diff --git a/HTML/Assets/ctat.min.js b/HTML/Assets/ctat.min.js
old mode 100644
new mode 100755
index 5640ef1..c604f31
--- a/HTML/Assets/ctat.min.js
+++ b/HTML/Assets/ctat.min.js
@@ -6,38 +6,40 @@
 
  Copyright (c) Jon Nylander
 */
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+function(b,a,e,c){b=b.firstChild;c=c.shadow&&c.lines||0;b&&a+c<b.childNodes.length&&(b=(b=(b=b.childNodes[a+c])&&b.firstChild)&&b.firstChild)&&(b.opacity=e)}}var m=["webkit","Moz","ms","O"],n={},p,v,q={lines:12,length:7,width:5,radius:10,scale:1,corners:1,color:"#000",opacity:.25,rotate:0,direction:1,speed:1,trail:100,fps:20,zIndex:2E9,className:"spinner",top:"50%",left:"50%",shadow:!1,hwaccel:!1,position:"absolute"};h.defaults={};b(h.prototype,{spin:function(b){this.stop();var e=this,d=e.opts,f=
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+this.el;b&&(clearTimeout(this.timeout),b.parentNode&&b.parentNode.removeChild(b),this.el=void 0);return this},lines:function(b,d){function h(b,e){return c(a(),{position:"absolute",width:d.scale*(d.length+d.width)+"px",height:d.scale*d.width+"px",background:b,boxShadow:e,transformOrigin:"left",transform:"rotate("+~~(360/d.lines*m+d.rotate)+"deg) translate("+d.scale*d.radius+"px,0)",borderRadius:(d.corners*d.scale*d.width>>1)+"px"})}for(var m=0,l=(d.lines-1)*(1-d.direction)/2,w;m<d.lines;m++)w=c(a(),
+{position:"absolute",top:1+~(d.scale*d.width/2)+"px",transform:d.hwaccel?"translate3d(0,0,0)":"",opacity:d.opacity,animation:p&&f(d.opacity,d.trail,l+m*d.direction,d.lines)+" "+1/d.speed+"s linear infinite"}),d.shadow&&g(w,c(h("#000","0 0 4px #000"),{top:"2px"})),g(b,g(w,h(e(d.color,m),"0 0 1px rgba(0,0,0,.1)")));return b},opacity:function(b,a,e){a<b.childNodes.length&&(b.childNodes[a].style.opacity=e)}});if("undefined"!==typeof document){v=function(){var b=a("style",{type:"text/css"});g(document.getElementsByTagName("head")[0],
+b);return b.sheet||b.styleSheet}();var u=c(a("group"),{behavior:"url(#default#VML)"});!d(u,"transform")&&u.adj?l():p=d(u,"animation")}return h});var CTATConfig={Options:{},addProperty:function(a,g,f,d){f=f||g[0];Object.defineProperty(CTATConfig,a,{enumerable:!0,configurable:!1,writable:!d,value:f.toLowerCase()});var c={};g.forEach(function(b){c[b]=b.toLowerCase();Object.defineProperty(CTATConfig,a+"_is_"+b,{enumerable:!1,writable:!1,value:function(){return CTATConfig[this.prop].toLowerCase()==this.val}.bind({prop:a,val:c[b]})})});CTATConfig.Options[a]=c}};CTATConfig.addProperty("platform",["CTAT","Google","Undefined"],"CTAT",!0);
 CTATConfig.addProperty("external",["Google","LTI","SCORM","None"],"None");CTATConfig.addProperty("parserType",["XML","JSON"],"XML");"undefined"!==typeof module&&(module.exports=CTATConfig);var CTATGlobals={tutorRunning:!1,Tab:{Tracker:1,Focus:null,previousFocus:null},NameSpace:{svg:"http://www.w3.org/2000/svg",xml:"http://www.w3.org/2000/xmlns/",xlink:"http://www.w3.org/1999/xlink",ev:"http://www.w3.org/2001/xml-events",mathml:"http://www.w3.org/1998/Math/MathML"},EncodedParams:{authenticity_token:"authenticity_token",info:"info",question_file:"question_file",skills:"skills"},CommDisabled:!1,orientation:"portrait",ignoreInterfaceDescriptions:!0},useDebugging;
-void 0===useDebugging&&(useDebugging=!1);var useDebuggingBasic;void 0===useDebuggingBasic&&(useDebuggingBasic=!1);var version="4.3.0",ctatcontainer="container",movieclips=[],canvasCalibrate=5,flashVars=null,mobileAPI=null,aVars=null;CTATGlobals.interfaceElement=null;var commMessageHandler=CTATGlobals.selectedTextInput=null,commLoggingLibrary=null,logHintSAI=null,nameTranslator=null,hints=[],hintIndex=0,caseInsensitive=!0,unordered=!0,lockWidget=!0,highlightRightSelection=!0;
-CTATGlobals.suppressStudentFeedback=!1;CTATGlobals.confirmDone=!1;var incompatibleBrowserMessage="Your browser does not support CTAT. Please update or replace your browser.";var CTATSandboxDriver={};function getSafeElementById(a){return document.getElementById(a)};var CTATGlobalFunctions={};function unhighlightall(a){if(CTATShellTools.component_descriptions){a=CTATShellTools.getAllComponents();for(var b=0;b<a.length;b++){var e=a[b];e.setHintHighlight&&e.setHintHighlight(!1,null)}}}CTATGlobalFunctions.stringToBoolean=function(a){switch(String(a).toLowerCase()){case "true":case "yes":case "1":return!0;case "false":case "no":case "0":case "":case null:return!1;default:return!!a}};
-CTATGlobalFunctions.isInstructorMode=function(){var a=flashVars?flashVars.getRawFlashVars():null;return a&&a.deliverymode?"delivery"==a.deliverymode?!1:!0:!1};CTATGlobalFunctions.getLoggingLibrary=function(a){null==commLoggingLibrary&&(commLoggingLibrary=new CTATLoggingLibrary(!0));return commLoggingLibrary};CTATGlobalFunctions.setPreviewMode=function(a,b){CTATGlobalFunctions.isCTATObject(a)?a.setPreviewMode(b):a.previewMode=b};
-CTATGlobalFunctions.setCenterTutor=function(a,b){CTATGlobalFunctions.isCTATObject(a)?a.setCenterTutor(b):a.centerTutor=b};CTATGlobalFunctions.setTutorWidth=function(a,b){CTATGlobalFunctions.isCTATObject(a)?a.setTutorWidth(b):a.width=b};CTATGlobalFunctions.setTutorHeight=function(a,b){CTATGlobalFunctions.isCTATObject(a)?a.setTutorHeight(b):a.height=b};CTATGlobalFunctions.setTutorDimensions=function(a,b,e){CTATGlobalFunctions.isCTATObject(a)?a.setTutorDimensions(b,e):(a.width=b,a.height=e)};
-CTATGlobalFunctions.setTutorValue=function(a,b,e){CTATGlobalFunctions.isCTATObject(a)?a.setTutorValue(b,e):a[b]=e};CTATGlobalFunctions.setCommunicationMode=function(a,b){CTATGlobalFunctions.isCTATObject(a)?a.setCommunicationMode(b):a.tutoring_service_communication=b};CTATGlobalFunctions.setRemoteSocketURL=function(a,b){CTATGlobalFunctions.isCTATObject(a)?a.setRemoteSocketURL(b):a.remoteSocketURL=b};
-CTATGlobalFunctions.setRemoteSocketPort=function(a,b){CTATGlobalFunctions.isCTATObject(a)?a.setRemoteSocketPort(b):a.remoteSocketPort=b};CTATGlobalFunctions.setProblemSummary=function(a){};CTATGlobalFunctions.isCTATObject=function(a){return"object"==typeof testConfig&&testConfig.getClassName?!0:!1};CTATGlobalFunctions.getCTATClassname=function(a){return"object"==typeof testConfig&&testConfig.getClassName?testConfig.getClassName():"object"};
+void 0===useDebugging&&(useDebugging=!1);var useDebuggingBasic;void 0===useDebuggingBasic&&(useDebuggingBasic=!1);var version="4.4.0",ctatcontainer="container",movieclips=[],canvasCalibrate=5,flashVars=null,mobileAPI=null,aVars=null;CTATGlobals.interfaceElement=null;var commMessageHandler=CTATGlobals.selectedTextInput=null,commLoggingLibrary=null,logHintSAI=null,nameTranslator=null,hints=[],hintIndex=0,caseInsensitive=!0,unordered=!0,lockWidget=!0,highlightRightSelection=!0;
+CTATGlobals.suppressStudentFeedback=!1;CTATGlobals.confirmDone=!1;var incompatibleBrowserMessage="Your browser does not support CTAT. Please update or replace your browser.";var CTATSandboxDriver={};function getSafeElementById(a){return document.getElementById(a)};var CTATGlobalFunctions={};function unhighlightall(a){if(CTATShellTools.component_descriptions){a=CTATShellTools.getAllComponents();for(var g=0;g<a.length;g++){var f=a[g];f.setHintHighlight&&f.setHintHighlight(!1,null)}}}CTATGlobalFunctions.stringToBoolean=function(a){switch(String(a).toLowerCase()){case "true":case "yes":case "1":return!0;case "false":case "no":case "0":case "":case null:return!1;default:return!!a}};
+CTATGlobalFunctions.isInstructorMode=function(){var a=flashVars?flashVars.getRawFlashVars():null;return a&&a.deliverymode?"delivery"==a.deliverymode?!1:!0:!1};CTATGlobalFunctions.getLoggingLibrary=function(a){null==commLoggingLibrary&&(commLoggingLibrary=new CTATLoggingLibrary(!0));return commLoggingLibrary};CTATGlobalFunctions.setPreviewMode=function(a,g){CTATGlobalFunctions.isCTATObject(a)?a.setPreviewMode(g):a.previewMode=g};
+CTATGlobalFunctions.setCenterTutor=function(a,g){CTATGlobalFunctions.isCTATObject(a)?a.setCenterTutor(g):a.centerTutor=g};CTATGlobalFunctions.setTutorWidth=function(a,g){CTATGlobalFunctions.isCTATObject(a)?a.setTutorWidth(g):a.width=g};CTATGlobalFunctions.setTutorHeight=function(a,g){CTATGlobalFunctions.isCTATObject(a)?a.setTutorHeight(g):a.height=g};CTATGlobalFunctions.setTutorDimensions=function(a,g,f){CTATGlobalFunctions.isCTATObject(a)?a.setTutorDimensions(g,f):(a.width=g,a.height=f)};
+CTATGlobalFunctions.setTutorValue=function(a,g,f){CTATGlobalFunctions.isCTATObject(a)?a.setTutorValue(g,f):a[g]=f};CTATGlobalFunctions.setCommunicationMode=function(a,g){CTATGlobalFunctions.isCTATObject(a)?a.setCommunicationMode(g):a.tutoring_service_communication=g};CTATGlobalFunctions.setRemoteSocketURL=function(a,g){CTATGlobalFunctions.isCTATObject(a)?a.setRemoteSocketURL(g):a.remoteSocketURL=g};
+CTATGlobalFunctions.setRemoteSocketPort=function(a,g){CTATGlobalFunctions.isCTATObject(a)?a.setRemoteSocketPort(g):a.remoteSocketPort=g};CTATGlobalFunctions.setProblemSummary=function(a){};CTATGlobalFunctions.isCTATObject=function(a){return"object"==typeof testConfig&&testConfig.getClassName?!0:!1};CTATGlobalFunctions.getCTATClassname=function(a){return"object"==typeof testConfig&&testConfig.getClassName?testConfig.getClassName():"object"};
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-function rgbToHex(a,b,e){return"#"+componentToHex(a)+componentToHex(b)+componentToHex(e)}function hexToRgb(a){return(a=/^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(a))?{r:parseInt(a[1],16),g:parseInt(a[2],16),b:parseInt(a[3],16)}:null}
-function parseQueryStringArgs(a){ctatdebug("parseQueryStringArgs ()");ctatdebug("Query String: "+a);var b="?"==a.charAt(0)?a.substring(1):a;a={};if(b)for(var b=b.split("&"),e=0;e<b.length;e++){var g=b[e].split("=");a[decodeURIComponent(g[0])]=decodeURIComponent(g[1].replace(/\+/g," "))}return a}
-function setOrientation(a){ctatdebug("setOrientation ("+a+")");switch(a){case -90:case 90:mobileAPI&&mobileAPI.processOrientationChange("landscape");break;default:mobileAPI&&mobileAPI.processOrientationChange("portrait")}}Object.hasOwnProperty("create")||(Object.create=function(){function a(){}return function(b){if(1!=arguments.length)throw Error("Object.create implementation only accepts one parameter.");a.prototype=b;return new a}}());
-function thisMovie(a){return-1!=navigator.appName.indexOf("Microsoft")?window[a]:document[a]}function introspect(a,b,e,g){e=e||"";"number"!==this.typeOf(g)&&(g=1);var d=this.typeOf(b);a=[e,a," ",d," :"].join("");if("object"===d){if(0<g){e=[e,"  "].join("");for(var c in b)d=this.introspect(c,b[c],e,g-1),a=[a,"\n",d].join("");return a}return[a," ..."].join("")}return"null"===d?[a," null"].join(""):[a," ",b].join("")}
-function findPointOfAttachment(a){ctatdebug("findPointOfAttachment ("+a+")");for(var b=0;b<movieclips.length;b++){var e=movieclips[b];ctatdebug("Examining: "+e.getName()+"...");if(!0===e.isRegistered(a))return e}return null}function findMovieClip(a){a=a.trim();ctatdebug("findMovieClip ("+a.trim()+")");for(var b=0;b<movieclips.length;b++){var e=movieclips[b];ctatdebug("Examining: "+e.getName()+"...");if(e.getName()==a)return e}return null}
-function colName(a,b){ctatdebug("colName ("+a+")");for(var e="";0<=a;)e=String.fromCharCode(a%26+97)+e,a=Math.floor(a/26)-1;!0===b&&e.toUpperCase();return e}function selectText(a){}function urldecode(a){return decodeURIComponent((""+a).replace(/\+/g,"%20"))}function detectIE(){var a=window.navigator.userAgent,b=a.indexOf("MSIE "),e=a.indexOf("Trident/");return 0<b?parseInt(a.substring(b+5,a.indexOf(".",b)),10):0<e?(b=a.indexOf("rv:"),parseInt(a.substring(b+3,a.indexOf(".",b)),10)):!1}
-function listProperties(a){ctatdebug("listProperties (l: "+a.length+")");for(var b in a)ctatdebug("["+b+"]")}function listPropertiesKV(a,b){ctatdebug("listPropertiesKV (size: "+a.length+")");if(1==b)for(var e=0;e<a.length;e++)ctatdebug("["+e+"]: "+a[e]);else for(e in a)ctatdebug("["+e+"]: "+a[e])}function listAllDivAttributes(a){ctatdebug("listAllDivAttributes ()");var b=0;a=a.attributes;for(var e=a.length;b<e;b++)pointer.ctatdebug("Attribute: "+a[b].nodeName+", with value: "+a[b].nodeValue)}
-var getBackgroundDimensions=function(a){ctatdebug("Using url: "+$(a).css("background-image"));var b=new Image;b.src=$(a).css("background-image").replace(/url\(|\)$|"/ig,"");return b.width+" "+b.height},getBackgroundWidth=function(a){ctatdebug("Using url: "+$(a).css("background-image"));var b=new Image;b.src=$(a).css("background-image").replace(/url\(|\)$|"/ig,"");return b.width},getBackgroundHeight=function(a){ctatdebug("Using url: "+$(a).css("background-image"));var b=new Image;b.src=$(a).css("background-image").replace(/url\(|\)$|"/ig,
-"");return b.height};function getIndicesOf(a,b,e){var g=0,d=a.length,c=[];e||(b=b.toLowerCase(),a=a.toLowerCase());for(;-1<(e=b.indexOf(a,g));)c.push(e),g=e+d;return c}CTATGlobalFunctions.formatColor=function(a){if(/^#[0-9a-f]{6}$/i.test(a))return a;var b=a.match(/rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)/i);if(null!==b)return rgbToHex(Number(b[1]),Number(b[2]),Number(b[3]));b=a.match(/^#?([0-9a-f]{0,6})$/i);if(null!==b){for(a=b[1];6>a.length;)a="0"+a;return"#"+a}return a};
-CTATGlobalFunctions.Gensym=function(){this.make_gensym=function(){var a="",b=0;return{set_prefix:function(b){a=String(b)},set_index:function(a){b=a},gensym:function(){var d=a+b;b+=1;return d}}};var a=this.make_gensym();a.set_index(2);var b=this.make_gensym();b.set_index(1);b.set_prefix("ctatdiv");return{z_index:a.gensym,div_id:b.gensym}};CTATGlobalFunctions.gensym=CTATGlobalFunctions.Gensym();var CTATBase=function(a,b){function e(a,c,b){null===a&&(a="unknownclass");null===c&&(c="nullinstance");return"["+a+":"+c+"] "+b}var g=a,d=b,c=this,f=!0;"undefined"!=CTATBase.DebuggingFilter[g]&&CTATBase.DebuggingFilter[g]&&(f=!1);this.getClassName=function(){return g};this.getClassname=function(){return g};this.setClassName=function(a){g=a};this.setName=function(a){d=a};this.getName=function(){return d};this.getUseDebugging=function(){return useDebugging};this.setUseDebugging=function(a){useDebugging=
-a};this.toHHMMSS=function(a){var c=parseInt(a,10);a=Math.floor(c/3600);var b=Math.floor((c-3600*a)/60),c=c-3600*a-60*b;10>a&&(a="0"+a);10>b&&(b="0"+b);10>c&&(c="0"+c);return a+":"+b+":"+c};this.ctatdebug=function(a){if(f){var b=a;useDebuggingBasic?c.ctatdebugInternal(b,"UnknownClass"):(null===a&&(b="No message provided"),useDebugging&&c.ctatdebugInternal(b,c.getClassName()))}};this.ctatdebugObject=function(a){var c=0,b;for(b in a)this.ctatdebug("("+c+")"+b+": "+a[b]),c++};this.ctatdebugInternal=function(a,
-b){var f=a;if(null===f||void 0===f)f="No message!";""===f&&(f="Empty message!");if(useDebuggingBasic)f=e("Unknown","undefined",f),CTATBase.customconsole||(CTATBase.customconsole=getSafeElementById("customconsole")),CTATBase.customconsole?(CTATBase.customconsole.innerHTML+=f+"<br>",CTATBase.customconsole.scrollTop=CTATBase.customconsole.scrollHeight):console.log(f);else{null===b&&(b="UndefinedClass");null===f&&(f="No message");f=e(b,c.getName(),f);try{console.trace(f)}catch(q){}"google"==CTATConfig.platform?
-Logger.log(f):(CTATBase.customconsole||(CTATBase.customconsole=getSafeElementById("customconsole")),null!==CTATBase.customconsole&&(CTATBase.customconsole.innerHTML+=f+"<br>",CTATBase.customconsole.scrollTop=CTATBase.customconsole.scrollHeight))}};this.ctatdebugObjectShallow=function(a){var b="",f;for(f in a)b+=f+", ";c.ctatdebugInternal("Object: "+b,"Global")};this.urldecode=function(a){return decodeURIComponent((a+"").replace(/\+/g,"%20"))};this.entitiesConvert=function(a){this.ctatdebug("entitiesConvert ()");
-return this.urldecode(unescape(a))};this.entitiesGenerate=function(a){return a}};function formatLogMessageGoogle(a,b,e){e=(new CTATBase(a,b)).htmlEncode(e);return"["+a+":"+b+"] "+e}function ctatdebug(a){(useDebugging||useDebuggingBasic)&&null!==a&&("google"==CTATConfig.platform?Logger.log(formatLogMessageGoogle("CTATTutor","tutor",a)):(ctatdebug.debugPointer||(ctatdebug.debugPointer=new CTATBase("CTATTutor","tutor")),ctatdebug.debugPointer.ctatdebug(a,"CTATTutor")))}
-Object.defineProperty(CTATBase,"DebuggingFilter",{enumerable:!1,configurable:!1,writable:!0,value:[]});"undefined"!==typeof module&&(module.exports=CTATBase);(function(){function a(a,e){e=e||{bubbles:!1,cancelable:!1,detail:void 0};var b=document.createEvent("CustomEvent");b.initCustomEvent(a,e.bubbles,e.cancelable,e.detail);return b}if("function"===typeof window.CustomEvent)return!1;a.prototype=window.Event.prototype;window.CustomEvent=a})();var CTATProblem=function(){CTATBase.call(this,"CTATProblem","problem");var a="",b="",e="tutor",g="",d="",c="notstarted";this.setState=function(a){c=a};this.getState=function(){return c};this.setLabel=function(c){a=c};this.getLabel=function(){return a};this.setDescription=function(a){b=a};this.getDescription=function(){return b};this.setTutorFlag=function(a){e=a};this.getTutorFlag=function(){return e};this.setProblemFile=function(a){g=a};this.getProblemFile=function(){return g};this.setStudentInterface=
-function(a){d=a};this.getStudentInterface=function(){return d}};CTATProblem.prototype=Object.create(CTATBase.prototype);CTATProblem.prototype.constructor=CTATProblem;var CTATProblemSet=function(){CTATBase.call(this,"CTATProblemSet","problemset");var a=this,b=[];this.addProblem=function(a){b.push(a)};this.getProblems=function(){return b};this.getProblemSize=function(){return b.length};this.getFirstProblem=function(){a.ctatdebug("getFirstProblem () problems.length "+b.length);return 0==b.length?null:b[0]}};CTATProblemSet.prototype=Object.create(CTATBase.prototype);CTATProblemSet.prototype.constructor=CTATProblemSet;var CTATXML=function(){CTATBase.call(this,"CTATXML","xmlparser");this.parse=function(a){return this.parseXML(a)};this.parseXML=function(a){this.ctatdebug("parseXML ()");var b=null;try{"undefined"!==typeof $?b=$.parseXML(a):"undefined"!==typeof XMLParser?b=(new XMLParser).parseFromString(a):this.ctatdebug("Bottoming out, no parser configured!")}catch(e){return null!=b?this.ctatdebug("JQuery could not process the provided XML: "+e.message+" ("+b.parseError.errorCode+") ("+b.parseError.reason+") ("+
-b.parseError.line+")"):this.ctatdebug("JQuery could not process the provided XML (xmlDoc==null): "+e.message),null}return null==b?(this.ctatdebug("Unspecified error parsing xml message. xmlDoc is null"),null):b.documentElement};this.getElementName=function(a){return a.nodeName};this.getElementValue=function(a){return a.nodeValue};this.getElementChildren=function(a){for(var b=[],e=0;e<a.childNodes.length;e++)1==a.childNodes[e].nodeType&&b.push(a.childNodes[e]);return b};this.getNodeTextValue=function(a){if(null==
-a)return"";if(null==a.childNodes)return a.nodeValue;if(0==a.childNodes.length)return"";for(var b=a.childNodes,e=0;e<b.length;e++){var g=b[e];if("value"==g.nodeName||"Value"==g.nodeName){if(1==g.childNodes.length)return g.childNodes[0].nodeValue;if(0==g.childNodes.length)break;else return g.childNodes[1].nodeValue}}return a.childNodes[0].nodeValue};this.getElementAttr=function(a,b){if(!a.attributes)return this.ctatdebug("Warning: Element "+a.nodeName+" does not have any attributes"),"";for(var e=0;e<
-a.attributes.length;e++)if(a.attributes[e].nodeName==b)return a.attributes[e].nodeValue;return""};this.listElementAttr=function(a){this.ctatdebug("Listing "+a.attributes.length+" attributes for element "+a.nodeName+" ...");for(var b=0;b<a.attributes.length;b++)this.ctatdebug(b+" name: "+a.attributes[b].nodeName+", value: "+a.attributes[b].nodeValue)};this.stringify=function(a){return this.xmlToString(a)};this.xmlToString=function(a){this.ctatdebug("xmlToString ()");return null==a?(this.ctatdebug("Error: xml data is null"),
-null):(new XMLSerializer).serializeToString(a)}};CTATXML.prototype=Object.create(CTATBase.prototype);CTATXML.prototype.constructor=CTATXML;"undefined"!==typeof module&&(module.exports=CTATXML);var CTATPackage=function(){CTATBase.call(this,"CTATPackage","packagemanager");var a=this,b=new CTATXML,e=new CTATProblemSet,g=[e];this.init=function(d){a.ctatdebug("init ()");if(null==d)a.ctatdebug("Error: document root to be parsed is null.");else{a.ctatdebug("Root name: "+b.getElementName(d));d=b.getElementChildren(d);for(var c=0;c<d.length;c++){var f=d[c],g=b.getElementName(f);a.ctatdebug("Examining element: "+b.getElementName(f));if("Problems"==g){a.ctatdebug("Processing Problems ...");for(var f=
-b.getElementChildren(f),m=0;m<f.length;m++){var l=f[m];a.ctatdebug("Problem ["+m+"] desc: "+b.getElementAttr(l,"description")+", interface: "+b.getElementAttr(l,"student_interface")+", brd: "+b.getElementAttr(l,"problem_file"));var q=new CTATProblem;q.setName(b.getElementAttr(l,"name"));q.setLabel(b.getElementAttr(l,"label"));q.setDescription(b.getElementAttr(l,"description"));q.setTutorFlag(b.getElementAttr(l,"tutor_flag"));q.setProblemFile(b.getElementAttr(l,"problem_file"));q.setStudentInterface(b.getElementAttr(l,
-"student_interface"));a.ctatdebug("Adding problem ...");e.addProblem(q)}}"ProblemSets"==g&&a.ctatdebug("Processing ProblemSets ...");"Assets"==g&&a.ctatdebug("Processing Assets ...")}}};this.getProblems=function(){return e};this.getProblemSets=function(){return g}};CTATPackage.prototype=Object.create(CTATBase.prototype);CTATPackage.prototype.constructor=CTATPackage;var CTATConnectionBase=function(a,b){CTATBase.call(this,"CTATConnectionBase","ctatconnection");var e=-1,g="",d="http";this.setURL=function(a){g=a};this.getURL=function(){return g};this.setID=function(a){e=a};this.getID=function(){return e};this.setSocketType=function(a){d=a};this.getSocketType=function(){return d}};CTATConnectionBase.prototype=Object.create(CTATBase.prototype);CTATConnectionBase.prototype.constructor=CTATConnectionBase;var CTATConnection=function(a){CTATConnectionBase.call(this,"CTATConnection");var b=null,e=null,g=!1,d=this,c="text/plain";d.setSocketType("http");this.setContentType=function(a){c=a};this.getContentType=function(){return c};this.setConsumed=function(a){g=a;d.ctatdebug("consumed: "+g)};this.getConsumed=function(){d.ctatdebug("consumed: "+g);return g};this.assignReceiveFunction=function(a){e.onreadystatechange=a};this.setData=function(a){b=a};this.getData=function(){return b};this.getHTTPObject=function(){return e};
-this.createHTTPObject=function(){d.ctatdebug("createHTTPObject ()");e=new XMLHttpRequest;if(window.XMLHttpRequest)d.ctatdebug("Creating regular XMLHttpRequest ..."),e=new XMLHttpRequest,e.overrideMimeType&&e.overrideMimeType("text/html");else if(d.ctatdebug("Trying alternative HTTP object creation ..."),window.ActiveXObject){d.ctatdebug("Detected window.ActiveXObject ...");try{d.ctatdebug("Creating Msxml2.XMLHTTP ..."),e=new ActiveXObject("Msxml2.XMLHTTP")}catch(f){try{d.ctatdebug("Creating Microsoft.XMLHTTP ..."),
-e=new ActiveXObject("Microsoft.XMLHTTP")}catch(h){alert("Error: Unable to create HTTP Request Object: "+h.message)}}}else alert("Internal error: an HTTP connection object could not be created")};this.init=function(){d.ctatdebug("init ()");if(null!==e){var b=flashVars?flashVars.getRawFlashVars():a,b=b.session_id?b.session_id:"dummySession";"dummySession"==b&&d.ctatdebug("Unable to find CTAT session information from environment, trying OLI ...");try{e.setRequestHeader("Content-type",c),e.setRequestHeader("ctatsession",
-b)}catch(h){alert("HTTP object creation error: "+h.message)}}else alert("Internal error: http object is null right after creation");d.ctatdebug("init () done")};this.send=function(){d.ctatdebug("send ()");d.getHTTPObject().onerror=function(){d.ctatdebug("Networking error!")};try{d.getHTTPObject().open("POST",d.getURL(),!0)}catch(f){d.ctatdebug("Error in newConnection.httpObject.open: "+f.message);return}d.init();try{b?d.getHTTPObject().send(b):d.getHTTPObject().send()}catch(f){this.ctatdebug("Error in newConnection.httpObject.send: "+
-f.message)}};d.createHTTPObject()};CTATConnection.prototype=Object.create(CTATConnectionBase.prototype);CTATConnection.prototype.constructor=CTATConnection;var CTATWSConnection=function(a){CTATConnectionBase.call(this,"CTATWSConnection");var b="",e=!1,g=this,d=null,c=[],f=!1,h=0,m=0,l=null,q=null;g.setSocketType("ws");this.setConsumed=function(a){e=a;g.ctatdebug("consumed: "+e)};this.getConsumed=function(){g.ctatdebug("consumed: "+e);return e};this.assignReceiveFunction=function(a){l=a};this.assignCloseFunction=function(a){q=a};this.setData=function(a){b=a};this.getData=function(){return b};this.init=function(){ctatdebug("init ("+g.getURL()+"); websocket "+
-d);null==d&&(d=new WebSocket(g.getURL()),d.addEventListener("open",function(a){ctatdebug("STATUS: open");f=!0;ctatdebug("Connection open, flushing outgoing queue ...");h=(new Date).getTime();if(0<c.length){for(a=0;a<c.length;a++)d.send(c[a]);c=[]}}),d.addEventListener("message",function(a){m=(new Date).getTime();ctatdebug("STATUS: message after "+(m-h)+" ms");ctatdebug("Received: "+a.data);l?l(a.data):ctatdebug("Error: no processing function provided")}),d.addEventListener("close",function(a){ctatdebug("STATUS: close; "+
-(a?"code "+a.code+", reason "+a.reason:"no event"));f=!1;d.close(1E3,a?a.reason?a.reason:"received close code "+a.code:"no close event received");q&&q(a)}),d.addEventListener("error",function(a){ctatdebug("STATUS: error; "+(a?a.type:"no event"));f=!1;d.close(1E3,"client closing in response to error")}),ctatdebug("init () done"))};this.send=function(){ctatdebug("send ()");g.init();!1===f?(ctatdebug("Connection not ready yet, storing ..."),c.push(b)):(ctatdebug("Connection ready, sending data ..."),
-h=(new Date).getTime(),d.send(b))};this.getWebSocket=function(){return d};this.close=function(a,c){f=!1;q=c||q;d.close(1E3,a||"no reason")}};CTATWSConnection.prototype=Object.create(CTATConnectionBase.prototype);CTATWSConnection.prototype.constructor=CTATWSConnection;var CTATCanvasComponent=function(a){var b=this,e=[];this.addShape=function(a){e.push(a)};this.hideShape=function(a){for(var b=0;b<e.length;b++)if(e[b].getName()==a){e[b].modifyCanvasCSS("visibility","hidden");break}};this.showShape=function(a){for(var b=0;b<e.length;b++)if(e[b].getName()==a){e[b].modifyCanvasCSS("visibility","visible");break}};this.hideComponent=function(){for(var a=0;a<e.length;a++)e[a].modifyCanvasCSS("visibility","hidden")};this.showComponent=function(){for(var a=0;a<e.length;a++)e[a].modifyCanvasCSS("visibility",
-"visible")};this.moveShape=function(a,b,c){for(var f=0;f<e.length;f++)if(e[f].getName()==a){e[f].modifyCanvasCSS("left",b+"px");e[f].modifyCanvasCSS("top",c+"px");break}};this.moveComponent=function(a,b){for(var c=0;c<e.length;c++)e[c].modifyCanvasCSS("left",a+"px"),e[c].modifyCanvasCSS("top",b+"px")};this.removeShape=function(a){for(var b=0,c=0;c<e.length;c++)if(e[c].getName()==a){b=c;break}e[b].detatchCanvas();e.splice(b,1)};this.removeComponent=function(){for(;0<e.length;)b.removeShape(e[0].getName())}};var CTATDefaultLanguagePack={HORIZONTAL:"LR",VERTICAL:"TB",LOADING:"Please wait while the tutor is being loaded",NEXTPROBLEM:"Retrieving the Next Problem...",CONGRATULATIONS_YOU_ARE_DONE:"Congratulations, you are done with this problem.",SURE_YOU_ARE_DONE:"Are you sure you are done?",TUTORDISCONNECTED:"The tutor has disconnected. Please refresh the page.",OUTOFORDER:"You need to do other steps first, before doing the step you just worked on. You might request a hint for more help.",DONE:"Done",HINT:"Hint",
-NEXT:"Next",PREVIOUS:"Previous",HIGHLIGHTEDSTEP:"Instead of the step you are working on, please work on the highlighted step.",NOTDONE:"I'm sorry, but you are not done yet. Please continue working.",AUTHORPLEASECLOSE:"Authoring Tools disconnected. Please close this page.",ERROR_502:"Error contacting the server, please refresh the page and try again (HTTP status 502: gateway response).",ERROR_CONN_TS:"Connection refused by tutoring service, please check your server or contact an administrator.",ERROR_CONN_LS:"Connection refused by the logging server, please check your connection or contact an administrator.",
-AWAITING_OTHER_COLLABORATORS:"Waiting for other team members..."},CTATLanguageManager=function(){CTATBase.call(this,"CTATLanguageManager","theLanguagePack");var a=this;this.getString=function(b){a.ctatdebug("getString ("+b+") -> "+typeof CTATLanguagePack);if("undefined"!==typeof CTATLanguagePack){if(CTATLanguagePack[b])return CTATLanguagePack[b]}else a.ctatdebug("No custom language pack defined, using default...");return CTATDefaultLanguagePack[b]};this.filterString=function(b){a.ctatdebug("filterString ("+
-b+") -> "+typeof CTATLanguagePack);if("undefined"!==typeof CTATLanguagePack){if(CTATLanguagePack[b])return a.ctatdebug("Found tag in provided language pack, returning: "+CTATLanguagePack[b]),CTATLanguagePack[b]}else a.ctatdebug("No custom language pack defined, using default...");return"undefined"!==typeof CTATDefaultLanguagePack&&CTATDefaultLanguagePack[b]?(a.ctatdebug("Found tag in default language pack, returning: "+CTATDefaultLanguagePack[b]),CTATDefaultLanguagePack[b]):b}};
-CTATLanguageManager.prototype=Object.create(CTATBase.prototype);CTATLanguageManager.prototype.constructor=CTATLanguageManager;CTATLanguageManager.theSingleton=new CTATLanguageManager;var scrimIsUp=!1,errorScrim=!1,waitScrim=!0,warnScrim=!1,connectionScrim=!1,authorTimeSet=!0,inAuthorTime=!0,CTATScrim=function(){function a(){warnScrim=!1;n.scrimDown()}function b(a){"google"!=CTATConfig.platform&&(!0===scrimIsUp&&n.scrimDownForced(),n.ctatdebug("errScrimUp ("+a+")"),!0===errorScrim?!0===f&&(f=!1,getSafeElementById(ctatcontainer).removeChild(r)):!0===warnScrim&&(f=!0),n.scrimUp(a))}function e(a,c){n.ctatdebug("makeHTMLButton ()");var b=document.createElement("input");b.type="button";
-b.value=c;a?(n.ctatdebug("clickHandle!=null"),b.onclick=a):(n.ctatdebug("clickHandle==null"),b.onclick=n.defaultClickHandler);b.id=c;b.setAttribute("class","scrimButton");return b}CTATBase.call(this,"CTATScrim","__undefined__");var g="",d=!1,c=!1,f=!1,h=null,m=null,l=new CTATCanvasComponent("CTAT Scrim"),q=[],p=null,u=null,r=null,w=null,n=this;this.scrimUp=function(b){if("google"!=CTATConfig.platform)if(n.ctatdebug("scrimUp ()"),b=CTATGlobals.languageManager.filterString(b),n.ctatdebug("Message: "+
-b),!0===scrimIsUp?(g=!0===waitScrim?b:g+(" \n "+b),l.removeComponent(),n.removeHTMLElements()):(g=b,scrimIsUp=!0),n.ctatdebug("scrimUp() to call drawScrim() scrimIsUp "+scrimIsUp),n.ctatdebug("drawScrim ()"),"google"==CTATConfig.platform)n.ctatdebug("This is not available for now when we're in this environment");else if($('<div id="scrim" class="ctatpageoverlay"></div>').appendTo("body"),$("#scrim").css("z-index",1E3),"google"!=CTATConfig.platform&&($("#scrimpanel").empty(),$("#scrim").append('<div class="css3-windows-7"><div class="fenster"><h4 class="titel">CTAT Info Panel</h4><div id="scrimpanel" class="inhalt"><br>'+
-g+"<br><br></div></div></div>"),!0===f&&(waitScrim=!1,r=e(a,"close"),$(r).appendTo("#scrimpanel")),!0===d&&(waitScrim=!1,p=e(h,"yes"),$(p).appendTo("#scrimpanel"),d=!1),!0===c&&(waitScrim=!1,u=e(m,"no"),$(u).appendTo("#scrimpanel"),c=!1),!0===waitScrim)){n.ctatdebug("Adding spinner ...");$("#scrimpanel").append("<br>");b=$('<div id="scrim_spin">');b.css("width","100%");b.css("position","relative");$("#scrimpanel").append(b);try{var w=(new Spinner({className:"scrim_spinner"})).spin();$("#scrim_spin").append(w.el)}catch(y){(y instanceof
-ReferenceError||y instanceof TypeError)&&n.ctatdebug('Spinner is not available, please include it in the build or add <script src="node_modules/spin.js/spin.min.js">\x3c/script> to the html file.',y,typeof y)}}};this.waitScrimUp=function(){n.ctatdebug("waitScrimUp () CTATConfig.platform "+CTATConfig.platform+", scrimIsUp "+scrimIsUp);"google"!=CTATConfig.platform&&(!0===scrimIsUp&&n.scrimDownForced(),waitScrim=!0,n.scrimUp(CTATGlobals.languageManager.getString("LOADING")),n.ctatdebug("return from waitScrimUp(): scrimIsUp "+
-scrimIsUp))};this.nextProblemScrimUp=function(){"google"!=CTATConfig.platform&&(!0===scrimIsUp&&n.scrimDownForced(),n.ctatdebug("nextProblemScrimUp ()"),n.scrimUp(CTATGlobals.languageManager.getString("NEXTPROBLEM")))};this.OKScrimUp=function(a,b){"google"!=CTATConfig.platform&&(!0===scrimIsUp&&n.scrimDownForced(),n.ctatdebug("OKScrimUp ("+a+","+b+")"),waitScrim=c=d=f=warnScrim=errorScrim=!1,n.scrimUp(a),w=e(b,"OK"),$(w).appendTo("#scrimpanel"))};this.confirmScrimUp=function(a,b,f){"google"!=CTATConfig.platform&&
-(!0===scrimIsUp&&n.scrimDownForced(),n.ctatdebug("confirmScrimUp ("+a+","+b+","+f+")"),c=d=!0,m=f,h=b,n.scrimUp(a))};this.errorScrimUp=function(a){"google"!=CTATConfig.platform&&(!0===scrimIsUp&&n.scrimDownForced(),!1===authorTimeSet?(n.ctatdebug("we don't know if we're in authorTime or not yet so we're just going to hold onto the messasge"),q.push("ERROR: "+a),errorScrim=!0):!1===inAuthorTime?n.ctatdebug("We're not in authorTime, student's don't need to see our design mistakes"):(errorScrim=!0,b("ERROR: "+
-a)))};this.warningScrimUp=function(a){"google"!=CTATConfig.platform&&(!0===scrimIsUp&&n.scrimDownForced(),!1===authorTimeSet?(n.ctatdebug("we don't know if we're in authorTime or not yet so we're just going to hold onto the messasge"),q.push("WARNING: "+a),warnScrim=!0):!1===inAuthorTime?n.ctatdebug("We're not in authorTime, student's don't need to see our design mistakes"):(warnScrim=!0,b("WARNING: "+a)))};this.handleTSDisconnect=function(){connectionScrim=!0;n.scrimUp(CTATGlobals.languageManager.getString("TUTORDISCONNECTED"))};
-this.removeHTMLElements=function(){};this.scrimDown=function(){"google"!=CTATConfig.platform&&(!1===scrimIsUp?n.ctatdebug("The scrim isn't up, returning"):!0===errorScrim?n.ctatdebug("The scrim is up to describe errors to the user, leave it up!"):!0===warnScrim?n.ctatdebug("The scrim is up to display warnings to the user, leave it up!"):!0===connectionScrim?n.ctatdebug("The scrim is up for a connection issue leave it up!"):n.scrimDownForced())};this.scrimDownForced=function(){n.ctatdebug("enter scrimDownForced() scrimIsUp "+
-scrimIsUp);$("#scrim").remove();l.removeComponent();n.removeHTMLElements();waitScrim=scrimIsUp=!1;g="";n.ctatdebug("exit scrimDownForced() scrimIsUp "+scrimIsUp)};this.defaultClickHandler=function(){n.ctatdebug("defaultClickHandler ()");n.scrimDown()};this.setInAuthorTime=function(a){n.ctatdebug("setting inAuthorTime = "+a);authorTimeSet=!0;inAuthorTime=a;if(!a)warnScrim=errorScrim=!1,f&&null.removeChild(r);else if(errorScrim||warnScrim)for(var c in q)b(c)};this.getInAuthorTime=function(){return inAuthorTime}};
+function rgbToHex(a,g,f){return"#"+componentToHex(a)+componentToHex(g)+componentToHex(f)}function hexToRgb(a){return(a=/^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(a))?{r:parseInt(a[1],16),g:parseInt(a[2],16),b:parseInt(a[3],16)}:null}
+function parseQueryStringArgs(a){ctatdebug("parseQueryStringArgs ()");ctatdebug("Query String: "+a);var g="?"==a.charAt(0)?a.substring(1):a;a={};if(g)for(var g=g.split("&"),f=0;f<g.length;f++){var d=g[f].split("=");a[decodeURIComponent(d[0])]=decodeURIComponent(d[1].replace(/\+/g," "))}return a}
+function setOrientation(a){ctatdebug("setOrientation ("+a+")");switch(a){case -90:case 90:mobileAPI&&mobileAPI.processOrientationChange("landscape");break;default:mobileAPI&&mobileAPI.processOrientationChange("portrait")}}Object.hasOwnProperty("create")||(Object.create=function(){function a(){}return function(g){if(1!=arguments.length)throw Error("Object.create implementation only accepts one parameter.");a.prototype=g;return new a}}());
+function thisMovie(a){return-1!=navigator.appName.indexOf("Microsoft")?window[a]:document[a]}function introspect(a,g,f,d){f=f||"";"number"!==this.typeOf(d)&&(d=1);var c=this.typeOf(g);a=[f,a," ",c," :"].join("");if("object"===c){if(0<d){f=[f,"  "].join("");for(var b in g)c=this.introspect(b,g[b],f,d-1),a=[a,"\n",c].join("");return a}return[a," ..."].join("")}return"null"===c?[a," null"].join(""):[a," ",g].join("")}
+function findPointOfAttachment(a){ctatdebug("findPointOfAttachment ("+a+")");for(var g=0;g<movieclips.length;g++){var f=movieclips[g];ctatdebug("Examining: "+f.getName()+"...");if(!0===f.isRegistered(a))return f}return null}function findMovieClip(a){a=a.trim();ctatdebug("findMovieClip ("+a.trim()+")");for(var g=0;g<movieclips.length;g++){var f=movieclips[g];ctatdebug("Examining: "+f.getName()+"...");if(f.getName()==a)return f}return null}
+function colName(a,g){ctatdebug("colName ("+a+")");for(var f="";0<=a;)f=String.fromCharCode(a%26+97)+f,a=Math.floor(a/26)-1;!0===g&&f.toUpperCase();return f}function selectText(a){}function urldecode(a){return decodeURIComponent((""+a).replace(/\+/g,"%20"))}function detectIE(){var a=window.navigator.userAgent,g=a.indexOf("MSIE "),f=a.indexOf("Trident/");return 0<g?parseInt(a.substring(g+5,a.indexOf(".",g)),10):0<f?(g=a.indexOf("rv:"),parseInt(a.substring(g+3,a.indexOf(".",g)),10)):!1}
+function listProperties(a){ctatdebug("listProperties (l: "+a.length+")");for(var g in a)ctatdebug("["+g+"]")}function listPropertiesKV(a,g){ctatdebug("listPropertiesKV (size: "+a.length+")");if(1==g)for(var f=0;f<a.length;f++)ctatdebug("["+f+"]: "+a[f]);else for(f in a)ctatdebug("["+f+"]: "+a[f])}function listAllDivAttributes(a){ctatdebug("listAllDivAttributes ()");var g=0;a=a.attributes;for(var f=a.length;g<f;g++)pointer.ctatdebug("Attribute: "+a[g].nodeName+", with value: "+a[g].nodeValue)}
+var getBackgroundDimensions=function(a){ctatdebug("Using url: "+$(a).css("background-image"));var g=new Image;g.src=$(a).css("background-image").replace(/url\(|\)$|"/ig,"");return g.width+" "+g.height},getBackgroundWidth=function(a){ctatdebug("Using url: "+$(a).css("background-image"));var g=new Image;g.src=$(a).css("background-image").replace(/url\(|\)$|"/ig,"");return g.width},getBackgroundHeight=function(a){ctatdebug("Using url: "+$(a).css("background-image"));var g=new Image;g.src=$(a).css("background-image").replace(/url\(|\)$|"/ig,
+"");return g.height};function getIndicesOf(a,g,f){var d=0,c=a.length,b=[];f||(g=g.toLowerCase(),a=a.toLowerCase());for(;-1<(f=g.indexOf(a,d));)b.push(f),d=f+c;return b}CTATGlobalFunctions.formatColor=function(a){if(/^#[0-9a-f]{6}$/i.test(a))return a;var g=a.match(/rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)/i);if(null!==g)return rgbToHex(Number(g[1]),Number(g[2]),Number(g[3]));g=a.match(/^#?([0-9a-f]{0,6})$/i);if(null!==g){for(a=g[1];6>a.length;)a="0"+a;return"#"+a}return a};
+CTATGlobalFunctions.Gensym=function(){this.make_gensym=function(){var a="",d=0;return{set_prefix:function(c){a=String(c)},set_index:function(a){d=a},gensym:function(){var c=a+d;d+=1;return c}}};var a=this.make_gensym();a.set_index(2);var g=this.make_gensym();g.set_index(1);g.set_prefix("ctatdiv");return{z_index:a.gensym,div_id:g.gensym}};CTATGlobalFunctions.gensym=CTATGlobalFunctions.Gensym();var CTATBase=function(a,g){function f(b,a,e){null===b&&(b="unknownclass");null===a&&(a="nullinstance");return"["+b+":"+a+"] "+e}var d=a,c=g,b=this,e=!0;"undefined"!=CTATBase.DebuggingFilter[d]&&CTATBase.DebuggingFilter[d]&&(e=!1);this.getClassName=function(){return d};this.getClassname=function(){return d};this.setClassName=function(b){d=b};this.setName=function(b){c=b};this.getName=function(){return c};this.getUseDebugging=function(){return useDebugging};this.setUseDebugging=function(b){useDebugging=
+b};this.toHHMMSS=function(b){var a=parseInt(b,10);b=Math.floor(a/3600);var e=Math.floor((a-3600*b)/60),a=a-3600*b-60*e;10>b&&(b="0"+b);10>e&&(e="0"+e);10>a&&(a="0"+a);return b+":"+e+":"+a};this.ctatdebug=function(a){if(e){var c=a;useDebuggingBasic?b.ctatdebugInternal(c,"UnknownClass"):(null===a&&(c="No message provided"),useDebugging&&b.ctatdebugInternal(c,b.getClassName()))}};this.ctatdebugObject=function(b){var a=0,e;for(e in b)this.ctatdebug("("+a+")"+e+": "+b[e]),a++};this.ctatdebugInternal=function(a,
+e){var c=a;if(null===c||void 0===c)c="No message!";""===c&&(c="Empty message!");if(useDebuggingBasic)c=f("Unknown","undefined",c),CTATBase.customconsole||(CTATBase.customconsole=getSafeElementById("customconsole")),CTATBase.customconsole?(CTATBase.customconsole.innerHTML+=c+"<br>",CTATBase.customconsole.scrollTop=CTATBase.customconsole.scrollHeight):console.log(c);else{null===e&&(e="UndefinedClass");null===c&&(c="No message");c=f(e,b.getName(),c);try{console.trace(c)}catch(n){}"google"==CTATConfig.platform?
+Logger.log(c):(CTATBase.customconsole||(CTATBase.customconsole=getSafeElementById("customconsole")),null!==CTATBase.customconsole&&(CTATBase.customconsole.innerHTML+=c+"<br>",CTATBase.customconsole.scrollTop=CTATBase.customconsole.scrollHeight))}};this.ctatdebugObjectShallow=function(a){var e="",c;for(c in a)e+=c+", ";b.ctatdebugInternal("Object: "+e,"Global")};this.urldecode=function(b){return decodeURIComponent((b+"").replace(/\+/g,"%20"))};this.entitiesConvert=function(b){this.ctatdebug("entitiesConvert ()");
+return this.urldecode(unescape(b))};this.entitiesGenerate=function(b){return b}};function formatLogMessageGoogle(a,g,f){f=(new CTATBase(a,g)).htmlEncode(f);return"["+a+":"+g+"] "+f}function ctatdebug(a){(useDebugging||useDebuggingBasic)&&null!==a&&("google"==CTATConfig.platform?Logger.log(formatLogMessageGoogle("CTATTutor","tutor",a)):(ctatdebug.debugPointer||(ctatdebug.debugPointer=new CTATBase("CTATTutor","tutor")),ctatdebug.debugPointer.ctatdebug(a,"CTATTutor")))}
+Object.defineProperty(CTATBase,"DebuggingFilter",{enumerable:!1,configurable:!1,writable:!0,value:[]});"undefined"!==typeof module&&(module.exports=CTATBase);var CTATProblem=function(){CTATBase.call(this,"CTATProblem","problem");var a="",g="",f="tutor",d="",c="",b="",e="notstarted";this.setState=function(b){e=b};this.getState=function(){return e};this.setLabel=function(b){a=b};this.getLabel=function(){return a};this.setDescription=function(b){g=b};this.getDescription=function(){return g};this.setURLPrefix=function(a){b=a};this.getURLPrefix=function(){return b};this.setTutorFlag=function(b){f=b};this.getTutorFlag=function(){return f};this.setProblemFile=
+function(b){d=b};this.getProblemFile=function(){return b+d};this.setStudentInterface=function(b){c=b};this.getStudentInterface=function(){return b+c}};CTATProblem.prototype=Object.create(CTATBase.prototype);CTATProblem.prototype.constructor=CTATProblem;CTATProblem.prototype.toString=function(){return this.getProblemFile()+" on "+this.getStudentInterface()};var CTATProblemSet=function(){CTATBase.call(this,"CTATProblemSet","problemset");var a=this,g=[];this.addProblem=function(a){g.push(a)};this.getProblems=function(){return g};this.getProblemSize=function(){return g.length};this.getFirstProblem=function(){a.ctatdebug("getFirstProblem () problems.length "+g.length);return 0==g.length?null:g[0]}};CTATProblemSet.prototype=Object.create(CTATBase.prototype);CTATProblemSet.prototype.constructor=CTATProblemSet;var CTATXML=function(){CTATBase.call(this,"CTATXML","xmlparser");this.parse=function(a){return this.parseXML(a)};this.parseXML=function(a){this.ctatdebug("parseXML ()");var g=null;try{"undefined"!==typeof $?g=$.parseXML(a):"undefined"!==typeof XMLParser?g=(new XMLParser).parseFromString(a):this.ctatdebug("Bottoming out, no parser configured!")}catch(f){return null!=g?this.ctatdebug("JQuery could not process the provided XML: "+f.message+" ("+g.parseError.errorCode+") ("+g.parseError.reason+") ("+
+g.parseError.line+")"):this.ctatdebug("JQuery could not process the provided XML (xmlDoc==null): "+f.message),null}return null==g?(this.ctatdebug("Unspecified error parsing xml message. xmlDoc is null"),null):g.documentElement};this.getElementName=function(a){return a.nodeName};this.getElementValue=function(a){return a.nodeValue};this.getElementChildren=function(a){for(var g=[],f=0;f<a.childNodes.length;f++)1==a.childNodes[f].nodeType&&g.push(a.childNodes[f]);return g};this.getNodeTextValue=function(a){if(null==
+a)return"";if(null==a.childNodes)return a.nodeValue;if(0==a.childNodes.length)return"";for(var g=a.childNodes,f=0;f<g.length;f++){var d=g[f];if("value"==d.nodeName||"Value"==d.nodeName){if(1==d.childNodes.length)return d.childNodes[0].nodeValue;if(0==d.childNodes.length)break;else return d.childNodes[1].nodeValue}}return a.childNodes[0].nodeValue};this.getElementAttr=function(a,g){if(!a.attributes)return this.ctatdebug("Warning: Element "+a.nodeName+" does not have any attributes"),"";for(var f=0;f<
+a.attributes.length;f++)if(a.attributes[f].nodeName==g)return a.attributes[f].nodeValue;return""};this.listElementAttr=function(a){this.ctatdebug("Listing "+a.attributes.length+" attributes for element "+a.nodeName+" ...");for(var g=0;g<a.attributes.length;g++)this.ctatdebug(g+" name: "+a.attributes[g].nodeName+", value: "+a.attributes[g].nodeValue)};this.stringify=function(a){return this.xmlToString(a)};this.xmlToString=function(a){this.ctatdebug("xmlToString ()");return null==a?(this.ctatdebug("Error: xml data is null"),
+null):(new XMLSerializer).serializeToString(a)}};CTATXML.prototype=Object.create(CTATBase.prototype);CTATXML.prototype.constructor=CTATXML;"undefined"!==typeof module&&(module.exports=CTATXML);var CTATPackage=function(){CTATBase.call(this,"CTATPackage","packagemanager");var a=this,g=new CTATXML,f="",d=new CTATProblemSet,c=[d];this.init=function(b){a.ctatdebug("init ()");if(null==b)a.ctatdebug("Error: document root to be parsed is null.");else{a.ctatdebug("Root name: "+g.getElementName(b));b=g.getElementChildren(b);for(var e=0;e<b.length;e++){var c=b[e],d=g.getElementName(c);a.ctatdebug("Examining element: "+g.getElementName(c));if("Problems"==d){a.ctatdebug("Processing Problems ...");for(var c=
+g.getElementChildren(c),f=0;f<c.length;f++){var n=c[f];a.ctatdebug("Problem ["+f+"] desc: "+g.getElementAttr(n,"description")+", interface: "+g.getElementAttr(n,"student_interface")+", brd: "+g.getElementAttr(n,"problem_file"));a.addProblem(g.getElementAttr(n,"problem_file"),g.getElementAttr(n,"student_interface"),g.getElementAttr(n,"name"),g.getElementAttr(n,"label"),g.getElementAttr(n,"description")).setTutorFlag(g.getElementAttr(n,"tutor_flag"))}}"ProblemSets"==d&&a.ctatdebug("Processing ProblemSets ...");
+"Assets"==d&&a.ctatdebug("Processing Assets ...")}}};this.addProblem=function(b,e,c,d,g){var h=new CTATProblem;h.setProblemFile(b);h.setStudentInterface(e);h.setName(c?c:b);h.setLabel(d?d:b);h.setDescription(g?g:b);h.setURLPrefix(f);a.ctatdebug("Adding problem ...");a.getProblemSets()[0].addProblem(h);return h};this.setURLPrefix=function(b){f=b};this.getURLPrefix=function(){return f};this.getProblems=function(){return d};this.getProblemSets=function(){return c}};CTATPackage.prototype=Object.create(CTATBase.prototype);
+CTATPackage.prototype.constructor=CTATPackage;var CTATConnectionBase=function(a,g){CTATBase.call(this,"CTATConnectionBase","ctatconnection");var f=-1,d="",c="http";this.setURL=function(b){d=b};this.getURL=function(){return d};this.setID=function(b){f=b};this.getID=function(){return f};this.setSocketType=function(b){c=b};this.getSocketType=function(){return c}};CTATConnectionBase.prototype=Object.create(CTATBase.prototype);CTATConnectionBase.prototype.constructor=CTATConnectionBase;var CTATConnection=function(a){function g(){e.ctatdebug("init ()");var b=flashVars?flashVars.getRawFlashVars():f?f:{},b=b.session_id?b.session_id:"dummySession";if(null!==d){"dummySession"==b&&e.ctatdebug("Unable to find CTAT session information from environment, trying OLI ...");try{d.setRequestHeader("Content-type",c.contentType),d.setRequestHeader("ctatsession",b)}catch(m){alert("HTTP object creation error: "+m.message)}}else"undefined"==typeof $?alert("Internal error: http object is null right after creation"):
+c.headers.ctatsession=b;e.ctatdebug("init () done")}CTATConnectionBase.call(this,"CTATConnection");var f=a,d=null,c={contentType:"text/plain",data:null,processData:!1,method:"POST",mimeType:"text/html",headers:{}},b=!1,e=this,h=null;e.setSocketType("http");this.setContentType=function(b){c.contentType=b};this.getContentType=function(){return c.contentType};this.setConsumed=function(a){b=a;e.ctatdebug("consumed: "+b)};this.getConsumed=function(){e.ctatdebug("consumed: "+b);return b};this.assignReceiveFunction=
+function(b){h=b;d&&"undefined"!=typeof d.onreadystatechange&&(d.onreadystatechange=b)};this.assignFailFunction=function(b){c.error=b;d&&"function"==typeof d.error&&d.error(b)};this.setData=function(b){c.data=b};this.getData=function(){return c.data};this.getHTTPObject=function(){return d};this.getMethod=function(){return c.method};this.setMethod=function(b){c.method=b};this.send=function(){e.ctatdebug("send ()");var b=e.getHTTPObject(),a=function(){e.ctatdebug("Networking error!")};b&&(b.onerror=
+a);try{b&&b.open(e.getMethod(),e.getURL(),!0)}catch(n){e.ctatdebug("Error in newConnection.httpObject.open: "+n.message);return}g();try{"undefined"!=typeof $?d=b=$.ajax(e.getURL(),c).done(h).fail(a):c.data?b.send(c.data):b.send()}catch(n){this.ctatdebug("Error in newConnection.httpObject.send: "+n.message)}};this.then=function(b,a){var c=d&&"function"==typeof d.then;e.ctatdebug("CTATConnection.then() supported "+c+", done & fail:\n  "+b+",\n  "+a);return c?d.then(b,a):{then:function(){console.log("CTATConnection.then() not supported")}}};
+e.ctatdebug("createHTTPObject ()");d=new XMLHttpRequest;if("undefined"!=typeof $)d=null;else if(window.XMLHttpRequest)e.ctatdebug("Creating regular XMLHttpRequest ..."),d=new XMLHttpRequest,d.overrideMimeType&&d.overrideMimeType("text/html");else if(e.ctatdebug("Trying alternative HTTP object creation ..."),window.ActiveXObject){e.ctatdebug("Detected window.ActiveXObject ...");try{e.ctatdebug("Creating Msxml2.XMLHTTP ..."),d=new ActiveXObject("Msxml2.XMLHTTP")}catch(l){try{e.ctatdebug("Creating Microsoft.XMLHTTP ..."),
+d=new ActiveXObject("Microsoft.XMLHTTP")}catch(m){alert("Error: Unable to create HTTP Request Object: "+m.message)}}}else alert("Internal error: an HTTP connection object could not be created")};CTATConnection.prototype=Object.create(CTATConnectionBase.prototype);CTATConnection.prototype.constructor=CTATConnection;var CTATWSConnection=function(a){CTATConnectionBase.call(this,"CTATWSConnection");var g="",f=!1,d=this,c=null,b=[],e=!1,h=0,l=0,m=null,n=null;d.setSocketType("ws");this.setConsumed=function(b){f=b;d.ctatdebug("consumed: "+f)};this.getConsumed=function(){d.ctatdebug("consumed: "+f);return f};this.assignReceiveFunction=function(b){m=b};this.assignCloseFunction=function(b){n=b};this.setData=function(b){g=b};this.getData=function(){return g};this.init=function(){ctatdebug("init ("+d.getURL()+"); websocket "+
+c);null==c&&(c=new WebSocket(d.getURL()),c.addEventListener("open",function(a){ctatdebug("STATUS: open");e=!0;ctatdebug("Connection open, flushing outgoing queue ...");h=(new Date).getTime();if(0<b.length){for(a=0;a<b.length;a++)c.send(b[a]);b=[]}}),c.addEventListener("message",function(b){l=(new Date).getTime();ctatdebug("STATUS: message after "+(l-h)+" ms");ctatdebug("Received: "+b.data);m?m(b.data):ctatdebug("Error: no processing function provided")}),c.addEventListener("close",function(b){ctatdebug("STATUS: close; "+
+(b?"code "+b.code+", reason "+b.reason:"no event"));e=!1;c.close(1E3,b?b.reason?b.reason:"received close code "+b.code:"no close event received");n&&n(b)}),c.addEventListener("error",function(b){ctatdebug("STATUS: error; "+(b?b.type:"no event"));e=!1;c.close(1E3,"client closing in response to error")}),ctatdebug("init () done"))};this.send=function(){ctatdebug("send ()");d.init();!1===e?(ctatdebug("Connection not ready yet, storing ..."),b.push(g)):(ctatdebug("Connection ready, sending data ..."),
+h=(new Date).getTime(),c.send(g))};this.getWebSocket=function(){return c};this.close=function(b,a){e=!1;n=a||n;c.close(1E3,b||"no reason")}};CTATWSConnection.prototype=Object.create(CTATConnectionBase.prototype);CTATWSConnection.prototype.constructor=CTATWSConnection;var CTATCanvasComponent=function(a){var g=this,f=[];this.addShape=function(a){f.push(a)};this.hideShape=function(a){for(var c=0;c<f.length;c++)if(f[c].getName()==a){f[c].modifyCanvasCSS("visibility","hidden");break}};this.showShape=function(a){for(var c=0;c<f.length;c++)if(f[c].getName()==a){f[c].modifyCanvasCSS("visibility","visible");break}};this.hideComponent=function(){for(var a=0;a<f.length;a++)f[a].modifyCanvasCSS("visibility","hidden")};this.showComponent=function(){for(var a=0;a<f.length;a++)f[a].modifyCanvasCSS("visibility",
+"visible")};this.moveShape=function(a,c,b){for(var e=0;e<f.length;e++)if(f[e].getName()==a){f[e].modifyCanvasCSS("left",c+"px");f[e].modifyCanvasCSS("top",b+"px");break}};this.moveComponent=function(a,c){for(var b=0;b<f.length;b++)f[b].modifyCanvasCSS("left",a+"px"),f[b].modifyCanvasCSS("top",c+"px")};this.removeShape=function(a){for(var c=0,b=0;b<f.length;b++)if(f[b].getName()==a){c=b;break}f[c].detatchCanvas();f.splice(c,1)};this.removeComponent=function(){for(;0<f.length;)g.removeShape(f[0].getName())}};var CTATDefaultLanguagePack={HORIZONTAL:"LR",VERTICAL:"TB",LOADING:"Please wait while the tutor is being loaded",NEXTPROBLEM:"Retrieving the Next Problem...",CONGRATULATIONS_YOU_ARE_DONE:"Congratulations, you are done with this problem.",SURE_YOU_ARE_DONE:"Are you sure you are done?",TUTORDISCONNECTED:"The tutor has disconnected. Please refresh the page.",OUTOFORDER:"You need to do other steps first, before doing the step you just worked on. You might request a hint for more help.",DONE:"Done",HINT:"Hint",
+NEXT:"Next",PREVIOUS:"Previous",HIGHLIGHTEDSTEP:"Instead of the step you are working on, please work on the highlighted step.",NO_HINT_AVAILABLE:"No hint is available at this step.",NOTDONE:"I'm sorry, but you are not done yet. Please continue working.",AUTHORPLEASECLOSE:"Authoring Tools disconnected. Please close this page.",ERROR_502:"Error contacting the server, please refresh the page and try again (HTTP status 502: gateway response).",ERROR_CONN_TS:"Connection refused by tutoring service, please check your server or contact an administrator.",
+ERROR_CONN_LS:"Connection refused by the logging server, please check your connection or contact an administrator.",AWAITING_OTHER_COLLABORATORS:"Waiting for other team members..."},CTATLanguageManager=function(){CTATBase.call(this,"CTATLanguageManager","theLanguagePack");var a=this;this.getString=function(g){a.ctatdebug("getString ("+g+") -> "+typeof CTATLanguagePack);if("undefined"!==typeof CTATLanguagePack){if(CTATLanguagePack[g])return CTATLanguagePack[g]}else a.ctatdebug("No custom language pack defined, using default...");
+return CTATDefaultLanguagePack[g]};this.filterString=function(g){a.ctatdebug("filterString ("+g+") -> "+typeof CTATLanguagePack);if("undefined"!==typeof CTATLanguagePack){if(CTATLanguagePack[g])return a.ctatdebug("Found tag in provided language pack, returning: "+CTATLanguagePack[g]),CTATLanguagePack[g]}else a.ctatdebug("No custom language pack defined, using default...");return"undefined"!==typeof CTATDefaultLanguagePack&&CTATDefaultLanguagePack[g]?(a.ctatdebug("Found tag in default language pack, returning: "+
+CTATDefaultLanguagePack[g]),CTATDefaultLanguagePack[g]):g}};CTATLanguageManager.prototype=Object.create(CTATBase.prototype);CTATLanguageManager.prototype.constructor=CTATLanguageManager;CTATLanguageManager.theSingleton=new CTATLanguageManager;var scrimIsUp=!1,errorScrim=!1,waitScrim=!0,warnScrim=!1,connectionScrim=!1,authorTimeSet=!0,inAuthorTime=!0,CTATScrim=function(){function a(){warnScrim=!1;w.scrimDown()}function g(b){"google"!=CTATConfig.platform&&(!0===scrimIsUp&&w.scrimDownForced(),w.ctatdebug("errScrimUp ("+b+")"),!0===errorScrim?!0===e&&(e=!1,getSafeElementById(ctatcontainer).removeChild(q)):!0===warnScrim&&(e=!0),w.scrimUp(b))}function f(b,a){w.ctatdebug("makeHTMLButton ()");var e=document.createElement("input");e.type="button";
+e.value=a;b?(w.ctatdebug("clickHandle!=null"),e.onclick=b):(w.ctatdebug("clickHandle==null"),e.onclick=w.defaultClickHandler);e.id=a;e.setAttribute("class","scrimButton");return e}CTATBase.call(this,"CTATScrim","__undefined__");var d="",c=!1,b=!1,e=!1,h=null,l=null,m=new CTATCanvasComponent("CTAT Scrim"),n=[],p=null,v=null,q=null,u=null,w=this;this.scrimUp=function(g){if("google"!=CTATConfig.platform)if(w.ctatdebug("scrimUp ()"),g=CTATGlobals.languageManager.filterString(g),w.ctatdebug("Message: "+
+g),!0===scrimIsUp?(d=!0===waitScrim?g:d+(" \n "+g),m.removeComponent(),w.removeHTMLElements()):(d=g,scrimIsUp=!0),w.ctatdebug("scrimUp() to call drawScrim() scrimIsUp "+scrimIsUp),w.ctatdebug("drawScrim ()"),"google"==CTATConfig.platform)w.ctatdebug("This is not available for now when we're in this environment");else if($('<div id="scrim" class="ctatpageoverlay"></div>').appendTo("body"),$("#scrim").css("z-index",1E3),"google"!=CTATConfig.platform&&($("#scrimpanel").empty(),$("#scrim").append('<div class="css3-windows-7"><div class="fenster"><h4 class="titel">CTAT Info Panel</h4><div id="scrimpanel" class="inhalt"><br>'+
+d+"<br><br></div></div></div>"),!0===e&&(waitScrim=!1,q=f(a,"close"),$(q).appendTo("#scrimpanel")),!0===c&&(waitScrim=!1,p=f(h,"yes"),$(p).appendTo("#scrimpanel"),c=!1),!0===b&&(waitScrim=!1,v=f(l,"no"),$(v).appendTo("#scrimpanel"),b=!1),!0===waitScrim)){w.ctatdebug("Adding spinner ...");$("#scrimpanel").append("<br>");g=$('<div id="scrim_spin">');g.css("width","100%");g.css("position","relative");$("#scrimpanel").append(g);try{var n=(new Spinner({className:"scrim_spinner"})).spin();$("#scrim_spin").append(n.el)}catch(C){(C instanceof
+ReferenceError||C instanceof TypeError)&&w.ctatdebug('Spinner is not available, please include it in the build or add <script src="node_modules/spin.js/spin.min.js">\x3c/script> to the html file.',C,typeof C)}}};this.waitScrimUp=function(){w.ctatdebug("waitScrimUp () CTATConfig.platform "+CTATConfig.platform+", scrimIsUp "+scrimIsUp);"google"!=CTATConfig.platform&&(!0===scrimIsUp&&w.scrimDownForced(),waitScrim=!0,w.scrimUp(CTATGlobals.languageManager.getString("LOADING")),w.ctatdebug("return from waitScrimUp(): scrimIsUp "+
+scrimIsUp))};this.nextProblemScrimUp=function(){"google"!=CTATConfig.platform&&(!0===scrimIsUp&&w.scrimDownForced(),w.ctatdebug("nextProblemScrimUp ()"),w.scrimUp(CTATGlobals.languageManager.getString("NEXTPROBLEM")))};this.OKScrimUp=function(a,d){"google"!=CTATConfig.platform&&(!0===scrimIsUp&&w.scrimDownForced(),w.ctatdebug("OKScrimUp ("+a+","+d+")"),waitScrim=b=c=e=warnScrim=errorScrim=!1,w.scrimUp(a),u=f(d,"OK"),$(u).appendTo("#scrimpanel"))};this.confirmScrimUp=function(a,e,d){"google"!=CTATConfig.platform&&
+(!0===scrimIsUp&&w.scrimDownForced(),w.ctatdebug("confirmScrimUp ("+a+","+e+","+d+")"),b=c=!0,l=d,h=e,w.scrimUp(a))};this.errorScrimUp=function(b){"google"!=CTATConfig.platform&&(!0===scrimIsUp&&w.scrimDownForced(),!1===authorTimeSet?(w.ctatdebug("we don't know if we're in authorTime or not yet so we're just going to hold onto the messasge"),n.push("ERROR: "+b),errorScrim=!0):!1===inAuthorTime?w.ctatdebug("We're not in authorTime, student's don't need to see our design mistakes"):(errorScrim=!0,g("ERROR: "+
+b)))};this.warningScrimUp=function(b){"google"!=CTATConfig.platform&&(!0===scrimIsUp&&w.scrimDownForced(),!1===authorTimeSet?(w.ctatdebug("we don't know if we're in authorTime or not yet so we're just going to hold onto the messasge"),n.push("WARNING: "+b),warnScrim=!0):!1===inAuthorTime?w.ctatdebug("We're not in authorTime, student's don't need to see our design mistakes"):(warnScrim=!0,g("WARNING: "+b)))};this.handleTSDisconnect=function(){connectionScrim=!0;w.scrimUp(CTATGlobals.languageManager.getString("TUTORDISCONNECTED"))};
+this.removeHTMLElements=function(){};this.scrimDown=function(){"google"!=CTATConfig.platform&&(!1===scrimIsUp?w.ctatdebug("The scrim isn't up, returning"):!0===errorScrim?w.ctatdebug("The scrim is up to describe errors to the user, leave it up!"):!0===warnScrim?w.ctatdebug("The scrim is up to display warnings to the user, leave it up!"):!0===connectionScrim?w.ctatdebug("The scrim is up for a connection issue leave it up!"):w.scrimDownForced())};this.scrimDownForced=function(){w.ctatdebug("enter scrimDownForced() scrimIsUp "+
+scrimIsUp);$("#scrim").remove();m.removeComponent();w.removeHTMLElements();waitScrim=scrimIsUp=!1;d="";w.ctatdebug("exit scrimDownForced() scrimIsUp "+scrimIsUp)};this.defaultClickHandler=function(){w.ctatdebug("defaultClickHandler ()");w.scrimDown()};this.setInAuthorTime=function(b){w.ctatdebug("setting inAuthorTime = "+b);authorTimeSet=!0;inAuthorTime=b;if(!b)warnScrim=errorScrim=!1,e&&null.removeChild(q);else if(errorScrim||warnScrim)for(var a in n)g(a)};this.getInAuthorTime=function(){return inAuthorTime}};
 CTATScrim.prototype=Object.create(CTATBase.prototype);CTATScrim.prototype.constructor=CTATScrim;CTATGlobals.languageManager=CTATLanguageManager.theSingleton;CTATScrim.scrim=new CTATScrim;var CTAT={ToolTutor:{interfaceMessages:[],tutorMessages:[]}};
 Object.defineProperty(CTAT.ToolTutor,"message_handler",{enumerable:!0,get:function(){if(window.hasOwnProperty("getInterfaceObject")&&"function"===typeof window.getInterfaceObject)return window.getInterfaceObject();if(window.hasOwnProperty("interfaceObject"))return window.interfaceObject;this.hasOwnProperty("_interface")||(this._interface=null);return this._interface},set:function(a){window.hasOwnProperty("interfaceObject")?window.interfaceObject=a:this._interface=a;return a}});
 Object.defineProperty(CTAT.ToolTutor,"tutor",{enumerable:!0,get:function(){if(window.hasOwnProperty("getTutorObject")&&"function"===typeof window.getTutorObject)return window.getTutorObject();if(window.hasOwnProperty("tutorObject"))return window.tutorObject;this.hasOwnProperty("_tutor")||(this._tutor=null);return this._tutor},set:function(a){window.hasOwnProperty("tutorObject")?window.tutorObject=a:this._tutor=a;return a}});
@@ -119,1045 +123,1397 @@ CTAT.ToolTutor.registerTutor=function(a){if(window.hasOwnProperty("registerTutor
 CTAT.ToolTutor.sendToInterface=function(a){ctatdebug("CTAT.ToolTutor.sendToInterface()\n  "+a);return window.hasOwnProperty("sendToInterface")&&"function"===typeof window.sendToInterface?window.sendToInterface.apply(null,arguments):this.message_handler?this.message_handler.receiveFromTutor(a):commMessageHandler?commMessageHandler.processMessage(a):this.interfaceMessages.push(a)};
 CTAT.ToolTutor.registerInterfaceMessageHandler=function(a){ctatdebug("CTAT.ToolTutor.registerInterfaceMessageHandler("+a+")");"string"===typeof a&&(a=document.getElementById(a));if(this.message_handler=a)for(;0<this.interfaceMessages.length;)this.sendToInterface(this.interfaceMessages.shift())};CTAT.ToolTutor.registerInterface=function(a){if(window.hasOwnProperty("registerInterface")&&"function"===typeof window.registerInterface)return window.registerInterface(a);this.registerInterfaceMessageHandler(a)};
 CTAT.ToolTutor.sendToTutor=function(a){return window.hasOwnProperty("sendToTutor")&&"function"===typeof window.sendToTutor?window.sendToTutor(a):this.tutor?this.tutor.receiveFromInterface(a):this.tutorMessages.push(a)};
-CTAT.ToolTutor.reboot=function(a){(a="undefined"!=typeof location&&location&&location.href?location.href:null)&&console.log("ToolTutor.reboot(), setting location to "+a);return a&&!CTATConfiguration.get("editorMode")?("function"==typeof setTimeout?setTimeout(location.replace.bind(location),600,a):location.replace(a),!0):!1};var CTATGuid={s4:function(){return Math.floor(65536*(1+Math.random())).toString(16).substring(1)},guid:function(){return this.s4()+this.s4()+"-"+this.s4()+"-"+this.s4()+"-"+this.s4()+"-"+this.s4()+this.s4()+this.s4()}};var CTATConfiguration=function(){CTATBase.call(this,"CTATConfiguration","config");var a=this,b=[],e=null,g=null,d=null,c=null;this.raw={admit_code:"ies",authenticity_token:"",auth_token:"none",BehaviorRecorderMode:"AuthorTimeTutoring",class_name:"DefaultClass",curriculum_service_url:"",connection:"javascript",dataset_level_name:"none",dataset_level_type:"ProblemSet",dataset_name:"none",expire_logout_url:"none",info:"",instructor_name:"none",instrumentation_log:"off",lcId:"none",Logging:"None",log_service_url:"http://pslc-qa.andrew.cmu.edu/log/server",
+CTAT.ToolTutor.reboot=function(a){(a="undefined"!=typeof location&&location&&location.href?location.href:null)&&console.log("ToolTutor.reboot(), setting location to "+a);return a&&!CTATConfiguration.get("editorMode")?("function"==typeof setTimeout?setTimeout(location.replace.bind(location),600,a):location.replace(a),!0):!1};var CTATGuid={s4:function(){return Math.floor(65536*(1+Math.random())).toString(16).substring(1)},guid:function(){return this.s4()+this.s4()+"-"+this.s4()+"-"+this.s4()+"-"+this.s4()+"-"+this.s4()+this.s4()+this.s4()}};var CTATConfiguration=function(){CTATBase.call(this,"CTATConfiguration","config");var a=this,g={},f=null,d=null,c=null,b=null;this.raw={admit_code:"ies",authenticity_token:"",auth_token:"none",BehaviorRecorderMode:"AuthorTimeTutoring",class_name:"DefaultClass",curriculum_service_url:"",connection:"javascript",dataset_level_name:"none",dataset_level_type:"ProblemSet",dataset_name:"none",expire_logout_url:"none",info:"",instructor_name:"none",instrumentation_log:"off",lcId:"none",Logging:"None",log_service_url:"http://pslc-qa.andrew.cmu.edu/log/server",
 log_to_disk_directory:".",problem_name:"none",problem_position:"none",problem_started_url:"none",problem_state_status:"empty",question_file:"none",refresh_session_url:"none",remoteSocketPort:"20080",remoteSocketSecurePort:"20443",remoteSocketURL:"127.0.0.1",restore_problem_url:"",reuse_swf:"false",run_problem_url:"none",school_name:"none",SessionLog:"true",session_id:CTATGuid.guid(),session_timeout:"none",show_debug_traces:"false",skills:"",source_id:"PACT_CTAT_HTML5",student_interface:"none",student_problem_id:"none",
 study_condition_name:"none",study_condition_type:"none",study_condition_description:"none",study_name:"Study1",target_frame:"_parent",TutorShopDeliveryMethod:"sendandload",tutoring_service_communication:"javascript",user_guid:"none",wmode:"opaque",ssl:"off",sui:"",centerTutor:!1,previewMode:!1,width:550,height:450};this.assignRawFlashVars=function(b){a.ctatdebug("assignRawFlashVars() raw['session_id'] "+a.raw.session_id+", aData['session_id'] "+b.session_id);a.raw=b;a.preParse()};this.getRawFlashVars=
-function(){return a.raw};this.getSingleParameterValues=function(b){var c=[];if(!b)return c;var f=a.getRawFlashVars(),d;for(d in b){var e=b[d];f[e]&&"none"!=f[e]&&c.push(f[e])}return c};this.usingFlash=function(){return this.getSingleParameterValues(["student_interface","swf_name"]).some(function(a){return 0<=a.search(/[.]swf$/i)})};this.generateDefaultConfiguration=function(b){var c={},f=0;if(b)for(var d in b)c[d]=b[d],f++;a.ctatdebug("generateDefaultConfiguration() nDefaults "+f+", result['session_id'] "+
-c.session_id);f=b=null;if(window&&window.frameElement&&(f=window.frameElement.getAttribute("data-params"))){b=jQuery.parseJSON(f);console.log("setting data params from iframe attr");for(var e in b)c[e]=CTATGlobals.EncodedParams[e]?decodeURIComponent(b[e].replace(/\+/g,"%20")):b[e],console.log("set "+e+" to "+c[e])}if(null===b)for(e=$('object param[name="flashvars"]'),a.ctatdebug("generateDefaultConfiguration() objs "+e),b=0;b<e.length;++b)if(f=$(e[b]).attr("value"),a.ctatdebug("generateDefaultConfiguration() fVarsAsString "+
-f),f&&(f=parseQueryStringArgs(f))&&f.question_file)for(var g in f)c[g]=f[g];ctatdebug("tutorPrep ("+c+")");g={};if(null===c||void 0===c)ctatdebug("tutorPrep(): Internal error: null argument passed");else{ctatdebug("parseQueryString ()");e=location.search;ctatdebug("Query String: "+e);b="?"==e.charAt(0)?e.substring(1):e;e={};if(b)for(b=b.split("&"),f=0;f<b.length;f++){d=b[f].split("=");ctatdebug("Setting flashvar "+d[0]+", to: "+decodeURIComponent(d[1].replace(/\+/g," ")));e[decodeURIComponent(d[0])]=
-"";for(var u=1;u<d.length;u++)e[decodeURIComponent(d[0])]+=(1<u?"=":"")+decodeURIComponent(d[u].replace(/\+/g," "));ctatdebug("Decoded args: "+e[decodeURIComponent(d[0])])}null!==e&&(ctatdebug("tutorPrep(): Assigning parsed arguments ..."),g=e);e=!1;for(var r in g)if(g.hasOwnProperty(r))switch(ctatdebug("Processing external FlashVar "+r+"("+g[r]+")"),r){case "GENERATED":"on"==g[r]&&(c.session_id=CTATGuid.guid(),e=!0);break;case "BRD":c.question_file=g[r];break;case "BRMODE":c.BehaviorRecorderMode=
-g[r];break;case "PROBLEM":c.problem_name=g[r];break;case "DATASET":c.dataset_name=g[r];break;case "LEVEL1":c.dataset_level_name1=g[r];break;case "TYPE1":c.dataset_level_type1=g[r];break;case "LEVEL2":c.dataset_level_name2=g[r];break;case "TYPE2":c.dataset_level_type2=g[r];break;case "LEVEL3":c.dataset_level_name3=g[r];break;case "TYPE3":c.dataset_level_type3=g[r];break;case "LEVEL4":c.dataset_level_name4=g[r];break;case "TYPE4":c.dataset_level_type4=g[r];break;case "USER":c.user_guid=g[r];break;case "SESSION":!1===
-e&&(c.session_id=g[r]);break;case "SOURCE":c.source_id=g[r];break;case "LOGTYPE":c.Logging=g[r];break;case "PORT":c.remoteSocketPort=g[r];break;case "REMOTEURL":c.remoteSocketURL=g[r];break;case "DISKDIR":c.log_to_disk_directory=g[r];break;case "log_service_url":c.log_service_url=g[r];break;case "URL":c.log_service_url=g[r];break;case "LOGURL":c.log_service_url=g[r];break;case "CONNECTION":c.tutoring_service_communication=g[r];break;case "SUI":c.sui=g[r];break;case "VAR1":c.var1=g[r];break;case "VAL1":c.val1=
-g[r];break;case "VAR2":c.var2=g[r];break;case "VAL2":c.val2=g[r];break;case "VAR3":c.var3=g[r];break;case "VAL3":c.val3=g[r];break;case "VAR4":c.var4=g[r];break;case "VAL4":c.val4=g[r];break;case "SLOG":case "SessionLog":c.SessionLog=g[r];break;case "KEYBOARDGROUP":"Disabled"==g[r]&&(c.keyboard="disabled");"Auto"==g[r]&&(c.keyboard="auto");"On"==g[r]&&(c.keyboard="on");break;default:c[r]=g[r]}}return c};this.getCustomFields=function(){return b};this.setTimeZone=function(c){a.ctatdebug("setTimeZone ("+
-c+")");null==c||""==c||void 0==c?(c=jstz.determine(),a.ctatdebug("Assigning detected timezone: "+c.name()),c=c.name()):(50<c.length&&(c=c.substr(0,50)),3!=c.length&&4!=c.length||a.ctatdebug("3 and 4 letter time zone abbreviations are deprecated. See list of tz database zone names for better options"));null!=a.raw&&(a.raw.timezone=c)};this.getTimeZone=function(){return null!=a.raw&&a.raw.timezone?a.raw.timezone:"UTC"};this.listWithAmpersands=function(){var c="",b;for(b in a.raw)var d=b+"="+encodeURIComponent(a.raw[b]),
-c=""!=c?c+"&"+d:d;a.ctatdebug("CTATConfiguration.listWithAmpersands() result "+c.substring(0,25)+"...");return c};this.listFlashVars=function(){ctatdebug("listFlashVars ()");for(var c in a.raw)ctatdebug("["+c+"]: "+a.raw[c])};this.preParse=function(){ctatdebug("preParse ()");if(void 0==a.raw.dataset_name||void 0==a.raw.dataset_name)a.raw.dataset_name="DefaultDataset";var c=0,d;for(d in a.raw){if("VAR"==d||"var"==d)b[d]=a.raw[d];c++}a.ctatdebug("preParse() nRaw "+c);c=0;for(d=!0;1==d;){d=!1;var e=
-"custom_field_name"+(c+1),g="custom_field_value"+(c+1);a.ctatdebug("Trying : "+a.raw[e]+","+a.raw[g]);null!=a.raw[e]&&(a.ctatdebug("Adding: "+e+","+a.raw[g]),b[a.raw[e]]=a.raw[g],d=!0,c++)}};this.getDatasetNames=function(){a.ctatdebug("getDatasetNames ()");if(null!=e)return e;e={};e=[];for(var c=0,b=!0;1==b;){var b=!1,d="dataset_level_name"+(c+1);null!=a.raw[d]&&(a.ctatdebug("Adding: "+d+","+a.raw[d]),e[c]=a.raw[d],b=!0,c++)}return e};this.getDatasetTypes=function(){a.ctatdebug("getDatasetTypes ()");
-if(null!=g)return g;g=[];for(var c=0,b=!0;1==b;){var b=!1,d="dataset_level_type"+(c+1);null!=a.raw[d]&&(a.ctatdebug("Adding: "+d+","+a.raw[d]),g[c]=a.raw[d],b=!0,c++)}return g};this.getConditionNames=function(){var c=[],b=0;void 0!=a.raw.study_condition_name&&""!=a.raw.study_condition_name&&(c.push(a.raw.study_condition_name),b++);for(var d=0,e=!0;1==e;){var e=!1,g="study_condition_name"+(d+1);null!=a.raw[g]&&(a.ctatdebug("Adding: "+g+","+a.raw[g]),c[d+b]=a.raw[g],e=!0,d++)}return c};this.getConditionTypes=
-function(){d=[];var c=0;void 0!=a.raw.study_condition_type&&""!=a.raw.study_condition_type&&(d.push(a.raw.study_condition_type),c++);for(var b=0,e=!0;1==e;){var e=!1,g="study_condition_type"+(b+1);null!=a.raw[g]&&(a.ctatdebug("Adding: "+g+","+a.raw[g]),d[b+c]=a.raw[g],e=!0,b++)}return d};this.getConditionDescriptions=function(){a.ctatdebug("getConditionDescriptions ()");c=[];var b=0;a.raw.study_condition_description&&""!==a.raw.study_condition_description&&(a.ctatdebug("Adding study_condition_description: "+
-a.raw.study_condition_description),c.push(a.raw.study_condition_description),b++);for(var d=0,e=!0;!0===e;){var e=!1,g="study_condition_description"+(d+1);null!=a.raw[g]&&(a.ctatdebug("Adding: "+g+","+a.raw[g]),c[d+b]=a.raw[g],e=!0,d++)}return c};this.get=function(c){return a.raw[c]};this.set=function(c,b){c&&(a.raw[c]=b)};this.setParams=function(c){if(c)for(var b in c)a.set(b,c[b])};this.isInstructorMode=function(){var a=this.getRawFlashVars();return a&&a.deliverymode?"delivery"==a.deliverymode?
-!1:!0:!1};this.getLoggingLibrary=function(){null===commLoggingLibrary&&(commLoggingLibrary=new CTATLoggingLibrary(!0));return commLoggingLibrary};this.setPreviewMode=function(c,b){a.raw.previewMode=b};this.setCenterTutor=function(c,b){a.raw.centerTutor=b};this.setTutorWidth=function(c,b){a.raw.width=b};this.setTutorHeight=function(c,b){a.raw.height=b};this.setTutorDimensions=function(c,b,d){a.raw.width=b;a.raw.height=d};this.setTutorValue=function(c,b,d){a.raw[b]=d};this.setCommunicationMode=function(c,
-b){a.raw.tutoring_service_communication=b};this.setRemoteSocketURL=function(c,b){a.raw.remoteSocketURL=b};this.setRemoteSocketPort=function(c,b){a.raw.remoteSocketPort=b}};CTATConfiguration.prototype=Object.create(CTATBase.prototype);CTATConfiguration.prototype.constructor=CTATConfiguration;flashVars=CTATConfiguration.theConfObject=null;
-CTATConfiguration.generateDefaultConfigurationObject=function(){if(!CTATConfiguration.theConfObject){this.theConfObject=new CTATConfiguration;var a=this.theConfObject.generateDefaultConfiguration(this.theConfObject.raw);this.theConfObject.assignRawFlashVars(a);"none"==this.theConfObject.get("session_id")&&this.theConfObject.set("session_id",CTATGuid.guid());flashVars=this.theConfObject;console.log("CTATConfiguration.generateDefaultConfigurationObject() flashVars.getRawFlashVars()['session_id'] "+
-flashVars.getRawFlashVars().session_id);console.log("flashVars.getRawFlashVars()['remoteSocketPort'] "+flashVars.getRawFlashVars().remoteSocketPort)}return this.theConfObject};CTATConfiguration.getRawFlashVars=function(){CTATConfiguration.generateDefaultConfigurationObject();return CTATConfiguration.theConfObject.getRawFlashVars()};CTATConfiguration.get=function(a){CTATConfiguration.generateDefaultConfigurationObject();return CTATConfiguration.theConfObject.get(a)};
-CTATConfiguration.set=function(a,b){CTATConfiguration.generateDefaultConfigurationObject();CTATConfiguration.theConfObject.set(a,b)};CTATConfiguration.setParams=function(a){CTATConfiguration.generateDefaultConfigurationObject();CTATConfiguration.theConfObject.setParams(a)};CTATConfiguration.getSingleParameterValues=function(a){CTATConfiguration.generateDefaultConfigurationObject();return CTATConfiguration.theConfObject.getSingleParameterValues(a)};
-CTATConfiguration.usingFlash=function(){CTATConfiguration.generateDefaultConfigurationObject();return CTATConfiguration.theConfObject.usingFlash()};CTATConfiguration.prototype.set=CTATConfiguration.prototype.set;CTATConfiguration.prototype.get=CTATConfiguration.prototype.get;var CTATTutorMessageBuilder=function(){CTATBase.call(this,"CTATTutorMessageBuilder","__undefined__")};CTATTutorMessageBuilder.isHint=function(a){return null===a||"undefined"===typeof a?!1:0===a.toString().toLowerCase().indexOf(CTATTutorMessageBuilder.HINT.toLowerCase())};CTATTutorMessageBuilder.isCorrect=function(a){if(null===a||"undefined"===typeof a)return!1;a=a.toString().toLowerCase();return 0===a.indexOf(CTATTutorMessageBuilder.CORRECT.toLowerCase())?!0:0===a.indexOf(CTATExampleTracerLink.SUCCESS.toLowerCase())};
-CTATTutorMessageBuilder.prototype=Object.create(CTATBase.prototype);CTATTutorMessageBuilder.prototype.createInCorrectActionMessage=function(a,b){this.ctatdebug("createInCorrectActionMessage ()");var e;e="<message><verb>SendNoteProperty</verb><properties><MessageType>InCorrectAction</MessageType>"+("<transaction_id>"+a+"</transaction_id>");this.ctatdebug("In CTATTutorMessageBuilder "+b);e+=b.toXMLString(!1);return e+"</properties></message>"};
-CTATTutorMessageBuilder.prototype.createCorrectActionMessage=function(a,b){this.ctatdebug("createCorrectActionMessage ()");var e;e="<message><verb>SendNoteProperty</verb><properties><MessageType>CorrectAction</MessageType>"+("<transaction_id>"+a+"</transaction_id>")+b.toXMLString(!1);return e+"</properties></message>"};
-CTATTutorMessageBuilder.prototype.createAssociatedRulesMessageForHint=function(a,b,e,g,d,c,f,h){f=void 0==f?a.length:f;h=void 0==h?1:h;b="<message><verb>SendNoteProperty</verb><properties><MessageType>AssociatedRules</MessageType><Indicator>Hint</Indicator>"+b.toXMLString();b+="<TutorAdvice>";for(var m=0;m<a.length;m++)b+="<value><![CDATA["+a[m]+"]]\x3e</value>";b=b+("</TutorAdvice><TotalHintsAvailable>"+f+"</TotalHintsAvailable><CurrentHintNumber>"+h+"</CurrentHintNumber>")+("<Actor>"+e+"</Actor>")+
-this.fmtSkillBarVector(g);b+="<skillBarDelimiter><![CDATA[`]]\x3e</skillBarDelimiter>";if(d||0===d)b+="<StepID>"+d+"</StepID>";b+="<transaction_id>"+c+"</transaction_id>";b+="<LogAsResult>true</LogAsResult>";return b+="</properties></message>"};
-CTATTutorMessageBuilder.prototype.createAssociatedRulesMessageForAction=function(a,b,e,g,d,c,f,h){a="<message><verb>SendNoteProperty</verb><properties><MessageType>AssociatedRules</MessageType>"+("<Indicator>"+(CTATTutorMessageBuilder.isCorrect(a)?"Correct":"InCorrect")+"</Indicator>");a+=b.toXMLString();b=g.toXMLString().replace("<Selection>","<StudentSelection>").replace("<Action>","<StudentAction>").replace("<Input>","<StudentInput>");b=b.replace("</Selection>","</StudentSelection>").replace("</Action>",
-"</StudentAction>").replace("</Input>","</StudentInput>");a=a+b+("<Actor>"+e+"</Actor>")+this.fmtSkillBarVector(d);a+="<skillBarDelimiter><![CDATA[`]]\x3e</skillBarDelimiter>";a+="<StepID>"+c+"</StepID>";a+="<transaction_id>"+f+"</transaction_id>";h&&(a+="<TutorAdvice><![CDATA["+h+"]]\x3e</TutorAdvice>");a+="<LogAsResult>true</LogAsResult>";a+="<end_of_transaction>"+(h?!1:!0)+"</end_of_transaction>";return a+="</properties></message>"};
-CTATTutorMessageBuilder.prototype.isDoneStep=function(a,b){b[0]=!1;var e=a.getIndicator();if(!e)return!1;var g=a.getStudentSelection();g||(g=a.getProperty("tool_selection"));b[0]=CTATTutorMessageBuilder.isCorrect(indicator);var d="done"==g;this.ctatdebug("isDoneStep() indicatorObj "+e+", selectionObj "+g+", correct[0] "+b[0]+", result "+d);return d};
-CTATTutorMessageBuilder.prototype.createHintMessage=function(a,b,e,g){e="<message><verb>SendNoteProperty</verb><properties><MessageType>ShowHintsMessage</MessageType><HintsMessage>";for(var d=0;d<a.length;d++)e+="<value><![CDATA["+a[d]+"]]\x3e</value>";e=e+"</HintsMessage>"+b.toXMLString();return e+("<transaction_id>"+g+"</transaction_id>")+"</properties></message>"};
-CTATTutorMessageBuilder.prototype.createErrorMessage=function(a,b){var e;e="<message><verb>SendNoteProperty</verb><properties><MessageType>TutoringServiceError</MessageType><ErrorType>"+a+"</ErrorType><Details>"+(b?b:"");return e+="</Details></properties></message>"};
-CTATTutorMessageBuilder.prototype.createSuccessMessage=function(a,b){var e;e="<message><verb>SendNoteProperty</verb><properties><MessageType>SuccessMessage</MessageType>"+("<SuccessMsg><![CDATA["+b+"]]\x3e</SuccessMsg>")+("<transaction_id>"+a+"</transaction_id>")+"<end_of_transaction>true</end_of_transaction>";return e+="</properties></message>"};
-CTATTutorMessageBuilder.prototype.createBuggyMessage=function(a,b){var e;e="<message><verb>SendNoteProperty</verb><properties><MessageType>BuggyMessage</MessageType>"+("<BuggyMsg><![CDATA["+b+"]]\x3e</BuggyMsg>")+("<transaction_id>"+a+"</transaction_id>")+"<end_of_transaction>true</end_of_transaction>";return e+="</properties></message>"};
+function(){return a.raw};this.getSingleParameterValues=function(b){var e=[];if(!b)return e;var c=a.getRawFlashVars(),d;for(d in b){var f=b[d];c[f]&&"none"!=c[f]&&e.push(c[f])}return e};this.usingFlash=function(){return this.getSingleParameterValues(["student_interface","swf_name"]).some(function(b){return 0<=b.search(/[.]swf$/i)})};this.generateDefaultConfiguration=function(b,c){var e={},d=0,f=0;if(b)for(var g in b)e[g]=b[g],d++;a.ctatdebug("generateDefaultConfiguration() nDefaults "+d+", result['session_id'] "+
+e.session_id);if("undefined"!=typeof c&&null!=c)for(g in c)e[g]=c[g],f++;a.ctatdebug("generateDefaultConfiguration() nLocalVars "+f);f=d=null;if(window&&window.frameElement&&(f=window.frameElement.getAttribute("data-params"))){d=jQuery.parseJSON(f);console.log("setting data params from iframe attr");for(var h in d)e[h]=CTATGlobals.EncodedParams[h]?decodeURIComponent(d[h].replace(/\+/g,"%20")):d[h],console.log("set "+h+" to "+e[h])}if(null===d)for(h=$('object param[name="flashvars"]'),a.ctatdebug("generateDefaultConfiguration() objs "+
+h),d=0;d<h.length;++d)if(f=$(h[d]).attr("value"),a.ctatdebug("generateDefaultConfiguration() fVarsAsString "+f),f&&(f=parseQueryStringArgs(f))&&f.question_file)for(var q in f)e[q]=f[q];ctatdebug("tutorPrep ("+e+")");q={};if(null===e||void 0===e)ctatdebug("tutorPrep(): Internal error: null argument passed");else{ctatdebug("parseQueryString ()");h=location.search;ctatdebug("Query String: "+h);d="?"==h.charAt(0)?h.substring(1):h;h={};if(d)for(d=d.split("&"),f=0;f<d.length;f++){g=d[f].split("=");ctatdebug("Setting flashvar "+
+g[0]+", to: "+decodeURIComponent(g[1].replace(/\+/g," ")));h[decodeURIComponent(g[0])]="";for(var u=1;u<g.length;u++)h[decodeURIComponent(g[0])]+=(1<u?"=":"")+decodeURIComponent(g[u].replace(/\+/g," "));ctatdebug("Decoded args: "+h[decodeURIComponent(g[0])])}null!==h&&(ctatdebug("tutorPrep(): Assigning parsed arguments ..."),q=h);h=!1;for(var w in q)if(q.hasOwnProperty(w))switch(ctatdebug("Processing external FlashVar "+w+"("+q[w]+")"),w){case "GENERATED":"on"==q[w]&&(e.session_id=CTATGuid.guid(),
+h=!0);break;case "BRD":e.question_file=q[w];break;case "BRMODE":e.BehaviorRecorderMode=q[w];break;case "PROBLEM":e.problem_name=q[w];break;case "DATASET":e.dataset_name=q[w];break;case "LEVEL1":e.dataset_level_name1=q[w];break;case "TYPE1":e.dataset_level_type1=q[w];break;case "LEVEL2":e.dataset_level_name2=q[w];break;case "TYPE2":e.dataset_level_type2=q[w];break;case "LEVEL3":e.dataset_level_name3=q[w];break;case "TYPE3":e.dataset_level_type3=q[w];break;case "LEVEL4":e.dataset_level_name4=q[w];break;
+case "TYPE4":e.dataset_level_type4=q[w];break;case "USER":e.user_guid=q[w];break;case "SESSION":!1===h&&(e.session_id=q[w]);break;case "SOURCE":e.source_id=q[w];break;case "LOGTYPE":e.Logging=q[w];break;case "PORT":e.remoteSocketPort=q[w];break;case "REMOTEURL":e.remoteSocketURL=q[w];break;case "DISKDIR":e.log_to_disk_directory=q[w];break;case "log_service_url":e.log_service_url=q[w];break;case "URL":e.log_service_url=q[w];break;case "LOGURL":e.log_service_url=q[w];break;case "CONNECTION":e.tutoring_service_communication=
+q[w];break;case "SUI":e.sui=q[w];break;case "VAR1":e.var1=q[w];break;case "VAL1":e.val1=q[w];break;case "VAR2":e.var2=q[w];break;case "VAL2":e.val2=q[w];break;case "VAR3":e.var3=q[w];break;case "VAL3":e.val3=q[w];break;case "VAR4":e.var4=q[w];break;case "VAL4":e.val4=q[w];break;case "SLOG":case "SessionLog":e.SessionLog=q[w];break;case "KEYBOARDGROUP":"Disabled"==q[w]&&(e.keyboard="disabled");"Auto"==q[w]&&(e.keyboard="auto");"On"==q[w]&&(e.keyboard="on");break;default:e[w]=q[w]}}return e};this.getCustomFields=
+function(){return g};this.setTimeZone=function(b){a.ctatdebug("setTimeZone ("+b+")");null==b||""==b||void 0==b?(b=jstz.determine(),a.ctatdebug("Assigning detected timezone: "+b.name()),b=b.name()):(50<b.length&&(b=b.substr(0,50)),3!=b.length&&4!=b.length||a.ctatdebug("3 and 4 letter time zone abbreviations are deprecated. See list of tz database zone names for better options"));null!=a.raw&&(a.raw.timezone=b)};this.getTimeZone=function(){return null!=a.raw&&a.raw.timezone?a.raw.timezone:"UTC"};this.listWithAmpersands=
+function(){var b="",c;for(c in a.raw)var d=c+"="+encodeURIComponent(a.raw[c]),b=""!=b?b+"&"+d:d;a.ctatdebug("CTATConfiguration.listWithAmpersands() result "+b.substring(0,25)+"...");return b};this.listFlashVars=function(){ctatdebug("listFlashVars ()");for(var b in a.raw)ctatdebug("["+b+"]: "+a.raw[b])};this.preParse=function(){ctatdebug("preParse ()");if(void 0==a.raw.dataset_name||void 0==a.raw.dataset_name)a.raw.dataset_name="DefaultDataset";var b=0,c;for(c in a.raw){if("VAR"==c||"var"==c)g[c]=
+a.raw[c];b++}a.ctatdebug("preParse() nRaw "+b);b=0;for(c=!0;1==c;){c=!1;var d="custom_field_name"+(b+1),f="custom_field_value"+(b+1);a.ctatdebug("Trying : "+a.raw[d]+","+a.raw[f]);null!=a.raw[d]&&(a.ctatdebug("Adding: "+d+","+a.raw[f]),g[a.raw[d]]=a.raw[f],c=!0,b++)}};this.getDatasetNames=function(){a.ctatdebug("getDatasetNames ()");if(null!=f)return f;f={};f=[];for(var b=0,c=!0;1==c;){var c=!1,d="dataset_level_name"+(b+1);null!=a.raw[d]&&(a.ctatdebug("Adding: "+d+","+a.raw[d]),f[b]=a.raw[d],c=!0,
+b++)}return f};this.getDatasetTypes=function(){a.ctatdebug("getDatasetTypes ()");if(null!=d)return d;d=[];for(var b=0,c=!0;1==c;){var c=!1,f="dataset_level_type"+(b+1);null!=a.raw[f]&&(a.ctatdebug("Adding: "+f+","+a.raw[f]),d[b]=a.raw[f],c=!0,b++)}return d};this.getConditionNames=function(){var b=[],c=0;void 0!=a.raw.study_condition_name&&""!=a.raw.study_condition_name&&(b.push(a.raw.study_condition_name),c++);for(var d=0,f=!0;1==f;){var f=!1,g="study_condition_name"+(d+1);null!=a.raw[g]&&(a.ctatdebug("Adding: "+
+g+","+a.raw[g]),b[d+c]=a.raw[g],f=!0,d++)}return b};this.getConditionTypes=function(){c=[];var b=0;void 0!=a.raw.study_condition_type&&""!=a.raw.study_condition_type&&(c.push(a.raw.study_condition_type),b++);for(var d=0,f=!0;1==f;){var f=!1,g="study_condition_type"+(d+1);null!=a.raw[g]&&(a.ctatdebug("Adding: "+g+","+a.raw[g]),c[d+b]=a.raw[g],f=!0,d++)}return c};this.getConditionDescriptions=function(){a.ctatdebug("getConditionDescriptions ()");b=[];var e=0;a.raw.study_condition_description&&""!==
+a.raw.study_condition_description&&(a.ctatdebug("Adding study_condition_description: "+a.raw.study_condition_description),b.push(a.raw.study_condition_description),e++);for(var c=0,d=!0;!0===d;){var d=!1,f="study_condition_description"+(c+1);null!=a.raw[f]&&(a.ctatdebug("Adding: "+f+","+a.raw[f]),b[c+e]=a.raw[f],d=!0,c++)}return b};this.get=function(b){return a.raw[b]};this.set=function(b,c){b&&(a.raw[b]=c)};this.setParams=function(b){if(b)for(var e in b)a.set(e,b[e])};this.isInstructorMode=function(){var b=
+this.getRawFlashVars();return b&&b.deliverymode?"delivery"==b.deliverymode?!1:!0:!1};this.getLoggingLibrary=function(){null===commLoggingLibrary&&(commLoggingLibrary=new CTATLoggingLibrary(!0));return commLoggingLibrary};this.setPreviewMode=function(b,c){a.raw.previewMode=c};this.setCenterTutor=function(b,c){a.raw.centerTutor=c};this.setTutorWidth=function(b,c){a.raw.width=c};this.setTutorHeight=function(b,c){a.raw.height=c};this.setTutorDimensions=function(b,c,d){a.raw.width=c;a.raw.height=d};this.setTutorValue=
+function(b,c,d){a.raw[c]=d};this.setCommunicationMode=function(b,c){a.raw.tutoring_service_communication=c};this.setRemoteSocketURL=function(b,c){a.raw.remoteSocketURL=c};this.setRemoteSocketPort=function(b,c){a.raw.remoteSocketPort=c}};CTATConfiguration.prototype=Object.create(CTATBase.prototype);CTATConfiguration.prototype.constructor=CTATConfiguration;flashVars=CTATConfiguration.theConfObject=null;
+CTATConfiguration.generateDefaultConfigurationObject=function(a,g){if(!CTATConfiguration.theConfObject){this.theConfObject=new CTATConfiguration;var f=this.theConfObject.generateDefaultConfiguration(this.theConfObject.raw,a);this.theConfObject.assignRawFlashVars(f);"none"==this.theConfObject.get("session_id")&&this.theConfObject.set("session_id",CTATGuid.guid());flashVars=this.theConfObject;console.log("CTATConfiguration.generateDefaultConfigurationObject() flashVars.getRawFlashVars()['session_id'] "+
+flashVars.getRawFlashVars().session_id);console.log("flashVars.getRawFlashVars()['remoteSocketPort'] "+flashVars.getRawFlashVars().remoteSocketPort)}"Default"!=g&&"OLI"!=g||this.theConfObject.setParams(a);return this.theConfObject};CTATConfiguration.getRawFlashVars=function(){CTATConfiguration.generateDefaultConfigurationObject();return CTATConfiguration.theConfObject.getRawFlashVars()};CTATConfiguration.get=function(a){CTATConfiguration.generateDefaultConfigurationObject();return CTATConfiguration.theConfObject.get(a)};
+CTATConfiguration.set=function(a,g){CTATConfiguration.generateDefaultConfigurationObject();CTATConfiguration.theConfObject.set(a,g)};CTATConfiguration.getCustomFields=function(){CTATConfiguration.generateDefaultConfigurationObject();return CTATConfiguration.theConfObject.getCustomFields()};CTATConfiguration.setParams=function(a){CTATConfiguration.generateDefaultConfigurationObject();CTATConfiguration.theConfObject.setParams(a)};
+CTATConfiguration.getSingleParameterValues=function(a){CTATConfiguration.generateDefaultConfigurationObject();return CTATConfiguration.theConfObject.getSingleParameterValues(a)};CTATConfiguration.usingFlash=function(){CTATConfiguration.generateDefaultConfigurationObject();return CTATConfiguration.theConfObject.usingFlash()};CTATConfiguration.prototype.set=CTATConfiguration.prototype.set;CTATConfiguration.prototype.get=CTATConfiguration.prototype.get;var CTATTutorMessageBuilder=function(){CTATBase.call(this,"CTATTutorMessageBuilder","__undefined__")};CTATTutorMessageBuilder.isHint=function(a){return null===a||"undefined"===typeof a?!1:0===a.toString().toLowerCase().indexOf(CTATTutorMessageBuilder.HINT.toLowerCase())};CTATTutorMessageBuilder.isCorrect=function(a){if(null===a||"undefined"===typeof a)return!1;a=a.toString().toLowerCase();return 0===a.indexOf(CTATTutorMessageBuilder.CORRECT.toLowerCase())?!0:0===a.indexOf(CTATExampleTracerLink.SUCCESS.toLowerCase())};
+CTATTutorMessageBuilder.prototype=Object.create(CTATBase.prototype);CTATTutorMessageBuilder.prototype.createInCorrectActionMessage=function(a,g){this.ctatdebug("createInCorrectActionMessage ()");var f;f="<message><verb>SendNoteProperty</verb><properties><MessageType>InCorrectAction</MessageType>"+("<transaction_id>"+a+"</transaction_id>");this.ctatdebug("In CTATTutorMessageBuilder "+g);f+=g.toXMLString(!1);return f+"</properties></message>"};
+CTATTutorMessageBuilder.prototype.createCorrectActionMessage=function(a,g){this.ctatdebug("createCorrectActionMessage ()");var f;f="<message><verb>SendNoteProperty</verb><properties><MessageType>CorrectAction</MessageType>"+("<transaction_id>"+a+"</transaction_id>")+g.toXMLString(!1);return f+"</properties></message>"};
+CTATTutorMessageBuilder.prototype.createAssociatedRulesMessageForHint=function(a,g,f,d,c,b,e,h,l){e=void 0==e?a.length:e;h=void 0==h?1:h;g="<message><verb>SendNoteProperty</verb><properties><MessageType>AssociatedRules</MessageType><Indicator>Hint</Indicator>"+(g?g:new CTATSAI("","","")).toXMLString();g+="<TutorAdvice>";for(var m=0;m<a.length;m++)g+="<value><![CDATA["+a[m]+"]]\x3e</value>";g=g+("</TutorAdvice><TotalHintsAvailable>"+e+"</TotalHintsAvailable><CurrentHintNumber>"+h+"</CurrentHintNumber>")+
+("<Actor>"+f+"</Actor>")+this.fmtSkillBarVector(d);g+="<skillBarDelimiter><![CDATA[`]]\x3e</skillBarDelimiter>";if(c||0===c)g+="<StepID>"+c+"</StepID>";g+="<transaction_id>"+b+"</transaction_id>";g+="<LogAsResult>true</LogAsResult>";g+=this.formatCustomFields(l);return g+="</properties></message>"};
+CTATTutorMessageBuilder.prototype.createAssociatedRulesMessageForAction=function(a,g,f,d,c,b,e,h,l,m,n){this.ctatdebug("TMB.createAssociatedRulesMessageForAction(indicator "+a+", sai "+g+", actor "+f+", studentSAI "+d+",\n  skillBarVector "+c+", stepID "+b+", transactionID "+e+",\n  tutorAdvice "+h+", outOfOrder "+l+", traceOutcome "+n);a="<message><verb>SendNoteProperty</verb><properties><MessageType>AssociatedRules</MessageType>"+("<Indicator>"+(CTATTutorMessageBuilder.isCorrect(a)?"Correct":"InCorrect")+
+"</Indicator>");a+=(g?g:new CTATSAI("","","")).toXMLString();g=d.toXMLString().replace("<Selection>","<StudentSelection>").replace("<Action>","<StudentAction>").replace("<Input>","<StudentInput>");g=g.replace("</Selection>","</StudentSelection>").replace("</Action>","</StudentAction>").replace("</Input>","</StudentInput>");a=a+g+("<Actor>"+f+"</Actor>")+this.fmtSkillBarVector(c);a+="<skillBarDelimiter><![CDATA[`]]\x3e</skillBarDelimiter>";a+="<StepID>"+b+"</StepID>";a+="<transaction_id>"+e+"</transaction_id>";
+h&&(a+="<TutorAdvice><![CDATA["+h+"]]\x3e</TutorAdvice>");a+="<LogAsResult>true</LogAsResult>";a+="<end_of_transaction>"+(h?!1:!0)+"</end_of_transaction>";a+="undefined"!=typeof l&&l?"<OutOfOrder>true</OutOfOrder>":"";a+=n?"<"+CTATMsgType.TRACE_OUTCOME+">"+n+"</"+CTATMsgType.TRACE_OUTCOME+">":"";a+=this.formatCustomFields(m);return a+="</properties></message>"};
+CTATTutorMessageBuilder.prototype.formatCustomFields=function(a){var g="";if(a)for(var f in a)a.hasOwnProperty(f)&&(g+="<custom_field><name>"+f+"</name><value>"+(null==a[f]?"":a[f].toString())+"</value></custom_field>");return g?"<custom_fields>"+g+"</custom_fields>":""};
+CTATTutorMessageBuilder.prototype.isDoneStep=function(a,g){g[0]=!1;var f=a.getIndicator();if(!f)return!1;var d=a.getStudentSelection();d||(d=a.getProperty("tool_selection"));g[0]=CTATTutorMessageBuilder.isCorrect(indicator);var c="done"==d;this.ctatdebug("isDoneStep() indicatorObj "+f+", selectionObj "+d+", correct[0] "+g[0]+", result "+c);return c};
+CTATTutorMessageBuilder.prototype.createHintMessage=function(a,g,f,d){f="<message><verb>SendNoteProperty</verb><properties><MessageType>ShowHintsMessage</MessageType><HintsMessage>";for(var c=0;c<a.length;c++)f+="<value><![CDATA["+a[c]+"]]\x3e</value>";f+="</HintsMessage>";g&&g.toXMLString&&(f+=g.toXMLString());return f+("<transaction_id>"+d+"</transaction_id>")+"</properties></message>"};
+CTATTutorMessageBuilder.prototype.createErrorMessage=function(a,g){var f;f="<message><verb>SendNoteProperty</verb><properties><MessageType>TutoringServiceError</MessageType><ErrorType>"+a+"</ErrorType><Details>"+(g?g:"");return f+="</Details></properties></message>"};
+CTATTutorMessageBuilder.prototype.createSuccessMessage=function(a,g){var f;f="<message><verb>SendNoteProperty</verb><properties><MessageType>SuccessMessage</MessageType>"+("<SuccessMsg><![CDATA["+g+"]]\x3e</SuccessMsg>")+("<transaction_id>"+a+"</transaction_id>")+"<end_of_transaction>true</end_of_transaction>";return f+="</properties></message>"};
+CTATTutorMessageBuilder.prototype.createBuggyMessage=function(a,g){var f;f="<message><verb>SendNoteProperty</verb><properties><MessageType>BuggyMessage</MessageType>"+("<BuggyMsg><![CDATA["+g+"]]\x3e</BuggyMsg>")+("<transaction_id>"+a+"</transaction_id>")+"<end_of_transaction>true</end_of_transaction>";return f+="</properties></message>"};
 CTATTutorMessageBuilder.prototype.createLockWidgetMsg=function(a){return"<message><verb>SendNoteProperty</verb><properties><MessageType>SendWidgetLock</MessageType>"+("<WidgetLockFlag>"+a+"</WidgetLockFlag>")+"</properties></message>"};
-CTATTutorMessageBuilder.prototype.createMessage=function(a,b){var e="<message><verb>SendNoteProperty</verb><properties><MessageType>"+a+"</MessageType>";if(b)for(var g in b)e+="<"+g+">"+b[g]+"</"+g+">";e+="</properties></message>";this.ctatdebug("CTATTutorMessageBuilder.createMessage("+a+", "+b+") returns "+e);return e};
-CTATTutorMessageBuilder.prototype.createStateGraphMessage=function(a,b,e,g,d,c,f){a="<message><verb>SendNoteProperty</verb><properties><MessageType>StateGraph</MessageType>"+("<caseInsensitive>"+a+"</caseInsensitive>")+("<unordered>"+b+"</unordered>")+("<lockWidget>"+e+"</lockWidget>");a+="<suppressStudentFeedback>"+g+"</suppressStudentFeedback>";a+="<highlightRightSelection>"+d+"</highlightRightSelection>";a+="<confirmDone>"+c+"</confirmDone>";a+="<skillBarDelimiter><![CDATA[`]]\x3e</skillBarDelimiter>";
-a+=this.fmtSkillBarVector(f);return a+="</properties></message>"};CTATTutorMessageBuilder.prototype.fmtSkillBarVector=function(a){var b="";if(void 0!==a&&null!==a&&0<a.length){for(var b=b+"<Skills>",e=0;e<a.length;e++)b+="<value><![CDATA["+a[e]+"]]\x3e</value>";b+="</Skills>"}return b};
-CTATTutorMessageBuilder.prototype.createHighlightWidgetMessage=function(a,b,e,g){a="<message><verb>SendNoteProperty</verb><properties><MessageType>HighlightMsg</MessageType>"+("<HighlightMsgText>"+e+"</HighlightMsgText>")+("<Selection><value>"+a+"</value></Selection>")+("<Action><value>"+b+"</value></Action>");a+="<transaction_id>"+g+"</transaction_id>";a+="<end_of_transaction>true</end_of_transaction>";return a+="</properties></message>"};
+CTATTutorMessageBuilder.prototype.createMessage=function(a,g){var f="<message><verb>SendNoteProperty</verb><properties><MessageType>"+a+"</MessageType>";if(g)for(var d in g)f+="<"+d+">"+g[d]+"</"+d+">";f+="</properties></message>";this.ctatdebug("CTATTutorMessageBuilder.createMessage("+a+", "+g+") returns "+f);return f};
+CTATTutorMessageBuilder.prototype.createStateGraphMessage=function(a,g,f,d,c,b,e){a="<message><verb>SendNoteProperty</verb><properties><MessageType>StateGraph</MessageType>"+("<caseInsensitive>"+a+"</caseInsensitive>")+("<unordered>"+g+"</unordered>")+("<lockWidget>"+f+"</lockWidget>");a+="<suppressStudentFeedback>"+d+"</suppressStudentFeedback>";a+="<highlightRightSelection>"+c+"</highlightRightSelection>";a+="<confirmDone>"+b+"</confirmDone>";a+="<skillBarDelimiter><![CDATA[`]]\x3e</skillBarDelimiter>";
+a+=this.fmtSkillBarVector(e);return a+="</properties></message>"};CTATTutorMessageBuilder.prototype.fmtSkillBarVector=function(a){var g="";if(void 0!==a&&null!==a&&0<a.length){for(var g=g+"<Skills>",f=0;f<a.length;f++)g+="<value><![CDATA["+a[f]+"]]\x3e</value>";g+="</Skills>"}return g};
+CTATTutorMessageBuilder.prototype.createHighlightWidgetMessage=function(a,g,f,d){a="<message><verb>SendNoteProperty</verb><properties><MessageType>HighlightMsg</MessageType>"+("<HighlightMsgText>"+f+"</HighlightMsgText>")+("<Selection><value>"+a+"</value></Selection>")+("<Action><value>"+g+"</value></Action>");a+="<transaction_id>"+d+"</transaction_id>";a+="<end_of_transaction>true</end_of_transaction>";return a+="</properties></message>"};
 Object.defineProperty(CTATTutorMessageBuilder,"TRIGGER",{enumerable:!1,configurable:!1,writable:!1,value:"trigger"});Object.defineProperty(CTATTutorMessageBuilder,"SUBTYPE",{enumerable:!1,configurable:!1,writable:!1,value:"subtype"});Object.defineProperty(CTATTutorMessageBuilder,"TUTOR_PERFORMED",{enumerable:!1,configurable:!1,writable:!1,value:"tutor-performed"});Object.defineProperty(CTATTutorMessageBuilder,"HINT",{enumerable:!1,configurable:!1,writable:!1,value:"Hint"});
-Object.defineProperty(CTATTutorMessageBuilder,"CORRECT",{enumerable:!1,configurable:!1,writable:!1,value:"Correct"});CTATTutorMessageBuilder.prototype.constructor=CTATTutorMessageBuilder;"undefined"!==typeof module&&(module.exports=CTATTutorMessageBuilder);var CTATLMS={identifier:null,initLMSConnection:function(){},closeLMSConnection:function(){},setValue:function(a,b){},getValue:function(a){return null},saveProblemState:function(a){},getProblemState:function(a){return a(null)},gradeStudent:function(a,b){},logEvent:function(a){},processProblemSummary:function(a){},is:{},init:{}};
+Object.defineProperty(CTATTutorMessageBuilder,"CORRECT",{enumerable:!1,configurable:!1,writable:!1,value:"Correct"});CTATTutorMessageBuilder.prototype.constructor=CTATTutorMessageBuilder;"undefined"!==typeof module&&(module.exports=CTATTutorMessageBuilder);var CTATLMS={identifier:null,initLMSConnection:function(){},closeLMSConnection:function(){},setValue:function(a,g){},getValue:function(a){return null},saveProblemState:function(a){},getProblemState:function(a){CTATConfiguration.get("restoreProblemUrl")?$.get(CTATConfiguration.get("restoreProblemUrl"),"",null,"text").done(function(g){a(g)}).fail(function(g,f,d){a(null);g=(new CTATTutorMessageBuilder).createErrorMessage("Load ProblemState Error",f+" "+d);CTAT.ToolTutor.sendToInterface(g,!0)}):a(null)},
+gradeStudent:function(a,g){},logEvent:function(a){},processProblemSummary:function(a){},is:{},init:{}};
 CTATLMS.init.StandAlone=function(){CTATLMS.identifier=null;CTATLMS.initLMSConnection=function(){};CTATLMS.closeLMSConnection=function(){};CTATLMS.commit=function(){};CTATLMS.setValue=function(){};CTATLMS.getValue=function(){return null};CTATLMS.logEvent=function(a){};CTATLMS.saveProblemState=function(){};CTATLMS.getProblemState=function(a){return a(null)};CTATLMS.gradeStudent=function(){};CTATLMS.processProblemSummary=function(){}};CTATLMS.is.SCORM=function(){return window.location.search&&/[?&;]mode=SCORM/i.test(window.location.search)};
-CTATLMS.init.SCORM=function(){var a=!1;CTATLMS.identifier="SCORM";CTATLMS.initLMSConnection=function(){if(!0!==a){window.parent.doLMSInitialize();var b=CTATLMS.getValue("cmi.core.lesson_status");CTATConfiguration.set("problem_state_status",b);"not attempted"==b&&CTATConfiguration.set("problem_state_status","incomplete");"passed"==b&&CTATConfiguration.set("problem_state_status","completed");"failed"==b&&CTATConfiguration.set("problem_state_status","incomplete");"browsed"==b&&CTATConfiguration.set("problem_state_status",
-"incomplete");CTATLMS.setValue("cmi.core.lesson_status","incomplete");a=!0}};CTATLMS.commit=window.parent.doLMSCommit;CTATLMS.closeLMSConnection=window.parent.doLMSFinish;CTATLMS.setValue=window.parent.doLMSSetValue;CTATLMS.getValue=window.parent.doLMSGetValue;CTATLMS.logEvent=function(a){};CTATLMS.saveProblemState=function(a){return CTATLMS.setValue("cmi.suspend_data",a.problem_state)};CTATLMS.getProblemState=function(a){var b=CTATLMS.getValue("cmi.suspend_data");return a(b)};CTATLMS.gradeStudent=
-function(a,e){CTATLMS.setValue("cmi.core.score.min",0);CTATLMS.setValue("cmi.core.score.max",100);return CTATLMS.setValue("cmi.core.score.raw",Number((a/e).toFixed(2).replace(/[.]/,"")))};CTATLMS.processProblemSummary=function(a){["cmi.core.lesson_status","cmi.core.score.raw","cmi.core.exit","cmi.core.session_time"].forEach(function(a){var b=this.getElementsByTagName(a);CTATLMS.setValue(a,$("<div>").html(b[0].innerHTML).text())},a);CTATLMS.commit();CTATLMS.closeLMSConnection()};CTATLMS.initLMSConnection()};
-CTATLMS.is.XBlock=function(){return window.location.search&&/[?&;]mode=XBlock/i.test(window.location.search)};
-CTATLMS.init.XBlock=function(){var a=document.referrer?(new URL(document.referrer)).origin:"";CTATLMS.identifier="XBlock";CTATLMS.initLMSConnection=function(){};CTATLMS.closeLMSConnection=function(){};CTATLMS.commit=function(){};CTATLMS.setValue=function(a,e){};CTATLMS.getValue=function(a){return null};CTATLMS.saveProblemState=function(b){parent.postMessage({action:"save_problem_state",input:window.btoa(b.problem_state)},a)};CTATLMS.getProblemState=function(a){return a(window.atob(CTATConfiguration.get("saveandrestore")))};
-CTATLMS.gradeStudent=function(b,e){parent.postMessage({action:"grade",input:{value:b,max:e}},a)};CTATLMS.logEvent=function(b){parent.postMessage({action:"log",input:b},a)};CTATLMS.processProblemSummary=function(a){}};CTATLMS.is.Authoring=function(){return window.location.search&&/[?&;]mode=AUTH(ORING)?/i.test(window.location.search)};CTATLMS.is.OLI=function(){return"OLI"==CTATConfiguration.get("CTATTarget")};CTATLMS.is.TutorShop=function(){return"TutorShop"==CTATConfiguration.get("LMS")};
-CTATLMS.init.TutorShop=function(){CTATLMS.identifier="TutorShop";CTATLMS.initLMSConnection=function(){};CTATLMS.closeLMSConnection=function(){};CTATLMS.commit=function(){};CTATLMS.setValue=function(a,b){};CTATLMS.getValue=function(a){return null};CTATLMS.logEvent=function(a){};CTATLMS.saveProblemState=function(a){if(CTATConfiguration.get("restoreProblemUrl")&&CTATConfiguration.get("curriculum_service_url")){a.session_id=a.session_id?a.session_id:"dummySession";var b=[],e;for(e in a)b.push(e+"="+encodeURIComponent(a[e]));
-$.post(CTATConfiguration.get("curriculum_service_url"),b.join("&"),null,"application/x-www-form-urlencoded")}};CTATLMS.getProblemState=function(a){CTATConfiguration.get("restoreProblemUrl")?$.get(CTATConfiguration.get("restoreProblemUrl"),"",null,"text").done(function(b){a(b)}).fail(function(b,e,g){a(null);b=(new CTATTutorMessageBuilder).createErrorMessage("Load ProblemState Error",e+" "+g);CTAT.ToolTutor.sendToInterface(b,!0)}):a(null)};CTATLMS.gradeStudent=function(){};CTATLMS.processProblemSummary=
-function(){}};CTATLMS.is.Assistments=function(){return CTATTarget&&"ASSISTMENTS"==CTATTarget};var bundleFormatter="",inBundle=!1,useBundling=!1,useOLIEncoding=!1,CTATCommLibrary=function(a,b){CTATBase.call(this,"CTATCommLibrary",a);var e=authenticityToken="",g=0,d=[],c=a?a:null,f=null==b?!0:b,h=!0,m=null,l=this,q="http",p="ERROR_CONN_TS",u="";this.setUseCommSettings=function(a){h=a};this.getUseCommSettings=function(){return h};this.setConnectionRefusedMessage=function(a){p=a};this.setSocketType=function(a){q=a};this.hasSecureSocket=function(){return/https/i.test(q)||/wss/i.test(q)};this.hasJavaScriptConnection=
-function(){return/javascript/i.test(q)};this.hasWebSocket=function(){return/websocket/i.test(q)};this.assignHandler=function(a){c=a};this.assignMessageListener=function(a){m=a};this.encodeVariables=function(a){l.ctatdebug("encodeVariables ()");for(var c="",b=0;b<a.length;b++){var d=a[b];0<b&&(c+="&");c+=d.name;c+="=";c+=encodeURIComponent(d.value)}return c};this.encodeVariablesOLI=function(a){l.ctatdebug("encodeVariablesOLI ()");for(var c="",b=0;b<a.length;b++){var d=a[b];0<b&&(c+="&");c+=d.name;
-c+="=";c+=encodeURIComponent(d.value)}return c};this.createConnection=function(a,c,b){l.ctatdebug("createConnection () canBeWebSocket "+b);b="undefined"==typeof b?!0:!1!==b;if(!c)return new CTATConnection(a);if(b&&l.hasWebSocket())return b=this.findWSConnection(c),b||(b=new CTATWSConnection(a),b.setID(g),b.setURL(c),b.assignReceiveFunction(this.processWSReply),b.assignCloseFunction(this.processWSClose),d.push(b),g++),b;b=new CTATConnection(a);b.setID(g);b.setURL(c);b.assignReceiveFunction(this.processReply);
-d.push(b);g++;return b};this.findWSConnection=function(a){ctatdebug("findWSConnection( "+a+" )");a=l.editSocketURLForHTTPS(a);for(var c=0;c<d.length;c++){var b=d[c];ctatdebug("checking: socketType = "+b.getSocketType()+" URL = "+b.getURL());if("ws"==b.getSocketType()&&b.getURL()==a)return b}return null};this.startBundle=function(){l.ctatdebug("startBundle ()");!1===useBundling?this.ctatdebug("Not using bundling, bump"):(bundleFormatter='<?xml version="1.0" encoding="UTF-8"?><message><verb/><properties><MessageType>MessageBundle</MessageType><messages>',
-inBundle=!0)};this.endBundle=function(){l.ctatdebug("endBundle ()");!1===useBundling?l.ctatdebug("Not using bundling, bump"):(inBundle=!1,bundleFormatter+="</messages></properties></message>",l.sendXML(bundleFormatter))};this.setFixedURL=function(a){e=a};this.getURL=function(){l.ctatdebug("getURL ()");if(""!==e)return l.ctatdebug("Returning fixedURL: "+e),e;var a=flashVars.getRawFlashVars(),c="http://";l.hasSecureSocket()&&(c="https://");c=c+a.remoteSocketURL+":"+a.remoteSocketPort;-1!=a.remoteSocketURL.indexOf("http")&&
-(c=a.remoteSocketURL+":"+a.remoteSocketPort);return c};this.sendXML=function(a,c){c="undefined"==typeof c?!0:!1!==c;l.ctatdebug("Sending: "+a);l.ctatdebug("sendXML ("+a+")");if(!0===useBundling&&!0===inBundle)l.ctatdebug("Bundling ..."),bundleFormatter+=a;else{bundleFormatter=a;flashVars.getRawFlashVars();var b=this.getURL(),d=bundleFormatter;-1==bundleFormatter.indexOf("<?xml")&&(d='<?xml version="1.0" encoding="UTF-8"?>'+bundleFormatter);this.getUseCommSettings()&&l.hasJavaScriptConnection()?(c&&
-l.hasWebSocket()&&this.send_post(b,d),CTAT.ToolTutor.sendToTutor(d)):this.send_post(b,d)}};this.sendXMLNoBundle=function(a){l.ctatdebug("sendXMLNoBundle ("+a+")");bundleFormatter=a;var c=this.getURL(),b=a;-1==a.indexOf("<?xml")&&(b='<?xml version="1.0" encoding="UTF-8"?>'+a);flashVars.getRawFlashVars();this.getUseCommSettings()&&l.hasJavaScriptConnection()?(l.hasWebSocket()&&this.send_post(aURL,b),CTAT.ToolTutor.sendToTutor(b)):this.send_post(c,b)};this.sendXMLURL=function(a,c,b){ctatdebug("sendXMLURL ("+
-c+")");var d=a;-1==a.indexOf("<?xml")&&(d='<?xml version="1.0" encoding="UTF-8"?>'+a);flashVars.getRawFlashVars();l.ctatdebug("Sending: "+d);if(this.getUseCommSettings()&&l.hasJavaScriptConnection()){if(l.hasWebSocket()&&(this.send_post(c,d),b))return;CTAT.ToolTutor.sendToTutor(d)}else this.send_post(c,d)};this.send=function(a){l.ctatdebug("send ("+a+")");if(!0===CTATGlobals.CommDisabled)l.ctatdebug("Communications globally disabled, please check your settings");else{var c=new CTATConnection(null);
-c.setID(g);g++;if(null===c.getHTTPObject())return alert("Cannot create XMLHTTP instance"),!1;d.push(c);c.setURL(a);c.assignReceiveFunction(this.processReply);try{c.getHTTPObject().open("GET",a,!0)}catch(n){this.ctatdebug("Error in newConnection.httpObject.open: "+n.message);return}try{c.init()}catch(n){this.ctatdebug("Error in newConnection.init: "+n.message);return}try{c.getHTTPObject().send(null)}catch(n){this.ctatdebug("Error in newConnection.httpObject.send: "+n.message)}}};this.send_post_variables=
-function(a,c){l.ctatdebug("send_post_variables ("+a+")");flashVars.getRawFlashVars();var b;b=!1===useOLIEncoding?this.encodeVariables(c):this.encodeVariablesOLI(c);this.ctatdebug("Sending: "+b);if(!0===CTATGlobals.CommDisabled)l.ctatdebug("Communications globally disabled, please check your settings");else{var f=l.createConnection(CTATConfiguration.getRawFlashVars(),a,!1);f.setContentType("application/x-www-form-urlencoded");g++;d.push(f);l.ctatdebug(b);null!==m&&m.processOutgoing(b);f.setURL(a);
-f.setData(b);f.assignReceiveFunction(this.processReply);f.send()}};this.send_post=function(a,c){var b;ctatdebug("send_post ("+a+")");if(!0===CTATGlobals.CommDisabled)l.ctatdebug("Communications globally disabled, please check your settings");else{ctatdebug("Outoing on wire: "+c);b=flashVars.getRawFlashVars();var d=a;l.hasWebSocket()?(ctatdebug("opening websocket connection: url "+a),d=a.replace("http:","ws:"),d=l.editSocketURLForHTTPS(d),ctatdebug("opening websocket connection to "+d),b=l.createConnection(b,
-d),b.setData(c),l.ctatdebug(c)):(b=l.createConnection(b,d),b.setData(c));null!==m&&m.processOutgoing(c);b.send()}};this.processReply=function(a){l.ctatdebug("processReply ("+d.length+","+a+")");var b=0,e;a=[];var g;for(g=0;g<d.length;g++){var h=d[g];if(h&&"function"==typeof h.getHTTPObject){var r=h.getHTTPObject();l.ctatdebug("Testing connection entry "+g+", readyState: "+r.readyState+", consumed: "+h.getConsumed()+", status: "+r.status);4==r.readyState&&!1===h.getConsumed()?(l.ctatdebug("Investigating request response: "+
-b+" -> "+r.status+", for: "+h.getURL()),e=!1,0===r.status&&(e=!0,l.ctatdebug("Received message (status 0): ("+r.responseText+"), status: "+r.status),f&&CTATScrim.scrim.errorScrimUp(CTATGlobals.languageManager.filterString(p))),408==r.status&&(e=!0,l.ctatdebug("Received message (status 408): "+r.responseText),f&&CTATScrim.scrim.scrimDown()),502==r.status&&(e=!0,l.ctatdebug("Received message (status 502): "+r.responseText),f&&CTATScrim.scrim.errorScrimUp(CTATGlobals.languageManager.filterString(ERROR_502))),
-200==r.status?(e=!0,l.ctatdebug("Processing 200 response ..."),null!==c?(a.push(r.responseText),null!==m&&m.processIncoming(r.responseText)):l.ctatdebug("Error: httphandler is null, can't process response!")):c&&c.processError&&(e=!0,l.ctatdebug("Processing non-200 response, status "+r.status),c.processError(r.status,r.responseText)),!1===e&&l.ctatdebug("Error: status not handled for: "+r.status),l.ctatdebug("Marking connection as consumed ..."),h.setConsumed(!0)):(0===r.readyState&&l.ctatdebug("Received message (status 0, request not initialized)"),
-1===r.readyState&&l.ctatdebug("Received message (status 1, server connection established)"),2===r.readyState&&l.ctatdebug("Received message (status 2, request received)"),3===r.readyState&&l.ctatdebug("Received message (status 3, processing request)"));b++}}l.cleanup();for(b=0;b<a.length;b++)l.ctatdebug("Processing incoming message: "+b),e=a[b],-1!=e.indexOf("status=success")?l.ctatdebug("Info: logging success message received, not propagating to message handler"):(l.ctatdebug("Processing incoming message: "+
-e),c.processMessage(e))};this.processWSReply=function(a){l.ctatdebug("processWSReply() length "+(null===a?null:a.toString().length));"string"==typeof a&&(null!==m&&m.processIncoming(a),-1!=a.indexOf("status=success")?l.ctatdebug("processWSReply() logging success message received, not propagating to message handler: "+a):(l.ctatdebug("Processing incoming message: "+a),c.processMessage(a)))};this.processWSClose=function(a){l.ctatdebug("processWSClose("+a+")");a instanceof CloseEvent&&l.ctatdebug("CloseEvent: code "+
-a.code+", reason "+a.reason+", wasClean "+a.wasClean);CTATLMS.is.Authoring()?CTATScrim.scrim.scrimUp(CTATGlobals.languageManager.filterString("AUTHORPLEASECLOSE")):CTATScrim.scrim.handleTSDisconnect()};this.cleanup=function(){l.ctatdebug("cleanup ()");for(var a=0,c,b=!1;!1===b;)c=this.checkEntries(),!1===c?b=!0:a++;l.ctatdebug("Removed "+a+" entries")};this.checkEntries=function(){l.ctatdebug("checkEntries ("+d.length+")");var a=0,c;for(c=0;c<d.length;c++){var b=d[c];if(b){if(!0===b.getConsumed())return l.ctatdebug("Removing : "+
-b.getID()),d.splice(a,1),!0;if("function"==typeof b.getHTTPObject){var f=b.getHTTPObject();l.ctatdebug("Check, readyState: "+f.readyState+", consumed: "+b.getConsumed())}a++}}return!1};this.retrieveXMLFile=function(a,c,b){l.ctatdebug("retrieveXMLFile ("+a+")");if(location.href){if(l.ctatdebug("Location: "),-1!=location.href.toLowerCase().indexOf("file://")){a=(new CTATTutorMessageBuilder).createErrorMessage("","You have loaded your tutor directly from the file system, please do not load a tutor using file://. Please use the CTAT Authoring Tools to launch the html file.");
-l.ctatdebug("onerror GET for xmlFile "+a);CTAT.ToolTutor.sendToInterface(a,!0);return}}else l.ctatdebug("We can't check location.href in the current configuration");if(-1!=a.toLowerCase().indexOf("file://"))a=(new CTATTutorMessageBuilder).createErrorMessage("","Unable to load: "+a+" - You are trying to use the file:// protocol, which is not allowed in this browser."),l.ctatdebug("onerror GET for xmlFile "+a),CTAT.ToolTutor.sendToInterface(a,!0);else{u=a;var d=(new CTATConnection).getHTTPObject();
-d.onreadystatechange=function(){l.ctatdebug("onready... GET for xmlFile xmlhttp.readyState "+d.readyState+", .status "+d.status+", parser "+c);if(4==d.readyState){if(200==d.status){var a;d.responseXML?(l.ctatdebug("parsing brd xml using something else"),a=d.responseXML.documentElement):(l.ctatdebug("parsing brd xml using node"),a=(c=new CTATXML).parseXML(d.responseText));if(null===a){a=(new CTATTutorMessageBuilder).createErrorMessage("Error parsing xmlFile "+u);l.ctatdebug("Error parsing xmlFile "+
-u+": "+a);CTAT.ToolTutor.sendToInterface(a,!0);return}b.processXML(a)}404==d.status&&(a=(new CTATTutorMessageBuilder).createErrorMessage("Unable to download file","("+u+") not found"),l.ctatdebug("Error loading xmlFile "+u+": "+a),CTAT.ToolTutor.sendToInterface(a,!0))}};d.onerror=function(){var a=(new CTATTutorMessageBuilder).createErrorMessage("","Unable to load: "+u+" - Either you are trying to use the  file:// protocol, there is a firewall between the tutor and BRD, or the BRD is on a different domain and permission to retrieve data from that server is denied.");
-l.ctatdebug("onerror GET for xmlFile "+a);CTAT.ToolTutor.sendToInterface(a,!0);b.processXML(null)};d.open("GET",a,!0);d.setRequestHeader("Content-type","text/plain");d.send()}};this.retrieveJSONFile=function(a,c){l.ctatdebug("retrieveJSONFile ("+a+")");if(location.href){if(l.ctatdebug("Location: "),-1!=location.href.toLowerCase().indexOf("file://")){var b=(new CTATTutorMessageBuilder).createErrorMessage("","You have loaded your tutor directly from the file system, please do not load a tutor using file://. Please use the CTAT Authoring Tools to launch the html file.");
-l.ctatdebug("onerror GET for xmlFile "+b);CTAT.ToolTutor.sendToInterface(b,!0);return}}else l.ctatdebug("We can't check location.href in the current configuration");if(-1!=a.toLowerCase().indexOf("file://"))b=(new CTATTutorMessageBuilder).createErrorMessage("","Unable to load: "+a+" - You are trying to use the file:// protocol, which is not allowed in this browser."),l.ctatdebug("onerror GET for xmlFile "+b),CTAT.ToolTutor.sendToInterface(b,!0);else{u=a;var d=(new CTATConnection).getHTTPObject();
-d.onreadystatechange=function(){4==d.readyState&&200==d.status&&(l.ctatdebug("Successfully retrieved file: "+a),c(JSON.parse(d.responseText)))};d.onerror=function(){var a=(new CTATTutorMessageBuilder).createErrorMessage("","Unable to load: "+u+" - Either you are trying to use the  file:// protocol, there is a firewall between the tutor and BRD, or the BRD is on a different domain and permission to retrieve data from that server is denied.");l.ctatdebug("onerror GET for xmlFile "+a);CTAT.ToolTutor.sendToInterface(a,
-!0)};d.open("GET",a,!0);d.setRequestHeader("Content-type","text/plain");d.send()}};this.retrieveFile=function(a,c){l.ctatdebug("retrieveFile ("+a+")");if(location.href){if(l.ctatdebug("Location: "),-1!=location.href.toLowerCase().indexOf("file://")){var b=(new CTATTutorMessageBuilder).createErrorMessage("","You have loaded your tutor directly from the file system, please do not load a tutor using file://. Please use the CTAT Authoring Tools to launch the html file.");l.ctatdebug("onerror GET for xmlFile "+
-b);CTAT.ToolTutor.sendToInterface(b,!0);return}}else l.ctatdebug("We can't check location.href in the current configuration");if(-1!=a.toLowerCase().indexOf("file://"))b=(new CTATTutorMessageBuilder).createErrorMessage("","Unable to load: "+a+" - You are trying to use the file:// protocol, which is not allowed in this browser."),l.ctatdebug("onerror GET for xmlFile "+b),CTAT.ToolTutor.sendToInterface(b,!0);else{u=a;var d=(new CTATConnection).getHTTPObject();d.onreadystatechange=function(){4==d.readyState&&
-200==d.status&&(l.ctatdebug("Successfully retrieved file: "+a),c(d.responseText))};d.onerror=function(){var a=(new CTATTutorMessageBuilder).createErrorMessage("","Unable to load: "+u+" - Either you are trying to use the  file:// protocol, there is a firewall between the tutor and BRD, or the BRD is on a different domain and permission to retrieve data from that server is denied.");l.ctatdebug("onerror GET for xmlFile "+a);CTAT.ToolTutor.sendToInterface(a,!0)};d.open("GET",a,!0);d.setRequestHeader("Content-type",
-"text/plain");d.send()}}};CTATCommLibrary.setAuthenticityToken=function(a){Array.isArray(a)&&(a=0<a.length?a[0]:"");a&&(CTATCommLibrary.authenticityToken=decodeURIComponent(a))};CTATCommLibrary.getAuthenticityToken=function(a){return CTATCommLibrary.authenticityToken};
+CTATLMS.init.SCORM=function(){var a=!1;CTATLMS.identifier="SCORM";CTATLMS.initLMSConnection=function(){if(!0!==a){window.parent.doLMSInitialize();var g=CTATLMS.getValue("cmi.core.lesson_status");CTATConfiguration.set("problem_state_status",g);"not attempted"==g&&CTATConfiguration.set("problem_state_status","incomplete");"passed"==g&&CTATConfiguration.set("problem_state_status","completed");"failed"==g&&CTATConfiguration.set("problem_state_status","incomplete");"browsed"==g&&CTATConfiguration.set("problem_state_status",
+"incomplete");CTATLMS.setValue("cmi.core.lesson_status","incomplete");a=!0}};CTATLMS.commit=window.parent.doLMSCommit;CTATLMS.closeLMSConnection=window.parent.doLMSFinish;CTATLMS.setValue=window.parent.doLMSSetValue;CTATLMS.getValue=window.parent.doLMSGetValue;CTATLMS.logEvent=function(a){};CTATLMS.saveProblemState=function(a){return CTATLMS.setValue("cmi.suspend_data",a.problem_state)};CTATLMS.getProblemState=function(a){var f=CTATLMS.getValue("cmi.suspend_data");if(!f&&window.parent&&"function"==
+typeof window.parent.doLMSGetLastError){var d=window.parent.doLMSGetLastError();if(0!=d)return console.log("Empty result with error "+d+" from LMS.getValue('cmi.suspend_data'):",window.parent.doLMSGetErrorString?window.parent.doLMSGetErrorString(d):""),a(null)}return a(f)};CTATLMS.gradeStudent=function(a,f){CTATLMS.setValue("cmi.core.score.min",0);CTATLMS.setValue("cmi.core.score.max",100);return CTATLMS.setValue("cmi.core.score.raw",Number((a/f).toFixed(2).replace(/[.]/,"")))};CTATLMS.processProblemSummary=
+function(a){["cmi.core.lesson_status","cmi.core.score.raw","cmi.core.exit","cmi.core.session_time"].forEach(function(a){var d=this.getElementsByTagName(a);CTATLMS.setValue(a,$("<div>").html(d[0].innerHTML).text())},a);CTATLMS.commit();CTATLMS.closeLMSConnection()};CTATLMS.initLMSConnection()};CTATLMS.is.XBlock=function(){return window.location.search&&/[?&;]mode=XBlock/i.test(window.location.search)};
+CTATLMS.init.XBlock=function(){var a=document.referrer?(new URL(document.referrer)).origin:"";CTATLMS.identifier="XBlock";CTATLMS.initLMSConnection=function(){};CTATLMS.closeLMSConnection=function(){};CTATLMS.commit=function(){};CTATLMS.setValue=function(a,f){};CTATLMS.getValue=function(a){return null};CTATLMS.saveProblemState=function(g){parent.postMessage({action:"save_problem_state",input:window.btoa(g.problem_state)},a)};CTATLMS.getProblemState=function(a){return a(window.atob(CTATConfiguration.get("saveandrestore")))};
+CTATLMS.gradeStudent=function(g,f){parent.postMessage({action:"grade",input:{value:g,max:f}},a)};CTATLMS.logEvent=function(g){parent.postMessage({action:"log",input:g},a)};CTATLMS.processProblemSummary=function(a){}};CTATLMS.is.Authoring=function(){return window.location.search&&/[?&;]mode=AUTH(ORING)?/i.test(window.location.search)};CTATLMS.is.ToolsListener=function(){return window.location.search&&/[?&;]mode=ctatAsListener/i.test(window.location.search)};CTATLMS.is.OLI=function(){return"OLI"==CTATConfiguration.get("CTATTarget")};
+CTATLMS.is.TutorShop=function(){return"TutorShop"==CTATConfiguration.get("LMS")};
+CTATLMS.init.TutorShop=function(){CTATLMS.identifier="TutorShop";CTATLMS.initLMSConnection=function(){};CTATLMS.closeLMSConnection=function(){};CTATLMS.commit=function(){};CTATLMS.setValue=function(a,g){};CTATLMS.getValue=function(a){return null};CTATLMS.logEvent=function(a){};CTATLMS.saveProblemState=function(a){if(CTATConfiguration.get("restoreProblemUrl")&&CTATConfiguration.get("curriculum_service_url")){a.session_id=a.session_id?a.session_id:"dummySession";var g=[],f;for(f in a)g.push(f+"="+encodeURIComponent(a[f]));
+$.post(CTATConfiguration.get("curriculum_service_url"),g.join("&"),null,"application/x-www-form-urlencoded")}};CTATLMS.getProblemState=function(a){CTATConfiguration.get("restoreProblemUrl")?$.get(CTATConfiguration.get("restoreProblemUrl"),"",null,"text").done(function(g){a(g)}).fail(function(g,f,d){a(null);g=(new CTATTutorMessageBuilder).createErrorMessage("Load ProblemState Error",f+" "+d);CTAT.ToolTutor.sendToInterface(g,!0)}):a(null)};CTATLMS.gradeStudent=function(){};CTATLMS.processProblemSummary=
+function(){}};CTATLMS.is.Assistments=function(){return CTATTarget&&"ASSISTMENTS"==CTATTarget};var bundleFormatter="",inBundle=!1,useBundling=!1,useOLIEncoding=!1,CTATCommLibrary=function(a,g){CTATBase.call(this,"CTATCommLibrary",a);var f=authenticityToken="",d=0,c=[],b=null,e=a?a:null,h=null==g?!0:g,l=!0,m=null,n=this,p="http",v="ERROR_CONN_TS",q="";this.setUseCommSettings=function(b){l=b};this.getUseCommSettings=function(){return l};this.setConnectionRefusedMessage=function(b){v=b};this.setSocketType=function(b){p=b};this.hasSecureSocket=function(){return/https/i.test(p)||/wss/i.test(p)};
+this.hasJavaScriptConnection=function(){return/javascript/i.test(p)};this.hasWebSocket=function(){return/websocket/i.test(p)};this.assignHandler=function(b){e=b};this.assignMessageListener=function(b){m=b};this.encodeVariables=function(b){n.ctatdebug("encodeVariables ()");for(var a="",e=0;e<b.length;e++){var c=b[e];0<e&&(a+="&");a+=c.name;a+="=";a+=encodeURIComponent(c.value)}return a};this.encodeVariablesOLI=function(b){n.ctatdebug("encodeVariablesOLI ()");for(var a="",e=0;e<b.length;e++){var c=
+b[e];0<e&&(a+="&");a+=c.name;a+="=";a+=encodeURIComponent(c.value)}return a};this.createConnection=function(a,e,f){n.ctatdebug("createConnection () canBeWebSocket "+f);f="undefined"==typeof f?!0:!1!==f;if(!e)return new CTATConnection(a);if(f&&n.hasWebSocket())return f=this.findWSConnection(e),f||(f=new CTATWSConnection(a),f.setID(d),f.setURL(e),f.assignReceiveFunction(this.processWSReply),f.assignCloseFunction(this.processWSClose),c.push(f),d++),f;f=new CTATConnection(a);f.setID(d);f.setURL(e);f.assignReceiveFunction(n.processReply);
+c.push(f);d++;return b=f};this.findWSConnection=function(b){ctatdebug("findWSConnection( "+b+" )");b=n.editSocketURLForHTTPS(b);for(var a=0;a<c.length;a++){var e=c[a];ctatdebug("checking: socketType = "+e.getSocketType()+" URL = "+e.getURL());if("ws"==e.getSocketType()&&e.getURL()==b)return e}return null};this.startBundle=function(){n.ctatdebug("startBundle ()");!1===useBundling?this.ctatdebug("Not using bundling, bump"):(bundleFormatter='<?xml version="1.0" encoding="UTF-8"?><message><verb/><properties><MessageType>MessageBundle</MessageType><messages>',
+inBundle=!0)};this.endBundle=function(){n.ctatdebug("endBundle ()");!1===useBundling?n.ctatdebug("Not using bundling, bump"):(inBundle=!1,bundleFormatter+="</messages></properties></message>",n.sendXML(bundleFormatter))};this.setFixedURL=function(b){f=b};this.getURL=function(){n.ctatdebug("getURL ()");if(""!==f)return n.ctatdebug("Returning fixedURL: "+f),f;var b=flashVars.getRawFlashVars(),a="http://";n.hasSecureSocket()&&(a="https://");a=a+b.remoteSocketURL+":"+b.remoteSocketPort;-1!=b.remoteSocketURL.indexOf("http")&&
+(a=b.remoteSocketURL+":"+b.remoteSocketPort);return a};this.sendXML=function(b,a){n.ctatdebug("Sending: "+b);n.ctatdebug("sendXML ("+b+")");e.updateLastActionTimestamp&&e.updateLastActionTimestamp();if(!0===useBundling&&!0===inBundle)n.ctatdebug("Bundling ..."),bundleFormatter+=b;else{bundleFormatter=b;flashVars.getRawFlashVars();var c=this.getURL(),d=bundleFormatter;-1==bundleFormatter.indexOf("<?xml")&&(d='<?xml version="1.0" encoding="UTF-8"?>'+bundleFormatter);n.getUseCommSettings()&&n.hasJavaScriptConnection()?
+(n.sendToToolsOrCollaborators(c,d,a),CTAT.ToolTutor.sendToTutor(d)):n.send_post(c,d)}};this.sendToToolsOrCollaborators=function(b,a,e){return!n.hasWebSocket()||"ctatAsListener"!=CTATConfiguration.get("mode")&&"undefined"!=typeof e&&!1===e?!1:(this.send_post(b,a),!0)};this.sendXMLNoBundle=function(b){n.ctatdebug("sendXMLNoBundle ("+b+")");bundleFormatter=b;e.updateLastActionTimestamp&&e.updateLastActionTimestamp();var a=this.getURL(),c=b;-1==b.indexOf("<?xml")&&(c='<?xml version="1.0" encoding="UTF-8"?>'+
+b);flashVars.getRawFlashVars();n.getUseCommSettings()&&n.hasJavaScriptConnection()?(n.sendToToolsOrCollaborators(a,c),CTAT.ToolTutor.sendToTutor(c)):this.send_post(a,c)};this.sendXMLURL=function(b,a,c){ctatdebug("sendXMLURL ("+a+", "+c+")");var d=b;-1==b.indexOf("<?xml")&&(d='<?xml version="1.0" encoding="UTF-8"?>'+b);flashVars.getRawFlashVars();n.ctatdebug("Sending: "+d);e.updateLastActionTimestamp&&e.updateLastActionTimestamp();this.getUseCommSettings()&&n.hasJavaScriptConnection()?(n.sendToToolsOrCollaborators(a,
+d),c||CTAT.ToolTutor.sendToTutor(d)):this.send_post(a,d)};this.send_post_variables=function(b,a){n.ctatdebug("send_post_variables ("+b+")");flashVars.getRawFlashVars();var c;c=!1===useOLIEncoding?this.encodeVariables(a):this.encodeVariablesOLI(a);this.ctatdebug("Sending: "+c);e.updateLastActionTimestamp&&e.updateLastActionTimestamp();if(!0===CTATGlobals.CommDisabled)n.ctatdebug("Communications globally disabled, please check your settings");else{var d=n.createConnection(CTATConfiguration.getRawFlashVars(),
+b,!1);d.setContentType("application/x-www-form-urlencoded");n.ctatdebug("CTATCommLibrary.send_post_variables() data to send:\n  "+c);null!==m&&m.processOutgoing(c);d.setURL(b);d.setData(c);d.assignReceiveFunction(n.processReply);d.send()}};this.send_post=function(b,a){var e;ctatdebug("send_post ("+b+")");if(!0===CTATGlobals.CommDisabled)n.ctatdebug("Communications globally disabled, please check your settings");else{ctatdebug("Outoing on wire: "+a);e=flashVars.getRawFlashVars();var c=b;n.hasWebSocket()?
+(ctatdebug("opening websocket connection: url "+b),c=b.replace(/https?:/,"ws:"),c=n.editSocketURLForHTTPS(c),ctatdebug("opening websocket connection to "+c),e=n.createConnection(e,c),e.setData(a),n.ctatdebug(a)):(e=n.createConnection(e,c),e.setData(a));null!==m&&m.processOutgoing(a);e.send()}};this.processReply=function(b,a,d){n.ctatdebug("processReply ("+c.length+","+b+", ...)");"undefined"==typeof d&&"function"==typeof this.getHTTPObject&&this.getHTTPObject();a=0;b=[];var f;for(f=0;f<c.length;f++){var g=
+c[f];if(g&&"function"==typeof g.getHTTPObject){var l=g.getHTTPObject();n.ctatdebug("Testing connection entry["+f+"]: readyState & status: "+(l?l.readyState+" & "+l.status:"null")+", consumed: "+g.getConsumed());l&&(4==l.readyState&&!1===g.getConsumed()?(n.ctatdebug("Investigating request response: "+a+" -> "+l.status+", for: "+g.getURL()),d=!1,0===l.status&&(d=!0,n.ctatdebug("Received message (status 0): ("+l.responseText+"), status: "+l.status),h&&CTATScrim.scrim.errorScrimUp(CTATGlobals.languageManager.filterString(v))),
+408==l.status&&(d=!0,n.ctatdebug("Received message (status 408): "+l.responseText),h&&CTATScrim.scrim.scrimDown()),502==l.status&&(d=!0,n.ctatdebug("Received message (status 502): "+l.responseText),h&&CTATScrim.scrim.errorScrimUp(CTATGlobals.languageManager.filterString(ERROR_502))),200==l.status?(d=!0,n.ctatdebug("Processing 200 response ..."),null!==e?(b.push(l.responseText),null!==m&&m.processIncoming(l.responseText)):n.ctatdebug("Error: httphandler is null, can't process response!")):e&&e.processError&&
+(d=!0,n.ctatdebug("Processing non-200 response, status "+l.status),e.processError(l.status,l.responseText)),!1===d&&n.ctatdebug("Error: status not handled for: "+l.status),n.ctatdebug("Marking connection as consumed ..."),g.setConsumed(!0)):(0===l.readyState&&n.ctatdebug("Received message (status 0, request not initialized)"),1===l.readyState&&n.ctatdebug("Received message (status 1, server connection established)"),2===l.readyState&&n.ctatdebug("Received message (status 2, request received)"),3===
+l.readyState&&n.ctatdebug("Received message (status 3, processing request)")),a++)}}n.cleanup();for(a=0;a<b.length;a++)n.ctatdebug("Processing incoming message: "+a),d=b[a],-1!=d.indexOf("status=success")?n.ctatdebug("Info: logging success message received, not propagating to message handler"):(n.ctatdebug("Processing incoming message: "+d),e.processMessage(d))};this.processWSReply=function(b){n.ctatdebug("processWSReply() length "+(null===b?null:b.toString().length));"string"==typeof b&&(null!==
+m&&m.processIncoming(b),-1!=b.indexOf("status=success")?n.ctatdebug("processWSReply() logging success message received, not propagating to message handler: "+b):(n.ctatdebug("Processing incoming message: "+b),e.processMessage(b)))};this.processWSClose=function(b){n.ctatdebug("processWSClose("+b+")");b instanceof CloseEvent&&n.ctatdebug("CloseEvent: code "+b.code+", reason "+b.reason+", wasClean "+b.wasClean);CTATLMS.is.Authoring()||CTATLMS.is.ToolsListener()?CTATScrim.scrim.scrimUp(CTATGlobals.languageManager.filterString("AUTHORPLEASECLOSE")):
+CTATScrim.scrim.handleTSDisconnect()};this.cleanup=function(){n.ctatdebug("cleanup ()");n.ctatdebug("checkEntries() httprequests.length "+c.length);for(var b=0,a=c.length-1;0<=a;a--){var e=c[a];if(e)if(!0===e.getConsumed())n.ctatdebug("checkEntries() removing["+a+"] ID: "+e.getID()),c.splice(a,1),b++;else if("function"==typeof e.getHTTPObject){var d=e.getHTTPObject();n.ctatdebug("checkEntries() checking["+a+"], readyState: "+(d?d.readyState:"null")+", consumed: "+e.getConsumed())}}n.ctatdebug("Removed "+
+b+" entries")};this.retrieveProblemFile=function(b,a,e){var c=/\.([A-z]*)$/.exec(b);c&&c[1]&&"nools"===c[1].toLowerCase()?(console.log("got a nools file:",b),e.processNools(b)):(console.log("got an xml file, maybe:",b),this.retrieveXMLFile(b,a,e))};this.getFileRequest=function(b,a,e){var c=-1!=(location.href?location.href:b).indexOf("file://")?!0:!1;location.href||n.ctatdebug("We can't check location.href in the current configuration");if(c)e=(new CTATTutorMessageBuilder).createErrorMessage("","Unable to load: "+
+b+" - You are trying to use the file:// protocol, which is not allowed in this browser."),n.ctatdebug("onerror GET for fileName "+e),CTAT.ToolTutor.sendToInterface(e,!0);else return q=b,b=new CTATConnection,b.assignReceiveFunction(function(b,e,c){"undefined"==typeof c&&(c="function"==typeof this.getHTTPObject&&this.getHTTPObject());n.ctatdebug("onready... GET for xmlFile xmlhttp "+c+", .readyState & .status "+(c?c.readyState+" & "+c.status:""));c&&4!=c.readyState||(c&&200==c.status&&a(c),c&&404==
+c.status&&(b=(new CTATTutorMessageBuilder).createErrorMessage("Unable to download file","("+q+") not found"),n.ctatdebug("Error loading xmlFile "+q+": "+b),CTAT.ToolTutor.sendToInterface(b,!0)))}),b.assignFailFunction(e),b};this.retrieveXMLFile=function(b,a,e){n.ctatdebug("retrieveXMLFile ("+b+")");a=this.getFileRequest(b,function(b){b.responseXML?(n.ctatdebug("parsing brd xml using something else"),b=b.responseXML.documentElement):(n.ctatdebug("parsing brd xml using node"),b=(new CTATXML).parseXML(b.responseText));
+null===b?(b=(new CTATTutorMessageBuilder).createErrorMessage("Error parsing xmlFile "+q),n.ctatdebug("Error parsing xmlFile "+q+": "+b),CTAT.ToolTutor.sendToInterface(b,!0)):e.processXML(b)},function(){var b=(new CTATTutorMessageBuilder).createErrorMessage("","Unable to load: "+q+" - Either you are trying to use the  file:// protocol, there is a firewall between the tutor and BRD, or the BRD is on a different domain and permission to retrieve data from that server is denied.");n.ctatdebug("onerror GET for xmlFile "+
+b);CTAT.ToolTutor.sendToInterface(b,!0);e.processXML(null)});a.setMethod("GET");a.setURL(b);a.setContentType("text/plain");a.send()};this.retrieveJSONFile=function(b,a){n.ctatdebug("retrieveJSONFile ("+b+")");var e=this.getFileRequest(b,function(){4==e.readyState&&200==e.status&&(n.ctatdebug("Successfully retrieved file: "+b),a(JSON.parse(e.responseText)))},function(){var b=(new CTATTutorMessageBuilder).createErrorMessage("","Unable to load: "+q+" - Either you are trying to use the  file:// protocol, there is a firewall between the tutor and BRD, or the BRD is on a different domain and permission to retrieve data from that server is denied.");
+n.ctatdebug("onerror GET for xmlFile "+b);CTAT.ToolTutor.sendToInterface(b,!0)});e.open("GET",b,!0);e.setRequestHeader("Content-type","text/plain");e.send()};this.retrieveFile=function(b,a){n.ctatdebug("retrieveFile ("+b+")");var e=this.getFileRequest(b,function(){4==e.readyState&&200==e.status&&(n.ctatdebug("Successfully retrieved file: "+b),a(e.responseText))},function(){var b=(new CTATTutorMessageBuilder).createErrorMessage("","Unable to load: "+q+" - Either you are trying to use the  file:// protocol, there is a firewall between the tutor and BRD, or the BRD is on a different domain and permission to retrieve data from that server is denied.");
+n.ctatdebug("onerror GET for xmlFile "+b);CTAT.ToolTutor.sendToInterface(b,!0)});e.open("GET",b,!0);e.setRequestHeader("Content-type","text/plain");e.send()};this.then=function(a,e){return b&&"function"==typeof b.then?b.then(a,e):{then:function(){console.log("CTATCommLibrary.then() not supported")}}}};CTATCommLibrary.setAuthenticityToken=function(a){Array.isArray(a)&&(a=0<a.length?a[0]:"");a&&(CTATCommLibrary.authenticityToken=decodeURIComponent(a))};CTATCommLibrary.getAuthenticityToken=function(a){return CTATCommLibrary.authenticityToken};
 CTATCommLibrary.addAuthenticityToken=function(a){return CTATCommLibrary.authenticityToken&&(""===a||0>a.search(/authenticity_token=/)&&0<=a.search(/^[?]?[^?&=><]+=?[^&=]*(&[^?&=><]+=?[^&=]*)*$/))?""+a+(a?"&":"")+"authenticity_token="+encodeURIComponent(CTATCommLibrary.authenticityToken):a};CTATCommLibrary.prototype=Object.create(CTATBase.prototype);CTATCommLibrary.prototype.constructor=CTATCommLibrary;
-CTATCommLibrary.prototype.editSocketURLForHTTPS=function(a){if(a&&"https:"===window.top.location.protocol){ctatdebug("We're embedded in an https window, using wss...");a=a.replace("ws:","wss:");var b=CTATConfiguration.get("remoteSocketSecurePort");b&&(a=a.replace(/(wss:\/\/[^:]{1,}:)\d{1,}/,"$1"+b));ctatdebug("url after replace: "+a)}return a};var CTATSequencer=function(){CTATBase.call(this,"CTATSequencer","sequencer");var a=this,b=new CTATPackage,e=new CTATXML,g=null,d="sequential",c=null;this.setAlgorithm=function(a){d=a};this.getAlgorithm=function(){return d};this.handlePackageRetrieval=function(d){a.ctatdebug("handlePackageRetrieval ()");b.init(d);null!=c&&c()};this.processXML=function(d){a.ctatdebug("parseXML ()");b.init(d);null!=c&&c()};this.init=function(b,d){a.ctatdebug("init ()");c=d;g=new CTATCommLibrary(null,!1);g.retrieveXMLFile(b,
-e,this)};this.getProblemSetSize=function(){a.ctatdebug("getProblemSetSize ()");var c=b.getProblemSets();return 0==c.length?(a.ctatdebug("Error: no problem sets available, trying list of problems directly ..."),b.getProblems().getProblemSize()):c[0].getProblemSize()};this.getFirstProblem=function(){a.ctatdebug("getFirstProblem ()");var c=b.getProblemSets();return 0==c.length?(a.ctatdebug("Error: no problem sets available, trying list of problems directly ..."),b.getProblems()[0]):c[0].getFirstProblem()};
-this.getProblemList=function(){a.ctatdebug("getProblemList ()");if(0==b.getProblemSets().length){a.ctatdebug("Error: no problem sets available, trying list of problems directly ...");var c=b.getProblems()}return c};this.getNextProblem=function(c){a.ctatdebug("getNextProblem ()")}};CTATSequencer.prototype=Object.create(CTATBase.prototype);CTATSequencer.prototype.constructor=CTATSequencer;var CTATActionEvaluationData=function(a){CTATBase.call(this,"CTATActionEvaluationData","actionevaluation");var b=0,e=0,g="",d=a;this.setClassification=function(a){this.classification=a};this.isHint=function(){return"HINT"==d};this.hasClassification=function(){return!0};this.setCurrentHintNumber=function(a){b=a};this.setTotalHintsAvailable=function(a){e=a};this.setHintID=function(a){g=a};this.getClassification=function(){return""};this.setEvaluation=function(a){d=a};this.getEvaluation=function(){return d};
-this.getAttributeString=function(){var a="";if(!this.isHint())return a;a+='current_hint_number="'+b+'" ';a+='total_hints_available="'+e+'" ';""!==g&&(a+='hint_id="'+g+'" ');return a}};CTATActionEvaluationData.prototype=Object.create(CTATBase.prototype);CTATActionEvaluationData.prototype.constructor=CTATActionEvaluationData;var CTATVariable=function(){this.value=this.name=""};var CTATCurriculumService=function(a){CTATBase.call(this,"CTATCurriculumService","curriculum_service");var b=[],e=this;this.reset=function(){b=[]};this.addVariable=function(a,d){var c=new CTATVariable;c.name=a;c.value=d;b.push(c)};this.sendSummary=function(g){e.ctatdebug("sendSummary ()");var d=new CTATXML,c=g.getXMLObject();g=c.getElementsByTagName("ProblemSummary");g=$("<div>").html(g[0].innerHTML).text();d.xmlToString(c);var c=flashVars.getRawFlashVars(),d=c.curriculum_service_url,f=new CTATXML,
-h=f.parse(g),f=f.getElementAttr(h,"CompletionStatus");d?("complete"==f&&(CTATScrim.scrim.nextProblemScrimUp(),a.assignMessageListener(e),a.assignHandler(e)),b=[],this.addVariable("user_guid",c.user_guid),this.addVariable("session_id",c.session_id),this.addVariable("authenticity_token",c.authenticity_token),this.addVariable("school_name",c.school_name),this.addVariable("summary",g),g=c.target_frame,f=c.reuse_swf,c=c.run_problem_url,this.addVariable("targetFrame",g),this.addVariable("reuseSWF",f),e.ctatdebug("CTATCurriculumService.sendSummary about to send targetFrame = "+
-g+", reuseSwf "+f+", runProblemUrl "+c),a.send_post_variables(d,b)):"complete"==f&&CTATScrim.scrim.scrimUp(CTATGlobals.languageManager.getString("CONGRATULATIONS_YOU_ARE_DONE"))};this.processOutgoing=function(a){e.ctatdebug('CTATCurriculumService.processOutgoing("'+a+'")')};this.processIncoming=function(a){var b=flashVars.getRawFlashVars().run_problem_url;e.ctatdebug("CTATCurriculumService.processIncoming("+(a?a.substring(0,12)+"...":"")+") parent.location.replace "+parent.location.replace+', runProblemUrl "'+
-b+'"');b&&parent&&parent.location&&parent.location.replace(b)};this.processMessage=function(a){this.ctatdebug("CTATCurriculumService.processMessage("+(a?a.substring(0,30)+"...":"")+")")};this.updateFlashVars=function(a){e.ctatdebug("UpdateFlashVars ()")};this.checkProtocol=function(a){return"localhost"==a||"127.0.0.1"==a?!0:null===/^http[s]?:\/\/([^\/]+)\//.exec(a)||4096<=a.length?!1:!0}};CTATCurriculumService.prototype=Object.create(CTATBase.prototype);
-CTATCurriculumService.prototype.constructor=CTATCurriculumService;var CTATHTMLManager=function(){var a=null,b="";this.urldecode=function(a){return decodeURIComponent((a+"").replace(/\+/g,"%20"))};this.showEntities=function(){ctatdebug("showEntities ()");for(var b,g=0;g<a.length;g++)b=a[g],ctatdebug(b)};this.initEntities=function(){null==a&&(a=[],a["&amp;"]="*!*",a["&nbsp;"]="\u00a0",a["&iexcl;"]="\u00a1",a["&cent;"]="\u00a2",a["&pound;"]="\u00a3",a["&curren;"]="\u00a4",a["&yen;"]="\u00a5",a["&brvbar;"]="\u00a6",a["&sect;"]="\u00a7",a["&uml;"]="\u00a8",a["&copy;"]=
+CTATCommLibrary.prototype.editSocketURLForHTTPS=function(a){if(a&&"https:"===window.top.location.protocol){ctatdebug("We're embedded in an https window, using wss...");a=a.replace("ws:","wss:");var g=CTATConfiguration.get("remoteSocketSecurePort");g&&(a=a.replace(/(wss:\/\/[^:]{1,}:)\d{1,}/,"$1"+g));ctatdebug("url after replace: "+a)}return a};var CTATSequencer=function(){CTATBase.call(this,"CTATSequencer","sequencer");var a=this,g=new CTATPackage,f=new CTATXML,d=null,c="sequential",b=null;this.setAlgorithm=function(b){c=b};this.getAlgorithm=function(){return c};this.handlePackageRetrieval=function(e){a.ctatdebug("handlePackageRetrieval ()");g.init(e);null!=b&&b(g)};this.processXML=function(e){a.ctatdebug("parseXML ()");g.init(e);null!=b&&b(g)};this.init=function(e,c,l){useDebuggingBasic=!0;a.ctatdebug("init ("+e+", "+c+", "+l+")");g.setURLPrefix(l);
+b=c;d=new CTATCommLibrary(null,!1);d.retrieveXMLFile(e,f,this)};this.getSequenceType=function(){return"fixed"};this.getProblemSetSize=function(){a.ctatdebug("getProblemSetSize ()");var b=g.getProblemSets();return 0==b.length?(a.ctatdebug("Error: no problem sets available, trying list of problems directly ..."),g.getProblems().getProblemSize()):b[0].getProblemSize()};this.getFirstProblem=function(){a.ctatdebug("getFirstProblem ()");var b=g.getProblemSets();return 0==b.length?(a.ctatdebug("Error: no problem sets available, trying list of problems directly ..."),
+g.getProblems()[0]):b[0].getFirstProblem()};this.getProblemList=function(){a.ctatdebug("getProblemList ()");var b=g.getProblemSets();return 0==b.length?(a.ctatdebug("Error: no problem sets available, trying list of problems directly ..."),g.getProblems()):b[0].getProblems()};this.getNextProblem=function(b){a.ctatdebug("getNextProblem ()");var e=g.getProblemSets();return 0==e.length?(a.ctatdebug("Error: no problem sets available, trying list of problems directly ..."),g.getProblems()[b]):e[0].getProblems()[b]};
+this.addProblem=function(b,a,c,d,f){g.addProblem(b,a,c,d,f)}};CTATSequencer.prototype=Object.create(CTATBase.prototype);CTATSequencer.prototype.constructor=CTATSequencer;Object.defineProperty(CTATSequencer,"PackageListURI",{enumerable:!1,configurable:!1,writable:!1,value:/^([^?]*\/)?package[.]xml$/i});var CTATActionEvaluationData=function(a){CTATBase.call(this,"CTATActionEvaluationData","actionevaluation");var g=0,f=0,d="",c=a;this.setClassification=function(b){this.classification=b};this.isHint=function(){return"HINT"==c};this.hasClassification=function(){return!0};this.setCurrentHintNumber=function(b){g=b};this.setTotalHintsAvailable=function(b){f=b};this.setHintID=function(b){d=b};this.getClassification=function(){return""};this.setEvaluation=function(b){c=b};this.getEvaluation=function(){return c};
+this.getAttributeString=function(){var b="";if(!this.isHint())return b;b+='current_hint_number="'+g+'" ';b+='total_hints_available="'+f+'" ';""!==d&&(b+='hint_id="'+d+'" ');return b}};CTATActionEvaluationData.prototype=Object.create(CTATBase.prototype);CTATActionEvaluationData.prototype.constructor=CTATActionEvaluationData;var CTATVariable=function(){this.value=this.name=""};var CTATCurriculumService=function(a){CTATBase.call(this,"CTATCurriculumService","curriculum_service");var g=[],f=this;this.reset=function(){g=[]};this.addVariable=function(a,c){var b=new CTATVariable;b.name=a;b.value=c;g.push(b)};this.sendSummary=function(d){f.ctatdebug("sendSummary ()");var c=new CTATXML,b=d.getXMLObject();d=b.getElementsByTagName("ProblemSummary");d=$("<div>").html(d[0].innerHTML).text();c.xmlToString(b);var b=flashVars.getRawFlashVars(),c=b.curriculum_service_url,e=new CTATXML,
+h=e.parse(d),e=e.getElementAttr(h,"CompletionStatus");c?(e&&e.toLowerCase().startsWith("complete")&&(CTATScrim.scrim.nextProblemScrimUp(),a.assignMessageListener(f),a.assignHandler(f)),g=[],this.addVariable("user_guid",b.user_guid),this.addVariable("session_id",b.session_id),this.addVariable("authenticity_token",b.authenticity_token),this.addVariable("school_name",b.school_name),this.addVariable("summary",d),d=b.target_frame,e=b.reuse_swf,b=b.run_problem_url,this.addVariable("targetFrame",d),this.addVariable("reuseSWF",
+e),f.ctatdebug("CTATCurriculumService.sendSummary about to send targetFrame = "+d+", reuseSwf "+e+", runProblemUrl "+b),a.send_post_variables(c,g)):"complete"==e&&CTATScrim.scrim.scrimUp(CTATGlobals.languageManager.getString("CONGRATULATIONS_YOU_ARE_DONE"))};this.processOutgoing=function(a){f.ctatdebug('CTATCurriculumService.processOutgoing("'+a+'")')};this.processIncoming=function(a){var c=flashVars.getRawFlashVars().run_problem_url;f.ctatdebug("CTATCurriculumService.processIncoming("+(a?a.substring(0,
+12)+"...":"")+") parent.location.replace "+parent.location.replace+', runProblemUrl "'+c+'"');if(c&&parent&&parent.location){var b=CTATCommShell.commShell.getLoggingLibrary();b&&b.then(function(){parent.location.replace(c)},function(){console.log("CTATCurriculumService: cannot chain to logging lib "+b)})}};this.processMessage=function(a){this.ctatdebug("CTATCurriculumService.processMessage("+(a?a.substring(0,30)+"...":"")+")")};this.updateFlashVars=function(a){f.ctatdebug("UpdateFlashVars ()")};this.checkProtocol=
+function(a){return"localhost"==a||"127.0.0.1"==a?!0:null===/^http[s]?:\/\/([^\/]+)\//.exec(a)||4096<=a.length?!1:!0}};CTATCurriculumService.prototype=Object.create(CTATBase.prototype);CTATCurriculumService.prototype.constructor=CTATCurriculumService;var CTATHTMLManager=function(){var a=null,g="";this.urldecode=function(a){return decodeURIComponent((a+"").replace(/\+/g,"%20"))};this.showEntities=function(){ctatdebug("showEntities ()");for(var f,d=0;d<a.length;d++)f=a[d],ctatdebug(f)};this.initEntities=function(){null==a&&(a=[],a["&amp;"]="*!*",a["&nbsp;"]="\u00a0",a["&iexcl;"]="\u00a1",a["&cent;"]="\u00a2",a["&pound;"]="\u00a3",a["&curren;"]="\u00a4",a["&yen;"]="\u00a5",a["&brvbar;"]="\u00a6",a["&sect;"]="\u00a7",a["&uml;"]="\u00a8",a["&copy;"]=
 "\u00a9",a["&reg;"]="\u00ae",a["&deg;"]="\u00b0",a["&plusmn;"]="\u00b1",a["&sup1;"]="\u00b9",a["&sup2;"]="\u00b2",a["&sup3;"]="\u00b3",a["&acute;"]="\u00b4",a["&micro;"]="\u00b5",a["&frac14;"]="\u00bc",a["&frac12;"]="\u00bd",a["&frac34;"]="\u00be",a["&iquest;"]="\u00bf",a["&Agrave;"]="\u00c0",a["&Aacute;"]="\u00c1",a["&Acirc;"]="\u00c2",a["&Atilde;"]="\u00c3",a["&Auml;"]="\u00c4",a["&Aring;"]="\u00c5",a["&AElig;"]="\u00c6",a["&Ccedil;"]="\u00c7",a["&Egrave;"]="\u00c8",a["&Eacute;"]="\u00c9",a["&Ecirc;"]=
 "\u00ca",a["&Euml;"]="\u00cb",a["&Igrave;"]="\u00cc",a["&Iacute;"]="\u00cd",a["&Icirc;"]="\u00ce",a["&Iuml;"]="\u00cf",a["&ETH;"]="\u00d0",a["&Ntilde;"]="\u00d1",a["&Ograve;"]="\u00d2",a["&Oacute;"]="\u00d3",a["&Ocirc;"]="\u00d4",a["&Otilde;"]="\u00d5",a["&Ouml;"]="\u00d6",a["&Oslash;"]="\u00d8",a["&Ugrave;"]="\u00d9",a["&Uacute;"]="\u00da",a["&Ucirc;"]="\u00db",a["&Uuml;"]="\u00dc",a["&Yacute;"]="\u00dd",a["&THORN;"]="\u00de",a["&szlig;"]="\u00df",a["&agrave;"]="\u00e0",a["&aacute;"]="\u00e1",a["&acirc;"]=
 "\u00e2",a["&atilde;"]="\u00e3",a["&auml;"]="\u00e4",a["&aring;"]="\u00e5",a["&aelig;"]="\u00e6",a["&ccedil;"]="\u00e7",a["&egrave;"]="\u00e8",a["&eacute;"]="\u00e9",a["&ecirc;"]="\u00ea",a["&euml;"]="\u00eb",a["&igrave;"]="\u00ec",a["&iacute;"]="\u00ed",a["&icirc;"]="\u00ee",a["&iuml;"]="\u00ef",a["&eth;"]="\u00f0",a["&ntilde;"]="\u00f1",a["&ograve;"]="\u00f2",a["&oacute;"]="\u00f3",a["&ocirc;"]="\u00f4",a["&otilde;"]="\u00f5",a["&ouml;"]="\u00f6",a["&oslash;"]="\u00f8",a["&ugrave;"]="\u00f9",a["&uacute;"]=
-"\u00fa",a["&ucirc;"]="\u00fb",a["&uuml;"]="\u00fc",a["&yacute;"]="\u00fd",a["&thorn;"]="\u00fe",a["&yuml;"]="\u00ff",a["&gt;"]=">",a["&lt;"]="<",a["&#61;"]="=",a["&361;"]="=",a["&quot;"]='"');ctatdebug("(singleQuoteEscape==true) Replacing &apos; with: \\'");a["&apos;"]="\\'"};this.entitiesConvert=function(a){ctatdebug("entitiesConvert ()");return this.urldecode(unescape(a))};this.entitiesGenerate=function(a){return b=a};this.htmlEncode=function(a){return a};this.htmlDecode=function(a){return"undefined"!==
-typeof $?$("<div/>").html(a).text():"undefined"!==typeof Entities?(new Entities).decode(a):a}};"undefined"!==typeof module&&(module.exports=CTATHTMLManager);var CTATLogMessageBuilder=function(){CTATBase.call(this,"CTATLogMessageBuilder","logmessagebuilder");var a=this,b=[],e=[];this.setContextName=function(a){CTATLogMessageBuilder.contextGUID=a};this.getContextName=function(){return CTATLogMessageBuilder.contextGUID};this.makeSessionElement=function(){var a=flashVars.getRawFlashVars();return void 0!=a.log_session_id&&null!=a.log_session_id?"<session_id>"+a.log_session_id+"</session_id>":"<session_id>"+a.session_id+"</session_id>"};this.createContextMessage=
-function(b){a.ctatdebug("createContextMessage()");var d=new Date,c=flashVars.getRawFlashVars(),f='<context_message context_message_id="'+this.getContextName()+'" name="START_PROBLEM">';b||(f+=this.makeMetaElement(d));void 0!=c.class_name?""!=c.class_name?(b="<class>"+("<name>"+c.class_name+"</name>"),void 0!=c.school_name&&(b+="<school>"+c.school_name+"</school>"),void 0!=c.period_name&&(b+="<period>"+c.period_name+"</period>"),void 0!=c.class_description&&(b+="<description>"+c.class_description+
-"</description>"),void 0!=c.instructor_name&&(b+="<instructor>"+c.instructor_name+"</instructor>"),b+="</class>"):b="<class />":b="<class />";f+=b;b=flashVars.getDatasetTypes();var e=flashVars.getDatasetNames();a.ctatdebug("Check: "+b.length+", "+e.length);if(null!=b&&null!=e){a.ctatdebug("We have valid data set names and types, adding to message ...");for(var d="<dataset>"+("<name>"+c.dataset_name+"</name>"),g=0;g<b.length;g++)a.ctatdebug("Adding ..."),d+='<level type="'+b[g]+'">',d+="<name>"+e[g]+
-"</name>";d+="<problem ";a.ctatdebug('Checking vars ["problem_tutorflag"]: '+c.problem_tutorflag);a.ctatdebug('Checking vars ["problem_otherproblemflag"]: '+c.problem_otherproblemflag);if(void 0!=c.problem_tutorflag||void 0!=c.problem_otherproblemflag)void 0!=c.problem_tutorflag?d+=' tutorFlag="'+c.problem_tutorflag+'"':void 0!=c.problem_otherproblemflag&&(d+='tutorFlag="'+c.problem_otherproblemflag+'"');d=d+">"+("<name>"+c.problem_name+"</name>");d=void 0!=c.problem_context?d+("<context>"+c.problem_context+
-"</context>"):d+"<context />";d+="</problem>";for(c=0;c<b.length;c++)d+="</level>";f+=d+"</dataset>"}c="";b=flashVars.getConditionNames();d=flashVars.getConditionTypes();e=flashVars.getConditionDescriptions();if(0<b.length)for(g=0;g<b.length;g++)c+="<condition><name>"+b[g]+"</name>",c+=""==d[g]?"":"<type>"+d[g]+"</type>",c+=""==e[g]?"":"<desc>"+e[g]+"</desc>",c+="</condition>";var f=f+c,c=flashVars.getCustomFields(),l;for(l in c)c.hasOwnProperty(l)&&(f+="<custom_field>",f+="<name>"+l+"</name>",f+=
-"<value>"+c[l]+"</value>",f+="</custom_field>");f+="</context_message>";a.ctatdebug("messageString = "+f);return f};this.createSemanticEventToolMessage=function(g,d,c,f,h,m){a.ctatdebug("createSemanticEventToolMessage("+m+")");var l=new Date;flashVars.getRawFlashVars();var q='<tool_message context_message_id="'+this.getContextName()+'">';h||(q+=this.makeMetaElement(l));d='<semantic_event transaction_id="'+d+'" name="'+c+'"';""!=f&&(d+=' subtype="'+f+'"');void 0!=m&&""!=m&&(d+=' trigger="'+m+'"');
-q+=d+"/>";f="<event_descriptor>";g=g.toXMLString(!0);q+=f+g+"</event_descriptor>";q+=this.createCustomFields(b,e);q+="</tool_message>";a.ctatdebug("messageString = "+q);return q};this.createUIEventToolMessage=function(g,d,c,f){a.ctatdebug("createUIEventToolMessage()");var h=new Date;flashVars.getRawFlashVars();var m='<tool_message context_message_id="'+this.getContextName()+'">';f||(m+=this.makeMetaElement(h));m+='<ui_event name="'+d+'">'+c+"</ui_event>";g="<event_descriptor>"+g.toSerializedString();
-m=m+(g+"</event_descriptor>")+this.createCustomFields(b,e);m+="</tool_message>";a.ctatdebug("messageString = "+m);return m};this.createTutorMessage=function(g,d,c,f,h,m,l,q){a.ctatdebug("createTutorMessage()");var p=new Date;flashVars.getRawFlashVars();var u='<tutor_message context_message_id="'+this.getContextName()+'">';q||(u+=this.makeMetaElement(p));d='<semantic_event transaction_id="'+d+'" name="'+c+'"';""!==m&&(d+=' subtype="'+m+'"');u+=d+"/>";g="<event_descriptor>"+g.toXMLString(!0);u+=g+"</event_descriptor>";
-g="<action_evaluation ";f.hasClassification()&&null!=f.getAttributeString()&&(g+=f.getAttributeString());g+=">"+f.getEvaluation()+"</action_evaluation>";u+=g;""!=h&&(u+="<tutor_advice>"+h+"</tutor_advice>");null!=l&&(a.ctatdebug("Adding skills to log message ..."),u+=l.toLogString());u+=this.createCustomFields(b,e);u+="</tutor_message>";a.ctatdebug("messageString = "+u);return u};this.createGenericMessage=function(b,d){a.ctatdebug("createGenericMessage()");flashVars.getRawFlashVars();var c='<message context_message_id="'+
-this.getContextName()+'">',c=c+b+"</message>";a.ctatdebug("messageString = "+c);return c};this.makeMetaElement=function(b){a.ctatdebug("makeMetaElement ()");var d=flashVars.getRawFlashVars(),c;c="<meta>"+("<user_id>"+d.user_guid+"</user_id>");c+="<session_id>"+d.session_id+"</session_id>";c+="<time>"+this.formatTimeStamp(b)+"</time>";return c+="<time_zone>"+flashVars.getTimeZone()+"</time_zone></meta>"};this.wrapForOLI=function(b){a.ctatdebug("wrapForOLI ()");var d=new Date,c=flashVars.getRawFlashVars();
-b=encodeURIComponent(b);var f;f='<?xml version="1.0" encoding="UTF-8"?><log_action '+('auth_token="'+encodeURIComponent(c.auth_token)+'" ');f=void 0!=c.log_session_id&&null!=c.session_id?f+('session_id="'+c.log_session_id+'" '):f+('session_id="'+c.session_id+'" ');f=f+'action_id="EVALUATE_QUESTION" '+('user_guid="'+c.user_guid+'" ');f+='date_time="'+this.formatTimeStampOLI(d)+'" ';f+='timezone="'+flashVars.getTimeZone()+'" ';f+='source_id="'+c.source_id+'" ';f=c.activity_context_guid?f+('external_object_id="'+
-c.activity_context_guid+'" info_type="tutor_message.dtd">'):f+'external_object_id="" info_type="tutor_message.dtd">';return f+b+"</log_action>"};this.createLogSessionStart=function(){a.ctatdebug("createLogSessionStart ()");var b=new Date;a.ctatdebug("Date: "+b);var d='<log_session_start timezone="'+flashVars.getTimeZone()+'" ',c=flashVars.getRawFlashVars(),d=d+('date_time="'+this.formatTimeStampOLI(b)+'" '),d=d+('auth_token="'+c.auth_token+'" '),d=d+('session_id="'+c.session_id+'" '),d=d+('user_guid="'+
-c.user_guid+'" ');return d+'class_id="" treatment_id="" assignment_id="" info_type="tutor_message.dtd"/>'};this.formatTimeStamp=function(b){a.ctatdebug("formatTimeStamp ("+b+")");var d="",c=b.getUTCFullYear(),d=d+(c+"-"),c=b.getUTCMonth();c++;d+=(10>c?"0"+c:c)+"-";c=b.getUTCDate();d+=(10>c?"0"+c:c)+" ";c=b.getUTCHours();d+=(10>c?"0"+c:c)+":";c=b.getUTCMinutes();d+=(10>c?"0"+c:c)+":";c=b.getUTCSeconds();d+=10>c?"0"+c:c;b=b.getUTCMilliseconds();return d+"."+b};this.formatTimeStampOLI=function(b){a.ctatdebug("formatTimeStampOLI ("+
-b+")");var d="",c=b.getUTCFullYear(),d=d+(c+"/"),c=b.getUTCMonth();c++;d+=(10>c?"0"+c:c)+"/";c=b.getUTCDate();d+=(10>c?"0"+c:c)+" ";c=b.getUTCHours();d+=(10>c?"0"+c:c)+":";c=b.getUTCMinutes();d+=(10>c?"0"+c:c)+":";c=b.getUTCSeconds();d+=10>c?"0"+c:c;b=b.getUTCMilliseconds();return d+"."+b};this.resetCustomFields=function(){a.ctatdebug("resetCustomFields ()");b=[];e=[]};this.createCustomFields=function(b,d){a.ctatdebug("createCustomFields ()");if(null==b||null==d)return a.ctatdebug("No custom fields provided"),
-"";a.ctatdebug("Processing "+b.length+" custom fields ...");for(var c="",f=0;f<b.length;f++)a.ctatdebug("Adding custom field: ["+b[f]+"],["+d[f]+"]"),c+="<custom_field>",c+="<name>"+b[f]+"</name>",c+="<value>"+d[f]+"</value>",c+="</custom_field>";return c};this.addCustomFields=function(g,d){a.ctatdebug("addCustomFields ()");if(void 0!=g)for(var c=0;c<g.length;c++)b.push(g[c]),e.push(d[c])};this.addCustomField=function(g,d){a.ctatdebug("addCustomfield ("+g+","+d+")");b.push(g);e.push(d)};this.getCustomFieldNames=
-function(){return b};this.getCustomFieldValues=function(){return e}};CTATLogMessageBuilder.prototype=Object.create(CTATBase.prototype);CTATLogMessageBuilder.prototype.constructor=CTATLogMessageBuilder;CTATLogMessageBuilder.contextGUID="";CTATLogMessageBuilder.commLogMessageBuilder=null;var CTATCustomLogElementObject=function(){this.reset=function(){};this.addCustomLogElement=function(a,b){customElementsNames.push(a);customElementsTypes.push(a)};this.getCustomElementNames=function(){return customElementsNames};this.getCustomElementTypes=function(){return customElementsTypes}};var loggingDisabled=!1,CTATLoggingLibrary=function(a){CTATBase.call(this,"CTATLoggingLibrary","logginglibrary");var b=this,e=!0,g=!1,d=!1,c=[],f="undefined",h="undefined",m="undefined",l="undefined",q="undefined",p="undefined",u="undefined",r="undefined",w="UnassignedDataset",n="UnassignedLevelName",B="UnassignedLevelType",v=null,y=null,r=CTATGuid.guid();void 0!=a&&null!=a?(g=a,0==g&&(CTATLogMessageBuilder.commLogMessageBuilder=new CTATLogMessageBuilder)):CTATLogMessageBuilder.commLogMessageBuilder=
-new CTATLogMessageBuilder;var A=new CTATCommLibrary;A.setName("commLoggingLibrary");A.setUseCommSettings(!1);A.setConnectionRefusedMessage("ERROR_CONN_LS");A.assignHandler(this);A.setFixedURL(CTATConfiguration.get("log_service_url"));this.getLastSAI=function(){return y};this.assignLogListener=function(a){v=a};this.generateSession=function(){c.session_id="ctat_session_"+CTATGuid.guid();return c.session_id};this.setLogClassName=function(a){f=a};this.setDatasetName=function(a){w=a};this.setDatasetLevelName=
-function(a){n=a};this.setDatasetLevelType=function(a){B=a};this.setSchool=function(a){h=a};this.setPeriod=function(a){m=a};this.setDescription=function(a){l=a};this.setInstructor=function(a){q=a};this.setProblemName=function(a){p=a};this.setProblemContext=function(a){u=a};this.setUserID=function(a){r=a};this.getLoggingCommLibrary=function(){return A};this.setUseSessionLog=function(a){e=a};this.setLoggingURL=function(a){b.getLoggingCommLibrary().setFixedURL(a)};this.getSessionIdentifierBundle=function(){var a=
-[];a.class_name=f;a.school_name=h;a.period_name=m;a.class_description=l;a.instructor_name=q;a.dataset_name=w;a.problem_name=p;a.problem_context=u;a.auth_token="";a.user_guid=r;a.session_id=c.session_id;a.source_id="tutor";a.dataset_level_name1=n;a.dataset_level_type1=B;return a};this.setupExternalLibraryUsage=function(){b.ctatdebug("setupExternalLibraryUsage ()");c.class_name=f;c.school_name=h;c.period_name=m;c.class_description=l;c.instructor_name=q;c.dataset_name=w;c.problem_name=p;c.problem_context=
-u;c.auth_token="";c.user_guid=r;c.session_id="ctat_session_"+CTATGuid.guid();c.source_id="tutor";c.dataset_level_name1=n;c.dataset_level_type1=B;flashVars=CTATConfiguration.generateDefaultConfigurationObject();flashVars.assignRawFlashVars(c)};this.initCheck=function(){b.ctatdebug("initCheck ()");0==g&&0==d&&(b.setupExternalLibraryUsage(),d=!0)};this.sendMessage=function(a){b.ctatdebug("sendMessage ()");b.ctatdebug("Raw log message to send: "+a);this.sendMessageInternal(a);null!=v&&v(a)};this.sendMessageInternal=
-function(a){b.ctatdebug("sendMessageInternal ()");if(!0===loggingDisabled)b.ctatdebug("Warning: loggingDisabled==true");else if(1==g){var c=CTATConfiguration.get("Logging");if("ClientToService"!=c&&"ClientToLogServer"!=c)b.ctatdebug("Logging is turned off, as per: "+c);else{var d=CTATConfiguration.get("tutoring_service_communication");"ClientToService"!=c||"http"!=d&&"https"!=d||(c=CTATConfiguration.get("remoteSocketURL")+":"+CTATConfiguration.get("remoteSocketPort"),b.setLoggingURL(c),b.ctatdebug("Reconfigured the logging url to be: "+
-c));b.ctatdebug("Pre encoded log message: "+a);0>a.indexOf("<log_session_start")&&(a=CTATLogMessageBuilder.commLogMessageBuilder.wrapForOLI('<?xml version="1.0" encoding="UTF-8"?><tutor_related_message_sequence version_number="4">'+a+"</tutor_related_message_sequence>"));b.ctatdebug("Encoded log message: "+a);CTATLMS.logEvent(a);CTATConfiguration.get("log_service_url")&&A.sendXMLNoBundle(a)}}else b.ctatdebug("Use internal: "+g)};this.startProblem=function(){b.ctatdebug("startProblem ()");b.initCheck();
-b.logSessionStart();CTATLogMessageBuilder.commLogMessageBuilder||(CTATLogMessageBuilder.commLogMessageBuilder=new CTATLogMessageBuilder);b.sendMessage(CTATLogMessageBuilder.commLogMessageBuilder.createContextMessage(!0))};this.logSessionStart=function(){b.ctatdebug("logSessionStart ()");b.initCheck();var a=CTATConfiguration.getRawFlashVars();void 0!=a.SessionLog&&("false"==a.SessionLog||"boolean"==typeof a.SessionLog&&!1===a.SessionLog?(b.ctatdebug("Turning SessionLog off ..."),e=!1):(b.ctatdebug("Turning SessionLog on ..."),
-e=!0));!0===e&&(CTATLogMessageBuilder.commLogMessageBuilder||(CTATLogMessageBuilder.commLogMessageBuilder=new CTATLogMessageBuilder),this.sendMessage(CTATLogMessageBuilder.commLogMessageBuilder.createLogSessionStart()))};this.logSemanticEvent=function(a,c,d,f,e,g,l){b.ctatdebug("logSemanticEvent ("+l+")");b.initCheck();y=c;var n=new Date;CTATLogMessageBuilder.commLogMessageBuilder.resetCustomFields();CTATLogMessageBuilder.commLogMessageBuilder.addCustomFields(e,g);CTATLogMessageBuilder.commLogMessageBuilder.addCustomField("tool_event_time",
-CTATLogMessageBuilder.commLogMessageBuilder.formatTimeStamp(n)+" UTC");a=CTATLogMessageBuilder.commLogMessageBuilder.createSemanticEventToolMessage(c,a,d,f,!0,l);this.sendMessage(a)};this.logTutorResponse=function(a,c,d,f,e,g,l,n,w){b.ctatdebug("logTutorResponse ()");b.initCheck();y=c;var h=new Date;CTATLogMessageBuilder.commLogMessageBuilder.resetCustomFields();CTATLogMessageBuilder.commLogMessageBuilder.addCustomFields(n,w);CTATLogMessageBuilder.commLogMessageBuilder.addCustomField("tutor_event_time",
-CTATLogMessageBuilder.commLogMessageBuilder.formatTimeStamp(h)+" UTC");b.ctatdebug("Formatting feedback ...");void 0!=g&&null!=g?g="<![CDATA["+CTATGlobals.languageManager.filterString(g)+"]]\x3e":(b.ctatdebug("No feedback provided, using empty string"),g="");b.ctatdebug("Creating tutor message ...");a=CTATLogMessageBuilder.commLogMessageBuilder.createTutorMessage(c,a,d,e,g,f,l,!0);this.sendMessage(a)};this.processMessage=function(a){b.ctatdebug("processMessage ()");b.ctatdebug("Response from log server: "+
-a)};this.start=function(){b.ctatdebug("start ()");var a=b.generateSession();b.startProblem();return a};this.logInterfaceAttempt=function(a,c,d,f){b.ctatdebug("logInterfaceAttempt ()");f=CTATGuid.guid();a=new CTATSAI(a,c,d);a.setInput(d);y=a;this.logSemanticEvent(f,a,"ATTEMPT","");return f};this.logInterfaceAttemptSAI=function(a,c){b.ctatdebug("logInterfaceAttemptSAI ()");y=a;var d=CTATGuid.guid();this.logSemanticEvent(d,a,"ATTEMPT","");return d};this.logResponse=function(a,c,d,f,e,g,l,n){b.ctatdebug("logResponse ()");
-c=new CTATSAI(c,d,f);c.setInput(f);f=new CTATActionEvaluationData("");f.setEvaluation(g);void 0==n?this.logTutorResponse(a,c,e,"",f,l):this.logTutorResponse(a,c,e,"",f,l,null,n.getCustomElementNames(),n.getCustomElementTypes())};this.logResponseSAI=function(a,c,d,f,e,g){b.ctatdebug("logResponse ()");var l=new CTATActionEvaluationData("");l.setEvaluation(f);void 0==g?this.logTutorResponse(a,c,d,"",l,e):this.logTutorResponse(a,c,d,"",l,e,null,g.getCustomElementNames(),g.getCustomElementTypes())};this.endSession=
-function(){this.generateSession()}};CTATLoggingLibrary.prototype=Object.create(CTATBase.prototype);CTATLoggingLibrary.prototype.constructor=CTATLoggingLibrary;var CTATArgument=function(){var a="",b="Undefined",e="String",g="text";this.setValue=function(a){b=a};this.getValue=function(){return b};this.setName=function(b){a=b};this.getName=function(){return a};this.setType=function(a){e=a};this.getType=function(){return e};this.setFormat=function(a){g=a};this.getFormat=function(){return g}};CTATArgument.prototype.clone=function(){var a=new CTATArgument;a.setValue(this.getValue());a.setType(this.getType());a.setFormat(this.getFormat());return a};
-"undefined"!==typeof module&&(module.exports=CTATArgument);var CTATStringUtil=function(){this.String2Boolean=function(a){switch(a){case "0":case "false":case "no":case "FALSE":case "NO":case "No":return!1}return!0};this.replaceString=function(a,b,e){return a.replace(b,e)}};"undefined"!==typeof module&&(module.exports=CTATStringUtil);var CTATSAI=function(a,b,e,g){CTATBase.call(this,"CTATSAI","sai");var d=new CTATStringUtil,c="undefined",f=[],h=[],m=[],l=[],q=null,p=this,q="xml"==CTATConfig.parserType?new CTATXML:new CTATJSON;this.getArguments=function(){return m};this.getArgument=function(a){if(0==m.length){var b=new CTATArgument;m.push(b)}return m[a]};this.getArgumentsTyped=function(){p.ctatdebug("getArgumentsTyped");var a,b=[];for(a=0;a<m.length;a++){var c=m[a];"Boolean"===c.getType()?(p.ctatdebug("Adding Boolean argument ("+
-c.getValue()+") ..."),b.push(d.String2Boolean(c.getValue()))):"Number"===c.getType()?(p.ctatdebug("Adding Number argument ("+c.getValue()+") ..."),b.push(Number(c.getValue()))):"String"===c.getType()?"No_Value"===c.getValue()?(p.ctatdebug("Detected default argument ("+c.getValue()+"), setting contents to null instead"),b.push(null)):b.push(String(c.getValue())):p.ctatdebug("Unrecognized argument type: "+c.getType()+" in "+p.toSerializedString()+" IGNORING IT!!!")}p.ctatdebug("Resulting arguments: "+
-b);return b};this.addSelection=function(a,b){var c=new CTATArgument;c.setValue(a);void 0!=b&&null!=b&&c.setType(b);f.push(c)};this.addAction=function(a){h.push(a)};this.checkDefaultArgument=function(){p.ctatdebug("checkDefaultArgument ()");if(0===m.length){p.ctatdebug("Adding default argument ...");var a=new CTATArgument;m.push(a)}};this.setArgument=function(a,b){p.checkDefaultArgument();for(var c=m.length;c<=a;++c)m.push(new CTATArgument);c=m[a];c.setValue(b);return c};this.addArgument=function(a,
-b,c){this.ctatdebug("addArgument ("+a+","+b+","+c+")");var d=new CTATArgument;d.setValue(a);d.setType(b);d.setFormat(c);m.push(d);return d};this.addExistingArgument=function(a){m.push(a);return a};this.setSAI=function(a,b,d,f,e){p.setSelection(Array.isArray(a)?0<a.length?a[0]:"":a);p.setAction(Array.isArray(b)?0<b.length?b[0]:"":b);p.setInput(Array.isArray(d)?0<d.length?d[0]:"":d);p.setType(f);c=e};this.setInput=function(a){p.ctatdebug("setInput("+a+")");p.checkDefaultArgument();p.getArgument(0).setValue(a)};
-this.getInputObject=function(){return 0===m.length?null:m[0]};this.getInput=function(){return 0===m.length?"":p.getArgument(0).getValue()};this.setType=function(a){p.checkDefaultArgument();p.getArgument(0).type=a};this.getType=function(){return 0===m.length?"":p.getArgument(0).type};this.setFormat=function(a){p.checkDefaultArgument();p.getArgument(0).setFormat(a)};this.getFormat=function(){return 0===m.length?"":p.getArgument(0).getFormat()};this.toString=function(){return"["+String(p.getSelection())+
-","+String(p.getAction())+","+String(p.getInput())+"]"};this.setSelection=function(a,b){var c=p.getSelectionObject();null==c?(c=new CTATArgument,c.setValue(a),void 0!=b&&null!=b&&c.setType(b),f.push(c)):c.setValue(a)};this.getSelectionObject=function(){return 0==f.length?null:f[0]};this.getSelection=function(){if(0==f.length)return null;var a=f[0];return"object"===typeof a?a.getValue():a};this.setAction=function(a){0<h.length?h[0]=a:h.push(a)};this.getAction=function(){return 0==h.length?null:h[0]};
-this.appendToSelectionArray=function(a,b){var c=new CTATArgument;c.setValue(String(a));void 0!=b&&null!=b&&c.setType(b);f.push(c)};this.setSelectionArray=function(a){f=[];for(var b=0;b<a.length;b++)p.appendToSelectionArray(a[b],"String")};this.getSelectionArray=function(){for(var a=[],b=0;b<f.length;b++){var c=f[b];"object"===typeof c?a.push(f[b].getValue()):a.push(c)}return a};this.appendToActionArray=function(a){null==a?h.push(""):h.push(String(a))};this.setActionArray=function(a){h=null==a?[]:
-Array.isArray(a)?a.slice():[String(a)]};this.getActionArray=function(){return h};this.appendToInputArray=function(a){p.ctatdebug("appendToInputArray ("+a+")");null==a?p.addArgument("","String","text"):p.addArgument(a,"String","text")};this.setInputArray=function(a){m=[];if(null!=a)for(var b=0;b<a.length;b++)p.appendToInputArray(a[b])};this.getInputArray=function(){p.ctatdebug("getInputArray ("+m.length+")");l=[];for(var a=0;a<m.length;a++){var b=m[a];"object"===typeof b?(p.ctatdebug("Adding object value ("+
-b.getValue()+") to temp input array"),l.push(b.getValue())):(p.ctatdebug("Adding string value ("+b+") to temp input array"),l.push(b))}return l};this.setPrompt=function(a){c=a};this.getPrompt=function(){return c};this.propagate=function(a){p.ctatdebug("propagate ()");a=a.getArguments();for(var b=0;b<a.length;b++){var c=a[b],d=m[b];if(null===c||null===d){p.ctatdebug("Internal error: argument lists do not align between received SAI and source SAI");break}d.setValue(c.getValue())}};this.fromString=function(a){a=
-q.parse(a);p.fromXML(a)};this.fromXML=function(a){p.ctatdebug("fromXML ()");m=[];a=q.getElementChildren(a);for(var b,c=0;c<a.length;c++){var d=a[c];if("selection"==q.getElementName(d)||"Selection"==q.getElementName(d)){for(var f=q.getElementChildren(d),e=!1,g=0;g<f.length;g++)b=f[g],"value"==q.getElementName(b)&&(b=q.getNodeTextValue(b),1>g?p.setSelectionArray(b):p.appendToSelectionArray(b),e=!0,p.setSelection(b));!1===e&&(b=q.getNodeTextValue(d),p.setSelectionArray(b),p.setSelection(b))}if("action"==
-q.getElementName(d)||"Action"==q.getElementName(d)){f=q.getElementChildren(d);e=!1;for(g=0;g<f.length;g++)b=f[g],"value"==q.getElementName(b)&&(b=q.getNodeTextValue(b),1>g?p.setActionArray(b):p.appendToActionArray(b),e=!0,p.setAction(b));!1===e&&(b=q.getNodeTextValue(d),p.setActionArray(b),p.setAction(b))}if("inputArray"==q.getElementName(d)||"value"==q.getElementName(d)||"Input"==q.getElementName(d)){b=q.getElementChildren(d);var l;m=[];f=new CTATHTMLManager;e=new CTATArgument;g=0;m.push(e);for(var h=
-0;h<b.length;h++){var r=b[h];"value"==q.getElementName(r)&&(l=q.getElementChildren(r),null!==l?(p.ctatdebug("Parsing SAI input ..."),p.ctatdebug("Childnodes: "+l.length),1===l.length?(l=f.htmlDecode(q.getNodeTextValue(r)),p.ctatdebug("Setting new value to: "+l),e.setValue(l)):(l=f.htmlDecode(q.getNodeTextValue(r)),p.ctatdebug("Setting new value to: "+l),e.setValue(l),e.setName(r.attributes.getNamedItem("name").value),e.setType(r.attributes.getNamedItem("type").value),e.setFormat(r.attributes.getNamedItem("format").value),
-g++),1>h?p.setInputArray(l):p.appendToInputArray(l)):(r=f.htmlDecode(q.getNodeTextValue(r)),p.ctatdebug("Setting new value to: "+r),e.setValue(r),1>h?p.setInputArray(r):p.appendToInputArray(r)))}}if("prompt"==q.getElementName(d)||"Prompt"==q.getElementName(d))p.ctatdebug("Parsing prompt ..."),p.setPrompt(q.getNodeTextValue(d))}p.checkDefaultArgument()};this.appendFromElement=function w(a,b,c,d,f){p.ctatdebug("appendFromElement ()");d=String(q.getElementName(b)).toLowerCase();if(d==a||"value"==d)if(d=
-q.getElementChildren(b),!Array.isArray(d)||1>d.length)0==f?c.push(q.getNodeTextValue(b)):p.appendToInputArray(q.getNodeTextValue(b));else for(b=0;b<d.length;++b)w(a,d[b],c,b,f)};this.setArrayFromElements=function(a){p.ctatdebug("setArrayFromElements ()");if(!a||!Array.isArray(a)||1>a.length)p.ctatdebug("can't get name: don't know whether selection, action or input");else{var b,c=String(q.getElementName(a[0])).toLowerCase();switch(c){case "selection":p.ctatdebug("Processing selection field ...");f=
-[];for(b=0;b<a.length;++b)p.appendFromElement(c,a[b],f,b,!1);break;case "action":p.ctatdebug("Processing action field ...");h=[];for(b=0;b<a.length;++b)p.appendFromElement(c,a[b],h,b,!1);break;case "input":p.ctatdebug("Processing input field ...");m=[];for(b=0;b<a.length;++b)p.appendFromElement(c,a[b],m,b,!0);break;default:console.log('CTATSAI.setArrayFromElements(): unexpected element name "'+c+'"');return}p.ctatdebug("CTATSAI.setArrayFromElements() eltName "+c+", length "+b+", selectionArray "+
-p.getSelectionArray()+", actionArray "+p.getActionArray()+", inputArray "+p.getInputArray())}};this.fromXMLInternal=function(a){p.ctatdebug("fromXMLInternal ()");new CTATXML;m=[];a=q.getElementChildren(a);for(var b,c=0;c<a.length;c++){var d=a[c];if("selection"==q.getElementName(d)||"Selection"==q.getElementName(d)){for(var f=q.getElementChildren(d),e=!1,g=0;g<f.length;g++)b=f[g],"value"==q.getElementName(b)&&(b=q.getNodeTextValue(b),1>g?p.setSelectionArray(b):p.appendToSelectionArray(b),e=!0,p.setSelection(b));
-!1===e&&(b=q.getNodeTextValue(d),p.setSelectionArray(b),p.setSelection(b))}if("action"==q.getElementName(d)||"Action"==q.getElementName(d)){f=d.childNodes;e=!1;for(g=0;g<f.length;g++)b=f[g],"value"==q.getElementName(b)&&(b=q.getNodeTextValue(b),1>g?p.setActionArray(b):p.appendToActionArray(b),e=!0,p.setAction(b));!1===e&&(b=q.getNodeTextValue(d),p.setActionArray(b),p.setAction(b))}if("inputArray"==q.getElementName(d)||"Input"==q.getElementName(d)){b=d.childNodes;m=[];var f=new CTATHTMLManager,e=new CTATArgument,
-g=0,l;m.push(e);for(var h=0;h<b.length;h++)if(l=b[h],"value"==q.getElementName(l)){var w=q.getElementChildren(l);null!==w?(p.ctatdebug("Parsing SAI input ..."),p.ctatdebug("Childnodes: "+w.length),1===w.length?(l=f.htmlDecode(q.getNodeTextValue(l)),p.ctatdebug("Setting new value to: "+l),e.setValue(l)):(l=f.htmlDecode(q.getNodeTextValue(l)),p.ctatdebug("Setting new value to: "+l),e.setValue(l),e.setName(q.getElementAttr("name")),e.setType(q.getElementAttr("type")),e.setFormat(q.getElementAttr("format")),
-g++)):(l=f.htmlDecode(q.getNodeTextValue(l)),p.ctatdebug("Setting new value to: "+l),e.setValue(l));1>h?p.setInputArray(l):p.appendToInputArray(l)}}if("prompt"==q.getElementName(d)||"Prompt"==q.getElementName(d))p.ctatdebug("Parsing prompt ..."),p.setPrompt(q.getNodeTextValue(d))}p.checkDefaultArgument()};this.toXMLString=function(a){p.ctatdebug("toXMLString ()");return a?p.toLSxmlString():p.toTSxmlString()};this.toLSxmlString=function(){p.ctatdebug("toLSxmlString ()");for(var a="",b=0;b<f.length;b++){var c=
-f[b];"object"===typeof c?(a="String"!=c.getType()?a+('<selection type="'+c.getType()+'">'):a+"<selection>",a+=c.getValue()+"</selection>"):a+="<selection>"+c+"</selection>"}a+="<action>"+p.getAction();for(b=1;b<h.length;b++)a+="</action><action>"+h[b];a+="</action>";for(b=0;b<m.length;b++)c=m[b],a="object"===typeof c?"String"!=c.getType()?a+('<input type="'+c.getType()+'"><![CDATA['+c.getValue()+"]]\x3e</input>"):a+("<input><![CDATA["+c.getValue()+"]]\x3e</input>"):a+("<input><![CDATA["+c+"]]\x3e</input>");
-return a};this.toTSxmlString=function(){p.ctatdebug("toTSxmlString ()");var a;a="<Selection><value>"+p.getSelection();for(var b=1;b<f.length;b++){var c=f[b];a="object"===typeof c?a+("</value><value>"+c.getValue()):a+("</value><value>"+c)}a+="</value></Selection><Action><value>"+p.getAction();for(b=1;b<h.length;b++)a+="</value><value>"+h[b];a+="</value></Action><Input>";if(1<m.length)for(b=0;b<m.length;b++)c=m[b],a+='<value fmt="text" name="'+c.getName()+'" type="'+c.getType()+'"><![CDATA['+c.getValue()+
-"]]\x3e</value>";else a+="<value><![CDATA["+p.getInput()+"]]\x3e</value>";return a+"</Input>"};this.toSerializedString=function(){var a;a=""+("<selection>"+p.getSelection()+"</selection><action>"+p.getAction()+"</action><inputArray>");for(var b=0;b<m.length;b++){var c=m[b];a+='<value fmt="text" name="'+c.getName()+'" type="'+c.getType()+'">'+c.getValue()+"</value>"}return a+"</inputArray>"};this.clone=function(){p.ctatdebug("clone ()");for(var a=new CTATSAI(p.getSelection(),p.getAction(),p.getInput(),
-p.getPrompt()),b=0;b<p.getArguments().length;++b)a.setArgument(b,p.getArgument(b).clone());a.setSelectionArray(p.getSelectionArray().slice());a.setActionArray(p.getActionArray().slice());a.setInputArray(p.getInputArray().slice());p.ctatdebug("CTATSAI.clone() this "+p+", clone "+a+", clone inputArray "+a.getInputArray());return a};this.isDone=function(){var a=p.getSelection(),b=p.getAction();return null==a||null==b?!1:"done"==a.toString().toLowerCase()&&"buttonpressed"==b.toString().toLowerCase()};
-var u=!1;if(Array.isArray(a)&&Array.isArray(b)&&(Array.isArray(e)||null==e)&&(p.setSelectionArray(a),p.setActionArray(b),p.setInputArray(e),u=!0,0<a.length&&0<b.length)){p.setSAI(a[0],b[0],null==e?null:e[0],"String",g);return}null!==a&&""!==a&&p.setSelection(a);null!==a&&(p.setSAI(a,b,e,"String",g),u||(p.setSelectionArray(Array.isArray(a)?a:[a]),p.setActionArray(Array.isArray(b)?b:[b]),p.setInputArray(Array.isArray(e)?e:[e]),u=!0))};CTATSAI.prototype=Object.create(CTATBase.prototype);
-CTATSAI.prototype.constructor=CTATSAI;CTATSAI.delayedActionRegExp=/^([^:]+):([0-9]+)$/;"undefined"!==typeof module&&(module.exports=CTATSAI);var CTATSkill=function(){CTATBase.call(this,"CTATSkill","skill");var a="",b="",e="",g="",d=0,c="",f=!1,h="",m="",l="",q="",p="";this.setSkillName=function(b){a=b};this.setDisplayName=function(a){b=a};this.setModelName=function(a){g=a};this.setCategory=function(a){e=a};this.setLevel=function(a){!0===isNaN(a)?ctatdebug("Error: attempting to set a level to NaN"):(d=a,this.setPKnown(String(d)))};this.setDescription=function(a){c=a};this.getSkillName=function(){return a};this.getDisplayName=function(){return b};
-this.hasDisplayName=function(){return""!==b&&null!==b};this.getModelName=function(){return g};this.hasCategory=function(){return""!==e};this.hasModelName=function(){return""!==g};this.getCategory=function(){return e};this.getLevel=function(){return d};this.getDescription=function(){return c};this.setTouched=function(a){f=a};this.getTouched=function(){return f};this.toXMLString=function(){return""};this.toSetPreferencesXMLString=function(){var d='<skill label="'+b+'" pSlip="'+m+'" description="'+c;
-return d+='" pKnown="'+l+'" category="'+e+'" pLearn="'+q+'" name="'+a+'" pGuess="'+h+'" history="'+p+'" />'};this.setPGuess=function(a){h=a};this.getPGuess=function(){return h};this.setPSlip=function(a){m=a};this.getPSlip=function(){return m};this.setPLearn=function(a){q=a};this.getPLearn=function(){return q};this.setPKnown=function(a){l=a};this.getPKnown=function(){return l};this.setSkillHistory=function(a){p=a};this.getSkillHistory=function(){return p}};CTATSkill.prototype=Object.create(CTATBase.prototype);
-CTATSkill.prototype.constructor=CTATSkill;var CTATSkillSet=function(){CTATBase.call(this,"CTATSkillSet","skills");this.internalSkillSet=[];var a=this;this.fromXMLString=function(a){this.ctatdebug("fromXMLString ()");this.ctatdebug("Skills string: "+a);if(null===a)this.ctatdebug("Warning: skill object is null");else if(""===a)this.ctatdebug("Info: empty skill string provided, bump");else if(a){this.ctatdebug("CTATSkillSet.fromXMLString() Raw:     "+a);a=decodeURIComponent(a.replace(/\+/g," "));this.ctatdebug("CTATSkillSet.fromXMLString() Decoded: "+
-a);if(null!==/\/<value>.+<\/value>/.exec(a))this.parseByValue(a);else{var b=(new CTATXML).parseXML(a);this.parseByAttributes(b,a)}this.ctatdebug("fromXMLString () done")}else this.ctatdebug("Warning: skill object is undefined or otherwise empty.")};this.fromXMLData=function(a,e){this.ctatdebug("fromXMLData ()");null!==/\/<value>.+<\/value>/.exec(e)?this.parseByValue(e):this.parseByAttributes(a);this.ctatdebug("fromXMLData () done")};this.parseByValue=function(b){this.ctatdebug("parseByValue()");if(b){b=
-b.childNodes;for(var e=new CTATXML,g=0;g<b.length;g++){var d=e.getNodeTextValue(b[g]).split("`"),c=d[0].split(" ");4==d.length?this.addSkill(c[0],d[1],d[2],d[3],d[3],c[1]):this.addSkill(c[0],d[1],d[2],d[3],d[4],c[1])}}else a.ctatdebug("Error: aSkills is null")};this.parseDOM=function(a){this.ctatdebug("parseDOM()");var b=new CTATXML;a=b.getElementChildren(a);for(var g=0;g<a.length;g++){var d=b.getNodeTextValue(a[g]).split("`"),c=d[0].split(" ");4==d.length?this.addSkill(c[0],d[1],d[2],d[3],d[3],c[1]):
-this.addSkill(c[0],d[1],d[2],d[3],d[4],c[1])}};this.parseByAttributes=function(b){this.ctatdebug("parseByAttributes()");if(b)if(b=b.childNodes)for(var e=0;e<b.length;e++){var g=b[e];if("Skill"==g.nodeName||"skill"==g.nodeName){this.ctatdebug("Parsing node ("+e+"): "+g.nodeName+" -> "+g.nodeValue);var d=g.attributes.getNamedItem("name");if(d=d?d.value:""){var c=g.attributes.getNamedItem("pKnown"),c=c?c.value:"",f=g.attributes.getNamedItem("description"),f=f?f.value:"",h=g.attributes.getNamedItem("label"),
-h=h?h.value:"",m=g.attributes.getNamedItem("category"),m=m?m.value:"",l=g.attributes.getNamedItem("pGuess"),l=l?l.value:"",q=g.attributes.getNamedItem("pLearn"),q=q?q.value:"",p=g.attributes.getNamedItem("pSlip"),p=p?p.value:"",g=(g=g.attributes.getNamedItem("history"))?g.value:"";this.addSkill(d,c,.95,f,h,m,l,q,p,g)}}}else this.ctatdebug("Error: list of skill xml elements is null");else a.ctatdebug("Error: aSkills is null")};this.getSkillSet=function(){return this.internalSkillSet};this.getSize=
-function(){return this.internalSkillSet.length};this.addSkill=function(a,e,g,d,c,f,h,m,l,q){this.ctatdebug("addSkill() name = "+a+" level = "+e+" mastery = "+g+" aDescription = "+d+" adisplayName = "+c+" aCategory = "+f+" pguess= "+h+" plearn = "+m+" pslip = "+l+" history = "+q);a=this.setSkillLevel(a,e,g);this.ctatdebug("Configuring "+a.getDisplayName());d&&a.setDescription(d);c&&a.setDisplayName(c);f&&a.setCategory(f);(h||0===h)&&a.setPGuess(h);(m||0===m)&&a.setPLearn(m);(l||0===l)&&a.setPSlip(l);
-""!==q&&a.setSkillHistory(q);return a};this.setSkillLevel=function(a,e,g){this.ctatdebug("setSkillLevel ("+a+","+e+","+g+")");g=this.getSkill(a);null===g?(this.ctatdebug("Skill not found, creating new one ..."),g=new CTATSkill,g.setSkillName(a),g.setLevel(e),this.internalSkillSet.push(g)):(this.ctatdebug("Skill found, adjusting ..."),g.setLevel(1),g.setLevel(e));g.setTouched(!0);return g};this.getSkill=function(a){this.ctatdebug("getSkill ("+a+") -> "+this.internalSkillSet.length);if(!a)return null;
-for(var b=0;b<this.internalSkillSet.length;b++){var g=this.internalSkillSet[b];if(g.getSkillName()==a)return this.ctatdebug("Returning: "+b),g}return null};this.getSkillLevel=function(a){if(!a)return-1;for(var b in this.internalSkillSet)if(b.getSkillName()==a)return b.getLevel();return-1};this.getTouched=function(){this.ctatdebug("getTouched ()");for(var a=[],e=0;e<this.internalSkillSet.length;e++){var g=this.internalSkillSet[e];!0===g.getTouched()&&(this.ctatdebug("Adding touched skill: "+g.getSkillName()),
-a.push(g))}return a};this.untouchSkills=function(){this.ctatdebug("untouchSkills ()");for(var a=0;a<this.internalSkillSet.length;a++)this.internalSkillSet[a].setTouched(!1)};this.toSetPreferencesXMLString=function(){this.ctatdebug("toSetPreferencesXMLString ()");for(var a="<skills>",e=0;e<this.internalSkillSet.length;e++)a+=this.internalSkillSet[e].toSetPreferencesXMLString();return a+"</skills>"};this.toLogString=function(){this.ctatdebug("toLogString ("+this.internalSkillSet.length+")");for(var a=
-"",e=0;e<this.internalSkillSet.length;e++){var g=this.internalSkillSet[e],a=a+('<skill probability="'+g.getLevel()+'"><name>'+g.getSkillName()+"</name>");g.hasCategory()&&(a+="<category>"+g.getCategory()+"</category>");g.hasModelName()&&(a+="<model_name>"+g.getModelName()+"</model_name>");a+="</skill>"}return a}};CTATSkillSet.prototype=Object.create(CTATBase.prototype);CTATSkillSet.prototype.constructor=CTATSkillSet;CTATSkillSet.skills=null;"undefined"!==typeof module&&(module.exports=CTATSkillSet);function CTATJSONObject(a,b){this.name=a||"";this.value=b||null}
-var transformArray=[],CTATJSON=function(){CTATBase.call(this,"CTATJSON","json");var a=null,b=0;this.isJSONObject=function(a){return a.ctat?!0:!1};this.parse=function(a){return this.parseJSON(a)};this.parseJSON=function(b){this.ctatdebug("parseJSON ()");a=null;if("string"==typeof b){this.ctatdebug("Parsing JSON as a string ... ");try{a=JSON.parse(b)}catch(d){return this.ctatdebug("Error parsing JSON message: "+d.message),a=null}this.ctatdebug("Successfully parsed JSON string")}this.ctatdebug("JSON string has already been parsed, assigning as an object ...");for(var e in a)return this.ctatdebug("Creating internal JSON object with name: "+
-e),b=new CTATJSONObject,b.name=e,b.value=a[e],b;return null};this.getElementName=function(a){return"object"!=typeof a?(this.ctatdebug("Internal error, the provided element is not of type CTATJSONObject, instead we found: "+typeof a),null):a.name};this.getElementValue=function(a){return null==a?(this.ctatdebug("Error: anElement is null"),null):"object"!=typeof a?(this.ctatdebug("Internal error, the provided element is not of type CTATJSONObject, instead we found: "+typeof a),null):a.value};this.getElementChildren=
-function(a){if(null==a)return this.ctatdebug("Error: anElement is null"),null;if("object"!=typeof a)return this.ctatdebug("Internal error, the provided element is not of type CTATJSONObject, instead we found: "+typeof a),null;var b=a.value,d=[],c;for(c in b){var f=b[c];if("string"==typeof f)a=new CTATJSONObject,a.name=c,a.value=f,d.push(a);else if(null==f[0]||void 0==f[0])a=new CTATJSONObject,a.name=c,a.value=f,d.push(a);else for(var e in f)a=new CTATJSONObject,a.name=c,a.value=f[e],d.push(a)}return d};
-this.getNodeTextValue=function(a){if("string"!=typeof a.value){var b=null;for(b in a.value)if("content"==b)return a.value[b].toString();for(b in a.value)if("value"==b)return a.value[b].toString()}return a.value};this.getElementAttr=function(a,b){var d=a.value,c;for(c in d)if(c==b)return d[c];return null};this.isArray=function(a){return"[object Array]"===Object.prototype.toString.call(a)};this.walkDOM=function(a){this.ctatdebug("walkDOM () >>>>>>>>>>>>>>>>>>");b=0;this.walk(a);this.ctatdebug("walkDOM () <<<<<<<<<<<<<<<<<<")};
-this.walk=function(a){b++;if(!(5<b)){var e=0,d;for(d in a){var c=a[d];this.ctatdebug("("+e+") typeof (key): "+typeof d+" -> typeof(value): "+typeof c+"("+c.length+")");"string"!=typeof c?(this.ctatdebug("walk ("+d+")"),this.walk(c)):this.ctatdebug("walk ("+d+") : "+c);e++}}};this.stringify=function(a){return this.toJSONString(a)};this.toJSONString=function(a){return JSON.stringify(a,null,2)};this.syntaxHighlight=function(a){"string"!=typeof a&&(a=JSON.stringify(a,void 0,2));a=a.replace(/&/g,"&amp;").replace(/</g,
-"&lt;").replace(/>/g,"&gt;");return a.replace(/("(\\u[a-zA-Z0-9]{4}|\\[^u]|[^\\"])*"(\s*:)?|\b(true|false|null)\b|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?)/g,function(a){var b="number";/^"/.test(a)?b=/:$/.test(a)?"key":"string":/true|false/.test(a)?b="boolean":/null/.test(a)&&(b="null");return'<span class="'+b+'">'+a+"</span>"})}};CTATJSON.prototype=Object.create(CTATBase.prototype);CTATJSON.prototype.constructor=CTATJSON;"undefined"!==typeof module&&(module.exports=CTATJSON);var CTATMessage=function(a){function b(a){var b={},c=d.getElementChildren(a);this.ctatdebug("CTATMessage.parseCustomFields("+d.stringify(a)+"): cfElts.length "+c.length);for(a=0;a<c.length;++a){var f=c[a];if("custom_field"==d.getElementName(f)){for(var e=null,g=null,f=d.getElementChildren(f),l=0,h=0;l<f.length&&2>h;++l){var m=f[l];switch(d.getElementName(m)){case "name":e=d.getNodeTextValue(m);h++;break;case "value":g=d.getNodeTextValue(m),h++}}e&&(b[e]=g?g:"",this.ctatdebug("CTATMessage.parseCustomFields(): result["+
-e+"]="+b[e]+";"))}}return b}CTATBase.call(this,"CTATMessage","message");CTATMessage.makeTransactionId=function(){return CTATGuid.guid()};var e=a,g=null,d=null;void 0==a&&(e=null);d="xml"==CTATConfig.parserType?new CTATXML:new CTATJSON;e&&(this.ctatdebug("messageParser "+d+", messageObj "+e),e.children&&this.ctatdebug(e.children));var c="ungraded",f=!1,h=!1,m=new CTATSkillSet,l="",q="",p="",u="",r="",w,n=null,B=null,v=!1;this.setURL=function(a){w=a};this.getURL=function(){return w};this.assignSAI=
-function(a){h=!0;n=a};this.setTransactionID=function(a){q=a};this.getTransactionID=function(){return q};this.setGradeResult=function(a){c=a};this.getGradeResult=function(){return c};this.getXMLObject=function(){return e};this.getSkillsObject=function(){return m};this.getCustomFields=function(){return B};this.getSuccessMessage=function(){return p};this.getBuggyMsg=function(){return u};this.getHighlightMsg=function(){return r};this.parse=function(){this.ctatdebug("parse ()");if(null!==e){this.ctatdebug("messageParser: "+
-d);this.ctatdebug("Root name: "+d.getElementName(e));"tool_message"==d.getElementName(e)?(this.ctatdebug("Detected tool message"),l="tool_message"):"message"!=d.getElementName(e)?(this.ctatdebug("Detected log message"),f=!0,l=d.getElementName(e)):(this.ctatdebug("Detected regular message"),f=!1,this.parseMessageType());this.parseTransactionID();this.parseSAI();for(var a=d.getElementChildren(e),b=0;b<a.length;b++){var c=a[b];"properties"==d.getElementName(c)&&(ctatdebug("Found a 'properties' element ... "),
-g=d.getElementChildren(c))}this.ctatdebug("Message "+l+", with transaction id: "+q)}};this.parseSAI=function(){this.ctatdebug("parseSAI ()");var a="",c="",g="",q="",v=[],C=[],E=[];if("tool_message"==l){this.ctatdebug("Parsing s, a and i");a=d.getElementChildren(e);for(c=0;c<a.length;c++)if(g=a[c],"tool_message"==d.getElementName(g))for(g=d.getElementChildren(g),q=0;q<g.length;q++)v=g[q],"event_descriptor"==d.getElementName(v)&&(n=new CTATSAI,n.fromXMLInternal(v));h=!0}else{if(f){this.ctatdebug("isLogMessage ...");
-for(var t=d.getElementChildren(e),G=0;G<t.length;G++){var z=t[G];if("event_descriptor"==d.getElementName(z))for(var z=d.getElementChildren(z),J=0;J<z.length;J++){var H=z[J];"selection"==d.getElementName(H)&&(a=d.getNodeTextValue(H),v.push(H));"action"==d.getElementName(H)&&(c=d.getNodeTextValue(H),C.push(H));"input"==d.getElementName(H)&&(g=d.getNodeTextValue(H),E.push(H));"prompt"==d.getElementName(H)&&(q=d.getNodeTextValue(H))}}}else for(this.ctatdebug("!isLogMessage ..."),t=d.getElementChildren(e),
-G=0;G<t.length;G++)if(z=t[G],"properties"==d.getElementName(z))for(z=d.getElementChildren(z),J=0;J<z.length;J++){var H=z[J],K=d.getElementName(H);this.ctatdebug("Nodename: "+K);switch(K){case "URL":w=d.getNodeTextValue(H);break;case "Skills":m.parseByValue(H);break;case "SuccessMsg":p=a=d.getNodeTextValue(H);break;case "BuggyMsg":u=d.getNodeTextValue(H);break;case "Selection":a=d.getNodeTextValue(H);v.push(H);break;case "Action":c=d.getNodeTextValue(H);C.push(H);break;case "Input":g=d.getNodeTextValue(H);
-E.push(H);break;case "prompt":q=d.getNodeTextValue(H);break;case "HighlightMsgText":r=d.getNodeTextValue(H);break;case "custom_fields":B=b(H)}}this.ctatdebug("SAI: "+a+","+c+","+g);""!==a&&null!==a?(n=new CTATSAI(a,c,g,q),n.setArrayFromElements(v),n.setArrayFromElements(C),n.setArrayFromElements(E),h=!0):(this.ctatdebug("No SAI found"),h=!1);this.ctatdebug("parseSAI () done, hassai: "+h+", ("+a+","+c+","+g+","+q+")")}};this.parseTransactionID=function(){this.ctatdebug("parseTransactionID()");if("tool_message"!=
-l){if(!f)for(var a=d.getElementChildren(e),b=0;b<a.length;b++){var c=a[b];if("properties"==d.getElementName(c))for(var c=d.getElementChildren(c),g=0;g<c.length;g++){var h=c[g];"transaction_id"==d.getElementName(h)&&(q=d.getNodeTextValue(h))}}this.ctatdebug("parseTransactionID() done, id: "+q)}};this.parseMessageType=function(){this.ctatdebug("parseMessageType()");for(var a=d.getElementChildren(e),b=0;b<a.length;b++){var c=a[b];if("properties"==d.getElementName(c))for(var c=d.getElementChildren(c),
-f=0;f<c.length;f++){var g=c[f];"MessageType"==d.getElementName(g)&&(l=d.getNodeTextValue(g))}}this.ctatdebug("parseMessageType() -> "+l)};this.getMessageType=function(){return l};this.getTransactionID=function(){return q};this.getSAI=function(){return h?n:new CTATSAI};this.getSelection=function(){return h?n.getSelection():""};this.getAction=function(){return h?n.getAction():""};this.getInput=function(){return h?n.getInput():""};this.getSelectionArray=function(){return h?n.getSelectionArray():[]};
-this.getActionArray=function(){return h?n.getActionArray():[]};this.getInputArray=function(){return h?n.getInputArray():[]};this.getXML=function(){return e};this.getXMLString=function(a){if(e.xml)return e.xml;if(XMLSerializer)return(new XMLSerializer).serializeToString(e);alert("ERROR: Extremely old browser");return""};this.getIndicator=function(){return"AssociatedRules"!=l?"":this.getProperty("Indicator")};this.getIndicatorSub=function(){return"AssociatedRules"!=l?"":this.getProperty("IndicatorSub")};
-this.setProperty=function(a,b){this.ctatdebug("setProperty ("+a+","+b+")");if(null!==g)for(var c=0;c<g.length;c++)d.getElementName(g[c]);else this.ctatdebug("Internal error: no messageProperties object available")};this.getProperty=function(a){if(!f)if(null!==g)for(var b=0;b<g.length;b++){var c=g[b];if(d.getElementName(c)==a)return d.getNodeTextValue(c)}else this.ctatdebug("Internal error: no messageProperties object available");return""};this.hasProperty=function(a){a=this.getProperty(a);return!f&&
-""!==a};this.hasSAI=function(){return h};this.isEndOfTransaction=function(){return"true"==this.getProperty("end_of_transaction")?!0:!1};this.isLogMessageType=function(){return f};this.hasStudentSAI=function(){return!1};this.getStudentSelection=function(){return null.getSelection()};this.getStudentAction=function(){return null.getAction()};this.getStudentInput=function(){return null.getInput()};this.getStudentSAI=function(){return null};this.getToolSelection=function(){return""};q=CTATMessage.makeTransactionId();
-this.parse();this.init=function(a){this.setMessageType(a)};this.setSelection=function(a){n&&n.setSelection(a);this.setProperty("SELECTION",a)};this.setAction=function(a){n&&n.setAction(a);this.setProperty("ACTION",a)};this.setInput=function(a){n&&n.setInput(a);this.setProperty("INPUT",a)};this.lockTransactionId=function(a){if(null===a||"undefined"===typeof a||1>a.length)throw new CTATExampleTracerException("lockTranactionId() argument "+a+" must be a valid id");this.setProperty(CTATMessage.TRANSACTION_ID_TAG,
-a);v=!0};this.setMessageType=function(a){this.setProperty(CTATMessage.MESSAGE_TYPE,a);l=a};this.setTransactionId=function(a){if(!v){if(null===a||"undefined"===typeof a||1>a.length)a=CTATMessage.makeTransactionId();this.setProperty(CTATMessage.TRANSACTION_ID_TAG,a)}};CTATMessage.create=function(a,b){var c=new CTATMessage;c.init(a);return c}};Object.defineProperty(CTATMessage,"MESSAGE_TYPE",{enumerable:!1,configurable:!1,writable:!1,value:"MessageType"});
+"\u00fa",a["&ucirc;"]="\u00fb",a["&uuml;"]="\u00fc",a["&yacute;"]="\u00fd",a["&thorn;"]="\u00fe",a["&yuml;"]="\u00ff",a["&gt;"]=">",a["&lt;"]="<",a["&#61;"]="=",a["&361;"]="=",a["&quot;"]='"');ctatdebug("(singleQuoteEscape==true) Replacing &apos; with: \\'");a["&apos;"]="\\'"};this.entitiesConvert=function(a){ctatdebug("entitiesConvert ()");return this.urldecode(unescape(a))};this.entitiesGenerate=function(a){return g=a};this.htmlEncode=function(a){return a};this.htmlDecode=function(a){return"undefined"!==
+typeof $?$("<div/>").html(a).text():"undefined"!==typeof Entities?(new Entities).decode(a):a}};"undefined"!==typeof module&&(module.exports=CTATHTMLManager);var CTATLogMessageBuilder=function(){CTATBase.call(this,"CTATLogMessageBuilder","logmessagebuilder");var a=this,g=[],f=[];this.setContextName=function(a){CTATLogMessageBuilder.contextGUID=a};this.getContextName=function(){return CTATLogMessageBuilder.contextGUID};this.makeSessionElement=function(){var a=flashVars.getRawFlashVars();return void 0!=a.log_session_id&&null!=a.log_session_id?"<session_id>"+a.log_session_id+"</session_id>":"<session_id>"+a.session_id+"</session_id>"};this.createContextMessage=
+function(d){a.ctatdebug("createContextMessage()");var c=new Date,b=flashVars.getRawFlashVars(),e='<context_message context_message_id="'+this.getContextName()+'" name="START_PROBLEM">';d||(e+=this.makeMetaElement(c));void 0!=b.class_name?""!=b.class_name?(d="<class>"+("<name>"+b.class_name+"</name>"),void 0!=b.school_name&&(d+="<school>"+b.school_name+"</school>"),void 0!=b.period_name&&(d+="<period>"+b.period_name+"</period>"),void 0!=b.class_description&&(d+="<description>"+b.class_description+
+"</description>"),void 0!=b.instructor_name&&(d+="<instructor>"+b.instructor_name+"</instructor>"),d+="</class>"):d="<class />":d="<class />";e+=d;d=flashVars.getDatasetTypes();var f=flashVars.getDatasetNames();a.ctatdebug("Check: "+d.length+", "+f.length);if(null!=d&&null!=f){a.ctatdebug("We have valid data set names and types, adding to message ...");for(var c="<dataset>"+("<name>"+b.dataset_name+"</name>"),g=0;g<d.length;g++)a.ctatdebug("Adding ..."),c+='<level type="'+d[g]+'">',c+="<name>"+f[g]+
+"</name>";c+="<problem ";a.ctatdebug('Checking vars ["problem_tutorflag"]: '+b.problem_tutorflag);a.ctatdebug('Checking vars ["problem_otherproblemflag"]: '+b.problem_otherproblemflag);if(void 0!=b.problem_tutorflag||void 0!=b.problem_otherproblemflag)void 0!=b.problem_tutorflag?c+=' tutorFlag="'+b.problem_tutorflag+'"':void 0!=b.problem_otherproblemflag&&(c+='tutorFlag="'+b.problem_otherproblemflag+'"');c=c+">"+("<name>"+b.problem_name+"</name>");c=void 0!=b.problem_context?c+("<context>"+b.problem_context+
+"</context>"):c+"<context />";c+="</problem>";for(b=0;b<d.length;b++)c+="</level>";e+=c+"</dataset>"}b="";d=flashVars.getConditionNames();c=flashVars.getConditionTypes();f=flashVars.getConditionDescriptions();if(0<d.length)for(g=0;g<d.length;g++)b+="<condition><name>"+d[g]+"</name>",b+=""==c[g]?"":"<type>"+c[g]+"</type>",b+=""==f[g]?"":"<desc>"+f[g]+"</desc>",b+="</condition>";var e=e+b,b=flashVars.getCustomFields(),m;for(m in b)b.hasOwnProperty(m)&&(e+="<custom_field>",e+="<name>"+m+"</name>",e+=
+"<value>"+b[m]+"</value>",e+="</custom_field>");e+="</context_message>";a.ctatdebug("messageString = "+e);return e};this.createSemanticEventToolMessage=function(d,c,b,e,h,l){a.ctatdebug("createSemanticEventToolMessage("+l+")");var m=new Date;flashVars.getRawFlashVars();var n='<tool_message context_message_id="'+this.getContextName()+'">';h||(n+=this.makeMetaElement(m));c='<semantic_event transaction_id="'+c+'" name="'+b+'"';""!=e&&(c+=' subtype="'+e+'"');void 0!=l&&""!=l&&(c+=' trigger="'+l+'"');
+n+=c+"/>";e="<event_descriptor>";d=d.toXMLString(!0);n+=e+d+"</event_descriptor>";n+=this.createCustomFields(g,f);n+="</tool_message>";a.ctatdebug("messageString = "+n);return n};this.createUIEventToolMessage=function(d,c,b,e){a.ctatdebug("createUIEventToolMessage()");var h=new Date;flashVars.getRawFlashVars();var l='<tool_message context_message_id="'+this.getContextName()+'">';e||(l+=this.makeMetaElement(h));l+='<ui_event name="'+c+'">'+b+"</ui_event>";d="<event_descriptor>"+d.toSerializedString();
+l=l+(d+"</event_descriptor>")+this.createCustomFields(g,f);l+="</tool_message>";a.ctatdebug("messageString = "+l);return l};this.createTutorMessage=function(d,c,b,e,h,l,m,n){a.ctatdebug("createTutorMessage()");var p=new Date;flashVars.getRawFlashVars();var v='<tutor_message context_message_id="'+this.getContextName()+'">';n||(v+=this.makeMetaElement(p));c='<semantic_event transaction_id="'+c+'" name="'+b+'"';""!==l&&(c+=' subtype="'+l+'"');v+=c+"/>";d="<event_descriptor>"+d.toXMLString(!0);v+=d+"</event_descriptor>";
+d="<action_evaluation ";e.hasClassification()&&null!=e.getAttributeString()&&(d+=e.getAttributeString());d+=">"+e.getEvaluation()+"</action_evaluation>";v+=d;""!=h&&(v+="<tutor_advice>"+h+"</tutor_advice>");null!=m&&(a.ctatdebug("Adding skills to log message ..."),v+=m.toLogString());v+=this.createCustomFields(g,f);v+="</tutor_message>";a.ctatdebug("messageString = "+v);return v};this.createGenericMessage=function(d,c){a.ctatdebug("createGenericMessage()");flashVars.getRawFlashVars();var b='<message context_message_id="'+
+this.getContextName()+'">',b=b+d+"</message>";a.ctatdebug("messageString = "+b);return b};this.makeMetaElement=function(d){a.ctatdebug("makeMetaElement ()");var c=flashVars.getRawFlashVars(),b;b="<meta>"+("<user_id>"+c.user_guid+"</user_id>");b+="<session_id>"+c.session_id+"</session_id>";b+="<time>"+this.formatTimeStamp(d)+"</time>";return b+="<time_zone>"+flashVars.getTimeZone()+"</time_zone></meta>"};this.wrapForOLI=function(d){a.ctatdebug("wrapForOLI ()");var c=new Date,b=flashVars.getRawFlashVars();
+d=encodeURIComponent(d);var e;e='<?xml version="1.0" encoding="UTF-8"?><log_action '+('auth_token="'+encodeURIComponent(b.auth_token)+'" ');e=void 0!=b.log_session_id&&null!=b.session_id?e+('session_id="'+b.log_session_id+'" '):e+('session_id="'+b.session_id+'" ');e=e+'action_id="EVALUATE_QUESTION" '+('user_guid="'+b.user_guid+'" ');e+='date_time="'+this.formatTimeStampOLI(c)+'" ';e+='timezone="'+flashVars.getTimeZone()+'" ';e+='source_id="'+b.source_id+'" ';e=b.activity_context_guid?e+('external_object_id="'+
+b.activity_context_guid+'" info_type="tutor_message.dtd">'):e+'external_object_id="" info_type="tutor_message.dtd">';return e+d+"</log_action>"};this.createLogSessionStart=function(){a.ctatdebug("createLogSessionStart ()");var d=new Date;a.ctatdebug("Date: "+d);var c='<log_session_start timezone="'+flashVars.getTimeZone()+'" ',b=flashVars.getRawFlashVars(),c=c+('date_time="'+this.formatTimeStampOLI(d)+'" '),c=c+('auth_token="'+b.auth_token+'" '),c=c+('session_id="'+b.session_id+'" '),c=c+('user_guid="'+
+b.user_guid+'" ');return c+'class_id="" treatment_id="" assignment_id="" info_type="tutor_message.dtd"/>'};this.formatTimeStamp=function(d){a.ctatdebug("formatTimeStamp ("+d+")");var c="",b=d.getUTCFullYear(),c=c+(b+"-"),b=d.getUTCMonth();b++;c+=(10>b?"0"+b:b)+"-";b=d.getUTCDate();c+=(10>b?"0"+b:b)+" ";b=d.getUTCHours();c+=(10>b?"0"+b:b)+":";b=d.getUTCMinutes();c+=(10>b?"0"+b:b)+":";b=d.getUTCSeconds();c+=10>b?"0"+b:b;d=d.getUTCMilliseconds();return c+"."+d};this.formatTimeStampOLI=function(d){a.ctatdebug("formatTimeStampOLI ("+
+d+")");var c="",b=d.getUTCFullYear(),c=c+(b+"/"),b=d.getUTCMonth();b++;c+=(10>b?"0"+b:b)+"/";b=d.getUTCDate();c+=(10>b?"0"+b:b)+" ";b=d.getUTCHours();c+=(10>b?"0"+b:b)+":";b=d.getUTCMinutes();c+=(10>b?"0"+b:b)+":";b=d.getUTCSeconds();c+=10>b?"0"+b:b;d=d.getUTCMilliseconds();return c+"."+d};this.resetCustomFields=function(){a.ctatdebug("resetCustomFields ()");g=[];f=[]};this.createCustomFields=function(d,c){a.ctatdebug("createCustomFields ()");if(null==d||null==c)return a.ctatdebug("No custom fields provided"),
+"";a.ctatdebug("Processing "+d.length+" custom fields ...");for(var b="",e=0;e<d.length;e++)a.ctatdebug("Adding custom field: ["+d[e]+"],["+c[e]+"]"),b+="<custom_field>",b+="<name>"+d[e]+"</name>",b+="<value>"+c[e]+"</value>",b+="</custom_field>";return b};this.addCustomFields=function(d,c){a.ctatdebug("addCustomFields ()");if(void 0!=d)for(var b=0;b<d.length;b++)g.push(d[b]),f.push(c[b])};this.addCustomField=function(d,c){a.ctatdebug("addCustomfield ("+d+","+c+")");g.push(d);f.push(c)};this.getCustomFieldNames=
+function(){return g};this.getCustomFieldValues=function(){return f}};CTATLogMessageBuilder.prototype=Object.create(CTATBase.prototype);CTATLogMessageBuilder.prototype.constructor=CTATLogMessageBuilder;CTATLogMessageBuilder.contextGUID="";CTATLogMessageBuilder.commLogMessageBuilder=null;var CTATCustomLogElementObject=function(){this.reset=function(){};this.addCustomLogElement=function(a,g){customElementsNames.push(a);customElementsTypes.push(a)};this.getCustomElementNames=function(){return customElementsNames};this.getCustomElementTypes=function(){return customElementsTypes}};var loggingDisabled=!1,CTATLoggingLibrary=function(a){CTATBase.call(this,"CTATLoggingLibrary","logginglibrary");var g=this,f=!0,d=!1,c=!1,b=[],e="undefined",h="undefined",l="undefined",m="undefined",n="undefined",p="undefined",v="undefined",q="undefined",u="UnassignedDataset",w="UnassignedLevelName",B="UnassignedLevelType",y=null,C=null,q=CTATGuid.guid();void 0!=a&&null!=a?(d=a,0==d&&(CTATLogMessageBuilder.commLogMessageBuilder=new CTATLogMessageBuilder)):CTATLogMessageBuilder.commLogMessageBuilder=
+new CTATLogMessageBuilder;var A=new CTATCommLibrary;A.setName("commLoggingLibrary");A.setUseCommSettings(!1);A.setConnectionRefusedMessage("ERROR_CONN_LS");A.assignHandler(this);A.setFixedURL(CTATConfiguration.get("log_service_url"));this.getLastSAI=function(){return C};this.assignLogListener=function(b){y=b};this.generateSession=function(){b.session_id="ctat_session_"+CTATGuid.guid();return b.session_id};this.setLogClassName=function(b){e=b};this.setDatasetName=function(b){u=b};this.setDatasetLevelName=
+function(b){w=b};this.setDatasetLevelType=function(b){B=b};this.setSchool=function(b){h=b};this.setPeriod=function(b){l=b};this.setDescription=function(b){m=b};this.setInstructor=function(b){n=b};this.setProblemName=function(b){p=b};this.setProblemContext=function(b){v=b};this.setUserID=function(b){q=b};this.getLoggingCommLibrary=function(){return A};this.setUseSessionLog=function(b){f=b};this.setLoggingURL=function(b){g.getLoggingCommLibrary().setFixedURL(b)};this.getSessionIdentifierBundle=function(){var a=
+[];a.class_name=e;a.school_name=h;a.period_name=l;a.class_description=m;a.instructor_name=n;a.dataset_name=u;a.problem_name=p;a.problem_context=v;a.auth_token="";a.user_guid=q;a.session_id=b.session_id;a.source_id="tutor";a.dataset_level_name1=w;a.dataset_level_type1=B;return a};this.setupExternalLibraryUsage=function(){g.ctatdebug("setupExternalLibraryUsage ()");b.class_name=e;b.school_name=h;b.period_name=l;b.class_description=m;b.instructor_name=n;b.dataset_name=u;b.problem_name=p;b.problem_context=
+v;b.auth_token="";b.user_guid=q;b.session_id="ctat_session_"+CTATGuid.guid();b.source_id="tutor";b.dataset_level_name1=w;b.dataset_level_type1=B;flashVars=CTATConfiguration.generateDefaultConfigurationObject();flashVars.assignRawFlashVars(b)};this.initCheck=function(){g.ctatdebug("initCheck ()");0==d&&0==c&&(g.setupExternalLibraryUsage(),c=!0)};this.sendMessage=function(b){g.ctatdebug("sendMessage ()");g.ctatdebug("Raw log message to send: "+b);this.sendMessageInternal(b);null!=y&&y(b)};this.sendMessageInternal=
+function(b){g.ctatdebug("sendMessageInternal ()");if(!0===loggingDisabled)g.ctatdebug("Warning: loggingDisabled==true");else if(1==d){var a=CTATConfiguration.get("Logging");if("ClientToService"!=a&&"ClientToLogServer"!=a)g.ctatdebug("Logging is turned off, as per: "+a);else{var e=CTATConfiguration.get("tutoring_service_communication");"ClientToService"!=a||"http"!=e&&"https"!=e||(a=CTATConfiguration.get("remoteSocketURL")+":"+CTATConfiguration.get("remoteSocketPort"),g.setLoggingURL(a),g.ctatdebug("Reconfigured the logging url to be: "+
+a));g.ctatdebug("Pre encoded log message: "+b);0>b.indexOf("<log_session_start")&&(b=CTATLogMessageBuilder.commLogMessageBuilder.wrapForOLI('<?xml version="1.0" encoding="UTF-8"?><tutor_related_message_sequence version_number="4">'+b+"</tutor_related_message_sequence>"));g.ctatdebug("Encoded log message: "+b);CTATLMS.logEvent(b);CTATConfiguration.get("log_service_url")&&A.sendXMLNoBundle(b)}}else g.ctatdebug("Use internal: "+d)};this.startProblem=function(){g.ctatdebug("startProblem ()");g.initCheck();
+g.logSessionStart();CTATLogMessageBuilder.commLogMessageBuilder||(CTATLogMessageBuilder.commLogMessageBuilder=new CTATLogMessageBuilder);g.sendMessage(CTATLogMessageBuilder.commLogMessageBuilder.createContextMessage(!0))};this.logSessionStart=function(){g.ctatdebug("logSessionStart ()");g.initCheck();var b=CTATConfiguration.getRawFlashVars();void 0!=b.SessionLog&&("false"==b.SessionLog||"boolean"==typeof b.SessionLog&&!1===b.SessionLog?(g.ctatdebug("Turning SessionLog off ..."),f=!1):(g.ctatdebug("Turning SessionLog on ..."),
+f=!0));!0===f&&(CTATLogMessageBuilder.commLogMessageBuilder||(CTATLogMessageBuilder.commLogMessageBuilder=new CTATLogMessageBuilder),this.sendMessage(CTATLogMessageBuilder.commLogMessageBuilder.createLogSessionStart()))};this.logSemanticEvent=function(b,a,e,c,d,f,h){g.ctatdebug("logSemanticEvent ("+h+")");g.initCheck();C=a;var m=new Date;CTATLogMessageBuilder.commLogMessageBuilder.resetCustomFields();CTATLogMessageBuilder.commLogMessageBuilder.addCustomFields(d,f);CTATLogMessageBuilder.commLogMessageBuilder.addCustomField("tool_event_time",
+CTATLogMessageBuilder.commLogMessageBuilder.formatTimeStamp(m)+" UTC");b=CTATLogMessageBuilder.commLogMessageBuilder.createSemanticEventToolMessage(a,b,e,c,!0,h);this.sendMessage(b)};this.logTutorResponse=function(b,a,e,c,d,f,h,m,l){g.ctatdebug("logTutorResponse ()");g.initCheck();C=a;var w=new Date;CTATLogMessageBuilder.commLogMessageBuilder.resetCustomFields();CTATLogMessageBuilder.commLogMessageBuilder.addCustomFields(m,l);CTATLogMessageBuilder.commLogMessageBuilder.addCustomField("tutor_event_time",
+CTATLogMessageBuilder.commLogMessageBuilder.formatTimeStamp(w)+" UTC");g.ctatdebug("Formatting feedback ...");void 0!=f&&null!=f?f="<![CDATA["+CTATGlobals.languageManager.filterString(f)+"]]\x3e":(g.ctatdebug("No feedback provided, using empty string"),f="");g.ctatdebug("Creating tutor message ...");b=CTATLogMessageBuilder.commLogMessageBuilder.createTutorMessage(a,b,e,d,f,c,h,!0);this.sendMessage(b)};this.processMessage=function(b){g.ctatdebug("processMessage ()");g.ctatdebug("Response from log server: "+
+b)};this.start=function(){g.ctatdebug("start ()");var b=g.generateSession();g.startProblem();return b};this.logInterfaceAttempt=function(b,a,e,c){g.ctatdebug("logInterfaceAttempt ()");c=CTATGuid.guid();b=new CTATSAI(b,a,e);b.setInput(e);C=b;this.logSemanticEvent(c,b,"ATTEMPT","");return c};this.logInterfaceAttemptSAI=function(b,a){g.ctatdebug("logInterfaceAttemptSAI ()");C=b;var e=CTATGuid.guid();this.logSemanticEvent(e,b,"ATTEMPT","");return e};this.logResponse=function(b,a,e,c,d,f,h,m){g.ctatdebug("logResponse ()");
+a=new CTATSAI(a,e,c);a.setInput(c);c=new CTATActionEvaluationData("");c.setEvaluation(f);void 0==m?this.logTutorResponse(b,a,d,"",c,h):this.logTutorResponse(b,a,d,"",c,h,null,m.getCustomElementNames(),m.getCustomElementTypes())};this.logResponseSAI=function(b,a,e,c,d,f){g.ctatdebug("logResponse ()");var h=new CTATActionEvaluationData("");h.setEvaluation(c);void 0==f?this.logTutorResponse(b,a,e,"",h,d):this.logTutorResponse(b,a,e,"",h,d,null,f.getCustomElementNames(),f.getCustomElementTypes())};this.endSession=
+function(){this.generateSession()};this.then=function(b,a){return A&&"function"==typeof A.then?A.then(b,a):{then:function(){console.log("CTATLoggingLibrary.then() not supported")}}}};CTATLoggingLibrary.prototype=Object.create(CTATBase.prototype);CTATLoggingLibrary.prototype.constructor=CTATLoggingLibrary;var CTATArgument=function(){var a="",g="Undefined",f="String",d="text";this.setValue=function(a){g=a};this.getValue=function(){return g};this.setName=function(c){a=c};this.getName=function(){return a};this.setType=function(a){f=a};this.getType=function(){return f};this.setFormat=function(a){d=a};this.getFormat=function(){return d}};CTATArgument.prototype.clone=function(){var a=new CTATArgument;a.setValue(this.getValue());a.setType(this.getType());a.setFormat(this.getFormat());return a};
+"undefined"!==typeof module&&(module.exports=CTATArgument);var CTATStringUtil=function(){this.String2Boolean=function(a){switch(a){case "0":case "false":case "no":case "FALSE":case "NO":case "No":return!1}return!0};this.replaceString=function(a,g,f){return a.replace(g,f)}};"undefined"!==typeof module&&(module.exports=CTATStringUtil);var CTATSAI=function(a,g,f,d){CTATBase.call(this,"CTATSAI","sai");var c=new CTATStringUtil,b="undefined",e=[],h=[],l=[],m=[],n=null,p=this,n="xml"==CTATConfig.parserType?new CTATXML:new CTATJSON;this.getArguments=function(){return l};this.getArgument=function(b){if(0==l.length){var a=new CTATArgument;l.push(a)}return l[b]};this.getArgumentsTyped=function(){p.ctatdebug("getArgumentsTyped");var b,a=[];for(b=0;b<l.length;b++){var e=l[b];"Boolean"===e.getType()?(p.ctatdebug("Adding Boolean argument ("+
+e.getValue()+") ..."),a.push(c.String2Boolean(e.getValue()))):"Number"===e.getType()?(p.ctatdebug("Adding Number argument ("+e.getValue()+") ..."),a.push(Number(e.getValue()))):"String"===e.getType()?"No_Value"===e.getValue()?(p.ctatdebug("Detected default argument ("+e.getValue()+"), setting contents to null instead"),a.push(null)):a.push(String(e.getValue())):p.ctatdebug("Unrecognized argument type: "+e.getType()+" in "+p.toSerializedString()+" IGNORING IT!!!")}p.ctatdebug("Resulting arguments: "+
+a);return a};this.addSelection=function(b,a){var c=new CTATArgument;c.setValue(b);void 0!=a&&null!=a&&c.setType(a);e.push(c)};this.addAction=function(b){h.push(b)};this.checkDefaultArgument=function(){p.ctatdebug("checkDefaultArgument ()");if(0===l.length){p.ctatdebug("Adding default argument ...");var b=new CTATArgument;l.push(b)}};this.setArgument=function(b,a){p.checkDefaultArgument();for(var e=l.length;e<=b;++e)l.push(new CTATArgument);e=l[b];e.setValue(a);return e};this.addArgument=function(b,
+a,e){this.ctatdebug("addArgument ("+b+","+a+","+e+")");var c=new CTATArgument;c.setValue(b);c.setType(a);c.setFormat(e);l.push(c);return c};this.addExistingArgument=function(b){l.push(b);return b};this.setSAI=function(a,e,c,d,f){p.setSelection(Array.isArray(a)?0<a.length?a[0]:"":a);p.setAction(Array.isArray(e)?0<e.length?e[0]:"":e);p.setInput(Array.isArray(c)?0<c.length?c[0]:"":c);p.setType(d);b=f};this.setInput=function(b){p.ctatdebug("setInput("+b+")");p.checkDefaultArgument();p.getArgument(0).setValue(b)};
+this.getInputObject=function(){return 0===l.length?null:l[0]};this.getInput=function(){return 0===l.length?"":p.getArgument(0).getValue()};this.setType=function(b){p.checkDefaultArgument();p.getArgument(0).type=b};this.getType=function(){return 0===l.length?"":p.getArgument(0).type};this.setFormat=function(b){p.checkDefaultArgument();p.getArgument(0).setFormat(b)};this.getFormat=function(){return 0===l.length?"":p.getArgument(0).getFormat()};this.toString=function(){return"["+String(p.getSelection())+
+","+String(p.getAction())+","+String(p.getInput())+"]"};this.setSelection=function(b,a){var c=p.getSelectionObject();null==c?(c=new CTATArgument,c.setValue(b),void 0!=a&&null!=a&&c.setType(a),e.push(c)):c.setValue(b)};this.getSelectionObject=function(){return 0==e.length?null:e[0]};this.getSelection=function(){if(0==e.length)return null;var b=e[0];return"object"===typeof b?b.getValue():b};this.setAction=function(b){0<h.length?h[0]=b:h.push(b)};this.getAction=function(){return 0==h.length?null:h[0]};
+this.appendToSelectionArray=function(b,a){var c=new CTATArgument;c.setValue(String(b));void 0!=a&&null!=a&&c.setType(a);e.push(c)};this.setSelectionArray=function(b){e=[];for(var a=0;a<b.length;a++)p.appendToSelectionArray(b[a],"String")};this.getSelectionArray=function(){for(var b=[],a=0;a<e.length;a++){var c=e[a];"object"===typeof c?b.push(e[a].getValue()):b.push(c)}return b};this.appendToActionArray=function(b){null==b?h.push(""):h.push(String(b))};this.setActionArray=function(b){h=null==b?[]:
+Array.isArray(b)?b.slice():[String(b)]};this.getActionArray=function(){return h};this.appendToInputArray=function(b){p.ctatdebug("appendToInputArray ("+b+")");null==b?p.addArgument("","String","text"):p.addArgument(b,"String","text")};this.setInputArray=function(b){l=[];if(null!=b)for(var a=0;a<b.length;a++)p.appendToInputArray(b[a])};this.getInputArray=function(){p.ctatdebug("getInputArray ("+l.length+")");m=[];for(var b=0;b<l.length;b++){var a=l[b];"object"===typeof a?(p.ctatdebug("Adding object value ("+
+a.getValue()+") to temp input array"),m.push(a.getValue())):(p.ctatdebug("Adding string value ("+a+") to temp input array"),m.push(a))}return m};this.setPrompt=function(a){b=a};this.getPrompt=function(){return b};this.propagate=function(b){p.ctatdebug("propagate ()");b=b.getArguments();for(var a=0;a<b.length;a++){var e=b[a],c=l[a];if(null===e||null===c){p.ctatdebug("Internal error: argument lists do not align between received SAI and source SAI");break}c.setValue(e.getValue())}};this.fromString=function(b){b=
+n.parse(b);p.fromXML(b)};this.fromXML=function(b){p.ctatdebug("fromXML ()");l=[];b=n.getElementChildren(b);for(var a,e=0;e<b.length;e++){var c=b[e];if("selection"==n.getElementName(c)||"Selection"==n.getElementName(c)){for(var d=n.getElementChildren(c),f=!1,g=0;g<d.length;g++)a=d[g],"value"==n.getElementName(a)&&(a=n.getNodeTextValue(a),1>g?p.setSelectionArray(a):p.appendToSelectionArray(a),f=!0,p.setSelection(a));!1===f&&(a=n.getNodeTextValue(c),p.setSelectionArray(a),p.setSelection(a))}if("action"==
+n.getElementName(c)||"Action"==n.getElementName(c)){d=n.getElementChildren(c);f=!1;for(g=0;g<d.length;g++)a=d[g],"value"==n.getElementName(a)&&(a=n.getNodeTextValue(a),1>g?p.setActionArray(a):p.appendToActionArray(a),f=!0,p.setAction(a));!1===f&&(a=n.getNodeTextValue(c),p.setActionArray(a),p.setAction(a))}if("inputArray"==n.getElementName(c)||"value"==n.getElementName(c)||"Input"==n.getElementName(c)){a=n.getElementChildren(c);var h;l=[];d=new CTATHTMLManager;f=new CTATArgument;g=0;l.push(f);for(var m=
+0;m<a.length;m++){var v=a[m];"value"==n.getElementName(v)&&(h=n.getElementChildren(v),null!==h?(p.ctatdebug("Parsing SAI input ..."),p.ctatdebug("Childnodes: "+h.length),1===h.length?(h=d.htmlDecode(n.getNodeTextValue(v)),p.ctatdebug("Setting new value to: "+h),f.setValue(h)):(h=d.htmlDecode(n.getNodeTextValue(v)),p.ctatdebug("Setting new value to: "+h),f.setValue(h),f.setName(v.attributes.getNamedItem("name").value),f.setType(v.attributes.getNamedItem("type").value),f.setFormat(v.attributes.getNamedItem("format").value),
+g++),1>m?p.setInputArray(h):p.appendToInputArray(h)):(v=d.htmlDecode(n.getNodeTextValue(v)),p.ctatdebug("Setting new value to: "+v),f.setValue(v),1>m?p.setInputArray(v):p.appendToInputArray(v)))}}if("prompt"==n.getElementName(c)||"Prompt"==n.getElementName(c))p.ctatdebug("Parsing prompt ..."),p.setPrompt(n.getNodeTextValue(c))}p.checkDefaultArgument()};this.appendFromElement=function u(b,a,e,c,d){p.ctatdebug("appendFromElement ()");c=String(n.getElementName(a)).toLowerCase();if(c==b||"value"==c)if(c=
+n.getElementChildren(a),!Array.isArray(c)||1>c.length)0==d?e.push(n.getNodeTextValue(a)):p.appendToInputArray(n.getNodeTextValue(a));else for(a=0;a<c.length;++a)u(b,c[a],e,a,d)};this.setArrayFromElements=function(b){p.ctatdebug("setArrayFromElements ()");if(!b||!Array.isArray(b)||1>b.length)p.ctatdebug("can't get name: don't know whether selection, action or input");else{var a,c=String(n.getElementName(b[0])).toLowerCase();switch(c){case "selection":p.ctatdebug("Processing selection field ...");e=
+[];for(a=0;a<b.length;++a)p.appendFromElement(c,b[a],e,a,!1);break;case "action":p.ctatdebug("Processing action field ...");h=[];for(a=0;a<b.length;++a)p.appendFromElement(c,b[a],h,a,!1);break;case "input":p.ctatdebug("Processing input field ...");l=[];for(a=0;a<b.length;++a)p.appendFromElement(c,b[a],l,a,!0);break;default:console.log('CTATSAI.setArrayFromElements(): unexpected element name "'+c+'"');return}p.ctatdebug("CTATSAI.setArrayFromElements() eltName "+c+", length "+a+", selectionArray "+
+p.getSelectionArray()+", actionArray "+p.getActionArray()+", inputArray "+p.getInputArray())}};this.fromXMLInternal=function(b){p.ctatdebug("fromXMLInternal ()");new CTATXML;l=[];b=n.getElementChildren(b);for(var a,e=0;e<b.length;e++){var c=b[e];if("selection"==n.getElementName(c)||"Selection"==n.getElementName(c)){for(var d=n.getElementChildren(c),f=!1,g=0;g<d.length;g++)a=d[g],"value"==n.getElementName(a)&&(a=n.getNodeTextValue(a),1>g?p.setSelectionArray(a):p.appendToSelectionArray(a),f=!0,p.setSelection(a));
+!1===f&&(a=n.getNodeTextValue(c),p.setSelectionArray(a),p.setSelection(a))}if("action"==n.getElementName(c)||"Action"==n.getElementName(c)){d=c.childNodes;f=!1;for(g=0;g<d.length;g++)a=d[g],"value"==n.getElementName(a)&&(a=n.getNodeTextValue(a),1>g?p.setActionArray(a):p.appendToActionArray(a),f=!0,p.setAction(a));!1===f&&(a=n.getNodeTextValue(c),p.setActionArray(a),p.setAction(a))}if("inputArray"==n.getElementName(c)||"Input"==n.getElementName(c)){a=c.childNodes;l=[];var d=new CTATHTMLManager,f=new CTATArgument,
+g=0,h;l.push(f);for(var m=0;m<a.length;m++)if(h=a[m],"value"==n.getElementName(h)){var u=n.getElementChildren(h);null!==u?(p.ctatdebug("Parsing SAI input ..."),p.ctatdebug("Childnodes: "+u.length),1===u.length?(h=d.htmlDecode(n.getNodeTextValue(h)),p.ctatdebug("Setting new value to: "+h),f.setValue(h)):(h=d.htmlDecode(n.getNodeTextValue(h)),p.ctatdebug("Setting new value to: "+h),f.setValue(h),f.setName(n.getElementAttr("name")),f.setType(n.getElementAttr("type")),f.setFormat(n.getElementAttr("format")),
+g++)):(h=d.htmlDecode(n.getNodeTextValue(h)),p.ctatdebug("Setting new value to: "+h),f.setValue(h));1>m?p.setInputArray(h):p.appendToInputArray(h)}}if("prompt"==n.getElementName(c)||"Prompt"==n.getElementName(c))p.ctatdebug("Parsing prompt ..."),p.setPrompt(n.getNodeTextValue(c))}p.checkDefaultArgument()};this.toXMLString=function(b){p.ctatdebug("toXMLString ()");return b?p.toLSxmlString():p.toTSxmlString()};this.toLSxmlString=function(){p.ctatdebug("toLSxmlString ()");for(var b="",a=0;a<e.length;a++){var c=
+e[a];"object"===typeof c?(b="String"!=c.getType()?b+('<selection type="'+c.getType()+'">'):b+"<selection>",b+=c.getValue()+"</selection>"):b+="<selection>"+c+"</selection>"}b+="<action>"+p.getAction();for(a=1;a<h.length;a++)b+="</action><action>"+h[a];b+="</action>";for(a=0;a<l.length;a++)c=l[a],b="object"===typeof c?"String"!=c.getType()?b+('<input type="'+c.getType()+'"><![CDATA['+c.getValue()+"]]\x3e</input>"):b+("<input><![CDATA["+c.getValue()+"]]\x3e</input>"):b+("<input><![CDATA["+c+"]]\x3e</input>");
+return b};this.toTSxmlString=function(){p.ctatdebug("toTSxmlString ()");var b;b="<Selection><value>"+p.getSelection();for(var a=1;a<e.length;a++){var c=e[a];b="object"===typeof c?b+("</value><value>"+c.getValue()):b+("</value><value>"+c)}b+="</value></Selection><Action><value>"+p.getAction();for(a=1;a<h.length;a++)b+="</value><value>"+h[a];b+="</value></Action><Input>";if(1<l.length)for(a=0;a<l.length;a++)c=l[a],b+='<value fmt="text" name="'+c.getName()+'" type="'+c.getType()+'"><![CDATA['+c.getValue()+
+"]]\x3e</value>";else b+="<value><![CDATA["+p.getInput()+"]]\x3e</value>";return b+"</Input>"};this.toSerializedString=function(){var b;b=""+("<selection>"+p.getSelection()+"</selection><action>"+p.getAction()+"</action><inputArray>");for(var a=0;a<l.length;a++){var c=l[a];b+='<value fmt="text" name="'+c.getName()+'" type="'+c.getType()+'">'+c.getValue()+"</value>"}return b+"</inputArray>"};this.clone=function(){p.ctatdebug("clone ()");for(var b=new CTATSAI(p.getSelection(),p.getAction(),p.getInput(),
+p.getPrompt()),a=0;a<p.getArguments().length;++a)b.setArgument(a,p.getArgument(a).clone());b.setSelectionArray(p.getSelectionArray().slice());b.setActionArray(p.getActionArray().slice());b.setInputArray(p.getInputArray().slice());p.ctatdebug("CTATSAI.clone() this "+p+", clone "+b+", clone inputArray "+b.getInputArray());return b};this.isDone=function(){var b=p.getSelection(),a=p.getAction();return null==b||null==a?!1:"done"==b.toString().toLowerCase()&&"buttonpressed"==a.toString().toLowerCase()};
+var v=!1;if(Array.isArray(a)&&Array.isArray(g)&&(Array.isArray(f)||null==f)&&(p.setSelectionArray(a),p.setActionArray(g),p.setInputArray(f),v=!0,0<a.length&&0<g.length)){p.setSAI(a[0],g[0],null==f?null:f[0],"String",d);return}null!==a&&""!==a&&p.setSelection(a);null!==a&&(p.setSAI(a,g,f,"String",d),v||(p.setSelectionArray(Array.isArray(a)?a:[a]),p.setActionArray(Array.isArray(g)?g:[g]),p.setInputArray(Array.isArray(f)?f:[f]),v=!0))};CTATSAI.prototype=Object.create(CTATBase.prototype);
+CTATSAI.prototype.constructor=CTATSAI;CTATSAI.delayedActionRegExp=/^([^:]+):([0-9]+)$/;"undefined"!==typeof module&&(module.exports=CTATSAI);var CTATSkill=function(){CTATBase.call(this,"CTATSkill","skill");var a="",g="",f="",d="",c=0,b="",e=!1,h="",l="",m="",n="",p="";this.setSkillName=function(b){a=b};this.setDisplayName=function(b){g=b};this.setModelName=function(b){d=b};this.setCategory=function(b){f=b};this.setLevel=function(b){!0===isNaN(b)?ctatdebug("Error: attempting to set a level to NaN"):(c=b,this.setPKnown(String(c)))};this.setDescription=function(a){b=a};this.getSkillName=function(){return a};this.getDisplayName=function(){return g};
+this.hasDisplayName=function(){return""!==g&&null!==g};this.getModelName=function(){return d};this.hasCategory=function(){return""!==f};this.hasModelName=function(){return""!==d};this.getCategory=function(){return f};this.getLevel=function(){return c};this.getDescription=function(){return b};this.setTouched=function(b){e=b};this.getTouched=function(){return e};this.toXMLString=function(){return""};this.toSetPreferencesXMLString=function(){var c='<skill label="'+g+'" pSlip="'+l+'" description="'+b;
+return c+='" pKnown="'+m+'" category="'+f+'" pLearn="'+n+'" name="'+a+'" pGuess="'+h+'" history="'+p+'" />'};this.setPGuess=function(b){h=b};this.getPGuess=function(){return h};this.setPSlip=function(b){l=b};this.getPSlip=function(){return l};this.setPLearn=function(b){n=b};this.getPLearn=function(){return n};this.setPKnown=function(b){m=b};this.getPKnown=function(){return m};this.setSkillHistory=function(b){p=b};this.getSkillHistory=function(){return p}};CTATSkill.prototype=Object.create(CTATBase.prototype);
+CTATSkill.prototype.constructor=CTATSkill;var CTATSkillSet=function(){CTATBase.call(this,"CTATSkillSet","skills");this.internalSkillSet=[];var a=this;this.fromXMLString=function(a,f){this.ctatdebug("fromXMLString ()");this.ctatdebug("Skills string: "+a);if(null===a)this.ctatdebug("Warning: skill object is null");else if(""===a)this.ctatdebug("Info: empty skill string provided, bump");else if(a){this.ctatdebug("CTATSkillSet.fromXMLString() Raw:     "+a);var d=f?a:decodeURIComponent(a.replace(/\+/g," "));this.ctatdebug("CTATSkillSet.fromXMLString() Decoded: "+
+d);if(null!==/\/<value>.+<\/value>/.exec(d))this.parseByValue(d);else{var c=(new CTATXML).parseXML(d);this.parseByAttributes(c,d)}this.ctatdebug("fromXMLString () done")}else this.ctatdebug("Warning: skill object is undefined or otherwise empty.")};this.fromXMLData=function(a,f){this.ctatdebug("fromXMLData ()");null!==/\/<value>.+<\/value>/.exec(f)?this.parseByValue(f):this.parseByAttributes(a);this.ctatdebug("fromXMLData () done")};this.parseByValue=function(g){this.ctatdebug("parseByValue()");if(g){g=
+g.childNodes;for(var f=new CTATXML,d=0;d<g.length;d++){var c=f.getNodeTextValue(g[d]).split("`"),b=c[0].split(" ");4==c.length?this.addSkill(b[0],c[1],c[2],c[3],c[3],b[1]):this.addSkill(b[0],c[1],c[2],c[3],c[4],b[1])}}else a.ctatdebug("Error: aSkills is null")};this.parseDOM=function(a){this.ctatdebug("parseDOM()");var f=new CTATXML;a=f.getElementChildren(a);for(var d=0;d<a.length;d++){var c=f.getNodeTextValue(a[d]).split("`"),b=c[0].split(" ");4==c.length?this.addSkill(b[0],c[1],c[2],c[3],c[3],b[1]):
+this.addSkill(b[0],c[1],c[2],c[3],c[4],b[1])}};this.parseByAttributes=function(g){this.ctatdebug("parseByAttributes()");if(g)if(g=g.childNodes)for(var f=0;f<g.length;f++){var d=g[f];if("Skill"==d.nodeName||"skill"==d.nodeName){this.ctatdebug("Parsing node ("+f+"): "+d.nodeName+" -> "+d.nodeValue);var c=d.attributes.getNamedItem("name");if(c=c?c.value:""){var b=d.attributes.getNamedItem("pKnown"),b=b?b.value:"",e=d.attributes.getNamedItem("description"),e=e?e.value:"",h=d.attributes.getNamedItem("label"),
+h=h?h.value:"",l=d.attributes.getNamedItem("category"),l=l?l.value:"",m=d.attributes.getNamedItem("pGuess"),m=m?m.value:"",n=d.attributes.getNamedItem("pLearn"),n=n?n.value:"",p=d.attributes.getNamedItem("pSlip"),p=p?p.value:"",d=(d=d.attributes.getNamedItem("history"))?d.value:"";this.addSkill(c,b,.95,e,h,l,m,n,p,d)}}}else this.ctatdebug("Error: list of skill xml elements is null");else a.ctatdebug("Error: aSkills is null")};this.getSkillSet=function(){return this.internalSkillSet};this.getSize=
+function(){return this.internalSkillSet.length};this.addSkill=function(a,f,d,c,b,e,h,l,m,n){this.ctatdebug("addSkill() name = "+a+" level = "+f+" mastery = "+d+" aDescription = "+c+" adisplayName = "+b+" aCategory = "+e+" pguess= "+h+" plearn = "+l+" pslip = "+m+" history = "+n);a=this.setSkillLevel(a,f,d);this.ctatdebug("Configuring "+a.getDisplayName());c&&a.setDescription(c);b&&a.setDisplayName(b);e&&a.setCategory(e);(h||0===h)&&a.setPGuess(h);(l||0===l)&&a.setPLearn(l);(m||0===m)&&a.setPSlip(m);
+""!==n&&a.setSkillHistory(n);return a};this.addSkillAsObject=function(a){this.addSkill(a.name,a.level,a.mastery,a.description,a.label,a.category,a.pGuess,a.pLearn,a.pSlip,"")};this.setSkillLevel=function(a,f,d){this.ctatdebug("setSkillLevel ("+a+","+f+","+d+")");d=this.getSkill(a);null===d?(this.ctatdebug("Skill not found, creating new one ..."),d=new CTATSkill,d.setSkillName(a),d.setLevel(f),this.internalSkillSet.push(d)):(this.ctatdebug("Skill found, adjusting ..."),d.setLevel(1),d.setLevel(f));
+d.setTouched(!0);return d};this.getSkill=function(a){this.ctatdebug("getSkill ("+a+") -> "+this.internalSkillSet.length);if(!a)return null;for(var f=0;f<this.internalSkillSet.length;f++){var d=this.internalSkillSet[f];if(d.getSkillName()==a)return this.ctatdebug("Returning: "+f),d}return null};this.getSkillLevel=function(a){if(!a)return-1;for(var f in this.internalSkillSet)if(f.getSkillName()==a)return f.getLevel();return-1};this.getTouched=function(){this.ctatdebug("getTouched ()");for(var a=[],
+f=0;f<this.internalSkillSet.length;f++){var d=this.internalSkillSet[f];!0===d.getTouched()&&(this.ctatdebug("Adding touched skill: "+d.getSkillName()),a.push(d))}return a};this.untouchSkills=function(){this.ctatdebug("untouchSkills ()");for(var a=0;a<this.internalSkillSet.length;a++)this.internalSkillSet[a].setTouched(!1)};this.toSetPreferencesXMLString=function(){this.ctatdebug("toSetPreferencesXMLString ()");for(var a="<skills>",f=0;f<this.internalSkillSet.length;f++)a+=this.internalSkillSet[f].toSetPreferencesXMLString();
+return a+"</skills>"};this.toLogString=function(){this.ctatdebug("toLogString ("+this.internalSkillSet.length+")");for(var a="",f=0;f<this.internalSkillSet.length;f++){var d=this.internalSkillSet[f],a=a+('<skill probability="'+d.getLevel()+'"><name>'+d.getSkillName()+"</name>");d.hasCategory()&&(a+="<category>"+d.getCategory()+"</category>");d.hasModelName()&&(a+="<model_name>"+d.getModelName()+"</model_name>");a+="</skill>"}return a}};CTATSkillSet.prototype=Object.create(CTATBase.prototype);
+CTATSkillSet.prototype.constructor=CTATSkillSet;CTATSkillSet.skills=null;"undefined"!==typeof module&&(module.exports=CTATSkillSet);function CTATJSONObject(a,g){this.name=a||"";this.value=g||null}
+var transformArray=[],CTATJSON=function(){CTATBase.call(this,"CTATJSON","json");var a=null,g=0;this.isJSONObject=function(a){return a.ctat?!0:!1};this.parse=function(a){return this.parseJSON(a)};this.parseJSON=function(f){this.ctatdebug("parseJSON ()");a=null;if("string"==typeof f){this.ctatdebug("Parsing JSON as a string ... ");try{a=JSON.parse(f)}catch(c){return this.ctatdebug("Error parsing JSON message: "+c.message),a=null}this.ctatdebug("Successfully parsed JSON string")}this.ctatdebug("JSON string has already been parsed, assigning as an object ...");for(var d in a)return this.ctatdebug("Creating internal JSON object with name: "+
+d),f=new CTATJSONObject,f.name=d,f.value=a[d],f;return null};this.getElementName=function(a){return"object"!=typeof a?(this.ctatdebug("Internal error, the provided element is not of type CTATJSONObject, instead we found: "+typeof a),null):a.name};this.getElementValue=function(a){return null==a?(this.ctatdebug("Error: anElement is null"),null):"object"!=typeof a?(this.ctatdebug("Internal error, the provided element is not of type CTATJSONObject, instead we found: "+typeof a),null):a.value};this.getElementChildren=
+function(a){if(null==a)return this.ctatdebug("Error: anElement is null"),null;if("object"!=typeof a)return this.ctatdebug("Internal error, the provided element is not of type CTATJSONObject, instead we found: "+typeof a),null;var d=a.value,c=[],b;for(b in d){var e=d[b];if("string"==typeof e)a=new CTATJSONObject,a.name=b,a.value=e,c.push(a);else if(null==e[0]||void 0==e[0])a=new CTATJSONObject,a.name=b,a.value=e,c.push(a);else for(var f in e)a=new CTATJSONObject,a.name=b,a.value=e[f],c.push(a)}return c};
+this.getNodeTextValue=function(a){if("string"!=typeof a.value){var d=null;for(d in a.value)if("content"==d)return a.value[d].toString();for(d in a.value)if("value"==d)return a.value[d].toString()}return a.value};this.getElementAttr=function(a,d){var c=a.value,b;for(b in c)if(b==d)return c[b];return null};this.isArray=function(a){return"[object Array]"===Object.prototype.toString.call(a)};this.walkDOM=function(a){this.ctatdebug("walkDOM () >>>>>>>>>>>>>>>>>>");g=0;this.walk(a);this.ctatdebug("walkDOM () <<<<<<<<<<<<<<<<<<")};
+this.walk=function(a){g++;if(!(5<g)){var d=0,c;for(c in a){var b=a[c];this.ctatdebug("("+d+") typeof (key): "+typeof c+" -> typeof(value): "+typeof b+"("+b.length+")");"string"!=typeof b?(this.ctatdebug("walk ("+c+")"),this.walk(b)):this.ctatdebug("walk ("+c+") : "+b);d++}}};this.stringify=function(a){return this.toJSONString(a)};this.toJSONString=function(a){return JSON.stringify(a,null,2)};this.syntaxHighlight=function(a){"string"!=typeof a&&(a=JSON.stringify(a,void 0,2));a=a.replace(/&/g,"&amp;").replace(/</g,
+"&lt;").replace(/>/g,"&gt;");return a.replace(/("(\\u[a-zA-Z0-9]{4}|\\[^u]|[^\\"])*"(\s*:)?|\b(true|false|null)\b|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?)/g,function(a){var c="number";/^"/.test(a)?c=/:$/.test(a)?"key":"string":/true|false/.test(a)?c="boolean":/null/.test(a)&&(c="null");return'<span class="'+c+'">'+a+"</span>"})}};CTATJSON.prototype=Object.create(CTATBase.prototype);CTATJSON.prototype.constructor=CTATJSON;"undefined"!==typeof module&&(module.exports=CTATJSON);var CTATMessage=function(a){function g(a){var c=[],e=b.getElementChildren(a);this.ctatdebug("CTATMessage.parseCustomFields("+b.stringify(a)+"): valueElts.length "+e.length);for(a=0;a<e.length;++a){var d=e[a];"value"!=b.getElementName(d)?console.log("CTATMessage.parseRules(): unexpected element name "+b.getElementName(d)+" at custom_fields["+a+"]"):(d=b.getNodeTextValue(d))&&c.push(d)}return c}function f(a){var c={},e=b.getElementChildren(a);this.ctatdebug("CTATMessage.parseCustomFields("+b.stringify(a)+
+"): cfElts.length "+e.length);for(a=0;a<e.length;++a){var d=e[a];if("custom_field"==b.getElementName(d)){for(var f=null,g=null,d=b.getElementChildren(d),h=0,m=0;h<d.length&&2>m;++h){var l=d[h];switch(b.getElementName(l)){case "name":f=b.getNodeTextValue(l);m++;break;case "value":g=b.getNodeTextValue(l),m++}}f&&(c[f]=g?g:"",this.ctatdebug("CTATMessage.parseCustomFields(): result["+f+"]="+c[f]+";"))}}return c}CTATBase.call(this,"CTATMessage","message");CTATMessage.makeTransactionId=function(){return CTATGuid.guid()};
+var d=a,c=null,b=null;void 0==a&&(d=null);b="xml"==CTATConfig.parserType?new CTATXML:new CTATJSON;d&&(this.ctatdebug("messageParser "+b+", messageObj "+d),d.children&&this.ctatdebug(d.children));var e="ungraded",h=!1,l=!1,m=new CTATSkillSet,n="",p="",v="",q="",u="",w=!0,B,y=null,C=null,A=null,r=!1;this.setURL=function(b){B=b};this.getURL=function(){return B};this.assignSAI=function(b){l=!0;y=b};this.setTransactionID=function(b){p=b};this.getTransactionID=function(){return p};this.setGradeResult=function(b){e=
+b};this.getGradeResult=function(){return e};this.getXMLObject=function(){return d};this.getSkillsObject=function(){return m};this.getCustomFields=function(){return C};this.getRules=function(){return A};this.getSuccessMessage=function(){return v};this.getBuggyMsg=function(){return q};this.getHighlightMsg=function(){return u};this.parse=function(){this.ctatdebug("parse ()");if(null!==d){this.ctatdebug("messageParser: "+b);this.ctatdebug("Root name: "+b.getElementName(d));"tool_message"==b.getElementName(d)?
+(this.ctatdebug("Detected tool message"),n="tool_message"):"message"!=b.getElementName(d)?(this.ctatdebug("Detected log message"),h=!0,n=b.getElementName(d)):(this.ctatdebug("Detected regular message"),h=!1,this.parseMessageType());this.parseTransactionID();this.parseSAI();for(var a=b.getElementChildren(d),e=0;e<a.length;e++){var f=a[e];"properties"==b.getElementName(f)&&(ctatdebug("Found a 'properties' element ... "),c=b.getElementChildren(f))}this.ctatdebug("Message "+n+", with transaction id: "+
+p)}};this.parseSAI=function(){this.ctatdebug("parseSAI ()");var a="",c="",e="",w="",p=[],r=[],G=[];if("tool_message"==n){this.ctatdebug("Parsing s, a and i");a=b.getElementChildren(d);for(c=0;c<a.length;c++)if(e=a[c],"tool_message"==b.getElementName(e))for(e=b.getElementChildren(e),w=0;w<e.length;w++)p=e[w],"event_descriptor"==b.getElementName(p)&&(y=new CTATSAI,y.fromXMLInternal(p));l=!0}else{if(h){this.ctatdebug("isLogMessage ...");for(var I=b.getElementChildren(d),R=0;R<I.length;R++){var O=I[R];
+if("event_descriptor"==b.getElementName(O))for(var O=b.getElementChildren(O),L=0;L<O.length;L++){var E=O[L];"selection"==b.getElementName(E)&&(a=b.getNodeTextValue(E),p.push(E));"action"==b.getElementName(E)&&(c=b.getNodeTextValue(E),r.push(E));"input"==b.getElementName(E)&&(e=b.getNodeTextValue(E),G.push(E));"prompt"==b.getElementName(E)&&(w=b.getNodeTextValue(E))}}}else for(this.ctatdebug("!isLogMessage ..."),I=b.getElementChildren(d),R=0;R<I.length;R++)if(O=I[R],"properties"==b.getElementName(O))for(O=
+b.getElementChildren(O),L=0;L<O.length;L++){var E=O[L],M=b.getElementName(E);this.ctatdebug("Nodename: "+M);switch(M){case "URL":B=b.getNodeTextValue(E);break;case "Skills":m.parseByValue(E);break;case "SuccessMsg":v=a=b.getNodeTextValue(E);break;case "BuggyMsg":q=b.getNodeTextValue(E);break;case "Selection":a=b.getNodeTextValue(E);p.push(E);break;case "Action":c=b.getNodeTextValue(E);r.push(E);break;case "Input":e=b.getNodeTextValue(E);G.push(E);break;case "prompt":w=b.getNodeTextValue(E);break;
+case "HighlightMsgText":u=b.getNodeTextValue(E);break;case "custom_fields":C=f(E);break;case "Rules":A=g(E)}}this.ctatdebug("SAI: "+a+","+c+","+e);""!==a&&null!==a?(y=new CTATSAI(a,c,e,w),y.setArrayFromElements(p),y.setArrayFromElements(r),y.setArrayFromElements(G),l=!0):(this.ctatdebug("No SAI found"),l=!1);this.ctatdebug("parseSAI () done, hassai: "+l+", ("+a+","+c+","+e+","+w+")")}};this.parseTransactionID=function(){this.ctatdebug("parseTransactionID()");if("tool_message"!=n){if(!h)for(var a=
+b.getElementChildren(d),c=0;c<a.length;c++){var e=a[c];if("properties"==b.getElementName(e))for(var e=b.getElementChildren(e),f=0;f<e.length;f++){var g=e[f];"transaction_id"==b.getElementName(g)&&(p=b.getNodeTextValue(g))}}this.ctatdebug("parseTransactionID() done, id: "+p)}};this.parseMessageType=function(){this.ctatdebug("parseMessageType()");for(var a=b.getElementChildren(d),c=0;c<a.length;c++){var e=a[c];if("properties"==b.getElementName(e))for(var e=b.getElementChildren(e),f=0;f<e.length;f++){var g=
+e[f];"MessageType"==b.getElementName(g)&&(n=b.getNodeTextValue(g))}}this.ctatdebug("parseMessageType() -> "+n)};this.getMessageType=function(){return n};this.getTransactionID=function(){return p};this.getSAI=function(){return l?y:new CTATSAI};this.getSelection=function(){return l?y.getSelection():""};this.getAction=function(){return l?y.getAction():""};this.getInput=function(){return l?y.getInput():""};this.getSelectionArray=function(){return l?y.getSelectionArray():[]};this.getActionArray=function(){return l?
+y.getActionArray():[]};this.getInputArray=function(){return l?y.getInputArray():[]};this.getXML=function(){return d};this.getXMLString=function(b){if(d.xml)return d.xml;if(XMLSerializer)return(new XMLSerializer).serializeToString(d);alert("ERROR: Extremely old browser");return""};this.getIndicator=function(){return"AssociatedRules"!=n?"":this.getProperty("Indicator")};this.getIndicatorSub=function(){return"AssociatedRules"!=n?"":this.getProperty("IndicatorSub")};this.setProperty=function(a,e){this.ctatdebug("setProperty ("+
+a+","+e+")");if(null!==c)for(var d=0;d<c.length;d++)b.getElementName(c[d]);else this.ctatdebug("Internal error: no messageProperties object available")};this.getProperty=function(a){if(!h)if(null!==c)for(var e=0;e<c.length;e++){var d=c[e];if(b.getElementName(d)==a)return b.getNodeTextValue(d)}else this.ctatdebug("Internal error: no messageProperties object available");return""};this.hasProperty=function(b){b=this.getProperty(b);return!h&&""!==b};this.hasSAI=function(){return l};this.isEndOfTransaction=
+function(){return"true"==this.getProperty("end_of_transaction")?!0:!1};this.isLogMessageType=function(){return h};this.hasStudentSAI=function(){return!1};this.getStudentSelection=function(){return null.getSelection()};this.getStudentAction=function(){return null.getAction()};this.getStudentInput=function(){return null.getInput()};this.getStudentSAI=function(){return null};this.getToolSelection=function(){return""};p=CTATMessage.makeTransactionId();this.parse();this.init=function(b){this.setMessageType(b)};
+this.setSelection=function(b){y&&y.setSelection(b);this.setProperty("SELECTION",b)};this.setAction=function(b){y&&y.setAction(b);this.setProperty("ACTION",b)};this.setInput=function(b){y&&y.setInput(b);this.setProperty("INPUT",b)};this.lockTransactionId=function(b){if(null===b||"undefined"===typeof b||1>b.length)throw new CTATExampleTracerException("lockTranactionId() argument "+b+" must be a valid id");this.setProperty(CTATMessage.TRANSACTION_ID_TAG,b);r=!0};this.setMessageType=function(b){this.setProperty(CTATMessage.MESSAGE_TYPE,
+b);n=b};this.setTransactionId=function(b){if(!r){if(null===b||"undefined"===typeof b||1>b.length)b=CTATMessage.makeTransactionId();this.setProperty(CTATMessage.TRANSACTION_ID_TAG,b)}};this.suppressLogging=function(){w=!1};this.isLoggingSuppressed=function(){return!w};CTATMessage.create=function(b,a){var c=new CTATMessage;c.init(b);return c}};Object.defineProperty(CTATMessage,"MESSAGE_TYPE",{enumerable:!1,configurable:!1,writable:!1,value:"MessageType"});
 Object.defineProperty(CTATMessage,"TRANSACTION_ID_TAG",{enumerable:!1,configurable:!1,writable:!1,value:"transaction_id"});CTATMessage.prototype=Object.create(CTATBase.prototype);CTATMessage.prototype.constructor=CTATMessage;"undefined"!==typeof module&&(module.exports=CTATMessage);var CTATComponentDescription=function(){CTATBase.call(this,"CTATComponentDescription","");this.groupName=this.name=this.type="Unknown";this.height=this.width=this.y=this.x=0;this.tabIndex=this.zIndex=-1;this.styles={};this.params={};this.componentPointer=null;this.setComponentPointer=function(a){this.componentPointer=a};this.getComponentPointer=function(){return this.componentPointer};this.setGenericDefaults=function(){this.name="Generic name";this.styles={BackgroundColor:null,BorderColor:null,FontName:null,
-FontSize:null,FontColor:null,FontBold:null,FontItalic:!1,FontUnderlined:!1,TextAlign:null,ShowHintHighlight:!1,blockOnCorrect:!1,disabledBackgroundColor:"#999999",disabledTextColor:"#999999",tutorComponent:null};return this}};CTATComponentDescription.prototype=Object.create(CTATBase.prototype);CTATComponentDescription.prototype.constructor=CTATComponentDescription;var CTATShellTools={ctat_base:new CTATBase("CTATShellTools","shelltools"),component_descriptions:{},registerComponentDescription:function(a){CTATShellTools.ctat_base.ctatdebug("registerComponentDescription ("+a.name+","+a.type+")");CTATShellTools.component_descriptions[a.name]=a},listComponents:function(){CTATShellTools.ctat_base.ctatdebug("listComponents ()");var a=CTATShellTools.component_descriptions,b;for(b in a){var e=a[b];CTATShellTools.ctat_base.ctatdebug("Obtaining component for "+e.name+
-" with type: "+e.type);e=e.getComponentPointer();null!==e?CTATShellTools.ctat_base.ctatdebug("Component: "+e.getName()+" of instance: "+e.getClassName()):CTATShellTools.ctat_base.ctatdebug("Error: component pointer is null")}},feedback_components:[],registerFeedbackComponent:function(a,b,e,g,d){CTATShellTools.feedback_components.push({component:a,next:b,prev:e,showHints:g,showFeedback:d})},showNextHint:function(){CTATShellTools.feedback_components.forEach(function(a){a.next&&a.next.bind(a.component)()})},
-showPrevHint:function(){CTATShellTools.feedback_components.forEach(function(a){a.prev&&a.prev.bind(a.component)()})},showFeedback:function(a){0==CTATShellTools.feedback_components.length?CTATScrim.scrim.OKScrimUp(a,null):CTATShellTools.feedback_components.forEach(function(b){b.showFeedback&&b.showFeedback.bind(b.component)(a)})},showHints:function(a){CTATShellTools.feedback_components.forEach(function(b){b.showHints&&b.showHints.bind(b.component)(a)})},getCurrentMs:function(){return(new Date).valueOf()},
-getAllComponents:function(){var a=[];$(".CTATComponent").each(function(){a.push($(this).data("CTATComponent"))});return a},getNameFromGroup:function(a){CTATShellTools.ctat_base.ctatdebug("getNameFromGroup ("+a+")");var b=a.split(" ");return 1==b.length?a:b[0].substring(0,b[0].length-1)},findComponent:function(a,b){CTATShellTools.ctat_base.ctatdebug("findComponent("+a+")");var e=CTATShellTools.component_descriptions,g=[],d=null,d=-1<a.indexOf(".")?$('[id="'+a+'"]'):$("#"+a);if(0<d.length){var c=[];
-d.each(function(){$(this).data("CTATComponent")&&c.push($(this).data("CTATComponent"))});if(0<c.length)return c}d=$('div[data-ctat-component]:has(input[name="'+a+'"])');if(0<d.length){var f=[];d.each(function(){$(this).data("CTATComponent")&&f.push($(this).data("CTATComponent"))});if(0<f.length)return f}if("done"==a){var h=[];$(".CTATDoneButton").each(function(){$(this).data("CTATComponent")&&h.push($(this).data("CTATComponent"))});if(0<h.length)return h}else if("hint"==a){var m=[];$(".CTATHintButton").each(function(){$(this).data("CTATComponent")&&
-m.push($(this).data("CTATComponent"))});if(0<m.length)return m}CTATShellTools.ctat_base.ctatdebug("JQuery couldn't find the component, let's try our internal list ...");for(var l in e){d=e[l];if(null===d)return CTATShellTools.ctat_base.ctatdebug("Internal error parsing component at index "+l),null;if(null===d.name)return CTATShellTools.ctat_base.ctatdebug("Internal error parsing component at index "+l+" (no name attribute available)"),null;CTATShellTools.ctat_base.ctatdebug("Comparing "+d.name+" to: "+
-a);if(d.name==a){if(null===d.getComponentPointer())return CTATShellTools.ctat_base.ctatdebug("Internal error, found a component description for ["+d.name+"], but component pointer is null"),null;CTATShellTools.ctat_base.ctatdebug("Found a component description for ["+d.name+"], returning pointer ("+d.getComponentPointer()+") ...");g=[];g.push(d.getComponentPointer());return g}d.groupName==a&&(CTATShellTools.ctat_base.ctatdebug("Found the component group ("+d.groupName+"), adding component instance for "+
-d.name+" ..."),g.push(d.getComponentPointer()))}return null===g?(CTATShellTools.ctat_base.ctatdebug("Info (groupArray==null), no appropriate component found, perhaps this is a group component"),-1!=a.indexOf(".")?(e=a.split("."),this.findComponent(e[0])):g):0===g.length&&(CTATShellTools.ctat_base.ctatdebug("Info (groupArray.length==0), no appropriate component found, perhaps this is a group component"),-1!=a.indexOf("."))?(e=a.split("."),this.findComponent(e[0])):g},findComponentInstance:function(a,
-b){var e=CTATShellTools.findComponent(a,b);return 1==e.length?e[0]:e},findComponentByClass:function(a){var b=CTATShellTools.component_descriptions,e;for(e in b){var g=b[e];if(null===g)return null;if(null!==g.getComponentPointer()&&g.getComponentPointer().getClassName()==a)return g.getComponentPointer()}a=$("."+a);return 0<a.length?a.first().data("CTATComponent"):null}};var CTATTutoringServiceMessageBuilder=function(){CTATBase.call(this,"CTATTutoringServiceMessageBuilder","__undefined__");this.createStartProblemMessage=function(a){this.ctatdebug("createStartProblemMessage ()");return"<message><verb>NotePropertySet</verb><properties><MessageType>StartProblem</MessageType><ProblemName>"+a+"</ProblemName></properties></message>"};this.createInterfaceIdentificationMessage=function(a){this.ctatdebug("createInterfaceIdentificationMessage ("+a+")");return"<message><verb>NotePropertySet</verb><properties><MessageType>InterfaceIdentification</MessageType><Guid>"+
+FontSize:null,FontColor:null,FontBold:null,FontItalic:!1,FontUnderlined:!1,TextAlign:null,ShowHintHighlight:!1,blockOnCorrect:!1,disabledBackgroundColor:"#999999",disabledTextColor:"#999999",tutorComponent:null};return this}};CTATComponentDescription.prototype=Object.create(CTATBase.prototype);CTATComponentDescription.prototype.constructor=CTATComponentDescription;var CTATShellTools={ctat_base:new CTATBase("CTATShellTools","shelltools"),component_descriptions:{},registerComponentDescription:function(a){CTATShellTools.ctat_base.ctatdebug("registerComponentDescription ("+a.name+","+a.type+")");CTATShellTools.component_descriptions[a.name]=a},listComponents:function(){CTATShellTools.ctat_base.ctatdebug("listComponents ()");var a=CTATShellTools.component_descriptions,g;for(g in a){var f=a[g];CTATShellTools.ctat_base.ctatdebug("Obtaining component for "+f.name+
+" with type: "+f.type);f=f.getComponentPointer();null!==f?CTATShellTools.ctat_base.ctatdebug("Component: "+f.getName()+" of instance: "+f.getClassName()):CTATShellTools.ctat_base.ctatdebug("Error: component pointer is null")}},feedback_components:[],registerFeedbackComponent:function(a,g,f,d,c){CTATShellTools.feedback_components.push({component:a,next:g,prev:f,showHints:d,showFeedback:c})},showNextHint:function(){CTATShellTools.feedback_components.forEach(function(a){a.next&&a.next.bind(a.component)()})},
+showPrevHint:function(){CTATShellTools.feedback_components.forEach(function(a){a.prev&&a.prev.bind(a.component)()})},showFeedback:function(a){0==CTATShellTools.feedback_components.length?CTATScrim.scrim.OKScrimUp(a,null):CTATShellTools.feedback_components.forEach(function(g){g.showFeedback&&g.showFeedback.bind(g.component)(a)})},showHints:function(a){CTATShellTools.feedback_components.forEach(function(g){g.showHints&&g.showHints.bind(g.component)(a)})},getCurrentMs:function(){return(new Date).valueOf()},
+getAllComponents:function(){var a=[];$(".CTATComponent").each(function(){a.push($(this).data("CTATComponent"))});return a},getNameFromGroup:function(a){CTATShellTools.ctat_base.ctatdebug("getNameFromGroup ("+a+")");var g=a.split(" ");return 1==g.length?a:g[0].substring(0,g[0].length-1)},findComponent:function(a){var g=CTATShellTools.component_descriptions,f=[],d=null;CTATShellTools.ctat_base.ctatdebug("findComponent("+a+")");if(!a)return[];for(var c=['div[data-ctat-component]:has(input[name="'+a+
+'"])',"done"==a.toLowerCase()?".CTATDoneButton":"","hint"==a.toLowerCase()||"help"==a.toLowerCase()?".CTATHintButton":""],d=-1<a.indexOf(".")?$('[id="'+a+'"]'):$("#"+a),b=0;0===d.length&&b<c.length;b++)d=$(c[b]);if(0<d.length&&(d.each(function(){$(this).data("CTATComponent")&&f.push($(this).data("CTATComponent"))}),0<f.length))return f;CTATShellTools.ctat_base.ctatdebug("JQuery couldn't find the component, let's try our internal list ...");for(var e in g){d=g[e];if(!d||!d.name||!d.getComponentPointer())return CTATShellTools.ctat_base.ctatdebug("Internal error parsing component at index "+
+e+(d?d.name?"(no component pointer)":"(no name attribute)":"")),null;CTATShellTools.ctat_base.ctatdebug("Comparing "+d.name+" to: "+a);if(d.name==a)return CTATShellTools.ctat_base.ctatdebug("Found a component description for ["+d.name+"], returning pointer ("+d.getComponentPointer()+") ..."),f.push(d.getComponentPointer()),f;d.groupName==a&&(CTATShellTools.ctat_base.ctatdebug("Found the component group ("+d.groupName+"), adding component instance for "+d.name+" ..."),f.push(d.getComponentPointer()))}return 0===
+f.length&&(CTATShellTools.ctat_base.ctatdebug("Info (groupArray.length==0), no appropriate component found, perhaps this is a group component"),-1!=a.indexOf("."))?(a=a.split("."),this.findComponent(a[0])):f},findComponentInstance:function(a,g){var f=CTATShellTools.findComponent(a,g);return 1==f.length?f[0]:f},findComponentByClass:function(a){var g=CTATShellTools.component_descriptions,f;for(f in g){var d=g[f];if(null===d)return null;if(null!==d.getComponentPointer()&&d.getComponentPointer().getClassName()==
+a)return d.getComponentPointer()}a=$("."+a);return 0<a.length?a.first().data("CTATComponent"):null}};var CTATTutoringServiceMessageBuilder=function(){CTATBase.call(this,"CTATTutoringServiceMessageBuilder","__undefined__");this.createStartProblemMessage=function(a){this.ctatdebug("createStartProblemMessage ()");return"<message><verb>NotePropertySet</verb><properties><MessageType>StartProblem</MessageType><ProblemName>"+a+"</ProblemName></properties></message>"};this.createInterfaceIdentificationMessage=function(a){this.ctatdebug("createInterfaceIdentificationMessage ("+a+")");return"<message><verb>NotePropertySet</verb><properties><MessageType>InterfaceIdentification</MessageType><Guid>"+
 a+"</Guid></properties></message>"};this.createInterfaceDescriptionMessage=function(a){this.ctatdebug("createInterfaceDescriptionMessage ()");message="<message><verb>NotePropertySet</verb><properties><MessageType>InterfaceDescription</MessageType>";message+="<WidgetType>"+a.getClassName()+"</WidgetType>";message+="<CommName>"+a.getName()+"</CommName>";message+="<UpdateEachCycle>false</UpdateEachCycle>";message+="<serialized>";message+="<"+a.getClassName()+' name="'+a.getName()+'" x="0" y="0" width="50" height="30" scaleX="1" scaleY="1" originalWidth="50" originalHeight="30" zIndex="-1" tabIndex="-1">';
-message+="<Parameters><selection>";if("CTATRadioButton"==a.getClassName()||"CTATCheckBox"==a.getClassName())message+="<CTATComponentParameter>",message+="<name>group</name>",message+='<value fmt="text" name="Group Name" type="String" includein="sparse">'+a.getComponentGroup()+"</value>",message+="</CTATComponentParameter>";message+="</selection></Parameters>";message+="</"+a.getClassName()+">";message+="</serialized>";return message+="</properties></message>"};this.createSetPreferencesMessage=function(a){this.ctatdebug("createSetPreferencesMessage ()");
-var b=CTATConfiguration.getRawFlashVars(),e;e="<message><verb>NotePropertySet</verb><properties><MessageType>SetPreferences</MessageType>"+("<log_service_url>"+b.log_service_url+"</log_service_url>");var g=!1,d=!1,c=b.Logging;this.ctatdebug("Parsing and processing logMethod: "+c);switch(c){case "ServiceToLogServer":g=!0;break;case "ServiceToDisk":d=!0;break;case "ServiceToDiskAndLogServer":d=g=!0;break;case "ClientToLogServer":d=g=!1;break;case "ClientToService":d=g=!0}e=e+("<log_to_remote_server>"+
-g+"</log_to_remote_server><log_to_disk>"+d+"</log_to_disk>")+("<log_to_disk_directory>"+b.log_to_disk_directory+"</log_to_disk_directory>");e+="<logging>"+b.Logging+"</logging>";e+="<user_guid>"+b.user_guid+"</user_guid>";e+="<problem_name>"+b.problem_name+"</problem_name>";e+="<question_file><![CDATA["+encodeURI(b.question_file)+"]]\x3e</question_file>";e+="<class_name>"+b.class_name+"</class_name>";e+="<school_name>"+b.school_name+"</school_name>";e+="<instructor_name>"+b.instructor_name+"</instructor_name>";
-e+="<session_id>"+b.session_id+"</session_id>";e+="<source_id>"+b.source_id+"</source_id>";e+="<sui><![CDATA["+b.sui+"]]\x3e</sui>";e+="<problem_state_status>"+b.problem_state_status+"</problem_state_status>";e+="<curriculum_service_url>"+b.curriculum_service_url+"</curriculum_service_url>";e+="<restore_problem_url>"+b.restore_problem_url+"</restore_problem_url>";e+="<tutoring_service_communication>"+b.tutoring_service_communication+"</tutoring_service_communication>";e+="<collaborators>"+b.collaborators+
-"</collaborators>";null!==CTATSkillSet.skills&&(e+=CTATSkillSet.skills.toSetPreferencesXMLString());e=e+("<CommShellVersion>"+a+"</CommShellVersion>")+"</properties></message>";return""+e};this.createTracerActionMessage=function(a,b){this.ctatdebug("createTracerActionMessage ()");var e;e="<message><verb>NotePropertySet</verb><properties><MessageType>TracerAction</MessageType>"+("<transaction_id>"+a+"</transaction_id>")+b.toXMLString(!1);return""+(e+"</properties></message>")};this.createInterfaceActionMessage=
-function(a,b){this.ctatdebug("createInterfaceActionMessage ()");var e;e="<message><verb>NotePropertySet</verb><properties><MessageType>InterfaceAction</MessageType>"+("<transaction_id>"+a+"</transaction_id>")+b.toXMLString(!1);return""+(e+"</properties></message>")};this.createUntutoredActionMessage=function(a,b){this.ctatdebug("createUntutoredActionMessage ("+a+")");var e;e="<message><verb>NotePropertySet</verb><properties><MessageType>UntutoredAction</MessageType>"+("<transaction_id>"+a+"</transaction_id>")+
-b.toXMLString(!1);return""+(e+"</properties></message>")};this.createProblemSummaryRequestMessage=function(){return"<message><verb>NotePropertySet</verb><properties><MessageType>ProblemSummaryRequest</MessageType></properties></message>"};this.createProblemRestoreEndMessage=function(){return"<message><verb>NotePropertySet</verb><properties><MessageType>ProblemRestoreEnd</MessageType></properties></message>"};this.createInterfaceConfigurationEnd=function(){return"<message><verb>NotePropertySet</verb><properties><MessageType>InterfaceConfigurationEnd</MessageType></properties></message>"};
-this.createInCorrectActionMessage=function(a,b){this.ctatdebug("createInCorrectActionMessage ()");var e;e="<message><verb>SendNoteProperty</verb><properties><MessageType>InCorrectAction</MessageType>"+("<transaction_id>"+a+"</transaction_id>")+b.toXMLString(!1);return""+(e+"</properties></message>")};this.createURLResponse=function(a,b){CTATGlobal.debug(classType,"createURLResponse ()");return"<message><verb>NotePropertySet</verb><properties><MessageType>GetURLResponse</MessageType><URL><![CDATA[ "+
-a+" ]]\x3e</URL><content><![CDATA[ "+btoa(b)+" ]]\x3e</content></properties></message>"};this.createCorrectActionMessage=function(a,b){this.ctatdebug("createCorrectActionMessage ()");var e;e="<message><verb>SendNoteProperty</verb><properties><MessageType>CorrectAction</MessageType>"+("<transaction_id>"+a+"</transaction_id>")+b.toXMLString(!1);return""+(e+"</properties></message>")}};CTATTutoringServiceMessageBuilder.prototype=Object.create(CTATBase.prototype);
-CTATTutoringServiceMessageBuilder.prototype.constructor=CTATTutoringServiceMessageBuilder;var CTATMessageHandler=function(a){function b(){var a=!1,b,c=[],f="";for(b=d.length-1;0<=b;--b)if("SendWidgetLock"==d[b].getMessageType())switch(c=d.splice(b,1),f=c[0].getProperty("WidgetLockFlag"),String(f).toLowerCase()){case "no":case "off":case "false":a=!1;break;default:a=!0}g.ctatdebug("checkForSendWidgetLock() found "+c.length+" msg, wlFlag "+f+", result"+a);return a}CTATBase.call(this,"CTATMessageHandler","messagehandler");var e=null,g=this,d=[],c=null,f=0,c=CTATConfig.parserType_is_XML()?
-new CTATXML:new CTATJSON;this.assignHandler=function(a){g.ctatdebug("assignHandler ()");e=a};this.reset=function(){g.ctatdebug("reset ()");d=[]};this.getInStartState=function(){return CTATMessageHandler.inStartState};var h=!1;this.receiveFromTutor=function(a){this.processMessage(a)};this.processMessage=function(a){g.ctatdebug("Incoming message: "+a);if(!0!==h)if(CTATConfig.parserType_is_JSON()&&-1!=a.indexOf("<?xml"))alert("Error: CTAT is configured to parse JSON but it received an XML message, disabling comm capabilities ..."),
-h=!0;else if(CTATConfig.parserType_is_XML()&&0===a.indexOf("{"))alert("Error: CTAT is configured to parse XML but it received a JSON message, disabling comm capabilities ..."),h=!0;else{var b;g.ctatdebug("Attempting parse ...");b=c.parse(a);null===b?g.ctatdebug("Error parsing message: "+a):this.parseElement(b)}};this.parseElement=function(a){var b=c.getElementName(a);g.ctatdebug("parseElement ("+b+")");"CTATResponseMessages"!=b&&"StartStateMessages"!=b&&"MessageBundle"!=b||this.processMessageBundle(a);
-"message"==b&&this.processSingleMessage(a)};this.processMessageBundle=function(a){var b=c.getElementName(a);g.ctatdebug("processMessageBundle ("+b+")");a=c.getElementChildren(a);if(null===a)g.ctatdebug("Error parsing bundle");else for(ctatdebug("Processing "+a.length+" objects in bundle"),b=0;b<a.length;b++)this.parseElement(a[b])};this.processSingleMessage=function(b){g.ctatdebug("processSingleMessage ("+c.getElementName(b)+")");var l=new CTATMessage(b),h=l.getProperty("subtype"),h=!h||/tutor/i.test(h)?
-"tutor":h;b=c.getElementChildren(b);g.ctatdebug("Generated CTATMessage, now doing regular processing ...");for(var m=0;m<b.length;m++){var u=b[m];if("properties"==c.getElementName(u)){g.ctatdebug("Parsing properties ...");for(var r=c.getElementChildren(u),w=0;w<r.length;w++){var n=r[w];if("MessageType"==c.getElementName(n)){n=c.getNodeTextValue(n);g.ctatdebug("MessageType: "+n);"StateGraph"==n&&(ctatdebug("Setting inStartState to true"),CTATMessageHandler.inStartState=!0,a.setGotProblemRestoreEnd(!1),
-this.processStateGraph(u),a.propagateShellEvent("StateGraph",l));"StartProblem"==n&&(g.ctatdebug("Setting inStartState to true"),CTATMessageHandler.inStartState=!0,a.setGotProblemRestoreEnd(!1),this.processStartProblem(r),a.propagateShellEvent("StartProblem",l));"InterfaceIdentification"==n&&(this.processInterfaceIdentification(r),a.propagateShellEvent("InterfaceIdentification",l));"InterfaceDescription"==n&&(this.processInterfaceDescription(r),a.propagateShellEvent("InterfaceDescription",l));"GetAllInterfaceDescriptions"==
-n&&(a.getAllInterfaceDescriptions(),a.propagateShellEvent("GetAllInterfaceDescriptions",l));"SendWidgetLock"==n&&(g.ctatdebug("Found: SendWidgetLock"),!0===this.getInStartState()&&d.push(l),a.propagateShellEvent("SendWidgetLock",l));"CorrectAction"==n&&(g.ctatdebug("Found: CorrectAction"),!0===this.getInStartState()?d.push(l):e.processCorrectAction(l),a.propagateShellEvent("CorrectAction",l));"InCorrectAction"==n&&(g.ctatdebug("Found: InCorrectAction"),!0===CTATMessageHandler.inStartState?d.push(l):
-(g.ctatdebug("Handing incorrect message to messagehandler ..."),e.processInCorrectAction(l)),a.propagateShellEvent("InCorrectAction",l));"HighlightMsg"==n&&(g.ctatdebug("Found: HighlightMsg"),e.processHighlightMsg(l),a.propagateShellEvent("HighlightMsg",l));"UnHighlightMsg"==n&&(g.ctatdebug("Found: UnHighlightMsg"),e.processUnHighlightMsg(l),a.propagateShellEvent("UnHighlightMsg",l));if("AssociatedRules"==n){g.ctatdebug("Found: AssociatedRules ("+r.length+")");for(var B="",v="",y=0;y<r.length;y++){var A=
-r[y];"TutorAdvice"==c.getElementName(A)&&(B=c.getNodeTextValue(A));"Actor"==c.getElementName(A)&&(h=c.getNodeTextValue(A));"Indicator"==c.getElementName(A)&&(v=c.getNodeTextValue(A));"StepID"==c.getElementName(A)&&c.getNodeTextValue(A);"LogAsResult"==c.getElementName(A)&&c.getNodeTextValue(A);"tool_selection"==c.getElementName(A)&&c.getNodeTextValue(A);"Skills"==c.getElementName(A)&&(g.ctatdebug("Processing skills ..."),null===CTATSkillSet.skills&&(g.ctatdebug("Interesting, there isn't a skillSet object yet. Creating ..."),
-CTATSkillSet.skills=new CTATSkillSet),CTATSkillSet.skills.parseByValue(A))}e.processAssociatedRules(l,v,B);a.propagateShellEvent("AssociatedRules",l)}"BuggyMessage"==n&&(g.ctatdebug("Found: BuggyMessage"),e.processBuggyMessage(l),a.propagateShellEvent("BuggyMessage",l));"SuccessMessage"==n&&(g.ctatdebug("Found: SuccessMessage"),e.processSuccessMessage(l),a.propagateShellEvent("SuccessMessage",l));-1!=n.indexOf("InterfaceAction")&&(g.ctatdebug("Found: InterfaceAction"),B=l.getSAI(),-1!=B.getAction().indexOf(":")?
-(g.ctatdebug("Processing and storing timed interface action : "+B.getAction()),v=parseInt(B.getAction().substring(B.getAction().indexOf(":")+1)),g.ctatdebug("Target time: "+v),B.setAction(B.getAction().substring(0,B.getAction().indexOf(":"))),g.ctatdebug("Timing ..."),setTimeout(e.processInterfaceAction,v,l),setTimeout(a.propagateShellEvent,v,"InterfaceAction",l,h)):(g.ctatdebug("Processing regular (non-timed) interface action"),!0===CTATMessageHandler.inStartState?(g.ctatdebug("inStartState==true => storing for later playback ..."),
-d.push(l)):(e.processInterfaceAction(l),a.propagateShellEvent("InterfaceAction",l,h))));-1!=n.indexOf("UntutoredAction")&&(g.ctatdebug("Found: UntutoredAction"),B=l.getSAI(),-1!=B.getAction().indexOf(":")?(g.ctatdebug("Processing and storing timed interface action : "+B.getAction()),v=parseInt(B.getAction().substring(B.getAction().indexOf(":")+1)),g.ctatdebug("Target time: "+v),B.setAction(B.getAction().substring(0,B.getAction().indexOf(":"))),g.ctatdebug("Timing ..."),setTimeout(e.processUntutoredAction,
-v,l),setTimeout(a.propagateShellEvent,v,"UntutoredAction",l,h)):(g.ctatdebug("Processing regular (non-timed) interface action"),!0===CTATMessageHandler.inStartState?(g.ctatdebug("inStartState==true => storing for later playback ..."),d.push(l)):(e.processUntutoredAction(l),a.propagateShellEvent("UntutoredAction",l,h))));"InterfaceIdentification"==n&&(g.ctatdebug("Found: InterfaceIdentification"),a.propagateShellEvent("InterfaceIdentification",l));"AuthorModeChange"==n&&(g.ctatdebug("Found: AuthorModeChange"),
-e.globalReset(),a.propagateShellEvent("AuthorModeChange",l));"ResetAction"==n&&(g.ctatdebug("Found: ResetAction"),e.globalReset(),a.propagateShellEvent("ResetAction",l));if("ShowHintsMessage"==n){g.ctatdebug("Found: ShowHintsMessage");B=!1;v=[];for(y=0;y<r.length;y++)if(A=r[y],"HintsMessage"==c.getElementName(A))for(var A=c.getElementChildren(A),F=0;F<A.length;F++){var D=A[F];"value"==c.getElementName(D)&&(v.push(c.getNodeTextValue(D)),B=!0)}!0===B?e.processHintResponse(l,v):g.ctatdebug("Error: incomplete hint message received");
-a.propagateShellEvent("ShowHintsMessage",l)}"ConfirmDone"==n&&(g.ctatdebug("Found: ConfirmDone"),e.processConfirmDone(l),a.propagateShellEvent("ConfirmDone",l));"VersionInfo"==n&&(g.ctatdebug("Found: VersionInfo"),e.processVersionInfo(r),a.propagateShellEvent("VersionInfo",l));"TutoringServiceAlert"==n&&(g.ctatdebug("Found: TutoringServiceAlert"),e.processTutoringServiceAlert(r),a.propagateShellEvent("TutoringServiceAlert",l));if("TutoringServiceError"==n){B=l.getProperty("Action");g.ctatdebug("Found: TutoringServiceError - actor "+
-h+", action "+B);var x;B&&(x=CTATSAI.delayedActionRegExp.exec(B))&&2<x.length&&1<x[2]?(v=parseInt(x[2]),l.setProperty("Action",x[1]),g.ctatdebug("Delaying TutoringServiceError by "+v+" ..."),setTimeout(e.processTutoringServiceError,v,l),setTimeout(a.propagateShellEvent,v,"TutoringServiceError",l,h)):(e.processTutoringServiceError(l),a.propagateShellEvent("TutoringServiceError",l,h))}"ProblemSummaryResponse"==n&&(g.ctatdebug("Found: ProblemSummaryResponse"),e.processProblemSummaryResponse(l),a.propagateShellEvent("ProblemSummaryResponse",
-l));if("StartStateEnd"==n){g.ctatdebug("Found: StartStateEnd");CTATShellTools.listComponents();null!==e?e.processStartState():this.ctatdebug("Error: no message handler object available to process start state");try{g.processStartStateActions()}catch(C){g.ctatdebug("Caught in the act: "+C.message)}CTATMessageHandler.inStartState=!1;a.propagateShellEvent("StartStateEnd",l)}"ProblemRestoreEnd"==n&&(g.ctatdebug("Found: ProblemRestoreEnd"),e.processProblemRestoreEnd(l),a.propagateShellEvent("ProblemRestoreEnd",
-l));"GetURL"==n&&(g.ctatdebug("Found: GetURL"),e.processGetURL(l),a.propagateShellEvent("GetURL",l));if("SetPreferences"==n){e.forwardToTutor(l);return}"InterfaceReboot"==n&&(f++,ctatdebug("Found: InterfaceReboot #"+f+" -- href "+(location?location.href:"(no location)")),1<f&&!CTAT.ToolTutor.reboot("InterfaceReboot from CTATMessageHandler")&&(n="ws://"+CTATConfiguration.get("remoteSocketURL")+":"+CTATConfiguration.get("remoteSocketPort"),ctatdebug("closing connection w/ url: "+n),a.closeWSConnection(n,
-function(){var a=window.frameElement.getAttribute("id");"function"==typeof CustomEvent&&(a=new CustomEvent("refreshIframe",{detail:a}),window.parent.document.dispatchEvent(a))},"interfaceReboot")));(n=/student[0-9]+/i.exec(h))&&n[0]==h&&e.forwardToTutor(l)}}}}};this.processStateGraph=function(a){g.ctatdebug("processStateGraph ()");if(void 0===a||null===a)g.ctatdebug("Error: state graph property list is undefined");else if(g.ctatdebug("Processing node: "+a.nodeName),null===c.getElementChildren(a))g.ctatdebug("Error: state graph property list is undefined");
-else{a=c.getElementChildren(a);for(var b=0;b<a.length;b++){var d=a[b];g.ctatdebug("State graph attribute: "+c.getElementName(d));"caseInsensitive"==c.getElementName(d)&&(caseInsensitive="false"==c.getNodeTextValue(d)?!1:!0);"unordered"==c.getElementName(d)&&(unordered="false"==c.getNodeTextValue(d)?!1:!0);"lockWidget"==c.getElementName(d)&&(lockWidget="false"==c.getNodeTextValue(d)?!1:!0);"suppressStudentFeedback"==c.getElementName(d)&&("false"==c.getNodeTextValue(d)?CTATGlobals.suppressStudentFeedback=
-!1:CTATGlobals.suppressStudentFeedback=!0);"highlightRightSelection"==c.getElementName(d)&&(highlightRightSelection="false"==c.getNodeTextValue(d)?!1:!0);"confirmDone"==c.getElementName(d)&&(g.ctatdebug("Confirm done: "+c.getNodeTextValue(d)),"true"==c.getNodeTextValue(d)?CTATGlobals.confirmDone=!0:CTATGlobals.confirmDone=!1);"Skills"==c.getElementName(d)&&(null===CTATSkillSet.skills&&(CTATSkillSet.skills=new CTATSkillSet),CTATSkillSet.skills.parseByValue(d),e.updateSkillWindow())}}};this.processStartProblem=
-function(a){g.ctatdebug("processStartProblem ()");e.processStartProblem()};this.processInterfaceIdentification=function(a){};this.processInterfaceDescription=function(a){g.ctatdebug("processInterfaceDescription ("+a.length+")");for(var b="Unknown",d="Unknown",f=null,e=0;e<a.length;e++){var h=a[e];g.ctatdebug("Inspecting element: "+c.getElementName(h));"WidgetType"==c.getElementName(h)&&(g.ctatdebug("Widget type: "+c.getNodeTextValue(h)),b=c.getNodeTextValue(h));"CommName"==c.getElementName(h)&&(g.ctatdebug("Instance name: "+
-c.getNodeTextValue(h)),d=c.getNodeTextValue(h));if("serialized"==c.getElementName(h)){g.ctatdebug("Prepareing to de-serialize component ...");for(var m=c.getElementChildren(h),n=0;n<m.length;n++){var B=m[n];-1!=c.getElementName(B).indexOf("CTAT")&&(f=B)}}"interface"==c.getElementName(h)&&(g.ctatdebug("Storing interface for post start-state reconstruction ..."),CTATGlobals.interfaceElement=h);"script"==c.getElementName(h)&&(g.ctatdebug("Storing and loading main javascript code as defined by the BRD ..."),
-scriptElement=c.getNodeTextValue(h))}null!==f?this.deserializeComponent(b,d,f):g.ctatdebug("Error: unable to find CTAT serialization point of attachement");g.ctatdebug("processInterfaceDescription () done")};this.deserializeComponent=function(a,b,d){g.ctatdebug("deserializeComponent ("+a+","+b+")");if(!0===CTATGlobals.ignoreInterfaceDescriptions)g.ctatdebug("ignoreInterfaceDescriptions==true");else if(null===c.getElementAttr(d,"x"))g.ctatdebug("Warning: this component does not have x,y information. Probably an older component");
-else{var f=c.getElementAttr(d,"x"),e=c.getElementAttr(d,"y"),l=c.getElementAttr(d,"width"),h=c.getElementAttr(d,"height"),n=c.getElementAttr(d,"tabIndex"),m=c.getElementAttr(d,"zIndex");null===n&&(n=-1);null===m&&(m=0);var q=new CTATComponentDescription;q.type=a;q.name=b;q.x=Math.floor(f);q.y=Math.floor(e);q.tabIndex=n;q.zIndex=m;q.width=Math.floor(l);q.height=Math.floor(h);CTATShellTools.registerComponentDescription(q);d=c.getElementChildren(d);for(f=0;f<d.length;f++){e=d[f];c.getElementName(e);
-if("Parameters"==c.getElementName(e))for(this.ctatdebug("Processing component parameters ..."),l=c.getElementChildren(e)[0],l=c.getElementChildren(l),h=0;h<l.length;h++){var y=l[h];if("CTATComponentParameter"==c.getElementName(y)){this.ctatdebug("Processing parameter property (CTATComponentParameter) ...");for(var m=n=void 0,y=c.getElementChildren(y),A=0;A<y.length;A++){var F=y[A];"name"==c.getElementName(F)&&(this.ctatdebug("Found parameter name: "+c.getNodeTextValue(F)),n=c.getNodeTextValue(F));
-"value"==c.getElementName(F)&&(this.ctatdebug("Found parameter value: "+c.getNodeTextValue(F)),m=c.getNodeTextValue(F).trim())}this.ctatdebug("Parameter name: "+n+", value: "+m);void 0!==n&&(q.params[n]=m,"group"==n&&(q.groupName=m))}}if("Styles"==c.getElementName(e))for(this.ctatdebug("Processing component styles ..."),e=c.getElementChildren(e)[0],e=c.getElementChildren(e),l=0;l<e.length;l++)if(m=e[l],"CTATStyleProperty"==c.getElementName(m)){this.ctatdebug("Processing style property (CTATStyleProperty) ...");
-n=h="";m=c.getElementChildren(m);for(y=0;y<m.length;y++)A=m[y],"name"==c.getElementName(A)&&(h=c.getNodeTextValue(A)),"value"==c.getElementName(A)&&(n=c.getNodeTextValue(A).trim());this.ctatdebug("Style (name: "+h+", value: "+n+")");""!==h&&(q.styles[h]=n)}}g.ctatdebug("deserializeComponent ("+a+","+b+") done")}};this.processStartStateActions=function(){g.ctatdebug("processStartStateActions ("+d.length+")");if(0===d.length)g.ctatdebug("No start state messages, bump");else if(0<CTATMessageHandler.startStateHandlers.length)for(var a=
-0;a<CTATMessageHandler.startStateHandlers.length;a++)CTATMessageHandler.startStateHandlers[a].processStartStateActions(d);else{for(var a=b(),c=0;c<d.length;c++){var f=d[c];g.ctatdebug("Processing startstate message type: "+f.getMessageType());"InterfaceAction"==f.getMessageType()&&e.processInterfaceAction(f,a);"CorrectAction"==f.getMessageType()&&e.processCorrectAction(f);"InCorrectAction"==f.getMessageType()&&e.processInCorrectAction(f);this.sleep(1E3)}if(""!==CTATMessageHandler.scriptElement)try{eval(CTATMessageHandler.scriptElement)}catch(p){alert("Error executing script from BRD: "+
-p.message)}}};this.sleep=function(a){g.ctatdebug("sleep ("+a+")")}};CTATMessageHandler.prototype=Object.create(CTATBase.prototype);CTATMessageHandler.prototype.constructor=CTATMessageHandler;CTATMessageHandler.startStateHandlers=[];CTATMessageHandler.inStartState=!1;CTATMessageHandler.scriptElement="";var CTATTransactionListener=function(a){function b(a){return a&&"function"==typeof a.getTransactionID?a.getTransactionID():null}function e(a){h.ctatdebug("formatTimeStamp ("+a+")");return sprintf("%04d-%02d-%02d %02d:%02d:%02d.%03d UTC",a.getUTCFullYear(),a.getUTCMonth()+1,a.getUTCDate(),a.getUTCHours(),a.getUTCMinutes(),a.getUTCSeconds(),a.getUTCMilliseconds())}function g(a,b){for(var c,d,f=1;;++f){var e=b+"_type"+f,g=b+"_name"+f;c=CTATConfiguration.get(e);d=CTATConfiguration.get(g);if(!c||!d)break;
-a[e]=c;a[g]=d}1==f&&(c=CTATConfiguration.get(b+"_type"),d=CTATConfiguration.get(b+"_name"),a[e]=c?c:"",a[g]=d?d:"");return a}function d(a,b){if(a&&"function"==typeof a.toLowerCase&&0<=a.toLowerCase().indexOf("hint"))return!0;if(!b)return!1;if(0<=b.getMessageType().toLowerCase().indexOf("hint"))return!0;var c=b.getSelection().toLowerCase();return 0<=b.getAction().toLowerCase().indexOf("buttonpress")&&(0<=c.indexOf("hint")||0<=c.indexOf("help"))}function c(a,b){var c=a.getProperty(b),d=c?c.split(CTATTransactionListener.valueDelimiter):
-[];h.ctatdebug("CTATTransactionListener.getPropertyAsArray("+b+") withValues "+c+", result "+d);return d}function f(a,b){for(var d=c(a,b),f="",e=0;e<d.length;++e)f+=d[e];h.ctatdebug("CTATTransactionListener.getProperty("+b+") valueElts "+d+", result "+f);return f}CTATBase.call(this,"CTATTransactionListener","");var h=this,m=null,l={},q=0,p=CTATConfig.parserType_is_XML()?new CTATXML:new CTATJSON;this.getMailer=function(){return m};this.onmessage=function(a){h.ctatdebug("CTATTransactionListener.onmessage("+
-a.toString()+")");(a=a.data&&3<=a.data.length?new CTATSAI(a.data[0],a.data[1],a.data[2]):null)&&CTATCommShell.shell.processComponentAction(a,!1,!0,null,"ATTEMPT","Detector")};if(!m)a:{if("undefined"!=typeof TransactionMailerUsers&&"function"==typeof TransactionMailerUsers.create)try{m=m=TransactionMailerUsers.create("Assets",a,CTATConfiguration.get("process_detectors_url"),CTATConfiguration.get("authenticity_token"),CTATConfiguration.get("detectors"));break a}catch(u){console.trace("Error creating transaction mailer: "+
-u);m=m=null;break a}m=void 0}this.isReady=function(){return null!=h.mailerProxy};this.toString=function(){return"transactions sent to ["+h.process_transactions_url+":]"};this.processCommShellEvent=function(a,r,w){console.trace("CTATTransactionListener.processCommShellEvent("+a+", "+r+", "+w+")");try{var n=null;switch(a){case "InterfaceAction":case "AssociatedRules":case "UntutoredAction":case "NextPressed":case "PreviousPressed":var u=r;r&&r.constructor!=CTATMessage&&(u=r.constructor!=Element?p.parse(u):
-u,u=new CTATMessage(u));var v=u;h.ctatdebug("CTATTransactionListener.makeOrCompleteTransaction("+a+") pointer "+h+", problemInfo null, pointer.problemInfo "+(h?h.problemInfo:null));var y=u=null,A=!1;if(y=b(v)){var F,D;b:switch(a){case "UntutoredAction":D=!1;break b;case "InterfaceAction":D="tutor-performed"!=f(v,"subtype").toLowerCase();break b;default:D=!0}if(F=!(A=!D)){var x;D=y;var C=l[D];C?(delete l[D],--q,h.ctatdebug("CTATTransactionListener.removeIncompleteTransaction("+D+") count now "+q),
-x=C):x=null;F=(u=x)&&(A=!0)}F||(u={meta:h.problemInfo.meta,context:h.problemInfo.context});switch(a){case "AssociatedRules":case "NextPressed":case "PreviousPressed":w=u;w.tutor_data&&console.log("Warning: CTATTransactionListener.addTutorInfo("+a+") tx has tutor_data with time "+w.tutor_data.tutor_event_time);w.tutor_data={};w.tutor_data.tutor_event_time=e(new Date);w.tutor_data.selection=f(v,"Selection");w.tutor_data.action=f(v,"Action");w.tutor_data.input=f(v,"Input");w.tutor_data.action_evaluation=
-v.getIndicator();0<=w.tutor_data.action_evaluation.toLowerCase().indexOf("hint")&&(w.tutor_data.current_hint_number=f(v,"CurrentHintNumber"),w.tutor_data.total_hints_available=f(v,"TotalHintsAvailable"));w.tutor_data.tutor_advice=f(v,"TutorAdvice");var E=w.tutor_data;F=[];var t=CTAT.ToolTutor.tutor&&CTAT.ToolTutor.tutor.getProblemSummary()?CTAT.ToolTutor.tutor.getProblemSummary().getSkills():null,G=v.getSkillsObject().getSkillSet();for(x=0;x<G.length;++x){var z=G[x],J=CTATSkillSet.skills?CTATSkillSet.skills.getSkill(z.getSkillName()):
-null;if(J){C={};C.name=J.getSkillName();C.category=J.getCategory();var H=null==C.category||""==C.category.trim()?C.name:C.name+" "+C.category,K=t?t.getSkill(H):null,I;K?(C.pKnown=isNaN(I=K.getPKnown())?"":I,C.pGuess=isNaN(I=K.getPGuess())?"":I,C.pSlip=isNaN(I=K.getPSlip())?"":I,C.pLearn=isNaN(I=K.getPLearn())?"":I,C.history=isNaN(I=K.getHistory())?"":I,C.opportunityCount=isNaN(I=K.getOpportunityCount())?"":I):(C.pKnown=isNaN(I=J.getPKnown())?"":I,C.pGuess=isNaN(I=J.getPGuess())?"":I,C.pSlip=isNaN(I=
-J.getPSlip())?"":I,C.pLearn=isNaN(I=J.getPLearn())?"":I);h.ctatdebug("CTATTransactionListener.createSkills() ssSk "+J+", tracerSk "+K+", skElt "+C);F.push(C)}}E.skills=F;w.tutor_data.step_id=f(v,"StepID");w.tutor_data.rule_names=c(v,"Rules");var P=w.tutor_data,N=v.getCustomFields();h.ctatdebug("CTATTransactionListener.createCustomFields() result "+N);P.custom_fields=N;break;default:u.meta.date_time=e(new Date);E=u;if(!(E.transaction_id=b(v)))throw Error("Message has no transaction_id: eventType "+
-a+", msg\n  "+v);E.semantic_event="UntutoredAction"==a?"UNTUTORED-ACTION":d(a,v)?"HINT-REQUEST-HINTS":"ATTEMPT-RESULT";E.actor=w?w:"student";E.tool_data&&console.log("Warning: CTATTransactionListener.addToolInfo("+a+") tx has tool_data with time "+E.tool_data.tool_event_time);E.tool_data={};E.tool_data.tool_event_time=e(new Date);E.tool_data.selection=f(v,"Selection");E.tool_data.action=f(v,"Action");E.tool_data.input=f(v,"Input")}var O;if(A)O=u;else{var E=y,t=u,L=l[E];L&&(console.log("Warning: CTATTransactionListener.storeIncompleteTransaction() found tx with ID "+
-E,L),--q);l[E]=t;++q;h.ctatdebug("CTATTransactionListener.storeIncompleteTransaction("+E+") count now "+q);O=null}n=O}else n=null;break;case "StartProblem":h.ctatdebug("CTATTransactionListener.createContextMessage()");O={};var Q=new Date;h.ctatdebug("TX.makeMetaElement ()");L={};L.date_time=e(Q);L.session_id=CTATConfiguration.get("session_id");L.user_guid=CTATConfiguration.get("user_guid");O.meta=L;O.context={};u=O.context;L=null;CTATLogMessageBuilder&&CTATLogMessageBuilder.commLogMessageBuilder&&
-(L=CTATLogMessageBuilder.commLogMessageBuilder.getContextName());L||(L=CTATLogMessageBuilder.contextGUID);if(!L)throw Error("Context message ID not yet defined");u.context_message_id=L;v=O.context;y=CTATConfiguration.get("class_name");v.class_name=y?y:"";y=CTATConfiguration.get("school_name");v.class_school=y?y:"";y=CTATConfiguration.get("period_name");v.class_period_name=y?y:"";y=CTATConfiguration.get("class_description");v.class_description=y?y:"";y=CTATConfiguration.get("instructor_name");v.class_instructor_name=
-y?y:"";var A=O.context,M=CTATConfiguration.get("dataset_name");A.dataset_name=M?M:"";g(A,"dataset_level");prop=CTATConfiguration.get("problem_name");A.problem_name=prop?prop:"";prop=CTATConfiguration.get("problem_context");A.problem_context=prop?prop:"";prop=CTATConfiguration.get("problem_tutorflag");A.problem_tutorFlag=prop?prop:"";g(A,"study_condition");h.problemInfo=O;break;case "ProblemRestoreEnd":h.initializing=!1}n&&!h.initializing&&m.sendTransaction(n)}catch(R){console.log("Error in CTATTransactionListener.processCommShellEvent("+
-a+"): "+R,R.stack)}};ctatdebug("**<end of CTATTransactionListener constructor, process_transactions_url "+a+", mailerProxy "+m)};Object.defineProperty(CTATTransactionListener,"scriptParam",{enumerable:!1,configurable:!1,writable:!1,value:"process_transactions_url"});Object.defineProperty(CTATTransactionListener,"valueDelimiter",{enumerable:!1,configurable:!1,writable:!1,value:/<\/?value>/});CTATTransactionListener.prototype=Object.create(CTATBase.prototype);
-CTATTransactionListener.prototype.constructor=CTATTransactionListener;"undefined"!==typeof module&&(module.exports=CTATTransactionListener);
-CTATTransactionListener.create=function(a){var b=null;if(!a&&("undefined"==typeof TransactionMailerUsers||"function"!=typeof TransactionMailerUsers.create))return null;try{if(b=new CTATTransactionListener(a),!b.getMailer())throw Error("Transaction listener postMessage() not defined.");}catch(e){console.trace("Error creating or connecting to transaction listener",e),b=null}return b};var CTATNameTranslator=function(){CTATBase.call(this,"CTATNameTranslator","translator");var a=!1,b=this;this.setPassthrough=function(b){a=CTATGlobalFunctions.toBoolean(b)};this.getPassthrough=function(){return a};this.manufactorJSON=function(a,g){b.ctatdebug("manufactorJSON ("+a+","+g+")");var d=a.split(":");if(1==d.length)return b.ctatdebug("No range in aRange, returning basic JSON ..."),"";var c=this.getA1Row(d[0]),f=this.getA1Col(d[0]),e=this.getA1Row(d[1]),m=this.getA1Col(d[1]);b.ctatdebug("Manufacturing json from: ["+
-c+","+f+"] to: ["+e+","+m+"]");d="[";c=parseInt(e)-parseInt(c);f=parseInt(m)-parseInt(f);c++;f++;b.ctatdebug("X range: "+c+", Y range: "+f);for(e=0;e<c;e++){0<e&&(d+=",");d+="[";for(m=0;m<f;m++)0<m&&(d+=","),d+='"',d+=g,d+='"';d+="]"}return d+"]"};this.translateFromCTAT=function(e,g){if(!0===a)return e;var d=e.toLowerCase();b.ctatdebug("translateFromCTAT ("+d+")");var c;if(-1!=d.indexOf(".r")){var f=d.split(".");c=f[1].split("r");0>=c.length&&(c=f[1].split("c"));0>=c.length?b.ctatdebug("Info: incoming name does not need translation"):
-(d=c[1],c=c[0].substr(1),b.ctatdebug("Original row (1st format): "+c+" original col: "+d),d=!0===g?colName(d,!1)+c:f[0]+"."+colName(d,!1)+c,b.ctatdebug("Translated: "+d))}else{if(0===d.indexOf("r")){var f=d.indexOf("c"),h=parseInt(d.substr(1,f-1)),m=parseInt(d.substr(f+1));c=h+1;d=m;b.ctatdebug("Original row (2nd format) (columnindex: "+f+"): "+h+" -> "+c+", original col: "+m+" -> "+d);d=colName(d,!1)+c;b.ctatdebug("Translated: "+d);return d}b.ctatdebug("Info: incoming name does not need translation")}return d};
-this.translateToCTAT=function(b){if(!0===a)return b;var e=this.letterToColumn(b.substr(0,1))-1;return"R"+(parseInt(b.substr(1))-1)+"C"+e};this.columnToLetter=function(a){for(var b,d="";0<a;)b=(a-1)%26,d=String.fromCharCode(b+65)+d,a=(a-b-1)/26;return d};this.letterToColumn=function(a){for(var b=0,d=a.length,c=0;c<d;c++)b+=(a.charCodeAt(c)-64)*Math.pow(26,d-c-1);return b};this.getA1Row=function(a){return parseInt(a.substr(1))-1};this.getA1Col=function(a){return this.letterToColumn(a.substr(0,1))-1}};
-CTATNameTranslator.prototype=Object.create(CTATBase.prototype);CTATNameTranslator.prototype.constructor=CTATNameTranslator;var CTATCommShell=function(){CTATBase.call(this,"CTATCommShell","theShell");var a=null,b=null,e=null,g=null,d=this,c=null,f=null,h={},m=null,l=null,q=null,p=null,u=[],r=!1,f="xml"==CTATConfig.parserType?new CTATXML:new CTATJSON;this.init=function(c){this.ctatdebug("init ()");var f=CTATConfiguration.getRawFlashVars(),l="http://";"https"==f.tutoring_service_communication&&(l="https://");var h=f.remoteSocketURL;h&&(h=String(h).toLowerCase(),0==h.indexOf("http")||0==h.indexOf("ws"))&&(l="");g=c;CTATLogMessageBuilder.contextGUID=
-CTATGuid.guid();d.ctatdebug("processSkills ()");CTATSkillSet.skills=new CTATSkillSet;c=flashVars.getRawFlashVars();null!=c.skills&&CTATSkillSet.skills.fromXMLString(c.skills);d.updateSkillWindow(null);null==commMessageHandler&&(commMessageHandler=new CTATMessageHandler(this),CTAT.ToolTutor.registerInterface(commMessageHandler));commMessageHandler.assignHandler(this);e=new CTATTutoringServiceMessageBuilder;f.deliverymode&&"review"==f.deliverymode&&(f.Logging="None");CTATLogMessageBuilder.commLogMessageBuilder=
-new CTATLogMessageBuilder;a=new CTATCommLibrary;a.setConnectionRefusedMessage("ERROR_CONN_TS");a.setSocketType(f.tutoring_service_communication+(f.collaborators?" websocket":""));a.assignHandler(this);b=new CTATCurriculumService(a);null==commLoggingLibrary&&(commLoggingLibrary=new CTATLoggingLibrary(!0));commLoggingLibrary.getLoggingCommLibrary().setFixedURL(flashVars.getRawFlashVars().log_service_url);flashVars.setTimeZone(null);new CTATHTMLManager;this.ctatdebug("CTATCommShell.init() FlashVar info: "+
-f.info);if(null!=f.info)try{parent.javaScriptInfo&&parent.javaScriptInfo(decodeURIComponent(f.info))}catch(y){}else this.ctatdebug("There is no info flash var");console.log("Connecting to: "+l+f.remoteSocketURL+":"+f.remoteSocketPort);c=e.createSetPreferencesMessage(version);a.sendXMLURL(c,l+f.remoteSocketURL+":"+f.remoteSocketPort,!0);(l=CTATConfiguration.get("collaborators"))&&1<l.length&&(CTATScrim.scrim.scrimDown(),CTATScrim.scrim.scrimUp(CTATGlobals.languageManager.getString("AWAITING_OTHER_COLLABORATORS")));
-d.addGlobalEventListener(CTATTransactionListener.create(f[CTATTransactionListener.scriptParam]))};this.forwardToTutor=function(b){a&&a.hasJavaScriptConnection()&&CTAT.ToolTutor.sendToTutor(b.getXMLString())};this.getLoggingLibrary=function(){return commLoggingLibrary};this.propagateShellEvent=function(a,b,c){ctatdebug("propagateShellEvent ("+a+", "+typeof b+")");for(var d=0;d<u.length;d++)u[d].processCommShellEvent(a,b,c)};this.reset=function(){d.ctatdebug("reset ()");CTATGlobals.interfaceElement=
-null;commMessageHandler.reset()};this.getMessageHandler=function(){return this.commMessageHandler};this.addStartStateHandler=function(a){d.ctatdebug("addStartStateHandler ()");null==CTATMessageHandler.startStateHandlers&&(CTATMessageHandler.startStateHandlers=[]);CTATMessageHandler.startStateHandlers.push(a)};this.gradeComponent=function(a){this.ctatdebug("gradeComponent ("+a.getName()+","+a.getClassName()+")");var b=CTATShellTools.findComponentByClass("CTATDoneButton");null!=b&&b!=a?b.moveHintHighlight(!1,
-null):d.ctatdebug("Info: no done button available to reset");d.clearFeedbackComponents();null!=nameTranslator?nameTranslator.translateFromCTAT(a.getName()):this.ctatdebug("Info: no name translator provided, using as-is");null==a?this.ctatdebug("Internal error, provided component is null"):(this.ctatdebug("Info: we have a valid component, grading ..."),"Do not tutor"==a.getTutorComponent()?d.processComponentAction(a.getSAI(),!1):(this.ctatdebug("Checking for back grading: "+a.getName()),"CTATTextArea"==
-a.getClassName()||"CTATTextInput"==a.getClassName()||"CTATTextField"==a.getClassName()?(this.ctatdebug("Backgrading ..."),this.ctatdebug("Grading "+a.getClassName()+" with value: "+a.getValue()),!0===CTATGlobalFunctions.isBlank(a.getValue())?this.ctatdebug("Empty component, nothing to grade"):(a.updateSAI(),a=a.getSAI(),d.processComponentAction(a))):(a="CTATTableGoogle"==a.getClassName()?new CTATSAI(a.getCurrentSelection(),"UpdateTextArea",a.getCurrentValue()):a.getSAI(),d.processComponentAction(a))))};
-this.processMessage=function(a){this.ctatdebug("processMessage ()");commMessageHandler.processMessage(a);this.ctatdebug("processMessage () done")};this.processStartProblem=function(){this.ctatdebug("processStartProblem ()");"google"==CTATConfig.external&&this.showFeedback("The tutor is starting, please wait ...");CTATLMS.initLMSConnection&&CTATLMS.initLMSConnection()};this.processStartState=function(){this.ctatdebug("processStartState ()");CTATMessageHandler.inStartState=!0;null!=g?(this.ctatdebug("Calling tutor.createInterface () ..."),
-g.createInterface()):(this.ctatdebug("Error: no tutor object available, calling createInterface globally ..."),window.hasOwnProperty("createInterface")&&window.createInterface());this.ctatdebug("Logging start of problem ...");null!=commLoggingLibrary?commLoggingLibrary.startProblem():this.ctatdebug("Info: no logging library available!");d.propagateShellEvent("StartProblem",null);this.ctatdebug("End of start state, inspecting suppressStudentFeedback ...");if(!0===CTATGlobals.suppressStudentFeedback){this.ctatdebug("Hiding hint button ...");
-var a=CTATShellTools.findComponentByClass("CTATHintButton");null!=a&&a.SetVisible(!1)}"google"==CTATConfig.external?(d.ctatdebug("Calling google app script hint request driver ..."),addCall(new RPCObject("resetOnEditQueue","dummy","dummy"))):this.ctatdebug("processStartState () done")};this.sendStartProblemMessage=function(){d.ctatdebug("sendStartProblemMessage()")};this.sendProblemSummaryRequest=function(b){d.ctatdebug("sendProblemSummaryRequest()");q=b;b=(new CTATTutoringServiceMessageBuilder).createProblemSummaryRequestMessage();
-a.sendXML(b,!1)};this.getAllInterfaceDescriptions=function(){d.ctatdebug("getAllInterfaceDescriptions ()");d.sendInterfaceDescriptionMessages()};this.sendInterfaceDescriptionMessages=function(){d.ctatdebug("sendInterfaceDescriptionMessages ()");for(var b=CTATShellTools.getAllComponents(),c='<?xml version="1.0" encoding="UTF-8"?><message><verb>NotePropertySet</verb><properties><MessageType>MessageBundle</MessageType><messages>',f=new CTATTutoringServiceMessageBuilder,e=0;e<b.length;e++){var g=b[e];
-d.ctatdebug("Getting component interface description message for: "+g.getName());c+=f.createInterfaceDescriptionMessage(g);g.getConfigurationActions&&g.getConfigurationActions().forEach(function(a){c+=f.createInterfaceActionMessage(CTATGuid.guid(),a)})}c+="</messages></properties></message>";d.ctatdebug("Final bundle: "+c);a.sendXMLNoBundle(c)};this.processSerialization=function(){d.ctatdebug("processSerialization()");d.setText(this.label)};this.processComponentAction=function(b,c,f,e,g,l){d.ctatdebug("processComponentAction("+
-b.getName()+" -> "+b.getSelection()+","+b.getAction()+","+b.getInput()+")");this.showFeedback("");f=CTATGuid.guid();null!=commLoggingLibrary?r&&(d.ctatdebug("We're not in the start state, logging the action ..."),"scrim"==b.getSelection()?ctatdebug("Not logging any scrim actions (for now)"):void 0!=g?commLoggingLibrary.logSemanticEvent(f,b,g,"","","",l):"hint"==b.getSelection()||"null.nextButton"==b.getSelection()||"null.previousButton"==b.getSelection()?commLoggingLibrary.logSemanticEvent(f,b,"HINT_REQUEST",
-"","","",l):commLoggingLibrary.logSemanticEvent(f,b,"ATTEMPT","","","",l)):this.ctatdebug("Info: no logging library available!");g=new CTATTutoringServiceMessageBuilder;!1!==c&&c!==CTAT.Component.Base.Tutorable.Options.TutorComponent.DO_NOT_TUTOR?(b=g.createInterfaceActionMessage(f,b),d.propagateShellEvent("InterfaceAction",b)):(b=g.createUntutoredActionMessage(f,b),d.propagateShellEvent("UntutoredAction",b));a.sendXML(b)};this.onEditSuccess=function(a){d.ctatdebug("onEditSuccess ("+a+")");null==
-nameTranslator?d.ctatdebug("Error: CTAT name translator not available"):-1!=a.indexOf(":")?(d.ctatdebug("Bump"),d.showFeedback("You're asking for a hint for multiple cells, please select only a single cell.")):(a=nameTranslator.translateToCTAT(a),d.ctatdebug("Info A1 notiation mapped to (if needed): "+a),a=new CTATSAI("hint","ButtonPressed",a),d.processComponentAction(a),d.propagateShellEvent("REQUESTHINT",null),d.ctatdebug("onEditSuccess () done"))};this.onFailure=function(a){d.ctatdebug("onFailure ("+
-a.message+")")};this.onNOPEditSuccess=function(a){d.ctatdebug("onNOPEditSuccess ("+a+")")};this.onNOPFailure=function(a){d.ctatdebug("onNOPFailure ("+a.message+")")};this.requestHint=function(){d.ctatdebug("requestHint(external -> "+CTATConfig.external+")");var a;if("none"==CTATConfig.external)d.ctatdebug("Calling built-in hint request driver ..."),CTATGlobals.Tab.previousFocus?(a=new CTATSAI("hint","ButtonPressed","hint request"),CTATGlobals.Tab.previousFocus.getSAI?(a.addSelection(CTATGlobals.Tab.previousFocus.getSAI().getSelection()),
-a.addAction("PreviousFocus")):d.ctatdebug("Current focus is not a CTAT component, can't ask for a hint yet")):(d.ctatdebug("CTATGlobals.Tab.previousFocus===null"),a=new CTATSAI("hint","ButtonPressed","hint request")),this.processComponentAction(a),this.propagateShellEvent("RequestHint",null);else if(d.clearFeedbackComponents(),"google"==CTATConfig.external){d.ctatdebug("Calling google app script hint request driver ...");try{google.script.run.withSuccessHandler(d.onEditSuccess).withFailureHandler(d.onFailure).getSheetSelectedRange()}catch(n){d.ctatdebug("google.script.run: "+
-n.message)}}else d.ctatdebug("'external' has configuration that doesn't match anything: "+CTATConfig.external)};this.processDone=function(){d.ctatdebug("processDone()");if(!0===CTATGlobals.confirmDone)CTATScrim.scrim.confirmScrimUp(CTATGlobals.languageManager.getString("SURE_YOU_ARE_DONE"),this.processDoneContinue,this.processDoneCancel);else{var a=new CTATSAI("done","ButtonPressed","-1");d.processComponentAction(a)}};this.processDoneContinue=function(a){d.ctatdebug("processDoneContinue()");CTATScrim.scrim.scrimDown();
-a=new CTATSAI("done","ButtonPressed","-1");d.processComponentAction(a);d.propagateShellEvent("DonePressed",null)};this.processDoneCancel=function(a){d.ctatdebug("processDoneCancel()");CTATScrim.scrim.scrimDown();a=CTATGuid.guid();var b=new CTATSAI("ConfirmDone","ButtonPressed","no");commLoggingLibrary.logSemanticEvent(a,b,"ATTEMPT","")};this.processGetURL=function(b){d.ctatdebug("processGetURL()");-1!=b.getURL().indexOf("http://")?a.retrieveFile(b.getURL().substring(7),d.processClientBRDLoad):a.retrieveFile(b.getURL(),
-d.processClientBRDLoad)};this.processClientBRDLoad=function(b){d.ctatdebug("processClientBRDLoad()");var c=a.getURL();a.sendXML("<message><verb>NotePropertySet</verb><properties><MessageType>GetURLResponse</MessageType><URL><![CDATA[ "+c+" ]]\x3e</URL><content><![CDATA[ "+window.btoa(b)+" ]]\x3e</content></properties></message>")};this.processCorrectAction=function(a){d.ctatdebug("processCorrectAction()");a.setGradeResult("correct");d.clearFeedbackComponents();null!=p&&(ctatdebug("Calling custom grading processor ..."),
-p("CORRECT",a));var b=a.getSelection();if(h[b]&&null!=m)m("CORRECT",a),this.propagateShellEvent("CORRECT",a);else{var c=CTATShellTools.findComponent(b);if(null!=c)for(ctatdebug("Processing "+c.length+" components ..."),b=0;b<c.length;b++)ctatdebug("Check "+c[b].getName()),c[b]?c[b].setCorrect&&c[b].setCorrect(a):d.ctatdebug("Internal error, component pointer is null");else d.ctatdebug("Error: component is null for selection "+b)}};this.processInCorrectAction=function(a){d.ctatdebug("processInCorrectAction()");
-a.setGradeResult("incorrect");null!=p&&(ctatdebug("Calling custom grading processor ..."),p("INCORRECT",a));var b=a.getSelection();if(h[b]&&null!=m)m("INCORRECT",a);else{var c=CTATShellTools.findComponent(b);if(null!==c)for(b=0;b<c.length;b++)ctatdebug("Calling setIncorrect on component ("+c[b].getClassName()+")..."),c[b].setIncorrect&&c[b].setIncorrect(a);else d.ctatdebug("Error: component is null for selection "+b)}};this.processHighlightMsg=function(a){d.ctatdebug("processHighlightMsg()");var b=
-a.getSelection(),c=CTATShellTools.findComponent(b);if(null!=c)for(b=0;b<c.length;b++)c[b].setHintHighlight(!0,a);else d.ctatdebug("Error: component is null for selection "+b);this.showFeedback(a.getHighlightMsg())};this.processUnHighlightMsg=function(a){d.ctatdebug("processUnHighlightMsg()");var b=a.getSelection(),c=CTATShellTools.findComponent(b);if(null!=c)for(b=0;b<c.length;b++)c[b].setHintHighlight(!1,null,a);else d.ctatdebug("Error: component is null for selection "+b)};this.processAssociatedRules=
-function(b,c,f){d.ctatdebug("processAssociatedRules()");if(0==commMessageHandler.getInStartState()){logHintSAI=b.getSAI();var g=new CTATActionEvaluationData("");d.ctatdebug("Found tutor advice: "+f);"Hint"==c||"HintWindow"==c?(ctatdebug("Preparing log message to indicate a hint response","commShell"),g.setCurrentHintNumber(hintIndex+1),g.setTotalHintsAvailable(hints.length),g.setEvaluation("HINT"),c="HINT_MSG",hints[hintIndex]&&(f=hints[hintIndex])):("Correct"==b.getIndicator()?g.setEvaluation("CORRECT"):
-g.setEvaluation("INCORRECT"),c="RESULT");ctatdebug("Adding custom field names ...");var l=[],h=[];l.push("step_id");h.push(b.getProperty("StepID"));var m=b.getCustomFields(),n;for(n in m)l.push(n),h.push(m[n]);n=b.getSkillsObject();d.updateSkillWindow(n);ctatdebug("Sending log message ...");null!=commLoggingLibrary?r&&commLoggingLibrary.logTutorResponse(b.getTransactionID(),logHintSAI,c,"",g,f,n,l,h):this.ctatdebug("Info: no logging library available!");"done"==logHintSAI.getSelection()&&"ButtonPressed"==
-logHintSAI.getAction()&&"Correct"==b.getIndicator()&&(b=e.createProblemSummaryRequestMessage(),a.sendXML(b,!1))}else d.updateSkillWindow(null);d.ctatdebug("processAssociatedRules() done")};this.processBuggyMessage=function(a){d.ctatdebug("processBuggyMessage()");this.showFeedback(a.getBuggyMsg())};this.processSuccessMessage=function(a){d.ctatdebug("processSuccessMessage()");this.showFeedback(a.getSuccessMessage())};this.processUntutoredAction=function(a,b){d.processInterfaceAction(a,b)};this.processInterfaceAction=
-function(a,b){d.ctatdebug('CTATCommShell.processInterfaceAction ("'+a.getMessageType()+'")');var c=a.getProperty("trigger"),c=a.getProperty("subtype")||(c&&"data"==c.toLowerCase()?"tutor-performed":"");null!=commLoggingLibrary?r&&commLoggingLibrary.logSemanticEvent(a.getTransactionID(),a.getSAI(),"ATTEMPT",c):this.ctatdebug("Info: no logging library available!");if("root"==a.getSelection()||"_root"==a.getSelection()){d.ctatdebug("Info: selection is 'root', we'll call the function straight up ...");
-var c=a.getAction(),f=a.getInput();d.ctatdebug("Calling as: "+c+"("+f+")");try{window[c](f)}catch(D){d.ctatdebug("Internal error: unable to execute function: "+D.message)}}else if(c=CTATShellTools.findComponent(a.getSelection()),null===c)d.ctatdebug("Internal error: unable to find pointer to component object");else if(0==c.length)d.ctatdebug("Error: no component found to call interface action on");else{f=c.length;d.ctatdebug("Call the action on the component(s) -> ("+f+")...");for(var e=0;e<f;e++){d.ctatdebug("About to call "+
-a.getAction()+" ("+a.getInput()+") on: "+a.getSelection());var g=c[e];g.executeSAI(a);d.ctatdebug("Method executed, continuing with post-processing ...");if(1==commMessageHandler.getInStartState()){var l=a.getAction();l&&l.toLowerCase().startsWith("updatetext")&&g.setEnabled(!b)}}d.ctatdebug("processInterfaceAction() Done")}};this.processInterfaceIdentification=function(a){d.ctatdebug("processInterfaceIdentification()")};this.processAuthorModeChange=function(a){d.ctatdebug("processAuthorModeChange()")};
-this.processShowHintsMessage=function(a){d.ctatdebug("processShowHintsMessage()")};this.processConfirmDone=function(a){d.ctatdebug("processConfirmDone()")};this.processVersionInfo=function(a){d.ctatdebug("processVersionInfo()")};this.processTutoringServiceAlert=function(a){d.ctatdebug("processTutoringServiceAlert()");for(var b="",c=0;c<a.length;c++){var e=a[c];"ErrorType"==f.getElementName(e)&&f.getNodeTextValue(e);"Details"==f.getElementName(e)&&(b=f.getNodeTextValue(e))}CTATScrim.scrim.scrimUp(b)};
-this.processTutoringServiceError=function(a){d.ctatdebug("processTutoringServiceError()");var b=a.getProperty("ErrorType");a=a.getProperty("Details");CTATScrim.scrim.scrimDown();CTATScrim.scrim.errorScrimUp(b+" - "+a)};this.processProblemSummaryResponse=function(a){d.ctatdebug("processProblemSummaryResponse()");CTATLMS.processProblemSummary&&CTATLMS.processProblemSummary(a.getXMLObject());CTATLMS.closeLMSConnection&&CTATLMS.closeLMSConnection();if(null!=q){var f=a.getXMLObject(),e=f.getElementsByTagName("ProblemSummary"),
-g=f.getElementsByTagName("cmi.core.lesson_status"),l=f.getElementsByTagName("cmi.core.score.raw");a=f.getElementsByTagName("cmi.core.exit");f=f.getElementsByTagName("cmi.core.session_time");e=$("<div>").html(e[0].innerHTML).text();g="<cmi.core.lesson_status>"+$("<div>").html(g[0].innerHTML).text()+"</cmi.core.lesson_status>";l="<cmi.core.score.raw>"+$("<div>").html(l[0].innerHTML).text()+"</cmi.core.score.raw>";a="<cmi.core.exit>"+$("<div>").html(a[0].innerHTML).text()+"</cmi.core.exit>";f="<cmi.core.session_time>"+
-$("<div>").html(f[0].innerHTML).text()+"</cmi.core.session_time>";q(e,"<scorm>"+g+l+a+f+"</scorm>");q=null}else f=new CTATXML,null!=c?c(f.xmlToString(a.getXMLObject())):b.sendSummary(a)};this.setGotProblemRestoreEnd=function(a){r=a};this.processProblemRestoreEnd=function(a){d.ctatdebug("processProblemRestoreEnd() scrimIsUp "+scrimIsUp);r=!0;CTATScrim.scrim.scrimDown()};this.clearFeedbackComponents=function(){d.ctatdebug("clearFeedbackComponents ()");CTATShellTools.showHints(null)};this.processHintResponse=
-function(a,b){d.ctatdebug("processHintResponse()");unhighlightall();CTATShellTools.showHints(b);var c=a.getSAI();if(null!=c)if(c=c.getSelection(),null!=c)if(d.ctatdebug("Highlighting selection for hint: "+c),c=CTATShellTools.findComponent(c),null!=c)for(var f=0;f<c.length;f++)1==CTATCommShell.detailedFeedback&&c[f].setHintHighlight(!0,a);else d.ctatdebug("Unable to find component name in list: "+c);else d.ctatdebug("Error: no highlight selection present in SAI");else d.ctatdebug("Warning: no SAI found in highlight message");
-CTATCommShell.detailedFeedback=!0;d.ctatdebug("processHintResponse() done")};this.showHighlightSelection=function(a,b){d.ctatdebug("showHighlightSelection ("+a+")");var c=CTATShellTools.findComponent(a);if(null!=c)for(var f=0;f<c.length;f++)1==CTATCommShell.detailedFeedback&&(0===f?c[f].moveHintHightlight&&c[f].moveHintHighlight(!0,b):c[f].setHintHighlight&&c[f].setHintHighlight(!0,b));else d.ctatdebug("Unable to find component name in list: "+c)};this.globalReset=function(){d.ctatdebug("globalReset ()");
-CTATMessageHandler.scriptElement=""};this.nextProblem=function(b){d.ctatdebug("nextProblem ()");if(CTATGlobalFunctions.isBlank(b))d.ctatdebug("Message is blank, requesting next problem ..."),b=flashVars.getRawFlashVars().run_problem_url,a.send(b);else{d.ctatdebug("Message contains html data, writing ...");try{document.close()}catch(n){alert("Error closing document: "+n.message)}try{document.write(b)}catch(n){alert("Error writing document: "+n.message)}}};this.updateSkillWindow=function(a){d.ctatdebug("updateSkillWindow()");
-CTATSkillSet.skills.untouchSkills();var b=CTATShellTools.findComponentByClass("CTATSkillWindow");null!==b?null!=a?b.updateSkillSet(a):b.drawComponent():d.ctatdebug("Info: no skill window available")};this.processComponentFocus=function(a){d.ctatdebug("processComponentFocus("+a.getName()+","+a.getClassName()+")");"CTATTextInput"==a.getClassName()||"CTATTextField"==a.getClassName()||"CTATTextArea"==a.getClassName()?(CTATGlobals.selectedTextInput=a,null!==mobileAPI&&!0===mobileAPI.getEnabled()&&mobileAPI.processTextFocus(a.getX(),
-a.getY(),a.getWidth(),a.getHeight())):CTATGlobals.selectedTextInput=null;d.ctatdebug("processComponentFocus() done")};this.showFeedback=function(a){null!=a&&void 0!=a&&/\S/.test(a)&&" "!=a?(d.ctatdebug("showFeedback("+a+") -> l: "+a.length),CTATShellTools.showFeedback(a),null!=l&&l(a)):d.ctatdebug("showFeedback(): False alarm: empty message. This can happen when the commshell is trying to clear the hint window and there is no hint window.")};this.assignFeedbackHandler=function(a){d.ctatdebug("assignFeedbackHandler()");
-l=a};this.gradeSAI=function(a,b,c){d.ctatdebug("gradeSAI()");h[a]=c;a=new CTATSAI(a,b,c);d.processComponentAction(a,!0,!0)};this.assignGradingHandler=function(a){d.ctatdebug("assignGradingHandler()");m=a};this.assignAnonymousGradingProcessor=function(a){p=a};this.assignDoneProcessor=function(a){c=a};this.addEventListener=function(a,b){};this.addGlobalEventListener=function(a){d.ctatdebug("addGlobalEventListener( "+a+")");a&&u.push(a)};this.closeWSConnection=function(b,c,d){(b=a.findWSConnection(b))?
-b.close(d,c):console.warn("connection not found")}};CTATCommShell.prototype=Object.create(CTATBase.prototype);CTATCommShell.prototype.constructor=CTATCommShell;CTATCommShell.commShell=null;CTATCommShell.detailedFeedback=!0;function enableDetailedFeedback(a){CTATCommShell.detailedFeedback=a};var CTATComponentReference=function(a,b){var e=a,g=b;this.setElement=function(a){e=a};this.getElement=function(){return e};this.setDiv=function(a){g=a};this.getDiv=function(){return g}};CTATComponentReference.components={};CTATComponentReference.list=function(){for(var a in CTATComponentReference.components){var b=CTATComponentReference.components[a];ctatdebug("Component: "+b.getElement().getName()+", with div: "+b.getDiv().id)}};
-CTATComponentReference.getComponentFromID=function(a){var b=CTATComponentReference.components;return b.hasOwnProperty(a)?(a=b[a],a.getElement()?a.getElement():null):null};CTATComponentReference.add=function(a,b){var e=new CTATComponentReference(a,b);return CTATComponentReference.components[e.getDiv().getAttribute("id")]=e};var CTATCompBase=function(a,b,e,g,d,c){CTATBase.call(this,a,b);var f=e||0,h=g||0,m=d||-2,l=c||-2,q=50,p=25,u=!1,r=!1,w="",n=!1,B=!0,v=null,y="",A=null;this.isTabIndexable=!0;var F=0,D=null,x=this,C=null,E="hidden",t=CTATGlobalFunctions.gensym.z_index(),G=CTATGlobalFunctions.gensym.div_id(),z=CTATGlobalFunctions.gensym.z_index(),J=CTATGlobalFunctions.gensym.div_id();this.setIsAbstractComponent=function(a){u=a};this.isAbstractComponent=function(){return u};this.setIsFeedbackComponent=function(a){r=
-a};this.isFeedbackComponent=function(){return r};this.setTabIndex=function(a){!0===this.isTabIndexable?(A=a,0>A?(A=CTATGlobals.Tab.Tracker,CTATGlobals.Tab.Tracker++):CTATGlobals.Tab.Tracker=A):A=-1};this.getTabIndex=function(){return A||this.getComponent().getAttribute("tabindex")};this.setZIndex=function(a){x.ctatdebug("Setting z index to: "+a);F=a;null!==v&&(v.style.zIndex=a)};this.getZIndex=function(){return F};this.setDefaultWidth=function(a){q=a};this.getDefaultWidth=function(){return q};this.setDefaultHeight=
-function(a){p=a};this.getDefaultHeight=function(){return p};this.processCommShellEvent=function(a,b){x.ctatdebug("processCommShellEvent ("+a+")")};this.makeDivWrapper=function(a){v=document.createElement("div");v.id=this.getName();v.setAttribute("onkeypress","return noenter(event)");v.setAttribute("data-ctat-component",this.getClassName());v.style.position="absolute";v.style.left=f+"px";v.style.top=h+"px";v.style.zIndex=t;v.style.width=x.getWidth()+"px";v.style.height=x.getHeight()+"px";$(v).data("CTATComponent",
-this);a.appendChild(v)};this.setDivWrapper=function(a){v=a;v.setAttribute("data-ctat-component",this.getClassName())};var H=this.setClassName;this.setClassName=function(a){H(a);v&&v.setAttribute("data-ctat-component",this.getClassName())};this.wrapComponent=function(a){x.ctatdebug("wrapComponent ()");x.makeDivWrapper(a);x.ctatdebug("wrapComponent () done")};this.createCanvas=function(){x.ctatdebug("createCanvas ()");C=document.createElement("canvas");C.setAttribute("id",J);C.setAttribute("onkeypress",
-"return noenter(event)");C.setAttribute("width",m+canvasCalibrate+"px");C.setAttribute("height",l+canvasCalibrate+"px");C.setAttribute("style","border: 1px "+this.borderColor+" solid; "+("hidden"==E?"visibility: hidden; ":"")+"z-index:"+z+";");v.firstChild?v.insertBefore(C,v.firstChild):v.appendChild(C);return C};this.redraw=function(){var a=v.style.display;v.style.display="none";v.style.display=a};this.setCanvasVisibility=function(a){E=a};this.getSubCanvasCtx=function(){if(C)return C.getContext("2d")};
-this.getSubCanvas=function(){return C};this.getX=function(){return f};this.getY=function(){return h};this.getWidth=function(){if(0>=m){var a;D?a=window.getComputedStyle(D):v&&(a=window.getComputedStyle(v));if(a)return parseFloat(a.width)}return m};this.getHeight=function(){if(0>=l&&v){var a=window.getComputedStyle(v);return parseFloat(a.getPropertyValue("height"))}return l};this.getText=function(){return w};this.getEnabled=function(){return B};this.assignEnabled=function(a){B=a;v.setAttribute("data-ctat-enabled",
-B)};this.setEnabled=function(a){x.ctatdebug("setEnabled ("+a+")");x.assignEnabled(a);D?D.disabled=!B:x.ctatdebug("Error: component pointer is null")};this.lock=this.setEnabled.bind(x,!1);this.unlock=this.setEnabled.bind(x,!0);this.getDivWrap=function(){return v};this.getComponent=function(){return D};this.component=null;Object.defineProperty(this,"component",{get:function(){return D}});this.getCanvasZIndex=function(){return z};this.getComponentGroup=function(){return y};this.setComponent=function(a){D=
-a;this.setEnabled(this.getEnabled())};this.getTopDivZIndex=function(){return t};this.getTopDivID=function(){return G};this.setComponentGroup=function(a){y=a;D&&(D.name=a)};this.assignText=function(a){w=a};this.init=function(){x.ctatdebug("THIS IS THE BASE INIT METHOD")};this.initialize=function(){x.ctatdebug("initialize ()");x.configFromDescription();x.init();x.processSerialization();x.render();x.processTabOrder();x.ctatdebug("initialize () done")};this.getInitialized=function(){return n};this.setInitialized=
-function(a){x.ctatdebug("setInitialized ("+a+")");n=a;!0!==n||v?x.ctatdebug("Not wrapping, initialized="+n+", divWrapper = "+v):(x.ctatdebug("Wrapping a component and appending it to the top container div if one was never set ..."),(a=findPointOfAttachment(this.getName()))?(x.ctatdebug("Attaching component to existing MovieClip ..."),x.wrapComponent(a.getDivWrapper())):(x.ctatdebug("Attaching component to main div ..."),0<$("#"+ctatcontainer).length&&x.wrapComponent(getSafeElementById(ctatcontainer))));
-x.getDivWrap().classList.add("CTATComponent");x.ctatdebug("setInitialized () done")};this.addSafeEventListener=function(a,b,c){x.ctatdebug("addSafeEventListener ("+a+")");x.ctatdebug("Adding event listener to: "+c);c?c.addEventListener(a,b):(D?(x.ctatdebug("Adding eventlistener to component instead of target"),D.addEventListener(a,b)):x.ctatdebug("Error: pointer to component is null, can't add event listener"),x.ctatdebug("addSafeEventListener () done"))};this.drawComponent=function(){};this.addComponentReference=
-function(a,b){x.ctatdebug("addComponentReference ("+a.getName()+" -> "+b.getAttribute("id")+")");CTATComponentReference.add(a,b);x.ctatdebug("addComponentReference ()")};this.getComponentFromID=function(a){return CTATComponentReference.getComponentFromID(a)};this.processSerialization=function(){x.ctatdebug("processSerialization()");x.ctatdebug("implement in child class")};this.move=function(a,b){f=Number(a);h=Number(b);if(void 0===b||null===b||isNaN(h))if(0<=a.indexOf(",")){var c=a.split(",");f=Number(c[0]);
-h=Number(c[1])}else h=0;f=isNaN(f)?0:f;h=isNaN(h)?0:h;v&&(v.style.left=f+"px",v.style.top=h+"px")};this.setSize=function(a,b){var c=Number(a),d=Number(b);(void 0===b||null===b||isNaN(d))&&0<=a.indexOf(",")&&(d=a.split(","),c=Number(d[0]),d=Number(d[1]));x.ctatdebug("setSize ("+c+","+d+")");isNaN(c)||x.setWidth(c);isNaN(d)||x.setHeight(d)};this.SetVisible=this.setVisible=function(a){a=CTATGlobalFunctions.toBoolean(a);E=!0===a?"block":"hidden";C&&C.setAttribute("style","border: 0px; position: absolute; "+
-(a?"":"visibility:hidden; ")+"; left:"+f+"px; top:"+h+"px; z-index:"+z+";");v.style.visibility=!0===a?"unset":"hidden"};this.FadeIn=function(a){x.SetVisible(!0)};this.FadeOut=function(a){x.SetVisible(!1)};this.reset=function(){};this.setX=function(a){this.x=a;v.style.left=this.x+"px";!0===n&&this.render()};this.setY=function(a){this.y=a;v.style.top=this.y+"px";!0===n&&this.render()};this.setWidth=function(a){x.ctatdebug("setWidth ("+a+")");m=a;v?v.style.width=m+"px":x.ctatdebug("Internal error: no div wrapper available to set width")};
-this.setHeight=function(a){x.ctatdebug("setHeight ("+a+")");l=a;v?v.style.height=l+"px":x.ctatdebug("Internal error: no div wrapper available to set height")};this.setText=function(a){w=a;return this};this.getValue=function(){return D?D.value:""};this.backgrade=!1;this.unHighlightAll=function(){$(".CTAT--hint").each(function(){for(var a=$(this),b=null;0<a.length&&null===b;)a.data("CTATComponent")?b=a.data("CTATComponent"):a=a.parent();b&&b.setHintHighlight&&b.setHintHighlight(!1,null)})};this.processOnFocus=
-function(){x.ctatdebug("processOnFocus ("+x.getName()+")");CTATGlobals.Tab.previousFocus=CTATGlobals.Tab.Focus;CTATGlobals.Tab.Focus!=x?(x.ctatdebug("CTATGlobals.Tab.Focus!=pointer, updating CTATGlobals.Tab.Focus ..."),CTATGlobals.Tab.Focus=x):x.ctatdebug("CTATGlobals.Tab.Focus==pointer");x.ctatdebug("processOnFocus () done")};this.processFocus=function(a){x.ctatdebug("processFocus ()");a.currentTarget.getAttribute("id");if(x){mobileAPI&&!0===mobileAPI.getEnabled()&&x.hideKeyboard();CTATCommShell.commShell&&
-CTATCommShell.commShell.processComponentFocus(x);if(CTATGlobals.Tab.Focus){x.ctatdebug("old focus: "+CTATGlobals.Tab.Focus.getName()+", new focus:"+x.getName()+", correct: "+CTATGlobals.Tab.Focus.isCorrect());if(1==CTATGlobals.Tab.Focus.isCorrect()){x.ctatdebug("Previous focus is a correct component, don't backgrade!");return}if(CTATGlobals.Tab.Focus==x){x.ctatdebug("We're already there!");return}CTATGlobals.Tab.Focus.backgrade&&CTATGlobals.Tab.Focus.processAction()}else x.ctatdebug("No previously focused component yet, can't grade");
-"hint"==x.getClassName()||"CTATHintButton"==x.getClassName()?x.ctatdebug("Info: focus moved to hint, bump"):(CTATGlobals.Tab.previousFocus=CTATGlobals.Tab.Focus,CTATGlobals.Tab.Focus=x,x.ctatdebug("processFocus () done"))}else x.ctatdebug("Error: component reference is null")};this.processTabOrder=function(){x.ctatdebug("processTabOrder ("+A+")");!0===u?x.ctatdebug("Component is an abstract component, bump"):D?(x.ctatdebug("We have a component, actually assigning to html component ..."),null!==A&&
-(D.tabIndex=A),D.onfocus=x.processOnFocus):x.ctatdebug("Error: we don't have an html component yet, can't assign tab index")};this.hideKeyboard=function(){document.activeElement.blur();$("input").blur()}};CTATCompBase.prototype=Object.create(CTATBase.prototype);CTATCompBase.prototype.constructor=CTATCompBase;var CTATCSS=function(){var a=0,b=[],e=0,g=[],d=0,c=[];this.resetSelectors=function(){e=0;g=[];g[e]=[]};this.resetCSSStringArray=function(){c=[];d=0};this.clearCSS=function(){this.resetSelectors();this.resetCSSStringArray();b=[];a=0};this.addStringCSS=function(a){c[d]=a;d++};this.addCSSAttribute=function(c,d){b[a]=c;b[a+1]=d;a+=2};this.removeStringCSS=function(a){a=c.indexOf(a);0<=a&&c.splice(a,1)};this.removeCSSAttribute=function(a){a=b.indexOf(a);0<=a&&b.splice(a,2)};this.modifyCSSAttribute=function(a,
-c){var d=b.indexOf(a);-1==d?this.addCSSAttribute(a,c):b[d+1]=c};this.addSelector=function(a){g[e]=[];g[e][0]=a;e++};this.addSelectorAttribute=function(a,b,c){var d=1;a:if(0===e)a=0;else{for(var f=0;f<g.length&&null!==g[f][0];f++)if(g[f][0]==a){a=f;break a}a=-1}for(;void 0!==g[a][d];)d++;g[a][d]=b;g[a][d+1]=c};this.toCSSString=function(){for(var a="",d=0;d<g.length;d++){for(var a=a+(g[d][0]+" { "),e=1;e<g[d].length;e++)a+=g[d][e],a=0===e%2?a+"; ":a+": ";a+=" }; "}for(d=0;d<b.length;d++)a+=b[d],a=0===
-d%2?a+": ":a+"; ";for(d=0;d<c.length;d++)a+=c[d]+" ";return a}};CTAT.Component={};CTAT.Component.Base={};
-CTAT.Component.Base.Style=function(a,b,e,g,d,c){CTATCompBase.call(this,a,b,e,g,d,c);var f=new CTATCSS;this.addCSSAttribute=function(a,b){f.addCSSAttribute(a,b);this.render()};this.removeCSSAttribute=function(a){f.removeCSSAttribute(a);this.render()};this.addStringCSS=function(a){f.addStringCSS(a);this.render()};this.removeStringCSS=function(a){f.removeStringCSS(a);this.render()};this.modifyCSSAttribute=function(a,b){f.modifyCSSAttribute(a,b);this.render()};this.getCSS=function(){return f.toCSSString()};
-this.render=function(){!0===this.isAbstractComponent()?this.ctatdebug("Component is an abstract component, bump"):this.getInitialized()&&(this.getComponent()?this.ctatdebug(f.toCSSString()):this.ctatdebug("Internal error, html component not available for rendering"))};this.setStyleAll=function(a,b){this.getSubCanvas()&&this.getSubCanvas().setAttribute(a,b);this.modifyCSSAttribute(a,b)}};CTAT.Component.Base.Style.prototype=Object.create(CTATCompBase.prototype);
-CTAT.Component.Base.Style.prototype.constructor=CTAT.Component.Base.Style;CTAT.Component.Base.Graphical=function(a,b,e,g,d,c,f){CTAT.Component.Base.Style.call(this,a,b,g,d,c,f);var h=e||(new CTATComponentDescription).setGenericDefaults();this.getGrDescription=function(){return h};this.setGrDescription=function(a){h=a;this.processDescription(h)};var m={},l={};this.getAlign=function(){return this.component?$(this.component).css("text-align"):$(this.getDivWrap()).css("text-align")};this.setAlign=function(a){this.component&&(this.component.style.textAlign=a);return this};this.getBackgroundColor=
-function(){return $(this.getComponent()).css("background-color")};this.setBackgroundColor=function(a){a=a?CTATGlobalFunctions.formatColor(a):null;this.component&&(this.component.style.backgroundColor=a);return this};this.setDisabledBGColor=function(a){return this};this.setDisabledTextColor=function(a){return this};this.getBorderColor=function(){return $(this.getComponent()).css("border-color")};this.setBorderColor=function(a){a=CTATGlobalFunctions.formatColor(a);this.getComponent()?$(this.getComponent()).css("border-color",
-a):this.getDivWrap().style.borderColor=a;return this};this.getBorderRoundness=function(){return $(this.getComponent()).css("border-radius")};this.setBorderRoundness=function(a){a=parseInt(a,10);isNaN(a)?a=m.roundness=0:m.roundness=a;a+="px";this.component&&this.getBorderRoundness()!==a&&($(this.component).css("border-radius",a),this.component.style.borderRadius=m.roundness);return this};this.getBorderStyle=function(){return $(this.getComponent()).css("borderStyle")};this.setBorderStyle=function(a){this.component&&
-(this.component.style.borderStyle=a);return this};this.getBorderWidth=function(){return this.getComponent()?$(this.getComponent()).css("borderWidth"):m.width};this.setBorderWidth=function(a){m.width=a;/(\d*(px)? ?){1,3}(\d*(px)? ?)?/.test(a)||(a="0px",console.log("invalid width string"));this.component&&this.getBorderWidth()!==a&&$(this.component).css("borderWidth",a);return this};this.setPadding=function(a){a=parseInt(a);isNaN(a)&&(a=0);this.component&&(this.component.style.padding=a+"px");return this};
-this.getFontColor=function(){if(this.component)return $(this.component).css("color")};this.setFontColor=function(a){console.log("setFontColor( )");l.color=CTATGlobalFunctions.formatColor(a);this.component&&(console.log("got comp"),this.getFontColor()!==l.color&&$(this.component).css("color",l.color));return l.color};this.setFontFamily=function(a){this.component&&(this.component.style.fontFamily=a);return this};this.getFontFamily=function(){if(this.component)return this.component.style.fontFamily;
-console.warn("component not found");return null};this.setFontSize=function(a){a=parseInt(a);isNaN(a)?this.component.style.fontSize=null:(l.size=a,this.component&&(this.component.style.fontSize=a+"pt"));return this};this.setShowBorder=function(a){a=CTATGlobalFunctions.toBoolean(a);this.component&&(a?this.setBorderStyle("solid"):this.setBorderStyle("none"));return this};this.setUnderlined=function(a){p_underlined=CTATGlobalFunctions.toBoolean(a);this.component&&(this.component.style.textDecoration=
-p_underlined?"underline":null);return this};this.setBolded=function(a){a=CTATGlobalFunctions.stringToBoolean(a);this.component&&(this.component.style.fontWeight=a?"bold":null);return this};this.setItalicized=function(a){CTATGlobalFunctions.toBoolean(a);this.component&&(this.component.style.fontStyle=l.italicized?"italic":null);return this};var q=this;a=function(a){var b=a||{};return{setHandler:function(a,c){b[a]=c},set:function(a){if(b.hasOwnProperty(a)){if(b[a]){var c=Array.prototype.slice.call(arguments,
-1);return b[a].apply(q,c)}q.ctatdebug("Error: NULL handler for "+a)}else q.ctatdebug("Error: No handler set for "+a)}}};this.style_handlers=a({BackgroundColor:this.setBackgroundColor,BorderColor:this.setBorderColor,borderRoundness:this.setBorderRoundness,DrawBorder:this.setShowBorder,FontFace:this.setFontFamily,FontSize:this.setFontSize,FontBold:this.setBolded,FontItalic:this.setItalicized,FontUnderlined:this.setUnderlined,labelText:this.setText,padding:this.setPadding,showBorder:this.setShowBorder,
-TextAlign:this.setAlign,TextColor:this.setFontColor});this.setStyle=function(a,b){this.style_handlers.set(a,b)};this.setStyleHandler=function(a,b){this.style_handlers.setHandler(a,b)};this.parameter_handlers=a({group:this.setComponentGroup});this.setParameter=function(a,b){this.parameter_handlers.set(a,b)};this.setParameterHandler=function(a,b){this.parameter_handlers.setHandler(a,b)};this.data_ctat_handlers={};this.processAttributes=function(){if(this.getDivWrap()){var a=$(this.getDivWrap()),b=parseInt(a.attr("tabindex"),
-10)||parseInt(a.attr("data-ctat-tabindex"),10);isNaN(b)||(this.setTabIndex(b),a.attr("tabindex",null));b=a.attr("name");void 0!==b&&this.setComponentGroup(b);for(var c in this.data_ctat_handlers)b=a.data("ctat-"+c),void 0!==b&&this.data_ctat_handlers[c].apply(this,[b])}};this.data_ctat_handlers.enabled=function(a){this.setEnabled(CTATGlobalFunctions.toBoolean(a))};this.processParameters=function(a){if(a)if(a instanceof CTATComponentDescription){q.setName(a.name);a=a.params;for(var b in a)this.setParameter(b,
-a[b])}else this.ctatdebug("Error: Invalid description sent to CTAT.Components.Hierarchy.Graphical.processDescription: "+a)};this.processStyles=function(a){if(a)if(a instanceof CTATComponentDescription){a=a.styles;for(var b in a)this.setStyle(b,a[b])}else this.ctatdebug("Error: Invalid description sent to CTAT.Components.Hierarchy.Graphical.processDescription: "+a)};this.processDescription=function(a){this.processParameters(a);this.processStyles(a)};this.configFromDescription=function(){this.processParameters(h)};
-this.processSerialization=function(){this.processStyles(h)};this.addClass=function(a){this.getDivWrap()&&null!=this.getDivWrap()&&this.getDivWrap().classList.add(a)};this.removeClass=function(a){this.getDivWrap()&&null!=this.getDivWrap().classList&&this.getDivWrap().classList.remove(a)}};CTAT.Component.Base.Graphical.prototype=Object.create(CTAT.Component.Base.Style.prototype);CTAT.Component.Base.Graphical.prototype.constructor=CTAT.Component.Base.Graphical;CTAT.Component.Base.SAIHandler=function(a,b,e,g,d,c,f){CTAT.Component.Base.Graphical.call(this,a,b,e,g,d,c,f);var h=new CTATSAI(this.getName(),CTAT.Component.Base.SAIHandler.DefaultAction,CTAT.Component.Base.SAIHandler.DefaultInput,CTAT.Component.Base.SAIHandler.DefaultPrompt),m=this.setName;this.setName=function(a){m(a);h.setSelection(this.getName())};this.getSAI=function(){return h};this.setSAI=function(a,b,c){a instanceof CTATSAI?h=a:(a=null===a||void 0===a?this.getName():a,h=new CTATSAI(a,b,c,
-CTAT.Component.Base.SAIHandler.DefaultPrompt));return this};this.setInput=function(a){h instanceof CTATSAI?h.setInput(a):h=new CTATSAI(this.getName(),CTAT.Component.Base.SAIHandler.DefaultAction,a,CTAT.Component.Base.SAIHandler.DefaultPrompt);return this};this.setAction=function(a){h instanceof CTATSAI?h.setAction(a):h=new CTATSAI(this.getName(),a,CTAT.Component.Base.SAIHandler.DefaultInput,CTAT.Component.Base.SAIHandler.DefaultPrompt);return this};this.setActionInput=function(a,b){this.setAction(a);
-this.setInput(b);return this};this.setSelection=function(a){h instanceof CTATSAI?h.setSelection(a):h=new CTATSAI(a,CTAT.Component.Base.SAIHandler.DefaultAction,CTAT.Component.Base.SAIHandler.DefaultInput,CTAT.Component.Base.SAIHandler.DefaultPrompt)};this.updateSAI=function(){};this.executeSAI=function(a){this.ctatdebug("executeSAI ()");var b;b=a instanceof CTATMessage?a.getSAI():a;if(b instanceof CTATSAI){var c=b.getAction();this.ctatdebug("Processing "+c+"("+b.getInput()+") on: "+b.getSelection());
-if("function"==typeof this[c]){b=b.getArgumentsTyped();this.ctatdebug("JSON args: "+JSON.stringify(b));try{this.ctatdebug("Executing "+c+"("+b+","+typeof a+")..."),b.push(a),this[c].apply(this,b)}catch(u){return this.ctatdebug("ERROR: failed to execute action: "+u.message),!1}this.component&&(a=new CustomEvent("CTAT_EXECUTE_SAI",{detail:{sai:a,component:this},bubbles:!0,cancelable:!0}),this.component.dispatchEvent(a));return!0}this.ctatdebug("ERROR: Unsupported action: "+c+" from "+b.toLSxmlString());
-return!1}this.ctatdebug("ERROR: Non-SAI sent to executeSAI("+typeof a+")");return!1}};CTAT.Component.Base.SAIHandler.DefaultAction="ButtonPressed";CTAT.Component.Base.SAIHandler.DefaultInput="-1";CTAT.Component.Base.SAIHandler.DefaultPrompt="";CTAT.Component.Base.SAIHandler.prototype=Object.create(CTAT.Component.Base.Graphical.prototype);CTAT.Component.Base.SAIHandler.prototype.constructor=CTAT.Component.Base.SAIHandler;CTAT.Component.Base.Tutorable=function(a,b,e,g,d,c,f){CTAT.Component.Base.SAIHandler.call(this,a,b,e,g,d,c,f);var h=!0,m=!0,l=!0,q=CTAT.Component.Base.Tutorable.Options.TutorComponent.TUTOR,p=this,u=!1;this.setTutorComponent=function(a){q=a;a=CTAT.Component.Base.Tutorable.Options.TutorComponent;switch(q){case a.TUTOR:l=h=m=!0;break;case a.TUTOR_NO_FEEDBACK:h=m=!0;l=!1;break;case a.DO_NOT_TUTOR:h=!1,m=!0}};this.setParameterHandler("tutorComponent",this.setTutorComponent);this.data_ctat_handlers.tutor=
-function(a){h=CTATGlobalFunctions.toBoolean(a)};this.data_ctat_handlers["show-feedback"]=function(a){l=CTATGlobalFunctions.toBoolean(a)};this.getTutorComponent=function(){var a=CTAT.Component.Base.Tutorable.Options.TutorComponent;return h&&m&&l?a.TUTOR:h&&m&&!l?a.TUTOR_NO_FEEDBACK:!h&&m?a.DO_NOT_TUTOR:q};this.getDisableOnCorrect=function(){var a=$(this.getDivWrap()).attr("data-ctat-disable-on-correct");return a?CTATGlobalFunctions.toBoolean(a):!0};this.setDisableOnCorrect=function(a){$(this.getDivWrap()).attr("data-ctat-disable-on-correct",
-a)};this.setParameterHandler("DisableOnCorrect",this.setDisableOnCorrect);var r=!0;this.getShowHintHighlight=function(){return r};this.setShowHintHighlight=function(a){r=CTATGlobalFunctions.toBoolean(a)};this.setParameterHandler("ShowHintHighlight",this.setShowHintHighlight);this.data_ctat_handlers["show-hint-highlight"]=function(a){r=CTATGlobalFunctions.toBoolean(a)};var w=CTAT.Component.Base.Tutorable.Options.Status.NOTGRADED;this.getComponentStatus=function(){return w};this.setComponentStatus=
-function(a){w=a};this.isCorrect=function(){return w===CTAT.Component.Base.Tutorable.Options.Status.CORRECT};this.isIncorrect=function(){return w===CTAT.Component.Base.Tutorable.Options.Status.INCORRECT};this.isNotGraded=function(){return w===CTAT.Component.Base.Tutorable.Options.Status.NOTGRADED};this.setCorrect=function(a){this.setNotGraded();"CTATTableGoogle"!=this.getClassName()&&this.executeSAI(a);w=CTAT.Component.Base.Tutorable.Options.Status.CORRECT;!0===this.getDisableOnCorrect()&&this.setEnabled(!1);
-!1===CTATGlobals.suppressStudentFeedback&&l&&this.showCorrect(a);this.ctatdebug("setCorrect() post showCorrect");this.component&&(a=new CustomEvent(CTAT.Component.Base.Tutorable.EventType.correct,{detail:{sai:a,component:this},bubbles:!0,cancelable:!0}),this.getDivWrap().dispatchEvent(a))};this.setIncorrect=function(a){this.ctatdebug("setIncorrect()");this.setNotGraded();"CTATTableGoogle"!=this.getClassName()&&this.executeSAI(a);w=CTAT.Component.Base.Tutorable.Options.Status.INCORRECT;!1===CTATGlobals.suppressStudentFeedback&&
-l&&this.showInCorrect(a);this.component&&(a=new CustomEvent(CTAT.Component.Base.Tutorable.EventType.incorrect,{detail:{sai:a,component:this},bubbles:!0,cancelable:!0}),this.getDivWrap().dispatchEvent(a))};this.setNotGraded=function(){this.ctatdebug("setNotGraded ()");this.setHintHighlight(!1);if(!this.isNotGraded()&&(w=CTAT.Component.Base.Tutorable.Options.Status.NOTGRADED,this.removeCorrect(),this.removeInCorrect(),this.component)){var a=new CustomEvent(CTAT.Component.Base.Tutorable.EventType.ungrade,
-{detail:{component:this},bubbles:!0,cancelable:!0});this.getDivWrap().dispatchEvent(a)}};this.showHintHighlight=function(a,b){this.component.classList.remove("CTAT--correct");this.component.classList.remove("CTAT--incorrect");a?this.component.classList.add("CTAT--hint"):this.component.classList.remove("CTAT--hint")};this.setHintHighlight=function(a,b){this.ctatdebug("setHintHighlight ("+a+")");if(r){var c=CTATGlobalFunctions.toBoolean(a);if(this.component){var d=new CustomEvent(CTAT.Component.Base.Tutorable.EventType.highlight,
-{detail:{isHighlighted:c,component:this},bubbles:!0,cancelable:!0});this.getDivWrap().dispatchEvent(d)}c!==u&&(u=c,this.showHintHighlight(c,b))}};this.moveHintHighlight=function(a,b){this.ctatdebug("moveHintHighlight ("+a+")");CTATGlobals.Tab.previousFocus=CTATGlobals.Tab.Focus;CTATGlobals.Tab.Focus=p;p.component.focus?CTATGlobals.Tab.Focus.getComponent().focus():CTATGlobals.Tab.Focus.getDivWrap().focus();if(r){var c=CTATGlobalFunctions.toBoolean(a);if(this.component){var d=new CustomEvent(CTAT.Component.Base.Tutorable.EventType.highlight,
-{detail:{isHighlighted:c,component:this},bubbles:!0,cancelable:!0});this.getDivWrap().dispatchEvent(d)}c!==u&&(u=c,this.showHintHighlight(c,b))}};this.highlight=function(a){ctatdebug("highlight ()");this.component.classList.add("CTAT--highlight")};this.unhighlight=function(a){ctatdebug("unhighlight ()");this.component.classList.remove("CTAT--highlight")};this.showCorrect=function(a){this.ctatdebug("showCorrect("+a+")");this.getComponent().classList.remove("CTAT--incorrect");this.getComponent().classList.remove("CTAT--hint");
-this.getComponent().classList.add("CTAT--correct")};this.removeCorrect=function(){this.getComponent()&&this.getComponent().classList.remove("CTAT--correct")};this.showInCorrect=function(a){this.ctatdebug("showInCorrect("+a+")");this.getComponent().classList.remove("CTAT--correct");this.getComponent().classList.remove("CTAT--hint");this.getComponent().classList.add("CTAT--incorrect")};this.removeInCorrect=function(){this.getComponent()&&this.getComponent().classList.remove("CTAT--incorrect")};this.resetTutoring=
-function(){this.showHintHighlight(!1);this.removeCorrect();this.removeInCorrect();w=CTAT.Component.Base.Tutorable.Options.Status.NOTGRADED};this.grade=function(){this.updateSAI();this.processAction(!0)};this.processAction=function(a,b){this.ctatdebug("processAction("+a+","+b+")");p.unHighlightAll();var c=CTATShellTools.findComponentByClass("CTATDoneButton");c&&c instanceof CTAT.Component.Base.Tutorable&&c!=this&&c.setNotGraded();this.ctatdebug("processAction() finished checking doneButton");ctatdebug("Clearing hint window ...");
-CTATCommShell.commShell&&CTATCommShell.commShell.clearFeedbackComponents();a=void 0===a||null===a?!1:a;b=void 0===b||null===b?!1:b;""!==this.getComponentGroup()?CTATShellTools.findComponent(this.getComponentGroup()).forEach(function(a){a.setNotGraded&&a.setNotGraded()}):this.setNotGraded();this.ctatdebug("processAction() finished setNotGraded");CTATCommShell.commShell&&(a?CTATCommShell.commShell.processComponentAction(this.getSAI(),!0,!0):b?CTATCommShell.commShell.processComponentAction(this.getSAI(),
-!1,!0):CTATCommShell.commShell.processComponentAction(this.getSAI(),h,m));this.ctatdebug("processAction() finished call to commShell.processComponentAction");this.component&&(c=new CustomEvent(CTAT.Component.Base.Tutorable.EventType.action,{detail:{sai:this.getSAI(),component:this},bubbles:!0,cancelable:!0}),this.component.dispatchEvent(c))};this.addEventScreen=function(a){var b=document.createElement("div");b.style.position="absolute";b.style.top="0";b.style.left="0";b.style.bottom="0";b.style.right=
-"0";a&&b.addEventListener("dblclick",function(){setTimeout(function(){var a=p.getDivWrap().getAttribute("data-ctat-enabled");p.setEnabled(!0);var b=p.getComponent();b.hasEditListeners||(b.addEventListener("blur",function(){p.setEnabled(!1);p.getDivWrap().setAttribute("data-ctat-enabled",a);p.getDivWrap().setAttribute("value",b.value)}),"CTATTextArea"===p.getClassName()&&b.addEventListener("keydown",function(a){13==(a.keyCode||a.charCode)&&(a.preventDefault(),this.value+="\n")}),b.hasEditListeners=
-!0);b.focus()},410)});this.getDivWrap().appendChild(b)}};CTAT.Component.Base.Tutorable.Options={TutorComponent:{TUTOR:"Tutor",TUTOR_NO_FEEDBACK:"Tutor but no visual feedback",DO_NOT_TUTOR:"Do not tutor"},Status:{CORRECT:"CORRECT",INCORRECT:"INCORRECT",NOTGRADED:"NOTGRADED"}};CTAT.Component.Base.Tutorable.EventType={correct:"CTAT_CORRECT",incorrect:"CTAT_INCORRECT",highlight:"CTAT_HIGHLIGHT",ungrade:"CTAT_NOTGRADED",action:"CTAT_ACTION"};CTAT.Component.Base.Tutorable.prototype=Object.create(CTAT.Component.Base.SAIHandler.prototype);
-CTAT.Component.Base.Tutorable.prototype.constructor=CTAT.Component.Base.Tutorable;CTAT.Component.Base.Clickable=function(a,b,e,g,d,c,f){CTAT.Component.Base.Tutorable.call(this,a,b,e,g,d,c,f);var h=this;this.processClick=function(a){h.ctatdebug("processClick ("+a.currentTarget.getAttribute("id")+" -> "+a.eventPhase+")");!0===h.getEnabled()?h.processAction():h.ctatdebug("Component is disabled, not grading")};this.setClickable=function(a){h.setEnabled(a)}};CTAT.Component.Base.Clickable.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);
-CTAT.Component.Base.Clickable.prototype.constructor=CTAT.Component.Base.Clickable;var CTATButtonBasedComponent=function(a,b,e,g,d,c,f){CTAT.Component.Base.Clickable.call(this,a,b,e,g,d,c,f);var h=this,m="",l="black";this.setActionInput("ButtonPressed","-1");this.setImage=function(a){h.ctatdebug("assignImage ("+a+")");h.getDivWrap().setAttribute("data-ctat-img",a);a&&(a="url('"+a+"')");$(h.getComponent()).css("background-image",a);$(h.getComponent()).css("background-size","cover")};this.assignImage=function(a){h.ctatdebug("assignImage ()");h.assignImages(a,a,a,a)};this.assignImageURL=
-function(a){h.ctatdebug("assignImageURL ()");h.assignImages(a,a,a,a)};this.assignImages=function(a,b,c,d){h.ctatdebug("assignImages ()");h.getDivWrap().setAttribute("data-ctat-image-hover",a);h.getDivWrap().setAttribute("data-ctat-image-clicked",b);h.getDivWrap().setAttribute("data-ctat-image-default",c);h.getDivWrap().setAttribute("data-ctat-image-disabled",d);this.setImage(c)};this.processBaseMousedown=function(){h.ctatdebug("processMousedown ()");h.component.classList.add("CTAT-button--clicked");
-var a=h.getDivWrap().getAttribute("data-ctat-image-clicked");h.getEnabled()&&a&&void 0!==a&&""!==a&&null!==a&&(h.getComponent().style.backgroundImage="url('"+a+"')")};this.processBaseMouseup=function(){h.ctatdebug("processMouseup ()");h.component.classList.remove("CTAT-button--clicked");var a=h.getDivWrap().getAttribute("data-ctat-image-default");h.getEnabled()&&a&&void 0!==a&&""!==a&&null!==a&&(h.getComponent().style.backgroundImage="url('"+a+"')")};this.processBaseMouseover=function(){h.ctatdebug("processBaseMouseover ()");
-h.component.classList.add("CTAT-button--hover");var a=h.getDivWrap().getAttribute("data-ctat-image-hover");h.getEnabled()&&a&&void 0!==a&&""!==a&&(h.getComponent().style.backgroundImage="url('"+a+"')")};this.processBaseMouseout=function(){h.ctatdebug("processBaseMouseout ()");h.component.classList.remove("CTAT-button--hover");h.component.classList.remove("CTAT-button--clicked");var a=h.getDivWrap().getAttribute("data-ctat-image-default");h.getEnabled()&&a&&void 0!==a&&""!==a&&(h.getComponent().style.backgroundImage=
-"url('"+a+"')")};this.setText=function(a){h.ctatdebug("setText ("+a+")");m=a;null!==h.getComponent()&&(h.getComponent().innerHTML=m)};this.setFontColor=function(a){l=a;$(h.getComponent()).css("color",a)};this.getFontColor=function(){return l};this.setStyleHandler("labelText",this.setText);this.getText=function(){return m};this.processClick=function(a){h.ctatdebug("processClick ("+a.currentTarget.getAttribute("id")+" -> "+a.eventPhase+")");!0===h.getEnabled()?(null!==CTATGlobals.Tab.Focus&&("CTATTextArea"==
-CTATGlobals.Tab.Focus.getClassName()||"CTATTextInput"==CTATGlobals.Tab.Focus.getClassName()||"CTATTextField"==CTATGlobals.Tab.Focus.getClassName()?CTATGlobals.Tab.Focus.processAction():h.ctatdebug("Info: CTATGlobals.Tab.Focus==null")),a=$(h.getDivWrap()).attr("value"),h.setInput(a?a:"-1"),h.processAction()):h.ctatdebug("Component is disabled, not grading")};this.ButtonPressed=function(){}};CTATButtonBasedComponent.prototype=Object.create(CTAT.Component.Base.Clickable.prototype);
-CTATButtonBasedComponent.prototype.constructor=CTATButtonBasedComponent;CTAT.ComponentRegistry={};CTAT.ComponentRegistry.addComponentType=function(){};Object.defineProperty(CTAT.ComponentRegistry,"addComponentType",{enumerable:!1,value:function(a,b){"string"==typeof a&&(this.hasOwnProperty(a)?alert(a+" is already a registered component"):this[a]=b)}});var CTATAudioButton=function(a,b,e,g,d){CTATButtonBasedComponent.call(this,"CTATAudioButton","audiobutton",a,b,e,g,d);var c=this;c.setActionInput("play","-1");var f=null,h="",m=CTATConfiguration.get("previewMode");this.setSource=function(a){this.getDivWrap().setAttribute("data-ctat-src",a);return this};this.getSource=function(){return this.getDivWrap().getAttribute("data-ctat-src")};this.setParameterHandler("SoundFile",this.setSource);this.init=function(){var a=document.createElement("button");a.value=
-"-1";a.name=c.getName();a.setAttribute("id",CTATGlobalFunctions.gensym.div_id());a.setAttribute("onkeypress","return noenter(event)");a.classList.add("CTAT-button");if(this.getDivWrap().getAttribute("data-ctat-label"))a.textContent=this.getDivWrap().getAttribute("data-ctat-label");else if(c.getText())a.textContent=c.getText();else if(c.getDivWrap()&&c.getDivWrap().innerHTML&&!m){var b=c.getDivWrap().innerHTML;c.getDivWrap().innerHTML="";a.innerHTML=b}c.setInitialized(!0);c.setComponent(a);c.addComponentReference(c,
-a);c.getDivWrap().appendChild(a);c.ctatdebug("Final location: "+c.getX()+","+c.getY()+" with text: "+c.getText());m||(a.addEventListener("click",c.processClick),a.addEventListener("focus",c.processFocus));f=document.createElement("audio");f.addEventListener("canplay",function(){c.ctatdebug("Audio loaded and ready for play");""!==h&&(c.logAudioEvent(h),h="")},!0);f.onended=function(){c.ctatdebug("Audio ended");c.logAudioEvent("end")};this.getDivWrap().appendChild(f)};this.getConfigurationActions=function(){var a=
-[],b;0<this.component.innerHTML.trim().length&&(b=new CTATSAI,b.setSelection(this.getName()),b.setInput(this.component.innerHTML.toString()),b.setAction("setText"),a.push(b));0<this.getSource().trim().length&&(b=new CTATSAI,b.setSelection(this.getName()),b.setInput(this.getSource()),b.setAction("setSource"),a.push(b));return a};this.reset=function(){c.configFromDescription();c.processSerialization();c.setEnabled(!0);h="reset"};this.logAudioEvent=function(a){c.ctatdebug("logAudioEvent ("+a+")");if(void 0!==
-f.duration)if(null!==CTATCommShell.commShell){a=new CTATSAI(c.getName(),a,c.toHHMMSS(f.currentTime)+".000","");a.addSelection(encodeURIComponent(f.currentSrc),"media_file");a.addSelection(c.toHHMMSS(f.duration)+".000","clip_length");var b=a.getInputObject();null!==b&&b.setType("time");CTATCommShell.commShell.processComponentAction(a,!1,!0,c,"AUDIO_ACTION","USER")}else c.ctatdebug("Error: commShell is null, can't send untutored tool message");else c.ctatdebug("Error: audio file not loaded yet, can't obtain duration")};
-this.processClick=function(a){c.ctatdebug("processClick ("+a.currentTarget.getAttribute("id")+" -> "+a.eventPhase+")");!0===c.getEnabled()?(a=this.getSource(),c.ctatdebug("Playing audio file: "+a),f.setAttribute("src",a),f.play(),h="play",c.processAction()):c.ctatdebug("Component is disabled, not grading")}.bind(this);this.play=function(){c.ctatdebug("play");var a=this.getSource();f.setAttribute("src",a);f.load();f.play();h="play"};this.playClip=function(a){c.ctatdebug("playClip");f.setAttribute("src",
-a);f.load();f.play();h="play"};this.pause=function(){c.ctatdebug("pause");f.pause();h="pause"}};CTATAudioButton.prototype=Object.create(CTATButtonBasedComponent.prototype);CTATAudioButton.prototype.constructor=CTATAudioButton;CTAT.ComponentRegistry.addComponentType("CTATAudioButton",CTATAudioButton);var CTATButton=function(a,b,e,g,d){CTATButtonBasedComponent.call(this,"CTATButton","aButton",a,b,e,g,d);var c=this,f=null,h=CTATConfiguration.get("previewMode");this.init=function(){c.ctatdebug("init ("+c.getName()+")");c.setActionInput("ButtonPressed","-1");f=document.createElement("button");f.type="button";f.name=c.getName();f.value=$(this.getDivWrap()).attr("value")||"-1";this.setInput(f.value);f.id=CTATGlobalFunctions.gensym.div_id();f.setAttribute("onkeypress","return noenter(event)");f.classList.add("CTAT-button");
-c.setInitialized(!0);if(c.getDivWrap().getAttribute("data-ctat-label"))f.innerHTML=c.getDivWrap().getAttribute("data-ctat-label");else if(c.getText())f.innerHTML=c.getText();else if(c.getDivWrap()&&c.getDivWrap().innerHTML&&!h){var a=c.getDivWrap().innerHTML;c.getDivWrap().innerHTML="";f.innerHTML=a}c.setComponent(f);c.addComponentReference(c,f);c.getDivWrap().appendChild(f);f.addEventListener("click",c.processClick);f.addEventListener("focus",c.processFocus);f.addEventListener("mousedown",this.processBaseMousedown);
-f.addEventListener("mouseup",this.processBaseMouseup);f.addEventListener("mouseover",c.processBaseMouseover);f.addEventListener("mouseout",c.processBaseMouseout)}.bind(this);this.render=function(){};this.getConfigurationActions=function(){var a=[],b;0<f.innerHTML.trim().length&&(b=new CTATSAI,b.setSelection(this.getName()),b.setInput(f.innerHTML.toString()),b.setAction("setText"),a.push(b));return a};this.reset=function(){c.configFromDescription();c.processSerialization();c.setEnabled(!0)}};
-CTATButton.prototype=Object.create(CTATButtonBasedComponent.prototype);CTATButton.prototype.constructor=CTATButton;CTAT.ComponentRegistry.addComponentType("CTATButton",CTATButton);var CTATCheckBox=function(a,b,e,g,d){CTAT.Component.Base.Clickable.call(this,"CTATCheckBox","__undefined__",a,b,e,g,d);var c=null,f=null,h=CTATConfiguration.get("previewMode");this.setStyleHandler("inspBackgroundColor",null);this.setStyleHandler("BackgroundColor",null);this.setStyleHandler("DrawBorder",null);this.setStyleHandler("showBorder",null);this.setStyleHandler("BorderColor",null);this.setStyleHandler("TextAlign",null);var m=this;this.setSelection(this.getComponentGroup());this.setAction("UpdateCheckBox");
-this.getCheckBox=function(){return c};this.setStyleHandler("labelPlacement",null);var l=function(a){this.updateSAI();this.processClick(a)};this.init=function(){m.setInitialized(!0);c=document.createElement("input");c.type="checkbox";c.setAttribute("id",this.getName()+"_check");c.classList.add("CTATCheckBox--button");this.getText()?c.value=m.getText():this.getDivWrap()&&this.getDivWrap().textContent?c.value=this.getDivWrap().textContent:c.value=c.id;this.getComponentGroup()?c.name=m.getComponentGroup():
-this.getDivWrap()&&$(this.getDivWrap()).attr("name")?c.name=$(this.getDivWrap()).attr("name"):c.name="checkBoxGroup";!0===m.getEnabled()?c.disabled=!1:c.disabled=!0;m.ctatdebug("Final location: "+m.getX()+","+m.getY()+" with text: "+m.getText());m.addComponentReference(m,c);if(!h){var a=this.getDivWrap().innerHTML;this.getDivWrap().innerHTML=""}$(m.getDivWrap()).append(c);f=document.createElement("label");f.htmlFor=c.id;f.classList.add("CTATCheckBox--label");this.getText()?f.textContent=this.getText():
-a&&!h?f.innerHTML=a:this.getDivWrap().getAttribute("data-ctat-label")&&this.setText(this.getDivWrap().getAttribute("data-ctat-label"));$(this.getDivWrap()).append(f);m.setComponent(c);c.addEventListener("click",l.bind(this));c.addEventListener("focus",m.processFocus);c.onfocus=this.processOnFocus;this.setSelection(this.getComponentGroup())};this.resize=function(){var a=$(this.getDivWrap()).height();$(f).css("font-size",a-5+"px");$(this.getComponent()).css("height",a-10+"px");$(this.getComponent()).css("width",
-a-10+"px")};this.getConfigurationActions=function(){var a=[],b;0<f.innerHTML.trim().length&&(b=new CTATSAI,b.setSelection(this.getName()),b.setInput(f.innerHTML.toString()),b.setAction("setText"),a.push(b));return a};var q=this.setText;this.setText=function(a){m.ctatdebug("setText ("+a+")");q(a);c&&(c.value=a,f.innerHTML=a)};this.setStyleHandler("labelText",this.setText);var p=this.setEnabled;this.setEnabled=function(a){p(a);c&&(c.disabled=!this.getEnabled())};this.getCheckBoxInput=function(){return f.innerHTML+
-": "+c.checked};this.reset=function(){c.checked=!1;m.setEnabled(!0)};this.UpdateCheckBox=function(a){var b=new RegExp("(^|;)"+CTATCheckBox.escape(c.value)+"\\s*:\\s*true");c.checked=0<=a.search(b)};this.SetSelected=function(a){a=CTATGlobalFunctions.toBoolean(a);c.checked=a};this.updateSAI=function(){var a=$('div[data-ctat-component]:has(input[type="checkbox"][name="'+c.name+'"])').sort(function(a,b){var c=a.id,d=b.id;return c>d?1:c<d?-1:0}),a=$.map(a,function(a){a=$(a).data("CTATComponent").getCheckBox();
-return a.value+": "+a.checked});this.setSelection(c.name);this.setAction("UpdateCheckBox");this.setInput(a.join(";"))};var u=function(a){f.classList.add(a);c.classList.add(a)},r=function(a){f.classList.remove(a);c.classList.remove(a)};this.showCorrect=function(a){r("CTAT--incorrect");r("CTAT--hint");u("CTAT--correct")};this.removeCorrect=r.bind(this,"CTAT--correct");this.showInCorrect=function(a){r("CTAT--correct");r("CTAT--hint");u("CTAT--incorrect")};this.removeInCorrect=r.bind(this,"CTAT--incorrect");
-this.showHintHighlight=function(a){r("CTAT--incorrect");r("CTAT--correct");a?u("CTAT--hint"):r("CTAT--hint")}};CTATCheckBox.prototype=Object.create(CTAT.Component.Base.Clickable.prototype);CTATCheckBox.prototype.constructor=CTATCheckBox;CTATCheckBox.escape=function(a){return a.replace(/[-[\]{}()*+?.,\\^$|#\s\/]/g,"\\$&")};CTAT.ComponentRegistry.addComponentType("CTATCheckBox",CTATCheckBox);var CTATComboBox=function(a,b,e,g,d){CTAT.Component.Base.Clickable.call(this,"CTATComboBox","__undefined__",a,b,e,g,d);var c=this,f=null;this.component=null;var h=CTATConfiguration.get("previewMode");this.setAction("UpdateComboBox");var m=",";a=function(a){m=a;f&&(f.innerHTML="",this.addLabels(l,m))}.bind(this);this.setStyleHandler("SplitCharacter",a);this.data_ctat_handlers["split-on"]=a;var l=null;this.setLabels=function(a){l=a;f&&(f.innerHTML="",this.addLabels(l,m))}.bind(this);this.setStyleHandler("Labels",
-this.setLabels);this.data_ctat_handlers.labels=this.setLabels;var q=null;a=function(a){a=parseInt(a);q=isNaN(a)?null:a;f&&f.setAttribute("size",q)};this.setStyleHandler("DropDownSize",a);this.data_ctat_handlers.size=a;this.setStyleHandler("DropDownWidth",null);this.setNumOptions=a;this.init=function(){c.setInitialized(!0);f=document.createElement("select");f.name=c.getName();f.setAttribute("id",CTATGlobalFunctions.gensym.div_id());f.setAttribute("onkeypress","return noenter(event)");f.onchange=this.processComboSelection;
-f.classList.add("CTAT-combobox");q&&!h&&f.setAttribute("size",q);if(!h){var a=this.getDivWrap().innerHTML;this.getDivWrap().innerHTML="";a.trim()&&(f.innerHTML=a)}l&&this.addLabels(l,m);!0===c.getEnabled()?f.disabled=!1:f.disabled=!0;c.addComponentReference(c,f);c.setComponent(f);c.getDivWrap().appendChild(f);this.component=f;f.addEventListener("focus",c.processFocus)};this.getConfigurationActions=function(){var a=[];if(l){var b=new CTATSAI;b.setSelection(this.getName());b.setInput(l);b.setAction("setLabels");
-a.push(b)}return a};this.getHTMLComponent=function(){return f};this.addLabels=function(a,b){for(var c=a.split(b?b:m),d=0;d<c.length;d++)this.addItem(c[d])};this.addBlank=function(a){for(var b=0;b<a;b++)this.addItem("")};this.addItem=function(a){c.ctatdebug("addItem ("+a+")");var b=document.createElement("option");b.setAttribute("value",a);b.textContent=a;f.appendChild(b)};this.setFontSize=function(a){isNaN(a)||($(this.getComponent()).css("font-size",a+"px"),this.getDivWrap().setAttribute("data-ctat-font-size",
-a))};this.valid_selection=function(){return 0<=f.selectedIndex&&!CTATGlobalFunctions.isBlank(f.value)};this.processComboSelection=function(){c.ctatdebug("processComboSelection ()");c.setInput(f.options[f.selectedIndex].value);c.valid_selection()?c.processAction():this.ctatdebug("Empty component, nothing to grade")};this.UpdateComboBox=function(a){f.value=a};this.updateSAI=function(){c.setInput(f.value)}};CTATComboBox.prototype=Object.create(CTAT.Component.Base.Clickable.prototype);
-CTATComboBox.prototype.constructor=CTATComboBox;CTAT.ComponentRegistry.addComponentType("CTATComboBox",CTATComboBox);var CTATDoneButton=function(a,b,e,g,d){CTAT.Component.Base.Clickable.call(this,"done","CTATDoneButton",a,b,e,g,d);this.setName("done");this.setClassName("CTATDoneButton");this.setText(CTATGlobals.languageManager.getString("DONE"));this.setStyleHandler("BackgroundColor",null);this.setStyleHandler("TextAlign",null);var c=this;this.init=function(){this.setInitialized(!0);var a=document.createElement("button");a.classList.add("unselectable");a.classList.add("CTAT-done-button");this.setComponent(a);var b=
-document.createElement("div");b.classList.add("CTAT-done-button--content");a.appendChild(b);var c=document.createElement("div");c.textContent="\u2714";c.classList.add("CTAT-done-button--icon");b.appendChild(c);this.getText()&&(c=document.createElement("div"),c.classList.add("CTAT-done-button--text"),c.textContent=this.getText(),b.appendChild(c));this.getDivWrap().appendChild(a);a.addEventListener("mouseenter",function(a){a.target.classList.add("CTAT-done-button--hover")});a.addEventListener("mouseleave",
-function(a){a.target.classList.remove("CTAT-done-button--hover");a.target.classList.remove("CTAT-done-button--clicked")});a.addEventListener("mousedown",function(a){a.target.classList.add("CTAT-done-button--clicked")});a.addEventListener("mouseup",function(a){a.target.classList.remove("CTAT-done-button--clicked")});a.addEventListener("click",function(a){a.target.classList.remove("CTAT-done-button--clicked")});a.addEventListener("click",this.processClick);a.addEventListener("focus",this.processFocus)};
-this.processClick=function(a){c.getEnabled()&&CTATCommShell.commShell&&CTATCommShell.commShell.processDone()}};CTATDoneButton.prototype=Object.create(CTAT.Component.Base.Clickable.prototype);CTATDoneButton.prototype.constructor=CTATDoneButton;CTAT.ComponentRegistry.addComponentType("CTATDoneButton",CTATDoneButton);var CTATDragNDrop=function(){CTAT.Component.Base.Tutorable.call(this,"CTATDragNDrop","aDnD");this.setParameterHandler("groupname",function(a){this.getDivWrap()&&$(this.getDivWrap()).attr("name",a)});this.set_child_limit=function(a){a=parseInt(a);isNaN(a)||$(this.component).attr("data-ctat-max-cardinality",a)};this.setParameterHandler("MaxObjects",this.set_child_limit);this.get_child_limit=function(){var a=parseInt($(this.component).attr("data-ctat-max-cardinality"));return isNaN(a)?-1:a};var a=function(a){return a.split("").reduce(function(a,
-b){a=(a<<5)-a+b.charCodeAt(0);return a&a},0)},b=function(b){var c=$(this).parent().attr("name"),d=$(this).parent().attr("id");b.dataTransfer.setData("ctat/group",c);b.dataTransfer.setData("ctat/source",d);b.dataTransfer.setData("text",this.id);var f=a(this.id);CTATDragNDrop.dragging[f]={id:this.id,group:c,source:d};b.dataTransfer.setData("ctat/id/"+f,f)},e=function(a){for(var b,c=0;c<a.dataTransfer.types.length;c++)if(b=/^ctat\/id\/(.+)$/.exec(a.dataTransfer.types[c]))b=b[1],CTATDragNDrop.dragging.hasOwnProperty(b)&&
-delete CTATDragNDrop.dragging[b]},g=null;this.init=function(){g=this.getDivWrap();if(!$(g).attr("name")){var a=CTATDragNDrop.default_groupname;this.getComponentGroup()&&(a=this.getComponentGroup());$(g).attr("name",a)}this.setComponent(g);CTATComponentReference.add(this,g);CTATConfiguration.get("previewMode")||$(g).children().addClass("CTATDragNDrop--item").attr({unselectable:"on",draggable:!0}).each(function(){this.id||(this.id=CTATGlobalFunctions.gensym.div_id());this.addEventListener("dragstart",
-b,!1);this.addEventListener("dragend",e,!1)});this.component.addEventListener("dragover",function(a){var b=!1;if($(this).data("CTATComponent").getEnabled()){var c=parseInt($(this).attr("data-ctat-max-cardinality"));if((isNaN(c)||0>c||$(this).children().length<c)&&(new Set(a.dataTransfer.types)).has("ctat/group"))if(a.dataTransfer.getData("text"))a.dataTransfer.getData("ctat/group")===$(this).attr("name")&&a.dataTransfer.getData("ctat/source")!==this.id&&(b=!0);else for(var d,c=0;c<a.dataTransfer.types.length;c++)if(d=
-/^ctat\/id\/(.+)$/.exec(a.dataTransfer.types[c]))d=d[1],CTATDragNDrop.dragging.hasOwnProperty(d)&&CTATDragNDrop.dragging[d].group===$(this).attr("name")&&CTATDragNDrop.dragging[d].source!==this.id&&(b=!0)}b&&(a.preventDefault(),a.dataTransfer.effectAllowed="move",a.dataTransfer.dropEffect="move",this.classList.add("CTATDragNDrop--valid-drop"))},!1);this.component.addEventListener("drop",function(a){a.preventDefault();this.classList.remove("CTATDragNDrop--valid-drop");var b=$(this).data("CTATComponent");
-if(b.getEnabled()){var c=a.dataTransfer.getData("text");a.dataTransfer.getData("ctat/source");a=document.getElementById(c);this.appendChild(a);$("#"+c).removeClass("CTAT--correct CTAT--incorrect CTAT--hint");b.setActionInput("Add",c);b.processAction()}},!1);this.component.addEventListener("dragleave",function(a){this.classList.remove("CTATDragNDrop--valid-drop")},!1);this.setInitialized(!0)};this.getConfigurationActions=function(){var a=[],b=[];$(this.component).children().each(function(){b.push($(this).attr("id"))});
-if(0<b.length){var c=new CTATSAI;c.setSelection(this.getName());c.setAction("SetChildren");c.setInput(b.sort().join(";"));a.push(c)}return a};var d=this.setEnabled;this.setEnabled=function(a){d(a);g&&($(g).children().attr("draggable",a),this.getDisableOnCorrect()&&$(g).find(".CTAT--correct").attr("draggable",!1))};this.Add=function(a){a=$("#"+a);0<a.length&&a.appendTo(this.getDivWrap());$(a).hasClass("CTATDragNDrop--item")||($(a).addClass("CTATDragNDrop--item").attr({unselectable:"on",draggable:!0}),
-a.addEventListener("dragstart",b,!1),a.addEventListener("dragend",e,!1))};this.SetChildren=function(a){a.split(";").forEach(function(a){this.Add(a)},this)};this.updateSAI=function(){var a=[];$(this.component).children().each(function(){a.push($(this).attr("id"))});this.setActionInput("SetChildren",a.sort().join(";"))};var c=this.showCorrect.bind(this);this.showCorrect=function(a){switch(a.getAction()){case "Add":this.setEnabled(!0);a=a.getInput();$("#"+a).addClass("CTAT--correct");this.getDisableOnCorrect()&&
-$("#"+a).attr("draggable",!1);break;default:c(a)}};var f=this.showInCorrect.bind(this);this.showInCorrect=function(a){switch(a.getAction()){case "Add":a=a.getInput();$("#"+a).addClass("CTAT--incorrect");break;default:f(a)}}};CTATDragNDrop.dragging={};CTATDragNDrop.default_groupname="DragNDropGroup";CTATDragNDrop.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);CTATDragNDrop.prototype.constructor=CTATDragNDrop;CTAT.ComponentRegistry.addComponentType("CTATDragNDrop",CTATDragNDrop);CTAT.Math={LeastCommonMultiple:function(a,b){return a*b/CTAT.Math.GreatestCommonDivisor(a,b)},GreatestCommonDivisor:function(a,b){if(0>a||0>b)return CTAT.Math.GreatestCommonDivisor(Math.abs(a),Math.abs(b));if(1===a||1===b)return 1;if(0===a)return b;if(0===b)return a;var e=function(a,b){return b?e(b,a%b):a};return e(a,b)},round10:function(a,b){if("undefined"===typeof b||0===Number(b))return Math.round(a);a=Number(a);b=Number(b);if(isNaN(a)||"number"!==typeof b||0!==b%1)return NaN;a=a.toString().split("e");
-a=Math.round(Number(a[0])+"e"+(a[1]?Number(a[1])-b:-b));a=a.toString().split("e");return Number(a[0]+"e"+(a[1]?Number(a[1])+b:b))},precision:4,round:function(a){return CTAT.Math.round10(a,-CTAT.Math.precision)},rad2deg:function(a){return CTAT.Math.round(180*a/Math.PI)},deg2rad:function(a){return a*Math.PI/180}};CTAT.Math.Fraction=function(a,b){this._numerator=0;this._denominator=1;this.set(a,b)};
-CTAT.Math.Fraction.prototype=Object.create(CTAT.Math.Fraction.prototype,{numerator:{get:function(){return this._numerator},set:function(a){this._numerator=a}},denominator:{get:function(){return this._denominator},set:function(a){this._denominator=a}},toString:{value:function(){return 1===this.denominator?String(this._numerator):String(this._numerator)+"/"+String(this._denominator)}},valueOf:{value:function(){return this.numerator/this.denominator}},fromString:{value:function(a){var b=a.match(/(\d*\.?\d*)\s*\/\s*(\d*\.?\d*)/);
-b?(this._numerator=Number(b[1]),this._denominator=Number(b[2])):this.fromValue(a)}},fromValue:{value:function(a){this._numerator=Number(a.valueOf());this._denominator=1}},toMathML:{value:function(){var a=document.createElementNS("http://www.w3.org/1998/Math/MathML","math"),b=document.createElementNS("http://www.w3.org/1998/Math/MathML","mn");b.textContent=this.numerator;if(1==this.denominator)a.appendChild(b);else{var e=document.createElementNS("http://www.w3.org/1998/Math/MathML","mfrac"),g=document.createElementNS("http://www.w3.org/1998/Math/MathML",
-"mrow");g.appendChild(b);e.appendChild(g);b=document.createElementNS("http://www.w3.org/1998/Math/MathML","mrow");g=document.createElementNS("http://www.w3.org/1998/Math/MathML","mn");g.textContent=this.denominator;b.appendChild(g);e.appendChild(b);a.appendChild(e)}return a}},is_proper:{get:function(){return Math.abs(this._numerator)<Math.abs(this._denominator)}},whole_part:{get:function(){return Math.floor(this.valueOf())}},remainder_part:{get:function(){return new CTAT.Math.Fraction(this._numerator%
-this._denominator,this._denominator)}},set_denominator:{value:function(a){this._numerator=this.numerator*a/this.denominator;1E-9>Math.abs(this.numerator-Math.round(this.numerator))&&(this.numerator=Math.round(this.numerator));this._denominator=a;return this}},scale:{value:function(a){this._numerator*=a;this._denominator=0===a?1:Math.abs(this._denominator*a)}},set:{value:function(a,b){this._numerator=0;this._denominator=1;"undefined"!==typeof a&&b?(this.numerator="number"===typeof a?a:"string"===typeof a?
-Number(a):a?a.valueOf():0,this.denominator="number"===typeof b?b:"string"===typeof b?Number(b):b.valueOf()):a&&(a instanceof CTAT.Math.Fraction?(this.numerator=a.numerator,this.denominator=a.denominator):"number"===typeof a?(this.numerator=a,this.denominator=1):"string"===typeof a?this.fromString(a):(this.numerator=a?a.valueOf():0,this.denominator=1));isNaN(this._numerator)&&(this._numerator=0);isNaN(this._denominator)&&(this._denominator=1);return this}},reduce:{value:function(){var a=CTAT.Math.GreatestCommonDivisor(this.numerator,
-this.denominator);this._numerator/=a;this._denominator/=a;return this}},reduced:{value:function(){var a=new CTAT.Math.Fraction(this);a.reduce();return a}},reciprocal:{value:function(){return new CTAT.Math.Fraction(this.denominator,this.numerator)}},negative:{value:function(){return new CTAT.Math.Fraction(-this.numerator,this.denominator)}},add:{value:function(a){var b=new CTAT.Math.Fraction;a instanceof CTAT.Math.Fraction?0===this.numerator||isNaN(this.numerator)?b.set(a.numerator,a.denominator):
-0===a.numerator||isNaN(a.numerator)?b.set(this.numerator,this.denominator):this.denominator==a.denominator?b.set(this.numerator+a.numerator,this.denominator):(b.set(this.numerator*a.denominator+a.numerator*this.denominator,this.denominator*a.denominator),b.reduce()):"string"===typeof a?(a=new CTAT.Math.Fraction(a),b=this.add(a)):b.set(a.valueOf()*this.denominator+this.numerator,this.denominator);return b}},subtract:{value:function(a){return a instanceof CTAT.Math.Fraction?this.add(a.negative()):"string"===
+message+="<Parameters><selection>";if("CTATRadioButton"==a.getClassName()||"CTATCheckBox"==a.getClassName())message+="<CTATComponentParameter>",message+="<name>group</name>",message+='<value fmt="text" name="Group Name" type="String" includein="sparse">'+a.getComponentGroup()+"</value>",message+="</CTATComponentParameter>";message+="</selection></Parameters>";message+="</"+a.getClassName()+">";message+="</serialized>";return message+="</properties></message>"};this.createSetPreferencesMessage=function(a,
+g){this.ctatdebug("createSetPreferencesMessage ()");var f=CTATConfiguration.getRawFlashVars(),d;d="<message><verb>NotePropertySet</verb><properties><MessageType>SetPreferences</MessageType>"+("<log_service_url>"+f.log_service_url+"</log_service_url>");var c=!1,b=!1,e=f.Logging;this.ctatdebug("Parsing and processing logMethod: "+e);switch(e){case "ServiceToLogServer":c=!0;break;case "ServiceToDisk":b=!0;break;case "ServiceToDiskAndLogServer":b=c=!0;break;case "ClientToLogServer":b=c=!1;break;case "ClientToService":b=
+c=!0}d=d+("<log_to_remote_server>"+c+"</log_to_remote_server><log_to_disk>"+b+"</log_to_disk>")+("<log_to_disk_directory>"+f.log_to_disk_directory+"</log_to_disk_directory>");d+="<logging>"+f.Logging+"</logging>";d+="<user_guid>"+f.user_guid+"</user_guid>";d+="<problem_name>"+f.problem_name+"</problem_name>";d+="<question_file><![CDATA["+f.question_file+"]]\x3e</question_file>";d+="<class_name>"+f.class_name+"</class_name>";d+="<school_name>"+f.school_name+"</school_name>";d+="<instructor_name>"+
+f.instructor_name+"</instructor_name>";d+="<session_id>"+f.session_id+"</session_id>";d+="<source_id>"+f.source_id+"</source_id>";d+="<sui><![CDATA["+f.sui+"]]\x3e</sui>";d+="<problem_state_status>"+f.problem_state_status+"</problem_state_status>";d+="<curriculum_service_url>"+f.curriculum_service_url+"</curriculum_service_url>";d+="<restore_problem_url>"+f.restore_problem_url+"</restore_problem_url>";d+="<tutoring_service_communication>"+f.tutoring_service_communication+"</tutoring_service_communication>";
+d+="<mode>"+f.mode+"</mode>";d+="<collaborators>"+f.collaborators+"</collaborators>";null!==CTATSkillSet.skills&&(d+=CTATSkillSet.skills.toSetPreferencesXMLString());d+="<CommShellVersion>"+a+"</CommShellVersion>";g&&(d+=g);return""+(d+"</properties></message>")};this.createTracerActionMessage=function(a,g){this.ctatdebug("createTracerActionMessage ()");var f;f="<message><verb>NotePropertySet</verb><properties><MessageType>TracerAction</MessageType>"+("<transaction_id>"+a+"</transaction_id>")+g.toXMLString(!1);
+return""+(f+"</properties></message>")};this.createInterfaceActionMessage=function(a,g){this.ctatdebug("createInterfaceActionMessage ()");var f;f="<message><verb>NotePropertySet</verb><properties><MessageType>InterfaceAction</MessageType>"+("<transaction_id>"+a+"</transaction_id>")+g.toXMLString(!1);return""+(f+"</properties></message>")};this.createUntutoredActionMessage=function(a,g){this.ctatdebug("createUntutoredActionMessage ("+a+")");var f;f="<message><verb>NotePropertySet</verb><properties><MessageType>UntutoredAction</MessageType>"+
+("<transaction_id>"+a+"</transaction_id>")+g.toXMLString(!1);return""+(f+"</properties></message>")};this.createProblemSummaryRequestMessage=function(){return"<message><verb>NotePropertySet</verb><properties><MessageType>ProblemSummaryRequest</MessageType></properties></message>"};this.createProblemRestoreEndMessage=function(){return"<message><verb>NotePropertySet</verb><properties><MessageType>ProblemRestoreEnd</MessageType></properties></message>"};this.createInterfaceConfigurationEnd=function(){return"<message><verb>NotePropertySet</verb><properties><MessageType>InterfaceConfigurationEnd</MessageType></properties></message>"};
+this.createInCorrectActionMessage=function(a,g){this.ctatdebug("createInCorrectActionMessage ()");var f;f="<message><verb>SendNoteProperty</verb><properties><MessageType>InCorrectAction</MessageType>"+("<transaction_id>"+a+"</transaction_id>")+g.toXMLString(!1);return""+(f+"</properties></message>")};this.createURLResponse=function(a,g){CTATGlobal.debug(classType,"createURLResponse ()");return"<message><verb>NotePropertySet</verb><properties><MessageType>GetURLResponse</MessageType><URL><![CDATA[ "+
+a+" ]]\x3e</URL><content><![CDATA[ "+btoa(g)+" ]]\x3e</content></properties></message>"};this.createCorrectActionMessage=function(a,g){this.ctatdebug("createCorrectActionMessage ()");var f;f="<message><verb>SendNoteProperty</verb><properties><MessageType>CorrectAction</MessageType>"+("<transaction_id>"+a+"</transaction_id>")+g.toXMLString(!1);return""+(f+"</properties></message>")}};CTATTutoringServiceMessageBuilder.prototype=Object.create(CTATBase.prototype);
+CTATTutoringServiceMessageBuilder.prototype.constructor=CTATTutoringServiceMessageBuilder;var CTATMessageHandler=function(a){function g(){var b=!1,a,e=[],f="";for(a=c.length-1;0<=a;--a)if("SendWidgetLock"==c[a].getMessageType())switch(e=c.splice(a,1),f=e[0].getProperty("WidgetLockFlag"),String(f).toLowerCase()){case "no":case "off":case "false":b=!1;break;default:b=!0}d.ctatdebug("checkForSendWidgetLock() found "+e.length+" msg, wlFlag "+f+", result"+b);return b}CTATBase.call(this,"CTATMessageHandler","messagehandler");var f=null,d=this,c=[],b=null,e=0,b=CTATConfig.parserType_is_XML()?
+new CTATXML:new CTATJSON;this.assignHandler=function(b){d.ctatdebug("assignHandler ()");f=b};this.reset=function(){d.ctatdebug("reset ()");c=[]};this.getInStartState=function(){return CTATMessageHandler.inStartState};var h=!1;this.receiveFromTutor=function(b){this.processMessage(b)};this.processMessage=function(a){d.ctatdebug("Incoming message: "+a);if(!0!==h)if(CTATConfig.parserType_is_JSON()&&-1!=a.indexOf("<?xml"))alert("Error: CTAT is configured to parse JSON but it received an XML message, disabling comm capabilities ..."),
+h=!0;else if(CTATConfig.parserType_is_XML()&&0===a.indexOf("{"))alert("Error: CTAT is configured to parse XML but it received a JSON message, disabling comm capabilities ..."),h=!0;else{var c;d.ctatdebug("Attempting parse ...");c=b.parse(a);null===c?d.ctatdebug("Error parsing message: "+a):this.parseElement(c,a)}};this.parseElement=function(a,c){var e=b.getElementName(a);d.ctatdebug("parseElement ("+e+")");"CTATResponseMessages"!=e&&"StartStateMessages"!=e&&"MessageBundle"!=e||this.processMessageBundle(a);
+"message"==e&&this.processSingleMessage(a,c)};this.processMessageBundle=function(a,c){var e=b.getElementName(a);d.ctatdebug("processMessageBundle ("+e+")");e=b.getElementChildren(a);if(null===e)d.ctatdebug("Error parsing bundle");else{ctatdebug("Processing "+e.length+" objects in bundle");for(var f=0;f<e.length;f++)this.parseElement(e[f])}};this.processSingleMessage=function(g,h){d.ctatdebug("processSingleMessage ("+b.getElementName(g)+")");a.sendToTools(h);h=new CTATMessage(g);var m=h.getProperty("subtype"),
+m=!m||/tutor/i.test(m)?"tutor":m;f.updateLastActionTimestamp&&f.updateLastActionTimestamp();var l=b.getElementChildren(g);d.ctatdebug("Generated CTATMessage, now doing regular processing ...");for(var v=0;v<l.length;v++){var q=l[v];if("properties"==b.getElementName(q)){d.ctatdebug("Parsing properties ...");for(var u=b.getElementChildren(q),w=0;w<u.length;w++){var B=u[w];if("MessageType"==b.getElementName(B)){B=b.getNodeTextValue(B);d.ctatdebug("MessageType: "+B);switch(B){case "StateGraph":ctatdebug("Setting inStartState to true");
+CTATMessageHandler.inStartState=!0;a.setGotProblemRestoreEnd(!1);this.processStateGraph(q);a.propagateShellEvent("StateGraph",h);break;case "StartProblem":d.ctatdebug("Setting inStartState to true");CTATMessageHandler.inStartState=!0;a.setGotProblemRestoreEnd(!1);this.processStartProblem(u);a.propagateShellEvent("StartProblem",h);break;case "InterfaceIdentification":this.processInterfaceIdentification(u);a.propagateShellEvent("InterfaceIdentification",h);break;case "InterfaceDescription":this.processInterfaceDescription(u);
+a.propagateShellEvent("InterfaceDescription",h);break;case "GetAllInterfaceDescriptions":a.sendInterfaceDescriptionMessages();a.propagateShellEvent("GetAllInterfaceDescriptions",h);break;case "SendWidgetLock":d.ctatdebug("Found: SendWidgetLock");!0===this.getInStartState()&&c.push(h);a.propagateShellEvent("SendWidgetLock",h);break;case "CorrectAction":d.ctatdebug("Found: CorrectAction");!0===this.getInStartState()?c.push(h):f.processCorrectAction(h);a.propagateShellEvent("CorrectAction",h);break;
+case "InCorrectAction":d.ctatdebug("Found: InCorrectAction");!0===CTATMessageHandler.inStartState?c.push(h):(d.ctatdebug("Handing incorrect message to messagehandler ..."),f.processInCorrectAction(h));a.propagateShellEvent("InCorrectAction",h);break;case "HighlightMsg":d.ctatdebug("Found: HighlightMsg");f.processHighlightMsg(h);a.propagateShellEvent("HighlightMsg",h);break;case "UnHighlightMsg":d.ctatdebug("Found: UnHighlightMsg");f.processUnHighlightMsg(h);a.propagateShellEvent("UnHighlightMsg",
+h);break;case "AssociatedRules":d.ctatdebug("Found: AssociatedRules ("+u.length+")");for(var y=B="",C="",A=0;A<u.length;A++){var r=u[A];switch(b.getElementName(r)){case "TutorAdvice":B=b.getNodeTextValue(r);break;case "Actor":m=b.getNodeTextValue(r);break;case "Indicator":y=b.getNodeTextValue(r);break;case "StepID":b.getNodeTextValue(r);break;case "LogAsResult":b.getNodeTextValue(r);break;case "tool_selection":case "StudentSelection":C=b.getNodeTextValue(r);break;case "Skills":d.ctatdebug("Processing skills ..."),
+null===CTATSkillSet.skills&&(d.ctatdebug("Interesting, there isn't a skillSet object yet. Creating ..."),CTATSkillSet.skills=new CTATSkillSet),CTATSkillSet.skills.parseByValue(r)}}f.processAssociatedRules(h,y,B,C);a.propagateShellEvent("AssociatedRules",h);break;case "BuggyMessage":d.ctatdebug("Found: BuggyMessage");f.processBuggyMessage(h);a.propagateShellEvent("BuggyMessage",h);break;case "SuccessMessage":d.ctatdebug("Found: SuccessMessage");f.processSuccessMessage(h);a.propagateShellEvent("SuccessMessage",
+h);break;case "InterfaceAction":d.ctatdebug("Found: InterfaceAction");B=h.getSAI();-1!=B.getAction().indexOf(":")?(d.ctatdebug("Processing and storing timed interface action : "+B.getAction()),y=parseInt(B.getAction().substring(B.getAction().indexOf(":")+1)),d.ctatdebug("Target time: "+y),B.setAction(B.getAction().substring(0,B.getAction().indexOf(":"))),d.ctatdebug("Timing ..."),setTimeout(f.processInterfaceAction,y,h),setTimeout(a.propagateShellEvent,y,"InterfaceAction",h,m)):(d.ctatdebug("Processing regular (non-timed) interface action"),
+!0===CTATMessageHandler.inStartState?(d.ctatdebug("inStartState==true => storing for later playback ..."),c.push(h)):(f.processInterfaceAction(h),a.propagateShellEvent("InterfaceAction",h,m)));break;case "UntutoredAction":d.ctatdebug("Found: UntutoredAction");B=h.getSAI();-1!=B.getAction().indexOf(":")?(d.ctatdebug("Processing and storing timed interface action : "+B.getAction()),y=parseInt(B.getAction().substring(B.getAction().indexOf(":")+1)),d.ctatdebug("Target time: "+y),B.setAction(B.getAction().substring(0,
+B.getAction().indexOf(":"))),d.ctatdebug("Timing ..."),setTimeout(f.processUntutoredAction,y,h),setTimeout(a.propagateShellEvent,y,"UntutoredAction",h,m)):(d.ctatdebug("Processing regular (non-timed) interface action"),!0===CTATMessageHandler.inStartState?(d.ctatdebug("inStartState==true => storing for later playback ..."),c.push(h)):(f.processUntutoredAction(h),a.propagateShellEvent("UntutoredAction",h,m)));break;case "InterfaceIdentification":d.ctatdebug("Found: InterfaceIdentification");a.propagateShellEvent("InterfaceIdentification",
+h);break;case "AuthorModeChange":d.ctatdebug("Found: AuthorModeChange");f.globalReset();a.propagateShellEvent("AuthorModeChange",h);break;case "ResetAction":d.ctatdebug("Found: ResetAction");f.globalReset();a.propagateShellEvent("ResetAction",h);break;case "ShowHintsMessage":d.ctatdebug("Found: ShowHintsMessage");B=!1;y=[];for(C=0;C<u.length;C++)if(A=u[C],"HintsMessage"==b.getElementName(A))for(A=b.getElementChildren(A),r=0;r<A.length;r++){var D=A[r];"value"==b.getElementName(D)&&(y.push(b.getNodeTextValue(D)),
+B=!0)}!0===B?f.processHintResponse(h,y):d.ctatdebug("Error: incomplete hint message received");a.propagateShellEvent("ShowHintsMessage",h);break;case "ConfirmDone":d.ctatdebug("Found: ConfirmDone");f.processConfirmDone(h);a.propagateShellEvent("ConfirmDone",h);break;case "VersionInfo":d.ctatdebug("Found: VersionInfo");f.processVersionInfo(u);a.propagateShellEvent("VersionInfo",h);break;case "TutoringServiceAlert":d.ctatdebug("Found: TutoringServiceAlert");f.processTutoringServiceAlert(u);a.propagateShellEvent("TutoringServiceAlert",
+h);break;case "TutoringServiceError":B=h.getProperty("Action");d.ctatdebug("Found: TutoringServiceError - actor "+m+", action "+B);var z;B&&(z=CTATSAI.delayedActionRegExp.exec(B))&&2<z.length&&1<z[2]?(y=parseInt(z[2]),h.setProperty("Action",z[1]),d.ctatdebug("Delaying TutoringServiceError by "+y+" ..."),setTimeout(f.processTutoringServiceError,y,h),setTimeout(a.propagateShellEvent,y,"TutoringServiceError",h,m)):(f.processTutoringServiceError(h),a.propagateShellEvent("TutoringServiceError",h,m));break;
+case "ProblemSummaryResponse":d.ctatdebug("Found: ProblemSummaryResponse");f.processProblemSummaryResponse(h);a.propagateShellEvent("ProblemSummaryResponse",h);break;case "StartStateEnd":d.ctatdebug("Found: StartStateEnd");CTATShellTools.listComponents();null!==f?f.processStartState():this.ctatdebug("Error: no message handler object available to process start state");try{d.processStartStateActions()}catch(F){d.ctatdebug("Caught in the act: "+F.message)}CTATMessageHandler.inStartState=!1;a.propagateShellEvent("StartStateEnd",
+h);break;case "ProblemRestoreEnd":d.ctatdebug("Found: ProblemRestoreEnd");f.processProblemRestoreEnd(h);a.propagateShellEvent("ProblemRestoreEnd",h);break;case "GetURL":d.ctatdebug("Found: GetURL");f.processGetURL(h);a.propagateShellEvent("GetURL",h);break;case "SetPreferences":f.forwardToTutor(h);return;case "InterfaceReboot":e++;ctatdebug("Found: InterfaceReboot #"+e+" -- href "+(location?location.href:"(no location)"));1<e&&!CTAT.ToolTutor.reboot("InterfaceReboot from CTATMessageHandler")&&(B=
+"ws://"+CTATConfiguration.get("remoteSocketURL")+":"+CTATConfiguration.get("remoteSocketPort"),ctatdebug("closing connection w/ url: "+B),a.closeWSConnection(B,function(){var b=window.frameElement.getAttribute("id");"function"==typeof CustomEvent&&(b=new CustomEvent("refreshIframe",{detail:b}),window.parent.document.dispatchEvent(b))},"interfaceReboot"));break;case "NoOp":m=h&&h.getTransactionID();l=h&&h.getSAI();ctatdebug("NoOp transactionID "+m+", SAI "+l);return}(B=/student[0-9]+/i.exec(m))&&B[0]==
+m&&f.forwardToTutor(h)}}}}};this.processStateGraph=function(a){d.ctatdebug("processStateGraph ()");if(void 0===a||null===a)d.ctatdebug("Error: state graph property list is undefined");else if(d.ctatdebug("Processing node: "+a.nodeName),null===b.getElementChildren(a))d.ctatdebug("Error: state graph property list is undefined");else{a=b.getElementChildren(a);for(var c=0;c<a.length;c++){var e=a[c];d.ctatdebug("State graph attribute: "+b.getElementName(e));"caseInsensitive"==b.getElementName(e)&&(caseInsensitive=
+"false"==b.getNodeTextValue(e)?!1:!0);"unordered"==b.getElementName(e)&&(unordered="false"==b.getNodeTextValue(e)?!1:!0);"lockWidget"==b.getElementName(e)&&(lockWidget="false"==b.getNodeTextValue(e)?!1:!0);"suppressStudentFeedback"==b.getElementName(e)&&("false"==b.getNodeTextValue(e)?CTATGlobals.suppressStudentFeedback=!1:CTATGlobals.suppressStudentFeedback=!0);"highlightRightSelection"==b.getElementName(e)&&(highlightRightSelection="false"==b.getNodeTextValue(e)?!1:!0);"confirmDone"==b.getElementName(e)&&
+(d.ctatdebug("Confirm done: "+b.getNodeTextValue(e)),"true"==b.getNodeTextValue(e)?CTATGlobals.confirmDone=!0:CTATGlobals.confirmDone=!1);"Skills"==b.getElementName(e)&&(null===CTATSkillSet.skills&&(CTATSkillSet.skills=new CTATSkillSet),CTATSkillSet.skills.parseByValue(e),f.updateSkillWindow())}}};this.processStartProblem=function(b){d.ctatdebug("processStartProblem ()");f.processStartProblem()};this.processInterfaceIdentification=function(b){};this.processInterfaceDescription=function(a){d.ctatdebug("processInterfaceDescription ("+
+a.length+")");for(var e="Unknown",c="Unknown",f=null,g=0;g<a.length;g++){var h=a[g];d.ctatdebug("Inspecting element: "+b.getElementName(h));"WidgetType"==b.getElementName(h)&&(d.ctatdebug("Widget type: "+b.getNodeTextValue(h)),e=b.getNodeTextValue(h));"CommName"==b.getElementName(h)&&(d.ctatdebug("Instance name: "+b.getNodeTextValue(h)),c=b.getNodeTextValue(h));if("serialized"==b.getElementName(h)){d.ctatdebug("Prepareing to de-serialize component ...");for(var l=b.getElementChildren(h),w=0;w<l.length;w++){var B=
+l[w];-1!=b.getElementName(B).indexOf("CTAT")&&(f=B)}}"interface"==b.getElementName(h)&&(d.ctatdebug("Storing interface for post start-state reconstruction ..."),CTATGlobals.interfaceElement=h);"script"==b.getElementName(h)&&(d.ctatdebug("Storing and loading main javascript code as defined by the BRD ..."),scriptElement=b.getNodeTextValue(h))}null!==f?this.deserializeComponent(e,c,f):d.ctatdebug("Error: unable to find CTAT serialization point of attachement");d.ctatdebug("processInterfaceDescription () done")};
+this.deserializeComponent=function(a,e,c){d.ctatdebug("deserializeComponent ("+a+","+e+")");if(!0===CTATGlobals.ignoreInterfaceDescriptions)d.ctatdebug("ignoreInterfaceDescriptions==true");else if(null===b.getElementAttr(c,"x"))d.ctatdebug("Warning: this component does not have x,y information. Probably an older component");else{var f=b.getElementAttr(c,"x"),g=b.getElementAttr(c,"y"),h=b.getElementAttr(c,"width"),m=b.getElementAttr(c,"height"),l=b.getElementAttr(c,"tabIndex"),n=b.getElementAttr(c,
+"zIndex");null===l&&(l=-1);null===n&&(n=0);var y=new CTATComponentDescription;y.type=a;y.name=e;y.x=Math.floor(f);y.y=Math.floor(g);y.tabIndex=l;y.zIndex=n;y.width=Math.floor(h);y.height=Math.floor(m);CTATShellTools.registerComponentDescription(y);c=b.getElementChildren(c);for(f=0;f<c.length;f++){g=c[f];b.getElementName(g);if("Parameters"==b.getElementName(g))for(this.ctatdebug("Processing component parameters ..."),h=b.getElementChildren(g)[0],h=b.getElementChildren(h),m=0;m<h.length;m++){var C=
+h[m];if("CTATComponentParameter"==b.getElementName(C)){this.ctatdebug("Processing parameter property (CTATComponentParameter) ...");for(var n=l=void 0,C=b.getElementChildren(C),A=0;A<C.length;A++){var r=C[A];"name"==b.getElementName(r)&&(this.ctatdebug("Found parameter name: "+b.getNodeTextValue(r)),l=b.getNodeTextValue(r));"value"==b.getElementName(r)&&(this.ctatdebug("Found parameter value: "+b.getNodeTextValue(r)),n=b.getNodeTextValue(r).trim())}this.ctatdebug("Parameter name: "+l+", value: "+
+n);void 0!==l&&(y.params[l]=n,"group"==l&&(y.groupName=n))}}if("Styles"==b.getElementName(g))for(this.ctatdebug("Processing component styles ..."),g=b.getElementChildren(g)[0],g=b.getElementChildren(g),h=0;h<g.length;h++)if(n=g[h],"CTATStyleProperty"==b.getElementName(n)){this.ctatdebug("Processing style property (CTATStyleProperty) ...");l=m="";n=b.getElementChildren(n);for(C=0;C<n.length;C++)A=n[C],"name"==b.getElementName(A)&&(m=b.getNodeTextValue(A)),"value"==b.getElementName(A)&&(l=b.getNodeTextValue(A).trim());
+this.ctatdebug("Style (name: "+m+", value: "+l+")");""!==m&&(y.styles[m]=l)}}d.ctatdebug("deserializeComponent ("+a+","+e+") done")}};this.processStartStateActions=function(){d.ctatdebug("processStartStateActions ("+c.length+")");if(0===c.length)d.ctatdebug("No start state messages, bump");else if(0<CTATMessageHandler.startStateHandlers.length)for(var b=0;b<CTATMessageHandler.startStateHandlers.length;b++)CTATMessageHandler.startStateHandlers[b].processStartStateActions(c);else{for(var b=g(),a=0;a<
+c.length;a++){var e=c[a];d.ctatdebug("Processing startstate message["+a+"] type: "+e.getMessageType());switch(e.getMessageType()){case "InterfaceAction":f.processInterfaceAction(e,b);break;case "UntutoredAction":f.processUntutoredAction(e,b);break;case "CorrectAction":f.processCorrectAction(e);break;case "InCorrectAction":f.processInCorrectAction(e)}}if(""!==CTATMessageHandler.scriptElement)try{eval(CTATMessageHandler.scriptElement)}catch(p){alert("Error executing script from BRD: "+p.message)}}};
+this.sleep=function(b){d.ctatdebug("sleep ("+b+")")}};CTATMessageHandler.prototype=Object.create(CTATBase.prototype);CTATMessageHandler.prototype.constructor=CTATMessageHandler;CTATMessageHandler.startStateHandlers=[];CTATMessageHandler.inStartState=!1;CTATMessageHandler.scriptElement="";var CTATSessionExpiry=function(a,g,f,d){function c(){var b=v&&v.getHTTPObject?v.getHTTPObject():null;h.ctatdebug("CTATSessionExpiry.processInactivityReply() refreshConnection "+v+", getHTTPObject "+b);v&&b&&h.ctatdebug("CTATSessionExpiry.processInactivityReply() readyState "+b.readyState+", status "+b.status+", responseText "+(4==b.readyState?b.responseText:null))}function b(){try{if(50>m)throw"No-op: time interval "+m+" too short: less than 50 ms";q=setInterval(function(){v.send.apply(v,[])},m);
+return"ok"}catch(w){return w.toString()}}function e(){try{if(50>n)throw"No-op: time interval "+n+" too short: less than 50 ms";u=setInterval(function(){h.checkInactivity.apply(h,[])},n);return"ok"}catch(w){return w.toString()}}CTATBase.call(this,"CTATSessionExpiry",g);var h=this,l=1E3*g,m=1E3*(g-60),n=6E4,p=Date.now(),v=null,q=0,u=0;this.checkInactivity=function(){var b=Date.now(),a=p;h.ctatdebug("CTATSessionExpiry.checkInactivity() elapsed "+(b-a)+", limit "+l+",\n                 now "+Date(b)+
+",\n lastActionTimestamp "+h.getLastActionTimestamp());if(!(b<a+l))try{h.cancelTimers();var e=new CTATConnection(CTATConfiguration.getRawFlashVars());e.setMethod("GET");e.setURL(f);e.assignReceiveFunction(c);e.send();return"ok"}catch(C){return C.toString()}};this.updateLastActionTimestamp=function(){p=Date.now()};this.getLastActionTimestamp=function(){return new Date(p)};this.toString=function(){return"CTATSessionExpiry sessionTimeoutMS "+l+", refreshIntervalMS "+m+", refreshTimer "+q+", inactivityTimer "+
+u+",\n  expireLogoutURL "+f+",\n  refreshSessionURL "+d};this.getRefreshConnection=function(){return v};this.getSessionTimeoutMS=function(){return l};this.getRefreshIntervalMS=function(){return m};this.getInactivityIntervalMS=function(){return n};this.setSessionTimeoutMS=function(b){l=b};this.setRefreshIntervalMS=function(a){m=a;h.cancelRefreshTimer();b()};this.setInactivityIntervalMS=function(b){n=b;h.cancelInactivityTimer();e()};this.cancelRefreshTimer=function(){0!==q&&clearInterval(q);q=0};this.cancelInactivityTimer=
+function(){0!==u&&clearInterval(u);u=0};this.cancelTimers=function(){h.cancelRefreshTimer();h.cancelInactivityTimer()};this.getRefreshTimer=function(){return q};this.getInactivityTimer=function(){return u};v=new CTATConnection(a);v.setMethod("GET");v.setURL(d);v.assignReceiveFunction(function(){var b=v&&v.getHTTPObject?v.getHTTPObject():null;h.ctatdebug("CTATSessionExpiry.processRefreshReply() refreshConnection "+v+", getHTTPObject "+b);v&&b&&h.ctatdebug("CTATSessionExpiry.processRefreshReply() readyState "+
+b.readyState+", status "+b.status+", responseText "+(4==b.readyState?b.responseText:null))});b();e()};CTATSessionExpiry.prototype=Object.create(CTATBase.prototype);CTATSessionExpiry.prototype.constructor=CTATSessionExpiry;
+CTATSessionExpiry.factory=function(a){var g=Number(a.session_timeout)||0,f=a.expire_logout_url,d=a.refresh_session_url;ctatdebug("CTATSessionExpiry.init() session_timeout "+g+", expire_logout_url "+f+", refresh_session_url "+d);return 60>=g||!f||!d?null:new CTATSessionExpiry(a,g,f,d)};"undefined"!==typeof module&&(module.exports=CTATSessionExpiry);var CTATTransactionListener=function(a){function g(b){return b&&"function"==typeof b.getTransactionID?b.getTransactionID():null}function f(b){h.ctatdebug("formatTimeStamp ("+b+")");return sprintf("%04d-%02d-%02d %02d:%02d:%02d.%03d UTC",b.getUTCFullYear(),b.getUTCMonth()+1,b.getUTCDate(),b.getUTCHours(),b.getUTCMinutes(),b.getUTCSeconds(),b.getUTCMilliseconds())}function d(b,a){for(var e,c,d=1;;++d){var f=a+"_type"+d,g=a+"_name"+d;e=CTATConfiguration.get(f);c=CTATConfiguration.get(g);if(!e||!c)break;
+b[f]=e;b[g]=c}1==d&&(e=CTATConfiguration.get(a+"_type"),c=CTATConfiguration.get(a+"_name"),b[f]=e?e:"",b[g]=c?c:"");return b}function c(b,a){if(b&&"function"==typeof b.toLowerCase&&0<=b.toLowerCase().indexOf("hint"))return!0;if(!a)return!1;if(0<=a.getMessageType().toLowerCase().indexOf("hint"))return!0;var e=a.getSelection().toLowerCase();return 0<=a.getAction().toLowerCase().indexOf("buttonpress")&&(0<=e.indexOf("hint")||0<=e.indexOf("help"))}function b(b,a){var e=b.getProperty(a),c=e?e.split(CTATTransactionListener.valueDelimiter):
+[];h.ctatdebug("CTATTransactionListener.getPropertyAsArray("+a+") withValues "+e+", result "+c);return c}function e(a,e){for(var c=b(a,e),d="",f=0;f<c.length;++f)d+=c[f];h.ctatdebug("CTATTransactionListener.getProperty("+e+") valueElts "+c+", result "+d);return d}CTATBase.call(this,"CTATTransactionListener","");var h=this,l=null,m={},n=0,p=CTATConfig.parserType_is_XML()?new CTATXML:new CTATJSON;this.getMailer=function(){return l};this.onmessage=function(b){h.ctatdebug("CTATTransactionListener.onmessage("+
+b.toString()+")");(b=b.data&&3<=b.data.length?new CTATSAI(b.data[0],b.data[1],b.data[2]):null)&&CTATCommShell.shell.processComponentAction(b,!1,!0,null,"ATTEMPT","Detector")};if(!l)a:{if("undefined"!=typeof TransactionMailerUsers&&"function"==typeof TransactionMailerUsers.create)try{l=l=TransactionMailerUsers.create("Assets",a,CTATConfiguration.get("process_detectors_url"),CTATConfiguration.get("authenticity_token"),CTATConfiguration.get("detectors"),CTATConfiguration.get("x_api_key_header"));break a}catch(v){console.trace("Error creating transaction mailer: "+
+v);l=l=null;break a}l=void 0}this.isReady=function(){return null!=h.mailerProxy};this.toString=function(){return"transactions sent to ["+h.process_transactions_url+":]"};this.processCommShellEvent=function(a,q,u){console.trace("CTATTransactionListener.processCommShellEvent("+a+", "+q+", "+u+")");try{var w=null;switch(a){case "InterfaceAction":case "AssociatedRules":case "UntutoredAction":case "NextPressed":case "PreviousPressed":var v=q;q&&q.constructor!=CTATMessage&&(v=q.constructor!=Element?p.parse(v):
+v,v=new CTATMessage(v));var y=v;h.ctatdebug("CTATTransactionListener.makeOrCompleteTransaction("+a+") pointer "+h+", problemInfo null, pointer.problemInfo "+(h?h.problemInfo:null));var C=v=null,A=!1;if(C=g(y)){var r,D;b:switch(a){case "UntutoredAction":D=!1;break b;case "InterfaceAction":D="tutor-performed"!=e(y,"subtype").toLowerCase();break b;default:D=!0}if(r=!(A=!D)){var z;D=C;var F=m[D];F?(delete m[D],--n,h.ctatdebug("CTATTransactionListener.removeIncompleteTransaction("+D+") count now "+n),
+z=F):z=null;r=(v=z)&&(A=!0)}r||(v={meta:h.problemInfo.meta,context:h.problemInfo.context});switch(a){case "AssociatedRules":case "NextPressed":case "PreviousPressed":u=v;u.tutor_data&&console.log("Warning: CTATTransactionListener.addTutorInfo("+a+") tx has tutor_data with time "+u.tutor_data.tutor_event_time);u.tutor_data={};u.tutor_data.tutor_event_time=f(new Date);u.tutor_data.selection=e(y,"Selection");u.tutor_data.action=e(y,"Action");u.tutor_data.input=e(y,"Input");u.tutor_data.action_evaluation=
+y.getIndicator();0<=u.tutor_data.action_evaluation.toLowerCase().indexOf("hint")&&(u.tutor_data.current_hint_number=e(y,"CurrentHintNumber"),u.tutor_data.total_hints_available=e(y,"TotalHintsAvailable"));u.tutor_data.tutor_advice=e(y,"TutorAdvice");var H=u.tutor_data;r=[];var J=CTAT.ToolTutor.tutor&&CTAT.ToolTutor.tutor.getProblemSummary()?CTAT.ToolTutor.tutor.getProblemSummary().getSkills():null,x=y.getSkillsObject().getSkillSet();for(z=0;z<x.length;++z){var G=x[z],I=CTATSkillSet.skills?CTATSkillSet.skills.getSkill(G.getSkillName()):
+null;if(I){F={};F.name=I.getSkillName();F.category=I.getCategory();var R=null==F.category||""==F.category.trim()?F.name:F.name+" "+F.category,O=J?J.getSkill(R):null,L;O?(F.pKnown=isNaN(L=O.getPKnown())?"":L,F.pGuess=isNaN(L=O.getPGuess())?"":L,F.pSlip=isNaN(L=O.getPSlip())?"":L,F.pLearn=isNaN(L=O.getPLearn())?"":L,F.history=isNaN(L=O.getHistory())?"":L,F.opportunityCount=isNaN(L=O.getOpportunityCount())?"":L):(F.pKnown=isNaN(L=I.getPKnown())?"":L,F.pGuess=isNaN(L=I.getPGuess())?"":L,F.pSlip=isNaN(L=
+I.getPSlip())?"":L,F.pLearn=isNaN(L=I.getPLearn())?"":L);h.ctatdebug("CTATTransactionListener.createSkills() ssSk "+I+", tracerSk "+O+", skElt "+F);r.push(F)}}H.skills=r;u.tutor_data.step_id=e(y,"StepID");u.tutor_data.rule_names=b(y,"Rules");var E=u.tutor_data,M=y.getCustomFields();h.ctatdebug("CTATTransactionListener.createCustomFields() result "+M);E.custom_fields=M;break;default:v.meta.date_time=f(new Date);H=v;if(!(H.transaction_id=g(y)))throw Error("Message has no transaction_id: eventType "+
+a+", msg\n  "+y);H.semantic_event="UntutoredAction"==a?"UNTUTORED-ACTION":c(a,y)?"HINT-REQUEST-HINTS":"ATTEMPT-RESULT";H.actor=u?u:"student";H.tool_data&&console.log("Warning: CTATTransactionListener.addToolInfo("+a+") tx has tool_data with time "+H.tool_data.tool_event_time);H.tool_data={};H.tool_data.tool_event_time=f(new Date);H.tool_data.selection=e(y,"Selection");H.tool_data.action=e(y,"Action");H.tool_data.input=e(y,"Input")}var V;if(A)V=v;else{var H=C,J=v,P=m[H];P&&(console.log("Warning: CTATTransactionListener.storeIncompleteTransaction() found tx with ID "+
+H,P),--n);m[H]=J;++n;h.ctatdebug("CTATTransactionListener.storeIncompleteTransaction("+H+") count now "+n);V=null}w=V}else w=null;break;case "StartProblem":h.ctatdebug("CTATTransactionListener.createContextMessage()");V={};var S=new Date;h.ctatdebug("TX.makeMetaElement ()");P={};P.date_time=f(S);P.session_id=CTATConfiguration.get("session_id");P.user_guid=CTATConfiguration.get("user_guid");V.meta=P;V.context={};A=V.context;P=null;CTATLogMessageBuilder&&CTATLogMessageBuilder.commLogMessageBuilder&&
+(P=CTATLogMessageBuilder.commLogMessageBuilder.getContextName());P||(P=CTATLogMessageBuilder.contextGUID);if(!P)throw Error("Context message ID not yet defined");A.context_message_id=P;var Q=V.context,U;U=CTATConfiguration.get("class_name");Q.class_name=U?U:"";U=CTATConfiguration.get("school_name");Q.class_school=U?U:"";U=CTATConfiguration.get("period_name");Q.class_period_name=U?U:"";U=CTATConfiguration.get("class_description");Q.class_description=U?U:"";U=CTATConfiguration.get("instructor_name");
+Q.class_instructor_name=U?U:"";var T=V.context,W=CTATConfiguration.get("dataset_name");T.dataset_name=W?W:"";d(T,"dataset_level");prop=CTATConfiguration.get("problem_name");T.problem_name=prop?prop:"";prop=CTATConfiguration.get("problem_context");T.problem_context=prop?prop:"";prop=CTATConfiguration.get("problem_tutorflag");T.problem_tutorFlag=prop?prop:"";d(T,"study_condition");v=V.context;P=0;if(y=CTATConfiguration.getCustomFields())for(C in v.custom_fields={},y)y.hasOwnProperty(C)&&(v.custom_fields[C]=
+y[C],++P);h.ctatdebug("CTATTransactionListener.createCustomFields() nAdded "+P+", cfs "+y);h.problemInfo=V;break;case "ProblemRestoreEnd":h.initializing=!1}w&&!h.initializing&&l.sendTransaction(w)}catch(Z){console.log("Error in CTATTransactionListener.processCommShellEvent("+a+"): "+Z,Z.stack)}};ctatdebug("**<end of CTATTransactionListener constructor, process_transactions_url "+a+", mailerProxy "+l)};
+Object.defineProperty(CTATTransactionListener,"scriptParam",{enumerable:!1,configurable:!1,writable:!1,value:"process_transactions_url"});Object.defineProperty(CTATTransactionListener,"valueDelimiter",{enumerable:!1,configurable:!1,writable:!1,value:/<\/?value>/});CTATTransactionListener.prototype=Object.create(CTATBase.prototype);CTATTransactionListener.prototype.constructor=CTATTransactionListener;"undefined"!==typeof module&&(module.exports=CTATTransactionListener);
+CTATTransactionListener.create=function(a){var g=null;if(!a&&("undefined"==typeof TransactionMailerUsers||"function"!=typeof TransactionMailerUsers.create))return null;try{if(g=new CTATTransactionListener(a),!g.getMailer())throw Error("Transaction listener postMessage() not defined.");}catch(f){console.trace("Error creating or connecting to transaction listener",f),g=null}return g};var CTATNameTranslator=function(){CTATBase.call(this,"CTATNameTranslator","translator");var a=!1,g=this;this.setPassthrough=function(f){a=CTATGlobalFunctions.toBoolean(f)};this.getPassthrough=function(){return a};this.manufactorJSON=function(a,d){g.ctatdebug("manufactorJSON ("+a+","+d+")");var c=a.split(":");if(1==c.length)return g.ctatdebug("No range in aRange, returning basic JSON ..."),"";var b=this.getA1Row(c[0]),e=this.getA1Col(c[0]),f=this.getA1Row(c[1]),l=this.getA1Col(c[1]);g.ctatdebug("Manufacturing json from: ["+
+b+","+e+"] to: ["+f+","+l+"]");c="[";b=parseInt(f)-parseInt(b);e=parseInt(l)-parseInt(e);b++;e++;g.ctatdebug("X range: "+b+", Y range: "+e);for(f=0;f<b;f++){0<f&&(c+=",");c+="[";for(l=0;l<e;l++)0<l&&(c+=","),c+='"',c+=d,c+='"';c+="]"}return c+"]"};this.translateFromCTAT=function(f,d){if(!0===a)return f;var c=f.toLowerCase();g.ctatdebug("translateFromCTAT ("+c+")");var b;if(-1!=c.indexOf(".r")){var e=c.split(".");b=e[1].split("r");0>=b.length&&(b=e[1].split("c"));0>=b.length?g.ctatdebug("Info: incoming name does not need translation"):
+(c=b[1],b=b[0].substr(1),g.ctatdebug("Original row (1st format): "+b+" original col: "+c),c=!0===d?colName(c,!1)+b:e[0]+"."+colName(c,!1)+b,g.ctatdebug("Translated: "+c))}else{if(0===c.indexOf("r")){var e=c.indexOf("c"),h=parseInt(c.substr(1,e-1)),l=parseInt(c.substr(e+1));b=h+1;c=l;g.ctatdebug("Original row (2nd format) (columnindex: "+e+"): "+h+" -> "+b+", original col: "+l+" -> "+c);c=colName(c,!1)+b;g.ctatdebug("Translated: "+c);return c}g.ctatdebug("Info: incoming name does not need translation")}return c};
+this.translateToCTAT=function(f){if(!0===a)return f;var d=this.letterToColumn(f.substr(0,1))-1;return"R"+(parseInt(f.substr(1))-1)+"C"+d};this.columnToLetter=function(a){for(var d,c="";0<a;)d=(a-1)%26,c=String.fromCharCode(d+65)+c,a=(a-d-1)/26;return c};this.letterToColumn=function(a){for(var d=0,c=a.length,b=0;b<c;b++)d+=(a.charCodeAt(b)-64)*Math.pow(26,c-b-1);return d};this.getA1Row=function(a){return parseInt(a.substr(1))-1};this.getA1Col=function(a){return this.letterToColumn(a.substr(0,1))-1}};
+CTATNameTranslator.prototype=Object.create(CTATBase.prototype);CTATNameTranslator.prototype.constructor=CTATNameTranslator;var CTATCommShell=function(){CTATBase.call(this,"CTATCommShell","theShell");var a=null,g=null,f=null,d=null,c=null,b=this,e=null,h=null,l={},m=null,n=null,p=null,v=null,q=[],u=!1,h="xml"==CTATConfig.parserType?new CTATXML:new CTATJSON;this.init=function(e){this.ctatdebug("init ()");var h=CTATConfiguration.getRawFlashVars(),m="http://";"https"==h.tutoring_service_communication&&(m="https://");var l=h.remoteSocketURL;l&&(l=String(l).toLowerCase(),0==l.indexOf("http")||0==l.indexOf("ws"))&&(m="");c=
+e;CTATLogMessageBuilder.contextGUID=CTATGuid.guid();b.ctatdebug("processSkills ()");CTATSkillSet.skills=new CTATSkillSet;e=flashVars.getRawFlashVars();null!=e.skills&&CTATSkillSet.skills.fromXMLString(e.skills,!0);b.updateSkillWindow(null);null==commMessageHandler&&(commMessageHandler=new CTATMessageHandler(this),CTAT.ToolTutor.registerInterface(commMessageHandler));commMessageHandler.assignHandler(this);d=new CTATTutoringServiceMessageBuilder;h.deliverymode&&"review"==h.deliverymode&&(h.Logging=
+"None");g=CTATSessionExpiry.factory(h);CTATLogMessageBuilder.commLogMessageBuilder=new CTATLogMessageBuilder;a=new CTATCommLibrary;a.setConnectionRefusedMessage("ERROR_CONN_TS");a.setSocketType(h.tutoring_service_communication+(h.collaborators||CTATLMS.is.ToolsListener()?" websocket":""));a.assignHandler(this);f=new CTATCurriculumService(a);null==commLoggingLibrary&&(commLoggingLibrary=new CTATLoggingLibrary(!0));commLoggingLibrary.getLoggingCommLibrary().setFixedURL(flashVars.getRawFlashVars().log_service_url);
+flashVars.setTimeZone(null);new CTATHTMLManager;this.ctatdebug("CTATCommShell.init() FlashVar info: "+h.info);if(null!=h.info)try{parent.javaScriptInfo&&parent.javaScriptInfo(decodeURIComponent(h.info))}catch(A){}else this.ctatdebug("There is no info flash var");console.log("Connecting to: "+m+h.remoteSocketURL+":"+h.remoteSocketPort);e=d.createSetPreferencesMessage(version,this.getAllInterfaceDescriptions());a.sendXMLURL(e,m+h.remoteSocketURL+":"+h.remoteSocketPort,CTATConfiguration.get("collaborators"));
+(m=CTATConfiguration.get("collaborators"))&&1<m.length&&(CTATScrim.scrim.scrimDown(),CTATScrim.scrim.scrimUp(CTATGlobals.languageManager.getString("AWAITING_OTHER_COLLABORATORS")));b.addGlobalEventListener(CTATTransactionListener.create(h[CTATTransactionListener.scriptParam]))};this.getCommLibrary=function(){return a};this.forwardToTutor=function(b){a&&a.hasJavaScriptConnection()&&CTAT.ToolTutor.sendToTutor(b.getXMLString())};this.getLoggingLibrary=function(){return commLoggingLibrary};this.propagateShellEvent=
+function(b,a,e){ctatdebug("propagateShellEvent ("+b+", "+typeof a+")");for(var c=0;c<q.length;c++)q[c].processCommShellEvent(b,a,e)};this.reset=function(){b.ctatdebug("reset ()");CTATGlobals.interfaceElement=null;commMessageHandler.reset()};this.getSessionExpiry=function(){return g};this.getMessageHandler=function(){return this.commMessageHandler};this.addStartStateHandler=function(a){b.ctatdebug("addStartStateHandler ()");null==CTATMessageHandler.startStateHandlers&&(CTATMessageHandler.startStateHandlers=
+[]);CTATMessageHandler.startStateHandlers.push(a)};this.gradeComponent=function(a){this.ctatdebug("gradeComponent ("+a.getName()+","+a.getClassName()+")");var e=CTATShellTools.findComponentByClass("CTATDoneButton");null!=e&&e!=a?e.moveHintHighlight(!1,null):b.ctatdebug("Info: no done button available to reset");b.clearFeedbackComponents();null!=nameTranslator?nameTranslator.translateFromCTAT(a.getName()):this.ctatdebug("Info: no name translator provided, using as-is");null==a?this.ctatdebug("Internal error, provided component is null"):
+(this.ctatdebug("Info: we have a valid component, grading ..."),"Do not tutor"==a.getTutorComponent()?b.processComponentAction(a.getSAI(),!1):(this.ctatdebug("Checking for back grading: "+a.getName()),"CTATTextArea"==a.getClassName()||"CTATTextInput"==a.getClassName()||"CTATTextField"==a.getClassName()?(this.ctatdebug("Backgrading ..."),this.ctatdebug("Grading "+a.getClassName()+" with value: "+a.getValue()),!0===CTATGlobalFunctions.isBlank(a.getValue())?this.ctatdebug("Empty component, nothing to grade"):
+(a.updateSAI(),a=a.getSAI(),b.processComponentAction(a))):(a="CTATTableGoogle"==a.getClassName()?new CTATSAI(a.getCurrentSelection(),"UpdateTextArea",a.getCurrentValue()):a.getSAI(),b.processComponentAction(a))))};this.processMessage=function(b){this.ctatdebug("processMessage ()");commMessageHandler.processMessage(b);this.ctatdebug("processMessage () done")};this.processStartProblem=function(){this.ctatdebug("processStartProblem ()");"google"==CTATConfig.external&&this.showFeedback("The tutor is starting, please wait ...");
+CTATLMS.initLMSConnection&&CTATLMS.initLMSConnection()};this.processStartState=function(){this.ctatdebug("processStartState ()");CTATMessageHandler.inStartState=!0;null!=c?(this.ctatdebug("Calling tutor.createInterface () ..."),c.createInterface()):(this.ctatdebug("Error: no tutor object available, calling createInterface globally ..."),window.hasOwnProperty("createInterface")&&window.createInterface());this.ctatdebug("Logging start of problem ...");null!=commLoggingLibrary?commLoggingLibrary.startProblem():
+this.ctatdebug("Info: no logging library available!");b.propagateShellEvent("StartProblem",null);this.ctatdebug("End of start state, inspecting suppressStudentFeedback ...");if(!0===CTATGlobals.suppressStudentFeedback){this.ctatdebug("Hiding hint button ...");var a=CTATShellTools.findComponentByClass("CTATHintButton");null!=a&&a.SetVisible(!1)}"google"==CTATConfig.external?(b.ctatdebug("Calling google app script hint request driver ..."),addCall(new RPCObject("resetOnEditQueue","dummy","dummy"))):
+this.ctatdebug("processStartState () done")};this.sendStartProblemMessage=function(){b.ctatdebug("sendStartProblemMessage()")};this.sendProblemSummaryRequest=function(e){b.ctatdebug("sendProblemSummaryRequest()");p=e;e=(new CTATTutoringServiceMessageBuilder).createProblemSummaryRequestMessage();a.sendXML(e,!1)};this.getAllInterfaceDescriptions=function(){b.ctatdebug("getAllInterfaceDescriptions ()");for(var a="<messages>",e=new CTATTutoringServiceMessageBuilder,c=CTATShellTools.getAllComponents(),
+d=0;d<c.length;d++){var f=c[d];b.ctatdebug("Getting component interface description message for: "+f.getName());a+=e.createInterfaceDescriptionMessage(f);f.getConfigurationActions&&f.getConfigurationActions().forEach(function(b){a+=e.createInterfaceActionMessage(CTATGuid.guid(),b)})}return a+="</messages>"};this.sendInterfaceDescriptionMessages=function(){b.ctatdebug("sendInterfaceDescriptionMessages ()");var e;e='<?xml version="1.0" encoding="UTF-8"?><message><verb>NotePropertySet</verb><properties><MessageType>MessageBundle</MessageType>'+
+b.getAllInterfaceDescriptions();e+="</properties></message>";b.ctatdebug("Final bundle: "+e);a.sendXMLNoBundle(e)};this.processSerialization=function(){b.ctatdebug("processSerialization()");b.setText(this.label)};this.processComponentAction=function(e,c,d,f,g,h){b.ctatdebug("processComponentAction("+e.getName()+" -> "+e.getSelection()+","+e.getAction()+","+e.getInput()+")");this.showFeedback("");d=CTATGuid.guid();null!=commLoggingLibrary?u&&(b.ctatdebug("We're not in the start state, logging the action ..."),
+"scrim"==e.getSelection()?ctatdebug("Not logging any scrim actions (for now)"):void 0!=g?commLoggingLibrary.logSemanticEvent(d,e,g,"","","",h):"hint"==e.getSelection()||"null.nextButton"==e.getSelection()||"null.previousButton"==e.getSelection()?commLoggingLibrary.logSemanticEvent(d,e,"HINT_REQUEST","","","",h):commLoggingLibrary.logSemanticEvent(d,e,"ATTEMPT","","","",h)):this.ctatdebug("Info: no logging library available!");g=new CTATTutoringServiceMessageBuilder;!1!==c&&c!==CTAT.Component.Base.Tutorable.Options.TutorComponent.DO_NOT_TUTOR?
+(e=g.createInterfaceActionMessage(d,e),b.propagateShellEvent("InterfaceAction",e)):(e=g.createUntutoredActionMessage(d,e),b.propagateShellEvent("UntutoredAction",e));a.sendXML(e);CTAT.SAI&&"function"==typeof CTAT.SAI.storeForReplay&&CTAT.SAI.storeForReplay(e)};this.onEditSuccess=function(a){b.ctatdebug("onEditSuccess ("+a+")");null==nameTranslator?b.ctatdebug("Error: CTAT name translator not available"):-1!=a.indexOf(":")?(b.ctatdebug("Bump"),b.showFeedback("You're asking for a hint for multiple cells, please select only a single cell.")):
+(a=nameTranslator.translateToCTAT(a),b.ctatdebug("Info A1 notiation mapped to (if needed): "+a),a=new CTATSAI("hint","ButtonPressed",a),b.processComponentAction(a),b.propagateShellEvent("REQUESTHINT",null),b.ctatdebug("onEditSuccess () done"))};this.onFailure=function(a){b.ctatdebug("onFailure ("+a.message+")")};this.onNOPEditSuccess=function(a){b.ctatdebug("onNOPEditSuccess ("+a+")")};this.onNOPFailure=function(a){b.ctatdebug("onNOPFailure ("+a.message+")")};this.requestHint=function(){b.ctatdebug("requestHint(external -> "+
+CTATConfig.external+")");var a;if("none"==CTATConfig.external)b.ctatdebug("Calling built-in hint request driver ..."),CTATGlobals.Tab.previousFocus?(a=new CTATSAI("hint","ButtonPressed","hint request"),CTATGlobals.Tab.previousFocus.getSAI?(a.addSelection(CTATGlobals.Tab.previousFocus.getSAI().getSelection()),a.addAction("PreviousFocus")):b.ctatdebug("Current focus is not a CTAT component, can't ask for a hint yet")):(b.ctatdebug("CTATGlobals.Tab.previousFocus===null"),a=new CTATSAI("hint","ButtonPressed",
+"hint request")),this.processComponentAction(a),this.propagateShellEvent("RequestHint",null);else if(b.clearFeedbackComponents(),"google"==CTATConfig.external){b.ctatdebug("Calling google app script hint request driver ...");try{google.script.run.withSuccessHandler(b.onEditSuccess).withFailureHandler(b.onFailure).getSheetSelectedRange()}catch(B){b.ctatdebug("google.script.run: "+B.message)}}else b.ctatdebug("'external' has configuration that doesn't match anything: "+CTATConfig.external)};this.processDone=
+function(a){b.ctatdebug("processDone()");!0===CTATGlobals.confirmDone?CTATScrim.scrim.confirmScrimUp(CTATGlobals.languageManager.getString("SURE_YOU_ARE_DONE"),this.processDoneContinue,this.processDoneCancel):(a=new CTATSAI("done","ButtonPressed",a&&"string"==typeof a?a:"-1"),b.processComponentAction(a))};this.processDoneContinue=function(a){b.ctatdebug("processDoneContinue()");CTATScrim.scrim.scrimDown();a=new CTATSAI("done","ButtonPressed",a&&"string"==typeof a?a:"-1");b.processComponentAction(a);
+b.propagateShellEvent("DonePressed",null)};this.processDoneCancel=function(a){b.ctatdebug("processDoneCancel()");CTATScrim.scrim.scrimDown();a=CTATGuid.guid();var e=new CTATSAI("ConfirmDone","ButtonPressed","no");commLoggingLibrary.logSemanticEvent(a,e,"ATTEMPT","")};this.processGetURL=function(e){b.ctatdebug("processGetURL()");-1!=e.getURL().indexOf("http://")?a.retrieveFile(e.getURL().substring(7),b.processClientBRDLoad):a.retrieveFile(e.getURL(),b.processClientBRDLoad)};this.processClientBRDLoad=
+function(e){b.ctatdebug("processClientBRDLoad()");var c=a.getURL();a.sendXML("<message><verb>NotePropertySet</verb><properties><MessageType>GetURLResponse</MessageType><URL><![CDATA[ "+c+" ]]\x3e</URL><content><![CDATA[ "+window.btoa(e)+" ]]\x3e</content></properties></message>")};this.processCorrectAction=function(a){b.ctatdebug("processCorrectAction()");a.setGradeResult("correct");b.clearFeedbackComponents();null!=v&&(ctatdebug("Calling custom grading processor ..."),v("CORRECT",a));var e=a.getSelection();
+if(l[e]&&null!=m)m("CORRECT",a),this.propagateShellEvent("CORRECT",a);else{var c=CTATShellTools.findComponent(e);if(null!=c)for(ctatdebug("Processing "+c.length+" components ..."),e=0;e<c.length;e++)ctatdebug("Check "+c[e].getName()),c[e]?c[e].setCorrect&&c[e].setCorrect(a):b.ctatdebug("Internal error, component pointer is null");else b.ctatdebug("Error: component is null for selection "+e)}};this.processInCorrectAction=function(a){b.ctatdebug("processInCorrectAction()");a.setGradeResult("incorrect");
+null!=v&&(ctatdebug("Calling custom grading processor ..."),v("INCORRECT",a));var e=a.getSelection();if(l[e]&&null!=m)m("INCORRECT",a);else{var c=CTATShellTools.findComponent(e);if(null!==c)for(e=0;e<c.length;e++)ctatdebug("Calling setIncorrect on component ("+c[e].getClassName()+")..."),c[e].setIncorrect&&c[e].setIncorrect(a);else b.ctatdebug("Error: component is null for selection "+e)}};this.processHighlightMsg=function(a){b.ctatdebug("processHighlightMsg()");var e=a.getSelection(),c=CTATShellTools.findComponent(e);
+if(null!=c)for(e=0;e<c.length;e++)"function"==typeof c[e].setHintHighlight&&c[e].setHintHighlight(!0,a);else b.ctatdebug("Error: component is null for selection "+e);this.showFeedback(a.getHighlightMsg())};this.processUnHighlightMsg=function(a){b.ctatdebug("processUnHighlightMsg()");var e=a.getSelection(),c=CTATShellTools.findComponent(e);if(null!=c)for(e=0;e<c.length;e++)"function"==typeof c[e].setHintHighlight&&c[e].setHintHighlight(!1,null,a);else b.ctatdebug("Error: component is null for selection "+
+e)};this.processAssociatedRules=function(e,c,f,g){b.ctatdebug("processAssociatedRules()");if(0==commMessageHandler.getInStartState()){logHintSAI=e.getSAI();var h,m=new CTATActionEvaluationData("");b.ctatdebug("Found tutor advice: "+f);"Hint"==c||"HintWindow"==c?(ctatdebug("Preparing log message to indicate a hint response","commShell"),m.setCurrentHintNumber(hintIndex+1),m.setTotalHintsAvailable(hints.length),m.setEvaluation("HINT"),h="HINT_MSG",hints[hintIndex]&&(f=hints[hintIndex])):("Correct"==
+e.getIndicator()?m.setEvaluation("CORRECT"):m.setEvaluation("INCORRECT"),h="RESULT");ctatdebug("Adding custom field names ...");var l=[],n=[];l.push("step_id");n.push(e.getProperty("StepID"));var p=e.getRules();p&&(l.push("rule_names"),n.push(p.toString()));var p=e.getCustomFields(),w;for(w in p)l.push(w),n.push(p[w]);w=e.getSkillsObject();b.updateSkillWindow(w);ctatdebug("Sending log message ...");null!=commLoggingLibrary?u?commLoggingLibrary.logTutorResponse(e.getTransactionID(),logHintSAI,h,"",
+m,f,w,l,n):e.suppressLogging():this.ctatdebug("Info: no logging library available!");"done"==logHintSAI.getSelection()&&"ButtonPressed"==logHintSAI.getAction()&&"Correct"==e.getIndicator()&&(h=d.createProblemSummaryRequestMessage(),a.sendXML(h,!1))}else b.updateSkillWindow(null);if((g=g&&CTATShellTools.findComponent(g))&&g.length)for(h=0;h<g.length;h++)ctatdebug("Calling processAssociatedRules on component ("+g[h].getClassName()+")..."),g[h].processAssociatedRules&&g[h].processAssociatedRules(e,c,
+f);b.ctatdebug("processAssociatedRules() done")};this.processBuggyMessage=function(a){b.ctatdebug("processBuggyMessage()");this.showFeedback(a.getBuggyMsg())};this.processSuccessMessage=function(a){b.ctatdebug("processSuccessMessage()");this.showFeedback(a.getSuccessMessage())};this.processUntutoredAction=function(a,e){b.processInterfaceAction(a,e)};this.processInterfaceAction=function(a,e){b.ctatdebug('CTATCommShell.processInterfaceAction ("'+a.getMessageType()+'")');var c=a.getProperty("trigger"),
+c=a.getProperty("subtype")||(c&&"data"==c.toLowerCase()?"tutor-performed":"");null!=commLoggingLibrary?u&&commLoggingLibrary.logSemanticEvent(a.getTransactionID(),a.getSAI(),"ATTEMPT",c):this.ctatdebug("Info: no logging library available!");if("root"==a.getSelection()||"_root"==a.getSelection()){b.ctatdebug("Info: selection is 'root', we'll call the function straight up ...");for(var c=[window,CTATCommShell.commShell],d=a.getAction(),f=a.getInput(),g=0;g<c.length&&"function"!=typeof c[g][d];++g);
+if(g>=c.length)b.ctatdebug("Internal error: unable to find function: "+d);else{b.ctatdebug("Calling as: "+d+"("+f+")");try{c[g][d](f)}catch(z){b.ctatdebug("Internal error: unable to execute function: "+z.message)}}}else if(c=CTATShellTools.findComponent(a.getSelection()),null===c)b.ctatdebug("Internal error: unable to find pointer to component object");else if(0==c.length)b.ctatdebug("Error: no component found to call interface action on");else{d=c.length;b.ctatdebug("Call the action on the component(s) -> ("+
+d+")...");for(f=0;f<d;f++)if(b.ctatdebug("About to call "+a.getAction()+" ("+a.getInput()+") on: "+a.getSelection()),g=c[f],"function"==typeof g.executeSAI&&g.executeSAI(a),b.ctatdebug("Method executed, continuing with post-processing ..."),1==commMessageHandler.getInStartState()){var h=a.getAction();h&&h.toLowerCase().startsWith("updatetext")&&!g.getDivWrap().className.includes("CTATTextField")&&g.setEnabled(!e)}b.ctatdebug("processInterfaceAction() Done")}};this.removeComponent=function(b){CTATTutor.removeComponent(b)};
+this.processInterfaceIdentification=function(a){b.ctatdebug("processInterfaceIdentification()")};this.processAuthorModeChange=function(a){b.ctatdebug("processAuthorModeChange()")};this.processShowHintsMessage=function(a){b.ctatdebug("processShowHintsMessage()")};this.processConfirmDone=function(a){b.ctatdebug("processConfirmDone()")};this.processVersionInfo=function(a){b.ctatdebug("processVersionInfo()")};this.updateLastActionTimestamp=function(){g&&g.updateLastActionTimestamp()};this.processTutoringServiceAlert=
+function(a){b.ctatdebug("processTutoringServiceAlert()");for(var e="",c=0;c<a.length;c++){var d=a[c];"ErrorType"==h.getElementName(d)&&h.getNodeTextValue(d);"Details"==h.getElementName(d)&&(e=h.getNodeTextValue(d))}CTATScrim.scrim.scrimUp(e)};this.processTutoringServiceError=function(a){b.ctatdebug("processTutoringServiceError()");var e=a.getProperty("ErrorType");a=a.getProperty("Details");CTATScrim.scrim.scrimDown();CTATScrim.scrim.errorScrimUp(e+" - "+a)};this.processProblemSummaryResponse=function(a,
+c){b.ctatdebug("processProblemSummaryResponse() iscb "+c);if(commLoggingLibrary&&!c)commLoggingLibrary.then(b.processProblemSummaryResponse(a,!0));else if(CTATLMS.processProblemSummary&&CTATLMS.processProblemSummary(a.getXMLObject()),CTATLMS.closeLMSConnection&&CTATLMS.closeLMSConnection(),null!=p){var d=a.getXMLObject(),g=d.getElementsByTagName("ProblemSummary"),h=d.getElementsByTagName("cmi.core.lesson_status"),m=d.getElementsByTagName("cmi.core.score.raw"),l=d.getElementsByTagName("cmi.core.exit"),
+d=d.getElementsByTagName("cmi.core.session_time"),g=$("<div>").html(g[0].innerHTML).text(),h="<cmi.core.lesson_status>"+$("<div>").html(h[0].innerHTML).text()+"</cmi.core.lesson_status>",m="<cmi.core.score.raw>"+$("<div>").html(m[0].innerHTML).text()+"</cmi.core.score.raw>",l="<cmi.core.exit>"+$("<div>").html(l[0].innerHTML).text()+"</cmi.core.exit>",d="<cmi.core.session_time>"+$("<div>").html(d[0].innerHTML).text()+"</cmi.core.session_time>";p(g,"<scorm>"+h+m+l+d+"</scorm>");p=null}else l=new CTATXML,
+null!=e?e(l.xmlToString(a.getXMLObject())):f.sendSummary(a)};this.setGotProblemRestoreEnd=function(b){u=b};this.processProblemRestoreEnd=function(a){b.ctatdebug("processProblemRestoreEnd() scrimIsUp "+scrimIsUp);u=!0;CTATScrim.scrim.scrimDown()};this.clearFeedbackComponents=function(){b.ctatdebug("clearFeedbackComponents ()");CTATShellTools.showHints(null)};this.processHintResponse=function(a,e){b.ctatdebug("processHintResponse()");unhighlightall();CTATShellTools.showHints(e);var c=a.getSAI();if(null!=
+c)if(c=c.getSelection(),null!=c)if(b.ctatdebug("Highlighting selection for hint: "+c),c=CTATShellTools.findComponent(c),null!=c)for(var d=0;d<c.length;d++)1==CTATCommShell.detailedFeedback&&"function"==typeof c[d].setHintHighlight&&c[d].setHintHighlight(!0,a);else b.ctatdebug("Unable to find component name in list: "+c);else b.ctatdebug("Error: no highlight selection present in SAI");else b.ctatdebug("Warning: no SAI found in highlight message");CTATCommShell.detailedFeedback=!0;b.ctatdebug("processHintResponse() done")};
+this.showHighlightSelection=function(a,e){b.ctatdebug("showHighlightSelection ("+a+")");var c=CTATShellTools.findComponent(a);if(null!=c)for(var d=0;d<c.length;d++)1==CTATCommShell.detailedFeedback&&(0===d?c[d].moveHintHightlight&&c[d].moveHintHighlight(!0,e):c[d].setHintHighlight&&c[d].setHintHighlight(!0,e));else b.ctatdebug("Unable to find component name in list: "+c)};this.globalReset=function(){b.ctatdebug("globalReset ()");CTATMessageHandler.scriptElement=""};this.nextProblem=function(e){b.ctatdebug("nextProblem ()");
+if(CTATGlobalFunctions.isBlank(e))b.ctatdebug("Message is blank, requesting next problem ..."),e=flashVars.getRawFlashVars().run_problem_url,a.send(e);else{b.ctatdebug("Message contains html data, writing ...");try{document.close()}catch(B){alert("Error closing document: "+B.message)}try{document.write(e)}catch(B){alert("Error writing document: "+B.message)}}};this.updateSkillWindow=function(a){b.ctatdebug("updateSkillWindow()");CTATSkillSet.skills.untouchSkills();var e=CTATShellTools.findComponentByClass("CTATSkillWindow");
+null!==e?null!=a?e.updateSkillSet(a):e.drawComponent():b.ctatdebug("Info: no skill window available")};this.processComponentFocus=function(a){b.ctatdebug("processComponentFocus("+a.getName()+","+a.getClassName()+")");"CTATTextInput"==a.getClassName()||"CTATTextField"==a.getClassName()||"CTATTextArea"==a.getClassName()?(CTATGlobals.selectedTextInput=a,null!==mobileAPI&&!0===mobileAPI.getEnabled()&&mobileAPI.processTextFocus(a.getX(),a.getY(),a.getWidth(),a.getHeight())):CTATGlobals.selectedTextInput=
+null;b.ctatdebug("processComponentFocus() done")};this.showFeedback=function(a){null!=a&&void 0!=a&&/\S/.test(a)&&" "!=a?(b.ctatdebug("showFeedback("+a+") -> l: "+a.length),CTATShellTools.showFeedback(a),null!=n&&n(a)):b.ctatdebug("showFeedback(): False alarm: empty message. This can happen when the commshell is trying to clear the hint window and there is no hint window.")};this.assignFeedbackHandler=function(a){b.ctatdebug("assignFeedbackHandler()");n=a};this.gradeSAI=function(a,e,c){b.ctatdebug("gradeSAI()");
+l[a]=c;a=new CTATSAI(a,e,c);b.processComponentAction(a,!0,!0)};this.assignGradingHandler=function(a){b.ctatdebug("assignGradingHandler()");m=a};this.assignAnonymousGradingProcessor=function(b){v=b};this.assignDoneProcessor=function(b){e=b};this.addEventListener=function(b,a){};this.addGlobalEventListener=function(a){b.ctatdebug("addGlobalEventListener( "+a+")");a&&q.push(a)};this.sendToTools=function(b){a&&a.sendToToolsOrCollaborators(a.getURL(),b,!1)};this.closeWSConnection=function(b,e,c){(b=a.findWSConnection(b))?
+b.close(c,e):console.warn("connection not found")}};CTATCommShell.prototype=Object.create(CTATBase.prototype);CTATCommShell.prototype.constructor=CTATCommShell;CTATCommShell.commShell=null;CTATCommShell.detailedFeedback=!0;function enableDetailedFeedback(a){CTATCommShell.detailedFeedback=a};var CTATComponentReference=function(a,g){var f=a,d=g;this.setElement=function(a){f=a};this.getElement=function(){return f};this.setDiv=function(a){d=a};this.getDiv=function(){return d}};CTATComponentReference.components={};CTATComponentReference.list=function(){for(var a in CTATComponentReference.components){var g=CTATComponentReference.components[a];ctatdebug("Component: "+g.getElement().getName()+", with div: "+g.getDiv().id)}};
+CTATComponentReference.getComponentFromID=function(a){var g=CTATComponentReference.components;return g.hasOwnProperty(a)?(a=g[a],a.getElement()?a.getElement():null):null};CTATComponentReference.add=function(a,g){var f=new CTATComponentReference(a,g);return CTATComponentReference.components[f.getDiv().getAttribute("id")]=f};var CTATCompBase=function(a,g,f,d,c,b){CTATBase.call(this,a,g);var e=f||0,h=d||0,l=c||-2,m=b||-2,n=50,p=25,v=!1,q=!1,u="",w=!1,B=!0,y=null,C="",A=null;this.isTabIndexable=!0;var r=0,D=null,z=this,F=null,H="hidden",J=CTATGlobalFunctions.gensym.z_index(),x=CTATGlobalFunctions.gensym.div_id(),G=CTATGlobalFunctions.gensym.z_index(),I=CTATGlobalFunctions.gensym.div_id();this.setIsAbstractComponent=function(b){v=b};this.isAbstractComponent=function(){return v};this.setIsFeedbackComponent=function(b){q=
+b};this.isFeedbackComponent=function(){return q};this.setTabIndex=function(b){!0===this.isTabIndexable?(A=b,0>A?(A=CTATGlobals.Tab.Tracker,CTATGlobals.Tab.Tracker++):CTATGlobals.Tab.Tracker=A):A=-1};this.getTabIndex=function(){return A||this.getComponent().getAttribute("tabindex")};this.setZIndex=function(b){z.ctatdebug("Setting z index to: "+b);r=b;null!==y&&(y.style.zIndex=b)};this.getZIndex=function(){return r};this.setDefaultWidth=function(b){n=b};this.getDefaultWidth=function(){return n};this.setDefaultHeight=
+function(b){p=b};this.getDefaultHeight=function(){return p};this.processCommShellEvent=function(b,a){z.ctatdebug("processCommShellEvent ("+b+")")};this.makeDivWrapper=function(b){y=document.createElement("div");y.id=this.getName();y.setAttribute("onkeypress","return noenter(event)");y.setAttribute("data-ctat-component",this.getClassName());y.style.position="absolute";y.style.left=e+"px";y.style.top=h+"px";y.style.zIndex=J;y.style.width=z.getWidth()+"px";y.style.height=z.getHeight()+"px";$(y).data("CTATComponent",
+this);b.appendChild(y)};this.setDivWrapper=function(b){(y=b)&&y.setAttribute("data-ctat-component",this.getClassName())};var R=this.setClassName;this.setClassName=function(b){R(b);y&&y.setAttribute("data-ctat-component",this.getClassName())};this.wrapComponent=function(b){z.ctatdebug("wrapComponent ()");z.makeDivWrapper(b);z.ctatdebug("wrapComponent () done")};this.createCanvas=function(){z.ctatdebug("createCanvas ()");F=document.createElement("canvas");F.setAttribute("id",I);F.setAttribute("onkeypress",
+"return noenter(event)");F.setAttribute("width",l+canvasCalibrate+"px");F.setAttribute("height",m+canvasCalibrate+"px");F.setAttribute("style","border: 1px "+this.borderColor+" solid; "+("hidden"==H?"visibility: hidden; ":"")+"z-index:"+G+";");y.firstChild?y.insertBefore(F,y.firstChild):y.appendChild(F);return F};this.redraw=function(){var b=y.style.display;y.style.display="none";y.style.display=b};this.setCanvasVisibility=function(b){H=b};this.getSubCanvasCtx=function(){if(F)return F.getContext("2d")};
+this.getSubCanvas=function(){return F};this.getX=function(){return e};this.getY=function(){return h};this.getWidth=function(){if(0>=l){var b;D?b=window.getComputedStyle(D):y&&(b=window.getComputedStyle(y));if(b)return parseFloat(b.width)}return l};this.getHeight=function(){if(0>=m&&y){var b=window.getComputedStyle(y);return parseFloat(b.getPropertyValue("height"))}return m};this.getText=function(){return u};this.getEnabled=function(){return B};this.assignEnabled=function(b){B=b;y.setAttribute("data-ctat-enabled",
+B)};this.setEnabled=function(b){z.ctatdebug("setEnabled ("+b+")");z.assignEnabled(b);D?D.disabled=!B:z.ctatdebug("Error: component pointer is null")};this.lock=this.setEnabled.bind(z,!1);this.unlock=this.setEnabled.bind(z,!0);this.getDivWrap=function(){return y};this.getComponent=function(){return D};this.component=null;Object.defineProperty(this,"component",{get:function(){return D}});this.getCanvasZIndex=function(){return G};this.getComponentGroup=function(){return C};this.setComponent=function(b){D=
+b;this.setEnabled(this.getEnabled())};this.getTopDivZIndex=function(){return J};this.getTopDivID=function(){return x};this.setComponentGroup=function(b){C=b;D&&(D.name=b)};this.assignText=function(b){u=b};this.init=function(){z.ctatdebug("THIS IS THE BASE INIT METHOD")};this.initialize=function(){z.ctatdebug("initialize ()");z.configFromDescription();z.init();z.processSerialization();z.render();z.processTabOrder();z.ctatdebug("initialize () done")};this.getInitialized=function(){return w};this.setInitialized=
+function(b){z.ctatdebug("setInitialized ("+b+")");w=b;!0!==w||y?z.ctatdebug("Not wrapping, initialized="+w+", divWrapper = "+y):(z.ctatdebug("Wrapping a component and appending it to the top container div if one was never set ..."),(b=findPointOfAttachment(this.getName()))?(z.ctatdebug("Attaching component to existing MovieClip ..."),z.wrapComponent(b.getDivWrapper())):(z.ctatdebug("Attaching component to main div ..."),0<$("#"+ctatcontainer).length&&z.wrapComponent(getSafeElementById(ctatcontainer))));
+z.getDivWrap().classList.add("CTATComponent");z.ctatdebug("setInitialized () done")};this.addSafeEventListener=function(b,a,e){z.ctatdebug("addSafeEventListener ("+b+")");z.ctatdebug("Adding event listener to: "+e);e?e.addEventListener(b,a):(D?(z.ctatdebug("Adding eventlistener to component instead of target"),D.addEventListener(b,a)):z.ctatdebug("Error: pointer to component is null, can't add event listener"),z.ctatdebug("addSafeEventListener () done"))};this.drawComponent=function(){};this.addComponentReference=
+function(b,a){z.ctatdebug("addComponentReference ("+b.getName()+" -> "+a.getAttribute("id")+")");CTATComponentReference.add(b,a);z.ctatdebug("addComponentReference ()")};this.getComponentFromID=function(b){return CTATComponentReference.getComponentFromID(b)};this.processSerialization=function(){z.ctatdebug("processSerialization()");z.ctatdebug("implement in child class")};this.move=function(b,a){e=Number(b);h=Number(a);if(void 0===a||null===a||isNaN(h))if(0<=b.indexOf(",")){var c=b.split(",");e=Number(c[0]);
+h=Number(c[1])}else h=0;e=isNaN(e)?0:e;h=isNaN(h)?0:h;y&&(y.style.left=e+"px",y.style.top=h+"px")};this.setSize=function(b,a){var e=Number(b),c=Number(a);(void 0===a||null===a||isNaN(c))&&0<=b.indexOf(",")&&(c=b.split(","),e=Number(c[0]),c=Number(c[1]));z.ctatdebug("setSize ("+e+","+c+")");isNaN(e)||z.setWidth(e);isNaN(c)||z.setHeight(c)};this.SetVisible=this.setVisible=function(b){b=CTATGlobalFunctions.toBoolean(b);H=!0===b?"block":"hidden";F&&F.setAttribute("style","border: 0px; position: absolute; "+
+(b?"":"visibility:hidden; ")+"; left:"+e+"px; top:"+h+"px; z-index:"+G+";");y.style.visibility=!0===b?"unset":"hidden"};this.FadeIn=function(b){z.SetVisible(!0)};this.FadeOut=function(b){z.SetVisible(!1)};this.reset=function(){};this.setX=function(b){this.x=b;y.style.left=this.x+"px";!0===w&&this.render()};this.setY=function(b){this.y=b;y.style.top=this.y+"px";!0===w&&this.render()};this.setWidth=function(b){z.ctatdebug("setWidth ("+b+")");l=b;y?y.style.width=l+"px":z.ctatdebug("Internal error: no div wrapper available to set width")};
+this.setHeight=function(b){z.ctatdebug("setHeight ("+b+")");m=b;y?y.style.height=m+"px":z.ctatdebug("Internal error: no div wrapper available to set height")};this.setText=function(b){u=b;return this};this.getValue=function(){return D?D.value:""};this.backgrade=!1;this.unHighlightAll=function(){$(".CTAT--hint").each(function(){for(var b=$(this),a=null;0<b.length&&null===a;)b.data("CTATComponent")?a=b.data("CTATComponent"):b=b.parent();a&&a.setHintHighlight&&a.setHintHighlight(!1,null)})};this.processOnFocus=
+function(){z.ctatdebug("processOnFocus ("+z.getName()+")");CTATGlobals.Tab.previousFocus=CTATGlobals.Tab.Focus;CTATGlobals.Tab.Focus!=z?(z.ctatdebug("CTATGlobals.Tab.Focus!=pointer, updating CTATGlobals.Tab.Focus ..."),CTATGlobals.Tab.Focus=z):z.ctatdebug("CTATGlobals.Tab.Focus==pointer");z.ctatdebug("processOnFocus () done")};this.processFocus=function(b){z.ctatdebug("processFocus ()");b.currentTarget.getAttribute("id");if(z){mobileAPI&&!0===mobileAPI.getEnabled()&&z.hideKeyboard();CTATCommShell.commShell&&
+CTATCommShell.commShell.processComponentFocus(z);if(CTATGlobals.Tab.Focus){z.ctatdebug("old focus: "+CTATGlobals.Tab.Focus.getName()+", new focus:"+z.getName()+", correct: "+CTATGlobals.Tab.Focus.isCorrect());if(1==CTATGlobals.Tab.Focus.isCorrect()){z.ctatdebug("Previous focus is a correct component, don't backgrade!");return}if(CTATGlobals.Tab.Focus==z){z.ctatdebug("We're already there!");return}CTATGlobals.Tab.Focus.backgrade&&CTATGlobals.Tab.Focus.processAction()}else z.ctatdebug("No previously focused component yet, can't grade");
+"hint"==z.getClassName()||"CTATHintButton"==z.getClassName()?z.ctatdebug("Info: focus moved to hint, bump"):(CTATGlobals.Tab.previousFocus=CTATGlobals.Tab.Focus,CTATGlobals.Tab.Focus=z,z.ctatdebug("processFocus () done"))}else z.ctatdebug("Error: component reference is null")};this.processTabOrder=function(){z.ctatdebug("processTabOrder ("+A+")");!0===v?z.ctatdebug("Component is an abstract component, bump"):D?(z.ctatdebug("We have a component, actually assigning to html component ..."),null!==A&&
+(D.tabIndex=A),D.onfocus=z.processOnFocus):z.ctatdebug("Error: we don't have an html component yet, can't assign tab index")};this.hideKeyboard=function(){document.activeElement.blur();$("input").blur()}};CTATCompBase.prototype=Object.create(CTATBase.prototype);CTATCompBase.prototype.constructor=CTATCompBase;var CTATCSS=function(){var a=0,g=[],f=0,d=[],c=0,b=[];this.resetSelectors=function(){f=0;d=[];d[f]=[]};this.resetCSSStringArray=function(){b=[];c=0};this.clearCSS=function(){this.resetSelectors();this.resetCSSStringArray();g=[];a=0};this.addStringCSS=function(a){b[c]=a;c++};this.addCSSAttribute=function(b,c){g[a]=b;g[a+1]=c;a+=2};this.removeStringCSS=function(a){a=b.indexOf(a);0<=a&&b.splice(a,1)};this.removeCSSAttribute=function(b){b=g.indexOf(b);0<=b&&g.splice(b,2)};this.modifyCSSAttribute=function(b,
+a){var e=g.indexOf(b);-1==e?this.addCSSAttribute(b,a):g[e+1]=a};this.addSelector=function(b){d[f]=[];d[f][0]=b;f++};this.addSelectorAttribute=function(b,a,c){var e=1;a:if(0===f)b=0;else{for(var g=0;g<d.length&&null!==d[g][0];g++)if(d[g][0]==b){b=g;break a}b=-1}for(;void 0!==d[b][e];)e++;d[b][e]=a;d[b][e+1]=c};this.toCSSString=function(){for(var a="",c=0;c<d.length;c++){for(var a=a+(d[c][0]+" { "),f=1;f<d[c].length;f++)a+=d[c][f],a=0===f%2?a+"; ":a+": ";a+=" }; "}for(c=0;c<g.length;c++)a+=g[c],a=0===
+c%2?a+": ":a+"; ";for(c=0;c<b.length;c++)a+=b[c]+" ";return a}};CTAT.Component={};CTAT.Component.Base={};
+CTAT.Component.Base.Style=function(a,g,f,d,c,b){CTATCompBase.call(this,a,g,f,d,c,b);var e=new CTATCSS;this.addCSSAttribute=function(b,a){e.addCSSAttribute(b,a);this.render()};this.removeCSSAttribute=function(b){e.removeCSSAttribute(b);this.render()};this.addStringCSS=function(b){e.addStringCSS(b);this.render()};this.removeStringCSS=function(b){e.removeStringCSS(b);this.render()};this.modifyCSSAttribute=function(b,a){e.modifyCSSAttribute(b,a);this.render()};this.getCSS=function(){return e.toCSSString()};
+this.render=function(){!0===this.isAbstractComponent()?this.ctatdebug("Component is an abstract component, bump"):this.getInitialized()&&(this.getComponent()?this.ctatdebug(e.toCSSString()):this.ctatdebug("Internal error, html component not available for rendering"))};this.setStyleAll=function(b,a){this.getSubCanvas()&&this.getSubCanvas().setAttribute(b,a);this.modifyCSSAttribute(b,a)}};CTAT.Component.Base.Style.prototype=Object.create(CTATCompBase.prototype);
+CTAT.Component.Base.Style.prototype.constructor=CTAT.Component.Base.Style;CTAT.Component.Base.Graphical=function(a,g,f,d,c,b,e){CTAT.Component.Base.Style.call(this,a,g,d,c,b,e);var h=f||(new CTATComponentDescription).setGenericDefaults();this.getGrDescription=function(){return h};this.setGrDescription=function(b){h=b;this.processDescription(h)};var l={},m={};this.getAlign=function(){return this.component?$(this.component).css("text-align"):$(this.getDivWrap()).css("text-align")};this.setAlign=function(b){this.component&&(this.component.style.textAlign=b);return this};this.getBackgroundColor=
+function(){return $(this.getComponent()).css("background-color")};this.setBackgroundColor=function(b){b=b?CTATGlobalFunctions.formatColor(b):null;this.component&&(this.component.style.backgroundColor=b);return this};this.setDisabledBGColor=function(b){return this};this.setDisabledTextColor=function(b){return this};this.getBorderColor=function(){return $(this.getComponent()).css("border-color")};this.setBorderColor=function(b){b&&(b=CTATGlobalFunctions.formatColor(b),this.getComponent()?$(this.getComponent()).css("border-color",
+b):this.getDivWrap().style.borderColor=b);return this};this.getBorderRoundness=function(){return $(this.getComponent()).css("border-radius")};this.setBorderRoundness=function(b){b=parseInt(b,10);isNaN(b)?b=l.roundness=0:l.roundness=b;b+="px";this.component&&this.getBorderRoundness()!==b&&($(this.component).css("border-radius",b),this.component.style.borderRadius=l.roundness);return this};this.getBorderStyle=function(){return $(this.getComponent()).css("borderStyle")};this.setBorderStyle=function(b){this.component&&
+(this.component.style.borderStyle=b);return this};this.getBorderWidth=function(){return this.getComponent()?$(this.getComponent()).css("borderWidth"):l.width};this.setBorderWidth=function(b){l.width=b;/(\d*(px)? ?){1,3}(\d*(px)? ?)?/.test(b)||(b="0px",console.log("invalid width string"));this.component&&this.getBorderWidth()!==b&&$(this.component).css("borderWidth",b);return this};this.setPadding=function(b){b=parseInt(b);isNaN(b)&&(b=0);this.component&&(this.component.style.padding=b+"px");return this};
+this.getFontColor=function(){if(this.component)return $(this.component).css("color")};this.setFontColor=function(b){console.log("setFontColor( )");m.color=CTATGlobalFunctions.formatColor(b);this.component&&(console.log("got comp"),this.getFontColor()!==m.color&&$(this.component).css("color",m.color));return m.color};this.setFontFamily=function(b){this.component&&(this.component.style.fontFamily=b);return this};this.getFontFamily=function(){if(this.component)return this.component.style.fontFamily;
+console.warn("component not found");return null};this.setFontSize=function(b){b=parseInt(b);isNaN(b)?this.component.style.fontSize=null:(m.size=b,this.component&&(this.component.style.fontSize=b+"pt"));return this};this.setShowBorder=function(b){b=CTATGlobalFunctions.toBoolean(b);this.component&&(b?this.setBorderStyle("solid"):this.setBorderStyle("none"));return this};this.setUnderlined=function(b){p_underlined=CTATGlobalFunctions.toBoolean(b);this.component&&(this.component.style.textDecoration=
+p_underlined?"underline":null);return this};this.setBolded=function(b){b=CTATGlobalFunctions.stringToBoolean(b);this.component&&(this.component.style.fontWeight=b?"bold":null);return this};this.setItalicized=function(b){CTATGlobalFunctions.toBoolean(b);this.component&&(this.component.style.fontStyle=m.italicized?"italic":null);return this};var n=this;a=function(b){var a=b||{};return{setHandler:function(b,e){a[b]=e},set:function(b){if(a.hasOwnProperty(b)){if(a[b]){var e=Array.prototype.slice.call(arguments,
+1);return a[b].apply(n,e)}n.ctatdebug("Error: NULL handler for "+b)}else n.ctatdebug("Error: No handler set for "+b)}}};this.style_handlers=a({BackgroundColor:this.setBackgroundColor,BorderColor:this.setBorderColor,borderRoundness:this.setBorderRoundness,DrawBorder:this.setShowBorder,FontFace:this.setFontFamily,FontSize:this.setFontSize,FontBold:this.setBolded,FontItalic:this.setItalicized,FontUnderlined:this.setUnderlined,labelText:this.setText,padding:this.setPadding,showBorder:this.setShowBorder,
+TextAlign:this.setAlign,TextColor:this.setFontColor});this.setStyle=function(b,a){this.style_handlers.set(b,a)};this.setStyleHandler=function(b,a){this.style_handlers.setHandler(b,a)};this.parameter_handlers=a({group:this.setComponentGroup});this.setParameter=function(b,a){this.parameter_handlers.set(b,a)};this.setParameterHandler=function(b,a){this.parameter_handlers.setHandler(b,a)};this.data_ctat_handlers={};this.processAttributes=function(){if(this.getDivWrap()){var b=$(this.getDivWrap()),a=parseInt(b.attr("tabindex"),
+10)||parseInt(b.attr("data-ctat-tabindex"),10);isNaN(a)||(this.setTabIndex(a),b.attr("tabindex",null));a=b.attr("name");void 0!==a&&this.setComponentGroup(a);for(var e in this.data_ctat_handlers)a=b.data("ctat-"+e),void 0!==a&&this.data_ctat_handlers[e].apply(this,[a])}};this.data_ctat_handlers.enabled=function(b){this.setEnabled(CTATGlobalFunctions.toBoolean(b))};this.processParameters=function(b){if(b)if(b instanceof CTATComponentDescription){n.setName(b.name);b=b.params;for(var a in b)this.setParameter(a,
+b[a])}else this.ctatdebug("Error: Invalid description sent to CTAT.Components.Hierarchy.Graphical.processDescription: "+b)};this.processStyles=function(b){if(b)if(b instanceof CTATComponentDescription){b=b.styles;for(var a in b)this.setStyle(a,b[a])}else this.ctatdebug("Error: Invalid description sent to CTAT.Components.Hierarchy.Graphical.processDescription: "+b)};this.processDescription=function(b){this.processParameters(b);this.processStyles(b)};this.configFromDescription=function(){this.processParameters(h)};
+this.processSerialization=function(){this.processStyles(h)};this.addClass=function(b){this.getDivWrap()&&null!=this.getDivWrap()&&this.getDivWrap().classList.add(b)};this.removeClass=function(b){this.getDivWrap()&&null!=this.getDivWrap().classList&&this.getDivWrap().classList.remove(b)}};CTAT.Component.Base.Graphical.prototype=Object.create(CTAT.Component.Base.Style.prototype);CTAT.Component.Base.Graphical.prototype.constructor=CTAT.Component.Base.Graphical;CTAT.Component.Base.SAIHandler=function(a,g,f,d,c,b,e){CTAT.Component.Base.Graphical.call(this,a,g,f,d,c,b,e);var h=new CTATSAI(this.getName(),CTAT.Component.Base.SAIHandler.DefaultAction,CTAT.Component.Base.SAIHandler.DefaultInput,CTAT.Component.Base.SAIHandler.DefaultPrompt),l=this.setName;this.setName=function(b){l(b);h.setSelection(this.getName())};this.getSAI=function(){return h};this.setSAI=function(b,a,e){b instanceof CTATSAI?h=b:(b=null===b||void 0===b?this.getName():b,h=new CTATSAI(b,a,e,
+CTAT.Component.Base.SAIHandler.DefaultPrompt));return this};this.setInput=function(b){h instanceof CTATSAI?h.setInput(b):h=new CTATSAI(this.getName(),CTAT.Component.Base.SAIHandler.DefaultAction,b,CTAT.Component.Base.SAIHandler.DefaultPrompt);return this};this.setAction=function(b){h instanceof CTATSAI?h.setAction(b):h=new CTATSAI(this.getName(),b,CTAT.Component.Base.SAIHandler.DefaultInput,CTAT.Component.Base.SAIHandler.DefaultPrompt);return this};this.setActionInput=function(b,a){this.setAction(b);
+this.setInput(a);return this};this.setSelection=function(b){h instanceof CTATSAI?h.setSelection(b):h=new CTATSAI(b,CTAT.Component.Base.SAIHandler.DefaultAction,CTAT.Component.Base.SAIHandler.DefaultInput,CTAT.Component.Base.SAIHandler.DefaultPrompt)};this.updateSAI=function(){};this.executeSAI=function(b){this.ctatdebug("executeSAI ()");var a;a=b instanceof CTATMessage?b.getSAI():b;if(a instanceof CTATSAI){var e=a.getAction();this.ctatdebug("Processing "+e+"("+a.getInput()+") on: "+a.getSelection());
+if("function"==typeof this[e]){a=a.getArgumentsTyped();this.ctatdebug("JSON args: "+JSON.stringify(a));try{this.ctatdebug("Executing "+e+"("+a+","+typeof b+")..."),a.push(b),this[e].apply(this,a)}catch(v){return this.ctatdebug("ERROR: failed to execute action: "+v.message),!1}this.component&&(b=new CustomEvent("CTAT_EXECUTE_SAI",{detail:{sai:b,component:this},bubbles:!0,cancelable:!0}),this.component.dispatchEvent(b));return!0}this.ctatdebug("ERROR: Unsupported action: "+e+" from "+a.toLSxmlString());
+return!1}this.ctatdebug("ERROR: Non-SAI sent to executeSAI("+typeof b+")");return!1}};CTAT.Component.Base.SAIHandler.DefaultAction="ButtonPressed";CTAT.Component.Base.SAIHandler.DefaultInput="-1";CTAT.Component.Base.SAIHandler.DefaultPrompt="";CTAT.Component.Base.SAIHandler.prototype=Object.create(CTAT.Component.Base.Graphical.prototype);CTAT.Component.Base.SAIHandler.prototype.constructor=CTAT.Component.Base.SAIHandler;CTAT.Component.Base.Tutorable=function(a,g,f,d,c,b,e){CTAT.Component.Base.SAIHandler.call(this,a,g,f,d,c,b,e);var h=!0,l=!0,m=!0,n=CTAT.Component.Base.Tutorable.Options.TutorComponent.TUTOR,p=this,v=!1;this.setTutorComponent=function(b){n=b;b=CTAT.Component.Base.Tutorable.Options.TutorComponent;switch(n){case b.TUTOR:m=h=l=!0;break;case b.TUTOR_NO_FEEDBACK:h=l=!0;m=!1;break;case b.DO_NOT_TUTOR:h=!1,l=!0}};this.setParameterHandler("tutorComponent",this.setTutorComponent);this.data_ctat_handlers.tutor=
+function(b){h=CTATGlobalFunctions.toBoolean(b)};this.data_ctat_handlers["show-feedback"]=function(b){m=CTATGlobalFunctions.toBoolean(b)};this.getTutorComponent=function(){var b=CTAT.Component.Base.Tutorable.Options.TutorComponent;return h&&l&&m?b.TUTOR:h&&l&&!m?b.TUTOR_NO_FEEDBACK:!h&&l?b.DO_NOT_TUTOR:n};this.getDisableOnCorrect=function(){var b=$(this.getDivWrap()).attr("data-ctat-disable-on-correct");return b?CTATGlobalFunctions.toBoolean(b):!0};this.setDisableOnCorrect=function(b){$(this.getDivWrap()).attr("data-ctat-disable-on-correct",
+b)};this.setParameterHandler("DisableOnCorrect",this.setDisableOnCorrect);var q=!0;this.getShowHintHighlight=function(){return q};this.setShowHintHighlight=function(b){q=CTATGlobalFunctions.toBoolean(b)};this.setParameterHandler("ShowHintHighlight",this.setShowHintHighlight);this.data_ctat_handlers["show-hint-highlight"]=function(b){q=CTATGlobalFunctions.toBoolean(b)};var u=CTAT.Component.Base.Tutorable.Options.Status.NOTGRADED;this.getComponentStatus=function(){return u};this.setComponentStatus=
+function(b){u=b};this.isCorrect=function(){return u===CTAT.Component.Base.Tutorable.Options.Status.CORRECT};this.isIncorrect=function(){return u===CTAT.Component.Base.Tutorable.Options.Status.INCORRECT};this.isNotGraded=function(){return u===CTAT.Component.Base.Tutorable.Options.Status.NOTGRADED};this.setCorrect=function(b){this.setNotGraded();"CTATTableGoogle"!=this.getClassName()&&this.executeSAI(b);u=CTAT.Component.Base.Tutorable.Options.Status.CORRECT;!0===this.getDisableOnCorrect()&&this.setEnabled(!1);
+!1===CTATGlobals.suppressStudentFeedback&&m&&this.showCorrect(b);this.ctatdebug("setCorrect() post showCorrect");this.component&&(b=new CustomEvent(CTAT.Component.Base.Tutorable.EventType.correct,{detail:{sai:b,component:this},bubbles:!0,cancelable:!0}),this.getDivWrap().dispatchEvent(b))};this.setIncorrect=function(b){this.ctatdebug("setIncorrect()");this.setNotGraded();"CTATTableGoogle"!=this.getClassName()&&this.executeSAI(b);u=CTAT.Component.Base.Tutorable.Options.Status.INCORRECT;!1===CTATGlobals.suppressStudentFeedback&&
+m&&this.showInCorrect(b);this.component&&(b=new CustomEvent(CTAT.Component.Base.Tutorable.EventType.incorrect,{detail:{sai:b,component:this},bubbles:!0,cancelable:!0}),this.getDivWrap().dispatchEvent(b))};this.setNotGraded=function(){this.ctatdebug("setNotGraded ()");this.setHintHighlight(!1);if(!this.isNotGraded()&&(u=CTAT.Component.Base.Tutorable.Options.Status.NOTGRADED,this.removeCorrect(),this.removeInCorrect(),this.component)){var b=new CustomEvent(CTAT.Component.Base.Tutorable.EventType.ungrade,
+{detail:{component:this},bubbles:!0,cancelable:!0});this.getDivWrap().dispatchEvent(b)}};this.showHintHighlight=function(b,a){this.component.classList.remove("CTAT--correct");this.component.classList.remove("CTAT--incorrect");b?this.component.classList.add("CTAT--hint"):this.component.classList.remove("CTAT--hint")};this.setHintHighlight=function(b,a){this.ctatdebug("setHintHighlight ("+b+")");if(q){var e=CTATGlobalFunctions.toBoolean(b);if(this.component){var c=new CustomEvent(CTAT.Component.Base.Tutorable.EventType.highlight,
+{detail:{isHighlighted:e,component:this},bubbles:!0,cancelable:!0});this.getDivWrap().dispatchEvent(c)}e!==v&&(v=e,this.showHintHighlight(e,a))}};this.moveHintHighlight=function(b,a){this.ctatdebug("moveHintHighlight ("+b+")");CTATGlobals.Tab.previousFocus=CTATGlobals.Tab.Focus;CTATGlobals.Tab.Focus=p;p.component.focus?CTATGlobals.Tab.Focus.getComponent().focus():CTATGlobals.Tab.Focus.getDivWrap().focus();if(q){var e=CTATGlobalFunctions.toBoolean(b);if(this.component){var c=new CustomEvent(CTAT.Component.Base.Tutorable.EventType.highlight,
+{detail:{isHighlighted:e,component:this},bubbles:!0,cancelable:!0});this.getDivWrap().dispatchEvent(c)}e!==v&&(v=e,this.showHintHighlight(e,a))}};this.highlight=function(b){ctatdebug("highlight ()");this.component.classList.add("CTAT--highlight")};this.unhighlight=function(b){ctatdebug("unhighlight ()");this.component.classList.remove("CTAT--highlight")};this.showCorrect=function(b){this.ctatdebug("showCorrect("+b+")");this.getComponent().classList.remove("CTAT--incorrect");this.getComponent().classList.remove("CTAT--hint");
+this.getComponent().classList.add("CTAT--correct")};this.removeCorrect=function(){this.getComponent()&&this.getComponent().classList.remove("CTAT--correct")};this.showInCorrect=function(b){this.ctatdebug("showInCorrect("+b+")");this.getComponent().classList.remove("CTAT--correct");this.getComponent().classList.remove("CTAT--hint");this.getComponent().classList.add("CTAT--incorrect")};this.removeInCorrect=function(){this.getComponent()&&this.getComponent().classList.remove("CTAT--incorrect")};this.resetTutoring=
+function(){this.showHintHighlight(!1);this.removeCorrect();this.removeInCorrect();u=CTAT.Component.Base.Tutorable.Options.Status.NOTGRADED};this.grade=function(){this.updateSAI();this.processAction(!0)};this.processAction=function(b,a){this.ctatdebug("processAction("+b+","+a+")");p.unHighlightAll();var e=CTATShellTools.findComponentByClass("CTATDoneButton");e&&e instanceof CTAT.Component.Base.Tutorable&&e!=this&&e.setNotGraded();this.ctatdebug("processAction() finished checking doneButton");ctatdebug("Clearing hint window ...");
+CTATCommShell.commShell&&CTATCommShell.commShell.clearFeedbackComponents();b=void 0===b||null===b?!1:b;a=void 0===a||null===a?!1:a;""!==this.getComponentGroup()?CTATShellTools.findComponent(this.getComponentGroup()).forEach(function(b){b.setNotGraded&&b.setNotGraded()}):this.setNotGraded();this.ctatdebug("processAction() finished setNotGraded");CTATCommShell.commShell&&(b?CTATCommShell.commShell.processComponentAction(this.getSAI(),!0,!0):a?CTATCommShell.commShell.processComponentAction(this.getSAI(),
+!1,!0):CTATCommShell.commShell.processComponentAction(this.getSAI(),h,l));this.ctatdebug("processAction() finished call to commShell.processComponentAction");this.component&&(e=new CustomEvent(CTAT.Component.Base.Tutorable.EventType.action,{detail:{sai:this.getSAI(),component:this},bubbles:!0,cancelable:!0}),this.component.dispatchEvent(e))};this.addEventScreen=function(b){var a=document.createElement("div");a.style.position="absolute";a.style.top="0";a.style.left="0";a.style.bottom="0";a.style.right=
+"0";b&&a.addEventListener("dblclick",function(){setTimeout(function(){var b=p.getDivWrap().getAttribute("data-ctat-enabled");p.setEnabled(!0);var a=p.getComponent();a.hasEditListeners||(a.addEventListener("blur",function(){p.setEnabled(!1);p.getDivWrap().setAttribute("data-ctat-enabled",b);p.getDivWrap().setAttribute("value",a.value)}),"CTATTextArea"===p.getClassName()&&a.addEventListener("keydown",function(b){13==(b.keyCode||b.charCode)&&(b.preventDefault(),this.value+="\n")}),a.hasEditListeners=
+!0);a.focus()},410)});this.getDivWrap().appendChild(a)}};CTAT.Component.Base.Tutorable.Options={TutorComponent:{TUTOR:"Tutor",TUTOR_NO_FEEDBACK:"Tutor but no visual feedback",DO_NOT_TUTOR:"Do not tutor"},Status:{CORRECT:"CORRECT",INCORRECT:"INCORRECT",NOTGRADED:"NOTGRADED"}};CTAT.Component.Base.Tutorable.EventType={correct:"CTAT_CORRECT",incorrect:"CTAT_INCORRECT",highlight:"CTAT_HIGHLIGHT",ungrade:"CTAT_NOTGRADED",action:"CTAT_ACTION"};CTAT.Component.Base.Tutorable.prototype=Object.create(CTAT.Component.Base.SAIHandler.prototype);
+CTAT.Component.Base.Tutorable.prototype.constructor=CTAT.Component.Base.Tutorable;CTAT.Component.Base.Clickable=function(a,g,f,d,c,b,e){CTAT.Component.Base.Tutorable.call(this,a,g,f,d,c,b,e);var h=this;this.processClick=function(b){h.ctatdebug("processClick ("+b.currentTarget.getAttribute("id")+" -> "+b.eventPhase+")");!0===h.getEnabled()?h.processAction():h.ctatdebug("Component is disabled, not grading")};this.setClickable=function(b){h.setEnabled(b)}};CTAT.Component.Base.Clickable.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);
+CTAT.Component.Base.Clickable.prototype.constructor=CTAT.Component.Base.Clickable;var CTATButtonBasedComponent=function(a,g,f,d,c,b,e){CTAT.Component.Base.Clickable.call(this,a,g,f,d,c,b,e);var h=this,l="",m="black";this.setActionInput("ButtonPressed","-1");this.setImage=function(b){h.ctatdebug("assignImage ("+b+")");h.getDivWrap().setAttribute("data-ctat-img",b);b&&(b="url('"+b+"')");$(h.getComponent()).css("background-image",b);$(h.getComponent()).css("background-size","cover")};this.assignImage=function(b){h.ctatdebug("assignImage ()");h.assignImages(b,b,b,b)};this.assignImageURL=
+function(b){h.ctatdebug("assignImageURL ()");h.assignImages(b,b,b,b)};this.assignImages=function(b,a,e,c){h.ctatdebug("assignImages ()");h.getDivWrap().setAttribute("data-ctat-image-hover",b);h.getDivWrap().setAttribute("data-ctat-image-clicked",a);h.getDivWrap().setAttribute("data-ctat-image-default",e);h.getDivWrap().setAttribute("data-ctat-image-disabled",c);this.setImage(e)};this.processBaseMousedown=function(){h.ctatdebug("processMousedown ()");h.component.classList.add("CTAT-button--clicked");
+var b=h.getDivWrap().getAttribute("data-ctat-image-clicked");h.getEnabled()&&b&&void 0!==b&&""!==b&&null!==b&&(h.getComponent().style.backgroundImage="url('"+b+"')")};this.processBaseMouseup=function(){h.ctatdebug("processMouseup ()");h.component.classList.remove("CTAT-button--clicked");var b=h.getDivWrap().getAttribute("data-ctat-image-default");h.getEnabled()&&b&&void 0!==b&&""!==b&&null!==b&&(h.getComponent().style.backgroundImage="url('"+b+"')")};this.processBaseMouseover=function(){h.ctatdebug("processBaseMouseover ()");
+h.component.classList.add("CTAT-button--hover");var b=h.getDivWrap().getAttribute("data-ctat-image-hover");h.getEnabled()&&b&&void 0!==b&&""!==b&&(h.getComponent().style.backgroundImage="url('"+b+"')")};this.processBaseMouseout=function(){h.ctatdebug("processBaseMouseout ()");h.component.classList.remove("CTAT-button--hover");h.component.classList.remove("CTAT-button--clicked");var b=h.getDivWrap().getAttribute("data-ctat-image-default");h.getEnabled()&&b&&void 0!==b&&""!==b&&(h.getComponent().style.backgroundImage=
+"url('"+b+"')")};this.setText=function(b){h.ctatdebug("setText ("+b+")");l=b;null!==h.getComponent()&&(h.getComponent().innerHTML=l)};this.setFontColor=function(b){m=b;$(h.getComponent()).css("color",b)};this.getFontColor=function(){return m};this.setStyleHandler("labelText",this.setText);this.getText=function(){return l};this.processClick=function(b){h.ctatdebug("processClick ("+b.currentTarget.getAttribute("id")+" -> "+b.eventPhase+")");!0===h.getEnabled()?(null!==CTATGlobals.Tab.Focus&&("CTATTextArea"==
+CTATGlobals.Tab.Focus.getClassName()||"CTATTextInput"==CTATGlobals.Tab.Focus.getClassName()||"CTATTextField"==CTATGlobals.Tab.Focus.getClassName()?CTATGlobals.Tab.Focus.processAction():h.ctatdebug("Info: CTATGlobals.Tab.Focus==null")),b=$(h.getDivWrap()).attr("value"),h.setInput(b?b:"-1"),h.processAction()):h.ctatdebug("Component is disabled, not grading")};this.ButtonPressed=function(){}};CTATButtonBasedComponent.prototype=Object.create(CTAT.Component.Base.Clickable.prototype);
+CTATButtonBasedComponent.prototype.constructor=CTATButtonBasedComponent;CTAT.ComponentRegistry={};CTAT.ComponentRegistry.addComponentType=function(){};Object.defineProperty(CTAT.ComponentRegistry,"addComponentType",{enumerable:!1,value:function(a,g){"string"==typeof a&&(this.hasOwnProperty(a)?alert(a+" is already a registered component"):this[a]=g)}});var CTATAudioButton=function(a,g,f,d,c){CTATButtonBasedComponent.call(this,"CTATAudioButton","audiobutton",a,g,f,d,c);var b=this;b.setActionInput("play","-1");var e=null,h="",l=CTATConfiguration.get("previewMode");this.setSource=function(b){this.getDivWrap().setAttribute("data-ctat-src",b);return this};this.getSource=function(){return this.getDivWrap().getAttribute("data-ctat-src")};this.setParameterHandler("SoundFile",this.setSource);this.init=function(){var a=document.createElement("button");a.value=
+"-1";a.name=b.getName();a.setAttribute("id",CTATGlobalFunctions.gensym.div_id());a.setAttribute("onkeypress","return noenter(event)");a.classList.add("CTAT-button");if(this.getDivWrap().getAttribute("data-ctat-label"))a.textContent=this.getDivWrap().getAttribute("data-ctat-label");else if(b.getText())a.textContent=b.getText();else if(b.getDivWrap()&&b.getDivWrap().innerHTML&&!l){var c=b.getDivWrap().innerHTML;b.getDivWrap().innerHTML="";a.innerHTML=c}b.setInitialized(!0);b.setComponent(a);b.addComponentReference(b,
+a);b.getDivWrap().appendChild(a);b.ctatdebug("Final location: "+b.getX()+","+b.getY()+" with text: "+b.getText());l||(a.addEventListener("click",b.processClick),a.addEventListener("focus",b.processFocus));e=document.createElement("audio");e.addEventListener("canplay",function(){b.ctatdebug("Audio loaded and ready for play");""!==h&&(b.logAudioEvent(h),h="")},!0);e.onended=function(){b.ctatdebug("Audio ended");b.logAudioEvent("end")};this.getDivWrap().appendChild(e)};this.getConfigurationActions=function(){var b=
+[],a;0<this.component.innerHTML.trim().length&&(a=new CTATSAI,a.setSelection(this.getName()),a.setInput(this.component.innerHTML.toString()),a.setAction("setText"),b.push(a));0<this.getSource().trim().length&&(a=new CTATSAI,a.setSelection(this.getName()),a.setInput(this.getSource()),a.setAction("setSource"),b.push(a));return b};this.reset=function(){b.configFromDescription();b.processSerialization();b.setEnabled(!0);h="reset"};this.logAudioEvent=function(a){b.ctatdebug("logAudioEvent ("+a+")");if(void 0!==
+e.duration)if(null!==CTATCommShell.commShell){a=new CTATSAI(b.getName(),a,b.toHHMMSS(e.currentTime)+".000","");a.addSelection(encodeURIComponent(e.currentSrc),"media_file");a.addSelection(b.toHHMMSS(e.duration)+".000","clip_length");var c=a.getInputObject();null!==c&&c.setType("time");CTATCommShell.commShell.processComponentAction(a,!1,!0,b,"AUDIO_ACTION","USER")}else b.ctatdebug("Error: commShell is null, can't send untutored tool message");else b.ctatdebug("Error: audio file not loaded yet, can't obtain duration")};
+this.processClick=function(a){b.ctatdebug("processClick ("+a.currentTarget.getAttribute("id")+" -> "+a.eventPhase+")");!0===b.getEnabled()?(a=this.getSource(),b.ctatdebug("Playing audio file: "+a),e.setAttribute("src",a),e.play(),h="play",b.processAction()):b.ctatdebug("Component is disabled, not grading")}.bind(this);this.play=function(){b.ctatdebug("play");var a=this.getSource();e.setAttribute("src",a);e.load();e.play();h="play"};this.playClip=function(a){b.ctatdebug("playClip");e.setAttribute("src",
+a);e.load();e.play();h="play"};this.pause=function(){b.ctatdebug("pause");e.pause();h="pause"}};CTATAudioButton.prototype=Object.create(CTATButtonBasedComponent.prototype);CTATAudioButton.prototype.constructor=CTATAudioButton;CTAT.ComponentRegistry.addComponentType("CTATAudioButton",CTATAudioButton);var CTATButton=function(a,g,f,d,c){CTATButtonBasedComponent.call(this,"CTATButton","aButton",a,g,f,d,c);var b=this,e=null,h=CTATConfiguration.get("previewMode");this.init=function(){b.ctatdebug("init ("+b.getName()+")");b.setActionInput("ButtonPressed","-1");e=document.createElement("button");e.type="button";e.name=b.getName();e.value=$(this.getDivWrap()).attr("value")||"-1";this.setInput(e.value);e.id=CTATGlobalFunctions.gensym.div_id();e.setAttribute("onkeypress","return noenter(event)");e.classList.add("CTAT-button");
+b.setInitialized(!0);if(b.getDivWrap().getAttribute("data-ctat-label"))e.innerHTML=b.getDivWrap().getAttribute("data-ctat-label");else if(b.getText())e.innerHTML=b.getText();else if(b.getDivWrap()&&b.getDivWrap().innerHTML&&!h){var a=b.getDivWrap().innerHTML;b.getDivWrap().innerHTML="";e.innerHTML=a}b.setComponent(e);b.addComponentReference(b,e);b.getDivWrap().appendChild(e);e.addEventListener("click",b.processClick);e.addEventListener("focus",b.processFocus);e.addEventListener("mousedown",this.processBaseMousedown);
+e.addEventListener("mouseup",this.processBaseMouseup);e.addEventListener("mouseover",b.processBaseMouseover);e.addEventListener("mouseout",b.processBaseMouseout)}.bind(this);this.render=function(){};this.getConfigurationActions=function(){var b=[],a;0<e.innerHTML.trim().length&&(a=new CTATSAI,a.setSelection(this.getName()),a.setInput(e.innerHTML.toString()),a.setAction("setText"),b.push(a));return b};this.reset=function(){b.configFromDescription();b.processSerialization();b.setEnabled(!0)}};
+CTATButton.prototype=Object.create(CTATButtonBasedComponent.prototype);CTATButton.prototype.constructor=CTATButton;CTAT.ComponentRegistry.addComponentType("CTATButton",CTATButton);var CTATCheckBox=function(a,g,f,d,c){CTAT.Component.Base.Clickable.call(this,"CTATCheckBox","__undefined__",a,g,f,d,c);var b=null,e=null,h=CTATConfiguration.get("previewMode");this.setStyleHandler("inspBackgroundColor",null);this.setStyleHandler("BackgroundColor",null);this.setStyleHandler("DrawBorder",null);this.setStyleHandler("showBorder",null);this.setStyleHandler("BorderColor",null);this.setStyleHandler("TextAlign",null);var l=this;this.setSelection(this.getComponentGroup());this.setAction("UpdateCheckBox");
+this.getCheckBox=function(){return b};this.setStyleHandler("labelPlacement",null);var m=function(b){this.updateSAI();this.processClick(b)};this.init=function(){l.setInitialized(!0);b=document.createElement("input");b.type="checkbox";b.setAttribute("id",this.getName()+"_check");b.classList.add("CTATCheckBox--button");this.getText()?b.value=l.getText():this.getDivWrap()&&this.getDivWrap().textContent?b.value=this.getDivWrap().textContent:b.value=b.id;this.getComponentGroup()?b.name=l.getComponentGroup():
+this.getDivWrap()&&$(this.getDivWrap()).attr("name")?b.name=$(this.getDivWrap()).attr("name"):b.name="checkBoxGroup";!0===l.getEnabled()?b.disabled=!1:b.disabled=!0;l.ctatdebug("Final location: "+l.getX()+","+l.getY()+" with text: "+l.getText());l.addComponentReference(l,b);if(!h){var a=this.getDivWrap().innerHTML;this.getDivWrap().innerHTML=""}$(l.getDivWrap()).append(b);e=document.createElement("label");e.htmlFor=b.id;e.classList.add("CTATCheckBox--label");this.getText()?e.textContent=this.getText():
+a&&!h?e.innerHTML=a:this.getDivWrap().getAttribute("data-ctat-label")&&this.setText(this.getDivWrap().getAttribute("data-ctat-label"));$(this.getDivWrap()).append(e);l.setComponent(b);b.addEventListener("click",m.bind(this));b.addEventListener("focus",l.processFocus);b.onfocus=this.processOnFocus;this.setSelection(this.getComponentGroup())};this.resize=function(){var b=$(this.getDivWrap()).height();$(e).css("font-size",b-5+"px");$(this.getComponent()).css("height",b-10+"px");$(this.getComponent()).css("width",
+b-10+"px")};this.getConfigurationActions=function(){var b=[],a;0<e.innerHTML.trim().length&&(a=new CTATSAI,a.setSelection(this.getName()),a.setInput(e.innerHTML.toString()),a.setAction("setText"),b.push(a));return b};var n=this.setText;this.setText=function(a){l.ctatdebug("setText ("+a+")");n(a);b&&(b.value=a,e.innerHTML=a)};this.setStyleHandler("labelText",this.setText);var p=this.setEnabled;this.setEnabled=function(a){p(a);b&&(b.disabled=!this.getEnabled())};this.getCheckBoxInput=function(){return e.innerHTML+
+": "+b.checked};this.reset=function(){b.checked=!1;l.setEnabled(!0)};this.UpdateCheckBox=function(a){var e=new RegExp("(^|;)"+CTATCheckBox.escape(b.value)+"\\s*:\\s*true");b.checked=0<=a.search(e)};this.SetSelected=function(a){a=CTATGlobalFunctions.toBoolean(a);b.checked=a};this.updateSAI=function(){var a=$("."+this.getClassName()+'[data-ctat-component]:has(input[type="checkbox"][name="'+b.name+'"])').sort(function(b,a){var e=b.id,c=a.id;return e>c?1:e<c?-1:0}),a=$.map(a,function(b){b=$(b).data("CTATComponent").getCheckBox();
+return b.value+": "+b.checked});this.setSelection(b.name);this.setAction("UpdateCheckBox");this.setInput(a.join(";"))};var v=function(a){e.classList.add(a);b.classList.add(a)},q=function(a){e.classList.remove(a);b.classList.remove(a)};this.showCorrect=function(b){q("CTAT--incorrect");q("CTAT--hint");v("CTAT--correct")};this.removeCorrect=q.bind(this,"CTAT--correct");this.showInCorrect=function(b){q("CTAT--correct");q("CTAT--hint");v("CTAT--incorrect")};this.removeInCorrect=q.bind(this,"CTAT--incorrect");
+this.showHintHighlight=function(b){q("CTAT--incorrect");q("CTAT--correct");b?v("CTAT--hint"):q("CTAT--hint")}};CTATCheckBox.prototype=Object.create(CTAT.Component.Base.Clickable.prototype);CTATCheckBox.prototype.constructor=CTATCheckBox;CTATCheckBox.escape=function(a){return a.replace(/[-[\]{}()*+?.,\\^$|#\s\/]/g,"\\$&")};CTAT.ComponentRegistry.addComponentType("CTATCheckBox",CTATCheckBox);var CTATComboBox=function(a,g,f,d,c){CTAT.Component.Base.Clickable.call(this,"CTATComboBox","__undefined__",a,g,f,d,c);var b=this,e=null;this.component=null;var h="",l=CTATConfiguration.get("previewMode");this.setAction("UpdateComboBox");var m=",";a=function(b){m=b;e&&(e.innerHTML="",this.addLabels(n,m))}.bind(this);this.setStyleHandler("SplitCharacter",a);this.data_ctat_handlers["split-on"]=a;var n=null;this.setLabels=function(b){n=b;e&&(e.innerHTML="",this.addLabels(n,m))}.bind(this);this.setStyleHandler("Labels",
+this.setLabels);this.data_ctat_handlers.labels=this.setLabels;var p=null;a=function(b){b=parseInt(b);p=isNaN(b)?null:b;e&&e.setAttribute("size",p)};this.setStyleHandler("DropDownSize",a);this.data_ctat_handlers.size=a;this.setStyleHandler("DropDownWidth",null);this.setNumOptions=a;this.setGradeOnNextClick=function(a){b.ctatdebug("CTATComboBox["+b.getName()+"].setGradeOnNextClick("+a+")");h=a};this.getGradeOnNextClick=function(){b.ctatdebug("CTATComboBox["+b.getName()+"].getGradeOnNextClick() to return "+
+h);return h};this.processAssociatedRules=function(a,e,c){a=a.getProperty("OutOfOrder");b.ctatdebug("CB["+b.getName()+"] processAssociatedRules indicator "+e+", outOfOrder "+a+", tutorAdvice '"+c+"'");e&&"incorrect"==e.toString().toLowerCase()&&(a||c&&c.toString().toLowerCase().includes(" the step you "))&&b.setGradeOnNextClick("at "+(new Date).toString()+": sai "+b.getSAI().toString())};this.init=function(){b.setInitialized(!0);e=document.createElement("select");e.name=b.getName();e.setAttribute("id",
+CTATGlobalFunctions.gensym.div_id());e.setAttribute("onkeypress","return noenter(event)");e.onchange=this.processComboSelection;e.addEventListener("click",function(a){b.ctatdebug("CB["+b.getName()+"].onclick() "+a+", gradeOnNextClickInfo "+b.getGradeOnNextClick());b.getGradeOnNextClick()&&b.processComboSelection()});e.classList.add("CTAT-combobox");p&&!l&&e.setAttribute("size",p);if(!l){var a=this.getDivWrap().innerHTML;this.getDivWrap().innerHTML="";a.trim()&&(e.innerHTML=a)}n&&this.addLabels(n,
+m);!0===b.getEnabled()?e.disabled=!1:e.disabled=!0;b.addComponentReference(b,e);b.setComponent(e);b.getDivWrap().appendChild(e);this.component=e;e.addEventListener("focus",b.processFocus)};this.getConfigurationActions=function(){var b=[];if(n){var a=new CTATSAI;a.setSelection(this.getName());a.setInput(n);a.setAction("setLabels");b.push(a)}return b};this.getHTMLComponent=function(){return e};this.addLabels=function(b,a){for(var e=b.split(a?a:m),c=0;c<e.length;c++)this.addItem(e[c])};this.addBlank=
+function(b){for(var a=0;a<b;a++)this.addItem("")};this.addItem=function(a){b.ctatdebug("addItem ("+a+")");var c=document.createElement("option");c.setAttribute("value",a);c.textContent=a;e.appendChild(c)};this.setFontSize=function(b){isNaN(b)||($(this.getComponent()).css("font-size",b+"px"),this.getDivWrap().setAttribute("data-ctat-font-size",b))};this.valid_selection=function(){return 0<=e.selectedIndex&&!CTATGlobalFunctions.isBlank(e.value)};this.processComboSelection=function(){b.ctatdebug("processComboSelection ()");
+b.setGradeOnNextClick("");b.setInput(e.options[e.selectedIndex].value);b.valid_selection()?b.processAction():this.ctatdebug("Empty component, nothing to grade")};this.UpdateComboBox=function(b){e.value=b};this.updateSAI=function(){b.setInput(e.value)}};CTATComboBox.prototype=Object.create(CTAT.Component.Base.Clickable.prototype);CTATComboBox.prototype.constructor=CTATComboBox;CTAT.ComponentRegistry.addComponentType("CTATComboBox",CTATComboBox);var CTATDoneButton=function(a,g,f,d,c){CTAT.Component.Base.Clickable.call(this,"done","CTATDoneButton",a,g,f,d,c);this.setName("done");this.setClassName("CTATDoneButton");this.setText(CTATGlobals.languageManager.getString("DONE"));this.setStyleHandler("BackgroundColor",null);this.setStyleHandler("TextAlign",null);var b=this;this.init=function(){this.setInitialized(!0);var b=document.createElement("button");b.classList.add("unselectable");b.classList.add("CTAT-done-button");this.setComponent(b);var a=
+document.createElement("div");a.classList.add("CTAT-done-button--content");b.appendChild(a);var c=document.createElement("div");c.textContent="\u2714";c.classList.add("CTAT-done-button--icon");a.appendChild(c);this.getText()&&(c=document.createElement("div"),c.classList.add("CTAT-done-button--text"),c.textContent=this.getText(),a.appendChild(c));this.getDivWrap().appendChild(b);b.addEventListener("mouseenter",function(b){b.target.classList.add("CTAT-done-button--hover")});b.addEventListener("mouseleave",
+function(b){b.target.classList.remove("CTAT-done-button--hover");b.target.classList.remove("CTAT-done-button--clicked")});b.addEventListener("mousedown",function(b){b.target.classList.add("CTAT-done-button--clicked")});b.addEventListener("mouseup",function(b){b.target.classList.remove("CTAT-done-button--clicked")});b.addEventListener("click",function(b){b.target.classList.remove("CTAT-done-button--clicked")});b.addEventListener("click",this.processClick);b.addEventListener("focus",this.processFocus)};
+this.processClick=function(a){b.getEnabled()&&CTATCommShell.commShell&&CTATCommShell.commShell.processDone(b.getCompletionStatus())};this.getCompletionStatus=function(){return this.getDivWrap()?this.getDivWrap().getAttribute("data-ctat-completion-status"):""};this.setCompletionStatus=function(b){this.getDivWrap()&&this.getDivWrap().setAttribute("data-ctat-completion-status",String(b));return this}};CTATDoneButton.prototype=Object.create(CTAT.Component.Base.Clickable.prototype);
+CTATDoneButton.prototype.constructor=CTATDoneButton;CTAT.ComponentRegistry.addComponentType("CTATDoneButton",CTATDoneButton);var CTATDragNDrop=function(){CTAT.Component.Base.Tutorable.call(this,"CTATDragNDrop","aDnD");this.setParameterHandler("groupname",function(b){this.getDivWrap()&&$(this.getDivWrap()).attr("name",b)});this.set_child_limit=function(b){b=parseInt(b);isNaN(b)||$(this.component).attr("data-ctat-max-cardinality",b)};this.setParameterHandler("MaxObjects",this.set_child_limit);this.get_child_limit=function(){var b=parseInt($(this.component).attr("data-ctat-max-cardinality"));return isNaN(b)?-1:b};var a=function(b){return b.split("").reduce(function(b,
+a){b=(b<<5)-b+a.charCodeAt(0);return b&b},0)},g=function(b){var e=$(this).parent().attr("name"),c=$(this).parent().attr("id");b.dataTransfer.setData("ctat/group",e);b.dataTransfer.setData("ctat/source",c);b.dataTransfer.setData("text",this.id);var d=a(this.id);CTATDragNDrop.dragging[d]={id:this.id,group:e,source:c};b.dataTransfer.setData("ctat/id/"+d,d)},f=function(b){for(var a,e=0;e<b.dataTransfer.types.length;e++)if(a=/^ctat\/id\/(.+)$/.exec(b.dataTransfer.types[e]))a=a[1],CTATDragNDrop.dragging.hasOwnProperty(a)&&
+delete CTATDragNDrop.dragging[a]},d=null;this.init=function(){d=this.getDivWrap();if(!$(d).attr("name")){var b=CTATDragNDrop.default_groupname;this.getComponentGroup()&&(b=this.getComponentGroup());$(d).attr("name",b)}this.setComponent(d);CTATComponentReference.add(this,d);CTATConfiguration.get("previewMode")||$(d).children().addClass("CTATDragNDrop--item").attr({unselectable:"on",draggable:!0}).each(function(){this.id||(this.id=CTATGlobalFunctions.gensym.div_id());this.addEventListener("dragstart",
+g,!1);this.addEventListener("dragend",f,!1)});this.component.addEventListener("dragover",function(b){var a=!1;if($(this).data("CTATComponent").getEnabled()){var e=parseInt($(this).attr("data-ctat-max-cardinality"));if((isNaN(e)||0>e||$(this).children().length<e)&&(new Set(b.dataTransfer.types)).has("ctat/group"))if(b.dataTransfer.getData("text"))b.dataTransfer.getData("ctat/group")===$(this).attr("name")&&b.dataTransfer.getData("ctat/source")!==this.id&&(a=!0);else for(var c,e=0;e<b.dataTransfer.types.length;e++)if(c=
+/^ctat\/id\/(.+)$/.exec(b.dataTransfer.types[e]))c=c[1],CTATDragNDrop.dragging.hasOwnProperty(c)&&CTATDragNDrop.dragging[c].group===$(this).attr("name")&&CTATDragNDrop.dragging[c].source!==this.id&&(a=!0)}a&&(b.preventDefault(),b.dataTransfer.effectAllowed="move",b.dataTransfer.dropEffect="move",this.classList.add("CTATDragNDrop--valid-drop"))},!1);this.component.addEventListener("drop",function(b){b.preventDefault();this.classList.remove("CTATDragNDrop--valid-drop");var a=$(this).data("CTATComponent");
+if(a.getEnabled()){var e=b.dataTransfer.getData("text");b.dataTransfer.getData("ctat/source");b=document.getElementById(e);this.appendChild(b);$("#"+e).removeClass("CTAT--correct CTAT--incorrect CTAT--hint");a.setActionInput("Add",e);a.processAction()}},!1);this.component.addEventListener("dragleave",function(b){this.classList.remove("CTATDragNDrop--valid-drop")},!1);this.setInitialized(!0)};this.getConfigurationActions=function(){var b=[],a=[];$(this.component).children().each(function(){a.push($(this).attr("id"))});
+if(0<a.length){var e=new CTATSAI;e.setSelection(this.getName());e.setAction("SetChildren");e.setInput(a.sort().join(";"));b.push(e)}return b};var c=this.setEnabled;this.setEnabled=function(b){c(b);d&&($(d).children().attr("draggable",b),this.getDisableOnCorrect()&&$(d).find(".CTAT--correct").attr("draggable",!1))};this.Add=function(b){b=$("#"+b);0<b.length&&b.appendTo(this.getDivWrap());$(b).hasClass("CTATDragNDrop--item")||($(b).addClass("CTATDragNDrop--item").attr({unselectable:"on",draggable:!0}),
+b.addEventListener("dragstart",g,!1),b.addEventListener("dragend",f,!1))};this.SetChildren=function(b){b.split(";").forEach(function(b){this.Add(b)},this)};this.updateSAI=function(){var b=[];$(this.component).children().each(function(){b.push($(this).attr("id"))});this.setActionInput("SetChildren",b.sort().join(";"))};var b=this.showCorrect.bind(this);this.showCorrect=function(a){switch(a.getAction()){case "Add":this.setEnabled(!0);a=a.getInput();$("#"+a).addClass("CTAT--correct");this.getDisableOnCorrect()&&
+$("#"+a).attr("draggable",!1);break;default:b(a)}};var e=this.showInCorrect.bind(this);this.showInCorrect=function(b){switch(b.getAction()){case "Add":b=b.getInput();$("#"+b).addClass("CTAT--incorrect");break;default:e(b)}}};CTATDragNDrop.dragging={};CTATDragNDrop.default_groupname="DragNDropGroup";CTATDragNDrop.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);CTATDragNDrop.prototype.constructor=CTATDragNDrop;CTAT.ComponentRegistry.addComponentType("CTATDragNDrop",CTATDragNDrop);var CTATDragSource=function(){CTAT.Component.Base.Tutorable.call(this,"CTATDragSource","aDnD");this.setParameterHandler("groupname",function(b){this.getDivWrap()&&$(this.getDivWrap()).attr("name",b)});this.set_child_limit=function(b){b=parseInt(b);isNaN(b)||$(this.component).attr("data-ctat-max-cardinality",b)};this.setParameterHandler("MaxObjects",this.set_child_limit);this.get_child_limit=function(){var b=parseInt($(this.component).attr("data-ctat-max-cardinality"));return isNaN(b)?-1:b};this.set_child_overflow=
+function(b){b=parseInt(b);isNaN(b)||$(this.component).attr("data-ctat-max-overflow",b)};this.setParameterHandler("MaxOverflow",this.set_child_overflow);this.get_child_overflow=function(){var b=parseInt($(this.component).attr("data-ctat-max-overflow"));return isNaN(b)?-1:b};this.set_purpose=function(b){b?$(this.component).attr("data-ctat-purpose",b):$(this.component).attr("data-ctat-purpose","destination")};this.setParameterHandler("Purpose",this.set_purpose);this.get_purpose=function(){return $(this.component).attr("data-ctat-purpose")?
+$(this.component).attr("data-ctat-purpose"):"destination"};var a=function(b){return b.split("").reduce(function(b,a){b=(b<<5)-b+a.charCodeAt(0);return b&b},0)},g=function(b){var e=$(this).parent().attr("name"),c=$(this).parent().attr("id");b.dataTransfer.setData("ctat/group",e);b.dataTransfer.setData("ctat/source",c);b.dataTransfer.setData("original",this.id);if("source"===$("#"+c).attr("data-ctat-purpose")){var d=this.id+"--"+CTATGlobalFunctions.gensym.div_id().slice(7);b.dataTransfer.setData("text",
+d);var f=a(d);b.dataTransfer.setData("ctat/id/"+f,f);CTATDragSource.dragging[f]={id:d,group:e,source:c}}else b.dataTransfer.setData("text",this.id),f=a(this.id),b.dataTransfer.setData("ctat/id/"+f,f),CTATDragSource.dragging[f]={id:this.id,group:e,source:c}},f=function(b){for(var a,e=0;e<b.dataTransfer.types.length;e++)if(a=/^ctat\/id\/(.+)$/.exec(b.dataTransfer.types[e]))a=a[1],CTATDragSource.dragging.hasOwnProperty(a)&&delete CTATDragSource.dragging[a]},d=this;d.setDisabled=function(b){try{if("button"!==
+b.type&&(b.disabled=!0),0<b.children.length)for(var a=0;a<b.children.length;a++)d.setDisabled(b.children[a])}catch(n){}};d.removeDisabled=function(b){b.disabled=!1;if(0<b.children.length)for(var a=0;a<b.children.length;a++)d.removeDisabled(b.children[a])};d.animatedRemove=function(b){$("#"+b).animate({opacity:.1,zoom:1.3},500,"swing",function(){var a=document.getElementById(b);a.parentNode.removeChild(a)})};var c=null;this.init=function(){c=this.getDivWrap();if(!$(c).attr("name")){var b=CTATDragSource.default_groupname;
+this.getComponentGroup()&&(b=this.getComponentGroup());$(c).attr("name",b)}this.setComponent(c);CTATComponentReference.add(this,c);CTATConfiguration.get("previewMode")||$(c).children().addClass("CTATDragSource--item").attr({unselectable:"on",draggable:!0}).each(function(){this.id||(this.id=CTATGlobalFunctions.gensym.div_id());this.addEventListener("dragstart",g,!1);this.addEventListener("dragend",f,!1)});"source"===c.getAttribute("data-ctat-purpose")&&(window.onload=function(){d.setDisabled(c)});
+this.component.addEventListener("dragover",function(b){var a=!1;if($(this).data("CTATComponent").getEnabled()){var e=parseInt($(this).attr("data-ctat-max-cardinality"));if((isNaN(e)||0>e||$(this).children().length<e)&&(new Set(b.dataTransfer.types)).has("ctat/group"))if(b.dataTransfer.getData("text"))b.dataTransfer.getData("ctat/group")===$(this).attr("name")&&b.dataTransfer.getData("ctat/source")!==this.id&&(a=!0);else for(var c,e=0;e<b.dataTransfer.types.length;e++)if(c=/^ctat\/id\/(.+)$/.exec(b.dataTransfer.types[e]))c=
+c[1],CTATDragSource.dragging.hasOwnProperty(c)&&CTATDragSource.dragging[c].group===$(this).attr("name")&&CTATDragSource.dragging[c].source!==this.id&&(a=!0)}"source"===$(b.target).attr("data-ctat-purpose")&&(a=!1);a&&(b.preventDefault(),b.dataTransfer.effectAllowed="move",b.dataTransfer.dropEffect="move",this.classList.add("CTATDragSource--valid-drop"))},!1);this.component.addEventListener("drop",function(b){b.preventDefault();this.classList.remove("CTATDragSource--valid-drop");var a=$(this).data("CTATComponent");
+if(a.getEnabled()){var e=b.dataTransfer.getData("text"),c;document.getElementById(e)&&(c=document.getElementById(e),this.appendChild(c));if(!document.getElementById(e)){b=document.getElementById(b.dataTransfer.getData("original"));c=b.cloneNode(!1);this.append(c);c.id=e;c.addEventListener("dragstart",g,!1);c.addEventListener("dragend",f,!1);var h,m=/(CTAT[A-z]*)(\s|$)/g.exec(c.className);if(m)for(var l=0;l<m.length;l++)CTAT.ComponentRegistry[m[l]]&&(h=m[l]);h&&CTATTutor.initializeHTMLComponent(c,
+h);c.setAttribute("draggable",!0);c.setAttribute("unselectable","on");h=b.childNodes.length;m=c.childNodes.length;b.classList.remove("CTAT--correct");b.classList.remove("CTAT--incorrect");b.classList.remove("CTAT--hint");if(m===h)for(l=0;l<m;l++)c.childNodes[l].setAttribute("class",b.childNodes[l].className),c.childNodes[l].setAttribute("value",b.childNodes[l].value),c.childNodes[l].innerHTML=b.childNodes[l].innerHTML;if(h!==m){for(;c.hasChildNodes();)c.removeChild(c.lastChild);for(l=0;l<h;l++)c.appendChild(b.childNodes[l].cloneNode(!0))}}"trashcan"===
+$(this).attr("data-ctat-purpose")&&this.removeChild(c);"source"===$(this).attr("data-ctat-purpose")&&this.removeChild(c);"destination"!==$(this).attr("data-ctat-purpose")&&$(this).attr("data-ctat-purpose")||($("#"+c.id).removeClass("CTAT--correct CTAT--incorrect CTAT--hint"),d.removeDisabled(c),a.setActionInput("Add",e),a.processAction(),null!==$(this).attr("data-ctat-max-overflow")&&this.childNodes.length>$(this).attr("data-ctat-max-overflow")&&d.animatedRemove(this.firstChild.id))}},!1);this.component.addEventListener("dragleave",
+function(b){this.classList.remove("CTATDragSource--valid-drop")},!1);this.setInitialized(!0)};this.getConfigurationActions=function(){var b=[],a=[];$(this.component).children().each(function(){a.push($(this).attr("id"))});if(0<a.length){var e=new CTATSAI;e.setSelection(this.getName());e.setAction("SetChildren");e.setInput(a.sort().join(";"));b.push(e)}return b};var b=this.setEnabled;this.setEnabled=function(a){b(a);c&&($(c).children().attr("draggable",a),this.getDisableOnCorrect()&&$(c).find(".CTAT--correct").attr("draggable",
+!1))};this.Add=function(b){b=$("#"+b);0<b.length&&b.appendTo(this.getDivWrap());$(b).hasClass("CTATDragSource--item")||($(b).addClass("CTATDragSource--item").attr({unselectable:"on",draggable:!0}),b.addEventListener("dragstart",g,!1),b.addEventListener("dragend",f,!1))};this.SetChildren=function(b){b.split(";").forEach(function(b){this.Add(b)},this)};this.updateSAI=function(){var b=[];$(this.component).children().each(function(){b.push($(this).attr("id"))});this.setActionInput("SetChildren",b.sort().join(";"))};
+var e=this.showCorrect.bind(this);this.showCorrect=function(b){switch(b.getAction()){case "Add":this.setEnabled(!0);b=b.getInput();$("#"+b).addClass("CTAT--correct");this.getDisableOnCorrect()&&$("#"+b).attr("draggable",!1);break;default:e(b)}};var h=this.showInCorrect.bind(this);this.showInCorrect=function(b){switch(b.getAction()){case "Add":b=b.getInput();$("#"+b).addClass("CTAT--incorrect");break;default:h(b)}}};CTATDragSource.dragging={};CTATDragSource.default_groupname="DragNDropGroup";
+CTATDragSource.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);CTATDragSource.prototype.constructor=CTATDragSource;CTAT.ComponentRegistry.addComponentType("CTATDragSource",CTATDragSource);CTAT.Math={LeastCommonMultiple:function(a,g){return a*g/CTAT.Math.GreatestCommonDivisor(a,g)},GreatestCommonDivisor:function(a,g){if(0>a||0>g)return CTAT.Math.GreatestCommonDivisor(Math.abs(a),Math.abs(g));if(1===a||1===g)return 1;if(0===a)return g;if(0===g)return a;var f=function(a,c){return c?f(c,a%c):a};return f(a,g)},round10:function(a,g){if("undefined"===typeof g||0===Number(g))return Math.round(a);a=Number(a);g=Number(g);if(isNaN(a)||"number"!==typeof g||0!==g%1)return NaN;a=a.toString().split("e");
+a=Math.round(Number(a[0])+"e"+(a[1]?Number(a[1])-g:-g));a=a.toString().split("e");return Number(a[0]+"e"+(a[1]?Number(a[1])+g:g))},precision:4,round:function(a){return CTAT.Math.round10(a,-CTAT.Math.precision)},rad2deg:function(a){return CTAT.Math.round(180*a/Math.PI)},deg2rad:function(a){return a*Math.PI/180}};CTAT.Math.Fraction=function(a,g){this._numerator=0;this._denominator=1;this.set(a,g)};
+CTAT.Math.Fraction.prototype=Object.create(CTAT.Math.Fraction.prototype,{numerator:{get:function(){return this._numerator},set:function(a){this._numerator=a}},denominator:{get:function(){return this._denominator},set:function(a){this._denominator=a}},toString:{value:function(){return 1===this.denominator?String(this._numerator):String(this._numerator)+"/"+String(this._denominator)}},valueOf:{value:function(){return this.numerator/this.denominator}},fromString:{value:function(a){var g=a.match(/(\d*\.?\d*)\s*\/\s*(\d*\.?\d*)/);
+g?(this._numerator=Number(g[1]),this._denominator=Number(g[2])):this.fromValue(a)}},fromValue:{value:function(a){this._numerator=Number(a.valueOf());this._denominator=1}},toMathML:{value:function(){var a=document.createElementNS("http://www.w3.org/1998/Math/MathML","math"),g=document.createElementNS("http://www.w3.org/1998/Math/MathML","mn");g.textContent=this.numerator;if(1==this.denominator)a.appendChild(g);else{var f=document.createElementNS("http://www.w3.org/1998/Math/MathML","mfrac"),d=document.createElementNS("http://www.w3.org/1998/Math/MathML",
+"mrow");d.appendChild(g);f.appendChild(d);g=document.createElementNS("http://www.w3.org/1998/Math/MathML","mrow");d=document.createElementNS("http://www.w3.org/1998/Math/MathML","mn");d.textContent=this.denominator;g.appendChild(d);f.appendChild(g);a.appendChild(f)}return a}},is_proper:{get:function(){return Math.abs(this._numerator)<Math.abs(this._denominator)}},whole_part:{get:function(){return Math.floor(this.valueOf())}},remainder_part:{get:function(){return new CTAT.Math.Fraction(this._numerator%
+this._denominator,this._denominator)}},set_denominator:{value:function(a){this._numerator=this.numerator*a/this.denominator;1E-9>Math.abs(this.numerator-Math.round(this.numerator))&&(this.numerator=Math.round(this.numerator));this._denominator=a;return this}},scale:{value:function(a){this._numerator*=a;this._denominator=0===a?1:Math.abs(this._denominator*a)}},set:{value:function(a,g){this._numerator=0;this._denominator=1;"undefined"!==typeof a&&g?(this.numerator="number"===typeof a?a:"string"===typeof a?
+Number(a):a?a.valueOf():0,this.denominator="number"===typeof g?g:"string"===typeof g?Number(g):g.valueOf()):a&&(a instanceof CTAT.Math.Fraction?(this.numerator=a.numerator,this.denominator=a.denominator):"number"===typeof a?(this.numerator=a,this.denominator=1):"string"===typeof a?this.fromString(a):(this.numerator=a?a.valueOf():0,this.denominator=1));isNaN(this._numerator)&&(this._numerator=0);isNaN(this._denominator)&&(this._denominator=1);return this}},reduce:{value:function(){var a=CTAT.Math.GreatestCommonDivisor(this.numerator,
+this.denominator);this._numerator/=a;this._denominator/=a;return this}},reduced:{value:function(){var a=new CTAT.Math.Fraction(this);a.reduce();return a}},reciprocal:{value:function(){return new CTAT.Math.Fraction(this.denominator,this.numerator)}},negative:{value:function(){return new CTAT.Math.Fraction(-this.numerator,this.denominator)}},add:{value:function(a){var g=new CTAT.Math.Fraction;a instanceof CTAT.Math.Fraction?0===this.numerator||isNaN(this.numerator)?g.set(a.numerator,a.denominator):
+0===a.numerator||isNaN(a.numerator)?g.set(this.numerator,this.denominator):this.denominator==a.denominator?g.set(this.numerator+a.numerator,this.denominator):(g.set(this.numerator*a.denominator+a.numerator*this.denominator,this.denominator*a.denominator),g.reduce()):"string"===typeof a?(a=new CTAT.Math.Fraction(a),g=this.add(a)):g.set(a.valueOf()*this.denominator+this.numerator,this.denominator);return g}},subtract:{value:function(a){return a instanceof CTAT.Math.Fraction?this.add(a.negative()):"string"===
 typeof a?(a=new CTAT.Math.Fraction(a),this.add(a.negative())):this.add(-a.valueOf())}},multiply:{value:function(a){a instanceof CTAT.Math.Fraction?(a=new CTAT.Math.Fraction(this.numerator*a.numerator,this.denominator*a.denominator),a.reduce()):"string"===typeof a?(a=new CTAT.Math.Fraction(a),a=this.multiply(a)):(a=new CTAT.Math.Fraction(a.valueOf()*this.numerator,this.denominator),a.reduce());return a}},divide:{value:function(a){return a instanceof CTAT.Math.Fraction?this.multiply(a.reciprocal()):
 "string"===typeof a?(a=new CTAT.Math.Fraction(a),this.multiply(a.reciprocal())):this.multiply(new CTAT.Math.Fraction(1,a.valueOf()))}},equals:{value:function(a){return CTAT.Math.round(this.valueOf())===CTAT.Math.round(a.valueOf())}},deepEquals:{value:function(a){return a instanceof CTAT.Math.Fraction&&this.numerator===a.numerator&&this.denominator===a.denominator}},clone:{value:function(){return new CTAT.Math.Fraction(this.numerator,this.denominator)}}});
-CTAT.Math.Fraction.FromString=function(a){var b=new CTAT.Math.Fraction;b.setFromString(String(a));return b};CTAT.Math.Fraction.FromNumber=function(a){a=new CTAT.Math.Fraction(a);a.reduce();return a};CTAT.Math.Fraction.Sum=function(){for(var a=new CTAT.Math.Fraction,b=0;b<arguments.length;b++)a=a.add(arguments[b]);return a};CTAT.Math.Fraction.Product=function(){for(var a=new CTAT.Math.Fraction(1,1),b=0;b<arguments.length;b++)a=a.multiply(arguments[b]);return a};CTAT.Component.Base.SVG=function(a,b,e,g,d,c,f){CTAT.Component.Base.Clickable.call(this,a,b,e,g,d,c,f);var h=null;this.initSVG=function(){this.setInitialized(!0);var a=CTATGlobals.NameSpace.svg,b=CTATGlobals.NameSpace.xml,c=CTATGlobals.NameSpace.xlink,d=CTATGlobals.NameSpace.ev,f=document.createDocumentFragment();h=document.createElementNS(a,"svg");f.appendChild(h);h.classList.add("CTAT-gen-component");h.classList.add("CTAT-svg");h.classList.add("unselectable");h.setAttributeNS(b,"xmlns",a);h.setAttributeNS(b,
-"xmlns:xlink",c);h.setAttributeNS(b,"xmlns:ev",d);a=document.createElementNS(a,"defs");h.appendChild(a);this.getDivWrap().appendChild(f);this.setComponent(h)};this.genName=function(a){return this.getName()+"_"+a};this.getBoundingBox=function(){var a=new DOMRect(0,0,this.getWidth(),this.getHeight()),b=this.getComponent(),c=window.getComputedStyle(b),b=parseInt(c.getPropertyValue("padding-left")),d=parseInt(c.getPropertyValue("padding-right")),f=parseInt(c.getPropertyValue("padding-bottom")),e=parseInt(c.getPropertyValue("padding-right")),
-g=parseInt(c.getPropertyValue("border-left-width")),h=parseInt(c.getPropertyValue("border-right-width")),B=parseInt(c.getPropertyValue("border-bottom-width")),c=parseInt(c.getPropertyValue("border-right-width"));a.width-=b+e+g+c;a.height-=d+f+h+B;return a}};CTAT.Component.Base.SVG.prototype=Object.create(CTAT.Component.Base.Clickable.prototype);CTAT.Component.Base.SVG.prototype.constructor=CTAT.Component.Base.SVG;CTAT.Component.Base.UnitDisplay=function(a,b,e,g,d,c,f){CTAT.Component.Base.SVG.call(this,a,b,e,g,d,c,f);var h="1/2+1/4+(0*1/8)";this.setActionInput("SetPieces",h);var m="#800080";this.color=m;var l=1;this.colorAlpha=l;var q="#800080";this.deselectedColor=q;var p=.3;this.deselectedColorAlpha=p;var u="black";this.piece_border_color=u;this.piece_border_thickness=1;this.getPieceBorderColor=function(){return u};this.setPieceBorderColor=function(a){u=CTATGlobalFunctions.formatColor(a);return this};var r=
-[],w=this;this.generateClassname=function(){return this.getName()+" UnitPart"};this.getPieces=function(){return r};var n=function(a){if(a.hasAttributeNS(null,"data-selected"))return CTATGlobalFunctions.toBoolean(a.getAttributeNS(null,"data-selected"));a.setAttributeNS(null,"data-selected",!0);return!0};this.getPiecesBySelected=function(a){for(var b=this.getPieces(),c=[],d,f=0;f<b.length;f++)d=b[f],n(d)===a&&c.push(d);return c};this.getSelectedPieces=this.getPiecesBySelected.bind(this,!0);this.getDeselectedPieces=
-this.getPiecesBySelected.bind(this,!1);this.getColor=function(){return m};this.getColorAlpha=function(){return l};this.getDeselectedColor=function(){return q};this.getDeselectedColorAlpha=function(){return p};this.setColor=function(a){this.color=m=CTATGlobalFunctions.formatColor(a);a=this.getSelectedPieces();for(var b=0;b<a.length;b++)$(a[b]).css("fill",m)};this.setColorAlpha=function(a){l=Number(a);this.colorAlpha=l=isNaN(l)?1:l;a=this.getSelectedPieces();for(var b=0;b<a.length;b++)$(a[b]).css("fill-opacity",
-l)};this.setDeselectedColor=function(a){this.deselectedColor=q=CTATGlobalFunctions.formatColor(a);a=this.getDeselectedPieces();for(var b=0;b<a.length;b++)$(a[b]).css("fill",m)};this.setDeselectedColorAlpha=function(a){p=Number(a);isNaN(p)&&(p=.3);this.deselectedColorAlpha=p;a=this.getDeselectedPieces();for(var b=0;b<a.length;b++)$(a[b]).css("fill-opacity",p)};this.valueOf=function(){return this.evaluate()};this.getValue=function(){return h};this.setValue=function(a){h=String(a);this.setInput(h);this.clear();
-this.drawPieces();return h};this.setParameterHandler("Value",this.setValue);this.data_ctat_handlers.value=function(a){this.setValue(a)};this.drawPieces=function(){};this.evaluate=function(){return this.parseValue().reduce(function(a,b){return b.selected?a.add(b):a},new CTAT.Math.Fraction)};this.numActive=function(){return this.getSelectedPieces().length};this.parseValue=function(){var a=[];h.split("+").forEach(function(b){var c=!0;-1!=b.search(/(\(\s*0\s*\*)|(\*\s*0\s*\))/)&&(c=!1,b=b.replace(/(\(\s*0\s*\*)|(\*\s*0\s*\))/,
-""),b=b.replace(/[() ]/g,""));b=new CTAT.Math.Fraction(b);b.selected=c;0<b&&a.push(b);return b});return a};this.updateValue=function(){return h=this.getPieces().map(function(a){return y(a.getAttributeNS(null,"data-value"),CTATGlobalFunctions.toBoolean(a.getAttributeNS(null,"data-selected")))}).join("+")};var B=function(a,b){var c=CTATGlobalFunctions.toBoolean(b);CTATGlobalFunctions.toBoolean(a.getAttributeNS(null,"data-selected"));!0===c?(a.setAttributeNS(null,"data-selected",!0),$(a).css("fill",
-w.color),$(a).css("fill-opacity",w.colorAlpha)):($(a).css("fill",w.deselectedColor),$(a).css("fill-opacity",w.deselectedColorAlpha),a.setAttributeNS(null,"data-selected",!1))};this.clickHandler=function(a){!0===w.getEnabled()&&(a=CTATGlobalFunctions.toBoolean(this.getAttributeNS(null,"data-selected")),B(this,!a),w.setActionInput("SetPieces",w.updateValue()),w.processAction())};this.updateSAI=function(){w.setActionInput("SetPieces",w.updateValue())};this.addPieceElem=function(a,b,c){a.setAttributeNS(null,
-"data-selected",c);a.setAttributeNS(null,"data-value",b.toString());a.dataValue=b;this.getEnabled()&&(a.style.cursor="pointer");a.addEventListener("click",this.clickHandler);r.push(a)};var v=this.setEnabled;this.setEnabled=function(a){v(a);r.forEach(function(b){b.style.cursor=a?"pointer":"default"})};this.clear=function(){r=[]};var y=function(a,b){var c=a.toString();!1===b&&(c="(0*"+c+")");return c};this.AddPiece=function(a,b){if(a){var c=new CTAT.Math.Fraction(a);if(0<CTAT.Math.round(c.valueOf())){var d=
-h.split("+");d.push(y(c,b));w.setValue(d.join("+"))}}};this.AddToValue=function(a,b){if(a){var c=new CTAT.Math.Fraction(a);if(0<CTAT.Math.round(c.valueOf())){var d=h.split("+");d.push(y(c,b));h=d.join("+")}}return h};var A=-1,F=function(a){isNaN(a)&&this.get_denominator();a=Math.max(a,1);1<A&&(a=Math.min(a,A));return a}.bind(this);this.set_max_denominator=function(a){a=parseInt(a);isNaN(a)||(A=a)};this.set_denominator=function(a){w.setHintHighlight(!1);var b="string"===typeof a?parseInt(a):a;if(!isNaN(b)&&
-(b=F(b),this.get_denominator()!=a)){var c=w.evaluate();w.clear();a=[];c.set_denominator(b);for(var d=new CTAT.Math.Fraction(1,b),f=Math.floor(c.numerator),e=b-f,g=0;g<f;g++)a.push(y(d,!0));b=new CTAT.Math.Fraction(c.numerator-f,b);b.equals(0)||(a.push(y(b,!0)),a.push(y(d.subtract(b),!1)),e--);for(b=0;b<e;b++)a.push(y(d,!1));this.setValue(a.join("+"));w.setActionInput("SetPieces",h);w.processAction();return h}};this.get_denominator=function(){return r.reduce(function(a,b,c,d){return Math.min(a,b.dataValue.denominator)},
-Infinity)};this.change_denominator=function(a){return this.set_denominator(this.get_denominator()+Number(a))};this.set_number_pieces=function(a){w.setHintHighlight(!1);a="string"===typeof a?parseInt(a):a;if(!isNaN(a)){a=F(a);var b=w.numActive();w.clear();for(var c=[],d=new CTAT.Math.Fraction(1,a),f=0;f<a;f++)c.push(y(d,0<b)),b--;this.setValue(c.join("+"));w.setActionInput("SetPieces",h);w.processAction();return h}};this.change_number_pieces=function(a){this.set_number_pieces(r.length+a)};this.set_numerator=
-function(a){return this.change_numerator(a-this.getSelectedPieces().length)};this.change_numerator=function(a){0!==a&&(0<a?r.every(function(b){!1===n(b)&&(B(b,!0),a--);return 0<a}):(r.reverse(),r.every(function(b){!0===n(b)&&(B(b,!1),a++);return 0>a}),r.reverse()))};this.SetPieces=function(a){w.setValue(a)};e=function(a){return(a=$(this.getDivWrap()).attr(a))?a.split(/\s*;\s*/).map(function(a){return a.trim()}):[]};a=e.bind(this,"data-ctat-ctrl-denominator");b=e.bind(this,"data-ctat-ctrl-partition");
-e=e.bind(this,"data-ctat-ctrl-numerator");g=function(a,b){return 0<=a().indexOf(b)};var D=g.bind(null,a),x=g.bind(null,b),C=g.bind(null,e),E=function(a){var b=null;if(a instanceof CTAT.Component.Base.Tutorable)a!=this&&(b=a.getName());else if(a instanceof CTATSAI)a.getSelection()!=w.getName()&&(b=a.getSelection());else if(a instanceof String)a!=w.getName()&&(b=a);else if(a instanceof Element)a!=w.getComponent()&&(b=a.id);else return null;if(b){if(D(b))return t.bind(this,this.change_denominator,this.set_denominator);
-if(C(b))return t.bind(this,this.change_numerator,this.set_numerator);if(x(b))return t.bind(this,this.change_number_pieces,this.set_number_pieces)}return null}.bind(this);a=CTAT.Component.Base.Tutorable.EventType;CTATConfiguration.get("previewMode")||document.addEventListener(a.action,function(a){var b=a.detail.sai;a=E(a.detail.component);b&&null!==a&&a(b)},!1);var t=function(a,b,c){var d=parseInt(c.getInput());if(!isNaN(d)){switch(c.getAction()){case "ButtonPressed":a.call(this,d);break;case "Update":case "UpdateTextField":case "UpdateTextArea":b.call(this,
-d)}this.updateSAI();this.processAction()}};this.setNumeratorControllers=function(a){this.getDivWrap().setAttribute("data-ctat-ctrl-numerator",a);return this};this.setParameterHandler("NumeratorControllers",this.setNumeratorControllers);this.setDenominatorControllers=function(a){this.getDivWrap().setAttribute("data-ctat-ctrl-denominator",a);return this};this.setParameterHandler("DenominatorControllers",this.setDenominatorControllers);this.setPartitionControllers=function(a){this.getDivWrap().setAttribute("data-ctat-ctrl-partition",
-a);return this};this.setParameterHandler("PartitionControllers",this.setPartitionControllers);this.getConfigurationActions=function(){var a=this.getDivWrap().getAttribute("data-ctat-value");if(a){var b=new CTATSAI;b.setSelection(this.getName());b.setAction("SetPieces");b.setInput(a);return[b]}this.updateSAI();return[this.getSAI()]}};CTAT.Component.Base.UnitDisplay.prototype=Object.create(CTAT.Component.Base.SVG.prototype);CTAT.Component.Base.UnitDisplay.prototype.constructor=CTAT.Component.Base.UnitDisplay;var CTATFractionBar=function(a,b,e,g,d){CTAT.Component.Base.UnitDisplay.call(this,"CTATFractionBar","aFractionBar",a,b,e,g,d);var c=CTATGlobals.NameSpace.svg;this.init=function(){this.initSVG();this.baseGroup=document.createElementNS(c,"g");this.getComponent().appendChild(this.baseGroup);this.getComponent().classList.add("CTATFractionBar--container");this.drawPieces();this.addComponentReference(this,this.getDivWrap());this.component.addEventListener("focus",this.processFocus)};this.render=function(){this.drawPieces()};
-this.drawPieces=function(){if(this.baseGroup){this.clear();for(var a=this.parseValue(),b=0,d=document.createDocumentFragment(),e=0;e<a.length;e++){var g=a[e],p=100*g,u=document.createElementNS(c,"rect");u.classList.add("CTATFractionBar--piece");u.setAttributeNS(null,"height","100%");u.setAttributeNS(null,"width",p+"%");u.setAttributeNS(null,"y",0);u.setAttributeNS(null,"x",b+"%");this.addPieceElem(u,g,g.selected);d.appendChild(u);var r=document.createElementNS(c,"text");r.classList.add("CTATFractionBar--label");
-r.setAttributeNS(null,"text-anchor","middle");r.setAttributeNS(null,"dominant-baseline","middle");d.appendChild(r);var u=""+String(g.numerator),g=""+String(g.denominator),w=document.createElementNS(c,"tspan"),n=document.createElementNS(c,"tspan");w.appendChild(document.createTextNode(u));n.appendChild(document.createTextNode(g));r.appendChild(w);r.appendChild(n);r=b+p/2;w.setAttributeNS(null,"x",r+"%");w.setAttributeNS(null,"y","60%");w.setAttributeNS(null,"dy","-1em");n.setAttributeNS(null,"x",r+
-"%");n.setAttributeNS(null,"y","60%");u.length>g.length?w.style.textDecoration="underline":n.style.textDecoration="overline";b+=p}this.baseGroup.innerHTML="";this.baseGroup.appendChild(d);var B=this.baseGroup.getBBox().width-1;Array.prototype.slice.call(this.baseGroup.childNodes).forEach(function(a){if("rect"==a.nodeName){var b=window.getComputedStyle(a),c=parseFloat(b.getPropertyValue("padding-left")),d=parseFloat(b.getPropertyValue("stroke-width")),b=a.getBBox();a.setAttributeNS(null,"y",b.y+d/
-2);a.setAttributeNS(null,"height",b.height-d);var f=b.x+d/2,d=b.width-d;1>b.x?d-=c/2:(f+=c/2,d=b.x+b.width>=B?d-c/2:d-c);a.setAttributeNS(null,"x",f);a.setAttributeNS(null,"width",d)}})}};this.setShowFractionLabel=function(a){};this.setStyleHandler("showFractionLabel",this.setShowFractionLabel)};CTATFractionBar.prototype=Object.create(CTAT.Component.Base.UnitDisplay.prototype);CTATFractionBar.prototype.constructor=CTATFractionBar;CTAT.ComponentRegistry.addComponentType("CTATFractionBar",CTATFractionBar);var CTATGroupingComponent=function(a,b,e,g,d){CTAT.Component.Base.SAIHandler.call(this,"CTATGroupingComponent","__undefined__",a,b,e,g,d);var c=this,f=c.executeSAI;this.isTabIndexable=!1;this.getComponentList=function(){var a=[],b=c.getDivWrap().getAttribute("data-ctat-componentlist");b&&(a=b.split(/\s*[,;]\s*/).map(function(a){return $("#"+a.trim()).data("CTATComponent")}));$(c.getDivWrap()).children(".CTATComponent").each(function(){a.push($(this).data("CTATComponent"))});return[].concat($jscomp.arrayFromIterable(new Set(a)))};
-this.init=function(){c.setInitialized(!0)};this.executeSAI=function(a){c.getComponentList().forEach(function(b){null!=b&&b.executeSAI(a)});f.call(c,a)}};CTATGroupingComponent.prototype=Object.create(CTAT.Component.Base.SAIHandler.prototype);CTATGroupingComponent.prototype.constructor=CTATGroupingComponent;CTAT.ComponentRegistry.addComponentType("CTATGroupingComponent",CTATGroupingComponent);var CTATHintButton=function(a,b,e,g,d){CTAT.Component.Base.Clickable.call(this,"hint","CTATHintButton",a,b,e,g,d);this.setName("hint");this.setClassName("CTATHintButton");this.isTabIndexable=!1;this.setText(CTATGlobals.languageManager.getString("HINT"));this.setStyleHandler("BackgroundColor",null);this.setStyleHandler("TextAlign",null);this.setStyleHandler("BorderColor",null);this.setStyleHandler("FontFace",null);this.setStyleHandler("TextColor",null);this.init=function(){this.setInitialized(!0);
-var a=document.createElement("button");this.setComponent(a);a.classList.add("unselectable");a.classList.add("CTAT-hint-button");var b=document.createElement("div");b.classList.add("CTAT-hint-button--icon");b.textContent="?";a.appendChild(b);this.getText()&&(b=document.createElement("div"),b.textContent=this.getText(),a.appendChild(b));this.getDivWrap().appendChild(a);a.addEventListener("mouseenter",function(a){a.target.classList.add("CTAT-hint-button--hover")});a.addEventListener("mouseleave",function(a){a.target.classList.remove("CTAT-hint-button--hover");
-a.target.classList.remove("CTAT-hint-button--clicked")});a.addEventListener("mousedown",function(a){a.target.classList.add("CTAT-hint-button--clicked")});a.addEventListener("mouseup",function(a){a.target.classList.remove("CTAT-hint-button--clicked")});a.addEventListener("click",function(a){a.target.classList.remove("CTAT-hint-button--clicked")});a.addEventListener("click",this.processClick)};var c=this;this.processClick=function(a){c.getEnabled()&&CTATCommShell.commShell&&CTATCommShell.commShell.requestHint()}};
-CTATHintButton.prototype=Object.create(CTAT.Component.Base.Clickable.prototype);CTATHintButton.prototype.constructor=CTATHintButton;CTAT.ComponentRegistry.addComponentType("CTATHintButton",CTATHintButton);var CTATHintWindow=function(a,b,e,g,d){CTAT.Component.Base.Graphical.call(this,"CTATHintWindow","__undefined__",a,b,e,g,d);var c=this;c.isTabIndexable=!1;var f=CTATConfig.parserType_is_XML()?new CTATXML:new CTATJSON,h=new CTATTutorMessageBuilder,m=null,l=null,q=null,p=null,u=CTATGlobals.languageManager.getString("NEXT"),r=CTATGlobals.languageManager.getString("PREVIOUS"),w=null;this.data_ctat_handlers["next-content"]=function(a){w=a;q&&(q.innerHTML=a)};var n=null;this.data_ctat_handlers["previous-content"]=
-function(a){n=a;l&&(l.innerHTML=a)};this.getCurrentHint=function(){return m.innerHTML};this.init=function(){c.ctatdebug("init ("+c.getName()+")");c.setInitialized(!0);c.setIsAbstractComponent(!0);p=this.getDivWrap();p.id||p.setAttribute("id",CTATGlobalFunctions.gensym.div_id());p.setAttribute("onkeypress","return noenter(event)");c.setComponent(p);c.addComponentReference(c,p);m=document.createElement("div");p.appendChild(m);m.classList.add("CTATHintWindow--hint-content");var a=document.createElement("div");
-a.classList.add("CTATHintWindow--hint-button-area");p.appendChild(a);if(n)l=document.createElement("button"),l.classList.add("CTATHintWindow--previous"),l.innerHTML=n;else{l=document.createElement("button");l.classList.add("CTATHintWindow--previous");var b=document.createElement("span");b.classList.add("CTATHintWindow--button-icon");b.textContent="\u25c0";l.appendChild(b);r&&(b.style.cssFloat="left",l.appendChild(document.createTextNode(r)))}l.addEventListener("click",function(a){CTATShellTools.showPrevHint()},
-!1);a.appendChild(l);w?(q=document.createElement("button"),q.classList.add("CTATHintWindow--next"),q.innerHTML=w):(q=document.createElement("button"),q.classList.add("CTATHintWindow--next"),b=document.createElement("span"),b.classList.add("CTATHintWindow--button-icon"),b.textContent="\u25b6",u&&(b.style.cssFloat="right",q.appendChild(document.createTextNode(u))),q.appendChild(b));q.addEventListener("click",function(a){CTATShellTools.showNextHint()},!1);a.appendChild(q);var d=function(a){this.disabled=
-!a;a||(this.classList.remove("CTAT-hint-button--hover"),this.classList.remove("CTAT-hint-button--clicked"))};[l,q].forEach(function(a){a.setEnabled=d.bind(a);a.classList.add("CTATHintWindow--button");a.classList.add("CTAT-hint-button");a.addEventListener("mouseenter",function(a){a.target.classList.add("CTAT-hint-button--hover")});a.addEventListener("mouseleave",function(a){a.target.classList.remove("CTAT-hint-button--hover");a.target.classList.remove("CTAT-hint-button--clicked")});a.addEventListener("mousedown",
-function(a){a.target.classList.add("CTAT-hint-button--clicked")});a.addEventListener("mouseup",function(a){a.target.classList.remove("CTAT-hint-button--clicked")});a.addEventListener("click",function(a){a.target.classList.remove("CTAT-hint-button--clicked")})});CTATShellTools.registerFeedbackComponent(this,this.goNext,this.goPrevious,this.showHint,this.showFeedback);c.ctatdebug("Disabling previous and next ...");l.setEnabled(!1);q.setEnabled(!1)};this.setStyleHandler("OuterBorderColor",this.setBorderColor);
-this.SetText=this.showFeedback=function(a){c.ctatdebug("showFeedback ("+a+")");m&&(m.innerHTML=CTATGlobals.languageManager.filterString(a));l.setEnabled(!1);q.setEnabled(!1)};this.showHint=function(a){c.ctatdebug("showHint ()");null===a?(hints=a,hintIndex=0,m.innerHTML="",l.setEnabled(!1),q.setEnabled(!1)):(hints=a,hintIndex=0,this.setEnabled(!0),l.setEnabled(!1),q.setEnabled(!1),hints?""===hints[hintIndex]?c.ctatdebug("Empty hint in list, bump"):(m.innerHTML=CTATGlobals.languageManager.filterString(hints[hintIndex]),
-1<hints.length?(c.ctatdebug("We have more than one hint, enabling next button"),q.setEnabled(!0)):c.ctatdebug("We only have one hint, leaving next button disabled")):c.ctatdebug("Null hint in list, bump"))};this.setEnabled=function(a){c.assignEnabled(a);null===c.getComponent()?c.ctatdebug("Error pointer.getComponent()==null"):c.getComponent().disabled=!a};this.goPrevious=function(){c.ctatdebug("goPrevious ()");hintIndex--;q.setEnabled(!0);0>=hintIndex?(hintIndex=0,l.setEnabled(!1)):l.setEnabled(!0);
-m.innerHTML=CTATGlobals.languageManager.filterString(hints[hintIndex]);var a=new CTATTutoringServiceMessageBuilder,b=CTATGuid.guid(),d=new CTATSAI("previousButton","ButtonPressed","-1"),a=a.createInterfaceActionMessage(b,d),d=new CTATSAI("previousButton","ButtonPressed","hint request");commLoggingLibrary.logSemanticEvent(b,d,"HINT_REQUEST","");CTATCommShell.commShell.propagateShellEvent("InterfaceAction",a);d=c.getCurrentHint();b=h.createAssociatedRulesMessageForHint([d],logHintSAI,"student",null,
-"",b,hints.length,hintIndex+1);b=new CTATMessage(f.parse(b));CTATCommShell.commShell.processAssociatedRules(b,"HintWindow",d);CTATCommShell.commShell.propagateShellEvent("PreviousPressed",b)};this.goNext=function(){c.ctatdebug("goNext ()");hintIndex++;l.setEnabled(!0);hintIndex>hints.length-1&&(hintIndex=hints.length-1);hintIndex>hints.length-2?q.setEnabled(!1):q.setEnabled(!0);m.innerHTML=CTATGlobals.languageManager.filterString(hints[hintIndex]);var a=new CTATTutoringServiceMessageBuilder,b=CTATGuid.guid(),
-d=new CTATSAI("nextButton","ButtonPressed","-1"),a=a.createInterfaceActionMessage(b,d),d=new CTATSAI("nextButton","ButtonPressed","hint request");commLoggingLibrary.logSemanticEvent(b,d,"HINT_REQUEST","");CTATCommShell.commShell.propagateShellEvent("InterfaceAction",a);d=c.getCurrentHint();b=h.createAssociatedRulesMessageForHint([d],logHintSAI,"student",null,"",b,hints.length,hintIndex+1);b=new CTATMessage(f.parse(b));CTATCommShell.commShell.processAssociatedRules(b,"HintWindow",d);CTATCommShell.commShell.propagateShellEvent("NextPressed",
-b)}};CTATHintWindow.prototype=Object.create(CTAT.Component.Base.Graphical.prototype);CTATHintWindow.prototype.constructor=CTATHintWindow;CTAT.ComponentRegistry.addComponentType("CTATHintWindow",CTATHintWindow);var CTATIFrameManager=function(){var a={},b=this;this.initFrame=function(b,g,d){var c=b?b.getAttribute("id"):null;c?a[c]={domNode:b,initialDom:g,initialMode:d}:console.error("iFrames managed by CTATIFrameManager must exist and have unique ids");b.setAttribute("data-ctat-target",d);this.writeData(b,g)};this.refresh=function(b){var e=a[b];e.domNode?(e.domNode.setAttribute("src","about:blank"),this.writeData(e.domNode,e.initialDom)):console.warn("CTATIFrameManager: iFrame id "+b+" not found")};this.writeData=
-function(a,b){if(a){var d=a.contentDocument||a.contentWindow.document;d.open();d.write(b);d.close()}};document.addEventListener("refreshIframe",function(a){a=a.detail;console.log("refresh event for iframe "+a);b.refresh(a)})};var CTATImageButton=function(a,b,e,g,d){CTATButtonBasedComponent.call(this,"CTATImageButton","__undefined__",a,b,e,g,d);var c=this;this.init=function(){c.setInitialized(!0);c.setComponent(c.getDivWrap());c.addComponentReference(c,c.getDivWrap());c.setImage(c.getDivWrap().getAttribute("data-ctat-image-default"));var a=c.component;a.setAttribute("role","button");a.classList.add("CTAT-button");a.addEventListener("click",c.processClick);a.addEventListener("focus",c.processFocus);a.addEventListener("mousedown",
-c.processBaseMousedown);a.addEventListener("mouseup",c.processBaseMouseup);a.addEventListener("mouseover",c.processBaseMouseover);a.addEventListener("mouseout",c.processBaseMouseout)};var f=this.setEnabled;this.setEnabled=function(a){f(a);c.getEnabled()?c.setImage(c.getDivWrap().getAttribute("data-ctat-image-default")):c.setImage(c.getDivWrap().getAttribute("data-ctat-image-disabled"))};this.getConfigurationActions=function(){var a=this.getDivWrap(),b=a.getAttribute("data-ctat-image-hover"),c=a.getAttribute("data-ctat-image-clicked"),
-d=a.getAttribute("data-ctat-image-default"),a=a.getAttribute("data-ctat-image-disabled");if(d){var f=new CTATSAI;f.setSelection(this.getName());b||c||a?(f.setAction("assignImages"),f.setInputArray([b,c,d,a])):(f.setAction("assignImage"),f.setInput(d));return[f]}return[]}};CTATImageButton.prototype=Object.create(CTATButtonBasedComponent.prototype);CTATImageButton.prototype.constructor=CTATImageButton;CTAT.ComponentRegistry.addComponentType("CTATImageButton",CTATImageButton);var CTATJumble=function(a,b,e,g,d){CTAT.Component.Base.Tutorable.call(this,"CTATJumble","aJumble",a,b,e,g,d);var c=this;this.setActionInput("SetOrder","");var f=null;this.init=function(){this.setInitialized(!0);f=this.getDivWrap();this.setComponent(f);this.addComponentReference(this,f);CTATConfiguration.get("previewMode")||$(f).children().addClass("CTATJumble--item").attr({unselectable:"on",draggable:!0}).each(function(){this.addEventListener("dragstart",m,!1);this.addEventListener("dragenter",q,
-!1);this.addEventListener("dragover",l,!1);this.addEventListener("dragleave",p,!1);this.addEventListener("drop",u,!1);this.addEventListener("dragend",r,!1)});this.component.addEventListener("focus",this.processFocus)};this.getConfigurationActions=function(){this.updateSAI();return[this.getSAI()]};var h=null,m=function(a){a.target.classList.add("CTATJumble--item--home");h=a.target;a.dataTransfer.effectAllowed="move";a.dataTransfer.setData("text/html",a.target.innerHTML)},l=function(a){a.preventDefault&&
-a.preventDefault();a.dataTransfer.dropEffect="move";return!1},q=function(a){this.classList.add("CTATJumble--item--over")},p=function(a){this.classList.remove("CTATJumble--item--over")},u=function(a){a.stopPropagation&&a.stopPropagation();$(f).children().removeClass("CTATJumble--item--over");if(h!=this){h.innerHTML=this.innerHTML;var b=h.id;h.id=this.id;this.innerHTML=a.dataTransfer.getData("text/html");this.id=b;c.setInput(c.getOrder());c.processAction()}return!1},r=function(a){this.classList.remove("CTATJumble--item--home");
-$(f).children().removeClass("CTATJumble--item--over")},w=this.setEnabled;this.setEnabled=function(a){w(a);f&&$(f).children().attr("draggable",a)};this.init_items=function(a){if(f){var b=document.createDocumentFragment();a=a.split(";");for(var c=a.length,d=0;d<c;d++){var e=document.createElement("div");e.textContent=a[d];e.id=this.getName()+d;e.setAttribute("unselectable","on");e.setAttribute("draggable",!0);e.classList.add("CTATJumble--item");e.addEventListener("dragstart",m,!1);e.addEventListener("dragenter",
-q,!1);e.addEventListener("dragover",l,!1);e.addEventListener("dragleave",p,!1);e.addEventListener("drop",u,!1);e.addEventListener("dragend",r,!1);b.appendChild(e)}f.innerHTML="";f.appendChild(b)}};this.setParameterHandler("textItems",this.init_items);this.SetOrder=function(a){a.split(";").forEach(function(a){$(f).append($("#"+a))})};this.getOrder=function(){var a=[];$(f).children().each(function(){this.draggable&&(this.id?a.push(this.id):console.log("ERROR: The CTATJumble "+c.getName()+" has a child with no id attribute: "+
-this+"!!!"))});return a.join(";")};this.updateSAI=function(){c.setInput(c.getOrder())}};CTATJumble.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);CTATJumble.prototype.constructor=CTATJumble;CTAT.ComponentRegistry.addComponentType("CTATJumble",CTATJumble);var CTATMobileTutorHandler=function(a,b){CTATBase.call(this,"CTATMobileTutorHandler","mobiletutorhandler");this.ctatdebug("CTATMobileTutorHandler ()");var e="",g=b?b:"disabled",d=!1;/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)&&(d=!0);this.error=function(a){this.ctatdebug(a);alert(a)};this.processOrientationChange=function(a){this.ctatdebug("processOrientationChange ("+a+")")};this.getEnabled=function(){return"disabled"==g||"auto"==g&&0==d?!1:!0};this.processTextFocus=
-function(a,b,h,m,l){this.ctatdebug("processTextFocus ("+a+","+b+","+h+","+m+","+l+")");"disabled"==g||"auto"==g&&0==d||(e="",this.manipulateKeyboard())};this.processEnter=function(){this.ctatdebug("processEnter ()");if("disabled"!=g&&("auto"!=g||0!=d)){var b=getSafeElementById(a);if(null!=b)try{b.processExternalEnter(),this.ctatdebug("Successfully called AS3 method")}catch(f){this.ctatdebug("Error description: "+f.message)}else this.ctatdebug("Error: unable to obtain reference to swf object")}};this.setText=
-function(b){this.ctatdebug("setText ("+b+")");if("disabled"!=g&&("auto"!=g||0!=d))if(null!=CTATGlobals.selectedTextInput){this.ctatdebug("Attempting to call HTML5 method on text object ...");var c=CTATGlobals.selectedTextInput.getText();CTATGlobals.selectedTextInput.setText(c+b)}else if(this.ctatdebug("Attempting to call AS3 method ..."),c=getSafeElementById(a),null!=c)try{e+=b,this.ctatdebug(e),c.processExternalKeyboard(e),this.ctatdebug("Successfully called AS3 method")}catch(h){this.ctatdebug("Error description: "+
-h.message)}else this.ctatdebug("Error: unable to obtain reference to swf object")};this.manipulateKeyboard=function(){this.ctatdebug("manipulateKeyboard()");if("disabled"!=g&&("auto"!=g||0!=d)){this.hideKeyboard();var a=getSafeElementById("keyboardUI");a&&(a.style.visibility="visible")}};this.hideKeyboard=function(){document.activeElement.blur();var a=getSafeElementById("input");a&&a.blur()};this.hideCustomKeyboard=function(){getSafeElementById("keyboardUI").style.visibility="visible"}};
-CTATMobileTutorHandler.prototype=Object.create(CTATBase.prototype);CTATMobileTutorHandler.prototype.constructor=CTATMobileTutorHandler;function processTextFocus(a,b,e,g,d){mobileAPI.processTextFocus(a,b,e,g,d)}function processFocusOut(){closeK()};var CTATMovieClip=function(a,b,e,g,d){CTATBase.call(this,"CTATMovieClip",a);var c=CTATGlobalFunctions.gensym.z_index(),f=CTATGlobalFunctions.gensym.div_id(),h=CTATGlobalFunctions.gensym.z_index();CTATGlobalFunctions.gensym.div_id();var m=[],l=this,q=null;this.wrapComponent=function(a){q=document.createElement("div");q.setAttribute("id",f);q.setAttribute("name",this.getName());q.setAttribute("style","z-index: "+c);q.setAttribute("width",g+"px");q.setAttribute("height",d+"px");q.setAttribute("style",
-"border: 0px; position: absolute; left:"+b+"px; top:"+e+"px; z-index:"+h+";");a.appendChild(q);return q};this.getDivWrapper=function(){return q};this.addComponent=function(a){l.ctatdebug("addComponent ("+a+")");m.push(a)};this.isRegistered=function(a){for(var b=0;b<m.length;b++)if(m[b]==a)return!0;return!1}};CTATMovieClip.prototype=Object.create(CTATBase.prototype);CTATMovieClip.prototype.constructor=CTATMovieClip;CTAT.Geom={};CTAT.Geom.Point={};try{new DOMPoint}catch(a){if(console.log("WARNING: new DOMPoint():",a,typeof a),a instanceof ReferenceError||a instanceof TypeError){console.log("   Using shim!");var DOMPoint=function(b,e,g,d){this.z=this.y=this.x=0;this.w=1;if(b instanceof DOMPoint)for(var c in b)this[c]=b[c];else this.x=b||0,this.y=e||0,this.z=g||0,this.w=d||1}}}CTAT.Geom.Point.useDOMMatrix=!0;try{new DOMMatrix}catch(a){a instanceof ReferenceError&&(CTAT.Geom.Point.useDOMMatrix=!1)}
-CTAT.Geom.Point.add=function(){if(CTAT.Geom.Point.useDOMMatrix){for(var a=new DOMMatrix,b,e=0;e<arguments.length;e++)b=arguments[e],a.translateSelf(b.x/b.w,b.y/b.w,b.z/b.w);return a.transformPoint(new DOMPoint)}return Array.prototype.reduce.call(arguments,function(a,b){for(var c in a)"w"!=c&&0!==b[c]&&(a[c]+=b[c]/b.w);return a},new DOMPoint)};
-DOMPoint.prototype.add||Object.defineProperty(DOMPoint.prototype,"add",{enumerable:!1,value:function(a){return CTAT.Geom.Point.useDOMMatrix?(new DOMMatrix).translate(a.x/a.w,a.y/a.w,a.z/a.w).transformPoint(this):CTAT.Geom.Point.add(this,a)}});CTAT.Geom.Point.angle=function(a,b){return Math.acos(DOMPoint.dot(a,b)/(a.magnitude*b.magnitude))};CTAT.Geom.Point.angle_degrees=function(a,b){return CTAT.Math.rad2deg(CTAT.Geom.Point.angle(a,b))};
-CTAT.Geom.Point.angle_between_2d=function(a,b){return CTAT.Math.rad2deg(Math.atan2(b.y,b.x)-Math.atan2(a.y,a.x))};DOMPoint.prototype.clone||Object.defineProperty(DOMPoint.prototype,"clone",{value:function(){return new DOMPoint(this)}});CTAT.Geom.Point.distance=function(a,b){var e=CTAT.Geom.Point.add(a,CTAT.Geom.Point.scale(b,-1));return Math.sqrt(CTAT.Geom.Point.dot(e,e))};
-DOMPoint.prototype.distance||Object.defineProperty(DOMPoint.prototype,"distance",{value:function(a){return CTAT.Geom.Point.distance(this,a)}});CTAT.Geom.Point.dot=function(a,b){return(a.x*b.x+a.y*b.y+a.z*b.z)/(a.w*b.w)};CTAT.Geom.Point.equals=function(a,b){var e=!0,g;for(g in a)if(g in b?"w"!=g&&(e&=a[g]/a.w==b[g]/b.w):e=!1,!e)break;return e};CTAT.Geom.Point.interpolate=function(a,b,e){return CTAT.Geom.Point.add(a.scale(e),b.scale(1-e))};
+CTAT.Math.Fraction.FromString=function(a){var g=new CTAT.Math.Fraction;g.setFromString(String(a));return g};CTAT.Math.Fraction.FromNumber=function(a){a=new CTAT.Math.Fraction(a);a.reduce();return a};CTAT.Math.Fraction.Sum=function(){for(var a=new CTAT.Math.Fraction,g=0;g<arguments.length;g++)a=a.add(arguments[g]);return a};CTAT.Math.Fraction.Product=function(){for(var a=new CTAT.Math.Fraction(1,1),g=0;g<arguments.length;g++)a=a.multiply(arguments[g]);return a};CTAT.Component.Base.SVG=function(a,g,f,d,c,b,e){CTAT.Component.Base.Clickable.call(this,a,g,f,d,c,b,e);var h=null;this.initSVG=function(){this.setInitialized(!0);var b=CTATGlobals.NameSpace.svg,a=CTATGlobals.NameSpace.xml,e=CTATGlobals.NameSpace.xlink,c=CTATGlobals.NameSpace.ev,d=document.createDocumentFragment();h=document.createElementNS(b,"svg");d.appendChild(h);h.classList.add("CTAT-gen-component");h.classList.add("CTAT-svg");h.classList.add("unselectable");h.setAttributeNS(a,"xmlns",b);h.setAttributeNS(a,
+"xmlns:xlink",e);h.setAttributeNS(a,"xmlns:ev",c);b=document.createElementNS(b,"defs");h.appendChild(b);this.getDivWrap().appendChild(d);this.setComponent(h)};this.genName=function(b){return this.getName()+"_"+b};this.getBoundingBox=function(){var b=new DOMRect(0,0,this.getWidth(),this.getHeight()),a=this.getComponent(),e=window.getComputedStyle(a),a=parseInt(e.getPropertyValue("padding-left")),c=parseInt(e.getPropertyValue("padding-right")),d=parseInt(e.getPropertyValue("padding-bottom")),f=parseInt(e.getPropertyValue("padding-right")),
+g=parseInt(e.getPropertyValue("border-left-width")),h=parseInt(e.getPropertyValue("border-right-width")),B=parseInt(e.getPropertyValue("border-bottom-width")),e=parseInt(e.getPropertyValue("border-right-width"));b.width-=a+f+g+e;b.height-=c+d+h+B;return b}};CTAT.Component.Base.SVG.prototype=Object.create(CTAT.Component.Base.Clickable.prototype);CTAT.Component.Base.SVG.prototype.constructor=CTAT.Component.Base.SVG;CTAT.Component.Base.UnitDisplay=function(a,g,f,d,c,b,e){CTAT.Component.Base.SVG.call(this,a,g,f,d,c,b,e);var h="1/2+1/4+(0*1/8)";this.setActionInput("SetPieces",h);var l="#800080";this.color=l;var m=1;this.colorAlpha=m;var n="#800080";this.deselectedColor=n;var p=.3;this.deselectedColorAlpha=p;var v="black";this.piece_border_color=v;this.piece_border_thickness=1;this.getPieceBorderColor=function(){return v};this.setPieceBorderColor=function(b){v=CTATGlobalFunctions.formatColor(b);return this};var q=
+[],u=this;this.generateClassname=function(){return this.getName()+" UnitPart"};this.getPieces=function(){return q};var w=function(b){if(b.hasAttributeNS(null,"data-selected"))return CTATGlobalFunctions.toBoolean(b.getAttributeNS(null,"data-selected"));b.setAttributeNS(null,"data-selected",!0);return!0};this.getPiecesBySelected=function(b){for(var a=this.getPieces(),e=[],c,d=0;d<a.length;d++)c=a[d],w(c)===b&&e.push(c);return e};this.getSelectedPieces=this.getPiecesBySelected.bind(this,!0);this.getDeselectedPieces=
+this.getPiecesBySelected.bind(this,!1);this.getColor=function(){return l};this.getColorAlpha=function(){return m};this.getDeselectedColor=function(){return n};this.getDeselectedColorAlpha=function(){return p};this.setColor=function(b){this.color=l=CTATGlobalFunctions.formatColor(b);b=this.getSelectedPieces();for(var a=0;a<b.length;a++)$(b[a]).css("fill",l)};this.setColorAlpha=function(b){m=Number(b);this.colorAlpha=m=isNaN(m)?1:m;b=this.getSelectedPieces();for(var a=0;a<b.length;a++)$(b[a]).css("fill-opacity",
+m)};this.setDeselectedColor=function(b){this.deselectedColor=n=CTATGlobalFunctions.formatColor(b);b=this.getDeselectedPieces();for(var a=0;a<b.length;a++)$(b[a]).css("fill",l)};this.setDeselectedColorAlpha=function(b){p=Number(b);isNaN(p)&&(p=.3);this.deselectedColorAlpha=p;b=this.getDeselectedPieces();for(var a=0;a<b.length;a++)$(b[a]).css("fill-opacity",p)};this.valueOf=function(){return this.evaluate()};this.getValue=function(){return h};this.setValue=function(b){h=String(b);this.setInput(h);this.clear();
+this.drawPieces();return h};this.setParameterHandler("Value",this.setValue);this.data_ctat_handlers.value=function(b){this.setValue(b)};this.drawPieces=function(){};this.evaluate=function(){return this.parseValue().reduce(function(b,a){return a.selected?b.add(a):b},new CTAT.Math.Fraction)};this.numActive=function(){return this.getSelectedPieces().length};this.parseValue=function(){var b=[];h.split("+").forEach(function(a){var e=!0;-1!=a.search(/(\(\s*0\s*\*)|(\*\s*0\s*\))/)&&(e=!1,a=a.replace(/(\(\s*0\s*\*)|(\*\s*0\s*\))/,
+""),a=a.replace(/[() ]/g,""));a=new CTAT.Math.Fraction(a);a.selected=e;0<a&&b.push(a);return a});return b};this.updateValue=function(){return h=this.getPieces().map(function(b){return C(b.getAttributeNS(null,"data-value"),CTATGlobalFunctions.toBoolean(b.getAttributeNS(null,"data-selected")))}).join("+")};var B=function(b,a){var e=CTATGlobalFunctions.toBoolean(a);CTATGlobalFunctions.toBoolean(b.getAttributeNS(null,"data-selected"));!0===e?(b.setAttributeNS(null,"data-selected",!0),$(b).css("fill",
+u.color),$(b).css("fill-opacity",u.colorAlpha)):($(b).css("fill",u.deselectedColor),$(b).css("fill-opacity",u.deselectedColorAlpha),b.setAttributeNS(null,"data-selected",!1))};this.clickHandler=function(b){!0===u.getEnabled()&&(b=CTATGlobalFunctions.toBoolean(this.getAttributeNS(null,"data-selected")),B(this,!b),u.setActionInput("SetPieces",u.updateValue()),u.processAction())};this.updateSAI=function(){u.setActionInput("SetPieces",u.updateValue())};this.addPieceElem=function(b,a,e){b.setAttributeNS(null,
+"data-selected",e);b.setAttributeNS(null,"data-value",a.toString());b.dataValue=a;this.getEnabled()&&(b.style.cursor="pointer");b.addEventListener("click",this.clickHandler);q.push(b)};var y=this.setEnabled;this.setEnabled=function(b){y(b);q.forEach(function(a){a.style.cursor=b?"pointer":"default"})};this.clear=function(){q=[]};var C=function(b,a){var e=b.toString();!1===a&&(e="(0*"+e+")");return e};this.AddPiece=function(b,a){if(b){var e=new CTAT.Math.Fraction(b);if(0<CTAT.Math.round(e.valueOf())){var c=
+h.split("+");c.push(C(e,a));u.setValue(c.join("+"))}}};this.AddToValue=function(b,a){if(b){var e=new CTAT.Math.Fraction(b);if(0<CTAT.Math.round(e.valueOf())){var c=h.split("+");c.push(C(e,a));h=c.join("+")}}return h};var A=-1,r=function(b){isNaN(b)&&this.get_denominator();b=Math.max(b,1);1<A&&(b=Math.min(b,A));return b}.bind(this);this.set_max_denominator=function(b){b=parseInt(b);isNaN(b)||(A=b)};this.set_denominator=function(b){u.setHintHighlight(!1);var a="string"===typeof b?parseInt(b):b;if(!isNaN(a)&&
+(a=r(a),this.get_denominator()!=b)){var e=u.evaluate();u.clear();b=[];e.set_denominator(a);for(var c=new CTAT.Math.Fraction(1,a),d=Math.floor(e.numerator),f=a-d,g=0;g<d;g++)b.push(C(c,!0));a=new CTAT.Math.Fraction(e.numerator-d,a);a.equals(0)||(b.push(C(a,!0)),b.push(C(c.subtract(a),!1)),f--);for(a=0;a<f;a++)b.push(C(c,!1));this.setValue(b.join("+"));u.setActionInput("SetPieces",h);u.processAction();return h}};this.get_denominator=function(){return q.reduce(function(b,a,e,c){return Math.min(b,a.dataValue.denominator)},
+Infinity)};this.change_denominator=function(b){return this.set_denominator(this.get_denominator()+Number(b))};this.set_number_pieces=function(b){u.setHintHighlight(!1);b="string"===typeof b?parseInt(b):b;if(!isNaN(b)){b=r(b);var a=u.numActive();u.clear();for(var e=[],c=new CTAT.Math.Fraction(1,b),d=0;d<b;d++)e.push(C(c,0<a)),a--;this.setValue(e.join("+"));u.setActionInput("SetPieces",h);u.processAction();return h}};this.change_number_pieces=function(b){this.set_number_pieces(q.length+b)};this.set_numerator=
+function(b){return this.change_numerator(b-this.getSelectedPieces().length)};this.change_numerator=function(b){0!==b&&(0<b?q.every(function(a){!1===w(a)&&(B(a,!0),b--);return 0<b}):(q.reverse(),q.every(function(a){!0===w(a)&&(B(a,!1),b++);return 0>b}),q.reverse()))};this.SetPieces=function(b){u.setValue(b)};f=function(b){return(b=$(this.getDivWrap()).attr(b))?b.split(/\s*;\s*/).map(function(b){return b.trim()}):[]};a=f.bind(this,"data-ctat-ctrl-denominator");g=f.bind(this,"data-ctat-ctrl-partition");
+f=f.bind(this,"data-ctat-ctrl-numerator");d=function(b,a){return 0<=b().indexOf(a)};var D=d.bind(null,a),z=d.bind(null,g),F=d.bind(null,f),H=function(b){var a=null;if(b instanceof CTAT.Component.Base.Tutorable)b!=this&&(a=b.getName());else if(b instanceof CTATSAI)b.getSelection()!=u.getName()&&(a=b.getSelection());else if(b instanceof String)b!=u.getName()&&(a=b);else if(b instanceof Element)b!=u.getComponent()&&(a=b.id);else return null;if(a){if(D(a))return J.bind(this,this.change_denominator,this.set_denominator);
+if(F(a))return J.bind(this,this.change_numerator,this.set_numerator);if(z(a))return J.bind(this,this.change_number_pieces,this.set_number_pieces)}return null}.bind(this);a=CTAT.Component.Base.Tutorable.EventType;CTATConfiguration.get("previewMode")||document.addEventListener(a.action,function(b){var a=b.detail.sai;b=H(b.detail.component);a&&null!==b&&b(a)},!1);var J=function(b,a,e){var c=parseInt(e.getInput());if(!isNaN(c)){switch(e.getAction()){case "ButtonPressed":b.call(this,c);break;case "Update":case "UpdateTextField":case "UpdateTextArea":a.call(this,
+c)}this.updateSAI();this.processAction()}};this.setNumeratorControllers=function(b){this.getDivWrap().setAttribute("data-ctat-ctrl-numerator",b);return this};this.setParameterHandler("NumeratorControllers",this.setNumeratorControllers);this.setDenominatorControllers=function(b){this.getDivWrap().setAttribute("data-ctat-ctrl-denominator",b);return this};this.setParameterHandler("DenominatorControllers",this.setDenominatorControllers);this.setPartitionControllers=function(b){this.getDivWrap().setAttribute("data-ctat-ctrl-partition",
+b);return this};this.setParameterHandler("PartitionControllers",this.setPartitionControllers);this.getConfigurationActions=function(){var b=this.getDivWrap().getAttribute("data-ctat-value");if(b){var a=new CTATSAI;a.setSelection(this.getName());a.setAction("SetPieces");a.setInput(b);return[a]}this.updateSAI();return[this.getSAI()]}};CTAT.Component.Base.UnitDisplay.prototype=Object.create(CTAT.Component.Base.SVG.prototype);CTAT.Component.Base.UnitDisplay.prototype.constructor=CTAT.Component.Base.UnitDisplay;var CTATFractionBar=function(a,g,f,d,c){CTAT.Component.Base.UnitDisplay.call(this,"CTATFractionBar","aFractionBar",a,g,f,d,c);var b=CTATGlobals.NameSpace.svg;this.init=function(){this.initSVG();this.baseGroup=document.createElementNS(b,"g");this.getComponent().appendChild(this.baseGroup);this.getComponent().classList.add("CTATFractionBar--container");this.drawPieces();this.addComponentReference(this,this.getDivWrap());this.component.addEventListener("focus",this.processFocus)};this.render=function(){this.drawPieces()};
+this.drawPieces=function(){if(this.baseGroup){this.clear();for(var a=this.parseValue(),c=0,d=document.createDocumentFragment(),f=0;f<a.length;f++){var g=a[f],p=100*g,v=document.createElementNS(b,"rect");v.classList.add("CTATFractionBar--piece");v.setAttributeNS(null,"height","100%");v.setAttributeNS(null,"width",p+"%");v.setAttributeNS(null,"y",0);v.setAttributeNS(null,"x",c+"%");this.addPieceElem(v,g,g.selected);d.appendChild(v);var q=document.createElementNS(b,"text");q.classList.add("CTATFractionBar--label");
+q.setAttributeNS(null,"text-anchor","middle");q.setAttributeNS(null,"dominant-baseline","middle");d.appendChild(q);var v=""+String(g.numerator),g=""+String(g.denominator),u=document.createElementNS(b,"tspan"),w=document.createElementNS(b,"tspan");u.appendChild(document.createTextNode(v));w.appendChild(document.createTextNode(g));q.appendChild(u);q.appendChild(w);q=c+p/2;u.setAttributeNS(null,"x",q+"%");u.setAttributeNS(null,"y","60%");u.setAttributeNS(null,"dy","-1em");w.setAttributeNS(null,"x",q+
+"%");w.setAttributeNS(null,"y","60%");v.length>g.length?u.style.textDecoration="underline":w.style.textDecoration="overline";c+=p}this.baseGroup.innerHTML="";this.baseGroup.appendChild(d);var B=this.baseGroup.getBBox().width-1;Array.prototype.slice.call(this.baseGroup.childNodes).forEach(function(b){if("rect"==b.nodeName){var a=window.getComputedStyle(b),e=parseFloat(a.getPropertyValue("padding-left")),c=parseFloat(a.getPropertyValue("stroke-width")),a=b.getBBox();b.setAttributeNS(null,"y",a.y+c/
+2);b.setAttributeNS(null,"height",a.height-c);var d=a.x+c/2,c=a.width-c;1>a.x?c-=e/2:(d+=e/2,c=a.x+a.width>=B?c-e/2:c-e);b.setAttributeNS(null,"x",d);b.setAttributeNS(null,"width",c)}})}};this.setShowFractionLabel=function(b){};this.setStyleHandler("showFractionLabel",this.setShowFractionLabel)};CTATFractionBar.prototype=Object.create(CTAT.Component.Base.UnitDisplay.prototype);CTATFractionBar.prototype.constructor=CTATFractionBar;CTAT.ComponentRegistry.addComponentType("CTATFractionBar",CTATFractionBar);var CTATGroupingComponent=function(a,g,f,d,c){CTAT.Component.Base.SAIHandler.call(this,"CTATGroupingComponent","__undefined__",a,g,f,d,c);var b=this,e=b.executeSAI;this.isTabIndexable=!1;this.getComponentList=function(){var a=[],e=b.getDivWrap().getAttribute("data-ctat-componentlist");e&&(a=e.split(/\s*[,;]\s*/).map(function(b){return $("#"+b.trim()).data("CTATComponent")}));$(b.getDivWrap()).children(".CTATComponent").each(function(){a.push($(this).data("CTATComponent"))});return[].concat($jscomp.arrayFromIterable(new Set(a)))};
+this.init=function(){b.setInitialized(!0)};this.executeSAI=function(a){b.getComponentList().forEach(function(e){e&&"function"==typeof e.executeSAI?e.executeSAI(a):b.ctatdebug("CTATGroupingComponent "+b.getName()+".executeSAI: comp doesn't implement executeSAI: "+e)});e.call(b,a)}};CTATGroupingComponent.prototype=Object.create(CTAT.Component.Base.SAIHandler.prototype);CTATGroupingComponent.prototype.constructor=CTATGroupingComponent;CTAT.ComponentRegistry.addComponentType("CTATGroupingComponent",CTATGroupingComponent);var CTATHintButton=function(a,g,f,d,c){CTAT.Component.Base.Clickable.call(this,"hint","CTATHintButton",a,g,f,d,c);this.setName("hint");this.setClassName("CTATHintButton");this.isTabIndexable=!1;this.setText(CTATGlobals.languageManager.getString("HINT"));this.setStyleHandler("BackgroundColor",null);this.setStyleHandler("TextAlign",null);this.setStyleHandler("BorderColor",null);this.setStyleHandler("FontFace",null);this.setStyleHandler("TextColor",null);this.init=function(){this.setInitialized(!0);
+var b=document.createElement("button");this.setComponent(b);b.classList.add("unselectable");b.classList.add("CTAT-hint-button");var a=document.createElement("div");a.classList.add("CTAT-hint-button--icon");a.textContent="?";b.appendChild(a);this.getText()&&(a=document.createElement("div"),a.textContent=this.getText(),b.appendChild(a));this.getDivWrap().appendChild(b);b.addEventListener("mouseenter",function(b){b.target.classList.add("CTAT-hint-button--hover")});b.addEventListener("mouseleave",function(b){b.target.classList.remove("CTAT-hint-button--hover");
+b.target.classList.remove("CTAT-hint-button--clicked")});b.addEventListener("mousedown",function(b){b.target.classList.add("CTAT-hint-button--clicked")});b.addEventListener("mouseup",function(b){b.target.classList.remove("CTAT-hint-button--clicked")});b.addEventListener("click",function(b){b.target.classList.remove("CTAT-hint-button--clicked")});b.addEventListener("click",this.processClick)};var b=this;this.processClick=function(a){b.getEnabled()&&CTATCommShell.commShell&&CTATCommShell.commShell.requestHint()}};
+CTATHintButton.prototype=Object.create(CTAT.Component.Base.Clickable.prototype);CTATHintButton.prototype.constructor=CTATHintButton;CTAT.ComponentRegistry.addComponentType("CTATHintButton",CTATHintButton);var CTATHintWindow=function(a,g,f,d,c){CTAT.Component.Base.Graphical.call(this,"CTATHintWindow","__undefined__",a,g,f,d,c);var b=this;b.isTabIndexable=!1;var e=CTATConfig.parserType_is_XML()?new CTATXML:new CTATJSON,h=new CTATTutorMessageBuilder,l=null,m=null,n=null,p=null,v=CTATGlobals.languageManager.getString("NEXT"),q=CTATGlobals.languageManager.getString("PREVIOUS"),u=null;this.data_ctat_handlers["next-content"]=function(b){u=b;n&&(n.innerHTML=b)};var w=null;this.data_ctat_handlers["previous-content"]=
+function(b){w=b;m&&(m.innerHTML=b)};this.getCurrentHint=function(){return l.innerHTML};this.init=function(){b.ctatdebug("init ("+b.getName()+")");b.setInitialized(!0);b.setIsAbstractComponent(!0);p=this.getDivWrap();p.id||p.setAttribute("id",CTATGlobalFunctions.gensym.div_id());p.setAttribute("onkeypress","return noenter(event)");b.setComponent(p);b.addComponentReference(b,p);l=document.createElement("div");p.appendChild(l);l.classList.add("CTATHintWindow--hint-content");var a=document.createElement("div");
+a.classList.add("CTATHintWindow--hint-button-area");p.appendChild(a);if(w)m=document.createElement("button"),m.classList.add("CTATHintWindow--previous"),m.innerHTML=w;else{m=document.createElement("button");m.classList.add("CTATHintWindow--previous");var e=document.createElement("span");e.classList.add("CTATHintWindow--button-icon");e.textContent="\u25c0";m.appendChild(e);q&&(e.style.cssFloat="left",m.appendChild(document.createTextNode(q)))}m.addEventListener("click",function(b){CTATShellTools.showPrevHint()},
+!1);a.appendChild(m);u?(n=document.createElement("button"),n.classList.add("CTATHintWindow--next"),n.innerHTML=u):(n=document.createElement("button"),n.classList.add("CTATHintWindow--next"),e=document.createElement("span"),e.classList.add("CTATHintWindow--button-icon"),e.textContent="\u25b6",v&&(e.style.cssFloat="right",n.appendChild(document.createTextNode(v))),n.appendChild(e));n.addEventListener("click",function(b){CTATShellTools.showNextHint()},!1);a.appendChild(n);var c=function(b){this.disabled=
+!b;b||(this.classList.remove("CTAT-hint-button--hover"),this.classList.remove("CTAT-hint-button--clicked"))};[m,n].forEach(function(b){b.setEnabled=c.bind(b);b.classList.add("CTATHintWindow--button");b.classList.add("CTAT-hint-button");b.addEventListener("mouseenter",function(b){b.target.classList.add("CTAT-hint-button--hover")});b.addEventListener("mouseleave",function(b){b.target.classList.remove("CTAT-hint-button--hover");b.target.classList.remove("CTAT-hint-button--clicked")});b.addEventListener("mousedown",
+function(b){b.target.classList.add("CTAT-hint-button--clicked")});b.addEventListener("mouseup",function(b){b.target.classList.remove("CTAT-hint-button--clicked")});b.addEventListener("click",function(b){b.target.classList.remove("CTAT-hint-button--clicked")})});CTATShellTools.registerFeedbackComponent(this,this.goNext,this.goPrevious,this.showHint,this.showFeedback);b.ctatdebug("Disabling previous and next ...");m.setEnabled(!1);n.setEnabled(!1)};this.setStyleHandler("OuterBorderColor",this.setBorderColor);
+this.SetText=this.showFeedback=function(a){b.ctatdebug("showFeedback ("+a+")");l&&(l.innerHTML=CTATGlobals.languageManager.filterString(a));m.setEnabled(!1);n.setEnabled(!1)};this.showHint=function(a){b.ctatdebug("showHint ()");hints=a;hintIndex=0;m.setEnabled(!1);n.setEnabled(!1);hints?(this.setEnabled(!0),""===hints[hintIndex]?b.ctatdebug("Empty hint in list, bump"):(l.innerHTML=CTATGlobals.languageManager.filterString(hints[hintIndex]),1<hints.length?(b.ctatdebug("We have more than one hint, enabling next button"),
+n.setEnabled(!0)):b.ctatdebug("We only have one hint, leaving next button disabled"))):(hints=[],l.innerHTML="")};this.setEnabled=function(a){b.assignEnabled(a);null===b.getComponent()?b.ctatdebug("Error pointer.getComponent()==null"):b.getComponent().disabled=!a};this.goPrevious=function(){b.ctatdebug("goPrevious ()");hintIndex--;n.setEnabled(!0);0>=hintIndex?(hintIndex=0,m.setEnabled(!1)):m.setEnabled(!0);l.innerHTML=CTATGlobals.languageManager.filterString(hints[hintIndex]);var a=new CTATTutoringServiceMessageBuilder,
+c=CTATGuid.guid(),d=new CTATSAI("previousButton","ButtonPressed","-1"),a=a.createInterfaceActionMessage(c,d),d=new CTATSAI("previousButton","ButtonPressed","hint request");commLoggingLibrary.logSemanticEvent(c,d,"HINT_REQUEST","");CTATCommShell.commShell.propagateShellEvent("InterfaceAction",a);d=b.getCurrentHint();c=h.createAssociatedRulesMessageForHint([d],logHintSAI,"student",null,"",c,hints.length,hintIndex+1);c=new CTATMessage(e.parse(c));CTATCommShell.commShell.processAssociatedRules(c,"HintWindow",
+d);CTATCommShell.commShell.propagateShellEvent("PreviousPressed",c)};this.goNext=function(){b.ctatdebug("goNext ()");hintIndex++;m.setEnabled(!0);hintIndex>hints.length-1&&(hintIndex=hints.length-1);hintIndex>hints.length-2?n.setEnabled(!1):n.setEnabled(!0);l.innerHTML=CTATGlobals.languageManager.filterString(hints[hintIndex]);var a=new CTATTutoringServiceMessageBuilder,c=CTATGuid.guid(),d=new CTATSAI("nextButton","ButtonPressed","-1"),a=a.createInterfaceActionMessage(c,d),d=new CTATSAI("nextButton",
+"ButtonPressed","hint request");commLoggingLibrary.logSemanticEvent(c,d,"HINT_REQUEST","");CTATCommShell.commShell.propagateShellEvent("InterfaceAction",a);d=b.getCurrentHint();c=h.createAssociatedRulesMessageForHint([d],logHintSAI,"student",null,"",c,hints.length,hintIndex+1);c=new CTATMessage(e.parse(c));CTATCommShell.commShell.processAssociatedRules(c,"HintWindow",d);CTATCommShell.commShell.propagateShellEvent("NextPressed",c)}};CTATHintWindow.prototype=Object.create(CTAT.Component.Base.Graphical.prototype);
+CTATHintWindow.prototype.constructor=CTATHintWindow;CTAT.ComponentRegistry.addComponentType("CTATHintWindow",CTATHintWindow);var CTATIFrameManager=function(){var a={},g=this;this.initFrame=function(f,d,c){var b=f?f.getAttribute("id"):null;b?a[b]={domNode:f,initialDom:d,initialMode:c}:console.error("iFrames managed by CTATIFrameManager must exist and have unique ids");f.setAttribute("data-ctat-target",c);this.writeData(f,d)};this.refresh=function(f){var d=a[f];d.domNode?(d.domNode.setAttribute("src","about:blank"),this.writeData(d.domNode,d.initialDom)):console.warn("CTATIFrameManager: iFrame id "+f+" not found")};this.writeData=
+function(a,d){if(a){var c=a.contentDocument||a.contentWindow.document;c.open();c.write(d);c.close()}};document.addEventListener("refreshIframe",function(a){a=a.detail;console.log("refresh event for iframe "+a);g.refresh(a)})};var CTATImageButton=function(a,g,f,d,c){CTATButtonBasedComponent.call(this,"CTATImageButton","__undefined__",a,g,f,d,c);var b=this;this.init=function(){b.setInitialized(!0);b.setComponent(b.getDivWrap());b.addComponentReference(b,b.getDivWrap());b.setImage(b.getDivWrap().getAttribute("data-ctat-image-default"));var a=b.component;a.setAttribute("role","button");a.classList.add("CTAT-button");a.addEventListener("click",b.processClick);a.addEventListener("focus",b.processFocus);a.addEventListener("mousedown",
+b.processBaseMousedown);a.addEventListener("mouseup",b.processBaseMouseup);a.addEventListener("mouseover",b.processBaseMouseover);a.addEventListener("mouseout",b.processBaseMouseout)};var e=this.setEnabled;this.setEnabled=function(a){e(a);b.getEnabled()?b.setImage(b.getDivWrap().getAttribute("data-ctat-image-default")):b.setImage(b.getDivWrap().getAttribute("data-ctat-image-disabled"))};this.getConfigurationActions=function(){var b=this.getDivWrap(),a=b.getAttribute("data-ctat-image-hover"),c=b.getAttribute("data-ctat-image-clicked"),
+e=b.getAttribute("data-ctat-image-default"),b=b.getAttribute("data-ctat-image-disabled");if(e){var d=new CTATSAI;d.setSelection(this.getName());a||c||b?(d.setAction("assignImages"),d.setInputArray([a,c,e,b])):(d.setAction("assignImage"),d.setInput(e));return[d]}return[]}};CTATImageButton.prototype=Object.create(CTATButtonBasedComponent.prototype);CTATImageButton.prototype.constructor=CTATImageButton;CTAT.ComponentRegistry.addComponentType("CTATImageButton",CTATImageButton);var CTATJumble=function(a,g,f,d,c){CTAT.Component.Base.Tutorable.call(this,"CTATJumble","aJumble",a,g,f,d,c);var b=this;this.setActionInput("SetOrder","");var e=null;this.init=function(){this.setInitialized(!0);e=this.getDivWrap();this.setComponent(e);this.addComponentReference(this,e);CTATConfiguration.get("previewMode")||$(e).children().addClass("CTATJumble--item").attr({unselectable:"on",draggable:!0}).each(function(){this.addEventListener("dragstart",l,!1);this.addEventListener("dragenter",n,
+!1);this.addEventListener("dragover",m,!1);this.addEventListener("dragleave",p,!1);this.addEventListener("drop",v,!1);this.addEventListener("dragend",q,!1)});this.component.addEventListener("focus",this.processFocus)};this.getConfigurationActions=function(){this.updateSAI();return[this.getSAI()]};var h=null,l=function(b){/CTATJumble/.test(b.target.className)&&(b.target.classList.add("CTATJumble--item--home"),h=b.target,b.dataTransfer.effectAllowed="move",b.dataTransfer.setData("text/html",b.target.innerHTML))},
+m=function(b){b.preventDefault&&b.preventDefault();b.dataTransfer.dropEffect="move";return!1},n=function(b){this.classList.add("CTATJumble--item--over")},p=function(b){this.classList.remove("CTATJumble--item--over")},v=function(a){a.stopPropagation&&a.stopPropagation();if(h&&($(e).children().removeClass("CTATJumble--item--over"),h!=this)){h.innerHTML=this.innerHTML;var c=h.id;h.id=this.id;this.innerHTML=a.dataTransfer.getData("text/html");this.id=c;b.setInput(b.getOrder());b.processAction()}return!1},
+q=function(b){this.classList.remove("CTATJumble--item--home");$(e).children().removeClass("CTATJumble--item--over");h=null},u=this.setEnabled;this.setEnabled=function(b){u(b);e&&$(e).children().attr("draggable",b)};this.init_items=function(b){if(e){var a=document.createDocumentFragment();b=b.split(";");for(var c=b.length,d=0;d<c;d++){var f=document.createElement("div");f.textContent=b[d];f.id=this.getName()+d;f.setAttribute("unselectable","on");f.setAttribute("draggable",!0);f.classList.add("CTATJumble--item");
+f.addEventListener("dragstart",l,!1);f.addEventListener("dragenter",n,!1);f.addEventListener("dragover",m,!1);f.addEventListener("dragleave",p,!1);f.addEventListener("drop",v,!1);f.addEventListener("dragend",q,!1);a.appendChild(f)}e.innerHTML="";e.appendChild(a)}};this.setParameterHandler("textItems",this.init_items);this.SetOrder=function(b){b.split(";").forEach(function(b){$(e).append($("#"+b))})};this.getOrder=function(){var a=[];$(e).children().each(function(){this.draggable&&(this.id?a.push(this.id):
+console.log("ERROR: The CTATJumble "+b.getName()+" has a child with no id attribute: "+this+"!!!"))});return a.join(";")};this.updateSAI=function(){b.setInput(b.getOrder())}};CTATJumble.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);CTATJumble.prototype.constructor=CTATJumble;CTAT.ComponentRegistry.addComponentType("CTATJumble",CTATJumble);var CTATMathInput=function(){CTAT.Component.Base.Tutorable.call(this,"CTATMathInput","myComponent");CTATMathInput.guppyInitialized||(Guppy.init({path:"https://cdn.ctat.cs.cmu.edu/releases/latest/guppy/",symbols:"https://cdn.ctat.cs.cmu.edu/releases/latest/guppy/symbols.json"}),CTATMathInput.guppyInitialized=!0);var a=this,g=null,f=CTATConfiguration.get("previewMode"),d,c,b,e=!1;this.init=function(){this.ctatdebug("init ("+a.getName()+")");d=a.getDivWrap();a.setComponent(d);a.setInitialized(!0);a.addComponentReference(a,
+d);c=document.createElement("div");c.id=d.id+"_math";d.appendChild(c);g=new Guppy(c.id);b=document.createElement("div");b.id=a.getDivWrap().id+"_new";d.appendChild(b);this.ctatdebug("Final location: "+a.getX()+","+a.getY()+" with text: "+a.getValue());d.addEventListener("keydown",function(b){b=b.key;"Enter"===b&&(a.setActionInput("UpdateTextField",a.getValue()),a.processAction(),g.import_text(a.GuppyStyleInput(a.getValue())));"Tab"===b&&(a.setActionInput("UpdateTextField",a.getValue()),a.processAction(),
+g.import_text(a.GuppyStyleInput(a.getValue())))});c.addEventListener("blur",function(b){e||(a.setActionInput("UpdateTextField",a.getValue()),a.processAction(),g.import_text(a.GuppyStyleInput(a.getValue())))});a.observer.observe(a.getDivWrap(),{attributeOldValue:!0});f&&this.addEventScreen(!1)};this.GuppyStyleInput=function(b){if(b.includes("/")){for(var c=b.indexOf("/"),e=c;0<e;e--)if("+"===b[e]||"-"===b[e])return b.slice(0,e+1)+"("+b.slice(e+1,c)+")/"+a.GuppyStyleInput(b.slice(c+1,b.length));return"("+
+b.slice(0,c)+")/"+a.GuppyStyleInput(b.slice(c+1,b.length))}return b};this.getValue=function(){try{return g.asciimath()}catch(h){return""}};this.updateSAI=function(){this.setActionInput("UpdateTextField",a.getValue())};this.setMath=function(b){a.ctatdebug("setMath ("+b+")");g.import_text(b)};this.getConfigurationActions=function(){var b=[],a=$(this.getDivWrap());if(a.attr("value")){var c=new CTATSAI;c.setSelection(this.getName());c.setAction("UpdateTextField");c.setInput(a.attr("value"));b.push(c)}return b};
+this.UpdateTextField=function(b){this.setMath(b)};this.reset=function(){a.configFromDescription();a.processSerialization();g.import_text("")};this.observer=new MutationObserver(function(d,f){d.forEach(function(d){null!==d.target.getAttribute("data-ctat-highlight")&&"false"===d.target.getAttribute("data-ctat-highlight")?"attributes"===d.type&&"data-ctat-enabled"===d.attributeName&&"false"===d.target.getAttribute("data-ctat-enabled")&&(Guppy.Doc.render(g.xml(),b.id),e=!0,a.getDivWrap().removeChild(c),
+f.disconnect()):("attributes"===d.type&&"data-ctat-enabled"===d.attributeName&&"false"===d.target.getAttribute("data-ctat-enabled")&&(Guppy.Doc.render(g.xml(),b.id),e=!0,b.style.color="limegreen",a.getDivWrap().removeChild(c),f.disconnect()),"attributes"===d.type&&"class"===d.attributeName&&(d.target.classList.contains("CTAT--hint")&&(c.style.color="initial"),d.target.classList.contains("CTAT--incorrect")&&(c.style.color="red")))})})};CTATMathInput.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);
+CTATMathInput.prototype.constructor=CTATMathInput;CTAT.ComponentRegistry.addComponentType("CTATMathInput",CTATMathInput);var CTATMobileTutorHandler=function(a,g){CTATBase.call(this,"CTATMobileTutorHandler","mobiletutorhandler");this.ctatdebug("CTATMobileTutorHandler ()");var f="",d=g?g:"disabled",c=!1;/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)&&(c=!0);this.error=function(b){this.ctatdebug(b);alert(b)};this.processOrientationChange=function(b){this.ctatdebug("processOrientationChange ("+b+")")};this.getEnabled=function(){return"disabled"==d||"auto"==d&&0==c?!1:!0};this.processTextFocus=
+function(b,a,g,l,m){this.ctatdebug("processTextFocus ("+b+","+a+","+g+","+l+","+m+")");"disabled"==d||"auto"==d&&0==c||(f="",this.manipulateKeyboard())};this.processEnter=function(){this.ctatdebug("processEnter ()");if("disabled"!=d&&("auto"!=d||0!=c)){var b=getSafeElementById(a);if(null!=b)try{b.processExternalEnter(),this.ctatdebug("Successfully called AS3 method")}catch(e){this.ctatdebug("Error description: "+e.message)}else this.ctatdebug("Error: unable to obtain reference to swf object")}};this.setText=
+function(b){this.ctatdebug("setText ("+b+")");if("disabled"!=d&&("auto"!=d||0!=c))if(null!=CTATGlobals.selectedTextInput){this.ctatdebug("Attempting to call HTML5 method on text object ...");var e=CTATGlobals.selectedTextInput.getText();CTATGlobals.selectedTextInput.setText(e+b)}else if(this.ctatdebug("Attempting to call AS3 method ..."),e=getSafeElementById(a),null!=e)try{f+=b,this.ctatdebug(f),e.processExternalKeyboard(f),this.ctatdebug("Successfully called AS3 method")}catch(h){this.ctatdebug("Error description: "+
+h.message)}else this.ctatdebug("Error: unable to obtain reference to swf object")};this.manipulateKeyboard=function(){this.ctatdebug("manipulateKeyboard()");if("disabled"!=d&&("auto"!=d||0!=c)){this.hideKeyboard();var b=getSafeElementById("keyboardUI");b&&(b.style.visibility="visible")}};this.hideKeyboard=function(){document.activeElement.blur();var b=getSafeElementById("input");b&&b.blur()};this.hideCustomKeyboard=function(){getSafeElementById("keyboardUI").style.visibility="visible"}};
+CTATMobileTutorHandler.prototype=Object.create(CTATBase.prototype);CTATMobileTutorHandler.prototype.constructor=CTATMobileTutorHandler;function processTextFocus(a,g,f,d,c){mobileAPI.processTextFocus(a,g,f,d,c)}function processFocusOut(){closeK()};var CTATMovieClip=function(a,g,f,d,c){CTATBase.call(this,"CTATMovieClip",a);var b=CTATGlobalFunctions.gensym.z_index(),e=CTATGlobalFunctions.gensym.div_id(),h=CTATGlobalFunctions.gensym.z_index();CTATGlobalFunctions.gensym.div_id();var l=[],m=this,n=null;this.wrapComponent=function(a){n=document.createElement("div");n.setAttribute("id",e);n.setAttribute("name",this.getName());n.setAttribute("style","z-index: "+b);n.setAttribute("width",d+"px");n.setAttribute("height",c+"px");n.setAttribute("style",
+"border: 0px; position: absolute; left:"+g+"px; top:"+f+"px; z-index:"+h+";");a.appendChild(n);return n};this.getDivWrapper=function(){return n};this.addComponent=function(b){m.ctatdebug("addComponent ("+b+")");l.push(b)};this.isRegistered=function(b){for(var a=0;a<l.length;a++)if(l[a]==b)return!0;return!1}};CTATMovieClip.prototype=Object.create(CTATBase.prototype);CTATMovieClip.prototype.constructor=CTATMovieClip;CTAT.Geom={};CTAT.Geom.Point={};try{new DOMPoint}catch(a){if(console.log("WARNING: new DOMPoint():",a,typeof a),a instanceof ReferenceError||a instanceof TypeError){console.log("   Using shim!");var DOMPoint=function(g,f,d,c){this.z=this.y=this.x=0;this.w=1;if(g instanceof DOMPoint)for(var b in g)this[b]=g[b];else this.x=g||0,this.y=f||0,this.z=d||0,this.w=c||1}}}CTAT.Geom.Point.useDOMMatrix=!0;try{new DOMMatrix}catch(a){a instanceof ReferenceError&&(CTAT.Geom.Point.useDOMMatrix=!1)}
+CTAT.Geom.Point.add=function(){if(CTAT.Geom.Point.useDOMMatrix){for(var a=new DOMMatrix,g,f=0;f<arguments.length;f++)g=arguments[f],a.translateSelf(g.x/g.w,g.y/g.w,g.z/g.w);return a.transformPoint(new DOMPoint)}return Array.prototype.reduce.call(arguments,function(a,c){for(var b in a)"w"!=b&&0!==c[b]&&(a[b]+=c[b]/c.w);return a},new DOMPoint)};
+DOMPoint.prototype.add||Object.defineProperty(DOMPoint.prototype,"add",{enumerable:!1,value:function(a){return CTAT.Geom.Point.useDOMMatrix?(new DOMMatrix).translate(a.x/a.w,a.y/a.w,a.z/a.w).transformPoint(this):CTAT.Geom.Point.add(this,a)}});CTAT.Geom.Point.angle=function(a,g){return Math.acos(DOMPoint.dot(a,g)/(a.magnitude*g.magnitude))};CTAT.Geom.Point.angle_degrees=function(a,g){return CTAT.Math.rad2deg(CTAT.Geom.Point.angle(a,g))};
+CTAT.Geom.Point.angle_between_2d=function(a,g){return CTAT.Math.rad2deg(Math.atan2(g.y,g.x)-Math.atan2(a.y,a.x))};DOMPoint.prototype.clone||Object.defineProperty(DOMPoint.prototype,"clone",{value:function(){return new DOMPoint(this.x,this.y,this.z,this.w)}});CTAT.Geom.Point.distance=function(a,g){var f=CTAT.Geom.Point.add(a,CTAT.Geom.Point.scale(g,-1));return Math.sqrt(CTAT.Geom.Point.dot(f,f))};
+DOMPoint.prototype.distance||Object.defineProperty(DOMPoint.prototype,"distance",{value:function(a){return CTAT.Geom.Point.distance(this,a)}});CTAT.Geom.Point.dot=function(a,g){return(a.x*g.x+a.y*g.y+a.z*g.z)/(a.w*g.w)};CTAT.Geom.Point.equals=function(a,g){var f=!0,d;for(d in a)if(d in g?"w"!=d&&(f&=a[d]/a.w==g[d]/g.w):f=!1,!f)break;return f};CTAT.Geom.Point.interpolate=function(a,g,f){return CTAT.Geom.Point.add(a.scale(f),g.scale(1-f))};
 "magnitude"in DOMPoint.prototype||Object.defineProperty(DOMPoint.prototype,"magnitude",{enumerable:!1,get:function(){return CTAT.Math.round(Math.sqrt(CTAT.Geom.Point.dot(this,this)))}});DOMPoint.prototype.normalize||Object.defineProperty(DOMPoint.prototype,"normalize",{value:function(a){return this.scale((a?a:1)/this.magnitude)}});
-CTAT.Geom.Point.scale=function(a,b){if(CTAT.Geom.Point.useDOMMatrix)return(new DOMMatrix).scale(b).transformPoint(a);var e=new DOMPoint(a),g;for(g in e)"w"!=g&&(e[g]=CTAT.Math.round(a[g]*b));return e};DOMPoint.prototype.scale||Object.defineProperty(DOMPoint.prototype,"scale",{value:function(a){return CTAT.Geom.Point.scale(this,a)}});CTAT.Geom.Point.polar=function(a,b){return new DOMPoint(CTAT.Math.round(a*Math.cos(b)),CTAT.Math.round(a*Math.sin(b)))};
-CTAT.Geom.Point.is_on_line=function(a,b,e){return 1E-4>Math.abs(a.distance(e)+b.distance(e)-a.distance(b))};CTAT.Geom.Point.circle_intersection=function(a,b,e,g){b=b.add(a.scale(-1)).normalize();var d=CTAT.Geom.Point.dot(b,e.add(a.scale(-1))),c=a.add(b.scale(d));e=CTAT.Geom.Point.distance(e,c);return e<g?(g=Math.sqrt(g*g-e*e),[a.add(b.scale(d-g)),a.add(b.scale(d+g))]):e==g?[c]:[]};CTAT.Geom.Point.to2DString=function(a,b){var e=[a.x/a.w,a.y/a.w].join();b&&(e="("+e+")");return e};CTAT.Geom.Rectangle={};try{new DOMRect}catch(a){if(console.log("WARNING: new DOMRect():",a,typeof a),a instanceof ReferenceError||a instanceof TypeError){console.log("    Using shim!");var DOMRect=function(b,e,g,d){this.x=b||0;this.y=e||0;this.width=g||0;this.height=d||0;return this}}}"left"in DOMRect.prototype||Object.defineProperty(DOMRect.prototype,"left",{get:function(){return Math.min(this.x,this.x+this.width)}});
+CTAT.Geom.Point.scale=function(a,g){if(CTAT.Geom.Point.useDOMMatrix)return(new DOMMatrix).scale(g).transformPoint(a);var f=new DOMPoint(a),d;for(d in f)"w"!=d&&(f[d]=CTAT.Math.round(a[d]*g));return f};DOMPoint.prototype.scale||Object.defineProperty(DOMPoint.prototype,"scale",{value:function(a){return CTAT.Geom.Point.scale(this,a)}});CTAT.Geom.Point.polar=function(a,g){return new DOMPoint(CTAT.Math.round(a*Math.cos(g)),CTAT.Math.round(a*Math.sin(g)))};
+CTAT.Geom.Point.is_on_line=function(a,g,f){return 1E-4>Math.abs(a.distance(f)+g.distance(f)-a.distance(g))};CTAT.Geom.Point.circle_intersection=function(a,g,f,d){g=g.add(a.scale(-1)).normalize();var c=CTAT.Geom.Point.dot(g,f.add(a.scale(-1))),b=a.add(g.scale(c));f=CTAT.Geom.Point.distance(f,b);return f<d?(d=Math.sqrt(d*d-f*f),[a.add(g.scale(c-d)),a.add(g.scale(c+d))]):f==d?[b]:[]};CTAT.Geom.Point.to2DString=function(a,g){var f=[a.x/a.w,a.y/a.w].join();g&&(f="("+f+")");return f};CTAT.Geom.Rectangle={};try{new DOMRect}catch(a){if(console.log("WARNING: new DOMRect():",a,typeof a),a instanceof ReferenceError||a instanceof TypeError){console.log("    Using shim!");var DOMRect=function(g,f,d,c){this.x=g||0;this.y=f||0;this.width=d||0;this.height=c||0;return this}}}"left"in DOMRect.prototype||Object.defineProperty(DOMRect.prototype,"left",{get:function(){return Math.min(this.x,this.x+this.width)}});
 "right"in DOMRect.prototype||Object.defineProperty(DOMRect.prototype,"right",{get:function(){return Math.max(this.x,this.x+this.width)}});"top"in DOMRect.prototype||Object.defineProperty(DOMRect.prototype,"top",{get:function(){return Math.min(this.y,this.y+this.height)}});"bottom"in DOMRect.prototype||Object.defineProperty(DOMRect.prototype,"bottom",{get:function(){return Math.max(this.y,this.y+this.height)}});
-CTAT.Geom.Rectangle.contains=function(a,b,e){var g=CTAT.Geom.Rectangle.contains;if(b instanceof DOMRect)return g(a,b.left,b.top)&g(a,b.right,b.bottom);if(b instanceof DOMPoint){var d=!0;if(e instanceof DOMPoint)d=g(a,e.x/e.w,e.y/e.w);else if("number"==typeof e)return g(a,b.x-e,b.y-e)&g(a,b.x+e,b.y+e);return d&g(a,b.x,b.y)}return a.left<=b&a.right>=b&a.top<=e&a.bottom>=e};
-DOMRect.prototype.contains||Object.defineProperty(DOMRect.prototype,"contains",{value:function(a,b){return CTAT.Geom.Rectangle.contains(this,a,b)}});DOMRect.prototype.clone||Object.defineProperty(DOMRect.prototype,"clone",{value:function(){return new DOMRect(this.x,this.y,this.width,this.height)}});DOMRect.prototype.copyFrom||Object.defineProperty(DOMRect.prototype,"copyFrom",{value:function(a){this.x=a.x;this.y=a.y;this.width=a.width;this.height=a.height;return this}});
-CTAT.Geom.Rectangle.equals=function(a,b){return a.left==b.left&&a.top==b.top&&a.right==b.right&&a.bottom==b.bottom};CTAT.Geom.Rectangle.inflate=function(a,b,e){b=b?b:0;e=e?e:0;b instanceof DOMPoint&&(e=b.y,b=b.x);a=a.clone();a.x-=b;a.y-=e;a.width+=2*b;a.height+=2*e;return a};CTAT.Geom.Rectangle.isEmpty=function(a){return 0===a.width||0===a.height};CTAT.Geom.Rectangle.setEmpty=function(a){a.x=0;a.y=0;a.width=0;a.height=0;return a};
-CTAT.Geom.Rectangle.setTo=function(a,b,e,g,d){a.x=b;a.y=e;a.width=g;a.height=d;return a};CTAT.Geom.Rectangle.offset=function(a,b,e){b=b?b:0;e=e?e:0;b instanceof DOMPoint&&(e=b.y,b=b.x);a=a.clone();a.x+=b;a.y+=e;return a};CTAT.Geom.Rectangle.union=function(a,b){var e=new DOMRect;e.x=Math.min(a.x,b.x);e.y=Math.min(a.y,b.y);e.width=Math.max(a.right,b.right)-e.x;e.height=Math.max(a.bottom,b.bottom)-e.y;return e};var CTATNumberLine=function(a,b,e,g,d){CTAT.Component.Base.SVG.call(this,"CTATNumberLine","aNumberLine",a,b,e,g,d);var c=CTAT.Math.Fraction,f=CTATGlobals.NameSpace.svg;a=function(a,b,d,e,g){this.numberline=a;this.step=new c(b);this.size=d;this.origin=new c(0);e=e?e:null;g=g?g:null;this.g=null;this.setStep=function(a){this.step=new c(a)};this.setSize=function(a){a=Number(a);isNaN(a)&&(a=d);this.size=a};this.setOrigin=function(a){this.origin=new c(a)};this.generate=function(){if(this.numberline){var a=
-new c,b=document.createDocumentFragment(),d=document.createElementNS(f,"g");d.setAttributeNS(null,"data-step-size",this.step.toString());d.setAttributeNS(null,"pointer-events","none");e&&d.classList.add(e);b.appendChild(d);if(0<this.step){for(a.set(this.origin).reduce();a<=this.numberline.Maximum;)a>=this.numberline.Minimum&&d.appendChild(this.numberline.genTickmark(a,null,this.size)),a=a.add(this.step);a.set(this.origin).reduce();for(a=a.subtract(this.step);a>=this.numberline.Minimum;)a<=this.numberline.Maximum&&
-d.appendChild(this.numberline.genTickmark(a,null,this.size)),a=a.subtract(this.step)}g&&$(d).find("text.CTATNumberLine--tickmark-label").each(function(){this.classList.add(g)});return b}}};var h=new a(this,new c(1),30,"CTATNumberLine--large-tickmark","CTATNumberLine--large-tickmark-label");this.setLargeTickSize=function(a){h.setSize(s);this.render();return this};this.setParameterHandler("LargeTickmarkSize",this.setLargeTickSize);this.setParameterHandler("LargeTickmarkStep",function(a){h.setStep(a);
-this.render();return this});this.data_ctat_handlers["large-tick-step"]=function(a){h.setStep(a);this.render()};var m=new a(this,new c(1,2),20,"CTATNumberLine--small-tickmark","CTATNumberLine--small-tickmark-label");this.setSmallTickSize=function(a){m.setSize(s);this.render();return this};this.setParameterHandler("SmallTickmarkSize",this.setSmallTickSize);this.setParameterHandler("SmallTickmarkStep",function(a){m.setStep(a);this.render();return this});this.data_ctat_handlers["small-tick-step"]=function(a){m.setStep(a);
-this.render()};var l=new a(this,new c(0),25,"CTATNumberLine--denominator-tickmark","CTATNumberLine--denominator-tickmark-label");this.setParameterHandler("DenominatorTickmarkSize",function(a){l.setSize(a);this.render();return this});this.setParameterHandler("DenominatorTickmarkStep",function(a){l.setStep((new c(a)).reciprocal())});this.data_ctat_handlers.denominator=function(a){a=new c(a);l.setStep(a.reciprocal())};this.setColor=function(a){console.log("numberline.setColor");this.color=a=CTATGlobalFunctions.formatColor(a);
-for(var b=$(this.getDivWrap()).find("g"),c=0;c<b.length;c++)$(b[c]).css("stroke",a)};this.getColor=function(){console.log("numberline.getColor");return this.color};this.X_Axis=new function(a,b,c,d){var f={};this.svg_group=null;var e=a;Object.defineProperty(this,"start",{get:function(){return e},set:function(a){f={};e=a}});Object.defineProperty(this,"min_loc",{get:function(){if(!f.hasOwnProperty("min_loc")){var a=this.start.clone(),b=CTAT.Geom.Point.polar(20,this.angle()),a=a.add(b);a.x=CTAT.Math.round(a.x);
-a.y=CTAT.Math.round(a.y);f.min_loc=a}return f.min_loc}});var g=b;Object.defineProperty(this,"end",{get:function(){return g},set:function(a){f={};g=a}});Object.defineProperty(this,"max_loc",{get:function(){if(!f.hasOwnProperty("max_loc")){var a=this.end.clone(),b=CTAT.Geom.Point.polar(20,this.angle()),a=a.add(b.scale(-1));a.x=CTAT.Math.round(a.x);a.y=CTAT.Math.round(a.y);f.max_loc=a}return f.max_loc}});var l=c;Object.defineProperty(this,"min",{get:function(){return l},set:function(a){f={};l=a}});var h=
-d;Object.defineProperty(this,"max",{get:function(){return h},set:function(a){f={};h=a}});Object.defineProperty(this,"length",{get:function(){f.hasOwnProperty("length")||(f.length=CTAT.Math.round(this.min_loc.distance(this.max_loc)));return f.length}});this.isHorizontal=function(){return this.start.y===this.end.y};this.isVertical=function(){return this.start.x===this.end.x};Object.defineProperty(this,"range",{get:function(){return this.max.subtract(this.min)}});Object.defineProperty(this,"step_size",
-{get:function(){return CTAT.Geom.Point.equals(this.min_loc,this.max_loc)?this.length:CTAT.Math.round(this.length/this.range)}});this.s_vec=function(){return this.max_loc.add(this.min_loc.scale(-1))};this.slope=function(){var a=this.s_vec();return a.y/a.x};this.step=function(){f.hasOwnProperty("step")||(f.step=this.s_vec().normalize(this.step_size));return f.step};this.scalar=function(){f.hasOwnProperty("scalar")||(f.scalar=this.range/this.length);return f.scalar};this.zero=function(){f.hasOwnProperty("zero")||
-(f.zero=this.min_loc.add(this.step().scale(-this.min)),f.zero.x=CTAT.Math.round(f.zero.x),f.zero.y=CTAT.Math.round(f.zero.y));return f.zero};this.angle=function(){if(!f.hasOwnProperty("angle")){var a=this.end.add(this.start.scale(-1));f.angle=Math.atan2(a.y,a.x)}return f.angle};this.angle_deg=function(){return CTAT.Math.rad2deg(this.angle())};this.getPosition=function(a){a=this.zero().add(this.step().scale(1*a));a.x=CTAT.Math.round(a.x);a.y=CTAT.Math.round(a.y);return a};this.projected_point=function(a){var b=
-this.s_vec(),c=a.add(this.min_loc.scale(-1)),c=0+(b.y*c.x-b.x*c.y)/(b.y*b.y+b.x*b.x);return a.add(new DOMPoint(-c*b.y,c*b.x))};this.getProjectedPoint=function(a){a=this.projected_point(a);return a.distance(this.max_loc)>this.length?this.min_loc:a.distance(this.min_loc)>this.length?this.max_loc:a};this.getAxisValue=function(a){return CTAT.Math.round(l+this.scalar()*this.min_loc.distance(this.getProjectedPoint(a)))}}(new DOMPoint(0,0),new DOMPoint(0,0),new c(0),new c(3));Object.defineProperty(this,
-"Maximum",{get:function(){return this.X_Axis.max},set:function(a){this.X_Axis.max=new c(a)}});this.setMaximum=function(a){this.Maximum=a};this.setParameterHandler("Maximum",this.setMaximum);this.data_ctat_handlers.maximum=this.setMaximum;Object.defineProperty(this,"Minimum",{get:function(){return this.X_Axis.min},set:function(a){this.X_Axis.min=new c(a)}});this.setMinimum=function(a){this.Minimum=a};this.setParameterHandler("Minimum",this.setMinimum);this.data_ctat_handlers.minimum=this.setMinimum;
-var q=1;Object.defineProperty(this,"Max_Points",{get:function(){return q},set:function(a){a=parseInt(a);isNaN(a)||(q=a)}});this.setMaxPoints=function(a){this.Max_Points=a};this.setParameterHandler("Max_Points",this.setMaxPoints);this.data_ctat_handlers["max-points"]=this.setMaxPoints;var p=7;this.setPointSize=function(a){p=Number(a);n&&(n.setAttributeNS(null,"r",p),$(this._point_group).find("circle").each(function(){$(this).attr("r",p)}))};this.setStyleHandler("PointSize",this.setPointSize);this.data_ctat_handlers["point-size"]=
-this.setPointSize;var u=!1;this.setSnapToTickMark=function(a){u=CTATGlobalFunctions.toBoolean(a)};this.setParameterHandler("SnapToTickmark",this.setSnapToTickMark);this.data_ctat_handlers.snap=this.setSnapToTickMark;this.theta=0;Object.defineProperty(this,"Orientation",{get:function(){return 180*this.theta/Math.PI},set:function(a){a=Number(a);isNaN(a)&&(a=0);this.theta=Math.PI*a/180}});this.setOrientation=function(a){this.Orientation=a;this.render()};this.setParameterHandler("Orientation",this.setOrientation);
-this.data_ctat_handlers.rotation=this.setOrientation;this._tickmarks=[];this.genTickmark=function(a,b,c){var d=document.createDocumentFragment();if(!this._tickmarks.some(function(b){return b.data.equals(a)})){var e=document.createElementNS(f,"line"),g=this.X_Axis.getPosition(a),l=CTAT.Geom.Point.polar(c/2,this.theta+Math.PI/2).add(g);c=CTAT.Geom.Point.polar(-c/2,this.theta+Math.PI/2).add(g);e.setAttributeNS(null,"x1",l.x);e.setAttributeNS(null,"y1",l.y);e.setAttributeNS(null,"x2",c.x);e.setAttributeNS(null,
-"y2",c.y);e.setAttributeNS(null,"data-value",a.toString());e.data=a;e.location=g;e.label=null;this._tickmarks.push(e);d.appendChild(e);if(""!==b){g=document.createElementNS(f,"text");g.classList.add("CTATNumberLine--tickmark-label");g.setAttributeNS(null,"text-anchor","middle");d.appendChild(g);if(null===b||void 0===b)if(1==a.denominator)g.appendChild(document.createTextNode(String(a.numerator.toPrecision(N)))),g.setAttributeNS(null,"x",c.x),g.setAttributeNS(null,"y",c.y);else{b=""+String(a.numerator);
-l=""+String(a.denominator);g.style.fontSize="0.6em";g.setAttributeNS(null,"text-align","center");var h=document.createElementNS(f,"tspan"),m=document.createElementNS(f,"tspan");h.appendChild(document.createTextNode(b));m.appendChild(document.createTextNode(l));g.appendChild(h);g.appendChild(m);h.setAttributeNS(null,"text-anchor","middle");h.setAttributeNS(null,"x",c.x);h.setAttributeNS(null,"y",c.y);h.setAttributeNS(null,"dy","-1em");m.setAttributeNS(null,"text-anchor","middle");m.setAttributeNS(null,
-"x",c.x);m.setAttributeNS(null,"y",c.y);b.length>l.length?h.style.textDecoration="underline":m.style.textDecoration="overline"}else g.appendChild(document.createTextNode(b.toString())),d.appendChild(tlabel),g.setAttributeNS(null,"x",c.x),g.setAttributeNS(null,"y",c.y);e.label=g}}return d};var r=function(){if(null!==this.X_Axis&&null!==this.X_Axis.svg_group){var a=this.getBoundingBox(),b=window.getComputedStyle(this._axis_line_group),b=parseInt(b.getPropertyValue("stroke-width")),a=CTAT.Geom.Rectangle.inflate(a,
--b,-b),c=new DOMPoint(a.width/2,a.height/2),d=c.add(CTAT.Geom.Point.polar(Math.min(40,a.height,a.width)/4,this.theta)),e=Math.sin(this.theta),g=-Math.cos(this.theta),n=e*c.x+g*c.y,r=-a.height*g,q=-e*a.width,b=new DOMPoint(a.left,c.y),c=new DOMPoint(a.right,c.y);if(0<Math.abs(CTAT.Math.round(r))){var r=new DOMPoint(a.left,(n-e*a.left)/g),w=new DOMPoint(a.right,(n-e*a.right)/g);if(a.contains(r)||a.contains(w))d.distance(r)<d.distance(w)?(b=w,c=r):(b=r,c=w)}0<Math.abs(CTAT.Math.round(q))&&(q=new DOMPoint((n-
-g*a.top)/e,a.top),e=new DOMPoint((n-g*a.bottom)/e,a.bottom),a.contains(q)||a.contains(e))&&(d.distance(q)<d.distance(e)?(b=e,c=q):(b=q,c=e));if(this.X_Axis.start.x!=b.x||this.X_Axis.start.y!=b.y||this.X_Axis.end.x!=c.x||this.X_Axis.end.y!=c.y)this.X_Axis.start=b,this.X_Axis.end=c,this.X_Axis.svg_group.innerHTML="",a=document.createDocumentFragment(),d=document.createElementNS(f,"line"),d.setAttributeNS(null,"x1",b.x),d.setAttributeNS(null,"y1",b.y),d.setAttributeNS(null,"x2",c.x),d.setAttributeNS(null,
-"y2",c.y),a.appendChild(d),d=document.createElementNS(f,"path"),d.setAttributeNS(null,"d","M 10,6 L 0,0 L 10,-6"),d.setAttributeNS(null,"transform","translate("+CTAT.Geom.Point.to2DString(b)+") rotate("+this.Orientation+")"),a.appendChild(d),b=document.createElementNS(f,"path"),b.setAttributeNS(null,"d","M -10,6 L 0,0 L -10,-6"),b.setAttributeNS(null,"transform","translate("+CTAT.Geom.Point.to2DString(c)+") rotate("+this.Orientation+")"),a.appendChild(b),this.X_Axis.svg_group.appendChild(a);this._tickmarks=
-[];b=document.createDocumentFragment();b.appendChild(h.generate());b.appendChild(m.generate());b.appendChild(l.generate());this._tick_mark_group.innerHTML="";this._tick_mark_group.appendChild(b);b=this._point_group.children;for(c=0;c<b.length;c++)a=b[c],d=this.X_Axis.getPosition(a.value),e=new DOMPoint(a.cx.baseVal.value,a.cy.baseVal.value),1<d.distance(e)&&(a.cx.baseVal.value=d.x,a.cy.baseVal.value=d.y)}}.bind(this),w=0,n=null,B=new DOMPoint(-30,-30),v=!1,y=function(a){B.x=a.clientX;B.y=a.clientY},
-A=function(a){cancelAnimationFrame(w);n.style.visibility="hidden";v=!1},F=function(a){if(!0===this.getEnabled()&&0<q){this.setHintHighlight(!1);var b;u?(a=E(a.clientX,a.clientY),b=a.location,a=a.data):(a=x(a.clientX,a.clientY),b=this.X_Axis.getProjectedPoint(a),a=this.X_Axis.getAxisValue(a));var c=document.createElementNS(f,"circle");c.classList.add("CTATNumberLine--point");c.setAttributeNS(null,"cx",b.x);c.setAttributeNS(null,"cy",b.y);c.setAttributeNS(null,"r",p);c.value=a;if(this._point_group.children.length>=
-this.Max_Points){b=[].slice.call(this._point_group.children);var d=b.filter(function(a,b,c){return a.classList.contains("CTAT--incorrect")});0<d.length?this._point_group.removeChild(d[0]):(b=b.filter(function(a,b,c){return!a.classList.contains("CTAT--correct")}),0<b.length&&this._point_group.removeChild(b[0]))}this._point_group.appendChild(c);this.setActionInput("AddPoint",a.toString());this.processAction()}}.bind(this);this.init=function(){this.initSVG();this.component.classList.add("CTATNumberLine--container");
-this._axis_line_group=document.createElementNS(f,"g");this._axis_line_group.classList.add("CTATNumberLine--axis");this._tick_mark_group=document.createElementNS(f,"g");this._tick_mark_group.classList.add("CTATNumberLine--tickmark");this._point_group=document.createElementNS(f,"g");n=document.createElementNS(f,"circle");n.setAttributeNS(null,"r",p);n.classList.add("CTATNumberLine--cursor");n.setAttributeNS(null,"transform","translate(-30,-30)");this.component.appendChild(this._axis_line_group);this.component.appendChild(this._tick_mark_group);
-this.component.appendChild(this._point_group);this.component.appendChild(n);this.X_Axis.svg_group=this._axis_line_group;r();this.addComponentReference(this,this.getDivWrap());this.component.addEventListener("mousemove",y);this.component.addEventListener("mouseleave",A);var a=this.getEnabled;this.component.addEventListener("mouseenter",function(){!0===a()&&0<q&&(v=!0,n.style.visibility=null,w=requestAnimationFrame(t))});this.component.addEventListener("click",F);this.component.addEventListener("focus",
-this.processFocus)};this.getConfigurationActions=function(){var a=[],b,c=$(this.getDivWrap());c.attr("data-ctat-minimum")&&(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("set_minimum"),b.setInput(c.attr("data-ctat-minimum")),a.push(b));c.attr("data-ctat-maximum")&&(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("set_maximum"),b.setInput(c.attr("data-ctat-maximum")),a.push(b));c.attr("data-ctat-max-points")&&(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("set_max_user_entries"),
-b.setInput(c.attr("data-ctat-max-points")),a.push(b));c.attr("data-ctat-large-tick-step")&&(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("set_large_step"),b.setInput(c.attr("data-ctat-large-tick-step")),a.push(b));c.attr("data-ctat-small-tick-step")&&(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("set_small_step"),b.setInput(c.attr("data-ctat-small-tick-step")),a.push(b));c.attr("data-ctat-denominator")&&(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("set_denominator"),
-b.setInput(c.attr("data-ctat-denominator")),a.push(b));return a};var D=-1<navigator.userAgent.toLowerCase().indexOf("firefox"),x=function(a,b){this.svgPoint=this.svgPoint?this.svgPoint:this.component.createSVGPoint();this.svgPoint.x=a;this.svgPoint.y=b;var c=this._axis_line_group.getScreenCTM().inverse();this.svgPoint=this.svgPoint.matrixTransform(c);c=new DOMPoint(this.svgPoint.x,this.svgPoint.y);if(D){var d=$(this.component),f=parseInt(d.css("borderLeftWidth"))+parseInt(d.css("paddingLeft"))+parseInt(d.css("marginLeft")),
-d=parseInt(d.css("borderTopWidth"))+parseInt(d.css("paddingTop"))+parseInt(d.css("marginTop"));c.x-=f;c.y-=d}return c}.bind(this),C=function(a,b){return this.getProjectedPoint(x(a,b))}.bind(this.X_Axis),E=function(a,b){for(var c=C(a,b),d=null,f=Number.POSITIVE_INFINITY,e,g,l=0;l<this._tickmarks.length;l++)e=this._tickmarks[l],g=c.distance(e.location),g<f&&(d=e,f=g);return d}.bind(this),t=function(){if(v&&!0===this.getEnabled()){if(u){var a=E(B.x,B.y);n.setAttributeNS(null,"transform","translate"+
-CTAT.Geom.Point.to2DString(a.location,!0))}else n.setAttributeNS(null,"transform","translate"+CTAT.Geom.Point.to2DString(C(B.x,B.y),!0));w=requestAnimationFrame(t)}}.bind(this);this.render=function(){r()};this.calcXCoordinate=function(a){a=new c(a);var b=this.getWidth()-30,b=Math.abs(b-30),d=max.subtract(min);return 30+a.subtract(min).divide(d)/b};this.calcNum=function(a){var b=this.getWidth()-30,b=Math.abs(b-30);a=max.subtract(min).multiply((a-30)/b);return min.add(a)};var G=function(a,b){switch(b.getClassName()){case "CTATMessage":b=
-b.getSAI()}var c=b.clone();c.setAction(a.getSAI().getAction());c.setSelection(a.getName());return c};this.showCorrect=function(a){a.getInput();var b=a.getAction(),c=function(b){b.setCorrect(G(b,a))};switch(b){case "AddPoint":0<this._point_group.children.length&&(b=[].slice.call(this._point_group.children),c=b[b.length-1],c.classList.remove("CTAT--incorrect"),c.classList.remove("CTAT--hint"),c.classList.add("CTAT--correct"),this.getDisableOnCorrect()&&(b.length>=this.Max_Points&&b.every(function(a){return a.classList.contains("CTAT--correct")})?
-this.setEnabled(!1):this.setEnabled(!0)));break;case "Points":b=this._point_group.children;for(c=0;c<b.length;c++){var d=b[c];d.classList.remove("CTAT--incorrect");d.classList.remove("CTAT--hint");d.classList.add("CTAT--correct")}break;case "set_minimum":S(Q()).forEach(c);break;case "set_maximum":S(L()).forEach(c);break;case "set_large_step":S(M()).forEach(c);break;case "set_small_step":S(R()).forEach(c);break;case "set_denominator":S(T()).forEach(c);break;default:console.log("Unhandled Action in",
-this.getName(),b)}};this.showInCorrect=function(a){a.getInput();var b=a.getAction(),c=function(b){b.setIncorrect(G(b,a))};switch(b){case "AddPoint":0<this._point_group.children.length&&(b=[].slice.call(this._point_group.children),b=b[b.length-1],b.classList.remove("CTAT--correct"),b.classList.remove("CTAT--hint"),b.classList.add("CTAT--incorrect"));break;case "Points":b=this._point_group.children;for(c=0;c<b.length;c++){var d=b[c];d.classList.remove("CTAT--correct");d.classList.remove("CTAT--hint");
-d.classList.add("CTAT--incorrect")}break;case "set_minimum":S(Q()).forEach(c);break;case "set_maximum":S(L()).forEach(c);break;case "set_large_step":S(M()).forEach(c);break;case "set_small_step":S(R()).forEach(c);break;case "set_denominator":S(T()).forEach(c);break;default:console.log("Unhandled Action in",this.getName(),b)}};var z=this.setEnabled;this.setEnabled=function(a){z(a);n&&v&&(n.style.visibility=this.getEnabled()?null:"hidden")};this.set_minimum=function(a){this.Minimum=a;this.render()};
-this.change_minimum=function(a){a=new c(a);0!==a.valueOf()&&(this.Minimum=this.Minimum.add(a),this.render())};var J=function(){this.setActionInput("set_minimum",this.Minimum)}.bind(this);this.set_maximum=function(a){this.Maximum=a;this.render()};this.change_maximum=function(a){a=new c(a);0!==a.valueOf()&&(this.Maximum=this.Maximum.add(a),this.render())};var H=function(){this.setActionInput("set_maximum",this.Maximum)}.bind(this);this.set_max_user_entries=function(a){this.setMaxPoints(parseInt(a))};
-a=function(a,b){a.setStep(b);this.render()};this.set_large_step=a.bind(this,h);var K=function(){this.setActionInput("set_large_step",h.step.toString())}.bind(this);this.set_small_step=a.bind(this,m);var I=function(){this.setActionInput("set_small_step",m.step.toString())}.bind(this);this.set_denominator=function(a){0===parseInt(a)?l.setStep(0):l.setStep((new c(a)).reciprocal());this.render()};var P=function(){var a=0===l.step.valueOf()?0:l.step.reciprocal();this.setActionInput("set_denominator",a.toString())}.bind(this);
-a=function(a,b){if(0!==(new c(b)).valueOf()){var d=a.step.add(b);0>d.valueOf()&&d.set(0,1);a.setStep(d);this.render()}};this.change_large_step=a.bind(this,h);this.change_small_step=a.bind(this,m);this.change_denominator=function(a){a=new c(a);0!==a.valueOf()&&(a=a.add(l.step.denominator),l.setStep(a.reciprocal()),this.render())};var N=void 0;this.set_precision=function(a){N=parseInt(a);this.render()};this.AddPoint=function(a,b){var d=new c(a),e=this.X_Axis.getPosition(d),g=document.createElementNS(f,
-"circle");g.classList.add("CTATNumberLine--point");g.setAttributeNS(null,"cx",e.x);g.setAttributeNS(null,"cy",e.y);g.setAttributeNS(null,"r",p);g.value=d;[].slice.call(this._point_group.children).some(function(a){return d.equals(a.value)})||this._point_group.appendChild(g)};this.Points=function(a,b){this._point_group.innerHTML="";var c=a.split(";"),d;for(d in c)this.AddPoint(c[d],b)};var O=function(a,b,c,d){switch(d.getAction()){case "ButtonPressed":a.call(this,d.getInput());break;case "Update":case "UpdateTextField":case "UpdateTextArea":b.call(this,
-d.getInput())}c.call();this.processAction(!1,!0)};a=function(a){return(a=$(this.getDivWrap()).attr(a))?a.split(/\s*;\s*/).map(function(a){return a.trim()}):[]};var L=a.bind(this,"data-ctat-ctrl-max"),Q=a.bind(this,"data-ctat-ctrl-min"),M=a.bind(this,"data-ctat-ctrl-large-tick"),R=a.bind(this,"data-ctat-ctrl-small-tick"),T=a.bind(this,"data-ctat-ctrl-denominator"),S=function(a){return a.map(function(a){return $("#"+a).data("CTATComponent")})},Z=function(a){var b=null;if(a instanceof CTAT.Component.Base.Tutorable)a!=
-this&&(b=a.getName());else if(a instanceof CTATSAI)a.getSelection()!=pointer.getName()&&(b=a.getSelection());else if(a instanceof String)a!=pointer.getName()&&(b=a);else if(a instanceof Element)a!=pointer.getComponent()&&(b=a.id);else return null;if(b){if(U(b))return O.bind(this,this.change_denominator,this.set_denominator,P);if(V(b))return O.bind(this,this.change_small_step,this.set_small_step,I);if(W(b))return O.bind(this,this.change_large_step,this.set_large_step,K);if(X(b))return O.bind(this,
-this.change_minimum,this.set_minimum,J);if(Y(b))return O.bind(this,this.change_maximum,this.set_maximum,H)}return null}.bind(this);CTATConfiguration.get("previewMode")||document.addEventListener(CTAT.Component.Base.Tutorable.EventType.action,function(a){var b=a.detail.sai;a=Z(a.detail.component);b&&null!==a&&a(b)},!1);this.setMaxControllers=function(a){$(this.getDivWrap()).attr("data-ctat-ctrl-max",a)};this.setParameterHandler("MaxValueControllers",this.setMaxControllers);this.setMinControllers=function(a){$(this.getDivWrap()).attr("data-ctat-ctrl-min",
-a)};this.setParameterHandler("MinValueControllers",this.setMinControllers);this.setLargeTickControllers=function(a){$(this.getDivWrap()).attr("data-ctat-ctrl-large-tick",a)};this.setParameterHandler("LargeTickmarkControllers",this.setLargeTickControllers);this.setSmallTickControllers=function(a){$(this.getDivWrap()).attr("data-ctat-ctrl-small-tick",a)};this.setParameterHandler("SmallTickmarkControllers",this.setSmallTickControllers);this.setDenominatorControllers=function(a){$(this.getDivWrap()).attr("data-ctat-ctrl-denominator",
-a)};this.setParameterHandler("DenominatorTickmarkControllers",this.setDenominatorControllers);a=function(a,b){return 0<=a().indexOf(b)};var Y=a.bind(null,L),X=a.bind(null,Q),W=a.bind(null,M),V=a.bind(null,R),U=a.bind(null,T);this.grade=function(a){a=a.getDivWrap().id;Y(a)?(this.setAction("set_maximum"),this.setInput(this.Maximum.toString())):X(a)?(this.setAction("set_minimum"),this.setInput(this.Minimum.toString())):W(a)?(this.setAction("set_large_step"),this.setInput(h.step.toString())):V(a)?(this.setAction("set_small_step"),
-this.setInput(m.step.toString())):U(a)?(this.setAction("set_denominator"),this.setInput(l.step.reciprocal().toString())):this.updateSAI();this.processAction(!0)};this.updateSAI=function(){for(var a=this._point_group.children,b=[],c=0;c<a.length;c++)b.push(a[c].value);b.sort(function(a,b){return a-b});this.setActionInput("Points",b.join(";"))}};CTATNumberLine.prototype=Object.create(CTAT.Component.Base.SVG.prototype);CTATNumberLine.prototype.constructor=CTATNumberLine;
-CTAT.ComponentRegistry.addComponentType("CTATNumberLine",CTATNumberLine);var CTATNumericStepper=function(a,b,e,g,d){CTAT.Component.Base.Tutorable.call(this,"CTATNumericStepper","__undefined__",a,b,e,g,d);this.setAction("Update");var c=document.createElement("input");c.type="number";this.set_maximum=function(a){a=Number(a);isNaN(a)||(c.max=a)};this.setParameterHandler("maximum",this.set_maximum);this.set_minimum=function(a){a=Number(a);isNaN(a)||(c.min=a)};this.setParameterHandler("minimum",this.set_minimum);this.set_step=function(a){a=Number(a);isNaN(a)||(c.step=a)};this.setParameterHandler("stepSize",
-this.set_step);this.update_value=function(a){a=Number(a);isNaN(a)||(c.value=a,this.setInput(a))};this.setParameterHandler("value",this.update_value);this.updateSAI=function(){this.setInput(c.value)};this.Update=this.update_value;this.init=function(){c.id=this.getName()+"_spinner";this.setComponent(c);this.setInitialized(!0);var a=$(this.getDivWrap()),b=$(c);"autofocus defaultValue placeholder value max min readOnly step".split(" ").forEach(function(c){var d=a.attr(c);d&&b.attr(c,d)});CTATConfiguration.get("previewMode")||
-(this.getDivWrap().innerHTML="");this.getDivWrap().appendChild(c);this.component.addEventListener("focus",this.processFocus);var d=this;c.addEventListener("change",function(a){var b=Number(this.min);isNaN(b)&&(b=0);a=Number(this.value);if(isNaN(a))this.value=b;else if(""!==this.min&&a<b)this.value=b;else if(""!==this.max&&!isNaN(Number(this.max))&&a>Number(this.max))this.value=this.max;else{var c=Number(this.step);if(isNaN(c)||0>=c)c=1;b=(a-b)%c;0!==b&&(this.value=a-b)}d.updateSAI();d.processAction();
-return!1});CTATConfiguration.get("previewMode")&&this.addEventScreen(!1)};this.getConfigurationActions=function(){var a=[],b,c=$(this.getDivWrap());c.attr("min")&&(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("set_minimum"),b.setInput(c.attr("min")),a.push(b));c.attr("max")&&(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("set_maximum"),b.setInput(c.attr("max")),a.push(b));c.attr("step")&&(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("set_step"),b.setInput(c.attr("step")),
-a.push(b));c.attr("value")&&(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("Update"),b.setInput(c.attr("value")),a.push(b));return a}};CTATNumericStepper.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);CTATNumericStepper.prototype.constructor=CTATNumericStepper;CTAT.ComponentRegistry.addComponentType("CTATNumericStepper",CTATNumericStepper);var CTATPieChart=function(a,b,e,g,d){CTAT.Component.Base.UnitDisplay.call(this,"CTATPieChart","aPieChart",a,b,e,g,d);var c=3,f=3,h=this,m,l,q,p=null,u=CTATGlobals.NameSpace.svg;this.init=function(){this.initSVG();this.baseGroup=document.createElementNS(u,"g");this.getComponent().appendChild(this.baseGroup);this.getComponent().classList.add("CTATPieChart--container");m=document.createElementNS(u,"filter");m.id=this.genName("Shadow");l="#"+m.id;q="url("+l+")";m.setAttributeNS(null,"width","200%");m.setAttributeNS(null,
-"height","200%");p=document.createElementNS(u,"feOffset");p.setAttributeNS(null,"in","SourceAlpha");p.setAttributeNS(null,"result","offOut");p.setAttributeNS(null,"dx",f);p.setAttributeNS(null,"dy",f);m.appendChild(p);var a=document.createElementNS(u,"feGaussianBlur");a.setAttributeNS(null,"in","offOut");a.setAttributeNS(null,"result","blurOut");a.setAttributeNS(null,"stdDeviation",4);m.appendChild(a);a=document.createElementNS(u,"feBlend");a.setAttributeNS(null,"in","SourceGraphic");a.setAttributeNS(null,
-"in2","blurOut");a.setAttributeNS(null,"mode","normal");m.appendChild(a);this.getComponent().getElementsByTagName("defs")[0].appendChild(m);0<f&&this.baseGroup.setAttributeNS(null,"filter",q);this.drawPieces();this.addComponentReference(this,this.getDivWrap());this.component.addEventListener("focus",this.processFocus)};this.render=function(){this.drawPieces()};this.drawPieces=function(){if(this.baseGroup){this.clear();var a=window.getComputedStyle(this.getComponent()),a=parseFloat(a.getPropertyValue("stroke-width")),
-b=this.getBoundingBox(),d=Math.min(b.width/2,b.height/2)-(a+f+4),e=new DOMPoint(b.width/2,b.height/2),a=this.parseValue(),g=document.createDocumentFragment();a.reduce(function(a,b,f,l){if(1<=b.valueOf())f=document.createElementNS(u,"circle"),f.classList.add("CTATPieChart--piece"),f.cx.baseVal.value=e.x,f.cy.baseVal.value=e.y,f.r.baseVal.value=d,this.addPieceElem(f,b,b.selected),g.appendChild(f);else{f=document.createElementNS(u,"path");f.classList.add("CTATPieChart--piece");g.appendChild(f);window.getComputedStyle(f);
-var m=2*Math.PI*a.valueOf();l=e.add(CTAT.Geom.Point.polar(d,m));b.reduce();var n=e.add(CTAT.Geom.Point.polar(d,2*Math.PI*b.valueOf()+m)),r=e.clone();if(0<c&&c<d){m=CTAT.Geom.Point.polar(c,m+Math.PI*b.valueOf());r=r.add(m);l=l.add(m);var q=function(a,b,c){return a.distance(b)<a.distance(c)?b:c};l=CTAT.Geom.Point.circle_intersection(r,l,e,d).reduce(q.bind(this,l));n=n.add(m);n=CTAT.Geom.Point.circle_intersection(r,n,e,d).reduce(q.bind(this,n))}m=CTAT.Geom.Point.to2DString;r="M "+m(r);q=new DOMPoint(d,
-d);r+=" L "+m(l);r+=" A "+m(q)+" 0 "+(.5<b.valueOf()?1:0)+",1 "+m(n);f.setAttributeNS(null,"d",r+" Z");h.addPieceElem(f,b,b.selected)}return a.add(b)},new CTAT.Math.Fraction);this.baseGroup.innerHTML="";this.baseGroup.appendChild(g)}};this.getExplode=function(){return c};this.getDropShadowDistance=function(){return f};this.setExplode=function(a){a=Number(a);if(!isNaN(a)){var b=a!==c;c=a;b&&this.drawPieces()}return this};this.setStyleHandler("explode",this.setExplode);this.data_ctat_handlers.explode=
-function(a){this.setExplode(a)};this.setDropShadowDistance=function(a){f=parseInt(a);f=isNaN(f)?0:f;p&&(p.setAttributeNS(null,"dx",f),p.setAttributeNS(null,"dy",f),0>=f&&this.baseGroup?this.baseGroup.removeAttributeNS(null,"filter"):this.baseGroup.hasAttributeNS(null,"filter")||this.baseGroup.setAttributeNS(null,"filter",q))};this.data_ctat_handlers["shadow-distance"]=function(a){this.setDropShadowDistance(a)}};CTATPieChart.prototype=Object.create(CTAT.Component.Base.UnitDisplay.prototype);
-CTATPieChart.prototype.constructor=CTATPieChart;CTAT.ComponentRegistry.addComponentType("CTATPieChart",CTATPieChart);var CTATRadioButton=function(a,b,e,g,d){CTAT.Component.Base.Clickable.call(this,"CTATRadioButton","__undefined__",a,b,e,g,d);var c=CTATConfiguration.get("previewMode"),f=this,h=null,m=null,l="#000000";this.setSelection(this.getComponentGroup());this.setAction("UpdateRadioButton");this.setStyleHandler("BackgroundColor",null);this.init=function(){f.setInitialized(!0);h=document.createElement("input");h.type="radio";h.id=this.getName()+"_radio";h.value=f.getName();this.getComponentGroup()?h.name=f.getComponentGroup():
-this.getDivWrap()&&$(this.getDivWrap()).attr("name")?h.name=$(this.getDivWrap()).attr("name"):h.name="radioButtonGroup";!0===f.getEnabled()?h.disabled=!1:h.disabled=!0;f.addComponentReference(f,h);var a;c||(a=this.getDivWrap().innerHTML,this.getDivWrap().innerHTML="");f.getDivWrap().appendChild(h);m=document.createElement("label");m.htmlFor=h.id;this.getText()?m.textContent=f.getText():a&&!c?m.innerHTML=a:this.getDivWrap().getAttribute("data-ctat-label")&&(m.textContent=this.getDivWrap().getAttribute("data-ctat-label"));
-f.setComponent(h);this.getDivWrap().appendChild(m);h.addEventListener("click",function(a){f.updateSAI();f.processAction()});h.addEventListener("focus",this.processFocus);h.onfocus=this.processOnFocus;this.setSelection(this.getComponentGroup());this.component.addEventListener("focus",this.processFocus)};this.getConfigurationActions=function(){var a=[];if(0<m.innerHTML.trim().length){var b=new CTATSAI;b.setSelection(this.getName());b.setInput(m.innerHTML.toString());b.setAction("setText");a.push(b)}return a};
-this.setFontColor=function(a){l=a;$(m).css("color",a)};this.getFontColor=function(){return l};this.resize=function(){var a=$(this.getDivWrap()).height();$(m).css("font-size",a-5+"px");$(this.getComponent()).css("height",a-10+"px");$(this.getComponent()).css("width",a-10+"px")};var q=this.setText;this.setText=function(a){q(a);null!==m&&(m.innerHTML=this.getText())};this.setStyleHandler("buttonLabel",this.setText);var p=this.setEnabled;this.setEnabled=function(a){p(a);null!==h&&(h.disabled=!this.getEnabled())};
-this.setChecked=function(a){null!==h&&(h.checked=a)};this.getChecked=function(){return h.checked};this.getRadioInput=function(){return h.checked?h.value+": "+m.textContent:""};this.setStyleHandler("labelPlacement",null);this.reset=function(){f.ctatdebug(" reset ( "+f.getName()+")");h.checked=!1;f.setEnabled(!0)};this.UpdateRadioButton=function(a){0<=a.indexOf(h.value)&&f.setChecked(!0);f.ctatdebug("UpdateRadioButton ()")};this.updateSAI=function(){var a=$('div[data-ctat-component]:has(input[type="radio"][name="'+
-h.name+'"]:checked)'),b="";1===a.length&&(b=$(a[0]).data("CTATComponent").getRadioInput());f.setSelection(h.name);f.setInput(b)};var u=function(a){m&&m.classList.add(a);h&&h.classList.add(a)},r=function(a){m&&m.classList.remove(a);h&&h.classList.remove(a)};this.showCorrect=function(a){r("CTAT--hint");r("CTAT--incorrect");(a?0===a.getInput().indexOf(h.value):1)?u("CTAT--correct"):r("CTAT-correct")};this.removeCorrect=function(){r("CTAT--correct")};this.showInCorrect=function(a){r("CTAT--hint");r("CTAT--correct");
-(a?0===a.getInput().indexOf(h.value):1)?u("CTAT--incorrect"):r("CTAT-incorrect")};this.removeInCorrect=r.bind(this,"CTAT--incorrect");this.showHintHighlight=function(a){this.removeCorrect();this.removeInCorrect();a?u("CTAT--hint"):r("CTAT--hint")}};CTATRadioButton.prototype=Object.create(CTAT.Component.Base.Clickable.prototype);CTATRadioButton.prototype.constructor=CTATRadioButton;CTAT.ComponentRegistry.addComponentType("CTATRadioButton",CTATRadioButton);var CTATScrollPaneComponent=function(a,b,e,g,d){CTAT.Component.Base.Tutorable.call(this,"CTATScrollPaneComponent","__undefined__",a,b,e,g,d);var c=0,f=this;f.isTabIndexable=!1;this.getAlpha=function(){return c};this.setAlpha=function(a){c=a};this.init=function(){f.ctatdebug("init ("+f.getName()+")");f.ctatdebug("Final location: "+f.getX()+","+f.getY()+" with text: "+f.getText());f.setInitialized(!0)};this.processCommShellEvent=function(a,b){f.ctatdebug("processCommShellEvent ("+a+")")};this.processSerialization=
-function(){f.ctatdebug("processSerialization()")};this.postProcess=function(){f.ctatdebug("postProcess ()");for(var a in this.parameters){var b=this.parameters[a];f.ctatdebug("Checking style name: "+a);if("TargetMovieClip"==a)if(f.ctatdebug("Loading sub element: ["+b.trim()+"] ..."),b=findMovieClip(b.trim()),null!==b){if(f.ctatdebug("Found target movieclip, temporarily removing ..."),null!==b.getDivWrapper().parentNode){try{b.getDivWrapper().parentNode.removeChild(b.getDivWrapper())}catch(p){CTATScrim.scrim.errorScrimUp(p.message);
-return}f.getDivWrap().setAttribute("id","scrollsubdiv");f.ctatdebug("Adding ...");f.getDivWrap().appendChild(b.getDivWrapper());var c=b.getDivWrapper().style.left,d=b.getDivWrapper().style.top;b.getDivWrapper().style.left="0px";b.getDivWrapper().style.top="0px";f.ctatdebug("Moving canvas from: "+c+","+d+" to: 0,0");b=b.getDivWrapper().childNodes;for(c=0;c<b.length;c++);}}else f.ctatdebug("Unable to find the target movieclip to reparent the content from")}f.ctatdebug("Final location: "+f.getX()+","+
-f.getY()+" with text: "+f.getText());null===CTATCommShell.commShell||void 0===CTATCommShell.commShell?f.ctatdebug("Error: can't add event listener to commshell, pointer is invalid"):CTATCommShell.commShell.addGlobalEventListener(this)};this.configFromDescription()};CTATScrollPaneComponent.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);CTATScrollPaneComponent.prototype.constructor=CTATScrollPaneComponent;CTAT.ComponentRegistry.addComponentType("CTATScrollPaneComponent",CTATScrollPaneComponent);var CTATSkillWindow=function(a,b,e,g,d){CTAT.Component.Base.Graphical.call(this,"CTATSkillWindow","__undefined__",a,b,e,g,d);var c=this;c.isTabIndexable=!1;this.getThreshold=function(){var a=parseFloat($(this.getDivWrap()).attr("data-ctat-threshold"));return isNaN(a)?.95:a};this.setThreshold=function(a){$(this.getDivWrap()).attr("data-ctat-threshold",a)};var f=null;this.init=function(){c.ctatdebug("init ("+c.getName()+")");c.setIsAbstractComponent(!0);c.setInitialized(!0);f=this.getDivWrap();this.setComponent(f);
-this.drawComponent();this.component.addEventListener("focus",this.processFocus)};this.assignSkillSet=function(a){CTATSkillSet.skills=a;this.drawComponent()};this.updateSkillSet=function(a){if(CTATSkillSet.skills){c.ctatdebug("updateSkillSet ("+a.getSkillSet().length+")");a=a.getSkillSet();for(var b=0;b<a.length;b++){var d=a[b];c.ctatdebug("Updating skill "+d.getSkillName()+" to level: "+d.getLevel()+" ...");CTATSkillSet.skills.setSkillLevel(d.getSkillName(),d.getLevel(),1)}this.drawComponent()}else c.ctatdebug("Error: updateSkillSet () no initial skill set given, can't update")};
-this.drawComponent=function(){c.ctatdebug("drawComponent ()");if(null===CTATSkillSet.skills)ctatdebug("Info: no skillSet object available, bumping out");else{var a=CTATSkillSet.skills.getSkillSet();if(null===a)c.ctatdebug("Error: list of skills is null in skills object");else if(0>=a.length)c.ctatdebug("Error: list of skills is 0 length");else{for(var b=document.createDocumentFragment(),d=this.getThreshold(),e=0;e<a.length;e++){var g=a[e];c.ctatdebug("Drawing skill "+e+" "+g.getDisplayName()+" level: "+
-g.getLevel()+" ...");var u=document.createElement("div");u.classList.add("CTATSkillWindow--skill");var r=document.createElement("div");r.classList.add("CTATSkillWindow--bar");var w=document.createElement("div"),n=g.getLevel();n<d?w.classList.add("CTATSkillWindow--bar--nonmastered"):w.classList.add("CTATSkillWindow--bar--mastery");w.style.width=n>d?"100%":100*n+"%";r.appendChild(w);u.appendChild(r);b.appendChild(u);r=document.createElement("div");r.textContent=g.getDisplayName()||"no-name";r.classList.add("CTATSkillWindow--label");
-u.appendChild(r)}f.innerHTML="";f.appendChild(b)}}}};CTATSkillWindow.prototype=Object.create(CTAT.Component.Base.Graphical.prototype);CTATSkillWindow.prototype.constructor=CTATSkillWindow;CTAT.ComponentRegistry.addComponentType("CTATSkillWindow",CTATSkillWindow);var CTATSubmitButton=function(a,b,e,g,d){CTATButton.call(this,a,b,e,g,d);this.setClassName("CTATSubmitButton");CTATConfiguration.get("previewMode");var c=this;this.setParameterHandler("target_components",function(a){this.getDivWrap().setAttribute("data-ctat-target",a);return this});var f=this.init;this.init=function(){f();this.setParameter("tutorComponent",CTAT.Component.Base.Tutorable.Options.DO_NOT_TUTOR);this.component.addEventListener("focus",this.processFocus)};var h=function(a){var b=c.getTargets();
-return 0===Object.keys(b).length?!1:a===c?!1:a instanceof CTAT.Component.Base.Tutorable?b.hasOwnProperty(a.getName())||b.hasOwnProperty(a.getComponentGroup()):a instanceof CTATSAI?a.getSelection()!=c.getName()&&b.hasOwnProperty(a.getSelection()):a instanceof String?a!=c.getName()&&b.hasOwnProperty(a):a instanceof Element?a!=c.getComponent()&&(b.hasOwnProperty(a.id)||b.hasOwnProperty(a.getAttribute("name"))):!1};a=CTAT.Component.Base.Tutorable.EventType;document.addEventListener(a.correct,function(a){a.detail.sai&&
-h(a.detail.component)&&c.isNotGraded()&&c.setCorrect()},!1);document.addEventListener(a.incorrect,function(a){a.detail.sai&&h(a.detail.component)&&(c.setIncorrect(),c.setEnabled(!0))},!1);document.addEventListener(a.ungrade,function(a){(a=a.detail.component)&&h(a)&&c.setNotGraded()},!1);document.addEventListener(a.highlight,function(a){var b=a.detail.component;b&&h(b)&&c.setHintHighlight(a.detail.isHighlighted)},!1);this.getTargets=function(){var a={},b=this.getDivWrap().getAttribute("data-ctat-target");
-b&&String(b).split(/\s*[;,]\s*/).forEach(function(b){return a[b.trim()]=1});return a};this.processClick=function(a){if(!0===c.getEnabled()){a=c.getTargets();for(var b in a)a=CTATShellTools.findComponent(b),null!==a&&0<a.length&&(a=a[0],a instanceof CTAT.Component.Base.Tutorable?a.getEnabled()&&a.grade(c):c.ctatdebug("Invalid target component: "+a))}}};CTATSubmitButton.prototype=Object.create(CTATButtonBasedComponent.prototype);CTATSubmitButton.prototype.constructor=CTATSubmitButton;
-CTAT.ComponentRegistry.addComponentType("CTATSubmitButton",CTATSubmitButton);var CTATTextBasedComponent=function(a,b,e,g,d,c,f){CTAT.Component.Base.Tutorable.call(this,a,b,e,g,d,c,f);var h=this,m="",l="#000000",q=16,p=!0,u=255,r=!0;this.setAction("UpdateTextField");this.backgrade=!0;this.setFontColor=function(a){l=a;$(h.getComponent()).css("color",a)};this.getFontColor=function(){return l};this.setFontSize=function(a){a.includes("px")||(a+="px");q=a;$(h.getComponent()).css("font-size",a)};this.getFontSize=function(){return q};this.assignText=function(a){m=a;this.setInput(a)};
-this.UpdateTextArea=this.UpdateTextField=function(a){this.setText(a)};this.setTabOnEnter=function(a){p=CTATGlobalFunctions.toBoolean(a)};this.setStyleHandler("TabOnEnter",this.setTabOnEnter);this.data_ctat_handlers["tab-on-enter"]=this.setTabOnEnter;this.assignEditable=function(a){r=a};this.setMaxCharacters=function(a){u=a};this.setStyleHandler("MaxCharacters",this.setMaxCharacters);this.getText=function(){return m};this.getEditable=function(){return r};this.getTabOnEnter=function(){return p};this.getMaxCharacters=
-function(){return u};this.setEditable=function(a){h.assignEditable(CTATGlobalFunctions.toBoolean(a));null!==h.getComponent()&&(!0===h.getEditable()?h.getComponent().contentEditable="true":h.getComponent().contentEditable="false")};this.setStyleHandler("Enabled",this.setEditable);this.setEnabled=function(a){h.assignEnabled(a);null!==h.getComponent()&&(h.getComponent().disabled=!a,this.setEditable(a))};var w=this.processAction.bind(this);this.processAction=function(a,b){h.ctatdebug("processAction ()");
-this.updateSAI();CTATGlobalFunctions.isBlank(this.getValue())||w(a,b)};this.processKeypress=function(a){h.ctatdebug("processKeypress ()");var b=a.target.getAttribute("id");h.ctatdebug(b);var c=h.getComponentFromID(b);if(null===c)h.ctatdebug("Error: component reference is null");else switch(h.ctatdebug(c.getName()+" keydown ("+("google"==CTATConfig.platform?0:window.event?window.event.keyCode:a.which)+" -> "+a.eventPhase+") ID: "+b),a.which){case 37:h.ctatdebug("left arrow key pressed!");break;case 39:h.ctatdebug("right arrow key pressed!");
-break;case 13:return p?(h.component.blur(),CTATGlobals.Tab.Focus=null,h.processAction(),!1):!0;case 0:h.component.blur();CTATGlobals.Tab.Focus=null;h.processAction();break;default:h.ctatdebug('Key pressed! "'+a.which+'"')}};this.updateSAI=function(){h.ctatdebug("updateSAI ()");this.setInput(this.getValue());var a=this.getSAI();h.ctatdebug("SAI: "+a.toTSxmlString())}};CTATTextBasedComponent.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);
-CTATTextBasedComponent.prototype.constructor=CTATTextBasedComponent;var CTATTextArea=function(a,b,e,g,d){CTATTextBasedComponent.call(this,"CTATTextArea","__undefined__",a,b,e,g,d);this.setDefaultWidth(100);this.setDefaultHeight(44);var c=this,f=null,h=null,m=CTATConfiguration.get("previewMode");this.setAction("UpdateTextArea");this.init=function(b){f=document.createElement("textarea");a&&(f.name=a.name);f.setAttribute("id",CTATGlobalFunctions.gensym.div_id());(b=this.getDivWrap())&&$(b).attr("maxlength")&&(f.maxlength=$(b).attr("maxlength"));b&&$(b).attr("rows")&&
-(f.rows=$(b).attr("rows"));b&&$(b).attr("cols")&&(f.cols=$(b).attr("cols"));c.setComponent(f);b&&$(b).attr("value")?this.setText($(b).attr("value")):f.value=this.getText();c.setInitialized(!0);c.addComponentReference(c,f);b.appendChild(f);$(f).keypress(c.processKeypress);f.addEventListener("focus",c.processFocus);$(f).on("input",function(a){c.setNotGraded()});m&&this.addEventScreen(!1)};this.processBlur=function(a){c.processAction()};this.setCellContainer=function(a){h=a};this.getCellContainer=function(){return h};
-this.setText=function(a){c.ctatdebug("setText ("+a+")");c.assignText(a);f.value=a};this.getValue=function(){return f.value};this.reset=function(){c.configFromDescription();c.processSerialization();f.value=""}};CTATTextArea.prototype=Object.create(CTATTextBasedComponent.prototype);CTATTextArea.prototype.constructor=CTATTextArea;CTAT.ComponentRegistry.addComponentType("CTATTextArea",CTATTextArea);var CTATTable=function(a,b,e,g,d){CTAT.Component.Base.Tutorable.call(this,"CTATTable","__undefined__",a,b,e,g,d);var c=this,f=[],h=[],m=0;this.get_first_row_is_header=function(){return CTATGlobalFunctions.toBoolean($(this.getDivWrap()).attr("data-ctat-has-header"))};this.set_first_row_is_header=function(a){$(this.getDivWrap()).attr("data-ctat-has-header",a);this.get_first_row_is_header()?(p(),m=1):(u(),m=0)};this.setParameterHandler("FirstRowIsHeader",this.set_first_row_is_header);a=function(a){a=
-parseInt($(this.getDivWrap()).attr(a));return isNaN(a)?2:a};var l=a.bind(this,"data-ctat-num-rows");this.get_row_count=l;this.set_row_count=function(a){$(this.getDivWrap()).attr("data-ctat-num-rows",a)};this.setNumRows=function(a){a=Number(a);if(!isNaN(a)){for(;this.get_row_count()<a;)this.addRow();for(;this.get_row_count()>a;)this.deleteRow()}};var q=a.bind(this,"data-ctat-num-cols");this.get_col_count=q;this.set_col_count=function(a){$(this.getDivWrap()).attr("data-ctat-num-cols",a)};this.setNumCols=
-function(a){a=Number(a);if(!isNaN(a)){for(;this.get_col_count()<a;)this.addColumn();for(;this.get_col_count()>a;)this.deleteColumn()}};this.super_setName=this.setName;this.setName=function(a){this.super_setName(a);if(f&&f[0])for(var b=0;b<f.length;b++)for(var c=0;c<f[0].length;c++)f[b][c].setAttribute("id",a+".R"+b+"C"+c)};this.init=function(){c.ctatdebug("init ("+c.getName()+")");c.setInitialized(!0);var a=c.getDivWrap();c.setComponent(a);c.addComponentReference(c,a);c.render();console.log("table name = "+
-this.getName());this.adjustTableContents();this.get_first_row_is_header()?(p(),m=1):m=0};this.getConfigurationActions=function(){var a=[],b,c=$(this.getDivWrap());c.attr("data-ctat-num-rows")&&(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("setNumRows"),b.setInput(c.attr("data-ctat-num-rows")),a.push(b));c.attr("data-ctat-num-cols")&&(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("setNumCols"),b.setInput(c.attr("data-ctat-num-cols")),a.push(b));c.attr("data-ctat-has-header")&&
-(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("set_first_row_is_header"),b.setInput(c.attr("data-ctat-has-header")),a.push(b));return a};var p=function(){console.log("fix header");h[0].classList.add("CTATTable--headers");for(var a=0;a<f[0].length;a++)f[0][a].classList.add("CTATTable--header")}.bind(this),u=function(){console.log("remove header");h[0].classList.remove("CTATTable--headers");for(var a=0;a<f[0].length;a++)f[0][a].classList.remove("CTATTable--header")}.bind(this);this.fixHeader=
-p;this.removeHeader=u;var r=function(a,b){var c=document.createElement("div"),d=this.getName()+".R"+a+"C"+b;c.id=d;c.classList.add("CTATTable--cell");c.classList.add("CTATTextArea");var f=new CTATTextArea;f.setName(d);f.setDivWrapper(c);f.processAttributes();f.init(!0);f.processTabOrder();f.setEnabled(this.getEnabled());$(c).data("CTATComponent",f);return c}.bind(this);this.addRow=function(){var a=document.createElement("div");a.classList.add("CTATTable--row");var b=l();parseInt(b,10);f[b]=[];for(var c=
-0;c<q();c++){var d=r(b,c);f[b].push(d);a.appendChild(d)}$(this.getDivWrap()).append(a);h.push(a);this.set_row_count(b+1)};this.deleteRow=function(){var a=this.getDivWrap();a.removeChild(a.lastChild);h.pop();f.pop();this.set_row_count(this.get_row_count()-1)};this.addColumn=function(){var a=q(),b=0;h.forEach(function(c){var d=r(b,a);f[b].push(d);b<m&&d.classList.add("CTATTable--header");c.appendChild(d);b++});this.set_col_count(a+1)};this.deleteColumn=function(){this.getDivWrap();for(var a=h.length,
-b=0;b<a;b++)h[b].removeChild(h[b].lastChild),f[b].pop();this.set_col_count(this.get_col_count()-1)};this.adjustTableContents=function(){c.ctatdebug("adjustTableContents()");for(var a=l(),b=0;b<a;b++){var d=document.createElement("div");d.classList.add("CTATTable--row");$(this.getDivWrap()).append(d);h.push(d);for(var e=0;e<q();e++){var g=c.getName()+".R"+b+"C"+e,m=CTATShellTools.findComponent(g);m&&0!==m.length&&m[0].getName()===g?(g=m[0].getDivWrap(),g.classList.add("CTATTable--cell")):g=r(b,e);
-d.appendChild(g);f[b]||(f[b]=[]);f[b].push(g)}}}};CTATTable.prototype=Object.create(CTAT.Component.Base.Graphical.prototype);CTATTable.prototype.constructor=CTATTable;CTAT.ComponentRegistry.addComponentType("CTATTable",CTATTable);var CTATTextField=function(a,b,e,g,d){CTATTextBasedComponent.call(this,"CTATTextBasedComponent","__undefined__",a,b,e,g,d);var c=this,f=null;this.setAction("UpdateTextArea");this.init=function(){f=this.getDivWrap();c.setComponent(f);this.getText()&&(f.innerHTML=c.getText());c.setInitialized(!0);c.addComponentReference(c,f);c.setEditable(!1);c.setEnabled(!1);c.render();c.addSafeEventListener("focus",c.processFocus,f)};this.getConfigurationActions=function(){return 0<f.innerHTML.trim().length?(console.log(f.innerHTML),
-this.setInput(f.innerHTML.toString()),[this.getSAI()]):[]};this.setText=function(a){c.ctatdebug("setText ("+a+")");c.assignText(a);null!==f&&(f.innerHTML=a)};this.getValue=function(){return this.getDivWrap().innerHTML};this.setStyleHandler("ShowScrollbars",function(a){!0===CTATGlobalFunctions.toBoolean(a)?c.modifyCSSAttribute("overflow","scroll"):c.modifyCSSAttribute("overflow","hidden")})};CTATTextField.prototype=Object.create(CTATTextBasedComponent.prototype);
-CTATTextField.prototype.constructor=CTATTextField;CTAT.ComponentRegistry.addComponentType("CTATTextField",CTATTextField);var CTATTextInput=function(a,b,e,g,d){CTATTextBasedComponent.call(this,"CTATTextInput","__undefined__",a,b,e,g,d);var c=this,f=null,h=null,m=CTATConfiguration.get("previewMode");this.init=function(){this.ctatdebug("init ("+c.getName()+")");f=document.createElement("input");f.type="text";a&&(f.name=a.name);f.setAttribute("maxlength",c.getMaxCharacters());f.setAttribute("id",CTATGlobalFunctions.gensym.div_id());c.setComponent(f);this.ctatdebug("Final location: "+c.getX()+","+c.getY()+" with text: "+
-c.getText());var b=$(this.getDivWrap());b.attr("value")&&this.setText(b.attr("value"));var d=$(f);"autofocus defaultValue maxLength pattern placeholder readOnly size title".split(" ").forEach(function(a){var c=b.attr(a);c&&d.attr(a,c)});c.setInitialized(!0);c.addComponentReference(c,f);c.getDivWrap().appendChild(f);c.addSafeEventListener("keypress",c.processKeypress,f);c.addSafeEventListener("focus",c.processFocus,f);$(f).on("input",function(a){c.setNotGraded()});m&&this.addEventScreen(!1)};this.getConfigurationActions=
-function(){var a=[],b=$(this.getDivWrap());if(b.attr("value")){var c=new CTATSAI;c.setSelection(this.getName());c.setAction("UpdateTextField");c.setInput(b.attr("value"));a.push(c)}return a};this.setCellContainer=function(a){h=a};this.getCellContainer=function(){return h};this.setText=function(a){c.ctatdebug("setText ("+a+")");c.assignText(a);f.value=a};this.getValue=function(){return f.value};this.reset=function(){c.configFromDescription();c.processSerialization();f.value=""};this.setStyleHandler("DrawBorder",
-null)};CTATTextInput.prototype=Object.create(CTATTextBasedComponent.prototype);CTATTextInput.prototype.constructor=CTATTextInput;CTAT.ComponentRegistry.addComponentType("CTATTextInput",CTATTextInput);var CTATVideo=function(a,b,e,g,d){CTAT.Component.Base.Tutorable.call(this,"CTATVideo","__undefined__",a,b,e,g,d);var c=0,f=this,h=null;this.getAlpha=function(){return c};this.setAlpha=function(a){c=a};this.ctatdebug(this.getClassName()+" ("+this.getX()+","+this.getY()+","+this.getWidth()+","+this.getHeight()+")");this.setTutorComponent(CTAT.Component.Base.Tutorable.Options.TutorComponent.DO_NOT_TUTOR);this.configFromDescription();this.init=function(){f.ctatdebug("init ("+f.getName()+")");f.addCSSAttribute("z-index",
-CTATGlobalFunctions.gensym.z_index());h=document.createElement("video");this.getDivWrap()&&$(this.getDivWrap()).attr("src")&&!CTATConfiguration.get("previewMode")&&(h.src=$(this.getDivWrap()).attr("src"));this.getDivWrap()&&$(f.getDivWrap()).attr("data-ctat-controls")?h.controls=CTATGlobalFunctions.toBoolean($(this.getDivWrap()).attr("data-ctat-controls")):h.controls=!0;h.autocontrols=!1;f.ctatdebug("Auto play: "+$(f.getDivWrap()).attr("data-ctat-autoplay"));this.getDivWrap()&&$(f.getDivWrap()).attr("data-ctat-autoplay")?
-h.autoplay=CTATGlobalFunctions.toBoolean($(this.getDivWrap()).attr("data-ctat-autoplay")):h.autoplay=!0;f.setComponent(h);h.name=f.getName();h.setAttribute("id",CTATGlobalFunctions.gensym.div_id());h.setAttribute("onkeypress","return noenter(event)");f.addComponentReference(f,h);f.ctatdebug("Final location: "+f.getX()+","+f.getY()+" with text: "+f.getText());f.setInitialized(!0);f.getDivWrap().appendChild(h);f.ctatdebug("Resizing component to: "+$(f.getDivWrap()).width()+","+$(f.getDivWrap()).height());
-h.addEventListener("focus",this.processFocus);h.addEventListener("canplay",function(){f.ctatdebug("Video loaded and ready for play")},!0);h.addEventListener("play",function(){f.ctatdebug("Video loaded and ready for play");f.logVideoEvent("play")},!0);h.addEventListener("pause",function(){f.ctatdebug("Video loaded and ready for play");f.logVideoEvent("pause")},!0);f.sizeToDiv()};this.sizeToDiv=function(){h&&(h.setAttribute("width",$(f.getDivWrap()).width()),h.setAttribute("height",$(f.getDivWrap()).height()))};
-var m=this.render;this.render=function(){m.call(this);this.sizeToDiv()};this.getConfigurationActions=function(){var a=[],b;$(f.getDivWrap()).attr("data-ctat-controls")&&(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("showControls"),b.setInput($(f.getDivWrap()).attr("data-ctat-controls")),a.push(b));$(f.getDivWrap()).attr("data-ctat-autoplay")&&(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("setAutoplay"),b.setInput($(f.getDivWrap()).attr("data-ctat-autoplay")),a.push(b));$(this.getDivWrap()).attr("src")&&
-(b=new CTATSAI,b.setSelection(this.getName()),b.setAction("setURL"),b.setInput($(this.getDivWrap()).attr("src")),a.push(b));return a};this.logVideoEvent=function(a){f.ctatdebug("logVideoEvent ("+a+")");if(void 0!==h.duration)if(null!==CTATCommShell.commShell){a=new CTATSAI(f.getName(),a,f.toHHMMSS(h.currentTime)+".000","");a.addSelection(encodeURIComponent(h.currentSrc),"media_file");a.addSelection(f.toHHMMSS(h.duration)+".000","clip_length");var b=a.getInputObject();null!==b&&b.setType("time");CTATCommShell.commShell.processComponentAction(a,
-f.getTutorComponent(),!0,f,"VIDEO_ACTION","USER")}else f.ctatdebug("Error: commShell is null, can't send untutored tool message");else f.ctatdebug("Error: audio file not loaded yet, can't obtain duration")};this.PlayMedia=function(a){h.src=a};this.showControls=function(a){console.log("showControls( "+a+" )");a=CTATGlobalFunctions.toBoolean(a);$(f.getDivWrap()).attr("data-ctat-controls",a);h.controls=a};this.setAutoplay=function(a){console.log("setAutoplay( "+a+" )");a=CTATGlobalFunctions.toBoolean(a);
-$(f.getDivWrap()).attr("data-ctat-autoplay",a);h.autoplay=a};this.setURL=function(a){$(this.getDivWrap()).attr("src",a);h.src=a};this.play=function(a){f.ctatdebug("play ()");var b="0";a&&(b="number"===typeof a?String(a):"string"===typeof a?a:"0");h.currentTime=b;h.play()};this.pause=function(a){f.ctatdebug("pause ()");h.pause();var b="0";a&&(b="number"===typeof a?String(a):"string"===typeof a?a:"0");h.currentTime=b};this.stop=function(){f.ctatdebug("stop ()");f.pause()}};CTATVideo.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);
+CTAT.Geom.Rectangle.contains=function(a,g,f){var d=CTAT.Geom.Rectangle.contains;if(g instanceof DOMRect)return d(a,g.left,g.top)&d(a,g.right,g.bottom);if(g instanceof DOMPoint){var c=!0;if(f instanceof DOMPoint)c=d(a,f.x/f.w,f.y/f.w);else if("number"==typeof f)return d(a,g.x-f,g.y-f)&d(a,g.x+f,g.y+f);return c&d(a,g.x,g.y)}return a.left<=g&a.right>=g&a.top<=f&a.bottom>=f};
+DOMRect.prototype.contains||Object.defineProperty(DOMRect.prototype,"contains",{value:function(a,g){return CTAT.Geom.Rectangle.contains(this,a,g)}});DOMRect.prototype.clone||Object.defineProperty(DOMRect.prototype,"clone",{value:function(){return new DOMRect(this.x,this.y,this.width,this.height)}});DOMRect.prototype.copyFrom||Object.defineProperty(DOMRect.prototype,"copyFrom",{value:function(a){this.x=a.x;this.y=a.y;this.width=a.width;this.height=a.height;return this}});
+CTAT.Geom.Rectangle.equals=function(a,g){return a.left==g.left&&a.top==g.top&&a.right==g.right&&a.bottom==g.bottom};CTAT.Geom.Rectangle.inflate=function(a,g,f){g=g?g:0;f=f?f:0;g instanceof DOMPoint&&(f=g.y,g=g.x);a=a.clone();a.x-=g;a.y-=f;a.width+=2*g;a.height+=2*f;return a};CTAT.Geom.Rectangle.isEmpty=function(a){return 0===a.width||0===a.height};CTAT.Geom.Rectangle.setEmpty=function(a){a.x=0;a.y=0;a.width=0;a.height=0;return a};
+CTAT.Geom.Rectangle.setTo=function(a,g,f,d,c){a.x=g;a.y=f;a.width=d;a.height=c;return a};CTAT.Geom.Rectangle.offset=function(a,g,f){g=g?g:0;f=f?f:0;g instanceof DOMPoint&&(f=g.y,g=g.x);a=a.clone();a.x+=g;a.y+=f;return a};CTAT.Geom.Rectangle.union=function(a,g){var f=new DOMRect;f.x=Math.min(a.x,g.x);f.y=Math.min(a.y,g.y);f.width=Math.max(a.right,g.right)-f.x;f.height=Math.max(a.bottom,g.bottom)-f.y;return f};var CTATNumberLine=function(a,g,f,d,c){CTAT.Component.Base.SVG.call(this,"CTATNumberLine","aNumberLine",a,g,f,d,c);var b=CTAT.Math.Fraction,e=CTATGlobals.NameSpace.svg;a=function(a,c,d,f,g){this.numberline=a;this.step=new b(c);this.size=d;this.origin=new b(0);f=f?f:null;g=g?g:null;this.g=null;this.setStep=function(a){this.step=new b(a)};this.setSize=function(b){b=Number(b);isNaN(b)&&(b=d);this.size=b};this.setOrigin=function(a){this.origin=new b(a)};this.generate=function(){if(this.numberline){var a=
+new b,c=document.createDocumentFragment(),d=document.createElementNS(e,"g");d.setAttributeNS(null,"data-step-size",this.step.toString());d.setAttributeNS(null,"pointer-events","none");f&&d.classList.add(f);c.appendChild(d);if(0<this.step){for(a.set(this.origin).reduce();a<=this.numberline.Maximum;)a>=this.numberline.Minimum&&d.appendChild(this.numberline.genTickmark(a,null,this.size)),a=a.add(this.step);a.set(this.origin).reduce();for(a=a.subtract(this.step);a>=this.numberline.Minimum;)a<=this.numberline.Maximum&&
+d.appendChild(this.numberline.genTickmark(a,null,this.size)),a=a.subtract(this.step)}g&&$(d).find("text.CTATNumberLine--tickmark-label").each(function(){this.classList.add(g)});return c}}};var h=new a(this,new b(1),30,"CTATNumberLine--large-tickmark","CTATNumberLine--large-tickmark-label");this.setLargeTickSize=function(b){h.setSize(s);this.render();return this};this.setParameterHandler("LargeTickmarkSize",this.setLargeTickSize);this.setParameterHandler("LargeTickmarkStep",function(b){h.setStep(b);
+this.render();return this});this.data_ctat_handlers["large-tick-step"]=function(b){h.setStep(b);this.render()};var l=new a(this,new b(1,2),20,"CTATNumberLine--small-tickmark","CTATNumberLine--small-tickmark-label");this.setSmallTickSize=function(b){l.setSize(s);this.render();return this};this.setParameterHandler("SmallTickmarkSize",this.setSmallTickSize);this.setParameterHandler("SmallTickmarkStep",function(b){l.setStep(b);this.render();return this});this.data_ctat_handlers["small-tick-step"]=function(b){l.setStep(b);
+this.render()};var m=new a(this,new b(0),25,"CTATNumberLine--denominator-tickmark","CTATNumberLine--denominator-tickmark-label");this.setParameterHandler("DenominatorTickmarkSize",function(b){m.setSize(b);this.render();return this});this.setParameterHandler("DenominatorTickmarkStep",function(a){m.setStep((new b(a)).reciprocal())});this.data_ctat_handlers.denominator=function(a){a=new b(a);m.setStep(a.reciprocal())};this.setColor=function(b){console.log("numberline.setColor");this.color=b=CTATGlobalFunctions.formatColor(b);
+for(var a=$(this.getDivWrap()).find("g"),c=0;c<a.length;c++)$(a[c]).css("stroke",b)};this.getColor=function(){console.log("numberline.getColor");return this.color};this.X_Axis=new function(b,a,c,e){var d={};this.svg_group=null;var f=b;Object.defineProperty(this,"start",{get:function(){return f},set:function(b){d={};f=b}});Object.defineProperty(this,"min_loc",{get:function(){if(!d.hasOwnProperty("min_loc")){var b=this.start.clone(),a=CTAT.Geom.Point.polar(20,this.angle()),b=b.add(a);b.x=CTAT.Math.round(b.x);
+b.y=CTAT.Math.round(b.y);d.min_loc=b}return d.min_loc}});var g=a;Object.defineProperty(this,"end",{get:function(){return g},set:function(b){d={};g=b}});Object.defineProperty(this,"max_loc",{get:function(){if(!d.hasOwnProperty("max_loc")){var b=this.end.clone(),a=CTAT.Geom.Point.polar(20,this.angle()),b=b.add(a.scale(-1));b.x=CTAT.Math.round(b.x);b.y=CTAT.Math.round(b.y);d.max_loc=b}return d.max_loc}});var h=c;Object.defineProperty(this,"min",{get:function(){return h},set:function(b){d={};h=b}});var m=
+e;Object.defineProperty(this,"max",{get:function(){return m},set:function(b){d={};m=b}});Object.defineProperty(this,"length",{get:function(){d.hasOwnProperty("length")||(d.length=CTAT.Math.round(this.min_loc.distance(this.max_loc)));return d.length}});this.isHorizontal=function(){return this.start.y===this.end.y};this.isVertical=function(){return this.start.x===this.end.x};Object.defineProperty(this,"range",{get:function(){return this.max.subtract(this.min)}});Object.defineProperty(this,"step_size",
+{get:function(){return CTAT.Geom.Point.equals(this.min_loc,this.max_loc)?this.length:CTAT.Math.round(this.length/this.range)}});this.s_vec=function(){return this.max_loc.add(this.min_loc.scale(-1))};this.slope=function(){var b=this.s_vec();return b.y/b.x};this.step=function(){d.hasOwnProperty("step")||(d.step=this.s_vec().normalize(this.step_size));return d.step};this.scalar=function(){d.hasOwnProperty("scalar")||(d.scalar=this.range/this.length);return d.scalar};this.zero=function(){d.hasOwnProperty("zero")||
+(d.zero=this.min_loc.add(this.step().scale(-this.min)),d.zero.x=CTAT.Math.round(d.zero.x),d.zero.y=CTAT.Math.round(d.zero.y));return d.zero};this.angle=function(){if(!d.hasOwnProperty("angle")){var b=this.end.add(this.start.scale(-1));d.angle=Math.atan2(b.y,b.x)}return d.angle};this.angle_deg=function(){return CTAT.Math.rad2deg(this.angle())};this.getPosition=function(b){b=this.zero().add(this.step().scale(1*b));b.x=CTAT.Math.round(b.x);b.y=CTAT.Math.round(b.y);return b};this.projected_point=function(b){var a=
+this.s_vec(),c=b.add(this.min_loc.scale(-1)),c=0+(a.y*c.x-a.x*c.y)/(a.y*a.y+a.x*a.x);return b.add(new DOMPoint(-c*a.y,c*a.x))};this.getProjectedPoint=function(b){b=this.projected_point(b);return b.distance(this.max_loc)>this.length?this.min_loc:b.distance(this.min_loc)>this.length?this.max_loc:b};this.getAxisValue=function(b){return CTAT.Math.round(h+this.scalar()*this.min_loc.distance(this.getProjectedPoint(b)))}}(new DOMPoint(0,0),new DOMPoint(0,0),new b(0),new b(3));Object.defineProperty(this,
+"Maximum",{get:function(){return this.X_Axis.max},set:function(a){this.X_Axis.max=new b(a)}});this.setMaximum=function(b){this.Maximum=b};this.setParameterHandler("Maximum",this.setMaximum);this.data_ctat_handlers.maximum=this.setMaximum;Object.defineProperty(this,"Minimum",{get:function(){return this.X_Axis.min},set:function(a){this.X_Axis.min=new b(a)}});this.setMinimum=function(b){this.Minimum=b};this.setParameterHandler("Minimum",this.setMinimum);this.data_ctat_handlers.minimum=this.setMinimum;
+var n=1;Object.defineProperty(this,"Max_Points",{get:function(){return n},set:function(b){b=parseInt(b);isNaN(b)||(n=b)}});this.setMaxPoints=function(b){this.Max_Points=b};this.setParameterHandler("Max_Points",this.setMaxPoints);this.data_ctat_handlers["max-points"]=this.setMaxPoints;var p=7;this.setPointSize=function(b){p=Number(b);w&&(w.setAttributeNS(null,"r",p),$(this._point_group).find("circle").each(function(){$(this).attr("r",p)}))};this.setStyleHandler("PointSize",this.setPointSize);this.data_ctat_handlers["point-size"]=
+this.setPointSize;var v=!1;this.setSnapToTickMark=function(b){v=CTATGlobalFunctions.toBoolean(b)};this.setParameterHandler("SnapToTickmark",this.setSnapToTickMark);this.data_ctat_handlers.snap=this.setSnapToTickMark;this.theta=0;Object.defineProperty(this,"Orientation",{get:function(){return 180*this.theta/Math.PI},set:function(b){b=Number(b);isNaN(b)&&(b=0);this.theta=Math.PI*b/180}});this.setOrientation=function(b){this.Orientation=b;this.render()};this.setParameterHandler("Orientation",this.setOrientation);
+this.data_ctat_handlers.rotation=this.setOrientation;this._tickmarks=[];this.genTickmark=function(b,a,c){var d=document.createDocumentFragment();if(!this._tickmarks.some(function(a){return a.data.equals(b)})){var f=document.createElementNS(e,"line"),g=this.X_Axis.getPosition(b),h=CTAT.Geom.Point.polar(c/2,this.theta+Math.PI/2).add(g);c=CTAT.Geom.Point.polar(-c/2,this.theta+Math.PI/2).add(g);f.setAttributeNS(null,"x1",h.x);f.setAttributeNS(null,"y1",h.y);f.setAttributeNS(null,"x2",c.x);f.setAttributeNS(null,
+"y2",c.y);f.setAttributeNS(null,"data-value",b.toString());f.data=b;f.location=g;f.label=null;this._tickmarks.push(f);d.appendChild(f);if(""!==a){g=document.createElementNS(e,"text");g.classList.add("CTATNumberLine--tickmark-label");g.setAttributeNS(null,"text-anchor","middle");d.appendChild(g);if(null===a||void 0===a)if(1==b.denominator)g.appendChild(document.createTextNode(String(b.numerator.toPrecision(M)))),g.setAttributeNS(null,"x",c.x),g.setAttributeNS(null,"y",c.y);else{a=""+String(b.numerator);
+h=""+String(b.denominator);g.style.fontSize="0.6em";g.setAttributeNS(null,"text-align","center");var m=document.createElementNS(e,"tspan"),l=document.createElementNS(e,"tspan");m.appendChild(document.createTextNode(a));l.appendChild(document.createTextNode(h));g.appendChild(m);g.appendChild(l);m.setAttributeNS(null,"text-anchor","middle");m.setAttributeNS(null,"x",c.x);m.setAttributeNS(null,"y",c.y);m.setAttributeNS(null,"dy","-1em");l.setAttributeNS(null,"text-anchor","middle");l.setAttributeNS(null,
+"x",c.x);l.setAttributeNS(null,"y",c.y);a.length>h.length?m.style.textDecoration="underline":l.style.textDecoration="overline"}else g.appendChild(document.createTextNode(a.toString())),d.appendChild(tlabel),g.setAttributeNS(null,"x",c.x),g.setAttributeNS(null,"y",c.y);f.label=g}}return d};var q=function(){if(null!==this.X_Axis&&null!==this.X_Axis.svg_group){var b=this.getBoundingBox(),a=window.getComputedStyle(this._axis_line_group),a=parseInt(a.getPropertyValue("stroke-width")),b=CTAT.Geom.Rectangle.inflate(b,
+-a,-a),c=new DOMPoint(b.width/2,b.height/2),d=c.add(CTAT.Geom.Point.polar(Math.min(40,b.height,b.width)/4,this.theta)),f=Math.sin(this.theta),g=-Math.cos(this.theta),n=f*c.x+g*c.y,p=-b.height*g,q=-f*b.width,a=new DOMPoint(b.left,c.y),c=new DOMPoint(b.right,c.y);if(0<Math.abs(CTAT.Math.round(p))){var p=new DOMPoint(b.left,(n-f*b.left)/g),u=new DOMPoint(b.right,(n-f*b.right)/g);if(b.contains(p)||b.contains(u))d.distance(p)<d.distance(u)?(a=u,c=p):(a=p,c=u)}0<Math.abs(CTAT.Math.round(q))&&(q=new DOMPoint((n-
+g*b.top)/f,b.top),f=new DOMPoint((n-g*b.bottom)/f,b.bottom),b.contains(q)||b.contains(f))&&(d.distance(q)<d.distance(f)?(a=f,c=q):(a=q,c=f));if(this.X_Axis.start.x!=a.x||this.X_Axis.start.y!=a.y||this.X_Axis.end.x!=c.x||this.X_Axis.end.y!=c.y)this.X_Axis.start=a,this.X_Axis.end=c,this.X_Axis.svg_group.innerHTML="",b=document.createDocumentFragment(),d=document.createElementNS(e,"line"),d.setAttributeNS(null,"x1",a.x),d.setAttributeNS(null,"y1",a.y),d.setAttributeNS(null,"x2",c.x),d.setAttributeNS(null,
+"y2",c.y),b.appendChild(d),d=document.createElementNS(e,"path"),d.setAttributeNS(null,"d","M 10,6 L 0,0 L 10,-6"),d.setAttributeNS(null,"transform","translate("+CTAT.Geom.Point.to2DString(a)+") rotate("+this.Orientation+")"),b.appendChild(d),a=document.createElementNS(e,"path"),a.setAttributeNS(null,"d","M -10,6 L 0,0 L -10,-6"),a.setAttributeNS(null,"transform","translate("+CTAT.Geom.Point.to2DString(c)+") rotate("+this.Orientation+")"),b.appendChild(a),this.X_Axis.svg_group.appendChild(b);this._tickmarks=
+[];a=document.createDocumentFragment();a.appendChild(h.generate());a.appendChild(l.generate());a.appendChild(m.generate());this._tick_mark_group.innerHTML="";this._tick_mark_group.appendChild(a);a=this._point_group.children;for(c=0;c<a.length;c++)b=a[c],d=this.X_Axis.getPosition(b.value),f=new DOMPoint(b.cx.baseVal.value,b.cy.baseVal.value),1<d.distance(f)&&(b.cx.baseVal.value=d.x,b.cy.baseVal.value=d.y)}}.bind(this),u=0,w=null,B=new DOMPoint(-30,-30),y=!1,C=function(b){B.x=b.clientX;B.y=b.clientY},
+A=function(b){cancelAnimationFrame(u);w.style.visibility="hidden";y=!1},r=function(b){if(!0===this.getEnabled()&&0<n){this.setHintHighlight(!1);var a;v?(b=H(b.clientX,b.clientY),a=b.location,b=b.data):(b=z(b.clientX,b.clientY),a=this.X_Axis.getProjectedPoint(b),b=this.X_Axis.getAxisValue(b));var c=document.createElementNS(e,"circle");c.classList.add("CTATNumberLine--point");c.setAttributeNS(null,"cx",a.x);c.setAttributeNS(null,"cy",a.y);c.setAttributeNS(null,"r",p);c.value=b;if(this._point_group.children.length>=
+this.Max_Points){a=[].slice.call(this._point_group.children);var d=a.filter(function(b,a,c){return b.classList.contains("CTAT--incorrect")});0<d.length?this._point_group.removeChild(d[0]):(a=a.filter(function(b,a,c){return!b.classList.contains("CTAT--correct")}),0<a.length&&this._point_group.removeChild(a[0]))}this._point_group.appendChild(c);this.setActionInput("AddPoint",b.toString());this.processAction()}}.bind(this);this.init=function(){this.initSVG();this.component.classList.add("CTATNumberLine--container");
+this._axis_line_group=document.createElementNS(e,"g");this._axis_line_group.classList.add("CTATNumberLine--axis");this._tick_mark_group=document.createElementNS(e,"g");this._tick_mark_group.classList.add("CTATNumberLine--tickmark");this._point_group=document.createElementNS(e,"g");w=document.createElementNS(e,"circle");w.setAttributeNS(null,"r",p);w.classList.add("CTATNumberLine--cursor");w.setAttributeNS(null,"transform","translate(-30,-30)");this.component.appendChild(this._axis_line_group);this.component.appendChild(this._tick_mark_group);
+this.component.appendChild(this._point_group);this.component.appendChild(w);this.X_Axis.svg_group=this._axis_line_group;q();this.addComponentReference(this,this.getDivWrap());this.component.addEventListener("mousemove",C);this.component.addEventListener("mouseleave",A);var b=this.getEnabled;this.component.addEventListener("mouseenter",function(){!0===b()&&0<n&&(y=!0,w.style.visibility=null,u=requestAnimationFrame(J))});this.component.addEventListener("click",r);this.component.addEventListener("focus",
+this.processFocus)};this.getConfigurationActions=function(){var b=[],a,c=$(this.getDivWrap());c.attr("data-ctat-minimum")&&(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("set_minimum"),a.setInput(c.attr("data-ctat-minimum")),b.push(a));c.attr("data-ctat-maximum")&&(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("set_maximum"),a.setInput(c.attr("data-ctat-maximum")),b.push(a));c.attr("data-ctat-max-points")&&(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("set_max_user_entries"),
+a.setInput(c.attr("data-ctat-max-points")),b.push(a));c.attr("data-ctat-large-tick-step")&&(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("set_large_step"),a.setInput(c.attr("data-ctat-large-tick-step")),b.push(a));c.attr("data-ctat-small-tick-step")&&(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("set_small_step"),a.setInput(c.attr("data-ctat-small-tick-step")),b.push(a));c.attr("data-ctat-denominator")&&(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("set_denominator"),
+a.setInput(c.attr("data-ctat-denominator")),b.push(a));return b};var D=-1<navigator.userAgent.toLowerCase().indexOf("firefox"),z=function(b,a){this.svgPoint=this.svgPoint?this.svgPoint:this.component.createSVGPoint();this.svgPoint.x=b;this.svgPoint.y=a;var c=this._axis_line_group.getScreenCTM().inverse();this.svgPoint=this.svgPoint.matrixTransform(c);c=new DOMPoint(this.svgPoint.x,this.svgPoint.y);if(D){var e=$(this.component),d=parseInt(e.css("borderLeftWidth"))+parseInt(e.css("paddingLeft"))+parseInt(e.css("marginLeft")),
+e=parseInt(e.css("borderTopWidth"))+parseInt(e.css("paddingTop"))+parseInt(e.css("marginTop"));c.x-=d;c.y-=e}return c}.bind(this),F=function(b,a){return this.getProjectedPoint(z(b,a))}.bind(this.X_Axis),H=function(b,a){for(var c=F(b,a),e=null,d=Number.POSITIVE_INFINITY,f,g,h=0;h<this._tickmarks.length;h++)f=this._tickmarks[h],g=c.distance(f.location),g<d&&(e=f,d=g);return e}.bind(this),J=function(){if(y&&!0===this.getEnabled()){if(v){var b=H(B.x,B.y);w.setAttributeNS(null,"transform","translate"+
+CTAT.Geom.Point.to2DString(b.location,!0))}else w.setAttributeNS(null,"transform","translate"+CTAT.Geom.Point.to2DString(F(B.x,B.y),!0));u=requestAnimationFrame(J)}}.bind(this);this.render=function(){q()};this.calcXCoordinate=function(a){a=new b(a);var c=this.getWidth()-30,c=Math.abs(c-30),e=max.subtract(min);return 30+a.subtract(min).divide(e)/c};this.calcNum=function(b){var a=this.getWidth()-30,a=Math.abs(a-30);b=max.subtract(min).multiply((b-30)/a);return min.add(b)};var x=function(b,a){switch(a.getClassName()){case "CTATMessage":a=
+a.getSAI()}var c=a.clone();c.setAction(b.getSAI().getAction());c.setSelection(b.getName());return c};this.showCorrect=function(b){b.getInput();var a=b.getAction(),c=function(a){a.setCorrect(x(a,b))};switch(a){case "AddPoint":0<this._point_group.children.length&&(a=[].slice.call(this._point_group.children),c=a[a.length-1],c.classList.remove("CTAT--incorrect"),c.classList.remove("CTAT--hint"),c.classList.add("CTAT--correct"),this.getDisableOnCorrect()&&(a.length>=this.Max_Points&&a.every(function(b){return b.classList.contains("CTAT--correct")})?
+this.setEnabled(!1):this.setEnabled(!0)));break;case "Points":a=this._point_group.children;for(c=0;c<a.length;c++){var e=a[c];e.classList.remove("CTAT--incorrect");e.classList.remove("CTAT--hint");e.classList.add("CTAT--correct")}break;case "set_minimum":W(S()).forEach(c);break;case "set_maximum":W(P()).forEach(c);break;case "set_large_step":W(Q()).forEach(c);break;case "set_small_step":W(U()).forEach(c);break;case "set_denominator":W(T()).forEach(c);break;default:console.log("Unhandled Action in",
+this.getName(),a)}};this.showInCorrect=function(b){b.getInput();var a=b.getAction(),c=function(a){a.setIncorrect(x(a,b))};switch(a){case "AddPoint":0<this._point_group.children.length&&(a=[].slice.call(this._point_group.children),a=a[a.length-1],a.classList.remove("CTAT--correct"),a.classList.remove("CTAT--hint"),a.classList.add("CTAT--incorrect"));break;case "Points":a=this._point_group.children;for(c=0;c<a.length;c++){var e=a[c];e.classList.remove("CTAT--correct");e.classList.remove("CTAT--hint");
+e.classList.add("CTAT--incorrect")}break;case "set_minimum":W(S()).forEach(c);break;case "set_maximum":W(P()).forEach(c);break;case "set_large_step":W(Q()).forEach(c);break;case "set_small_step":W(U()).forEach(c);break;case "set_denominator":W(T()).forEach(c);break;default:console.log("Unhandled Action in",this.getName(),a)}};var G=this.setEnabled;this.setEnabled=function(b){G(b);w&&y&&(w.style.visibility=this.getEnabled()?null:"hidden")};this.set_minimum=function(b){this.Minimum=b;this.render()};
+this.change_minimum=function(a){a=new b(a);0!==a.valueOf()&&(this.Minimum=this.Minimum.add(a),this.render())};var I=function(){this.setActionInput("set_minimum",this.Minimum)}.bind(this);this.set_maximum=function(b){this.Maximum=b;this.render()};this.change_maximum=function(a){a=new b(a);0!==a.valueOf()&&(this.Maximum=this.Maximum.add(a),this.render())};var R=function(){this.setActionInput("set_maximum",this.Maximum)}.bind(this);this.set_max_user_entries=function(b){this.setMaxPoints(parseInt(b))};
+a=function(b,a){b.setStep(a);this.render()};this.set_large_step=a.bind(this,h);var O=function(){this.setActionInput("set_large_step",h.step.toString())}.bind(this);this.set_small_step=a.bind(this,l);var L=function(){this.setActionInput("set_small_step",l.step.toString())}.bind(this);this.set_denominator=function(a){0===parseInt(a)?m.setStep(0):m.setStep((new b(a)).reciprocal());this.render()};var E=function(){var b=0===m.step.valueOf()?0:m.step.reciprocal();this.setActionInput("set_denominator",b.toString())}.bind(this);
+a=function(a,c){if(0!==(new b(c)).valueOf()){var e=a.step.add(c);0>e.valueOf()&&e.set(0,1);a.setStep(e);this.render()}};this.change_large_step=a.bind(this,h);this.change_small_step=a.bind(this,l);this.change_denominator=function(a){a=new b(a);0!==a.valueOf()&&(a=a.add(m.step.denominator),m.setStep(a.reciprocal()),this.render())};var M=void 0;this.set_precision=function(b){M=parseInt(b);this.render()};this.AddPoint=function(a,c){var d=new b(a),f=this.X_Axis.getPosition(d),g=document.createElementNS(e,
+"circle");g.classList.add("CTATNumberLine--point");g.setAttributeNS(null,"cx",f.x);g.setAttributeNS(null,"cy",f.y);g.setAttributeNS(null,"r",p);g.value=d;[].slice.call(this._point_group.children).some(function(b){return d.equals(b.value)})||this._point_group.appendChild(g)};this.Points=function(b,a){this._point_group.innerHTML="";var c=b.split(";"),e;for(e in c)this.AddPoint(c[e],a)};var V=function(b,a,c,e){switch(e.getAction()){case "ButtonPressed":b.call(this,e.getInput());break;case "Update":case "UpdateTextField":case "UpdateTextArea":a.call(this,
+e.getInput())}c.call();this.processAction(!1,!0)};a=function(b){return(b=$(this.getDivWrap()).attr(b))?b.split(/\s*;\s*/).map(function(b){return b.trim()}):[]};var P=a.bind(this,"data-ctat-ctrl-max"),S=a.bind(this,"data-ctat-ctrl-min"),Q=a.bind(this,"data-ctat-ctrl-large-tick"),U=a.bind(this,"data-ctat-ctrl-small-tick"),T=a.bind(this,"data-ctat-ctrl-denominator"),W=function(b){return b.map(function(b){return $("#"+b).data("CTATComponent")})},Z=function(b){var a=null;if(b instanceof CTAT.Component.Base.Tutorable)b!=
+this&&(a=b.getName());else if(b instanceof CTATSAI)b.getSelection()!=pointer.getName()&&(a=b.getSelection());else if(b instanceof String)b!=pointer.getName()&&(a=b);else if(b instanceof Element)b!=pointer.getComponent()&&(a=b.id);else return null;if(a){if(ha(a))return V.bind(this,this.change_denominator,this.set_denominator,E);if(fa(a))return V.bind(this,this.change_small_step,this.set_small_step,L);if(ia(a))return V.bind(this,this.change_large_step,this.set_large_step,O);if(ka(a))return V.bind(this,
+this.change_minimum,this.set_minimum,I);if(ea(a))return V.bind(this,this.change_maximum,this.set_maximum,R)}return null}.bind(this);CTATConfiguration.get("previewMode")||document.addEventListener(CTAT.Component.Base.Tutorable.EventType.action,function(b){var a=b.detail.sai;b=Z(b.detail.component);a&&null!==b&&b(a)},!1);this.setMaxControllers=function(b){$(this.getDivWrap()).attr("data-ctat-ctrl-max",b)};this.setParameterHandler("MaxValueControllers",this.setMaxControllers);this.setMinControllers=
+function(b){$(this.getDivWrap()).attr("data-ctat-ctrl-min",b)};this.setParameterHandler("MinValueControllers",this.setMinControllers);this.setLargeTickControllers=function(b){$(this.getDivWrap()).attr("data-ctat-ctrl-large-tick",b)};this.setParameterHandler("LargeTickmarkControllers",this.setLargeTickControllers);this.setSmallTickControllers=function(b){$(this.getDivWrap()).attr("data-ctat-ctrl-small-tick",b)};this.setParameterHandler("SmallTickmarkControllers",this.setSmallTickControllers);this.setDenominatorControllers=
+function(b){$(this.getDivWrap()).attr("data-ctat-ctrl-denominator",b)};this.setParameterHandler("DenominatorTickmarkControllers",this.setDenominatorControllers);a=function(b,a){return 0<=b().indexOf(a)};var ea=a.bind(null,P),ka=a.bind(null,S),ia=a.bind(null,Q),fa=a.bind(null,U),ha=a.bind(null,T);this.grade=function(b){b=b.getDivWrap().id;ea(b)?(this.setAction("set_maximum"),this.setInput(this.Maximum.toString())):ka(b)?(this.setAction("set_minimum"),this.setInput(this.Minimum.toString())):ia(b)?(this.setAction("set_large_step"),
+this.setInput(h.step.toString())):fa(b)?(this.setAction("set_small_step"),this.setInput(l.step.toString())):ha(b)?(this.setAction("set_denominator"),this.setInput(m.step.reciprocal().toString())):this.updateSAI();this.processAction(!0)};this.updateSAI=function(){for(var b=this._point_group.children,a=[],c=0;c<b.length;c++)a.push(b[c].value);a.sort(function(b,a){return b-a});this.setActionInput("Points",a.join(";"))}};CTATNumberLine.prototype=Object.create(CTAT.Component.Base.SVG.prototype);
+CTATNumberLine.prototype.constructor=CTATNumberLine;CTAT.ComponentRegistry.addComponentType("CTATNumberLine",CTATNumberLine);var CTATNumericStepper=function(a,g,f,d,c){CTAT.Component.Base.Tutorable.call(this,"CTATNumericStepper","__undefined__",a,g,f,d,c);this.setAction("Update");var b=document.createElement("input");b.type="number";this.set_maximum=function(a){a=Number(a);isNaN(a)||(b.max=a)};this.setParameterHandler("maximum",this.set_maximum);this.set_minimum=function(a){a=Number(a);isNaN(a)||(b.min=a)};this.setParameterHandler("minimum",this.set_minimum);this.set_step=function(a){a=Number(a);isNaN(a)||(b.step=a)};this.setParameterHandler("stepSize",
+this.set_step);this.update_value=function(a){a=Number(a);isNaN(a)||(b.value=a,this.setInput(a))};this.setParameterHandler("value",this.update_value);this.updateSAI=function(){this.setInput(b.value)};this.Update=this.update_value;this.init=function(){b.id=this.getName()+"_spinner";this.setComponent(b);this.setInitialized(!0);var a=$(this.getDivWrap()),c=$(b);"autofocus defaultValue placeholder value max min readOnly step".split(" ").forEach(function(b){var e=a.attr(b);e&&c.attr(b,e)});CTATConfiguration.get("previewMode")||
+(this.getDivWrap().innerHTML="");this.getDivWrap().appendChild(b);this.component.addEventListener("focus",this.processFocus);var d=this;b.addEventListener("change",function(b){var a=Number(this.min);isNaN(a)&&(a=0);b=Number(this.value);if(isNaN(b))this.value=a;else if(""!==this.min&&b<a)this.value=a;else if(""!==this.max&&!isNaN(Number(this.max))&&b>Number(this.max))this.value=this.max;else{var c=Number(this.step);if(isNaN(c)||0>=c)c=1;a=(b-a)%c;0!==a&&(this.value=b-a)}d.updateSAI();d.processAction();
+return!1});CTATConfiguration.get("previewMode")&&this.addEventScreen(!1)};this.getConfigurationActions=function(){var b=[],a,c=$(this.getDivWrap());c.attr("min")&&(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("set_minimum"),a.setInput(c.attr("min")),b.push(a));c.attr("max")&&(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("set_maximum"),a.setInput(c.attr("max")),b.push(a));c.attr("step")&&(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("set_step"),a.setInput(c.attr("step")),
+b.push(a));c.attr("value")&&(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("Update"),a.setInput(c.attr("value")),b.push(a));return b}};CTATNumericStepper.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);CTATNumericStepper.prototype.constructor=CTATNumericStepper;CTAT.ComponentRegistry.addComponentType("CTATNumericStepper",CTATNumericStepper);var CTATPieChart=function(a,g,f,d,c){CTAT.Component.Base.UnitDisplay.call(this,"CTATPieChart","aPieChart",a,g,f,d,c);var b=3,e=3,h=this,l,m,n,p=null,v=CTATGlobals.NameSpace.svg;this.init=function(){this.initSVG();this.baseGroup=document.createElementNS(v,"g");this.getComponent().appendChild(this.baseGroup);this.getComponent().classList.add("CTATPieChart--container");l=document.createElementNS(v,"filter");l.id=this.genName("Shadow");m="#"+l.id;n="url("+m+")";l.setAttributeNS(null,"width","200%");l.setAttributeNS(null,
+"height","200%");p=document.createElementNS(v,"feOffset");p.setAttributeNS(null,"in","SourceAlpha");p.setAttributeNS(null,"result","offOut");p.setAttributeNS(null,"dx",e);p.setAttributeNS(null,"dy",e);l.appendChild(p);var b=document.createElementNS(v,"feGaussianBlur");b.setAttributeNS(null,"in","offOut");b.setAttributeNS(null,"result","blurOut");b.setAttributeNS(null,"stdDeviation",4);l.appendChild(b);b=document.createElementNS(v,"feBlend");b.setAttributeNS(null,"in","SourceGraphic");b.setAttributeNS(null,
+"in2","blurOut");b.setAttributeNS(null,"mode","normal");l.appendChild(b);this.getComponent().getElementsByTagName("defs")[0].appendChild(l);0<e&&this.baseGroup.setAttributeNS(null,"filter",n);this.drawPieces();this.addComponentReference(this,this.getDivWrap());this.component.addEventListener("focus",this.processFocus)};this.render=function(){this.drawPieces()};this.drawPieces=function(){if(this.baseGroup){this.clear();var a=window.getComputedStyle(this.getComponent()),a=parseFloat(a.getPropertyValue("stroke-width")),
+c=this.getBoundingBox(),d=Math.min(c.width/2,c.height/2)-(a+e+4),f=new DOMPoint(c.width/2,c.height/2),a=this.parseValue(),g=document.createDocumentFragment();a.reduce(function(a,c,e,m){if(1<=c.valueOf())e=document.createElementNS(v,"circle"),e.classList.add("CTATPieChart--piece"),e.cx.baseVal.value=f.x,e.cy.baseVal.value=f.y,e.r.baseVal.value=d,this.addPieceElem(e,c,c.selected),g.appendChild(e);else{e=document.createElementNS(v,"path");e.classList.add("CTATPieChart--piece");g.appendChild(e);window.getComputedStyle(e);
+var l=2*Math.PI*a.valueOf();m=f.add(CTAT.Geom.Point.polar(d,l));c.reduce();var n=f.add(CTAT.Geom.Point.polar(d,2*Math.PI*c.valueOf()+l)),p=f.clone();if(0<b&&b<d){l=CTAT.Geom.Point.polar(b,l+Math.PI*c.valueOf());p=p.add(l);m=m.add(l);var q=function(b,a,c){return b.distance(a)<b.distance(c)?a:c};m=CTAT.Geom.Point.circle_intersection(p,m,f,d).reduce(q.bind(this,m));n=n.add(l);n=CTAT.Geom.Point.circle_intersection(p,n,f,d).reduce(q.bind(this,n))}l=CTAT.Geom.Point.to2DString;p="M "+l(p);q=new DOMPoint(d,
+d);p+=" L "+l(m);p+=" A "+l(q)+" 0 "+(.5<c.valueOf()?1:0)+",1 "+l(n);e.setAttributeNS(null,"d",p+" Z");h.addPieceElem(e,c,c.selected)}return a.add(c)},new CTAT.Math.Fraction);this.baseGroup.innerHTML="";this.baseGroup.appendChild(g)}};this.getExplode=function(){return b};this.getDropShadowDistance=function(){return e};this.setExplode=function(a){a=Number(a);if(!isNaN(a)){var c=a!==b;b=a;c&&this.drawPieces()}return this};this.setStyleHandler("explode",this.setExplode);this.data_ctat_handlers.explode=
+function(b){this.setExplode(b)};this.setDropShadowDistance=function(b){e=parseInt(b);e=isNaN(e)?0:e;p&&(p.setAttributeNS(null,"dx",e),p.setAttributeNS(null,"dy",e),0>=e&&this.baseGroup?this.baseGroup.removeAttributeNS(null,"filter"):this.baseGroup.hasAttributeNS(null,"filter")||this.baseGroup.setAttributeNS(null,"filter",n))};this.data_ctat_handlers["shadow-distance"]=function(b){this.setDropShadowDistance(b)}};CTATPieChart.prototype=Object.create(CTAT.Component.Base.UnitDisplay.prototype);
+CTATPieChart.prototype.constructor=CTATPieChart;CTAT.ComponentRegistry.addComponentType("CTATPieChart",CTATPieChart);var CTATRadioButton=function(a,g,f,d,c){CTAT.Component.Base.Clickable.call(this,"CTATRadioButton","__undefined__",a,g,f,d,c);var b=CTATConfiguration.get("previewMode"),e=this,h=null,l=null,m="#000000";this.setSelection(this.getComponentGroup());this.setAction("UpdateRadioButton");this.setStyleHandler("BackgroundColor",null);this.init=function(){e.setInitialized(!0);h=document.createElement("input");h.type="radio";h.id=this.getName()+"_radio";h.value=e.getName();this.getComponentGroup()?h.name=e.getComponentGroup():
+this.getDivWrap()&&$(this.getDivWrap()).attr("name")?h.name=$(this.getDivWrap()).attr("name"):h.name="radioButtonGroup";!0===e.getEnabled()?h.disabled=!1:h.disabled=!0;e.addComponentReference(e,h);var a;b||(a=this.getDivWrap().innerHTML,this.getDivWrap().innerHTML="");e.getDivWrap().appendChild(h);l=document.createElement("label");l.htmlFor=h.id;this.getText()?l.textContent=e.getText():a&&!b?l.innerHTML=a:this.getDivWrap().getAttribute("data-ctat-label")&&(l.textContent=this.getDivWrap().getAttribute("data-ctat-label"));
+e.setComponent(h);this.getDivWrap().appendChild(l);h.addEventListener("click",function(b){e.updateSAI();e.processAction()});h.addEventListener("focus",this.processFocus);h.onfocus=this.processOnFocus;this.setSelection(this.getComponentGroup());this.component.addEventListener("focus",this.processFocus)};this.getConfigurationActions=function(){var b=[];if(0<l.innerHTML.trim().length){var a=new CTATSAI;a.setSelection(this.getName());a.setInput(l.innerHTML.toString());a.setAction("setText");b.push(a)}return b};
+this.setFontColor=function(b){m=b;$(l).css("color",b)};this.getFontColor=function(){return m};this.resize=function(){var b=$(this.getDivWrap()).height();$(l).css("font-size",b-5+"px");$(this.getComponent()).css("height",b-10+"px");$(this.getComponent()).css("width",b-10+"px")};var n=this.setText;this.setText=function(b){n(b);null!==l&&(l.innerHTML=this.getText())};this.setStyleHandler("buttonLabel",this.setText);var p=this.setEnabled;this.setEnabled=function(b){p(b);null!==h&&(h.disabled=!this.getEnabled())};
+this.setChecked=function(b){null!==h&&(h.checked=b)};this.getChecked=function(){return h.checked};this.getRadioInput=function(){return h.checked?h.value+": "+l.textContent:""};this.setStyleHandler("labelPlacement",null);this.reset=function(){e.ctatdebug(" reset ( "+e.getName()+")");h.checked=!1;e.setEnabled(!0)};this.UpdateRadioButton=function(b){0<=b.indexOf(h.value)&&e.setChecked(!0);e.ctatdebug("UpdateRadioButton ()")};this.updateSAI=function(){var b=$("."+this.getClassName()+'[data-ctat-component]:has(input[type="radio"][name="'+
+h.name+'"]:checked)'),a="";1===b.length&&(a=$(b[0]).data("CTATComponent").getRadioInput());e.setSelection(h.name);e.setInput(a)};var v=function(b){l&&l.classList.add(b);h&&h.classList.add(b)},q=function(b){l&&l.classList.remove(b);h&&h.classList.remove(b)};this.showCorrect=function(b){q("CTAT--hint");q("CTAT--incorrect");(b?0===b.getInput().indexOf(h.value):1)?v("CTAT--correct"):q("CTAT-correct")};this.removeCorrect=function(){q("CTAT--correct")};this.showInCorrect=function(b){q("CTAT--hint");q("CTAT--correct");
+(b?0===b.getInput().indexOf(h.value):1)?v("CTAT--incorrect"):q("CTAT-incorrect")};this.removeInCorrect=q.bind(this,"CTAT--incorrect");this.showHintHighlight=function(b){this.removeCorrect();this.removeInCorrect();b?v("CTAT--hint"):q("CTAT--hint")}};CTATRadioButton.prototype=Object.create(CTAT.Component.Base.Clickable.prototype);CTATRadioButton.prototype.constructor=CTATRadioButton;CTAT.ComponentRegistry.addComponentType("CTATRadioButton",CTATRadioButton);var CTATScrollPaneComponent=function(a,g,f,d,c){CTAT.Component.Base.Tutorable.call(this,"CTATScrollPaneComponent","__undefined__",a,g,f,d,c);var b=0,e=this;e.isTabIndexable=!1;this.getAlpha=function(){return b};this.setAlpha=function(a){b=a};this.init=function(){e.ctatdebug("init ("+e.getName()+")");e.ctatdebug("Final location: "+e.getX()+","+e.getY()+" with text: "+e.getText());e.setInitialized(!0)};this.processCommShellEvent=function(b,a){e.ctatdebug("processCommShellEvent ("+b+")")};this.processSerialization=
+function(){e.ctatdebug("processSerialization()")};this.postProcess=function(){e.ctatdebug("postProcess ()");for(var b in this.parameters){var a=this.parameters[b];e.ctatdebug("Checking style name: "+b);if("TargetMovieClip"==b)if(e.ctatdebug("Loading sub element: ["+a.trim()+"] ..."),a=findMovieClip(a.trim()),null!==a){if(e.ctatdebug("Found target movieclip, temporarily removing ..."),null!==a.getDivWrapper().parentNode){try{a.getDivWrapper().parentNode.removeChild(a.getDivWrapper())}catch(p){CTATScrim.scrim.errorScrimUp(p.message);
+return}e.getDivWrap().setAttribute("id","scrollsubdiv");e.ctatdebug("Adding ...");e.getDivWrap().appendChild(a.getDivWrapper());var c=a.getDivWrapper().style.left,d=a.getDivWrapper().style.top;a.getDivWrapper().style.left="0px";a.getDivWrapper().style.top="0px";e.ctatdebug("Moving canvas from: "+c+","+d+" to: 0,0");a=a.getDivWrapper().childNodes;for(c=0;c<a.length;c++);}}else e.ctatdebug("Unable to find the target movieclip to reparent the content from")}e.ctatdebug("Final location: "+e.getX()+","+
+e.getY()+" with text: "+e.getText());null===CTATCommShell.commShell||void 0===CTATCommShell.commShell?e.ctatdebug("Error: can't add event listener to commshell, pointer is invalid"):CTATCommShell.commShell.addGlobalEventListener(this)};this.configFromDescription()};CTATScrollPaneComponent.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);CTATScrollPaneComponent.prototype.constructor=CTATScrollPaneComponent;CTAT.ComponentRegistry.addComponentType("CTATScrollPaneComponent",CTATScrollPaneComponent);var CTATSkillWindow=function(a,g,f,d,c){CTAT.Component.Base.Graphical.call(this,"CTATSkillWindow","__undefined__",a,g,f,d,c);var b=this;b.isTabIndexable=!1;this.getThreshold=function(){var b=parseFloat($(this.getDivWrap()).attr("data-ctat-threshold"));return isNaN(b)?.95:b};this.setThreshold=function(b){$(this.getDivWrap()).attr("data-ctat-threshold",b)};var e=null;this.init=function(){b.ctatdebug("init ("+b.getName()+")");b.setIsAbstractComponent(!0);b.setInitialized(!0);e=this.getDivWrap();this.setComponent(e);
+this.drawComponent();this.component.addEventListener("focus",this.processFocus)};this.assignSkillSet=function(b){CTATSkillSet.skills=b;this.drawComponent()};this.updateSkillSet=function(a){if(CTATSkillSet.skills){b.ctatdebug("updateSkillSet ("+a.getSkillSet().length+")");a=a.getSkillSet();for(var c=0;c<a.length;c++){var e=a[c];b.ctatdebug("Updating skill "+e.getSkillName()+" to level: "+e.getLevel()+" ...");CTATSkillSet.skills.setSkillLevel(e.getSkillName(),e.getLevel(),1)}this.drawComponent()}else b.ctatdebug("Error: updateSkillSet () no initial skill set given, can't update")};
+this.drawComponent=function(){b.ctatdebug("drawComponent ()");if(null===CTATSkillSet.skills)ctatdebug("Info: no skillSet object available, bumping out");else{var a=CTATSkillSet.skills.getSkillSet();if(null===a)b.ctatdebug("Error: list of skills is null in skills object");else if(0>=a.length)b.ctatdebug("Error: list of skills is 0 length");else{for(var c=document.createDocumentFragment(),d=this.getThreshold(),f=0;f<a.length;f++){var g=a[f];b.ctatdebug("Drawing skill "+f+" "+g.getDisplayName()+" level: "+
+g.getLevel()+" ...");var v=document.createElement("div");v.classList.add("CTATSkillWindow--skill");var q=document.createElement("div");q.classList.add("CTATSkillWindow--bar");var u=document.createElement("div"),w=g.getLevel();w<d?u.classList.add("CTATSkillWindow--bar--nonmastered"):u.classList.add("CTATSkillWindow--bar--mastery");u.style.width=w>d?"100%":100*w+"%";q.appendChild(u);v.appendChild(q);c.appendChild(v);q=document.createElement("div");q.textContent=g.getDisplayName()||"no-name";q.classList.add("CTATSkillWindow--label");
+v.appendChild(q)}e.innerHTML="";e.appendChild(c)}}}};CTATSkillWindow.prototype=Object.create(CTAT.Component.Base.Graphical.prototype);CTATSkillWindow.prototype.constructor=CTATSkillWindow;CTAT.ComponentRegistry.addComponentType("CTATSkillWindow",CTATSkillWindow);var CTATSubmitButton=function(a,g,f,d,c){CTATButton.call(this,a,g,f,d,c);this.setClassName("CTATSubmitButton");CTATConfiguration.get("previewMode");var b=this;this.setParameterHandler("target_components",function(b){this.getDivWrap().setAttribute("data-ctat-target",b);return this});var e=this.init;this.init=function(){e();this.setParameter("tutorComponent",CTAT.Component.Base.Tutorable.Options.DO_NOT_TUTOR);this.component.addEventListener("focus",this.processFocus)};var h=function(a){var c=b.getTargets();
+return 0===Object.keys(c).length?!1:a===b?!1:a instanceof CTAT.Component.Base.Tutorable?c.hasOwnProperty(a.getName())||c.hasOwnProperty(a.getComponentGroup()):a instanceof CTATSAI?a.getSelection()!=b.getName()&&c.hasOwnProperty(a.getSelection()):a instanceof String?a!=b.getName()&&c.hasOwnProperty(a):a instanceof Element?a!=b.getComponent()&&(c.hasOwnProperty(a.id)||c.hasOwnProperty(a.getAttribute("name"))):!1};a=CTAT.Component.Base.Tutorable.EventType;document.addEventListener(a.correct,function(a){a.detail.sai&&
+h(a.detail.component)&&b.isNotGraded()&&b.setCorrect()},!1);document.addEventListener(a.incorrect,function(a){a.detail.sai&&h(a.detail.component)&&(b.setIncorrect(),b.setEnabled(!0))},!1);document.addEventListener(a.ungrade,function(a){(a=a.detail.component)&&h(a)&&b.setNotGraded()},!1);document.addEventListener(a.highlight,function(a){var c=a.detail.component;c&&h(c)&&b.setHintHighlight(a.detail.isHighlighted)},!1);this.getTargets=function(){var b={},a=this.getDivWrap().getAttribute("data-ctat-target");
+a&&String(a).split(/\s*[;,]\s*/).forEach(function(a){return b[a.trim()]=1});return b};this.processClick=function(a){if(!0===b.getEnabled()){a=b.getTargets();for(var c in a)a=CTATShellTools.findComponent(c),null!==a&&0<a.length&&(a=a[0],a instanceof CTAT.Component.Base.Tutorable?a.getEnabled()&&a.grade(b):b.ctatdebug("Invalid target component: "+a))}}};CTATSubmitButton.prototype=Object.create(CTATButtonBasedComponent.prototype);CTATSubmitButton.prototype.constructor=CTATSubmitButton;
+CTAT.ComponentRegistry.addComponentType("CTATSubmitButton",CTATSubmitButton);var CTATTextBasedComponent=function(a,g,f,d,c,b,e){CTAT.Component.Base.Tutorable.call(this,a,g,f,d,c,b,e);var h=this,l="",m="#000000",n=16,p=!0,v=255,q=!0;this.setAction("UpdateTextField");this.backgrade=!0;this.setFontColor=function(b){m=b;$(h.getComponent()).css("color",b)};this.getFontColor=function(){return m};this.setFontSize=function(b){b.includes("px")||(b+="px");n=b;$(h.getComponent()).css("font-size",b)};this.getFontSize=function(){return n};this.assignText=function(b){l=b;this.setInput(b)};
+this.UpdateTextArea=this.UpdateTextField=function(b){this.setText(b)};this.setTabOnEnter=function(b){p=CTATGlobalFunctions.toBoolean(b)};this.setStyleHandler("TabOnEnter",this.setTabOnEnter);this.data_ctat_handlers["tab-on-enter"]=this.setTabOnEnter;this.assignEditable=function(b){q=b};this.setMaxCharacters=function(b){v=b};this.setStyleHandler("MaxCharacters",this.setMaxCharacters);this.getText=function(){return l};this.getEditable=function(){return q};this.getTabOnEnter=function(){return p};this.getMaxCharacters=
+function(){return v};this.setEditable=function(b){h.assignEditable(CTATGlobalFunctions.toBoolean(b));null!==h.getComponent()&&(!0===h.getEditable()?h.getComponent().contentEditable="true":h.getComponent().contentEditable="false")};this.setStyleHandler("Enabled",this.setEditable);this.setEnabled=function(b){h.assignEnabled(b);null!==h.getComponent()&&(h.getComponent().disabled=!b,this.setEditable(b))};var u=this.processAction.bind(this);this.processAction=function(b,a){h.ctatdebug("processAction ()");
+this.updateSAI();CTATGlobalFunctions.isBlank(this.getValue())||u(b,a)};this.processKeypress=function(b){h.ctatdebug("processKeypress ()");var a=b.target.getAttribute("id");h.ctatdebug(a);var c=h.getComponentFromID(a);if(null===c)h.ctatdebug("Error: component reference is null");else switch(h.ctatdebug(c.getName()+" keydown ("+("google"==CTATConfig.platform?0:window.event?window.event.keyCode:b.which)+" -> "+b.eventPhase+") ID: "+a),b.which){case 37:h.ctatdebug("left arrow key pressed!");break;case 39:h.ctatdebug("right arrow key pressed!");
+break;case 13:return p?(h.component.blur(),CTATGlobals.Tab.Focus=null,h.processAction(),!1):!0;case 0:h.component.blur();CTATGlobals.Tab.Focus=null;h.processAction();break;default:h.ctatdebug('Key pressed! "'+b.which+'"')}};this.updateSAI=function(){h.ctatdebug("updateSAI ()");this.setInput(this.getValue());var b=this.getSAI();h.ctatdebug("SAI: "+b.toTSxmlString())}};CTATTextBasedComponent.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);
+CTATTextBasedComponent.prototype.constructor=CTATTextBasedComponent;var CTATTextArea=function(a,g,f,d,c){CTATTextBasedComponent.call(this,"CTATTextArea","__undefined__",a,g,f,d,c);this.setDefaultWidth(100);this.setDefaultHeight(44);var b=this,e=null,h=null,l=CTATConfiguration.get("previewMode");this.setAction("UpdateTextArea");this.init=function(c){e=document.createElement("textarea");a&&(e.name=a.name);e.setAttribute("id",CTATGlobalFunctions.gensym.div_id());(c=this.getDivWrap())&&$(c).attr("maxlength")&&(e.maxlength=$(c).attr("maxlength"));c&&$(c).attr("rows")&&
+(e.rows=$(c).attr("rows"));c&&$(c).attr("cols")&&(e.cols=$(c).attr("cols"));b.setComponent(e);c&&$(c).attr("value")?this.setText($(c).attr("value")):e.value=this.getText();b.setInitialized(!0);b.addComponentReference(b,e);c.appendChild(e);$(e).keypress(b.processKeypress);e.addEventListener("focus",b.processFocus);$(e).on("input",function(a){b.setNotGraded()});l&&this.addEventScreen(!1)};this.processBlur=function(a){b.processAction()};this.setCellContainer=function(b){h=b};this.getCellContainer=function(){return h};
+this.setText=function(a){b.ctatdebug("setText ("+a+")");b.assignText(a);e.value=a};this.getValue=function(){return e.value};this.reset=function(){b.configFromDescription();b.processSerialization();e.value=""}};CTATTextArea.prototype=Object.create(CTATTextBasedComponent.prototype);CTATTextArea.prototype.constructor=CTATTextArea;CTAT.ComponentRegistry.addComponentType("CTATTextArea",CTATTextArea);var CTATTable=function(a,g,f,d,c){CTAT.Component.Base.Tutorable.call(this,"CTATTable","__undefined__",a,g,f,d,c);var b=this,e=[],h=[],l=0;this.get_first_row_is_header=function(){return CTATGlobalFunctions.toBoolean($(this.getDivWrap()).attr("data-ctat-has-header"))};this.set_first_row_is_header=function(b){$(this.getDivWrap()).attr("data-ctat-has-header",b);this.get_first_row_is_header()?(p(),l=1):(v(),l=0)};this.setParameterHandler("FirstRowIsHeader",this.set_first_row_is_header);a=function(b){b=
+parseInt($(this.getDivWrap()).attr(b));return isNaN(b)?2:b};var m=a.bind(this,"data-ctat-num-rows");this.get_row_count=m;this.set_row_count=function(b){$(this.getDivWrap()).attr("data-ctat-num-rows",b)};this.setNumRows=function(b){b=Number(b);if(!isNaN(b)){for(;this.get_row_count()<b;)this.addRow();for(;this.get_row_count()>b;)this.deleteRow()}};var n=a.bind(this,"data-ctat-num-cols");this.get_col_count=n;this.set_col_count=function(b){$(this.getDivWrap()).attr("data-ctat-num-cols",b)};this.setNumCols=
+function(b){b=Number(b);if(!isNaN(b)){for(;this.get_col_count()<b;)this.addColumn();for(;this.get_col_count()>b;)this.deleteColumn()}};this.super_setName=this.setName;this.setName=function(b){this.super_setName(b);if(e&&e[0])for(var a=0;a<e.length;a++)for(var c=0;c<e[0].length;c++)e[a][c].setAttribute("id",b+".R"+a+"C"+c)};this.init=function(){b.ctatdebug("init ("+b.getName()+")");b.setInitialized(!0);var a=b.getDivWrap();b.setComponent(a);b.addComponentReference(b,a);b.render();b.ctatdebug("table name = "+
+this.getName());this.adjustTableContents();this.get_first_row_is_header()?(p(),l=1):l=0};this.getConfigurationActions=function(){var b=[],a,c=$(this.getDivWrap());c.attr("data-ctat-num-rows")&&(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("setNumRows"),a.setInput(c.attr("data-ctat-num-rows")),b.push(a));c.attr("data-ctat-num-cols")&&(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("setNumCols"),a.setInput(c.attr("data-ctat-num-cols")),b.push(a));c.attr("data-ctat-has-header")&&
+(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("set_first_row_is_header"),a.setInput(c.attr("data-ctat-has-header")),b.push(a));return b};var p=function(){b.ctatdebug("fix_header()");h[0].classList.add("CTATTable--headers");for(var a=0;a<e[0].length;a++)e[0][a].classList.add("CTATTable--header")}.bind(this),v=function(){b.ctatdebug("remove_header()");h[0].classList.remove("CTATTable--headers");for(var a=0;a<e[0].length;a++)e[0][a].classList.remove("CTATTable--header")}.bind(this);this.fixHeader=
+p;this.removeHeader=v;var q=function(b,a){var c=document.createElement("div"),e=this.getName()+".R"+b+"C"+a;c.id=e;c.classList.add("CTATTable--cell");c.classList.add("CTATTextArea");var d=new CTATTextArea;d.setName(e);d.setDivWrapper(c);(e=this.getTabIndex())&&d.setTabIndex(e);d.processAttributes();d.init(!0);d.processTabOrder();d.setEnabled(this.getEnabled());$(c).data("CTATComponent",d);return c}.bind(this);this.addRow=function(){var b=document.createElement("div");b.classList.add("CTATTable--row");
+var a=m();parseInt(a,10);e[a]=[];for(var c=0;c<n();c++){var d=q(a,c);e[a].push(d);b.appendChild(d)}$(this.getDivWrap()).append(b);h.push(b);this.set_row_count(a+1)};this.deleteRow=function(){var b=this.getDivWrap();b.removeChild(b.lastChild);h.pop();e.pop();this.set_row_count(this.get_row_count()-1)};this.addColumn=function(){var b=n(),a=0;h.forEach(function(c){var d=q(a,b);e[a].push(d);a<l&&d.classList.add("CTATTable--header");c.appendChild(d);a++});this.set_col_count(b+1)};this.deleteColumn=function(){this.getDivWrap();
+for(var b=h.length,a=0;a<b;a++)h[a].removeChild(h[a].lastChild),e[a].pop();this.set_col_count(this.get_col_count()-1)};this.adjustTableContents=function(){b.ctatdebug("adjustTableContents()");for(var a=m(),c=0;c<a;c++){var d=document.createElement("div");d.classList.add("CTATTable--row");$(this.getDivWrap()).append(d);h.push(d);for(var f=0;f<n();f++){var g=b.getName()+".R"+c+"C"+f,l=CTATShellTools.findComponent(g);l&&0!==l.length&&l[0].getName()===g?(g=l[0].getDivWrap(),g.classList.add("CTATTable--cell")):
+g=q(c,f);d.appendChild(g);e[c]||(e[c]=[]);e[c].push(g)}}}};CTATTable.prototype=Object.create(CTAT.Component.Base.Graphical.prototype);CTATTable.prototype.constructor=CTATTable;CTAT.ComponentRegistry.addComponentType("CTATTable",CTATTable);var CTATTextField=function(a,g,f,d,c){CTATTextBasedComponent.call(this,"CTATTextBasedComponent","__undefined__",a,g,f,d,c);var b=this,e=null,h,l,m=null;this.setAction("UpdateTextArea");this.init=function(){e=this.getDivWrap();b.setComponent(e);this.getText()&&(e.innerHTML=b.getText());var a=e.getAttribute("data-ctat-selectable");a&&"true"==a.toLowerCase()&&p();b.setInitialized(!0);b.addComponentReference(b,e);b.setEditable(!1);a=(a=e.getAttribute("data-ctat-enabled"))&&"true"==a.toLowerCase();b.setEnabled(a);
+b.render();b.addSafeEventListener("focus",b.processFocus,e)};var n=this.setEnabled.bind(this);this.setEnabled=function(a){n(a);b.setEditable(!1)};var p=function(){[h,l].forEach(function(b,a){var c=document.createElement("span"),e=document.createElement("div"),d=0==a;c.className="ctattextfield-marker";c.id=d?"start-marker":"end-marker";e.className="handle";c.appendChild(e);d?(e.className+=" start-handle",h=c):(e.className+=" end-handle",l=c);c.addEventListener("click",function(b){b.stopPropagation()});
+c.addEventListener("mouseup",function(b){b.stopPropagation()})});b.addSafeEventListener("mouseup",v,e)},v=function(a){if(b.getEnabled()){a=null;b.clearSelectionMarkers();if(window.getSelection){var c=window.getSelection();c.getRangeAt&&(a=c.getRangeAt(0))}else document.selection&&document.selection.createRange&&(a=document.selection.createRange());a&&!a.collapsed&&e.contains(a.startContainer)&&a.startContainer==a.endContainer?(m=a.startOffset+","+a.endOffset,b.processAction(),b.setSelectionMarkers(a)):
+(m="0,0",b.processAction())}};this.setSelectionMarkers=function(b){b.insertNode(h);b.collapse(!1);b.insertNode(l)};this.clearSelectionMarkers=function(){h.parentNode&&h.parentNode.removeChild(h);l.parentNode&&l.parentNode.removeChild(l);e.normalize();m=null};this.getConfigurationActions=function(){return 0<e.innerHTML.trim().length?(console.log(e.innerHTML),this.setInput(e.innerHTML.toString()),[this.getSAI()]):[]};this.setText=function(a){b.ctatdebug("setText ("+a+")");b.assignText(a);null!==e&&
+(e.innerHTML=a)};this.getValue=function(){var b=content=""+this.getDivWrap().innerHTML;m&&(content=content.replace(/<span.*?class="ctattextfield-marker".*?>.*?<\/span>/g,""),b=m+";"+content);return b};var q=this.updateSAI.bind(this);this.updateSAI=function(){m?b.setAction("TextSelected"):b.setAction("UpdateTextArea");q()};this.setStyleHandler("ShowScrollbars",function(a){!0===CTATGlobalFunctions.toBoolean(a)?b.modifyCSSAttribute("overflow","scroll"):b.modifyCSSAttribute("overflow","hidden")})};
+CTATTextField.prototype=Object.create(CTATTextBasedComponent.prototype);CTATTextField.prototype.constructor=CTATTextField;CTAT.ComponentRegistry.addComponentType("CTATTextField",CTATTextField);var CTATTextInput=function(a,g,f,d,c){CTATTextBasedComponent.call(this,"CTATTextInput","__undefined__",a,g,f,d,c);var b=this,e=null,h=null,l=CTATConfiguration.get("previewMode");this.init=function(){this.ctatdebug("init ("+b.getName()+")");e=document.createElement("input");e.type="text";a&&(e.name=a.name);e.setAttribute("maxlength",b.getMaxCharacters());e.setAttribute("id",CTATGlobalFunctions.gensym.div_id());b.setComponent(e);this.ctatdebug("Final location: "+b.getX()+","+b.getY()+" with text: "+
+b.getText());var c=$(this.getDivWrap());c.attr("value")&&this.setText(c.attr("value"));var d=$(e);"autofocus defaultValue maxLength pattern placeholder readOnly size title".split(" ").forEach(function(b){var a=c.attr(b);a&&d.attr(b,a)});b.setInitialized(!0);b.addComponentReference(b,e);b.getDivWrap().appendChild(e);b.addSafeEventListener("keypress",b.processKeypress,e);b.addSafeEventListener("focus",b.processFocus,e);$(e).on("input",function(a){b.setNotGraded()});l&&this.addEventScreen(!1)};this.getConfigurationActions=
+function(){var b=[],a=$(this.getDivWrap());if(a.attr("value")){var c=new CTATSAI;c.setSelection(this.getName());c.setAction("UpdateTextField");c.setInput(a.attr("value"));b.push(c)}return b};this.setCellContainer=function(b){h=b};this.getCellContainer=function(){return h};this.setText=function(a){b.ctatdebug("setText ("+a+")");b.assignText(a);e.value=a};this.getValue=function(){return e.value};this.reset=function(){b.configFromDescription();b.processSerialization();e.value=""};this.setStyleHandler("DrawBorder",
+null)};CTATTextInput.prototype=Object.create(CTATTextBasedComponent.prototype);CTATTextInput.prototype.constructor=CTATTextInput;CTAT.ComponentRegistry.addComponentType("CTATTextInput",CTATTextInput);var CTATVideo=function(a,g,f,d,c){CTAT.Component.Base.Tutorable.call(this,"CTATVideo","__undefined__",a,g,f,d,c);var b=0,e=this,h=null;this.getAlpha=function(){return b};this.setAlpha=function(a){b=a};this.ctatdebug(this.getClassName()+" ("+this.getX()+","+this.getY()+","+this.getWidth()+","+this.getHeight()+")");this.setTutorComponent(CTAT.Component.Base.Tutorable.Options.TutorComponent.DO_NOT_TUTOR);this.configFromDescription();this.init=function(){e.ctatdebug("init ("+e.getName()+")");e.addCSSAttribute("z-index",
+CTATGlobalFunctions.gensym.z_index());h=document.createElement("video");this.getDivWrap()&&$(this.getDivWrap()).attr("src")&&!CTATConfiguration.get("previewMode")&&(h.src=$(this.getDivWrap()).attr("src"));this.getDivWrap()&&$(e.getDivWrap()).attr("data-ctat-controls")?h.controls=CTATGlobalFunctions.toBoolean($(this.getDivWrap()).attr("data-ctat-controls")):h.controls=!0;h.autocontrols=!1;e.ctatdebug("Auto play: "+$(e.getDivWrap()).attr("data-ctat-autoplay"));this.getDivWrap()&&$(e.getDivWrap()).attr("data-ctat-autoplay")?
+h.autoplay=CTATGlobalFunctions.toBoolean($(this.getDivWrap()).attr("data-ctat-autoplay")):h.autoplay=!0;e.setComponent(h);h.name=e.getName();h.setAttribute("id",CTATGlobalFunctions.gensym.div_id());h.setAttribute("onkeypress","return noenter(event)");e.addComponentReference(e,h);e.ctatdebug("Final location: "+e.getX()+","+e.getY()+" with text: "+e.getText());e.setInitialized(!0);e.getDivWrap().appendChild(h);e.ctatdebug("Resizing component to: "+$(e.getDivWrap()).width()+","+$(e.getDivWrap()).height());
+h.addEventListener("focus",this.processFocus);h.addEventListener("canplay",function(){e.ctatdebug("Video loaded and ready for play")},!0);h.addEventListener("play",function(){e.ctatdebug("Video loaded and ready for play");e.logVideoEvent("play")},!0);h.addEventListener("pause",function(){e.ctatdebug("Video loaded and ready for play");e.logVideoEvent("pause")},!0);e.sizeToDiv()};this.sizeToDiv=function(){h&&(h.setAttribute("width",$(e.getDivWrap()).width()),h.setAttribute("height",$(e.getDivWrap()).height()))};
+var l=this.render;this.render=function(){l.call(this);this.sizeToDiv()};this.getConfigurationActions=function(){var b=[],a;$(e.getDivWrap()).attr("data-ctat-controls")&&(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("showControls"),a.setInput($(e.getDivWrap()).attr("data-ctat-controls")),b.push(a));$(e.getDivWrap()).attr("data-ctat-autoplay")&&(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("setAutoplay"),a.setInput($(e.getDivWrap()).attr("data-ctat-autoplay")),b.push(a));$(this.getDivWrap()).attr("src")&&
+(a=new CTATSAI,a.setSelection(this.getName()),a.setAction("setURL"),a.setInput($(this.getDivWrap()).attr("src")),b.push(a));return b};this.logVideoEvent=function(b){e.ctatdebug("logVideoEvent ("+b+")");if(void 0!==h.duration)if(null!==CTATCommShell.commShell){b=new CTATSAI(e.getName(),b,e.toHHMMSS(h.currentTime)+".000","");b.addSelection(encodeURIComponent(h.currentSrc),"media_file");b.addSelection(e.toHHMMSS(h.duration)+".000","clip_length");var a=b.getInputObject();null!==a&&a.setType("time");CTATCommShell.commShell.processComponentAction(b,
+e.getTutorComponent(),!0,e,"VIDEO_ACTION","USER")}else e.ctatdebug("Error: commShell is null, can't send untutored tool message");else e.ctatdebug("Error: audio file not loaded yet, can't obtain duration")};this.PlayMedia=function(b){h.src=b};this.showControls=function(b){b=CTATGlobalFunctions.toBoolean(b);$(e.getDivWrap()).attr("data-ctat-controls",b);h.controls=b};this.setAutoplay=function(b){b=CTATGlobalFunctions.toBoolean(b);$(e.getDivWrap()).attr("data-ctat-autoplay",b);h.autoplay=b};this.setURL=
+function(b){$(this.getDivWrap()).attr("src",b);h.src=b};this.play=function(b){e.ctatdebug("play ()");var a="0";b&&(a="number"===typeof b?String(b):"string"===typeof b?b:"0");h.currentTime=a;h.play()};this.pause=function(b){e.ctatdebug("pause ()");h.pause();var a="0";b&&(a="number"===typeof b?String(b):"string"===typeof b?b:"0");h.currentTime=a};this.stop=function(){e.ctatdebug("stop ()");e.pause()}};CTATVideo.prototype=Object.create(CTAT.Component.Base.Tutorable.prototype);
 CTATVideo.prototype.constructor=CTATVideo;CTAT.ComponentRegistry.addComponentType("CTATVideo",CTATVideo);var CTATAssistments={},assistmentsTimerVar,assistmentsJSONpreface='{ "version" : "AS.1", "action" : ';function iframeToParent(a){window.parent.postMessage(a,"https://test1.assistments.org")}function iframeLoaded(){iframeToParent(assistmentsJSONpreface+'"loaded" }');assistmentsTimerVar=window.setInterval("iframeHeartbeat()",1E4)}function iframeHeartbeat(){iframeToParent(assistmentsJSONpreface+'"heartbeat"}')}
 function iframeCompleted(){var a=document.getElementById("MyScore").value;iframeToParent(assistmentsJSONpreface+'"completed", "answer" : "<b>Student worked hard on this problem.</b>","score" : '+a+" }");window.clearTimeout(assistmentsTimerVar)};var CTATEnabledInPreview={},ctatEnabledInPreview={CTATButton:!0,CTATComboBox:!0,CTATAudioButton:!0,CTATImageButton:!0,CTATSubmitButton:!0,CTATTextArea:!0,CTATTextInput:!0,CTATNumericStepper:!0,CTATTable:!0,CTATHintButton:!0,CTATDoneButton:!0};var CTATTutor={drawing:!1,onMobile:!1,tutorInitialized:!1,flashVars:null};Object.defineProperty(CTATTutor,"parser",{get:function(){this._parser||(CTATConfig.parserType_is_XML()?(ctatdebug("Creating XML parser ..."),this._parser=new CTATXML):CTATConfig.parserType_is_JSON()&&(this._parser=new CTATJSON));return this._parser}});
-CTATTutor.initializeHTMLComponents=function(){for(var a in CTAT.ComponentRegistry){var b=CTAT.ComponentRegistry[a];$("."+a).each(function(){if(!$(this).data("CTATComponent")){var a=new b;$(this).attr("id")?a.setName($(this).attr("id")):(this.setAttribute("id",CTATGlobalFunctions.gensym.div_id()),a.setName(this.getAttribute("id")));a.setDivWrapper(this);a.processAttributes();a.init();a.processTabOrder();a.setEnabled(a.getEnabled());if(0==a.isFeedbackComponent()){var g=new CTATComponentDescription;
-g.type=a.getClassName();g.name=a.getName();g.setComponentPointer(a);CTATShellTools.registerComponentDescription(g)}$(this).data("CTATComponent",a);if(CTATConfiguration.get("previewMode")){var g=a.getDivWrap().getAttribute("data-ctat-enabled"),d=ctatEnabledInPreview[a.getClassName()];d||(d=!1);a.setEnabled(d);a.getDivWrap().setAttribute("data-ctat-enabled",g)}}})}CTATShellTools.listComponents();ctatdebug("initializeHTMLComponents () done")};
-CTATTutor.callComponentFunction=function(a,b,e){if((a=CTATShellTools.findComponent(a.id))&&0<a.length){a=a[0];var g=null;b&&(g=b(a,e));return g}};function assignNameTranslator(a){nameTranslator=a}CTATTutor.drawTutor=function(){if(!0!==this.drawing){this.drawing=!0;for(var a in CTATShellTools.component_descriptions){var b=CTATShellTools.component_descriptions[a].getComponentPointer();null!==b&&b.drawComponent()}this.drawing=!1}};
+CTATTutor.removeComponent=function(a){var g=[],f=CTATShellTools.findComponent(a);console.log("CTATTutor.removeComponent("+a+") cList",f);if(!a||!f)return g;for(var d=a=null,d=null,c=0;c<f.length;++c)if(a=f[c]){console.log("CTATTutor.removeComponent()[",c,"] ",a.getName&&a.getName(),a);(a.getComponentList?a.getComponentList():[]).forEach(function(b){CTATTutor.removeComponent(b.getName?b.getName():"")});if(d=a.getName&&a.getName())delete CTATShellTools.component_descriptions[d],g.push(d);if(d=a.getDivWrap&&
+a.getDivWrap())a.setDivWrapper(null),$(d).data("CTATComponent",null),$(d).remove();console.log("CTATTutor.removeComponent()[",c,"] divWrap",d)}return g};
+CTATTutor.initializeHTMLComponent=function(a,g){var f=CTAT.ComponentRegistry[g],d;if(d=$(a).data("CTATComponent"))return d;d=new f;$(a).attr("id")?d.setName($(a).attr("id")):(a.setAttribute("id",CTATGlobalFunctions.gensym.div_id()),d.setName(a.getAttribute("id")));d.setDivWrapper(a);d.processAttributes();d.init();d.processTabOrder();d.setEnabled(d.getEnabled());0==d.isFeedbackComponent()&&(f=new CTATComponentDescription,f.type=d.getClassName(),f.name=d.getName(),f.setComponentPointer(d),CTATShellTools.registerComponentDescription(f));
+$(a).data("CTATComponent",d);if(CTATConfiguration.get("previewMode")){var f=d.getDivWrap().getAttribute("data-ctat-enabled"),c=ctatEnabledInPreview[d.getClassName()];c||(c=!1);d.setEnabled(c);d.getDivWrap().setAttribute("data-ctat-enabled",f)}return d};CTATTutor.initializeHTMLComponents=function(){for(var a in CTAT.ComponentRegistry)$("."+a).each(function(){$(this).data("CTATComponent")||CTATTutor.initializeHTMLComponent(this,a)});CTATShellTools.listComponents();ctatdebug("initializeHTMLComponents () done")};
+var CTATComponentMutObserver=new MutationObserver(function(a,g){a.forEach(function(a){if(a.addedNodes){a=a.addedNodes;for(var d=a.length,c=0;c<d;c++){var b=a[c];if(b.nodeType===Node.ELEMENT_NODE){b.childNodes&&(a=Array.prototype.concat.call(a,Array.from(b.childNodes)));for(var d=a.length,e=/(CTAT[A-z]*)(\s|$)/g;ctatClass=e.exec(b.className);)if(CTAT.ComponentRegistry[ctatClass[1]]){CTATComponentMutObserver.disconnect();CTATTutor.initializeHTMLComponent(b,ctatClass[1]);CTATComponentMutObserver.observe(document.body,
+{childList:!0,subtree:!0});break}}}}})});function addMutObserver(){console.log("adding ctatcomponent mutation observer");CTATComponentMutObserver.observe(document.body,{childList:!0,subtree:!0})}"loading"!==document.readyState?addMutObserver():document.addEventListener("DOMContentLoaded",addMutObserver);CTATTutor.callComponentFunction=function(a,g,f){if((a=CTATShellTools.findComponent(a.id))&&0<a.length){a=a[0];var d=null;g&&(d=g(a,f));return d}};
+function assignNameTranslator(a){nameTranslator=a}CTATTutor.drawTutor=function(){if(!0!==this.drawing){this.drawing=!0;for(var a in CTATShellTools.component_descriptions){var g=CTATShellTools.component_descriptions[a].getComponentPointer();null!==g&&g.drawComponent()}this.drawing=!1}};
 CTATTutor.initialize=function(){var a=navigator.userAgent.toLowerCase();0<a.search("iphone")?CTATTutor.onMobile=!0:0<a.search("ipod")?CTATTutor.onMobile=!0:0<a.search("android")&&(CTATTutor.onMobile=!0);a=getSafeElementById("pageor");null!==a&&!1===CTATTutor.onMobile&&(a.style.display="none");ctatdebug("initialize ()");this.initializeHTMLComponents();flashVars.getRawFlashVars();a=!0;CTATConfiguration.get("previewMode")&&(ctatdebug("In preview mode..."),a=!1);1==a?(CTATCommShell.commShell=new CTATCommShell,
 CTATCommShell.commShell.init(CTATTutor)):CTATScrim.scrim.scrimDown()};
 CTATTutor.createInterface=function(){ctatdebug("createInterface ("+Object.keys(CTATShellTools.component_descriptions).length+")");if(1==CTATGlobals.ignoreInterfaceDescriptions)ctatdebug("No need to process interface description messages, the interface should already be ready."),this.postProcess(),this.drawTutor();else{if(CTATGlobals.interfaceElement){ctatdebug("Re-creating interface ...");var a=CTATTutor.parser.getElementChildren(CTATGlobals.interfaceElement);CTATTutor.createStaticInterface(null,
-a,null)}for(var b in CTATShellTools.component_descriptions){a=CTATShellTools.component_descriptions[b];if(!a){alert("Internal error parsing component at index "+b);return}if(!a.name){alert("Internal error parsing component at index "+b+" (no name attribute available)");return}if(-1==a.name.indexOf("null."))if(ctatdebug("Component: "+a.name+", type: "+a.type),"CTATCommShell"==a.type){if(CTATCommShell.commShell&&CTATCommShell.commShell.setName(a.name),"CTATCommShell"==a.type){ctatdebug("Tutor dimensions: "+
-a.width+"x"+a.height);var e=getSafeElementById(ctatcontainer);null!==e?(ctatdebug("Setting canvas dimensions from: "+e.width+"px, "+e.height+"px, to: "+a.width+"px, "+a.height+"px"),e.width=a.width,e.height=a.height,e.style.width=a.width,e.style.height=a.height,ctatdebug("Canvas dimensions now: "+e.width+"px, "+e.height+"px")):ctatdebug("Error: tutor canvas is null, can't adjust size");e=getSafeElementById(ctatcontainer);null!==e?(e.style.width=a.width+"px",e.style.height=a.height+"px"):ctatdebug("Error: tutor container is null, can't adjust size")}}else CTAT.ComponentRegistry.hasOwnProperty(a.type)?
-(ctatdebug("Creating ("+a.type+") :"+a.name),e=new CTAT.ComponentRegistry[a.type](a,a.x,a.y,a.width,a.height),e.setName(a.name),"CTATTextInput"!=a.type&&"CTATTextArea"!=a.type||e.setEnabled(!0),e.setTabIndex(a.tabIndex),a.setComponentPointer(e),e.initialize(),ctatdebug(e.getDivWrap())):ctatdebug("ERROR: Unrecognized component type "+a.type+" for "+a.name)}this.postProcess();this.drawTutor();ctatdebug("Tutor has been intialized from BRD, recalculating canvas position and size ...")}};
-CTATTutor.postProcess=function(){ctatdebug("postProcess ()");for(var a in CTATShellTools.component_descriptions){var b=CTATShellTools.component_descriptions[a].getComponentPointer();null!==b?(b.getClassName(),b.postProcess&&b.postProcess()):ctatdebug("Error: component pointer "+a+" is null")}};
-CTATTutor.createStaticInterface=function(a,b,e){ctatdebug("createStaticInterface ()");var g=getSafeElementById(ctatcontainer);null!==a&&(g=a);for(a=0;a<b.length;a++){var d=b[a];ctatdebug(this.parser.getElementName(d));if("timeline"==this.parser.getElementName(d)){ctatdebug("Timeline node found, obtaining visual elements ...");b=this.parser.getElementChildren(d);this.createStaticInterface(null,b,null);break}if("ctatcomponent"==this.parser.getElementName(d)){var c=this.parser.getElementAttr("instance");
-e&&(ctatdebug("Registering existence of CTAT component on MovieClip container: "+c),e.addComponent(c))}var f,h,m,l;"shape"==this.parser.getElementName(d)&&(f=this.parser.getElementAttr(d,"x"),h=this.parser.getElementAttr(d,"y"),m=this.parser.getElementAttr(d,"width"),l=this.parser.getElementAttr(d,"height"),c=this.parser.getElementAttr(d,"instance"),ctatdebug("Creating shape: "+c+" at: "+f+","+h+","+m+","+l),m="data:image/png;base64, "+this.parser.getNodeTextValue(d),l=new Image,l.setAttribute("style",
-"position: absolute; top: "+h+"px; left:"+f+"px; z-index:"+CTATGlobalFunctions.gensym.z_index()+";"),l.setAttribute("id",c),l.setAttribute("src",m),g.appendChild(l));"statictext"==this.parser.getElementName(d)&&(f=this.parser.getElementAttr(d,"x"),h=this.parser.getElementAttr(d,"y"),m=this.parser.getElementAttr(d,"width"),l=this.parser.getElementAttr(d,"height"),c=this.parser.getElementAttr(d,"instance"),ctatdebug("Creating static text: "+c+" at: "+f+","+h+","+m+","+l),m="data:image/png;base64, "+
-this.parser.getNodeTextValue(d),l=new Image,l.setAttribute("style","position: absolute; top: "+h+"px; left:"+f+"px; z-index:"+CTATGlobalFunctions.gensym.z_index()+";"),l.setAttribute("id",c),l.setAttribute("src",m),g.appendChild(l));"statictext"==this.parser.getElementName(d)&&(c=this.parser.getElementAttr("instance"),ctatdebug("Creating movieclip: "+c),f=this.parser.getElementAttr(d,"x"),h=this.parser.getElementAttr(d,"y"),m=this.parser.getElementAttr(d,"width"),l=this.parser.getElementAttr(d,"height"),
-f=new CTATMovieClip(c,f,h,m,l),h=f.wrapComponent(g),ctatdebug("Created movieclip: "+c+" at: "+f.x+","+f.y+","+f.width+","+f.height),movieclips.push(f),d=this.parser.getElementChildren(d),this.createStaticInterface(h,d,f))}};
-CTATTutor.runTutor=function(){ctatdebug("runTutor ()");!0===CTATGlobals.tutorRunning?ctatdebug("The tutor is already running"):(null==CTATSkillSet.skills&&(CTATSkillSet.skills=new CTATSkillSet),window.onerror=function(a,b,e){var g=new CTATHTMLManager;ctatdebug(g.htmlEncode(a)+" in "+b+", line "+e);ctatdebug(g.htmlEncode(a)+" in "+b+", line "+e)},centerTutorContainer(),CTATTutor.initialize(),CTATGlobals.tutorRunning=!0,ctatdebug("runTutor () ... all set"))};
-CTATTutor.initTutor=function(a,b,e,g){ctatdebug("initTutor() #aFlashVars "+(a?a.length:null)+", usingFlash "+g);if(1==CTATTutor.tutorInitialized)ctatdebug("Tutor already initialized, probably in author mode"),a.previewMode&&(CTATScrim.scrim.scrimDown(),ctatdebug("In preview mode..."));else{CTATConfiguration.generateDefaultConfigurationObject();CTATConfiguration.setParams(a);switch(CTATConfiguration.get("show_debug_traces")){case "true":case "basic":useDebuggingBasic=!0;break;case "on":case "full":useDebugging=
-!0;break;case "false":case "off":useDebuggingBasic=useDebugging=!1;break;default:useDebuggingBasic=!0}null==g&&(g=CTATConfiguration.usingFlash());g&&CTATScrim.scrim.scrimDown();CTATCommLibrary.setAuthenticityToken(CTATConfiguration.get("authenticity_token"));b&&(ctatcontainer=b);(a=document.getElementById(ctatcontainer))&&a.classList.add("CTATTutorContainer");a=getSafeElementById("debugtraces");null!==a&&(useDebugging=!0===a.checked?!0:!1);ctatdebug("initTutor() CTATConfiguration.get('mode')="+CTATConfiguration.get("mode")+
-", window.sendToTutor="+window.sendToTutor);CTATConfiguration.get("swf_name")&&!window.sendToTutor&&(window.sendToTutor=function(a){ctatdebug("window.sendToTutor("+a+") CTAT.ToolTutor.tutor "+CTAT.ToolTutor.tutor);return CTAT.ToolTutor.tutor?CTAT.ToolTutor.tutor.receiveFromInterface(a):CTAT.ToolTutor.tutorMessages.push(a)},window.registerInterface=function(a){CTAT.ToolTutor.registerInterfaceMessageHandler(a)});"javascript"==String(CTATConfiguration.get("tutoring_service_communication")).toLowerCase()&&
-("undefined"!=typeof CTATExampleTracer&&CTATExampleTracer?CTAT.ToolTutor.registerTutor(new CTATExampleTracer):CTATScrim.scrim.warningScrimUp('Tutoring service communication parameter is "JavaScript" but class\nCTATExampleTracer is missing. Use a different ctat-*.js script.'));ctatdebug("initTutor ()");"applet"==CTATConfiguration.get("tutoring_service_communication")&&deployJava.runApplet({id:"TSApplet",width:150,height:10},{jnlp_href:"/ctat_applet/TSApplet.jnlp"},"1.6");g||CTATTutor.runTutor();CTATTutor.tutorInitialized=
-!0}};window.hasOwnProperty("initTutor")||(window.initTutor=CTATTutor.initTutor);function receiveFromTutor(){ctatdebug("receiveFromTutor ()")}function saveAndQuit(){ctatdebug("saveAndQuit ()")}function prepTutorArea(){initTutor()}window.prepTutorArea=prepTutorArea;function assignAnonymousGradingProcessor(a){CTATCommShell.commShell.assignAnonymousGradingProcessor(a)}
-function gradeAnonymousComponent(a,b,e){ctatdebug("gradeAnonymousComponent ()");a=new CTATSAI(a,b,e);CTATCommShell.commShell.processComponentAction(a)}function testTutor(a){ctatdebug("testTutor ()");window.onerror=function(a,e,g){var b=new CTATHTMLManager;ctatdebug(b.htmlEncode(a)+" in "+e+", line "+g)};null==CTATSkillSet.skills&&(CTATSkillSet.skills=new CTATSkillSet);(new CTATCommLibrary).send("http://augustus.pslc.cs.cmu.edu/crossdomain.xml")}
-function centerTutorContainer(){ctatdebug("centerTutorContainer ()");var a=getSafeElementById(ctatcontainer);if(null==a)ctatdebug("Tutor container not found, bump");else{var b;if(flashVars){b=flashVars.getRawFlashVars();var e,g;e=a.offsetWidth;g=a.offsetHeight;b&&b.width&&b.height&&(ctatdebug("We have raw width and height variables in our flashvars: "+b.width+","+b.height),e=b.width,g=b.height);b.centerTutor?1==b.centerTutor&&(ctatdebug("Moving tutor over by: "+("-"+Number(e/2)+"px 0 0 -"+Number(g/
+a,null)}for(var g in CTATShellTools.component_descriptions){a=CTATShellTools.component_descriptions[g];if(!a){alert("Internal error parsing component at index "+g);return}if(!a.name){alert("Internal error parsing component at index "+g+" (no name attribute available)");return}if(-1==a.name.indexOf("null."))if(ctatdebug("Component: "+a.name+", type: "+a.type),"CTATCommShell"==a.type){if(CTATCommShell.commShell&&CTATCommShell.commShell.setName(a.name),"CTATCommShell"==a.type){ctatdebug("Tutor dimensions: "+
+a.width+"x"+a.height);var f=getSafeElementById(ctatcontainer);null!==f?(ctatdebug("Setting canvas dimensions from: "+f.width+"px, "+f.height+"px, to: "+a.width+"px, "+a.height+"px"),f.width=a.width,f.height=a.height,f.style.width=a.width,f.style.height=a.height,ctatdebug("Canvas dimensions now: "+f.width+"px, "+f.height+"px")):ctatdebug("Error: tutor canvas is null, can't adjust size");f=getSafeElementById(ctatcontainer);null!==f?(f.style.width=a.width+"px",f.style.height=a.height+"px"):ctatdebug("Error: tutor container is null, can't adjust size")}}else CTAT.ComponentRegistry.hasOwnProperty(a.type)?
+(ctatdebug("Creating ("+a.type+") :"+a.name),f=new CTAT.ComponentRegistry[a.type](a,a.x,a.y,a.width,a.height),f.setName(a.name),"CTATTextInput"!=a.type&&"CTATTextArea"!=a.type||f.setEnabled(!0),f.setTabIndex(a.tabIndex),a.setComponentPointer(f),f.initialize(),ctatdebug(f.getDivWrap())):ctatdebug("ERROR: Unrecognized component type "+a.type+" for "+a.name)}this.postProcess();this.drawTutor();ctatdebug("Tutor has been intialized from BRD, recalculating canvas position and size ...")}};
+CTATTutor.postProcess=function(){ctatdebug("postProcess ()");for(var a in CTATShellTools.component_descriptions){var g=CTATShellTools.component_descriptions[a].getComponentPointer();null!==g?(g.getClassName(),g.postProcess&&g.postProcess()):ctatdebug("Error: component pointer "+a+" is null")}};
+CTATTutor.createStaticInterface=function(a,g,f){ctatdebug("createStaticInterface ()");var d=getSafeElementById(ctatcontainer);null!==a&&(d=a);for(a=0;a<g.length;a++){var c=g[a];ctatdebug(this.parser.getElementName(c));if("timeline"==this.parser.getElementName(c)){ctatdebug("Timeline node found, obtaining visual elements ...");g=this.parser.getElementChildren(c);this.createStaticInterface(null,g,null);break}if("ctatcomponent"==this.parser.getElementName(c)){var b=this.parser.getElementAttr("instance");
+f&&(ctatdebug("Registering existence of CTAT component on MovieClip container: "+b),f.addComponent(b))}var e,h,l,m;"shape"==this.parser.getElementName(c)&&(e=this.parser.getElementAttr(c,"x"),h=this.parser.getElementAttr(c,"y"),l=this.parser.getElementAttr(c,"width"),m=this.parser.getElementAttr(c,"height"),b=this.parser.getElementAttr(c,"instance"),ctatdebug("Creating shape: "+b+" at: "+e+","+h+","+l+","+m),l="data:image/png;base64, "+this.parser.getNodeTextValue(c),m=new Image,m.setAttribute("style",
+"position: absolute; top: "+h+"px; left:"+e+"px; z-index:"+CTATGlobalFunctions.gensym.z_index()+";"),m.setAttribute("id",b),m.setAttribute("src",l),d.appendChild(m));"statictext"==this.parser.getElementName(c)&&(e=this.parser.getElementAttr(c,"x"),h=this.parser.getElementAttr(c,"y"),l=this.parser.getElementAttr(c,"width"),m=this.parser.getElementAttr(c,"height"),b=this.parser.getElementAttr(c,"instance"),ctatdebug("Creating static text: "+b+" at: "+e+","+h+","+l+","+m),l="data:image/png;base64, "+
+this.parser.getNodeTextValue(c),m=new Image,m.setAttribute("style","position: absolute; top: "+h+"px; left:"+e+"px; z-index:"+CTATGlobalFunctions.gensym.z_index()+";"),m.setAttribute("id",b),m.setAttribute("src",l),d.appendChild(m));"statictext"==this.parser.getElementName(c)&&(b=this.parser.getElementAttr("instance"),ctatdebug("Creating movieclip: "+b),e=this.parser.getElementAttr(c,"x"),h=this.parser.getElementAttr(c,"y"),l=this.parser.getElementAttr(c,"width"),m=this.parser.getElementAttr(c,"height"),
+e=new CTATMovieClip(b,e,h,l,m),h=e.wrapComponent(d),ctatdebug("Created movieclip: "+b+" at: "+e.x+","+e.y+","+e.width+","+e.height),movieclips.push(e),c=this.parser.getElementChildren(c),this.createStaticInterface(h,c,e))}};
+CTATTutor.runTutor=function(){ctatdebug("runTutor ()");!0===CTATGlobals.tutorRunning?ctatdebug("The tutor is already running"):(null==CTATSkillSet.skills&&(CTATSkillSet.skills=new CTATSkillSet),window.onerror=function(a,g,f){var d=new CTATHTMLManager;ctatdebug(d.htmlEncode(a)+" in "+g+", line "+f);ctatdebug(d.htmlEncode(a)+" in "+g+", line "+f)},centerTutorContainer(),CTATTutor.initialize(),CTATGlobals.tutorRunning=!0,ctatdebug("runTutor () ... all set"))};var idleTime=0;
+CTATTutor.setIdleTimeout=function(){setInterval(CTATTutor.timerIncrement,6E4);$(document).mousemove(function(a){idleTime=0});$(document).keypress(function(a){idleTime=0})};
+CTATTutor.timerIncrement=function(){if(!(0>idleTime)){var a=1140,g=CTATConfiguration.get("session_timeout");if(g&&!isNaN(g))a=parseInt(g)+60;else if(!CTATLMS.identifier||0>parseInt(CTATLMS.identifier))a=1E20;idleTime+=60;idleTime>a&&(idleTime=-1,CTATScrim.scrim.OKScrimUp("The tutor timed out due to inactivity, click 'Ok' to reload the page.",function(){window.location.reload()}))}};
+CTATTutor.initTutor=function(a,g,f,d){ctatdebug("initTutor() #aFlashVars "+(a?a.length:null)+", usingFlash "+d);if(1==CTATTutor.tutorInitialized)ctatdebug("Tutor already initialized, probably in author mode"),"undefined"!=typeof a&&a.previewMode&&(CTATScrim.scrim.scrimDown(),ctatdebug("In preview mode..."));else{CTATConfiguration.generateDefaultConfigurationObject(a,"undefined"==typeof CTATTarget?void 0:CTATTarget);switch(CTATConfiguration.get("show_debug_traces")){case "true":case "basic":useDebuggingBasic=
+!0;break;case "on":case "full":useDebugging=!0;break;case "false":case "off":useDebuggingBasic=useDebugging=!1;break;default:useDebuggingBasic=!0}null==d&&(d=CTATConfiguration.usingFlash());d&&CTATScrim.scrim.scrimDown();CTATCommLibrary.setAuthenticityToken(CTATConfiguration.get("authenticity_token"));g&&(ctatcontainer=g);(a=document.getElementById(ctatcontainer))&&a.classList.add("CTATTutorContainer");a=getSafeElementById("debugtraces");null!==a&&(useDebugging=!0===a.checked?!0:!1);ctatdebug("initTutor() CTATConfiguration.get('mode')="+
+CTATConfiguration.get("mode")+", window.sendToTutor="+window.sendToTutor);CTATConfiguration.get("swf_name")&&!window.sendToTutor&&(window.sendToTutor=function(a){ctatdebug("window.sendToTutor("+a+") CTAT.ToolTutor.tutor "+CTAT.ToolTutor.tutor);return CTAT.ToolTutor.tutor?CTAT.ToolTutor.tutor.receiveFromInterface(a):CTAT.ToolTutor.tutorMessages.push(a)},window.registerInterface=function(a){CTAT.ToolTutor.registerInterfaceMessageHandler(a)});"javascript"==String(CTATConfiguration.get("tutoring_service_communication")).toLowerCase()&&
+("undefined"!=typeof CTATExampleTracer&&CTATExampleTracer?CTAT.ToolTutor.registerTutor(new CTATExampleTracer):CTATScrim.scrim.warningScrimUp('Tutoring service communication parameter is "JavaScript" but class\nCTATExampleTracer is missing. Use a different ctat-*.js script.'));ctatdebug("initTutor ()");"applet"==CTATConfiguration.get("tutoring_service_communication")&&deployJava.runApplet({id:"TSApplet",width:150,height:10},{jnlp_href:"/ctat_applet/TSApplet.jnlp"},"1.6");d||CTATTutor.runTutor();CTATTutor.setIdleTimeout();
+CTATTutor.tutorInitialized=!0}};window.hasOwnProperty("initTutor")||(window.initTutor=CTATTutor.initTutor);function receiveFromTutor(){ctatdebug("receiveFromTutor ()")}function saveAndQuit(){ctatdebug("saveAndQuit ()")}function prepTutorArea(){initTutor()}window.prepTutorArea=prepTutorArea;function assignAnonymousGradingProcessor(a){CTATCommShell.commShell.assignAnonymousGradingProcessor(a)}
+function gradeAnonymousComponent(a,g,f){ctatdebug("gradeAnonymousComponent ()");a=new CTATSAI(a,g,f);CTATCommShell.commShell.processComponentAction(a)}function testTutor(a){ctatdebug("testTutor ()");window.onerror=function(a,f,d){var c=new CTATHTMLManager;ctatdebug(c.htmlEncode(a)+" in "+f+", line "+d)};null==CTATSkillSet.skills&&(CTATSkillSet.skills=new CTATSkillSet);(new CTATCommLibrary).send("http://augustus.pslc.cs.cmu.edu/crossdomain.xml")}
+function centerTutorContainer(){ctatdebug("centerTutorContainer ()");var a=getSafeElementById(ctatcontainer);if(null==a)ctatdebug("Tutor container not found, bump");else{var g;if(flashVars){g=flashVars.getRawFlashVars();var f,d;f=a.offsetWidth;d=a.offsetHeight;g&&g.width&&g.height&&(ctatdebug("We have raw width and height variables in our flashvars: "+g.width+","+g.height),f=g.width,d=g.height);g.centerTutor?1==g.centerTutor&&(ctatdebug("Moving tutor over by: "+("-"+Number(f/2)+"px 0 0 -"+Number(d/
 2)+"px;")),a.style.position="absolute",a.style.top="0",a.style.left="0",a.style.right="0",a.style.bottom="0",a.style.margin="auto"):ctatdebug("The tutor is not configured to center the container, bump")}else ctatdebug("No flashvars yet, bump")}}
-function checkTutorCanvas(){ctatdebug("checkTutorCanvas ()");var a=getSafeElementById(ctatcontainer),b=getSafeElementById("main-canvas"),e=flashVars.getRawFlashVars(),g="550",d="450";a&&(ctatdebug("Recording the actual CSS width and height: "+a.offsetWidth+" , "+a.offsetHeight),g=a.offsetWidth,d=a.offsetHeight);e&&e.width&&e.height&&(ctatdebug("We have tutor size flashvars, using those instead: "+e.width+" , "+e.height),g=e.width,d=e.height);null===b?(ctatdebug("No canvas available, creating ..."),
-b=document.createElement("canvas"),b.id="main-canvas",b.innerHTML="Your browser does not support CTAT. Please update or use another browser.",ctatdebug("Setting canvas to: 0,0,"+g+" , "+d),getSafeElementById(ctatcontainer).appendChild(b)):(ctatdebug("Setting canvas to: 0 , 0, "+g+" , "+d),b.style.top="0",b.style.left="0");b.style.width=g+"px";b.style.height=d+"px";return b};(function(a){function b(){var a=arguments[0],c=b.cache;c[a]&&c.hasOwnProperty(a)||(c[a]=b.parse(a));return b.format.call(null,c[a],arguments)}function e(a){return Object.prototype.toString.call(a).slice(8,-1).toLowerCase()}var g=/[^s]/,d=/[def]/,c=/^[^\x25]+/,f=/^\x25{2}/,h=/^\x25(?:([1-9]\d*)\$|\(([^\)]+)\))?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-fosuxX])/,m=/^([a-z_][a-z_\d]*)/i,l=/^\.([a-z_][a-z_\d]*)/i,q=/^\[(\d+)\]/,p=/^[\+\-]/;b.format=function(a,c){var f=1,h=a.length,l,m=[],r,q,u,w,C=!0,
-E="";for(r=0;r<h;r++)if(l=e(a[r]),"string"===l)m[m.length]=a[r];else if("array"===l){u=a[r];if(u[2])for(l=c[f],q=0;q<u[2].length;q++){if(!l.hasOwnProperty(u[2][q]))throw Error(b("[sprintf] property '%s' does not exist",u[2][q]));l=l[u[2][q]]}else l=u[1]?c[u[1]]:c[f++];"function"==e(l)&&(l=l());if(g.test(u[8])&&"number"!=e(l)&&isNaN(l))throw new TypeError(b("[sprintf] expecting number but found %s",e(l)));d.test(u[8])&&(C=0<=l);switch(u[8]){case "b":l=l.toString(2);break;case "c":l=String.fromCharCode(l);
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-"";m[m.length]=u[5]?E+l+w:0==q?E+w+l:w+E+l}return m.join("")};b.cache={};b.parse=function(a){for(var b,d=[],e=0;a;){if(null!==(b=c.exec(a)))d[d.length]=b[0];else if(null!==(b=f.exec(a)))d[d.length]="%";else if(null!==(b=h.exec(a))){if(b[2]){var e=e|1,g=[],r=b[2],p;if(null!==(p=m.exec(r)))for(g[g.length]=p[1];""!==(r=r.substring(p[0].length));)if(null!==(p=l.exec(r)))g[g.length]=p[1];else if(null!==(p=q.exec(r)))g[g.length]=p[1];else throw new SyntaxError("[sprintf] failed to parse named argument key");
-else throw new SyntaxError("[sprintf] failed to parse named argument key");b[2]=g}else e|=2;if(3===e)throw Error("[sprintf] mixing positional and named placeholders is not (yet) supported");d[d.length]=b}else throw new SyntaxError("[sprintf] unexpected placeholder");a=a.substring(b[0].length)}return d};var u=function(a,c,d){d=(c||[]).slice(0);d.splice(0,0,a);return b.apply(null,d)};"undefined"!==typeof exports?(exports.sprintf=b,exports.vsprintf=u):(a.sprintf=b,a.vsprintf=u,"function"===typeof define&&
-define.amd&&define(function(){return{sprintf:b,vsprintf:u}}))})("undefined"===typeof window?this:window);var CTATHintPolicyEnum=function(){};Object.defineProperty(CTATHintPolicyEnum,"HINTS_UNBIASED",{enumerable:!0,configurable:!1,writable:!1,value:"Always Follow Best Path"});Object.defineProperty(CTATHintPolicyEnum,"HINTS_BIASED_BY_CURRENT_SELECTION_ONLY",{enumerable:!0,configurable:!1,writable:!1,value:"Bias Hints by Current Selection Only"});Object.defineProperty(CTATHintPolicyEnum,"HINTS_BIASED_BY_PRIOR_ERROR_ONLY",{enumerable:!0,configurable:!1,writable:!1,value:"Bias Hints by Prior Error Only"});
+function checkTutorCanvas(){ctatdebug("checkTutorCanvas ()");var a=getSafeElementById(ctatcontainer),g=getSafeElementById("main-canvas"),f=flashVars.getRawFlashVars(),d="550",c="450";a&&(ctatdebug("Recording the actual CSS width and height: "+a.offsetWidth+" , "+a.offsetHeight),d=a.offsetWidth,c=a.offsetHeight);f&&f.width&&f.height&&(ctatdebug("We have tutor size flashvars, using those instead: "+f.width+" , "+f.height),d=f.width,c=f.height);null===g?(ctatdebug("No canvas available, creating ..."),
+g=document.createElement("canvas"),g.id="main-canvas",g.innerHTML="Your browser does not support CTAT. Please update or use another browser.",ctatdebug("Setting canvas to: 0,0,"+d+" , "+c),getSafeElementById(ctatcontainer).appendChild(g)):(ctatdebug("Setting canvas to: 0 , 0, "+d+" , "+c),g.style.top="0",g.style.left="0");g.style.width=d+"px";g.style.height=c+"px";return g};(function(a){function g(){var b=arguments[0],a=g.cache;a[b]&&a.hasOwnProperty(b)||(a[b]=g.parse(b));return g.format.call(null,a[b],arguments)}function f(b){return Object.prototype.toString.call(b).slice(8,-1).toLowerCase()}var d=/[^s]/,c=/[def]/,b=/^[^\x25]+/,e=/^\x25{2}/,h=/^\x25(?:([1-9]\d*)\$|\(([^\)]+)\))?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-fosuxX])/,l=/^([a-z_][a-z_\d]*)/i,m=/^\.([a-z_][a-z_\d]*)/i,n=/^\[(\d+)\]/,p=/^[\+\-]/;g.format=function(b,a){var e=1,h=b.length,m,l=[],n,q,v,u,F=!0,
+H="";for(n=0;n<h;n++)if(m=f(b[n]),"string"===m)l[l.length]=b[n];else if("array"===m){v=b[n];if(v[2])for(m=a[e],q=0;q<v[2].length;q++){if(!m.hasOwnProperty(v[2][q]))throw Error(g("[sprintf] property '%s' does not exist",v[2][q]));m=m[v[2][q]]}else m=v[1]?a[v[1]]:a[e++];"function"==f(m)&&(m=m());if(d.test(v[8])&&"number"!=f(m)&&isNaN(m))throw new TypeError(g("[sprintf] expecting number but found %s",f(m)));c.test(v[8])&&(F=0<=m);switch(v[8]){case "b":m=m.toString(2);break;case "c":m=String.fromCharCode(m);
+break;case "d":m=parseInt(m,10);break;case "e":m=v[7]?m.toExponential(v[7]):m.toExponential();break;case "f":m=v[7]?parseFloat(m).toFixed(v[7]):parseFloat(m);break;case "o":m=m.toString(8);break;case "s":m=(m=String(m))&&v[7]?m.substring(0,v[7]):m;break;case "u":m>>>=0;break;case "x":m=m.toString(16);break;case "X":m=m.toString(16).toUpperCase()}if(!F||c.test(v[8])&&v[3])H=F?"+":"-",m=m.toString().replace(p,"");q=v[4]?"0"==v[4]?"0":v[4].charAt(1):" ";u=v[6]-(H+m).length;u=v[6]?Array(u+1).join(q):
+"";l[l.length]=v[5]?H+m+u:0==q?H+u+m:u+H+m}return l.join("")};g.cache={};g.parse=function(a){for(var c,d=[],f=0;a;){if(null!==(c=b.exec(a)))d[d.length]=c[0];else if(null!==(c=e.exec(a)))d[d.length]="%";else if(null!==(c=h.exec(a))){if(c[2]){var f=f|1,g=[],p=c[2],q;if(null!==(q=l.exec(p)))for(g[g.length]=q[1];""!==(p=p.substring(q[0].length));)if(null!==(q=m.exec(p)))g[g.length]=q[1];else if(null!==(q=n.exec(p)))g[g.length]=q[1];else throw new SyntaxError("[sprintf] failed to parse named argument key");
+else throw new SyntaxError("[sprintf] failed to parse named argument key");c[2]=g}else f|=2;if(3===f)throw Error("[sprintf] mixing positional and named placeholders is not (yet) supported");d[d.length]=c}else throw new SyntaxError("[sprintf] unexpected placeholder");a=a.substring(c[0].length)}return d};var v=function(b,a,c){c=(a||[]).slice(0);c.splice(0,0,b);return g.apply(null,c)};"undefined"!==typeof exports?(exports.sprintf=g,exports.vsprintf=v):(a.sprintf=g,a.vsprintf=v,"function"===typeof define&&
+define.amd&&define(function(){return{sprintf:g,vsprintf:v}}))})("undefined"===typeof window?this:window);var CTATNoolsTracerUtil=function(){var a={},g=/^(?:[a-z]+:\/)?\//i;this.setTypes=function(f,d){console.log("setTypes()");d.forEach(function(c){a[c]=f.getDefined(c);a[c]?console.log("set type "+c):console.log("couldn't get "+c)})};this.getFactType=function(f){var d=typeof f;if("object"===d)if(d=null,f instanceof Array)d="Array";else if(f instanceof RegExp)d="RegExp";else if(f instanceof Date)d="Date";else for(t in a)if(a.hasOwnProperty(t)&&a[t]===f.constructor){d=t;break}return d};this.getTypeConstructor=
+function(f){return a[f]};this.relativeToAbsolute=function(a,d){if(this.isAbsoluteURL(a))return a;d=d||window.location.origin+window.location.pathname;var c=d.split("/"),b=a.split("/");c.pop();for(var e=0;e<b.length;e++)"."!=b[e]&&(".."==b[e]?c.pop():c.push(b[e]));return c.join("/")};this.isAbsoluteURL=function(a){return g.test(a)};this.buildStartStateMsg=function(){var a=0,d=new CTATTutoringServiceMessageBuilder;return function(c){return d.createInterfaceActionMessage(a++,new CTATSAI(c.selection,
+c.action,c.input))}}();this.buildStateGraphMsg=function(a){var d="<message><verb>SendNoteProperty</verb><properties><MessageType>StateGraph</MessageType>",c;for(c in a)a.hasOwnProperty(c)&&(d+="<"+c+">"+a[c]+"</"+c+">");return d+"</properties></message>"};this.printAgenda=function(a){return JSON.stringify(a.getAgenda())};this.printConflictTree=function(a,d){return a.getConflictTree().toString(d)};this.printFact=function(a,d,c){var b=a.getFact(d),e="";if(b){c&&(e="id: "+d+", ");var e=e+("type: "+a.getFactType(b.object)+
+", "),f;try{f="values: "+JSON.stringify(b.object)}catch(l){f="< Error converting fact to JSON >"}e+=f}else e="no fact found with ID "+d;return e};this.getFacts=function(a,d){var c=[];if(Array.isArray(d)){for(var b=$jscomp.makeIterator(d),e=b.next();!e.done;e=b.next())type=e.value,c=c.concat(this.getFacts(a,type));return c}if(Number.isInteger(d))return this.getFact(a,d);c=a.getFacts(d,!0);d||(c=c.filter(function(b){b=a.getFactType(b.object);return!("hint"===b||"tpa"===b||"customfield"===b||"skill"===
+b)}));return c.map(function(b){return b.object})};this.getFact=function(a,d){var c=null,b;"number"===typeof d?(c=a.getFact(d))&&(c=c.object):d&&"string"!==typeof d||(b=this.getFacts(a,d))&&(c=b[0]);return c};this.printFacts=function(a,d){var c=d,b="";if(Array.isArray(c)){for(var c=$jscomp.makeIterator(c),e=c.next();!e.done;e=c.next())d=e.value,b+=Number.isInteger(d)?this.printFact(a,d,!0):this.printFacts(a,d),b+="\n";return b}if(Number.isInteger(d))return this.printFact(a,d);c=a.getFacts(d,!0);d||
+(c=c.filter(function(b){b=a.getFactType(b.object);return!("hint"===b||"tpa"===b||"customfield"===b||"skill"===b)}));b="got "+c.length+(d?" "+d:"")+" fact(s):\n";c.forEach(function(c){b+="id: "+c.id+", "+(d?"":"type: "+a.getFactType(c.object)+", ");var e;try{e="values: "+JSON.stringify(c.object)+"\n"}catch(m){e="< Error converting fact to JSON >\n"}b+=e});return b};this.printRules=function(a,d){var c=a.getRuleNames();d&&(c=c.filter(function(b){return b.toLowerCase().includes(d)}));return c.join(", ")};
+this.printCtNodeMatch=function(a,d){var c=a.getNodeMatcherResult(d),b,e;c&&"no match"!==c?(b=c.student,e=c.tutor,c="rule: "+c.rule+"\nstudent: "+b.selection+", "+b.action+", "+b.input+"\ntutor:   "+e.selection+", "+e.action+", "+e.input+"\nresult: "+(c.isMatch?"match":"no match")):c="no match"===c?"No match found at node "+d:"No conflict tree node found for ID "+d;return c};this.printRuleNodes=function(){function a(a){var b={};a.facts.forEach(function(c,d){var e;for(d=0;!e&&d<a.aliases.length;d++)a.factHash[a.aliases[d]]===
+c.object&&(e=a.aliases[d]);e?b[e]=c:console.warn("no alias found for "+JSON.stringify(c))});return b}function d(c,b){var e={},d="NotNode"===b.nodeType||"FromNotNode"===b.nodeType;switch(b.nodeType){case "BetaNode":case "NotNode":case "ExistsNode":var f=b.rightMemory,g,n=[],p;for(p in f)g=f[p].data.match,n.push(a(g));e.factBindings=n;break;case "JoinNode":var n=b.leftMemory,v,q=[];for(f in n)for(g in v=n[f].data.rightMatches,v)p=v[g].match,q.push(a(p));e.factBindings=q;break;case "FromNode":case "FromNotNode":f=
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+function setTracerLogFlags(a){var g=[],f=[];(a instanceof Array?a:Array.prototype.slice.call(arguments)).forEach(function(a){CTATNoolsTracerLogger.set(a)?g.push(a):f.push(a)});g.length&&CTATNoolsTracerLogger.log("override","set flags: "+g.join(","));f.length&&CTATNoolsTracerLogger.log("override","Error - invalid flag(s): "+f.join(","))}
+function getTracerLogFlags(){var a=CTATNoolsTracerLogger.getFlags(),g=[],f=[],d;for(d in a)a[d]?g.push(d):f.push(d);CTATNoolsTracerLogger.log("override","set: "+g.join(",")+"\nunset: "+f.join(","))}function unsetTracerLogFlag(a){CTATNoolsTracerLogger.unset(a)}function unsetTracerLogFlags(a){(a instanceof Array?a:Array.prototype.slice.call(arguments)).forEach(function(a){unsetTracerLogFlag(a)})}function printAgenda(){globalTracerRef.printAgenda()}
+function printConflictTree(a){globalTracerRef.printConflictTree(a)}function printPregenTrees(a){globalTracerRef.printPregenTrees(a)}function printFact(a){globalTracerRef.printFact(a)}function getFact(a){return globalTracerRef.getFact(a)}function printFacts(a){globalTracerRef.printFacts(a)}function getFacts(a){return globalTracerRef.getFacts(a)}function printRules(a){globalTracerRef.printRules(a)}function printMatch(a){globalTracerRef.printMatch(a)}
+function whyNot(a){globalTracerRef.printRuleNodes(a)}function setStepperMode(a){globalTracerRef.setStepperMode(a)}function takeSteps(a,g){globalTracerRef.takeSteps(a,g)}function setBreakpoint(a,g){globalTracerRef.setBreakpoint(a,g)}function printBreakpoints(){globalTracerRef.printBreakpoints()}function resume(){globalTracerRef.resume()}function getProblemStateStatus(){return globalTracerRef.getProblemStateStatus()};var CTATRuleTracer=function(a,g){function f(a,c,e,f){var g=f.msg,h=f.sai,n=new CTATSAI(h.selection,h.action,h.input),p=a.getStudentSAI(),q=f.customFields,v=""+h.selection+(h.selection&&h.action?" ":"")+h.action+"";l("debug","ruleTracer.handleResult, result = "+e+"\n\ttutorSAI = "+JSON.stringify(h)+"\n\tmsg = "+g+"\n\tassociated rules = "+f.rules+"\n\tassociated skills = "+f.skills+"\n\tstep ID = "+v+"\n\ttpas = "+f.tpas+"\n\tcustom fields = "+JSON.stringify(q)+"\n\thalted = "+f.halted);0<CTATNoolsTracerLogger.getNFlagsSet()&&
+l("override","------ end of trace ------\n");a.setStepID(v);a.setTutorSAI(m.getProblemAttribute("substitute_input")?n:p);a.setSuccessOrBuggyMsg(g);a.setAssociatedRules(f.rules);a.setAssociatedSkills(f.skills);a.setCustomFields(q);switch(e){case "correct":a.setResult(CTATExampleTracerLink.CORRECT_ACTION);a.setTraceOutcome(CTATExampleTracerLink.CORRECT_ACTION);break;case "bug":d(a,p,!0);break;case "no_model":d(a,p,!1)}2===f.halted&&f.tpas.forEach(function(a){b(a)});c()}function d(b,a,c){a.getSelection().includes("done")&&
+"ButtonPressed"===a.getAction()&&b.setDoneStepFailed(!0);c?(b.setResult(CTATExampleTracerLink.BUGGY_ACTION),b.setTraceOutcome(CTATExampleTracerLink.BUGGY_ACTION)):(b.setResult(CTATExampleTracerLink.NO_MODEL),b.setTraceOutcome(CTATExampleTracerLink.NO_MODEL))}function c(b,a,c){var e=c.hints.map(function(b){return b.msg}),d=c.rules,f=c.skills;c=c.sai;b.getStudentSAI();var g=""+c.selection+(c.selection&&c.action?" ":"")+c.action+"";l("debug","ruleTracer.handleHintResult,\n\ttutorSAI = "+JSON.stringify(c)+
+"\n\tassociated rules = "+d+"\n\tassociated skills = "+f+"\n\tstep ID = "+g+"\n\thints = "+JSON.stringify(e));b.setTutorSAI(new CTATSAI(c.selection,c.action,c.input));b.setResult(CTATExampleTracerLink.HINT_ACTION);b.setTraceOutcome(e.length?CTATExampleTracerLink.HINT_ACTION:CTATExampleTracerLink.NO_MODEL);b.setReportableHints(e);b.setActor(CTATMsgType.DEFAULT_STUDENT_ACTOR);b.setStepID(g);b.setAssociatedSkills(f);b.setAssociatedRules(d);a(b,b.getTransactionID())}function b(b){h&&h.addTPAToMessageTank(b.selection,
+b.action,b.input,"tutor-performed")}function e(b){return{selection:b.getSelection()||"",action:b.getAction()||"",input:b.getInput()||""}}var h=g,l=CTATNoolsTracerLogger.log,m=null,n=null,p=this;this.getEngine=function(){return m};this.initEngine=function(c,e,d){switch(a){case "nools":m=new CTATNoolsTracer(l,b,h)}var f=function(b,a){console.log("CTATRuleTracer.doneInit");var c=m.getSkills();if(!CTATConfiguration.get("skills"))if(CTATSkillSet.skills){l("debug","skills not defined in flashVars, using model definitions");
+var d=[];for(skillName in c){var f=c[skillName];CTATSkillSet.skills.addSkillAsObject(f);d.push(new CTATExampleTracerSkill(f.category,f.name,f.pGuess,f.level,f.pSlip,f.pLearn,null))}h.getProblemSummary().setSkills(new CTATSkills(d));CTATCommShell.commShell.updateSkillWindow(null)}else l("debug","CTATSkillSet.skills not defined, skipping initSkills");e(b,a)};m&&m.init(c,f,d)};this.getModelInitialized=function(){return m&&m.getInitialized()};this.getProblemStateStatus=function(){return h.getOutputStatus()};
+this.setListener=function(b,a){m.setListener(b,a)};this.evaluate=function(b,a){var c=e(b.getStudentSAI()),d=f.bind(p,b,a),c=m.evaluate.bind(m,c,d,"tutored_action");if(m.getIAmPregenerating())m.setDonePregenCallback(c);else return c()};this.doHint=function(b,a,d){b.setTransactionID(a);return m.evaluate(e(b.getStudentSAI()),c.bind(this,b,d),"hint")};this.handleUntutoredAction=function(b){l("debug","ruleTracer.handleUntutoredAction( "+JSON.stringify(b)+" )");m.evaluate({selection:b.selection[0],action:b.action[0],
+input:b.input[0]},null,"untutored_action")};this.checkOutOfOrder=function(b,a){var c;m.getProblemAttribute("hint_out_of_order")?(c=e(b.getStudentSAI()),c=!m.getTutorSAIs()[c.selection]):c=!1;a(c)};this.setDefaultBuggyMsg=function(b){b&&"string"===typeof b&&(n=b)};this.getDefaultBuggyMsg=function(){return n};this.reset=function(b){m.reset(b)}};var CTATHintPolicyEnum=function(){};Object.defineProperty(CTATHintPolicyEnum,"HINTS_UNBIASED",{enumerable:!0,configurable:!1,writable:!1,value:"Always Follow Best Path"});Object.defineProperty(CTATHintPolicyEnum,"HINTS_BIASED_BY_CURRENT_SELECTION_ONLY",{enumerable:!0,configurable:!1,writable:!1,value:"Bias Hints by Current Selection Only"});Object.defineProperty(CTATHintPolicyEnum,"HINTS_BIASED_BY_PRIOR_ERROR_ONLY",{enumerable:!0,configurable:!1,writable:!1,value:"Bias Hints by Prior Error Only"});
 Object.defineProperty(CTATHintPolicyEnum,"HINTS_BIASED_BY_ALL",{enumerable:!0,configurable:!1,writable:!1,value:"Use Both Kinds of Bias"});Object.defineProperty(CTATHintPolicyEnum,"DEFAULT",{enumerable:!0,configurable:!1,writable:!1,value:CTATHintPolicyEnum.HINTS_BIASED_BY_ALL});CTATHintPolicyEnum.prototype=Object.create(Object.prototype);CTATHintPolicyEnum.prototype.constructor=CTATHintPolicyEnum;
-CTATHintPolicyEnum.lookup=function(a){for(policy in CTATHintPolicyEnum)if(CTATHintPolicyEnum[policy]==a)return CTATHintPolicyEnum[policy];return CTATHintPolicyEnum.DEFAULT};"undefined"!==typeof module&&(module.exports=CTATHintPolicyEnum);var CTATMsgType=function(){CTATBase.call(this,"CTATMsgType","")};CTATMsgType.findProperty=function(a,b){var e=a.toLowerCase(),g="<"+b.toLowerCase()+">",d=e.indexOf(g)+g.length,e=e.indexOf("</"+b.toLowerCase()+">");if(d<g.length||0>e)return null;g={};g.start=d;g.end=e;return g};
-CTATMsgType.makeValues=function(a){if(null==a)return"";if("string"==typeof a)return a;if(a.constructor&&"Array"==a.constructor.name){if(!a.length)return"";for(var b=0,e,g="<value>"+(null==(e=a[b++])?"":e.toString());b<a.length;)g+="</value><value>"+(null==(e=a[b++])?"":e.toString());return g+"</value>"}return a.outerHTML?a.outerHTML:a.toString()};
-CTATMsgType.setProperty=function(a,b,e){var g=CTATMsgType.findProperty(a,b),d;g?(d=a.slice(0,g.start),d+=CTATMsgType.makeValues(e),d+=a.slice(g.end,a.length)):(g=a.indexOf("</properties>"),d=a.slice(0,g),d+="<"+b+">"+CTATMsgType.makeValues(e)+"</"+b+">",d+=a.slice(g,a.length));return d};CTATMsgType.getProperty=function(a,b){var e=CTATMsgType.findProperty(a,b);return e?a.slice(e.start,e.end):""};
-CTATMsgType.valueToArray=function(a){if(!a.startsWith("<value>"))return null;var b=a.substring(7);if(!a.endsWith("</value>"))return null;b=b.substring(0,b.length-8);b=b.split("</value><value>");ctatdebug("valueToArray("+a+") returns "+b);return b};CTATMsgType.getValue=function(a,b){var e=CTATMsgType.valueToArray(a);return!e||e.length<=b?null:e[b]};CTATMsgType.getMessageType=function(a){return CTATMsgType.getProperty(a,"MessageType")};
-CTATMsgType.getTransactionID=function(a){return CTATMsgType.getProperty(a,CTATMessage.TRANSACTION_ID_TAG)};CTATMsgType.setTransactionID=function(a,b){return CTATMsgType.setProperty(a,CTATMessage.TRANSACTION_ID_TAG,b)};CTATMsgType.isCorrectOrIncorrect=function(a){return"string"==typeof a?CTATMsgType.CorrectTypes[a.toLowerCase()]?!0:!1:!1};CTATMsgType.hasTextFeedback=function(a){return"string"==typeof a?CTATMsgType.TextFeedbackTypes[a.toLowerCase()]?!0:!1:!1};
-CTATMsgType.isHintResponse=function(a){return"string"==typeof a?CTATMsgType.HintResponseTypes[a.toLowerCase()]?!0:!1:!1};CTATMsgType.isDoneMessage=function(a){var b=CTATMsgType.getProperty(a,"Selection");a=CTATMsgType.getProperty(a,"Action");if(!b||!a)return!1;b=b.toString().toLowerCase();a=a.toString().toLowerCase();var e=CTATMsgType.DONE.toLowerCase();if(e!=b&&e!=CTATMsgType.getValue(b,0))return!1;b=CTATMsgType.BUTTON_PRESSED.toLowerCase();return b!=a&&b!=CTATMsgType.getValue(a,0)?!1:!0};
-CTATMsgType.getSAIArraysFromElement=function(a,b){for(var e={selection:[],action:[],input:[]},g=b.getElementChildren(a),d=0;d<g.length;d++){var c=g[d];switch(b.getElementName(c)){case "Selection":for(var c=b.getElementChildren(c),f=0;f<c.length;f++)e.selection.push(b.getNodeTextValue(c[f]));break;case "Action":c=b.getElementChildren(c);for(f=0;f<c.length;f++)e.action.push(b.getNodeTextValue(c[f]));break;case "Input":c=b.getElementChildren(c);for(f=0;f<c.length;f++)e.input.push(b.getNodeTextValue(c[f]));
-break;case "properties":return CTATMsgType.getSAIArraysFromElement(c,b)}}return e};Object.defineProperty(CTATMsgType,"CorrectTypes",{enumerable:!1,configurable:!1,writable:!1,value:{correctaction:1,incorrectaction:1,lispcheckaction:1}});Object.defineProperty(CTATMsgType,"TextFeedbackTypes",{enumerable:!1,configurable:!1,writable:!1,value:{showhintsmessage:1,successmessage:1,buggymessage:1,wrongusermessage:1,nohintmessage:1,highlightmsg:1,showhintsmessagefromlisp:1}});
+CTATHintPolicyEnum.lookup=function(a){for(policy in CTATHintPolicyEnum)if(CTATHintPolicyEnum[policy]==a)return CTATHintPolicyEnum[policy];return CTATHintPolicyEnum.DEFAULT};"undefined"!==typeof module&&(module.exports=CTATHintPolicyEnum);var CTATMsgType=function(){CTATBase.call(this,"CTATMsgType","")};CTATMsgType.findProperty=function(a,g){var f=a.toLowerCase(),d="<"+g.toLowerCase()+">",c=f.indexOf(d)+d.length,f=f.indexOf("</"+g.toLowerCase()+">");if(c<d.length||0>f)return null;d={};d.start=c;d.end=f;return d};
+CTATMsgType.makeValues=function(a){if(null==a)return"";if("string"==typeof a)return a;if(a.constructor&&"Array"==a.constructor.name){if(!a.length)return"";for(var g=0,f,d="<value>"+(null==(f=a[g++])?"":f.toString());g<a.length;)d+="</value><value>"+(null==(f=a[g++])?"":f.toString());return d+"</value>"}return a.outerHTML?a.outerHTML:a.toString()};
+CTATMsgType.setProperty=function(a,g,f){var d=CTATMsgType.findProperty(a,g),c;d?(c=a.slice(0,d.start),c+=CTATMsgType.makeValues(f),c+=a.slice(d.end,a.length)):(d=a.indexOf("</properties>"),c=a.slice(0,d),c+="<"+g+">"+CTATMsgType.makeValues(f)+"</"+g+">",c+=a.slice(d,a.length));return c};CTATMsgType.getProperty=function(a,g){var f=CTATMsgType.findProperty(a,g);return f?a.slice(f.start,f.end):""};
+CTATMsgType.valueToArray=function(a){if(!a.startsWith("<value>"))return null;var g=a.substring(7);if(!a.endsWith("</value>"))return null;g=g.substring(0,g.length-8);g=g.split("</value><value>");ctatdebug("valueToArray("+a+") returns "+g);return g};CTATMsgType.getValue=function(a,g){var f=CTATMsgType.valueToArray(a);return!f||f.length<=g?null:f[g]};CTATMsgType.getMessageType=function(a){return CTATMsgType.getProperty(a,"MessageType")};
+CTATMsgType.getTransactionID=function(a){return CTATMsgType.getProperty(a,CTATMessage.TRANSACTION_ID_TAG)};CTATMsgType.setTransactionID=function(a,g){return CTATMsgType.setProperty(a,CTATMessage.TRANSACTION_ID_TAG,g)};CTATMsgType.isCorrectOrIncorrect=function(a){return"string"==typeof a?CTATMsgType.CorrectTypes[a.toLowerCase()]?!0:!1:!1};CTATMsgType.hasTextFeedback=function(a){return"string"==typeof a?CTATMsgType.TextFeedbackTypes[a.toLowerCase()]?!0:!1:!1};
+CTATMsgType.isHintResponse=function(a){return"string"==typeof a?CTATMsgType.HintResponseTypes[a.toLowerCase()]?!0:!1:!1};CTATMsgType.isDoneMessage=function(a){var g=CTATMsgType.getProperty(a,"Selection");a=CTATMsgType.getProperty(a,"Action");if(!g||!a)return!1;g=g.toString().toLowerCase();a=a.toString().toLowerCase();var f=CTATMsgType.DONE.toLowerCase();if(f!=g&&f!=CTATMsgType.getValue(g,0))return!1;g=CTATMsgType.BUTTON_PRESSED.toLowerCase();return g!=a&&g!=CTATMsgType.getValue(a,0)?!1:!0};
+CTATMsgType.getSAIArraysFromElement=function(a,g){for(var f={selection:[],action:[],input:[]},d=g.getElementChildren(a),c=0;c<d.length;c++){var b=d[c];switch(g.getElementName(b)){case "Selection":for(var b=g.getElementChildren(b),e=0;e<b.length;e++)f.selection.push(g.getNodeTextValue(b[e]));break;case "Action":b=g.getElementChildren(b);for(e=0;e<b.length;e++)f.action.push(g.getNodeTextValue(b[e]));break;case "Input":b=g.getElementChildren(b);for(e=0;e<b.length;e++)f.input.push(g.getNodeTextValue(b[e]));
+break;case "properties":return CTATMsgType.getSAIArraysFromElement(b,g)}}return f};Object.defineProperty(CTATMsgType,"CorrectTypes",{enumerable:!1,configurable:!1,writable:!1,value:{correctaction:1,incorrectaction:1,lispcheckaction:1}});Object.defineProperty(CTATMsgType,"TextFeedbackTypes",{enumerable:!1,configurable:!1,writable:!1,value:{showhintsmessage:1,successmessage:1,buggymessage:1,wrongusermessage:1,nohintmessage:1,highlightmsg:1,showhintsmessagefromlisp:1}});
 Object.defineProperty(CTATMsgType,"HintResponseTypes",{enumerable:!1,configurable:!1,writable:!1,value:{showhintsmessage:1,nohintmessage:1,showhintsmessagefromlisp:1}});Object.defineProperty(CTATMsgType,"BUGGY_MSG",{enumerable:!1,configurable:!1,writable:!1,value:"BuggyMsg"});Object.defineProperty(CTATMsgType,"DONE",{enumerable:!1,configurable:!1,writable:!1,value:"Done"});Object.defineProperty(CTATMsgType,"BUTTON_PRESSED",{enumerable:!1,configurable:!1,writable:!1,value:"ButtonPressed"});
 Object.defineProperty(CTATMsgType,"DEFAULT_STUDENT_ACTOR",{enumerable:!1,configurable:!1,writable:!1,value:"Student"});Object.defineProperty(CTATMsgType,"DEFAULT_TOOL_ACTOR",{enumerable:!1,configurable:!1,writable:!1,value:"Tutor"});Object.defineProperty(CTATMsgType,"UNGRADED_TOOL_ACTOR",{enumerable:!1,configurable:!1,writable:!1,value:"Tutor (unevaluated)"});Object.defineProperty(CTATMsgType,"DEFAULT_ACTOR",{enumerable:!1,configurable:!1,writable:!1,value:CTATMsgType.DEFAULT_STUDENT_ACTOR});
 Object.defineProperty(CTATMsgType,"ANY_ACTOR",{enumerable:!1,configurable:!1,writable:!1,value:"Any"});Object.defineProperty(CTATMsgType,"SHOW_ALL_FEEDBACK",{enumerable:!1,configurable:!1,writable:!1,value:"Show All Feedback"});Object.defineProperty(CTATMsgType,"DELAY_FEEDBACK",{enumerable:!1,configurable:!1,writable:!1,value:"Delay Feedback"});Object.defineProperty(CTATMsgType,"HIDE_ALL_FEEDBACK",{enumerable:!1,configurable:!1,writable:!1,value:"Hide All Feedback"});
 Object.defineProperty(CTATMsgType,"HIDE_BUT_COMPLETE",{enumerable:!1,configurable:!1,writable:!1,value:"Hide feedback but require all steps"});Object.defineProperty(CTATMsgType,"HIDE_BUT_ENFORCE",{enumerable:!1,configurable:!1,writable:!1,value:"Hide feedback but enforce constraints"});Object.defineProperty(CTATMsgType,"DEFAULT_OUT_OF_ORDER_MESSAGE",{enumerable:!1,configurable:!1,writable:!1,value:CTATLanguageManager.theSingleton.filterString("HIGHLIGHTEDSTEP")});
-Object.defineProperty(CTATMsgType,"NOT_DONE_MSG",{enumerable:!1,configurable:!1,writable:!1,value:CTATLanguageManager.theSingleton.filterString("NOTDONE")});Object.defineProperty(CTATMsgType,"PREVIOUS_FOCUS",{enumerable:!1,configurable:!1,writable:!1,value:"PreviousFocus"});Object.defineProperty(CTATMsgType,"ASSOCIATED_RULES",{enumerable:!1,configurable:!1,writable:!1,value:"AssociatedRules"});Object.defineProperty(CTATMsgType,"BEGIN_RESTORE",{enumerable:!1,configurable:!1,writable:!1,value:"BeginRestore"});
-Object.defineProperty(CTATMsgType,"BEGIN_GO_TO_STATE",{enumerable:!1,configurable:!1,writable:!1,value:"BeginGoToState"});Object.defineProperty(CTATMsgType,"END_GO_TO_STATE",{enumerable:!1,configurable:!1,writable:!1,value:"EndGoToState"});Object.defineProperty(CTATMsgType,"BUGGY_MESSAGE",{enumerable:!1,configurable:!1,writable:!1,value:"BuggyMessage"});Object.defineProperty(CTATMsgType,"CORRECT_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"CorrectAction"});
-Object.defineProperty(CTATMsgType,"HINT_REQUEST",{enumerable:!1,configurable:!1,writable:!1,value:"HintRequest"});Object.defineProperty(CTATMsgType,"INCORRECT_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"InCorrectAction"});Object.defineProperty(CTATMsgType,"INTERFACE_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"InterfaceAction"});Object.defineProperty(CTATMsgType,"INTERFACE_IDENTIFICATION",{enumerable:!1,configurable:!1,writable:!1,value:"InterfaceIdentification"});
-Object.defineProperty(CTATMsgType,"PROBLEM_RESTORE_END",{enumerable:!1,configurable:!1,writable:!1,value:"ProblemRestoreEnd"});Object.defineProperty(CTATMsgType,"PROBLEM_SUMMARY_REQUEST",{enumerable:!1,configurable:!1,writable:!1,value:"ProblemSummaryRequest"});Object.defineProperty(CTATMsgType,"PROBLEM_SUMMARY_RESPONSE",{enumerable:!1,configurable:!1,writable:!1,value:"ProblemSummaryResponse"});Object.defineProperty(CTATMsgType,"SET_PREFERENCES",{enumerable:!1,configurable:!1,writable:!1,value:"SetPreferences"});
-Object.defineProperty(CTATMsgType,"SHOW_HINTS_MESSAGE",{enumerable:!1,configurable:!1,writable:!1,value:"ShowHintsMessage"});Object.defineProperty(CTATMsgType,"SUCCESS_MESSAGE",{enumerable:!1,configurable:!1,writable:!1,value:"SuccessMessage"});Object.defineProperty(CTATMsgType,"START_STATE_END",{enumerable:!1,configurable:!1,writable:!1,value:"StartStateEnd"});Object.defineProperty(CTATMsgType,"STATE_GRAPH",{enumerable:!1,configurable:!1,writable:!1,value:"StateGraph"});
-Object.defineProperty(CTATMsgType,"UNTUTORED_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"UntutoredAction"});Object.defineProperty(CTATMsgType,"GO_TO_STATE",{enumerable:!1,configurable:!1,writable:!1,value:"GoToState"});Object.defineProperty(CTATMsgType,"INTERFACE_REBOOT",{enumerable:!1,configurable:!1,writable:!1,value:"InterfaceReboot"});Object.defineProperty(CTATMsgType,"CompletionValue",{enumerable:!1,configurable:!1,writable:!1,value:["incomplete","complete"]});
-CTATMsgType.prototype=Object.create(CTATBase.prototype);CTATMsgType.prototype.constructor=CTATMsgType;"undefined"!==typeof module&&(module.exports=CTATMsgType);var CTATVersionComparator=function(){CTATBase.call(this,"CTATVersionComparator","");this.compare=function(a,b){if(null===a||"undefined"===typeof a)return null===b||"undefined"===typeof b?0:-1;if(null===b||"undefined"===typeof b)return 1;var e=0,g=a.split("."),d=b.split("."),c;for(c=0;c<Math.min(g.length,d.length);c++)try{var f=parseInt(g[c]),h=parseInt(d[c]),e=f<h?-1:f>h?1:0;if(0!==e)return e}catch(m){if(e=g[c].toString()<d[c].toString()?-1:g[c].toString()>d[c].toString()?1:0,0!==e)return e}return c<
-g.length?1:c<d.length?-1:a.toString()<b.toString()?-1:a.toString()>b.toString()?1:0}};CTATVersionComparator.prototype=Object.create(CTATBase.prototype);CTATVersionComparator.prototype.constructor=CTATVersionComparator;CTATVersionComparator.vc=new CTATVersionComparator;"undefined"!==typeof module&&(module.exports=CTATVersionComparator);var CTATExampleTracerSkill=function(a,b,e,g,d,c,f){CTATBase.call(this,"CTATExampleTracerSkill",b);var h=null==a||""==a.trim()?b:b+" "+a,m=Number(e);Number.isNaN(m)&&(m=CTATExampleTracerSkill.DEFAULT_P_GUESS);var l=Number(g);Number.isNaN(l)&&(l=CTATExampleTracerSkill.DEFAULT_P_KNOWN);var q=Number(c);Number.isNaN(q)&&(q=CTATExampleTracerSkill.DEFAULT_P_LEARN);var p=Number(d);Number.isNaN(p)&&(p=CTATExampleTracerSkill.DEFAULT_P_SLIP);var u=/^0*[xX]([0-9a-fA-F]+)$/.test(f)?parseInt(f,16):/^(\-|\+)?[0-9]+$/.test(f)?
-parseInt(f,10):CTATExampleTracerSkill.DEFAULT_HISTORY,r=0,w=0,n=CTATExampleTracerSkill.SKILL_BAR_DELIMITER_v2_11,B=CTATExampleTracerSkill.DEFAULT_MASTERY_THRESHOLD,v=null,y=null,A=this;this.getSkillName=function(){return h};this.getCategory=function(){var a=h.indexOf(" ");return 0>a?"":h.substring(a+1)};this.setTransactionNumber=function(a){r=a};this.updatePKnown=function(a){return l=CTATExampleTracerSkill.updatePKnownStatic(a,m,l,p,q)};this.updateHistory=function(a){return u=CTATExampleTracerSkill.updateHistoryStatic(a,
-u)};this.changeOpportunityCount=function(a){return w+=a};this.getTransactionNumber=function(){return r};this.getSkillBarString=function(a){var b=this.getSkillName(),b=b+this.getSkillBarDelimiter()+l,b=b+this.getSkillBarDelimiter()+(this.hasReachedMastery()?"1":"0");!0===a&&(b=b+this.getSkillBarDelimiter()+this.getLabel());return b.toString()};this.getSkillBarDelimiter=function(){return n};this.toXML=function(a){var b;b=""+(' name="'+CTATExampleTracerSkill.getName(h)+'"');b+=' category="'+A.getCategory()+
-'"';b+=' label="'+A.getLabel()+'"';b+=' description="'+A.getDescription()+'"';b+=' pKnown="'+Number(l).toFixed(2)+'"';b+=' pLearn="'+Number(q).toFixed(2)+'"';b+=' pGuess="'+Number(m).toFixed(2)+'"';b+=' pSlip="'+Number(p).toFixed(2)+'"';b+=' history="'+u+'"';b+=' opportunityCount="'+w+'"';return a?"&lt;Skill"+b+" /&gt;":"<Skill"+b+" />"};this.getPKnown=function(){return l};this.getPLearn=function(){return q};this.getPGuess=function(){return m};this.getPSlip=function(){return p};this.getHistory=function(){return u};
-this.getOpportunityCount=function(){return w};this.hasReachedMastery=function(){return null===l||"undefined"===typeof l?!1:l>=B};this.getLabel=function(){return!v||1>v.length?CTATExampleTracerSkill.getName(h):v};this.getDescription=function(){return!y||1>y.length?h:y};this.setVersion=function(a){null!==a&&"undefined"!==typeof a&&0<a.length&&(n=CTATExampleTracerSkill.versionToSkillBarDelimiter(a))};this.setLabel=function(a){v=a};this.setDescription=function(a){y=a};CTATExampleTracerSkill.makeStepID=
-function(a,b){for(var c="",d=0,f=a;2>d++;f=b)if(!(null===f||"undefined"===typeof f||1>f.length)){for(var e=!1,g=0;g<f.length;g++)if(null!==f[g]&&"undefined"!==typeof f[g]){var l=f[g].toString();1>l.length||f===a&&("hint".toString().toUpperCase()===l.toString().toUpperCase()||"help".toString().toUpperCase()===l.toString().toUpperCase())||f===b&&CTATMsgType.PREVIOUS_FOCUS.toString().toUpperCase()===l.toString().toUpperCase()||(c=c+(e?",":"[")+l,e=!0)}!0===e&&(c+="]")}return c.toString()};CTATExampleTracerSkill.updateHistoryStatic=
-function(a,b){var c,d=1<<CTATExampleTracerSkill.MAX_INTEGER_SHIFT;c=b<<1|(a.toString().toUpperCase()===CTATExampleTracerSkill.CORRECT.toString().toUpperCase()?1:0);return c&d?c^d:c};CTATExampleTracerSkill.updatePKnownStatic=function(a,b,c,d,f){var e=0;if(a.toString().toUpperCase()===CTATExampleTracerSkill.CORRECT.toString().toUpperCase())b=+(b*(1-c)).toFixed(2),c=+(c*(1-d)).toFixed(2),e=+(c/(c+b)).toFixed(2);else if(a.toString().toUpperCase()===CTATExampleTracerSkill.INCORRECT.toString().toUpperCase()||
-a.toString().toUpperCase()===CTATExampleTracerSkill.HINT.toString().toUpperCase())d=+(c*d).toFixed(2),c=+((1-c)*(1-b)).toFixed(2),e=+(d/(d+c)).toFixed(2);return+(e+f*(1-e)).toFixed(2)};CTATExampleTracerSkill.getName=function(a){var b=a.indexOf(" ");return 0>b?a:a.substring(0,b)};CTATExampleTracerSkill.versionToSkillBarDelimiter=function(a){return null===a||"undefined"===typeof a?CTATExampleTracerSkill.SKILL_BAR_DELIMITER_v2_10:0<=CTATVersionComparator.vc.compare(a,"2.11")?CTATExampleTracerSkill.SKILL_BAR_DELIMITER_v2_11:
-CTATExampleTracerSkill.SKILL_BAR_DELIMITER_v2_10}};Object.defineProperty(CTATExampleTracerSkill,"MAX_INTEGER_SHIFT",{enumerable:!1,configurable:!1,writable:!1,value:31});Object.defineProperty(CTATExampleTracerSkill,"HINT",{enumerable:!1,configurable:!1,writable:!1,value:"hint"});Object.defineProperty(CTATExampleTracerSkill,"CORRECT",{enumerable:!1,configurable:!1,writable:!1,value:"correct"});Object.defineProperty(CTATExampleTracerSkill,"INCORRECT",{enumerable:!1,configurable:!1,writable:!1,value:"incorrect"});
+Object.defineProperty(CTATMsgType,"NOT_DONE_MSG",{enumerable:!1,configurable:!1,writable:!1,value:CTATLanguageManager.theSingleton.filterString("NOTDONE")});Object.defineProperty(CTATMsgType,"TRACE_OUTCOME",{enumerable:!1,configurable:!1,writable:!1,value:"TraceOutcome"});Object.defineProperty(CTATMsgType,"PREVIOUS_FOCUS",{enumerable:!1,configurable:!1,writable:!1,value:"PreviousFocus"});Object.defineProperty(CTATMsgType,"ASSOCIATED_RULES",{enumerable:!1,configurable:!1,writable:!1,value:"AssociatedRules"});
+Object.defineProperty(CTATMsgType,"BEGIN_RESTORE",{enumerable:!1,configurable:!1,writable:!1,value:"BeginRestore"});Object.defineProperty(CTATMsgType,"BEGIN_GO_TO_STATE",{enumerable:!1,configurable:!1,writable:!1,value:"BeginGoToState"});Object.defineProperty(CTATMsgType,"END_GO_TO_STATE",{enumerable:!1,configurable:!1,writable:!1,value:"EndGoToState"});Object.defineProperty(CTATMsgType,"BUGGY_MESSAGE",{enumerable:!1,configurable:!1,writable:!1,value:"BuggyMessage"});
+Object.defineProperty(CTATMsgType,"CORRECT_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"CorrectAction"});Object.defineProperty(CTATMsgType,"HINT_REQUEST",{enumerable:!1,configurable:!1,writable:!1,value:"HintRequest"});Object.defineProperty(CTATMsgType,"INCORRECT_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"InCorrectAction"});Object.defineProperty(CTATMsgType,"INTERFACE_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"InterfaceAction"});
+Object.defineProperty(CTATMsgType,"INTERFACE_IDENTIFICATION",{enumerable:!1,configurable:!1,writable:!1,value:"InterfaceIdentification"});Object.defineProperty(CTATMsgType,"PROBLEM_RESTORE_END",{enumerable:!1,configurable:!1,writable:!1,value:"ProblemRestoreEnd"});Object.defineProperty(CTATMsgType,"PROBLEM_SUMMARY_REQUEST",{enumerable:!1,configurable:!1,writable:!1,value:"ProblemSummaryRequest"});
+Object.defineProperty(CTATMsgType,"PROBLEM_SUMMARY_RESPONSE",{enumerable:!1,configurable:!1,writable:!1,value:"ProblemSummaryResponse"});Object.defineProperty(CTATMsgType,"SET_PREFERENCES",{enumerable:!1,configurable:!1,writable:!1,value:"SetPreferences"});Object.defineProperty(CTATMsgType,"SHOW_HINTS_MESSAGE",{enumerable:!1,configurable:!1,writable:!1,value:"ShowHintsMessage"});Object.defineProperty(CTATMsgType,"SUCCESS_MESSAGE",{enumerable:!1,configurable:!1,writable:!1,value:"SuccessMessage"});
+Object.defineProperty(CTATMsgType,"START_STATE_END",{enumerable:!1,configurable:!1,writable:!1,value:"StartStateEnd"});Object.defineProperty(CTATMsgType,"STATE_GRAPH",{enumerable:!1,configurable:!1,writable:!1,value:"StateGraph"});Object.defineProperty(CTATMsgType,"UNTUTORED_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"UntutoredAction"});Object.defineProperty(CTATMsgType,"GO_TO_STATE",{enumerable:!1,configurable:!1,writable:!1,value:"GoToState"});
+Object.defineProperty(CTATMsgType,"INTERFACE_REBOOT",{enumerable:!1,configurable:!1,writable:!1,value:"InterfaceReboot"});Object.defineProperty(CTATMsgType,"CompletionValue",{enumerable:!1,configurable:!1,writable:!1,value:["incomplete","complete"]});CTATMsgType.prototype=Object.create(CTATBase.prototype);CTATMsgType.prototype.constructor=CTATMsgType;"undefined"!==typeof module&&(module.exports=CTATMsgType);var CTATVersionComparator=function(){CTATBase.call(this,"CTATVersionComparator","");this.compare=function(a,g){if(null===a||"undefined"===typeof a)return null===g||"undefined"===typeof g?0:-1;if(null===g||"undefined"===typeof g)return 1;var f=0,d=a.split("."),c=g.split("."),b;for(b=0;b<Math.min(d.length,c.length);b++)try{var e=parseInt(d[b]),h=parseInt(c[b]),f=e<h?-1:e>h?1:0;if(0!==f)return f}catch(l){if(f=d[b].toString()<c[b].toString()?-1:d[b].toString()>c[b].toString()?1:0,0!==f)return f}return b<
+d.length?1:b<c.length?-1:a.toString()<g.toString()?-1:a.toString()>g.toString()?1:0}};CTATVersionComparator.prototype=Object.create(CTATBase.prototype);CTATVersionComparator.prototype.constructor=CTATVersionComparator;CTATVersionComparator.vc=new CTATVersionComparator;"undefined"!==typeof module&&(module.exports=CTATVersionComparator);var CTATExampleTracerSkill=function(a,g,f,d,c,b,e){CTATBase.call(this,"CTATExampleTracerSkill",g);var h=null==a||""==a.trim()?g:g+" "+a,l=Number(f);Number.isNaN(l)&&(l=CTATExampleTracerSkill.DEFAULT_P_GUESS);var m=Number(d);Number.isNaN(m)&&(m=CTATExampleTracerSkill.DEFAULT_P_KNOWN);var n=Number(b);Number.isNaN(n)&&(n=CTATExampleTracerSkill.DEFAULT_P_LEARN);var p=Number(c);Number.isNaN(p)&&(p=CTATExampleTracerSkill.DEFAULT_P_SLIP);var v=/^0*[xX]([0-9a-fA-F]+)$/.test(e)?parseInt(e,16):/^(\-|\+)?[0-9]+$/.test(e)?
+parseInt(e,10):CTATExampleTracerSkill.DEFAULT_HISTORY,q=0,u=0,w=CTATExampleTracerSkill.SKILL_BAR_DELIMITER_v2_11,B=CTATExampleTracerSkill.DEFAULT_MASTERY_THRESHOLD,y=null,C=null,A=this;this.getSkillName=function(){return h};this.getCategory=function(){var b=h.indexOf(" ");return 0>b?"":h.substring(b+1)};this.setTransactionNumber=function(b){q=b};this.updatePKnown=function(b){return m=CTATExampleTracerSkill.updatePKnownStatic(b,l,m,p,n)};this.updateHistory=function(b){return v=CTATExampleTracerSkill.updateHistoryStatic(b,
+v)};this.changeOpportunityCount=function(b){return u+=b};this.getTransactionNumber=function(){return q};this.getSkillBarString=function(b){var a=this.getSkillName(),a=a+this.getSkillBarDelimiter()+m,a=a+this.getSkillBarDelimiter()+(this.hasReachedMastery()?"1":"0");!0===b&&(a=a+this.getSkillBarDelimiter()+this.getLabel());return a.toString()};this.getSkillBarDelimiter=function(){return w};this.toXML=function(b){var a;a=""+(' name="'+CTATExampleTracerSkill.getName(h)+'"');a+=' category="'+A.getCategory()+
+'"';a+=' label="'+A.getLabel()+'"';a+=' description="'+A.getDescription()+'"';a+=' pKnown="'+Number(m).toString()+'"';a+=' pLearn="'+Number(n).toString()+'"';a+=' pGuess="'+Number(l).toString()+'"';a+=' pSlip="'+Number(p).toString()+'"';a+=' history="'+v+'"';a+=' opportunityCount="'+u+'"';return b?"&lt;Skill"+a+" /&gt;":"<Skill"+a+" />"};this.getPKnown=function(){return m};this.getPLearn=function(){return n};this.getPGuess=function(){return l};this.getPSlip=function(){return p};this.getHistory=function(){return v};
+this.getOpportunityCount=function(){return u};this.hasReachedMastery=function(){return null===m||"undefined"===typeof m?!1:m>=B};this.getLabel=function(){return!y||1>y.length?CTATExampleTracerSkill.getName(h):y};this.getDescription=function(){return!C||1>C.length?h:C};this.setVersion=function(b){null!==b&&"undefined"!==typeof b&&0<b.length&&(w=CTATExampleTracerSkill.versionToSkillBarDelimiter(b))};this.setLabel=function(b){y=b};this.setDescription=function(b){C=b};CTATExampleTracerSkill.makeStepID=
+function(b,a){for(var c="",e=0,d=b;2>e++;d=a)if(!(null===d||"undefined"===typeof d||1>d.length)){for(var f=!1,g=0;g<d.length;g++)if(null!==d[g]&&"undefined"!==typeof d[g]){var h=d[g].toString();1>h.length||d===b&&("hint".toString().toUpperCase()===h.toString().toUpperCase()||"help".toString().toUpperCase()===h.toString().toUpperCase())||d===a&&CTATMsgType.PREVIOUS_FOCUS.toString().toUpperCase()===h.toString().toUpperCase()||(c=c+(f?",":"[")+h,f=!0)}!0===f&&(c+="]")}return c.toString()};CTATExampleTracerSkill.updateHistoryStatic=
+function(b,a){var c,e=1<<CTATExampleTracerSkill.MAX_INTEGER_SHIFT;c=a<<1|(b.toString().toUpperCase()===CTATExampleTracerSkill.CORRECT.toString().toUpperCase()?1:0);return c&e?c^e:c};CTATExampleTracerSkill.updatePKnownStatic=function(b,a,c,e,d){var f=0;if(b.toString().toUpperCase()===CTATExampleTracerSkill.CORRECT.toString().toUpperCase())b=+(c*(1-e)),f=+(b/(b+ +(a*(1-c))));else if(b.toString().toUpperCase()===CTATExampleTracerSkill.INCORRECT.toString().toUpperCase()||b.toString().toUpperCase()===
+CTATExampleTracerSkill.HINT.toString().toUpperCase())b=+(c*e),f=+(b/(b+ +((1-c)*(1-a))));return+(f+d*(1-f))};CTATExampleTracerSkill.getName=function(b){var a=b.indexOf(" ");return 0>a?b:b.substring(0,a)};CTATExampleTracerSkill.versionToSkillBarDelimiter=function(b){return null===b||"undefined"===typeof b?CTATExampleTracerSkill.SKILL_BAR_DELIMITER_v2_10:0<=CTATVersionComparator.vc.compare(b,"2.11")?CTATExampleTracerSkill.SKILL_BAR_DELIMITER_v2_11:CTATExampleTracerSkill.SKILL_BAR_DELIMITER_v2_10}};
+Object.defineProperty(CTATExampleTracerSkill,"MAX_INTEGER_SHIFT",{enumerable:!1,configurable:!1,writable:!1,value:31});Object.defineProperty(CTATExampleTracerSkill,"HINT",{enumerable:!1,configurable:!1,writable:!1,value:"hint"});Object.defineProperty(CTATExampleTracerSkill,"CORRECT",{enumerable:!1,configurable:!1,writable:!1,value:"correct"});Object.defineProperty(CTATExampleTracerSkill,"INCORRECT",{enumerable:!1,configurable:!1,writable:!1,value:"incorrect"});
 Object.defineProperty(CTATExampleTracerSkill,"SKILL_BAR_DELIMITER_v2_10",{enumerable:!1,configurable:!1,writable:!1,value:"="});Object.defineProperty(CTATExampleTracerSkill,"SKILL_BAR_DELIMITER_v2_11",{enumerable:!1,configurable:!1,writable:!1,value:"`"});Object.defineProperty(CTATExampleTracerSkill,"DEFAULT_MASTERY_THRESHOLD",{enumerable:!1,configurable:!1,writable:!1,value:.95});Object.defineProperty(CTATExampleTracerSkill,"DEFAULT_P_GUESS",{enumerable:!1,configurable:!1,writable:!1,value:.2});
 Object.defineProperty(CTATExampleTracerSkill,"DEFAULT_P_KNOWN",{enumerable:!1,configurable:!1,writable:!1,value:.3});Object.defineProperty(CTATExampleTracerSkill,"DEFAULT_P_SLIP",{enumerable:!1,configurable:!1,writable:!1,value:.3});Object.defineProperty(CTATExampleTracerSkill,"DEFAULT_P_LEARN",{enumerable:!1,configurable:!1,writable:!1,value:.15});Object.defineProperty(CTATExampleTracerSkill,"DEFAULT_HISTORY",{enumerable:!1,configurable:!1,writable:!1,value:0});CTATExampleTracerSkill.prototype=Object.create(CTATBase.prototype);
-CTATExampleTracerSkill.prototype.constructor=CTATExampleTracerSkill;"undefined"!==typeof module&&(module.exports=CTATExampleTracerSkill);var CTATVariableTableCount=0,CTATVariableTable=function(){function a(b){var d={},c;for(c in b)!0===b.hasOwnProperty(c)&&(d[c]="object"!==typeof b[c]?b[c]:a(b[c]));return d}CTATBase.call(this,"CTATVariableTable","");CTATVariableTableCount++;var b={},e=this;this.toString=function(){var a="",d;for(d in b)0<a.length&&(a+=", "),a=a+d+"="+b[d];return"{ "+a+" }"};this.clone=function(){ctatdebug("CTATVariableTable --\x3e in clone; this "+this+", this.getTable() "+this.getTable);var e=new CTATVariableTable;
-ctatdebug("CTATVariableTable --\x3e in clone; copy "+e+", copy.setTable() "+e.setTable);e.setTable(a(b));ctatdebug("CTATVariableTable --\x3e out of clone");return e};this.put=function(a,d){e.ctatdebug("CTATVariableTable.put("+a+", "+d+") typeof value "+typeof d);var c;if(a)if(0>a.indexOf("."))b[a]=d;else{var f=a.split(".");if("object"!==typeof b[f[0]]||null===b[f[0]])b[f[0]]={};c=b[f[0]];for(var g=1;g<f.length-1;g++)if("object"!==typeof c[f[g]]||null===c[f[g]])c[f[g]]={},c=c[f[g]];c[f[g]]=d}else console.log("CTATVariableTable.put() warning: null or empty variable name '"+
-a+"'");return e};this.getTable=function(){return b};this.setTable=function(a){b=a};this.get=function(a){if(0>a.indexOf("."))return null===b[a]||"undefined"===typeof b[a]?null:b[a];var d=a.split(".");if(null===b[d[0]]||"undefined"===typeof b[d[0]])return null;a=b[d[0]];for(var c=1;c<d.length-1;c++){if(null===a[d[c]]||"undefined"===typeof a[d[c]])return null;a=a[d[c]]}return null===a[d[c]]||"undefined"===typeof a[d[c]]?null:a[d[c]]}};
-Object.defineProperty(CTATVariableTable,"serialVersionUID",{enumerable:!1,configurable:!1,writable:!1,value:"201403071830L"});CTATVariableTable.standardizeType=function(a){if("string"!=typeof a||1>a.trim().length)return a;if((!0).toString()==a)return!0;if((!1).toString()==a)return!1;if("null"==a)return null;var b=Number(a);return isNaN(b)?a:b};CTATVariableTable.valueAsString=function(a){return"string"==typeof a?a:String(a)};CTATVariableTable.nameAsString=function(a){return a?a+"_String":null};
-CTATVariableTable.prototype=Object.create(CTATBase.prototype);CTATVariableTable.prototype.constructor=CTATVariableTable;"undefined"!==typeof module&&(module.exports=CTATVariableTable);var CTATMatcher=function(a,b,e){CTATBase.call(this,"CTATMatcher","");this.lastResult=null;var g=new CTATSAI("","",""),d=e,c=CTATMsgType.DEFAULT_ACTOR,f=!1,h=this;this.resetMatcher=function(){};this.getSelection=function(){return h.getDefaultSelection()};this.getAction=function(){return h.getDefaultAction()};this.getInput=function(){return h.getDefaultInput()};this.getActor=function(){return c};this.setCaseInsensitive=function(a){d=a};this.getEvaluatedInput=function(a,b){return h.getInput()};this.getTraversalIncrement=
-function(){return 1};this.getTutorSAI=function(a,b,c){a=String(c).toLowerCase()==CTATExampleTracerLink.CORRECT_ACTION.toLowerCase()?a:h.getDefaultSAI();console.log("CTATMatcher.getTutorSAI() superclass method called, should be subclass;\n  returning: "+a);return a};this.getDefaultSelection=function(){return h.getDefaultSAI().getSelection()};this.getDefaultAction=function(){return h.getDefaultSAI().getAction()};this.getDefaultInput=function(){return h.getDefaultSAI().getInput()};this.getDefaultSAI=
-function(){return g};this.setDefaultSAI=function(a){g=a};this.getDefaultActor=function(){switch(String(getActor()).toLowerCase()){case CTATMsgType.DEFAULT_STUDENT_ACTOR.toLowerCase():return CTATMsgType.DEFAULT_STUDENT_ACTOR;case CTATMsgType.DEFAULT_TOOL_ACTOR.toLowerCase():return CTATMsgType.DEFAULT_TOOL_ACTOR;case CTATMsgType.UNGRADED_TOOL_ACTOR.toLowerCase():return CTATMsgType.DEFAULT_TOOL_ACTOR;case CTATMsgType.ANY_ACTOR.toLowerCase():return CTATMsgType.DEFAULT_TOOL_ACTOR;default:return console.log("CTATMatcher.getDefaultActor() unexpected value for actor: "+
-c+"; returning "+CTATMsgType.DEFAULT_ACTOR),CTATMsgType.DEFAULT_ACTOR}};this.getInput=function(){return h.getDefaultInput()};this.getCaseInsensitive=function(){return d};this.match=function(a,b,c,d,f){console.log("CTATMatcher superclass method called: match("+a+", "+b+", "+c+", "+d+")");return!1};this.matchForHint=function(a,b,c,d){console.log("CTATMatcher superclass method called: matchForHint("+a+", "+b+", "+c+", vt)");return!1};this.matchActor=function(a){a=String(a).toUpperCase();var b=String(h.getActor()).toUpperCase();
-ctatdebug("CTATMatcher.matchActor("+a+") myActor is "+b);return CTATMsgType.ANY_ACTOR.toString().toUpperCase()==b||CTATMsgType.UNGRADED_TOOL_ACTOR.toString().toUpperCase()==b&&CTATMsgType.DEFAULT_TOOL_ACTOR.toString().toUpperCase()==a||CTATMsgType.UNGRADED_TOOL_ACTOR.toString().toUpperCase()==a&&CTATMsgType.DEFAULT_TOOL_ACTOR.toString().toUpperCase()==b?!0:b==a};this.getDefaultSelectionArray=function(){return h.getDefaultSAI().getSelectionArray()};this.getDefaultActionArray=function(){return h.getDefaultSAI().getActionArray()};
-this.getDefaultInputArray=function(){return h.getDefaultSAI().getInputArray()};this.getLastResult=function(){return null===h.lastResult||"undefined"===typeof h.lastResult?"":h.lastResult.toString()};this.setActor=function(a){ctatdebug("CTATMatcher --\x3e in setActor("+a+")");if(null===a||"undefined"===typeof a)a=CTATMsgType.DEFAULT_ACTOR;a=String(a).toLowerCase().trim();c="tool"==a?CTATMsgType.DEFAULT_TOOL_ACTOR:a==CTATMsgType.DEFAULT_STUDENT_ACTOR.toLowerCase()?CTATMsgType.DEFAULT_STUDENT_ACTOR:
-a==CTATMsgType.DEFAULT_TOOL_ACTOR.toLowerCase()?CTATMsgType.DEFAULT_TOOL_ACTOR:a==CTATMsgType.UNGRADED_TOOL_ACTOR.toLowerCase()?CTATMsgType.UNGRADED_TOOL_ACTOR:a==CTATMsgType.ANY_ACTOR.toLowerCase()?CTATMsgType.ANY_ACTOR:CTATMsgType.DEFAULT_ACTOR};this.array2ConcatString=function(a){var b="";if(null==a)return b;if(!Array.isArray(a))return a.toString();a.forEach(function(a){null!=a&&(b+=a.toString()+"\n")});return b.substring(0,0<b.length?b.length-1:0)};this.matchConcatenation=function(a){return h.matchSingle(h.array2ConcatString(a))};
-this.isLinkTriggered=function(){return f};this.setLinkTriggered=function(a){f=a};this.evaluateReplacement=function(a,b,c){return""};this.replaceInput=function(){return!!h.getReplacementFormula()};this.getReplacementFormula=function(){return""}};CTATMatcher.prototype.toString=function(){console.log("Error: CTATMatcher.toString() called; should be overridden in subclass");return"This is CTATMatcher."};CTATMatcher.prototype.setParameter=function(a,b,e){};
-CTATMatcher.isTutorActor=function(a,b){return CTATMsgType.DEFAULT_TOOL_ACTOR.toUpperCase()===a.toUpperCase()||CTATMsgType.UNGRADED_TOOL_ACTOR.toUpperCase()===a.toUpperCase()||b&&CTATMsgType.ANY_ACTOR.toUpperCase()===a.toUpperCase()?!0:!1};Object.defineProperty(CTATMatcher,"NON_SINGLE",{enumerable:!1,configurable:!1,writable:!1,value:-1});Object.defineProperty(CTATMatcher,"SELECTION",{enumerable:!1,configurable:!1,writable:!1,value:0});
-Object.defineProperty(CTATMatcher,"ACTION",{enumerable:!1,configurable:!1,writable:!1,value:1});Object.defineProperty(CTATMatcher,"INPUT",{enumerable:!1,configurable:!1,writable:!1,value:2});Object.defineProperty(CTATMatcher,"VECTOR",{enumerable:!1,configurable:!1,writable:!1,value:3});Object.defineProperty(CTATMatcher,"ACTOR",{enumerable:!1,configurable:!1,writable:!1,value:"Actor"});CTATMatcher.prototype=Object.create(CTATBase.prototype);CTATMatcher.prototype.constructor=CTATMatcher;
-"undefined"!==typeof module&&(module.exports=CTATMatcher);var CTATTreeNode={};
-(function(){var a;a=function(){function a(){}a.operators=[["CONST"],["VAR"],["EXP","SQRT"],["UPLUS","UMINUS"],["ITIMES","TIMES","DIVIDE"],["IDIVIDE","REM"],["PLUS","MINUS"],"LESS LESSEQUAL EQUAL NOTEQUAL GREATEREQUAL GREATER".split(" ")];a.relationalOperators="LESS LESSEQUAL EQUAL NOTEQUAL GREATEREQUAL GREATER".split(" ");a.operatorPrecedence=function(a,b){return Math.sign(this.operators.findIndex(function(b){return b.includes(a)})-this.operators.findIndex(function(a){return a.includes(b)}))};a.operatorStrings=
-{EXP:"^",SQRT:"|",UPLUS:"+",UMINUS:"-",ITIMES:"",TIMES:"*",DIVIDE:"/",IDIVIDE:"//",REM:"%",PLUS:"+",MINUS:"-",LESS:"<",LESSEQUAL:"<=",EQUAL:"=",NOTEQUAL:"!=",GREATEREQUAL:">=",GREATER:">"};a.toOperatorString=function(a){return this.operatorStrings[a]||""};a.diff=function(a,b){return a.filter(function(a){return!b.includes(a)})};a.prototype.addParens=function(){this.parens++;return this};a.prototype.toString=function(a){var b,d;this.negated()&&this.setParens("MINUS");this.inverted()&&this.setParens("DIVIDE");
-this.inverted()&&(a="1/"+a);this.negated()&&(a="-"+a);b=0;for(d=this.parens;0<=d?b<d:b>d;0<=d?++b:--b)a="("+a+")";return a};a.prototype.setParens=function(b,g){var d;null==g&&(g=!1);d=this.negated()?"UMINUS":this.inverted()?"DIVIDE":this.operator;d=a.operatorPrecedence(b,d);if(0>d||0===d&&g)this.parens=1;return this};a.prototype.evaluate=function(a){return this.sign*Math.pow(a,this.exp)};a.prototype.equals=function(a){return a&&this.operator===a.operator&&this.sign===a.sign&&this.exp===a.exp&&this.parens===
-a.parens};a.prototype.simplify=function(a){this.methods=a;return this.simplifyNode(this.methods)};a.prototype.simplifyNode=function(a){var b,d,c,f;this.methods=a;f=this;c=this.methods;a=0;for(b=c.length;a<b;a++)d=c[a],f=f[d].call(f),f.methods=this.methods;delete f.methods;return f};a.prototype.simpleFlatten=function(){return this};a.prototype.flatten=function(){this.parens=0;return this};a.prototype.computeConstants=function(){return this};a.prototype.combineSimilar=function(){return this};a.prototype.expand=
-function(){return this};a.prototype.distribute=function(){return this};a.prototype.removeIdentity=function(){return this};a.prototype.sort=function(){return this};a.prototype.spreadIdentity=function(){return this};a.prototype.stripIdentity=function(){return this};a.prototype.multiplyOne=function(){return(new CTATMultiplicationNode("TIMES",[new CTATConstantNode(1),this])).popNegation().pushNegation()};a.prototype.powerOne=function(){return(new CTATPowerNode("EXP",this,new CTATConstantNode(1))).popInversion().pushInversion().popNegation()};
-a.prototype.compare=function(b,g){return a.operatorPrecedence(this.operator,b.operator)};a.prototype.compareSigns=function(a,b){return(Math.sign(this.sign-a.sign)||Math.sign(this.exp-a.exp))*b};a.prototype.countVariables=function(){return 0};a.prototype.pushNegation=function(){return this};a.prototype.popNegation=function(){return this};a.prototype.pushInversion=function(){return this};a.prototype.popInversion=function(){return this};a.prototype.negate=function(){this.sign=-this.sign;return this};
-a.prototype.invert=function(){this.exp=-this.exp;return this};a.prototype.addition=function(){return"PLUS"===this.operator};a.prototype.subtraction=function(){return"MINUS"===this.operator};a.prototype.multiplication=function(){return"TIMES"===this.operator};a.prototype.division=function(){return"DIVIDE"===this.operator};a.prototype.intDivision=function(){return"IDIVIDE"===this.operator};a.prototype.power=function(){return"EXP"===this.operator};a.prototype.root=function(){return"SQRT"===this.operator};
-a.prototype.negation=function(){return"UMINUS"===this.operator};a.prototype.constant=function(a){return!1};a.prototype.integer=function(){return!1};a.prototype.negated=function(){return 0>this.sign};a.prototype.inverted=function(){return 0>this.exp};a.prototype.parented=function(){return 0<this.parens};a.prototype.even=function(){return!1};return a}();"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATTreeNode=a}).call(this);var CTATRelationNode={};
-(function(){var a,b=function(a,b){function c(){this.constructor=a}for(var d in b)e.call(b,d)&&(a[d]=b[d]);c.prototype=b.prototype;a.prototype=new c;a.__super__=b.prototype;return a},e={}.hasOwnProperty;a=function(a){function d(a,b,d,e,g,q){this.operator=a;this.left=b;this.right=d;this.parens=null!=e?e:0;this.sign=null!=g?g:1;this.exp=null!=q?q:1}b(d,a);d.prototype.clone=function(){return new d(this.operator,this.left.clone(),this.right.clone(),this.parens,this.sign,this.exp)};d.prototype.toString=
-function(){var a;this.left.setParens(this.operator);this.right.setParens(this.operator);a=CTATTreeNode.toOperatorString(this.operator);return d.__super__.toString.call(this,""+this.left.toString()+a+this.right.toString())};d.prototype.evaluate=function(){var a,b;a=this.left.evaluate();b=this.right.evaluate();switch(this.operator){case "LESS":return a<b;case "GREATER":return a>b;case "LESSEQUAL":return a<=b;case "GREATEREQUAL":return a>=b;case "EQUAL":return a===b;case "NOTEQUAL":return a!==b}};d.prototype.equals=
-function(a){return d.__super__.equals.call(this,a)&&this.left.equals(a.left)&&this.right.equals(a.right)};d.prototype.simplify=function(a){this.methods=a;this.left=this.left.simplify(this.methods);this.right=this.right.simplify(this.methods);return d.__super__.simplify.apply(this,arguments)};d.prototype.computeConstants=function(){return this.left.constant()&&this.right.constant()?new CTATConstantNode(this.evaluate()):this};d.prototype.sort=function(){var a;switch(this.operator){case "GREATER":this.operator=
-"LESS";a=[this.right,this.left];this.left=a[0];this.right=a[1];break;case "GREATEREQUAL":this.operator="LESSEQUAL";a=[this.right,this.left];this.left=a[0];this.right=a[1];break;case "EQUAL":case "NOTEQUAL":0>this.left.compare(this.right)&&(a=[this.right,this.left],this.left=a[0],this.right=a[1])}return this};d.prototype.countVariables=function(){return this.left.countVariables()+this.right.countVariables()};return d}(CTATTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATRelationNode=
-a}).call(this);var CTATAdditionNode={};
-(function(){var a,b=function(a,b){function c(){this.constructor=a}for(var d in b)e.call(b,d)&&(a[d]=b[d]);c.prototype=b.prototype;a.prototype=new c;a.__super__=b.prototype;return a},e={}.hasOwnProperty;a=function(a){function d(a,b,d,e,g){this.operator=a;this.terms=b;this.parens=null!=d?d:0;this.sign=null!=e?e:1;this.exp=null!=g?g:1;this.subtraction()&&this.terms[1].negate();this.operator="PLUS"}b(d,a);d.prototype.clone=function(){return new d(this.operator,this.terms.map(function(a){return a.clone()}),this.parens,
-this.sign,this.exp)};d.prototype.toString=function(){return d.__super__.toString.call(this,this.terms.reduce(function(a){return function(b,c){c.setParens(a.operator);return""+b+(b&&!c.negated()?"+":"")+c.toString()}}(this)))};d.prototype.evaluate=function(){return d.__super__.evaluate.call(this,this.terms.reduce(function(a,b){return a+b.evaluate()},0))};d.prototype.equals=function(a){return d.__super__.equals.call(this,a)&&this.terms.length===a.terms.length&&this.terms.every(function(b,c){return b.equals(a.terms[c])})};
-d.prototype.simplify=function(a){this.methods=a;this.terms=this.terms.map(function(a){return function(b){return b.simplify(a.methods)}}(this));return d.__super__.simplify.apply(this,arguments)};d.prototype.simpleFlatten=function(){this.terms=this.terms.reduce(function(a,b){b.inverted()||b.parented()||!b.addition()?a.push(b):a.push.apply(a,b.pushNegation().terms);return a},[]);return this};d.prototype.flatten=function(){d.__super__.flatten.apply(this,arguments);this.simpleFlatten();return this.pushNegation()};
-d.prototype.computeConstants=function(){var a;a=0;this.terms=this.terms.filter(function(b){return b.constant()?(a+=b.evaluate(),!1):!0});0===a&&0!==this.terms.length||this.terms.unshift(new CTATConstantNode(a));return 1<this.terms.length?this:this.pushInversion().terms[0]};d.prototype.combineSimilar=function(){var a;a=[];this.terms.forEach(function(b){var c,d;d=b.constant()?[null,b]:(b=b.multiplyOne(),[b,b.factors.shift()]);return(c=a.find(function(a){var b;return null!=(b=a[0])?b.equals(d[0]):void 0}))?
-c[1]+=d[1].evaluate():a.push([d[0],d[1].evaluate()])});this.terms=a.reduce(function(a,b){0!==b[1]&&(b[1]=(new CTATConstantNode(b[1])).popNegation(),b[0]?(b[0].factors.unshift(b[1]),a.push(b[0].removeIdentity())):a.push(b[1]));return a},[]);if(1<this.terms.length)return this;1!==this.terms.length&&(this.terms[0]=new CTATConstantNode(0));return this.pushInversion().terms[0]};d.prototype.removeIdentity=function(){var a;a=this.terms.filter(function(a){return!a.constant(0)});this.terms=a.length?a:this.terms.slice(0,
-1);return 1<this.terms.length?this:this.pushInversion().terms[0]};d.prototype.sort=function(){this.spreadIdentity();this.terms=this.terms.sort(function(a,b){return-a.compare(b,!0)});return this.stripIdentity()};d.prototype.spreadIdentity=function(){this.terms=this.terms.map(function(a){return a.multiplyOne()});return this};d.prototype.stripIdentity=function(){this.terms=this.terms.map(function(a){return a.removeIdentity()});return this};d.prototype.compare=function(a,b){var c;return(c=d.__super__.compare.apply(this,
-arguments))||this.countVariables()-a.countVariables()||this.terms.some(function(d,f){return c=d.compare(a.terms[f],b)})&&c||this.compareSigns(a,b)};d.prototype.countVariables=function(){return this.terms.reduce(function(a,b){return a+b.countVariables()},0)};d.prototype.pushNegation=function(){this.negated()&&(this.negate(),this.terms.forEach(function(a){return a.negate()}));return this};d.prototype.popNegation=function(){this.terms[0].negated()&&(this.negate(),this.terms.forEach(function(a){return a.negate()}));
-return this};d.prototype.pushInversion=function(){this.inverted()&&(this.invert(),this.terms[0].invert());return this};d.prototype.even=function(){return!this.inverted&&this.terms.every(function(a){return a.even()})};return d}(CTATTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATAdditionNode=a}).call(this);var CTATMultiplicationNode={};
-(function(){var a,b=function(a,b){function c(){this.constructor=a}for(var d in b)e.call(b,d)&&(a[d]=b[d]);c.prototype=b.prototype;a.prototype=new c;a.__super__=b.prototype;return a},e={}.hasOwnProperty;a=function(a){function d(a,b,d,e,g){this.operator=a;this.factors=b;this.parens=null!=d?d:0;this.sign=null!=e?e:1;this.exp=null!=g?g:1;this.division()&&this.factors[1].invert();this.operator="TIMES"}b(d,a);d.prototype.clone=function(){return new d(this.operator,this.factors.map(function(a){return a.clone()}),this.parens,
-this.sign,this.exp)};d.prototype.toString=function(){return d.__super__.toString.call(this,this.factors.reduce(function(a){return function(b,c){var d;c.setParens(a.operator);d=c.inverted()?(c.invert(),"/"):/^\d/.test(c=c.toString())&&/\d$/.test(b)?"*":"";return""+b+d+c}}(this),this.factors[0].inverted()?"1":""))};d.prototype.evaluate=function(){return d.__super__.evaluate.call(this,this.factors.reduce(function(a,b){return a*b.evaluate()},1))};d.prototype.equals=function(a){return d.__super__.equals.call(this,
-a)&&this.factors.length===a.factors.length&&this.factors.every(function(b,c){return b.equals(a.factors[c])})};d.prototype.simplify=function(a){this.methods=a;this.factors=this.factors.map(function(a){return function(b){return b.simplify(a.methods)}}(this));return d.__super__.simplify.apply(this,arguments)};d.prototype.simpleFlatten=function(){this.factors=this.factors.reduce(function(a,b){b.parented()||!b.multiplication()?a.push(b):a.push.apply(a,b.pushNegation().pushInversion().factors);return a},
-[]);return this};d.prototype.flatten=function(){d.__super__.flatten.apply(this,arguments);this.simpleFlatten();return this.popNegation()};d.prototype.computeConstants=function(){var a;a=1;this.factors=this.factors.filter(function(b){return b.constant()?(a*=b.evaluate(),!1):!0});1===a&&0!==this.factors.length||this.factors.unshift(new CTATConstantNode(a));return 1<this.factors.length?this:this.pushNegation().pushInversion().factors[0]};d.prototype.combineSimilar=function(){var a;a=[];this.factors.forEach(function(b){var c,
-d,f,e;e=b.constant()?[null,b]:b.power()?b.exponent.constant()?(b.pushInversion(),[b.base,b.exponent]):(b.exponent=b.exponent.multiplyOne(),[b,b.exponent.factors.shift()]):(b=b.powerOne(),[b.base,b.exponent]);return(c=a.find(function(a){var b;return null!=(b=a[0])?b.equals(e[0]):void 0}))?c[1]+=(null!=(d=e[1])?d.evaluate():void 0)||1:a.push([e[0],(null!=(f=e[1])?f.evaluate():void 0)||1])});this.factors=a.reduce(function(a,b){0!==b[1]&&(b[1]=(new CTATConstantNode(b[1])).popNegation(),b[0]?b[1].constant(1)?
-a.push(b[0]):b[0].power()?(b[0].exponent.factors.unshift(b[1]),a.push(b[0])):a.push(new CTATPowerNode("EXP",b[0],b[1])):a.push(b[1]));return a},[]);if(1<this.factors.length)return this;1!==this.factors.length&&(this.factors[0]=new CTATConstantNode(1));return this.pushNegation().pushInversion().factors[0]};d.prototype.distribute=function(){var a,b;a=this.factors.filter(function(a){return!a.inverted()});b=this.factors.filter(function(a){return a.inverted()});return!this.distributedOrSingle(a)||!this.distributedOrSingle(b)||
-this.single(a)&&b.length&&this.distributed(b)?(this.distributed(b)?(a=this.distributeFactors(this.factors),b=[]):this.distributed(a)?(b=this.distributeFactors(this.factors),a=[]):(a=this.distributeFactors(a),b=this.distributeFactors(b)),this.factors=b.length?a.length?[this.packTerms(a),this.packTerms(b).invert()]:[this.packTerms(b).invert()]:[this.packTerms(a)],1<this.factors.length?this:this.pushNegation().pushInversion().factors[0]):this};d.prototype.distributedOrSingle=function(a){return this.distributed(a)||
-this.single(a)};d.prototype.distributed=function(a){return a.every(function(a){return!a.addition()})};d.prototype.single=function(a){return 1===a.length&&a[0].addition()};d.prototype.distributeFactors=function(a){var b;b=a[0].addition()?a[0].terms.map(function(a){return a.multiplication()?a.pushNegation().factors:[a]}):[[a[0]]];a.slice(1).forEach(function(a){var c;return a.addition()?1===b.length?b=a.terms.map(function(a){var c;c=b[0].map(function(a){return a.clone()});a.multiplication()?c.push.apply(c,
-a.pushNegation().factors):c.push(a);return c}):b=b.reduce(function(b,c){b.push.apply(b,a.terms.map(function(a){var b;b=c.map(function(a){return a.clone()});a.multiplication()?b.push.apply(b,a.pushNegation().factors.map(function(a){return a.clone()})):b.push(a.clone());return b}));return b},[]):1===b.length?a.multiplication()?(c=b[0]).push.apply(c,a.pushNegation().factors):b[0].push(a):b.forEach(function(c,d){var e;return a.multiplication()?(e=b[d]).push.apply(e,a.pushNegation().factors.map(function(a){return a.clone()})):
-b[d].push(a.clone())})});return b};d.prototype.packTerms=function(a){var b;b=["computeConstants","combineSimilar","expand","removeIdentity","sort"];return(new CTATAdditionNode("PLUS",a.map(function(a){return(new d("TIMES",a)).popNegation().simplifyNode(b)}))).popNegation().simplifyNode(b)};d.prototype.removeIdentity=function(){var a;this.popNegation();a=this.factors.filter(function(a){return!a.constant(1)});this.factors=a.length?a:this.factors.slice(0,1);(a=this.factors.find(function(a){return a.constant(0)}))&&
-this.factors.every(function(a){return!a.inverted()&&(!a.power()||a.exponent.constant())})&&(this.factors=[a]);return 1<this.factors.length?this:this.pushNegation().pushInversion().factors[0]};d.prototype.sort=function(){this.spreadIdentity();this.factors=this.factors.sort(function(a,b){return a.compare(b)});return this.stripIdentity()};d.prototype.spreadIdentity=function(){this.factors=this.factors.map(function(a){return a.powerOne()});return this};d.prototype.stripIdentity=function(){this.factors=
-this.factors.map(function(a){return a.removeIdentity()});return this.popNegation()};d.prototype.multiplyOne=function(){this.factors[0].constant()||this.factors.unshift(new CTATConstantNode(1));return this.pushNegation()};d.prototype.compare=function(a,b){var c,e;return(e=d.__super__.compare.apply(this,arguments))||this.countVariables()-a.countVariables()||(c=a.factors.slice(0).reverse())&&this.factors.slice(0).reverse().some(function(a,d){return e=a.compare(c[d],b)})&&e||this.compareSigns(a,b)};d.prototype.countVariables=
-function(){return this.factors.reduce(function(a,b){return a+b.countVariables()},0)};d.prototype.pushNegation=function(){this.negated()&&(this.negate(),this.factors[0].negate());return this};d.prototype.popNegation=function(){this.factors.forEach(function(a){return function(b){if(b.negated())return a.negate(),b.negate()}}(this));return this};d.prototype.pushInversion=function(){this.inverted()&&(this.invert(),this.factors.forEach(function(a){return a.invert()}));return this};d.prototype.even=function(){return!this.inverted()&&
-this.factors.every(function(a){return a.integer()})&&this.factors.some(function(a){return a.even()})};return d}(CTATTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATMultiplicationNode=a}).call(this);var CTATIntDivisionNode={};
-(function(){var a,b=function(a,b){function c(){this.constructor=a}for(var d in b)e.call(b,d)&&(a[d]=b[d]);c.prototype=b.prototype;a.prototype=new c;a.__super__=b.prototype;return a},e={}.hasOwnProperty;a=function(a){function d(a,b,d,e,g,q){this.operator=a;this.dividend=b;this.divisor=d;this.parens=null!=e?e:0;this.sign=null!=g?g:1;this.exp=null!=q?q:1}b(d,a);d.prototype.clone=function(){return new d(this.operator,this.dividend.clone(),this.divisor.clone(),this.parens,this.sign,this.exp)};d.prototype.toString=
-function(){this.dividend.setParens(this.operator);this.divisor.setParens(this.operator,!0);return d.__super__.toString.call(this,""+this.dividend.toString()+CTATTreeNode.toOperatorString(this.operator)+this.divisor.toString())};d.prototype.evaluate=function(){return d.__super__.evaluate.call(this,function(){switch(this.operator){case "REM":return this.dividend.evaluate()%this.divisor.evaluate();case "IDIVIDE":return Math.floor(this.dividend.evaluate()/this.divisor.evaluate())}}.call(this))};d.prototype.equals=
-function(a){return d.__super__.equals.call(this,a)&&this.dividend.equals(a.dividend)&&this.divisor.equals(a.divisor)};d.prototype.simplify=function(a){this.methods=a;this.dividend=this.dividend.simplify(this.methods);this.divisor=this.divisor.simplify(this.methods);return d.__super__.simplify.apply(this,arguments)};d.prototype.computeConstants=function(){return this.dividend.constant()&&this.divisor.constant()?new CTATConstantNode(this.evaluate()):this};d.prototype.removeIdentity=function(){return this.divisor.constant(1)?
-(this.intDivision()||(this.dividend=new CTATConstantNode(0)),this.pushNegation().pushInversion().dividend):this.popNegation()};d.prototype.compare=function(a,b){return d.__super__.compare.apply(this,arguments)||this.dividend.compare(a.dividend,b)||this.divisor.compare(a.divisor,b)||this.operator!==a.operator&&(this.intDivision()&&-1||1)||this.compareSigns(a,b)};d.prototype.countVariables=function(){return this.dividend.countVariables()+divisor.countVariables()};d.prototype.pushNegation=function(){this.intDivision()&&
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-null!==module?module.exports=a:this.CTATIntDivisionNode=a}).call(this);var CTATUnaryNode={};
-(function(){var a,b=function(a,b){function c(){this.constructor=a}for(var d in b)e.call(b,d)&&(a[d]=b[d]);c.prototype=b.prototype;a.prototype=new c;a.__super__=b.prototype;return a},e={}.hasOwnProperty;a=function(a){function d(a,b,d,e,g){this.operator=a;this.base=b;this.parens=null!=d?d:0;this.sign=null!=e?e:1;this.exp=null!=g?g:1}b(d,a);d.prototype.clone=function(){return new d(this.operator,this.base,this.parens,this.sign,this.exp)};d.prototype.toString=function(){return d.__super__.toString.call(this,""+
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-return this};d.prototype.compare=function(a,b){return d.__super__.compare.apply(this,arguments)||(this.countVariables()-a.countVariables())*(b?-1:1)||this.exponent.compare(a.exponent,b)||this.base.compare(a.base,b)||this.compareSigns(a,b)};d.prototype.countVariables=function(){return this.base.countVariables()*(this.exponent.constant()?Math.abs(this.exponent.evaluate()):Infinity)};d.prototype.pushBaseNegation=function(){this.negated()&&(this.negate(),this.base.negate());return this};d.prototype.pushInversion=
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-a.length,c=a.split(/(?:\r\n?|\n)/g);this._input=a+this._input;this.yytext=this.yytext.substr(0,this.yytext.length-b);this.offset-=b;a=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1);this.matched=this.matched.substr(0,this.matched.length-1);c.length-1&&(this.yylineno-=c.length-1);var d=this.yylloc.range;this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:c?(c.length===a.length?this.yylloc.first_column:
-0)+a[a.length-c.length].length-c[0].length:this.yylloc.first_column-b};this.options.ranges&&(this.yylloc.range=[d[0],d[0]+this.yyleng-b]);this.yyleng=this.yytext.length;return this},more:function(){this._more=!0;return this},reject:function(){if(this.options.backtrack_lexer)this._backtrack=!0;else return this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),
-{text:"",token:null,line:this.yylineno});return this},less:function(a){this.unput(this.match.slice(a))},pastInput:function(){var a=this.matched.substr(0,this.matched.length-this.match.length);return(20<a.length?"...":"")+a.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var a=this.match;20>a.length&&(a+=this._input.substr(0,20-a.length));return(a.substr(0,20)+(20<a.length?"...":"")).replace(/\n/g,"")},showPosition:function(){var a=this.pastInput(),b=Array(a.length+1).join("-");return a+this.upcomingInput()+
-"\n"+b+"^"},test_match:function(a,b){var c,d;this.options.backtrack_lexer&&(d={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(d.yylloc.range=
-this.yylloc.range.slice(0)));if(c=a[0].match(/(?:\r\n?|\n).*/g))this.yylineno+=c.length;this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:c?c[c.length-1].length-c[c.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+a[0].length};this.yytext+=a[0];this.match+=a[0];this.matches=a;this.yyleng=this.yytext.length;this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]);this._backtrack=this._more=!1;this._input=
-this._input.slice(a[0].length);this.matched+=a[0];c=this.performAction.call(this,this.yy,this,b,this.conditionStack[this.conditionStack.length-1]);this.done&&this._input&&(this.done=!1);if(c)return c;if(this._backtrack)for(var e in d)this[e]=d[e];return!1},next:function(){if(this.done)return this.EOF;this._input||(this.done=!0);var a,b,c;this._more||(this.match=this.yytext="");for(var d=this._currentRules(),e=0;e<d.length;e++)if((b=this._input.match(this.rules[d[e]]))&&(!a||b[0].length>a[0].length))if(a=
-b,c=e,this.options.backtrack_lexer){a=this.test_match(b,d[e]);if(!1!==a)return a;if(this._backtrack)a=!1;else return!1}else if(!this.options.flex)break;return a?(a=this.test_match(a,d[c]),!1!==a?a:!1):""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var a=this.next();return a?a:this.lex()},begin:function(a){this.conditionStack.push(a)},popState:function(){return 0<
-this.conditionStack.length-1?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(a){a=this.conditionStack.length-1-Math.abs(a||0);return 0<=a?this.conditionStack[a]:"INITIAL"},pushState:function(a){this.begin(a)},stateStackSize:function(){return this.conditionStack.length},
-options:{},performAction:function(a,b,c,d){switch(c){case 1:return 25;case 2:return 26;case 3:return 23;case 4:return 23;case 5:return 24;case 6:return 24;case 7:return 16;case 8:return 20;case 9:return 18;case 10:return 21;case 11:return 15;case 12:return 13;case 13:return 9;case 14:return 10;case 15:return 7;case 16:return 8;case 17:return 11;case 18:return 12;case 19:return 28;case 20:return 28;case 21:return 27;case 22:return 5}},rules:[/^(?:\s+)/,/^(?:\()/,/^(?:\))/,/^(?:\*\*)/,/^(?:\^)/,/^(?:\|)/,
-/^(?:\u221a)/,/^(?:\*)/,/^(?:\/\/)/,/^(?:\/)/,/^(?:%)/,/^(?:-)/,/^(?:\+)/,/^(?:<=)/,/^(?:>=)/,/^(?:<)/,/^(?:>)/,/^(?:==)/,/^(?:!=)/,/^(?:(([0-9])+\.?([0-9])*|\.([0-9])+)([Ee][+-]?([0-9])+)?)/,/^(?:(0[Bb]([0-1])+|0[Oo]([0-7])+|0[Xx]([0-9A-Fa-f])+))/,/^(?:([A-Za-z]))/,/^(?:$)/],conditions:{INITIAL:{rules:[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22],inclusive:!0}}}}();b.lexer=e;a.prototype=b;b.Parser=a;return new a}();
-"undefined"!==typeof require&&"undefined"!==typeof exports&&(exports.parser=parser,exports.Parser=parser.Parser,exports.parse=function(){return parser.parse.apply(parser,arguments)},exports.main=function(a){a[1]||(console.log("Usage: "+a[0]+" FILE"),process.exit(1));a=require("fs").readFileSync(require("path").normalize(a[1]),"utf8");return exports.parser.parse(a)},"undefined"!==typeof module&&require.main===module&&exports.main(process.argv.slice(1)));var CTATAlgebraParser={};
-(function(){var a;a=function(){function a(a){this.parser=new parser.Parser;this.parser.yy={CTATRelationNode:CTATRelationNode,CTATAdditionNode:CTATAdditionNode,CTATMultiplicationNode:CTATMultiplicationNode,CTATIntDivisionNode:CTATIntDivisionNode,CTATUnaryNode:CTATUnaryNode,CTATPowerNode:CTATPowerNode,CTATVariableNode:CTATVariableNode,CTATConstantNode:CTATConstantNode,CTATTreeNode:CTATTreeNode};this.parser.yy.variableTable=a}a.none=["simpleFlatten"];a.partial=["flatten","removeIdentity","sort"];a.full=
-"flatten computeConstants combineSimilar expand distribute removeIdentity sort".split(" ");a.prototype.algParse=function(b){try{return this.parser.parse(String(b)).simplify(a.none)}catch(g){return null}};a.prototype.algEvaluate=function(a){try{return this.parser.parse(String(a)).evaluate()}catch(g){return null}};a.prototype.algPartialSimplify=function(b){try{return this.parser.parse(String(b)).simplify(a.partial).toString()}catch(g){return null}};a.prototype.algSimplify=function(b){try{return this.parser.parse(String(b)).simplify(a.full).toString()}catch(g){return null}};
-a.prototype.algValid=function(a){return null!=this.algParse(a)};a.prototype.algValued=function(a){var b;return null!=(b=this.algEvaluate(a))?!isNaN(b):null};a.prototype.algPartialSimplified=function(a){var b,d;return null!=(b=this.algPartialSimplify(a))&&null!=(d=this.algParse(a))?b.toString()===d.toString():null};a.prototype.algSimplified=function(a){var b,d;return null!=(b=this.algSimplify(a))&&null!=(d=this.algParse(a))?b.toString()===d.toString():null};a.prototype.algIdentical=function(a,b){var d,
-c;return null!=(d=this.algParse(a))&&null!=(c=this.algParse(b))?d.equals(c):null};a.prototype.algEqual=function(a,b){var d,c;return null!=(d=this.algEvaluate(a))&&null!=(c=this.algEvaluate(b))?d===c:null};a.prototype.algPartialEquivalent=function(a,b){var d,c;return null!=(d=this.algPartialSimplify(a))&&null!=(c=this.algPartialSimplify(b))?d===c:null};a.prototype.algEquivalent=function(a,b){var d,c;return null!=(d=this.algSimplify(a))&&null!=(c=this.algSimplify(b))?d===c:null};a.prototype.isAlgValid=
-a.prototype.algValid;a.prototype.algEval=a.prototype.algEvaluate;a.prototype.algStrictEquivTermsSameOrder=a.prototype.algPartialEquivalent;a.prototype.algEquivTermsSameOrder=a.prototype.algPartialEquivalent;a.prototype.algStrictEquivTerms=a.prototype.algPartialEquivalent;a.prototype.algEquivTerms=a.prototype.algPartialEquivalent;a.prototype.algEquiv=a.prototype.algEquivalent;a.prototype.isSimplified=a.prototype.algSimplified;a.prototype.calc=a.prototype.algEvaluate;a.prototype.calca=function(a){return(+this.algEvaluate(a)).toFixed(2)};
-a.prototype.simplify=a.prototype.algSimplify;a.prototype.algebraicEqual=a.prototype.algEqual;a.prototype.patternMatches=a.prototype.algIdentical;a.prototype.polyTermsEqual=function(b,g){return this.parser.parse(b).simplify(a.partial).equals(this.parser.parse(g).simplify(a.partial))};a.prototype.algebraicMatches=a.prototype.algEquivalent;a.prototype.expressionMatches=a.prototype.algEquivalent;return a}();"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATAlgebraParser=a}).call(this);var CTATFormulaFunctions={};
-(function(){var a,b,e,g,d,c,f,h,m,l,q,p=[].slice;d=/^(\d+)?(?:$|(?:\s|^)(\d+)\/(\d+)$)/;g=/^\d+(\.\d\d)?$/;c=RegExp("((\\d+)\\.?(\\d+)?|\\.(\\d+))([Ee]([+-]?\\d+))?","g");l=/^[+-]?((\d+)\.?(\d+)?|\.(\d+))([Ee]([+-]?\d+))?$/;m=/^\s*\(\s*([+-]?((\d+)\.?(\d+)?|\.(\d+))([Ee]([+-]?\d+))?)\s*\,\s*([+-]?((\d+)\.?(\d+)?|\.(\d+))([Ee]([+-]?\d+))?)\s*\)\s*$/;h=/([bcdfghjklmnpqrstvwxz]|qu)y$/;f=/([bcdfghjklmnpqrstvwxz]o|[sc]h|s)$/;q=function(a,b){var c;null==b&&(b=!1);var d,e,f,g;f=null!=(c=a[4])?c:a[2]+(a[3]||
-"");g=[];d=0;for(e=f.length;d<e;d++)c=f[d],(b||(b="0"!==c))&&g.push(c);return g.length};e=function(a){return(a[4]||a[3]||"").length-+(a[6]||0)};b=function(a,b,c){var d,e;return isNaN(d=+a)||isNaN(e=+b)?c(String(a).toLowerCase(),String(b).toLowerCase()):c(d,e)};a=function(){function a(){}a.printf=("undefined"!==typeof window&&null!==window?window:global).sprintf;a.sum=function(){return(1<=arguments.length?p.call(arguments,0):[]).reduce(function(a,b){return a+ +b},0)};a.mod=function(a,b){return Math.round(a)%
-Math.round(b)};a.modf=function(a,b){return a%b};a.IEEEremainder=a.modf;a.isFactor=function(a,b){return 1!==+a&&0===b%a};a.isMultiple=function(a,b){return 0===a%b};a.isUnit=function(a){return 1===+a};a.isAny=function(a,b){return this.isFactor(a,b)||this.isMultiple(a,b)||this.isUnit(a)};a.gcf=function(a,b){var c;c=[Math.abs(a),Math.abs(b)];a=c[0];for(b=c[1];0<b;)c=[b,a%b],a=c[0],b=c[1];return a};a.lcm=function(a,b){return Math.abs(a*b)/this.gcf(a,b)};a.integerInRange=function(a,b,c){var d;null==b&&
-(b=-Infinity);null==c&&(c=Infinity);return Math.round(b)<=(d=Math.round(a))&&d<=Math.round(c)};a.fmtDecimal=function(a,b){null==b&&(b=2);return(+a).toFixed(Math.round(+b))};a.fmtNormal=function(a,b){null==b&&(b=6);return this.fmtDecimal(a,b).replace(/\.0+$|(\..+?)0+$/,"$1")};a.fmtDollar=function(a,b){null==b&&(b="");a=this.fmtDecimal(a);b=b.toLowerCase();0<=b.indexOf("i")&&(a=a.replace(/\.00$/,""));return 0<=b.indexOf("d")?"$"+a:a};a.dollarEquals=function(){var a,b;a=arguments[0];b=2<=arguments.length?
-p.call(arguments,1):[];a=this.fmtDollar(a,"i");return b.some(function(b){return function(c){return a===b.fmtDollar(c,"i")}}(this))};a.matchWithPrecision=function(a,c){var d,e;return(d=String(a).match(l))&&(e=String(c).match(l))&&q(d)===q(e)&&b(a,c,function(a,b){return a===b})};a.matchWithoutPrecision=function(a,c){var d,f;return(d=String(a).match(l))&&(f=String(c).match(l))&&(a=q(d)>q(f)?(+a).toFixed(e(f)):String(a))&&b(a,c,function(a,b){return a===b})};a.constantsConform=function(){var a,b;a=arguments[0];
-b=2<=arguments.length?p.call(arguments,1):[];b=b.map(function(a){return"string"===typeof a?new RegExp("^"+a+"$","i"):a});return(a.match(c)||[]).every(function(a){return b.some(function(b){return b.test(a)})})};a.constantsDollar=function(a){return this.constantsConform(a,g)};a.isNumber=function(a,b,c){null==b&&(b=!0);return(b||"number"===typeof a)&&!isNaN(a=+a)&&(!c||a===Math.round(a))};a.isInteger=function(a,b){return this.isNumber(a,b,!0)};a.isVar=function(a){return/^\s*[a-zA-Z]\s*$/.test(a)};a.makeFraction=
-function(a,b,c){null!=b&&null==c&&(c=[0,a,b],a=c[0],b=c[1],c=c[2]);a=+a||0;b=+b||0;c=+c||1;return this.isInteger(a)&&this.isInteger(b)&&this.isInteger(c)?(a?a+(b?" ":""):"")+(b?b+(1===c?"":"/"+c):""):null};a.fractionMake=a.makeFraction;a.getWhole=function(a){return null!=(a=a.match(d))?a[1]||"0":null};a.getNumerator=function(a){return null!=(a=a.match(d))?a[2]||"0":null};a.getDividend=a.getNumerator;a.getDenominator=function(a){return null!=(a=a.match(d))?a[3]||"1":null};a.getDivisor=a.getDenominator;
-a.convertToMixed=function(a){return null!=(a=a.match(d))?(a[1]=(+a[1]||0)+Math.floor((+a[2]||0)/(+a[3]||1)),a[2]=(+a[2]||0)%(+a[3]||1),this.makeFraction(a[1],a[2],a[3])):null};a.convertToImproper=function(a){return null!=(a=a.match(d))?(a[2]=(+a[1]||0)*(+a[3]||1)+(+a[2]||0),a[1]=0,null==a[3]&&(a[3]=1),this.makeFraction(a[1],a[2],a[3])):null};a.evaluateFraction=function(a){return null!=(a=a.match(d))?((+a[1]||0)*(+a[3]||1)+(+a[2]||0))/(+a[3]||1):null};a.divEvaluate=a.evaluateFraction;a.simplifyFraction=
-function(a){var b;return null!=(a=a.match(d))?(null!=a[1]&&null!=a[2]&&(a[1]=+a[1]+Math.floor(+a[2]/+a[3]),a[2]=+a[2]%+a[3]),b=null!=a[2]?this.gcf(+a[2],+a[3]):1,this.makeFraction(a[1],a[2]/b,a[3]/b)):null};a.fractionsimplify=a.simplifyFraction;a.simplifyMixed=a.simplifyFraction;a.simplifiedFraction=function(a){var b;return null!=(b=this.simplifyFraction(a))?b===a:null};a.isSimplifiedMixed=a.simplifiedFraction;a.fractionEquals=function(a,b){var c,d;return null!=(c=this.evaluateFraction(a))&&null!=
-(d=this.evaluateFraction(b))?c===d:null};a.simplifiedFractionEquals=function(a,b){var c,d;return null!=(c=this.simplifiedFraction(a))&&null!=(d=this.simplifiedFraction(b))?c&&d&&this.fractionEquals(a,b):null};a.rationalEquals=function(a,b){return this.matchWithoutPrecision(+b||this.evaluateFraction(b),+a||this.evaluateFraction(a))};a.quote=function(a){return'"'+a+'"'};a.compact=function(a){return a.replace(/\s*/g,"")};a.replaceAll=function(a,b,c){return a.replace(new RegExp(b,"g"),c)};a.regExMatch=
-function(a,b,c){return("string"===typeof a?new RegExp(a,c):a).test(b)};a.rm1coeff=function(a){if(null!=a)return a.replace(/(^|[^0-9])1([a-zA-Z])/g,"$1$2")};a.setMatches=function(a,b,c){var d,e;d=a.split(c);e=b.split(c);return e.every(function(a){return d.includes(a)})&&d.every(function(a){return e.includes(a)})};a.pointInRange=function(a,b,c,d,e){var f,g,l;if(f=null!=b?"function"===typeof b.match?b.match(m):void 0:void 0)e=[f[1],f[8],c,d],b=e[0],c=e[1],d=e[2],e=e[3];null==d&&(d=0);null==e&&(e=d);
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-a:void 0)}):c.every(function(b){return a===+(null!=b?b:NaN)})};a.memberOf=function(){var a,b,c;b=arguments[0];c=2<=arguments.length?p.call(arguments,1):[];null==b&&(b=void 0);return isNaN(a=+b)?c.some(function(a){return b===(null!=a?a:void 0)}):c.some(function(b){return a===+(null!=b?b:NaN)})};a.greaterThan=function(a,c){return b(a,c,function(a,b){return a>b})};a.lessThan=function(a,c){return b(a,c,function(a,b){return a<b})};a.greaterThanOrEqual=function(a,c){return b(a,c,function(a,b){return a>=
-b})};a.lessThanOrEqual=function(a,c){return b(a,c,function(a,b){return a<=b})};a.equal=function(a,c){return b(a,c,function(a,b){return a===b})};a.notEqual=function(a,c){return b(a,c,function(a,b){return a!==b})};a.and=function(){return(1<=arguments.length?p.call(arguments,0):[]).reduce(function(a,b){return a&&b},!0)};a.or=function(){return(1<=arguments.length?p.call(arguments,0):[]).reduce(function(a,b){return a||b},!1)};a.not=function(a){return!a};a.ifThen=function(a,b,c){return a?b:c};a.assign=
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-(function(){var a;a=function(){function a(){}a.goToState=function(a){return CTAT.ToolTutor.tutor.goToState(a)};a.goToStartState=function(){return CTAT.ToolTutor.tutor.goToStartState()};a.performInterfaceAction=function(a,b,d){return CTAT.ToolTutor.sendToInterface((new CTATTutoringServiceMessageBuilder).createInterfaceActionMessage(CTATMessage.makeTransactionId(),new CTATSAI(a,b,d)))};return a}();"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATFormulaActions=a}).call(this);var CTATFormulaParser={};
-(function(){var a,b,e,g,d=[].slice,c=[].indexOf||function(a){for(var b=0,c=this.length;b<c;b++)if(b in this&&this[b]===a)return b;return-1};g=/"(?:[^\\"]|\\\")*"|'(?:[^\\'']|\\\')*'/;b=/[A-Za-z_][\w._]*(?![\w(._])/g;e="abstract await boolean break byte case catch char class const continue debugger default delete do double else enum export extends false final finally float for function goto if implements import in instanceof int interface let long native new null of package private protected public return short static super switch synchronized this throw throws transient true try typeof var void volatile while with yield Array Date eval function global hasOwnProperty Infinity isFinite isNaN isPrototypeOf length Math NaN name Number Object prototype String toString undefined valueOf window".split(" ");a=
-function(){function a(a){var b,c,e;this.variableTable=a;this.algebraParser=new CTATAlgebraParser;this.keys=[];this.values=[];e="EPSILON MAX_VALUE MIN_VALUE POSITIVE_INFINITY NEGATIVE_INFINITY isFinite isInteger isNaN parseFloat parseInt".split(" ");a=0;for(c=e.length;a<c;a++)b=e[a],this.keys.push(b),this.values.push(Number[b]);e="toExponential toFixed toLocaleString toPrecision toString valueOf".split(" ");a=0;for(c=e.length;a<c;a++)b=e[a],this.keys.push(b),this.values.push(function(a){return function(){var b,
-c;c=arguments[0];b=2<=arguments.length?d.call(arguments,1):[];return a.apply(c,b)}}(Number.prototype[b]));e="E LN10 LN2 LOG10E LOG2E PI SQRT1_2 SQRT2 abs acos acosh asin asinh atan atanh atan2 cbrt ceil clz32 cos cosh exp expm1 floor fround hypot imul log log10 log1p log2 max min pow random round sign sin sinh sqrt tan tanh trunc".split(" ");a=0;for(c=e.length;a<c;a++)b=e[a],this.keys.push(b),this.values.push(Math[b]);e=["fromCharCode","fromCodePoint"];a=0;for(c=e.length;a<c;a++)b=e[a],this.keys.push(b),
-this.values.push(String[b]);e="charAt charCodeAt codePointAt concat contains endsWith indexOf lastIndexOf localeCompare match repeat replace search slice split startsWith substr substring toLocaleLowerCase toLocaleUpperCase toLowerCase toUpperCase trim valueOf".split(" ");c=0;for(a=e.length;c<a;c++)b=e[c],this.keys.push(b),this.values.push(function(a){return function(){var b,c;c=arguments[0];b=2<=arguments.length?d.call(arguments,1):[];return a.apply(c,b)}}(String.prototype[b]));this.keys.push("length");
-this.values.push(function(a){return a.length});e="algParse algEvaluate algPartialSimplify algSimplify algValid algValued algPartialSimplified algSimplified algIdentical algEqual algPartialEquivalent algEquivalent isAlgValid algEval algStrictEquivTermsSameOrder algEquivTermsSameOrder algStrictEquivTerms algEquivTerms algEquiv isSimplified calc calca simplify algebraicEqual patternMatches polyTermsEqual algebraicMatches expressionMatches".split(" ");c=0;for(a=e.length;c<a;c++)b=e[c],this.keys.push(b),
-this.values.push(function(a,b){return function(){var c;c=1<=arguments.length?d.call(arguments,0):[];return a.apply(b,c)}}(this.algebraParser[b],this.algebraParser));for(b in CTATFormulaFunctions)this.keys.push(b),this.values.push(function(a,b){return function(){var c;c=1<=arguments.length?d.call(arguments,0):[];return a.apply(b,c)}}(CTATFormulaFunctions[b],CTATFormulaFunctions));for(b in CTATFormulaActions)this.keys.push(b),this.values.push(function(a,b){return function(){var c;c=1<=arguments.length?
-d.call(arguments,0):[];return a.apply(b,c)}}(CTATFormulaActions[b],CTATFormulaActions))}a.prototype.evaluate=function(a,f,l,q){var h,m,r,w,n,B,v,y,A,F,D,x;try{y="undefined"!==typeof window&&null!==window?window:global;h=function(){var a;a=[];for(w in y)a.push(w);return a}().concat(["selection","action","input"]);A=a.split(g);m=0;for(n=A.length;m<n;m++)for(v=A[m],D=null!=(F=v.match(b))?F:[],r=0,B=D.length;r<B;r++)w=D[r],0>c.call(e,w)&&0>c.call(h,w)&&0>c.call(this.keys,w)&&CTATFormulaFunctions.assign(w,
-void 0);for(w in x=this.variableTable.getTable())y[w]=x[w];return function(a,b,c){c.prototype=a.prototype;c=new c;a=a.apply(c,b);return Object(a)===a?a:c}(Function,["selection","action","input"].concat(d.call(this.keys),["return "+a.trim()]),function(){}).apply(y,[f,l,q].concat(d.call(this.values)))}catch(C){return console.log(C),null}finally{for(w in y)null!=w&&0>c.call(h,w)&&(x[w]=y[w],delete y[w])}};a.prototype.interpolateSplitPattern=/<%=|%>/;a.prototype.interpolate=function(a,b,c,d){var e,f,
-g,l,h;l=a.split(this.interpolateSplitPattern);h=[];a=f=0;for(g=l.length;f<g;a=++f)e=l[a],h.push(a%2?this.evaluate(e,b,c,d):e);return h.join("")};return a}();"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATFormulaParser=a}).call(this);var CTATSingleMatcher=function(a,b){CTATMatcher.call(this,!0,a,b);var e=this,g="",d="";this.getSingle=function(a){return g};this.setSingle=function(a){null===a||"undefined"===typeof a?e.ctatdebug('CTATSingleMatcher --\x3e bad argument "'+a+'" to setSingle()'):g=a};this.toString=function(){console.log("Error: CTATSingleMatcher.toString() called: should be overridden")};this.matchSingle=function(a){console.log("Error: CTATSingleMatcher.matchSingle("+a+") called: should be overridden");return!1};this.getReplacementFormula=
-function(){return d};this.setReplacementFormula=function(a){d=a?a:""};this.evaluateReplacement=function(a,b,g){g=null;if(!d)return g;e.ctatdebug("CTATSingleMatcher.evaluateReplacement("+a+", "+b+")");var c=a.getSelection(),f=a.getAction();a=CTATVariableTable.standardizeType(a.getInput());b||(b=new CTATVariableTable);b=new CTATFormulaParser(b);e.ctatdebug("CTATSingleMatcher calling CTATFormulaParser.evaluate("+d+", "+c+", "+f+", "+a+")");try{g=b.evaluate(d,c,f,a)}catch(q){e.ctatdebug("CTATSingleMatcher error from CTATFormulaParser.evaluate("+
-d+") "+q.name+": "+q.message),g=null}e.ctatdebug("CTATSingleMatcher.evaluateReplacement() returns "+g+", type "+typeof g);return g}};CTATSingleMatcher.prototype=Object.create(CTATMatcher.prototype);CTATSingleMatcher.prototype.constructor=CTATSingleMatcher;CTATSingleMatcher.prototype.matchConcatenation=function(a){a=this.array2ConcatString(a);return this.matchSingle(a)};CTATSingleMatcher.prototype.match=function(a,b,e,g){return this.matchConcatenation(a)};
-CTATSingleMatcher.prototype.setParameter=function(a,b,e){this.ctatdebug("CTATSingleMatcher.setParameter("+a+", "+b+", "+e+") calling\n  "+this.setSingle.toString());this.setSingle(a)};"undefined"!==typeof module&&(module.exports=CTATSingleMatcher);var CTATAnyMatcher=function(a,b){CTATSingleMatcher.call(this,a,!0);this.toString=function(){return"*"};this.matchSingle=function(a){return!0}};CTATAnyMatcher.prototype=Object.create(CTATSingleMatcher.prototype);CTATAnyMatcher.prototype.constructor=CTATAnyMatcher;"undefined"!==typeof module&&(module.exports=CTATAnyMatcher);var CTATExactMatcher=function(a,b){CTATSingleMatcher.call(this,a,!0);var e=this;this.toString=function(){return e.getSingle().toString()};this.matchSingle=function(a){var b=e.getSingle();ctatdebug("CTATExactMatcher --\x3e in matchSingle: s = "+a+", singleval = "+b+", caseInsensitive "+e.getCaseInsensitive()+", "+typeof e.getCaseInsensitive());return e.getCaseInsensitive()?String(a).toUpperCase()==String(b).toUpperCase():String(a)==String(b)}};CTATExactMatcher.prototype=Object.create(CTATSingleMatcher.prototype);
-CTATExactMatcher.prototype.constructor=CTATExactMatcher;"undefined"!==typeof module&&(module.exports=CTATExactMatcher);var CTATExampleTracerException=function(a){CTATBase.call(this,"CTATExampleTracerException","");this.toString=function(){return a}};CTATExampleTracerException.prototype=Object.create(CTATBase.prototype);CTATExampleTracerException.prototype.constructor=CTATExampleTracerException;"undefined"!==typeof module&&(module.exports=CTATExampleTracerException);var CTATExpressionMatcher=function(a,b){function e(a,b,d,e,f){h.ctatdebug("CTATExpressionMatcher.testVector["+e+"]("+a+", "+b+", "+d+", "+f+") to call evaluate");var l=CTATVariableTable.standardizeType(d);h.ctatdebug("CTATExpressionMatcher.testVector typeof input "+typeof d+"; inputConv "+l+", typeof "+typeof l);d=h.evaluate(a,b,l,f);h.ctatdebug("CTATExpressionMatcher.testVector evaluate("+a+", "+b+", "+l+", "+f+") returned "+d+", type "+typeof d);f=null;switch(e){case CTATMatcher.SELECTION:f=a;break;
-case CTATMatcher.ACTION:f=b;break;case CTATMatcher.INPUT:case CTATMatcher.NON_SINGLE:f=l}c=f;h.ctatdebug("CTATExpressionMatcher.testVector comparee "+f+", type "+typeof f+", relation "+g+"( "+CTATExpressionMatcher.RELATIONS[g]+" )");try{switch(g){case CTATExpressionMatcher.BOOL_RELATION:return!!d;case CTATExpressionMatcher.EQ_RELATION:if(null==f)return null==d;if(null==d)break;return h.compareNumberOrString(f,d,g);case CTATExpressionMatcher.NOT_EQ_RELATION:return null==f?null!=d:null==d?!0:h.compareNumberOrString(f,
-d,g);case CTATExpressionMatcher.LT_RELATION:case CTATExpressionMatcher.GT_RELATION:if(null==f||null==d)break;return h.compareNumberOrString(f,d,g);case CTATExpressionMatcher.LTE_RELATION:case CTATExpressionMatcher.GTE_RELATION:if(null==f)return null==d;if(null!=d)return h.compareNumberOrString(f,d,g)}}catch(w){}return!1}CTATSingleMatcher.call(this,a,b);var g=CTATExpressionMatcher.EQ_RELATION,d=b,c=null,f=!1,h=this;this.getLastInput=function(){h.ctatdebug("CTATExpressionMatcher.getLastInput() returns "+
-c);return c};this.isEqualRelation=function(){h.ctatdebug("CTATExpressionMatcher --\x3e in isEqualRelation");return g===CTATExpressionMatcher.EQ_RELATION};this.getEvaluatedInput=function(a,b){h.ctatdebug("CTATExpressionMatcher --\x3e in getEvaluatedInput("+a+", "+b+")");var c=CTATVariableTable.standardizeType(a.getInput()),c=h.evaluate(a.getSelection(),a.getAction(),c,b);h.ctatdebug("CTATExpressionMatcher.getEvaluatedInput() returns "+c);return c};this.toString=function(){return CTATExpressionMatcher.RELATIONS[g]+
-' "'+d+'"'};this.matchSingle=function(a){throw new CTATExampleTracerException("UnsupportedOperationException");};this.setInputExpression=function(a){d=a};this.setRelation=function(a){g=a};this.interpolate=function(a,b,c,d){try{var e=new CTATVariableTable;return(new CTATFormulaParser(e)).interpolate(a,b,c,d)}catch(r){return null}};this.evaluate=function(a,b,c,d){if("undefined"==typeof d||null==d)d=new CTATVariableTable;h.ctatdebug("CTATExpressionMatcher.evaluate(..., vt="+d+") creating CTATFormulaParser");
-d=new CTATFormulaParser(d);h.ctatdebug("calling CTATFormulaParser.evaluate("+h.getInputExpression()+", "+a+", "+b+", "+c+")");try{return d.evaluate(h.getInputExpression(),a,b,c)}catch(u){return h.ctatdebug("CTATExpressionMatcher --\x3e "+u.name+": "+u.message),null}};this.matchConcatenation=function(b,c,d,g){b=h.array2ConcatString(b);null===c||"undefined"===typeof c||null===d||"undefined"===typeof d?f=e(b,null,null,a,g):(c=h.array2ConcatString(c),d=h.array2ConcatString(d),f=e(b,c,d,a,g));return f};
-this.match=function(a,b,c,d,e){return h.matchConcatenation(a,b,c,e)};this.getInputExpression=function(){return d};(function(){if(null!==b&&"undefined"!==typeof b){var a;a=b.indexOf('"');var c=b.lastIndexOf('"');0<=a&&0<=c?(a=b.substring(a+1,c),c=b.substring(0,b.indexOf(" ")),g=CTATExpressionMatcher.nameToRelation(c)):a=b;h.setInputExpression(a)}})()};Object.defineProperty(CTATExpressionMatcher,"EQ_RELATION",{enumerable:!1,configurable:!1,writable:!1,value:0});
-Object.defineProperty(CTATExpressionMatcher,"LT_RELATION",{enumerable:!1,configurable:!1,writable:!1,value:1});Object.defineProperty(CTATExpressionMatcher,"GT_RELATION",{enumerable:!1,configurable:!1,writable:!1,value:2});Object.defineProperty(CTATExpressionMatcher,"NOT_EQ_RELATION",{enumerable:!1,configurable:!1,writable:!1,value:3});Object.defineProperty(CTATExpressionMatcher,"GTE_RELATION",{enumerable:!1,configurable:!1,writable:!1,value:4});
-Object.defineProperty(CTATExpressionMatcher,"LTE_RELATION",{enumerable:!1,configurable:!1,writable:!1,value:5});Object.defineProperty(CTATExpressionMatcher,"BOOL_RELATION",{enumerable:!1,configurable:!1,writable:!1,value:6});Object.defineProperty(CTATExpressionMatcher,"RELATIONS",{enumerable:!1,configurable:!1,writable:!1,value:"= < > != >= <= boolean".split(" ")});
-CTATExpressionMatcher.nameToRelation=function(a){for(var b=0;b<CTATExpressionMatcher.RELATIONS.length;b++)if(a==CTATExpressionMatcher.RELATIONS[b])return b;return CTATExpressionMatcher.EQ_RELATION};CTATExpressionMatcher.prototype=Object.create(CTATSingleMatcher.prototype);CTATExpressionMatcher.prototype.constructor=CTATExpressionMatcher;
-CTATExpressionMatcher.prototype.setParameter=function(a,b,e){a&&b&&e&&(a=e.getNodeTextValue(a),this.ctatdebug("CTATExpressionMatcher.setParameter("+b+", "+a+")"),"InputExpression"==b?this.setInputExpression(a):"relation"==b&&this.setRelation(CTATExpressionMatcher.nameToRelation(a)))};
-CTATExpressionMatcher.prototype.compareNumberOrString=function(a,b,e){a=String(a);b=String(b);var g=Number(a),d=Number(b);if(isNaN(g)||isNaN(d))switch(e){case CTATExpressionMatcher.EQ_RELATION:return a==b;case CTATExpressionMatcher.NOT_EQ_RELATION:return a!=b;case CTATExpressionMatcher.LT_RELATION:return a.toLowerCase()<b.toLowerCase();case CTATExpressionMatcher.GT_RELATION:return a.toLowerCase()>b.toLowerCase();case CTATExpressionMatcher.LTE_RELATION:return a.toLowerCase()<=b.toLowerCase();case CTATExpressionMatcher.GTE_RELATION:return a.toLowerCase()>=
-b.toLowerCase();case CTATExpressionMatcher.BOOL_RELATION:return!!b;default:return!1}else switch(e){case CTATExpressionMatcher.EQ_RELATION:return g==d;case CTATExpressionMatcher.NOT_EQ_RELATION:return g!=d;case CTATExpressionMatcher.LT_RELATION:return g<d;case CTATExpressionMatcher.GT_RELATION:return g>d;case CTATExpressionMatcher.LTE_RELATION:return g<=d;case CTATExpressionMatcher.GTE_RELATION:return g>=d;case CTATExpressionMatcher.BOOL_RELATION:return!!d;default:return!1}};
-"undefined"!==typeof module&&(module.exports=CTATExpressionMatcher);var CTATRangeMatcher=function(a,b){CTATSingleMatcher.call(this,a,!0);var e=0,g=0;this.toString=function(){return"[ "+e+" , "+g+" ]"};this.setMinimum=function(a){try{e=parseFloat(a)}catch(c){throw new CTATExampleTracerException('Number format exception while parsing minimum value "'+a+'": '+c);}};this.setMaximum=function(a){try{g=parseFloat(a)}catch(c){throw new CTATExampleTracerException('Number format exception while parsing maximum value "'+a+'": '+c);}};this.matchSingle=function(a){var b;try{b=
-parseFloat(a)}catch(f){throw new CTATExampleTracerException("Number format exception while parsing .");}return e<=b&&b<=g?!0:!1}};CTATRangeMatcher.prototype=Object.create(CTATSingleMatcher.prototype);CTATRangeMatcher.prototype.constructor=CTATRangeMatcher;
-CTATRangeMatcher.prototype.setParameter=function(a,b){switch((b?b:"").toString().trim().toLowerCase()){case "minimum":this.setMinimum(a);break;case "maximum":this.setMaximum(a);break;default:console.log('CTATRangeMatcher.setParameter() undefined parameter name "'+b+'"'),this.setMinimum(a),this.setMaximum(a)}};CTATRangeMatcher.prototype.match=function(a,b,e,g){return this.matchSingle(a,b,e,g)};"undefined"!==typeof module&&(module.exports=CTATRangeMatcher);var CTATRegexMatcher=function(a,b){CTATSingleMatcher.call(this,a,!0);var e=null,g=null,d=this;this.toString=function(){return e};this.setSinglePattern=function(a){"undefined"===typeof a||null===a?console.log("CTATRegexMatcher: null or undefined pattern"):(e=a,g=d.getCaseInsensitive()?new RegExp(a,"i"):new RegExp(a))};this.setSingle=function(a){d.setSinglePattern(a)};this.matchSingle=function(a){if(null==a)return null==getSingle();if(null==g)return console.log("Error: CTATRegexMatcher.matchSingle called before pattern has been set"),
-!1;var b=g.exec(a);return null!=b&&b[0]==a}};CTATRegexMatcher.prototype=Object.create(CTATSingleMatcher.prototype);CTATRegexMatcher.prototype.constructor=CTATRegexMatcher;"undefined"!==typeof module&&(module.exports=CTATRegexMatcher);var CTATWildcardMatcher=function(a,b){function e(a){if(null==a||"undefined"===typeof a)return null;var b=(new String(a)).replace(RegExp("\\?","g"),"."),d=b.replace(RegExp("\\*","g"),".*"),e=d.replace(RegExp("\\[\\!","g"),"[^");g.ctatdebug("CTATWildcardMatcher.convertToFullRegex("+a+") after qm: "+b+"; after aster: "+d+"; after negate: "+e+";");return e}CTATRegexMatcher.call(this,a,b);var g=this;this.toString=function(){return null};this.setSingle=function(a){g.simpleSinglePattern=a;g.setSinglePattern.call(g,
-e(a))};this.setSingle(b);this.simpleSinglePattern=b};CTATWildcardMatcher.prototype=Object.create(CTATRegexMatcher.prototype);CTATWildcardMatcher.prototype.constructor=CTATWildcardMatcher;"undefined"!==typeof module&&(module.exports=CTATWildcardMatcher);var CTATVectorMatcher=function(a,b,e,g){function d(a,b,d,e,g){l.ctatdebug("CTATVectorMatcher --\x3e in _match("+a+", "+b+", "+d+", "+e+")");if(0===c.length||0===f.length||0===h.length)c.push(new CTATExactMatcher(CTATMatcher.SELECTION,l.array2ConcatString(l.getDefaultSelectionArray()))),f.push(new CTATExactMatcher(CTATMatcher.ACTION,l.array2ConcatString(l.getDefaultActionArray()))),h.push(new CTATExactMatcher(CTATMatcher.INPUT,l.array2ConcatString(l.getDefaultInputArray())));var n=[];n[CTATMatcher.SELECTION]=
-a;n[CTATMatcher.ACTION]=b;n[CTATMatcher.INPUT]=d;for(var p=0;3>p;p++){var q=m[p][0],r=q instanceof CTATExpressionMatcher?q.matchConcatenation(a,b,d,e):q.matchConcatenation(n[p]);l.ctatdebug("CTATVectorMatcher --\x3e in _match["+p+"] after "+q+".concat returns: "+r);if(g)g.push(r);else if(!1===r)return!1}if(g)for(a=0;a<g.length;++a)if(!g[a])return!1;return!0}CTATMatcher.call(this,!0,CTATMatcher.VECTOR,!0);var c=a instanceof Array?a:[],f=b instanceof Array?b:[],h=e instanceof Array?e:[],m=[];m[CTATMatcher.SELECTION]=
-c;m[CTATMatcher.ACTION]=f;m[CTATMatcher.INPUT]=h;var l=this;this.match=function(a,b,c,e,f){return!1!==d(a,b,c,f)&&l.matchActor(e)?!0:!1};this.getMatchers=function(a){return m[a]};this.getTutorSAI=function(a,b,c){l.ctatdebug("CTATVectorMatcher.getTutorSAI("+a+", vt, "+c+")");if(c&&CTATExampleTracerLink.CORRECT_ACTION.toLowerCase()==c.toLowerCase())return a;var e=[];if(d(a.getSelectionArray(),a.getActionArray(),a.getInputArray(),b,e))return c=a.clone(),a=l.evaluateReplacement(a,b,null),null!=a&&c.setInput("object"==
-typeof a?a.toString():a),c;c=a.clone();for(a=0;a<e.length;a++)switch(a){case CTATMatcher.SELECTION:if(e[a])continue;c.setSelection(l.getDefaultSelection());c.setSelectionArray(l.getDefaultSelectionArray());break;case CTATMatcher.ACTION:if(e[a])continue;c.setAction(l.getDefaultAction());c.setActionArray(l.getDefaultActionArray());break;case CTATMatcher.INPUT:if(e[a])continue;c.setInput(l.getDefaultInput());c.setInputArray(l.getDefaultInputArray());break;default:console.log("CTATVectorMatcher.getTutorSAI() unexpected no. of details: "+
-a)}return c};this.getInputMatcher=function(){var a=h[0];return a instanceof CTATExactMatcher&&a.toString()==="".toString()?l.getDefaultInput():a.toString()};this.getActionMatcher=function(){var a=f[0];return a instanceof CTATExactMatcher&&a.toString()==="".toString()?l.getDefaultAction():a.toString()};this.getSelectionMatcher=function(){var a=c[0];return a instanceof CTATExactMatcher&&a.toString()==="".toString()?l.getDefaultSelection():a.toString()};this.getSingleMatcher=function(a){return"selection".toString().toUpperCase()===
-a.toString().toUpperCase()?c[0]:"action".toString().toUpperCase()===a.toString().toUpperCase()?f[0]:h[0]};var q=l.getDefaultSAI;this.getDefaultSAI=function(){var a=q.apply(l),b=0<c.length&&c[0]instanceof CTATExactMatcher?c[0].getSingle():a.getSelection(),d=0<f.length&&f[0]instanceof CTATExactMatcher?f[0].getSingle():a.getAction(),a=0<h.length&&h[0]instanceof CTATExactMatcher?h[0].getSingle():a.getInput();return new CTATSAI(b,d,a)};this.getSelection=function(){return 0===c.length?l.getDefaultSelection():
-c[0].toString()};this.getAction=function(){return 0===f.length?l.getDefaultAction():f[0].getAction()};this.setDefaultSelection=function(a){return 0===c.length?l.internalSetDefaultSelection(a):c[0].setDefaultSelection(a)};this.setDefaultAction=function(a){return 0===f.length?l.internalSetDefaultAction(a):f[0].setDefaultAction(a)};this.setDefaultInput=function(a){return 0===h.length?l.internalSetDefaultInput(a):h[0].setDefaultInput(a)};this.getEvaluatedInput=function(a,b){if(0===h.length)return l.getInput();
-var c=h[0];return!1===c instanceof CTATExpressionMatcher?l.getInput():!0===c.isEqualRelation()?c.getEvaluatedInput(a,b):l.getInput()};this.matchForHint=function(a,b,d,e){ctatdebug("CTATVectorMatcher.matchForHint("+a+", "+b+", "+d+", vt)");if(!l.matchActor(d))return!1;b=c[0];return Array.isArray(a)?b.matchConcatenation(a,l.getDefaultActionArray(),l.getDefaultInputArray(),e):b.matchConcatenation([a],l.getDefaultActionArray(),l.getDefaultInputArray(),e)};this.setCaseInsensitive=function(a){ctatdebug("CTATVectorMatcher.setCaseInsensitive("+
-a+")");for(var b=0;b<m.length;++b)if(Array.isArray(m[b]))for(var c=0;c<m[b].length;++c)m[b][c].setCaseInsensitive(a);else m[b]instanceof CTATMatcher&&m[b].setCaseInsensitive(a)};this.toString=function(){return"this is CTATVectorMatcher"};this.getReplacementFormula=function(){var a=h[0];return null===a||"undefined"===typeof a?null:a.getReplacementFormula()};this.evaluateReplacement=function(a,b,c){return h[0].evaluateReplacement(a,b,c)};this.setActor(g)};CTATVectorMatcher.prototype=Object.create(CTATMatcher.prototype);
-CTATVectorMatcher.prototype.constructor=CTATVectorMatcher;"undefined"!==typeof module&&(module.exports=CTATVectorMatcher);var CTATExampleTracerNodeVisualData=function(){CTATBase.call(this,"ExampleTracerNodeVisualData","visualdata");var a="****",b="undefined",e=-1,g=-1,d=null;this.setID=function(b){a=b};this.getID=function(){return a};this.setLabel=function(a){b=a};this.getLabel=function(){return b};this.setX=function(a){e=a};this.getX=function(){return e};this.setY=function(a){g=a};this.getY=function(){return g};this.setVizReference=function(a){d=a};this.getVizReference=function(){return d}};
-CTATExampleTracerNodeVisualData.prototype=Object.create(CTATBase.prototype);CTATExampleTracerNodeVisualData.prototype.constructor=CTATExampleTracerNodeVisualData;"undefined"!==typeof module&&(module.exports=CTATExampleTracerNodeVisualData);var CTATExampleTracerNode=function(a,b){CTATBase.call(this,"CTATExampleTracerNode",a);var e=null,g="",d=b?b:new Set,c=new Set;d.forEach(function(a,b,d){b.isCorrect()&&c.add(b)});var f=new Set,h=this;this.toString=function(){return"node"+a};this.getNodeID=function(){return a};this.getNodeName=function(){return g};this.setNodeName=function(a){h.ctatdebug("CTATExampleTracerGraph --\x3e in setNodeName("+a+")");g=a};this.getOutLinks=function(){ctatdebug("CTATExampleTracerNode --\x3e getOutLinks");return d};
-this.getCorrectOutLinks=function(){return c};this.addOutLink=function(a){ctatdebug("CTATExampleTracerNode --\x3e addOutLink( "+a+" )");d.add(a);a.isCorrect()&&c.add(a)};this.clearInLinks=function(){f=new Set};this.addInLink=function(a){f.add(a)};this.getInLinks=function(){return f};this.getOutDegree=function(){return d.size};this.getCorrectOutDegree=function(){return c.size};this.setVisualData=function(a){e=a};this.getVisualData=function(){return e}};CTATExampleTracerNode.prototype=Object.create(CTATBase.prototype);
-CTATExampleTracerNode.prototype.constructor=CTATExampleTracerNode;"undefined"!==typeof module&&(module.exports=CTATExampleTracerNode);var CTATExampleTracerLinkVisualData=function(){CTATBase.call(this,"CTATExampleTracerLinkVisualData","visualdata");var a="****",b="undefined",e="****",g="****";this.setID=function(b){a=b};this.getID=function(){return a};this.setLabel=function(a){b=a};this.getLabel=function(){return b};this.setSource=function(a){e=a};this.getSource=function(){return e};this.setDestination=function(a){g=a};this.getDestination=function(){return g}};CTATExampleTracerLinkVisualData.prototype=Object.create(CTATBase.prototype);
-CTATExampleTracerLinkVisualData.prototype.constructor=CTATExampleTracerLinkVisualData;"undefined"!==typeof module&&(module.exports=CTATExampleTracerLinkVisualData);var CTATExampleTracerLink=function(a,b,e){CTATBase.call(this,"CTATExampleTracerLink","("+b+"-"+e+")");var g="undefined"===typeof a||null===a?null:a,d=null,c="undefined"===typeof b||null===b?null:b,f="undefined"===typeof e||null===e?null:e,h=null,m=1,l=1,q="CORRECT_ACTION",p=[],u=!1,r=null,w="",n=null,B=null,v=this;this.getUniqueID=function(){return g};this.getMatcher=function(){v.ctatdebug("CTATExampleTracerLink --\x3e in getMatcher");return h};this.isCorrect=function(){return q==CTATExampleTracerLink.CORRECT_ACTION};
-this.matchesSAI=function(a,b,c){var d=v.getMatcher();v.ctatdebug("CTATExampleTracerLink --\x3e in matchesSAI(); matcher "+d+", typeof "+typeof d+", sai "+a);a=d.match(a.getSelectionArray(),a.getActionArray(),a.getInputArray(),b,c);v.ctatdebug("CTATExampleTracerLink --\x3e out of matchesSAI: result = "+a);return a};this.matchesSAIforHint=function(a,b,c,d){v.ctatdebug("CTATExampleTracerLink --\x3e in matchesSAIforHint("+a+", "+b+") selectionArray "+a.getSelectionArray());if(!1===v.getMatcher().matchForHint(a.getSelectionArray(),
-a.getActionArray(),b,d))return v.ctatdebug("CTATExampleTracerLink --\x3e matchesSAIforHint() returning false because no match"),!1;if(null!==c&&"undefined"!==typeof c&&!0===c.getWantReportableHints()&&(a=null===v.getAllHints()||"undefined"===typeof v.getAllHints()?0:v.getAllHints().length,1>a))return v.ctatdebug("CTATExampleTracerLink --\x3e matchesSAIforHint() returning false nStaticHints "+a+"< 1"),!1;v.ctatdebug("CTATExampleTracerLink --\x3e matchesSAIforHint() returning true");return!0};this.getDepth=
-function(){return d};this.getBuggyMsg=function(){return w};this.getSuccessMsg=function(){return r};this.getType=function(){return q};this.getPrevNode=function(){return c};this.getNextNode=function(){return f};this.setPrevNode=function(a){c=a};this.setNextNode=function(a){f=a};this.toString=function(){var a;a="[link "+v.getUniqueID();a+=" ("+v.getPrevNode()+"-"+v.getNextNode();a+=") "+v.getType();return a+"]"};this.getTutorSAI=function(a,b){return v.getMatcher().getTutorSAI(a,b,v.getActionType())};
-this.getEvaluatedInput=function(a,b){return v.getMatcher().getEvaluatedInput(a,b)};this.setDepth=function(a){d=a};this.getMaxTraversals=function(){return m};this.isDone=function(){var a=String(v.getDefaultSAI().getSelection()).toLowerCase(),b=String(v.getDefaultSAI().getAction()).toLowerCase(),a=CTATMsgType.DONE.toLowerCase()==a&&CTATMsgType.BUTTON_PRESSED.toLowerCase()==b;v.ctatdebug("CTATExampleTracerLink.isDone() returns "+a);return a};this.interpolateHints=function(a){v.ctatdebug("CTATExampleTracerLink --\x3e interpolateHints("+
-a+")");var b=[];if(null===p||"undefined"===typeof p||0===p.length)return b;null==a&&(a=new CTATVariableTable);var c=new CTATFormulaParser(a);p.forEach(function(a){if(!(1>String(a).trim().length)){var d=v.getDefaultSAI().getSelection(),e=v.getDefaultSAI().getAction(),f=CTATVariableTable.standardizeType(v.getDefaultSAI().getInput());v.ctatdebug("CTATExampleTracerLink.interpolateHints() calling fp.interpolate("+a+", "+d+", "+e+", "+f+")");a=c.interpolate(a,d,e,f);v.ctatdebug("CTATExampleTracerLink.interpolateHints() calling fp.interpolate() returns "+
-a);b.push(a)}});v.ctatdebug("CTATExampleTracerLink --\x3e out of interpolateHints "+b);return b};this.getHints=function(){v.ctatdebug("CTATExampleTracerLink --\x3e in getHints");var a=[];v.interpolateHints(null).forEach(function(b){v.ctatdebug("CTATExampleTracerLink --\x3e in getHints loop");b.toString()!=="".toString()&&a.push(b)});v.ctatdebug("CTATExampleTracerLink --\x3e out of getHints");return a};this.getAllNonEmptyHints=function(){var a=[];p.forEach(function(b){b.trim().toString()!=="".toString()&&
-a.push(b)});return a};this.isTraversable=function(){return 1>v.getMaxTraversals()?!1:CTATExampleTracerLink.CORRECT_ACTION.toString().toUpperCase()==v.getActionType().toString().toUpperCase()||CTATExampleTracerLink.FIREABLE_BUGGY_ACTION.toString().toUpperCase()==v.getActionType().toString().toUpperCase()?!0:!1};this.replaceInput=function(){return CTATExampleTracerLink.CORRECT_ACTION.toString().toUpperCase()!==v.getActionType().toString().toUpperCase()&&CTATExampleTracerLink.FIREABLE_BUGGY_ACTION.toString().toUpperCase()!==
-v.getActionType().toString().toUpperCase()?!1:v.getMatcher().replaceInput()};this.evaluateReplacement=function(a,b,c){return v.getMatcher().evaluateReplacement(a,b,c)};this.getActor=function(){return v.getMatcher().getActor()};this.getDefaultSAI=function(){v.ctatdebug(v.toString()+".getSAI(): "+(h?h.getDefaultSAI():"(matcher null)"));return h.getDefaultSAI()};this.getActionType=function(){return q};this.getMinTraversals=function(){return l};this.getIsPreferredLink=function(){return u};this.getAllHints=
-function(){return p};this.setMatcher=function(a){h=a};this.addHint=function(a){null!==a&&"undefined"!==typeof a&&a.toString()!=="".toString()&&p.push(a)};this.setSelection=function(a){v.getMatcher().setDefaultSelection(null===a[0]||"undefined"===typeof a[0]?"":a[0].toString())};this.setAction=function(a){v.getMatcher().setDefaultAction(null===a[0]||"undefined"===typeof a[0]?"":a[0].toString())};this.setActionType=function(a){if(null===a||"undefined"===typeof a||a.toString()!==CTATExampleTracerLink.CORRECT_ACTION.toString()&&
-a.toString()!==CTATExampleTracerLink.FIREABLE_BUGGY_ACTION.toString()&&a.toString()!==CTATExampleTracerLink.BUGGY_ACTION.toString()&&a.toString()!==CTATExampleTracerLink.HINT_ACTION.toString()&&a.toString()!==CTATExampleTracerLink.UNTRACEABLE_ERROR.toString()&&a.toString()!==CTATExampleTracerLink.CLT_ERROR_ACTION.toString()&&a.toString()!==CTATExampleTracerLink.GIVEN_ACTION.toString())throw new CTATExampleTracerException("invalid action type "+q);q=a};this.setBuggyMsg=function(a){w=a};this.setSuccessMsg=
-function(a){r=a};this.setMinTraversalsStr=function(a){if(null===a||"undefined"===typeof a||1>a.length)l=1;else try{l=parseInt(a.trim()),isNaN(l)&&(l=1)}catch(A){l=1}};this.setMaxTraversalsStr=function(a){if(null===a||"undefined"===typeof a||1>a.length)m=l;else try{m=parseInt(a.trim()),isNaN(m)&&(m=1)}catch(A){m=l}};this.setUniqueID=function(a){g=a};this.addSkillName=function(a){v.ctatdebug("ETLink["+g+"].addSkillName("+a+")");if("unnamed"!==a){if(null===B||"undefined"===typeof B)B=[];-1<B.indexOf(a)||
-(B.push(a),v.ctatdebug("ETLink.addSkillName() return with skillNames "+B))}};this.getSkillNames=function(){if(null===B||"undefined"===typeof B)B=[];return B};this.isTutorPerformed=function(a){if(CTATExampleTracerLink.CORRECT_ACTION.toUpperCase()!==v.getActionType().toUpperCase())return!1;var b=v.getMatcher();if(null===b||"undefined"===typeof b||null!==a&&"undefined"!==typeof a&&a!==b.isLinkTriggered())return!1;a=v.getActor();return CTATMatcher.isTutorActor(a,!0)?!0:!1};this.setIsPreferredLink=function(a){v.ctatdebug("ETLink.setIsPreferredLink() was "+
-u+", now "+a);u=a};this.setVisualData=function(a){n=a};this.getVisualData=function(){return n}};
-CTATExampleTracerLink.compareLinkTypes=function(a,b){ctatdebug("CTATExampleTracerLink --\x3e in compareLinkTypes("+a+", "+b+")");return null===a||"undefined"===typeof a?null===b||"undefined"===typeof b?0:1:null===b||"undefined"===typeof b?-1:a.toString()===b.toString()?0:a.toString()===CTATExampleTracerLink.CORRECT_ACTION.toString()?-1:b.toString()===CTATExampleTracerLink.CORRECT_ACTION.toString()?1:a.toString()===CTATExampleTracerLink.FIREABLE_BUGGY_ACTION.toString()?-1:b.toString()===CTATExampleTracerLink.FIREABLE_BUGGY_ACTION.toString()?
-1:a.toString()===CTATExampleTracerLink.BUGGY_ACTION.toString()?-1:b.toString()===CTATExampleTracerLink.BUGGY_ACTION.toString()?1:0};Object.defineProperty(CTATExampleTracerLink,"BUGGY_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"Buggy Action"});Object.defineProperty(CTATExampleTracerLink,"FIREABLE_BUGGY_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"Fireable Buggy Action"});
+CTATExampleTracerSkill.prototype.constructor=CTATExampleTracerSkill;"undefined"!==typeof module&&(module.exports=CTATExampleTracerSkill);var CTATVariableTableCount=0,CTATVariableTable=function(){function a(d){var c={},b;for(b in d)!0===d.hasOwnProperty(b)&&(c[b]="object"!==typeof d[b]?d[b]:a(d[b]));return c}CTATBase.call(this,"CTATVariableTable","");CTATVariableTableCount++;var g={},f=this;this.toString=function(){var a="",c;for(c in g)0<a.length&&(a+=", "),a=a+c+"="+g[c];return"{ "+a+" }"};this.clone=function(){ctatdebug("CTATVariableTable --\x3e in clone; this "+this+", this.getTable() "+this.getTable);var d=new CTATVariableTable;
+ctatdebug("CTATVariableTable --\x3e in clone; copy "+d+", copy.setTable() "+d.setTable);d.setTable(a(g));ctatdebug("CTATVariableTable --\x3e out of clone");return d};this.put=function(a,c){f.ctatdebug("CTATVariableTable.put("+a+", "+c+") typeof value "+typeof c);var b;if(a)if(0>a.indexOf("."))g[a]=c;else{var e=a.split(".");if("object"!==typeof g[e[0]]||null===g[e[0]])g[e[0]]={};b=g[e[0]];for(var d=1;d<e.length-1;d++)if("object"!==typeof b[e[d]]||null===b[e[d]])b[e[d]]={},b=b[e[d]];b[e[d]]=c}else console.log("CTATVariableTable.put() warning: null or empty variable name '"+
+a+"'");return f};this.getTable=function(){return g};this.setTable=function(a){g=a};this.get=function(a){if(0>a.indexOf("."))return null===g[a]||"undefined"===typeof g[a]?null:g[a];var c=a.split(".");if(null===g[c[0]]||"undefined"===typeof g[c[0]])return null;a=g[c[0]];for(var b=1;b<c.length-1;b++){if(null===a[c[b]]||"undefined"===typeof a[c[b]])return null;a=a[c[b]]}return null===a[c[b]]||"undefined"===typeof a[c[b]]?null:a[c[b]]}};
+Object.defineProperty(CTATVariableTable,"serialVersionUID",{enumerable:!1,configurable:!1,writable:!1,value:"201403071830L"});CTATVariableTable.standardizeType=function(a){if("string"!=typeof a||1>a.trim().length)return a;if((!0).toString()==a)return!0;if((!1).toString()==a)return!1;if("null"==a)return null;var g=Number(a);return isNaN(g)?a:g};CTATVariableTable.valueAsString=function(a){return"string"==typeof a?a:String(a)};CTATVariableTable.nameAsString=function(a){return a?a+"_String":null};
+CTATVariableTable.prototype=Object.create(CTATBase.prototype);CTATVariableTable.prototype.constructor=CTATVariableTable;"undefined"!==typeof module&&(module.exports=CTATVariableTable);var CTATMatcher=function(a,g,f){CTATBase.call(this,"CTATMatcher","");this.lastResult=null;var d=new CTATSAI("","",""),c=f,b=CTATMsgType.DEFAULT_ACTOR,e=!1,h=this;this.resetMatcher=function(){};this.MatcherSAItoXML=function(b){return b+"<matcher>\n"+(b+"    <matcherType>Matcher</matcherType>\n")+(b+'    <matcherParameter name="single">null</matcherParameter>\n')+(b+"</matcher>\n")};this.getSelection=function(){return h.getDefaultSelection()};this.getAction=function(){return h.getDefaultAction()};this.getInput=
+function(){return h.getDefaultInput()};this.getActor=function(){return b};this.setCaseInsensitive=function(b){c=b};this.getEvaluatedInput=function(b,a){return h.getInput()};this.getTraversalIncrement=function(){return 1};this.getTutorSAI=function(b,a,c){b=String(c).toLowerCase()==CTATExampleTracerLink.CORRECT_ACTION.toLowerCase()?b:h.getDefaultSAI();console.log("CTATMatcher.getTutorSAI() superclass method called, should be subclass;\n  returning: "+b);return b};this.getDefaultSelection=function(){return h.getDefaultSAI().getSelection()};
+this.getDefaultAction=function(){return h.getDefaultSAI().getAction()};this.getDefaultInput=function(){return h.getDefaultSAI().getInput()};this.getDefaultSAI=function(){return d};this.setDefaultSAI=function(b){d=b};this.getDefaultActor=function(){switch(String(getActor()).toLowerCase()){case CTATMsgType.DEFAULT_STUDENT_ACTOR.toLowerCase():return CTATMsgType.DEFAULT_STUDENT_ACTOR;case CTATMsgType.DEFAULT_TOOL_ACTOR.toLowerCase():return CTATMsgType.DEFAULT_TOOL_ACTOR;case CTATMsgType.UNGRADED_TOOL_ACTOR.toLowerCase():return CTATMsgType.DEFAULT_TOOL_ACTOR;
+case CTATMsgType.ANY_ACTOR.toLowerCase():return CTATMsgType.DEFAULT_TOOL_ACTOR;default:return console.log("CTATMatcher.getDefaultActor() unexpected value for actor: "+b+"; returning "+CTATMsgType.DEFAULT_ACTOR),CTATMsgType.DEFAULT_ACTOR}};this.getInput=function(){return h.getDefaultInput()};this.getCaseInsensitive=function(){return c};this.match=function(b,a,c,e,d){console.log("CTATMatcher superclass method called: match("+b+", "+a+", "+c+", "+e+")");return!1};this.matchForHint=function(b,a,c,e){console.log("CTATMatcher superclass method called: matchForHint("+
+b+", "+a+", "+c+", vt)");return!1};this.matchActor=function(b){b=String(b).toUpperCase();var a=String(h.getActor()).toUpperCase();ctatdebug("CTATMatcher.matchActor("+b+") myActor is "+a);return CTATMsgType.ANY_ACTOR.toString().toUpperCase()==a||CTATMsgType.UNGRADED_TOOL_ACTOR.toString().toUpperCase()==a&&CTATMsgType.DEFAULT_TOOL_ACTOR.toString().toUpperCase()==b||CTATMsgType.UNGRADED_TOOL_ACTOR.toString().toUpperCase()==b&&CTATMsgType.DEFAULT_TOOL_ACTOR.toString().toUpperCase()==a?!0:a==b};this.getDefaultSelectionArray=
+function(){return h.getDefaultSAI().getSelectionArray()};this.getDefaultActionArray=function(){return h.getDefaultSAI().getActionArray()};this.getDefaultInputArray=function(){return h.getDefaultSAI().getInputArray()};this.getLastResult=function(){return null===h.lastResult||"undefined"===typeof h.lastResult?"":h.lastResult.toString()};this.setActor=function(a){ctatdebug("CTATMatcher --\x3e in setActor("+a+")");if(null===a||"undefined"===typeof a)a=CTATMsgType.DEFAULT_ACTOR;a=String(a).toLowerCase().trim();
+b="tool"==a?CTATMsgType.DEFAULT_TOOL_ACTOR:a==CTATMsgType.DEFAULT_STUDENT_ACTOR.toLowerCase()?CTATMsgType.DEFAULT_STUDENT_ACTOR:a==CTATMsgType.DEFAULT_TOOL_ACTOR.toLowerCase()?CTATMsgType.DEFAULT_TOOL_ACTOR:a==CTATMsgType.UNGRADED_TOOL_ACTOR.toLowerCase()?CTATMsgType.UNGRADED_TOOL_ACTOR:a==CTATMsgType.ANY_ACTOR.toLowerCase()?CTATMsgType.ANY_ACTOR:CTATMsgType.DEFAULT_ACTOR};this.array2ConcatString=function(b){var a="";if(null==b)return a;if(!Array.isArray(b))return b.toString();b.forEach(function(b){null!=
+b&&(a+=b.toString()+"\n")});return a.substring(0,0<a.length?a.length-1:0)};this.matchConcatenation=function(b){return h.matchSingle(h.array2ConcatString(b))};this.isLinkTriggered=function(){return e};this.setLinkTriggered=function(b){e=b};this.evaluateReplacement=function(b,a,c){return""};this.replaceInput=function(){return!!h.getReplacementFormula()};this.getReplacementFormula=function(){return""}};
+CTATMatcher.prototype.toString=function(){console.log("Error: CTATMatcher.toString() called; should be overridden in subclass");return"This is CTATMatcher."};CTATMatcher.prototype.setParameter=function(a,g,f){};CTATMatcher.isTutorActor=function(a,g){return CTATMsgType.DEFAULT_TOOL_ACTOR.toUpperCase()===a.toUpperCase()||CTATMsgType.UNGRADED_TOOL_ACTOR.toUpperCase()===a.toUpperCase()||g&&CTATMsgType.ANY_ACTOR.toUpperCase()===a.toUpperCase()?!0:!1};
+Object.defineProperty(CTATMatcher,"NON_SINGLE",{enumerable:!1,configurable:!1,writable:!1,value:-1});Object.defineProperty(CTATMatcher,"SELECTION",{enumerable:!1,configurable:!1,writable:!1,value:0});Object.defineProperty(CTATMatcher,"ACTION",{enumerable:!1,configurable:!1,writable:!1,value:1});Object.defineProperty(CTATMatcher,"INPUT",{enumerable:!1,configurable:!1,writable:!1,value:2});Object.defineProperty(CTATMatcher,"VECTOR",{enumerable:!1,configurable:!1,writable:!1,value:3});
+Object.defineProperty(CTATMatcher,"ACTOR",{enumerable:!1,configurable:!1,writable:!1,value:"Actor"});CTATMatcher.prototype=Object.create(CTATBase.prototype);CTATMatcher.prototype.constructor=CTATMatcher;"undefined"!==typeof module&&(module.exports=CTATMatcher);var CTATTreeNode={};
+(function(){var a;a=function(){function a(){}a.operators=[["CONST"],["VAR"],["EXP","ROOT"],["UPLUS","UMINUS"],["ITIMES","TIMES","DIVIDE"],["IDIVIDE","REM"],["PLUS","MINUS"],"LESS LESSEQUAL EQUAL NOTEQUAL GREATEREQUAL GREATER".split(" ")];a.relationalOperators="LESS LESSEQUAL EQUAL NOTEQUAL GREATEREQUAL GREATER".split(" ");a.operatorPrecedence=function(a,d){return Math.sign(this.operators.findIndex(function(c){return c.includes(a)})-this.operators.findIndex(function(a){return a.includes(d)}))};a.operatorStrings=
+{EXP:"^",ROOT:"|",UPLUS:"+",UMINUS:"-",ITIMES:"",TIMES:"*",DIVIDE:"/",IDIVIDE:"//",REM:"%",PLUS:"+",MINUS:"-",LESS:"<",LESSEQUAL:"<=",EQUAL:"=",NOTEQUAL:"!=",GREATEREQUAL:">=",GREATER:">"};a.toOperatorString=function(a){return this.operatorStrings[a]||""};a.diff=function(a,d){return a.filter(function(a){return!d.includes(a)})};a.prototype.toString=function(a){var d,c;this.checkParens()&&(a="("+a+")");this.inverted()&&(a="1/"+a);this.negated()&&(a="-"+a);d=0;for(c=this.parens;0<=c?d<c:d>c;0<=c?++d:
+--d)a="("+a+")";return a};a.prototype.setParens=function(a,d){null==d&&(d=!1);this.checkParens(a,d)&&(this.parens=1);return this};a.prototype.checkParens=function(f,d){var c;null==d&&(d=!1);null!=f?c=this.negated()?"UMINUS":this.inverted()?"DIVIDE":this.operator:(f=this.negated()?"MINUS":this.inverted()?"DIVIDE":null,c=this.operator);c=a.operatorPrecedence(f,c);return null!=f&&(0>c||0===c&&d)};a.prototype.evaluate=function(a){return this.sign*Math.pow(a,this.exp)};a.prototype.applyOperator=function(a,
+d){switch(this.operator){case "LESS":return a<d;case "GREATER":return a>d;case "LESSEQUAL":return a<=d;case "GREATEREQUAL":return a>=d;case "EQUAL":return a===d;case "NOTEQUAL":return a!==d;case "PLUS":return a+d;case "MINUS":return a-d;case "TIMES":case "ITIMES":return a*d;case "DIVIDE":return a/d;case "EXP":return Math.pow(a,d);case "ROOT":return Math.pow(a,1)/d;case "REM":return a%d;case "IDIVIDE":return Math.floor(a/d);case "UPLUS":return a;case "UMINUS":return-a}};a.prototype.equals=function(a){return a&&
+this.operator===a.operator&&this.sign===a.sign&&this.exp===a.exp&&this.parens===a.parens};a.prototype.simplify=function(a){this.methods=a;return this.simplifyNode(this.methods)};a.prototype.simplifyNode=function(a){var d,c,b,e;this.methods=a;e=this;b=this.methods;a=0;for(d=b.length;a<d;a++)c=b[a],e=e[c].call(e),e.methods=this.methods;delete e.methods;return e};a.prototype.simpleFlatten=function(){return this};a.prototype.flatten=function(){return this};a.prototype.computeConstants=function(){return this};
+a.prototype.combineSimilar=function(){return this};a.prototype.expand=function(){return this};a.prototype.distribute=function(){return this};a.prototype.removeIdentity=function(){return this};a.prototype.sort=function(){return this};a.prototype.spreadIdentity=function(){return this};a.prototype.stripIdentity=function(){return this};a.prototype.multiplyOne=function(a){null==a&&(a=!1);return(new CTATMultiplicationNode("TIMES",[new CTATConstantNode(1,a),this])).popNegation().pushNegation()};a.prototype.powerOne=
+function(a){null==a&&(a=!1);return(new CTATPowerNode("EXP",this,new CTATConstantNode(1,a))).popInversion().pushInversion().popNegation()};a.prototype.compare=function(f,d){return a.operatorPrecedence(this.operator,f.operator)};a.prototype.compareSigns=function(a,d){return(Math.sign(this.sign-a.sign)||Math.sign(this.exp-a.exp))*d};a.prototype.countVariables=function(){return 0};a.prototype.pushNegation=function(){return this};a.prototype.popNegation=function(){return this};a.prototype.pushInversion=
+function(){return this};a.prototype.popInversion=function(){return this};a.prototype.negate=function(){this.sign=-this.sign;return this};a.prototype.invert=function(){this.exp=-this.exp;return this};a.prototype.addition=function(){return"PLUS"===this.operator};a.prototype.subtraction=function(){return"MINUS"===this.operator};a.prototype.multiplication=function(){return"TIMES"===this.operator};a.prototype.division=function(){return"DIVIDE"===this.operator};a.prototype.intDivision=function(){return"IDIVIDE"===
+this.operator};a.prototype.power=function(){return"EXP"===this.operator};a.prototype.root=function(){return"ROOT"===this.operator};a.prototype.negation=function(){return"UMINUS"===this.operator};a.prototype.unary=function(){var a;return"UPLUS"===(a=this.operator)||"UMINUS"===a};a.prototype.constant=function(a){return!1};a.prototype.integer=function(){return!1};a.prototype.negated=function(){return 0>this.sign};a.prototype.inverted=function(){return 0>this.exp};a.prototype.parented=function(){return 0<
+this.parens};a.prototype.even=function(){return!1};return a}();"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATTreeNode=a}).call(this);var CTATRelationNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var e in c)f.call(c,e)&&(a[e]=c[e]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(b,a,c,d,f,g){this.operator=b;this.left=a;this.right=c;this.parens=null!=d?d:0;this.sign=null!=f?f:1;this.exp=null!=g?g:1}g(c,a);c.prototype.clone=function(){return new c(this.operator,this.left.clone(),this.right.clone(),this.parens,this.sign,this.exp)};c.prototype.toString=
+function(){this.left.setParens(this.operator);this.right.setParens(this.operator);return c.__super__.toString.call(this,""+this.left.toString()+CTATTreeNode.toOperatorString(this.operator)+this.right.toString())};c.prototype.evaluate=function(){return this.applyOperator(this.left.evaluate(),this.right.evaluate())};c.prototype.equals=function(b){return c.__super__.equals.call(this,b)&&this.left.equals(b.left)&&this.right.equals(b.right)};c.prototype.simplify=function(b){this.methods=b;this.left=this.left.simplify(this.methods);
+this.right=this.right.simplify(this.methods);return c.__super__.simplify.apply(this,arguments)};c.prototype.computeConstants=function(){return this.left.constant()&&this.right.constant()?new CTATConstantNode(this.evaluate()):this};c.prototype.sort=function(){var b;switch(this.operator){case "GREATER":this.operator="LESS";b=[this.right,this.left];this.left=b[0];this.right=b[1];break;case "GREATEREQUAL":this.operator="LESSEQUAL";b=[this.right,this.left];this.left=b[0];this.right=b[1];break;case "EQUAL":case "NOTEQUAL":0>
+this.left.compare(this.right)&&(b=[this.right,this.left],this.left=b[0],this.right=b[1])}return this};c.prototype.countVariables=function(){return this.left.countVariables()+this.right.countVariables()};return c}(CTATTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATRelationNode=a}).call(this);var CTATAdditionNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var e in c)f.call(c,e)&&(a[e]=c[e]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(b,a,c,d,f){this.operator=b;this.terms=a;this.parens=null!=c?c:0;this.sign=null!=d?d:1;this.exp=null!=f?f:1}g(c,a);c.prototype.clone=function(){return new c(this.operator,this.terms.map(function(b){return b.clone()}),this.parens,this.sign,this.exp)};c.prototype.toString=function(){return c.__super__.toString.call(this,
+this.terms.reduce(function(b){return function(a,c){c.setParens(b.operator);return""+a+(a&&!c.negated()?"+":"")+c.toString()}}(this)))};c.prototype.evaluate=function(){return c.__super__.evaluate.call(this,this.terms.reduce(function(b){return function(a,c){return b.applyOperator(a,c.evaluate())}}(this),0))};c.prototype.equals=function(b){return c.__super__.equals.call(this,b)&&this.terms.length===b.terms.length&&this.terms.every(function(a,c){return a.equals(b.terms[c])})};c.prototype.simplify=function(b){this.methods=
+b;this.terms=this.terms.map(function(b){return function(a){return a.simplify(b.methods)}}(this));return c.__super__.simplify.apply(this,arguments)};c.prototype.simpleFlatten=function(){this.terms[0].negation()&&!this.terms[0].inverted()&&(this.terms[0]=this.terms[0].base.negate());this.subtraction()&&(this.terms[1].negate(),this.operator="PLUS");this.terms=this.terms.reduce(function(b,a){a.inverted()||a.parented()||!a.addition()?b.push(a):b.push.apply(b,a.pushNegation().terms);return b},[]);return this};
+c.prototype.flatten=function(){this.simpleFlatten();return this.pushNegation()};c.prototype.computeConstants=function(){var b,a;0<=(a=this.terms.findIndex(function(b){return b.constant()}))&&(b=this.terms[a].evaluate(),this.terms=this.terms.filter(function(c,e){return e<=a||!c.constant()||(b+=c.evaluate())&&!1}),0===b&&1<this.terms.length?this.terms.splice(a,1):this.terms[a].set(b));return 1<this.terms.length?this:this.pushInversion().terms[0]};c.prototype.combineSimilar=function(){var b;b=[];this.terms.forEach(function(a){var c,
+e;e=a.constant()?[null,a]:(a=a.multiplyOne(),[a,a.factors.shift()]);return(c=b.find(function(b){var a;return null!=(a=b[0])?a.equals(e[0]):void 0}))?c[1]+=e[1].evaluate():b.push([e[0],e[1].evaluate()])});this.terms=b.reduce(function(b,a){0!==a[1]&&(a[1]=(new CTATConstantNode(a[1])).popNegation(),a[0]?(a[0].factors.unshift(a[1]),b.push(a[0].removeIdentity())):b.push(a[1]));return b},[]);if(1<this.terms.length)return this;1!==this.terms.length&&(this.terms[0]=new CTATConstantNode(0));return this.pushInversion().terms[0]};
+c.prototype.removeIdentity=function(b){var a;null==b&&(b=!1);a=this.terms.filter(function(a){return!a.constant(0,b)});this.terms=a.length?a:this.terms.slice(0,1);return 1<this.terms.length?this:this.pushInversion().terms[0]};c.prototype.sort=function(){this.spreadIdentity();this.terms=this.terms.sort(function(b,a){return-b.compare(a,!0)});return this.stripIdentity()};c.prototype.spreadIdentity=function(){this.terms=this.terms.map(function(b){return b.multiplyOne(!0)});return this};c.prototype.stripIdentity=
+function(){this.terms=this.terms.map(function(b){return b.removeIdentity(!0)});return this};c.prototype.compare=function(b,a){var e;return(e=c.__super__.compare.apply(this,arguments))||this.countVariables()-b.countVariables()||this.terms.some(function(c,d){return e=c.compare(b.terms[d],a)})&&e||this.compareSigns(b,a)};c.prototype.countVariables=function(){return this.terms.reduce(function(b,a){return b+a.countVariables()},0)};c.prototype.pushNegation=function(){this.negated()&&(this.negate(),this.terms.forEach(function(b){return b.negate()}));
+return this};c.prototype.popNegation=function(){this.terms[0].negated()&&(this.negate(),this.terms.forEach(function(b){return b.negate()}));return this};c.prototype.pushInversion=function(){this.inverted()&&(this.invert(),this.terms[0].invert());return this};c.prototype.even=function(){return!this.inverted&&this.terms.every(function(b){return b.even()})};return c}(CTATTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATAdditionNode=a}).call(this);var CTATMultiplicationNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var e in c)f.call(c,e)&&(a[e]=c[e]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(b,a,c,d,f){this.operator=b;this.factors=a;this.parens=null!=c?c:0;this.sign=null!=d?d:1;this.exp=null!=f?f:1}g(c,a);c.prototype.clone=function(){return new c(this.operator,this.factors.map(function(b){return b.clone()}),this.parens,this.sign,this.exp)};c.prototype.toString=
+function(){return c.__super__.toString.call(this,this.factors.reduce(function(b){return function(a,c){var e,d;d=c.inverted()?(c.invert(),c.setParens("DIVIDE",!!a),e=c.toString(),c.invert(),"/"):(c.setParens(b.operator,!!a),/^[\d+-]/.test(e=c.toString())&&/\d$/.test(a)?"*":"");return""+a+d+e}}(this),this.factors[0].inverted()?"1":""))};c.prototype.evaluate=function(){return c.__super__.evaluate.call(this,this.factors.reduce(function(b){return function(a,c){return b.applyOperator(a,c.evaluate())}}(this),
+1))};c.prototype.equals=function(b){return c.__super__.equals.call(this,b)&&this.factors.length===b.factors.length&&this.factors.every(function(a,c){return a.equals(b.factors[c])})};c.prototype.simplify=function(b){this.methods=b;this.factors=this.factors.map(function(b){return function(a){return a.simplify(b.methods)}}(this));return c.__super__.simplify.apply(this,arguments)};c.prototype.simpleFlatten=function(){this.division()&&this.factors[1].invert();this.operator="TIMES";this.factors=this.factors.reduce(function(b,
+a){a.parented()||!a.multiplication()?b.push(a):b.push.apply(b,a.pushNegation().pushInversion().factors);return b},[]);return this};c.prototype.flatten=function(){this.simpleFlatten();return this.popNegation()};c.prototype.computeConstants=function(){var b,a;0<=(a=this.factors.findIndex(function(b){return b.constant()}))&&(b=this.factors[a].evaluate(),this.factors=this.factors.filter(function(c,e){return e<=a||!c.constant()||(b*=c.evaluate())&&!1}),1===b&&1<this.factors.length?this.factors.splice(a,
+1):this.factors[a].set(b));return 1<this.factors.length?this:this.pushNegation().pushInversion().factors[0]};c.prototype.combineSimilar=function(){var b;b=[];this.factors.forEach(function(a){var c,e,d,f;f=a.constant()?[null,a]:a.power()?a.exponent.constant()?(a.pushInversion(),[a.base,a.exponent]):(a.exponent=a.exponent.multiplyOne(),[a,a.exponent.factors.shift()]):(a=a.powerOne(),[a.base,a.exponent]);return(c=b.find(function(b){var a;return null!=(a=b[0])?a.equals(f[0]):void 0}))?c[1]+=(null!=(e=
+f[1])?e.evaluate():void 0)||1:b.push([f[0],(null!=(d=f[1])?d.evaluate():void 0)||1])});this.factors=b.reduce(function(b,a){0!==a[1]&&(a[1]=(new CTATConstantNode(a[1])).popNegation(),a[0]?a[1].constant(1)?b.push(a[0]):a[1].constant(-1)?b.push(a[0].invert()):a[0].power()?(a[0].exponent.factors.unshift(a[1]),b.push(a[0])):b.push((new CTATPowerNode("EXP",a[0],a[1])).popInversion()):b.push(a[1]));return b},[]);if(1<this.factors.length)return this;1!==this.factors.length&&(this.factors[0]=new CTATConstantNode(1));
+return this.pushNegation().pushInversion().factors[0]};c.prototype.distribute=function(){var b,a;b=this.factors.filter(function(b){return!b.inverted()});a=this.factors.filter(function(b){return b.inverted()});return!this.distributedOrSingle(b)||!this.distributedOrSingle(a)||this.single(b)&&a.length&&this.distributed(a)?(this.distributed(a)?(b=this.distributeFactors(this.factors),a=[]):this.distributed(b)?(a=this.distributeFactors(this.factors),b=[]):(b=this.distributeFactors(b),a=this.distributeFactors(a)),
+this.factors=a.length?b.length?[this.packTerms(b),this.packTerms(a).invert()]:[this.packTerms(a).invert()]:[this.packTerms(b)],1<this.factors.length?this:this.pushNegation().pushInversion().factors[0]):this};c.prototype.distributedOrSingle=function(b){return this.distributed(b)||this.single(b)};c.prototype.distributed=function(b){return b.every(function(b){return!b.addition()})};c.prototype.single=function(b){return 1===b.length&&b[0].addition()};c.prototype.distributeFactors=function(b){var a;a=
+b[0].addition()?b[0].terms.map(function(b){return b.multiplication()?b.pushNegation().factors:[b]}):[[b[0]]];b.slice(1).forEach(function(b){var c;return b.addition()?1===a.length?a=b.terms.map(function(b){var c;c=a[0].map(function(b){return b.clone()});b.multiplication()?c.push.apply(c,b.pushNegation().factors):c.push(b);return c}):a=a.reduce(function(a,c){a.push.apply(a,b.terms.map(function(b){var a;a=c.map(function(b){return b.clone()});b.multiplication()?a.push.apply(a,b.pushNegation().factors.map(function(b){return b.clone()})):
+a.push(b.clone());return a}));return a},[]):1===a.length?b.multiplication()?(c=a[0]).push.apply(c,b.pushNegation().factors):a[0].push(b):a.forEach(function(c,e){var d;return b.multiplication()?(d=a[e]).push.apply(d,b.pushNegation().factors.map(function(b){return b.clone()})):a[e].push(b.clone())})});return a};c.prototype.packTerms=function(b){var a;a=CTATTreeNode.diff(this.methods,["flatten","distribute"]);return(new CTATAdditionNode("PLUS",b.map(function(b){return(new c("TIMES",b)).popNegation().simplifyNode(a)}))).simplifyNode(a)};
+c.prototype.removeIdentity=function(b){var a;null==b&&(b=!1);this.popNegation();a=this.factors.filter(function(a){return!a.constant(1,b)});this.factors=a.length?a:this.factors.slice(0,1);(a=this.factors.find(function(a){return a.constant(0,b)}))&&this.factors.every(function(b){return!b.inverted()&&(!b.power()||b.exponent.constant())})&&(this.factors=[a]);return 1<this.factors.length?this:this.pushNegation().pushInversion().factors[0]};c.prototype.sort=function(){this.spreadIdentity();this.factors=
+this.factors.sort(function(b,a){return b.compare(a)});return this.stripIdentity()};c.prototype.spreadIdentity=function(){this.factors=this.factors.map(function(b){return b.powerOne(!0)});return this};c.prototype.stripIdentity=function(){this.factors=this.factors.map(function(b){return b.removeIdentity(!0)});return this.popNegation()};c.prototype.multiplyOne=function(b){null==b&&(b=!1);this.factors[0].constant()||this.factors.unshift(new CTATConstantNode(1,b));return this.pushNegation()};c.prototype.compare=
+function(b,a){var e,d;return(d=c.__super__.compare.apply(this,arguments))||this.countVariables()-b.countVariables()||(e=b.factors.slice(0).reverse())&&this.factors.slice(0).reverse().some(function(b,c){return d=b.compare(e[c],a)})&&d||this.compareSigns(b,a)};c.prototype.countVariables=function(){return this.factors.reduce(function(b,a){return b+a.countVariables()},0)};c.prototype.pushNegation=function(){this.negated()&&(this.negate(),this.factors[0].negate());return this};c.prototype.popNegation=
+function(){this.factors.forEach(function(b){return function(a){if(a.negated())return b.negate(),a.negate()}}(this));return this};c.prototype.pushInversion=function(){this.inverted()&&(this.invert(),this.factors.forEach(function(b){return b.invert()}));return this};c.prototype.even=function(){return!this.inverted()&&this.factors.every(function(b){return b.integer()})&&this.factors.some(function(b){return b.even()})};return c}(CTATTreeNode);"undefined"!==typeof module&&null!==module?module.exports=
+a:this.CTATMultiplicationNode=a}).call(this);var CTATIntDivisionNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var e in c)f.call(c,e)&&(a[e]=c[e]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(b,a,c,d,f,g){this.operator=b;this.dividend=a;this.divisor=c;this.parens=null!=d?d:0;this.sign=null!=f?f:1;this.exp=null!=g?g:1}g(c,a);c.prototype.clone=function(){return new c(this.operator,this.dividend.clone(),this.divisor.clone(),this.parens,this.sign,this.exp)};c.prototype.toString=
+function(){this.dividend.setParens(this.operator);this.divisor.setParens(this.operator,!0);return c.__super__.toString.call(this,""+this.dividend.toString()+CTATTreeNode.toOperatorString(this.operator)+this.divisor.toString())};c.prototype.evaluate=function(){return c.__super__.evaluate.call(this,this.applyOperator(this.dividend.evaluate(),this.divisor.evaluate()))};c.prototype.equals=function(b){return c.__super__.equals.call(this,b)&&this.dividend.equals(b.dividend)&&this.divisor.equals(b.divisor)};
+c.prototype.simplify=function(b){this.methods=b;this.dividend=this.dividend.simplify(this.methods);this.divisor=this.divisor.simplify(this.methods);return c.__super__.simplify.apply(this,arguments)};c.prototype.computeConstants=function(){return this.dividend.constant()&&this.divisor.constant()?new CTATConstantNode(this.evaluate()):this};c.prototype.removeIdentity=function(b){null==b&&(b=!1);return this.divisor.constant(1,b)?(this.intDivision()||(this.dividend=new CTATConstantNode(0,b)),this.pushNegation().pushInversion().dividend):
+this.popNegation()};c.prototype.compare=function(b,a){return c.__super__.compare.apply(this,arguments)||this.dividend.compare(b.dividend,a)||this.divisor.compare(b.divisor,a)||this.operator!==b.operator&&(this.intDivision()&&-1||1)||this.compareSigns(b,a)};c.prototype.countVariables=function(){return this.dividend.countVariables()+divisor.countVariables()};c.prototype.pushNegation=function(){this.intDivision()&&this.negated()&&(this.negate(),this.dividend.negate());return this};c.prototype.pushInversion=
+function(){this.intDivision()&&this.inverted()&&(this.invert(),this.dividend.invert());return this};c.prototype.popNegation=function(){this.divisor.negated()&&(this.divisor.negate(),this.intDivision()&&this.dividend.negate());return this};c.prototype.even=function(){return!this.inverted&&"REM"===this.operator&&this.dividend.even()&&this.divisor.even()};return c}(CTATTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATIntDivisionNode=a}).call(this);var CTATUnaryNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var e in c)f.call(c,e)&&(a[e]=c[e]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(b,a,c,d,f){this.operator=b;this.base=a;this.parens=null!=c?c:0;this.sign=null!=d?d:1;this.exp=null!=f?f:1}g(c,a);c.prototype.clone=function(){return new c(this.operator,this.base,this.parens,this.sign,this.exp)};c.prototype.toString=function(){this.base.setParens(this.operator);return c.__super__.toString.call(this,
+""+CTATTreeNode.toOperatorString(this.operator)+this.base.toString())};c.prototype.evaluate=function(){return c.__super__.evaluate.call(this,this.applyOperator(this.base.evaluate()))};c.prototype.equals=function(b){return c.__super__.equals.call(this,b)&&this.base.equals(b.base)};c.prototype.simplify=function(b){this.methods=b;this.base=this.base.simplify(this.methods);return c.__super__.simplify.apply(this,arguments)};c.prototype.flatten=function(){this.negation()&&(this.negate(),this.operator="UPLUS");
+return this.pushNegation().pushInversion().base};c.prototype.compare=function(b,a){return b.unary()&&this.base.compare(b.base,a)||c.__super__.compare.apply(this,arguments)||this.compareSigns(b,a)};c.prototype.countVariables=function(){return this.base.countVariables()};c.prototype.pushNegation=function(){this.negated()&&(this.negate(),this.base.negate());return this};c.prototype.pushInversion=function(){this.inverted()&&(this.invert(),this.base.invert());return this};c.prototype.constant=function(b,
+a){null==a&&(a=!1);return this.base.constant(b,a)};return c}(CTATTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATUnaryNode=a}).call(this);var CTATPowerNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var e in c)f.call(c,e)&&(a[e]=c[e]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(b,a,c,d,f,g){this.operator=b;this.base=a;this.exponent=c;this.parens=null!=d?d:0;this.sign=null!=f?f:1;this.exp=null!=g?g:1}g(c,a);c.prototype.clone=function(){return new c(this.operator,this.base.clone(),this.exponent.clone(),this.parens,this.sign,this.exp)};c.prototype.toString=
+function(){this.base.setParens(this.operator);this.exponent.setParens(this.operator);return c.__super__.toString.call(this,""+this.base.toString()+CTATTreeNode.toOperatorString(this.operator)+this.exponent.toString())};c.prototype.evaluate=function(){return c.__super__.evaluate.call(this,this.applyOperator(this.base.evaluate(),this.exponent.evaluate()))};c.prototype.equals=function(b){return c.__super__.equals.call(this,b)&&this.base.equals(b.base)&&this.exponent.equals(b.exponent)};c.prototype.simplify=
+function(b){this.methods=b;this.base=this.base.simplify(this.methods);this.exponent=this.exponent.simplify(this.methods);return c.__super__.simplify.apply(this,arguments)};c.prototype.flatten=function(){var b,a;this.root()&&(this.exponent.invert(),this.operator="EXP");this.popNegation().popInversion();return this.base.power()?(a=CTATTreeNode.diff(this.methods,["flatten"]),b=this.base.exponent.multiplication()?this.base.exponent.pushNegation().pushInversion().factors:[this.base.exponent],this.exponent.multiplication()?
+b.push.apply(b,this.exponent.pushNegation().pushInversion().factors):b.push(this.exponent),this.base.exponent=(new CTATMultiplicationNode("TIMES",b)).simplifyNode(a),this.pushBaseNegation().pushBaseInversion().base):this};c.prototype.computeConstants=function(){return this.base.constant()&&(this.exponent.constant()||this.exponent.multiplication()&&this.exponent.factors[0].constant())?(this.exponent.constant()?(this.base=new CTATConstantNode(this.evaluate()),this.exponent=null):(this.base=new CTATConstantNode((new c("EXP",
+this.base,this.exponent.factors.shift())).evaluate()),1===this.exponent.factors.length&&(this.exponent=this.exponent.pushNegation().pushInversion().factors[0])),this.exponent?this:this.pushBaseNegation().pushBaseInversion().base):this};c.prototype.powerOne=function(b){null==b&&(b=!1);this.exponent=this.exponent.multiplyOne(b);return this.pushInversion()};c.prototype.expand=function(){var b,a,c;if(this.base.addition()&&(this.exponent.integer()&&1<this.exponent.value||this.exponent.multiplication()&&
+this.exponent.factors[0].integer()&&1<this.exponent.factors[0].value)){this.exponent.integer()?(b=this.exponent,this.exponent=null):(b=this.exponent.factors.shift(),1===this.exponent.factors.length&&(this.exponent=this.exponent.pushNegation().pushInversion().factors[0]));a=[this.base];c=1;for(b=b.evaluate();1<=b?c<b:c>b;1<=b?++c:--c)a.push(this.base.clone());this.base=(new CTATMultiplicationNode("TIMES",a)).simplifyNode(["distribute"]);return this.exponent?this:this.pushBaseNegation().pushBaseInversion().base}return this};
+c.prototype.distribute=function(){var b;return this.base.multiplication()||this.exponent.addition()?(b=this.base.multiplication()?this.base.pushNegation().pushInversion().factors:[this.base],b=this.exponent.addition()?b.reduce(function(b){return function(a,c){a.push.apply(a,b.exponent.terms.map(function(b){return[c.clone(),b.clone()]}));return a}}(this),[]):b.map(function(b){return function(a){return[a,b.exponent.clone()]}}(this)),this.base=this.packFactors(b),this.pushBaseNegation().pushBaseInversion().base):
+this};c.prototype.packFactors=function(b){var a;a=CTATTreeNode.diff(this.methods,["flatten"]);return new CTATMultiplicationNode("TIMES",b.map(function(b){return(new c("EXP",b[0],b[1])).simplifyNode(a)}))};c.prototype.removeIdentity=function(b){null==b&&(b=!1);this.popInversion();if(this.exponent.constant(0,b))return this.base=new CTATConstantNode(1,b),this.pushBaseNegation().base;if(this.base.constant(0,b))return this.pushBaseInversion().base;if(this.exponent.constant(1,b))return this.pushBaseNegation().pushBaseInversion().base;
+this.exponent=this.exponent.removeIdentity(b);return this};c.prototype.compare=function(b,a){return c.__super__.compare.apply(this,arguments)||(this.countVariables()-b.countVariables())*(a?-1:1)||this.exponent.compare(b.exponent,a)||this.base.compare(b.base,a)||this.compareSigns(b,a)};c.prototype.countVariables=function(){return this.base.countVariables()*(this.exponent.constant()?Math.abs(this.exponent.evaluate()):Infinity)};c.prototype.pushBaseNegation=function(){this.negated()&&(this.negate(),
+this.base.negate());return this};c.prototype.pushInversion=function(){this.inverted()&&(this.invert(),this.exponent.negate());return this};c.prototype.pushBaseInversion=function(){this.inverted()&&(this.invert(),this.base.invert());return this};c.prototype.popNegation=function(){this.base.negated()&&this.exponent.constant()&&(this.base.negate(),this.exponent.even()||this.negate());return this};c.prototype.popInversion=function(){this.exponent.negated()&&(this.invert(),this.exponent.negate());this.base.inverted()&&
+(this.invert(),this.base.invert());return this};c.prototype.even=function(){return!this.inverted()&&this.base.even()&&this.exponent.integer()};return c}(CTATTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATPowerNode=a}).call(this);var CTATVariableNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var e in c)f.call(c,e)&&(a[e]=c[e]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(b,a,c,d,f){this.variableTable=b;this.variable=a;this.parens=null!=c?c:0;this.sign=null!=d?d:1;this.exp=null!=f?f:1;this.operator="VAR"}g(c,a);c.prototype.clone=function(){return new c(this.variableTable,this.variable,this.parens,this.sign,this.exp)};c.prototype.toString=function(){return c.__super__.toString.call(this,
+this.variable)};c.prototype.evaluate=function(){var b;return c.__super__.evaluate.call(this,(null!=(b=this.variableTable)?b.get(this.variable):void 0)||function(){try{return eval(this.variable)}catch(e){return NaN}}.call(this))};c.prototype.equals=function(b){return c.__super__.equals.call(this,b)&&this.variable===b.variable};c.prototype.compare=function(b,a){a=null!=a?-1:1;return c.__super__.compare.apply(this,arguments)||this.variable>b.variable&&a||this.variable<b.variable&&-a||this.compareSigns(b,
+a)};c.prototype.countVariables=function(){return 1};return c}(CTATTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATVariableNode=a}).call(this);var CTATConstantNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var e in c)f.call(c,e)&&(a[e]=c[e]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(b,a,c,d,f){this.value=b;this.marked=null!=a?a:!1;this.parens=null!=c?c:0;this.sign=null!=d?d:1;this.exp=null!=f?f:1;this.operator="CONST"}g(c,a);c.prototype.clone=function(){return new c(this.value,this.marked,this.parens,this.sign,this.exp)};c.prototype.toString=function(){return c.__super__.toString.call(this,
+this.value.toString())};c.prototype.evaluate=function(){return c.__super__.evaluate.call(this,this.value)};c.prototype.equals=function(b){return c.__super__.equals.call(this,b)&&this.value===b.value};c.prototype.multiplyOne=function(){return this};c.prototype.powerOne=function(){return this};c.prototype.compare=function(b,a){a=null!=a?1:-1;return c.__super__.compare.apply(this,arguments)||Math.sign(Math.abs(this.evaluate())-Math.abs(b.evaluate()))*a||this.compareSigns(b,a)};c.prototype.popNegation=
+function(){0>this.value&&(this.negate(),this.value=-this.value);return this};c.prototype.constant=function(b,a){null==a&&(a=!1);return null==b||this.evaluate()===b&&this.marked===a};c.prototype.integer=function(){return Math.floor(this.evaluate())===this.value};c.prototype.even=function(){return 0===this.evaluate()%2};c.prototype.set=function(b){this.exp=1;this.value=Math.abs(b);return this.sign=Math.sign(b)};return c}(CTATTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATConstantNode=
+a}).call(this);var CTATAlgebraGrammar=function(){function a(){this.yy={}}var g=function(b,a,c,e){c=c||{};for(e=b.length;e--;c[b[e]]=a);return c},f=[1,6],d=[1,7],c=[1,10],b=[1,11],e=[1,12],h=[1,13],l=[1,21],m=[1,22],n=[5,7,8,9,10,11,12,13,15,26],p=[1,23],v=[1,24],q=[1,26],u=[1,27],w=[5,7,8,9,10,11,12,13,15,16,18,20,21,24,25,26,27,28],B=[5,7,8,9,10,11,12,13,15,16,18,20,21,23,24,25,26,27,28],g={trace:function(){},yy:{},symbols_:{error:2,expression:3,relational:4,EOF:5,arithmetic:6,LESS:7,GREATER:8,LESSEQUAL:9,GREATEREQUAL:10,
+EQUAL:11,NOTEQUAL:12,PLUS:13,term:14,MINUS:15,TIMES:16,signedfactor:17,DIVIDE:18,factor:19,IDIVIDE:20,REM:21,atom:22,EXP:23,SQRT:24,LPAREN:25,RPAREN:26,VARIABLE:27,NUMBER:28,$accept:0,$end:1},terminals_:{2:"error",5:"EOF",7:"LESS",8:"GREATER",9:"LESSEQUAL",10:"GREATEREQUAL",11:"EQUAL",12:"NOTEQUAL",13:"PLUS",15:"MINUS",16:"TIMES",18:"DIVIDE",20:"IDIVIDE",21:"REM",23:"EXP",24:"SQRT",25:"LPAREN",26:"RPAREN",27:"VARIABLE",28:"NUMBER"},productions_:[0,[3,2],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,1],[6,
+3],[6,3],[6,1],[14,3],[14,3],[14,2],[14,3],[14,3],[14,1],[17,2],[17,2],[17,1],[19,3],[19,2],[19,1],[22,3],[22,1],[22,1]],performAction:function(b,a,c,e,d,f,g){b=f.length-1;switch(d){case 1:return f[b-1];case 2:this.$=new e.CTATRelationNode("LESS",f[b-2],f[b]);break;case 3:this.$=new e.CTATRelationNode("GREATER",f[b-2],f[b]);break;case 4:this.$=new e.CTATRelationNode("LESSEQUAL",f[b-2],f[b]);break;case 5:this.$=new e.CTATRelationNode("GREATEREQUAL",f[b-2],f[b]);break;case 6:this.$=new e.CTATRelationNode("EQUAL",
+f[b-2],f[b]);break;case 7:this.$=new e.CTATRelationNode("NOTEQUAL",f[b-2],f[b]);break;case 8:case 11:case 17:case 20:case 23:this.$=f[b];break;case 9:this.$=new e.CTATAdditionNode("PLUS",[f[b-2],f[b]]);break;case 10:this.$=new e.CTATAdditionNode("MINUS",[f[b-2],f[b]]);break;case 12:this.$=new e.CTATMultiplicationNode("TIMES",[f[b-2],f[b]]);break;case 13:this.$=new e.CTATMultiplicationNode("DIVIDE",[f[b-2],f[b]]);break;case 14:this.$=new e.CTATMultiplicationNode("ITIMES",[f[b-1],f[b]]);break;case 15:this.$=
+new e.CTATIntDivisionNode("IDIVIDE",f[b-2],f[b]);break;case 16:this.$=new e.CTATIntDivisionNode("REM",f[b-2],f[b]);break;case 18:this.$=new e.CTATUnaryNode("UPLUS",f[b]);break;case 19:this.$=new e.CTATUnaryNode("UMINUS",f[b]);break;case 21:this.$=new e.CTATPowerNode("EXP",f[b-2],f[b]);break;case 22:this.$=new e.CTATPowerNode("ROOT",f[b],2);break;case 24:this.$=f[b-1];break;case 25:this.$=new e.CTATVariableNode(e.variableTable,f[b]);break;case 26:this.$=new e.CTATConstantNode(Number(f[b]))}},table:[{3:1,
+4:2,6:3,13:f,14:4,15:d,17:5,19:8,22:9,24:c,25:b,27:e,28:h},{1:[3]},{5:[1,14]},{5:[2,8],7:[1,15],8:[1,16],9:[1,17],10:[1,18],11:[1,19],12:[1,20],13:l,15:m},g(n,[2,11],{22:9,19:25,16:p,18:v,20:q,21:u,24:c,25:b,27:e,28:h}),g(w,[2,17]),{13:f,15:d,17:28,19:8,22:9,24:c,25:b,27:e,28:h},{13:f,15:d,17:29,19:8,22:9,24:c,25:b,27:e,28:h},g(w,[2,20]),g(w,[2,23],{23:[1,30]}),{13:f,15:d,17:31,19:8,22:9,24:c,25:b,27:e,28:h},{6:32,13:f,14:4,15:d,17:5,19:8,22:9,24:c,25:b,27:e,28:h},g(B,[2,25]),g(B,[2,26]),{1:[2,1]},
+{6:33,13:f,14:4,15:d,17:5,19:8,22:9,24:c,25:b,27:e,28:h},{6:34,13:f,14:4,15:d,17:5,19:8,22:9,24:c,25:b,27:e,28:h},{6:35,13:f,14:4,15:d,17:5,19:8,22:9,24:c,25:b,27:e,28:h},{6:36,13:f,14:4,15:d,17:5,19:8,22:9,24:c,25:b,27:e,28:h},{6:37,13:f,14:4,15:d,17:5,19:8,22:9,24:c,25:b,27:e,28:h},{6:38,13:f,14:4,15:d,17:5,19:8,22:9,24:c,25:b,27:e,28:h},{13:f,14:39,15:d,17:5,19:8,22:9,24:c,25:b,27:e,28:h},{13:f,14:40,15:d,17:5,19:8,22:9,24:c,25:b,27:e,28:h},{13:f,15:d,17:41,19:8,22:9,24:c,25:b,27:e,28:h},{13:f,
+15:d,17:42,19:8,22:9,24:c,25:b,27:e,28:h},g(w,[2,14]),{13:f,15:d,17:43,19:8,22:9,24:c,25:b,27:e,28:h},{13:f,15:d,17:44,19:8,22:9,24:c,25:b,27:e,28:h},g(w,[2,18]),g(w,[2,19]),{13:f,15:d,17:45,19:8,22:9,24:c,25:b,27:e,28:h},g(w,[2,22]),{13:l,15:m,26:[1,46]},{5:[2,2],13:l,15:m},{5:[2,3],13:l,15:m},{5:[2,4],13:l,15:m},{5:[2,5],13:l,15:m},{5:[2,6],13:l,15:m},{5:[2,7],13:l,15:m},g(n,[2,9],{22:9,19:25,16:p,18:v,20:q,21:u,24:c,25:b,27:e,28:h}),g(n,[2,10],{22:9,19:25,16:p,18:v,20:q,21:u,24:c,25:b,27:e,28:h}),
+g(w,[2,12]),g(w,[2,13]),g(w,[2,15]),g(w,[2,16]),g(w,[2,21]),g(B,[2,24])],defaultActions:{14:[2,1]},parseError:function(b,a){if(a.recoverable)this.trace(b);else{var c=Error(b);c.hash=a;throw c;}},parse:function(b){var a=[0],c=[null],e=[],d=this.table,f="",g=0,h=0,m=0,l=e.slice.call(arguments,1),n=Object.create(this.lexer),p={},q;for(q in this.yy)Object.prototype.hasOwnProperty.call(this.yy,q)&&(p[q]=this.yy[q]);n.setInput(b,p);p.lexer=n;p.parser=this;"undefined"==typeof n.yylloc&&(n.yylloc={});q=n.yylloc;
+e.push(q);var v=n.options&&n.options.ranges;this.parseError="function"===typeof p.parseError?p.parseError:Object.getPrototypeOf(this).parseError;for(var u,w,B,y,P={},S,Q;;){B=a[a.length-1];if(this.defaultActions[B])y=this.defaultActions[B];else{if(null===u||"undefined"==typeof u)u=n.lex()||1,"number"!==typeof u&&(u=this.symbols_[u]||u);y=d[B]&&d[B][u]}if("undefined"===typeof y||!y.length||!y[0]){var U;Q=[];for(S in d[B])this.terminals_[S]&&2<S&&Q.push("'"+this.terminals_[S]+"'");U=n.showPosition?
+"Parse error on line "+(g+1)+":\n"+n.showPosition()+"\nExpecting "+Q.join(", ")+", got '"+(this.terminals_[u]||u)+"'":"Parse error on line "+(g+1)+": Unexpected "+(1==u?"end of input":"'"+(this.terminals_[u]||u)+"'");this.parseError(U,{text:n.match,token:this.terminals_[u]||u,line:n.yylineno,loc:q,expected:Q})}if(y[0]instanceof Array&&1<y.length)throw Error("Parse Error: multiple actions possible at state: "+B+", token: "+u);switch(y[0]){case 1:a.push(u);c.push(n.yytext);e.push(n.yylloc);a.push(y[1]);
+u=null;w?(u=w,w=null):(h=n.yyleng,f=n.yytext,g=n.yylineno,q=n.yylloc,0<m&&m--);break;case 2:Q=this.productions_[y[1]][1];P.$=c[c.length-Q];P._$={first_line:e[e.length-(Q||1)].first_line,last_line:e[e.length-1].last_line,first_column:e[e.length-(Q||1)].first_column,last_column:e[e.length-1].last_column};v&&(P._$.range=[e[e.length-(Q||1)].range[0],e[e.length-1].range[1]]);B=this.performAction.apply(P,[f,h,g,p,y[1],c,e].concat(l));if("undefined"!==typeof B)return B;Q&&(a=a.slice(0,-2*Q),c=c.slice(0,
+-1*Q),e=e.slice(0,-1*Q));a.push(this.productions_[y[1]][0]);c.push(P.$);e.push(P._$);y=d[a[a.length-2]][a[a.length-1]];a.push(y);break;case 3:return!0}}}},f=function(){return{EOF:1,parseError:function(b,a){if(this.yy.parser)this.yy.parser.parseError(b,a);else throw Error(b);},setInput:function(b,a){this.yy=a||this.yy||{};this._input=b;this._more=this._backtrack=this.done=!1;this.yylineno=this.yyleng=0;this.yytext=this.matched=this.match="";this.conditionStack=["INITIAL"];this.yylloc={first_line:1,
+first_column:0,last_line:1,last_column:0};this.options.ranges&&(this.yylloc.range=[0,0]);this.offset=0;return this},input:function(){var b=this._input[0];this.yytext+=b;this.yyleng++;this.offset++;this.match+=b;this.matched+=b;b.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++;this.options.ranges&&this.yylloc.range[1]++;this._input=this._input.slice(1);return b},unput:function(b){var a=b.length,c=b.split(/(?:\r\n?|\n)/g);this._input=b+this._input;this.yytext=
+this.yytext.substr(0,this.yytext.length-a);this.offset-=a;b=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1);this.matched=this.matched.substr(0,this.matched.length-1);c.length-1&&(this.yylineno-=c.length-1);var e=this.yylloc.range;this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:c?(c.length===b.length?this.yylloc.first_column:0)+b[b.length-c.length].length-c[0].length:this.yylloc.first_column-
+a};this.options.ranges&&(this.yylloc.range=[e[0],e[0]+this.yyleng-a]);this.yyleng=this.yytext.length;return this},more:function(){this._more=!0;return this},reject:function(){if(this.options.backtrack_lexer)this._backtrack=!0;else return this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno});return this},
+less:function(b){this.unput(this.match.slice(b))},pastInput:function(){var b=this.matched.substr(0,this.matched.length-this.match.length);return(20<b.length?"...":"")+b.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var b=this.match;20>b.length&&(b+=this._input.substr(0,20-b.length));return(b.substr(0,20)+(20<b.length?"...":"")).replace(/\n/g,"")},showPosition:function(){var b=this.pastInput(),a=Array(b.length+1).join("-");return b+this.upcomingInput()+"\n"+a+"^"},test_match:function(b,a){var c,
+e;this.options.backtrack_lexer&&(e={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(e.yylloc.range=this.yylloc.range.slice(0)));if(c=b[0].match(/(?:\r\n?|\n).*/g))this.yylineno+=
+c.length;this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:c?c[c.length-1].length-c[c.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+b[0].length};this.yytext+=b[0];this.match+=b[0];this.matches=b;this.yyleng=this.yytext.length;this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]);this._backtrack=this._more=!1;this._input=this._input.slice(b[0].length);this.matched+=b[0];c=this.performAction.call(this,
+this.yy,this,a,this.conditionStack[this.conditionStack.length-1]);this.done&&this._input&&(this.done=!1);if(c)return c;if(this._backtrack)for(var d in e)this[d]=e[d];return!1},next:function(){if(this.done)return this.EOF;this._input||(this.done=!0);var b,a,c;this._more||(this.match=this.yytext="");for(var e=this._currentRules(),d=0;d<e.length;d++)if((a=this._input.match(this.rules[e[d]]))&&(!b||a[0].length>b[0].length))if(b=a,c=d,this.options.backtrack_lexer){b=this.test_match(a,e[d]);if(!1!==b)return b;
+if(this._backtrack)b=!1;else return!1}else if(!this.options.flex)break;return b?(b=this.test_match(b,e[c]),!1!==b?b:!1):""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var b=this.next();return b?b:this.lex()},begin:function(b){this.conditionStack.push(b)},popState:function(){return 0<this.conditionStack.length-1?this.conditionStack.pop():this.conditionStack[0]},
+_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(b){b=this.conditionStack.length-1-Math.abs(b||0);return 0<=b?this.conditionStack[b]:"INITIAL"},pushState:function(b){this.begin(b)},stateStackSize:function(){return this.conditionStack.length},options:{},performAction:function(b,a,c,e){switch(c){case 1:return 25;case 2:return 26;
+case 3:return 23;case 4:return 23;case 5:return 24;case 6:return 24;case 7:return 16;case 8:return 16;case 9:return 20;case 10:return 18;case 11:return 18;case 12:return 21;case 13:return 15;case 14:return 13;case 15:return 9;case 16:return 9;case 17:return 10;case 18:return 10;case 19:return 7;case 20:return 8;case 21:return 12;case 22:return 12;case 23:return 12;case 24:return 12;case 25:return 11;case 26:return 11;case 27:return 28;case 28:return 28;case 29:return 27;case 30:return 5}},rules:[/^(?:\s+)/,
+/^(?:\()/,/^(?:\))/,/^(?:\*\*)/,/^(?:\^)/,/^(?:\|)/,/^(?:\u221a)/,/^(?:\*)/,/^(?:\u00d7)/,/^(?:\/\/)/,/^(?:\/)/,/^(?:\u00f7)/,/^(?:%)/,/^(?:-)/,/^(?:\+)/,/^(?:<=)/,/^(?:\u2264)/,/^(?:>=)/,/^(?:\u2265)/,/^(?:<)/,/^(?:>)/,/^(?:!=)/,/^(?:\/=)/,/^(?:<>)/,/^(?:\u2260)/,/^(?:==)/,/^(?:=)/,/^(?:(([0-9])+\.?([0-9])*|\.([0-9])+)([Ee][+-]?([0-9])+)?)/,/^(?:(0[Bb]([0-1])+|0[Oo]([0-7])+|0[Xx]([0-9A-Fa-f])+))/,/^(?:([A-Za-z]))/,/^(?:$)/],conditions:{INITIAL:{rules:[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,
+18,19,20,21,22,23,24,25,26,27,28,29,30],inclusive:!0}}}}();g.lexer=f;a.prototype=g;g.Parser=a;return new a}();var CTATAlgebraParser={};
+(function(){var a;a=function(){function a(a){this.parser=new CTATAlgebraGrammar.Parser;this.parser.yy={CTATRelationNode:CTATRelationNode,CTATAdditionNode:CTATAdditionNode,CTATMultiplicationNode:CTATMultiplicationNode,CTATIntDivisionNode:CTATIntDivisionNode,CTATUnaryNode:CTATUnaryNode,CTATPowerNode:CTATPowerNode,CTATVariableNode:CTATVariableNode,CTATConstantNode:CTATConstantNode,CTATTreeNode:CTATTreeNode};this.parser.yy.variableTable=a}a.none=["simpleFlatten"];a.partial=["flatten","removeIdentity"];
+a.full="flatten computeConstants combineSimilar expand distribute removeIdentity".split(" ");a.prototype.algParse=function(f,d){null==d&&(d=!1);try{return this.parser.parse(String(f)).simplify(a.none.concat(d?"sort":[]))}catch(c){return null}};a.prototype.algStringify=function(a){return null!=a?a.toString():a};a.prototype.algEvaluate=function(f){try{return this.parser.parse(String(f)).simplify(a.none).evaluate()}catch(d){return null}};a.prototype.algPartialSimplify=function(f,d){null==d&&(d=!1);try{return this.parser.parse(String(f)).simplify(a.partial.concat(d?
+"sort":[])).toString()}catch(c){return null}};a.prototype.algSimplify=function(f,d){null==d&&(d=!1);try{return this.parser.parse(String(f)).simplify(a.full.concat(d?"sort":[])).toString()}catch(c){return null}};a.prototype.algValid=function(a,d){var c,b;null==d&&(d=!1);return null!=(c=this.algParse(a,!0))&&null!=(b=this.algParse(a,!d))?c.toString()===b.toString():null};a.prototype.algValued=function(a){var d;return null!=(d=this.algEvaluate(a))?!isNaN(d):null};a.prototype.algPartialSimplified=function(a,
+d){var c,b;null==d&&(d=!1);return null!=(c=this.algPartialSimplify(a,!0))&&null!=(b=this.algParse(a,!d))?c===b.toString():null};a.prototype.algSimplified=function(a,d){var c,b;null==d&&(d=!1);return null!=(c=this.algSimplify(a,!0))&&null!=(b=this.algParse(a,!d))?c===b.toString():null};a.prototype.algIdentical=function(a,d,c){var b,e;null==c&&(c=!1);return null!=(b=this.algParse(a,!c))&&null!=(e=this.algParse(d,!c))?b.toString()===e.toString():null};a.prototype.algEqual=function(a,d){var c,b;return null!=
+(c=this.algEvaluate(a))&&null!=(b=this.algEvaluate(d))?c===b:null};a.prototype.algPartialEquivalent=function(a,d,c){var b,e;null==c&&(c=!1);return null!=(b=this.algPartialSimplify(a,!c))&&null!=(e=this.algPartialSimplify(d,!c))?b===e:null};a.prototype.algEquivalent=function(a,d,c){var b,e;null==c&&(c=!1);return null!=(b=this.algSimplify(a,!c))&&null!=(e=this.algSimplify(d,!c))?b===e:null};a.prototype.isAlgValid=a.prototype.algValid;a.prototype.algEval=a.prototype.algEvaluate;a.prototype.algStrictEquivTermsSameOrder=
+function(a,d){return this.algPartialEquivalent(a,d,!0)};a.prototype.algEquivTermsSameOrder=a.prototype.algStrictEquivTermsSameOrder;a.prototype.algStrictEquivTerms=a.prototype.algPartialEquivalent;a.prototype.algEquivTerms=a.prototype.algStrictEquivTerms;a.prototype.algEquiv=a.prototype.algEquivalent;a.prototype.isSimplified=function(a){return this.algSimplified(a,!0)};a.prototype.calc=a.prototype.algEvaluate;a.prototype.calca=function(a){return(+this.algEvaluate(a)).toFixed(2)};a.prototype.simplify=
+function(a){return this.algSimplify(a,!0)};a.prototype.algebraicEqual=a.prototype.algEqual;a.prototype.patternMatches=function(a,d){return this.algIdentical(a,d,!0)};a.prototype.polyTermsEqual=function(f,d){return this.parser.parse(f).simplify(a.partial).equals(this.parser.parse(d).simplify(a.partial))};a.prototype.algebraicMatches=function(a,d){return this.algEquivalent(a,d,!0)};a.prototype.expressionMatches=a.prototype.algebraicMatches;return a}();"undefined"!==typeof module&&null!==module?module.exports=
+a:this.CTATAlgebraParser=a}).call(this);var CTATLogicTreeNode={};
+(function(){var a;a=function(){function a(f){null!=this.string?a.operatorStrings[f]=this.string:this.string=a.operatorStrings[f]}a.operators=[["CONST"],["VAR"],["NOT"],["AND","NAND"],["OR","NOR"],["IF"],["IFF","XOR"]];a.operatorStrings={NOT:"\u00ac",AND:"\u2227",OR:"\u2228",NAND:"\u22bc",NOR:"\u22bd",XOR:"\u2295",IF:"\u2192",IFF:"\u2194","true":"\u22a4","false":"\u22a5"};a.toOperatorString=function(a){return this.operatorStrings[a]||""};a.diff=function(a,d){return a.filter(function(a){return!d.includes(a)})};a.removeIndex=
+function(a,d){var c;a=a.slice(0);[].splice.apply(a,[d,d-d+1].concat(c=[]));c;return a};a.difference=function(a,d){return a.filter(function(a){return!d.some(function(b){return b===a})})};a.intersection=function(a){return a[0].filter(function(d){return a.every(function(a){return a.some(function(b){return b.equals(d)})})})};a.commonLength=function(a){var d;d=null;return a.every(function(a){return(null!=d?d:d=a.length)===a.length})&&d};a.sameNegation=function(a){return 2===a.length&&a[0].negationNode()===
+a[1].negationNode()};a.oppositeNegation=function(a){return 2===a.length&&a[0].negationNode()!==a[1].negationNode()};a.replaceTerms=function(a,d,c){var b,e,f,g,m;g=[];b=0;for(e=a.length;b<e;b++)m=a[b],(!(f=d.find(function(b){return b[0]===m}))||c&&(m=m.junctionNode(this.removeIndex(m.terms,f[1]))))&&g.push(m);return g};a.prototype.addOperand=function(a,d,c){null==c&&(c=null);return new CTATLogicFlattenNode(a,[this,d],c)};a.prototype.setParens=function(){this.parens=!0;return this};a.prototype.checkParens=
+function(){var a;return"NOT"===(a=this.operator)||"VAR"===a||"CONST"===a||this.parens};a.prototype.toString=function(f,d,c,b){null==d&&(d=!1);null==c&&(c=null);null==b&&(b=!1);this.addParens(d,c,b)&&(f="("+f+")");this.negated&&(f=""+a.operatorStrings.NOT+f);return f};a.prototype.addParens=function(a,d,c){return(null!=this.left||null!=this.terms)&&null!=d&&(a||this.precedence()>d.precedence()||c&&this.precedence()===d.precedence())};a.prototype.operatorString=function(){return""+(this.binaryOp()?" ":
+"")+this.string+(this.binaryOp()?" ":"")};a.prototype.evaluate=function(a){return this.negated?applyOperator("NOT",a):a};a.prototype.applyOperator=function(a,d,c){switch(a){case "NOT":if(null!=d)return!d;break;case "AND":return null!=d?d&&c:c&&d;case "OR":return null!=d?d||c:c||d}};a.prototype.equals=function(a,d){return a&&this.operator===a.operator&&d!==(this.negated===a.negated)};a.prototype.inverse=function(a){return this.negationOp()?this.right.equals(a):a.negationOp()?this.equals(a.right):!1};
+a.prototype.subNode=function(a,d){return this};a.prototype.getOperator=function(a){null==a&&(a=!1);return!a&&this.operator||this.string};a.prototype.getOperators=function(a){return[]};a.prototype.getVariables=function(){return[]};a.prototype.getOperands=function(){return[]};a.prototype.findOperator=function(a,d,c,b){null==c&&(c=null);null==b&&(b="none");return c||this.operator!==a||null!=this.terms&&2!==this.terms.length&&"none"!==b?null!=c&&this.operator===a&&"none"!==b?(c="left"===b?[0,c+2]:[c,
+this.terms.length],a=c[0],c=c[1],[Object.assign(this.subNode(a,c),{path:d.concat([[a,c]])})]):[]:[Object.assign(this,{path:d})]};a.prototype.findExpression=function(a,d,c){var b;null==c&&(c=null);return!c&&this.equals(a)?[Object.assign(this,{path:d})]:null!=c&&this.subEquals(a,c)?[Object.assign(this.subNode(c,b=c+a.terms.length),{path:d.concat([[c,b]])})]:[]};a.prototype.findRule=function(a,d,c,b){null==c&&(c=!1);null==b&&(b=null);return!b&&this.testRule(a,c)?[Object.assign(this,{path:d})]:null!=
+b&&this.testRule(a,c,b)?[Object.assign(this.subNode(b,b+2),{path:d.concat([[b,b+2]])})]:[]};a.prototype.replaceExpression=function(a,d,c){var b,e,f;"number"===typeof c&&(c=null!=(e=this.findExpression(a,[])[c])?e.path:void 0);return 0===(null!=c?c.length:void 0)&&d||null!=(f=null!=c?c.shift():void 0)&&(b=this.clone(!1))&&function(){var e,g,h,p;switch(!1){case "left"!==f:return b.left=(null!=(e=this.left)?e.replaceExpression(a,d,c):void 0)||null;case "right"!==f:return b.right=(null!=(g=this.right)?
+g.replaceExpression(a,d,c):void 0)||null;case "number"!==typeof f:return b.terms[f]=(null!=(h=this.terms[f])?h.replaceExpression(a,d,c):void 0)||null;case "object"!==typeof f:return[].splice.apply(b.terms,[p=f[0],f[1]-p].concat(d)),d;default:return null}}.call(this)&&b||this};a.prototype.applyTests=function(a){return a.every(function(a){return function(c){return a[c]()}}(this))};a.prototype.applyRules=function(a,d,c){null==d&&(d=!1);null==c&&(c=!1);c=("string"===typeof a?[a]:a).reduce(function(b,
+c){b.rules=a;return b[c](d)},this);delete c.rules;return c};a.prototype.testRule=function(a,d,c){null==d&&(d=!1);null==c&&(c=null);return this.subNode(c)[a](d,!0)};a.prototype.findCounterExample=function(a){return this.checkExpressions(a,this.getVariables().concat(a.getVariables()).uniq(),{})};a.prototype.checkExpressions=function(a,d,c){var b,e;if(d.length)return this.checkExpressions(a,d.slice(1),Object.assign(c,(b={},b[""+d[0]]=!0,b)))||this.checkExpressions(a,d.slice(1),Object.assign(c,(e={},
+e[""+d[0]]=!1,e)));if(this.evaluate(c)!==a.evaluate(c))return c};a.prototype.truth=function(a,d){null==d&&(d=!1);return!d&&this};a.prototype.domination=function(a,d){null==d&&(d=!1);return!d&&this};a.prototype.negation=function(a,d){null==d&&(d=!1);return!d&&this};a.prototype.identity=function(a,d){null==a&&(a=!1);null==d&&(d=!1);return a?d||new CTATLogicFlattenNode("OR",this,new CTATLogicConstantNode(!0)):!d&&this};a.prototype.idempotence=function(a,d){null==a&&(a=!1);null==d&&(d=!1);return a?d||
+new CTATLogicFlattenNode("OR",[this,this]):!d&&this};a.prototype.absorption=function(a,d){null==d&&(d=!1);return!d&&this};a.prototype.inverseAbsorption=function(a,d){null==d&&(d=!1);return!d&&this};a.prototype.commutativity=function(a,d){null==d&&(d=!1);return!d&&this};a.prototype.associativity=function(a,d){null==d&&(d=!1);return!d&&this};a.prototype.distributivity=function(a,d){null==d&&(d=!1);return!d&&this};a.prototype.deMorgan=function(a,d){null==d&&(d=!1);return!d&&this};a.prototype.doubleNegation=
+function(a,d){null==a&&(a=!1);null==d&&(d=!1);return a&&!this.negationOp()?d||this.negateNode().negateNode():!d&&this};a.prototype.implication=function(a,d){null==d&&(d=!1);return!d&&this};a.prototype.biimplication=function(a,d){null==d&&(d=!1);return!d&&this};a.prototype.biimplicationToImplication=function(a,d){null==d&&(d=!1);return!d&&this};a.prototype.exclusiveDisjunction=function(a,d){null==d&&(d=!1);return!d&&this};a.prototype.exclusiveDisjunctionToImplication=function(a,d){null==d&&(d=!1);
+return!d&&this};a.prototype.findPairs=function(a,d,c){var b,e,f,g,m;g=[];b=0;for(f=d.length;b<f;b++)m=d[b],m.operator===a&&-1!==(e=m.terms.findIndex(function(b){return function(a){return a[c](b)}}(this)))&&g.push([m,e]);return g};a.prototype.normalFormOperators=function(){var a;return"NOT"===(a=this.operator)||"AND"===a||"OR"===a||"VAR"===a||"CONST"===a};a.prototype.atomicNegation=function(){return!0};a.prototype.atomicConjunction=function(){return!0};a.prototype.atomicDisjunction=function(){return!0};
+a.prototype.replaceNodes=function(){return this};a.prototype.flatten=function(){return this};a.prototype.pushNegation=function(){return this};a.prototype.distributeDisjunction=function(){return this};a.prototype.distributeConjunction=function(){return this};a.prototype.sort=function(){return this};a.prototype.absorb=function(){return this};a.prototype.compare=function(a){return Math.sign(this.countLevels()-a.countLevels()||this.precedence(!0)-a.precedence(!0)||this.countVariables()-a.countVariables())};
+a.prototype.compareNegations=function(a){return this.negationNode()-a.negationNode()};a.prototype.precedence=function(f){null==f&&(f=!1);return a.operators.findIndex(function(a){return function(c){return c.includes(a.operator)}}(this))};a.prototype.countVariables=function(){return 0};a.prototype.countLevels=function(){return 0};a.prototype.invertOperator=function(){this.operator=this.inverseOperator();this.string=a.operatorStrings[this.operator];return this};a.prototype.inverseOperator=function(){return this.conjunctionOp()?
+"OR":this.disjunctionOp()?"AND":this.operator};a.prototype.negateNode=function(){return new CTATLogicRelationNode("NOT",null,this)};a.prototype.unnegateNode=function(){return this.negationOp()?this.right:this};a.prototype.unnegateOperator=function(){return this.negativeConjunctionOp()?"AND":this.negativeDisjunctionOp()?"OR":this.operator};a.prototype.negationNode=function(){return this.negationOp()&&!this.right.negationNode()||this.negated};a.prototype.negate=function(){this.negated&&this.setSteps(this.steps+
+1);this.negated=!this.negated;return this};a.prototype.setSteps=function(a){isNaN(a)||(this.steps=a);return this};a.prototype.atomic=function(){var a,d;return"VAR"===(a=this.operator)||"CONST"===a||"NOT"===this.operator&&("VAR"===(d=this.right.operator)||"CONST"===d)};a.prototype.negationOp=function(){return"NOT"===this.operator};a.prototype.conjunctionOp=function(){return"AND"===this.operator};a.prototype.disjunctionOp=function(){return"OR"===this.operator};a.prototype.negativeConjunctionOp=function(){return"NAND"===
+this.operator};a.prototype.negativeDisjunctionOp=function(){return"NOR"===this.operator};a.prototype.junctionOp=function(){var a;return"AND"===(a=this.operator)||"OR"===a};a.prototype.negativeJunctionOp=function(){var a;return"NAND"===(a=this.operator)||"NOR"===a};a.prototype.exclusiveDisjunctionOp=function(){return"XOR"===this.operator};a.prototype.implicationOp=function(){return"IF"===this.operator};a.prototype.biimplicationOp=function(){return"IFF"===this.operator};a.prototype.binaryOp=function(){var a;
+return"AND"===(a=this.operator)||"OR"===a||"NAND"===a||"NOR"===a||"IF"===a||"IFF"===a||"XOR"===a};a.prototype.constant=function(a){return!1};return a}();"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATLogicTreeNode=a}).call(this);var CTATLogicRelationNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var e in c)f.call(c,e)&&(a[e]=c[e]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(b,a,d,f,g){this.operator=b;this.left=a;this.right=d;this.string=null!=f?f:null;this.negated=null!=g?g:!1;c.__super__.constructor.call(this,this.operator)}g(c,a);c.prototype.clone=function(b){var a;null==b&&(b=!0);return new c(this.operator,b?(null!=(a=this.left)?a.clone():void 0)||
+null:this.left,b?this.right.clone():this.right,this.string,this.negated)};c.prototype.toString=function(b,a,d){var e,f,g;null==b&&(b=!1);null==a&&(a=null);null==d&&(d=!1);return c.__super__.toString.call(this,""+((null!=(e=this.left)?e.toString(b,this,"IF"===(f=this.operator)||"IFF"===f||"XOR"===f):void 0)||"")+(""+this.operatorString())+this.right.toString(b,this,"AND"===(g=this.operator)||"NAND"===g||"OR"===g||"NOR"===g),b,a,d)};c.prototype.evaluate=function(b){var a,d,f;null==b&&(b=null);a=null!=
+(d=this.left)?d.evaluate(b):void 0;f=this.right.evaluate(b);return c.__super__.evaluate.call(this,function(){switch(this.operator){case "NOT":return this.applyOperator("NOT",f);case "NAND":return this.applyOperator("NOT",this.applyOperator("AND",a,f));case "NOR":return this.applyOperator("NOT",this.applyOperator("OR",a,f));case "IF":return this.applyOperator("OR",this.applyOperator("NOT",a),f);case "IFF":return this.applyOperator("OR",this.applyOperator("AND",a,f),this.applyOperator("AND",this.applyOperator("NOT",
+a),this.applyOperator("NOT",f)));case "XOR":return this.applyOperator("OR",this.applyOperator("AND",a,this.applyOperator("NOT",f)),this.applyOperator("AND",this.applyOperator("NOT",a),f))}}.call(this))};c.prototype.equals=function(b,a){return c.__super__.equals.call(this,b,a)&&(null==this.left||this.left.equals(b.left,!1))&&this.right.equals(b.right,!1)};c.prototype.getOperators=function(b){var a,c;null==b&&(b=!1);return(null!=(a=null!=(c=this.left)?c.getOperators(b):void 0)?a:[]).concat(this.getOperator(b),
+this.right.getOperators(b))};c.prototype.getVariables=function(){var b,a;return(null!=(b=null!=(a=this.left)?a.getVariables():void 0)?b:[]).concat(this.right.getVariables())};c.prototype.getOperands=function(){return null!=this.left?[this.left,this.right]:[this.right]};c.prototype.findOperator=function(b,a,d){var e,f;null==d&&(d="none");return(null!=(e=null!=(f=this.left)?f.findOperator(b,a.concat(["left"]),d):void 0)?e:[]).concat(c.__super__.findOperator.call(this,b,a,null,d),this.right.findOperator(b,
+a.concat(["right"]),d))};c.prototype.findExpression=function(b,a){var e,d;return(null!=(e=null!=(d=this.left)?d.findExpression(b,a.concat(["left"])):void 0)?e:[]).concat(c.__super__.findExpression.call(this,b,a),this.right.findExpression(b,a.concat(["right"])))};c.prototype.findRule=function(b,a,d){var e,f;null==d&&(d=!1);return(null!=(e=null!=(f=this.left)?f.findRule(b,a.concat(["left"]),d):void 0)?e:[]).concat(c.__super__.findRule.call(this,b,a,d),this.right.findRule(b,a.concat(["right"]),d))};
+c.prototype.applyRules=function(b,a,d){var e,f,g;this.rules=b;null==a&&(a=!1);null==d&&(d=!1);d&&(this.left=(null!=(e=this.left)?null!=(f=e.setSteps(this.steps))?f.applyRules(this.rules,a,!0):void 0:void 0)||null,this.right=this.right.setSteps((null!=(g=this.left)?g.steps:void 0)||this.steps).applyRules(this.rules,a,!0),this.setSteps(this.right.steps));return c.__super__.applyRules.apply(this,arguments)};c.prototype.truth=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return!b&&this.negationOp()&&
+this.right.constant()?a||this.right.clone().negate():!a&&this};c.prototype.deMorgan=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return!b&&this.negationOp()&&this.right.junctionOp()?a||this.right.reverseNode():!a&&this};c.prototype.doubleNegation=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return!b&&this.negationOp()&&this.right.negationOp()?a||this.unnegateNode().unnegateNode():c.__super__.doubleNegation.apply(this,arguments)};c.prototype.negativeConjunction=function(b,a){null==b&&(b=!1);null==
+a&&(a=!1);return!b&&this.negativeConjunctionOp()?a||(new CTATLogicFlattenNode("AND",[this.left,this.right])).negateNode():b&&this.negationOp()&&this.right.conjunctionOp()&&2===this.right.terms.length?a||new c("NAND",this.right.terms[0],this.right.terms[1]):!a&&this};c.prototype.negativeDisjunction=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return!b&&this.negativeDisjunctionOp()?a||(new CTATLogicFlattenNode("OR",[this.left,this.right])).negateNode():b&&this.negationOp()&&this.right.disjunctionOp()&&
+2===this.right.terms.length?a||new c("NOR",this.right.terms[0],this.right.terms[1]):!a&&this};c.prototype.implication=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return!b&&this.implicationOp()?a||new CTATLogicFlattenNode("OR",[this.left.negateNode(),this.right]):!a&&this};c.prototype.biimplication=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return!b&&this.biimplicationOp()?a||new CTATLogicFlattenNode("OR",[new CTATLogicFlattenNode("AND",[this.left,this.right]),new CTATLogicFlattenNode("AND",[this.left.negateNode(),
+this.right.negateNode()])]):!a&&this};c.prototype.biimplicationToImplication=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return!b&&this.biimplicationOp()?a||new CTATLogicFlattenNode("AND",[new c("IF",this.left,this.right),new c("IF",this.right,this.left)]):!a&&this};c.prototype.exclusiveDisjunction=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return!b&&this.exclusiveDisjunctionOp()?a||new CTATLogicFlattenNode("OR",[new CTATLogicFlattenNode("AND",[this.left,this.right.negateNode()]),new CTATLogicFlattenNode("AND",
+[this.left.negateNode(),this.right])]):!a&&this};c.prototype.exclusiveDisjunctionToImplication=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return!b&&this.exclusiveDisjunctionOp()?a||new CTATLogicFlattenNode("AND",[new c("IF",this.left,this.right.negateNode()),new c("IF",this.right.negateNode(),this.left)]):!a&&this};c.prototype.normalFormOperators=function(){return c.__super__.normalFormOperators.apply(this,arguments)&&(null==this.left||this.left.normalFormOperators())&&this.right.normalFormOperators()};
+c.prototype.atomicNegation=function(){return this.atomic()||!this.negationOp()&&!this.negated&&this.left.atomicNegation()&&this.right.atomicNegation()};c.prototype.atomicConjunction=function(){return this.atomic()||(null==this.left||this.left.atomicConjunction())&&this.right.atomicConjunction()};c.prototype.atomicDisjunction=function(){return this.atomic()||(null==this.left||this.left.atomicDisjunction())&&this.right.atomicDisjunction()};c.prototype.replaceNodes=function(){var b,a,c,d;d=CTATLogicTreeNode.diff(this.rules,
+["replaceNodes"]);switch(this.operator){case "NOT":return this.right.setSteps(this.steps).negate();case "NAND":case "NOR":return(new CTATLogicFlattenNode(this.unnegateOperator(),[this.left,this.right])).setSteps(this.steps+1).negate().applyRules(d);case "IF":return(new CTATLogicFlattenNode("OR",[b=this.left.setSteps(this.steps).negate().applyRules(d),this.right])).setSteps(b.steps+1);case "IFF":return a=new CTATLogicFlattenNode("OR",[new CTATLogicFlattenNode("AND",[this.left,this.right]),new CTATLogicFlattenNode("AND",
+[b=this.left.clone().setSteps(this.steps).negate().applyRules(d),c=this.right.clone().setSteps(b.steps).negate().applyRules(d)])]),a.setSteps(c.steps).terms=a.terms.map(function(b){return function(b){b=b.setSteps(a.steps).applyRules(d);a.setSteps(b.steps);return b}}(this)),a.setSteps(a.steps+1);case "XOR":return a=new CTATLogicFlattenNode("OR",[new CTATLogicFlattenNode("AND",[this.left,c=this.right.clone().setSteps(this.steps).negate().applyRules(d)]),new CTATLogicFlattenNode("AND",[b=this.left.clone().setSteps(c.steps).negate().applyRules(d),
+this.right])]),a.setSteps(b.steps).terms=a.terms.map(function(b){return function(b){b=b.setSteps(a.steps).applyRules(d);a.setSteps(b.steps);return b}}(this)),a.setSteps(a.steps+1)}};c.prototype.sort=function(){var b;("NAND"===(b=this.operator)||"NOR"===b||"IFF"===b||"XOR"===b)&&0<this.left.compare(this.right)&&(b=[this.right,this.left],this.left=b[0],this.right=b[1]);return this};c.prototype.compare=function(b){return c.__super__.compare.apply(this,arguments)||("NOT"===this.operator&&"NOT"===b.operator?
+this.right.compare(b.right):"NOT"===this.operator?this.right.compare(b):"NOT"===b.operator?this.compare(b.right):this.left.compare(b.left)||this.right.compare(b.right))||this.compareNegations(b)};c.prototype.precedence=function(b){null==b&&(b=!1);return b&&"NOT"===this.operator?this.right.precedence():c.__super__.precedence.apply(this,arguments)};c.prototype.countVariables=function(){var b;return((null!=(b=this.left)?b.countVariables():void 0)||0)+this.right.countVariables()};c.prototype.countLevels=
+function(){var b;return"NOT"===this.operator?this.right.countLevels():1+Math.max((null!=(b=this.left)?b.countLevels():void 0)||0,this.right.countLevels())};return c}(CTATLogicTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATLogicRelationNode=a}).call(this);var CTATLogicVariableNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var e in c)f.call(c,e)&&(a[e]=c[e]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(b,a,c){this.variableTable=b;this.variable=a;this.negated=null!=c?c:!1;this.operator="VAR"}g(c,a);c.prototype.clone=function(){return new c(this.variableTable,this.variable,this.negated)};c.prototype.toString=function(b,a,d){null==b&&(b=!1);null==a&&(a=null);null==d&&(d=!1);
+return c.__super__.toString.call(this,this.variable,b,a,d)};c.prototype.evaluate=function(b){null==b&&(b=null);return c.__super__.evaluate.call(this,function(){if(null!=b)return("function"===typeof b.get?b.get(this.variable):void 0)||b[this.variable];if(null!=this.variableTable)return this.variableTable.get(this.variable);try{return eval(this.variable)}catch(e){}}.call(this))};c.prototype.equals=function(b,a){return c.__super__.equals.call(this,b,a)&&this.variable===b.variable};c.prototype.getVariables=
+function(){return[this.variable]};c.prototype.compare=function(b){return c.__super__.compare.apply(this,arguments)||this.variable>b.variable&&1||this.variable<b.variable&&-1||this.compareNegations(b)};c.prototype.countVariables=function(){return 1};return c}(CTATLogicTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATLogicVariableNode=a}).call(this);var CTATLogicConstantNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var e in c)f.call(c,e)&&(a[e]=c[e]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(b,a,d){this.value=b;this.string=null!=a?a:null;this.negated=null!=d?d:!1;this.operator="CONST";c.__super__.constructor.call(this,this.value)}g(c,a);c.prototype.clone=function(){return new c(this.value,this.string,this.negated)};c.prototype.toString=function(b,a,d){null==b&&
+(b=!1);null==a&&(a=null);null==d&&(d=!1);return c.__super__.toString.call(this,this.string,b,a,d)};c.prototype.evaluate=function(b){return c.__super__.evaluate.call(this,this.value)};c.prototype.equals=function(b,a){return c.__super__.equals.call(this,b,a)&&a!==(this.value===b.value)};c.prototype.truth=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return b?a||this.negateNode():!a&&this};c.prototype.compare=function(b){return c.__super__.compare.apply(this,arguments)||this.value-b.value};c.prototype.negate=
+function(){this.setSteps(this.steps+1);this.value=!this.value;this.string=CTATLogicTreeNode.toOperatorString(this.value);return this};c.prototype.constant=function(b){null==b&&(b=null);return null==b||this.value===b};return c}(CTATLogicTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATLogicConstantNode=a}).call(this);var CTATLogicGrammar=function(){function a(){this.yy={}}var g=function(b,a,c,e){c=c||{};for(e=b.length;e--;c[b[e]]=a);return c},f=[1,3],d=[1,5],c=[1,6],b=[1,7],e=[1,8],h=[1,10],l=[1,11],m=[1,12],n=[1,13],p=[1,14],v=[1,15],q=[1,16],u=[5,6,7,8,9,10,11,12,16],w=[5,7,9,10,11,12,16],g={trace:function(){},yy:{},symbols_:{error:2,expression:3,logical:4,EOF:5,AND:6,OR:7,NAND:8,NOR:9,XOR:10,IF:11,IFF:12,NOT:13,atom:14,LPAREN:15,RPAREN:16,VARIABLE:17,TRUE:18,FALSE:19,$accept:0,$end:1},terminals_:{2:"error",
+5:"EOF",6:"AND",7:"OR",8:"NAND",9:"NOR",10:"XOR",11:"IF",12:"IFF",13:"NOT",15:"LPAREN",16:"RPAREN",17:"VARIABLE",18:"TRUE",19:"FALSE"},productions_:[0,[3,2],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,2],[4,1],[14,3],[14,1],[14,1],[14,1]],performAction:function(b,a,c,e,d,f,g){b=f.length-1;switch(d){case 1:return f[b-1];case 2:e.parser.checkStrict(f[b-2],g[b-2],e.lexer.matched);e.parser.checkStrict(f[b],g[b],e.lexer.matched);this.$=f[b-2].addOperand("AND",f[b],f[b-1]);break;case 3:e.parser.checkStrict(f[b-
+2],g[b-2],e.lexer.matched);e.parser.checkStrict(f[b],g[b],e.lexer.matched);this.$=f[b-2].addOperand("OR",f[b],f[b-1]);break;case 4:e.parser.checkStrict(f[b-2],g[b-2],e.lexer.matched);e.parser.checkStrict(f[b],g[b],e.lexer.matched);this.$=new e.CTATLogicRelationNode("NAND",f[b-2],f[b],f[b-1]);break;case 5:e.parser.checkStrict(f[b-2],g[b-2],e.lexer.matched);e.parser.checkStrict(f[b],g[b],e.lexer.matched);this.$=new e.CTATLogicRelationNode("NOR",f[b-2],f[b],f[b-1]);break;case 6:e.parser.checkStrict(f[b-
+2],g[b-2],e.lexer.matched);e.parser.checkStrict(f[b],g[b],e.lexer.matched);this.$=new e.CTATLogicRelationNode("XOR",f[b-2],f[b],f[b-1]);break;case 7:e.parser.checkStrict(f[b-2],g[b-2],e.lexer.matched);e.parser.checkStrict(f[b],g[b],e.lexer.matched);this.$=new e.CTATLogicRelationNode("IF",f[b-2],f[b],f[b-1]);break;case 8:e.parser.checkStrict(f[b-2],g[b-2],e.lexer.matched);e.parser.checkStrict(f[b],g[b],e.lexer.matched);this.$=new e.CTATLogicRelationNode("IFF",f[b-2],f[b],f[b-1]);break;case 9:e.parser.checkStrict(f[b],
+g[b],e.lexer.matched);this.$=new e.CTATLogicRelationNode("NOT",null,f[b],f[b-1]);break;case 10:this.$=f[b];break;case 11:this.$=f[b-1].setParens();break;case 12:this.$=new e.CTATLogicVariableNode(e.variableTable,f[b]);break;case 13:this.$=new e.CTATLogicConstantNode(!0,f[b]);break;case 14:this.$=new e.CTATLogicConstantNode(!1,f[b])}},table:[{3:1,4:2,13:f,14:4,15:d,17:c,18:b,19:e},{1:[3]},{5:[1,9],6:h,7:l,8:m,9:n,10:p,11:v,12:q},{4:17,13:f,14:4,15:d,17:c,18:b,19:e},g(u,[2,10]),{4:18,13:f,14:4,15:d,
+17:c,18:b,19:e},g(u,[2,12]),g(u,[2,13]),g(u,[2,14]),{1:[2,1]},{4:19,13:f,14:4,15:d,17:c,18:b,19:e},{4:20,13:f,14:4,15:d,17:c,18:b,19:e},{4:21,13:f,14:4,15:d,17:c,18:b,19:e},{4:22,13:f,14:4,15:d,17:c,18:b,19:e},{4:23,13:f,14:4,15:d,17:c,18:b,19:e},{4:24,13:f,14:4,15:d,17:c,18:b,19:e},{4:25,13:f,14:4,15:d,17:c,18:b,19:e},g(u,[2,9]),{6:h,7:l,8:m,9:n,10:p,11:v,12:q,16:[1,26]},g(u,[2,2]),g(w,[2,3],{6:h,8:m}),g(w,[2,4],{6:h}),g([5,10,11,12,16],[2,5],{6:h,7:l,8:m}),g([5,11,12,16],[2,6],{6:h,7:l,8:m,9:n,
+10:p}),g([5,12,16],[2,7],{6:h,7:l,8:m,9:n,10:p,11:v}),g([5,16],[2,8],{6:h,7:l,8:m,9:n,10:p,11:v,12:q}),g(u,[2,11])],defaultActions:{9:[2,1]},parseError:function(b,a){if(a.recoverable)this.trace(b);else{var c=Error(b);c.hash=a;throw c;}},parse:function(b){var a=[0],c=[null],e=[],d=this.table,f="",g=0,h=0,m=0,l=e.slice.call(arguments,1),n=Object.create(this.lexer),p={},q;for(q in this.yy)Object.prototype.hasOwnProperty.call(this.yy,q)&&(p[q]=this.yy[q]);n.setInput(b,p);p.lexer=n;p.parser=this;"undefined"==
+typeof n.yylloc&&(n.yylloc={});q=n.yylloc;e.push(q);var v=n.options&&n.options.ranges;this.parseError="function"===typeof p.parseError?p.parseError:Object.getPrototypeOf(this).parseError;for(var u,w,B,M,V={},P,S;;){B=a[a.length-1];if(this.defaultActions[B])M=this.defaultActions[B];else{if(null===u||"undefined"==typeof u)u=n.lex()||1,"number"!==typeof u&&(u=this.symbols_[u]||u);M=d[B]&&d[B][u]}if("undefined"===typeof M||!M.length||!M[0]){var Q;S=[];for(P in d[B])this.terminals_[P]&&2<P&&S.push("'"+
+this.terminals_[P]+"'");Q=n.showPosition?"Parse error on line "+(g+1)+":\n"+n.showPosition()+"\nExpecting "+S.join(", ")+", got '"+(this.terminals_[u]||u)+"'":"Parse error on line "+(g+1)+": Unexpected "+(1==u?"end of input":"'"+(this.terminals_[u]||u)+"'");this.parseError(Q,{text:n.match,token:this.terminals_[u]||u,line:n.yylineno,loc:q,expected:S})}if(M[0]instanceof Array&&1<M.length)throw Error("Parse Error: multiple actions possible at state: "+B+", token: "+u);switch(M[0]){case 1:a.push(u);c.push(n.yytext);
+e.push(n.yylloc);a.push(M[1]);u=null;w?(u=w,w=null):(h=n.yyleng,f=n.yytext,g=n.yylineno,q=n.yylloc,0<m&&m--);break;case 2:S=this.productions_[M[1]][1];V.$=c[c.length-S];V._$={first_line:e[e.length-(S||1)].first_line,last_line:e[e.length-1].last_line,first_column:e[e.length-(S||1)].first_column,last_column:e[e.length-1].last_column};v&&(V._$.range=[e[e.length-(S||1)].range[0],e[e.length-1].range[1]]);B=this.performAction.apply(V,[f,h,g,p,M[1],c,e].concat(l));if("undefined"!==typeof B)return B;S&&(a=
+a.slice(0,-2*S),c=c.slice(0,-1*S),e=e.slice(0,-1*S));a.push(this.productions_[M[1]][0]);c.push(V.$);e.push(V._$);M=d[a[a.length-2]][a[a.length-1]];a.push(M);break;case 3:return!0}}},checkStrict:function(b,a,c){var e=c+"\n"+"-".repeat(a.first_column)+"^",d=["'LPAREN'","'VARIABLE'","'TRUE'","'FALSE'"],e="Parse error on line "+a.first_line+":\n"+e+"\nExpecting "+d.join(", ")+" got '"+c[a.first_column]+"'";this.yy.strictMode&&!b.checkParens()&&this.parseError(e,{text:c,token:b.operator,line:a.first_line,
+loc:a,expected:d})}},f=function(){return{EOF:1,parseError:function(b,a){if(this.yy.parser)this.yy.parser.parseError(b,a);else throw Error(b);},setInput:function(b,a){this.yy=a||this.yy||{};this._input=b;this._more=this._backtrack=this.done=!1;this.yylineno=this.yyleng=0;this.yytext=this.matched=this.match="";this.conditionStack=["INITIAL"];this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0};this.options.ranges&&(this.yylloc.range=[0,0]);this.offset=0;return this},input:function(){var b=
+this._input[0];this.yytext+=b;this.yyleng++;this.offset++;this.match+=b;this.matched+=b;b.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++;this.options.ranges&&this.yylloc.range[1]++;this._input=this._input.slice(1);return b},unput:function(b){var a=b.length,c=b.split(/(?:\r\n?|\n)/g);this._input=b+this._input;this.yytext=this.yytext.substr(0,this.yytext.length-a);this.offset-=a;b=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-
+1);this.matched=this.matched.substr(0,this.matched.length-1);c.length-1&&(this.yylineno-=c.length-1);var e=this.yylloc.range;this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:c?(c.length===b.length?this.yylloc.first_column:0)+b[b.length-c.length].length-c[0].length:this.yylloc.first_column-a};this.options.ranges&&(this.yylloc.range=[e[0],e[0]+this.yyleng-a]);this.yyleng=this.yytext.length;return this},more:function(){this._more=
+!0;return this},reject:function(){if(this.options.backtrack_lexer)this._backtrack=!0;else return this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno});return this},less:function(b){this.unput(this.match.slice(b))},pastInput:function(){var b=this.matched.substr(0,this.matched.length-this.match.length);return(20<
+b.length?"...":"")+b.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var b=this.match;20>b.length&&(b+=this._input.substr(0,20-b.length));return(b.substr(0,20)+(20<b.length?"...":"")).replace(/\n/g,"")},showPosition:function(){var b=this.pastInput(),a=Array(b.length+1).join("-");return b+this.upcomingInput()+"\n"+a+"^"},test_match:function(b,a){var c,e;this.options.backtrack_lexer&&(e={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,
+last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(e.yylloc.range=this.yylloc.range.slice(0)));if(c=b[0].match(/(?:\r\n?|\n).*/g))this.yylineno+=c.length;this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:c?
+c[c.length-1].length-c[c.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+b[0].length};this.yytext+=b[0];this.match+=b[0];this.matches=b;this.yyleng=this.yytext.length;this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]);this._backtrack=this._more=!1;this._input=this._input.slice(b[0].length);this.matched+=b[0];c=this.performAction.call(this,this.yy,this,a,this.conditionStack[this.conditionStack.length-1]);this.done&&this._input&&(this.done=!1);if(c)return c;
+if(this._backtrack)for(var d in e)this[d]=e[d];return!1},next:function(){if(this.done)return this.EOF;this._input||(this.done=!0);var b,a,c;this._more||(this.match=this.yytext="");for(var e=this._currentRules(),d=0;d<e.length;d++)if((a=this._input.match(this.rules[e[d]]))&&(!b||a[0].length>b[0].length))if(b=a,c=d,this.options.backtrack_lexer){b=this.test_match(a,e[d]);if(!1!==b)return b;if(this._backtrack)b=!1;else return!1}else if(!this.options.flex)break;return b?(b=this.test_match(b,e[c]),!1!==
+b?b:!1):""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var b=this.next();return b?b:this.lex()},begin:function(b){this.conditionStack.push(b)},popState:function(){return 0<this.conditionStack.length-1?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?
+this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(b){b=this.conditionStack.length-1-Math.abs(b||0);return 0<=b?this.conditionStack[b]:"INITIAL"},pushState:function(b){this.begin(b)},stateStackSize:function(){return this.conditionStack.length},options:{},performAction:function(b,a,c,e){switch(c){case 1:return 15;case 2:return 16;case 3:return 12;case 4:return 12;case 5:return 12;case 6:return 12;case 7:return 12;case 8:return 12;
+case 9:return 12;case 10:return 10;case 11:return 10;case 12:return 10;case 13:return 10;case 14:return 10;case 15:return 10;case 16:return 11;case 17:return 11;case 18:return 11;case 19:return 11;case 20:return 11;case 21:return 8;case 22:return 8;case 23:return 8;case 24:return 8;case 25:return 8;case 26:return 8;case 27:return 8;case 28:return 8;case 29:return 8;case 30:return 8;case 31:return 8;case 32:return 6;case 33:return 6;case 34:return 6;case 35:return 6;case 36:return 6;case 37:return 6;
+case 38:return 9;case 39:return 9;case 40:return 9;case 41:return 9;case 42:return 9;case 43:return 9;case 44:return 9;case 45:return 9;case 46:return 9;case 47:return 9;case 48:return 9;case 49:return 7;case 50:return 7;case 51:return 7;case 52:return 7;case 53:return 7;case 54:return 13;case 55:return 13;case 56:return 13;case 57:return 13;case 58:return 18;case 59:return 18;case 60:return 18;case 61:return 18;case 62:return 19;case 63:return 19;case 64:return 19;case 65:return 19;case 66:return 17;
+case 67:return 5}},rules:[/^(?:\s+)/,/^(?:\()/,/^(?:\))/,/^(?:=)/,/^(?:<=>)/,/^(?:<->)/,/^(?:\u21d4)/,/^(?:\u2194)/,/^(?:\u2261)/,/^(?:\u2299)/,/^(?:\u2260)/,/^(?:\u2262)/,/^(?:\u22bb)/,/^(?:\u2295)/,/^(?:\^)/,/^(?:<~>)/,/^(?:=>)/,/^(?:->)/,/^(?:\u21d2)/,/^(?:\u2192)/,/^(?:\u2283)/,/^(?:\u2191)/,/^(?:\u22bc)/,/^(?:~\/\\)/,/^(?:~&&)/,/^(?:~&)/,/^(?:!\/\\)/,/^(?:!&&)/,/^(?:!&)/,/^(?:-\/\\)/,/^(?:-&&)/,/^(?:-&)/,/^(?:&&)/,/^(?:&)/,/^(?:\u2227)/,/^(?:\/\\)/,/^(?:\*)/,/^(?:\.)/,/^(?:\u2193)/,/^(?:\u22bd)/,
+/^(?:~\\\/)/,/^(?:~\|\|)/,/^(?:~\|)/,/^(?:!\\\/)/,/^(?:!\|\|)/,/^(?:!\|)/,/^(?:-\\\/)/,/^(?:-\|\|)/,/^(?:-\|)/,/^(?:\|\|)/,/^(?:\|)/,/^(?:\u2228)/,/^(?:\\\/)/,/^(?:\+)/,/^(?:~)/,/^(?:\u00ac)/,/^(?:!)/,/^(?:-)/,/^(?:([Tt][Rr][Uu][Ee]))/,/^(?:T\b)/,/^(?:\u22a4)/,/^(?:1\b)/,/^(?:([Ff][Aa][Ll][Ss][Ee]))/,/^(?:F\b)/,/^(?:\u22a5)/,/^(?:0\b)/,/^(?:([A-Za-z][0-9]*))/,/^(?:$)/],conditions:{INITIAL:{rules:[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,
+37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67],inclusive:!0}}}}();g.lexer=f;a.prototype=g;g.Parser=a;return new a}();var CTATLogicFlattenNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var e in c)f.call(c,e)&&(a[e]=c[e]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(b,a,d,f){this.operator=b;this.terms=a;this.string=null!=d?d:null;this.negated=null!=f?f:!1;c.__super__.constructor.call(this,this.operator)}g(c,a);c.prototype.addOperand=function(b,a,d){null==d&&(d=null);if(b!==this.operator||this.parens)return c.__super__.addOperand.apply(this,arguments);
+this.terms.push(a);return this};c.prototype.clone=function(b){null==b&&(b=!0);return new c(this.operator,b?this.terms.map(function(b){return b.clone()}):this.terms,this.string,this.negated)};c.prototype.toString=function(b,a,d){null==b&&(b=!1);null==a&&(a=null);null==d&&(d=!1);return c.__super__.toString.call(this,this.terms.reduce(function(a){return function(c,e){return""+c+(c?""+a.operatorString():"")+e.toString(b,a,!0)}}(this),""),b,a,d)};c.prototype.evaluate=function(b){null==b&&(b=null);return c.__super__.evaluate.call(this,
+this.terms.reduce(function(a){return function(c,e){return a.applyOperator(a.operator,c,e.evaluate(b))}}(this),this.conjunctionOp()))};c.prototype.equals=function(b,a){return c.__super__.equals.call(this,b,a)&&this.terms.length===b.terms.length&&this.terms.every(function(a,c){return a.equals(b.terms[c],!1)})};c.prototype.subEquals=function(b,a){return this.operator===b.operator&&!b.negated&&this.terms.length>=b.terms.length&&b.terms.every(function(b){return function(c,e){return c.equals(b.terms[a+
+e],!1)}}(this))};c.prototype.subNode=function(b,a){return null!=b?Object.assign(this.clone(!1),{terms:this.terms.slice(b,a)}):this};c.prototype.getOperators=function(b){null==b&&(b=!1);return this.terms.slice(1).reduce(function(a){return function(c,e,d){return c.concat(a.getOperator(b),e.getOperators(b))}}(this),this.terms[0].getOperators(b))};c.prototype.getVariables=function(){return this.terms.slice(1).reduce(function(b){return function(b,a,c){return b.concat(a.getVariables())}}(this),this.terms[0].getVariables())};
+c.prototype.getOperands=function(){return this.terms.slice(0)};c.prototype.findOperator=function(b,a,d){null==d&&(d="none");return this.terms.slice(1).reduce(function(e){return function(f,g,h){return f.concat(c.__super__.findOperator.call(e,b,a,h,d),g.findOperator(b,a.concat([h+1]),d))}}(this),this.terms[0].findOperator(b,a.concat([0]),d))};c.prototype.findExpression=function(b,a){return this.terms.slice(1).reduce(function(e){return function(d,f,g){return d.concat(c.__super__.findExpression.call(e,
+b,a,g),f.findExpression(b,a.concat([g+1])))}}(this),this.terms[0].findExpression(b,a.concat([0])))};c.prototype.findRule=function(b,a,d){null==d&&(d=!1);return this.terms.slice(1).reduce(function(e){return function(f,g,h){return f.concat(c.__super__.findRule.call(e,b,a,d,h),g.findRule(b,a.concat([h+1]),d))}}(this),this.terms[0].findRule(b,a.concat([0]),d))};c.prototype.applyRules=function(b,a,d){this.rules=b;null==a&&(a=!1);null==d&&(d=!1);d&&(this.terms=this.terms.map(function(b){return function(c){c=
+c.setSteps(b.steps).applyRules(b.rules,a,!0);b.setSteps(c.steps);return c}}(this)));return c.__super__.applyRules.apply(this,arguments)};c.prototype.domination=function(b,a){var c;null==b&&(b=!1);null==a&&(a=!1);return!b&&this.junctionOp()&&(c=this.terms.find(function(b){return function(a){return a.constant(b.disjunctionOp())}}(this)))?a||c:!a&&this};c.prototype.negation=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return!b&&this.junctionOp()&&this.terms.some(function(b){return function(a,c){return b.terms.slice(c+
+1).some(function(b){return b.inverse(a)})}}(this))?a||new CTATLogicConstantNode(this.disjunctionOp()):!a&&this};c.prototype.identity=function(b,a){var e;null==b&&(b=!1);null==a&&(a=!1);return!b&&this.junctionOp()&&(e=this.terms.filter(function(b){return function(a){return a.constant(b.conjunctionOp())}}(this))).length?a||this.junctionNode(CTATLogicTreeNode.difference(this.terms,e)):b&&this.junctionOp()?a||this.junctionNode(this.terms.push(new CTATLogicConstantNode(this.conjunctionOp()))):c.__super__.identity.apply(this,
+arguments)};c.prototype.idempotence=function(b,a){var e;null==b&&(b=!1);null==a&&(a=!1);return!b&&this.junctionOp()&&(e=this.terms.filter(function(b){return function(a,c){return b.terms.slice(c+1).some(function(b){return b.equals(a)})}}(this))).length?a||this.junctionNode(CTATLogicTreeNode.difference(this.terms,e)):b&&this.junctionOp()?a||this.junctionNode(this.terms.concat(this.terms)):c.__super__.idempotence.apply(this,arguments)};c.prototype.absorption=function(b,a){var c;null==b&&(b=!1);null==
+a&&(a=!1);return!b&&this.junctionOp()&&(c=this.terms.reduce(function(b){return function(a,c){return a.concat(c.findPairs(b.inverseOperator(),b.terms,"equals"))}}(this),[])).length?a||this.junctionNode(CTATLogicTreeNode.replaceTerms(this.terms,c,!1)):!a&&this};c.prototype.inverseAbsorption=function(b,a){var c;null==b&&(b=!1);null==a&&(a=!1);return!b&&this.junctionOp()&&(c=this.terms.reduce(function(b){return function(a,c){return a.concat(c.findPairs(b.inverseOperator(),b.terms,"inverse"))}}(this),
+[])).length?a||this.junctionNode(CTATLogicTreeNode.replaceTerms(this.terms,c,!0)):!a&&this};c.prototype.junctionNode=function(b){return 1===b.length?b[0]:Object.assign(this.clone(),{terms:b})};c.prototype.commutativity=function(b,a){null==a&&(a=!1);return this.junctionOp()?a||new c(this.operator,this.terms.slice(0).reverse()):!a&&this};c.prototype.associativity=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return this.junctionOp()&&this.terms.some(function(b){return function(a){return a.operator===
+b.operator}}(this))?a||this.clone(!0).flatten():!a&&this};c.prototype.distributivity=function(b,a){var e,d,f,g,p,v;null==b&&(b=!1);null==a&&(a=!1);return!b&&this.junctionOp()&&-1!==(d=this.terms.findIndex(function(b){return function(a){return a.junctionOp()&&a.operator!==b.operator}}(this)))?(e=this.terms[d],v=CTATLogicTreeNode.removeIndex(this.terms,d),a||new c(e.operator,e.terms.map(function(b){return function(a){return new c(b.operator,v.concat([a]))}}(this)))):b&&this.junctionOp()&&this.terms.every(function(b){return function(a){return a.junctionOp()&&
+a.operator!==b.operator}}(this))&&(p=this.terms.map(function(b){return b.terms}))&&(g=CTATLogicTreeNode.commonLength(p))&&(f=CTATLogicTreeNode.intersection(p))&&f.length===g-1?a||(e=p.map(function(b){return function(b){return CTATLogicTreeNode.difference(b,f)[0]}}(this)),new c(this.terms[0].operator,f.concat([new c(this.operator,e)]))):!a&&this};c.prototype.deMorgan=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return b&&this.junctionOp()&&this.terms.every(function(b){return b.negationOp()})?this.reverseNode(!0).negateNode():
+!a&&this};c.prototype.reverseNode=function(b){null==b&&(b=!1);return new c(this.inverseOperator(),this.terms.map(function(a){return b?a.unnegateNode():a.negateNode()}))};c.prototype.implication=function(b,a){var e,d;null==b&&(b=!1);null==a&&(a=!1);return b&&this.disjunctionOp()&&this.terms.some(function(b){return b.negationOp()})&&this.terms.some(function(b){return!b.negationOp()})?a||(e=this.terms.filter(function(b){return b.negationOp()}).map(function(b){return b.unnegateNode()}),d=this.terms.filter(function(b){return!b.negationOp()}),
+new CTATLogicRelationNode("IF",1<e.length?new c("AND",e):e[0],1<d.length?new c("OR",d):d[0])):!a&&this};c.prototype.biimplication=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return b&&this.disjunctionOp()&&2===this.terms.length&&this.terms.every(function(b){return b.conjunctionOp()})&&this.terms[0].terms.every(function(b){return function(a){return b.terms[1].terms.some(function(b){return b.inverse(a)})}}(this))&&CTATLogicTreeNode.sameNegation(this.terms[0].terms)&&CTATLogicTreeNode.sameNegation(this.terms[1].terms)?
+a||new CTATLogicRelationNode("IFF",this.terms[0].terms[0].unnegateNode(),this.terms[0].terms[1].unnegateNode()):!a&&this};c.prototype.biimplicationToImplication=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return b&&this.conjunctionOp()&&2===this.terms.length&&this.terms.every(function(b){return b.implicationOp()})&&this.terms[0].left.equals(this.terms[1].right)&&this.terms[0].right.equals(this.terms[1].left)?a||new CTATLogicRelationNode("IFF",this.terms[0].left,this.terms[0].right):!a&&this};c.prototype.exclusiveDisjunction=
+function(b,a){null==b&&(b=!1);null==a&&(a=!1);return b&&this.disjunctionOp()&&2===this.terms.length&&this.terms.every(function(b){return b.conjunctionOp()})&&this.terms[0].terms.every(function(b){return function(a){return b.terms[1].terms.some(function(b){return b.inverse(a)})}}(this))&&CTATLogicTreeNode.oppositeNegation(this.terms[0].terms)&&CTATLogicTreeNode.oppositeNegation(this.terms[1].terms)?a||new CTATLogicRelationNode("XOR",this.terms[0].terms[0].unnegateNode(),this.terms[0].terms[1].unnegateNode()):
+!a&&this};c.prototype.exclusiveDisjunctionToImplication=function(b,a){null==b&&(b=!1);null==a&&(a=!1);return b&&this.conjunctionOp()&&2===this.terms.length&&this.terms.every(function(b){return b.implicationOp()})&&this.terms[0].left.equals(this.terms[1].right)&&this.terms[0].right.equals(this.terms[1].left)?a||new CTATLogicRelationNode("XOR",this.terms[0].left.unnegateNode(),this.terms[0].right.unnegateNode()):!a&&this};c.prototype.normalFormOperators=function(){return c.__super__.normalFormOperators.apply(this,
+arguments)&&this.terms.every(function(b){return b.normalFormOperators()})};c.prototype.atomicNegation=function(){return!this.negated&&this.terms.every(function(b){return b.atomicNegation()})};c.prototype.atomicConjunction=function(){return this.conjunctionOp()&&this.terms.every(function(b){return b.atomic()})||!this.conjunctionOp()&&this.terms.every(function(b){return b.atomicConjunction()})};c.prototype.atomicDisjunction=function(){return this.disjunctionOp()&&this.terms.every(function(b){return b.atomic()})||
+!this.disjunctionOp()&&this.terms.every(function(b){return b.atomicDisjunction()})};c.prototype.pushNegation=function(){this.negated&&(this.negate(),this.invertOperator(),this.terms.forEach(function(b){return function(a){a.setSteps(b.steps).negate().pushNegation();return b.setSteps(a.steps)}}(this)),this.setSteps(this.steps+1));return this};c.prototype.flatten=function(){this.terms=this.terms.reduce(function(b){return function(a,c){c.operator!==b.operator?a.push(c):a.push.apply(a,c.terms);return a}}(this),
+[]);return this};c.prototype.distributeDisjunction=function(){var b,a;return this.disjunctionOp()&&this.conjunctiveTerms()?(b=CTATLogicTreeNode.diff(this.rules,["replaceNodes","pushNegation"]),(a=this.terms.pop()).setSteps(this.steps).terms=a.terms.map(function(c){return function(e){var d;d=c.clone();d.terms.push(e);d=d.setSteps(a.steps).applyRules(b);a.setSteps(d.steps);return d}}(this)),a.setSteps(a.steps+1).applyRules(["flatten","sort","distributeDisjunction"])):this};c.prototype.conjunctiveTerms=
+function(){return this.terms.some(function(b){return b.conjunctionOp()})};c.prototype.distributeConjunction=function(){var b,a;return this.conjunctionOp()&&this.disjunctiveTerms()?(b=CTATLogicTreeNode.diff(this.rules,["replaceNodes","pushNegation"]),(a=this.terms.pop()).setSteps(this.steps).terms=a.terms.map(function(c){return function(e){var d;d=c.clone();d.terms.push(e);d=d.setSteps(a.steps).applyRules(b);a.setSteps(d.steps);return d}}(this)),a.setSteps(a.steps+1).applyRules(["flatten","sort","distributeConjunction"])):
+this};c.prototype.disjunctiveTerms=function(){return this.terms.some(function(b){return b.disjunctionOp()})};c.prototype.absorb=function(){this.terms=this.terms.reduce(function(b){return function(a,c){var d,e,f,g;a instanceof Array&&(b.disjunctionOp()&&c.constant(!0)||b.conjunctionOp()&&c.constant(!1)?a=c.setSteps(b.steps+1):c.constant()&&0===a.length?a.push(c):null!=(e=a[a.length-1])&&e.equals(c,!1)?b.setSteps(b.steps+1):null!=(f=a[a.length-1])&&f.equals(c,!0)?a=(new CTATLogicConstantNode(b.disjunctionOp(),
+CTATLogicTreeNode.operatorStrings[b.disjunctionOp()])).setSteps(b.steps+1):c.junctionOp()&&a.find(function(b){return c.subterm(b,!1)})?b.setSteps(b.steps+1):c.junctionOp()&&(d=a.find(function(b){return c.subterm(b,!0)}))?(b.setSteps(b.steps+1),a.push(c.removeInverse(d))):(null!=(g=a[0])&&g.constant()&&(a.pop(),b.setSteps(b.steps+1)),a.push(c)));return a}}(this),[]);return this.terms instanceof Array?this.prune():this.terms};c.prototype.subterm=function(b,a){return this.terms.some(function(c){return b.equals(c,
+a)})};c.prototype.removeInverse=function(b){this.terms=this.terms.filter(function(a){return!b.equals(a,!0)});return this.prune()};c.prototype.prune=function(){return 1===this.terms.length?this.terms[0].setSteps(this.steps):this};c.prototype.sort=function(){this.terms=this.terms.sort(function(b,a){return b.compare(a)});return this};c.prototype.compare=function(b){var a;return(a=c.__super__.compare.apply(this,arguments))||this.terms.some(function(c,d){return a=c.compare(b.terms[d])})&&a||this.compareNegations(b)};
+c.prototype.countVariables=function(){return this.terms.reduce(function(b,a){return b+a.countVariables()},0)};c.prototype.countLevels=function(){return 1+this.terms.reduce(function(b,a){return Math.max(b,a.countLevels())},0)};return c}(CTATLogicTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATLogicFlattenNode=a}).call(this);var CTATLogicParser={};
+(function(){var a;a=function(){function a(a){this.parser=new CTATLogicGrammar.Parser;this.parser.yy={CTATLogicRelationNode:CTATLogicRelationNode,CTATLogicFlattenNode:CTATLogicFlattenNode,CTATLogicVariableNode:CTATLogicVariableNode,CTATLogicConstantNode:CTATLogicConstantNode,CTATLogicTreeNode:CTATLogicTreeNode};this.parser.yy.variableTable=a}a.SORTRule=["sort"];a.NNFRules="replaceNodes pushNegation flatten sort absorb sort".split(" ");a.CNFRules="replaceNodes pushNegation flatten sort distributeDisjunction absorb sort".split(" ");a.DNFRules=
+"replaceNodes pushNegation flatten sort distributeConjunction absorb sort".split(" ");a.NNFTests=["normalFormOperators","atomicNegation"];a.CNFTests=["normalFormOperators","atomicNegation","atomicDisjunction"];a.DNFTests=["normalFormOperators","atomicNegation","atomicConjunction"];a.prototype.getTree=function(a,d,c){null==d&&(d=!1);null==c&&(c=!1);if(a instanceof CTATLogicTreeNode)a=d?a.clone():a;else{var b;if(a instanceof String)try{b=Object.assign(this.parser.parse(a),{path:a.path})}catch(e){b=
+null}else try{b=this.parser.parse(String(a))}catch(e){b=null}a=b}c&&null!=a&&a.setSteps(0);return a};a.prototype.getExpression=function(a,d,c){null==c&&(c=!1);return a instanceof CTATLogicTreeNode?d:"string"===typeof d?d:null!=(null!=d?d.path:void 0)?Object.assign(new String(d.toString(c)),{path:d.path}):null!=(null!=d?d.steps:void 0)?Object.assign(new String(d.toString(c)),{steps:d.steps}):null!=d?d.toString(c):d};a.prototype.equalExpressions=function(a,d){return a instanceof CTATLogicTreeNode?a.toString()===
+d.toString():a instanceof String?a.toString()===d.toString():a===d};a.prototype.logicSetMode=function(a){Object.assign(this.parser.yy,a);return a};a.prototype.logicParse=function(a){return this.getTree(a)};a.prototype.logicGetError=function(a){try{return a instanceof CTATLogicTreeNode||this.parser.parse(String(a)),null}catch(d){return d}};a.prototype.logicStringify=function(a){return this.getExpression("",a,this.parser.yy.strictMode)};a.prototype.logicEvaluate=function(a,d){null==d&&(d=null);try{return this.getTree(a).evaluate(d)}catch(c){return null}};
+a.prototype.logicSort=function(f){return this.getExpression(f,this.getTree(f,!0).applyRules(a.SORTRule,!1,!0))};a.prototype.logicGetOperator=function(a,d){var c;null==d&&(d=!1);return null!=(c=this.getTree(a))?c.getOperator(d):void 0};a.prototype.logicGetOperators=function(a,d){var c;null==d&&(d=!1);return null!=(c=this.getTree(a))?c.getOperators(d):void 0};a.prototype.logicGetVariables=function(a){var d;return null!=(d=this.getTree(a))?d.getVariables():void 0};a.prototype.logicGetOperands=function(a){var d;
+return null!=(d=this.getTree(a))?d.getOperands().map(function(c){return function(b){return c.getExpression(a,b)}}(this)):void 0};a.prototype.logicFindOperator=function(a,d,c){var b,e;null==c&&(c="none");return null!=(b=this.getTree(a))?null!=(e=b.findOperator(d,[],c))?e.map(function(b){return function(c){return b.getExpression(a,c)}}(this)):void 0:void 0};a.prototype.logicFindExpression=function(a,d){var c,b;return null!=(c=this.getTree(a))?null!=(b=c.findExpression(this.getTree(d),[]))?b.map(function(b){return function(c){return b.getExpression(a,
+c)}}(this)):void 0:void 0};a.prototype.logicFindRule=function(a,d,c){var b,e;null==c&&(c=!1);return null!=(b=this.getTree(a))?null!=(e=b.findRule(d,[],c))?e.map(function(b){return function(c){return b.getExpression(a,c)}}(this)):void 0:void 0};a.prototype.logicApplyRules=function(a,d,c,b){var e;null==c&&(c=!1);null==b&&(b=!1);return this.getExpression(a,function(){try{return(e=this.getTree(a,b))&&e.applyRules(d,c,b)}catch(h){}}.call(this))};a.prototype.logicReplaceExpression=function(a,d,c,b){var e,
+f;null==b&&(b=null);b=(null!=b?b:null!=(e=d.path)?e.slice(0):void 0)||0;return this.getExpression(a,(null!=(f=this.getTree(a))?f.replaceExpression(this.getTree(d),this.getTree(c),b):void 0)||null)};a.prototype.logicSimplifyNNF=function(f,d){null==d&&(d=!1);return this.getExpression(f,function(){try{return this.getTree(f,!0,d).applyRules(a.NNFRules,!1,!0)}catch(c){return null}}.call(this))};a.prototype.logicSimplifyCNF=function(f,d){null==d&&(d=!1);return this.getExpression(f,function(){try{return this.getTree(f,
+!0,d).applyRules(a.CNFRules,!1,!0)}catch(c){return null}}.call(this))};a.prototype.logicSimplifyDNF=function(f,d){null==d&&(d=!1);return this.getExpression(f,function(){try{return this.getTree(f,!0,d).applyRules(a.DNFRules,!1,!0)}catch(c){return null}}.call(this))};a.prototype.logicValid=function(a){return null!=this.logicParse(a)};a.prototype.logicValued=function(a,d){null==d&&(d=null);return null!=this.logicEvaluate(a,d)};a.prototype.logicSorted=function(a){var d,c;return null!=(d=this.logicSort(a))&&
+null!=(c=this.getExpression(a,this.getTree(a)))?this.equalExpressions(d,c):null};a.prototype.logicCheckNNF=function(f){try{return this.getTree(f).applyTests(a.NNFTests)}catch(d){return null}};a.prototype.logicCheckCNF=function(f){try{return this.getTree(f).applyTests(a.CNFTests)}catch(d){return null}};a.prototype.logicCheckDNF=function(f){try{return this.getTree(f).applyTests(a.DNFTests)}catch(d){return null}};a.prototype.logicSimplifiedNNF=function(a){var d,c;return null!=(d=this.logicSimplifyNNF(a))&&
+null!=(c=this.logicSort(a))?this.equalExpressions(d,c):null};a.prototype.logicSimplifiedCNF=function(a){var d,c;return null!=(d=this.logicSimplifyCNF(a))&&null!=(c=this.logicSort(a))?this.equalExpressions(d,c):null};a.prototype.logicSimplifiedDNF=function(a){var d,c;return null!=(d=this.logicSimplifyDNF(a))&&null!=(c=this.logicSort(a))?this.equalExpressions(d,c):null};a.prototype.logicIdentical=function(a,d){return null!=(a=this.logicSort(a))&&null!=(d=this.logicSort(d))?this.equalExpressions(a,d):
+null};a.prototype.logicEqual=function(a,d,c){null==c&&(c=null);a=this.logicEvaluate(a,c);d=this.logicEvaluate(d,bingings);if(null!=a&&null!=d)return a===d;if(null===a||null===d)return null};a.prototype.logicEquivalent=function(a,d){return null!=(a=this.logicSimplifyDNF(a))&&null!=(d=this.logicSimplifyDNF(d))?this.equalExpressions(a,d):null};a.prototype.logicSemanticEquivalent=function(a,d){try{return!this.getTree(a).findCounterExample(this.getTree(d))}catch(c){return null}};a.prototype.logicFindCounterExample=
+function(a,d){try{return this.getTree(a).findCounterExample(this.getTree(d))}catch(c){return null}};return a}();"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATLogicParser=a}).call(this);var CTATChemTreeNode={};
+(function(){var a;a=function(){function a(){}a.operators=[["CONST"],["VAR"],["EXP","ROOT"],["UPLUS","UMINUS"],["ITIMES","TIMES","DIVIDE"],["IDIVIDE","REM"],["PLUS","MINUS"],"LESS LESSEQUAL EQUAL NOTEQUAL GREATEREQUAL GREATER".split(" ")];a.relationalOperators="LESS LESSEQUAL EQUAL NOTEQUAL GREATEREQUAL GREATER".split(" ");a.operatorPrecedence=function(a,d){return Math.sign(this.operators.findIndex(function(c){return c.includes(a)})-this.operators.findIndex(function(a){return a.includes(d)}))};a.operatorStrings=
+{EXP:"^",ROOT:"|",UPLUS:"+",UMINUS:"-",ITIMES:"",TIMES:"*",DIVIDE:"/",IDIVIDE:"//",REM:"%",PLUS:"+",MINUS:"-",LESS:"<",LESSEQUAL:"<=",EQUAL:"=",NOTEQUAL:"!=",GREATEREQUAL:">=",GREATER:">"};a.toOperatorString=function(a){return this.operatorStrings[a]||""};a.diff=function(a,d){return a.filter(function(a){return!d.includes(a)})};a.round=function(a,d){var c;"number"!==typeof a&&(a=parseFloat(a));d="number"===typeof d&&0===d%1?d:CTATChemParser.CHEM_DECIMAL_PRECISION;-1<d&&(c=Math.pow(10,d),a=Math.round(a*
+c)/c);return a};a.prototype.toString=function(a,d,c){var b;null==d&&(d="");null==c&&(c=!1);c&&(a=d+a+d);this.checkParens()&&(a="("+a+")");this.inverted()&&(a="1/"+a);this.negated()&&(a="-"+a);d=0;for(b=this.parens;0<=b?d<b:d>b;0<=b?++d:--d)a="("+a+")";this.units&&(a+=this.units.toString(c));return a};a.prototype.setParens=function(a,d){null==d&&(d=!1);this.checkParens(a,d)&&(this.parens=1);return this};a.prototype.checkParens=function(f,d){var c;null==d&&(d=!1);null!=f?c=this.negated()?"UMINUS":this.inverted()?
+"DIVIDE":this.operator:(f=this.negated()?"MINUS":this.inverted()?"DIVIDE":null,c=this.operator);c=a.operatorPrecedence(f,c);return null!=f&&(0>c||0===c&&d)};a.prototype.evaluate=function(a){return this.sign*Math.pow(a,this.exp)};a.prototype.applyOperator=function(f,d){var c;switch(this.operator){case "LESS":c=f<d;break;case "GREATER":c=f>d;break;case "LESSEQUAL":c=f<=d;break;case "GREATEREQUAL":c=f>=d;break;case "EQUAL":c=f===d;break;case "NOTEQUAL":c=f!==d;break;case "PLUS":c=a.round(f+d);break;
+case "MINUS":c=a.round(f-d);break;case "TIMES":case "ITIMES":c=a.round(f*d);break;case "DIVIDE":c=a.round(f/d);break;case "EXP":c=a.round(Math.pow(f,d));break;case "ROOT":c=a.round(Math.pow(f,1)/d);break;case "REM":c=f%d;break;case "IDIVIDE":c=Math.floor(f/d);break;case "UPLUS":c=f;break;case "UMINUS":c=-f}return c};a.prototype.equals=function(a){return a&&this.operator===a.operator&&this.sign===a.sign&&this.exp===a.exp&&this.parens===a.parens};a.prototype.simplify=function(a){this.methods=a;return this.simplifyNode(this.methods)};
+a.prototype.simplifyNode=function(a){var d,c,b,e;this.methods=a;e=this;b=this.methods;a=0;for(d=b.length;a<d;a++)c=b[a],e=e[c].call(e),e.methods=this.methods;delete e.methods;return e};a.prototype.simpleFlatten=function(){return this};a.prototype.flatten=function(){return this};a.prototype.computeConstants=function(){return this};a.prototype.combineSimilar=function(){return this};a.prototype.expand=function(){return this};a.prototype.distribute=function(){return this};a.prototype.removeIdentity=function(){return this};
+a.prototype.sort=function(){return this};a.prototype.spreadIdentity=function(){return this};a.prototype.stripIdentity=function(){return this};a.prototype.multiplyOne=function(a){null==a&&(a=!1);return(new CTATChemMultiplicationNode("TIMES",[new CTATChemConstantNode(1,a),this])).popNegation().pushNegation()};a.prototype.powerOne=function(a){null==a&&(a=!1);return(new CTATChemPowerNode("EXP",this,new CTATChemConstantNode(1,a))).popInversion().pushInversion().popNegation()};a.prototype.compare=function(f,
+d){return a.operatorPrecedence(this.operator,f.operator)};a.prototype.compareSigns=function(a,d){return(Math.sign(this.sign-a.sign)||Math.sign(this.exp-a.exp))*d};a.prototype.countVariables=function(){return 0};a.prototype.pushNegation=function(){return this};a.prototype.popNegation=function(){return this};a.prototype.pushInversion=function(){return this};a.prototype.popInversion=function(){return this};a.prototype.negate=function(){this.sign=-this.sign;return this};a.prototype.invert=function(){this.exp=
+-this.exp;return this};a.prototype.addition=function(){return"PLUS"===this.operator};a.prototype.subtraction=function(){return"MINUS"===this.operator};a.prototype.multiplication=function(){return"TIMES"===this.operator};a.prototype.division=function(){return"DIVIDE"===this.operator};a.prototype.intDivision=function(){return"IDIVIDE"===this.operator};a.prototype.power=function(){return"EXP"===this.operator};a.prototype.root=function(){return"ROOT"===this.operator};a.prototype.negation=function(){return"UMINUS"===
+this.operator};a.prototype.unary=function(){var a;return"UPLUS"===(a=this.operator)||"UMINUS"===a};a.prototype.constant=function(a){return!1};a.prototype.integer=function(){return!1};a.prototype.negated=function(){return 0>this.sign};a.prototype.inverted=function(){return 0>this.exp};a.prototype.parented=function(){return 0<this.parens};a.prototype.even=function(){return!1};a.prototype.setUnit=function(a){this.units=a;return this};a.prototype.getVariables=function(){return[]};a.prototype.setVariable=
+function(){return this};return a}();"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATChemTreeNode=a}).call(this);var CTATChemRelationNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var d in c)f.call(c,d)&&(a[d]=c[d]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(a,c,d,f,g,n){this.operator=a;this.left=c;this.right=d;this.parens=null!=f?f:0;this.sign=null!=g?g:1;this.exp=null!=n?n:1}g(c,a);c.prototype.clone=function(){return new c(this.operator,this.left.clone(),this.right.clone(),this.parens,this.sign,this.exp)};c.prototype.toString=
+function(a){null==a&&(a=!1);this.left.setParens(this.operator);this.right.setParens(this.operator);return c.__super__.toString.call(this,""+this.left.toString(a)+CTATChemTreeNode.toOperatorString(this.operator)+this.right.toString(a))};c.prototype.evaluate=function(){return this.applyOperator(this.left.evaluate(),this.right.evaluate())};c.prototype.equals=function(a){return c.__super__.equals.call(this,a)&&this.left.equals(a.left)&&this.right.equals(a.right)};c.prototype.simplify=function(a){this.methods=
+a;this.left=this.left.simplify(this.methods);this.right=this.right.simplify(this.methods);return c.__super__.simplify.apply(this,arguments)};c.prototype.computeConstants=function(){return this.left.constant()&&this.right.constant()?new CTATChemConstantNode(this.evaluate()):this};c.prototype.sort=function(){var a;switch(this.operator){case "GREATER":this.operator="LESS";a=[this.right,this.left];this.left=a[0];this.right=a[1];break;case "GREATEREQUAL":this.operator="LESSEQUAL";a=[this.right,this.left];
+this.left=a[0];this.right=a[1];break;case "EQUAL":case "NOTEQUAL":0>this.left.compare(this.right)&&(a=[this.right,this.left],this.left=a[0],this.right=a[1])}return this};c.prototype.countVariables=function(){return this.left.countVariables()+this.right.countVariables()};c.prototype.getVariables=function(){return this.left.getVariables().concat(this.right.getVariables())};c.prototype.setVariable=function(a,c,d){return[this.left,this.right].forEach(function(b){return function(e,f){var g;return"VAR"===
+e.operator&&e.variable===a?(g=d(),g.sign=e.sign,g.exp=e.exp,0===f?b.left=g:b.right=g):e.setVariable(a,c,d)}}(this))};return c}(CTATChemTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATChemRelationNode=a}).call(this);var CTATChemAdditionNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var d in c)f.call(c,d)&&(a[d]=c[d]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(a,c,d,f,g){this.operator=a;this.terms=c;this.parens=null!=d?d:0;this.sign=null!=f?f:1;this.exp=null!=g?g:1}g(c,a);c.prototype.clone=function(){return new c(this.operator,this.terms.map(function(a){return a.clone()}),this.parens,this.sign,this.exp)};c.prototype.toString=function(a){null==
+a&&(a=!1);return c.__super__.toString.call(this,this.terms.reduce(function(b){return function(c,d){d.setParens(b.operator);return""+c+(c&&!d.negated()?"+":"")+d.toString(a)}}(this),""))};c.prototype.evaluate=function(){return c.__super__.evaluate.call(this,this.terms.reduce(function(a){return function(b,c){return a.applyOperator(b,c.evaluate())}}(this),0))};c.prototype.equals=function(a){return c.__super__.equals.call(this,a)&&this.terms.length===a.terms.length&&this.terms.every(function(b,c){return b.equals(a.terms[c])})};
+c.prototype.simplify=function(a){this.methods=a;this.terms=this.terms.map(function(a){return function(b){return b.simplify(a.methods)}}(this));return c.__super__.simplify.apply(this,arguments)};c.prototype.simpleFlatten=function(){this.terms[0].negation()&&!this.terms[0].inverted()&&(this.terms[0]=this.terms[0].base.negate());this.subtraction()&&(this.terms[1].negate(),this.operator="PLUS");this.terms=this.terms.reduce(function(a,c){c.inverted()||c.parented()||!c.addition()?a.push(c):a.push.apply(a,
+c.pushNegation().terms);return a},[]);return this};c.prototype.flatten=function(){this.simpleFlatten();return this.pushNegation()};c.prototype.computeConstants=function(){var a,c;0<=(c=this.terms.findIndex(function(a){return a.constant()}))&&(a=this.terms[c].evaluate(),this.terms=this.terms.filter(function(b){return function(d,e){return e<=c||!d.constant()||(a=b.applyOperator(a,d.evaluate()))&&!1}}(this)),0===a&&1<this.terms.length?this.terms.splice(c,1):this.terms[c].set(a));return 1<this.terms.length?
+this:this.pushInversion().terms[0]};c.prototype.combineSimilar=function(){var a;a=[];this.terms.forEach(function(b){var c,d,e;c=null;b.constant()?c=[null,b]:(b=b.multiplyOne(),c=[b,b.factors.shift()]);d=c[1].evaluate();e=c[1].precision;if(b=a.find(function(a){var b;return null!=(b=a[0])?b.equals(c[0]):void 0})){if(b[1]+=d,0>CTATChemParser.chemCompPrecision(e,b.leastPrecision))return b.leastPrecision=e}else return b=[c[0],d],b.leastPrecision=e,a.push(b)});this.terms=a.reduce(function(a,b){0!==b[1]&&
+(b[1]=(new CTATChemConstantNode(b[1],!1,0,1,1,void 0)).popNegation(),b[0]?(b[0].factors.unshift(b[1]),a.push(b[0].removeIdentity())):a.push(b[1]));return a},[]);if(1<this.terms.length)return this;1!==this.terms.length&&(this.terms[0]=new CTATChemConstantNode(0));return this.pushInversion().terms[0]};c.prototype.removeIdentity=function(a){var b;null==a&&(a=!1);b=this.terms.filter(function(b){return!b.constant(0,a)});this.terms=b.length?b:this.terms.slice(0,1);return 1<this.terms.length?this:this.pushInversion().terms[0]};
+c.prototype.sort=function(){this.spreadIdentity();this.terms=this.terms.sort(function(a,c){return-a.compare(c,!0)});return this.stripIdentity()};c.prototype.spreadIdentity=function(){this.terms=this.terms.map(function(a){return a.multiplyOne(!0)});return this};c.prototype.stripIdentity=function(){this.terms=this.terms.map(function(a){return a.removeIdentity(!0)});return this};c.prototype.compare=function(a,d){var b;return(b=c.__super__.compare.apply(this,arguments))||this.countVariables()-a.countVariables()||
+this.terms.some(function(c,e){return b=c.compare(a.terms[e],d)})&&b||this.compareSigns(a,d)};c.prototype.countVariables=function(){return this.terms.reduce(function(a,c){return a+c.countVariables()},0)};c.prototype.pushNegation=function(){this.negated()&&(this.negate(),this.terms.forEach(function(a){return a.negate()}));return this};c.prototype.popNegation=function(){this.terms[0].negated()&&(this.negate(),this.terms.forEach(function(a){return a.negate()}));return this};c.prototype.pushInversion=
+function(){this.inverted()&&(this.invert(),this.terms[0].invert());return this};c.prototype.even=function(){return!this.inverted&&this.terms.every(function(a){return a.even()})};c.prototype.getVariables=function(){var a;a=[];this.terms.forEach(function(b){return function(b){return a=a.concat(b.getVariables())}}(this));return a};c.prototype.setVariable=function(a,c,d){var b,e,f;b=0;for(f=[];b<this.terms.length;)"VAR"===this.terms[b].operator&&this.terms[b].variable===a?(e=d(),e.sign=this.terms[b].sign,
+e.exp=this.terms[b].exp,this.terms[b]=e):this.terms[b].setVariable(a,c,d),f.push(b++);return f};return c}(CTATChemTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATChemAdditionNode=a}).call(this);var CTATChemMultiplicationNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var d in c)f.call(c,d)&&(a[d]=c[d]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(a,c,d,f,g){this.operator=a;this.factors=c;this.parens=null!=d?d:0;this.sign=null!=f?f:1;this.exp=null!=g?g:1}g(c,a);c.prototype.clone=function(){return new c(this.operator,this.factors.map(function(a){return a.clone()}),this.parens,this.sign,this.exp)};c.prototype.toString=
+function(a){null==a&&(a=!1);return c.__super__.toString.call(this,this.factors.reduce(function(b){return function(c,d){var e,f;f=d.inverted()?(d.invert(),d.setParens("DIVIDE",!!c),e=d.toString(a),d.invert(),"/"):(d.setParens(b.operator,!!c),/^[\d+-]/.test(e=d.toString(a))&&/\d$/.test(c)?"*":"");return""+c+(c?f:"")+e}}(this),this.factors[0].inverted()?"1":""))};c.prototype.evaluate=function(){return c.__super__.evaluate.call(this,this.factors.reduce(function(a){return function(b,c){return a.applyOperator(b,
+c.evaluate())}}(this),1))};c.prototype.equals=function(a){return c.__super__.equals.call(this,a)&&this.factors.length===a.factors.length&&this.factors.every(function(b,c){return b.equals(a.factors[c])})};c.prototype.simplify=function(a){this.methods=a;this.factors=this.factors.map(function(a){return function(b){return b.simplify(a.methods)}}(this));return c.__super__.simplify.apply(this,arguments)};c.prototype.simpleFlatten=function(){this.division()&&this.factors[1].invert();this.operator="TIMES";
+this.factors=this.factors.reduce(function(a,c){c.parented()||!c.multiplication()?a.push(c):a.push.apply(a,c.pushNegation().pushInversion().factors);return a},[]);return this};c.prototype.flatten=function(){this.simpleFlatten();return this.popNegation()};c.prototype.computeConstants=function(){var a,c;0<=(c=this.factors.findIndex(function(a){return a.constant()}))&&(a=this.factors[c].evaluate(),this.factors=this.factors.filter(function(b){return function(d,e){return e<=c||!d.constant()||(a=b.applyOperator(a,
+d.evaluate()))&&!1}}(this)),1===a&&1<this.factors.length?this.factors.splice(c,1):this.factors[c].set(a));return 1<this.factors.length?this:this.pushNegation().pushInversion().factors[0]};c.prototype.combineSimilar=function(){var a;a=[];this.factors.forEach(function(b){var c,d,e,f;f=b.constant()?[null,b]:b.power()?b.exponent.constant()?(b.pushInversion(),[b.base,b.exponent]):(b.exponent=b.exponent.multiplyOne(),[b,b.exponent.factors.shift()]):(b=b.powerOne(),[b.base,b.exponent]);return(c=a.find(function(a){var b;
+return null!=(b=a[0])?b.equals(f[0]):void 0}))?c[1]+=(null!=(d=f[1])?d.evaluate():void 0)||1:a.push([f[0],(null!=(e=f[1])?e.evaluate():void 0)||1])});this.factors=a.reduce(function(a,b){0!==b[1]&&(b[1]=(new CTATChemConstantNode(b[1])).popNegation(),b[0]?b[1].constant(1)?a.push(b[0]):b[1].constant(-1)?a.push(b[0].invert()):b[0].power()?(b[0].exponent.factors.unshift(b[1]),a.push(b[0])):a.push((new CTATChemPowerNode("EXP",b[0],b[1])).popInversion()):a.push(b[1]));return a},[]);if(1<this.factors.length)return this;
+1!==this.factors.length&&(this.factors[0]=new CTATChemConstantNode(1));return this.pushNegation().pushInversion().factors[0]};c.prototype.distribute=function(){var a,c;a=this.factors.filter(function(a){return!a.inverted()});c=this.factors.filter(function(a){return a.inverted()});return!this.distributedOrSingle(a)||!this.distributedOrSingle(c)||this.single(a)&&c.length&&this.distributed(c)?(this.distributed(c)?(a=this.distributeFactors(this.factors),c=[]):this.distributed(a)?(c=this.distributeFactors(this.factors),
+a=[]):(a=this.distributeFactors(a),c=this.distributeFactors(c)),this.factors=c.length?a.length?[this.packTerms(a),this.packTerms(c).invert()]:[this.packTerms(c).invert()]:[this.packTerms(a)],1<this.factors.length?this:this.pushNegation().pushInversion().factors[0]):this};c.prototype.distributedOrSingle=function(a){return this.distributed(a)||this.single(a)};c.prototype.distributed=function(a){return a.every(function(a){return!a.addition()})};c.prototype.single=function(a){return 1===a.length&&a[0].addition()};
+c.prototype.distributeFactors=function(a){var b;b=a[0].addition()?a[0].terms.map(function(a){return a.multiplication()?a.pushNegation().factors:[a]}):[[a[0]]];a.slice(1).forEach(function(a){var c;return a.addition()?1===b.length?b=a.terms.map(function(a){var c;c=b[0].map(function(a){return a.clone()});a.multiplication()?c.push.apply(c,a.pushNegation().factors):c.push(a);return c}):b=b.reduce(function(b,c){b.push.apply(b,a.terms.map(function(a){var b;b=c.map(function(a){return a.clone()});a.multiplication()?
+b.push.apply(b,a.pushNegation().factors.map(function(a){return a.clone()})):b.push(a.clone());return b}));return b},[]):1===b.length?a.multiplication()?(c=b[0]).push.apply(c,a.pushNegation().factors):b[0].push(a):b.forEach(function(c,d){var e;return a.multiplication()?(e=b[d]).push.apply(e,a.pushNegation().factors.map(function(a){return a.clone()})):b[d].push(a.clone())})});return b};c.prototype.packTerms=function(a){var b;b=CTATChemTreeNode.diff(this.methods,["flatten","distribute"]);return(new CTATChemAdditionNode("PLUS",
+a.map(function(a){return(new c("TIMES",a)).popNegation().simplifyNode(b)}))).simplifyNode(b)};c.prototype.removeIdentity=function(a){var b;null==a&&(a=!1);this.popNegation();b=this.factors.filter(function(b){return!b.constant(1,a)});this.factors=b.length?b:this.factors.slice(0,1);(b=this.factors.find(function(b){return b.constant(0,a)}))&&this.factors.every(function(a){return!a.inverted()&&(!a.power()||a.exponent.constant())})&&(this.factors=[b]);return 1<this.factors.length?this:this.pushNegation().pushInversion().factors[0]};
+c.prototype.sort=function(){this.spreadIdentity();this.factors=this.factors.sort(function(a,c){return a.compare(c)});return this.stripIdentity()};c.prototype.spreadIdentity=function(){this.factors=this.factors.map(function(a){return a.powerOne(!0)});return this};c.prototype.stripIdentity=function(){this.factors=this.factors.map(function(a){return a.removeIdentity(!0)});return this.popNegation()};c.prototype.multiplyOne=function(a){null==a&&(a=!1);this.factors[0].constant()||this.factors.unshift(new CTATChemConstantNode(1,
+a));return this.pushNegation()};c.prototype.compare=function(a,d){var b,e;return(e=c.__super__.compare.apply(this,arguments))||this.countVariables()-a.countVariables()||(b=a.factors.slice(0).reverse())&&this.factors.slice(0).reverse().some(function(a,c){return e=a.compare(b[c],d)})&&e||this.compareSigns(a,d)};c.prototype.countVariables=function(){return this.factors.reduce(function(a,c){return a+c.countVariables()},0)};c.prototype.pushNegation=function(){this.negated()&&(this.negate(),this.factors[0].negate());
+return this};c.prototype.popNegation=function(){this.factors.forEach(function(a){return function(b){if(b.negated())return a.negate(),b.negate()}}(this));return this};c.prototype.pushInversion=function(){this.inverted()&&(this.invert(),this.factors.forEach(function(a){return a.invert()}));return this};c.prototype.even=function(){return!this.inverted()&&this.factors.every(function(a){return a.integer()})&&this.factors.some(function(a){return a.even()})};c.prototype.getVariables=function(){var a;a=[];
+this.factors.forEach(function(b){return function(b){return a=a.concat(b.getVariables())}}(this));return a};c.prototype.setVariable=function(a,c,d){var b,e,f;b=0;for(f=[];b<this.factors.length;)"VAR"===this.factors[b].operator&&this.factors[b].variable===a?(e=d(),e.sign=this.factors[b].sign,e.exp=this.factors[b].exp,this.factors[b]=e):this.factors[b].setVariable(a,c,d),f.push(b++);return f};return c}(CTATChemTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATChemMultiplicationNode=
+a}).call(this);var CTATChemIntDivisionNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var d in c)f.call(c,d)&&(a[d]=c[d]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(a,c,d,f,g,n){this.operator=a;this.dividend=c;this.divisor=d;this.parens=null!=f?f:0;this.sign=null!=g?g:1;this.exp=null!=n?n:1}g(c,a);c.prototype.clone=function(){return new c(this.operator,this.dividend.clone(),this.divisor.clone(),this.parens,this.sign,this.exp)};c.prototype.toString=
+function(a){null==a&&(a=!1);this.dividend.setParens(this.operator);this.divisor.setParens(this.operator,!0);return c.__super__.toString.call(this,""+this.dividend.toString(a)+CTATChemTreeNode.toOperatorString(this.operator)+this.divisor.toString(a))};c.prototype.evaluate=function(){return c.__super__.evaluate.call(this,this.applyOperator(this.dividend.evaluate(),this.divisor.evaluate()))};c.prototype.equals=function(a){return c.__super__.equals.call(this,a)&&this.dividend.equals(a.dividend)&&this.divisor.equals(a.divisor)};
+c.prototype.simplify=function(a){this.methods=a;this.dividend=this.dividend.simplify(this.methods);this.divisor=this.divisor.simplify(this.methods);return c.__super__.simplify.apply(this,arguments)};c.prototype.computeConstants=function(){return this.dividend.constant()&&this.divisor.constant()?new CTATChemConstantNode(this.evaluate()):this};c.prototype.removeIdentity=function(a){null==a&&(a=!1);return this.divisor.constant(1,a)?(this.intDivision()||(this.dividend=new CTATChemConstantNode(0,a)),this.pushNegation().pushInversion().dividend):
+this.popNegation()};c.prototype.compare=function(a,d){return c.__super__.compare.apply(this,arguments)||this.dividend.compare(a.dividend,d)||this.divisor.compare(a.divisor,d)||this.operator!==a.operator&&(this.intDivision()&&-1||1)||this.compareSigns(a,d)};c.prototype.countVariables=function(){return this.dividend.countVariables()+divisor.countVariables()};c.prototype.pushNegation=function(){this.intDivision()&&this.negated()&&(this.negate(),this.dividend.negate());return this};c.prototype.pushInversion=
+function(){this.intDivision()&&this.inverted()&&(this.invert(),this.dividend.invert());return this};c.prototype.popNegation=function(){this.divisor.negated()&&(this.divisor.negate(),this.intDivision()&&this.dividend.negate());return this};c.prototype.even=function(){return!this.inverted&&"REM"===this.operator&&this.dividend.even()&&this.divisor.even()};c.prototype.getVariables=function(){return this.dividend.getVariables().concat(this.divisor.getVariables())};c.prototype.setVariable=function(a,c,
+d){return[this.dividend,this.divisor].forEach(function(b){return function(e,f){var g;return"VAR"===e.operator&&e.variable===a?(g=d(),g.sign=e.sign,g.exp=e.exp,0===f?b.dividend=g:b.divisor=g):e.setVariable(a,c,d)}}(this))};return c}(CTATChemTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATChemIntDivisionNode=a}).call(this);var CTATChemUnaryNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var d in c)f.call(c,d)&&(a[d]=c[d]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(a,c,d,f,g){this.operator=a;this.base=c;this.parens=null!=d?d:0;this.sign=null!=f?f:1;this.exp=null!=g?g:1}g(c,a);c.prototype.clone=function(){return new c(this.operator,this.base,this.parens,this.sign,this.exp)};c.prototype.toString=function(a){null==a&&(a=!1);this.base.setParens(this.operator);
+return c.__super__.toString.call(this,""+CTATChemTreeNode.toOperatorString(this.operator)+this.base.toString(a))};c.prototype.evaluate=function(){return c.__super__.evaluate.call(this,this.applyOperator(this.base.evaluate()))};c.prototype.equals=function(a){return c.__super__.equals.call(this,a)&&this.base.equals(a.base)};c.prototype.simplify=function(a){this.methods=a;this.base=this.base.simplify(this.methods);return c.__super__.simplify.apply(this,arguments)};c.prototype.flatten=function(){this.negation()&&
+(this.negate(),this.operator="UPLUS");return this.pushNegation().pushInversion().base};c.prototype.compare=function(a,d){return a.unary()&&this.base.compare(a.base,d)||c.__super__.compare.apply(this,arguments)||this.compareSigns(a,d)};c.prototype.countVariables=function(){return this.base.countVariables()};c.prototype.pushNegation=function(){this.negated()&&(this.negate(),this.base.negate());return this};c.prototype.pushInversion=function(){this.inverted()&&(this.invert(),this.base.invert());return this};
+c.prototype.constant=function(a,c){null==c&&(c=!1);return this.base.constant(a,c)};c.prototype.getVariables=function(){return this.base.getVariables()};c.prototype.setVariable=function(a,c,d){return"VAR"===this.base.operator&&this.base.variable===a?(a=d(),a.sign=this.base.sign,a.exp=this.base.exp,this.base=a):this.base.setVariable(a,c,d)};return c}(CTATChemTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATChemUnaryNode=a}).call(this);var CTATChemPowerNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var d in c)f.call(c,d)&&(a[d]=c[d]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(a,c,d,f,g,n){this.operator=a;this.base=c;this.exponent=d;this.parens=null!=f?f:0;this.sign=null!=g?g:1;this.exp=null!=n?n:1}g(c,a);c.prototype.clone=function(){return new c(this.operator,this.base.clone(),this.exponent.clone(),this.parens,this.sign,this.exp)};c.prototype.toString=
+function(a){null==a&&(a=!1);this.base.setParens(this.operator);this.exponent.setParens(this.operator);return c.__super__.toString.call(this,""+this.base.toString(a)+CTATChemTreeNode.toOperatorString(this.operator)+this.exponent.toString(a))};c.prototype.evaluate=function(){return c.__super__.evaluate.call(this,this.applyOperator(this.base.evaluate(),this.exponent.evaluate()))};c.prototype.equals=function(a){return c.__super__.equals.call(this,a)&&this.base.equals(a.base)&&this.exponent.equals(a.exponent)};
+c.prototype.simplify=function(a){this.methods=a;this.base=this.base.simplify(this.methods);this.exponent=this.exponent.simplify(this.methods);return c.__super__.simplify.apply(this,arguments)};c.prototype.flatten=function(){var a,c;this.root()&&(this.exponent.invert(),this.operator="EXP");this.popNegation().popInversion();return this.base.power()?(c=CTATChemTreeNode.diff(this.methods,["flatten"]),a=this.base.exponent.multiplication()?this.base.exponent.pushNegation().pushInversion().factors:[this.base.exponent],
+this.exponent.multiplication()?a.push.apply(a,this.exponent.pushNegation().pushInversion().factors):a.push(this.exponent),this.base.exponent=(new CTATChemMultiplicationNode("TIMES",a)).simplifyNode(c),this.pushBaseNegation().pushBaseInversion().base):this};c.prototype.computeConstants=function(){return this.base.constant()&&(this.exponent.constant()||this.exponent.multiplication()&&this.exponent.factors[0].constant())?(this.exponent.constant()?(this.base=new CTATChemConstantNode(this.evaluate()),
+this.exponent=null):(this.base=new CTATChemConstantNode((new c("EXP",this.base,this.exponent.factors.shift())).evaluate()),1===this.exponent.factors.length&&(this.exponent=this.exponent.pushNegation().pushInversion().factors[0])),this.exponent?this:this.pushBaseNegation().pushBaseInversion().base):this};c.prototype.powerOne=function(a){null==a&&(a=!1);this.exponent=this.exponent.multiplyOne(a);return this.pushInversion()};c.prototype.expand=function(){var a,c,d;if(this.base.addition()&&(this.exponent.integer()&&
+1<this.exponent.value||this.exponent.multiplication()&&this.exponent.factors[0].integer()&&1<this.exponent.factors[0].value)){this.exponent.integer()?(a=this.exponent,this.exponent=null):(a=this.exponent.factors.shift(),1===this.exponent.factors.length&&(this.exponent=this.exponent.pushNegation().pushInversion().factors[0]));c=[this.base];d=1;for(a=a.evaluate();1<=a?d<a:d>a;1<=a?++d:--d)c.push(this.base.clone());this.base=(new CTATChemMultiplicationNode("TIMES",c)).simplifyNode(["distribute"]);return this.exponent?
+this:this.pushBaseNegation().pushBaseInversion().base}return this};c.prototype.distribute=function(){var a;return this.base.multiplication()||this.exponent.addition()?(a=this.base.multiplication()?this.base.pushNegation().pushInversion().factors:[this.base],a=this.exponent.addition()?a.reduce(function(a){return function(b,c){b.push.apply(b,a.exponent.terms.map(function(a){return[c.clone(),a.clone()]}));return b}}(this),[]):a.map(function(a){return function(b){return[b,a.exponent.clone()]}}(this)),
+this.base=this.packFactors(a),this.pushBaseNegation().pushBaseInversion().base):this};c.prototype.packFactors=function(a){var b;b=CTATChemTreeNode.diff(this.methods,["flatten"]);return new CTATChemMultiplicationNode("TIMES",a.map(function(a){return(new c("EXP",a[0],a[1])).simplifyNode(b)}))};c.prototype.removeIdentity=function(a){null==a&&(a=!1);this.popInversion();if(this.exponent.constant(0,a))return this.base=new CTATChemConstantNode(1,a),this.pushBaseNegation().base;if(this.base.constant(0,a))return this.pushBaseInversion().base;
+if(this.exponent.constant(1,a))return this.pushBaseNegation().pushBaseInversion().base;this.exponent=this.exponent.removeIdentity(a);return this};c.prototype.compare=function(a,d){return c.__super__.compare.apply(this,arguments)||(this.countVariables()-a.countVariables())*(d?-1:1)||this.exponent.compare(a.exponent,d)||this.base.compare(a.base,d)||this.compareSigns(a,d)};c.prototype.countVariables=function(){return this.base.countVariables()*(this.exponent.constant()?Math.abs(this.exponent.evaluate()):
+Infinity)};c.prototype.pushBaseNegation=function(){this.negated()&&(this.negate(),this.base.negate());return this};c.prototype.pushInversion=function(){this.inverted()&&(this.invert(),this.exponent.negate());return this};c.prototype.pushBaseInversion=function(){this.inverted()&&(this.invert(),this.base.invert());return this};c.prototype.popNegation=function(){this.base.negated()&&this.exponent.constant()&&(this.base.negate(),this.exponent.even()||this.negate());return this};c.prototype.popInversion=
+function(){this.exponent.negated()&&(this.invert(),this.exponent.negate());this.base.inverted()&&(this.invert(),this.base.invert());return this};c.prototype.even=function(){return!this.inverted()&&this.base.even()&&this.exponent.integer()};c.prototype.getVariables=function(){return this.base.getVariables().concat(this.exponent.getVariables())};c.prototype.setVariable=function(a,c,d){return[this.base,this.exponent].forEach(function(b){return function(e,f){var g;return"VAR"===e.operator&&e.variable===
+a?(g=d(),g.sign=e.sign,g.exp=e.exp,0===f?b.base=g:b.exponent=g):e.setVariable(a,c,d)}}(this))};return c}(CTATChemTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATChemPowerNode=a}).call(this);var CTATChemVariableNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var d in c)f.call(c,d)&&(a[d]=c[d]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(a,c,d,f,g,n){this.variableTable=a;this.variable=c;this.parens=null!=d?d:0;this.sign=null!=f?f:1;this.exp=null!=g?g:1;this.symDelim=null!=n?n:"";this.operator="VAR"}g(c,a);c.prototype.clone=function(){return new c(this.variableTable,this.variable,this.parens,this.sign,this.exp)};
+c.prototype.toString=function(a){null==a&&(a=!1);return c.__super__.toString.call(this,this.variable,this.symDelim,a)};c.prototype.evaluate=function(){var a;return c.__super__.evaluate.call(this,(null!=(a=this.variableTable)?a.get(this.variable):void 0)||function(){try{return eval(this.variable)}catch(e){return NaN}}.call(this))};c.prototype.equals=function(a){return c.__super__.equals.call(this,a)&&this.variable===a.variable};c.prototype.compare=function(a,d){d=null!=d?-1:1;return c.__super__.compare.apply(this,
+arguments)||this.variable>a.variable&&d||this.variable<a.variable&&-d||this.compareSigns(a,d)};c.prototype.countVariables=function(){return 1};c.prototype.getVariables=function(){return[this.variable]};return c}(CTATChemTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATChemVariableNode=a}).call(this);var CTATChemConstantNode={};
+(function(){var a,g=function(a,c){function b(){this.constructor=a}for(var d in c)f.call(c,d)&&(a[d]=c[d]);b.prototype=c.prototype;a.prototype=new b;a.__super__=c.prototype;return a},f={}.hasOwnProperty;a=function(a){function c(a,c,d,f,g,n){this.marked=null!=c?c:!1;this.parens=null!=d?d:0;this.sign=null!=f?f:1;this.exp=null!=g?g:1;this.operator="CONST";this.precision="string"===typeof a?CTATChemParser.chemGetPrecision(a):n;0===this.precision&&(this.precision=void 0);this.value="string"===typeof a?
+parseFloat(a):a}g(c,a);c.prototype.clone=function(){return new c(this.value,this.marked,this.parens,this.sign,this.exp,this.precision)};c.prototype.toString=function(){return c.__super__.toString.call(this,this.value.toPrecision(this.precision))};c.prototype.evaluate=function(){return c.__super__.evaluate.call(this,this.value)};c.prototype.equals=function(a){return c.__super__.equals.call(this,a)&&this.value===a.value};c.prototype.multiplyOne=function(){return this};c.prototype.powerOne=function(){return this};
+c.prototype.compare=function(a,d){d=null!=d?1:-1;return c.__super__.compare.apply(this,arguments)||Math.sign(Math.abs(this.evaluate())-Math.abs(a.evaluate()))*d||this.compareSigns(a,d)};c.prototype.popNegation=function(){0>this.value&&(this.negate(),this.value=-this.value);return this};c.prototype.constant=function(a,c){null==c&&(c=!1);return null==a||this.evaluate()===a&&this.marked===c};c.prototype.integer=function(){return Math.floor(this.evaluate())===this.value};c.prototype.even=function(){return 0===
+this.evaluate()%2};c.prototype.set=function(a,c){this.exp=1;this.value=Math.abs(a);this.sign=Math.sign(a);return this.precision=c||void 0};return c}(CTATChemTreeNode);"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATChemConstantNode=a}).call(this);var CTATChemGrammar=function(){function a(){this.yy={}}var g=function(a,b,c,d){c=c||{};for(d=a.length;d--;c[a[d]]=b);return c},f=[1,6],d=[1,7],c=[1,11],b=[1,12],e=[1,13],h=[1,14],l=[1,15],m=[1,23],n=[1,24],p=[5,7,8,9,10,11,12,13,15,30],v=[1,25],q=[1,26],u=[1,29],w=[1,30],B=[5,7,8,9,10,11,12,13,15,16,18,21,22,28,29,30,31,32,33],y=[1,34],C=[5,7,8,9,10,11,12,13,15,16,18,21,22,25,28,29,30,31,32,33],A=[1,37],r=[1,38],D=[5,7,8,9,10,11,12,13,15,16,18,21,22,25,27,28,29,30,31,32,33],g={trace:function(){},
+yy:{},symbols_:{error:2,expression:3,relational:4,EOF:5,arithmetic:6,LESS:7,GREATER:8,LESSEQUAL:9,GREATEREQUAL:10,EQUAL:11,NOTEQUAL:12,PLUS:13,term:14,MINUS:15,TIMES:16,signedunitfactor:17,DIVIDE:18,unitfactor:19,factor:20,IDIVIDE:21,REM:22,signedfactor:23,unit:24,UNIT:25,atom:26,EXP:27,SQRT:28,LPAREN:29,RPAREN:30,VARIABLE:31,NUMBER:32,SUBSTANCE:33,$accept:0,$end:1},terminals_:{2:"error",5:"EOF",7:"LESS",8:"GREATER",9:"LESSEQUAL",10:"GREATEREQUAL",11:"EQUAL",12:"NOTEQUAL",13:"PLUS",15:"MINUS",16:"TIMES",
+18:"DIVIDE",21:"IDIVIDE",22:"REM",25:"UNIT",27:"EXP",28:"SQRT",29:"LPAREN",30:"RPAREN",31:"VARIABLE",32:"NUMBER",33:"SUBSTANCE"},productions_:[0,[3,2],[4,3],[4,3],[4,3],[4,3],[4,3],[4,3],[4,1],[6,3],[6,3],[6,1],[14,3],[14,3],[14,2],[14,2],[14,3],[14,3],[14,1],[17,2],[17,2],[17,1],[17,1],[23,2],[23,2],[23,1],[19,2],[24,1],[20,3],[20,2],[20,1],[26,3],[26,1],[26,1],[26,1]],performAction:function(a,b,c,d,e,f,g){b=f.length-1;switch(e){case 1:return f[b-1];case 2:this.$=new d.CTATChemRelationNode("LESS",
+f[b-2],f[b]);break;case 3:this.$=new d.CTATChemRelationNode("GREATER",f[b-2],f[b]);break;case 4:this.$=new d.CTATChemRelationNode("LESSEQUAL",f[b-2],f[b]);break;case 5:this.$=new d.CTATChemRelationNode("GREATEREQUAL",f[b-2],f[b]);break;case 6:this.$=new d.CTATChemRelationNode("EQUAL",f[b-2],f[b]);break;case 7:this.$=new d.CTATChemRelationNode("NOTEQUAL",f[b-2],f[b]);break;case 8:case 11:case 18:case 21:case 22:case 25:case 30:this.$=f[b];break;case 9:this.$=new d.CTATChemAdditionNode("PLUS",[f[b-
+2],f[b]]);break;case 10:this.$=new d.CTATChemAdditionNode("MINUS",[f[b-2],f[b]]);break;case 12:this.$=new d.CTATChemMultiplicationNode("TIMES",[f[b-2],f[b]]);break;case 13:this.$=new d.CTATChemMultiplicationNode("DIVIDE",[f[b-2],f[b]]);break;case 14:case 15:this.$=new d.CTATChemMultiplicationNode("ITIMES",[f[b-1],f[b]]);break;case 16:this.$=new d.CTATChemIntDivisionNode("IDIVIDE",f[b-2],f[b]);break;case 17:this.$=new d.CTATChemIntDivisionNode("REM",f[b-2],f[b]);break;case 19:case 23:this.$=new d.CTATChemUnaryNode("UPLUS",
+f[b]);break;case 20:case 24:this.$=new d.CTATChemUnaryNode("UMINUS",f[b]);break;case 26:this.$=f[b-1].setUnit(f[b]);break;case 27:this.$=new d.CTATChemVariableNode(d.variableTable,a.replace(/\#/g,""),0,1,1,"#");break;case 28:this.$=new d.CTATChemPowerNode("EXP",f[b-2],f[b]);break;case 29:this.$=new d.CTATChemPowerNode("ROOT",f[b],2);break;case 31:this.$=f[b-1];break;case 32:this.$=new d.CTATChemVariableNode(d.variableTable,a.replace(/\&/g,""),0,1,1,"&");break;case 33:this.$=new d.CTATChemConstantNode(a);
+break;case 34:this.$=new d.CTATChemVariableNode(d.variableTable,a.replace(/\$/g,""),0,1,1,"$")}},table:[{3:1,4:2,6:3,13:f,14:4,15:d,17:5,19:8,20:9,26:10,28:c,29:b,31:e,32:h,33:l},{1:[3]},{5:[1,16]},{5:[2,8],7:[1,17],8:[1,18],9:[1,19],10:[1,20],11:[1,21],12:[1,22],13:m,15:n},g(p,[2,11],{26:10,19:27,20:28,16:v,18:q,21:u,22:w,28:c,29:b,31:e,32:h,33:l}),g(B,[2,18]),{13:f,15:d,17:31,19:8,20:9,26:10,28:c,29:b,31:e,32:h,33:l},{13:f,15:d,17:32,19:8,20:9,26:10,28:c,29:b,31:e,32:h,33:l},g(B,[2,21]),g(B,[2,
+22],{24:33,25:y}),g(C,[2,30],{27:[1,35]}),{13:A,15:r,20:39,23:36,26:10,28:c,29:b,31:e,32:h,33:l},{6:40,13:f,14:4,15:d,17:5,19:8,20:9,26:10,28:c,29:b,31:e,32:h,33:l},g(D,[2,32]),g(D,[2,33]),g(D,[2,34]),{1:[2,1]},{6:41,13:f,14:4,15:d,17:5,19:8,20:9,26:10,28:c,29:b,31:e,32:h,33:l},{6:42,13:f,14:4,15:d,17:5,19:8,20:9,26:10,28:c,29:b,31:e,32:h,33:l},{6:43,13:f,14:4,15:d,17:5,19:8,20:9,26:10,28:c,29:b,31:e,32:h,33:l},{6:44,13:f,14:4,15:d,17:5,19:8,20:9,26:10,28:c,29:b,31:e,32:h,33:l},{6:45,13:f,14:4,15:d,
+17:5,19:8,20:9,26:10,28:c,29:b,31:e,32:h,33:l},{6:46,13:f,14:4,15:d,17:5,19:8,20:9,26:10,28:c,29:b,31:e,32:h,33:l},{13:f,14:47,15:d,17:5,19:8,20:9,26:10,28:c,29:b,31:e,32:h,33:l},{13:f,14:48,15:d,17:5,19:8,20:9,26:10,28:c,29:b,31:e,32:h,33:l},{13:f,15:d,17:49,19:8,20:9,26:10,28:c,29:b,31:e,32:h,33:l},{13:f,15:d,17:50,19:8,20:9,26:10,28:c,29:b,31:e,32:h,33:l},g(B,[2,14]),g(B,[2,15],{24:33,25:y}),{13:f,15:d,17:51,19:8,20:9,26:10,28:c,29:b,31:e,32:h,33:l},{13:f,15:d,17:52,19:8,20:9,26:10,28:c,29:b,31:e,
+32:h,33:l},g(B,[2,19]),g(B,[2,20]),g(B,[2,26]),g(B,[2,27]),{13:A,15:r,20:39,23:53,26:10,28:c,29:b,31:e,32:h,33:l},g(C,[2,29]),{13:A,15:r,20:39,23:54,26:10,28:c,29:b,31:e,32:h,33:l},{13:A,15:r,20:39,23:55,26:10,28:c,29:b,31:e,32:h,33:l},g(C,[2,25]),{13:m,15:n,30:[1,56]},{5:[2,2],13:m,15:n},{5:[2,3],13:m,15:n},{5:[2,4],13:m,15:n},{5:[2,5],13:m,15:n},{5:[2,6],13:m,15:n},{5:[2,7],13:m,15:n},g(p,[2,9],{26:10,19:27,20:28,16:v,18:q,21:u,22:w,28:c,29:b,31:e,32:h,33:l}),g(p,[2,10],{26:10,19:27,20:28,16:v,
+18:q,21:u,22:w,28:c,29:b,31:e,32:h,33:l}),g(B,[2,12]),g(B,[2,13]),g(B,[2,16]),g(B,[2,17]),g(C,[2,28]),g(C,[2,23]),g(C,[2,24]),g(D,[2,31])],defaultActions:{16:[2,1]},parseError:function(a,b){if(b.recoverable)this.trace(a);else{var c=Error(a);c.hash=b;throw c;}},parse:function(a){var b=[0],c=[null],d=[],e=this.table,f="",g=0,h=0,m=0,n=d.slice.call(arguments,1),l=Object.create(this.lexer),p={},q;for(q in this.yy)Object.prototype.hasOwnProperty.call(this.yy,q)&&(p[q]=this.yy[q]);l.setInput(a,p);p.lexer=
+l;p.parser=this;"undefined"==typeof l.yylloc&&(l.yylloc={});q=l.yylloc;d.push(q);var v=l.options&&l.options.ranges;this.parseError="function"===typeof p.parseError?p.parseError:Object.getPrototypeOf(this).parseError;for(var u,w,r,z,y={},B,A;;){r=b[b.length-1];if(this.defaultActions[r])z=this.defaultActions[r];else{if(null===u||"undefined"==typeof u)u=l.lex()||1,"number"!==typeof u&&(u=this.symbols_[u]||u);z=e[r]&&e[r][u]}if("undefined"===typeof z||!z.length||!z[0]){var C;A=[];for(B in e[r])this.terminals_[B]&&
+2<B&&A.push("'"+this.terminals_[B]+"'");C=l.showPosition?"Parse error on line "+(g+1)+":\n"+l.showPosition()+"\nExpecting "+A.join(", ")+", got '"+(this.terminals_[u]||u)+"'":"Parse error on line "+(g+1)+": Unexpected "+(1==u?"end of input":"'"+(this.terminals_[u]||u)+"'");this.parseError(C,{text:l.match,token:this.terminals_[u]||u,line:l.yylineno,loc:q,expected:A})}if(z[0]instanceof Array&&1<z.length)throw Error("Parse Error: multiple actions possible at state: "+r+", token: "+u);switch(z[0]){case 1:b.push(u);
+c.push(l.yytext);d.push(l.yylloc);b.push(z[1]);u=null;w?(u=w,w=null):(h=l.yyleng,f=l.yytext,g=l.yylineno,q=l.yylloc,0<m&&m--);break;case 2:A=this.productions_[z[1]][1];y.$=c[c.length-A];y._$={first_line:d[d.length-(A||1)].first_line,last_line:d[d.length-1].last_line,first_column:d[d.length-(A||1)].first_column,last_column:d[d.length-1].last_column};v&&(y._$.range=[d[d.length-(A||1)].range[0],d[d.length-1].range[1]]);r=this.performAction.apply(y,[f,h,g,p,z[1],c,d].concat(n));if("undefined"!==typeof r)return r;
+A&&(b=b.slice(0,-2*A),c=c.slice(0,-1*A),d=d.slice(0,-1*A));b.push(this.productions_[z[1]][0]);c.push(y.$);d.push(y._$);z=e[b[b.length-2]][b[b.length-1]];b.push(z);break;case 3:return!0}}}},f=function(){return{EOF:1,parseError:function(a,b){if(this.yy.parser)this.yy.parser.parseError(a,b);else throw Error(a);},setInput:function(a,b){this.yy=b||this.yy||{};this._input=a;this._more=this._backtrack=this.done=!1;this.yylineno=this.yyleng=0;this.yytext=this.matched=this.match="";this.conditionStack=["INITIAL"];
+this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0};this.options.ranges&&(this.yylloc.range=[0,0]);this.offset=0;return this},input:function(){var a=this._input[0];this.yytext+=a;this.yyleng++;this.offset++;this.match+=a;this.matched+=a;a.match(/(?:\r\n?|\n).*/g)?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++;this.options.ranges&&this.yylloc.range[1]++;this._input=this._input.slice(1);return a},unput:function(a){var b=a.length,c=a.split(/(?:\r\n?|\n)/g);this._input=
+a+this._input;this.yytext=this.yytext.substr(0,this.yytext.length-b);this.offset-=b;a=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1);this.matched=this.matched.substr(0,this.matched.length-1);c.length-1&&(this.yylineno-=c.length-1);var d=this.yylloc.range;this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:c?(c.length===a.length?this.yylloc.first_column:0)+a[a.length-c.length].length-c[0].length:
+this.yylloc.first_column-b};this.options.ranges&&(this.yylloc.range=[d[0],d[0]+this.yyleng-b]);this.yyleng=this.yytext.length;return this},more:function(){this._more=!0;return this},reject:function(){if(this.options.backtrack_lexer)this._backtrack=!0;else return this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno});
+return this},less:function(a){this.unput(this.match.slice(a))},pastInput:function(){var a=this.matched.substr(0,this.matched.length-this.match.length);return(20<a.length?"...":"")+a.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var a=this.match;20>a.length&&(a+=this._input.substr(0,20-a.length));return(a.substr(0,20)+(20<a.length?"...":"")).replace(/\n/g,"")},showPosition:function(){var a=this.pastInput(),b=Array(a.length+1).join("-");return a+this.upcomingInput()+"\n"+b+"^"},test_match:function(a,
+b){var c,d;this.options.backtrack_lexer&&(d={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(d.yylloc.range=this.yylloc.range.slice(0)));if(c=
+a[0].match(/(?:\r\n?|\n).*/g))this.yylineno+=c.length;this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:c?c[c.length-1].length-c[c.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+a[0].length};this.yytext+=a[0];this.match+=a[0];this.matches=a;this.yyleng=this.yytext.length;this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]);this._backtrack=this._more=!1;this._input=this._input.slice(a[0].length);
+this.matched+=a[0];c=this.performAction.call(this,this.yy,this,b,this.conditionStack[this.conditionStack.length-1]);this.done&&this._input&&(this.done=!1);if(c)return c;if(this._backtrack)for(var e in d)this[e]=d[e];return!1},next:function(){if(this.done)return this.EOF;this._input||(this.done=!0);var a,b,c;this._more||(this.match=this.yytext="");for(var d=this._currentRules(),e=0;e<d.length;e++)if((b=this._input.match(this.rules[d[e]]))&&(!a||b[0].length>a[0].length))if(a=b,c=e,this.options.backtrack_lexer){a=
+this.test_match(b,d[e]);if(!1!==a)return a;if(this._backtrack)a=!1;else return!1}else if(!this.options.flex)break;return a?(a=this.test_match(a,d[c]),!1!==a?a:!1):""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var a=this.next();return a?a:this.lex()},begin:function(a){this.conditionStack.push(a)},popState:function(){return 0<this.conditionStack.length-1?this.conditionStack.pop():
+this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(a){a=this.conditionStack.length-1-Math.abs(a||0);return 0<=a?this.conditionStack[a]:"INITIAL"},pushState:function(a){this.begin(a)},stateStackSize:function(){return this.conditionStack.length},options:{},performAction:function(a,b,c,d){switch(c){case 1:return 29;
+case 2:return 30;case 3:return 27;case 4:return 27;case 5:return 28;case 6:return 28;case 7:return 16;case 8:return 16;case 9:return 21;case 10:return 18;case 11:return 18;case 12:return 22;case 13:return 15;case 14:return 13;case 15:return 9;case 16:return 9;case 17:return 10;case 18:return 10;case 19:return 7;case 20:return 8;case 21:return 12;case 22:return 12;case 23:return 12;case 24:return 12;case 25:return 11;case 26:return 11;case 27:return 32;case 28:return 32;case 29:return 25;case 30:return 33;
+case 31:return 31;case 32:return 31;case 33:return 31;case 34:return 5}},rules:[/^(?:\s+)/,/^(?:\()/,/^(?:\))/,/^(?:\*\*)/,/^(?:\^)/,/^(?:\|)/,/^(?:\u221a)/,/^(?:\*)/,/^(?:\u00d7)/,/^(?:\/\/)/,/^(?:\/)/,/^(?:\u00f7)/,/^(?:%)/,/^(?:-)/,/^(?:\+)/,/^(?:<=)/,/^(?:\u2264)/,/^(?:>=)/,/^(?:\u2265)/,/^(?:<)/,/^(?:>)/,/^(?:!=)/,/^(?:\/=)/,/^(?:<>)/,/^(?:\u2260)/,/^(?:==)/,/^(?:=)/,/^(?:(([0-9])+\.?([0-9])*|\.([0-9])+)([Ee][+-]?([0-9])+)?)/,/^(?:(0[Bb]([0-1])+|0[Oo]([0-7])+|0[Xx]([0-9A-Fa-f])+))/,/^(?:#[^\#\s]+#)/,
+/^(?:\$[^\$\s]+\$)/,/^(?:&[^\&\s]+&)/,/^(?:deltaT\b)/,/^(?:([A-Za-z]))/,/^(?:$)/],conditions:{INITIAL:{rules:[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34],inclusive:!0}}}}();g.lexer=f;a.prototype=g;g.Parser=a;return new a}();var CTATChemParser={};
+(function(){var a;a=function(){function a(a){this.parser=new CTATChemGrammar.Parser;this.parser.yy={CTATChemRelationNode:CTATChemRelationNode,CTATChemAdditionNode:CTATChemAdditionNode,CTATChemMultiplicationNode:CTATChemMultiplicationNode,CTATChemIntDivisionNode:CTATChemIntDivisionNode,CTATChemUnaryNode:CTATChemUnaryNode,CTATChemPowerNode:CTATChemPowerNode,CTATChemVariableNode:CTATChemVariableNode,CTATChemConstantNode:CTATChemConstantNode,CTATChemTreeNode:CTATChemTreeNode};this.parser.yy.variableTable=a}
+a.none=["simpleFlatten"];a.partial=["flatten","removeIdentity"];a.full="flatten computeConstants combineSimilar expand distribute removeIdentity".split(" ");a.CHEM_DECIMAL_PRECISION=-1;a.prototype.chemParse=function(f,d){var c;null==d&&(d=!1);try{return c="string"===typeof f?this.parser.parse(f):f,c.simplify(a.none.concat(d?"sort":[]))}catch(b){return null}};a.prototype.chemStringify=function(a,d){null==d&&(d=!1);return null!=a?a.toString(d):a};a.prototype.chemEvaluate=function(f){var d;try{return d=
+"string"===typeof f?this.parser.parse(f):f,d.simplify(a.none).evaluate()}catch(c){return console.log(c),null}};a.prototype.chemPartialSimplify=function(f,d,c){var b;null==d&&(d=!1);null==c&&(c=!1);try{return b="string"===typeof f?this.parser.parse(f):f,b.simplify(a.partial.concat(d?"sort":[])).toString(c)}catch(e){return null}};a.prototype.chemSimplify=function(f,d,c){var b;null==d&&(d=!1);null==c&&(c=!1);try{return b="string"===typeof f?this.parser.parse(f):f,b.simplify(a.full.concat(d?"sort":[])).toString(c)}catch(e){return console.log(e),
+null}};a.prototype.chemValid=function(a,d){var c,b;null==d&&(d=!1);return null!=(c=this.chemParse(a,!0))&&null!=(b=this.chemParse(a,!d))?c.toString()===b.toString():null};a.prototype.chemValued=function(a){var d;return null!=(d=this.chemEvaluate(a))?!isNaN(d):null};a.prototype.chemPartialSimplified=function(a,d){var c,b;null==d&&(d=!1);return null!=(c=this.chemPartialSimplify(a,!0))&&null!=(b=this.chemParse(a,!d))?c===b.toString():null};a.prototype.chemSimplified=function(a,d){var c,b;null==d&&(d=
+!1);return null!=(c=this.chemSimplify(a,!0))&&null!=(b=this.chemParse(a,!d))?c===b.toString():null};a.prototype.chemIdentical=function(a,d,c){var b,e;null==c&&(c=!1);return null!=(b=this.chemParse(a,!c))&&null!=(e=this.chemParse(d,!c))?b.toString()===e.toString():null};a.prototype.chemEqual=function(a,d){var c,b;return null!=(c=this.chemEvaluate(a))&&null!=(b=this.chemEvaluate(d))?c===b:null};a.prototype.chemPartialEquivalent=function(a,d,c){var b,e;null==c&&(c=!1);return null!=(b=this.chemPartialSimplify(a,
+!c))&&null!=(e=this.chemPartialSimplify(d,!c))?b===e:null};a.prototype.chemEquivalent=function(a,d,c){var b,e;null==c&&(c=!1);return null!=(b=this.chemSimplify(a,!c))&&null!=(e=this.chemSimplify(d,!c))?b===e:null};a.prototype.isChemValid=a.prototype.chemValid;a.prototype.chemEval=a.prototype.chemEvaluate;a.prototype.chemStrictEquivTermsSameOrder=function(a,d){return this.chemPartialEquivalent(a,d,!0)};a.prototype.chemEquivTermsSameOrder=a.prototype.chemStrictEquivTermsSameOrder;a.prototype.chemStrictEquivTerms=
+a.prototype.chemPartialEquivalent;a.prototype.chemEquivTerms=a.prototype.chemStrictEquivTerms;a.prototype.chemEquiv=a.prototype.chemEquivalent;a.prototype.isSimplified=function(a){return this.chemSimplified(a,!0)};a.prototype.calc=a.prototype.chemEvaluate;a.prototype.calca=function(a){return(+this.chemEvaluate(a)).toFixed(2)};a.prototype.simplify=function(a){return this.chemSimplify(a,!0)};a.prototype.algebraicEqual=a.prototype.chemEqual;a.prototype.patternMatches=function(a,d){return this.chemIdentical(a,
+d,!0)};a.prototype.polyTermsEqual=function(f,d){return this.parser.parse(f).simplify(a.partial).equals(this.parser.parse(d).simplify(a.partial))};a.prototype.algebraicMatches=function(a,d){return this.chemEquivalent(a,d,!0)};a.prototype.expressionMatches=a.prototype.algebraicMatches;a.prototype.chemGetQuadraticCoefficients=function(a,d){var c,b,e,f,g,m,n,p,v,q,u,w;c=d?this.chemSimplify(a,!1,!0):a;b=this.chemParse(c);c=null;q=[];w=null;"EQUAL"===b.operator?"PLUS"===b.left.operator&&"CONST"===b.right.operator&&
+0===b.right.value?c=b.left:"PLUS"===b.right.operator&&"CONST"===b.left.operator&&0===b.left.value&&(c=b.right):"PLUS"===b.operator&&(c=b);if(c&&1<c.terms.length&&4>c.terms.length){b=function(a){var b,c,d,e;c=e=b=null;d=1;"TIMES"===a.operator&&2===a.factors.length?(a.factors.forEach(function(b){return function(b,d){if("EXP"===b.operator)return e=b,c=a.factors[0===d?1:0]}}(this)),d=a.sign):"EXP"===a.operator&&(e=a);!e||"VAR"!==e.base.operator||2!==e.exponent.value||w&&e.base.variable!==w||((w||(w=e.base.variable),
+!c||"CONST"!==c.operator&&"UMINUS"!==c.operator)?c||(b=a.sign):b=c.evaluate()*d);return b};e=function(a){var b,c,d;c=d=b=null;"TIMES"===a.operator&&2===a.factors.length?a.factors.forEach(function(b){return function(b,e){if("VAR"===b.operator&&(!w||b.variable===w))return w||(w=b.variable),d=b,c=a.factors[0===e?1:0]}}(this)):"VAR"!==a.operator||w&&a.variable!==w||(w||(w=a.variable),d=a);d&&(c&&"CONST"===c.operator?b=c.evaluate()*a.sign:c||(b=a.sign));return b};f=function(a){var b;b=null;"CONST"===a.operator&&
+(b=a.evaluate());return b};b={a:b,b:e,c:f};m=["a","b","c"];for(f=g=0;3>g;f=++g)if(c.terms[f]){u=v=null;e=n=0;for(p=m.length;0<=p?n<p:n>p;e=0<=p?++n:--n)if(b[m[e]]&&(v=b[m[e]](c.terms[f]))){u=e;break}if(null===v)return null;q[u]=v;delete b[m[u]]}if(!q[0]||!q[1])return null;q[2]||(q[2]=0);return q}};a.prototype.chemSolveQuadratic=function(a,d,c){var b;b=Math.pow(d,2)-4*a*c;c=[];0===b?c.push(""+-d/(2*a)):0<b?(b=Math.sqrt(b),c.push(""+(-d+b)/(2*a)),c.push(""+(-d-b)/(2*a))):(b=Math.sqrt(Math.abs(b)),a*=
+2,b/=a,d=-d/a,c.push(d+"+"+b+"i"),c.push(d+"-"+b+"i"));return c};a.prototype.chemGetVariables=function(a){var d,c;a=this.chemParse(a).getVariables();c=[];d={};a.forEach(function(a){return function(a){if(!d[a])return c.push(a),d[a]=!0}}(this));return c};a.prototype.chemSetVariable=function(a,d,c){a=this.chemParse(a);if("VAR"===a.operator)return a.variable===d?this.chemParse(c):a;a.setVariable(d,c,this.chemParse.bind(this,c));return a};a.prototype.chemSetDecimalPrecision=function(f){return f&&"number"===
+typeof f&&(a.CHEM_DECIMAL_PRECISION=f)};a.prototype.chemRound=function(a,d){return CTATChemTreeNode.round(a,d)};a.prototype.chemSetPrecision=function(a,d){a="string"===typeof a?this.chemParse(a):a;switch(a.operator){case "TIMES":a.factors.forEach(function(a){return function(b){return a.chemSetPrecision(b,d)}}(this));break;case "PLUS":a.terms.forEach(function(a){return function(b){return a.chemSetPrecision(b,d)}}(this));break;case "EXP":this.chemSetPrecision(a.base,d);this.chemSetPrecision(a.exponent,
+d);break;case "EQUAL":this.chemSetPrecision(a.left,d);this.chemSetPrecision(a.right,d);break;case "UMINUS":this.chemSetPrecision(a.base,d);break;case "CONST":a.precision=d}return a};a.prototype.chemGetPrecision=function(f){var d,c;f="string"===typeof f?this.chemParse(f):f;c=null;d=function(a){return function(b){var c;c=Number.POSITIVE_INFINITY;b.forEach(function(b){b=a.chemGetPrecision(b);return c=b<c?b:c});return c}}(this);switch(f.operator){case "TIMES":c=d(f.factors);break;case "PLUS":c=d(f.terms);
+break;case "EXP":c=d([f.base,f.exponent]);break;case "EQUAL":c=d([f.left,f.right]);break;case "UMINUS":c=this.chemGetPrecision(f.base);break;case "CONST":c=f.precision?f.precision:a.chemGetPrecision(f.value)}return c};a.chemGetPrecision=function(a){var d,c;d=Math.log(10);a=String(a);c=(c=/\.[0-9]*?(0+)$/.exec(a))?c[1].length:0;a=Math.abs(a.replace(".",""));if(0===a)return 0;for(;0!==a&&0===a%10;)a/=10;return c+Math.floor(Math.log(a)/d)+1};a.chemToPrecision=function(a,d){a="number"===typeof a?a:parseFloat(a);
+return a.toPrecision(d)};a.chemCompPrecision=function(a,d){return void 0===a?1:void 0===d?-1:a-d};return a}();"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATChemParser=a}).call(this);var CTATFormulaFunctions={};
+(function(){var a,g,f,d,c,b,e,h,l,m,n,p=[].slice;c=/^(\d+)?(?:$|(?:\s|^)(\d+)\/(\d+)$)/;d=/^\d+(\.\d\d)?$/;b=RegExp("((\\d+)\\.?(\\d+)?|\\.(\\d+))([Ee]([+-]?\\d+))?","g");m=/^[+-]?((\d+)\.?(\d+)?|\.(\d+))([Ee]([+-]?\d+))?$/;l=/^\s*\(\s*([+-]?((\d+)\.?(\d+)?|\.(\d+))([Ee]([+-]?\d+))?)\s*\,\s*([+-]?((\d+)\.?(\d+)?|\.(\d+))([Ee]([+-]?\d+))?)\s*\)\s*$/;h=/([bcdfghjklmnpqrstvwxz]|qu)y$/;e=/([bcdfghjklmnpqrstvwxz]o|[sc]h|s)$/;n=function(a,b){var c;null==b&&(b=!1);var d,e,f,g;f=null!=(c=a[4])?c:a[2]+(a[3]||
+"");g=[];d=0;for(e=f.length;d<e;d++)c=f[d],(b||(b="0"!==c))&&g.push(c);return g.length};f=function(a){return(a[4]||a[3]||"").length-+(a[6]||0)};g=function(a,b,c){var d,e;return isNaN(d=+a)||isNaN(e=+b)?c(String(a).toLowerCase(),String(b).toLowerCase()):c(d,e)};try{Object.defineProperty(Array.prototype,"uniq",{value:function(){return this.filter(function(a,b,c){return c.indexOf(a)===b})}})}catch(v){console.log(v),[]}a=function(){function a(){}a.printf=("undefined"!==typeof window&&null!==window?window:
+global).sprintf;a.sum=function(){return(1<=arguments.length?p.call(arguments,0):[]).reduce(function(a,b){return a+ +b},0)};a.mod=function(a,b){return Math.round(a)%Math.round(b)};a.modf=function(a,b){return a%b};a.IEEEremainder=a.modf;a.isFactor=function(a,b){return 1!==+a&&0===b%a};a.isMultiple=function(a,b){return 0===a%b};a.isUnit=function(a){return 1===+a};a.isAny=function(a,b){return this.isFactor(a,b)||this.isMultiple(a,b)||this.isUnit(a)};a.gcf=function(a,b){var c;c=[Math.abs(a),Math.abs(b)];
+a=c[0];for(b=c[1];0<b;)c=[b,a%b],a=c[0],b=c[1];return a};a.lcm=function(a,b){return Math.abs(a*b)/this.gcf(a,b)};a.integerInRange=function(a,b,c){var d;null==b&&(b=-Infinity);null==c&&(c=Infinity);return Math.round(b)<=(d=Math.round(a))&&d<=Math.round(c)};a.fmtDecimal=function(a,b){null==b&&(b=2);return(+a).toFixed(Math.round(+b))};a.fmtNormal=function(a,b){null==b&&(b=6);return this.fmtDecimal(a,b).replace(/\.0+$|(\..+?)0+$/,"$1")};a.fmtDollar=function(a,b){null==b&&(b="");a=this.fmtDecimal(a);b=
+b.toLowerCase();0<=b.indexOf("i")&&(a=a.replace(/\.00$/,""));return 0<=b.indexOf("d")?"$"+a:a};a.dollarEquals=function(){var a,b;a=arguments[0];b=2<=arguments.length?p.call(arguments,1):[];a=this.fmtDollar(a,"i");return b.some(function(b){return function(c){return a===b.fmtDollar(c,"i")}}(this))};a.matchWithPrecision=function(a,b){var c,d;return(c=String(a).match(m))&&(d=String(b).match(m))&&n(c)===n(d)&&g(a,b,function(a,b){return a===b})};a.matchWithoutPrecision=function(a,b){var c,d;return(c=String(a).match(m))&&
+(d=String(b).match(m))&&(a=n(c)>n(d)?(+a).toFixed(f(d)):String(a))&&g(a,b,function(a,b){return a===b})};a.constantsConform=function(){var a,c;a=arguments[0];c=2<=arguments.length?p.call(arguments,1):[];c=c.map(function(a){return"string"===typeof a?new RegExp("^"+a+"$","i"):a});return(a.match(b)||[]).every(function(a){return c.some(function(b){return b.test(a)})})};a.constantsDollar=function(a){return this.constantsConform(a,d)};a.isNumber=function(a,b,c){null==b&&(b=!0);return(b||"number"===typeof a)&&
+!isNaN(a=+a)&&(!c||a===Math.round(a))};a.isInteger=function(a,b){return this.isNumber(a,b,!0)};a.isVar=function(a){return/^\s*[a-zA-Z]\s*$/.test(a)};a.makeFraction=function(a,b,c){null!=b&&null==c&&(c=[0,a,b],a=c[0],b=c[1],c=c[2]);a=+a||0;b=+b||0;c=+c||1;return this.isInteger(a)&&this.isInteger(b)&&this.isInteger(c)?(a?a+(b?" ":""):"")+(b?b+(1===c?"":"/"+c):""):null};a.fractionMake=a.makeFraction;a.getWhole=function(a){return null!=(a=a.match(c))?a[1]||"0":null};a.getNumerator=function(a){return null!=
+(a=a.match(c))?a[2]||"0":null};a.getDividend=a.getNumerator;a.getDenominator=function(a){return null!=(a=a.match(c))?a[3]||"1":null};a.getDivisor=a.getDenominator;a.convertToMixed=function(a){return null!=(a=a.match(c))?this.makeFraction((+a[1]||0)+Math.floor((+a[2]||0)/(+a[3]||1)),(+a[2]||0)%(+a[3]||1),a[3]):null};a.convertToImproper=function(a){return null!=(a=a.match(c))?this.makeFraction(0,(+a[1]||0)*(+a[3]||1)+(+a[2]||0),a[3]||1):null};a.evaluateFraction=function(a){return null!=(a=a.match(c))?
+((+a[1]||0)*(+a[3]||1)+(+a[2]||0))/(+a[3]||1):null};a.divEvaluate=a.evaluateFraction;a.simplifyFraction=function(a){var b;return null!=(a=a.match(c))?(null!=a[1]&&null!=a[2]&&(a[1]=+a[1]+Math.floor(+a[2]/+a[3]),a[2]=+a[2]%+a[3]),b=null!=a[2]?this.gcf(+a[2],+a[3]):1,this.makeFraction(a[1],a[2]/b,a[3]/b)):null};a.fractionsimplify=a.simplifyFraction;a.simplifyMixed=a.simplifyFraction;a.simplifiedFraction=function(a){var b;return null!=(b=this.simplifyFraction(a))?b===a:null};a.isSimplifiedMixed=a.simplifiedFraction;
+a.fractionEquals=function(a,b){var c,d;return null!=(c=this.evaluateFraction(a))&&null!=(d=this.evaluateFraction(b))?c===d:null};a.simplifiedFractionEquals=function(a,b){var c,d;return null!=(c=this.simplifiedFraction(a))&&null!=(d=this.simplifiedFraction(b))?c&&d&&this.fractionEquals(a,b):null};a.rationalEquals=function(a,b){return this.matchWithoutPrecision(+b||this.evaluateFraction(b),+a||this.evaluateFraction(a))};a.quote=function(a){return'"'+a+'"'};a.compact=function(a){return a.replace(/\s*/g,
+"")};a.equalsIgnoreCase=function(a,b){return a===b||a.toUpperCase()===b.toUpperCase()||a.toLowerCase()===b.toLowerCase()};a.replaceFirst=function(a,b,c){return a.replace(new RegExp(b),c)};a.replaceAll=function(a,b,c){return a.replace(new RegExp(b,"g"),c)};a.regExMatch=function(a,b,c){return("string"===typeof a?new RegExp("^("+a+")$",c):a).test(b)};a.rm1coeff=function(a){if(null!=a)return a.replace(/(^|[^0-9])1([a-zA-Z])/g,"$1$2")};a.setMatches=function(a,b,c){var d,e;d=a.split(c);e=b.split(c);return e.every(function(a){return d.includes(a)})&&
+d.every(function(a){return e.includes(a)})};a.pointInRange=function(a,b,c,d,e){var f,g,h;if(f=null!=b?"function"===typeof b.match?b.match(l):void 0:void 0)e=[f[1],f[8],c,d],b=e[0],c=e[1],d=e[2],e=e[3];null==d&&(d=0);null==e&&(e=d);return(f=a.match(l))&&b-d<=(g=f[1])&&g<=+b+ +d&&c-e<=(h=f[8])&&h<=+c+ +e};a.plural=function(a,b,c,d){var f;if(!b||2>a)return b;null==c&&(c=h.test(f=b.toLowerCase())?"y":"");if(!b.endsWith(c))return b;null==d&&(d=h.test(f)?"ies":e.test(f)?"es":"s");c.length&&(b=b.split(c)[0]);
+return b+(/[A-Z]/.test(b[b.length-1])?d.toUpperCase():d)};a.totalTableDec=function(a,b,c,d){return 1E3*(+a||0)+100*(+b||0)+10*(+c||0)+(+d||0)};a.columnCell=function(a,b,c,d,e,f,g,h,m,n){switch(m){case "r1c1":case "r2c1":case "r3c1":return n?a:e;case "r1c2":case "r2c2":case "r3c2":return n?b:f;case "r1c3":case "r2c3":case "r3c3":return n?c:g;case "r1c4":case "r2c4":case "r3c4":return n?d:h;default:return 0}};a.first=function(){return(1<=arguments.length?p.call(arguments,0):[])[0]};a.last=function(){var a;
+a=1<=arguments.length?p.call(arguments,0):[];return a[a.length-1]};a.chooseRandomly=function(){var a;a=1<=arguments.length?p.call(arguments,0):[];return a[Math.floor(Math.random()*a.length)]};a.firstNonNull=function(){var a;return null!=(a=(1<=arguments.length?p.call(arguments,0):[]).find(function(a){return null!=a}))?a:null};a.valueOrZero=function(){var a;return null!=(a=(1<=arguments.length?p.call(arguments,0):[]).find(function(a){return null!=a}))?a:0};a.hasValue=function(){return(1<=arguments.length?
+p.call(arguments,0):[]).every(function(a){return null!=a})};a.equals=function(){var a,b,c;b=arguments[0];c=2<=arguments.length?p.call(arguments,1):[];null==b&&(b=void 0);return isNaN(a=+b)?c.every(function(a){return b===(null!=a?a:void 0)}):c.every(function(b){return a===+(null!=b?b:NaN)})};a.memberOf=function(){var a,b,c;b=arguments[0];c=2<=arguments.length?p.call(arguments,1):[];null==b&&(b=void 0);return isNaN(a=+b)?c.some(function(a){return b===(null!=a?a:void 0)}):c.some(function(b){return a===
++(null!=b?b:NaN)})};a.greaterThan=function(a,b){return g(a,b,function(a,b){return a>b})};a.lessThan=function(a,b){return g(a,b,function(a,b){return a<b})};a.greaterThanOrEqual=function(a,b){return g(a,b,function(a,b){return a>=b})};a.lessThanOrEqual=function(a,b){return g(a,b,function(a,b){return a<=b})};a.equal=function(a,b){return g(a,b,function(a,b){return a===b})};a.notEqual=function(a,b){return g(a,b,function(a,b){return a!==b})};a.and=function(){return(1<=arguments.length?p.call(arguments,0):
+[]).reduce(function(a,b){return a&&b},!0)};a.or=function(){return(1<=arguments.length?p.call(arguments,0):[]).reduce(function(a,b){return a||b},!1)};a.not=function(a){return!a};a.ifThen=function(a,b,c){return a?b:c};a.assign=function(a,b){var c,d,e,f,g,h;h="undefined"!==typeof window&&null!==window?window:global;d=a.split(".");e=2<=d.length?p.call(d,0,c=d.length-1):(c=0,[]);f=d[c++];c=0;for(g=e.length;c<g;c++)d=e[c],h=null!=h[d]?h[d]:h[d]={};return h[f]=b};a.length=function(a){return a.length};a.toString=
+function(a){return a.toString()};return a}();"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATFormulaFunctions=a}).call(this);var CTATFormulaActions={};
+(function(){var a;a=function(){function a(){}a.goToState=function(a){return CTAT.ToolTutor.tutor.goToState(a)};a.goToStartState=function(){return CTAT.ToolTutor.tutor.goToStartState()};a.performInterfaceAction=function(a,d,c){return CTAT.ToolTutor.sendToInterface((new CTATTutoringServiceMessageBuilder).createInterfaceActionMessage(CTATMessage.makeTransactionId(),new CTATSAI(a,d,c)))};return a}();"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATFormulaActions=a}).call(this);var CTATFormulaParser={};
+(function(){var a,g,f,d,c=[].slice,b=[].indexOf||function(a){for(var b=0,c=this.length;b<c;b++)if(b in this&&this[b]===a)return b;return-1};d=/"(?:[^\\"]|\\\")*"|'(?:[^\\'']|\\\')*'/;g=/[A-Za-z_][\w._]*(?![\w(._])/g;f="abstract await boolean break byte case catch char class const continue debugger default delete do double else enum export extends false final finally float for function goto if implements import in instanceof int interface let long native new null of package private protected public return short static super switch synchronized this throw throws transient true try typeof var void volatile while with yield Array Date eval function global hasOwnProperty Infinity isFinite isNaN isPrototypeOf length Math NaN name Number Object prototype String toString undefined valueOf window".split(" ");a=
+function(){function a(a){var b,d,e;this.variableTable=a;this.algebraParser=new CTATAlgebraParser;this.logicParser=new CTATLogicParser;this.chemParser=new CTATChemParser;this.keys=[];this.values=[];e="EPSILON MAX_SAFE_INTEGER MAX_VALUE MIN_SAFE_INTEGER MIN_VALUE NEGATIVE_INFINITY POSITIVE_INFINITY isFinite isInteger isNaN isSafeInteger parseFloat parseInt".split(" ");a=0;for(d=e.length;a<d;a++)b=e[a],this.keys.push(b),this.values.push(Number[b]);e=["toExponential","toFixed","toLocaleString","toPrecision",
+"valueOf"];a=0;for(d=e.length;a<d;a++)b=e[a],this.keys.push(b),this.values.push(function(a){return function(){var b,d;d=arguments[0];b=2<=arguments.length?c.call(arguments,1):[];return a.apply(d,b)}}(Number.prototype[b]));e="E LN10 LN2 LOG10E LOG2E PI SQRT1_2 SQRT2 abs acos acosh asin asinh atan atanh atan2 cbrt ceil clz32 cos cosh exp expm1 floor fround hypot imul log log10 log1p log2 max min pow random round sign sin sinh sqrt tan tanh trunc".split(" ");a=0;for(d=e.length;a<d;a++)b=e[a],this.keys.push(b),
+this.values.push(Math[b]);e=["fromCharCode","fromCodePoint"];a=0;for(d=e.length;a<d;a++)b=e[a],this.keys.push(b),this.values.push(String[b]);e="charAt charCodeAt codePointAt concat endsWith includes indexOf lastIndexOf localeCompare match normalize padEnd padStart repeat replace search slice split startsWith substr substring toLocaleLowerCase toLocaleUpperCase toLowerCase toUpperCase trim trimEnd trimStart valueOf".split(" ");d=0;for(a=e.length;d<a;d++)b=e[d],this.keys.push(b),this.values.push(function(a){return function(){var b,
+d;d=arguments[0];b=2<=arguments.length?c.call(arguments,1):[];return a.apply(d,b)}}(String.prototype[b]));e="algParse algStringify algEvaluate algPartialSimplify algSimplify algValid algValued algPartialSimplified algSimplified algIdentical algEqual algPartialEquivalent algEquivalent isAlgValid algEval algStrictEquivTermsSameOrder algEquivTermsSameOrder algStrictEquivTerms algEquivTerms algEquiv isSimplified calc calca simplify algebraicEqual patternMatches polyTermsEqual algebraicMatches expressionMatches".split(" ");
+d=0;for(a=e.length;d<a;d++)b=e[d],this.keys.push(b),this.values.push(function(a,b){return function(){var d;d=1<=arguments.length?c.call(arguments,0):[];return a.apply(b,d)}}(this.algebraParser[b],this.algebraParser));e="logicSetMode logicParse logicGetError logicStringify logicEvaluate logicSort logicGetOperator logicGetOperators logicGetVariables logicGetOperands logicFindOperator logicFindExpression logicFindRule logicApplyRules logicReplaceExpression logicValid logicValued logicSorted logicIdentical logicEqual logicEquivalent logicSemanticEquivalent logicFindCounterExample logicSimplifyNNF logicSimplifyCNF logicSimplifyDNF logicSimplifiedNNF logicSimplifiedCNF logicSimplifiedDNF".split(" ");
+d=0;for(a=e.length;d<a;d++)b=e[d],this.keys.push(b),this.values.push(function(a,b){return function(){var d;d=1<=arguments.length?c.call(arguments,0):[];return a.apply(b,d)}}(this.logicParser[b],this.logicParser));for(b in CTATFormulaFunctions)this.keys.push(b),this.values.push(function(a,b){return function(){var d;d=1<=arguments.length?c.call(arguments,0):[];return a.apply(b,d)}}(CTATFormulaFunctions[b],CTATFormulaFunctions));for(b in CTATFormulaActions)this.keys.push(b),this.values.push(function(a,
+b){return function(){var d;d=1<=arguments.length?c.call(arguments,0):[];return a.apply(b,d)}}(CTATFormulaActions[b],CTATFormulaActions))}a.prototype.evaluate=function(a,e,m,n){var h,l,q,u,w,B,y,C,A,r,D,z;try{C="undefined"!==typeof window&&null!==window?window:global;h=function(){var a;a=[];for(u in C)a.push(u);return a}().concat(["selection","action","input"]);A=a.split(d);l=0;for(w=A.length;l<w;l++)for(y=A[l],D=null!=(r=y.match(g))?r:[],q=0,B=D.length;q<B;q++)u=D[q],0>b.call(f,u)&&0>b.call(h,u)&&
+0>b.call(this.keys,u)&&CTATFormulaFunctions.assign(u,void 0);for(u in z=this.variableTable.getTable())C[u]=z[u];return function(a,b,c){c.prototype=a.prototype;c=new c;a=a.apply(c,b);return Object(a)===a?a:c}(Function,["selection","action","input"].concat(c.call(this.keys),["return "+a.trim()]),function(){}).apply(C,[e,m,n].concat(c.call(this.values)))}catch(F){return console.log(F),null}finally{for(u in C)null!=u&&0>b.call(h,u)&&(z[u]=C[u],delete C[u])}};a.prototype.interpolateSplitPattern=/<%=|%>/;
+a.prototype.interpolate=function(a,b,c,d){var e,f,g,h,m;h=a.split(this.interpolateSplitPattern);m=[];a=f=0;for(g=h.length;f<g;a=++f)e=h[a],m.push(a%2?this.evaluate(e,b,c,d):e);return m.join("")};return a}();"undefined"!==typeof module&&null!==module?module.exports=a:this.CTATFormulaParser=a}).call(this);var CTATSingleMatcher=function(a,g){CTATMatcher.call(this,!0,a,g);var f=this,d="",c="";this.getSingle=function(a){return d};this.setSingle=function(a){null===a||"undefined"===typeof a?f.ctatdebug('CTATSingleMatcher --\x3e bad argument "'+a+'" to setSingle()'):d=a};this.toString=function(){console.log("Error: CTATSingleMatcher.toString() called: should be overridden")};this.matchSingle=function(a){console.log("Error: CTATSingleMatcher.matchSingle("+a+") called: should be overridden");return!1};this.getReplacementFormula=
+function(){return c};this.setReplacementFormula=function(a){c=a?a:""};this.evaluateReplacement=function(a,d,g){g=null;if(!c)return g;f.ctatdebug("CTATSingleMatcher.evaluateReplacement("+a+", "+d+")");var b=a.getSelection(),e=a.getAction();a=CTATVariableTable.standardizeType(a.getInput());d||(d=new CTATVariableTable);d=new CTATFormulaParser(d);f.ctatdebug("CTATSingleMatcher calling CTATFormulaParser.evaluate("+c+", "+b+", "+e+", "+a+")");try{g=d.evaluate(c,b,e,a)}catch(n){f.ctatdebug("CTATSingleMatcher error from CTATFormulaParser.evaluate("+
+c+") "+n.name+": "+n.message),g=null}f.ctatdebug("CTATSingleMatcher.evaluateReplacement() returns "+g+", type "+typeof g);return g}};CTATSingleMatcher.prototype=Object.create(CTATMatcher.prototype);CTATSingleMatcher.prototype.constructor=CTATSingleMatcher;CTATSingleMatcher.prototype.matchConcatenation=function(a){a=this.array2ConcatString(a);return this.matchSingle(a)};CTATSingleMatcher.prototype.match=function(a,g,f,d){return this.matchConcatenation(a)};
+CTATSingleMatcher.prototype.setParameter=function(a,g,f){this.ctatdebug("CTATSingleMatcher.setParameter("+a+", "+g+", "+f+") calling\n  "+this.setSingle.toString());this.setSingle(a)};"undefined"!==typeof module&&(module.exports=CTATSingleMatcher);var CTATAnyMatcher=function(a,g){CTATSingleMatcher.call(this,a,!0);var f=this;this.toString=function(){return"*"};this.matchSingle=function(a){return!0};this.MatcherSAItoXML=function(a){return a+"<matcher>\n"+(a+"    <matcherType>AnyMatcher</matcherType>\n")+(a+'    <matcherParameter name="single">'+f.getSingle()+"</matcherParameter>\n")+(a+"</matcher>\n")}};CTATAnyMatcher.prototype=Object.create(CTATSingleMatcher.prototype);CTATAnyMatcher.prototype.constructor=CTATAnyMatcher;
+"undefined"!==typeof module&&(module.exports=CTATAnyMatcher);var CTATExactMatcher=function(a,g){CTATSingleMatcher.call(this,a,!0);var f=this;this.toString=function(){return f.getSingle().toString()};this.matchSingle=function(a){var c=f.getSingle();ctatdebug("CTATExactMatcher --\x3e in matchSingle: s = "+a+", singleval = "+c+", caseInsensitive "+f.getCaseInsensitive()+", "+typeof f.getCaseInsensitive());return f.getCaseInsensitive()?String(a).toUpperCase()==String(c).toUpperCase():String(a)==String(c)};this.MatcherSAItoXML=function(a){return a+"<matcher>\n"+
+(a+"    <matcherType>ExactMatcher</matcherType>\n")+(a+'    <matcherParameter name="single">'+f.getSingle()+"</matcherParameter>\n")+(a+"</matcher>\n")}};CTATExactMatcher.prototype=Object.create(CTATSingleMatcher.prototype);CTATExactMatcher.prototype.constructor=CTATExactMatcher;"undefined"!==typeof module&&(module.exports=CTATExactMatcher);var CTATExampleTracerException=function(a){CTATBase.call(this,"CTATExampleTracerException","");this.toString=function(){return a}};CTATExampleTracerException.prototype=Object.create(CTATBase.prototype);CTATExampleTracerException.prototype.constructor=CTATExampleTracerException;"undefined"!==typeof module&&(module.exports=CTATExampleTracerException);var CTATExpressionMatcher=function(a,g){function f(a,c,e,f,g){h.ctatdebug("CTATExpressionMatcher.testVector["+f+"]("+a+", "+c+", "+e+", "+g+") to call evaluate");var m=CTATVariableTable.standardizeType(e);h.ctatdebug("CTATExpressionMatcher.testVector typeof input "+typeof e+"; inputConv "+m+", typeof "+typeof m);e=h.evaluate(a,c,m,g);h.ctatdebug("CTATExpressionMatcher.testVector evaluate("+a+", "+c+", "+m+", "+g+") returned "+e+", type "+typeof e);g=null;switch(f){case CTATMatcher.SELECTION:g=a;break;
+case CTATMatcher.ACTION:g=c;break;case CTATMatcher.INPUT:case CTATMatcher.NON_SINGLE:g=m}b=g;h.ctatdebug("CTATExpressionMatcher.testVector comparee "+g+", type "+typeof g+", relation "+d+"( "+CTATExpressionMatcher.RELATIONS[d]+" )");try{switch(d){case CTATExpressionMatcher.BOOL_RELATION:return!!e;case CTATExpressionMatcher.EQ_RELATION:if(null==g)return null==e;if(null==e)break;return h.compareNumberOrString(g,e,d);case CTATExpressionMatcher.NOT_EQ_RELATION:return null==g?null!=e:null==e?!0:h.compareNumberOrString(g,
+e,d);case CTATExpressionMatcher.LT_RELATION:case CTATExpressionMatcher.GT_RELATION:if(null==g||null==e)break;return h.compareNumberOrString(g,e,d);case CTATExpressionMatcher.LTE_RELATION:case CTATExpressionMatcher.GTE_RELATION:if(null==g)return null==e;if(null!=e)return h.compareNumberOrString(g,e,d)}}catch(u){}return!1}CTATSingleMatcher.call(this,a,g);var d=CTATExpressionMatcher.EQ_RELATION,d=CTATExpressionMatcher.BOOL_RELATION,c=g,b=null,e=!1,h=this;this.getLastInput=function(){h.ctatdebug("CTATExpressionMatcher.getLastInput() returns "+
+b);return b};this.isEqualRelation=function(){h.ctatdebug("CTATExpressionMatcher --\x3e in isEqualRelation");return d===CTATExpressionMatcher.EQ_RELATION};this.getEvaluatedInput=function(a,b){h.ctatdebug("CTATExpressionMatcher --\x3e in getEvaluatedInput("+a+", "+b+")");var c=CTATVariableTable.standardizeType(a.getInput()),c=h.evaluate(a.getSelection(),a.getAction(),c,b);h.ctatdebug("CTATExpressionMatcher.getEvaluatedInput() returns "+c);return c};this.toString=function(){return CTATExpressionMatcher.RELATIONS[d]+
+' "'+c+'"'};this.MatcherSAItoXML=function(a){var b;b=a+"<matcher>\n"+(a+"    <matcherType>ExpressionMatcher</matcherType>\n")+(a+'    <matcherParameter name="InputExpression">'+h.getInputExpression()+"</matcherParameter>\n");b+=a+'    <matcherParameter name="relation">'+CTATExpressionMatcher.RELATIONS[d]+"</matcherParameter>\n";return b+(a+"</matcher>\n")};this.matchSingle=function(a){throw new CTATExampleTracerException("UnsupportedOperationException");};this.setInputExpression=function(a){c=a};
+this.setRelation=function(a){d=a};this.interpolate=function(a,b,c,d){try{var e=new CTATVariableTable;return(new CTATFormulaParser(e)).interpolate(a,b,c,d)}catch(q){return null}};this.evaluate=function(a,b,c,d){if("undefined"==typeof d||null==d)d=new CTATVariableTable;h.ctatdebug("CTATExpressionMatcher.evaluate(..., vt="+d+") creating CTATFormulaParser");d=new CTATFormulaParser(d);h.ctatdebug("calling CTATFormulaParser.evaluate("+h.getInputExpression()+", "+a+", "+b+", "+c+")");try{return d.evaluate(h.getInputExpression(),
+a,b,c)}catch(v){return h.ctatdebug("CTATExpressionMatcher --\x3e "+v.name+": "+v.message),null}};this.matchConcatenation=function(b,c,d,g){b=h.array2ConcatString(b);null===c||"undefined"===typeof c||null===d||"undefined"===typeof d?e=f(b,null,null,a,g):(c=h.array2ConcatString(c),d=h.array2ConcatString(d),e=f(b,c,d,a,g));return e};this.match=function(a,b,c,d,e){return h.matchConcatenation(a,b,c,e)};this.getInputExpression=function(){return c};(function(){if(null!==g&&"undefined"!==typeof g){var a;
+a=g.indexOf('"');var b=g.lastIndexOf('"');0<=a&&0<=b?(a=g.substring(a+1,b),b=g.substring(0,g.indexOf(" ")),d=CTATExpressionMatcher.nameToRelation(b)):a=g;h.setInputExpression(a)}})()};Object.defineProperty(CTATExpressionMatcher,"EQ_RELATION",{enumerable:!1,configurable:!1,writable:!1,value:0});Object.defineProperty(CTATExpressionMatcher,"LT_RELATION",{enumerable:!1,configurable:!1,writable:!1,value:1});
+Object.defineProperty(CTATExpressionMatcher,"GT_RELATION",{enumerable:!1,configurable:!1,writable:!1,value:2});Object.defineProperty(CTATExpressionMatcher,"NOT_EQ_RELATION",{enumerable:!1,configurable:!1,writable:!1,value:3});Object.defineProperty(CTATExpressionMatcher,"GTE_RELATION",{enumerable:!1,configurable:!1,writable:!1,value:4});Object.defineProperty(CTATExpressionMatcher,"LTE_RELATION",{enumerable:!1,configurable:!1,writable:!1,value:5});
+Object.defineProperty(CTATExpressionMatcher,"BOOL_RELATION",{enumerable:!1,configurable:!1,writable:!1,value:6});Object.defineProperty(CTATExpressionMatcher,"RELATIONS",{enumerable:!1,configurable:!1,writable:!1,value:"= < > != >= <= boolean".split(" ")});CTATExpressionMatcher.nameToRelation=function(a){for(var g=0;g<CTATExpressionMatcher.RELATIONS.length;g++)if(a==CTATExpressionMatcher.RELATIONS[g])return g;return CTATExpressionMatcher.EQ_RELATION};CTATExpressionMatcher.prototype=Object.create(CTATSingleMatcher.prototype);
+CTATExpressionMatcher.prototype.constructor=CTATExpressionMatcher;CTATExpressionMatcher.prototype.setParameter=function(a,g,f){a&&g&&f&&(a=f.getNodeTextValue(a),this.ctatdebug("CTATExpressionMatcher.setParameter("+g+", "+a+")"),"InputExpression"==g?this.setInputExpression(a):"relation"==g&&this.setRelation(CTATExpressionMatcher.nameToRelation(a)))};
+CTATExpressionMatcher.prototype.compareNumberOrString=function(a,g,f){a=String(a);g=String(g);var d=Number(a),c=Number(g);if(isNaN(d)||isNaN(c))switch(f){case CTATExpressionMatcher.EQ_RELATION:return a==g;case CTATExpressionMatcher.NOT_EQ_RELATION:return a!=g;case CTATExpressionMatcher.LT_RELATION:return a.toLowerCase()<g.toLowerCase();case CTATExpressionMatcher.GT_RELATION:return a.toLowerCase()>g.toLowerCase();case CTATExpressionMatcher.LTE_RELATION:return a.toLowerCase()<=g.toLowerCase();case CTATExpressionMatcher.GTE_RELATION:return a.toLowerCase()>=
+g.toLowerCase();case CTATExpressionMatcher.BOOL_RELATION:return!!g;default:return!1}else switch(f){case CTATExpressionMatcher.EQ_RELATION:return d==c;case CTATExpressionMatcher.NOT_EQ_RELATION:return d!=c;case CTATExpressionMatcher.LT_RELATION:return d<c;case CTATExpressionMatcher.GT_RELATION:return d>c;case CTATExpressionMatcher.LTE_RELATION:return d<=c;case CTATExpressionMatcher.GTE_RELATION:return d>=c;case CTATExpressionMatcher.BOOL_RELATION:return!!c;default:return!1}};
+"undefined"!==typeof module&&(module.exports=CTATExpressionMatcher);var CTATRangeMatcher=function(a,g){CTATSingleMatcher.call(this,a,!0);var f=this,d=0,c=0;this.toString=function(){return"[ "+d+" , "+c+" ]"};this.MatcherSAItoXML=function(a){var b;b=a+"<matcher>\n"+(a+"    <matcherType>RangeMatcher</matcherType>\n")+(a+'    <matcherParameter name="minimum">'+f.getMinimum()+"</matcherParameter>\n");b+=a+'    <matcherParameter name="maximum">'+f.getMaximum()+"</matcherParameter>\n";return b+(a+"</matcher>\n")};this.setMinimum=function(a){try{d=parseFloat(a)}catch(e){throw new CTATExampleTracerException('Number format exception while parsing minimum value "'+
+a+'": '+e);}};this.getMinimum=function(){return d};this.setMaximum=function(a){try{c=parseFloat(a)}catch(e){throw new CTATExampleTracerException('Number format exception while parsing maximum value "'+a+'": '+e);}};this.getMaximum=function(){return c};this.matchSingle=function(a){var b;try{b=parseFloat(a)}catch(h){throw new CTATExampleTracerException("Number format exception while parsing .");}return d<=b&&b<=c?!0:!1}};CTATRangeMatcher.prototype=Object.create(CTATSingleMatcher.prototype);
+CTATRangeMatcher.prototype.constructor=CTATRangeMatcher;CTATRangeMatcher.prototype.setParameter=function(a,g){switch((g?g:"").toString().trim().toLowerCase()){case "minimum":this.setMinimum(a);break;case "maximum":this.setMaximum(a);break;default:console.log('CTATRangeMatcher.setParameter() undefined parameter name "'+g+'"'),this.setMinimum(a),this.setMaximum(a)}};CTATRangeMatcher.prototype.match=function(a,g,f,d){return this.matchSingle(a,g,f,d)};"undefined"!==typeof module&&(module.exports=CTATRangeMatcher);var CTATRegexMatcher=function(a,g){CTATSingleMatcher.call(this,a,!0);var f=null,d=null,c=this;this.toString=function(){return f};this.MatcherSAItoXML=function(a){return a+"<matcher>\n"+(a+"    <matcherType>RegexMatcher</matcherType>\n")+(a+'    <matcherParameter name="single">'+c.getSinglePattern()+"</matcherParameter>\n")+(a+"</matcher>\n")};this.setSinglePattern=function(a){"undefined"===typeof a||null===a?console.log("CTATRegexMatcher: null or undefined pattern"):(f=a,d=c.getCaseInsensitive()?
+new RegExp(a,"i"):new RegExp(a))};this.getSinglePattern=function(){return f};this.setSingle=function(a){c.setSinglePattern(a)};this.matchSingle=function(a){if(null==a)return null==getSingle();if(null==d)return console.log("Error: CTATRegexMatcher.matchSingle called before pattern has been set"),!1;var b=d.exec(a);return null!=b&&b[0]==a}};CTATRegexMatcher.prototype=Object.create(CTATSingleMatcher.prototype);CTATRegexMatcher.prototype.constructor=CTATRegexMatcher;
+"undefined"!==typeof module&&(module.exports=CTATRegexMatcher);var CTATWildcardMatcher=function(a,g){function f(a){if(null==a||"undefined"===typeof a)return null;var b=(new String(a)).replace(RegExp("\\?","g"),"."),c=b.replace(RegExp("\\*","g"),".*"),f=c.replace(RegExp("\\[\\!","g"),"[^");d.ctatdebug("CTATWildcardMatcher.convertToFullRegex("+a+") after qm: "+b+"; after aster: "+c+"; after negate: "+f+";");return f}CTATRegexMatcher.call(this,a,g);var d=this;this.toString=function(){return null};this.MatcherSAItoXML=function(a){return a+"<matcher>\n"+(a+"    <matcherType>WildcardMatcher</matcherType>\n")+
+(a+'    <matcherParameter name="single">'+d.getSinglePattern()+"</matcherParameter>\n")+(a+"</matcher>\n")};this.setSingle=function(a){d.simpleSinglePattern=a;d.setSinglePattern.call(d,f(a))};this.setSingle(g);this.simpleSinglePattern=g};CTATWildcardMatcher.prototype=Object.create(CTATRegexMatcher.prototype);CTATWildcardMatcher.prototype.constructor=CTATWildcardMatcher;"undefined"!==typeof module&&(module.exports=CTATWildcardMatcher);var CTATVectorMatcher=function(a,g,f,d){function c(a,c,d,f,g){m.ctatdebug("CTATVectorMatcher --\x3e in _match("+a+", "+c+", "+d+", "+f+")");if(0===b.length||0===e.length||0===h.length)b.push(new CTATExactMatcher(CTATMatcher.SELECTION,m.array2ConcatString(m.getDefaultSelectionArray()))),e.push(new CTATExactMatcher(CTATMatcher.ACTION,m.array2ConcatString(m.getDefaultActionArray()))),h.push(new CTATExactMatcher(CTATMatcher.INPUT,m.array2ConcatString(m.getDefaultInputArray())));var n=[];n[CTATMatcher.SELECTION]=
+a;n[CTATMatcher.ACTION]=c;n[CTATMatcher.INPUT]=d;for(var p=0;3>p;p++){var q=l[p][0],v=q instanceof CTATExpressionMatcher?q.matchConcatenation(a,c,d,f):q.matchConcatenation(n[p]);m.ctatdebug("CTATVectorMatcher --\x3e in _match["+p+"] after "+q+".concat returns: "+v);if(g)g.push(v);else if(!1===v)return!1}if(g)for(a=0;a<g.length;++a)if(!g[a])return!1;return!0}CTATMatcher.call(this,!0,CTATMatcher.VECTOR,!0);var b=a instanceof Array?a:[],e=g instanceof Array?g:[],h=f instanceof Array?f:[],l=[];l[CTATMatcher.SELECTION]=
+b;l[CTATMatcher.ACTION]=e;l[CTATMatcher.INPUT]=h;var m=this;this.match=function(a,b,d,e,f){return!1!==c(a,b,d,f)&&m.matchActor(e)?!0:!1};this.getMatchers=function(a){return l[a]};this.getTutorSAI=function(a,b,d){m.ctatdebug("CTATVectorMatcher.getTutorSAI("+a+", vt, "+d+")");if(d&&CTATExampleTracerLink.CORRECT_ACTION.toLowerCase()==d.toLowerCase())return a;var e=[];if(c(a.getSelectionArray(),a.getActionArray(),a.getInputArray(),b,e))return d=a.clone(),a=m.evaluateReplacement(a,b,null),null!=a&&d.setInput("object"==
+typeof a?a.toString():a),d;d=a.clone();for(a=0;a<e.length;a++)switch(a){case CTATMatcher.SELECTION:if(e[a])continue;d.setSelection(m.getDefaultSelection());d.setSelectionArray(m.getDefaultSelectionArray());break;case CTATMatcher.ACTION:if(e[a])continue;d.setAction(m.getDefaultAction());d.setActionArray(m.getDefaultActionArray());break;case CTATMatcher.INPUT:if(e[a])continue;d.setInput(m.getDefaultInput());d.setInputArray(m.getDefaultInputArray());break;default:console.log("CTATVectorMatcher.getTutorSAI() unexpected no. of details: "+
+a)}return d};this.getInputMatcher=function(){var a=h[0];return a instanceof CTATExactMatcher&&a.toString()==="".toString()?m.getDefaultInput():a.toString()};this.getActionMatcher=function(){var a=e[0];return a instanceof CTATExactMatcher&&a.toString()==="".toString()?m.getDefaultAction():a.toString()};this.getSelectionMatcher=function(){var a=b[0];return a instanceof CTATExactMatcher&&a.toString()==="".toString()?m.getDefaultSelection():a.toString()};this.getSingleMatcher=function(a){return"selection".toString().toUpperCase()===
+a.toString().toUpperCase()?b[0]:"action".toString().toUpperCase()===a.toString().toUpperCase()?e[0]:h[0]};var n=m.getDefaultSAI;this.getDefaultSAI=function(){var a=n.apply(m),c=0<b.length&&b[0]instanceof CTATExactMatcher?b[0].getSingle():a.getSelection(),d=0<e.length&&e[0]instanceof CTATExactMatcher?e[0].getSingle():a.getAction(),a=0<h.length&&h[0]instanceof CTATExactMatcher?h[0].getSingle():a.getInput();return new CTATSAI(c,d,a)};this.getSelection=function(){return 0===b.length?m.getDefaultSelection():
+b[0].toString()};this.getAction=function(){return 0===e.length?m.getDefaultAction():e[0].getAction()};this.setDefaultSelection=function(a){return 0===b.length?m.internalSetDefaultSelection(a):b[0].setDefaultSelection(a)};this.setDefaultAction=function(a){return 0===e.length?m.internalSetDefaultAction(a):e[0].setDefaultAction(a)};this.setDefaultInput=function(a){return 0===h.length?m.internalSetDefaultInput(a):h[0].setDefaultInput(a)};this.getEvaluatedInput=function(a,b){if(0===h.length)return m.getInput();
+var c=h[0];return!1===c instanceof CTATExpressionMatcher?m.getInput():!0===c.isEqualRelation()?c.getEvaluatedInput(a,b):m.getInput()};this.matchForHint=function(a,c,d,e){ctatdebug("CTATVectorMatcher.matchForHint("+a+", "+c+", "+d+", vt)");if(!m.matchActor(d))return!1;c=b[0];return Array.isArray(a)?c.matchConcatenation(a,m.getDefaultActionArray(),m.getDefaultInputArray(),e):c.matchConcatenation([a],m.getDefaultActionArray(),m.getDefaultInputArray(),e)};this.setCaseInsensitive=function(a){ctatdebug("CTATVectorMatcher.setCaseInsensitive("+
+a+")");for(var b=0;b<l.length;++b)if(Array.isArray(l[b]))for(var c=0;c<l[b].length;++c)l[b][c].setCaseInsensitive(a);else l[b]instanceof CTATMatcher&&l[b].setCaseInsensitive(a)};this.toString=function(){return"this is CTATVectorMatcher"};this.getReplacementFormula=function(){var a=h[0];return null===a||"undefined"===typeof a?null:a.getReplacementFormula()};this.evaluateReplacement=function(a,b,c){return h[0].evaluateReplacement(a,b,c)};this.setActor(d)};CTATVectorMatcher.prototype=Object.create(CTATMatcher.prototype);
+CTATVectorMatcher.prototype.constructor=CTATVectorMatcher;"undefined"!==typeof module&&(module.exports=CTATVectorMatcher);var CTATExampleTracerNodeVisualData=function(){CTATBase.call(this,"ExampleTracerNodeVisualData","visualdata");var a="****",g="undefined",f=-1,d=-1,c=null;this.setID=function(b){a=b};this.getID=function(){return a};this.setLabel=function(a){g=a};this.getLabel=function(){return g};this.setX=function(a){f=a};this.getX=function(){return f};this.setY=function(a){d=a};this.getY=function(){return d};this.setVizReference=function(a){c=a};this.getVizReference=function(){return c}};
+CTATExampleTracerNodeVisualData.prototype=Object.create(CTATBase.prototype);CTATExampleTracerNodeVisualData.prototype.constructor=CTATExampleTracerNodeVisualData;"undefined"!==typeof module&&(module.exports=CTATExampleTracerNodeVisualData);var CTATExampleTracerNode=function(a,g){CTATBase.call(this,"CTATExampleTracerNode",a);var f=null,d={x:1,y:1},c="",b=g?g:new Set,e=new Set;b.forEach(function(a,b,c){b.isCorrect()&&e.add(b)});var h=new Set,l=!1,m=this;this.toString=function(){return"node"+a};this.toXML=function(a){var b=a+'<node locked="'+this.getLocked()+'" doneState="'+this.IsDoneState()+'">\n',b=b+(a+"    <text>"+this.getNodeName()+"</text>\n"),b=b+(a+"    <uniqueID>"+this.getNodeID()+"</uniqueID>\n"),c=this.getDimension(),d=a+"    ",
+e;e=d+"<dimension>\n"+(d+"    <x>"+c.x+"</x>\n");e+=d+"    <y>"+c.y+"</y>\n";return b+(e+(d+"</dimension>")+"\n")+(a+"</node>")};this.getNodeID=function(){return a};this.getLocked=function(){return!1};this.IsDoneState=function(){return this.getNodeName().startsWith("Done")?!0:l};this.setDoneState=function(a){l=a};this.getDimension=function(){return d};this.setDimension=function(a){d=a};this.getNodeName=function(){return c};this.setNodeName=function(a){m.ctatdebug("CTATExampleTracerGraph --\x3e in setNodeName("+
+a+")");c=a};this.getOutLinks=function(){ctatdebug("CTATExampleTracerNode --\x3e getOutLinks");return b};this.getCorrectOutLinks=function(){return e};this.addOutLink=function(a){ctatdebug("CTATExampleTracerNode --\x3e addOutLink( "+a+" )");b.add(a);a.isCorrect()&&e.add(a)};this.clearInLinks=function(){h=new Set};this.addInLink=function(a){h.add(a)};this.getInLinks=function(){return h};this.getOutDegree=function(){return b.size};this.getCorrectOutDegree=function(){return e.size};this.setVisualData=
+function(a){f=a};this.getVisualData=function(){return f}};CTATExampleTracerNode.prototype=Object.create(CTATBase.prototype);CTATExampleTracerNode.prototype.constructor=CTATExampleTracerNode;"undefined"!==typeof module&&(module.exports=CTATExampleTracerNode);var CTATExampleTracerLinkVisualData=function(){CTATBase.call(this,"CTATExampleTracerLinkVisualData","visualdata");var a="****",g="undefined",f="****",d="****";this.setID=function(c){a=c};this.getID=function(){return a};this.setLabel=function(a){g=a};this.getLabel=function(){return g};this.setSource=function(a){f=a};this.getSource=function(){return f};this.setDestination=function(a){d=a};this.getDestination=function(){return d}};CTATExampleTracerLinkVisualData.prototype=Object.create(CTATBase.prototype);
+CTATExampleTracerLinkVisualData.prototype.constructor=CTATExampleTracerLinkVisualData;"undefined"!==typeof module&&(module.exports=CTATExampleTracerLinkVisualData);var CTATExampleTracerLink=function(a,g,f){CTATBase.call(this,"CTATExampleTracerLink","("+g+"-"+f+")");var d="undefined"===typeof a||null===a?null:a,c=null,b="",e="",h="undefined"===typeof g||null===g?null:g,l="undefined"===typeof f||null===f?null:f,m=null,n=1,p=1,v="CORRECT_ACTION",q=[],u=!1,w=null,B="",y=p.toString(),C=n.toString(),A=null,r=null,D=this;this.getUniqueID=function(){return d};this.getMatcher=function(){D.ctatdebug("CTATExampleTracerLink --\x3e in getMatcher");return m};this.isCorrect=
+function(){return v==CTATExampleTracerLink.CORRECT_ACTION};this.matchesSAI=function(a,b,c){var d=D.getMatcher();D.ctatdebug("CTATExampleTracerLink --\x3e in matchesSAI(); matcher "+d+", typeof "+typeof d+", sai "+a);a=d.match(a.getSelectionArray(),a.getActionArray(),a.getInputArray(),b,c);D.ctatdebug("CTATExampleTracerLink --\x3e out of matchesSAI: result = "+a);return a};this.matchesSAIforHint=function(a,b,c,d){D.ctatdebug("CTATExampleTracerLink --\x3e in matchesSAIforHint("+a+", "+b+") selectionArray "+
+a.getSelectionArray());if(!1===D.getMatcher().matchForHint(a.getSelectionArray(),a.getActionArray(),b,d))return D.ctatdebug("CTATExampleTracerLink --\x3e matchesSAIforHint() returning false because no match"),!1;if(null!==c&&"undefined"!==typeof c&&!0===c.getWantReportableHints()&&(a=null===D.getAllHints()||"undefined"===typeof D.getAllHints()?0:D.getAllHints().length,1>a))return D.ctatdebug("CTATExampleTracerLink --\x3e matchesSAIforHint() returning false nStaticHints "+a+"< 1"),!1;D.ctatdebug("CTATExampleTracerLink --\x3e matchesSAIforHint() returning true");
+return!0};this.getDepth=function(){return c};this.getBuggyMsg=function(){return B};this.getSuccessMsg=function(){return w};this.getType=function(){return v};this.getPrevNode=function(){return h};this.getNextNode=function(){return l};this.setPrevNode=function(a){h=a};this.setNextNode=function(a){l=a};this.toString=function(){var a;a="[link "+D.getUniqueID();a+=" ("+D.getPrevNode()+"-"+D.getNextNode();a+=") "+D.getType();return a+"]"};this.toXML=function(a){var b;b=a+"    ";var c=b+'<actionLabel preferPathMark="'+
+D.getIsPreferredLink()+'" minTraversals="'+D.getMinTraversalsStr()+'" maxTraversals="'+D.getMaxTraversalsStr()+'">\n',c=c+(b+"    <studentHintRequest></studentHintRequest>\n")+(b+"    <stepSuccessfulCompletion></stepSuccessfulCompletion>\n")+(b+"    <stepStudentError></stepStudentError>\n")+(b+"    <uniqueID>"+D.getUniqueID()+"</uniqueID>\n"),d=b+"    ",e="";D.getDemoMsgObj()&&(e+=d+D.getDemoMsgObj().getXMLString(!0)+"\n");c=c+e+(b+"    <buggyMessage>"+D.getBuggyMsg()+"</buggyMessage>\n");c+=b+"    <successMessage>"+
+D.getSuccessMsg()+"</successMessage>\n";d=D.getHints();for(e=0;e<d.length;e++)c+=b+"    <hintMessage>"+d[e]+"</hintMessage>\n";var c=c+(b+"    <callbackFn></callbackFn>\n")+(b+"    <actionType>"+D.getActionType()+"</actionType>\n"),c=c+(b+"    <oldActionType>Correct Action</oldActionType>\n")+(b+"    <checkedStatus>Never Checked</checkedStatus>\n"),d=b+"    ",f=D.getMatcher().getMatchers(0)[0],e=D.getMatcher().getMatchers(1)[0],g=D.getMatcher().getMatchers(2)[0],f=d+'<matchers Concatenation="true">\n'+
+(d+"    <Selection>\n")+f.MatcherSAItoXML(d+"        "),f=f+(d+"    </Selection>\n")+(d+"    <Action>\n")+e.MatcherSAItoXML(d+"        "),f=f+(d+"    </Action>\n")+(d+"    <Input>\n")+g.MatcherSAItoXML(d+"        "),f=f+(d+"    </Input>\n")+(d+'    <Actor linkTriggered="false">'+D.getMatcher().getActor()+"</Actor>\n");b=a+"<edge>\n"+(c+(f+(d+"</matchers>\n"))+(b+"</actionLabel>\n"));b+=a+"    <preCheckedStatus>No-Applicable</preCheckedStatus>\n";c=this.getSkillNames();d=a+"    ";e="";if(0<c.length)for(g=
+0;g<c.length;g++)e+=d+"<rule>\n",e+=d+"    <text>"+c[g]+"</text>\n",e+=d+"    <indicator>-1</indicator>\n",e+=d+"</rule>\n";else e=e+(d+"<rule>\n")+(d+"    <text>unnamed</text>\n")+(d+"    <indicator>-1</indicator>\n")+(d+"</rule>\n");b=b+e+(a+"    <sourceID>"+this.getPrevNode()+"</sourceID>\n");b+=a+"    <destID>"+this.getNextNode()+"</destID>\n";return b+(a+"    <traversalCount>0</traversalCount>\n")+(a+"</edge>")};this.getDemoMsgObj=function(){return b};this.setDemoMsgObj=function(a){b=a};this.getTransactionID=
+function(){return e};this.setTransactionID=function(a){e=a};this.getXMLString=function(a){if(messageObj.xml)return messageObj.xml;if(XMLSerializer)return(new XMLSerializer).serializeToString(messageObj);alert("ERROR: Extremely old browser");return""};this.getTutorSAI=function(a,b){return D.getMatcher().getTutorSAI(a,b,D.getActionType())};this.getEvaluatedInput=function(a,b){return D.getMatcher().getEvaluatedInput(a,b)};this.setDepth=function(a){c=a};this.getMaxTraversals=function(){return n};this.getMaxTraversalsStr=
+function(){return C};this.isDone=function(){var a=String(D.getDefaultSAI().getSelection()).toLowerCase(),b=String(D.getDefaultSAI().getAction()).toLowerCase(),a=CTATMsgType.DONE.toLowerCase()==a&&CTATMsgType.BUTTON_PRESSED.toLowerCase()==b;D.ctatdebug("CTATExampleTracerLink.isDone() returns "+a);return a};this.interpolateHints=function(a){D.ctatdebug("CTATExampleTracerLink --\x3e interpolateHints("+a+")");var b=[];if(null===q||"undefined"===typeof q||0===q.length)return b;null==a&&(a=new CTATVariableTable);
+var c=new CTATFormulaParser(a);q.forEach(function(a){if(!(1>String(a).trim().length)){var d=D.getDefaultSAI().getSelection(),e=D.getDefaultSAI().getAction(),f=CTATVariableTable.standardizeType(D.getDefaultSAI().getInput());D.ctatdebug("CTATExampleTracerLink.interpolateHints() calling fp.interpolate("+a+", "+d+", "+e+", "+f+")");a=c.interpolate(a,d,e,f);D.ctatdebug("CTATExampleTracerLink.interpolateHints() calling fp.interpolate() returns "+a);b.push(a)}});D.ctatdebug("CTATExampleTracerLink --\x3e out of interpolateHints "+
+b);return b};this.getHints=function(){D.ctatdebug("CTATExampleTracerLink --\x3e in getHints");var a=[];D.interpolateHints(null).forEach(function(b){D.ctatdebug("CTATExampleTracerLink --\x3e in getHints loop");b.toString()!=="".toString()&&a.push(b)});D.ctatdebug("CTATExampleTracerLink --\x3e out of getHints");return a};this.getAllNonEmptyHints=function(){var a=[];q.forEach(function(b){b.trim().toString()!=="".toString()&&a.push(b)});return a};this.isTraversable=function(){return 1>D.getMaxTraversals()?
+!1:CTATExampleTracerLink.CORRECT_ACTION.toString().toUpperCase()==D.getActionType().toString().toUpperCase()||CTATExampleTracerLink.FIREABLE_BUGGY_ACTION.toString().toUpperCase()==D.getActionType().toString().toUpperCase()?!0:!1};this.replaceInput=function(){return CTATExampleTracerLink.CORRECT_ACTION.toString().toUpperCase()!==D.getActionType().toString().toUpperCase()&&CTATExampleTracerLink.FIREABLE_BUGGY_ACTION.toString().toUpperCase()!==D.getActionType().toString().toUpperCase()?!1:D.getMatcher().replaceInput()};
+this.evaluateReplacement=function(a,b,c){return D.getMatcher().evaluateReplacement(a,b,c)};this.getActor=function(){return D.getMatcher().getActor()};this.getDefaultSAI=function(){D.ctatdebug(D.toString()+".getSAI(): "+(m?m.getDefaultSAI():"(matcher null)"));return m.getDefaultSAI()};this.getActionType=function(){return v};this.getMinTraversals=function(){return p};this.getMinTraversalsStr=function(){return y};this.getIsPreferredLink=function(){return u};this.getAllHints=function(){return q};this.setMatcher=
+function(a){m=a};this.addHint=function(a){null!==a&&"undefined"!==typeof a&&a.toString()!=="".toString()&&q.push(a)};this.setSelection=function(a){D.getMatcher().setDefaultSelection(null===a[0]||"undefined"===typeof a[0]?"":a[0].toString())};this.setAction=function(a){D.getMatcher().setDefaultAction(null===a[0]||"undefined"===typeof a[0]?"":a[0].toString())};this.setActionType=function(a){if(null===a||"undefined"===typeof a||a.toString()!==CTATExampleTracerLink.CORRECT_ACTION.toString()&&a.toString()!==
+CTATExampleTracerLink.FIREABLE_BUGGY_ACTION.toString()&&a.toString()!==CTATExampleTracerLink.BUGGY_ACTION.toString()&&a.toString()!==CTATExampleTracerLink.HINT_ACTION.toString()&&a.toString()!==CTATExampleTracerLink.UNTRACEABLE_ERROR.toString()&&a.toString()!==CTATExampleTracerLink.CLT_ERROR_ACTION.toString()&&a.toString()!==CTATExampleTracerLink.GIVEN_ACTION.toString())throw new CTATExampleTracerException("invalid action type "+v);v=a};this.setBuggyMsg=function(a){B=a};this.setSuccessMsg=function(a){w=
+a};this.setMinTraversalsStr=function(a){if(null===a||"undefined"===typeof a||1>a.length)y="1",p=1;else try{y=a,p=parseInt(a.trim()),isNaN(p)&&(p=1)}catch(F){p=1}};this.setMaxTraversalsStr=function(a){if(null===a||"undefined"===typeof a||1>a.length)C=y,n=p;else try{C=a,n=parseInt(a.trim()),isNaN(n)&&(n=1)}catch(F){n=p}};this.setUniqueID=function(a){d=a};this.addSkillName=function(a){D.ctatdebug("ETLink["+d+"].addSkillName("+a+")");if("unnamed"!==a){if(null===r||"undefined"===typeof r)r=[];-1<r.indexOf(a)||
+(r.push(a),D.ctatdebug("ETLink.addSkillName() return with skillNames "+r))}};this.getSkillNames=function(){if(null===r||"undefined"===typeof r)r=[];return r};this.isTutorPerformed=function(a){if(CTATExampleTracerLink.CORRECT_ACTION.toUpperCase()!==D.getActionType().toUpperCase())return!1;var b=D.getMatcher();if(null===b||"undefined"===typeof b||null!==a&&"undefined"!==typeof a&&a!==b.isLinkTriggered())return!1;a=D.getActor();return CTATMatcher.isTutorActor(a,!0)?!0:!1};this.setIsPreferredLink=function(a){D.ctatdebug("ETLink.setIsPreferredLink() was "+
+u+", now "+a);u=a};this.setVisualData=function(a){A=a};this.getVisualData=function(){return A}};
+CTATExampleTracerLink.compareLinkTypes=function(a,g){ctatdebug("CTATExampleTracerLink --\x3e in compareLinkTypes("+a+", "+g+")");return null===a||"undefined"===typeof a?null===g||"undefined"===typeof g?0:1:null===g||"undefined"===typeof g?-1:a.toString()===g.toString()?0:a.toString()===CTATExampleTracerLink.CORRECT_ACTION.toString()?-1:g.toString()===CTATExampleTracerLink.CORRECT_ACTION.toString()?1:a.toString()===CTATExampleTracerLink.FIREABLE_BUGGY_ACTION.toString()?-1:g.toString()===CTATExampleTracerLink.FIREABLE_BUGGY_ACTION.toString()?
+1:a.toString()===CTATExampleTracerLink.BUGGY_ACTION.toString()?-1:g.toString()===CTATExampleTracerLink.BUGGY_ACTION.toString()?1:0};Object.defineProperty(CTATExampleTracerLink,"BUGGY_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"Buggy Action"});Object.defineProperty(CTATExampleTracerLink,"FIREABLE_BUGGY_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"Fireable Buggy Action"});
 Object.defineProperty(CTATExampleTracerLink,"CORRECT_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"Correct Action"});Object.defineProperty(CTATExampleTracerLink,"NO_MODEL",{enumerable:!1,configurable:!1,writable:!1,value:"NO-MODEL"});Object.defineProperty(CTATExampleTracerLink,"HINT_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"Hint Action"});Object.defineProperty(CTATExampleTracerLink,"UNTRACEABLE_ERROR",{enumerable:!1,configurable:!1,writable:!1,value:"Untraceable Error"});
 Object.defineProperty(CTATExampleTracerLink,"CLT_ERROR_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"Error Action"});Object.defineProperty(CTATExampleTracerLink,"GIVEN_ACTION",{enumerable:!1,configurable:!1,writable:!1,value:"Given Action"});Object.defineProperty(CTATExampleTracerLink,"SUCCESS",{enumerable:!1,configurable:!1,writable:!1,value:"SUCCESS"});CTATExampleTracerLink.prototype=Object.create(CTATBase.prototype);CTATExampleTracerLink.prototype.constructor=CTATExampleTracerLink;
-"undefined"!==typeof module&&(module.exports=CTATExampleTracerLink);var CTATExampleTracerPathComparator=function(){CTATBase.call(this,"CTATExampleTracerPathComparator","");var a=this;this.compare=function(b,e){a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare");a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p1.isDonePath(): "+b.isDonePath());a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p2.isDonePath(): "+e.isDonePath());if(!0===b.isDonePath()&&!1===e.isDonePath())return-1;if(!0===e.isDonePath()&&!1===b.isDonePath())return 1;
-a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p2.isIncorrectPath(): "+e.isIncorrectPath());a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p1.isIncorrectPath()(): "+b.isIncorrectPath());if(!0===e.isIncorrectPath()&&!1===b.isIncorrectPath())return-1;if(!0===b.isIncorrectPath()&&!1===e.isIncorrectPath())return 1;a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p1.getNumberOfPreferredPrefixLinks(): "+b.getNumberOfPreferredPrefixLinks());a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p2.getNumberOfPreferredPrefixLinks(): "+
-e.getNumberOfPreferredPrefixLinks());var g=b.getNumberOfPreferredPrefixLinks(),d=e.getNumberOfPreferredPrefixLinks();if(g>d)return-1;if(g<d)return 1;a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p1.getNumberOfSuboptimalLinks(): "+b.getNumberOfSuboptimalLinks());a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p2.getNumberOfSuboptimalLinks(): "+e.getNumberOfSuboptimalLinks());g=b.getNumberOfSuboptimalLinks();d=e.getNumberOfSuboptimalLinks();if(g<d)return-1;if(g>d)return 1;
-a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p1.getNumberOfPreferredLinks(): "+b.getNumberOfPreferredLinks());a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p2.getNumberOfPreferredLinks(): "+e.getNumberOfPreferredLinks());g=b.getNumberOfPreferredLinks();d=e.getNumberOfPreferredLinks();if(g>d)return-1;if(g<d)return 1;g=b.getLinks().size;d=e.getLinks().size;a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p1.getLinks().size: "+g);a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p1.getLinks().size: "+
-d);if(g<d)return-1;if(g>d)return 1;a.ctatdebug("CTATExampleTracerPathComparator --\x3e out of comapre, about to call breakByLowerLinkID");return a.breakByLowerLinkID(b,e)};this.breakByLowerLinkID=function(b,e){a.ctatdebug("CTATExampleTracerPathComparator --\x3e in breakByLowerLinkID");var g=b.getSortedLinks(),d=e.getSortedLinks(),c=null,f=null,h=0,m=0;do a.ctatdebug("CTATExampleTracerPathComparator --\x3e in breakByLowerLinkID in do while"),m>=g.length?(a.ctatdebug("CTATExampleTracerPathComparator --\x3e in breakByLowerLinkID path 1 is shorter"),
-h=-1):m>=d.length?(a.ctatdebug("CTATExampleTracerPathComparator --\x3e in breakByLowerLinkID path 2 is shorter"),h=1):(a.ctatdebug("CTATExampleTracerPathComparator --\x3e in breakByLowerLinkID path are same, compare IDS"),c=g[m],f=d[m]),m++;while(0===h&&c.getUniqueID()===f.getUniqueID());0===h&&(a.ctatdebug("CTATExampleTracerPathComparator --\x3e in breakByLowerLinkID result is zero: "+c.getUniqueID()),a.ctatdebug("CTATExampleTracerPathComparator --\x3e in breakByLowerLinkID result is zero: "+f.getUniqueID()),
-h=c.getUniqueID()<f.getUniqueID()?-1:1);return h}};CTATExampleTracerPathComparator.prototype=Object.create(CTATBase.prototype);CTATExampleTracerPathComparator.prototype.constructor=CTATExampleTracerPathComparator;"undefined"!==typeof module&&(module.exports=CTATExampleTracerPathComparator);var CTATExampleTracerPath=function(a){CTATBase.call(this,"CTATExampleTracerPath","");var b=new Set;"undefined"!==typeof a&&null!==a&&a.forEach(function(a){ctatdebug("CTATExampleTracerPath --\x3e in constructor building links with "+a);b.add(a)});var e=null,g=null,d=null,c=null,f=null,h=null,m=this;this.isIncorrectPath=function(){ctatdebug("CTATExampleTracerPath --\x3e in isIncorrectPath");if(null!==h&&"undefined"!==typeof h)return h;var a=!1;m.getLinks().forEach(function(b){!0!==a&&b.getType().toString()===
-CTATExampleTracerLink.BUGGY_ACTION.toString()&&(a=h=!0)});if(!0===a)return!0;h=!1;ctatdebug("CTATExampleTracerPath --\x3e out of isIncorrectPath");return!1};this.getNumberOfSuboptimalLinks=function(){ctatdebug("CTATExampleTracerPath --\x3e in getNumberOfSuboptimalLinks");m.getSortedLinks();if(null!==c&&"undefined"!==typeof c)return c;var a=0;m.getLinks().forEach(function(b){CTATExampleTracerLink.FIREABLE_BUGGY_ACTION.toString()===b.getType().toString()&&a++});c=a;ctatdebug("CTATExampleTracerPath --\x3e out of getNumberOfSuboptimalLinks");
-return a};this.getNumberOfPreferredPrefixLinks=function(){ctatdebug("CTATExampleTracerPath --\x3e in getNumberOfPreferredPrefixLinks");if(null!==g&&"undefined"!==typeof g)return g;var a=0,b=!1;m.getSortedLinks().forEach(function(c){!0!==b&&(!0===c.getIsPreferredLink()?a++:b=!0)});g=a;ctatdebug("CTATExampleTracerPath --\x3e out of getNumberOfPreferredPrefixLinks");return a};this.size=function(){return b.size};this.containsAll=function(a){var b=!0;if(a)for(var c=0;b&&c<a.length;++c)b=m.getLinks().has(a[c]);
-m.ctatdebug("CTATExampleTracerPath containsAll(testLinks.length "+a.length+") returning "+b);return b};this.getLinksRestricted=function(a){ctatdebug("CTATExampleTracerPath --\x3e in getLinksRestricted");var c=CTATExampleTracerPath.getDeepestLink(a),d=new Set;b.forEach(function(a){a.getDepth()<=c.getDepth()&&d.add(a)});ctatdebug("CTATExampleTracerPath --\x3e out of getLinksRestricted");return d};this.getLinks=function(){ctatdebug("CTATExampleTracerPath --\x3e in getLinks");return b};this.getSortedLinks=
-function(){ctatdebug("CTATExampleTracerPath --\x3e in getSortedLinks that.getLinks(): "+m.getLinks());e=[];m.getLinks().forEach(function(a){e.push(a)});ctatdebug("CTATExampleTracerPath --\x3e in getSortedLinks sortedLinks.length(): "+e.length);e.sort(function(a,b){return a.getDepth()-b.getDepth()});ctatdebug("CTATExampleTracerPath --\x3e out of getSortedLinks, returning "+e);return e};this.isDonePath=function(){ctatdebug("CTATExampleTracerPath --\x3e in isDonePath");if(null!==f&&"undefined"!==typeof f)return f;
-var a=!1;m.getLinks().forEach(function(b){!0!==a&&!0===b.isDone()&&(a=f=!0)});if(!0===a)return!0;f=!1;ctatdebug("CTATExampleTracerPath --\x3e out of isDonePath");return!1};this.addLink=function(a){ctatdebug("CTATExampleTracerPath --\x3e in addLink ("+a+")");b.add(a);h=f=c=d=g=e=null;ctatdebug("CTATExampleTracerPath --\x3e out of addLink")};this.getNumberOfPreferredLinks=function(){ctatdebug("CTATExampleTracerPath --\x3e in getNumberOfPreferredLinks");if(null!==d&&"undefined"!==typeof d)return d;var a=
-0;m.getLinks().forEach(function(b){!0===b.getIsPreferredLink()&&a++});d=a;ctatdebug("CTATExampleTracerPath --\x3e out of getNumberOfPreferredLinks");return a};this.subpath=function(a){for(var b=new CTATExampleTracerPath,c=m.getSortedLinks(),d=0;d<c.length;++d)if(b.addLink(c[d]),c[d].getNextNode()==a.getNodeID())return b;return null};this.toString=function(){var a="CTATExampleTracerPath: links";m.getSortedLinks().forEach(function(b){a+=" "+b});return a};CTATExampleTracerPath.getDeepestLink=function(a){ctatdebug("CTATExampleTracerPath --\x3e in getDeepestLink");
+"undefined"!==typeof module&&(module.exports=CTATExampleTracerLink);var CTATExampleTracerPathComparator=function(){CTATBase.call(this,"CTATExampleTracerPathComparator","");var a=this;this.compare=function(g,f){a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare");a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p1.isDonePath(): "+g.isDonePath());a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p2.isDonePath(): "+f.isDonePath());if(!0===g.isDonePath()&&!1===f.isDonePath())return-1;if(!0===f.isDonePath()&&!1===g.isDonePath())return 1;
+a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p2.isIncorrectPath(): "+f.isIncorrectPath());a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p1.isIncorrectPath()(): "+g.isIncorrectPath());if(!0===f.isIncorrectPath()&&!1===g.isIncorrectPath())return-1;if(!0===g.isIncorrectPath()&&!1===f.isIncorrectPath())return 1;a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p1.getNumberOfPreferredPrefixLinks(): "+g.getNumberOfPreferredPrefixLinks());a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p2.getNumberOfPreferredPrefixLinks(): "+
+f.getNumberOfPreferredPrefixLinks());var d=g.getNumberOfPreferredPrefixLinks(),c=f.getNumberOfPreferredPrefixLinks();if(d>c)return-1;if(d<c)return 1;a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p1.getNumberOfSuboptimalLinks(): "+g.getNumberOfSuboptimalLinks());a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p2.getNumberOfSuboptimalLinks(): "+f.getNumberOfSuboptimalLinks());d=g.getNumberOfSuboptimalLinks();c=f.getNumberOfSuboptimalLinks();if(d<c)return-1;if(d>c)return 1;
+a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p1.getNumberOfPreferredLinks(): "+g.getNumberOfPreferredLinks());a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p2.getNumberOfPreferredLinks(): "+f.getNumberOfPreferredLinks());d=g.getNumberOfPreferredLinks();c=f.getNumberOfPreferredLinks();if(d>c)return-1;if(d<c)return 1;d=g.getLinks().size;c=f.getLinks().size;a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p1.getLinks().size: "+d);a.ctatdebug("CTATExampleTracerPathComparator --\x3e in compare p1.getLinks().size: "+
+c);if(d<c)return-1;if(d>c)return 1;a.ctatdebug("CTATExampleTracerPathComparator --\x3e out of comapre, about to call breakByLowerLinkID");return a.breakByLowerLinkID(g,f)};this.breakByLowerLinkID=function(g,f){a.ctatdebug("CTATExampleTracerPathComparator --\x3e in breakByLowerLinkID");var d=g.getSortedLinks(),c=f.getSortedLinks(),b=null,e=null,h=0,l=0;do a.ctatdebug("CTATExampleTracerPathComparator --\x3e in breakByLowerLinkID in do while"),l>=d.length?(a.ctatdebug("CTATExampleTracerPathComparator --\x3e in breakByLowerLinkID path 1 is shorter"),
+h=-1):l>=c.length?(a.ctatdebug("CTATExampleTracerPathComparator --\x3e in breakByLowerLinkID path 2 is shorter"),h=1):(a.ctatdebug("CTATExampleTracerPathComparator --\x3e in breakByLowerLinkID path are same, compare IDS"),b=d[l],e=c[l]),l++;while(0===h&&b.getUniqueID()===e.getUniqueID());0===h&&(a.ctatdebug("CTATExampleTracerPathComparator --\x3e in breakByLowerLinkID result is zero: "+b.getUniqueID()),a.ctatdebug("CTATExampleTracerPathComparator --\x3e in breakByLowerLinkID result is zero: "+e.getUniqueID()),
+h=b.getUniqueID()<e.getUniqueID()?-1:1);return h}};CTATExampleTracerPathComparator.prototype=Object.create(CTATBase.prototype);CTATExampleTracerPathComparator.prototype.constructor=CTATExampleTracerPathComparator;"undefined"!==typeof module&&(module.exports=CTATExampleTracerPathComparator);var CTATExampleTracerPath=function(a){CTATBase.call(this,"CTATExampleTracerPath","");var g=new Set;"undefined"!==typeof a&&null!==a&&a.forEach(function(a){ctatdebug("CTATExampleTracerPath --\x3e in constructor building links with "+a);g.add(a)});var f=null,d=null,c=null,b=null,e=null,h=null,l=this;this.isIncorrectPath=function(){ctatdebug("CTATExampleTracerPath --\x3e in isIncorrectPath");if(null!==h&&"undefined"!==typeof h)return h;var a=!1;l.getLinks().forEach(function(b){!0!==a&&b.getType().toString()===
+CTATExampleTracerLink.BUGGY_ACTION.toString()&&(a=h=!0)});if(!0===a)return!0;h=!1;ctatdebug("CTATExampleTracerPath --\x3e out of isIncorrectPath");return!1};this.getNumberOfSuboptimalLinks=function(){ctatdebug("CTATExampleTracerPath --\x3e in getNumberOfSuboptimalLinks");l.getSortedLinks();if(null!==b&&"undefined"!==typeof b)return b;var a=0;l.getLinks().forEach(function(b){CTATExampleTracerLink.FIREABLE_BUGGY_ACTION.toString()===b.getType().toString()&&a++});b=a;ctatdebug("CTATExampleTracerPath --\x3e out of getNumberOfSuboptimalLinks");
+return a};this.getNumberOfPreferredPrefixLinks=function(){ctatdebug("CTATExampleTracerPath --\x3e in getNumberOfPreferredPrefixLinks");if(null!==d&&"undefined"!==typeof d)return d;var a=0,b=!1;l.getSortedLinks().forEach(function(c){!0!==b&&(!0===c.getIsPreferredLink()?a++:b=!0)});d=a;ctatdebug("CTATExampleTracerPath --\x3e out of getNumberOfPreferredPrefixLinks");return a};this.size=function(){return g.size};this.containsAll=function(a){var b=!0;if(a)for(var c=0;b&&c<a.length;++c)b=l.getLinks().has(a[c]);
+l.ctatdebug("CTATExampleTracerPath containsAll(testLinks.length "+a.length+") returning "+b);return b};this.getLinksRestricted=function(a){ctatdebug("CTATExampleTracerPath --\x3e in getLinksRestricted");var b=CTATExampleTracerPath.getDeepestLink(a),c=new Set;g.forEach(function(a){a.getDepth()<=b.getDepth()&&c.add(a)});ctatdebug("CTATExampleTracerPath --\x3e out of getLinksRestricted");return c};this.getLinks=function(){ctatdebug("CTATExampleTracerPath --\x3e in getLinks");return g};this.getSortedLinks=
+function(){ctatdebug("CTATExampleTracerPath --\x3e in getSortedLinks that.getLinks(): "+l.getLinks());f=[];l.getLinks().forEach(function(a){f.push(a)});ctatdebug("CTATExampleTracerPath --\x3e in getSortedLinks sortedLinks.length(): "+f.length);f.sort(function(a,b){return a.getDepth()-b.getDepth()});ctatdebug("CTATExampleTracerPath --\x3e out of getSortedLinks, returning "+f);return f};this.isDonePath=function(){ctatdebug("CTATExampleTracerPath --\x3e in isDonePath");if(null!==e&&"undefined"!==typeof e)return e;
+var a=!1;l.getLinks().forEach(function(b){!0!==a&&!0===b.isDone()&&(a=e=!0)});if(!0===a)return!0;e=!1;ctatdebug("CTATExampleTracerPath --\x3e out of isDonePath");return!1};this.addLink=function(a){ctatdebug("CTATExampleTracerPath --\x3e in addLink ("+a+")");g.add(a);h=e=b=c=d=f=null;ctatdebug("CTATExampleTracerPath --\x3e out of addLink")};this.getNumberOfPreferredLinks=function(){ctatdebug("CTATExampleTracerPath --\x3e in getNumberOfPreferredLinks");if(null!==c&&"undefined"!==typeof c)return c;var a=
+0;l.getLinks().forEach(function(b){!0===b.getIsPreferredLink()&&a++});c=a;ctatdebug("CTATExampleTracerPath --\x3e out of getNumberOfPreferredLinks");return a};this.subpath=function(a){for(var b=new CTATExampleTracerPath,c=l.getSortedLinks(),d=0;d<c.length;++d)if(b.addLink(c[d]),c[d].getNextNode()==a.getNodeID())return b;return null};this.toString=function(){var a="CTATExampleTracerPath: links";l.getSortedLinks().forEach(function(b){a+=" "+b});return a};CTATExampleTracerPath.getDeepestLink=function(a){ctatdebug("CTATExampleTracerPath --\x3e in getDeepestLink");
 var b=null;a.forEach(function(a){if(null===b||"undefined"===typeof b||b.getDepth()<a.getDepth())b=a});ctatdebug("CTATExampleTracerPath --\x3e out of getDeepestLink");return b};CTATExampleTracerPath.getBestPath=function(a){ctatdebug("CTATExampleTracerPath --\x3e in getBestPath");var b=null,c=new CTATExampleTracerPathComparator;a.forEach(function(a){ctatdebug("CTATExampleTracerPath --\x3e in getBestPath loop");if(null===b||"undefined"===typeof b||0<c.compare(b,a))b=a});ctatdebug("CTATExampleTracerPath --\x3e out of getBestPath");
-return b}};CTATExampleTracerPath.prototype=Object.create(CTATBase.prototype);CTATExampleTracerPath.prototype.constructor=CTATExampleTracerPath;"undefined"!==typeof module&&(module.exports=CTATExampleTracerPath);var CTATLinkGroup=function(){CTATBase.call(this,"CTATLinkGroup","")};CTATLinkGroup.prototype=Object.create(CTATBase.prototype);CTATLinkGroup.prototype.constructor=CTATLinkGroup;"undefined"!==typeof module&&(module.exports=CTATLinkGroup);var CTATDefaultLinkGroup=function(a,b,e,g){CTATLinkGroup.call(this,"CTATDefaultLinkGroup",a);var d=a,c=b,f=e,h=new Set;null!==g&&"undefined"!==typeof g&&g.forEach(function(a){h.add(a)});var m=new Set,l=null,q=null,p=this;p.ctatdebug("CTATDefaultLinkGroup constructor group name: "+a);p.ctatdebug("CTATDefaultLinkGroup constructor group isOrdered: "+b);p.ctatdebug("CTATDefaultLinkGroup constructor group isReenterable: "+e);this.setOrdered=function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in setOrdered group name: "+
-d);p.ctatdebug("CTATDefaultLinkGroup --\x3e in setOrdered:: "+a);c=a};this.setName=function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in setName: "+a);d=a};this.containsLink=function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in containsLink: "+a.getUniqueID());return h.has(a)};this.removeLink=function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in removeLink: "+a.getUniqueID());return h["delete"](a)};this.getParent=function(){p.ctatdebug("CTATDefaultLinkGroup --\x3e in getParent");return l};this.addLink=
-function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in addLink: "+a.getUniqueID());h.add(a)};this.getIsOrdered=function(){p.ctatdebug("CTATDefaultLinkGroup --\x3e in getIsOrdered: "+c);return c};this.getIsReenterable=function(){p.ctatdebug("CTATDefaultLinkGroup --\x3e in getIsReenterable: "+f);return f};this.getSubgroups=function(){p.ctatdebug("CTATDefaultLinkGroup --\x3e in getSubgroups");return m};this.getLinks=function(){p.ctatdebug("CTATDefaultLinkGroup --\x3e in getLinks");return h};this.setReenterable=
-function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in setReenterable: "+a);f=a};this.setParent=function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in setParent: "+a.getName());l=a};this.addSubgroup=function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in addSubgroup groupName: "+a.getName());m.add(a)};this.getName=function(){return d};this.getDefaultBuggyMsg=function(){return q};this.setDefaultBuggyMsg=function(a){q=""==a?null:a};this.toString=function(){return"Group Name: "+this.getName()}};
-CTATDefaultLinkGroup.prototype=Object.create(CTATLinkGroup.prototype);CTATDefaultLinkGroup.prototype.constructor=CTATDefaultLinkGroup;"undefined"!==typeof module&&(module.exports=CTATDefaultLinkGroup);var InternalGroupIterator=function(a,b){CTATBase.call(this,"InternalGroupIterator",a);var e=this,g=b.length,d=[],c=0;a.getSubgroups().forEach(function(a){a&&d.push(a)});b.push(e);e.ctatdebug("InternalGroupIterator() constructor group "+a+", stack.length "+b.length+", sgList.length "+d.length);this.toString=function(){return"{"+a+" at "+g+" with "+d.length+" subgroups}"};this.next=function(){return c>=d.length?(b.pop(),e.ctatdebug("InternalGroupIterator at deepest next() returning "+a+" with stack.length "+
-b.length),{value:a,done:!1}):(new InternalGroupIterator(d[c++],b)).next()}};InternalGroupIterator.prototype=Object.create(CTATBase.prototype);InternalGroupIterator.prototype.constructor=InternalGroupIterator;var CTATGroupIterator=function(a){CTATBase.call(this,"CTATGroupIterator",a);this.ctatdebug("CTATGroupIterator("+a+") begin constructor");var b=null;this.next=function(){null===b&&(b=[],new InternalGroupIterator(a,b));return 0>=b.length?{value:null,done:!0}:b[b.length-1].next()}};
-CTATGroupIterator.prototype=Object.create(CTATBase.prototype);CTATGroupIterator.prototype.constructor=CTATGroupIterator;"undefined"!==typeof module&&(module.exports=CTATGroupIterator);var CTATGroupModel=function(){CTATBase.call(this,"CTATGroupModel","");var a=this;this.clear=function(){};this.setDefaultReenterable=function(a){};this.setGroupOrdered=function(a,e){};this.getTopLevelGroup=function(){};this.setGroupName=function(a,e){};this.addLinkToGroup=function(a,e){};this.isGroupOrdered=function(a){};this.isGroupReenterable=function(a){};this.isLinkInGroup=function(){};this.getGroupsContainingLink=function(a){};this.getGroupLinkCount=function(b){return a.getGroupLinks(b).size};
-this.getLowestLevelGroupOfLink=function(a){};this.getGroupSubgroups=function(a){};this.getUniqueLinks=function(a){};this.getGroupLinks=function(a){};this.removeLinkFromGroup=function(a,e){};this.getGroupParent=function(a){};this.addGroup=function(a,e,g){};this.setGroupReenterable=function(a,e){}};CTATGroupModel.prototype=Object.create(CTATBase.prototype);CTATGroupModel.prototype.constructor=CTATGroupModel;"undefined"!==typeof module&&(module.exports=CTATGroupModel);var CTATDefaultGroupModel=function(){function a(a,c,d){m.ctatdebug("CTATDefaultGroupModel --\x3e in internalRemoveLinkFromGroupRecursive");!0===a.containsLink(c)&&(m.getGroupSubgroups(a).forEach(function(a){m.removeLinkFromGroup(a,c)}),(a!==f||d)&&b(a,c))}function b(a,b){m.ctatdebug("CTATDefaultGroupModel --\x3e in internalRemoveLinkFromGroup");return a.removeLink(b)}function e(a,b){m.ctatdebug("CTATDefaultGroupModel --\x3e in getImmediateGroupOfLink");var c=null,d=!1,f=null;m.getGroupSubgroups(b).forEach(function(b){!0!==
-d&&!0===m.isLinkInGroup(b,a)&&(c=e(a,b),f=null!==c&&"undefined"!==typeof c?c:b,d=!0)});return!0===d?f:null}function g(a,b){m.ctatdebug("CTATDefaultGroupModel --\x3e in getNaturalContainingGroup");if(b.size===m.getGroupLinks(a).size)throw m.getGroupLinks(a).forEach(function(c){if(!1===b.has(c))throw new CTATExampleTracerException("Invalid link selection: Partial overlap with existing group: "+a);}),new CTATExampleTracerException("Group containing this set of links already exists: "+a);if(b.size>=m.getGroupLinks(a).size)throw new CTATExampleTracerException("Invalid link selection: Partial overlap with existing group: "+
-a);var c=!1,d=null;b.forEach(function(e){if(!0!==c){if(!1===m.isLinkInGroup(a,e))throw new CTATExampleTracerException("Invalid link selection: Partial overlap with existing group: "+a);m.getGroupSubgroups(a).forEach(function(f){!0!==c&&!0===m.isLinkInGroup(f,e)&&(m.getGroupLinkCount(f)>=b.size?(d=g(f,b),c=!0):m.getGroupLinks(f).forEach(function(c){if(!1===b.has(c))throw new CTATExampleTracerException("Invalid link selection: Partial overlap with existing group: "+a);}))})}});return!0===c?d:a}function d(a,
-b){m.ctatdebug("CTATDefaultGroupModel --\x3e in addSubgroupPreserveSanity parent: "+a.getName());m.ctatdebug("CTATDefaultGroupModel --\x3e in addSubgroupPreserveSanity child: "+b.getName());m.ctatdebug("CTATDefaultGroupModel --\x3e in addSubgroupPreserveSanity size: "+m.getGroupSubgroups(a).size);m.getGroupSubgroups(a).forEach(function(d){var e=m.getGroupLinks(d);if(0===e.size)m.getGroupSubgroups(a)["delete"](d),c(b,d);else{var f=null,g=!1;e.forEach(function(a){!1===g&&(f=a,g=!0)});!0===m.isLinkInGroup(b,
-f)&&(m.getGroupSubgroups(a)["delete"](d),c(b,d))}});c(a,b)}function c(a,b){m.ctatdebug("CTATDefaultGroupModel --\x3e in addSubgroup");a.addSubgroup(b);b.setParent(a)}CTATGroupModel.call(this);var f=null,h=!1,m=this;this.clear=function(){m.ctatdebug("CTATDefaultGroupModel --\x3e in clear");f=new CTATDefaultLinkGroup("defaultName",!0,h,null)};this.setDefaultReenterable=function(a){m.ctatdebug("CTATDefaultGroupModel --\x3e in setDefaultReenterable");h=a};this.setGroupOrdered=function(a,b){m.ctatdebug("CTATDefaultGroupModel --\x3e in setGroupOrdered");
-a.setOrdered(b)};this.getTopLevelGroup=function(){ctatdebug("CTATDefaultGroupModel --\x3e in getTopLevelGroup");return f};this.setGroupName=function(a,b){m.ctatdebug("CTATDefaultGroupModel --\x3e in setGroupName");a.setName(b)};this.addLinkToGroup=function(a,b){m.ctatdebug("CTATDefaultGroupModel --\x3e in addLinkToGroup");for(m.removeLinkFromGroup(f,b);null!==a&&"undefined"!==typeof a;a=m.getGroupParent(a)){var c=a,d=b;m.ctatdebug("CTATDefaultGroupModel --\x3e in internalAddLinkToGroup");c.addLink(d)}};
-this.isGroupOrdered=function(a){m.ctatdebug("CTATDefaultGroupModel --\x3e in isGroupOrdered group name: "+a.getName());m.ctatdebug("CTATDefaultGroupModel --\x3e in isGroupOrdered: "+a.getIsOrdered());return a.getIsOrdered()};this.isGroupReenterable=function(a){m.ctatdebug("CTATDefaultGroupModel --\x3e in isGroupReenterable");return a.getIsReenterable()};this.isLinkInGroup=function(a,b){m.ctatdebug("CTATDefaultGroupModel --\x3e in isLinkInGroup");return a.containsLink(b)};this.getGroupsContainingLink=
-function(a){m.ctatdebug("CTATDefaultGroupModel --\x3e in getGroupsContainingLink("+a+"): TopLevel "+f+", typeof(TopLevel) "+typeof f);var b=new Set,c=new CTATGroupIterator(f);m.ctatdebug("CTATDefaultGroupModel --\x3e in getGroupsContainingLink before loop: groupIter "+c+", typeof(groupIter) "+typeof c);for(var d=c.next();!d.done;d=c.next())d=d.value,!0===m.isLinkInGroup(d,a)&&b.add(d);m.ctatdebug("CTATDefaultGroupModel --\x3e in getGroupsContainingLink returning groups.size "+b.size);return b};this.getLowestLevelGroupOfLink=
-function(a){m.ctatdebug("CTATDefaultGroupModel --\x3e in getLowestLevelGroupOfLink");var b=e(a,f);return null!==b&&"undefined"!==typeof b?b:!0===m.isLinkInGroup(f,a)?f:null};this.getGroupSubgroups=function(a){m.ctatdebug("CTATDefaultGroupModel --\x3e in getGroupSubgroups");return null!==a&&"undefined"!==typeof a?a.getSubgroups():null};this.getUniqueLinks=function(a){m.ctatdebug("CTATDefaultGroupModel --\x3e in getUniqueLinks");var b=new Set;m.getGroupLinks(a).forEach(function(a){b.add(a)});m.getGroupSubgroups(a).forEach(function(a){m.getGroupLinks(a).forEach(function(a){b["delete"](a)})});
-return b};this.getGroupLinks=function(a){m.ctatdebug("CTATDefaultGroupModel --\x3e in getGroupLinks: "+a.getName());return a.getLinks()};this.removeLinkFromGroup=function(b,c){m.ctatdebug("CTATDefaultGroupModel --\x3e in removeLinkFromGroup");a(b,c,!1)};this.getGroupParent=function(a){m.ctatdebug("CTATDefaultGroupModel --\x3e in getGroupParent");return a.getParent()};this.addGroup=function(a,b,c){m.ctatdebug("CTATDefaultGroupModel --\x3e in addGroup");var e=null;try{e=g(f,c)}catch(r){return r.toString()}a=
-new CTATDefaultLinkGroup(a,b,h,c);m.ctatdebug("CTATDefaultGroupModel --\x3e in addGroup after creating new group");d(e,a);return""};this.setGroupReenterable=function(a,b){m.ctatdebug("CTATDefaultGroupModel --\x3e in setGroupReenterable");a.setReenterable(b)};this.createIdToLinkMap=function(){m.ctatdebug("CTATDefaultGroupModel --\x3e in createIdToLinkMap");var a={};m.getGroupLinks(f).forEach(function(b){a[b.getUniqueID()]=b});return a};this.getGroupByName=function(a){m.ctatdebug("CTATDefaultGroupModel --\x3e in getGroupByName TopLevel has: "+
-f.getSubgroups().size);for(var b=new CTATGroupIterator(f),c=b.next();!c.done;c=b.next())if(c=c.value,m.getGroupName(c).toString()===a.toString())return c;return null};this.getGroupName=function(a){return a.getName()};m.clear()};CTATDefaultGroupModel.prototype=Object.create(CTATGroupModel.prototype);CTATDefaultGroupModel.prototype.constructor=CTATDefaultGroupModel;"undefined"!==typeof module&&(module.exports=CTATDefaultGroupModel);var CTATMatcherComparator=function(){CTATBase.call(this,"CTATMatcherComparator","");CTATMatcherComparator.compare=function(a,b){ctatdebug("CTATMatcherComparator--\x3e in compare");var e=CTATMatcherComparator.compareBasedOnType(a,b);if(0!==e||!1===a instanceof CTATVectorMatcher&&!1===b instanceof CTATVectorMatcher)return e;e=CTATMatcherComparator.compareBasedOnType(a.getSingleMatcher("input"),b.getSingleMatcher("input"));if(0!==e)return e;e=CTATMatcherComparator.compareBasedOnType(a.getSingleMatcher("selection"),
-b.getSingleMatcher("selection"));return 0!==e?e:CTATMatcherComparator.compareBasedOnType(a.getSingleMatcher("action"),b.getSingleMatcher("action"))};CTATMatcherComparator.compareBasedOnType=function(a,b){ctatdebug("CTATMatcherComparator --\x3e in compareBasedOnType");for(var e in CTATMatcherComparator.matcherPrecedenceOrder)if(CTATMatcherComparator.matcherPrecedenceOrder.hasOwnProperty(e)&&a instanceof CTATMatcherComparator.matcherPrecedenceOrder[e])break;for(var g in CTATMatcherComparator.matcherPrecedenceOrder)if(CTATMatcherComparator.matcherPrecedenceOrder.hasOwnProperty(g)&&
-b instanceof CTATMatcherComparator.matcherPrecedenceOrder[g])break;return e<g?1:e>g?-1:0}};Object.defineProperty(CTATMatcherComparator,"matcherPrecedenceOrder",{enumerable:!1,configurable:!1,writable:!1,value:{0:CTATExactMatcher,1:CTATRangeMatcher,2:CTATExpressionMatcher,3:CTATWildcardMatcher,4:CTATRegexMatcher,5:CTATAnyMatcher}});CTATMatcherComparator.prototype=Object.create(CTATBase.prototype);CTATMatcherComparator.prototype.constructor=CTATMatcherComparator;
-"undefined"!==typeof module&&(module.exports=CTATMatcherComparator);new CTATMatcherComparator;var CTATExampleTracerLinkComparator=function(a,b){CTATBase.call(this,"CTATExampleTracerLinkComparator","");this.compare=function(e,g){ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare l1.getUniqueID(): "+e.getUniqueID());ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare l2.getUniqueID(): "+g.getUniqueID());var d=e.getType(),c=g.getType(),d=CTATExampleTracerLink.compareLinkTypes(d,c);if(0!==d)return ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare m: "+d),d;d=b.nonEmptyHints(e,
-a.getVariableTable());c=b.nonEmptyHints(g,a.getVariableTable());ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare h1, h2: "+d+", "+c);if(0<d&&0>=c)return-1;if(0>=d&&0<c)return 1;ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare l1.getDepth(), l2.getDepth(): "+e.getDepth()+", "+g.getDepth());if(e.getDepth()<g.getDepth())return-1;if(e.getDepth()>g.getDepth())return 1;d=a.getTraversalCount(e)-e.getMinTraversals();c=a.getTraversalCount(g)-g.getMinTraversals();ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare tc1, tc2: "+
-d+", "+c);if(0>d&&0<=c)return-1;if(0<=d&&0>c)return 1;ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare l1.getIsPreferredLink(): "+e.getIsPreferredLink());ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare l2.getIsPreferredLink(): "+g.getIsPreferredLink());if(e.getIsPreferredLink())return-1;if(g.getIsPreferredLink())return 1;if(0!==(d=CTATMatcherComparator.compare(e.getMatcher(),g.getMatcher())))return d;ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare l1.getUniqueID(): "+
-e.getUniqueID());ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare l2.getUniqueID(): "+g.getUniqueID());return e.getUniqueID()<g.getUniqueID()?-1:1}};CTATExampleTracerLinkComparator.prototype=Object.create(CTATBase.prototype);CTATExampleTracerLinkComparator.prototype.constructor=CTATExampleTracerLinkComparator;"undefined"!==typeof module&&(module.exports=CTATExampleTracerLinkComparator);var CTATExampleTracerEvent=function(a,b,e){CTATBase.call(this,"CTATExampleTracerEvent",b?b.toString():"null");var g="",d=!1,c=CTATExampleTracerLink.NO_MODEL,f=!1,h=null,m=null,l="student",q=null,p=null,u="",r=null,w=null,n=null,B=null,v=null,y=[],A=!1,F=null,D=null,x=this;this.getActor=function(){return l};this.setActor=function(a){x.ctatdebug("CTATExampleTracerEvent --\x3e setActor("+a+")");l=a};this.getStudentSAI=function(){x.ctatdebug("CTATExampleTracerEvent.getStudentSAI() returning type "+typeof h+
-", value "+h);return h};this.setStudentSAI=function(a){x.ctatdebug("CTATExampleTracerEvent --\x3e in setStudentSAI("+a+")");null!==a&&"undefined"!==typeof a&&(h=a);x.ctatdebug("CTATExampleTracerEvent --\x3e out of setStudentSAI")};this.getPreloadedLinkMatches=function(){x.ctatdebug("CTATExampleTracerEvent --\x3e in getPreloadedLinkMatches");return w};this.setTutorSAI=function(a){x.ctatdebug("CTATExampleTracerEvent --\x3e in setTutorSAI");null!==a&&"undefined"!==typeof a&&(m=a);x.ctatdebug("CTATExampleTracerEvent --\x3e out of setTutorSAI")};
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-ctatdebug("CTATExampleTracerInterpretation --\x3e in putInlinkIdTraversalCountMap key: "+a);ctatdebug("CTATExampleTracerInterpretation --\x3e in putInlinkIdTraversalCountMap value: "+b);e[a]=b};this.setWorstLinkType=function(a){c=a};this.addLink=function(a){!a.isTraversable()||f&&f.getLinks().has(a)||(f=null);ctatdebug("CTATExampleTracerInterpretation.addLink("+(a&&a.getUniqueID())+") pathToDone "+(f&&f.size()));b.push(a);var d=a.getMatcher(),d=null===d||"undefined"===typeof d?1:d.getTraversalIncrement(),
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-c.getActionType().toString().toUpperCase()||CTATExampleTracerLink.FIREABLE_BUGGY_ACTION.toString().toUpperCase()===c.getActionType().toString().toUpperCase())a=a.getSelection(),null!==a&&"undefined"!==typeof a&&0<a.length&&g.put(a,e);return d};this.getLastMatchedLink=function(){return 0===b.length?null:b[b.length-1]};this.getMatchedLinks=function(){return b};this.getType=function(){return c};this.isTraversed=function(a,b){ctatdebug("CTATExampleTracerInterpretation --\x3e in isTraversed: "+a.getUniqueID());
-var c=e[a.getUniqueID()];if(null===c||"undefined"===typeof c)return ctatdebug("CTATExampleTracerInterpretation --\x3e in isTraversed in if condition (traversalCount === null): "+(null===c)),ctatdebug("CTATExampleTracerInterpretation --\x3e in isTraversed in if condition (typeof(traversalCount) === 'undefined'): "+("undefined"===typeof c)),!0===b?0>=a.getMinTraversals():!1;ctatdebug("CTATExampleTracerInterpretation --\x3e in isTraversed out of if condition traversalCount[0]: "+c[0]);ctatdebug("CTATExampleTracerInterpretation --\x3e in isTraversed out of if condition link.getMinTraversals(): "+
-a.getMinTraversals());return c[0]>=a.getMinTraversals()};this.toString=function(){var a="{";b.forEach(function(b){a+=b.getUniqueID()+", "});a.substring(a.length-2,a.length).toString()===", ".toString()&&(a=a.substring(0,a.length-2));a+=" ("+(null===d||"undefined"===typeof d?-1:d.size)+" paths)";a+=" var tbl "+g;return a+="}"}};CTATExampleTracerInterpretation.prototype=Object.create(CTATBase.prototype);CTATExampleTracerInterpretation.prototype.constructor=CTATExampleTracerInterpretation;
-"undefined"!==typeof module&&(module.exports=CTATExampleTracerInterpretation);var CTATExampleTracerInterpretationComparator=function(){CTATBase.call(this,"CTATExampleTracerInterpretationComparator","");var a=this;this.compare=function(b,e){a.ctatdebug("CTATExampleTracerInterpretationComparator --\x3e in compare");var g=b.getType(),d=CTATExampleTracerLink.compareLinkTypes(g,e.getType());ctatdebug("CTATExampleTracerInterpretationComparator comparing i1Type: "+b.getType());ctatdebug("CTATExampleTracerInterpretationComparator comparing i2Type: "+e.getType());ctatdebug("CTATExampleTracerInterpretationComparator comparing link types result: "+
-d);if(0!==d)return ctatdebug("CTATExampleTracerInterpretationComparator result is not equal to 0"),0>d?1:-1;if(CTATExampleTracerLink.BUGGY_ACTION.toString().toUpperCase()===g.toString().toUpperCase()&&(ctatdebug("CTATExampleTracerInterpretationComparator checking for buggy actions"),g=b.getLastMatchedLink(),d=e.getLastMatchedLink(),g=CTATMatcherComparator.compare(g.getMatcher(),d.getMatcher()),0!==g))return g;var d=CTATExampleTracerPath.getBestPath(b.getPaths()),g=CTATExampleTracerPath.getBestPath(e.getPaths()),
-c=new Set;c.add(d);c.add(g);d=CTATExampleTracerPath.getBestPath(c);ctatdebug("CTATExampleTracerInterpretationComparator found best path: "+(d===g));d.getLinks().forEach(function(b){a.ctatdebug("My best link==: "+b.getUniqueID())});return d===g?-1:1}};CTATExampleTracerInterpretationComparator.prototype=Object.create(CTATBase.prototype);CTATExampleTracerInterpretationComparator.prototype.constructor=CTATExampleTracerInterpretationComparator;"undefined"!==typeof module&&(module.exports=CTATExampleTracerInterpretationComparator);var CTATExampleTracerTracer_count=0,CTATExampleTracerTracer=function(a,b){function e(a,b,c){if(!a)return a;b=new CTATFormulaParser(b);t.ctatdebug("CTATETT.interpolate("+a+",vt,"+c+")");var d=c.getSelection(),e=c.getAction();c=c.getInput();c=CTATVariableTable.standardizeType(c);t.ctatdebug("CTATETT.interpolate() calling CTATFP.interpolate("+a+", "+d+", "+e+", "+c);a=b.interpolate(a,d,e,c);t.ctatdebug("CTATETT.interpolate() returning "+a);return a}function g(a,b,c,d,f,g){t.ctatdebug("finishEvaluate() doUpdate "+
-b+", link "+d+", bestInterp.getLastMatchedLink() "+f.getLastMatchedLink());null==d&&(d=f.getLastMatchedLink());(b||a.getWantReportableHints())&&g.forEach(function(b){var c=b.getLastMatchedLink();c&&(c.getActionType()==CTATExampleTracerLink.CORRECT_ACTION?a.getHintRequest()?a.getWantReportableHints()&&b.setLatestHints(d.interpolateHints(b.getVariableTable()),c.getHints()):b.setLatestSuccessMessage(e(c.getSuccessMsg(),b.getVariableTable(),a.getStudentSAI())):b.setLatestBuggyMessage(e(c.getBuggyMsg(),
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-F.splice(F.length-1,1)}a.isSolverResult()||(t.ctatdebug("In evaluate inside the solver result if condition + "+c),a.setResult(c));t.ctatdebug("In evaluate out the solver result if condition");a.setReportableLink(d);a.setReportableInterpretation(f);a.setReportableVariableTable(f.getVariableTable());a.getHintRequest()||(b=d.getTutorSAI(a.getInterpolatedSAI(),f.getVariableTable()),t.ctatdebug("In evaluate -- TUTORSAI: "+b+", studentSAI was "+a.getStudentSAI()),a.setTutorSAI(b));b=c==CTATExampleTracerLink.CORRECT_ACTION?
-f.getLatestSuccessMessage():f.getLatestBuggyMessage();t.ctatdebug('ETT.finishEvaluate() successOrBuggyMsg "'+b+'"');a.setSuccessOrBuggyMsg(b);a.getHintRequest()&&(a.setReportableHints(f.getLatestHints()),t.ctatdebug("In evaluate --\x3e after setReportableHints"));t.ctatdebug("In evaluate after fireExampleTracerEvent");t.ctatdebug("CTATExampleTracerTracer --\x3e out of finishEvaluate");return c.toString()!==CTATExampleTracerLink.BUGGY_ACTION.toString()}function d(a,b,d,e){t.ctatdebug("checkDoneStep() hintTrace "+
-b+", sai "+a.getStudentSAI()+", exitOnIncorrectDone "+D.exitOnIncorrectDone()+", hideButRequireSteps "+D.hideButRequireSteps()+", nInterps "+e.size);if(!a.getStudentSAI().isDone())return t.ctatdebug("checkDoneStep() not isDone(), so setDoneStepFailed(false) & return null "),null;if(D.exitOnIncorrectDone())return t.ctatdebug("checkDoneStep() exitOnIncorrectDone() with setDoneStepFailed(false), so return CORRECT"),c(a,d,null,e);if(!b&&D.hideButRequireSteps()){b=D.getDoneLinks();t.ctatdebug("checkDoneStep getDoneLinks().size "+
-b.size);b=b.values();for(var f;!(f=b.next()).done;)if(D.pathToLinkIsSubset(f.value,E))return c(a,d,f.value,e)}1>e.size&&a.setDoneStepFailed(!0);return null}function c(a,b,c,d){a.setDoneStepFailed(!1);return 1>d.size?g(a,b,CTATExampleTracerLink.CORRECT_ACTION,c,t.getBestInterpretation(),t.getInterpretationsInternal()):g(a,b,CTATExampleTracerLink.CORRECT_ACTION,c,p(d),d)}function f(a,b,c){t.ctatdebug("CTATExampleTracerTracer --\x3e _evaluate("+a+", "+b+", "+c+")");x=a;var e=new Set,f=a.getPreloadedLinkMatches();
-t.ctatdebug("interps # : "+y.length);t.ctatdebug("interps: "+y);y.forEach(function(d){t.ctatdebug("In evaluate -- entered the interpretations loop");if("undefined"===typeof f||null===f)t.ctatdebug("In evaluate -- entered if check for saiLinkMatches"),f=m(a.getStudentSAI(),a.getActor(),b,d.getVariableTable(),a),t.ctatdebug("In evaluate -- exiting if check for saiLinkMatches");else for(var g=0;g<f.length;++g)h(a.getStudentSAI(),!0,f[g],f[g].getActor(),d.getVariableTable());t.ctatdebug("Link matches # : "+
-f.length);f.forEach(function(b){t.ctatdebug("In evaluate -- entered the saiLinkMatches loop + "+b);if(!D.relaxOrderConstraints()&&d.getTraversalCount(b)>=b.getMaxTraversals())return t.ctatdebug("In evaluate -- skipped a saiLinkMatches loop \n Skipped due to max traversals"+b.getMaxTraversals()),!1;var f=d.clone();t.ctatdebug("In evaluate size of getPaths "+f.getPaths().size);f.getPaths().forEach(function(c){t.ctatdebug("In evaluate -- looping through the newInterp.getPaths()\n Examining path: "+c);
-!1===l(b,f,c,!1,a)&&(t.ctatdebug("In evaluate -- in if condition, checking if isPathOK"),f.getPaths()["delete"](c),t.ctatdebug("In evaluate -- out of if condition, checking if isPathOK\n Tried to delete path."))});t.ctatdebug("In evaluate -- done looping through the newInterp.getPaths(), size "+f.getPaths().size);if(0<f.getPaths().size){t.ctatdebug("In evaluate -- if number of paths is greater than 0");f.addLink(b);t.ctatdebug("In evaluate -- new link added");if(!0===c){t.ctatdebug("In evaluate -- we are in the doUpdate if condition");
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-" set");var n=d(a,b,c,e);if(null!==n)return n;if(0===e.size)return t.ctatdebug("In evaluate -- if condition no new interpretations"),0!==f.length&&!0===f[0].isDone()&&a.setDoneStepFailed(!0),a.setResult(CTATExampleTracerLink.NO_MODEL),t.ctatdebug("In evaluate -- if condition no new interpretations returning false"),!1;n=p(e);t.ctatdebug("In evaluate -- just found bestInterp");var r=null;!0===a.isSolverResult()?(t.ctatdebug("In evaluate -- in if branch of isSolverResult"),r=CTATExampleTracerLink.NO_MODEL.toString().toUpperCase()===
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-E[c.getUniqueID()])}function m(a,b,c,d,e){t.ctatdebug("CTATExampleTracerTracer --\x3e in findSAIMatchingLinks("+a+", "+b+", "+c+")");var f=[];D.getLinks().forEach(function(g){if(!1===c){t.ctatdebug("Calling link.matchesSAI() on link "+g+", sai "+a);var l=g.matchesSAI(a,b,d);t.ctatdebug("Result from link.matchesSAI() on link "+g+": "+l+", typeof "+typeof l);!0===l&&f.push(g);D.hideButRequireSteps()&&h(a,l,g,b,d)}else!0===g.matchesSAIforHint(a,b,e,d)&&f.push(g)});t.ctatdebug("CTATExampleTracerTracer --\x3e out of findSAIMatchingLinks: #matchingLinks "+
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--1;b.getInLinks().forEach(function(a){-1===a.getDepth()&&n(a);a.getDepth()>c&&(c=a.getDepth())});a.setDepth(c+1)}}CTATBase.call(this,"CTATExampleTracerGraph","visualdata");var B=null,v=null,y=null,A=null,F=null,D=null,x=new Set,C=new Set,E=null,t=null,G=CTATMsgType.SHOW_ALL_FEEDBACK,z=this;this.getFeedbackPolicy=function(){return G};this.setFeedbackPolicy=function(a){z.ctatdebug("Graph.setFeedbackPolicy("+a+") old policy "+G);G="false"===a?CTATMsgType.SHOW_ALL_FEEDBACK:"true"===a?CTATMsgType.HIDE_ALL_FEEDBACK:
-a};this.hideButRequireSteps=function(){return G==CTATMsgType.HIDE_BUT_COMPLETE};this.hideAllFeedback=function(){return G==CTATMsgType.HIDE_ALL_FEEDBACK};this.relaxOrderConstraints=function(){return z.hideAllFeedback()||z.hideButRequireSteps()||G==CTATMsgType.DELAY_FEEDBACK};this.exitOnIncorrectDone=function(){switch(G){case CTATMsgType.HIDE_ALL_FEEDBACK:case CTATMsgType.HIDE_BUT_ENFORCE:return!0;default:return!1}};this.getDefaultBuggyMsg=function(){return t.getTopLevelGroup()?t.getTopLevelGroup().getDefaultBuggyMsg():
-null};this.getLinks=function(){z.ctatdebug("CTATExampleTracerGraph --\x3e in getLinks");return y};this.addLink=function(a,b){z.ctatdebug("CTATExampleTracerGraph --\x3e in addLink");y.push(a);a.isDone()?C.add(a):C["delete"](a);null===b||"undefined"===typeof b?t.addLinkToGroup(t.getTopLevelGroup(),a):t.addLinkToGroup(b,a);z.ctatdebug("CTATExampleTracerGraph --\x3e out of addLink")};this.addNode=function(a){z.ctatdebug("CTATExampleTracerGraph --\x3e in addNode");v.push(a);A[a.getNodeID()]=a;z.ctatdebug("CTATExampleTracerGraph --\x3e out of addNode")};
-this.findAllPaths=function(){ctatdebug("CTATExampleTracerGraph --\x3e in findAllPaths "+z.getStartNode().getNodeID());return z.findPathsFromNode(z.getStartNode())};this.pathToLinkIsSubset=function(a,b){var c=z.getNode(a.getPrevNode());z.ctatdebug("pathToLinkIsSubset("+a+") sourceNode "+c.getNodeID());if(0<a.getMinTraversals()&&"undefined"==typeof b[a.getUniqueID()])return!1;if(c==z.getStartNode())return!0;for(c=c.getInLinks().values();!(c=c.next()).done;)return z.pathToLinkIsSubset(c.value,b);return!1};
-this.observesOrderingConstraints=function(a,b,c,e){z.ctatdebug("CTATExampleTracerGraph --\x3e in observesOrderingConstraints");null!==e&&"undefined"!==typeof e&&(z.ctatdebug("CTATExampleTracerGraph --\x3e in observesOrderingConstraints initializing out of order false"),e.setOutOfOrder(!1));if(null===c||"undefined"===typeof c||0===c.size||null===b||"undefined"===typeof b)return z.ctatdebug("CTATExampleTracerGraph --\x3e returning first true observesOrderingConstraints"),!0;if(b.isDone()&&z.exitOnIncorrectDone())return z.ctatdebug("CTATExampleTracerGraph.observesOrderingConstraints --\x3e returning true for doneStep && exitOnIncorrectDone"),
-!0;if(!0===c.has(b)&&!0===g(a,b,c)&&!0===d(a,b,c))return z.ctatdebug("CTATExampleTracerGraph.observesOrderingConstraints --\x3e returning isOrderOK true && isisReenteringOK() true"),!0;null!==e&&"undefined"!==typeof e&&(z.ctatdebug("CTATExampleTracerGraph --\x3e in observesOrderingConstraints setting out of order true"),e.setOutOfOrder(!0));z.ctatdebug("CTATExampleTracerGraph --\x3e returning false observesOrderingConstraints");return!1};this.isIncorrectLinkOK=function(a,b,c,d){z.ctatdebug("CTATExampleTracerGraph --\x3e in isIncorrectLinkOK");
-var e=!1,f=null,h=!0,m=!1;z.getNode(b.getPrevNode()).getOutLinks().forEach(function(b){!0!==m&&!1!==h&&b.getType().toString()!==CTATExampleTracerLink.BUGGY_ACTION.toString()&&!0===c.has(b)&&(e=!0,!1===g(a,b,c)?h=!1:(f=b,m=!0))});if(!1===h||null===f||"undefined"===typeof f)return!1;if(!1===e)return z.ctatdebug("isIncorrectLinkOK(): no siblings of link in path"),!1;if(!0===e&&(b=z.getSmallestContainingGroup(b),!0===t.isLinkInGroup(b,f)&&!1===t.isGroupOrdered(b)&&!0===l(b,c,d)))return!1;z.ctatdebug("CTATExampleTracerGraph --\x3e out of isIncorrectLinkOK");
-return!0};this.getNode=function(a){z.ctatdebug("CTATExampleTracerGraph --\x3e in getNode("+a+") returning "+A[a]);return A[a]};this.findNode=function(a){if(a){a=a.toLowerCase();for(var b in A)if(A[b].getNodeName().toLowerCase()==a)return z.getNode(b);if("start"==a)return z.getStudentStartsHereNode()||z.getStartNode()}return null};this.findPathsFromNode=function(a){z.ctatdebug("CTATExampleTracerGraph --\x3e in findPathsFromNode outlinks "+a.getOutLinks().size);var b=new Set;if(!a||0===a.getOutLinks().size)return b.add(new CTATExampleTracerPath(null)),
-b;z.ctatdebug("CTATExampleTracerGraph --\x3e before forEach ");a.getOutLinks().forEach(function(a){z.ctatdebug("CTATExampleTracerGraph --\x3e in forEach "+a.getType().toString());if(a.getType().toString()!=CTATExampleTracerLink.BUGGY_ACTION.toString()){var c=z.findPathsFromNode(z.getNode(a.getNextNode()));z.ctatdebug("findPathsFromNode childPaths.size "+c.size);c.forEach(function(c){z.ctatdebug("findPathsFromNode childPath.size "+c.size+", outLink "+a);c.addLink(a);b.add(c)})}},a);0===b.size&&b.add(new CTATExampleTracerPath(null));
-z.ctatdebug("CTATExampleTracerGraph --\x3e out of findPathsFromNode "+b.size);return b};this.getDoneStates=function(){return x};this.checkForDoneState=function(a){if(a.isDone()&&a.isTraversable()){var b=z.getNode(a.getNextNode());z.ctatdebug("CTATExampleTracerGraph.addDoneState(linkID "+a.getUniqueID()+") adding destNode "+b);x.add(b)}};this.getBestSubpath=function(a,b,c){if(!a||!b)return null;var d=z.findPathsFromNode(a),e=new Set;d.forEach(function(a){a=a.subpath(b);!a||c&&!a.containsAll(c)||e.add(a)});
-z.ctatdebug("CTATExampleTracerGraph.getBestSubpath("+a+", "+b+", ["+(c?c.length:-1)+"]) pathsFrom "+d.size+", pathsFromTo "+e.size);return 1>e.size?null:CTATExampleTracerPath.getBestPath(e)};this.getStartNode=function(){z.ctatdebug("CTATExampleTracerGraph --\x3e in getStartNode() returning "+F);return F};this.getLinkByID=function(a){z.ctatdebug("CTATExampleTracerGraph --\x3e in getLinkByID");for(var b=0;b<y.length;b++)if(y[b].getUniqueID()===a)return y[b];z.ctatdebug("CTATExampleTracerGraph --\x3e out of getLinkByID");
-return null};this.setStartNode=function(a){z.ctatdebug("CTATExampleTracerGraph --\x3e in setStartNode("+a+")");F=a};this.getStudentStartsHereNode=function(){z.ctatdebug("CTATExampleTracerGraph --\x3e getStudentStartsHereNode() returns "+D);return D};this.setStudentStartsHereNode=function(a){z.ctatdebug("CTATExampleTracerGraph --\x3e in setStudentStartsHereNode("+a+")");D=a};this.getExampleTracer=function(){z.ctatdebug("CTATExampleTracerGraph --\x3e in getExampleTracer() returning "+B);return B};this.forDebugging=
-function(){z.ctatdebug("CTATExampleTracerGraph --\x3e in forDebugging");z.ctatdebug("Nodes in the graph -- ids");v.forEach(function(a){z.ctatdebug(a.getNodeID())});z.ctatdebug("Links in the graph -- ids, from, to");y.forEach(function(a){z.ctatdebug(a)})};this.getSmallestContainingGroup=function(a){return t.getLowestLevelGroupOfLink(a)};this.redoLinkDepths=function(){r();z.getLinks().forEach(function(a){a.setDepth(-1)});z.getLinks().forEach(function(a){-1===a.getDepth()&&n(a)})};this.getGroupModel=
-function(){return t};this.setVisualData=function(a){z.ctatdebug("CTATExampleTracerGraph --\x3e in setVisualData");E=a};this.getVisualData=function(){z.ctatdebug("CTATExampleTracerGraph --\x3e in getVisualData() returning "+E);return E};this.getDoneLinks=function(){return C};(function(a,b){z.ctatdebug("CTATExampleTracerGraph --\x3e in initGraph ("+a+" , "+b);y=[];v=[];A={};if(null===t||"undefined"===typeof t)t=new CTATDefaultGroupModel,z.ctatdebug("CTATExampleTracerGraph --\x3e created a group model from here");
-t.clear();t.setDefaultReenterable(!b);t.setGroupOrdered(t.getTopLevelGroup(),a);t.setGroupName(t.getTopLevelGroup(),CTATExampleTracerGraph.TOP_LEVEL);B=new CTATExampleTracerTracer(z,e);z.ctatdebug("CTATExampleTracerGraph --\x3e out of initGraph")})(!a,b)};Object.defineProperty(CTATExampleTracerGraph,"TOP_LEVEL",{enumerable:!1,configurable:!1,writable:!1,value:"Top Level"});CTATExampleTracerGraph.prototype=Object.create(CTATBase.prototype);CTATExampleTracerGraph.prototype.constructor=CTATExampleTracerGraph;
-"undefined"!==typeof module&&(module.exports=CTATExampleTracerGraph);var CTATGraphParser=function(){function a(a){ctatdebug("processEdge()");for(var d=new CTATExampleTracerLink(null,null,null),e=f.getElementChildren(a),h,l,m,p,r,u=a=-1,x=CTATMsgType.DEFAULT_ACTOR,C=!1,E=0;E<e.length;E++){"sourceID"===f.getElementName(e[E])&&(a=parseInt(f.getNodeTextValue(e[E])),d.setPrevNode(a));"destID"===f.getElementName(e[E])&&(u=parseInt(f.getNodeTextValue(e[E])),d.setNextNode(u));if("rule"===f.getElementName(e[E]))for(var t=f.getElementChildren(e[E]),G=0;G<t.length;G++)"text"===
-f.getElementName(t[G])&&d.addSkillName(f.getNodeTextValue(t[G]).toString());if("actionLabel"===f.getElementName(e[E]))for(d.setIsPreferredLink("false"!=f.getElementAttr(e[E],"preferPathMark")),d.setMinTraversalsStr(f.getElementAttr(e[E],"minTraversals")),d.setMaxTraversalsStr(f.getElementAttr(e[E],"maxTraversals")),t=f.getElementChildren(e[E]),G=0;G<t.length;G++){"uniqueID"===f.getElementName(t[G])&&(r=f.getNodeTextValue(t[G]),d.setUniqueID(parseInt(f.getNodeTextValue(t[G]))));"message"===f.getElementName(t[G])&&
-(p=new CTATMessage(t[G]));"actionType"===f.getElementName(t[G])&&d.setActionType(f.getNodeTextValue(t[G]));"buggyMessage"===f.getElementName(t[G])&&d.setBuggyMsg(f.getNodeTextValue(t[G]));"successMessage"===f.getElementName(t[G])&&d.setSuccessMsg(f.getNodeTextValue(t[G]));"hintMessage"===f.getElementName(t[G])&&d.addHint(f.getNodeTextValue(t[G]));if("matchers"===f.getElementName(t[G]))for(var z=f.getElementChildren(t[G]),J=0;J<z.length;J++)"Selection"===f.getElementName(z[J])&&(h=b(z[J],0)),"Action"===
-f.getElementName(z[J])&&(l=b(z[J],1)),"Input"===f.getElementName(z[J])&&(m=b(z[J],2)),"Actor"===f.getElementName(z[J])&&(x=f.getNodeTextValue(z[J]),C=(C=f.getElementAttr(z[J],"linkTriggered"))&&"false"!=C.toLowerCase().trim()?!0:!1);if("matcher"===f.getElementName(t[G])){m=t[G];l=p;h=f.getElementAttr(m,"replacementFormula");var H=f.getElementChildren(m),K=z=void 0,I,P=void 0,J=CTATMsgType.DEFAULT_ACTOR;m=new CTATExactMatcher(CTATMatcher.SELECTION,null);x=new CTATExactMatcher(CTATMatcher.ACTION,null);
-g.ctatdebug("processMatcher(): nChildren "+H.length+", saiMessage "+l);for(var N=0;N<H.length;N++)"matcherType"===f.getElementName(H[N])&&(I=f.getNodeTextValue(H[N]),"ExactMatcher"===I&&(K=CTATExactMatcher),"RegexMatcher"===I&&(K=CTATRegexMatcher),"AnyMatcher"===I&&(K=CTATAnyMatcher),"RangeMatcher"===I&&(K=CTATRangeMatcher),"WildcardMatcher"===I&&(K=CTATWildcardMatcher),"ExpressionMatcher"===I&&(K=CTATExpressionMatcher),g.ctatdebug("processMatcher(): child "+N+", eltText "+I+", matcher "+K)),"matcherParameter"===
-f.getElementName(H[N])&&(I=f.getElementAttr(H[N],"name"),P=f.getNodeTextValue(H[N]),"selection"==I&&m.setParameter(P),"action"==I&&x.setParameter(P),"input"==I&&(z=z?z:new K(CTATMatcher.INPUT,null),z.setParameter(P)),"actor"==I&&(J=P),"minimum"==I&&(z=z?z:new K(CTATMatcher.INPUT,null),z.setParameter(P,"minimum")),"maximum"==I&&(z=z?z:new K(CTATMatcher.INPUT,null),z.setParameter(P,"maximum")),"InputExpression"==I&&(z=z?z:new K(CTATMatcher.INPUT,null),z.setParameter(H[N],I,f)),"relation"==I&&(z=z?z:
-new K(CTATMatcher.INPUT,null),z.setParameter(H[N],I,f)),g.ctatdebug("processMatcher(): child "+N+", eltAttrName "+I+", inputMatcher "+z));z||(z=K?new K(CTATMatcher.INPUT,null):new CTATExactMatcher(CTATMatcher.INPUT,null),z.setParameter(P?P:""),"undefined"!=typeof l&&"function"==typeof l.getSAI&&(l=l.getSAI(),m.setSingle(l.getSelection()),x.setSingle(l.getAction()),z.setSingle(l.getInput())));z.setReplacementFormula(h);x=[[m],[x],[z],J];h=x[0];l=x[1];m=x[2];x=x[3]}}}c.getStartNode()&&u==c.getStartNode().getNodeID()&&
-console.log("***WARNING*** edge "+r+" destination is graph startNode "+c.getStartNode());r=new CTATVectorMatcher(h,l,m,x);r.setDefaultSAI(p.getSAI());r.setCaseInsensitive(q);r.setLinkTriggered(C);d.setMatcher(r);ctatdebug("GraphParser.processEdge() "+a+"->"+u+", edge "+d);c.getNode(a).addOutLink(d);c.checkForDoneState(d);return d}function b(a,b){g.ctatdebug("processMatchers()");for(var c=f.getElementChildren(a),d=[],e=0;e<c.length;e++)if("matcher"===f.getElementName(c[e])){for(var h=null,l=f.getElementAttr(c[e],
-"replacementFormula"),m=f.getElementChildren(c[e]),p=0;p<m.length;p++){if("matcherType"===f.getElementName(m[p]))switch(h=f.getNodeTextValue(m[p]),g.ctatdebug("CTATGraphParser.processMatchers() matcherType["+p+"] = "+h),h){case "ExactMatcher":h=new CTATExactMatcher(b,null);break;case "RegexMatcher":h=new CTATRegexMatcher(b,null);break;case "AnyMatcher":h=new CTATAnyMatcher(b,null);break;case "RangeMatcher":h=new CTATRangeMatcher(b,null);break;case "WildcardMatcher":h=new CTATWildcardMatcher(b,null);
-break;case "ExpressionMatcher":h=new CTATExpressionMatcher(b,null);break;default:console.log("CTATGraphParser.processMatchers() unknown matcherType["+p+"] = "+h+"; using CTATExactMatcher"),h=new CTATExactMatcher(b,null)}if("matcherParameter"===f.getElementName(m[p])){var r=f.getElementAttr(m[p],"name");"single"===r?h.setParameter(f.getNodeTextValue(m[p])):"minimum"===r?h.setParameter(f.getNodeTextValue(m[p]),"minimum"):"maximum"===r?h.setParameter(f.getNodeTextValue(m[p]),"maximum"):h.setParameter(m[p],
-r,f)}}h&&h.setReplacementFormula(l);d.push(h)}return d}function e(a,b){var c=new Set;if("group"!==f.getElementName(a))return c;var d=f.getElementAttr(a,"name");ctatdebug("readGroupFromXML group name: "+d);var g="true"===f.getElementAttr(a,"ordered"),h="true"===f.getElementAttr(a,"reenterable");ctatdebug("readGroupFromXML group isOrdered typeof: "+typeof g);ctatdebug("readGroupFromXML group isOrdered: "+g);for(var m=function(a){c.add(a)},p=f.getElementChildren(a),r=0;r<p.length;r++){if("link"===f.getElementName(p[r])){var q=
-Number(f.getElementAttr(p[r],"id")),u=b[q];if(null!==u||void 0!==u)ctatdebug("Added link ID : "+q),c.add(u)}"group"===f.getElementName(p[r])&&(ctatdebug("encountered a subgroup"),e(p[r],b).forEach(m))}l.addGroup(d,g,c);l.setGroupReenterable(l.getGroupByName(d),h);return c}CTATBase.call(this,"CTATGraphParser","__undefined__");var g=this,d,c,f=new CTATXML,h=null,m=[];new XMLSerializer;var l,q=!0,p=!0,u=[];this.getLockWidget=function(){return p};this.parseGraph=function(b,g){ctatdebug("parseBRD()");
-var n=0,r=f.getElementAttr(b,"startStateNodeName"),w="true"===f.getElementAttr(b,"unordered");q="false"!=String(f.getElementAttr(b,"caseInsensitive")).toLowerCase();p=f.getElementAttr(b,"lockWidget");var y=new CTATVariableTable;c=new CTATExampleTracerGraph(w,!1,y);var A=f.getElementChildren(b),y=f.getElementAttr(b,"suppressStudentFeedback");if(null===y||void 0===y)y=CTATMsgType.SHOW_ALL_FEEDBACK;c.setFeedbackPolicy(y);g.setFeedbackSuppressed(y);y=f.getElementAttr(b,"highlightRightSelection");g.setHighlightRightSelection("false"!=
-y);var F=f.getElementAttr(b,"confirmDone");"true"!==F&&"false"!==F&&(F=c.getFeedbackPolicy()===CTATMsgType.HIDE_ALL_FEEDBACK?"true":"false");g.setHintPolicy(f.getElementAttr(b,"hintPolicy"));g.setOutOfOrderMessage(f.getElementAttr(b,"outOfOrderMessage"));for(var D=null,x=0;x<A.length;x++)switch(f.getElementName(A[x])){case "startNodeMessages":m=f.getElementChildren(A[x]);break;case "node":n++;var C;C=A[x];ctatdebug("processNode("+C+")");var E=f.getElementChildren(C),t=-1;C="";for(var G=0;G<E.length;G++)switch(f.getElementName(E[G])){case "uniqueID":t=
-parseInt(f.getNodeTextValue(E[G]));break;case "text":C=f.getNodeTextValue(E[G])}E=new CTATExampleTracerNode(t,new Set);""!==C&&E.setNodeName(C);C=E;c.addNode(C);1==n&&(c.setStartNode(C),c.setStudentStartsHereNode(C));C.getNodeName()==r&&c.setStudentStartsHereNode(C);break;case "edge":c.addLink(a(A[x]));break;case "EdgesGroups":D=A[x];break;case "productionRule":var z=A[x];ctatdebug("processSkill()");for(var E=C="",G=t=null,z=f.getElementChildren(z),J=0;J<z.length;J++){var H=f.getElementName(z[J]);
-"ruleName"==H&&(C=f.getNodeTextValue(z[J]),ctatdebug("ruleName="+C));"productionSet"==H&&(E=f.getNodeTextValue(z[J]),ctatdebug("productionSet="+E));"label"==H&&(t=f.getNodeTextValue(z[J]),ctatdebug("label="+t));"description"==H&&(G=f.getNodeTextValue(z[J]),ctatdebug("description="+G))}C&&(z=new CTATExampleTracerSkill(E,C,CTATExampleTracerSkill.DEFAULT_P_GUESS,CTATExampleTracerSkill.DEFAULT_P_KNOWN,CTATExampleTracerSkill.DEFAULT_P_SLIP,CTATExampleTracerSkill.DEFAULT_P_LEARN,CTATExampleTracerSkill.DEFAULT_HISTORY),
-null!=t?z.setLabel(t):z.setLabel(C),null!=G?z.setDescription(G):z.setDescription(C+(E?" "+E:"")),u.push(z))}if(D){n=f.getElementAttr(D,"ordered");if(null===n||"undefined"==typeof isordered)n=!w;ctatdebug("parseGraph() value of isOrdered = "+n);ctatdebug("parseGraph() value of isUnordered = "+w);ctatdebug("parseGraph() typeof isOrdered: "+typeof n);ctatdebug("parseGraph()typeof isUnordered: "+typeof w);r=D;A=n;ctatdebug("processGroup()");l=c.getGroupModel();n=l.createIdToLinkMap();l.setGroupOrdered(l.getTopLevelGroup(),
-A);ctatdebug("processGroup() name of group: "+l.getGroupName(l.getTopLevelGroup()));ctatdebug("processGroup() group isOrdered?: "+l.isGroupOrdered(l.getTopLevelGroup()));ctatdebug("processGroup() order of group: isOrdered= "+A);ctatdebug("processGroup() order of group: isOrdered typeof= "+typeof A);r=f.getElementChildren(r);for(A=0;A<r.length;A++)switch(f.getElementName(r[A])){case "group":e(r[A],n);break;case "outOfOrderMessage":l.getTopLevelGroup().setDefaultBuggyMsg(f.getNodeTextValue(r[A]))}}n=
-g.getSkillBarVector(!1,!0);if(!n||1>n.length)ctatdebug("No existing skills. Add skills from BRD."),g.addGraphSkills(u),n=g.getSkillBarVector();h=(new CTATTutorMessageBuilder).createStateGraphMessage(q,w,p,g.isSourceFlash()?c.exitOnIncorrectDone():g.isFeedbackSuppressed(),y,F,n);c.redoLinkDepths();d=c.getExampleTracer();d.resetTracer();c.forDebugging();ctatdebug("Graph loaded.");return{gr:c,tracer:d,ssm:m,sgMsg:h}}};CTATGraphParser.prototype=Object.create(CTATBase.prototype);
-CTATGraphParser.prototype.constructor=CTATGraphParser;"undefined"!==typeof module&&(module.exports=CTATGraphParser);var CTATProblemStateStatus=function(){var a="empty";this.getStatus=function(){return a};this.setStatus=function(b){a=b}};Object.defineProperty(CTATProblemStateStatus,"empty",{enumerable:!1,configurable:!1,writable:!1,value:"empty"});Object.defineProperty(CTATProblemStateStatus,"incompleteStartState",{enumerable:!1,configurable:!1,writable:!1,value:"incompleteStartState"});Object.defineProperty(CTATProblemStateStatus,"startState",{enumerable:!1,configurable:!1,writable:!1,value:"startState"});
+return b}};CTATExampleTracerPath.prototype=Object.create(CTATBase.prototype);CTATExampleTracerPath.prototype.constructor=CTATExampleTracerPath;"undefined"!==typeof module&&(module.exports=CTATExampleTracerPath);var CTATLinkGroup=function(){CTATBase.call(this,"CTATLinkGroup","")};CTATLinkGroup.prototype=Object.create(CTATBase.prototype);CTATLinkGroup.prototype.constructor=CTATLinkGroup;"undefined"!==typeof module&&(module.exports=CTATLinkGroup);var CTATDefaultLinkGroup=function(a,g,f,d){CTATLinkGroup.call(this,"CTATDefaultLinkGroup",a);var c=a,b=g,e=f,h=new Set;null!==d&&"undefined"!==typeof d&&d.forEach(function(a){h.add(a)});var l=new Set,m=null,n=null,p=this;p.ctatdebug("CTATDefaultLinkGroup constructor group name: "+a);p.ctatdebug("CTATDefaultLinkGroup constructor group isOrdered: "+g);p.ctatdebug("CTATDefaultLinkGroup constructor group isReenterable: "+f);this.toXML=function(a,b){var c=a+'<group name="'+p.getName(),c=c+('" ordered="'+
+p.getIsOrdered()),c=c+('" reenterable="'+p.getIsReenterable()+'">\n');b.getUniqueLinks(p).forEach(function(b){c+=a+'    <link id="'+b.getUniqueID()+'"/>\n'});l.forEach(function(d){c+=d.toXML(a+"    ",b)});return c+=a+"</group>\n"};this.setOrdered=function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in setOrdered group name: "+c);p.ctatdebug("CTATDefaultLinkGroup --\x3e in setOrdered:: "+a);b=a};this.setName=function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in setName: "+a);c=a};this.containsLink=
+function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in containsLink: "+a.getUniqueID());return h.has(a)};this.removeLink=function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in removeLink: "+a.getUniqueID());return h["delete"](a)};this.getParent=function(){p.ctatdebug("CTATDefaultLinkGroup --\x3e in getParent");return m};this.addLink=function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in addLink: "+a.getUniqueID());h.add(a)};this.getIsOrdered=function(){p.ctatdebug("CTATDefaultLinkGroup --\x3e in getIsOrdered: "+
+b);return b};this.getIsReenterable=function(){p.ctatdebug("CTATDefaultLinkGroup --\x3e in getIsReenterable: "+e);return e};this.getSubgroups=function(){p.ctatdebug("CTATDefaultLinkGroup --\x3e in getSubgroups");return l};this.setSubgroups=function(a){l=a};this.getLinks=function(){p.ctatdebug("CTATDefaultLinkGroup --\x3e in getLinks");return h};this.setReenterable=function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in setReenterable: "+a);e=a};this.setParent=function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in setParent: "+
+a.getName());m=a};this.addSubgroup=function(a){p.ctatdebug("CTATDefaultLinkGroup --\x3e in addSubgroup groupName: "+a.getName());l.add(a)};this.getName=function(){return c};this.getDefaultBuggyMsg=function(){return n};this.setDefaultBuggyMsg=function(a){n=""==a?null:a};this.toString=function(){return"Group Name: "+this.getName()}};CTATDefaultLinkGroup.prototype=Object.create(CTATLinkGroup.prototype);CTATDefaultLinkGroup.prototype.constructor=CTATDefaultLinkGroup;
+"undefined"!==typeof module&&(module.exports=CTATDefaultLinkGroup);var InternalGroupIterator=function(a,g){CTATBase.call(this,"InternalGroupIterator",a);var f=this,d=g.length,c=[],b=0;a.getSubgroups().forEach(function(a){a&&c.push(a)});g.push(f);f.ctatdebug("InternalGroupIterator() constructor group "+a+", stack.length "+g.length+", sgList.length "+c.length);this.toString=function(){return"{"+a+" at "+d+" with "+c.length+" subgroups}"};this.next=function(){return b>=c.length?(g.pop(),f.ctatdebug("InternalGroupIterator at deepest next() returning "+a+" with stack.length "+
+g.length),{value:a,done:!1}):(new InternalGroupIterator(c[b++],g)).next()}};InternalGroupIterator.prototype=Object.create(CTATBase.prototype);InternalGroupIterator.prototype.constructor=InternalGroupIterator;var CTATGroupIterator=function(a){CTATBase.call(this,"CTATGroupIterator",a);this.ctatdebug("CTATGroupIterator("+a+") begin constructor");var g=null;this.next=function(){null===g&&(g=[],new InternalGroupIterator(a,g));return 0>=g.length?{value:null,done:!0}:g[g.length-1].next()}};
+CTATGroupIterator.prototype=Object.create(CTATBase.prototype);CTATGroupIterator.prototype.constructor=CTATGroupIterator;"undefined"!==typeof module&&(module.exports=CTATGroupIterator);var CTATGroupModel=function(){CTATBase.call(this,"CTATGroupModel","");var a=this;this.clear=function(){};this.setDefaultReenterable=function(a){};this.setGroupOrdered=function(a,f){};this.getTopLevelGroup=function(){};this.setGroupName=function(a,f){};this.addLinkToGroup=function(a,f){};this.isGroupOrdered=function(a){};this.isGroupReenterable=function(a){};this.isLinkInGroup=function(){};this.getGroupsContainingLink=function(a){};this.getGroupLinkCount=function(g){return a.getGroupLinks(g).size};
+this.getLowestLevelGroupOfLink=function(a){};this.getGroupSubgroups=function(a){};this.getUniqueLinks=function(a){};this.getGroupLinks=function(a){};this.removeLinkFromGroup=function(a,f){};this.getGroupParent=function(a){};this.addGroup=function(a,f,d){};this.setGroupReenterable=function(a,f){}};CTATGroupModel.prototype=Object.create(CTATBase.prototype);CTATGroupModel.prototype.constructor=CTATGroupModel;"undefined"!==typeof module&&(module.exports=CTATGroupModel);var CTATDefaultGroupModel=function(){function a(a,b,c){l.ctatdebug("CTATDefaultGroupModel --\x3e in internalRemoveLinkFromGroupRecursive");!0===a.containsLink(b)&&(l.getGroupSubgroups(a).forEach(function(a){l.removeLinkFromGroup(a,b)}),(a!==e||c)&&g(a,b))}function g(a,b){l.ctatdebug("CTATDefaultGroupModel --\x3e in internalRemoveLinkFromGroup");return a.removeLink(b)}function f(a,b){l.ctatdebug("CTATDefaultGroupModel --\x3e in getImmediateGroupOfLink");var c=null,d=!1,e=null;l.getGroupSubgroups(b).forEach(function(b){!0!==
+d&&!0===l.isLinkInGroup(b,a)&&(c=f(a,b),e=null!==c&&"undefined"!==typeof c?c:b,d=!0)});return!0===d?e:null}function d(a,b){l.ctatdebug("CTATDefaultGroupModel --\x3e in getNaturalContainingGroup");if(b.size===l.getGroupLinks(a).size)throw l.getGroupLinks(a).forEach(function(c){if(!1===b.has(c))throw new CTATExampleTracerException("Invalid link selection: Partial overlap with existing group: "+a);}),new CTATExampleTracerException("Group containing this set of links already exists: "+a);if(b.size>=l.getGroupLinks(a).size)throw new CTATExampleTracerException("Invalid link selection: Partial overlap with existing group: "+
+a);var c=!1,e=null;b.forEach(function(f){if(!0!==c){if(!1===l.isLinkInGroup(a,f))throw new CTATExampleTracerException("Invalid link selection: Partial overlap with existing group: "+a);l.getGroupSubgroups(a).forEach(function(g){!0!==c&&!0===l.isLinkInGroup(g,f)&&(l.getGroupLinkCount(g)>=b.size?(e=d(g,b),c=!0):l.getGroupLinks(g).forEach(function(c){if(!1===b.has(c))throw new CTATExampleTracerException("Invalid link selection: Partial overlap with existing group: "+a);}))})}});return!0===c?e:a}function c(a,
+c){l.ctatdebug("CTATDefaultGroupModel --\x3e in addSubgroupPreserveSanity parent: "+a.getName());l.ctatdebug("CTATDefaultGroupModel --\x3e in addSubgroupPreserveSanity child: "+c.getName());l.ctatdebug("CTATDefaultGroupModel --\x3e in addSubgroupPreserveSanity size: "+l.getGroupSubgroups(a).size);l.getGroupSubgroups(a).forEach(function(d){var e=l.getGroupLinks(d);if(0===e.size)l.getGroupSubgroups(a)["delete"](d),b(c,d);else{var f=null,g=!1;e.forEach(function(a){!1===g&&(f=a,g=!0)});!0===l.isLinkInGroup(c,
+f)&&(l.getGroupSubgroups(a)["delete"](d),b(c,d))}});b(a,c)}function b(a,b){l.ctatdebug("CTATDefaultGroupModel --\x3e in addSubgroup");a.addSubgroup(b);b.setParent(a)}CTATGroupModel.call(this);var e=null,h=!1,l=this;this.clear=function(){l.ctatdebug("CTATDefaultGroupModel --\x3e in clear");e=new CTATDefaultLinkGroup("defaultName",!0,h,null)};this.setDefaultReenterable=function(a){l.ctatdebug("CTATDefaultGroupModel --\x3e in setDefaultReenterable");h=a};this.setGroupOrdered=function(a,b){l.ctatdebug("CTATDefaultGroupModel --\x3e in setGroupOrdered");
+a.setOrdered(b)};this.getTopLevelGroup=function(){ctatdebug("CTATDefaultGroupModel --\x3e in getTopLevelGroup");return e};this.setGroupName=function(a,b){l.ctatdebug("CTATDefaultGroupModel --\x3e in setGroupName");a.setName(b)};this.addLinkToGroup=function(a,b){l.ctatdebug("CTATDefaultGroupModel --\x3e in addLinkToGroup");for(l.removeLinkFromGroup(e,b);null!==a&&"undefined"!==typeof a;a=l.getGroupParent(a)){var c=a,d=b;l.ctatdebug("CTATDefaultGroupModel --\x3e in internalAddLinkToGroup");c.addLink(d)}};
+this.isGroupOrdered=function(a){l.ctatdebug("CTATDefaultGroupModel --\x3e in isGroupOrdered group name: "+a.getName());l.ctatdebug("CTATDefaultGroupModel --\x3e in isGroupOrdered: "+a.getIsOrdered());return a.getIsOrdered()};this.isGroupReenterable=function(a){l.ctatdebug("CTATDefaultGroupModel --\x3e in isGroupReenterable");return a.getIsReenterable()};this.isLinkInGroup=function(a,b){l.ctatdebug("CTATDefaultGroupModel --\x3e in isLinkInGroup");return a.containsLink(b)};this.getGroupsContainingLink=
+function(a){l.ctatdebug("CTATDefaultGroupModel --\x3e in getGroupsContainingLink("+a+"): TopLevel "+e+", typeof(TopLevel) "+typeof e);var b=new Set,c=new CTATGroupIterator(e);l.ctatdebug("CTATDefaultGroupModel --\x3e in getGroupsContainingLink before loop: groupIter "+c+", typeof(groupIter) "+typeof c);for(var d=c.next();!d.done;d=c.next())d=d.value,!0===l.isLinkInGroup(d,a)&&b.add(d);l.ctatdebug("CTATDefaultGroupModel --\x3e in getGroupsContainingLink returning groups.size "+b.size);return b};this.getLowestLevelGroupOfLink=
+function(a){l.ctatdebug("CTATDefaultGroupModel --\x3e in getLowestLevelGroupOfLink");var b=f(a,e);return null!==b&&"undefined"!==typeof b?b:!0===l.isLinkInGroup(e,a)?e:null};this.getGroupSubgroups=function(a){l.ctatdebug("CTATDefaultGroupModel --\x3e in getGroupSubgroups");return null!==a&&"undefined"!==typeof a?a.getSubgroups():null};this.getUniqueLinks=function(a){l.ctatdebug("CTATDefaultGroupModel --\x3e in getUniqueLinks");var b=new Set;l.getGroupLinks(a).forEach(function(a){b.add(a)});l.getGroupSubgroups(a).forEach(function(a){l.getGroupLinks(a).forEach(function(a){b["delete"](a)})});
+return b};this.getGroupLinks=function(a){l.ctatdebug("CTATDefaultGroupModel --\x3e in getGroupLinks: "+a.getName());return a.getLinks()};this.removeLinkFromGroup=function(b,c){l.ctatdebug("CTATDefaultGroupModel --\x3e in removeLinkFromGroup");a(b,c,!1)};this.getGroupParent=function(a){l.ctatdebug("CTATDefaultGroupModel --\x3e in getGroupParent");return a.getParent()};this.addGroup=function(a,b,f){l.ctatdebug("CTATDefaultGroupModel --\x3e in addGroup");var g=null;try{g=d(e,f)}catch(q){return q.toString()}a=
+new CTATDefaultLinkGroup(a,b,h,f);l.ctatdebug("CTATDefaultGroupModel --\x3e in addGroup after creating new group");c(g,a);return""};this.setGroupReenterable=function(a,b){l.ctatdebug("CTATDefaultGroupModel --\x3e in setGroupReenterable");a.setReenterable(b)};this.createIdToLinkMap=function(){l.ctatdebug("CTATDefaultGroupModel --\x3e in createIdToLinkMap");var a={};l.getGroupLinks(e).forEach(function(b){a[b.getUniqueID()]=b});return a};this.getGroupByName=function(a){l.ctatdebug("CTATDefaultGroupModel --\x3e in getGroupByName TopLevel has: "+
+e.getSubgroups().size);for(var b=new CTATGroupIterator(e),c=b.next();!c.done;c=b.next())if(c=c.value,l.getGroupName(c).toString()===a.toString())return c;return null};this.getGroupName=function(a){return a.getName()};l.clear()};CTATDefaultGroupModel.prototype=Object.create(CTATGroupModel.prototype);CTATDefaultGroupModel.prototype.constructor=CTATDefaultGroupModel;"undefined"!==typeof module&&(module.exports=CTATDefaultGroupModel);var CTATMatcherComparator=function(){CTATBase.call(this,"CTATMatcherComparator","");CTATMatcherComparator.compare=function(a,g){ctatdebug("CTATMatcherComparator--\x3e in compare");var f=CTATMatcherComparator.compareBasedOnType(a,g);if(0!==f||!1===a instanceof CTATVectorMatcher&&!1===g instanceof CTATVectorMatcher)return f;f=CTATMatcherComparator.compareBasedOnType(a.getSingleMatcher("input"),g.getSingleMatcher("input"));if(0!==f)return f;f=CTATMatcherComparator.compareBasedOnType(a.getSingleMatcher("selection"),
+g.getSingleMatcher("selection"));return 0!==f?f:CTATMatcherComparator.compareBasedOnType(a.getSingleMatcher("action"),g.getSingleMatcher("action"))};CTATMatcherComparator.compareBasedOnType=function(a,g){ctatdebug("CTATMatcherComparator --\x3e in compareBasedOnType");for(var f in CTATMatcherComparator.matcherPrecedenceOrder)if(CTATMatcherComparator.matcherPrecedenceOrder.hasOwnProperty(f)&&a instanceof CTATMatcherComparator.matcherPrecedenceOrder[f])break;for(var d in CTATMatcherComparator.matcherPrecedenceOrder)if(CTATMatcherComparator.matcherPrecedenceOrder.hasOwnProperty(d)&&
+g instanceof CTATMatcherComparator.matcherPrecedenceOrder[d])break;return f<d?1:f>d?-1:0}};Object.defineProperty(CTATMatcherComparator,"matcherPrecedenceOrder",{enumerable:!1,configurable:!1,writable:!1,value:{0:CTATExactMatcher,1:CTATRangeMatcher,2:CTATExpressionMatcher,3:CTATWildcardMatcher,4:CTATRegexMatcher,5:CTATAnyMatcher}});CTATMatcherComparator.prototype=Object.create(CTATBase.prototype);CTATMatcherComparator.prototype.constructor=CTATMatcherComparator;
+"undefined"!==typeof module&&(module.exports=CTATMatcherComparator);new CTATMatcherComparator;var CTATExampleTracerLinkComparator=function(a,g){CTATBase.call(this,"CTATExampleTracerLinkComparator","");this.compare=function(f,d){ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare l1.getUniqueID(): "+f.getUniqueID());ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare l2.getUniqueID(): "+d.getUniqueID());var c=f.getType(),b=d.getType(),c=CTATExampleTracerLink.compareLinkTypes(c,b);if(0!==c)return ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare m: "+c),c;c=g.nonEmptyHints(f,
+a.getVariableTable());b=g.nonEmptyHints(d,a.getVariableTable());ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare h1, h2: "+c+", "+b);if(0<c&&0>=b)return-1;if(0>=c&&0<b)return 1;ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare l1.getDepth(), l2.getDepth(): "+f.getDepth()+", "+d.getDepth());if(f.getDepth()<d.getDepth())return-1;if(f.getDepth()>d.getDepth())return 1;c=a.getTraversalCount(f)-f.getMinTraversals();b=a.getTraversalCount(d)-d.getMinTraversals();ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare tc1, tc2: "+
+c+", "+b);if(0>c&&0<=b)return-1;if(0<=c&&0>b)return 1;ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare l1.getIsPreferredLink(): "+f.getIsPreferredLink());ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare l2.getIsPreferredLink(): "+d.getIsPreferredLink());if(f.getIsPreferredLink())return-1;if(d.getIsPreferredLink())return 1;if(0!==(c=CTATMatcherComparator.compare(f.getMatcher(),d.getMatcher())))return c;ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare l1.getUniqueID(): "+
+f.getUniqueID());ctatdebug("CTATExampleTracerLinkComparator --\x3e in compare l2.getUniqueID(): "+d.getUniqueID());return f.getUniqueID()<d.getUniqueID()?-1:1}};CTATExampleTracerLinkComparator.prototype=Object.create(CTATBase.prototype);CTATExampleTracerLinkComparator.prototype.constructor=CTATExampleTracerLinkComparator;"undefined"!==typeof module&&(module.exports=CTATExampleTracerLinkComparator);var CTATExampleTracerEvent=function(a,g,f){CTATBase.call(this,"CTATExampleTracerEvent",g?g.toString():"null");var d="",c=!1,b=CTATExampleTracerLink.NO_MODEL,e=!1,h=null,l=null,m="student",n=null,p=null,v="",q=null,u="",w=null,B=null,y=null,C=null,A=[],r=!1,D=null,z=null,F=this,H=null,J=[],x=[],G={};this.getMsgToRestore=function(){return H};this.setMsgToRestore=function(a){H=a};this.getActor=function(){return m};this.setActor=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e setActor("+a+")");
+m=a};this.getStudentSAI=function(){F.ctatdebug("CTATExampleTracerEvent.getStudentSAI() returning type "+typeof h+", value "+h);return h};this.setStudentSAI=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setStudentSAI("+a+")");null!==a&&"undefined"!==typeof a&&(h=a);F.ctatdebug("CTATExampleTracerEvent --\x3e out of setStudentSAI")};this.getPreloadedLinkMatches=function(){F.ctatdebug("CTATExampleTracerEvent --\x3e in getPreloadedLinkMatches");return w};this.setTutorSAI=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setTutorSAI");
+null!==a&&"undefined"!==typeof a&&(l=a);F.ctatdebug("CTATExampleTracerEvent --\x3e out of setTutorSAI")};this.setNumberOfInterpretations=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setNumberOfInterpretations( "+a+" )")};this.getTransactionID=function(){F.ctatdebug("CTATExampleTracerEvent --\x3e in getTransactionID() returning "+d);return d};this.setTransactionID=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setTransactionID( "+a+" )");d=a};this.setDoneStepFailed=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setDoneStepFailed( "+
+a+" )");c=a};this.setHintRequest=function(a){e=a};this.getHintRequest=function(){return e};this.setResult=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setResult( "+a+" )");b=a};this.isBuggyResult=function(){return b.toString()===CTATExampleTracerLink.BUGGY_ACTION||b.toString()===CTATExampleTracerLink.FIREABLE_BUGGY_ACTION};this.isSolverResult=function(){F.ctatdebug("CTATExampleTracerEvent --\x3e in isSolverResult");return!1};this.getResult=function(){F.ctatdebug("CTATExampleTracerEvent --\x3e in getResult() returning "+
+b);return b};this.setReportableLink=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setReportableLink("+a+")");n=a};this.setReportableInterpretation=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setReportableInterpretation("+a+")");p=a};this.setStepID=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setStepID("+a+")");v=a?a.toString():""};this.setReportableVariableTable=function(a){y=a.clone()};this.setSuccessOrBuggyMsg=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setSuccessOrBuggyMsg("+
+a+")");C=a};this.setReportableHints=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setReportableHints("+a+")");A=Array.isArray(a)&&0<a.length?a:[]};this.getWantReportableHints=function(){F.ctatdebug("CTATExampleTracerEvent --\x3e in getWantReportableHints() returning "+r);return r};this.setOutOfOrder=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setOutOfOrder("+a+")");q=a};this.isOutOfOrder=function(){F.ctatdebug("CTATExampleTracerEvent --\x3e in getOutOfOrder() returning "+
+q);return q};this.setTraceOutcome=function(a){u=a};this.getTraceOutcome=function(){return u};this.setEvaluatedInput=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setEvaluatedInput("+a+")");if(null===B||"undefined"===typeof B)B=[];B.push(a)};this.addPreloadedLinkMatch=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in addPreloadedLinkMatch("+a+")");if(null===w||"undefined"===typeof w)w=[];w.push(a)};this.setInterpolatedSAI=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setInterpolatedSAI("+
+a+")");a&&(D=a)};this.getInterpolatedSAI=function(){return D?D:F.getStudentSAI()};this.setInterpolatedHints=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setInterpolatedHints("+a+")");z&&(z.length=0);a&&(z=a.slice(0));F.ctatdebug("CTATExampleTracerEvent --\x3e out of setInterpolatedHints")};this.setWantReportableHints=function(a){F.ctatdebug("CTATExampleTracerEvent --\x3e in setWantReportableHints("+a+")");r=a};this.setAssociatedRules=function(a){J=a instanceof Array?a:a instanceof String?
+[a]:[]};this.setAssociatedSkills=function(a){x=a instanceof Array?a:a instanceof String?[a]:[]};this.setCustomFields=function(a){G=a instanceof Object?a:{}};this.getSuccessOrBuggyMsg=function(){F.ctatdebug("CTATExampleTracerEvent --\x3e in getSuccessOrBuggyMsg() returning "+C);return C};this.getReportableHints=function(){F.ctatdebug("CTATExampleTracerEvent --\x3e in getReportableHints() returning "+A);return A};this.getReportableLink=function(){F.ctatdebug("CTATExampleTracerEvent --\x3e in getReportableLink() returning "+
+n);return n};this.getReportableVariableTable=function(){F.ctatdebug("CTATExampleTracerEvent --\x3e in getReportableVariableTable() returning "+y);return y};this.getReportableInterpretation=function(){F.ctatdebug("CTATExampleTracerEvent --\x3e in getReportableInterpretation() returning "+p);return p};this.getStepID=function(){F.ctatdebug("CTATExampleTracerEvent --\x3e in getStepID() returning "+v);return v};this.getTutorSelection=function(){return null===l||"undefined"===typeof l?null:l.getSelectionArray()};
+this.getTutorAction=function(){return null===l||"undefined"===typeof l?null:l.getActionArray()};this.getTutorInput=function(){return null!==B&&"undefined"!==typeof B?F.getEvaluatedInputArray():null!==l&&"undefined"!==typeof l?l.getInputArray():null};this.getEvaluatedInputArray=function(){return B};this.toString=function(){var a;a="["+F.getResult();null!==F.getStudentSAI()&&"undefined"!==typeof F.getStudentSAI()&&(a+=", StudentSAI "+F.getStudentSAI());null!==F.getReportableLink()&&"undefined"!==typeof F.getReportableLink()&&
+(a+=", reportableLink "+F.getReportableLink());!0===F.isDoneStepFailed()&&(a+=", doneStepFailed");null!==F.getTutorSAI()&&"undefined"!==typeof F.getTutorSAI()&&(a+=", TutorSAI "+F.getTutorSAI());return a+"]"};this.isDoneStepFailed=function(){return c};this.getTutorSAI=function(){return l};this.getAssociatedRules=function(){return J};this.getAssociatedSkills=function(){return x};this.getCustomFields=function(){return G};this.setStudentSAI(g);this.setActor(f)};CTATExampleTracerEvent.prototype=Object.create(CTATBase.prototype);
+CTATExampleTracerEvent.prototype.constructor=CTATExampleTracerEvent;"undefined"!==typeof module&&(module.exports=CTATExampleTracerEvent);var CTATExampleTracerInterpretation=function(a){CTATBase.call(this,"CTATExampleTracerInterpretation","");var g=null,f=[],d={},c=new CTATVariableTable,b=new Set;a.forEach(function(a){b.add(a)});var e=CTATExampleTracerLink.CORRECT_ACTION,h=null,l=this;this.getVariableTable=function(){return c};this.setVariableTable=function(a){c=a};this.setLatestHints=function(a,b){l.ctatdebug("In evaluate after calling setInterpolatedHints");if(!Array.isArray(a)||1>a.length)a=b;!Array.isArray(a)||1>a.length||c.put("hints",
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+"{";f.forEach(function(b){a+=b.getUniqueID()+", "});a.substring(a.length-2,a.length).toString()===", ".toString()&&(a=a.substring(0,a.length-2));a+=" ("+(null===b||"undefined"===typeof b?-1:b.size)+" paths)";a+=" var tbl "+c;return a+="}"}};CTATExampleTracerInterpretation.prototype=Object.create(CTATBase.prototype);CTATExampleTracerInterpretation.prototype.constructor=CTATExampleTracerInterpretation;"undefined"!==typeof module&&(module.exports=CTATExampleTracerInterpretation);var CTATExampleTracerInterpretationComparator=function(){CTATBase.call(this,"CTATExampleTracerInterpretationComparator","");var a=this;this.compare=function(g,f){a.ctatdebug("CTATExampleTracerInterpretationComparator --\x3e in compare");var d=g.getType(),c=CTATExampleTracerLink.compareLinkTypes(d,f.getType());ctatdebug("CTATExampleTracerInterpretationComparator comparing i1Type: "+g.getType());ctatdebug("CTATExampleTracerInterpretationComparator comparing i2Type: "+f.getType());ctatdebug("CTATExampleTracerInterpretationComparator comparing link types result: "+
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+b.getUniqueID());x.ctatdebug("CTATExampleTracerTracer --\x3e in getHighestUntraversedLink in loop interp.isTraversed(link, countOptionalAsTraversed): "+a.isTraversed(b,d));x.ctatdebug("CTATExampleTracerTracer --\x3e in getHighestUntraversedLink in loop isNoOp(link): "+y(b));!0===a.isTraversed(b,d)||!0===y(b)?(x.ctatdebug("CTATExampleTracerTracer --\x3e in getHighestUntraversedLink in if condition"),f=!0):(!0===f&&(x.ctatdebug("CTATExampleTracerTracer --\x3e in getHighestUntraversedLink in second if condition"),
+z.getNode(b.getPrevNode()).getOutLinks().forEach(function(b){c&&1>x.nonEmptyHints(b,a.getVariableTable())||a.getTraversalCount(b)>=b.getMaxTraversals()||(x.ctatdebug("CTATExampleTracerTracer --\x3e in getHighestUntraversedLink pushing outlink: "+b.getUniqueID()),g.push(b))})),f=null===b||"undefined"===typeof b?!1:b.getMinTraversals()<=a.getTraversalCount(b))});g.sort(function(b,c){return(new CTATExampleTracerLinkComparator(a,x)).compare(b,c)});x.ctatdebug("CTATExampleTracerTracer --\x3e in getHighestUntraversedLink before sorting");
+var h=!1,l=null;g.forEach(function(c){!0!==h&&(x.ctatdebug("CTATExampleTracerTracer --\x3e in getHighestUntraversedLink after sorting in fro loop"),!0===m(c,a,b,!1,e)?(x.ctatdebug("CTATExampleTracerTracer --\x3e in getHighestUntraversedLink after sorting first if"),l=c,h=!0):a.getPaths().forEach(function(d){!0!==h&&(x.ctatdebug("CTATExampleTracerTracer --\x3e in getHighestUntraversedLink after sorting in inner loop"),b!==d&&(x.ctatdebug("CTATExampleTracerTracer --\x3e in getHighestUntraversedLink after sorting second if"),
+!0===m(c,a,d,!1,e)&&(x.ctatdebug("CTATExampleTracerTracer --\x3e in getHighestUntraversedLink after sorting third if"),l=c,h=!0)))}))});if(!0===h)return x.ctatdebug("CTATExampleTracerTracer --\x3e in getHighestUntraversedLink returning: "+l.getUniqueID()),l;x.ctatdebug("CTATExampleTracerTracer --\x3e out of getHighestUntraversedLink");return null}function y(a){return null===a||"undefined"===typeof a?!1:1>a.getMinTraversals()&&1>a.getMaxTraversals()}CTATBase.call(this,"CTATExampleTracerTracer",a);
+var C=!1,A=null,r=null,D=null,z=a,F=null;CTATExampleTracerTracer_count++;var H=null,J={},x=this;this.getModelInitialized=function(){return C};this.setModelInitialized=function(a){C=a};this.goToDone=function(a,b,c){return(a=a.getPathToDone(b))?c.traceLinks(a.getSortedLinks()):!1};this.getMatchedSelections=function(){return J};this.getLastResult=function(){x.ctatdebug("CTATExampleTracerTracer --\x3e in getResult");return F};this.resetTracer=function(){x.ctatdebug("CTATExampleTracerTracer --\x3e in resetTracer entering");
+null===A||"undefined"===typeof A?(x.ctatdebug("CTATExampleTracerTracer --\x3e in resetTracer making interpretations array"),A=[]):(x.ctatdebug("CTATExampleTracerTracer --\x3e in resetTracer clearing interpretations array"),A.length=0);var a=new CTATExampleTracerInterpretation(q());x.ctatdebug("CTATExampleTracerTracer tempInterp--\x3e in resetTracer tempInterp "+a);null!==g&&"undefined"!==typeof g&&(x.ctatdebug("CTATExampleTracerTracer --\x3e in resetTracer startStateVT if condition"),a.setVariableTable(g));
+A.push(a);H=a;if(null===r||"undefined"===typeof r)x.ctatdebug("CTATExampleTracerTracer --\x3e in resetTracer incorrectActionMatches if condition"),r={};else{x.ctatdebug("CTATExampleTracerTracer --\x3e in resetTracer else branch of incorrectActionMatches if condition");for(var b in r)r.hasOwnProperty(b)&&delete r[b]}J={};null===D||"undefined"===typeof D?(x.ctatdebug("CTATExampleTracerTracer --\x3e in resetTracer last if condition"),D=[]):(x.ctatdebug("CTATExampleTracerTracer --\x3e in resetTracer else branch of last if condition"),
+D.length=0);x.ctatdebug("CTATExampleTracerTracer --\x3e in resetTracer before iterating over all the links in the graphs");z.getLinks().forEach(function(a){a.getMatcher().resetMatcher()});x.ctatdebug("CTATExampleTracerTracer --\x3e out of resetTracer")};this.evaluate=function(a){x.ctatdebug("CTATExampleTracerTracer --\x3e in public evaluate(), calling private _evaluate; given event "+a);return e(a,!1,!0)};this.nonEmptyHints=function(a,b){x.ctatdebug("CTATExampleTracerTracer --\x3e in nonEmptyHints");
+if(null===a||"undefined"===typeof a)return 0;var c=a.interpolateHints(b);x.ctatdebug("CTATExampleTracerTracer --\x3e in nonEmptyHints: link.interpolateHints() "+a.interpolateHints().length);if(null===c||"undefined"===typeof c||1>c.length)return 0;for(var d=0,e=0;e<c.length;++e)0<String(c[e]).trim().length&&d++;x.ctatdebug("CTATExampleTracerTracer --\x3e returning from nonEmptyHints "+d);return d};this.traceForHint=function(a){x.ctatdebug("CTATExampleTracerTracer --\x3e in traceForHint");var b=e(a,
+!0,!1);x.ctatdebug("CTATExampleTracerTracer --\x3e in traceForHint return from evaluate "+b);x.ctatdebug("CTATExampleTracerTracer --\x3e in traceForHint result from evaluate "+a.getResult().toString());x.ctatdebug("CTATExampleTracerTracer --\x3e in traceForHint link   from evaluate "+a.getReportableLink());if(a.getResult().toString()===CTATExampleTracerLink.CORRECT_ACTION.toString())return b=a.getReportableLink(),a.setTutorSAI(new CTATSAI(a.getStudentSAI().getSelection(),b.getDefaultSAI().getAction(),
+b.getDefaultSAI().getInput())),a.setActor(CTATMsgType.DEFAULT_STUDENT_ACTOR),x.ctatdebug("CTATExampleTracerTracer --\x3e traceForHint returning hintLink "+b+", result "+a),b;x.ctatdebug("CTATExampleTracerTracer --\x3e out of traceForHint, returning null");return null};this.matchForHint=function(a){x.ctatdebug("CTATExampleTracerTracer --\x3e in matchForHint");var b;if((b=(b=a.getStudentSAI())?b.getSelectionArray():null)&&0<b.length&&(x.ctatdebug("CTATExampleTracerTracer --\x3e in matchForHint first if"),
+(b=x.traceForHint(a))&&0<a.getReportableHints().length))return x.ctatdebug("CTATExampleTracerTracer --\x3e matchForHint via traceForHint returning "+b+", result "+a),b;b=x.getBestNextLink(!0,a);x.ctatdebug("CTATExampleTracerTracer --\x3e matchForHint() traceForHint via getBestNextLink returning "+b);return b};this.getBestNextLink=function(a,b){x.ctatdebug("CTATExampleTracerTracer --\x3e in getBestNextLink");var c=[],d=w(a,c);if(null===d||"undefined"===typeof d)return x.ctatdebug("CTATExampleTracerTracer --\x3e in getBestNextLink returning null"),
+null;if(d.getType().toString()===CTATExampleTracerLink.BUGGY_ACTION.toString())return x.ctatdebug("CTATExampleTracerTracer --\x3e in getBestNextLink return null no correct suboptimal step"),null;x.ctatdebug("CTATExampleTracerTracer --\x3e in getBestNextLink else branch");x.ctatdebug("CTATExampleTracerTracer --\x3e in getBestNextLink got interp "+(null==c?"null":c[0]));if(b){var e=d.interpolateHints(c[0].getVariableTable());b.setInterpolatedHints(e);x.ctatdebug("CTATExampleTracerTracer --\x3e in getBestNextLink setInterpolatedHints");
+Array.isArray(e)&&0<e.length?b.setReportableHints(e):b.setReportableHints(d.getHints());x.ctatdebug("In evaluate --\x3e after setReportableHints");c&&c[0]&&c[0].setLatestHints(e,d.getHints());b.setReportableLink(d);b.setAssociatedSkills(d.getSkillNames());b.setReportableInterpretation(c[0]);b.setResult(d.getType());b.setTraceOutcome(d.getType());b.setStepID(d.getUniqueID());b.setTutorSAI(d.getDefaultSAI())}x.ctatdebug("CTATExampleTracerTracer --\x3e in getBestNextLink return etLink");return d};this.doHint=
+function(a,b){x.ctatdebug("CTATExampleTracerTracer --\x3e in doHint");var c=x.matchForHint(a);Array.isArray(b)&&(x.ctatdebug("CTATExampleTracerTracer --\x3e in doHint last if condition"),b.push(a));x.ctatdebug("CTATExampleTracerTracer --\x3e returning from doHint: "+c);return c};this.getBestInterpretation=function(){x.ctatdebug("CTATExampleTracerTracer --\x3e in getBestInterpretation");if(null===H||"undefined"===typeof H)x.ctatdebug("CTATExampleTracerTracer --\x3e in getBestInterpretation in if condition"),
+H=p(x.getInterpretationsInternal());x.ctatdebug("CTATExampleTracerTracer --\x3e out of getBestInterpretation "+(null===H||void 0===H));return H};this.getInterpretationsInternal=function(){x.ctatdebug("CTATExampleTracerTracer --\x3e in getInterpretationsInternal");return A};this.toString=function(){var a="TracerState\n";null===A?a+="(no interpretations)\n":A.forEach(function(b){a+=b.toString()+"\n"});return a};this.addInterfaceVariablesFromEvent=function(a){if(a){var b=a.getTutorSelection();a=a.getTutorInput();
+x.addInterfaceVariables(b,a)}};this.addInterfaceVariables=function(a,b){x.ctatdebug("CTATExampleTracerTracer.addInterfaceVariables("+a+", "+b+")");if(a&&b){var c=a.length;c>b.length&&(c=b.length);for(var d=0;d<c;d++)a[d]&&(g.put(a[d],CTATVariableTable.standardizeType(b[d])),g.put(CTATVariableTable.nameAsString(a[d]),CTATVariableTable.valueAsString(b[d])));x.ctatdebug("CTATExampleTracerTracer.addInterfaceVariables() startStateVT "+g);A&&A.forEach(function(d){if(d=d.getVariableTable()){for(var e=0;e<
+c;e++)a[e]&&(d.put(a[e],CTATVariableTable.standardizeType(b[e])),d.put(CTATVariableTable.nameAsString(a[e]),CTATVariableTable.valueAsString(b[e])));x.ctatdebug("CTATExampleTracerTracer.addInterfaceVariables() interp.vt "+d)}})}};this.findCurrentState=function(){x.ctatdebug("Entering findCurrentState");var a=x.getBestInterpretation();return a&&a.getLastMatchedLink()&&a.getLastMatchedLink().isDone()?a.getLastMatchedLink().getNextNode():(a=w(!1,[a]))?a.getPrevNode():z?z.getStartNode():null};this.saveLastReport=
+function(a){A&&a&&A.forEach(function(b){b.setLatestHints(a.getReportableHints()||[]);var c=a.getSuccessOrBuggyMsg()||"";a.getResult()==CTATExampleTracerLink.CORRECT_ACTION?(b.setLatestSuccessMessage(c),b.setLatestBuggyMessage("")):(b.setLatestSuccessMessage(""),b.setLatestBuggyMessage(c))})}};CTATExampleTracerTracer.prototype=Object.create(CTATBase.prototype);CTATExampleTracerTracer.prototype.constructor=CTATExampleTracerTracer;"undefined"!==typeof module&&(module.exports=CTATExampleTracerTracer);var CTATExampleTracerGraph=function(a,g,f){function d(a,c,d){E.ctatdebug("CTATExampleTracerGraph --\x3e in isOrderOK");if(E.relaxOrderConstraints()||c.isDone()&&E.exitOnIncorrectDone())return!0;for(var f=b(c),g=0;g<f.length;g++){var l=f[g];if(!0===I.isGroupOrdered(l))if(g!==f.length-1){if(!1===e(l,h(f[g+1],d),a,d))return!1}else if(!1===e(l,c,a,d))return!1}E.ctatdebug("CTATExampleTracerGraph --\x3e out of isOrderOK");return!0}function c(a,c,d){E.ctatdebug("CTATExampleTracerGraph --\x3e in isReenteringOK");
+if(E.relaxOrderConstraints()||c.isDone()&&E.exitOnIncorrectDone())return!0;c=b(c);for(var e=!0,f=0;f<c.length;f++)if(!0===e&&!1===I.isGroupReenterable(c[f]))for(var e=!1,g=0;g<a.length;g++)if(!0===I.isLinkInGroup(c[f],a[g]))e=!0;else{if(!0===e)return!1}else if(!1===e)break;if(0!==a.length){var h=b(a[a.length-1]);E.ctatdebug("CTATExampleTracerGraph --\x3e in isReentrableOK: exitedGroups null? "+(null===h));E.ctatdebug("CTATExampleTracerGraph --\x3e in isReentrableOK: exitedGroups undefined? "+("undefined"===
+typeof h));E.ctatdebug("CTATExampleTracerGraph --\x3e in isReentrableOK: exitedGroups last traversedLink "+a[a.length-1].getUniqueID());E.ctatdebug("CTATExampleTracerGraph --\x3e in isReentrableOK: exitedGroups length "+(h?h.length:null));c.forEach(function(a){a=h.indexOf(a);0<=a&&h.splice(a,1)});E.ctatdebug("CTATETGraph.isReentrableOK: exitedGroups.length after removing newLink's groups: "+h.length);for(k=h.length-1;0<=k;k--)I.isGroupReenterable(h[k])&&h.splice(k,1);E.ctatdebug("CTATETGraph --\x3e in isReentrableOK: exitedGroups after removing reenterables: "+
+h.length);E.ctatdebug("CTATETGraph --\x3e in isReentrableOK: traversedLinks: "+a+", path: "+d);var m=!0;h.forEach(function(b){!1!==m&&d.forEach(function(c){!1!==m&&l(a,c)<c.getMinTraversals()&&!0===I.isLinkInGroup(b,c)&&(m=!1)})});if(!1===m)return!1}E.ctatdebug("CTATExampleTracerGraph --\x3e out of isReenteringOK");return!0}function b(a){E.ctatdebug("in findGroupsOfLink(link "+a+"): typeof(groupModel) "+typeof I);a=I.getGroupsContainingLink(a);E.ctatdebug("in findGroupsOfLink groupsSet.size "+a.size);
+var b=[];a.forEach(function(a){E.ctatdebug("in findGroupsOfLink group element "+a.getName());b.push(a)});b.sort(function(a,b){return I.getGroupLinkCount(b)-I.getGroupLinkCount(a)});return b}function e(a,b,c,d){var e=-1,f=null,g=Number.MAX_VALUE,m=null;I.getGroupSubgroups(a).forEach(function(a){if(!1===I.isLinkInGroup(a,b)&&0!==I.getGroupLinkCount(a)){var l=h(a,d);null!==l&&"undefined"!==typeof l&&(l=l.getDepth(),l<b.getDepth()&&l>e&&(!1===n(a)||!0===p(a,c))&&(e=l,f=a),l>b.getDepth()&&l<g&&(!1===n(a)||
+!0===p(a,c))&&(g=l,m=a))}});I.getUniqueLinks(a).forEach(function(a){if(!0===d.has(a)){var h=a.getDepth();h<b.getDepth()&&h>e&&(0<a.getMinTraversals()||-1<c.indexOf(a))&&(e=h,f=a);h>b.getDepth()&&h<g&&(0<a.getMinTraversals()||-1<c.indexOf(a))&&(g=h,m=a)}});if(null!==f&&"undefined"!==typeof f)if(f instanceof CTATExampleTracerLink){if(l(c,f)<f.getMinTraversals())return!1}else if(f instanceof CTATLinkGroup&&!1===v(f,c,d))return!1;return null!==m&&"undefined"!==typeof m&&(m instanceof CTATExampleTracerLink&&
+-1<c.indexOf(m)||m instanceof CTATLinkGroup&&!0===p(m,c))?!1:!0}function h(a,b){var c=Number.MAX_VALUE,d=null;I.getGroupLinks(a).forEach(function(a){a.getDepth()<c&&!0===b.has(a)&&(c=a.getDepth(),d=a)});return d}function l(a,b){for(var c=0,d=0;d<a.length;d++)b===a[d]&&c++;E.ctatdebug("CTATETGraph.getTraversalCount("+b+"): "+c);return c}function m(a,b,c){var d=!1,e=!0,f=!1;(new CTATExampleTracerPath(b)).getSortedLinks().forEach(function(b){if(!1!==e&&!0!==f){if(!1===d)!0===I.isLinkInGroup(a,b)&&(d=
+!0);else if(!1===I.isLinkInGroup(a,b)){f=!0;return}c.getTraversalCount(b)<b.getMaxTraversals()&&(e=!1)}});return!1===e?!1:!0}function n(a){var b=!0;I.getGroupLinks(a).forEach(function(a){!1!==b&&0!==a.getMinTraversals()&&(b=!1)});return!1===b?!1:!0}function p(a,b){for(var c=0;c<b.length;c++)if(!0===I.isLinkInGroup(a,b[c]))return!0;return!1}function v(a,b,c){var d=!0;I.getGroupLinks(a).forEach(function(a){!1!==d&&!0===c.has(a)&&l(b,a)<a.getMinTraversals()&&(d=!1)});return!1===d?!1:!0}function q(){for(var a=
+0;a<C.length;a++)C[a].clearInLinks();var b=E.getStartNode();null!==b&&"undefined"!==typeof b&&null!==b.getOutLinks()&&"undefined"!==typeof b.getOutLinks()&&(a=0,b.getOutLinks().forEach(function(b){u(b,a++)}))}function u(a,b){ctatdebug("updateInLinkSubGraph("+a+", "+b+")");var c=E.getNode(a.getNextNode());if(null!==c&&"undefined"!==typeof c){c.addInLink(a);var d=0;c.getOutLinks().forEach(function(a){u(a,d++)})}}function w(a){var b=E.getNode(a.getPrevNode());if(null!==b&&"undefined"!==typeof b){var c=
+-1;b.getInLinks().forEach(function(a){-1===a.getDepth()&&w(a);a.getDepth()>c&&(c=a.getDepth())});a.setDepth(c+1)}}function B(a){var b=E.getGroupModel(),c=b.getTopLevelGroup(),d="",e=c.getSubgroups(),d=a+'<EdgesGroups ordered="'+c.getIsOrdered()+'">\n';e.forEach(function(c){d+=c.toXML(a+"    ",b)});return d+=a+"</EdgesGroups>\n"}CTATBase.call(this,"CTATExampleTracerGraph","visualdata");var y=null,C=null,A=null,r=null,D=null,z=null,F="",H=[],J=new Set,x=new Set,G=null,I=null,R=!0,O=!0,L=CTATMsgType.SHOW_ALL_FEEDBACK,
+E=this;this.getAllNodes=function(){var a=[],b;for(b in r)a.push(r[b]);return a};this.getFeedbackPolicy=function(){return L};this.setFeedbackPolicy=function(a){E.ctatdebug("Graph.setFeedbackPolicy("+a+") old policy "+L);L="false"===a?CTATMsgType.SHOW_ALL_FEEDBACK:"true"===a?CTATMsgType.HIDE_ALL_FEEDBACK:a};this.hideButRequireSteps=function(){return L==CTATMsgType.HIDE_BUT_COMPLETE};this.hideAllFeedback=function(){return L==CTATMsgType.HIDE_ALL_FEEDBACK};this.relaxOrderConstraints=function(){return E.hideAllFeedback()||
+E.hideButRequireSteps()||L==CTATMsgType.DELAY_FEEDBACK};this.exitOnIncorrectDone=function(){switch(L){case CTATMsgType.HIDE_ALL_FEEDBACK:case CTATMsgType.HIDE_BUT_ENFORCE:return!0;default:return!1}};this.getDefaultBuggyMsg=function(){return I.getTopLevelGroup()?I.getTopLevelGroup().getDefaultBuggyMsg():null};this.getLinks=function(){E.ctatdebug("CTATExampleTracerGraph --\x3e in getLinks");return A};this.addLink=function(a,b){E.ctatdebug("CTATExampleTracerGraph --\x3e in addLink");A.push(a);a.isDone()?
+x.add(a):x["delete"](a);null===b||"undefined"===typeof b?I.addLinkToGroup(I.getTopLevelGroup(),a):I.addLinkToGroup(b,a);E.ctatdebug("CTATExampleTracerGraph --\x3e out of addLink")};this.addNode=function(a){E.ctatdebug("CTATExampleTracerGraph --\x3e in addNode");C.push(a);r[a.getNodeID()]=a;E.ctatdebug("CTATExampleTracerGraph --\x3e out of addNode")};this.findAllPaths=function(){ctatdebug("CTATExampleTracerGraph --\x3e in findAllPaths "+E.getStartNode().getNodeID());return E.findPathsFromNode(E.getStartNode())};
+this.pathToLinkIsSubset=function(a,b){var c=E.getNode(a.getPrevNode());E.ctatdebug("pathToLinkIsSubset("+a+") sourceNode "+c.getNodeID());if(0<a.getMinTraversals()&&"undefined"==typeof b[a.getUniqueID()])return!1;if(c==E.getStartNode())return!0;for(c=c.getInLinks().values();!(c=c.next()).done;)return E.pathToLinkIsSubset(c.value,b);return!1};this.observesOrderingConstraints=function(a,b,e,f){E.ctatdebug("CTATExampleTracerGraph --\x3e in observesOrderingConstraints");null!==f&&"undefined"!==typeof f&&
+(E.ctatdebug("CTATExampleTracerGraph --\x3e in observesOrderingConstraints initializing out of order false"),f.setOutOfOrder(!1));if(null===e||"undefined"===typeof e||0===e.size||null===b||"undefined"===typeof b)return E.ctatdebug("CTATExampleTracerGraph --\x3e returning first true observesOrderingConstraints"),!0;if(b.isDone()&&E.exitOnIncorrectDone())return E.ctatdebug("CTATExampleTracerGraph.observesOrderingConstraints --\x3e returning true for doneStep && exitOnIncorrectDone"),!0;if(!0===e.has(b)&&
+!0===d(a,b,e)&&!0===c(a,b,e))return E.ctatdebug("CTATExampleTracerGraph.observesOrderingConstraints --\x3e returning isOrderOK true && isisReenteringOK() true"),!0;null!==f&&"undefined"!==typeof f&&(E.ctatdebug("CTATExampleTracerGraph --\x3e in observesOrderingConstraints setting out of order true"),f.setOutOfOrder(!0));E.ctatdebug("CTATExampleTracerGraph --\x3e returning false observesOrderingConstraints");return!1};this.isIncorrectLinkOK=function(a,b,c,e){E.ctatdebug("CTATExampleTracerGraph --\x3e in isIncorrectLinkOK");
+var f=!1,g=null,h=!0,l=!1;E.getNode(b.getPrevNode()).getOutLinks().forEach(function(b){!0!==l&&!1!==h&&b.getType().toString()!==CTATExampleTracerLink.BUGGY_ACTION.toString()&&!0===c.has(b)&&(f=!0,!1===d(a,b,c)?h=!1:(g=b,l=!0))});if(!1===h||null===g||"undefined"===typeof g)return!1;if(!1===f)return E.ctatdebug("isIncorrectLinkOK(): no siblings of link in path"),!1;if(!0===f&&(b=E.getSmallestContainingGroup(b),!0===I.isLinkInGroup(b,g)&&!1===I.isGroupOrdered(b)&&!0===m(b,c,e)))return!1;E.ctatdebug("CTATExampleTracerGraph --\x3e out of isIncorrectLinkOK");
+return!0};this.toXML=function(a){var b=this.getLinks(),c=E.getGroupModel().getTopLevelGroup().getIsOrdered(),d;d='<?xml version="1.0" standalone="yes"?>\n<stateGraph firstCheckAllStates="true" caseInsensitive="'+E.getCaseInsensitive();d=d+('" unordered="'+!c)+('" lockWidget="'+E.getLockWidget());d+='" hintPolicy="'+E.getHintPolicy();d=d+'" version="4.0'+('" suppressStudentFeedback="'+E.isFeedbackSuppressed());d+='" highlightRightSelection="'+E.isHighlightRightSelection();d+='" confirmDone="'+a.getConfirmDone();
+d+='" startStateNodeName="'+E.getStudentStartStateNodeName();d+='" tutorType="Example-tracing Tutor">\n';for(var c=this.getStartStateMsgs(),e="    <startNodeMessages>\n",f=0;f<c.length;f++)e+="        "+c[f].outerHTML+"\n";d+=e+"    </startNodeMessages>\n";for(c=0;c<C.length;c++)d+=C[c].toXML("    ")+"\n";for(c=0;c<b.length;c++)d+=b[c].toXML("    ")+"\n";b=d;a=a.getGraphSkills();d="";for(c=0;c<a.length;c++)d+="    <productionRule>\n",d+="        <ruleName>"+CTATExampleTracerSkill.getName(a[c].getSkillName())+
+"</ruleName>\n",d+="        <productionSet>"+a[c].getCategory()+"</productionSet>\n",d+="        <label>"+a[c].getLabel()+"</label>\n",d+="        <description>"+a[c].getDescription()+"</description>\n",d+="    </productionRule>\n";d=b+d+B("    ");return d+="</stateGraph>\n"};this.addGroup=function(a,b,c){};this.getCaseInsensitive=function(){return O};this.setCaseInsensitive=function(a){O=a};this.getLockWidget=function(){return R};this.setLockWidget=function(a){R=a};this.getHintPolicy=function(){return hintPolicy};
+this.setHintPolicy=function(a){hintPolicy=CTATHintPolicyEnum.lookup(a)};this.isFeedbackSuppressed=function(){return feedbackSuppressed};this.setFeedbackSuppressed=function(a){feedbackSuppressed="false"===a?!1:"true"===a?!0:a===CTATMsgType.SHOW_ALL_FEEDBACK?!1:a===CTATMsgType.HIDE_ALL_FEEDBACK?!0:a===CTATMsgType.HIDE_BUT_ENFORCE?!0:a===CTATMsgType.HIDE_BUT_COMPLETE?!0:!1;E.ctatdebug("setFeedbackSuppressed("+a+"): "+feedbackSuppressed);problemSummary&&problemSummary.setCountOnlyLastResults(feedbackSuppressed)};
+this.isHighlightRightSelection=function(){return highlightRightSelection};this.setHighlightRightSelection=function(a){highlightRightSelection=a};this.getStartStateMsgs=function(){return H};this.setStartStateMsgs=function(a){H=a};this.getNode=function(a){E.ctatdebug("CTATExampleTracerGraph --\x3e in getNode("+a+") returning "+r[a]);return r[a]};this.findNode=function(a){if(a){a=a.toLowerCase();for(var b in r)if(r[b].getNodeName().toLowerCase()==a)return E.getNode(b);if("start"==a)return E.getStudentStartsHereNode()||
+E.getStartNode()}return null};this.findPathsFromNode=function(a){E.ctatdebug("CTATExampleTracerGraph --\x3e in findPathsFromNode outlinks "+a.getOutLinks().size);var b=new Set;if(!a||0===a.getOutLinks().size)return b.add(new CTATExampleTracerPath(null)),b;E.ctatdebug("CTATExampleTracerGraph --\x3e before forEach ");a.getOutLinks().forEach(function(a){E.ctatdebug("CTATExampleTracerGraph --\x3e in forEach "+a.getType().toString());if(a.getType().toString()!=CTATExampleTracerLink.BUGGY_ACTION.toString()){var c=
+E.findPathsFromNode(E.getNode(a.getNextNode()));E.ctatdebug("findPathsFromNode childPaths.size "+c.size);c.forEach(function(c){E.ctatdebug("findPathsFromNode childPath.size "+c.size+", outLink "+a);c.addLink(a);b.add(c)})}},a);0===b.size&&b.add(new CTATExampleTracerPath(null));E.ctatdebug("CTATExampleTracerGraph --\x3e out of findPathsFromNode "+b.size);return b};this.getDoneStates=function(){return J};this.checkForDoneState=function(a){if(a.isDone()&&a.isTraversable()){var b=E.getNode(a.getNextNode());
+E.ctatdebug("CTATExampleTracerGraph.addDoneState(linkID "+a.getUniqueID()+") adding destNode "+b);J.add(b)}};this.getBestSubpath=function(a,b,c){if(!a||!b)return null;var d=E.findPathsFromNode(a),e=new Set;d.forEach(function(a){a=a.subpath(b);!a||c&&!a.containsAll(c)||e.add(a)});E.ctatdebug("CTATExampleTracerGraph.getBestSubpath("+a+", "+b+", ["+(c?c.length:-1)+"]) pathsFrom "+d.size+", pathsFromTo "+e.size);return 1>e.size?null:CTATExampleTracerPath.getBestPath(e)};this.getStartNode=function(){E.ctatdebug("CTATExampleTracerGraph --\x3e in getStartNode() returning "+
+D);return D};this.getLinkByID=function(a){E.ctatdebug("CTATExampleTracerGraph --\x3e in getLinkByID");for(var b=0;b<A.length;b++)if(A[b].getUniqueID()===a)return A[b];E.ctatdebug("CTATExampleTracerGraph --\x3e out of getLinkByID");return null};this.setStartNode=function(a){E.ctatdebug("CTATExampleTracerGraph --\x3e in setStartNode("+a+")");D=a};this.getStudentStartsHereNode=function(){return null!=z?z:getStartNode()};this.setStudentStartsHereNode=function(a){E.ctatdebug("CTATExampleTracerGraph --\x3e in setStudentStartsHereNode("+
+a+")");z=a};this.setStudentStartStateNodeName=function(a){F=a};this.getStudentStartStateNodeName=function(){return F};this.getExampleTracer=function(){E.ctatdebug("CTATExampleTracerGraph --\x3e in getExampleTracer() returning "+y);return y};this.forDebugging=function(){E.ctatdebug("CTATExampleTracerGraph --\x3e in forDebugging");E.ctatdebug("Nodes in the graph -- ids");C.forEach(function(a){E.ctatdebug(a.getNodeID())});E.ctatdebug("Links in the graph -- ids, from, to");A.forEach(function(a){E.ctatdebug(a)})};
+this.getSmallestContainingGroup=function(a){return I.getLowestLevelGroupOfLink(a)};this.redoLinkDepths=function(){q();E.getLinks().forEach(function(a){a.setDepth(-1)});E.getLinks().forEach(function(a){-1===a.getDepth()&&w(a)})};this.getGroupModel=function(){return I};this.setVisualData=function(a){E.ctatdebug("CTATExampleTracerGraph --\x3e in setVisualData");G=a};this.getVisualData=function(){E.ctatdebug("CTATExampleTracerGraph --\x3e in getVisualData() returning "+G);return G};this.getDoneLinks=
+function(){return x};(function(a,b){E.ctatdebug("CTATExampleTracerGraph --\x3e in initGraph ("+a+" , "+b);A=[];C=[];r={};if(null===I||"undefined"===typeof I)I=new CTATDefaultGroupModel,E.ctatdebug("CTATExampleTracerGraph --\x3e created a group model from here");I.clear();I.setDefaultReenterable(!b);I.setGroupOrdered(I.getTopLevelGroup(),a);I.setGroupName(I.getTopLevelGroup(),CTATExampleTracerGraph.TOP_LEVEL);y=new CTATExampleTracerTracer(E,f);E.ctatdebug("CTATExampleTracerGraph --\x3e out of initGraph")})(!a,
+g)};Object.defineProperty(CTATExampleTracerGraph,"TOP_LEVEL",{enumerable:!1,configurable:!1,writable:!1,value:"Top Level"});Object.defineProperty(CTATExampleTracerGraph,"STUDENT_BEGINS_HERE_VAR",{enumerable:!1,configurable:!1,writable:!1,value:"%(startStateNodeName)%"});Object.defineProperty(CTATExampleTracerGraph,"IS_ORDERED",{enumerable:!1,configurable:!1,writable:!1,value:"ordered"});CTATExampleTracerGraph.prototype=Object.create(CTATBase.prototype);
+CTATExampleTracerGraph.prototype.constructor=CTATExampleTracerGraph;"undefined"!==typeof module&&(module.exports=CTATExampleTracerGraph);var CTATGraphParser=function(){function a(a){ctatdebug("processEdge()");for(var c=new CTATExampleTracerLink(null,null,null),f=e.getElementChildren(a),h,l,m,p,r,q=a=-1,v=CTATMsgType.DEFAULT_ACTOR,F=!1,H=0;H<f.length;H++){"sourceID"===e.getElementName(f[H])&&(a=parseInt(e.getNodeTextValue(f[H])),c.setPrevNode(a));"destID"===e.getElementName(f[H])&&(q=parseInt(e.getNodeTextValue(f[H])),c.setNextNode(q));if("rule"===e.getElementName(f[H]))for(var J=e.getElementChildren(f[H]),x=0;x<J.length;x++)"text"===
+e.getElementName(J[x])&&c.addSkillName(e.getNodeTextValue(J[x]).toString());if("actionLabel"===e.getElementName(f[H]))for(c.setIsPreferredLink("false"!=e.getElementAttr(f[H],"preferPathMark")),c.setMinTraversalsStr(e.getElementAttr(f[H],"minTraversals")),c.setMaxTraversalsStr(e.getElementAttr(f[H],"maxTraversals")),J=e.getElementChildren(f[H]),x=0;x<J.length;x++){"uniqueID"===e.getElementName(J[x])&&(r=e.getNodeTextValue(J[x]),c.setUniqueID(parseInt(e.getNodeTextValue(J[x]))));"message"===e.getElementName(J[x])&&
+(p=new CTATMessage(J[x]),c.setDemoMsgObj(p));"actionType"===e.getElementName(J[x])&&c.setActionType(e.getNodeTextValue(J[x]));"buggyMessage"===e.getElementName(J[x])&&c.setBuggyMsg(e.getNodeTextValue(J[x]));"successMessage"===e.getElementName(J[x])&&c.setSuccessMsg(e.getNodeTextValue(J[x]));"hintMessage"===e.getElementName(J[x])&&c.addHint(e.getNodeTextValue(J[x]));if("matchers"===e.getElementName(J[x]))for(var G=e.getElementChildren(J[x]),I=0;I<G.length;I++)"Selection"===e.getElementName(G[I])&&
+(h=g(G[I],0)),"Action"===e.getElementName(G[I])&&(l=g(G[I],1)),"Input"===e.getElementName(G[I])&&(m=g(G[I],2)),"Actor"===e.getElementName(G[I])&&(v=e.getNodeTextValue(G[I]),F=(F=e.getElementAttr(G[I],"linkTriggered"))&&"false"!=F.toLowerCase().trim()?!0:!1);if("matcher"===e.getElementName(J[x])){m=J[x];l=p;h=e.getElementAttr(m,"replacementFormula");var R=e.getElementChildren(m),O=G=void 0,L,E=void 0,I=CTATMsgType.DEFAULT_ACTOR;m=new CTATExactMatcher(CTATMatcher.SELECTION,null);v=new CTATExactMatcher(CTATMatcher.ACTION,
+null);d.ctatdebug("processMatcher(): nChildren "+R.length+", saiMessage "+l);for(var M=0;M<R.length;M++)"matcherType"===e.getElementName(R[M])&&(L=e.getNodeTextValue(R[M]),"ExactMatcher"===L&&(O=CTATExactMatcher),"RegexMatcher"===L&&(O=CTATRegexMatcher),"AnyMatcher"===L&&(O=CTATAnyMatcher),"RangeMatcher"===L&&(O=CTATRangeMatcher),"WildcardMatcher"===L&&(O=CTATWildcardMatcher),"ExpressionMatcher"===L&&(O=CTATExpressionMatcher),d.ctatdebug("processMatcher(): child "+M+", eltText "+L+", matcher "+O)),
+"matcherParameter"===e.getElementName(R[M])&&(L=e.getElementAttr(R[M],"name"),E=e.getNodeTextValue(R[M]),"selection"==L&&m.setParameter(E),"action"==L&&v.setParameter(E),"input"==L&&(G=G?G:new O(CTATMatcher.INPUT,null),G.setParameter(E)),"actor"==L&&(I=E),"minimum"==L&&(G=G?G:new O(CTATMatcher.INPUT,null),G.setParameter(E,"minimum")),"maximum"==L&&(G=G?G:new O(CTATMatcher.INPUT,null),G.setParameter(E,"maximum")),"InputExpression"==L&&(G=G?G:new O(CTATMatcher.INPUT,null),G.setParameter(R[M],L,e)),
+"relation"==L&&(G=G?G:new O(CTATMatcher.INPUT,null),G.setParameter(R[M],L,e)),d.ctatdebug("processMatcher(): child "+M+", eltAttrName "+L+", inputMatcher "+G));G||(G=O?new O(CTATMatcher.INPUT,null):new CTATExactMatcher(CTATMatcher.INPUT,null),G.setParameter(E?E:""),"undefined"!=typeof l&&"function"==typeof l.getSAI&&(l=l.getSAI(),m.setSingle(l.getSelection()),v.setSingle(l.getAction()),G.setSingle(l.getInput())));G.setReplacementFormula(h);v=[[m],[v],[G],I];h=v[0];l=v[1];m=v[2];v=v[3]}}}b.getStartNode()&&
+q==b.getStartNode().getNodeID()&&console.log("***WARNING*** edge "+r+" destination is graph startNode "+b.getStartNode());r=new CTATVectorMatcher(h,l,m,v);r.setDefaultSAI(p.getSAI());r.setCaseInsensitive(n);r.setLinkTriggered(F);c.setMatcher(r);ctatdebug("GraphParser.processEdge() "+a+"->"+q+", edge "+c);b.getNode(a).addOutLink(c);b.checkForDoneState(c);return c}function g(a,b){d.ctatdebug("processMatchers()");for(var c=e.getElementChildren(a),f=[],g=0;g<c.length;g++)if("matcher"===e.getElementName(c[g])){for(var h=
+null,l=e.getElementAttr(c[g],"replacementFormula"),m=e.getElementChildren(c[g]),n=0;n<m.length;n++){if("matcherType"===e.getElementName(m[n]))switch(h=e.getNodeTextValue(m[n]),d.ctatdebug("CTATGraphParser.processMatchers() matcherType["+n+"] = "+h),h){case "ExactMatcher":h=new CTATExactMatcher(b,null);break;case "RegexMatcher":h=new CTATRegexMatcher(b,null);break;case "AnyMatcher":h=new CTATAnyMatcher(b,null);break;case "RangeMatcher":h=new CTATRangeMatcher(b,null);break;case "WildcardMatcher":h=
+new CTATWildcardMatcher(b,null);break;case "ExpressionMatcher":h=new CTATExpressionMatcher(b,null);break;default:console.log("CTATGraphParser.processMatchers() unknown matcherType["+n+"] = "+h+"; using CTATExactMatcher"),h=new CTATExactMatcher(b,null)}if("matcherParameter"===e.getElementName(m[n])){var p=e.getElementAttr(m[n],"name");"single"===p?h.setParameter(e.getNodeTextValue(m[n])):"minimum"===p?h.setParameter(e.getNodeTextValue(m[n]),"minimum"):"maximum"===p?h.setParameter(e.getNodeTextValue(m[n]),
+"maximum"):h.setParameter(m[n],p,e)}}h&&h.setReplacementFormula(l);f.push(h)}return f}function f(a,b){var c=new Set;if("group"!==e.getElementName(a))return c;var d=e.getElementAttr(a,"name");ctatdebug("readGroupFromXML group name: "+d);var g="true"===e.getElementAttr(a,"ordered"),h="true"===e.getElementAttr(a,"reenterable");ctatdebug("readGroupFromXML group isOrdered typeof: "+typeof g);ctatdebug("readGroupFromXML group isOrdered: "+g);for(var l=function(a){c.add(a)},n=e.getElementChildren(a),p=0;p<
+n.length;p++){if("link"===e.getElementName(n[p])){var q=Number(e.getElementAttr(n[p],"id")),v=b[q];if(null!==v||void 0!==v)ctatdebug("Added link ID : "+q),c.add(v)}"group"===e.getElementName(n[p])&&(ctatdebug("encountered a subgroup"),f(n[p],b).forEach(l))}m.addGroup(d,g,c);m.setGroupReenterable(m.getGroupByName(d),h);return c}CTATBase.call(this,"CTATGraphParser","__undefined__");var d=this,c,b,e=new CTATXML,h=null,l=[];new XMLSerializer;var m,n=!0,p=!0,v=[];this.getLockWidget=function(){return p};
+this.setLockWidget=function(a){p=a};this.parseGraph=function(d,g){ctatdebug("parseBRD()");var q=0,u="true"===e.getElementAttr(d,"unordered");n="false"!=String(e.getElementAttr(d,"caseInsensitive")).toLowerCase();p=e.getElementAttr(d,"lockWidget");hintPolicy=e.getElementAttr(d,"hintPolicy");feedbackSuppressed=e.getElementAttr(d,"suppressStudentFeedback");var y=new CTATVariableTable;b=new CTATExampleTracerGraph(u,!1,y);b.setCaseInsensitive(n);b.setStudentStartStateNodeName(e.getElementAttr(d,"startStateNodeName"));
+var C=e.getElementChildren(d),y=e.getElementAttr(d,"suppressStudentFeedback");if(null===y||void 0===y)y=CTATMsgType.SHOW_ALL_FEEDBACK;b.setFeedbackPolicy(y);g.setFeedbackSuppressed(y);y=e.getElementAttr(d,"highlightRightSelection");g.setHighlightRightSelection("false"!=y);var A=e.getElementAttr(d,"confirmDone");g.setConfirmDone("true"===A?!0:"false"===A?!1:b.getFeedbackPolicy()===CTATMsgType.HIDE_ALL_FEEDBACK);g.setHintPolicy(e.getElementAttr(d,"hintPolicy"));g.setOutOfOrderMessage(e.getElementAttr(d,
+"outOfOrderMessage"));for(var A=null,r=0;r<C.length;r++)switch(e.getElementName(C[r])){case "startNodeMessages":l=e.getElementChildren(C[r]);b.setStartStateMsgs(l);break;case "node":q++;var D;D=C[r];ctatdebug("processNode("+D+")");var z=e.getElementChildren(D),F=-1;D="";for(var H=[],J=0;J<z.length;J++)switch(e.getElementName(z[J])){case "uniqueID":F=parseInt(e.getNodeTextValue(z[J]));break;case "text":D=e.getNodeTextValue(z[J]);break;case "dimension":for(var x=e.getElementChildren(z[J]),G=0;G<x.length;G++)ctatdebug("grandkids "+
+G+", "+x[G]+", "+e.getNodeTextValue(x[G])+", "+parseInt(e.getNodeTextValue(x[G]))),H[G]=parseInt(e.getNodeTextValue(x[G]));ctatdebug("grandkids d "+H)}z=new CTATExampleTracerNode(F,new Set);""!==D&&z.setNodeName(D);2<=H.length&&z.setDimension({x:H[0],y:H[1]});D=z;b.addNode(D);1==q&&(b.setStartNode(D),b.setStudentStartsHereNode(D));D.getNodeName()==b.getStudentStartStateNodeName()&&b.setStudentStartsHereNode(D);break;case "edge":b.addLink(a(C[r]));break;case "EdgesGroups":A=C[r];break;case "productionRule":J=
+C[r];ctatdebug("processSkill()");H=D="";F=z=null;J=e.getElementChildren(J);for(x=0;x<J.length;x++)G=e.getElementName(J[x]),"ruleName"==G&&(D=e.getNodeTextValue(J[x]),ctatdebug("ruleName="+D)),"productionSet"==G&&(H=e.getNodeTextValue(J[x]),ctatdebug("productionSet="+H)),"label"==G&&(z=e.getNodeTextValue(J[x]),ctatdebug("label="+z)),"description"==G&&(F=e.getNodeTextValue(J[x]),ctatdebug("description="+F));D&&(J=new CTATExampleTracerSkill(H,D,CTATExampleTracerSkill.DEFAULT_P_GUESS,CTATExampleTracerSkill.DEFAULT_P_KNOWN,
+CTATExampleTracerSkill.DEFAULT_P_SLIP,CTATExampleTracerSkill.DEFAULT_P_LEARN,CTATExampleTracerSkill.DEFAULT_HISTORY),null!=z?J.setLabel(z):J.setLabel(D),null!=F?J.setDescription(F):J.setDescription(D+(H?" "+H:"")),v.push(J))}if(A){q=e.getElementAttr(A,"ordered");if(null===q||"undefined"==typeof isordered)q=!u;ctatdebug("parseGraph() value of isOrdered = "+q);ctatdebug("parseGraph() value of isUnordered = "+u);ctatdebug("parseGraph() typeof isOrdered: "+typeof q);ctatdebug("parseGraph()typeof isUnordered: "+
+typeof u);C=A;A=q;ctatdebug("processGroup()");m=b.getGroupModel();q=m.createIdToLinkMap();m.setGroupOrdered(m.getTopLevelGroup(),A);ctatdebug("processGroup() name of group: "+m.getGroupName(m.getTopLevelGroup()));ctatdebug("processGroup() group isOrdered?: "+m.isGroupOrdered(m.getTopLevelGroup()));ctatdebug("processGroup() order of group: isOrdered= "+A);ctatdebug("processGroup() order of group: isOrdered typeof= "+typeof A);C=e.getElementChildren(C);for(A=0;A<C.length;A++)switch(e.getElementName(C[A])){case "group":f(C[A],
+q);break;case "outOfOrderMessage":m.getTopLevelGroup().setDefaultBuggyMsg(e.getNodeTextValue(C[A]))}b.addGroup(void 0)}q=g.getSkillBarVector(!1,!0);if(!q||1>q.length)ctatdebug("No existing skills. Add skills from BRD."),g.addGraphSkills(v),q=g.getSkillBarVector();h=(new CTATTutorMessageBuilder).createStateGraphMessage(n,u,p,g.isSourceFlash()?b.exitOnIncorrectDone():g.isFeedbackSuppressed(),y,String(g.getConfirmDone()),q);b.redoLinkDepths();c=b.getExampleTracer();c.resetTracer();b.forDebugging();ctatdebug("Graph loaded.");
+return{gr:b,tracer:c,ssm:l,sgMsg:h}}};CTATGraphParser.prototype=Object.create(CTATBase.prototype);CTATGraphParser.prototype.constructor=CTATGraphParser;"undefined"!==typeof module&&(module.exports=CTATGraphParser);var CTATProblemStateStatus=function(){var a="empty";this.getStatus=function(){return a};this.setStatus=function(g){a=g}};Object.defineProperty(CTATProblemStateStatus,"empty",{enumerable:!1,configurable:!1,writable:!1,value:"empty"});Object.defineProperty(CTATProblemStateStatus,"incompleteStartState",{enumerable:!1,configurable:!1,writable:!1,value:"incompleteStartState"});Object.defineProperty(CTATProblemStateStatus,"startState",{enumerable:!1,configurable:!1,writable:!1,value:"startState"});
 Object.defineProperty(CTATProblemStateStatus,"incomplete",{enumerable:!1,configurable:!1,writable:!1,value:"incomplete"});Object.defineProperty(CTATProblemStateStatus,"goingToState",{enumerable:!1,configurable:!1,writable:!1,value:"goingToState"});Object.defineProperty(CTATProblemStateStatus,"normalFeedback",{enumerable:!1,configurable:!1,writable:!1,value:"normalFeedback"});Object.defineProperty(CTATProblemStateStatus,"complete",{enumerable:!1,configurable:!1,writable:!1,value:"complete"});
 Object.defineProperty(CTATProblemStateStatus,"completedEarlier",{enumerable:!1,configurable:!1,writable:!1,value:"completedEarlier"});CTATProblemStateStatus.prototype=Object.create(CTATBase.prototype);CTATProblemStateStatus.prototype.constructor=CTATProblemStateStatus;CTATProblemStateStatus.prototype.isSendingSavedMsgsForRestore=function(){switch(this.getStatus()){case CTATProblemStateStatus.normalFeedback:case CTATProblemStateStatus.complete:return!0;default:return!1}};
-CTATProblemStateStatus.prototype.mustSaveForRestore=function(){switch(this.getStatus()){case CTATProblemStateStatus.incomplete:case CTATProblemStateStatus.incompleteStartState:case CTATProblemStateStatus.goingToState:case CTATProblemStateStatus.completedEarlier:return!1;default:return!0}};CTATProblemStateStatus.prototype.isOutputSuppressed=function(){switch(this.getStatus()){case CTATProblemStateStatus.goingToState:return!0;default:return!1}};
+CTATProblemStateStatus.prototype.mustSaveForRestore=function(){switch(this.getStatus()){case CTATProblemStateStatus.incomplete:case CTATProblemStateStatus.incompleteStartState:case CTATProblemStateStatus.goingToState:case CTATProblemStateStatus.completedEarlier:return!1;default:return!0}};
+CTATProblemStateStatus.prototype.countForProblemSummary=function(){switch(this.getStatus()){case CTATProblemStateStatus.incompleteStartState:case CTATProblemStateStatus.goingToState:case CTATProblemStateStatus.startState:case CTATProblemStateStatus.completedEarlier:return!1;default:return!0}};CTATProblemStateStatus.prototype.isOutputSuppressed=function(){switch(this.getStatus()){case CTATProblemStateStatus.goingToState:return!0;default:return!1}};
 CTATProblemStateStatus.prototype.isComplete=function(){switch(this.getStatus()){case CTATProblemStateStatus.complete:case CTATProblemStateStatus.completedEarlier:return!0;default:return!1}};CTATProblemStateStatus.prototype.canRestore=function(){switch(this.getStatus()){case CTATProblemStateStatus.incompleteStartState:case CTATProblemStateStatus.incomplete:case CTATProblemStateStatus.complete:case CTATProblemStateStatus.completedEarlier:return!0;default:return!1}};
 CTATProblemStateStatus.prototype.mustRetrieveProblemState=function(){switch(this.getStatus()){case CTATProblemStateStatus.incompleteStartState:case CTATProblemStateStatus.incomplete:case CTATProblemStateStatus.complete:case CTATProblemStateStatus.completedEarlier:return!0;default:return!1}};
-CTATProblemStateStatus.prototype.transition=function(a,b){var e=this.getStatus();if(CTATProblemStateStatus.completedEarlier!=e)if(CTATProblemStateStatus.complete==e&&b==CTATProblemStateStatus.completedEarlier)this.setStatus(CTATProblemStateStatus.completedEarlier);else{switch(a){case CTATMsgType.SET_PREFERENCES:CTATProblemStateStatus[b]&&(CTATProblemStateStatus.incomplete==CTATProblemStateStatus[b]?this.setStatus(CTATProblemStateStatus.incompleteStartState):CTATProblemStateStatus.complete==CTATProblemStateStatus[b]?
+CTATProblemStateStatus.prototype.transition=function(a,g){var f=this.getStatus();if(CTATProblemStateStatus.completedEarlier!=f)if(CTATProblemStateStatus.complete==f&&g==CTATProblemStateStatus.completedEarlier)this.setStatus(CTATProblemStateStatus.completedEarlier);else{switch(a){case CTATMsgType.SET_PREFERENCES:CTATProblemStateStatus[g]&&(CTATProblemStateStatus.incomplete==CTATProblemStateStatus[g]?this.setStatus(CTATProblemStateStatus.incompleteStartState):CTATProblemStateStatus.complete==CTATProblemStateStatus[g]?
 this.setStatus(CTATProblemStateStatus.completedEarlier):this.setStatus(CTATProblemStateStatus.startState));break;case CTATMsgType.STATE_GRAPH:this.getStatus()==CTATProblemStateStatus.incomplete||this.getStatus()==CTATProblemStateStatus.incompleteStartState?this.setStatus(CTATProblemStateStatus.incompleteStartState):this.setStatus(CTATProblemStateStatus.startState);break;case CTATMsgType.START_STATE_END:this.getStatus()==CTATProblemStateStatus.incompleteStartState?this.setStatus(CTATProblemStateStatus.incomplete):
-this.setStatus(CTATProblemStateStatus.normalFeedback);break;case CTATMsgType.PROBLEM_RESTORE_END:case CTATMsgType.END_GO_TO_STATE:this.setStatus(CTATProblemStateStatus.normalFeedback);break;case CTATMsgType.BEGIN_GO_TO_STATE:this.setStatus(CTATProblemStateStatus.startState);break;case CTATMsgType.BEGIN_RESTORE:this.getStatus()!=CTATProblemStateStatus.incompleteStartState&&this.setStatus(CTATProblemStateStatus.incomplete)}ctatdebug("CTATProblemStateStatus.transition("+a+", "+b+") old "+e+" => new "+
-this.getStatus());return this.getStatus()}};CTATProblemStateStatus.prototype.toString=function(){return"{"+this.getStatus()+"}"};var CTATMessageTank=function(a,b){function e(a){p.ctatdebug("entering updateProblemSummary()");a&&f.forEach(function(b){if(b.msgType==CTATMsgType.ASSOCIATED_RULES){var d=b.evt;p.ctatdebug("entering updateProblemSummaryWithEvent("+d+")");if(d)if(c&&c.getOutputStatus().isComplete())a.setCompletionStatus(CTATMsgType.CompletionValue[1],!1),a.setShowCounts(!1);else{b=d.getResult();d.getHintRequest()&&(b=CTATExampleTracerLink.HINT_ACTION);var e=CTATMsgType.CompletionValue[0],f=b&&b==CTATExampleTracerLink.CORRECT_ACTION,
-g=!1,h=null,l=null,m=d.getStudentSAI();m&&(h=m.getSelection())&&(l=m.getAction())&&(g="done"==String(h).toLowerCase()&&"buttonpressed"==String(l).toLowerCase());a.setCompletionStatus(e,CTATGlobals.confirmDone);p.ctatdebug("updateProblemSummary() Completion status "+e+", doneStep "+g+", correct "+f);g&&(e=f?CTATMsgType.CompletionValue[1]:CTATMsgType.CompletionValue[0],a.setCompletionStatus(e,!0));e==CTATMsgType.CompletionValue[1]?(a.stopTimer(),c&&c.setOutputStatus(CTATProblemStateStatus.complete)):
-a.restartTimer();e=d.getActor();p.ctatdebug("updateProblemSummmary() actor "+e+", indicatorObj "+b);CTATMatcher.isTutorActor(e)||(d=d.getStepID(),CTATTutorMessageBuilder.isHint(b)?a.addHint(d):CTATTutorMessageBuilder.isCorrect(b)?null!==b&&"undefined"!==typeof b&&a.addCorrect(d):a.addError(d))}}})}function g(a){switch(p.suppressFeedback(a,c.getFeedbackPolicy())){case CTATMsgType.SHOW_ALL_FEEDBACK:return!1;case CTATMsgType.DELAY_FEEDBACK:a=a.msg;var b=CTATMsgType.getProperty(a,"Selection");p.ctatdebug("CTATMessageTank.addToDelayedFeedbackTank(\n  "+
-a+") selection "+b);b&&(c.getDelayedFeedback()[b.toLowerCase()]=a);return!0;case CTATMsgType.HIDE_ALL_FEEDBACK:return!0;case CTATMsgType.HIDE_BUT_COMPLETE:return!0;case CTATMsgType.HIDE_BUT_ENFORCE:return!0;default:return!1}}function d(a,b){for(var c=new CTATMessageTank(a,null),d=0;d<b.length;++d){var e=b[d];p.ctatdebug("sendNewTankful() mto["+d+"] msgType "+e.msgType);c.addToMessageTank(e.msgType,e.msg,e.evt,null)}c.flushMessageTank(null,!0)}CTATBase.call(this,"CTATMessageTank",b);var c=a,f=null,
-h=null,m=null,l=new Set;l.add("SuccessMessage");l.add("BuggyMessage");l.add("HighlightMsg");l.add("NotDoneMessage");var q=b,p=this;this.toString=function(){p.ctatdebug("toString tank "+f);if(!f||1>f.length)return"MessageTank empty";var a="";f.forEach(function(b){a+=b.msgType+", "});return"MessageTank["+a.substr(0,a.length-2)+"]"};this.setTransaction_id=function(a){q=a};this.enqueueToolActionToStudent=function(a,b,d,e){p.ctatdebug("Entering enqueueToolActionToStudent("+a+", "+b+", "+d+", "+e+")");
-var f=CTATMsgType.INTERFACE_ACTION;p.ctatdebug("entering enqueueMessageToStudent()");var g=CTATMessage.makeTransactionId();a=new CTATSAI(a,b,d);b=(new CTATTutoringServiceMessageBuilder).createInterfaceActionMessage(g,a);b=CTATMsgType.setProperty(b,CTATTutorMessageBuilder.TRIGGER,"DATA");b=CTATMsgType.setProperty(b,CTATTutorMessageBuilder.SUBTYPE,null===e||"undefined"===typeof e||1>e.length?CTATTutorMessageBuilder.TUTOR_PERFORMED:e);e=new CTATExampleTracerEvent(c,a,CTATMsgType.DEFAULT_TOOL_ACTOR);
-e.setTransactionID(g);p.addToMessageTank(f,b,e,a);return g};this.addToMessageTank=function(a,b,c,d){p.ctatdebug("Entering addToMessageTank("+a+", "+b+", "+c+")");if(b){f||(f=[],h={},m={});var e={};e.msgType=a;e.msg=b;e.evt=c;e.sai=d;f.push(e);h[a]=h[a]?h[a]+1:1;a=c.getResult();c.getHintRequest()&&(a=CTATExampleTracerLink.HINT_ACTION);m[a]=m[a]?m[a]+1:1;p.ctatdebug("Exiting addToMessageTank() this "+p.toString())}};this.flushMessageTank=function(a,b){p.ctatdebug("Entering flushMessageTank("+a+", "+
-b+")");if(f&&!(1>f.length)){e(a);p.ctatdebug("flushMessageTank() after updateProblemSummary; messageTank.length "+f.length+", transaction_id "+q);for(var l=[],n=[],r=0;r<f.length;++r){var u=f[r];if(u.msg){var y=u.msgType,A=u.evt;p.ctatdebug("entering processInterfaceVariables() msgType "+y+", evt "+A);y&&(p.ctatdebug("entering processInterfaceVariables() et "+c+", tracer "+(c?c.getTracer():null)),y=y.toLowerCase(),0!==y.indexOf("correct")&&0!==y.indexOf("interfaceaction")||c.getTracer().addInterfaceVariablesFromEvent(A));
-if(!(y=g(u)))if(y=u,A=n,CTATConfiguration.usingFlash()){var F=void 0,D=void 0;if(!(y&&y.sai&&(F=y.sai.getAction())&&(D=CTATSAI.delayedActionRegExp.exec(F)))||3>D.length||1>=D[2])y=!1;else{var x=A.length-1,x=0>x?null:A[x];y.msg=y.msg.replace(F,D[1]);x&&x.timeout==D[2]?x.msgTuples.push(y):A.push({timeout:Number(D[2]),msgTuples:[y]});y=!0}}else y=!1;y||l.push(u.msg)}}p.ctatdebug("flushMessageTank(): msgBundle.length "+l.length+", delayedMsgsBundle.length "+n.length);for(r=0;r<n.length;++r)u=n[r],p.ctatdebug("processDelayedMsgs() delayedMsgs.timeout "+
-u.timeout+", .msgTuples.length "+u.msgTuples.length),setTimeout(d,u.timeout,c,u.msgTuples);0<l.length&&(p.ctatdebug("Bottom of flushMessageTank(); to send bundle of length "+l.length+" via "+c),c.sendBundle(l)&&(p.ctatdebug("CTATMessageTank.shouldSaveNow() resultTypes "+m+", msgTypes "+h),(m[CTATExampleTracerLink.CORRECT_ACTION]||m[CTATExampleTracerLink.FIREABLE_BUGGY_ACTION]||h.CorrectAction||h.InterfaceAction||h.UntutoredAction||c.isFeedbackSuppressed()&&h.AssociatedRules)&&c.isSendingSavedMsgsForRestore()&&
-(CTATGlobalFunctions.isInstructorMode()?p.ctatdebug("We're in reviewer mode: we shouldn't save as we go"):c.getProblemStateSaver().saveAsYouGo(a))),p.ctatdebug("Exiting flushMessageTank() #CorrectAction "+h.CorrectAction+", #InterfaceAction "+h.InterfaceAction+", #UntutoredAction "+h.UntutoredAction));h=f=q=null}};this.flushDelayedFeedback=function(){p.ctatdebug("Entering flushDelayedFeedback()");var a=c.getDelayedFeedback(),b;for(b in a)a.hasOwnProperty(b)&&CTAT.ToolTutor.sendToInterface(a[b]);c.clearDelayedFeedback()};
-this.suppressFeedback=function(a,b){p.ctatdebug("CTATMessageTank.suppressFeedback("+a.msgType+", "+b+")");var c;b==CTATMsgType.SHOW_ALL_FEEDBACK?(p.ctatdebug("if.1"),c=b):CTATMsgType.hasTextFeedback(a.msgType)?(p.ctatdebug("if.2"),b==CTATMsgType.HIDE_ALL_FEEDBACK||b==CTATMsgType.HIDE_BUT_ENFORCE?(p.ctatdebug("if.2.1"),c=b):(p.ctatdebug("if.2.2"),(c=CTATMsgType.getProperty(a.msg,CTATMsgType.BUGGY_MSG))&&-1!=c.toLowerCase().indexOf(CTATMsgType.NOT_DONE_MSG.toLowerCase())?(p.ctatdebug("if.2.2.1"),c=
-CTATMsgType.SHOW_ALL_FEEDBACK):(p.ctatdebug("if.2.2.2"),c=CTATMsgType.HIDE_ALL_FEEDBACK))):CTATMsgType.isCorrectOrIncorrect(a.msgType)?(p.ctatdebug("if.3: "+a.msg),CTATMsgType.isDoneMessage(a.msg)?(p.ctatdebug("if.3.1"),c=CTATMsgType.SHOW_ALL_FEEDBACK):(p.ctatdebug("if.3.2"),c=b)):(p.ctatdebug("if.4"),c=CTATMsgType.SHOW_ALL_FEEDBACK);p.ctatdebug("CTATMessageTank.suppressFeedback() returning "+c);return c}};
-Object.defineProperty(CTATMessageTank,"END_OF_TRANSACTION",{enumerable:!1,configurable:!1,writable:!1,value:"end_of_transaction"});CTATMessageTank.prototype=Object.create(CTATBase.prototype);CTATMessageTank.prototype.constructor=CTATMessageTank;"undefined"!==typeof module&&(module.exports=CTATMessageTank);var CTATStep=function(a,b){CTATBase.call(this,"CTATStep",a);var e=0,g=null,d=0,c=0;this.ctatdebug("entering CTATStep("+a+", "+b+") constructor");this.incrementFirstHints=function(){e++};this.incrementNCorrect=function(){d++};this.incrementErrors=function(){c++};this.setLastResult=function(a){g=a};this.getLastResult=function(){return g};this.getResult=function(){return b};this.getNCorrect=function(){return d};this.getNErrors=function(){return c};this.getNFirstHints=function(){return e};this.ctatdebug("in CTATStep("+
-a+", "+b+") constructor");switch(b){case CTATStep.StepResult[3]:this.incrementNCorrect();break;case CTATStep.StepResult[1]:this.incrementErrors();break;case CTATStep.StepResult[2]:this.incrementFirstHints()}this.ctatdebug("exiting CTATStep constructor")};Object.defineProperty(CTATStep,"StepResult",{enumerable:!1,configurable:!1,writable:!1,value:["UNTRIED","INCORRECT","HINT","CORRECT"]});CTATStep.prototype=Object.create(CTATBase.prototype);CTATStep.prototype.constructor=CTATStep;
-"undefined"!==typeof module&&(module.exports=CTATStep);var CTATProblemSummary=function(a,b,e){CTATBase.call(this,"CTATProblemSummary","");if(null===a||"undefined"===typeof a||1>a.length)throw new CTATExampleTracerException("problemName null or empty");var g=!0,d=Number.MAX_VALUE,c=b,f=e,h=0,m=new Date,l={},q=0,p=0,u=0,r=0,w=0,n=0,B=0,v=CTATMsgType.CompletionValue[0],y=this;this.getCountOnlyLastResults=function(){return f};this.setCountOnlyLastResults=function(a){f=a};this.getTimeElapsed=function(){return h};this.getUniqueErrors=function(){if(!y.getCountOnlyLastResults())return B;
-var a=0,b;for(b in l)l[b].getLastResult()==CTATStep.StepResult[1]&&a++;return a};this.getUniqueCorrect=function(){if(!y.getCountOnlyLastResults())return w;var a=0,b;for(b in l)l[b].getLastResult()==CTATStep.StepResult[3]&&a++;return a};this.getUniqueCorrectUnassisted=function(){return n};this.getHintsOnly=function(){var a=0,b;for(b in l)CTATStep.StepResult[2]==l[b].getResult()&&1>l[b].getNErrors()&&++a;return a};this.getErrorsOnly=function(){var a=0,b;for(b in l)CTATStep.StepResult[1]==l[b].getResult()&&
-1>l[b].getNFirstHints()&&++a;return a};this.getUniqueSteps=function(){var a=0,b;for(b in l)a++;return a};this.getRequiredSteps=function(){return d==Number.MAX_VALUE?0:d};this.setRequiredSteps=function(a){d=a};this.getCorrect=function(){return q};this.toXML=function(b){var c,d="";c=""+(' ProblemName="'+a+'"');c+=' CompletionStatus="'+v+'"';g&&(c+=' Correct="'+q+'"',c+=' UniqueCorrect="'+y.getUniqueCorrect()+'"',c+=' UniqueCorrectUnassisted="'+n+'"',c+=' Hints="'+p+'"',c+=' UniqueHints="'+r+'"',c+=
-' HintsOnly="'+y.getHintsOnly()+'"',c+=' Errors="'+u+'"',c+=' UniqueErrors="'+y.getUniqueErrors()+'"',c+=' ErrorsOnly="'+y.getErrorsOnly()+'"',c+=' UniqueSteps="'+y.getUniqueSteps()+'"',c+=' RequiredSteps="'+y.getRequiredSteps()+'"');c+=' TimeElapsed="'+h+'"';g&&(d=y.getSkills()?y.getSkills().toXML(b):"");return b?"&lt;ProblemSummary"+c+"&gt;"+d+"&lt;/ProblemSummary&gt;":"<ProblemSummary"+c+">"+d+"</ProblemSummary>"};this.getSkills=function(){return c};this.setSkills=function(a){c=a};this.stopTimer=
-function(){var a=new Date;h+=a.getTime()-m.getTime();return a};this.restartTimer=function(){m=y.stopTimer();return h};this.addHint=function(a){y.ctatdebug("addHint("+a+")");var b=l[a];null!==b&&"undefined"!==typeof b?(1>b.getNFirstHints()&&++r,b.incrementFirstHints()):(b=new CTATStep(a,CTATStep.StepResult[2]),l[a]=b,r++);p++;b.setLastResult(CTATStep.StepResult[2]);y.ctatdebug("exiting addHint() hint count "+p+", trial "+b)};this.addError=function(a){y.ctatdebug("addError("+a+")");var b=l[a];null!==
-b&&"undefined"!==typeof b?(1>b.getNCorrect()&&1>b.getNErrors()&&++B,b.incrementErrors()):(b=new CTATStep(a,CTATStep.StepResult[1]),l[a]=b,B++);u++;b.setLastResult(CTATStep.StepResult[1]);y.ctatdebug("exiting addError() error count "+u+", trial "+b)};this.addCorrect=function(a){var b=l[a];y.ctatdebug("entering addCorrect("+a+") trial "+b);b?(1>b.getNCorrect()&&1>b.getNErrors()&&(++w,1>b.getNFirstHints()&&n++),b.incrementNCorrect()):(y.ctatdebug("to call CTATStep("+a+", StepResult "+CTATStep.StepResult[3]),
-b=new CTATStep(a,CTATStep.StepResult[3]),l[a]=b,w++,n++);q++;b.setLastResult(CTATStep.StepResult[3]);y.ctatdebug("exiting addCorrect() correct count "+q+", trial "+b)};this.setShowCounts=function(a){g=a};this.setCompletionStatus=function(a,b){y.ctatdebug("setCompletionStatus("+a+", "+b+")");if(CTATMsgType.CompletionValue[1]!=v||b)v=a};this.getCompletionStatus=function(){return v}};CTATProblemSummary.prototype=Object.create(CTATBase.prototype);CTATProblemSummary.prototype.constructor=CTATProblemSummary;
-"undefined"!==typeof module&&(module.exports=CTATProblemSummary);var CTATSkills=function(a){CTATBase.call(this,"CTATSkills",a?String(a.length):"");var b={},e=0;a.forEach(function(a){b[a.getSkillName().toLowerCase()]=a});var g=new Set,d=this;this.toXML=function(a,d){d||(d="");var c=a?"&lt;Skills&gt;":"<Skills>",e=c.length,f;for(f in b)b.hasOwnProperty(f)&&b[f]&&(c+=d+b[f].toXML(a));c+=d&&c.length>e?"\n":"";return c+(a?"&lt;/Skills&gt;":"</Skills>")};this.updateSkill=function(a,b,h){var c=null,f=d.getSkill(b);null!==f&&"undefined"!==typeof f&&(f.setTransactionNumber(e),
-b=h+" "+b,g.has(b)||(g.add(b),f.updatePKnown(a),f.updateHistory(a),f.changeOpportunityCount(1)),CTATExampleTracerSkill.CORRECT.toString().toUpperCase()===a.toString().toUpperCase()&&g["delete"](b),c=f);return c};this.startTransaction=function(){++e};this.getSkill=function(a){var c=null===a||"undefined"===typeof a?null:a.toLowerCase(),c=b[c];d.ctatdebug("CTATSkills.getSkill("+a+") returns "+c);return c};this.getSkillBarVector=function(a,d){var c=[],f;for(f in b)!0===b.hasOwnProperty(f)&&(!0!==d&&b[f].getTransactionNumber()!==
-e||c.push(b[f].getSkillBarString(a)));return c};this.setExternallyDefined=function(a){};this.setVersion=function(a){for(var c in b)!0===b.hasOwnProperty(c)&&b[c].setVersion(a)}};CTATSkills.prototype=Object.create(CTATBase.prototype);CTATSkills.prototype.constructor=CTATSkills;"undefined"!==typeof module&&(module.exports=CTATSkills);var ProblemStateSaver=function(a){CTATBase.call(this,"ProblemStateSaver",a);this.tracer=a;var b=this,e=[],g=null,d="",c="",f=0;this.saveAsYouGo=function(g){b.ctatdebug("saveAsYouGo() curriculum_service_url "+d+", tracer "+a);if(a&&g){var h={};h.session_id=a.getSessionID();h.authenticity_token=c;h.summary=g.toXML(!1);h.problem_state=ProblemStateSaver.MESSAGES_TAG;for(var l=0;l<e.length;++l)e[l]&&(h.problem_state+=e[l]);h.problem_state+=ProblemStateSaver.MESSAGES_TAG.replace("<","</");++f;b.ctatdebug("saveAsYouGo["+
-f+"] to send problem_state length "+h.problem_state.length);CTATLMS.saveProblemState&&CTATLMS.saveProblemState(h);CTATLMS.gradeStudent&&CTATLMS.gradeStudent(parseInt(g.getCorrect()),parseInt(g.getRequiredSteps()));CTATLMS.commit&&CTATLMS.commit()}else b.ctatdebug("Error: no tracer or no problem summary available, aborting save as you go")};this.setCurriculumServiceUrl=function(a){b.ctatdebug("ProblemStateSaver.setCurriculumServiceUrl() old "+d+", new "+a);d=a};this.setAuthenticityToken=function(a){b.ctatdebug("ProblemStateSaver.setAuthenticityToken() old "+
-c+", new "+a);a&&(c=a)};this.getStepToIndexMap=function(){null===g&&(g=new Map);return g};this.getProblemState=function(){return e};this.getProblemStateLength=function(){return e.length}};ProblemStateSaver.prototype=Object.create(CTATBase.prototype);ProblemStateSaver.prototype.constructor=ProblemStateSaver;
-ProblemStateSaver.prototype.replaceInProblemState=function(a,b,e,g){this.ctatdebug("PSS.replaceInProblemState("+CTATMsgType.getMessageType(a)+", "+e+", "+g+")");if(b.mustSaveForRestore()&&ProblemStateSaver.mustSaveForRestore(CTATMsgType.getMessageType(a))){b=this.getProblemState();a=this.editForProblemState(a);if(!g){e=ProblemStateSaver.makeStepKey(e);g=this.getStepToIndexMap();this.ctatdebug("PSS.replaceInProblemState() stepKey"+e+", index "+g.get(e)+")");if(g.has(e)){var d=g.get(e);b[d]=null}g.set(e,
-b.length)}b.push(a)}};ProblemStateSaver.prototype.appendToProblemState=function(a,b,e){if(e||b.mustSaveForRestore()&&ProblemStateSaver.mustSaveForRestore(CTATMsgType.getMessageType(a)))b=this.getProblemState(),a=this.editForProblemState(a),b.push(a)};Object.defineProperty(ProblemStateSaver,"XML_PROLOGUE",{enumerable:!1,configurable:!1,writable:!1,value:/<\? *[xX][mM][lL][^?]*\?>/});Object.defineProperty(ProblemStateSaver,"LEADING_WHITE_SPACE",{enumerable:!1,configurable:!1,writable:!1,value:/^\s+</m});
+this.getStatus()==CTATProblemStateStatus.incomplete?this.setStatus(CTATProblemStateStatus.incomplete):this.setStatus(CTATProblemStateStatus.normalFeedback);break;case CTATMsgType.PROBLEM_RESTORE_END:this.setStatus(CTATProblemStateStatus.normalFeedback);break;case CTATMsgType.END_GO_TO_STATE:this.setStatus(CTATProblemStateStatus.normalFeedback);break;case CTATMsgType.BEGIN_GO_TO_STATE:this.setStatus(CTATProblemStateStatus.startState);break;case CTATMsgType.BEGIN_RESTORE:this.getStatus()!=CTATProblemStateStatus.incompleteStartState&&
+this.setStatus(CTATProblemStateStatus.incomplete)}ctatdebug("CTATProblemStateStatus.transition("+a+", "+g+") old "+f+" => new "+this.getStatus());return this.getStatus()}};CTATProblemStateStatus.prototype.toString=function(){return"{"+this.getStatus()+"}"};var CTATMessageTank=function(a){function g(a){l.ctatdebug("entering updateProblemSummary()");a&&b.forEach(function(b){if(b.msgType==CTATMsgType.ASSOCIATED_RULES){var d=b.evt;l.ctatdebug("entering updateProblemSummaryWithEvent("+d+")");if(d)if(c&&c.getOutputStatus().isComplete())a.setCompletionStatus(CTATMsgType.CompletionValue[1],!1),a.setShowCounts(!1);else{b=d.getResult();d.getHintRequest()&&(b=CTATExampleTracerLink.HINT_ACTION);var e=CTATMsgType.CompletionValue[0],f=b&&b==CTATExampleTracerLink.CORRECT_ACTION,
+g=!1,h=null,m=null,n=null,C=d.getStudentSAI();C&&(h=C.getSelection())&&(m=C.getAction())&&(g="done"==String(h).toLowerCase()&&"buttonpressed"==String(m).toLowerCase());a.setCompletionStatus(e,CTATGlobals.confirmDone);l.ctatdebug("updateProblemSummary() Completion status "+e+", doneStep "+g+", correct "+f);g&&(e=f?(n=C.getInput())&&"-1"!=n?n:CTATMsgType.CompletionValue[1]:CTATMsgType.CompletionValue[0],a.setCompletionStatus(e,!0));e.startsWith(CTATMsgType.CompletionValue[1])?(a.stopTimer(),c&&c.setOutputStatus(CTATProblemStateStatus.complete)):
+a.restartTimer();e=d.getActor();l.ctatdebug("updateProblemSummmary() actor "+e+", indicatorObj "+b);!CTATMatcher.isTutorActor(e)&&c.getOutputStatus().countForProblemSummary()&&(d=d.getStepID(),CTATTutorMessageBuilder.isHint(b)?a.addHint(d):CTATTutorMessageBuilder.isCorrect(b)?null!==b&&"undefined"!==typeof b&&a.addCorrect(d):a.addError(d))}}})}function f(a){switch(l.suppressFeedback(a,c.getFeedbackPolicy())){case CTATMsgType.SHOW_ALL_FEEDBACK:return!1;case CTATMsgType.DELAY_FEEDBACK:a=a.msg;var b=
+CTATMsgType.getProperty(a,"Selection");l.ctatdebug("CTATMessageTank.addToDelayedFeedbackTank(\n  "+a+") selection "+b);b&&(c.getDelayedFeedback()[b.toLowerCase()]=a);return!0;case CTATMsgType.HIDE_ALL_FEEDBACK:return!0;case CTATMsgType.HIDE_BUT_COMPLETE:return!0;case CTATMsgType.HIDE_BUT_ENFORCE:return!0;default:return!1}}function d(a,b){for(var c=new CTATMessageTank(a,null),d=0;d<b.length;++d){var e=b[d];l.ctatdebug("sendNewTankful() mto["+d+"] msgType "+e.msgType);c.addToMessageTank(e.msgType,e.msg,
+e.evt,null)}c.flushMessageTank(null,!0)}CTATBase.call(this,"CTATMessageTank",null);var c=a,b=null,e=null,h=null;a=new Set;a.add("SuccessMessage");a.add("BuggyMessage");a.add("HighlightMsg");a.add("NotDoneMessage");var l=this;this.toString=function(){l.ctatdebug("toString tank "+b);if(!b||1>b.length)return"MessageTank empty";var a="";b.forEach(function(b){a+=b.msgType+", "});return"MessageTank["+a.substr(0,a.length-2)+"]"};this.enqueueToolActionToStudent=function(a,b,d,e){l.ctatdebug("Entering enqueueToolActionToStudent("+
+a+", "+b+", "+d+", "+e+")");var f=CTATMsgType.INTERFACE_ACTION;l.ctatdebug("entering enqueueMessageToStudent()");var g=CTATMessage.makeTransactionId();a=new CTATSAI(a,b,d);b=(new CTATTutoringServiceMessageBuilder).createInterfaceActionMessage(g,a);b=CTATMsgType.setProperty(b,CTATTutorMessageBuilder.TRIGGER,"DATA");b=CTATMsgType.setProperty(b,CTATTutorMessageBuilder.SUBTYPE,!e||1>e.length?CTATTutorMessageBuilder.TUTOR_PERFORMED:e);e=new CTATExampleTracerEvent(c,a,CTATMsgType.DEFAULT_TOOL_ACTOR);e.setTransactionID(g);
+l.addToMessageTank(f,b,e,a);return g};this.addToMessageTank=function(a,c,d,f){l.ctatdebug("Entering addToMessageTank("+a+", "+c+", "+d+")");if(c){b||(b=[],e={},h={});var g={};g.msgType=a;g.msg=c;g.evt=d;g.sai=f;b.push(g);e[a]=e[a]?e[a]+1:1;a=d.getResult();d.getHintRequest()&&(a=CTATExampleTracerLink.HINT_ACTION);h[a]=h[a]?h[a]+1:1;l.ctatdebug("Exiting addToMessageTank() this "+l.toString())}};this.flushMessageTank=function(a,n){l.ctatdebug("Entering flushMessageTank("+a+", "+n+")");if(b&&!(1>b.length)){g(a);
+l.ctatdebug("flushMessageTank() after updateProblemSummary; messageTank.length "+b.length);for(var m=[],v=[],q=0;q<b.length;++q){var u=b[q];if(u.msg){var w=u.msgType,B=u.evt;l.ctatdebug("entering processInterfaceVariables() msgType "+w+", evt "+B);if(w){var y=c?c.getTracer():null;l.ctatdebug("entering processInterfaceVariables() et "+c+", tracer "+y);w=w.toLowerCase();(0===w.indexOf("correct")||0===w.indexOf("interfaceaction"))&&y&&y.addInterfaceVariablesFromEvent(B)}if(!(w=f(u)))if(w=u,B=v,CTATConfiguration.usingFlash()){var C=
+y=void 0;if(!(w&&w.sai&&(y=w.sai.getAction())&&(C=CTATSAI.delayedActionRegExp.exec(y)))||3>C.length||1>=C[2])w=!1;else{var A=B.length-1,A=0>A?null:B[A];w.msg=w.msg.replace(y,C[1]);A&&A.timeout==C[2]?A.msgTuples.push(w):B.push({timeout:Number(C[2]),msgTuples:[w]});w=!0}}else w=!1;w||m.push(u.msg)}}l.ctatdebug("flushMessageTank(): msgBundle.length "+m.length+", delayedMsgsBundle.length "+v.length);for(q=0;q<v.length;++q)u=v[q],l.ctatdebug("processDelayedMsgs() delayedMsgs.timeout "+u.timeout+", .msgTuples.length "+
+u.msgTuples.length),setTimeout(d,u.timeout,c,u.msgTuples);0<m.length&&(l.ctatdebug("Bottom of flushMessageTank(); to send bundle of length "+m.length+" via "+c),c.sendBundle(m)&&(l.ctatdebug("CTATMessageTank.shouldSaveNow() resultTypes "+h+", msgTypes "+e),(h[CTATExampleTracerLink.CORRECT_ACTION]||h[CTATExampleTracerLink.FIREABLE_BUGGY_ACTION]||e.CorrectAction||e.InterfaceAction||e.UntutoredAction||c.isFeedbackSuppressed()&&e.AssociatedRules)&&c.isSendingSavedMsgsForRestore()&&(CTATGlobalFunctions.isInstructorMode()?
+l.ctatdebug("We're in reviewer mode: we shouldn't save as we go"):c.getProblemStateSaver().saveAsYouGo(a))),l.ctatdebug("Exiting flushMessageTank() #CorrectAction "+e.CorrectAction+", #InterfaceAction "+e.InterfaceAction+", #UntutoredAction "+e.UntutoredAction));e=b=null}};this.flushDelayedFeedback=function(){l.ctatdebug("Entering flushDelayedFeedback()");var a=c.getDelayedFeedback(),b;for(b in a)a.hasOwnProperty(b)&&CTAT.ToolTutor.sendToInterface(a[b]);c.clearDelayedFeedback()};this.suppressFeedback=
+function(a,b){l.ctatdebug("CTATMessageTank.suppressFeedback("+a.msgType+", "+b+")");var c;b==CTATMsgType.SHOW_ALL_FEEDBACK?(l.ctatdebug("if.1"),c=b):CTATMsgType.hasTextFeedback(a.msgType)?(l.ctatdebug("if.2"),b==CTATMsgType.HIDE_ALL_FEEDBACK||b==CTATMsgType.HIDE_BUT_ENFORCE?(l.ctatdebug("if.2.1"),c=b):(l.ctatdebug("if.2.2"),(c=CTATMsgType.getProperty(a.msg,CTATMsgType.BUGGY_MSG))&&-1!=c.toLowerCase().indexOf(CTATMsgType.NOT_DONE_MSG.toLowerCase())?(l.ctatdebug("if.2.2.1"),c=CTATMsgType.SHOW_ALL_FEEDBACK):
+(l.ctatdebug("if.2.2.2"),c=CTATMsgType.HIDE_ALL_FEEDBACK))):CTATMsgType.isCorrectOrIncorrect(a.msgType)?(l.ctatdebug("if.3: "+a.msg),CTATMsgType.isDoneMessage(a.msg)?(l.ctatdebug("if.3.1"),c=CTATMsgType.SHOW_ALL_FEEDBACK):(l.ctatdebug("if.3.2"),c=b)):(l.ctatdebug("if.4"),c=CTATMsgType.SHOW_ALL_FEEDBACK);l.ctatdebug("CTATMessageTank.suppressFeedback() returning "+c);return c}};Object.defineProperty(CTATMessageTank,"END_OF_TRANSACTION",{enumerable:!1,configurable:!1,writable:!1,value:"end_of_transaction"});
+CTATMessageTank.prototype=Object.create(CTATBase.prototype);CTATMessageTank.prototype.constructor=CTATMessageTank;"undefined"!==typeof module&&(module.exports=CTATMessageTank);var CTATStep=function(a,g){CTATBase.call(this,"CTATStep",a);var f=0,d=null,c=0,b=0;this.ctatdebug("entering CTATStep("+a+", "+g+") constructor");this.incrementFirstHints=function(){f++};this.incrementNCorrect=function(){c++};this.incrementErrors=function(){b++};this.setLastResult=function(a){d=a};this.getLastResult=function(){return d};this.getResult=function(){return g};this.getNCorrect=function(){return c};this.getNErrors=function(){return b};this.getNFirstHints=function(){return f};this.ctatdebug("in CTATStep("+
+a+", "+g+") constructor");switch(g){case CTATStep.StepResult[3]:this.incrementNCorrect();break;case CTATStep.StepResult[1]:this.incrementErrors();break;case CTATStep.StepResult[2]:this.incrementFirstHints()}this.ctatdebug("exiting CTATStep constructor")};Object.defineProperty(CTATStep,"StepResult",{enumerable:!1,configurable:!1,writable:!1,value:["UNTRIED","INCORRECT","HINT","CORRECT"]});CTATStep.prototype=Object.create(CTATBase.prototype);CTATStep.prototype.constructor=CTATStep;
+"undefined"!==typeof module&&(module.exports=CTATStep);var CTATProblemSummary=function(a,g,f){CTATBase.call(this,"CTATProblemSummary","");if(null===a||"undefined"===typeof a||1>a.length)throw new CTATExampleTracerException("problemName null or empty");var d=!0,c=Number.MAX_VALUE,b=g,e=f,h=0,l=new Date,m={},n=0,p=0,v=0,q=0,u=0,w=0,B=0,y=CTATMsgType.CompletionValue[0],C=this;this.getCountOnlyLastResults=function(){return e};this.setCountOnlyLastResults=function(a){e=a};this.getTimeElapsed=function(){return h};this.getUniqueErrors=function(){if(!C.getCountOnlyLastResults())return B;
+var a=0,b;for(b in m)m[b].getLastResult()==CTATStep.StepResult[1]&&a++;return a};this.getUniqueCorrect=function(){if(!C.getCountOnlyLastResults())return u;var a=0,b;for(b in m)m[b].getLastResult()==CTATStep.StepResult[3]&&a++;return a};this.getUniqueCorrectUnassisted=function(){return w};this.getHintsOnly=function(){var a=0,b;for(b in m)CTATStep.StepResult[2]==m[b].getResult()&&1>m[b].getNErrors()&&++a;return a};this.getErrorsOnly=function(){var a=0,b;for(b in m)CTATStep.StepResult[1]==m[b].getResult()&&
+1>m[b].getNFirstHints()&&++a;return a};this.getUniqueSteps=function(){var a=0,b;for(b in m)a++;return a};this.getRequiredSteps=function(){return c==Number.MAX_VALUE?0:c};this.setRequiredSteps=function(a){c=a};this.getCorrect=function(){return n};this.toXML=function(b){var c,e="";c=""+(' ProblemName="'+a+'"');c+=' CompletionStatus="'+y+'"';d&&(c+=' Correct="'+n+'"',c+=' UniqueCorrect="'+C.getUniqueCorrect()+'"',c+=' UniqueCorrectUnassisted="'+w+'"',c+=' Hints="'+p+'"',c+=' UniqueHints="'+q+'"',c+=
+' HintsOnly="'+C.getHintsOnly()+'"',c+=' Errors="'+v+'"',c+=' UniqueErrors="'+C.getUniqueErrors()+'"',c+=' ErrorsOnly="'+C.getErrorsOnly()+'"',c+=' UniqueSteps="'+C.getUniqueSteps()+'"',c+=' RequiredSteps="'+C.getRequiredSteps()+'"');c+=' TimeElapsed="'+h+'"';d&&(e=C.getSkills()?C.getSkills().toXML(b):"");return b?"&lt;ProblemSummary"+c+"&gt;"+e+"&lt;/ProblemSummary&gt;":"<ProblemSummary"+c+">"+e+"</ProblemSummary>"};this.getSkills=function(){return b};this.setSkills=function(a){b=a};this.stopTimer=
+function(){var a=new Date;h+=a.getTime()-l.getTime();return a};this.restartTimer=function(){l=C.stopTimer();return h};this.addHint=function(a){C.ctatdebug("addHint("+a+")");var b=m[a];null!==b&&"undefined"!==typeof b?(1>b.getNFirstHints()&&++q,b.incrementFirstHints()):(b=new CTATStep(a,CTATStep.StepResult[2]),m[a]=b,q++);p++;b.setLastResult(CTATStep.StepResult[2]);C.ctatdebug("exiting addHint() hint count "+p+", trial "+b)};this.addError=function(a){C.ctatdebug("addError("+a+")");var b=m[a];null!==
+b&&"undefined"!==typeof b?(1>b.getNCorrect()&&1>b.getNErrors()&&++B,b.incrementErrors()):(b=new CTATStep(a,CTATStep.StepResult[1]),m[a]=b,B++);v++;b.setLastResult(CTATStep.StepResult[1]);C.ctatdebug("exiting addError() error count "+v+", trial "+b)};this.addCorrect=function(a){var b=m[a];C.ctatdebug("entering addCorrect("+a+") trial "+b);b?(1>b.getNCorrect()&&1>b.getNErrors()&&(++u,1>b.getNFirstHints()&&w++),b.incrementNCorrect()):(C.ctatdebug("to call CTATStep("+a+", StepResult "+CTATStep.StepResult[3]),
+b=new CTATStep(a,CTATStep.StepResult[3]),m[a]=b,u++,w++);n++;b.setLastResult(CTATStep.StepResult[3]);C.ctatdebug("exiting addCorrect() correct count "+n+", trial "+b)};this.setShowCounts=function(a){d=a};this.setCompletionStatus=function(a,b){C.ctatdebug("setCompletionStatus("+a+", "+b+") old value "+y);if(!y.startsWith(CTATMsgType.CompletionValue[1])||b)y=a};this.getCompletionStatus=function(){return y}};CTATProblemSummary.prototype=Object.create(CTATBase.prototype);
+CTATProblemSummary.prototype.constructor=CTATProblemSummary;"undefined"!==typeof module&&(module.exports=CTATProblemSummary);var CTATSkills=function(a){CTATBase.call(this,"CTATSkills",a?String(a.length):"");var g={},f=0;a.forEach(function(a){g[a.getSkillName().toLowerCase()]=a});var d=new Set,c=this;this.toXML=function(a,c){c||(c="");var b=a?"&lt;Skills&gt;":"<Skills>",d=b.length,e;for(e in g)g.hasOwnProperty(e)&&g[e]&&(b+=c+g[e].toXML(a));b+=c&&b.length>d?"\n":"";return b+(a?"&lt;/Skills&gt;":"</Skills>")};this.getAllSkills=function(){var a=[],c;for(c in g)g.hasOwnProperty(c)&&g[c]&&a.push(g[c]);return a};this.updateSkill=
+function(a,e,g){var b=null,h=c.getSkill(e);null!==h&&"undefined"!==typeof h&&(h.setTransactionNumber(f),e=g+" "+e,d.has(e)||(d.add(e),h.updatePKnown(a),h.updateHistory(a),h.changeOpportunityCount(1)),CTATExampleTracerSkill.CORRECT.toString().toUpperCase()===a.toString().toUpperCase()&&d["delete"](e),b=h);return b};this.startTransaction=function(){++f};this.getSkill=function(a){var b=null===a||"undefined"===typeof a?null:a.toLowerCase(),b=g[b];c.ctatdebug("CTATSkills.getSkill("+a+") returns "+b);return b};
+this.getSkillBarVector=function(a,c){var b=[],d;for(d in g)!0===g.hasOwnProperty(d)&&(!0!==c&&g[d].getTransactionNumber()!==f||b.push(g[d].getSkillBarString(a)));return b};this.setExternallyDefined=function(a){};this.setVersion=function(a){for(var b in g)!0===g.hasOwnProperty(b)&&g[b].setVersion(a)}};CTATSkills.prototype=Object.create(CTATBase.prototype);CTATSkills.prototype.constructor=CTATSkills;"undefined"!==typeof module&&(module.exports=CTATSkills);var ProblemStateSaver=function(a){CTATBase.call(this,"ProblemStateSaver",a);this.tracer=a;var g=this,f=[],d=null,c="",b="",e=0;this.saveAsYouGo=function(d){g.ctatdebug("saveAsYouGo() curriculum_service_url "+c+", tracer "+a);if(a&&d){var h={};h.session_id=a.getSessionID();h.authenticity_token=b;h.summary=d.toXML(!1);h.problem_state=ProblemStateSaver.xmlToJSON(f);++e;g.ctatdebug("saveAsYouGo["+e+"] to send problem_state length "+h.problem_state.length);CTATLMS.saveProblemState&&CTATLMS.saveProblemState(h);
+CTATLMS.gradeStudent&&CTATLMS.gradeStudent(parseInt(d.getCorrect()),parseInt(d.getRequiredSteps()));CTATLMS.commit&&CTATLMS.commit()}else g.ctatdebug("Error: no tracer or no problem summary available, aborting save as you go")};this.setCurriculumServiceUrl=function(a){g.ctatdebug("ProblemStateSaver.setCurriculumServiceUrl() old "+c+", new "+a);c=a};this.setAuthenticityToken=function(a){g.ctatdebug("ProblemStateSaver.setAuthenticityToken() old "+b+", new "+a);a&&(b=a)};this.getStepToIndexMap=function(){null===
+d&&(d=new Map);return d};this.getProblemState=function(){return f};this.getProblemStateLength=function(){return f.length}};ProblemStateSaver.prototype=Object.create(CTATBase.prototype);ProblemStateSaver.prototype.constructor=ProblemStateSaver;
+ProblemStateSaver.prototype.replaceInProblemState=function(a,g,f,d){this.ctatdebug("PSS.replaceInProblemState("+CTATMsgType.getMessageType(a)+", "+f+", "+d+")");if(g.mustSaveForRestore()&&ProblemStateSaver.mustSaveForRestore(CTATMsgType.getMessageType(a))){g=this.getProblemState();a=this.editForProblemState(a);if(!d){f=ProblemStateSaver.makeStepKey(f);d=this.getStepToIndexMap();this.ctatdebug("PSS.replaceInProblemState() stepKey"+f+", index "+d.get(f)+")");if(d.has(f)){var c=d.get(f);g[c]=null}d.set(f,
+g.length)}g.push(a)}};ProblemStateSaver.prototype.appendToProblemState=function(a,g,f){if(f||g.mustSaveForRestore()&&ProblemStateSaver.mustSaveForRestore(CTATMsgType.getMessageType(a)))g=this.getProblemState(),a=this.editForProblemState(a),g.push(a)};Object.defineProperty(ProblemStateSaver,"XML_PROLOGUE",{enumerable:!1,configurable:!1,writable:!1,value:/<\? *[xX][mM][lL][^?]*\?>/});Object.defineProperty(ProblemStateSaver,"LEADING_WHITE_SPACE",{enumerable:!1,configurable:!1,writable:!1,value:/^\s+</m});
 Object.defineProperty(ProblemStateSaver,"MESSAGES_TAG",{enumerable:!1,configurable:!1,writable:!1,value:"<messages>"});
-ProblemStateSaver.prototype.editForProblemState=function(a){var b=a.split(ProblemStateSaver.XML_PROLOGUE),e=b[0],g;for(g=1;g<b.length;++g)e+=b[g];b=e.split(ProblemStateSaver.LEADING_WHITE_SPACE);e=b[0];for(g=1;g<b.length;++g)e.endsWith("\n")&&(e=e.slice(0,-1)),e.endsWith("\r")&&(e=e.slice(0,-1)),e+="<"+b[g];this.ctatdebug("ProblemStateSaver.editForProblemState("+a+")\n returns "+e);return e};ProblemStateSaver.omitFromRestore={init:!1};
+ProblemStateSaver.prototype.editForProblemState=function(a){var g=a.split(ProblemStateSaver.XML_PROLOGUE),f=g[0],d;for(d=1;d<g.length;++d)f+=g[d];g=f.split(ProblemStateSaver.LEADING_WHITE_SPACE);f=g[0];for(d=1;d<g.length;++d)f.endsWith("\n")&&(f=f.slice(0,-1)),f.endsWith("\r")&&(f=f.slice(0,-1)),f+="<"+g[d];this.ctatdebug("ProblemStateSaver.editForProblemState("+a+")\n returns "+f);return f};ProblemStateSaver.omitFromRestore={init:!1};
 ProblemStateSaver.mustSaveForRestore=function(a){ProblemStateSaver.omitFromRestore.init||(ProblemStateSaver.omitFromRestore[CTATMsgType.ASSOCIATED_RULES.toLowerCase()]=!0,ProblemStateSaver.omitFromRestore[CTATMsgType.BUGGY_MESSAGE.toLowerCase()]=!0,ProblemStateSaver.omitFromRestore[CTATMsgType.CORRECT_ACTION.toLowerCase()]=!0,ProblemStateSaver.omitFromRestore[CTATMsgType.INCORRECT_ACTION.toLowerCase()]=!0,ProblemStateSaver.omitFromRestore[CTATMsgType.INTERFACE_IDENTIFICATION.toLowerCase()]=!0,ProblemStateSaver.omitFromRestore[CTATMsgType.PROBLEM_RESTORE_END.toLowerCase()]=
 !0,ProblemStateSaver.omitFromRestore[CTATMsgType.PROBLEM_SUMMARY_REQUEST.toLowerCase()]=!0,ProblemStateSaver.omitFromRestore[CTATMsgType.PROBLEM_SUMMARY_RESPONSE.toLowerCase()]=!0,ProblemStateSaver.omitFromRestore[CTATMsgType.SET_PREFERENCES.toLowerCase()]=!0,ProblemStateSaver.omitFromRestore[CTATMsgType.SHOW_HINTS_MESSAGE.toLowerCase()]=!0,ProblemStateSaver.omitFromRestore[CTATMsgType.SUCCESS_MESSAGE.toLowerCase()]=!0,ProblemStateSaver.omitFromRestore.init=!0);return a&&ProblemStateSaver.omitFromRestore[a.toLowerCase()]?
-!1:!0};ProblemStateSaver.prototype.forwardToInterface=function(a,b,e){var g=CTATMsgType.getMessageType(a);this.ctatdebug("PSS.forwardToInterface("+g+") problemState.length "+this.getProblemState().length+", outputStatus "+e);if(e&&e.isOutputSuppressed())return!1;CTAT.ToolTutor.sendToInterface(a,b);e&&e.transition(CTATMsgType.getMessageType(a));return!0};ProblemStateSaver.prototype.processMessage=function(a){this.ctatdebug("ProblemStateSaver.processMessage("+a+")")};
-ProblemStateSaver.makeStepKey=function(a){if(!a)return" ";var b=a.getSelection();a=a.getAction();b="string"!=typeof b||1>b.length?" ":b;a="string"!=typeof a||1>a.length?" ":a;return b+" "+a};"undefined"!==typeof module&&(module.exports=ProblemStateSaver);var ProblemStateRestorer=function(a){CTATBase.call(this,"ProblemStateRestorer",a);var b=this,e=null;this.getRestoreProblemUrl=function(){return e};this.setRestoreProblemUrl=function(a){e=a};this.toString=function(){return"["+e+": 0]"};this.retrieveMessages=function(e){console.log("retrieveMessages("+e+", ...)");e.mustRetrieveProblemState()?(a.stopWorking(1),CTATLMS.getProblemState&&CTATLMS.getProblemState(b.process)):console.log("Retrieval status indicates that we should not retrieve")};this.process=
-function(e){a.getOutputStatus().transition(CTATMsgType.BEGIN_RESTORE);if("string"!=typeof e)console.log("ProblemStateRestorer.process() called with parameter not a string: ",typeof e),a.enqueueForRestore([]);else{if(e.slice(0,ProblemStateSaver.MESSAGES_TAG.length)!=ProblemStateSaver.MESSAGES_TAG){console.log("ProblemStateRestorer.process() called with unrecognized string, to try htmlDecode(): ",e.slice(0,20));var d=e;e=(new DOMParser).parseFromString(d,"text/html").documentElement.textContent;if(e.slice(0,
-ProblemStateSaver.MESSAGES_TAG.length)!=ProblemStateSaver.MESSAGES_TAG){console.log("ProblemStateRestorer.process() called with unrecognized string: ",e.slice(0,20));a.enqueueForRestore([]);return}}d=[];if("string"==typeof e&&(e=e.split(/<\/?messages>/),b.ctatdebug("msgsArr.length "+e.length+", msgsArr[1].length "+(e[1]?e[1].length:-1)),!(2>e.length))){e=e[1].split("<message>");b.ctatdebug("problemStateArr.length "+e.length);for(var c=0,f=!1,g=1;g<e.length;++g){var m="<message>"+e[g],l=CTATMsgType.getMessageType(m);
-CTATMsgType.STATE_GRAPH==l?f=!0:CTATMsgType.START_STATE_END==l?f=!1:f?c++:CTATMsgType.INTERFACE_ACTION==l&&g==e.length-1&&CTATMsgType.isDoneMessage(m)&&a.getOutputStatus().isComplete()||(a.getProblemStateSaver().appendToProblemState(m,null,!0),d.push(m));b.ctatdebug("problemStateArr["+g+"] "+(f?"omit ":"keep ")+l+" omitted "+c+" kept "+d.length)}}a.enqueueForRestore(d)}}};ProblemStateRestorer.prototype=Object.create(CTATBase.prototype);ProblemStateRestorer.prototype.constructor=ProblemStateRestorer;var SCORMProblemSummary=function(){CTATBase.call(this,"SCORMProblemSummary","")};Object.defineProperty(SCORMProblemSummary,"LESSON_STATUS",{enumerable:!1,configurable:!1,writable:!1,value:"cmi.core.lesson_status"});Object.defineProperty(SCORMProblemSummary,"RAW_SCORE",{enumerable:!1,configurable:!1,writable:!1,value:"cmi.core.score.raw"});Object.defineProperty(SCORMProblemSummary,"EXIT",{enumerable:!1,configurable:!1,writable:!1,value:"cmi.core.exit"});
+!1:!0};ProblemStateSaver.prototype.forwardToInterface=function(a,g,f){var d=CTATMsgType.getMessageType(a);this.ctatdebug("PSS.forwardToInterface("+d+") problemState.length "+this.getProblemState().length+", outputStatus "+f);if(f&&f.isOutputSuppressed())return!1;CTAT.ToolTutor.sendToInterface(a,g);f&&f.transition(CTATMsgType.getMessageType(a));return!0};ProblemStateSaver.prototype.processMessage=function(a){this.ctatdebug("ProblemStateSaver.processMessage("+a+")")};
+ProblemStateSaver.makeStepKey=function(a){if(!a)return" ";var g=a.getSelection();a=a.getAction();g="string"!=typeof g||1>g.length?" ":g;a="string"!=typeof a||1>a.length?" ":a;return g+" "+a};
+ProblemStateSaver.jsonToXML=function(a){if("string"!=typeof a||"["!=a.charAt(0))return[];var g=[];try{g=JSON.parse(a)}catch(d){return console.log("ProblemStateSaver.jsonToXML() error",d,"problemState",a),[]}var f=[];g.forEach(function(a,c){console.log("ProblemStateSaver.jsonToXML["+c+"] mo",a);var b;b="<message><verb>NotePropertySet</verb><properties><MessageType>"+("U"==a.m?CTATMsgType.UNTUTORED_ACTION:CTATMsgType.INTERFACE_ACTION);b+="</MessageType><transaction_id>"+CTATMessage.makeTransactionId();
+b+="</transaction_id><Selection><value>"+a.s;b+="</value></Selection><Action><value>"+a.a;b+="</value></Action><Input><value><![CDATA["+decodeURIComponent(a.i);f.push(b+"]]\x3e</value></Input></properties></message>")});return f};
+ProblemStateSaver.xmlToJSON=function(a){var g=[];a.forEach(function(a,d){ctatdebug("ProblemStateSaver.xmlToJSON["+d+"] msg\n  "+a);if(a){var c={},b=null;c.m=CTATMsgType.getMessageType(a)==CTATMsgType.UNTUTORED_ACTION?"U":"I";c.s=(b=CTATMsgType.getValue(CTATMsgType.getProperty(a,"Selection"),0))?b:"";c.a=(b=CTATMsgType.getValue(CTATMsgType.getProperty(a,"Action"),0))?b:"";b=CTATMsgType.getValue(CTATMsgType.getProperty(a,"Input"),0);b=b.replace(/^<!\[CDATA\[([^\]]*)\]\]>$/,"$1");c.i=encodeURIComponent(b);
+ctatdebug("ProblemStateSaver.xmlToJSON["+d+"]  mo "+JSON.stringify(c));g.push(c)}});try{return JSON.stringify(g)}catch(f){return console.log("ProblemStateSaver.xmlToJSON() error",f,"toStringify",g),""}};"undefined"!==typeof module&&(module.exports=ProblemStateSaver);var ProblemStateRestorer=function(a){CTATBase.call(this,"ProblemStateRestorer",a);var g=this,f=null;this.getRestoreProblemUrl=function(){return f};this.setRestoreProblemUrl=function(a){f=a};this.toString=function(){return"["+f+": 0]"};this.retrieveMessages=function(d){console.log("retrieveMessages("+d+", ...)");d.mustRetrieveProblemState()?(a.stopWorking(1),CTATLMS.getProblemState&&CTATLMS.getProblemState(g.process)):console.log("Retrieval status indicates that we should not retrieve")};this.process=
+function(d){a.getOutputStatus().transition(CTATMsgType.BEGIN_RESTORE);if("string"!=typeof d||""==d)console.log("ProblemStateRestorer.process("+d+") empty or not a string: ",typeof d),a.enqueueForRestore([]);else{if("["!=d.charAt(0)&&d.slice(0,ProblemStateSaver.MESSAGES_TAG.length)!=ProblemStateSaver.MESSAGES_TAG&&(console.log("ProblemStateRestorer.process() called with unrecognized string, to try htmlDecode(): ",d.slice(0,20)),d=(new DOMParser).parseFromString(d,"text/html").documentElement.textContent,
+d.slice(0,ProblemStateSaver.MESSAGES_TAG.length)!=ProblemStateSaver.MESSAGES_TAG)){console.log("ProblemStateRestorer.process() called with unrecognized string: ",d.slice(0,20));a.enqueueForRestore([]);return}a:{var c=d;d=[];if("string"==typeof c){var b="";if("["==c.charAt(0))c=ProblemStateSaver.jsonToXML(c);else{c=c.split(/<\/?messages>/);g.ctatdebug("msgsArr.length "+c.length+", msgsArr[1].length "+(c[1]?c[1].length:-1));if(2>c.length)break a;b="<message>";c=c[1].split(b)}g.ctatdebug("problemStateArr.length "+
+c.length);for(var e=0,f=!1,l=0;l<c.length;++l)if(c[l]){var m=b+c[l],n=CTATMsgType.getMessageType(m);CTATMsgType.STATE_GRAPH==n?f=!0:CTATMsgType.START_STATE_END==n?f=!1:f?e++:CTATMsgType.INTERFACE_ACTION==n&&l==c.length-1&&CTATMsgType.isDoneMessage(m)&&a.getOutputStatus().isComplete()||(a.getProblemStateSaver().appendToProblemState(m,null,!0),d.push(m));g.ctatdebug("problemStateArr["+l+"] "+(f?"omit ":"keep ")+n+" omitted "+e+" kept "+d.length)}}}a.enqueueForRestore(d)}}};
+ProblemStateRestorer.prototype=Object.create(CTATBase.prototype);ProblemStateRestorer.prototype.constructor=ProblemStateRestorer;var SCORMProblemSummary=function(){CTATBase.call(this,"SCORMProblemSummary","")};Object.defineProperty(SCORMProblemSummary,"LESSON_STATUS",{enumerable:!1,configurable:!1,writable:!1,value:"cmi.core.lesson_status"});Object.defineProperty(SCORMProblemSummary,"RAW_SCORE",{enumerable:!1,configurable:!1,writable:!1,value:"cmi.core.score.raw"});Object.defineProperty(SCORMProblemSummary,"EXIT",{enumerable:!1,configurable:!1,writable:!1,value:"cmi.core.exit"});
 Object.defineProperty(SCORMProblemSummary,"SESSION_TIME",{enumerable:!1,configurable:!1,writable:!1,value:"cmi.core.session_time"});Object.defineProperty(SCORMProblemSummary,"ExitReason",{enumerable:!1,configurable:!1,writable:!1,value:{timeout:"time-out",suspend:"suspend",logout:"logout",done:" "}});
 Object.defineProperty(SCORMProblemSummary,"LessonStatus",{enumerable:!1,configurable:!1,writable:!1,value:{passed:"passed",completed:"completed",failed:"failed",incomplete:"incomplete",browsed:"browsed",notAttempted:"not attempted"}});SCORMProblemSummary.getLessonStatus=function(a){return CTATMsgType.CompletionValue[1]==a.getCompletionStatus()?SCORMProblemSummary.LessonStatus.completed:SCORMProblemSummary.LessonStatus.incomplete};
-SCORMProblemSummary.getRawScore=function(a){var b=a.getUniqueSteps();return 0==b?0:parseInt(100*(a.getUniqueCorrectUnassisted()/b+.005))};SCORMProblemSummary.getExitReason=function(a){return SCORMProblemSummary.ExitReason.suspend};SCORMProblemSummary.getSessionTime=function(a){var b=a.getTimeElapsed();a=b%1E3;var b=(b-a)/1E3,e=b/60,g=e/60,b=b%60;9999<g&&(g=9999,e=b=99,a=990);return sprintf("%04d:%02d:%02d.%02d",g,e,b,a/10)};
-SCORMProblemSummary.getProblemSummaryElements=function(a){var b=sprintf("<%s>%s</%s>",SCORMProblemSummary.LESSON_STATUS,SCORMProblemSummary.getLessonStatus(a),SCORMProblemSummary.LESSON_STATUS),e=sprintf("<%s>%d</%s>",SCORMProblemSummary.RAW_SCORE,SCORMProblemSummary.getRawScore(a),SCORMProblemSummary.RAW_SCORE),g=sprintf("<%s>%s</%s>",SCORMProblemSummary.EXIT,SCORMProblemSummary.getExitReason(a),SCORMProblemSummary.EXIT);a=sprintf("<%s>%s</%s>",SCORMProblemSummary.SESSION_TIME,SCORMProblemSummary.getSessionTime(a),
-SCORMProblemSummary.SESSION_TIME);return b+e+g+a};CTATMsgType.prototype=Object.create(CTATBase.prototype);CTATMsgType.prototype.constructor=SCORMProblemSummary;"undefined"!==typeof module&&(module.exports=SCORMProblemSummary);var CTATExampleTracer=function(){function a(a,b){b?N|=1<<a:(N&=-65537>>16-a,e())}function b(){return"<message><verb>NotePropertySet</verb><properties><MessageType>"+CTATMsgType.INTERFACE_REBOOT+"</MessageType></properties></message>"}function e(){n.ctatdebug("workTheQueue() working "+N+", workQueue.length "+P.length+", restoreQueue.length "+I.length);if(0==N)for(;0!=(N=0<P.length|(0<I.length)<<1);){var a,b=!1;0<I.length?(a=I.shift(),b=!0):a=P.shift();if(!g(a,b)){n.ctatdebug("workTheQueue() suspending workQueue.length "+
-P.length+", restoreQueue.length "+I.length);n.stopWorking(b?1:0);break}n.ctatdebug("workTheQueue() bottom workQueue.length "+P.length+", restoreQueue.length "+I.length)}}function g(a,b){n.lastMessageAsString=a;var e=n.lastMessageAsXML=(new CTATXML).parseXML(a),g=n.lastMessage=new CTATMessage(e),l=g.getMessageType();n.ctatdebug("CTATExampleTracer.handleMessageFromInterface(msgType "+l+")");switch(l){case CTATMsgType.SET_PREFERENCES:return d(a,g,F,e),!1;case CTATMsgType.INTERFACE_IDENTIFICATION:return!0;
-case CTATMsgType.UNTUTORED_ACTION:return b&&n.sendBundle([a]),c(a,g,F,e),!0;case CTATMsgType.INTERFACE_ACTION:return b&&n.sendBundle([a]),h(a,g,F,e),!0;case CTATMsgType.PROBLEM_SUMMARY_REQUEST:return setTimeout(function(a){a=n.getProblemSummary();n.ctatdebug("CTATExampleTracer.ProblemSummaryRequest getProblemSummary() "+n.getProblemSummary());var c="<message><verb>NotePropertySet</verb><properties><MessageType>"+CTATMsgType.PROBLEM_SUMMARY_RESPONSE+"</MessageType>",c=c+SCORMProblemSummary.getProblemSummaryElements(a),
-c=c+("<ProblemSummary>"+a.toXML(!0)+"</ProblemSummary>"),c=c+"<end_of_transaction>true</end_of_transaction></properties></message>",d=[];d.push(c);n.sendBundle(d);K.transition(CTATMsgType.PROBLEM_SUMMARY_RESPONSE,a.getCompletionStatus());n.ctatdebug("CTATExampleTracer.handleProblemSummaryRequest() sent result '"+c+"';");n.startWorking(b?1:0)},2E3),!1;case CTATMsgType.START_STATE_END:return K.transition(CTATMsgType.START_STATE_END),!0;case CTATMsgType.PROBLEM_RESTORE_END:return w(),!0;case CTATMsgType.GO_TO_STATE:return f(g);
-default:return console.log("CTATExampleTracer.handleMessageFromInterface(restoring "+b+") "+(b?"sending":"unprocessed")+" message, type "+l+"\n  "+a),b&&n.sendBundle([a]),!0}}function d(a,b,c,d){n.ctatdebug("handleSetPreferences ()");O=!1;G=b.getProperty("problem_name");n.ctatdebug("SetPreferences.problem_name = "+G);a=c.getElementChildren(c.getElementChildren(d)[1]);for(b=0;b<a.length;b++)if(d=c.getElementName(a[b]),n.ctatdebug("SetPreferences eltName "+d),d)switch(d.toLowerCase()){case "source_id":z=
-c.getNodeTextValue(a[b]);break;case "question_file":B=c.getNodeTextValue(a[b]);break;case "skills":n.ctatdebug(" parseSkills("+a[b]+")");d=[];for(var e=F.getElementChildren(a[b]),f=0;f<e.length;f++){var g=F.getElementName(e[f]);if(g&&"skill"==g.toLowerCase()){var h=F.getElementAttr(e[f],"name");if(h&&""!=h.trim()){var g=F.getElementAttr(e[f],"label"),l=F.getElementAttr(e[f],"pSlip"),m=F.getElementAttr(e[f],"description"),p=F.getElementAttr(e[f],"pKnown"),q=F.getElementAttr(e[f],"category"),r=F.getElementAttr(e[f],
-"pLearn"),t=F.getElementAttr(e[f],"pGuess"),u=F.getElementAttr(e[f],"history"),h=new CTATExampleTracerSkill(q,h,t,p,l,r,u);h.setLabel(g);h.setDescription(m);d.push(h)}}}n.getProblemSummary().setSkills(new CTATSkills(d));break;case "problem_state_status":K.transition(CTATMsgType.SET_PREFERENCES,c.getNodeTextValue(a[b]));H||(H=new ProblemStateRestorer(n));n.ctatdebug("SetPreferences problemStateRestorer "+H);break;case "curriculum_service_url":CTATConfiguration.set("curriculum_service_url",c.getNodeTextValue(a[b]));
-break;case "restore_problem_url":H||(H=new ProblemStateRestorer(n));n.ctatdebug("SetPreferences problemStateRestorer "+H);CTATConfiguration.set("restoreProblemUrl",c.getNodeTextValue(a[b]));break;case "session_id":L=c.getNodeTextValue(a[b]);break;case "authenticity_token":J.setAuthenticityToken(c.getNodeTextValue(a[b]))}n.ctatdebug("questionFile "+B+", outputStatus "+K+", problemStateRestorer "+H);a="undefined"!=typeof sessionStorage&&sessionStorage?sessionStorage.getItem("Go-To-State"):null;null!=
-a&&(sessionStorage.removeItem("Go-To-State"),a=Number(a),!Number.isSafeInteger(a)||0>=a||(Q=a,K.transition(CTATMsgType.BEGIN_GO_TO_STATE,null)));n.ctatdebug("outputStatus "+K+", problemStateRestorer "+H);a=B;n.ctatdebug("retrieveBRD ("+a.indexOf("data:file/brd;base64,")+")");n.ctatdebug("Using network retrieval to obtain BRD ..."+a);R.retrieveXMLFile(a,c,n);H&&H.retrieveMessages(K)}function c(a,b,c,d){b=b.getTransactionID();n.ctatdebug("UntutoredAction ("+a+"), getTransactionID "+b);J.appendToProblemState(a,
-n.getOutputStatus(),!1);if(!O)return!1;n.setVariablesFromSAI(d,c);return!0}function f(a){a=a.getProperty("nodeID");if(0>a||!sessionStorage||!sessionStorage.setItem)return!0;sessionStorage.setItem("Go-To-State",String(a));if(!CTAT.ToolTutor.reboot("Go-To-State "+a+" from CTATExampleTracer")){var c=[];c.push(b());n.ctatdebug("CTATET.handleGoToState() saved nodeID "+a+"; sending to interface\n"+c);n.sendBundle(c)}return!1}function h(a,b,c,d){n.ctatdebug("Interface action received.");c=b.getTransactionID();
-if(!O)return!1;n.messageTank=new CTATMessageTank(n,c);n.ctatdebug("MessageTank "+n.messageTank);n.ctatdebug("InterfaceAction ("+a+"), getTransactionID "+c);var e=b.getSelectionArray().slice(0);d=b.getActionArray().slice(0);n.ctatdebug("selectionArray "+e+", message.getSelectionArray() "+b.getSelectionArray());if(e[0]&&"_tutor"==e[0].toLowerCase())return n.ctatdebug("handleInterfaceAction tutor cmd SAI "+b.getSAI()+";"),d[0]&&"function"===typeof n[d[0]]&&(c=b.getSAI().getInput(),n[d[0]](c)),!0;!e[0]||
-"hint"!=e[0].toLowerCase()&&"help"!=e[0].toLowerCase()?(n.ctatdebug("calling doNewExampleTrace(null, "+b.getSAI()+") sai.selectionArray "+b.getSAI().getSelectionArray()+" msg.selectionArray "+b.getSelectionArray()),p(null,b.getSAI(),"student",!0,c,a)):(n.ctatdebug("handleInterfaceAction() hint request: hintPolicy "+x+", errorSAI "+D),x===CTATHintPolicyEnum.HINTS_UNBIASED?(1<e.length&&(e[1]=""),1<d.length&&(d[1]="")):x!==CTATHintPolicyEnum.HINTS_BIASED_BY_CURRENT_SELECTION_ONLY&&(x===CTATHintPolicyEnum.HINTS_BIASED_BY_PRIOR_ERROR_ONLY?
-D&&D.getSelection()?(e.splice(1,0,D.getSelection()),d.splice(1,0,"PreviousFocus")):(e[1]="",d[1]=""):x===CTATHintPolicyEnum.HINTS_BIASED_BY_ALL&&D&&D.getSelection()&&(e.splice(1,0,D.getSelection()),d[1]=CTATMsgType.PREVIOUS_FOCUS.toString())),n.startSkillTransaction(),a=[],d=v.doHint(e,d,b.getInputArray(),"student",a,!0),b=a[0],a=b.getReportableHints(),e=d?""+d.getUniqueID():"",b.setStepID(e),n.updateSkills(CTATExampleTracerSkill.HINT,d?d.getSkillNames():[],e),n.ctatdebug("Before building hint message: tutorSAI "+
-b.getTutorSAI()+", hints "+a+", edge # "+e),d=(new CTATTutorMessageBuilder).createHintMessage(a,b.getTutorSAI(),e,c),n.messageTank.addToMessageTank(CTATMsgType.SHOW_HINTS_MESSAGE,d,b,null),c=(new CTATTutorMessageBuilder).createAssociatedRulesMessageForHint(a,b.getTutorSAI(),u(CTATMsgType.DEFAULT_STUDENT_ACTOR),n.getSkillBarVector(!0),e,c),n.messageTank.addToMessageTank(CTATMsgType.ASSOCIATED_RULES,c,b,null),c=n.getProblemSummary(b.getReportableInterpretation()),n.messageTank.flushMessageTank(c,!0),
-n.ctatdebug("handleInterfaceAction() sent hint result "+b),D=null);return!0}function m(a,b,c){var d={tutorAdvice:null,msg:null,msgType:null};if(a.getReportableLink())return d.tutorAdvice=a.getSuccessOrBuggyMsg(),d.tutorAdvice&&d.tutorAdvice.trim()?(d.msg=c.createBuggyMessage(a.getTransactionID(),d.tutorAdvice),d.msgType="BuggyMessage"):d.tutorAdvice=null,d;n.ctatdebug("CTATET.createBuggyMessage() past getReportableLink()");if(a.isDoneStepFailed())return d.tutorAdvice=CTATMsgType.NOT_DONE_MSG,d.msg=
-c.createBuggyMessage(a.getTransactionID(),d.tutorAdvice),d.msgType="BuggyMessage",d;n.ctatdebug("CTATET.createBuggyMessage() past isDoneStepFailed()");var e=b&&b.getTutorSAI()?b.getTutorSAI().getSelection():null,e=e&&""!==e.trim()?e:null,f=a.getStudentSAI()?a.getStudentSAI().getSelection():null,f=f&&""!==f.trim()?f:null;n.ctatdebug("CTATET.createBuggyMessage() past hintSelection0 "+e+", studentSelection0 "+f);if(a.getResult()==CTATExampleTracerLink.NO_MODEL&&a.isOutOfOrder()&&e&&e!=f)return n.ctatdebug("CTATET.createBuggyMessage() to create out of order"),
-n.isHighlightRightSelection()?(d.tutorAdvice=n.getOutOfOrderMessage(),d.msg=c.createHighlightWidgetMessage(e,b.getTutorSAI().getAction(),d.tutorAdvice,a.getTransactionID()),d.msgType="HighlightMsg",n.ctatdebug("createBuggyMessage() out of order with highlight; rtn: "+d)):(d.tutorAdvice=CTATGlobals.languageManager.getString("OUTOFORDER"),d.msg=c.createBuggyMessage(a.getTransactionID,d.tutorAdvice),d.msgType="BuggyMessage",n.ctatdebug("createBuggyMessage() out of order without highlight; rtn: "+d)),
-d;if(b=A.getDefaultBuggyMsg())return d.tutorAdvice=b,d.msg=c.createBuggyMessage(a.getTransactionID,d.tutorAdvice),d.msgType="BuggyMessage",n.ctatdebug("createBuggyMessage() default buggy msg: "+d),d;n.ctatdebug("createBuggyMessage() no buggy msg: "+d);return d}function l(a,b,c,d){n.ctatdebug("checkForTutorAction("+a+", "+b+", "+c+", "+d+")");var e=[];e[0]=q(A.getNode(a),!0);e[1]=q(A.getNode(b),!1);n.ctatdebug("checkForTutorAction() links[0] "+e[0]+", links[1] "+e[1]+";");a=0;if(e[0]===e[1])e[1]=null;
-else if(null===e[0]||"undefined"===typeof e[0])a=1;b=null;n.messageTank||(n.messageTank=new CTATMessageTank(n,null));for(;a<e.length&&null!==e[a]&&"undefined"!==typeof e[a];++a)if(null==c||"undefined"==typeof c)b=p(e[a],e[a].getDefaultSAI(),e[a].getActor(),!0,null);else{b=e[a].getEvaluatedInput(c,d.getReportableVariableTable());var f=e[a].getDefaultSAI().clone();f.setInput(b);b=p(e[a],f,e[a].getActor(),!0,null)}n.ctatdebug("checkForTutorAction() returning "+b+";");return b}function q(a,b){if(null===
-a||"undefined"===typeof a||1!==a.getCorrectOutDegree())return null;var c=null;a.getCorrectOutLinks().forEach(function(a){null===c&&a.isTutorPerformed(b)&&0<a.getMaxTraversals()&&(c=a)});return c}function p(a,b,c,d,e,f){n.ctatdebug("doNewExampleTrace (link "+a+", sai "+b+", actor "+c+", doTutorPerformedSteps "+d+", transactionID "+e+", origMsgTxt "+f);var g=e;e=new CTATExampleTracerEvent(n,b,c);if(n.getOutputStatus().isComplete()&&b.isDone())return e.setResult(CTATExampleTracerLink.CORRECT_ACTION),
-e.setTutorSAI(b),e.setTransactionID(g),e=r(e,b,c,!1),n.ctatdebug("doNewExampleTrace("+a+", "+b+", "+c+", "+d+", "+g+") returns "+e),e;n.startSkillTransaction();a&&e.addPreloadedLinkMatch(a);var h=v.evaluate(e);n.ctatdebug("Evaluate returned : "+h+", given link "+a+", result "+e);a?(n.ctatdebug("result.getTutorSelection() "+e.getTutorSelection()),n.ctatdebug("result.getTutorAction() "+e.getTutorAction()),n.ctatdebug("result.getTutorInput() "+e.getTutorInput()),n.ctatdebug("typeof(messageTank) "+typeof messageTank),
-f=e.getTutorSelection(),g=e.getTutorAction(),h=e.getTutorInput(),(g=n.messageTank.enqueueToolActionToStudent(f,g,h,CTATTutorMessageBuilder.TUTOR_PERFORMED))&&n.messageTank.setTransaction_id(g)):n.isFeedbackSuppressed()?J.replaceInProblemState(f,n.getOutputStatus(),e.getStudentSAI(),A.getFeedbackPolicy()==CTATMsgType.HIDE_BUT_ENFORCE):e.getResult()!=CTATExampleTracerLink.CORRECT_ACTION&&e.getResult()!=CTATExampleTracerLink.FIREABLE_BUGGY_ACTION||J.appendToProblemState(f,n.getOutputStatus(),!1);e.setTransactionID(g);
-e=r(e,b,c,d);n.ctatdebug("doNewExampleTrace("+a+", "+b+", "+c+", "+d+", "+g+") returns "+e);return e}function u(a){return"undefined"!=typeof a&&a&&0<=a.toString().toLowerCase().indexOf("tutor")?"Tutor":"Student"}function r(a,b,c,d){n.ctatdebug("finishNewExampleTrace("+a+", "+b+", "+c+", "+d+")");b=a.getStudentSAI();var e=a.getTutorSAI(),f=a.getTransactionID(),g=new CTATTutorMessageBuilder,h="",p=[];null!==a.getReportableLink()&&"undefined"!==typeof a.getReportableLink()?p[0]=a.getReportableLink():
-p[0]=null;p=p[0];if(a.isSolverResult())a.getResult();else if(a.getResult()===CTATExampleTracerLink.CORRECT_ACTION)h=p?""+p.getUniqueID():"",a.setStepID(h),CTATMsgType.UNGRADED_TOOL_ACTOR.toUpperCase()!=c.toUpperCase()&&n.messageTank.addToMessageTank(CTATMsgType.CORRECT_ACTION,g.createCorrectActionMessage(f,e),a,e),null!==p&&"undefined"!==typeof p&&n.updateSkills(CTATExampleTracerSkill.CORRECT,p.getSkillNames(),p.getUniqueID()),h=a.getSuccessOrBuggyMsg(),n.messageTank.addToMessageTank(CTATMsgType.ASSOCIATED_RULES,
-g.createAssociatedRulesMessageForAction(a.getResult(),e,u(c),b,n.getSkillBarVector(!0,c),p?p.getUniqueID():-1,f,h),a,e),n.ctatdebug("finishNewExampleTrace() successMsg "+h),h&&n.messageTank.addToMessageTank("SuccessMessage",g.createSuccessMessage(f,h),a,null),D=null,d&&(c=l(p?p.getNextNode():null,v.findCurrentState(!1,!1),n.lastMessage?n.lastMessage.getSAI():null,a))&&(a=c);else{n.messageTank.addToMessageTank(CTATMsgType.INCORRECT_ACTION,g.createInCorrectActionMessage(f,a.getInterpolatedSAI()),a,
-null);n.ctatdebug("about to do silent traceForHint("+b+"), selectionArray "+b.getSelectionArray());var q=n.lastSilentHintResult=new CTATExampleTracerEvent(n,b,c);q.setHintRequest(!0);var r=v.traceForHint(q);n.ctatdebug("silent hint result: "+q+"; hintLink "+r);r||(r=v.getBestNextLink(!1,q),n.ctatdebug("getBestNextLink result: "+q+"; hintLink "+r));e=null;r&&((e=q.getTutorSAI())&&e.getSelection()&&a.setTutorSAI(e),h=""+r.getUniqueID(),a.setStepID(h));q=m(a,q,g);n.ctatdebug("createBuggyMessage() tutorAdvice: "+
-q.tutorAdvice+";\n  msg "+q.msg);n.updateSkills(CTATExampleTracerSkill.INCORRECT,r?r.getSkillNames():[],h);n.messageTank.addToMessageTank(CTATMsgType.ASSOCIATED_RULES,g.createAssociatedRulesMessageForAction(a.getResult(),e&&e.getSelection()?e:b,u(c),b,n.getSkillBarVector(!0,c),h,f,q.tutorAdvice),a,null);q.msg&&n.messageTank.addToMessageTank(q.msgType,q.msg,a);D=b;d&&CTATExampleTracerLink.FIREABLE_BUGGY_ACTION==a.getResult()?(c=l(p?p.getNextNode():null,v.findCurrentState(!1,!1),n.lastMessage?n.lastMessage.getSAI():
-null,a))&&(a=c):a.isDoneStepFailed()&&n.messageTank.flushDelayedFeedback()}n.lastResult=a;c=n.getProblemSummary(a.getReportableInterpretation());n.ctatdebug("finishNewExampleTrace() to flushMessageTank");n.messageTank.flushMessageTank(c,!0);n.ctatdebug("finishNewExampleTrace() sent result "+a.getResult()+", studentSAI "+b);return a}function w(){K.transition(CTATMsgType.PROBLEM_RESTORE_END);var a=n.getSkillBarVector(),b=[],c=new CTATTutorMessageBuilder;b.push(c.createMessage(CTATMsgType.PROBLEM_RESTORE_END,
-a?{Skills:a}:null));n.sendBundle(b)}CTATBase.call(this,"CTATExampleTracer","tracer");var n=this,B=null,v,y,A,F=new CTATXML;new XMLSerializer;var D=null,x,C=!0,E=!1,t=null,G=null,z=null,J=new ProblemStateSaver(n);J.setAuthenticityToken(CTATCommLibrary.getAuthenticityToken());var H=null,K=new CTATProblemStateStatus,I=[],P=[],N=0,O=!1,L="",Q=-1,M=null;n.ctatdebug("CTATExampleTracer constructor outputStatus="+K);this.messageTank=this.lastSilentHintResult=this.lastResult=this.lastMessage=this.lastMessageAsXML=
-this.lastMessageAsString=null;var R=new CTATCommLibrary;this.receiveFromInterface=function(a){n.ctatdebug("CTATExampleTracer.receiveFromInterface() \n  "+a);P.push(a);e()};this.setVariablesFromSAI=function(a,b){var c=CTATMsgType.getSAIArraysFromElement(a,b);n.getTracer()&&n.getTracer().addInterfaceVariables(c.selection,c.input)};this.traceLinks=function(a){for(var b=[],c=n.getTracer().getBestInterpretation(),d=0;d<a.length&&null!==a[d];++d)c.getTraversalCount(a[d])<a[d].getMinTraversals()&&(n.messageTank=
-new CTATMessageTank(n,null),b.push(p(a[d],a[d].getDefaultSAI(),a[d].getActor(),!1,null)),n.ctatdebug("traceLinks["+d+"] result "+b[d]));return b};this.enqueueForRestore=function(a){n.ctatdebug("enqueueForRestore: got "+a.length+" message elements");I=I.concat(a);a=(new CTATTutorMessageBuilder).createMessage(CTATMsgType.PROBLEM_RESTORE_END,null);I.push(a);n.startWorking(1)};this.startWorking=function(b){a(b,!1)};this.stopWorking=function(b){a(b,!0)};this.goToStartState=function(){var a=A.getStudentStartsHereNode()||
-A.getStartNode();a?n.goToState(a.getNodeName()):console.trace("goToStartState() did not find start node")};this.goToState=function(a){a=(a=A.findNode(a))?a.getNodeID():-1;0<a&&n.receiveFromInterface("<message><verb>NotePropertySet</verb><properties><MessageType>"+CTATMsgType.GO_TO_STATE+"</MessageType><nodeID>"+a+"</nodeID></properties></message>")};this.processXML=function(a){n.ctatdebug("processXML ()");if(null!=a){n.ctatdebug("No of children"+F.getElementChildren(a).length);var c=new CTATGraphParser,
-d=c.parseGraph(a,n);A=d.gr;v=d.tracer;a=d.ssm;d=d.sgMsg;n.ctatdebug("sendStartStateMessages() nMsgs "+a.length+", outputStatus "+K);for(var e=[],f=new XMLSerializer,g=null,h=0;h<a.length;h++)if("message"==F.getElementName(a[h])){var m=f.serializeToString(a[h]),p=CTATMsgType.getMessageType(m);CTATMsgType.UNTUTORED_ACTION!=p&&CTATMsgType.INTERFACE_ACTION!=p||n.setVariablesFromSAI(a[h],F);CTATMsgType.START_STATE_END==p?(g=e,A.getFeedbackPolicy()!=CTATMsgType.SHOW_ALL_FEEDBACK&&(p=new CTATSAI("hint",
-"SetVisible","false"),p=(new CTATTutoringServiceMessageBuilder).createInterfaceActionMessage("dummyTransactionID",p),g.push(p)),g=m,e.push((new CTATTutoringServiceMessageBuilder).createInterfaceConfigurationEnd()),e.push((new CTATTutorMessageBuilder).createLockWidgetMsg(c.getLockWidget()))):e.push(m)}e.unshift(d);e.unshift(b());n.ctatdebug("sendStartStateMessages(): "+a.length+" elts, "+e.length+" strings, "+K);n.sendBundle(e);c=g;a:{a=[];d=A.getStartNode();e=CTATMsgType.START_STATE_END;f=d.getNodeID();
-h=Q;Q=-1;m=null;h==f?K.transition(e,null):0<h&&(m=A.getNode(h));n.ctatdebug("CTATET.resetGoToState("+e+", null, "+f+") returns "+m);m&&K.transition(CTATMsgType.END_GO_TO_STATE,null);(e=m)||(e=A.getStudentStartsHereNode());if(null!==d&&null!==e&&d.getNodeID()!=e.getNodeID()){a=A.getBestSubpath(d,e);n.ctatdebug("advanceToStudentStartsHere() path "+a);if(!a)break a;a=a.getSortedLinks();a=n.traceLinks(a);n.ctatdebug("advanceToStudentStartsHere() results "+a)}e=d=null;0<a.length&&(e=a[a.length-1],a=e.getReportableLink(),
-null!==a&&(d=a.getNextNode()));n.ctatdebug("advanceToStudentStartsHere() to check for TPA "+d+", "+e);l(d,v.findCurrentState(!1,!1),null,e)}a=[];c&&a.push(c);K.canRestore()||a.push((new CTATTutorMessageBuilder).createMessage(CTATMsgType.PROBLEM_RESTORE_END,null));0<a.length&&n.sendBundle(a);O=!0}n.startWorking(0)};this.addGraphSkills=function(a){n.ctatdebug("adding graph skills: "+a.length);0<a.length&&(a=new CTATSkills(a),a.setExternallyDefined(!1),n.getProblemSummary().setSkills(a))};this.sendBundle=
-function(a){n.ctatdebug("sending bundle #msgs = "+a.length+", outputStatus "+K);for(var b=0,c=0;c<a.length;c++){n.ctatdebug("Sending message #"+c);var d=a[c];0>=c&&(d='<?xml version="1.0" encoding="UTF-8"?>'+d);J.forwardToInterface(d,c>=a.length-1,K)&&++b}return 0<b};this.setHintPolicy=function(a){x=CTATHintPolicyEnum.lookup(a)};this.isHighlightRightSelection=function(){return C};this.setHighlightRightSelection=function(a){C=a};this.updateSkills=function(a,b,c){var d=[];n.ctatdebug("in updateSkills("+
-b+") with step ID = "+c+", transaction result = "+a);var e=n.getProblemSummary().getSkills();if(null===e||"undefined"===typeof e)return d;b.forEach(function(b){b=e.updateSkill(a,b,c);null!==b&&"undefined"!==typeof b&&d.push(b)});return d};this.getSessionID=function(){return L};this.getProblemSummary=function(a){n.ctatdebug("Entering getProblemSummary() problemSummary "+t);if(null===t||"undefined"===typeof t){var b=n.getProblemName();t=null===b||"undefined"===typeof b||1>b.length?new CTATProblemSummary("NoProblemDefined",
-null,n.isFeedbackSuppressed()):new CTATProblemSummary(b,null,n.isFeedbackSuppressed())}a&&t.setRequiredSteps(a.countStepsForScore(A));return t};this.getProblemName=function(){return G};this.getSourceID=function(){return z};this.isSourceFlash=function(){return"string"==typeof z&&z.match(/flash/i)};this.isFeedbackSuppressed=function(){return E};this.setFeedbackSuppressed=function(a){E="false"===a?!1:"true"===a?!0:a===CTATMsgType.SHOW_ALL_FEEDBACK?!1:a===CTATMsgType.HIDE_ALL_FEEDBACK?!0:a===CTATMsgType.HIDE_BUT_ENFORCE?
-!0:a===CTATMsgType.HIDE_BUT_COMPLETE?!0:!1;n.ctatdebug("setFeedbackSuppressed("+a+"): "+E);t&&t.setCountOnlyLastResults(E)};this.getSkillBarVector=function(a,b){var c=n.getProblemSummary().getSkills();return null===c||"undefined"===typeof c?null:"Student"!=u(b)?null:"undefined"!=typeof a&&a?c.getSkillBarVector(!1,!1):c.getSkillBarVector(!0,!0)};this.startSkillTransaction=function(){var a=n.getProblemSummary().getSkills();a&&a.startTransaction()};this.getProblemStateSaver=function(){return J};this.isSendingSavedMsgsForRestore=
-function(){return n.getOutputStatus().isSendingSavedMsgsForRestore()};this.getOutputStatus=function(){return K};this.setOutputStatus=function(a){var b=K.getStatus();n.ctatdebug("setOutputStatus() old "+b+", new "+a);CTATProblemStateStatus[a]?K.setStatus(CTATProblemStateStatus[a]):(console.error("CTATExampleTracer.setOutputStatus() unexpected argument "+a),K.setStatus(CTATProblemStateStatus.empty))};this.getFeedbackPolicy=function(){return A?A.getFeedbackPolicy():CTATMsgType.SHOW_ALL_FEEDBACK};this.getGraph=
-function(){return A};this.getTracer=function(){return v};this.getOutOfOrderMessage=function(){return y?y:CTATMsgType.DEFAULT_OUT_OF_ORDER_MESSAGE};this.setOutOfOrderMessage=function(a){y=a};this.getDelayedFeedback=function(){null==M&&(M={});return M};this.clearDelayedFeedback=function(){M=null};this.getQuestionFile=function(a){if(!B||a)return B;a=B.split("/");return a[a.length-1]}};CTATExampleTracer.prototype=Object.create(CTATBase.prototype);CTATExampleTracer.prototype.constructor=CTATExampleTracer;
-"undefined"!==typeof module&&(module.exports=CTATExampleTracer);
+SCORMProblemSummary.getRawScore=function(a){var g=a.getUniqueSteps();return 0==g?0:parseInt(100*(a.getUniqueCorrectUnassisted()/g+.005))};SCORMProblemSummary.getExitReason=function(a){return SCORMProblemSummary.ExitReason.suspend};SCORMProblemSummary.getSessionTime=function(a){var g=a.getTimeElapsed();a=g%1E3;var g=(g-a)/1E3,f=g/60,d=f/60,g=g%60;9999<d&&(d=9999,f=g=99,a=990);return sprintf("%04d:%02d:%02d.%02d",d,f,g,a/10)};
+SCORMProblemSummary.getProblemSummaryElements=function(a){var g=sprintf("<%s>%s</%s>",SCORMProblemSummary.LESSON_STATUS,SCORMProblemSummary.getLessonStatus(a),SCORMProblemSummary.LESSON_STATUS),f=sprintf("<%s>%d</%s>",SCORMProblemSummary.RAW_SCORE,SCORMProblemSummary.getRawScore(a),SCORMProblemSummary.RAW_SCORE),d=sprintf("<%s>%s</%s>",SCORMProblemSummary.EXIT,SCORMProblemSummary.getExitReason(a),SCORMProblemSummary.EXIT);a=sprintf("<%s>%s</%s>",SCORMProblemSummary.SESSION_TIME,SCORMProblemSummary.getSessionTime(a),
+SCORMProblemSummary.SESSION_TIME);return g+f+d+a};CTATMsgType.prototype=Object.create(CTATBase.prototype);CTATMsgType.prototype.constructor=SCORMProblemSummary;"undefined"!==typeof module&&(module.exports=SCORMProblemSummary);var CTATExampleTracer=function(){function a(){return"example"===A&&z&&z.getModelInitialized()||"rule"===A&&F&&F.getModelInitialized()}function g(a,c){c?ea|=1<<a:(ea&=-65537>>16-a,b())}function f(a){if(r.isFeedbackSuppressed()){var b=new CTATSAI("hint","SetVisible","false"),b=(new CTATTutoringServiceMessageBuilder).createInterfaceActionMessage("dummyTransactionID",b);a.push(b)}}function d(){return"<message><verb>NotePropertySet</verb><properties><MessageType>"+CTATMsgType.INTERFACE_REBOOT+"</MessageType></properties></message>"}
+function c(a){a.unshift(d());r.ctatdebug("sendStartStateMessageStrings(): "+a.length+" elts, "+T);r.sendBundle(a)}function b(){r.ctatdebug("workTheQueue() working "+ea+", workQueue.length "+Z.length+", restoreQueue.length "+W.length);if(0==ea)for(;0!=(ea=0<Z.length|(0<W.length)<<1);){var a,b=!1;0<W.length?(U=1,a=W.shift(),b=!0):(U=0,a=Z.shift());if(!e(a,b)){r.ctatdebug("workTheQueue() suspending workQueue.length "+Z.length+", restoreQueue.length "+W.length);r.stopWorking(b?1:0);break}r.ctatdebug("workTheQueue() bottom workQueue.length "+
+Z.length+", restoreQueue.length "+W.length)}}function e(b,c){r.lastMessageAsString=b;var e=r.lastMessageAsXML=(new CTATXML).parseXML(b),f=r.lastMessage=new CTATMessage(e),g=f.getMessageType();r.ctatdebug("CTATExampleTracer.handleMessageFromInterface(msgType "+g+")");switch(g){case CTATMsgType.SET_PREFERENCES:g=G;r.ctatdebug("handleSetPreferences ()");V=f.getProperty("problem_name");r.ctatdebug("SetPreferences.problem_name = "+V);f=g.getElementChildren(g.getElementChildren(e)[1]);for(e=0;e<f.length;e++){var h=
+g.getElementName(f[e]);r.ctatdebug("SetPreferences eltName "+h);if(h)switch(h.toLowerCase()){case "source_id":P=g.getNodeTextValue(f[e]);break;case "question_file":D=g.getNodeTextValue(f[e]);break;case "skills":r.ctatdebug(" parseSkills("+f[e]+")");for(var h=[],l=G.getElementChildren(f[e]),m=0;m<l.length;m++){var n=G.getElementName(l[m]);if(n&&"skill"==n.toLowerCase()){var q=G.getElementAttr(l[m],"name");if(q&&""!=q.trim()){var n=G.getElementAttr(l[m],"label"),u=G.getElementAttr(l[m],"pSlip"),w=G.getElementAttr(l[m],
+"description"),ra=G.getElementAttr(l[m],"pKnown"),x=G.getElementAttr(l[m],"category"),y=G.getElementAttr(l[m],"pLearn"),B=G.getElementAttr(l[m],"pGuess"),C=G.getElementAttr(l[m],"history"),q=new CTATExampleTracerSkill(x,q,B,ra,u,y,C);q.setLabel(n);q.setDescription(w);h.push(q)}}}r.getProblemSummary().setSkills(new CTATSkills(h));break;case "problem_state_status":T.transition(CTATMsgType.SET_PREFERENCES,g.getNodeTextValue(f[e]));Q||(Q=new ProblemStateRestorer(r));r.ctatdebug("SetPreferences problemStateRestorer "+
+Q);break;case "curriculum_service_url":CTATConfiguration.set("curriculum_service_url",g.getNodeTextValue(f[e]));break;case "restore_problem_url":Q||(Q=new ProblemStateRestorer(r));r.ctatdebug("SetPreferences problemStateRestorer "+Q);CTATConfiguration.set("restoreProblemUrl",g.getNodeTextValue(f[e]));break;case "session_id":ka=g.getNodeTextValue(f[e]);break;case "authenticity_token":S.setAuthenticityToken(g.getNodeTextValue(f[e]))}}r.ctatdebug("questionFile "+D+", outputStatus "+T+", problemStateRestorer "+
+Q);f="undefined"!=typeof sessionStorage&&sessionStorage?sessionStorage.getItem("Go-To-State"):null;null!=f&&(sessionStorage.removeItem("Go-To-State"),f=Number(f),!Number.isSafeInteger(f)||0>=f||(ia=f,T.transition(CTATMsgType.BEGIN_GO_TO_STATE,null)));r.ctatdebug("outputStatus "+T+", problemStateRestorer "+Q);ha.retrieveProblemFile(D,g,r);Q&&Q.retrieveMessages(T);return!1;case CTATMsgType.INTERFACE_IDENTIFICATION:return!0;case CTATMsgType.UNTUTORED_ACTION:return c&&r.sendBundle([b]),g=G,f=f.getTransactionID(),
+r.ctatdebug("UntutoredAction ("+b+"), getTransactionID "+f),S.appendToProblemState(b,r.getOutputStatus(),!1),a()&&r.setVariablesFromSAI(e,g),!0;case CTATMsgType.INTERFACE_ACTION:c&&r.sendBundle([b]);r.ctatdebug("Interface action received.");g=f.getTransactionID();if(a())if(r.messageTank=new CTATMessageTank(r),r.ctatdebug("MessageTank "+r.messageTank),r.ctatdebug("InterfaceAction ("+b+"), getTransactionID "+g),h=f.getSelectionArray().slice(0),e=f.getActionArray().slice(0),r.ctatdebug("selectionArray "+
+h+", message.getSelectionArray() "+f.getSelectionArray()),h[0]&&"_tutor"==h[0].toLowerCase())r.ctatdebug("handleInterfaceAction tutor cmd SAI "+f.getSAI()+";"),e[0]&&"function"===typeof r[e[0]]&&(g=f.getSAI().getInput(),r[e[0]](g)),g=!0;else if(!h[0]||"hint"!=h[0].toLowerCase()&&"help"!=h[0].toLowerCase())r.ctatdebug("calling doNewTrace("+A+", "+f.getSAI()+") sai.selectionArray "+f.getSAI().getSelectionArray()+" msg.selectionArray "+f.getSelectionArray()),g=v(A,[null,f.getSAI(),"student",!0,g,b]);
+else{r.ctatdebug("handleInterfaceAction() hint request: hintPolicy "+R+", errorSAI "+I);R===CTATHintPolicyEnum.HINTS_UNBIASED?(1<h.length&&(h[1]=""),1<e.length&&(e[1]="")):R!==CTATHintPolicyEnum.HINTS_BIASED_BY_CURRENT_SELECTION_ONLY&&(R===CTATHintPolicyEnum.HINTS_BIASED_BY_PRIOR_ERROR_ONLY?I&&I.getSelection()?(h.splice(1,0,I.getSelection()),e.splice(1,0,"PreviousFocus")):(h[1]="",e[1]=""):R===CTATHintPolicyEnum.HINTS_BIASED_BY_ALL&&I&&I.getSelection()&&(h.splice(1,0,I.getSelection()),e[1]=CTATMsgType.PREVIOUS_FOCUS.toString()));
+r.startSkillTransaction();r.ctatdebug("ExampleTracer.doHint, givenSelection = "+h);l=f=null;if(e&&1<e.length&&e[1].toString()===CTATMsgType.PREVIOUS_FOCUS.toString()&&h&&1<h.length&&h[1]&&"null"!==h[1].toString()&&(f=h[1]!==h[0]?[h[1]]:null,2<e.length))for(r.ctatdebug("CTATExampleTracer --\x3e in doHint inner if condition"),l=[],h=2;h<e.length;h++)r.ctatdebug("CTATExampleTracer --\x3e in doHint for loop "+h),l.push(e[h]);r.ctatdebug("CTATExampleTracer --\x3e in doHint out of if condition");f=new CTATSAI(f,
+l,null);e=new CTATExampleTracerEvent(r,f,"student");e.setHintRequest(!0);e.setWantReportableHints(!0);r.ctatdebug("CTATExampleTracerTracer --\x3e in doHint result: "+e);"example"===A?(f=z.doHint(e),g=p(e,g,f)):g=F.doHint(e,g,p)?e:null}else g=!1;return g;case CTATMsgType.PROBLEM_SUMMARY_REQUEST:return g=r.getProblemSummary(),r.ctatdebug("CTATExampleTracer.ProblemSummaryRequest getProblemSummary() "+r.getProblemSummary()),f="<message><verb>NotePropertySet</verb><properties><MessageType>"+CTATMsgType.PROBLEM_SUMMARY_RESPONSE+
+"</MessageType>",f+=SCORMProblemSummary.getProblemSummaryElements(g),f+="<ProblemSummary>"+g.toXML(!0)+"</ProblemSummary>",f+="<end_of_transaction>true</end_of_transaction></properties></message>",e=[],e.push(f),r.sendBundle(e),T.transition(CTATMsgType.PROBLEM_SUMMARY_RESPONSE,g.getCompletionStatus()),r.ctatdebug("CTATExampleTracer.handleProblemSummaryRequest() sent result '"+f+"';"),!0;case CTATMsgType.START_STATE_END:return T.transition(CTATMsgType.START_STATE_END),!0;case CTATMsgType.PROBLEM_RESTORE_END:return T.transition(CTATMsgType.PROBLEM_RESTORE_END),
+g=r.getSkillBarVector(),f=[],e=new CTATTutorMessageBuilder,f.push(e.createMessage(CTATMsgType.PROBLEM_RESTORE_END,g?{Skills:g}:null)),r.sendBundle(f),!0;case CTATMsgType.GO_TO_STATE:return g=f.getProperty("nodeID"),0>g||!sessionStorage||!sessionStorage.setItem?g=!0:(sessionStorage.setItem("Go-To-State",String(g)),CTAT.ToolTutor.reboot("Go-To-State "+g+" from CTATExampleTracer")||(f=[],f.push(d()),r.ctatdebug("CTATET.handleGoToState() saved nodeID "+g+"; sending to interface\n"+f),r.sendBundle(f)),
+g=!1),g;default:return console.log("CTATExampleTracer.handleMessageFromInterface(restoring "+c+") "+(c?"sending":"unprocessed")+" message, type "+g+"\n  "+b),c&&r.sendBundle([b]),!0}}function h(a,b,c){var d={tutorAdvice:null,msg:null,msgType:null};d.tutorAdvice=a.getSuccessOrBuggyMsg();d.tutorAdvice&&d.tutorAdvice.trim()?(d.msg=c.createBuggyMessage(a.getTransactionID(),d.tutorAdvice),d.msgType="BuggyMessage"):d.tutorAdvice=null;if(a.isBuggyResult())return d;r.ctatdebug("CTATET.createBuggyMessage() past getReportableLink()");
+if(a.isDoneStepFailed())return d.tutorAdvice=CTATMsgType.NOT_DONE_MSG,d.msg=c.createBuggyMessage(a.getTransactionID(),d.tutorAdvice),d.msgType="BuggyMessage",d;r.ctatdebug("CTATET.createBuggyMessage() past isDoneStepFailed()");var e=b&&b.getTutorSAI()?b.getTutorSAI().getSelection():null,e=e&&""!==e.trim()?e:null,f=a.getStudentSAI()?a.getStudentSAI().getSelection():null,f=f&&""!==f.trim()?f:null;r.ctatdebug("CTATET.createBuggyMessage() past hintSelection0 "+e+", studentSelection0 "+f);if(a.getResult()==
+CTATExampleTracerLink.NO_MODEL&&a.isOutOfOrder()&&e&&e!=f)return r.ctatdebug("CTATET.createBuggyMessage() to create out of order"),r.isHighlightRightSelection()?(d.tutorAdvice=r.getOutOfOrderMessage(),d.msg=c.createHighlightWidgetMessage(e,b.getTutorSAI().getAction(),d.tutorAdvice,a.getTransactionID()),d.msgType="HighlightMsg",r.ctatdebug("createBuggyMessage() out of order with highlight; rtn: "+d)):(d.tutorAdvice=CTATGlobals.languageManager.getString("OUTOFORDER"),d.msg=c.createBuggyMessage(a.getTransactionID,
+d.tutorAdvice),d.msgType="BuggyMessage",r.ctatdebug("createBuggyMessage() out of order without highlight; rtn: "+d)),d;if(b="example"===A?x.getDefaultBuggyMsg():F.getDefaultBuggyMsg())return d.tutorAdvice=b,d.msg=c.createBuggyMessage(a.getTransactionID,d.tutorAdvice),d.msgType="BuggyMessage",r.ctatdebug("createBuggyMessage() default buggy msg: "+d),d;r.ctatdebug("createBuggyMessage() no buggy msg: "+d);return d}function l(a,b,c,d){r.ctatdebug("checkForTutorAction("+a+", "+b+", "+c+", "+d+")");var e=
+[];e[0]=m(x.getNode(a),!0);e[1]=m(x.getNode(b),!1);r.ctatdebug("checkForTutorAction() links[0] "+e[0]+", links[1] "+e[1]+";");a=0;e[0]===e[1]?e[1]=null:e[0]||(a=1);b=null;r.messageTank||(r.messageTank=new CTATMessageTank(r,null));for(;a<e.length&&e[a];++a)if(b=CTATGuid.guid(),c){var f=e[a].getEvaluatedInput(c,d.getReportableVariableTable()),g=e[a].getDefaultSAI().clone();g.setInput(f);b=v("example",[e[a],g,e[a].getActor(),!0,b])}else b=v("example",[e[a],e[a].getDefaultSAI(),e[a].getActor(),!0,b]);
+r.ctatdebug("checkForTutorAction() returning "+b+";");return b}function m(a,b){if(null===a||"undefined"===typeof a||1!==a.getCorrectOutDegree())return null;var c=null;a.getCorrectOutLinks().forEach(function(a){null===c&&a.isTutorPerformed(b)&&0<a.getMaxTraversals()&&(c=a)});return c}function n(a){for(var b=0;b<arguments.length;++b);for(var b={},c=0;c<arguments.length;++c){var d=arguments[c];"object"==typeof d?Object.assign(b,d):b["cf"+c]=d}return b}function p(a,b,c){c=a.getReportableHints();if(!c||
+1>c.length)c=[],c.push(CTATGlobals.languageManager.getString("NO_HINT_AVAILABLE"));var d=a.getAssociatedSkills()||[],e=a.getStepID();r.updateSkills(CTATExampleTracerSkill.HINT,d,e,a.getActor());r.ctatdebug("Before building hint message: tutorSAI "+a.getTutorSAI()+", hints "+c+", edge # "+e);d=(new CTATTutorMessageBuilder).createHintMessage(c,a.getTutorSAI(),e,b);r.messageTank.addToMessageTank(CTATMsgType.SHOW_HINTS_MESSAGE,d,a,null);b=(new CTATTutorMessageBuilder).createAssociatedRulesMessageForHint(c,
+a.getTutorSAI(),w(CTATMsgType.DEFAULT_STUDENT_ACTOR),r.getSkillBarVector(!0),e,b,n(a.getCustomFields(),{rules:a.getAssociatedRules()}));r.messageTank.addToMessageTank(CTATMsgType.ASSOCIATED_RULES,b,a,null);b=r.getProblemSummary(a.getReportableInterpretation());r.messageTank.flushMessageTank(b,!0);r.ctatdebug("handleInterfaceAction() sent hint result "+a);I=null;r.restartWorking();return a}function v(a,b){r.ctatdebug("doNewTrace ( "+a+", "+b+" )");var c=b.shift(),d=b.shift(),e=b.shift(),f=b.shift(),
+g=b.shift(),h=b.shift(),l=new CTATExampleTracerEvent(r,d,e),m=g;if(r.getOutputStatus().isComplete()&&d.isDone())return l.setResult(CTATExampleTracerLink.CORRECT_ACTION),l.setTraceOutcome(CTATExampleTracerLink.CORRECT_ACTION),l.setTutorSAI(d),l.setTransactionID(m),c=B(l,d,e,!1),r.ctatdebug("doNewTrace("+d+", "+e+", "+f+", "+m+") returns "+c),c;r.startSkillTransaction();g=function(){l.setTransactionID(m);var c=l.getMsgToRestore();c&&(r.isFeedbackSuppressed()?S.replaceInProblemState(c,r.getOutputStatus(),
+l.getStudentSAI(),x.getFeedbackPolicy()==CTATMsgType.HIDE_BUT_ENFORCE):l.getResult()!=CTATExampleTracerLink.CORRECT_ACTION&&l.getResult()!=CTATExampleTracerLink.FIREABLE_BUGGY_ACTION||S.appendToProblemState(c,r.getOutputStatus(),!1));c=B(l,d,e,f);r.ctatdebug("doNewTrace( "+a+", "+b+" ) returns "+c);r.restartWorking();return c};switch(a){case "example":return m=q(c,l,h,m),g();case "rule":return f=!1,u(l,h,g)}return null}function q(a,b,c,d){r.ctatdebug("doNewExampleTrace (link "+a+", result "+b+", origMsgTxt "+
+c+", transactionID "+d);a&&b.addPreloadedLinkMatch(a);var e=z.evaluate(b);r.ctatdebug("Evaluate returned : "+e+", given link "+a+", result "+b);a?(r.ctatdebug("result.getTutorSelection() "+b.getTutorSelection()),r.ctatdebug("result.getTutorAction() "+b.getTutorAction()),r.ctatdebug("result.getTutorInput() "+b.getTutorInput()),r.ctatdebug("typeof(messageTank) "+typeof messageTank),a=b.getTutorSelection(),c=b.getTutorAction(),b=b.getTutorInput(),d=r.messageTank.enqueueToolActionToStudent(a,c,b,CTATTutorMessageBuilder.TUTOR_PERFORMED)):
+b.setMsgToRestore(c);return d}function u(a,b,c){r.ctatdebug("DoNewRuleTrace( "+a+", "+b+" )");a.setMsgToRestore(b);return F.evaluate(a,c)}function w(a){return"undefined"!=typeof a&&a&&0<=a.toString().toLowerCase().indexOf("tutor")?"Tutor":"Student"}function B(a,b,c,d){r.ctatdebug("finishNewExampleTrace("+a+", "+b+", "+c+", "+d+")");var e=a.getStudentSAI(),f=a.getTutorSAI(),g=a.getTransactionID(),m=new CTATTutorMessageBuilder,p=a.getReportableLink()||null,q=null;b=a.getAssociatedSkills()||[];var u=
+function(){r.lastResult=a;r.getTracer()&&"function"==typeof r.getTracer().saveLastReport&&r.getTracer().saveLastReport(a);var b=r.getProblemSummary(a.getReportableInterpretation());r.ctatdebug("finishNewExampleTrace() to flushMessageTank");r.messageTank.flushMessageTank(b,!0);r.ctatdebug("finishNewExampleTrace() sent result "+a.getResult()+",\n studentSAI "+e+",\n tutorSAI "+a.getTutorSAI()+",\n successOrBuggyMsg "+a.getSuccessOrBuggyMsg());return a};if(a.isSolverResult())return a.getResult(),u();
+if(a.getResult()===CTATExampleTracerLink.CORRECT_ACTION){CTATMsgType.UNGRADED_TOOL_ACTOR.toUpperCase()!=c.toUpperCase()&&r.messageTank.addToMessageTank(CTATMsgType.CORRECT_ACTION,m.createCorrectActionMessage(g,f),a,f);r.updateSkills(CTATExampleTracerSkill.CORRECT,b,a.getStepID(),c);b=a.getSuccessOrBuggyMsg();var v=m.createAssociatedRulesMessageForAction(a.getResult(),f,w(c),e,r.getSkillBarVector(!0,c),p?p.getUniqueID():a.getStepID(),g,b,a.isOutOfOrder(),n(a.getCustomFields(),{rules:a.getAssociatedRules()}),
+a.getTraceOutcome());r.messageTank.addToMessageTank(CTATMsgType.ASSOCIATED_RULES,v,a,f);r.ctatdebug("finishNewExampleTrace() successMsg "+b);b&&r.messageTank.addToMessageTank("SuccessMessage",m.createSuccessMessage(g,b),a,null);I=null;d&&(q=l(p?p.getNextNode():null,z.findCurrentState(!1,!1),r.lastMessage?r.lastMessage.getSAI():null,a))&&(a=q);return u()}r.messageTank.addToMessageTank(CTATMsgType.INCORRECT_ACTION,m.createInCorrectActionMessage(g,a.getInterpolatedSAI()),a,null);r.ctatdebug("about to do silent traceForHint("+
+e+"), selectionArray "+e.getSelectionArray());var x=r.lastSilentHintResult=new CTATExampleTracerEvent(r,e,c);x.setHintRequest(!0);b=function(){var b=a.getAssociatedSkills()||[],n=a.getStepID()||"";r.updateSkills(CTATExampleTracerSkill.INCORRECT,b,n,c);f=a.getTutorSAI();b=h(a,x,m);r.ctatdebug("createBuggyMessage() tutorAdvice: "+b.tutorAdvice+";\n  msg "+b.msg);n=m.createAssociatedRulesMessageForAction(a.getResult(),f&&f.getSelection()?f:e,w(c),e,r.getSkillBarVector(!0,c),n,g,b.tutorAdvice,a.isOutOfOrder(),
+a.getCustomFields(),a.getTraceOutcome());r.messageTank.addToMessageTank(CTATMsgType.ASSOCIATED_RULES,n,a,null);b.msg&&r.messageTank.addToMessageTank(b.msgType,b.msg,a);I=e;d&&CTATExampleTracerLink.FIREABLE_BUGGY_ACTION==a.getResult()?(q=l(p?p.getNextNode():null,z.findCurrentState(!1,!1),r.lastMessage?r.lastMessage.getSAI():null,a))&&(a=q):a.isDoneStepFailed()&&r.messageTank.flushDelayedFeedback();return u()};if("example"===A)return y(a,x),b();"rule"===A&&C(a,x,b)}function y(a,b){var c=z.traceForHint(b);
+r.ctatdebug("silent hint result: "+b+"; hintLink "+c);c||(c=z.getBestNextLink(!1,b),r.ctatdebug("getBestNextLink result: "+b+"; hintLink "+c));c&&((c=b.getTutorSAI())&&c.getSelection()&&a.setTutorSAI(c),a.setStepID(b.getStepID()),a.setAssociatedSkills(b.getAssociatedSkills()))}function C(a,b,c){r.ctatdebug("handleRuleTraceForHint result: "+a+";\n  hintResult: "+b);return F.doHint(b,a.getTransactionID(),function(d,e){r.ctatdebug("handleRuleTraceForHint cbk: "+d+";\n  rtnResult===hintResult: "+d===
+b+"; txid===result.getTransactionID() "+e===a.getTransactionID());var f=d.getTutorSAI();f&&f.getSelection()&&a.setTutorSAI(f);a.setStepID(d.getStepID());a.setAssociatedSkills(d.getAssociatedSkills());a.setCustomFields(n(d.getCustomFields(),{rules:d.getAssociatedRules()}));c()})}CTATBase.call(this,"CTATExampleTracer","tracer");var A=null,r=this,D=null,z,F,H=null,J,x,G=new CTATXML;new XMLSerializer;var I=null,R,O=!0,L=!0,E=!1,M=null,V=null,P=null,S=new ProblemStateSaver(r);S.setAuthenticityToken(CTATCommLibrary.getAuthenticityToken());
+var Q=null,U=1,T=new CTATProblemStateStatus,W=[],Z=[],ea=0,ka="",ia=-1,fa=null;r.ctatdebug("CTATExampleTracer constructor outputStatus="+T);this.messageTank=this.lastSilentHintResult=this.lastResult=this.lastMessage=this.lastMessageAsXML=this.lastMessageAsString=null;var ha=new CTATCommLibrary;this.receiveFromInterface=function(a){r.ctatdebug("CTATExampleTracer.receiveFromInterface() \n  "+a);(/<MessageType>SetPreferences<.MessageType>/i.test(a)?W:Z).push(a);b()};this.setVariablesFromSAI=function(a,
+b){var c=CTATMsgType.getSAIArraysFromElement(a,b);switch(A){case "example":r.getTracer()&&r.getTracer().addInterfaceVariables(c.selection,c.input);break;case "rule":F.handleUntutoredAction(c)}};this.traceLinks=function(a){for(var b=[],c=r.getTracer().getBestInterpretation(),d=0;d<a.length&&null!==a[d];++d)c.getTraversalCount(a[d])<a[d].getMinTraversals()&&(r.messageTank=new CTATMessageTank(r,null),b.push(v("example",[a[d],a[d].getDefaultSAI(),a[d].getActor(),!1,null])),r.ctatdebug("traceLinks["+d+
+"] result "+b[d]));return b};this.enqueueForRestore=function(b){r.ctatdebug("enqueueForRestore() tracerReady "+a()+": got "+(b?b.length:-1)+" message elements");null==H&&null!=b&&(H=b);null!=H&&(W=W.concat(H),H=null,b=(new CTATTutorMessageBuilder).createMessage(CTATMsgType.PROBLEM_RESTORE_END,null),W.push(b),U=1,a()&&r.startWorking())};this.restartWorking=function(){"rule"===A&&g(U,!1)};this.startWorking=function(){g(U,!1)};this.stopWorking=function(a){g("undefined"!=typeof a?a:U,!0)};this.goToStartState=
+function(){var a=x.getStudentStartsHereNode()||x.getStartNode();a?r.goToState(a.getNodeName()):console.trace("goToStartState() did not find start node")};this.goToState=function(a){a=(a=x.findNode(a))?a.getNodeID():-1;0<a&&r.receiveFromInterface("<message><verb>NotePropertySet</verb><properties><MessageType>"+CTATMsgType.GO_TO_STATE+"</MessageType><nodeID>"+a+"</nodeID></properties></message>")};this.processXML=function(a){if(null!=a){A="example";r.ctatdebug("processXML (), tutorType = "+A);r.ctatdebug("No of children"+
+G.getElementChildren(a).length);var b=new CTATGraphParser,d=b.parseGraph(a,r);x=d.gr;z=d.tracer;a=d.ssm;d=d.sgMsg;r.ctatdebug("sendStartStateMessages() nMsgs "+a.length+", outputStatus "+T);for(var e=[],g=new XMLSerializer,h=null,m=0;m<a.length;m++)if("message"==G.getElementName(a[m])){var n=g.serializeToString(a[m]),p=CTATMsgType.getMessageType(n);CTATMsgType.UNTUTORED_ACTION!=p&&CTATMsgType.INTERFACE_ACTION!=p||r.setVariablesFromSAI(a[m],G);CTATMsgType.START_STATE_END==p?(f(e),h=n,e.push((new CTATTutoringServiceMessageBuilder).createInterfaceConfigurationEnd()),
+e.push((new CTATTutorMessageBuilder).createLockWidgetMsg(b.getLockWidget()))):e.push(n)}e.unshift(d);c(e);b=h;a:{a=[];d=x.getStartNode();e=CTATMsgType.START_STATE_END;g=d.getNodeID();h=null;m=ia;ia=-1;0>m&&(m=(m=x?x.getStudentStartsHereNode():null)?m.getNodeID():g);m==g?(console.trace("CTATExampleTracer.resetGoToState to transition1 destNodeID == noopNodeID",g),T.transition(e,null)):0<m&&(h=x.getNode(m));r.ctatdebug("CTATET.resetGoToState("+e+", null, "+g+") returns "+h);h||console.trace("CTATExampleTracer.resetGoToState to transition2 destNode",
+g);e=h;if(null!==d&&null!==e&&d.getNodeID()!=e.getNodeID()){a=x.getBestSubpath(d,e);r.ctatdebug("advanceToStudentStartsHere() path "+a);if(!a)break a;a=a.getSortedLinks();a=r.traceLinks(a);r.ctatdebug("advanceToStudentStartsHere() results "+a)}e=d=null;0<a.length&&(e=a[a.length-1],a=e.getReportableLink(),null!==a&&(d=a.getNextNode()));r.ctatdebug("advanceToStudentStartsHere() to check for TPA "+d+", "+e);l(d,z.findCurrentState(!1,!1),null,e)}a=[];b&&a.push(b);T.canRestore()||a.push((new CTATTutorMessageBuilder).createMessage(CTATMsgType.PROBLEM_RESTORE_END,
+null));0<a.length&&r.sendBundle(a);z.setModelInitialized(!0)}r.startWorking()};this.processNools=function(a){var b=new CTATTutorMessageBuilder;A="rule";F=new CTATRuleTracer("nools",r);F.initEngine(a,function(a,d){r.ctatdebug("nools engine compiled");var e;e=new CTATTutorMessageBuilder;var g=d.suppressStudentFeedback;if(null===g||void 0===g)g=CTATMsgType.SHOW_ALL_FEEDBACK;r.setFeedbackSuppressed(g);var h=d.highlightRightSelection;r.setHighlightRightSelection("false"!=h);var l=d.confirmDone;r.setConfirmDone("true"===
+l?!0:"false"===l?!1:g===CTATMsgType.HIDE_ALL_FEEDBACK);g=d.lockWidget;r.setHintPolicy(d.hintPolicy);r.setOutOfOrderMessage(d.outOfOrderMessage);e=e.createStateGraphMessage("false","false",g,r.isFeedbackSuppressed(),h,String(r.getConfirmDone()),[]);h=[];f(a);a.push((new CTATTutoringServiceMessageBuilder).createInterfaceConfigurationEnd());a.push(b.createLockWidgetMsg(d.lockWidget));a.unshift(e);c(a);h.push("<message><verb>SendNoteProperty</verb><properties><MessageType>StartStateEnd</MessageType></properties></message>");
+T.canRestore()||h.push(b.createMessage(CTATMsgType.PROBLEM_RESTORE_END,null));r.sendBundle(h);r.enqueueForRestore();r.startWorking()},function(a){console.log("error starting nools engine: "+a)},CTATConfiguration.get("use_backtracking"))};this.setConfirmDone=function(a){O=a};this.getConfirmDone=function(){return O};this.addGraphSkills=function(a){r.ctatdebug("adding graph skills: "+a.length);0<a.length&&(a=new CTATSkills(a),a.setExternallyDefined(!1),r.getProblemSummary().setSkills(a))};this.getGraphSkills=
+function(){var a=r.getProblemSummary().getSkills();return a?a.getAllSkills():[]};this.sendBundle=function(a){r.ctatdebug("sending bundle #msgs = "+a.length+", outputStatus "+T);for(var b=0,c=0;c<a.length;c++){r.ctatdebug("Sending message #"+c);var d=a[c];0>=c&&(d='<?xml version="1.0" encoding="UTF-8"?>'+d);S.forwardToInterface(d,c>=a.length-1,T)&&++b}return 0<b};this.getHintPolicy=function(){return R};this.setHintPolicy=function(a){R=CTATHintPolicyEnum.lookup(a)};this.isHighlightRightSelection=function(){return L};
+this.setHighlightRightSelection=function(a){L=a};this.updateSkills=function(a,b,c,d){var e=[];r.ctatdebug("in updateSkills("+b+") with step ID = "+c+", transaction result = "+a+", outputStatus "+r.getOutputStatus()+", actor "+d);if(!r.getOutputStatus().countForProblemSummary()||d&&!/^(student)?$/i.test(d))return e;var f=r.getProblemSummary().getSkills();if(!f)return e;b.forEach(function(b){(b=f.updateSkill(a,b,c))&&e.push(b)});return e};this.getSessionID=function(){return ka};this.getProblemSummary=
+function(a){r.ctatdebug("Entering getProblemSummary() problemSummary "+M);if(null===M||"undefined"===typeof M){var b=r.getProblemName();M=null===b||"undefined"===typeof b||1>b.length?new CTATProblemSummary("NoProblemDefined",null,r.isFeedbackSuppressed()):new CTATProblemSummary(b,null,r.isFeedbackSuppressed())}a&&M.setRequiredSteps(a.countStepsForScore(x));return M};this.getProblemName=function(){return V};this.getSourceID=function(){return P};this.isSourceFlash=function(){return"string"==typeof P&&
+P.match(/flash/i)};this.isFeedbackSuppressed=function(){return E};this.setFeedbackSuppressed=function(a){E="false"===a?!1:"true"===a?!0:a===CTATMsgType.SHOW_ALL_FEEDBACK?!1:a===CTATMsgType.HIDE_ALL_FEEDBACK?!0:a===CTATMsgType.HIDE_BUT_ENFORCE?!0:a===CTATMsgType.HIDE_BUT_COMPLETE?!0:!1;r.ctatdebug("setFeedbackSuppressed("+a+"): "+E);M&&M.setCountOnlyLastResults(E)};this.getSkillBarVector=function(a,b){var c=r.getProblemSummary().getSkills();return null===c||"undefined"===typeof c?null:"Student"!=w(b)?
+null:"undefined"!=typeof a&&a?c.getSkillBarVector(!1,!1):c.getSkillBarVector(!0,!0)};this.startSkillTransaction=function(){var a=r.getProblemSummary().getSkills();a&&a.startTransaction()};this.getProblemStateSaver=function(){return S};this.isSendingSavedMsgsForRestore=function(){return r.getOutputStatus().isSendingSavedMsgsForRestore()};this.getOutputStatus=function(){return T};this.setOutputStatus=function(a){var b=T.getStatus();r.ctatdebug("setOutputStatus() old "+b+", new "+a);CTATProblemStateStatus[a]?
+T.setStatus(CTATProblemStateStatus[a]):(console.error("CTATExampleTracer.setOutputStatus() unexpected argument "+a),T.setStatus(CTATProblemStateStatus.empty))};this.getFeedbackPolicy=function(){return x?x.getFeedbackPolicy():CTATMsgType.SHOW_ALL_FEEDBACK};this.getGraph=function(){return x};this.getTracer=function(){return z};this.getRuleTracer=function(){return F};this.getOutOfOrderMessage=function(){return J?J:CTATMsgType.DEFAULT_OUT_OF_ORDER_MESSAGE};this.setOutOfOrderMessage=function(a){J=a};this.getDelayedFeedback=
+function(){null==fa&&(fa={});return fa};this.clearDelayedFeedback=function(){fa=null};this.getQuestionFile=function(a){if(!D||a)return D;a=D.split("/");return a[a.length-1]};this.addTPAToMessageTank=function(a,b,c,d){r.messageTank.enqueueToolActionToStudent(a,b,c,d)}};CTATExampleTracer.prototype=Object.create(CTATBase.prototype);CTATExampleTracer.prototype.constructor=CTATExampleTracer;"undefined"!==typeof module&&(module.exports=CTATExampleTracer);
diff --git a/HTML/Assets/mail-worker.js b/HTML/Assets/mail-worker.js
index 2963f5d..2c93da5 100644
--- a/HTML/Assets/mail-worker.js
+++ b/HTML/Assets/mail-worker.js
@@ -1,5 +1,6 @@
 var process_transactions_url = null;
 var process_detectors_url = null;
+var x_api_key_header = null;
 var authenticity_token = "";
 var txAssembler = null;
 var detectors = [];
@@ -36,6 +37,7 @@ self.onmessage = function ( e ) {
 	case "process_transactions_url":
 		process_transactions_url = e.data.process_transactions_url;
 		process_detectors_url = e.data.process_detectors_url;
+		x_api_key_header = e.data.x_api_key_header;
 		authenticity_token = e.data.authenticity_token;
 		break;
 	case "connectTransactionAssembler":
@@ -74,6 +76,7 @@ setInterval(function()
 		//xhttp.send( JSON.stringify(trans) );
 		xhttp.open("POST", process_transactions_url, true);  // fake_server.php
 		xhttp.setRequestHeader("Content-type", "application/json");
+		xhttp.setRequestHeader("x-api-key", x_api_key_header);
 		xhttp.send( JSON.stringify(trans) );
 	}
 	else{
@@ -99,6 +102,7 @@ setInterval(function()
 		//xhttp.send( JSON.stringify(detect) );
 		xhttp.open("POST", process_detectors_url, true);  // fake_server.php
 		xhttp.setRequestHeader("Content-type", "application/json");
+		xhttp.setRequestHeader("x-api-key", x_api_key_header);
 		xhttp.send( JSON.stringify(detect) );
 	}
 	else{
diff --git a/HTML/Assets/networking_for_replay/mail-worker.js b/HTML/Assets/networking_for_replay/mail-worker.js
index 8cf84a2..061bdcc 100644
--- a/HTML/Assets/networking_for_replay/mail-worker.js
+++ b/HTML/Assets/networking_for_replay/mail-worker.js
@@ -1,5 +1,6 @@
 var process_transactions_url = null;
 var process_detectors_url = null;
+var x_api_key_header = null;
 var authenticity_token = "";
 var txAssembler = null;
 var detectors = [];
@@ -43,6 +44,7 @@ self.onmessage = function ( e ) {
 	case "process_transactions_url":
 		process_transactions_url = e.data.process_transactions_url;
 		process_detectors_url = e.data.process_detectors_url;
+		x_api_key_header = e.data.x_api_key_header;
 		authenticity_token = e.data.authenticity_token;
 		break;
 	case "connectTransactionAssembler":
@@ -81,6 +83,7 @@ setInterval(function()
 		//xhttp.send( JSON.stringify(trans) );
 		xhttp.open("POST", process_transactions_url, true);  // fake_server.php
 		xhttp.setRequestHeader("Content-type", "application/json");
+		xhttp.setRequestHeader("x-api-key", x_api_key_header);
 		xhttp.send( JSON.stringify(trans) );
 	}
 	else{
@@ -106,6 +109,7 @@ setInterval(function()
 		//xhttp.send( JSON.stringify(detect) );
 		xhttp.open("POST", process_detectors_url, true);  // fake_server.php
 		xhttp.setRequestHeader("Content-type", "application/json");
+		xhttp.setRequestHeader("x-api-key", x_api_key_header);
 		xhttp.send( JSON.stringify(detect) );
 
 	}
diff --git a/HTML/Assets/networking_for_replay/transaction_mailer_users.js b/HTML/Assets/networking_for_replay/transaction_mailer_users.js
index f58faa4..735156e 100644
--- a/HTML/Assets/networking_for_replay/transaction_mailer_users.js
+++ b/HTML/Assets/networking_for_replay/transaction_mailer_users.js
@@ -20,7 +20,7 @@ TransactionMailerUsers =
 var init = "";
 
 
-TransactionMailerUsers.create = function(path, txDestURL, scriptsDestURL, authToken, scriptsInitzer)
+TransactionMailerUsers.create = function(path, txDestURL, scriptsDestURL, authToken, scriptsInitzer, xApiKeyHeader)
 {
 
     console.log("TransactionMailerUsers.create(): at entry, init", init );
@@ -33,10 +33,18 @@ TransactionMailerUsers.create = function(path, txDestURL, scriptsDestURL, authTo
         parent.parent.initWorker.port.postMessage(["newDetectorResult", e.data]);
     }, false);
 
-    TransactionMailerUsers.mailer.postMessage({ command: "process_transactions_url", "process_transactions_url": txDestURL, "process_detectors_url": scriptsDestURL, "authenticity_token": authToken});
     TransactionMailerUsers.process_transactions_url = txDestURL;
     TransactionMailerUsers.authenticity_token = authToken;
     TransactionMailerUsers.process_detectors_url = scriptsDestURL;
+    TransactionMailerUsers.x_api_key_header = (xApiKeyHeader? xApiKeyHeader : "");
+
+    TransactionMailerUsers.mailer.postMessage({
+        command: "process_transactions_url",
+        process_transactions_url: TransactionMailerUsers.process_transactions_url,
+        process_detectors_url: TransactionMailerUsers.process_detectors_url,
+        x_api_key_header: TransactionMailerUsers.x_api_key_header,
+        authenticity_token: TransactionMailerUsers.authenticity_token
+    });
 
     var channel = new MessageChannel();
     TransactionMailerUsers.mailer.postMessage(
diff --git a/HTML/Assets/transaction_mailer_users.js b/HTML/Assets/transaction_mailer_users.js
index cd638ae..0bf09a2 100644
--- a/HTML/Assets/transaction_mailer_users.js
+++ b/HTML/Assets/transaction_mailer_users.js
@@ -17,16 +17,24 @@ TransactionMailerUsers =
     active: []
 };
 
-TransactionMailerUsers.create = function(path, txDestURL, scriptsDestURL, authToken, scriptsInitzer)
+TransactionMailerUsers.create = function(path, txDestURL, scriptsDestURL, authToken, scriptsInitzer, xApiKeyHeader)
 {
     console.log("TransactionMailerUsers.create(): at entry, scriptsInitzer ", scriptsInitzer );
 
     TransactionMailerUsers.mailer = new Worker(path+'/'+TransactionMailerUsers.mailerURL);
     
-    TransactionMailerUsers.mailer.postMessage({ command: "process_transactions_url", "process_transactions_url": txDestURL, "process_detectors_url": scriptsDestURL, "authenticity_token": authToken});
     TransactionMailerUsers.process_transactions_url = txDestURL;
     TransactionMailerUsers.authenticity_token = authToken;
     TransactionMailerUsers.process_detectors_url = scriptsDestURL;
+    TransactionMailerUsers.x_api_key_header = (xApiKeyHeader? xApiKeyHeader : "");
+
+    TransactionMailerUsers.mailer.postMessage({
+        command: "process_transactions_url",
+        process_transactions_url: TransactionMailerUsers.process_transactions_url,
+        process_detectors_url: TransactionMailerUsers.process_detectors_url,
+        x_api_key_header: TransactionMailerUsers.x_api_key_header,
+        authenticity_token: TransactionMailerUsers.authenticity_token
+    });
 
     var channel = new MessageChannel();
     TransactionMailerUsers.mailer.postMessage(
diff --git a/HTML/Assets/tutor_adaptivity/mail-worker.js b/HTML/Assets/tutor_adaptivity/mail-worker.js
index 0e9c0b0..ea3b69b 100644
--- a/HTML/Assets/tutor_adaptivity/mail-worker.js
+++ b/HTML/Assets/tutor_adaptivity/mail-worker.js
@@ -1,5 +1,6 @@
 var process_transactions_url = null;
 var process_detectors_url = null;
+var x_api_key_header = null;
 var authenticity_token = "";
 var txAssembler = null;
 var detectors = [];
@@ -36,6 +37,7 @@ self.onmessage = function ( e ) {
 	case "process_transactions_url":
 		process_transactions_url = e.data.process_transactions_url;
 		process_detectors_url = e.data.process_detectors_url;
+		x_api_key_header = e.data.x_api_key_header;
 		authenticity_token = e.data.authenticity_token;
 		break;
 	case "connectTransactionAssembler":
@@ -74,6 +76,7 @@ setInterval(function()
 		//xhttp.send( JSON.stringify(trans) );
 		xhttp.open("POST", process_transactions_url, true);  // fake_server.php
 		xhttp.setRequestHeader("Content-type", "application/json");
+		xhttp.setRequestHeader("x-api-key", x_api_key_header);
 		xhttp.send( JSON.stringify(trans) );
 	}
 	else{
@@ -99,6 +102,7 @@ setInterval(function()
 		//xhttp.send( JSON.stringify(detect) );
 		xhttp.open("POST", process_detectors_url, true);  // fake_server.php
 		xhttp.setRequestHeader("Content-type", "application/json");
+		xhttp.setRequestHeader("x-api-key", x_api_key_header);
 		xhttp.send( JSON.stringify(detect) );
 	}
 	else{
diff --git a/HTML/Assets/tutor_adaptivity/transaction_mailer_users.js b/HTML/Assets/tutor_adaptivity/transaction_mailer_users.js
index 751735e..23c4b96 100644
--- a/HTML/Assets/tutor_adaptivity/transaction_mailer_users.js
+++ b/HTML/Assets/tutor_adaptivity/transaction_mailer_users.js
@@ -13,16 +13,24 @@ TransactionMailerUsers =
     active: []
 };
 
-TransactionMailerUsers.create = function(path, txDestURL, scriptsDestURL, authToken, scriptsInitzer)
+TransactionMailerUsers.create = function(path, txDestURL, scriptsDestURL, authToken, scriptsInitzer, xApiKeyHeader)
 {
     console.log("TransactionMailerUsers.create(): at entry, scriptsInitzer ", scriptsInitzer );
 
     TransactionMailerUsers.mailer = new Worker(path+'/'+TransactionMailerUsers.mailerURL);
     
-    TransactionMailerUsers.mailer.postMessage({ command: "process_transactions_url", "process_transactions_url": txDestURL, "process_detectors_url": scriptsDestURL, "authenticity_token": authToken});
     TransactionMailerUsers.process_transactions_url = txDestURL;
     TransactionMailerUsers.authenticity_token = authToken;
     TransactionMailerUsers.process_detectors_url = scriptsDestURL;
+    TransactionMailerUsers.x_api_key_header = (xApiKeyHeader? xApiKeyHeader : "");
+
+    TransactionMailerUsers.mailer.postMessage({
+        command: "process_transactions_url",
+        process_transactions_url: TransactionMailerUsers.process_transactions_url,
+        process_detectors_url: TransactionMailerUsers.process_detectors_url,
+        x_api_key_header: TransactionMailerUsers.x_api_key_header,
+        authenticity_token: TransactionMailerUsers.authenticity_token
+    });
 
     var channel = new MessageChannel();
     TransactionMailerUsers.mailer.postMessage(