main.js

/*jslint vars: true, plusplus: true, devel: true, nomen: true, regexp: true, indent: 4, maxerr: 50 */
/*global define, $, app, window */

function isDefault(element)
{
    return element.defaultDiagram;
}

function _handleOpenLinkedDiagram()
{
    var selectedModels = app.selections.getSelectedModels();

    if(selectedModels.length == 0)
    {
        app.toast.warning("No items selected.");
        return;
    }
    else if(selectedModels.length > 1) {
        app.toast.warning("Select only one item.");
        return;
    }

    var element = app.selections.getSelected();    
    if (element)
    {
        var foundDiagrams = [];

        element.ownedElements.forEach(function(ele)
        {
            if (ele instanceof type.UMLDiagram ||
                ele instanceof type.ERDDiagram ||
                ele instanceof type.FCFlowchartDiagram ||
                ele instanceof type.DFDDiagram)
            {
                foundDiagrams.push(ele);
            }
            else if(ele.ownedElements)
            {
                ele.ownedElements.forEach(function(innerEle)
                {
                    if (innerEle instanceof type.UMLDiagram ||
                        innerEle instanceof type.ERDDiagram ||
                        innerEle instanceof type.FCFlowchartDiagram ||
                        innerEle instanceof type.DFDDiagram)
                    {
                        foundDiagrams.push(innerEle);
                    }
                });
            }
        });

        if (foundDiagrams.length < 1)
        {
            app.toast.error("No linked diagram found.");
        }
        else
        {
            var defaultDiagrams = foundDiagrams.filter(isDefault);

            var openDiagram = function(diagram)
            {
                if (diagram)
                {
                    app.modelExplorer.select(diagram, true)
                    app.diagrams.setCurrentDiagram(diagram, false);
                }
            }

            if (defaultDiagrams.length == 1)
                openDiagram(defaultDiagrams[0]);
            else if(foundDiagrams.length == 1)
                openDiagram(foundDiagrams[0]);
            else
            {
                var dlg = app.elementListPickerDialog.showDialog("Select a linked diagram to open", foundDiagrams).then(function ({buttonId, returnValue})
                {
                    if (buttonId === 'ok')
                        openDiagram(returnValue);
                });
            }

        }
    }
    else
    {
        app.toast.warning("Nothing selected.");
    }
}

/** Initialize Extension */
function init()
{
    var CMD_OPEN_LINKED_DIAGRAM = "linked_diagram_navigator:open_linked_diagram";
    app.commands.register(CMD_OPEN_LINKED_DIAGRAM, _handleOpenLinkedDiagram);
}

exports.init = init;