create comlex object for image selection

src/main/java/ai/nets/samj/gui/ImageSelection.java

@@ -1,19 +1,76 @@
 package ai.nets.samj.gui;
 
+import java.util.List;
+import java.util.stream.IntStream;
+
+import javax.swing.DefaultComboBoxModel;
 import javax.swing.JComboBox;
+import javax.swing.event.PopupMenuEvent;
+import javax.swing.event.PopupMenuListener;
 
 import ai.nets.samj.gui.components.ComboBoxButtonComp;
 import ai.nets.samj.gui.components.ComboBoxItem;
+import ai.nets.samj.ui.UtilityMethods;
+
+public class ImageSelection extends ComboBoxButtonComp<ComboBoxItem> implements PopupMenuListener {
 
-public class ImageSelection extends ComboBoxButtonComp<ComboBoxItem> {
+	private final UtilityMethods consumerUtils;
+	private final ImageSelectionListener listener;
 
+	private ComboBoxItem selected;
 
 	private static final long serialVersionUID = 2478618937640492286L;
 
-	public ImageSelection() {
+	private ImageSelection(UtilityMethods consumerUtils, ImageSelectionListener listener) {
 		super(new JComboBox<ComboBoxItem>());
-		this.cmbBox.setModel(null);
+		this.consumerUtils = consumerUtils;
+		this.listener = listener;
+		List<ComboBoxItem> listImages = this.consumerUtils.getListOfOpenImages();
+		for(ComboBoxItem item : listImages)
+			this.cmbBox.addItem(item);
+	}
+
+	protected ImageSelection create(UtilityMethods consumerUtils, ImageSelectionListener listener) {
+		return new ImageSelection(consumerUtils, listener);
+	}
+
+	protected Object getSelectedObject() {
+		return ((ComboBoxItem) this.cmbBox.getSelectedItem()).getValue();
+	}
+
+	@Override
+	public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
+		Object item = this.cmbBox.getSelectedItem();
+        List<ComboBoxItem> openSeqs = consumerUtils.getListOfOpenImages();
+        ComboBoxItem[] objects = new ComboBoxItem[openSeqs.size()];
+        for (int i = 0; i < objects.length; i ++) objects[i] = openSeqs.get(i);
+        DefaultComboBoxModel<ComboBoxItem> comboBoxModel = new DefaultComboBoxModel<ComboBoxItem>(objects);
+        this.cmbBox.setModel(comboBoxModel);
+        if (item != null && objects.length != 0) 
+        	this.cmbBox.setSelectedIndex(
+        			IntStream.range(0, objects.length).filter(i -> objects[i].getId() == ((ComboBoxItem) item).getId()).findFirst().orElse(0)
+        			);
+	}
+
+	@Override
+	public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
+		ComboBoxItem item = (ComboBoxItem) this.cmbBox.getSelectedItem();
+		if (selected != item) {
+			listener.modelActionsOnImageChanged();
+			listener.imageActionsOnImageChanged();
+		}
+	}
+
+	@Override
+	public void popupMenuCanceled(PopupMenuEvent e) {
+
+	}
+
+	public interface ImageSelectionListener {
 
+	    void modelActionsOnImageChanged();
+
+	    void imageActionsOnImageChanged();
 	}
 
 }

src/main/java/ai/nets/samj/gui/ModelSelection.java

@@ -2,6 +2,7 @@
 
 import java.util.List;
 
+import javax.swing.JButton;
 import javax.swing.JComboBox;
 import javax.swing.event.PopupMenuEvent;
 import javax.swing.event.PopupMenuListener;
@@ -33,6 +34,10 @@ private ModelSelection(List<Model> models, ModelSelectionListener listener) {
 	protected ModelSelection create(List<Model> models, ModelSelectionListener listener) {
 		return new ModelSelection(models, listener);
 	}
+
+	protected JButton getButton() {
+		return this.btn;
+	}
 
 	@Override
 	/**