/** Construct an instance of SaveDiagramAction. */
 public SaveDiagramAction(DiagramEditor editor) {
   super();
   setImageDescriptor(
       DiagramUiPlugin.getDefault().getImageDescriptor(DiagramUiConstants.Images.SAVE_DIAGRAM));
   this.editor = editor;
 }
 /** Construct and register actions. */
 private void initActions() {
   findXsdComponentAction = new FindXsdComponentAction();
   DiagramUiPlugin.registerDiagramActionForSelection(findXsdComponentAction);
 }