/*
     * (non-Javadoc)
     * @see org.eclipse.sapphire.ui.SapphireActionHandler#run(org.eclipse.sapphire.ui.SapphireRenderingContext)
     */
    @Override
    protected Object run(SapphireRenderingContext context) {

      final IModelElement rootModel = context.getPart().getModelElement();
      final ModelProperty modelProperty =
          rootModel.getModelElementType().getProperty(this.strModelProperty);
      Object obj = rootModel.read(modelProperty);
      IModelElement mElement = null;

      if (obj instanceof ModelElementList<?>) {
        // System.out.println( "QuickActionsHandlerFactory.Handler.run()" + obj.getClass() );
        ModelElementList<?> list = (ModelElementList<?>) obj;
        mElement = list.addNewElement();
      } else {
        throw new UnsupportedOperationException(
            Resources.bind(Resources.unsuportedOperation, this.strModelProperty));
      }

      // Select the ndoe
      final MasterDetailsEditorPagePart page = getPart().nearest(MasterDetailsEditorPagePart.class);
      final MasterDetailsContentNode root = page.getContentOutline().getRoot();
      final MasterDetailsContentNode node = root.findNodeByModelElement(mElement);
      if (node != null) {
        node.select();
      }

      return mElement;
    }