/*
   * (non-Javadoc)
   *
   * @see
   * org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer#processContents
   * (org.eclipse.e4.ui.model.application.ui.MElementContainer)
   */
  @Override
  public void processContents(MElementContainer<MUIElement> container) {
    if (container.getChildren().size() == 0) {
      Object obj = container.getWidget();
      if (obj instanceof MenuItem) {
        MenuItem mi = (MenuItem) obj;
        if (mi.getMenu() == null) {
          mi.setMenu(new Menu(mi));
        }
        Menu menu = mi.getMenu();
        MenuItem menuItem = new MenuItem(menu, SWT.PUSH);
        menuItem.setText(MenuManagerRendererFilter.NUL_MENU_ITEM);
        menuItem.setEnabled(false);
      }
    }

    super.processContents(container);

    Object obj = container.getWidget();
    Object menuObj = container;
    if ((obj instanceof Menu)
        && (((Menu) obj).getStyle() & SWT.BAR) != 0
        && (menuObj instanceof MMenu)) {
      MMenu menuModel = (MMenu) menuObj;
      IEclipseContext ctx = getContext(container);
      ExpressionContext eContext = new ExpressionContext(ctx);
      ArrayList<MMenuContribution> toContribute = new ArrayList<MMenuContribution>();
      ContributionsAnalyzer.gatherMenuContributions(
          menuModel,
          application.getMenuContributions(),
          menuModel.getElementId(),
          toContribute,
          eContext,
          false);
      addMenuBarContributions(menuModel, toContribute, ctx, eContext);
    }
  }