protected void doMenuStuff(Composite parent) {
		MenuManager menuManager = new MenuManager("#PopupMenu"); 
		menuManager.setRemoveAllWhenShown(true);
		final Shell shell = jbTreeTable.getShell();
		menuManager.addMenuListener(new IMenuListener() {
			public void menuAboutToShow(IMenuManager mgr) {
			// add some actions				}
		});
		Menu menu = menuManager.createContextMenu(parent);
		jbTreeTable.setMenu(menu);
	}