public void fillActionBars(IWorkbenchWindow window,

            IActionBarConfigurer configurer, int flags) {

        IMenuManager menuBar = configurer.getMenuManager();

        MenuManager fileMenu = new MenuManager("File",

                IWorkbenchActionConstants.M_FILE);

        fileMenu.add(new GroupMarker(IWorkbenchActionConstants.FILE_START));

        fileMenu.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));

        fileMenu.add(ActionFactory.QUIT.create(window));

        fileMenu.add(new GroupMarker(IWorkbenchActionConstants.FILE_END));

        menuBar.add(fileMenu);

   }