在不同的Perspective中隐藏或显示菜单或工具栏

configurer.getWindowConfigurer().getWindow().addPerspectiveListener(new IPerspectiveListener {
		public void perspectiveActivated(IWorkbenchPage page, IPerspectiveDescriptor perspective) {
			if(perspective.getId().equals(STANDARD_PERSPECTIVE_ID)){
				configurer.getWindowConfigurer().setShowMenuBar(false);
			} else {
				configurer.getWindowConfigurer().setShowMenuBar(true);
			}
		}
		public void perspectiveChanged(IWorkbenchPage page, IPerspectiveDescriptor perspective, String changeId) {}
	});