RCP给视图添加工具菜单和右键菜单

private void makeActions() {
        action1 = new Action() {
            public void run() {
                showMessage("Action 1 executed");
            }
        };
        action1.setText("Action 1");
        action1.setToolTipText("Action 1 tooltip");
        action1.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().
                getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK));
        action2 = new Action() {
            public void run() {
                showMessage("Action 2 executed");
            }
        };
        action2.setText("Action 2");
        action2.setToolTipText("Action 2 tooltip");
        action2.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().
                getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK));
        contributeToActionBars();
    }
    
    private void contributeToActionBars() {
    	//获得视图的操作栏对象
    	IActionBars bars = getViewSite().getActionBars();
    	//添加下拉菜单
    	fillLocalPullDown(bars.getMenuManager());
    	//添加工具栏
    	fillLocalToolBar(bars.getToolBarManager());
    	hookContenxtMenu();
    }
    
    //添加下拉菜单
    private void fillLocalPullDown(IMenuManager manager) {
    	manager.add(action1);
    	manager.add(new Separator());
    	manager.add(action2);
    }
    
    //添加工具栏
    private void fillLocalToolBar(IToolBarManager manager) {
    	manager.add(action1);
    	manager.add(action2);
    }
    
    private void hookContenxtMenu() {
    	//创建菜单管理器对象
    	MenuManager menuMgr = new MenuManager("#PopupMenu");
    	menuMgr.add(action1);
    	menuMgr.add(action2);
    	menuMgr.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
    	
    	//为列表对象创建上下文菜单
    	Menu menu = menuMgr.createContextMenu(viewer.getControl());
    	//设置菜单
    	viewer.getControl().setMenu(menu);
    	//注册上下文菜单
    	getSite().registerContextMenu(menuMgr, viewer);
    	
    }