GWT之onBrowserEvent

/**
	 * onBrowserEvent事件例子
	 */
	private void toBrowserEvent(){
		TextBox textBox = new TextBox(){
			@Override
			public void onBrowserEvent(Event event) {
				int type = DOM.eventGetType(event);
				if((type & Event.KEYEVENTS) != 0
						|| (type & Event.MOUSEEVENTS) != 0){
					Window.alert("收集事件信息");
				}
				super.onBrowserEvent(event);
			}
		};
		//手工注册事件
		//或者可以采用addXXXListener/addXXXHandler
		textBox.sinkEvents(Event.KEYEVENTS);
		textBox.sinkEvents(Event.MOUSEEVENTS);
		RootPanel.get().add(textBox);
	}