public class WindowCloseHandlerAddon {
	private static final Logger logger = LoggerFactory.getLogger(WindowCloseHandlerAddon.class);
	@Inject private IEventBroker eventBroker;
	
	private EventHandler handler = new EventHandler() {
		@Override
		public void handleEvent(Event event) {
			if (!UIEvents.isSET(event))
				return;
			Object origin = event.getProperty(UIEvents.EventTags.ELEMENT);
			if (!(origin instanceof MPart))
				return;
			MPart contextPart = (MPart) origin;
			MWindow contextWindow = contextPart.getContext().get(MWindow.class);
			IEclipseContext eclipseContext = contextWindow.getContext();

			logger.info("Placing IWindowCloseHandler in window {}", contextWindow.getElementId()); //$NON-NLS-1$
			eclipseContext.set(IWindowCloseHandler.class, new IWindowCloseHandler() {
				@Override
				public boolean close(MWindow windowParam) {
					logger.info("My IWindowCloseHandler was called for window: {}", windowParam.getElementId()); //$NON-NLS-1$
					return true;
				}
			});
			eventBroker.unsubscribe(this);
		}
	};
	
	@PostConstruct
	public void init() {
		//String topic = UIEvents.Context.TOPIC_CONTEXT;
		String topic = UIEvents.UIElement.TOPIC_WIDGET;
		eventBroker.subscribe(topic, handler);
	}
}

eventBroker.subscribe("org/eclipse/e4/ui/*", new EventHandler() {
	@Override
	public void handleEvent(Event event) {
		if (!UIEvents.isADD(event))
			return;
		logger.info("Event: {}, Origin: {}", event, event.getProperty(UIEvents.EventTags.ELEMENT)); //$NON-NLS-1$
	}
});

@Inject
	@Optional
	public void test(@UIEventTopic(UIEvents.ElementContainer.TOPIC_SELECTEDELEMENT) Event o ){
		
		if (o!=null) {
			Object mui = o.getProperty(UIEvents.EventTags.ELEMENT);
			if ((mui instanceof MApplication))
					
			{
			MWindow win = (MWindow) o.getProperty(UIEvents.EventTags.NEW_VALUE);
			System.err.println(win);
			}
			
		}
		
	}

public class LifeCycleManager {
	private ISaveHandler saveHandler;
	private IWindowCloseHandler windowCloseHandler;

	private final HashSet<MWindow> processed = new HashSet<MWindow>();

	private final EventHandler windowHandler = new EventHandler() {
		@Override
		public void handleEvent(Event event) {
			if (!UIEvents.isSET(event))
				return;

			Object element = event.getProperty(UIEvents.EventTags.ELEMENT);
			if (!(element instanceof MWindow))
				return;

			MWindow window = (MWindow) element;
			if (!processed.add(window))
				return;

			IEclipseContext context = window.getContext();
			context.set(ISaveHandler.class, saveHandler);
			context.set(IWindowCloseHandler.class, windowCloseHandler);
		}
	};

	@PostContextCreate
	public void startup(IEclipseContext context, IEventBroker eventBroker) {
		saveHandler = ContextInjectionFactory.make(PartSaveHandler.class, context);
		windowCloseHandler = ContextInjectionFactory.make(WindowCloseHandler.class, context);

		eventBroker.subscribe(UIEvents.Window.TOPIC_X, windowHandler);
	}
}

         <property
               name="lifeCycleURI"
               value="bundleclass://com.example.editor/com.example.editor.handlers.LifeCycleManager">
         </property>