public class DesktopActivity extends AbstractActivity<IsWidget> {
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	public DesktopActivity() {
		super("Desktop", null);
		logger.info("create new DesktopActivity");

		AppController.getINSTANCE().getClientFactory().getEventBus()
				.addHandler(StartActivityDisplay.TYPE, new StartActivityDisplayEventHandler() {
					@Override
					public void onEvent(StartActivityDisplay event) {
						if (event.getWidget() != null) {
							DesktopActivity.getContentPanel().clear();
// add view to center ....							DesktopActivity.getContentPanel().setWidget(event.getWidget());

						}
					}
				});
	}

	private static void initView() {
		Viewport p = AppController.getINSTANCE().getClientFactory().getViewport();
		desktopView = new DesktopView();
		p.add(desktopView.asWidget());
		p.forceLayout();

	}

	public static ContentPanel getContentPanel() {
		if (desktopView == null) {
			initView();
		}
		return desktopView.getContentPanel();
	}
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}