// initialized before we add our event handlers. This should be
// called indirectly form within DockingManager, and we should have
// uninstall capability as well.
Class c = DockingManager.class;
EventManager.addHandler(new RegistrationHandler());
EventManager.addHandler(PerspectiveEventHandler.getInstance());
EventManager.addHandler(new LayoutEventHandler());
EventManager.addListener(UPDATE_LISTENER);