private class Second extends SWTModuleController {
	public Second(final IModuleNode navigationNode) {
	super(navigationNode);
		navigationNode.addListener(new ModuleNodeListener() {
		@Override
		public void afterActivated(final IModuleNode source) {
			super.afterActivated(source);
			final List<ISubModuleNode> children = source.getChildren();
			if (children.size() >= 1) {
				children.get(1).activate();
			}
		}
	});
}

IModuleNode playgroundModule = new ModuleNode(new NavigationNodeId("playgroundModule"), "Playground");
playgroundModule.setNavigationNodeController(new Second(playgroundModule));