@Override
public void onPageClosed(PageClosedEvent event) {
final Page page = event.getPage();
if (page.willClose()) {
pages.remove(page);
current.setWidget(pages.peek());
}
}
@Inject
public LayoutViewStack(EventBus eventBus) {
this.eventBus = checkNotNull(eventBus);
this.pages = Lists.newLinkedList();
this.current = new SimplePanel();
PageAddedEvent.bind(eventBus, this);
PageClosedEvent.bind(eventBus, this);
initWidget(current);
}