ViewContext topicsViewContext = new ViewContext();
topicsViewContext.setApp(app);
topicsViewContext.setContextPage(this);
topicsViewContext.setPage(this);
topicsViewContext.setWicketId("topicListPanel");
TopicListPanel topicListPanel = new TopicListPanel(
topicsModelContext, topicsViewContext);
add(topicListPanel);
ModelContext projectsModelContext = new ModelContext();
projectsModelContext.setDomainModel(app.getDomainModel());