public Whiteboard(PageParameters parameters) {
super(parameters);
// set teacher flag and target user
isTeacher = ISISession.get().getUser().getRole().subsumes(Role.TEACHER);
mUser = new UserModel(ISISession.get().getUser());
pageTitleEnd = (new StringResourceModel("Whiteboard.pageTitle", this, null, "Whiteboard").getString());
setPageTitle(pageTitleEnd);
add(new Label("pageTitle", new PropertyModel<String>(this, "pageTitle")));
add(ISIApplication.get().getToolbar("tht", this));