private void redraw() {
clear();
add(formFactory.createTitle(questionnaire.getTitle()));
for (GwtQuestionGroup group : questionnaire.getGroups()) {
add(formFactory.createGroup(group));
}
if (!(questionnaire.getArchivedQuestionGroup() == null
|| questionnaire.getArchivedQuestionGroup().getQuestions().isEmpty())) {
add(formFactory.createGroup(questionnaire.getArchivedQuestionGroup()));
}
}
