AddNoteForm(MarkupContainer container, String id, IModel<Note> noteModel) {
   super(container, id, noteModel);
   new FeedbackPanel(this, "formFeedback");
   textModel = new Model<String>();
   Note n = noteModel.getObject();
   if (n != null) {
     textModel.setObject(n.getText());
   }
   new TextArea<String>(this, "text", textModel).setRequired(true);
 }