/** UI event called when the user changes tab */
 public void notify(FrontlineEventNotification notification) {
   super.notify(notification);
   // This object is registered to the UIGeneratorController and get notified when the users
   // changes tab
   if (notification instanceof TabChangedNotification) {
     String newTabName = ((TabChangedNotification) notification).getNewTabName();
     if (newTabName.equals(TAB_KEYWORD_MANAGER)) {
       threadSafeRefresh();
       ui.setStatus(InternationalisationUtils.getI18nString(MESSAGE_KEYWORDS_LOADED));
     }
   }
 }
 public void removeDialog(Object dialog) {
   super.removeDialog(dialog);
   if (dialog == this.keywordForm) {
     keywordForm = null;
   }
 }