Page History

  protected void updateAjaxAttributes(AjaxRequestAttributes attributes)
  {
      super.updateAjaxAttributes(AjaxRequestAttributes attributes);

      AjaxCallListener myAjaxCallListener = new AjaxCallListener() {

        @Override public CharSequence getBeforeHandler(Component component) { return "alert('I\'m executed before the firing of the Ajax call')"; }
      };
      attributes.getAjaxCallListeners().add(myAjaxCallListener);
  }