/**
* Re-implements form control marking for combined user and group multi select fields.
*
* @author Christian Achatz
* @version
* Version 0.1, 05.06.2010<br />
*/
public function notify()
{
$this->control->markAsInvalid();
$this->alternativeControl->markAsInvalid();
$this->markControl($this->control);
$this->markControl($this->alternativeControl);
// only mark one listener, because we need to display one error message
$this->notifyValidationListeners($this->control);
}
protected function getSelectBox()
{
$select = new MultiSelectBoxTag();
$select->setAttribute('name', self::SELECT_BOX_NAME);
return $select;
}