protected function getValueForControl()
 {
     // If the SavedQuery has an alias for an order, map it to the canonical
     // name for the order so the correct option is selected in the dropdown.
     $value = parent::getValueForControl();
     if (isset($this->orderAliases[$value])) {
         $value = $this->orderAliases[$value];
     }
     return $value;
 }
 protected function getValueForControl()
 {
     $value = parent::getValueForControl();
     if ($value === true) {
         return 'true';
     }
     if ($value === false) {
         return 'false';
     }
     return null;
 }
 protected function getValueForControl()
 {
     return implode(', ', parent::getValueForControl());
 }