public function getFields()
 {
     $model = $this->getInstance();
     $fields = parent::getFields();
     $user = Mindy::app()->user;
     if ($user) {
         if (!$user->is_superuser) {
             unset($fields['is_global']);
         }
         if (!$user->is_superuser && $model && $model->is_auto == 1) {
             unset($fields['is_locked']);
         }
     }
     return $fields;
 }