public function run()
 {
     $scheme = $this->model->{$this->attribute};
     $dm = new DynModel();
     $dm->schemeFromJson($scheme);
     return $this->render('editor', ['model' => $dm]);
 }
 private function _getFieldEditor()
 {
     $id = Yii::$app->request->post('id');
     $params = Yii::$app->request->post('params');
     $dm = new DynModel();
     $dm->schemeFromArray($params['model']);
     $fld = $dm->getField($id);
     if (!$fld) {
         return ['status' => 'error', 'message' => Yii::t('dynModel', 'Неверный идентификатор поля.')];
     }
     return ['status' => 'ok', 'title' => Yii::t('dynModel', 'Новое поле'), 'html' => $this->renderFile(__DIR__ . '/../views/field_editor.php', ['model' => $fld])];
 }