/**
  * @param CmsContentElement $model
  * @param $action
  * @return bool
  */
 public function eachMultiChangeTrees($model, $action)
 {
     try {
         $formData = [];
         parse_str(\Yii::$app->request->post('formData'), $formData);
         $tmpModel = new CmsContentElement();
         $tmpModel->load($formData);
         if (ArrayHelper::getValue($formData, 'removeCurrent')) {
             $model->treeIds = [];
         }
         if ($tmpModel->treeIds) {
             $model->treeIds = array_merge($model->treeIds, $tmpModel->treeIds);
             $model->treeIds = array_unique($model->treeIds);
         }
         return $model->save(false);
     } catch (\Exception $e) {
         return false;
     }
 }