/**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $query = CatalogsAdmin::find()->where(['not', ['name' => 'ROOT']]);
     $dataProvider = new ActiveDataProvider(['query' => $query]);
     $this->load($params);
     if (!$this->validate()) {
         // uncomment the following line if you do not want to any records when validation fails
         // $query->where('0=1');
         return $dataProvider;
     }
     $query->andFilterWhere(['catalog_id' => $this->catalog_id, 'id_parent' => $this->id_parent, 'expanded' => $this->expanded, 'root' => $this->root, 'lft' => $this->lft, 'rgt' => $this->rgt, 'level' => $this->level]);
     $query->andFilterWhere(['like', 'name', $this->name]);
     return $dataProvider;
 }