public function actionIndex($caller)
    {
        $model = new $this->modelClass();
        if ($model->load(Yii::$app->request->post()) && $model->save()) {
            $model = new $this->modelClass();
        }
        if (Yii::$app->request->post('hasEditable')) {
            $this->_update();
            return;
        }

        $searchModel = new $this->modelClass(['scenario' => \humanized\lookup\models\LookupTable::SCENARIO_SEARCH]);
        $dataProvider = $searchModel->search(Yii::$app->request->queryParams);

        return $this->render('index', [
                    'caller' => $caller,
                    'model' => $model,
                    'searchModel' => $searchModel,
                    'dataProvider' => $dataProvider,
        ]);
    }