<?php
namespace common\modules\area\backend\controllers;

use common\modules\area\models\Block;
use Yii;
use yii\data\ActiveDataProvider;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\web\Response;
use yii\widgets\ActiveForm;

class BlockController extends Controller
{

    /**
     * Lists all Block models.
     *
     * @return mixed
     */
    public function actionIndex()
    {
        $query = Block::find();
        $dataProvider = new ActiveDataProvider([
            'query' => $query,
        ]);

        return $this->render('index', [
            'dataProvider' => $dataProvider,
        ]);
    }
    /**
     * Creates a new Area model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     * @param string $type
     * @return mixed
     */
    public function actionCreate($type = 'text')
    {
        $model = new Block();
        $model->loadDefaultValues();
        $model->type = $type;
        $model->widget = $model->getWidget();

        if ($model->load(Yii::$app->request->post())) {
            if ($model->save()) {
                Yii::$app->session->setFlash('success', '操作成功');
            } else {
                Yii::$app->session->setFlash('error', current($model->getFirstErrors()));
            }
            return  $this->refresh();
        }

        return $this->render('create',[
            'model' => $model,
        ]);
    }


    /**
     * Creates a new Area model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     * @param integer $id
     * @return mixed
     */
    public function actionUpdate($id)
    {
        $model = $this->findModel($id);

        if ($model->load(Yii::$app->request->post())) {
            if ($model->save()) {
                Yii::$app->session->setFlash('success', Yii::t('common', 'updated success'));
            } else {
                Yii::$app->session->setFlash('error', Yii::t('common', 'updated error. {0}', $model->formatErrors()));
            }
            return  $this->refresh();
        }


        return $this->render('update',['model' => $model]);

    }

    /**
     * Deletes an existing Block model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     *
     * @param int $id
     *
     * @return mixed
     */
    public function actionDelete($id)
    {
        $this->findModel($id)->delete();
        return $this->redirect(['index']);
    }

    /**
     * Finds the Area model based on its primary key value.
     * If the model is not found, a 404 HTTP exception will be thrown.
     *
     * @param integer $id
     * @return Block the loaded model
     * @throws NotFoundHttpException if the model cannot be found
     */

    public function findModel($id)
    {
        if (($model = Block::findOne($id)) !== null) {
            return $model;
        } else {
            throw new NotFoundHttpException('The requested page does not exist.');
        }
    }

    protected function performAjaxValidation($model)
    {
        if (Yii::$app->request->isAjax && !Yii::$app->request->isPjax) {
            if ($model->load(Yii::$app->request->post())) {
                Yii::$app->response->format = Response::FORMAT_JSON;
                echo json_encode(ActiveForm::validate($model));
                Yii::$app->end();
            }
        }
    }
}