/**
  * Creates a new Pattern model.
  * If creation is successful, the browser will be redirected to the 'view' page.
  * @return mixed
  */
 public function actionCreate()
 {
     $model = new Pattern();
     if ($model->load(Yii::$app->request->post()) && $model->save()) {
         return $this->redirect(['index', 'project_id' => Yii::$app->request->get('project_id'), 'group_id' => Yii::$app->request->get('group_id')]);
     } else {
         $model->group_id = Yii::$app->request->get('group_id');
         return $this->render('create', ['model' => $model]);
     }
 }