Inheritance: extends skeeks\cms\base\Component
 public function actionIndex()
 {
     $loadedComponents = [];
     $loadedForSelect = [];
     $component = '';
     $componentSelect = Cms::className();
     foreach (\Yii::$app->getComponents(true) as $id => $data) {
         $loadedComponent = \Yii::$app->get($id);
         if ($loadedComponent instanceof Component) {
             $loadedComponents[$loadedComponent->className()] = $loadedComponent;
             if ($name = $loadedComponent->descriptor->name) {
                 $loadedForSelect[$loadedComponent->className()] = $name;
             } else {
                 $loadedForSelect[$loadedComponent->className()] = $loadedComponent->className();
             }
         }
     }
     if (\Yii::$app->request->get("component")) {
         $componentSelect = \Yii::$app->request->get("component");
     }
     $component = ArrayHelper::getValue($loadedComponents, $componentSelect);
     if ($component && $component instanceof Component) {
         if (\Yii::$app->request->isAjax && !\Yii::$app->request->isPjax) {
             $component->load(\Yii::$app->request->post());
             \Yii::$app->response->format = Response::FORMAT_JSON;
             return ActiveForm::validate($component);
         }
         if (\Yii::$app->request->isAjax) {
             if ($component->load(\Yii::$app->request->post())) {
                 if ($component->saveDefaultSettings()) {
                     \Yii::$app->getSession()->setFlash('success', 'Успешно сохранено');
                 } else {
                     \Yii::$app->getSession()->setFlash('error', 'Не удалось сохранить');
                 }
             } else {
                 \Yii::$app->getSession()->setFlash('error', 'Не удалось сохранить');
             }
         }
     }
     if ($component) {
     }
     return $this->render('index', ['loadedComponents' => $loadedComponents, 'loadedForSelect' => $loadedForSelect, 'component' => $component]);
 }