public function actionDelete($navItemId)
    {
        if (!Yii::$app->adminuser->canRoute(Module::ROUTE_PAGE_DELETE)) {
            throw new ForbiddenHttpException("Unable to perform this action due to permission restrictions");
        }
        
        $model = NavItem::findOne($navItemId);
        
        if ($model) {
            return $model->delete();
        }
        
        return $this->sendModelError($model);
    }