private function getItems(NavContainer $container, $parentNavId = 0, $parentGroup = [], $index = 1)
 {
     $navs = $container->getNavs()->andWhere(['parent_nav_id' => $parentNavId])->all();
     $data = [];
     foreach ($navs as $nav) {
         $array = $nav->toArray();
         if (empty($nav->activeLanguageItem)) {
             continue;
         }
         $array['title'] = $nav->activeLanguageItem->title;
         foreach ($this->getGroups() as $key => $group) {
             $isInheritedFromParent = false;
             if (isset($parentGroup[$key])) {
                 if ($parentGroup[$key]['isGroupPermissionInheritNode'] || $parentGroup[$key]['isInheritedFromParent']) {
                     $isInheritedFromParent = true;
                 }
             }
             $array['groups'][$key] = ['id' => $group->id, 'isGroupPermissionInheritNode' => $nav->isGroupPermissionInheritNode($group), 'hasGroupPermission' => $nav->hasGroupPermission($group), 'isInheritedFromParent' => $isInheritedFromParent, 'permissionCheckbox' => $nav->hasGroupPermissionSelected($group), 'groupFullPermission' => $this->groupHasFullPermission($group)];
         }
         $array['nav_level'] = $index;
         self::$_permissionItemData[$container->id][] = $array;
         $this->getItems($container, $nav->id, $array['groups'], $index + 1);
         //$data[] = $array;
     }
     //return $data;
 }
 /**
  * Get Container name for a nav item.
  *
  * @param $navId
  * @return string Container name
  */
 public function actionGetNavContainerName($navId)
 {
     $nav = Nav::findOne($navId);
     if ($nav) {
         $navCoontainer = NavContainer::findOne($nav->nav_container_id);
         if ($navCoontainer) {
             return $navCoontainer->name;
         }
     }
     return "";
 }