Admin_ClassificationstoreController::grouptreeGetChildsByIdAction PHP Метод

    public function grouptreeGetChildsByIdAction()
    {
        $nodeId = $this->getParam("node");
        $list = new Object\Classificationstore\GroupConfig\Listing();
        $list->setCondition("parentId = ?", $nodeId);
        $list = $list->load();
        $contents = [];
        /** @var $item Object\Classificationstore\GroupConfig */
        foreach ($list as $item) {
            $hasChilds = $item->hasChilds();
            $itemConfig = ["id" => $item->getId(), "text" => "text 1-" . $item->getName(), "leaf" => !$hasChilds, "iconCls" => $item->getLevel() < 2 ? "pimcore_icon_Classificationstore_icon_group" : "pimcore_icon_Classificationstore_icon_subgroup"];
            $contents[] = $itemConfig;
        }
        $this->_helper->json($contents);
    }