Backend\Modules\Pages\Actions\Index::execute PHP Метод

    public function execute()
    {
        parent::execute();
        // add js
        $this->header->addJS('jstree/jquery.tree.js', null, false);
        $this->header->addJS('jstree/lib/jquery.cookie.js', null, false);
        $this->header->addJS('jstree/plugins/jquery.tree.cookie.js', null, false);
        // load the dgRecentlyEdited
        $this->loadDataGrids();
        // parse
        $this->parse();
        // display the page
        $this->display();
    }