public function run()
    {
        $this->renderContent();
        $content = ob_get_clean();
        if ($this->hideOnEmpty && trim($content) === '') {
            return;
        }
        echo $this->_openTag;
        echo $content;
        if ($this->renderContentContainer) {
            echo "</div>\n";
        }
        $this->renderFooter();
        echo "</div>";
    }