Gc\Component\TreeView::renderLink PHP Method

    protected static function renderLink(IterableInterface $iterator)
    {
        $id = $iterator->getId();
        $isPublished = null;
        if (method_exists($iterator, 'isPublished')) {
            $isPublished = $iterator->isPublished();
        }
        return '<a ' . (!empty($id) ? 'id="' . $id . '" ' : '') . 'href="' . $iterator->getEditUrl() . '"' . ($isPublished === false ? ' class="not-published"' : '') . '>';
    }