public function getDataForBreadcrumb(Page $page)
    {
        $parent = $page->getParent();
        if ($parent)
        {
            $data = array();
            if ($parent->getParent())
            {
                $data = array_merge($this->getDataForBreadcrumb($parent), $data);
            }
            $data[] = $parent;
            return $data;
        }
        return NULL;
    }