protected function getStaticPageList()
    {
        if (!PluginManager::instance()->hasPlugin('RainLab.Pages') || empty($this->obTheme)) {
            return null;
        }

        //Get Static page list
        /** @var \Cms\Classes\CmsObjectCollection|\Cms\Classes\Page[] $obStaticPageList */
        $obStaticPage = new \RainLab\Pages\Classes\PageList($this->obTheme);
        $obStaticPageList = $obStaticPage->listPages(true);

        return $obStaticPageList;
    }