public function indexedContentAction()
    {
        if ($this->id) {
            // page is selected: get indexed content
            $content = '<h2>Index content for page ' . $this->id . '</h2>';
            $content .= $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:labels.path')
                . ': '
                .
                GeneralUtility::fixed_lgd_cs($this->pageinfo['_thePath'], -50);
            $content .= $this->getIndexedContent($this->id);
        } else {
            // no page selected: show message
            $content = '<div class="alert alert-info">'
                . LocalizationUtility::translate(
                    'LLL:EXT:ke_search/Resources/Private/Language/locallang_mod.xml:select_a_page',
                    'KeSearch'
                )
                . '</div>';
        }

        $this->view->assign('content', $content);
    }