DocumentTemplate.php

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<?php
namespace TYPO3\CMS\Backend\Template;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use TYPO3\CMS\Backend\Utility\BackendUtility;
use TYPO3\CMS\Core\Imaging\Icon;
use TYPO3\CMS\Core\Imaging\IconFactory;
use TYPO3\CMS\Core\Page\PageRenderer;
use TYPO3\CMS\Core\Service\MarkerBasedTemplateService;
use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Fluid\View\StandaloneView;

class DocumentTemplate
{
    // Vars you typically might want to/should set from outside after making instance of this class:
    public $form = '';

    public $JScodeLibArray = [];

    public $JScode = '';

    public $extJScode = '';

    public $JScodeArray = ['jumpToUrl' => '
function jumpToUrl(URL) {
    window.location.href = URL;
    return false;
}
    '];

    public $postCode = '';

    public $docType = '';

    public $moduleTemplate = '';

    protected $moduleTemplateFilename = '';

    public $scriptID = '';

    public $bodyTagId = '';

    public $bodyTagAdditions = '';

    public $inDocStyles = '';

    public $inDocStylesArray = [];

    public $form_largeComp = 1.33;

    public $endJS = 1;

    // TYPO3 Colorscheme.
    // If you want to change this, please do so through a skin using the global var $GLOBALS['TBE_STYLES']

    public $bgColor = '#F7F3EF';

    public $bgColor2 = '#9BA1A8';

    public $bgColor3 = '#F6F2E6';

    public $bgColor4 = '#D9D5C9';

    public $bgColor5 = '#ABBBB4';

    public $bgColor6 = '#E7DBA8';

    public $hoverColor = '#254D7B';

    public $styleSheetFile = '';

    public $styleSheetFile2 = '';

    public $styleSheetFile_post = '';

    public $backGroundImage = '';

    public $inDocStyles_TBEstyle = '';

    protected $useCompatibilityTag = true;

    protected $xUaCompatibilityVersion = 'IE=edge';

    // Skinning
    protected $stylesheetsCore = [
        'generatedSprites' => '../typo3temp/sprites/'
    ];

    protected $stylesheetsSkins = [
        'structure' => 'Resources/Public/Css/structure/',
        'visual' => 'Resources/Public/Css/visual/'
    ];

    protected $jsFiles = [];

    protected $jsFilesNoConcatenation = [];

    public $parseTimeFlag = false;

    protected $charset = 'utf-8';

    public $sectionFlag = 0;

    public $divClass = '';

    public $pageHeaderBlock = '';

    public $endOfPageJsBlock = '';

    public $hasDocheader = true;

    protected $pageRenderer = null;

    protected $pageHeaderFooterTemplateFile = '';

    protected $extDirectStateProvider = false;

    public $showFlashMessages = true;

    protected $iconFactory;

    protected $templateService;

    const STATUS_ICON_ERROR = 3;
    const STATUS_ICON_WARNING = 2;
    const STATUS_ICON_NOTIFICATION = 1;
    const STATUS_ICON_OK = -1;

    public function __construct()
    {
        // Initializes the page rendering object:
        $this->initPageRenderer();

        // load Legacy CSS Support
        $this->pageRenderer->loadRequireJsModule('TYPO3/CMS/Backend/LegacyCssClasses');
        $this->iconFactory = GeneralUtility::makeInstance(IconFactory::class);

        // initialize Marker Support
        $this->templateService = GeneralUtility::makeInstance(MarkerBasedTemplateService::class);

        // Setting default scriptID:
        if (($temp_M = (string)GeneralUtility::_GET('M')) && $GLOBALS['TBE_MODULES']['_PATHS'][$temp_M]) {
            $this->scriptID = preg_replace('/^.*\\/(sysext|ext)\\//', 'ext/', $GLOBALS['TBE_MODULES']['_PATHS'][$temp_M] . 'index.php');
        } else {
            $this->scriptID = preg_replace('/^.*\\/(sysext|ext)\\//', 'ext/', \TYPO3\CMS\Core\Utility\PathUtility::stripPathSitePrefix(PATH_thisScript));
        }
        if (TYPO3_mainDir != 'typo3/' && substr($this->scriptID, 0, strlen(TYPO3_mainDir)) == TYPO3_mainDir) {
            // This fixes if TYPO3_mainDir has been changed so the script ids are STILL "typo3/..."
            $this->scriptID = 'typo3/' . substr($this->scriptID, strlen(TYPO3_mainDir));
        }
        $this->bodyTagId = preg_replace('/[^A-Za-z0-9-]/', '-', $this->scriptID);
        // Individual configuration per script? If so, make a recursive merge of the arrays:
        if (is_array($GLOBALS['TBE_STYLES']['scriptIDindex'][$this->scriptID])) {
            // Make copy
            $ovr = $GLOBALS['TBE_STYLES']['scriptIDindex'][$this->scriptID];
            // merge styles.
            \TYPO3\CMS\Core\Utility\ArrayUtility::mergeRecursiveWithOverrule($GLOBALS['TBE_STYLES'], $ovr);
            // Have to unset - otherwise the second instantiation will do it again!
            unset($GLOBALS['TBE_STYLES']['scriptIDindex'][$this->scriptID]);
        }
        // Main Stylesheets:
        if ($GLOBALS['TBE_STYLES']['stylesheet']) {
            $this->styleSheetFile = $GLOBALS['TBE_STYLES']['stylesheet'];
        }
        if ($GLOBALS['TBE_STYLES']['stylesheet2']) {
            $this->styleSheetFile2 = $GLOBALS['TBE_STYLES']['stylesheet2'];
        }
        if ($GLOBALS['TBE_STYLES']['styleSheetFile_post']) {
            $this->styleSheetFile_post = $GLOBALS['TBE_STYLES']['styleSheetFile_post'];
        }
        if ($GLOBALS['TBE_STYLES']['inDocStyles_TBEstyle']) {
            $this->inDocStylesArray['TBEstyle'] = $GLOBALS['TBE_STYLES']['inDocStyles_TBEstyle'];
        }
        // include all stylesheets
        foreach ($this->getSkinStylesheetDirectories() as $stylesheetDirectory) {
            $this->addStylesheetDirectory($stylesheetDirectory);
        }
        // Background image
        if ($GLOBALS['TBE_STYLES']['background']) {
            GeneralUtility::deprecationLog('Usage of $TBE_STYLES["background"] is deprecated. Please use stylesheets directly.');
        }
    }

    protected function initPageRenderer()
    {
        if ($this->pageRenderer !== null) {
            return;
        }
        $this->pageRenderer = GeneralUtility::makeInstance(PageRenderer::class);
        $this->pageRenderer->setLanguage($GLOBALS['LANG']->lang);
        $this->pageRenderer->enableConcatenateFiles();
        $this->pageRenderer->enableCompressCss();
        $this->pageRenderer->enableCompressJavascript();
        // Add all JavaScript files defined in $this->jsFiles to the PageRenderer
        foreach ($this->jsFilesNoConcatenation as $file) {
            $this->pageRenderer->addJsFile(
                $GLOBALS['BACK_PATH'] . $file,
                'text/javascript',
                true,
                false,
                '',
                true
            );
        }
        // Add all JavaScript files defined in $this->jsFiles to the PageRenderer
        foreach ($this->jsFiles as $file) {
            $this->pageRenderer->addJsFile($GLOBALS['BACK_PATH'] . $file);
        }
        if ((int)$GLOBALS['TYPO3_CONF_VARS']['BE']['debug'] === 1) {
            $this->pageRenderer->enableDebugMode();
        }
    }

    public function getPageRenderer()
    {
        GeneralUtility::logDeprecatedFunction();
        $this->initPageRenderer();

        return $this->pageRenderer;
    }

    public function setExtDirectStateProvider()
    {
        $this->extDirectStateProvider = true;
    }

    /*****************************************
     *
     * EVALUATION FUNCTIONS
     * Various centralized processing
     *
     *****************************************/
    public function wrapClickMenuOnIcon($content, $table, $uid = 0, $listFr = true, $addParams = '', $enDisItems = '', $returnTagParameters = false)
    {
        GeneralUtility::logDeprecatedFunction();
        return BackendUtility::wrapClickMenuOnIcon($content, $table, $uid, $listFr, $addParams, $enDisItems, $returnTagParameters);
    }

    public function viewPageIcon($id, $_ = '')
    {
        // If access to Web>List for user, then link to that module.
        $str = BackendUtility::getListViewLink([
            'id' => $id,
            'returnUrl' => GeneralUtility::getIndpEnv('REQUEST_URI')
        ], $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xlf:labels.showList'));
        // Make link to view page
        $str .= '<a href="#" onclick="' . htmlspecialchars(BackendUtility::viewOnClick($id, '', BackendUtility::BEgetRootLine($id))) . '" title="' . $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xlf:labels.showPage', true) . '">' . $this->iconFactory->getIcon('actions-document-view', Icon::SIZE_SMALL)->render() . '</a>';
        return $str;
    }

    public function issueCommand($params, $redirectUrl = '')
    {
        GeneralUtility::logDeprecatedFunction();
        return BackendUtility::getLinkToDataHandlerAction($params, $redirectUrl);
    }

    public function getHeader($table, $row, $path, $noViewPageIcon = false, $tWrap = ['', ''], $enableClickMenu = true)
    {
        $viewPage = '';
        if (is_array($row) && $row['uid']) {
            $iconImgTag = '<span title="' . htmlspecialchars($path) . '">' . $this->iconFactory->getIconForRecord($table, $row, Icon::SIZE_SMALL)->render() . '</span>';
            $title = strip_tags(BackendUtility::getRecordTitle($table, $row));
            $viewPage = $noViewPageIcon ? '' : $this->viewPageIcon($row['uid']);
        } else {
            $iconImgTag = '<span title="' . htmlspecialchars($path) . '">' . $this->iconFactory->getIcon('apps-pagetree-page-domain', Icon::SIZE_SMALL)->render() . '</span>';
            $title = $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'];
        }

        if ($enableClickMenu) {
            $iconImgTag = BackendUtility::wrapClickMenuOnIcon($iconImgTag, $table, $row['uid']);
        }

        return '<span class="typo3-moduleHeader">' . $iconImgTag . $viewPage . $tWrap[0] . htmlspecialchars(GeneralUtility::fixed_lgd_cs($title, 45)) . $tWrap[1] . '</span>';
    }

    public function getResourceHeader(\TYPO3\CMS\Core\Resource\ResourceInterface $resource, $tWrap = ['', ''], $enableClickMenu = true)
    {
        try {
            $path = $resource->getStorage()->getName() . $resource->getParentFolder()->getIdentifier();
            $iconImgTag = '<span title="' . htmlspecialchars($path) . '">' . $this->iconFactory->getIconForResource($resource, Icon::SIZE_SMALL)->render() . '</span>';
        } catch (\TYPO3\CMS\Core\Resource\Exception\ResourceDoesNotExistException $e) {
            $iconImgTag = '';
        }

        if ($enableClickMenu && ($resource instanceof \TYPO3\CMS\Core\Resource\File)) {
            $metaData = $resource->_getMetaData();
            $iconImgTag = BackendUtility::wrapClickMenuOnIcon($iconImgTag, 'sys_file_metadata', $metaData['uid']);
        }

        return '<span class="typo3-moduleHeader">' . $iconImgTag . $tWrap[0] . htmlspecialchars(GeneralUtility::fixed_lgd_cs($resource->getName(), 45)) . $tWrap[1] . '</span>';
    }

    public function makeShortcutIcon($gvList, $setList, $modName, $motherModName = '', $classes = '')
    {
        $gvList = 'route,' . $gvList;
        $storeUrl = $this->makeShortcutUrl($gvList, $setList);
        $pathInfo = parse_url(GeneralUtility::getIndpEnv('REQUEST_URI'));
        // Fallback for alt_mod. We still pass in the old xMOD... stuff, but TBE_MODULES only knows about "record_edit".
        // We still need to pass the xMOD name to createShortcut below, since this is used for icons.
        $moduleName = $modName === 'xMOD_alt_doc.php' ? 'record_edit' : $modName;
        // Add the module identifier automatically if typo3/index.php is used:
        if (GeneralUtility::_GET('M') !== null && isset($GLOBALS['TBE_MODULES']['_PATHS'][$moduleName])) {
            $storeUrl = '&M=' . $moduleName . $storeUrl;
        }
        if ((int)$motherModName === 1) {
            $motherModule = 'top.currentModuleLoaded';
        } elseif ($motherModName) {
            $motherModule = GeneralUtility::quoteJSvalue($motherModName);
        } else {
            $motherModule = '\'\'';
        }
        $confirmationText = GeneralUtility::quoteJSvalue($GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xlf:labels.makeBookmark'));

        $shortcutUrl = $pathInfo['path'] . '?' . $storeUrl;
        $shortcutExist = BackendUtility::shortcutExists($shortcutUrl);

        if ($shortcutExist) {
            return '<a class="active ' . htmlspecialchars($classes) . '" title="">' .
            $this->iconFactory->getIcon('actions-system-shortcut-active', Icon::SIZE_SMALL)->render() . '</a>';
        }
        $url = GeneralUtility::quoteJSvalue(rawurlencode($shortcutUrl));
        $onClick = 'top.TYPO3.ShortcutMenu.createShortcut(' . GeneralUtility::quoteJSvalue(rawurlencode($modName)) .
            ', ' . $url . ', ' . $confirmationText . ', ' . $motherModule . ', this);return false;';

        return '<a href="#" class="' . htmlspecialchars($classes) . '" onclick="' . htmlspecialchars($onClick) . '" title="' .
        $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xlf:labels.makeBookmark', true) . '">' .
        $this->iconFactory->getIcon('actions-system-shortcut-new', Icon::SIZE_SMALL)->render() . '</a>';
    }

    public function makeShortcutUrl($gvList, $setList)
    {
        $GET = GeneralUtility::_GET();
        $storeArray = array_merge(GeneralUtility::compileSelectedGetVarsFromArray($gvList, $GET), ['SET' => GeneralUtility::compileSelectedGetVarsFromArray($setList, (array)$GLOBALS['SOBE']->MOD_SETTINGS)]);
        $storeUrl = GeneralUtility::implodeArrayForUrl('', $storeArray);
        return $storeUrl;
    }

    public function formWidth($size = 48, $textarea = false, $styleOverride = '')
    {
        return ' style="' . ($styleOverride ?: 'width:' . ceil($size * 9.58) . 'px;') . '"';
    }

    public function redirectUrls($thisLocation = '')
    {
        $thisLocation = $thisLocation ? $thisLocation : GeneralUtility::linkThisScript([
            'CB' => '',
            'SET' => '',
            'cmd' => '',
            'popViewId' => ''
        ]);
        $out = '
    var T3_RETURN_URL = ' . GeneralUtility::quoteJSvalue(str_replace('%20', '', rawurlencode(GeneralUtility::sanitizeLocalUrl(GeneralUtility::_GP('returnUrl'))))) . ';
    var T3_THIS_LOCATION = ' . GeneralUtility::quoteJSvalue(str_replace('%20', '', rawurlencode($thisLocation))) . '
        ';
        return $out;
    }

    public function formatTime($tstamp, $type)
    {
        GeneralUtility::logDeprecatedFunction();
        $dateStr = '';
        switch ($type) {
            case 1:
                $dateStr = date($GLOBALS['TYPO3_CONF_VARS']['SYS']['hhmm'], $tstamp);
                break;
            case 10:
                $dateStr = date($GLOBALS['TYPO3_CONF_VARS']['SYS']['ddmmyy'], $tstamp);
                break;
        }
        return $dateStr;
    }

    public function parseTime()
    {
        GeneralUtility::logDeprecatedFunction();
        if ($this->parseTimeFlag && $GLOBALS['BE_USER']->isAdmin()) {
            return '<p>(ParseTime: ' . (GeneralUtility::milliseconds() - $GLOBALS['PARSETIME_START']) . ' ms</p>
                    <p>REQUEST_URI-length: ' . strlen(GeneralUtility::getIndpEnv('REQUEST_URI')) . ')</p>';
        }
    }

    public function useCompatibilityTag($useCompatibilityTag = true)
    {
        $this->useCompatibilityTag = (bool)$useCompatibilityTag;
    }

    /*****************************************
     *
     *  PAGE BUILDING FUNCTIONS.
     *  Use this to build the HTML of your backend modules
     *
     *****************************************/
    public function startPage($title)
    {
        // hook pre start page
        if (isset($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/template.php']['preStartPageHook'])) {
            $preStartPageHook = &$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/template.php']['preStartPageHook'];
            if (is_array($preStartPageHook)) {
                $hookParameters = [
                    'title' => &$title
                ];
                foreach ($preStartPageHook as $hookFunction) {
                    GeneralUtility::callUserFunction($hookFunction, $hookParameters, $this);
                }
            }
        }
        // alternative template for Header and Footer
        if ($this->pageHeaderFooterTemplateFile) {
            $file = GeneralUtility::getFileAbsFileName($this->pageHeaderFooterTemplateFile, true);
            if ($file) {
                $this->pageRenderer->setTemplateFile($file);
            }
        }

        // Disable rendering of XHTML tags
        $this->pageRenderer->setRenderXhtml(false);

        $languageCode = $this->pageRenderer->getLanguage() === 'default' ? 'en' : $this->pageRenderer->getLanguage();
        $this->pageRenderer->setHtmlTag('<html lang="' . $languageCode . '">');

        $headerStart = '<!DOCTYPE html>';
        $this->pageRenderer->setXmlPrologAndDocType($headerStart);
        $this->pageRenderer->setHeadTag('<head>' . LF . '<!-- TYPO3 Script ID: ' . htmlspecialchars($this->scriptID) . ' -->');
        header('Content-Type:text/html;charset=utf-8');
        $this->pageRenderer->setCharSet('utf-8');
        $this->pageRenderer->addMetaTag($this->generator());
        $this->pageRenderer->addMetaTag('<meta name="robots" content="noindex,follow">');
        $this->pageRenderer->addMetaTag('<meta charset="utf-8">');
        $this->pageRenderer->addMetaTag('<meta name="viewport" content="width=device-width, initial-scale=1">');
        $this->pageRenderer->setFavIcon($this->getBackendFavicon());
        if ($this->useCompatibilityTag) {
            $this->pageRenderer->addMetaTag($this->xUaCompatible($this->xUaCompatibilityVersion));
        }
        $this->pageRenderer->setTitle($title);
        // add docstyles
        $this->docStyle();
        if ($this->extDirectStateProvider) {
            $this->pageRenderer->addJsFile(ExtensionManagementUtility::extRelPath('backend') . 'Resources/Public/JavaScript/ExtDirect.StateProvider.js');
        }
        $this->pageRenderer->addHeaderData($this->JScode);
        foreach ($this->JScodeArray as $name => $code) {
            $this->pageRenderer->addJsInlineCode($name, $code, false);
        }
        if (!empty($this->JScodeLibArray)) {
            GeneralUtility::deprecationLog('DocumentTemplate->JScodeLibArray is deprecated since TYPO3 CMS 7. Use the functionality within pageRenderer directly');
            foreach ($this->JScodeLibArray as $library) {
                $this->pageRenderer->addHeaderData($library);
            }
        }
        if ($this->extJScode) {
            $this->pageRenderer->addExtOnReadyCode($this->extJScode);
        }

        // Load jquery and twbs JS libraries on every backend request
        $this->pageRenderer->loadJquery();
        // Note: please do not reference "bootstrap" outside of the TYPO3 Core (not in your own extensions)
        // as this is preliminary as long as Twitter bootstrap does not support AMD modules
        // this logic will be changed once Twitter bootstrap 4 is included
        $this->pageRenderer->addJsFile(ExtensionManagementUtility::extRelPath('core') . 'Resources/Public/JavaScript/Contrib/bootstrap/bootstrap.js');

        // hook for additional headerData
        if (isset($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/template.php']['preHeaderRenderHook'])) {
            $preHeaderRenderHook = &$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/template.php']['preHeaderRenderHook'];
            if (is_array($preHeaderRenderHook)) {
                $hookParameters = [
                    'pageRenderer' => &$this->pageRenderer
                ];
                foreach ($preHeaderRenderHook as $hookFunction) {
                    GeneralUtility::callUserFunction($hookFunction, $hookParameters, $this);
                }
            }
        }
        // Construct page header.
        $str = $this->pageRenderer->render(PageRenderer::PART_HEADER);
        $this->JScode = ($this->extJScode = '');
        $this->JScodeArray = [];
        $this->endOfPageJsBlock = $this->pageRenderer->render(PageRenderer::PART_FOOTER);
        $str .= $this->docBodyTagBegin() . ($this->divClass ? '

<!-- Wrapping DIV-section for whole page BEGIN -->
<div class="' . $this->divClass . '">
' : '') . trim($this->form);
        return $str;
    }

    public function endPage()
    {
        $str = $this->sectionEnd() . $this->postCode . $this->wrapScriptTags(BackendUtility::getUpdateSignalCode()) . ($this->form ? '
</form>' : '');
        // If something is in buffer like debug, put it to end of page
        if (ob_get_contents()) {
            $str .= ob_get_clean();
            if (!headers_sent()) {
                header('Content-Encoding: None');
            }
        }
        $str .= ($this->divClass ? '

<!-- Wrapping DIV-section for whole page END -->
</div>' : '') . $this->endOfPageJsBlock;

        // Logging: Can't find better place to put it:
        if (TYPO3_DLOG) {
            GeneralUtility::devLog('END of BACKEND session', \TYPO3\CMS\Backend\Template\DocumentTemplate::class, 0, ['_FLUSH' => true]);
        }
        return $str;
    }

    public function render($title, $content)
    {
        $pageContent = $this->startPage($title);
        $pageContent .= $content;
        $pageContent .= $this->endPage();
        return $this->insertStylesAndJS($pageContent);
    }

    public function header($text)
    {
        $str = '

    <!-- MAIN Header in page top -->
    <h1 class="t3js-title-inlineedit">' . htmlspecialchars($text) . '</h1>
';
        return $this->sectionEnd() . $str;
    }

    public function section($label, $text, $nostrtoupper = false, $sH = false, $type = 0, $allowHTMLinHeader = false)
    {
        $str = '';
        // Setting header
        if ($label) {
            if (!$allowHTMLinHeader) {
                $label = htmlspecialchars($label);
            }
            $str .= $this->sectionHeader($this->icons($type) . $label, $sH, $nostrtoupper ? '' : ' class="uppercase"');
        }
        // Setting content
        $str .= '

    <!-- Section content -->
' . $text;
        return $this->sectionBegin() . $str;
    }

    public function divider($dist)
    {
        $dist = (int)$dist;
        $str = '

    <!-- DIVIDER -->
    <hr style="margin-top: ' . $dist . 'px; margin-bottom: ' . $dist . 'px;" />
';
        return $this->sectionEnd() . $str;
    }

    public function spacer($dist)
    {
        GeneralUtility::logDeprecatedFunction();
        if ($dist > 0) {
            return '

    <!-- Spacer element -->
    <div style="padding-top: ' . (int)$dist . 'px;"></div>
';
        }
    }

    public function sectionHeader($label, $sH = false, $addAttrib = '')
    {
        $tag = $sH ? 'h2' : 'h3';
        if ($addAttrib && $addAttrib[0] !== ' ') {
            $addAttrib = ' ' . $addAttrib;
        }
        $str = '

    <!-- Section header -->
    <' . $tag . $addAttrib . '>' . $label . '</' . $tag . '>
';
        return $this->sectionBegin() . $str;
    }

    public function sectionBegin()
    {
        if (!$this->sectionFlag) {
            $this->sectionFlag = 1;
            $str = '

    <!-- ***********************
          Begin output section.
         *********************** -->
    <div>
';
            return $str;
        } else {
            return '';
        }
    }

    public function sectionEnd()
    {
        if ($this->sectionFlag) {
            $this->sectionFlag = 0;
            return '
    </div>
    <!-- *********************
          End output section.
         ********************* -->
';
        } else {
            return '';
        }
    }

    public function endPageJS()
    {
        GeneralUtility::logDeprecatedFunction();
        return '';
    }

    public function docBodyTagBegin()
    {
        return '<body ' . trim($this->bodyTagAdditions . ($this->bodyTagId ? ' id="' . $this->bodyTagId . '"' : '')) . '>';
    }

    public function docStyle()
    {
        // Implode it all:
        $inDocStyles = implode(LF, $this->inDocStylesArray);

        // Reset styles so they won't be added again in insertStylesAndJS()
        $this->inDocStylesArray = [];

        if ($this->styleSheetFile) {
            $this->pageRenderer->addCssFile($this->styleSheetFile);
        }
        if ($this->styleSheetFile2) {
            $this->pageRenderer->addCssFile($this->styleSheetFile2);
        }

        if ($inDocStyles !== '') {
            $this->pageRenderer->addCssInlineBlock('inDocStyles', $inDocStyles . LF . '/*###POSTCSSMARKER###*/');
        }

        if ($this->styleSheetFile_post) {
            $this->pageRenderer->addCssFile($this->styleSheetFile_post);
        }
    }

    public function addStyleSheet($key, $href, $title = '', $relation = 'stylesheet')
    {
        $this->pageRenderer->addCssFile($href, $relation, 'screen', $title);
    }

    public function addStyleSheetDirectory($path)
    {
        // Calculation needed, when TYPO3 source is used via a symlink
        // absolute path to the stylesheets
        $filePath = dirname(GeneralUtility::getIndpEnv('SCRIPT_FILENAME')) . '/' . $GLOBALS['BACK_PATH'] . $path;
        // Clean the path
        $resolvedPath = GeneralUtility::resolveBackPath($filePath);
        // Read all files in directory and sort them alphabetically
        $files = GeneralUtility::getFilesInDir($resolvedPath, 'css', false, 1);
        foreach ($files as $file) {
            $this->pageRenderer->addCssFile($GLOBALS['BACK_PATH'] . $path . $file, 'stylesheet', 'all');
        }
    }

    public function insertStylesAndJS($content)
    {
        $styles = LF . implode(LF, $this->inDocStylesArray);
        $content = str_replace('/*###POSTCSSMARKER###*/', $styles, $content);

        // Insert accumulated JS
        $jscode = $this->JScode . LF . $this->wrapScriptTags(implode(LF, $this->JScodeArray));
        $content = str_replace('<!--###POSTJSMARKER###-->', $jscode, $content);
        return $content;
    }

    public function getSkinStylesheetDirectories()
    {
        $stylesheetDirectories = [];
        // Add default core stylesheets
        foreach ($this->stylesheetsCore as $stylesheetDir) {
            $stylesheetDirectories[] = $stylesheetDir;
        }
        // Stylesheets from skins
        // merge default css directories ($this->stylesheetsSkin) with additional ones and include them
        if (is_array($GLOBALS['TBE_STYLES']['skins'])) {
            // loop over all registered skins
            foreach ($GLOBALS['TBE_STYLES']['skins'] as $skinExtKey => $skin) {
                $skinStylesheetDirs = $this->stylesheetsSkins;
                // Skins can add custom stylesheetDirectories using
                // $GLOBALS['TBE_STYLES']['skins'][$_EXTKEY]['stylesheetDirectories']
                if (is_array($skin['stylesheetDirectories'])) {
                    $skinStylesheetDirs = array_merge($skinStylesheetDirs, $skin['stylesheetDirectories']);
                }
                // Add all registered directories
                foreach ($skinStylesheetDirs as $stylesheetDir) {
                    // for EXT:myskin/stylesheets/ syntax
                    if (substr($stylesheetDir, 0, 4) === 'EXT:') {
                        list($extKey, $path) = explode('/', substr($stylesheetDir, 4), 2);
                        if (!empty($extKey) && ExtensionManagementUtility::isLoaded($extKey) && !empty($path)) {
                            $stylesheetDirectories[] = ExtensionManagementUtility::extRelPath($extKey) . $path;
                        }
                    } else {
                        // For relative paths
                        $stylesheetDirectories[] = ExtensionManagementUtility::extRelPath($skinExtKey) . $stylesheetDir;
                    }
                }
            }
        }
        return $stylesheetDirectories;
    }

    public function generator()
    {
        $str = 'TYPO3 CMS, ' . TYPO3_URL_GENERAL . ', &#169; Kasper Sk&#229;rh&#248;j ' . TYPO3_copyright_year . ', extensions are copyright of their respective owners.';
        return '<meta name="generator" content="' . $str . '" />';
    }

    public function xUaCompatible($content = 'IE=8')
    {
        return '<meta http-equiv="X-UA-Compatible" content="' . $content . '" />';
    }

    /*****************************************
     *
     * OTHER ELEMENTS
     * Tables, buttons, formatting dimmed/red strings
     *
     ******************************************/
    public function icons($type, $styleAttribValue = '')
    {
        switch ($type) {
            case self::STATUS_ICON_ERROR:
                $icon = 'status-dialog-error';
                break;
            case self::STATUS_ICON_WARNING:
                $icon = 'status-dialog-warning';
                break;
            case self::STATUS_ICON_NOTIFICATION:
                $icon = 'status-dialog-notification';
                break;
            case self::STATUS_ICON_OK:
                $icon = 'status-dialog-ok';
                break;
            default:
                // Do nothing
        }
        if ($icon) {
            return $this->iconFactory->getIcon($icon, Icon::SIZE_SMALL)->render();
        }
    }

    public function t3Button($onClick, $label)
    {
        $button = '<input class="btn btn-default" type="submit" onclick="' . htmlspecialchars($onClick) . '; return false;" value="' . htmlspecialchars($label) . '" />';
        return $button;
    }

    public function dfw($string)
    {
        GeneralUtility::logDeprecatedFunction();
        return '<span class="text-muted">' . $string . '</span>';
    }

    public function rfw($string)
    {
        GeneralUtility::logDeprecatedFunction();
        return '<span class="text-danger">' . $string . '</span>';
    }

    public function wrapInCData($string)
    {
        $string = '/*<![CDATA[*/' . $string . '/*]]>*/';
        return $string;
    }

    public function wrapScriptTags($string, $linebreak = true)
    {
        if (trim($string)) {
            // <script wrapped in nl?
            $cr = $linebreak ? LF : '';
            // Remove nl from the beginning
            $string = ltrim($string, LF);
            // Re-ident to one tab using the first line as reference
            if ($string[0] === TAB) {
                $string = TAB . ltrim($string, TAB);
            }
            $string = $cr . '<script type="text/javascript">
/*<![CDATA[*/
' . $string . '
/*]]>*/
</script>' . $cr;
        }
        return trim($string);
    }

    // These vars defines the layout for the table produced by the table() function.
    // You can override these values from outside if you like.
    public $tableLayout = [
        'defRow' => [
            'defCol' => ['<td valign="top">', '</td>']
        ]
    ];

    public $table_TR = '<tr>';

    public $table_TABLE = '<table border="0" cellspacing="0" cellpadding="0" class="typo3-dblist" id="typo3-tmpltable">';

    public function table($data, $layout = null)
    {
        GeneralUtility::logDeprecatedFunction();
        $result = '';
        if (is_array($data)) {
            $tableLayout = is_array($layout) ? $layout : $this->tableLayout;
            $rowCount = 0;
            foreach ($data as $tableRow) {
                if ($rowCount % 2) {
                    $layout = is_array($tableLayout['defRowOdd']) ? $tableLayout['defRowOdd'] : $tableLayout['defRow'];
                } else {
                    $layout = is_array($tableLayout['defRowEven']) ? $tableLayout['defRowEven'] : $tableLayout['defRow'];
                }
                $rowLayout = is_array($tableLayout[$rowCount]) ? $tableLayout[$rowCount] : $layout;
                $rowResult = '';
                if (is_array($tableRow)) {
                    $cellCount = 0;
                    foreach ($tableRow as $tableCell) {
                        $cellWrap = is_array($layout[$cellCount]) ? $layout[$cellCount] : $layout['defCol'];
                        $cellWrap = is_array($rowLayout['defCol']) ? $rowLayout['defCol'] : $cellWrap;
                        $cellWrap = is_array($rowLayout[$cellCount]) ? $rowLayout[$cellCount] : $cellWrap;
                        $rowResult .= $cellWrap[0] . $tableCell . $cellWrap[1];
                        $cellCount++;
                    }
                }
                $rowWrap = is_array($layout['tr']) ? $layout['tr'] : [$this->table_TR, '</tr>'];
                $rowWrap = is_array($rowLayout['tr']) ? $rowLayout['tr'] : $rowWrap;
                $result .= $rowWrap[0] . $rowResult . $rowWrap[1];
                $rowCount++;
            }
            $tableWrap = is_array($tableLayout['table']) ? $tableLayout['table'] : [$this->table_TABLE, '</table>'];
            $result = $tableWrap[0] . $result . $tableWrap[1];
        }
        return $result;
    }

    public function menuTable($arr1, $arr2 = [], $arr3 = [])
    {
        GeneralUtility::logDeprecatedFunction();
        $rows = max([count($arr1), count($arr2), count($arr3)]);
        $menu = '
        <table border="0" cellpadding="0" cellspacing="0" id="typo3-tablemenu">';
        for ($a = 0; $a < $rows; $a++) {
            $menu .= '<tr>';
            $cls = [];
            $valign = 'middle';
            $cls[] = '<td valign="' . $valign . '">' . $arr1[$a][0] . '</td><td>' . $arr1[$a][1] . '</td>';
            if (!empty($arr2)) {
                $cls[] = '<td valign="' . $valign . '">' . $arr2[$a][0] . '</td><td>' . $arr2[$a][1] . '</td>';
                if (!empty($arr3)) {
                    $cls[] = '<td valign="' . $valign . '">' . $arr3[$a][0] . '</td><td>' . $arr3[$a][1] . '</td>';
                }
            }
            $menu .= implode($cls, '<td>&nbsp;&nbsp;</td>');
            $menu .= '</tr>';
        }
        $menu .= '
        </table>
        ';
        return $menu;
    }

    public function funcMenu($content, $menu)
    {
        return '
            <table border="0" cellpadding="0" cellspacing="0" width="100%" id="typo3-funcmenu">
                <tr>
                    <td valign="top" nowrap="nowrap">' . $content . '</td>
                    <td valign="top" align="right" nowrap="nowrap">' . $menu . '</td>
                </tr>
            </table>';
    }

    public function loadJavascriptLib($lib)
    {
        // @todo: maybe we can remove this one as well
        $this->pageRenderer->addJsFile($lib);
    }

    public function getContextMenuCode()
    {
        $this->pageRenderer->loadJquery();
        $this->pageRenderer->loadRequireJsModule('TYPO3/CMS/Backend/ClickMenu');
    }

    public function getDragDropCode($table, $additionalJavaScriptCode = '')
    {
        $this->pageRenderer->loadRequireJsModule('TYPO3/CMS/Backend/LegacyTree', 'function() {
            DragDrop.table = "' . $table . '";
            ' . $additionalJavaScriptCode . '
        }');
    }

    public function getTabMenu($mainParams, $elementName, $currentValue, $menuItems, $script = '', $addparams = '')
    {
        $content = '';
        if (is_array($menuItems)) {
            if (!is_array($mainParams)) {
                $mainParams = ['id' => $mainParams];
            }
            $mainParams = GeneralUtility::implodeArrayForUrl('', $mainParams);
            if (!$script) {
                $script = basename(PATH_thisScript);
            }
            $menuDef = [];
            foreach ($menuItems as $value => $label) {
                $menuDef[$value]['isActive'] = (string)$currentValue === (string)$value;
                $menuDef[$value]['label'] = htmlspecialchars($label, ENT_COMPAT, 'UTF-8', false);
                $menuDef[$value]['url'] = $script . '?' . $mainParams . $addparams . '&' . $elementName . '=' . $value;
            }
            $content = $this->getTabMenuRaw($menuDef);
        }
        return $content;
    }

    public function getTabMenuRaw($menuItems)
    {
        if (!is_array($menuItems)) {
            return '';
        }

        $options = '';
        foreach ($menuItems as $id => $def) {
            $class = $def['isActive'] ? 'active' : '';
            $label = $def['label'];
            $url = htmlspecialchars($def['url']);
            $params = $def['addParams'];

            $options .= '<li class="' . $class . '">' .
                '<a href="' . $url . '" ' . $params . '>' . $label . '</a>' .
                '</li>';
        }

        return '<ul class="nav nav-tabs" role="tablist">' .
                $options .
            '</ul>';
    }

    public function getDynamicTabMenu(array $menuItems, $identString, $defaultTabIndex = 1, $collapseable = false, $wrapContent = true, $storeLastActiveTab = true)
    {
        GeneralUtility::logDeprecatedFunction();
        $this->pageRenderer->loadRequireJsModule('TYPO3/CMS/Backend/Tabs');
        $templatePathAndFileName = 'EXT:backend/Resources/Private/Templates/DocumentTemplate/' . ($collapseable ? 'Collapse.html' : 'Tabs.html');
        $view = GeneralUtility::makeInstance(StandaloneView::class);
        $view->setTemplatePathAndFilename(GeneralUtility::getFileAbsFileName($templatePathAndFileName));
        $view->assignMultiple([
            'id' => 'DTM-' . GeneralUtility::shortMD5($identString),
            'items' => $menuItems,
            'defaultTabIndex' => $defaultTabIndex,
            'wrapContent' => $wrapContent,
            'storeLastActiveTab' => $storeLastActiveTab,
            'BACK_PATH' => $GLOBALS['BACK_PATH']
        ]);
        return $view->render();
    }

    public function getDynTabMenu($menuItems, $identString, $toggle = 0, $foldout = false, $noWrap = true, $fullWidth = false, $defaultTabIndex = 1, $tabBehaviour = 1)
    {
        GeneralUtility::logDeprecatedFunction();
        return $this->getDynamicTabMenu($menuItems, $identString, $defaultTabIndex, $foldout, $noWrap);
    }

    public function getDynTabMenuId($identString)
    {
        GeneralUtility::logDeprecatedFunction();
        $id = 'DTM-' . GeneralUtility::shortMD5($identString);
        return $id;
    }

    public function getVersionSelector($id, $noAction = false)
    {
        if (
                ExtensionManagementUtility::isLoaded('version') &&
                !ExtensionManagementUtility::isLoaded('workspaces')
        ) {
            $versionGuiObj = GeneralUtility::makeInstance(\TYPO3\CMS\Version\View\VersionView::class);
            return $versionGuiObj->getVersionSelector($id, $noAction);
        }
    }

    public function getHtmlTemplate($filename)
    {
        // setting the name of the original HTML template
        $this->moduleTemplateFilename = $filename;
        if ($GLOBALS['TBE_STYLES']['htmlTemplates'][$filename]) {
            $filename = $GLOBALS['TBE_STYLES']['htmlTemplates'][$filename];
        }
        if (GeneralUtility::isFirstPartOfStr($filename, 'EXT:')) {
            $filename = GeneralUtility::getFileAbsFileName($filename, true, true);
        } elseif (!GeneralUtility::isAbsPath($filename)) {
            $filename = GeneralUtility::resolveBackPath($filename);
        } elseif (!GeneralUtility::isAllowedAbsPath($filename)) {
            $filename = '';
        }
        $htmlTemplate = '';
        if ($filename !== '') {
            $htmlTemplate = GeneralUtility::getUrl($filename);
        }
        return $htmlTemplate;
    }

    public function setModuleTemplate($filename)
    {
        $this->moduleTemplate = $this->getHtmlTemplate($filename);
    }

    public function moduleBody($pageRecord = [], $buttons = [], $markerArray = [], $subpartArray = [])
    {
        // Get the HTML template for the module
        $moduleBody = $this->templateService->getSubpart($this->moduleTemplate, '###FULLDOC###');
        // Add CSS
        $this->inDocStylesArray[] = 'html { overflow: hidden; }';
        // Get the page path for the docheader
        $markerArray['PAGEPATH'] = $this->getPagePath($pageRecord);
        // Get the page info for the docheader
        $markerArray['PAGEINFO'] = $this->getPageInfo($pageRecord);
        // Get all the buttons for the docheader
        $docHeaderButtons = $this->getDocHeaderButtons($buttons);
        // Merge docheader buttons with the marker array
        $markerArray = array_merge($markerArray, $docHeaderButtons);
        // replacing subparts
        foreach ($subpartArray as $marker => $content) {
            $moduleBody = $this->templateService->substituteSubpart($moduleBody, $marker, $content);
        }
        // adding flash messages
        if ($this->showFlashMessages) {
            $flashMessages = $this->getFlashMessages();
            if (!empty($flashMessages)) {
                $markerArray['FLASHMESSAGES'] = $flashMessages;
                // If there is no dedicated marker for the messages present
                // then force them to appear before the content
                if (strpos($moduleBody, '###FLASHMESSAGES###') === false) {
                    $moduleBody = str_replace('###CONTENT###', '###FLASHMESSAGES######CONTENT###', $moduleBody);
                }
            }
        }
        // Hook for adding more markers/content to the page, like the version selector
        if (isset($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/template.php']['moduleBodyPostProcess'])) {
            $params = [
                'moduleTemplateFilename' => &$this->moduleTemplateFilename,
                'moduleTemplate' => &$this->moduleTemplate,
                'moduleBody' => &$moduleBody,
                'markers' => &$markerArray,
                'parentObject' => &$this
            ];
            foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/template.php']['moduleBodyPostProcess'] as $funcRef) {
                GeneralUtility::callUserFunction($funcRef, $params, $this);
            }
        }
        // Replacing all markers with the finished markers and return the HTML content
        return $this->templateService->substituteMarkerArray($moduleBody, $markerArray, '###|###');
    }

    public function getFlashMessages()
    {
        $flashMessageService = GeneralUtility::makeInstance(\TYPO3\CMS\Core\Messaging\FlashMessageService::class);
        $defaultFlashMessageQueue = $flashMessageService->getMessageQueueByIdentifier();
        return $defaultFlashMessageQueue->renderFlashMessages();
    }

    public function renderQueuedFlashMessages(ServerRequestInterface $request, ResponseInterface $response)
    {
        $flashMessageService = GeneralUtility::makeInstance(\TYPO3\CMS\Core\Messaging\FlashMessageService::class);
        $defaultFlashMessageQueue = $flashMessageService->getMessageQueueByIdentifier();
        $flashMessages = $defaultFlashMessageQueue->getAllMessagesAndFlush();

        $messages = [];
        foreach ($flashMessages as $flashMessage) {
            $messages[] = [
                'title' => $flashMessage->getTitle(),
                'message' => $flashMessage->getMessage(),
                'severity' => $flashMessage->getSeverity()
            ];
        }

        $response->getBody()->write(json_encode($messages));
        return $response;
    }

    protected function getDocHeaderButtons($buttons)
    {
        $markers = [];
        // Fill buttons for left and right float
        $floats = ['left', 'right'];
        foreach ($floats as $key) {
            // Get the template for each float
            $buttonTemplate = $this->templateService->getSubpart($this->moduleTemplate, '###BUTTON_GROUPS_' . strtoupper($key) . '###');
            // Fill the button markers in this float
            $buttonTemplate = $this->templateService->substituteMarkerArray($buttonTemplate, $buttons, '###|###', true);
            // getting the wrap for each group
            $buttonWrap = $this->templateService->getSubpart($this->moduleTemplate, '###BUTTON_GROUP_WRAP###');
            // looping through the groups (max 6) and remove the empty groups
            for ($groupNumber = 1; $groupNumber < 6; $groupNumber++) {
                $buttonMarker = '###BUTTON_GROUP' . $groupNumber . '###';
                $buttonGroup = $this->templateService->getSubpart($buttonTemplate, $buttonMarker);
                if (trim($buttonGroup)) {
                    if ($buttonWrap) {
                        $buttonGroup = $this->templateService->substituteMarker($buttonWrap, '###BUTTONS###', $buttonGroup);
                    }
                    $buttonTemplate = $this->templateService->substituteSubpart($buttonTemplate, $buttonMarker, trim($buttonGroup));
                }
            }
            // Replace the marker with the template and remove all line breaks (for IE compat)
            $markers['BUTTONLIST_' . strtoupper($key)] = str_replace(LF, '', $buttonTemplate);
        }
        // Hook for manipulating docHeaderButtons
        if (isset($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/template.php']['docHeaderButtonsHook'])) {
            $params = [
                'buttons' => $buttons,
                'markers' => &$markers,
                'pObj' => &$this
            ];
            foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/template.php']['docHeaderButtonsHook'] as $funcRef) {
                GeneralUtility::callUserFunction($funcRef, $params, $this);
            }
        }
        return $markers;
    }

    protected function getPagePath($pageRecord)
    {
        // Is this a real page
        if (is_array($pageRecord) && $pageRecord['uid']) {
            $title = substr($pageRecord['_thePathFull'], 0, -1);
            // Remove current page title
            $pos = strrpos($title, $pageRecord['title']);
            if ($pos !== false) {
                $title = substr($title, 0, $pos);
            }
        } else {
            $title = '';
        }
        // Setting the path of the page
        $pagePath = $GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xlf:labels.path', true) . ': <span class="typo3-docheader-pagePath">';
        // crop the title to title limit (or 50, if not defined)
        $cropLength = empty($GLOBALS['BE_USER']->uc['titleLen']) ? 50 : $GLOBALS['BE_USER']->uc['titleLen'];
        $croppedTitle = GeneralUtility::fixed_lgd_cs($title, -$cropLength);
        if ($croppedTitle !== $title) {
            $pagePath .= '<abbr title="' . htmlspecialchars($title) . '">' . htmlspecialchars($croppedTitle) . '</abbr>';
        } else {
            $pagePath .= htmlspecialchars($title);
        }
        $pagePath .= '</span>';
        return $pagePath;
    }

    protected function getPageInfo($pageRecord)
    {
        // Add icon with clickmenu, etc:
        // If there IS a real page
        if (is_array($pageRecord) && $pageRecord['uid']) {
            $alttext = BackendUtility::getRecordIconAltText($pageRecord, 'pages');
            $iconImg = '<span title="' . htmlspecialchars($alttext) . '">' . $this->iconFactory->getIconForRecord('pages', $pageRecord, Icon::SIZE_SMALL)->render() . '</span>';
            // Make Icon:
            $theIcon = BackendUtility::wrapClickMenuOnIcon($iconImg, 'pages', $pageRecord['uid']);
            $uid = $pageRecord['uid'];
            $title = BackendUtility::getRecordTitle('pages', $pageRecord);
        } else {
            // On root-level of page tree
            // Make Icon
            $iconImg = '<span title="' . htmlspecialchars($GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename']) . '">' . $this->iconFactory->getIcon('apps-pagetree-root', Icon::SIZE_SMALL)->render() . '</span>';
            if ($GLOBALS['BE_USER']->user['admin']) {
                $theIcon = BackendUtility::wrapClickMenuOnIcon($iconImg, 'pages', 0);
            } else {
                $theIcon = $iconImg;
            }
            $uid = '0';
            $title = $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'];
        }
        // Setting icon with clickmenu + uid
        $pageInfo = $theIcon . '<strong>' . htmlspecialchars($title) . '&nbsp;[' . $uid . ']</strong>';
        return $pageInfo;
    }

    public function collapseableSection($title, $html, $id, $saveStatePointer = '')
    {
        GeneralUtility::logDeprecatedFunction();
        $hasSave = (bool)$saveStatePointer;
        $collapsedStyle = ($collapsedClass = '');
        if ($hasSave) {
            $userSettingsController = GeneralUtility::makeInstance(\TYPO3\CMS\Backend\Controller\UserSettingsController::class);
            $value = $userSettingsController->process('get', $saveStatePointer . '.' . $id);
            if ($value) {
                $collapsedStyle = ' style="display: none"';
                $collapsedClass = ' collapsed';
            } else {
                $collapsedStyle = '';
                $collapsedClass = ' expanded';
            }
        }
        $this->pageRenderer->loadExtJS();
        $this->pageRenderer->addExtOnReadyCode('
            Ext.select("h2.section-header").each(function(element){
                element.on("click", function(event, tag) {
                    var state = 0,
                        el = Ext.fly(tag),
                        div = el.next("div"),
                        saveKey = el.getAttribute("rel");
                    if (el.hasClass("collapsed")) {
                        el.removeClass("collapsed").addClass("expanded");
                        div.slideIn("t", {
                            easing: "easeIn",
                            duration: .5
                        });
                    } else {
                        el.removeClass("expanded").addClass("collapsed");
                        div.slideOut("t", {
                            easing: "easeOut",
                            duration: .5,
                            remove: false,
                            useDisplay: true
                        });
                        state = 1;
                    }
                    if (saveKey) {
                        try {
                            top.TYPO3.Storage.Persistent.set(saveKey + "." + tag.id, state);
                        } catch(e) {}
                    }
                });
            });
        ');
        return '
          <h2 id="' . $id . '" class="section-header' . $collapsedClass . '" rel="' . $saveStatePointer . '"> ' . $title . '</h2>
          <div' . $collapsedStyle . '>' . $html . '</div>
        ';
    }

    protected function getBackendFavicon()
    {
        return $GLOBALS['TBE_STYLES']['favicon'] ?: ExtensionManagementUtility::extRelPath('backend') . 'Resources/Public/Icons/favicon.ico';
    }
}