feedit/Classes/FrontendEditAssetLoader.php

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<?php
namespace TYPO3\CMS\Feedit;
/*
* 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 TYPO3\CMS\Backend\Controller\EditDocumentController;
use TYPO3\CMS\Core\Page\PageRenderer;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* Class FrontendEditAssetLoader
*/
class FrontendEditAssetLoader
{
/**
* @param EditDocumentController $controller
* @return void
*/
public function attachAssets(EditDocumentController $controller)
{
if ((int)GeneralUtility::_GP('feEdit') === 1) {
$pageRenderer = GeneralUtility::makeInstance(PageRenderer::class);
// We have to load some locallang strings and push them into TYPO3.LLL if this request was
// triggered by feedit. Originally, this object is fed by BackendController which is not
// called here. This block of code is intended to be removed at a later point again.
$lang = $this->getLanguageService();
$coreLabels = [
'csh_tooltip_loading' => $lang->sL('LLL:EXT:lang/Resources/Private/Language/locallang_core.xlf:csh_tooltip_loading')
];
$generatedLabels = [];
$generatedLabels['core'] = $coreLabels;
$code = 'TYPO3.LLL = ' . json_encode($generatedLabels) . ';';
$filePath = 'typo3temp/assets/js/backend-' . sha1($code) . '.js';
if (!file_exists(PATH_site . $filePath)) {
// writeFileToTypo3tempDir() returns NULL on success (please double-read!)
$error = GeneralUtility::writeFileToTypo3tempDir(PATH_site . $filePath, $code);
if ($error !== null) {
throw new \RuntimeException('Locallang JS file could not be written to ' . $filePath . '. Reason: ' . $error, 1446118286);
}
}
$pageRenderer->addJsFile('../' . $filePath);
}
}
/**
* Returns LanguageService
*
* @return \TYPO3\CMS\Lang\LanguageService
*/
protected function getLanguageService()
{
return $GLOBALS['LANG'];
}
}