ImagePreviewRenderer.php

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<?php
 
declare(strict_types=1);
 
/*
 * 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!
 */
 
namespace ‪TYPO3\CMS\Frontend\Preview;
 
use ‪TYPO3\CMS\Backend\Preview\StandardContentPreviewRenderer;
use TYPO3\CMS\Backend\Utility\BackendUtility;
use ‪TYPO3\CMS\Backend\View\BackendLayout\Grid\GridColumnItem;
 
class ‪ImagePreviewRenderer extends ‪StandardContentPreviewRenderer
{
    public function ‪renderPageModulePreviewContent(‪GridColumnItem $item): string
    {
        $row = $item->‪getRecord();
        $content = $this->‪linkEditContent(BackendUtility::thumbCode($row, 'tt_content', 'image', '', '', null, 0, '', '', false), $row);
 
        $fileReferences = BackendUtility::resolveFileReferences('tt_content', 'image', $row);
 
        if (!empty($fileReferences)) {
            $linkedContent = '';
 
            foreach ($fileReferences as $fileReference) {
                $description = $fileReference->getDescription();
                if ($description !== null && $description !== '') {
                    $linkedContent .= htmlspecialchars($description) . '<br />';
                }
            }
 
            $content .= $this->‪linkEditContent($linkedContent, $row);
        }
        return $content;
    }
}