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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\Backend\Form\Element;
use TYPO3\CMS\Backend\Utility\BackendUtility;
use TYPO3\CMS\Core\Localization\LanguageService;
use TYPO3\CMS\Core\Resource\File;
use TYPO3\CMS\Core\Resource\ProcessedFile;
use TYPO3\CMS\Core\Resource\ResourceFactory;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* This renderType is used with type=user in FAL for table sys_file and
* sys_file_metadata, for field fileinfo and renders an informational
* element with image preview, filename, size and similar.
*/
class FileInfoElement extends AbstractFormElement
{
/**
* Handler for single nodes
*
* @return array As defined in initializeResultArray() of AbstractNode
*/
public function render(): array
{
$resultArray = $this->initializeResultArray();
// @deprecated since v12, will be removed with v13 when all elements handle label/legend on their own
$resultArray['labelHasBeenHandled'] = true;
$fileUid = 0;
if ($this->data['tableName'] === 'sys_file') {
$fileUid = (int)$this->data['databaseRow']['uid'];
} elseif ($this->data['tableName'] === 'sys_file_metadata') {
$fileUid = (int)($this->data['databaseRow']['file'][0] ?? 0);
}
$fileObject = null;
if ($fileUid > 0) {
$fileObject = GeneralUtility::makeInstance(ResourceFactory::class)->getFileObject($fileUid);
}
$resultArray['html'] = $this->renderFileInformationContent($fileObject);
return $resultArray;
}
/**
* Renders a HTML Block with file information
*/
protected function renderFileInformationContent(File $file = null): string
{
/** @var LanguageService $lang */
$lang = $GLOBALS['LANG'];
if ($file !== null) {
$content = '';
if ($file->isMissing()) {
$content .= '<span class="badge badge-danger badge-space-end">'
. htmlspecialchars($lang->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:warning.file_missing'))
. '</span>';
}
if ($file->isImage() || $file->isMediaFile()) {
$processedFile = $file->process(ProcessedFile::CONTEXT_IMAGEPREVIEW, ['width' => 150, 'height' => 150]);
$previewImage = $processedFile->getPublicUrl();
if ($previewImage) {
$content .= '<img src="' . htmlspecialchars($previewImage) . '" ' .
'width="' . $processedFile->getProperty('width') . '" ' .
'height="' . $processedFile->getProperty('height') . '" ' .
'alt="" class="t3-tceforms-sysfile-imagepreview" />';
}
}
$content .= '<strong>' . htmlspecialchars($file->getName()) . '</strong>';
$content .= ' (' . htmlspecialchars(GeneralUtility::formatSize((int)$file->getSize())) . 'bytes)<br />';
$content .= BackendUtility::getProcessedValue('sys_file', 'type', (string)$file->getType()) . ' (' . $file->getMimeType() . ')<br />';
$content .= htmlspecialchars($lang->sL('LLL:EXT:core/Resources/Private/Language/locallang_misc.xlf:fileMetaDataLocation')) . ': ';
$content .= '<a href="' . htmlspecialchars($file->getPublicUrl() ?? '') . '" target="_blank" title="' . $this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:cm.view') . '">' . htmlspecialchars($file->getStorage()->getName()) . ' - ' . htmlspecialchars($file->getIdentifier()) . '</a><br />';
$content .= '<br />';
} else {
$content = '<h2>' . htmlspecialchars($lang->sL('LLL:EXT:core/Resources/Private/Language/locallang_misc.xlf:fileMetaErrorInvalidRecord')) . '</h2>';
}
return $content;
}
}