Files
cms-backend/Classes/Form/FormDataProvider/DatabaseRowDefaultAsReadonly.php

68 lines
2.9 KiB
PHP

<?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\FormDataProvider;
use TYPO3\CMS\Backend\Form\FormDataProviderInterface;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* Special data provider for replacing a database field with the value of
* the default record in case "l10n_display" is set to "defaultAsReadonly".
*/
class DatabaseRowDefaultAsReadonly implements FormDataProviderInterface
{
/**
* Check each field for being an overlay, having l10n_display set to defaultAsReadonly
* and whether the field exists in the default language row. If so, the current
* database value will be replaced by the one from the default language row.
*/
public function addData(array $result): array
{
foreach ($result['processedTca']['columns'] as $fieldName => $fieldConfig) {
if (!isset($result['defaultLanguageRow'][$fieldName])) {
// No default value available for this field
continue;
}
if (!GeneralUtility::inList(($result['processedTca']['columns'][$fieldName]['l10n_display'] ?? ''), 'defaultAsReadonly')) {
// defaultAsReadonly is not set for this field
continue;
}
$languageField = (string)($result['processedTca']['ctrl']['languageField'] ?? '');
$transOrigPointerField = (string)($result['processedTca']['ctrl']['transOrigPointerField'] ?? '');
if ($languageField === '' || $transOrigPointerField === ''
|| !($result['databaseRow'][$languageField] ?? false)
|| !($result['databaseRow'][$transOrigPointerField] ?? false)
) {
// The current record is not an overlay. Note: This check might already have taken place
// while creating the default language row. However, since this field might be set by
// other data providers unintentional, we check this here again to be sure.
continue;
}
if ((int)$result['databaseRow'][$transOrigPointerField] !== (int)$result['defaultLanguageRow']['uid']) {
// The current records "transOrigPointerField" doesn't point to the current default language row
continue;
}
// Override the current database field with the one from the default language
$result['databaseRow'][$fieldName] = $result['defaultLanguageRow'][$fieldName];
}
return $result;
}
}