68 lines
2.9 KiB
PHP
68 lines
2.9 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Backend\Form\FormDataProvider;
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use TYPO3\CMS\Backend\Form\FormDataProviderInterface;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* Special data provider for replacing a database field with the value of
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* the default record in case "l10n_display" is set to "defaultAsReadonly".
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*/
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class DatabaseRowDefaultAsReadonly implements FormDataProviderInterface
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{
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/**
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* Check each field for being an overlay, having l10n_display set to defaultAsReadonly
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* and whether the field exists in the default language row. If so, the current
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* database value will be replaced by the one from the default language row.
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*/
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public function addData(array $result): array
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{
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foreach ($result['processedTca']['columns'] as $fieldName => $fieldConfig) {
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if (!isset($result['defaultLanguageRow'][$fieldName])) {
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// No default value available for this field
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continue;
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}
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if (!GeneralUtility::inList(($result['processedTca']['columns'][$fieldName]['l10n_display'] ?? ''), 'defaultAsReadonly')) {
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// defaultAsReadonly is not set for this field
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continue;
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}
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$languageField = (string)($result['processedTca']['ctrl']['languageField'] ?? '');
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$transOrigPointerField = (string)($result['processedTca']['ctrl']['transOrigPointerField'] ?? '');
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if ($languageField === '' || $transOrigPointerField === ''
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|| !($result['databaseRow'][$languageField] ?? false)
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|| !($result['databaseRow'][$transOrigPointerField] ?? false)
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) {
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// The current record is not an overlay. Note: This check might already have taken place
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// while creating the default language row. However, since this field might be set by
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// other data providers unintentional, we check this here again to be sure.
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continue;
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}
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if ((int)$result['databaseRow'][$transOrigPointerField] !== (int)$result['defaultLanguageRow']['uid']) {
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// The current records "transOrigPointerField" doesn't point to the current default language row
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continue;
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}
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// Override the current database field with the one from the default language
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$result['databaseRow'][$fieldName] = $result['defaultLanguageRow'][$fieldName];
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}
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return $result;
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}
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}
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