TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:00 +02:00
commit f9941541b7
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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\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;
+    }
+}