TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:00 +02:00
commit f9941541b7
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+<?php
+
+/*
+ * 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;
+
+/**
+ * Handle TCA default values on row. This affects existing rows as well as new rows.
+ *
+ * Hint: Even after this class it is NOT safe no rely that *all* fields from
+ * columns are set in databaseRow.
+ */
+class DatabaseRowDefaultValues implements FormDataProviderInterface
+{
+    /**
+     * Initialize new row with default values from various sources
+     *
+     * @return array
+     */
+    public function addData(array $result)
+    {
+        $databaseRow = $result['databaseRow'];
+
+        $newRow = $databaseRow;
+        foreach ($result['processedTca']['columns'] as $fieldName => $fieldConfig) {
+            // Keep current value if it can be resolved to "there is something" directly
+            if (isset($databaseRow[$fieldName])) {
+                $newRow[$fieldName] = $databaseRow[$fieldName];
+                continue;
+            }
+
+            // Special handling for nullable fields
+            if ($fieldConfig['config']['nullable'] ?? false) {
+                if (// Field exists and is set to NULL
+                    array_key_exists($fieldName, $databaseRow)
+                    // Default NULL is set, and this is a new record!
+                    || (array_key_exists('default', $fieldConfig['config']) && $fieldConfig['config']['default'] === null)
+                ) {
+                    $newRow[$fieldName] = null;
+                } else {
+                    $newRow[$fieldName] = (string)($fieldConfig['config']['default'] ?? '');
+                }
+            } else {
+                // Fun part: This forces empty string for any field even if no default is set. This is
+                // a useful side effect in flex form section containers where a new field is added to an existing
+                // value array because it was added to a data structure.
+                $newRow[$fieldName] = (string)($fieldConfig['config']['default'] ?? '');
+            }
+        }
+
+        $result['databaseRow'] = $newRow;
+
+        return $result;
+    }
+}