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;
+
+/**
+ * Override child TCA in an inline parent child relation.
+ *
+ * This basically merges the inline property ['overrideChildTca'] from
+ * parent TCA over given child TCA.
+ */
+class InlineOverrideChildTca implements FormDataProviderInterface
+{
+    /**
+     * ['columns'] section child TCA field names that can not be overridden
+     * by overrideChildTca from parent.
+     *
+     * @var array
+     */
+    protected $notSettableFields = [
+        'uid',
+        'pid',
+        't3ver_oid',
+        't3ver_wsid',
+        't3ver_state',
+        't3ver_stage',
+    ];
+
+    /**
+     * Configuration fields in ctrl section. Their values are field names and if the
+     * keys are set in ['ctrl'] section, they are added to the $notSettableFields list
+     * and can not be overridden, too.
+     *
+     * @var array
+     */
+    protected $configurationKeysForNotSettableFields = [
+        'crdate',
+        'delete',
+        'origUid',
+        'transOrigDiffSourceField',
+        'transOrigPointerField',
+        'tstamp',
+    ];
+
+    /**
+     * Inline parent TCA may override some TCA of children.
+     *
+     * @param array $result Main result array
+     * @return array Modified result array
+     */
+    public function addData(array $result): array
+    {
+        $result = $this->overrideTypes($result);
+        return $this->overrideColumns($result);
+    }
+
+    /**
+     * Override ['types'] configuration in child TCA
+     *
+     * @param array $result Main result array
+     * @return array Modified result array
+     */
+    protected function overrideTypes(array $result): array
+    {
+        if (!isset($result['inlineParentConfig']['overrideChildTca']['types'])) {
+            return $result;
+        }
+        $result['processedTca']['types'] = array_replace_recursive(
+            $result['processedTca']['types'],
+            $result['inlineParentConfig']['overrideChildTca']['types']
+        );
+        return $result;
+    }
+
+    /**
+     * Override ['columns'] configuration in child TCA.
+     * Sanitizes that various hard dependencies can not be changed.
+     *
+     * @param array $result Main result array
+     * @return array Modified result array
+     * @throws \RuntimeException
+     */
+    protected function overrideColumns(array $result): array
+    {
+        if (!isset($result['inlineParentConfig']['overrideChildTca']['columns'])) {
+            return $result;
+        }
+        $fieldBlackList = $this->generateFieldBlackList($result);
+        foreach ($fieldBlackList as $notChangeableFieldName) {
+            if (isset($result['inlineParentConfig']['overrideChildTca']['columns'][$notChangeableFieldName])) {
+                throw new \RuntimeException(
+                    'System field \'' . $notChangeableFieldName . '\' can not be overridden in inline config'
+                    . ' \'overrideChildTca\' from parent TCA',
+                    1490371322
+                );
+            }
+        }
+        $result['processedTca']['columns'] = array_replace_recursive(
+            $result['processedTca']['columns'],
+            $result['inlineParentConfig']['overrideChildTca']['columns']
+        );
+        return $result;
+    }
+
+    /**
+     * Add field names defined in ctrl section of child table to black list
+     *
+     * @param array $result Main result array
+     * @return array Column field names which can not be changed by parent TCA
+     */
+    protected function generateFieldBlackList(array $result): array
+    {
+        $notSettableFields = $this->notSettableFields;
+        foreach ($this->configurationKeysForNotSettableFields as $configurationKey) {
+            if (isset($result['processedTca']['ctrl'][$configurationKey])) {
+                $notSettableFields[] = $result['processedTca']['ctrl'][$configurationKey];
+            }
+        }
+        return $notSettableFields;
+    }
+}