Initial Commit

packages/vitec/Classes/Hook/SyncBackendLayoutHook.php

@@ -0,0 +1,37 @@
+<?php
+declare(strict_types=1);
+
+namespace Evomedien\Vitec\Hook;
+
+use TYPO3\CMS\Core\DataHandling\DataHandler;
+
+/**
+ * Auto-syncs pages.backend_layout = "vitec_<N>" whenever pages.layout is saved.
+ * Also syncs backend_layout_next_level so subpages inherit the same layout
+ * (until they pick their own frontend layout).
+ *
+ * Hooked via $TYPO3_CONF_VARS[SC_OPTIONS][t3lib/class.t3lib_tcemain.php][processDatamapClass].
+ */
+final class SyncBackendLayoutHook
+{
+    public function processDatamap_postProcessFieldArray(
+        string $status,
+        string $table,
+        $id,
+        array &$fieldArray,
+        DataHandler $pObj
+    ): void {
+        if ($table !== 'pages') {
+            return;
+        }
+        if (!array_key_exists('layout', $fieldArray)) {
+            return;
+        }
+
+        $layoutValue = (int)$fieldArray['layout'];
+        $beIdentifier = 'vitec__' . $layoutValue;
+
+        $fieldArray['backend_layout'] = $beIdentifier;
+        $fieldArray['backend_layout_next_level'] = $beIdentifier;
+    }
+}