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\View\BackendLayout;
+
+use Symfony\Component\DependencyInjection\Attribute\AutoconfigureTag;
+
+/**
+ * Interface for classes which hook into BackendLayoutDataProvider
+ * to provide additional backend layouts from various sources.
+ */
+#[AutoconfigureTag('page_layout.data_provider')]
+interface DataProviderInterface
+{
+    /**
+     * Adds backend layouts to the given backend layout collection.
+     */
+    public function addBackendLayouts(DataProviderContext $dataProviderContext, BackendLayoutCollection $backendLayoutCollection);
+
+    /**
+     * Gets a backend layout by (regular) identifier.
+     *
+     * @param string $identifier
+     * @param int $pageId
+     * @return BackendLayout|null
+     */
+    public function getBackendLayout($identifier, $pageId);
+
+    /**
+     * Returns the unique identifier for this backend layout data provider.
+     *
+     * This identifier is used to build combined identifiers in the format
+     * "providerIdentifier__layoutIdentifier" (e.g., "my_provider__my_layout").
+     *
+     * Requirements:
+     * - Must be a non-empty string
+     * - Must not contain double underscores "__" (reserved as separator)
+     * - Must be unique across all registered backend layout data providers
+     *
+     * @return non-empty-string The unique identifier for this data provider
+     */
+    public function getIdentifier(): string;
+}