added TYPO3 v13 compatibility

Author: Markus Timtner

Classes/Backend/ModifyPageLayoutContent.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace MarkusTimtner\MtBackend\Backend;
+
+use TYPO3\CMS\Backend\Controller\Event\ModifyPageLayoutContentEvent;
+
+use TYPO3\CMS\Backend\Controller\PageLayoutController;
+use TYPO3\CMS\Backend\Utility\BackendUtility;
+use TYPO3\CMS\Core\Database\ConnectionPool;
+use TYPO3\CMS\Core\Resource\FileRepository;
+use TYPO3\CMS\Core\Type\Bitmask\Permission;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Fluid\View\StandaloneView;
+
+
+class ModifyPageLayoutContent {
+
+	public function __invoke( ModifyPageLayoutContentEvent $event ): void {
+
+		$event->addHeaderContent( $this->renderStuff( (int) ( $event->getRequest()
+		                                                            ->getQueryParams()['id'] ?? 0 ) ) );
+	}
+	protected function renderStuff(int $id)
+	{
+
+		$pageinfo = BackendUtility::readPageAccess($id, $GLOBALS['BE_USER']->getPagePermsClause(Permission::PAGE_SHOW));
+
+		//load partial paths info from typoscript
+		$view = GeneralUtility::makeInstance(StandaloneView::class);
+		$view->setFormat('html');
+		$resourcesPath = 'EXT:mt_backend/Resources/';
+		$view->setTemplatePathAndFilename($resourcesPath . 'Private/Templates/PageHook.html');
+
+		if ($pageinfo['media']) {
+			$fileRepository = GeneralUtility::makeInstance(FileRepository::class);
+			$fileObjects = $fileRepository->findByRelation('pages', 'media', $pageinfo['uid']);
+			$view->assign('files', $fileObjects);
+		}
+
+		if ($pageinfo['categories']) {
+			$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('sys_category');
+			$query = $queryBuilder->select('sys_category.uid', 'sys_category.title')->from('sys_category');
+			$query->join(
+				'sys_category',
+				'sys_category_record_mm',
+				'mm',
+				(string)$queryBuilder->expr()->and(
+					$queryBuilder->expr()->eq('mm.uid_local', $queryBuilder->quoteIdentifier('sys_category.uid')),
+					$queryBuilder->expr()->in('mm.uid_foreign', $pageinfo['uid']),
+					$queryBuilder->expr()->eq('mm.tablenames', $queryBuilder->quote('pages')),
+					$queryBuilder->expr()->eq('mm.fieldname', $queryBuilder->quote('categories'))
+				)
+			);
+			$categoryObjects = $query->executeQuery()->fetchAllAssociative();
+			$view->assign('categories', $categoryObjects);
+		}
+
+		$view->assign('page', $pageinfo);
+		return $view->render();
+	}
+
+}

Configuration/Services.yaml

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+services:
+  _defaults:
+    autowire: true
+    autoconfigure: true
+    public: false
+
+  MarkusTimtner\MtBackend\Backend\ModifyPageLayoutContent:
+    tags:
+      - name: event.listener
+        identifier: 'mt-backend/backend/modify-page-module-content'