TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:24 +02:00
commit aad9daaefd
1506 changed files with 94005 additions and 0 deletions
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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\Form\ViewHelpers\Be;
+
+use Psr\Http\Message\ServerRequestInterface;
+use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;
+use TYPO3\CMS\Backend\Context\PageContext;
+use TYPO3\CMS\Backend\Context\PageContextFactory;
+use TYPO3\CMS\Backend\Routing\UriBuilder;
+use TYPO3\CMS\Backend\Utility\BackendUtility;
+use TYPO3\CMS\Backend\View\BackendLayout\BackendLayout;
+use TYPO3\CMS\Backend\View\BackendLayout\Grid\GridColumn;
+use TYPO3\CMS\Backend\View\BackendLayout\Grid\GridColumnItem;
+use TYPO3\CMS\Backend\View\Drawing\DrawingConfiguration;
+use TYPO3\CMS\Backend\View\PageLayoutContext;
+use TYPO3\CMS\Backend\View\PageViewMode;
+use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
+use TYPO3\CMS\Core\Domain\RecordFactory;
+use TYPO3\CMS\Core\Http\NormalizedParams;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
+
+/**
+ * Used by the form editor.
+ * Render a content element preview like the page module
+ *
+ * Scope: backend
+ *
+ * @see https://docs.typo3.org/permalink/t3viewhelper:typo3-form-be-rendercontentelementpreview
+ * @internal
+ */
+#[Autoconfigure(public: true)]
+final class RenderContentElementPreviewViewHelper extends AbstractViewHelper
+{
+    /**
+     * As this ViewHelper renders HTML, the output must not be escaped.
+     *
+     * @var bool
+     */
+    protected $escapeOutput = false;
+
+    public function __construct(
+        private readonly PageContextFactory $pageContextFactory,
+        private readonly UriBuilder $uriBuilder,
+        private readonly RecordFactory $recordFactory,
+    ) {}
+
+    public function initializeArguments(): void
+    {
+        $this->registerArgument('contentElementUid', 'int', 'The uid of a content element');
+        $this->registerArgument('formPersistenceIdentifier', 'string', 'The form persistence identifier for return URL', false, '');
+    }
+
+    public function render(): string
+    {
+        $content = '';
+        $contentElementUid = $this->arguments['contentElementUid'];
+        $contentRecord = BackendUtility::getRecord('tt_content', $contentElementUid);
+        $request = null;
+        if ($this->renderingContext->hasAttribute(ServerRequestInterface::class)) {
+            $request = $this->renderingContext->getAttribute(ServerRequestInterface::class);
+        }
+        if (!empty($contentRecord) && $request !== null) {
+            $backendLayout = GeneralUtility::makeInstance(BackendLayout::class, 'dummy', 'dummy', []);
+            $pageId = (int)$contentRecord['pid'];
+            $pageContext = $request->getAttribute('pageContext');
+            if (!$pageContext instanceof PageContext) {
+                try {
+                    $pageContext = $this->pageContextFactory->createFromRequest($request, $pageId, $this->getBackendUser());
+                } catch (\Exception $e) {
+                    return '';
+                }
+            }
+
+            $manipulatedRequest = $this->getManipulatedRequestToFormEditor($request, $contentRecord);
+
+            $pageLayoutContext = GeneralUtility::makeInstance(
+                PageLayoutContext::class,
+                $pageContext,
+                $backendLayout,
+                DrawingConfiguration::create($backendLayout, BackendUtility::getPagesTSconfig($pageId), PageViewMode::LayoutView),
+                $manipulatedRequest
+            );
+            $gridColumn = GeneralUtility::makeInstance(GridColumn::class, $pageLayoutContext, []);
+            $contentRecord = $this->recordFactory->createResolvedRecordFromDatabaseRow('tt_content', $contentRecord, null, $pageLayoutContext->getRecordIdentityMap());
+            $columnItem = GeneralUtility::makeInstance(GridColumnItem::class, $pageLayoutContext, $gridColumn, $contentRecord);
+            return $columnItem->getPreview();
+        }
+        return $content;
+    }
+
+    private function getBackendUser(): BackendUserAuthentication
+    {
+        return $GLOBALS['BE_USER'];
+    }
+
+    /**
+     * Create a manipulated request with custom NormalizedParams to override the return URL.
+     * This allows customizing the return URL used by PageLayoutContext->getReturnUrl()
+     * without modifying the original request or the PageLayoutContext logic.
+     */
+    private function getManipulatedRequestToFormEditor(ServerRequestInterface $request, array $contentRecord): ServerRequestInterface
+    {
+        $serverParams = $request->getServerParams();
+        $serverParams['REQUEST_URI'] = $this->buildCustomReturnUrl($request, $contentRecord);
+
+        $customNormalizedParams = NormalizedParams::createFromServerParams($serverParams);
+
+        return $request->withAttribute('normalizedParams', $customNormalizedParams);
+    }
+
+    /**
+     * Build the custom return URL for the form editor.
+     * Generates the URL to FormEditor->index action with the formPersistenceIdentifier parameter.
+     */
+    private function buildCustomReturnUrl(ServerRequestInterface $request, array $contentRecord): string
+    {
+        $formPersistenceIdentifier = $this->arguments['formPersistenceIdentifier'] ?? '';
+
+        if (empty($formPersistenceIdentifier)) {
+            return $request->getAttribute('normalizedParams')->getRequestUri();
+        }
+
+        $uri = $this->uriBuilder->buildUriFromRoute(
+            'form_editor',
+            ['formPersistenceIdentifier' => $formPersistenceIdentifier]
+        );
+        return (string)$uri;
+    }
+}