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\ViewHelpers;
+
+use Psr\Http\Message\ServerRequestInterface;
+use TYPO3\CMS\Backend\Routing\UriBuilder;
+use TYPO3\CMS\Core\Utility\ArrayUtility;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
+
+/**
+ * ViewHelper to create internal links within the backend.
+ *
+ * ```
+ *  <form action="{be:moduleLink(route:'pages_new', arguments:'{id:pageUid}')}" method="post">
+ *     <!-- form content -->
+ *  </form>
+ * ```
+ *
+ * @see https://docs.typo3.org/permalink/t3viewhelper:typo3-backend-modulelink
+ */
+final class ModuleLinkViewHelper extends AbstractViewHelper
+{
+    public function __construct(
+        private readonly UriBuilder $uriBuilder
+    ) {}
+
+    public function initializeArguments(): void
+    {
+        $this->registerArgument('route', 'string', 'The route to link to', true);
+        $this->registerArgument('arguments', 'array', 'Additional link arguments (e.g. id or returnUrl)', false, []);
+        $this->registerArgument('query', 'string', 'Additional link arguments as string  (e.g. id or returnUrl)');
+        $this->registerArgument('currentUrlParameterName', 'string', 'Add current URL as given parameter');
+    }
+
+    /**
+     * Render module link with arguments
+     */
+    public function render(): string
+    {
+        $parameters = $this->arguments['arguments'];
+        if ($this->arguments['query'] !== null) {
+            ArrayUtility::mergeRecursiveWithOverrule($parameters, GeneralUtility::explodeUrl2Array($this->arguments['query']));
+        }
+        if (!empty($this->arguments['currentUrlParameterName'])
+            && empty($this->arguments['arguments'][$this->arguments['currentUrlParameterName']])
+            && $this->renderingContext->hasAttribute(ServerRequestInterface::class)
+        ) {
+            // If currentUrlParameterName is given and if that argument is not hand over yet, and if there is a request, fetch it from request
+            // @todo: We may want to deprecate fetching stuff from request and advise handing over a proper value as 'arguments' argument.
+            $request = $this->renderingContext->getAttribute(ServerRequestInterface::class);
+            $parameters[$this->arguments['currentUrlParameterName']] = $request->getAttribute('normalizedParams')->getRequestUri();
+        }
+        return (string)$this->uriBuilder->buildUriFromRoute($this->arguments['route'], $parameters);
+    }
+}