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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 TYPO3\CMS\Fluid\Core\Rendering\RenderingContext;
use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;
/**
* Create internal link within backend.
*
* Examples
* ========
*
* Default::
*
* <form action="{be:moduleLink(route:'pages_new', arguments:'{id:pageUid}')}" method="post">
* <!-- form content -->
* </form>
*
* Output::
*
* <form action="/pages/new" method="post">
* <!-- form content -->
* </form>
*/
final class ModuleLinkViewHelper extends AbstractViewHelper
{
use CompileWithRenderStatic;
public function initializeArguments(): void
{
$this->registerArgument('route', 'string', 'The route to link to', true);
$this->registerArgument('arguments', 'array', 'Additional link arguments', false, []);
$this->registerArgument('query', 'string', 'Additional link arguments as string');
$this->registerArgument('currentUrlParameterName', 'string', 'Add current url as given parameter');
}
/**
* Render module link with arguments
*
* @param array<string, mixed> $arguments
*/
public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext): string
{
$uriBuilder = GeneralUtility::makeInstance(UriBuilder::class);
$parameters = $arguments['arguments'];
if ($arguments['query'] !== null) {
ArrayUtility::mergeRecursiveWithOverrule($parameters, GeneralUtility::explodeUrl2Array($arguments['query']));
}
/** @var RenderingContext $renderingContext */
$request = $renderingContext->getRequest();
if (!empty($arguments['currentUrlParameterName'])
&& empty($arguments['arguments'][$arguments['currentUrlParameterName']])
&& $request instanceof ServerRequestInterface
) {
// 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.
$parameters[$arguments['currentUrlParameterName']] = $request->getAttribute('normalizedParams')->getRequestUri();
}
return (string)$uriBuilder->buildUriFromRoute($arguments['route'], $parameters);
}
}