9.5/_module_layout_view_helper_8php_source.html

<?php

declare(strict_types = 1);

namespace ‪TYPO3\CMS\Backend\ViewHelpers;


/*

 * 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!

 */


use ‪TYPO3\CMS\Backend\Template\ModuleTemplate;

use ‪TYPO3\CMS\Core\Utility\GeneralUtility;

use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;

use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;

use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;

use TYPO3Fluid\Fluid\View\Exception;


class ‪ModuleLayoutViewHelper extends AbstractViewHelper

{

    use CompileWithRenderStatic;


    protected ‪$escapeOutput = false;


    public static function ‪renderStatic(

        array $arguments,

        \Closure $renderChildrenClosure,

        RenderingContextInterface $renderingContext

    ) {

        $viewHelperVariableContainer = $renderingContext->getViewHelperVariableContainer();

        if ($viewHelperVariableContainer->exists(self::class, ModuleTemplate::class)) {

            throw new Exception('ModuleLayoutViewHelper can only be used once per module.', 1483292643);

        }


        $moduleTemplate = GeneralUtility::makeInstance(ModuleTemplate::class);

        $moduleTemplate->setFlashMessageQueue($renderingContext->getControllerContext()->getFlashMessageQueue());


        $viewHelperVariableContainer->add(self::class, ModuleTemplate::class, $moduleTemplate);

        $moduleTemplate->setContent($renderChildrenClosure());

        $viewHelperVariableContainer->remove(self::class, ModuleTemplate::class);


        return $moduleTemplate->renderContent();

    }

}