FluidFormRenderer.php

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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!
 */
 
/*
 * Inspired by and partially taken from the Neos.Form package (www.neos.io)
 */
 
namespace ‪TYPO3\CMS\Form\Domain\Renderer;
 
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Extbase\Object\ObjectManager;
use ‪TYPO3\CMS\Fluid\View\TemplateView;
use ‪TYPO3\CMS\Form\Domain\Exception\RenderingException;
use ‪TYPO3\CMS\Form\ViewHelpers\RenderRenderableViewHelper;
 
class ‪FluidFormRenderer extends ‪AbstractElementRenderer
{
 
    public function ‪render(): string
    {
        $formElementType = $this->formRuntime->getType();
        $renderingOptions = $this->formRuntime->getRenderingOptions();
 
        $view = GeneralUtility::makeInstance(ObjectManager::class)
            ->get(TemplateView::class);
        $view->setControllerContext($this->controllerContext);
 
        if (!isset($renderingOptions['templateRootPaths'])) {
            throw new ‪RenderingException(
                sprintf('The option templateRootPaths must be set for renderable "%s"', $formElementType),
                1480293084
            );
        }
        if (!isset($renderingOptions['layoutRootPaths'])) {
            throw new ‪RenderingException(
                sprintf('The option layoutRootPaths must be set for renderable "%s"', $formElementType),
                1480293085
            );
        }
        if (!isset($renderingOptions['partialRootPaths'])) {
            throw new ‪RenderingException(
                sprintf('The option partialRootPaths must be set for renderable "%s"', $formElementType),
                1480293086
            );
        }
 
        $view->assign('form', $this->formRuntime);
 
        $view->getRenderingContext()
            ->getViewHelperVariableContainer()
            ->addOrUpdate(RenderRenderableViewHelper::class, 'formRuntime', $this->formRuntime);
 
        // Configure the fluid TemplatePaths with the rendering options
        // from the renderable
        $view->getTemplatePaths()->fillFromConfigurationArray($renderingOptions);
 
        foreach (‪$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ext/form']['beforeRendering'] ?? [] as $className) {
            $hookObj = GeneralUtility::makeInstance($className);
            if (method_exists($hookObj, 'beforeRendering')) {
                $hookObj->beforeRendering(
                    $this->formRuntime,
                    $this->formRuntime->getFormDefinition()
                );
            }
        }
 
        return $view->render($this->formRuntime->getTemplateName());
    }
}