ViewHelperResolver.php

Go to the documentation of this file.

<?php
 
/*
 * 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\Fluid\Core\ViewHelper;
 
use Psr\Container\ContainerInterface;
use Psr\Http\Message\ServerRequestInterface;
use ‪TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
use ‪TYPO3\CMS\Core\DependencyInjection\FailsafeContainer;
use ‪TYPO3\CMS\Core\Http\ApplicationType;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Extbase\Object\ObjectManagerInterface;
use TYPO3Fluid\Fluid\Core\ViewHelper\ViewHelperInterface;
 
class ‪ViewHelperResolver extends \TYPO3Fluid\Fluid\Core\ViewHelper\ViewHelperResolver
{
    protected ContainerInterface ‪$container;
 
    protected ‪ObjectManagerInterface ‪$objectManager;
 
    public function ‪__construct(ContainerInterface ‪$container, ‪ObjectManagerInterface ‪$objectManager, array $namespaces)
    {
        $this->container = ‪$container;
        // @deprecated since v11, will be removed with 12. Drop argument in ViewHelperResolverFactory
        $this->objectManager = ‪$objectManager;
        $this->namespaces = $namespaces;
        if ((‪$GLOBALS['TYPO3_REQUEST'] ?? null) instanceof ServerRequestInterface
            && ‪ApplicationType::fromRequest(‪$GLOBALS['TYPO3_REQUEST'])->isFrontend()
            && $this->‪getBackendUser() instanceof ‪BackendUserAuthentication
        ) {
            if ($this->‪getBackendUser()->uc['AdminPanel']['preview_showFluidDebug'] ?? false) {
                $this->namespaces['f'][] = 'TYPO3\\CMS\\Fluid\\ViewHelpers\\Debug';
            }
        }
    }
 
    public function ‪createViewHelperInstanceFromClassName($viewHelperClassName): ViewHelperInterface
    {
        if ($this->container instanceof ‪FailsafeContainer) {
            // The install tool creates VH instances using makeInstance to not rely on symfony DI here,
            // otherwise we'd have to have all install-tool used ones in ServiceProvider.php. However,
            // none of the install tool used VH's use injection.
            $viewHelperInstance = GeneralUtility::makeInstance($viewHelperClassName);
            return $viewHelperInstance;
        }
 
        if ($this->container->has($viewHelperClassName)) {
            $viewHelperInstance = $this->container->get($viewHelperClassName);
            return $viewHelperInstance;
        }
 
        // @deprecated since v11, will be removed with 12. Fallback if extensions VH has no Services.yaml, yet.
        $viewHelperInstance = $this->objectManager->get($viewHelperClassName);
        return $viewHelperInstance;
    }
 
    protected function ‪getBackendUser(): ?‪BackendUserAuthentication
    {
        return ‪$GLOBALS['BE_USER'] ?? null;
    }
}