ViewHelperResolver.php

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<?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 ‪TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Extbase\Object\ObjectManager;
use ‪TYPO3\CMS\Extbase\Object\ObjectManagerInterface;
 
class ‪ViewHelperResolver extends \TYPO3Fluid\Fluid\Core\ViewHelper\ViewHelperResolver
{
    public function ‪__construct()
    {
        $this->namespaces = ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['fluid']['namespaces'];
        if (TYPO3_REQUESTTYPE & TYPO3_REQUESTTYPE_FE && $this->‪getBackendUser() instanceof ‪BackendUserAuthentication) {
            if ($this->‪getBackendUser()->uc['AdminPanel']['preview_showFluidDebug'] ?? false) {
                $this->namespaces['f'][] = 'TYPO3\\CMS\\Fluid\\ViewHelpers\\Debug';
            }
        }
    }
 
    public function ‪createViewHelperInstanceFromClassName($viewHelperClassName)
    {
        return $this->‪getObjectManager()->‪get($viewHelperClassName);
    }
 
    protected function ‪getObjectManager()
    {
        return GeneralUtility::makeInstance(ObjectManager::class);
    }
 
    protected function ‪getBackendUser()
    {
        return ‪$GLOBALS['BE_USER'];
    }
}