ViewHelperResolver.php

Go to the documentation of this file.

<?php
namespace TYPO3\CMS\Fluid\Core\ViewHelper;

/*
 * 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\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) {
            $configuration = $this->getBackendUser()->uc['TSFE_adminConfig'];
            if (isset($configuration['preview_showFluidDebug']) && $configuration['preview_showFluidDebug']) {
                $this->namespaces['f'][] = 'TYPO3\\CMS\\Fluid\\ViewHelpers\\Debug';
                // forcibly unset fluid caching as it does not care about the tsfe based caching settings
                unset($GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations']['fluid_template']['frontend']);
                $GLOBALS['TSFE']->set_no_cache('Cache is disabled if fluid debugging is enabled', true);
            }
        }
    }

    public function createViewHelperInstanceFromClassName($viewHelperClassName)
    {
        return $this->getObjectManager()->get($viewHelperClassName);
    }

    protected function getObjectManager()
    {
        return GeneralUtility::makeInstance(ObjectManager::class);
    }

    protected function getBackendUser()
    {
        return $GLOBALS['BE_USER'];
    }
}