AbstractWidgetController.php

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

/*
 * This script is backported from the TYPO3 Flow package "TYPO3.Fluid".   *
 *                                                                        *
 * It is free software; you can redistribute it and/or modify it under    *
 * the terms of the GNU Lesser General Public License, either version 3   *
 *  of the License, or (at your option) any later version.                *
 *                                                                        *
 *                                                                        *
 * This script is distributed in the hope that it will be useful, but     *
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN-    *
 * TABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser       *
 * General Public License for more details.                               *
 *                                                                        *
 * You should have received a copy of the GNU Lesser General Public       *
 * License along with the script.                                         *
 * If not, see http://www.gnu.org/licenses/lgpl.html                      *
 *                                                                        *
 * The TYPO3 project - inspiring people to share!                         *
 *                                                                        */
abstract class AbstractWidgetController extends \TYPO3\CMS\Extbase\Mvc\Controller\ActionController implements \TYPO3\CMS\Core\SingletonInterface
{
    protected $supportedRequestTypes = array(\TYPO3\CMS\Fluid\Core\Widget\WidgetRequest::class);

    protected $widgetConfiguration;

    public function processRequest(\TYPO3\CMS\Extbase\Mvc\RequestInterface $request, \TYPO3\CMS\Extbase\Mvc\ResponseInterface $response)
    {
        $this->widgetConfiguration = $request->getWidgetContext()->getWidgetConfiguration();
        parent::processRequest($request, $response);
    }

    protected function setViewConfiguration(\TYPO3\CMS\Extbase\Mvc\View\ViewInterface $view)
    {
        $extbaseFrameworkConfiguration = $this->configurationManager->getConfiguration(\TYPO3\CMS\Extbase\Configuration\ConfigurationManagerInterface::CONFIGURATION_TYPE_FRAMEWORK);
        $widgetViewHelperClassName = $this->request->getWidgetContext()->getWidgetViewHelperClassName();
        if (
            isset($extbaseFrameworkConfiguration['view']['widget'][$widgetViewHelperClassName]['templateRootPath'])
            && $extbaseFrameworkConfiguration['view']['widget'][$widgetViewHelperClassName]['templateRootPath'] !== ''
            && method_exists($view, 'setTemplateRootPath')
        ) {
            $view->setTemplateRootPath(\TYPO3\CMS\Core\Utility\GeneralUtility::getFileAbsFileName($extbaseFrameworkConfiguration['view']['widget'][$widgetViewHelperClassName]['templateRootPath']));
        }
    }
}