WidgetRequestHandler.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!                         *
 *                                                                        */
class WidgetRequestHandler extends \TYPO3\CMS\Extbase\Mvc\Web\AbstractRequestHandler
{
    protected $ajaxWidgetContextHolder;

    protected $configurationManager;

    protected $requestBuilder;

    public function handleRequest()
    {
        $request = $this->requestBuilder->build();
        if (isset($this->cObj->data) && is_array($this->cObj->data)) {
            $request->setContentObjectData($this->cObj->data);
        }
        $response = $this->objectManager->get(\TYPO3\CMS\Extbase\Mvc\Web\Response::class);
        $this->dispatcher->dispatch($request, $response);
        return $response;
    }

    public function canHandleRequest()
    {
        $rawGetArguments = \TYPO3\CMS\Core\Utility\GeneralUtility::_GET();
        return isset($rawGetArguments['fluid-widget-id']);
    }

    public function getPriority()
    {
        return 200;
    }
}