ShortcutViewHelper.php

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<?php
namespace TYPO3\CMS\Fluid\ViewHelpers\Be\Buttons;

/*                                                                        *
 * 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!                         *
 *                                                                        */

use TYPO3\CMS\Backend\Template\DocumentTemplate;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Fluid\Core\Rendering\RenderingContextInterface;
use TYPO3\CMS\Fluid\Core\ViewHelper\Facets\CompilableInterface;
use TYPO3\CMS\Fluid\ViewHelpers\Be\AbstractBackendViewHelper;

class ShortcutViewHelper extends AbstractBackendViewHelper implements CompilableInterface
{
    public function render(array $getVars = [], array $setVars = [])
    {
        return static::renderStatic(
            [
                'getVars' => $getVars,
                'setVars' => $setVars
            ],
            $this->buildRenderChildrenClosure(),
            $this->renderingContext
        );
    }

    public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
    {
        $getVars = $arguments['getVars'];
        $setVars = $arguments['setVars'];

        $mayMakeShortcut = $GLOBALS['BE_USER']->mayMakeShortcut();

        if ($mayMakeShortcut) {
            $doc = GeneralUtility::makeInstance(DocumentTemplate::class);
            $currentRequest = $renderingContext->getControllerContext()->getRequest();
            $extensionName = $currentRequest->getControllerExtensionName();
            $moduleName = $currentRequest->getPluginName();
            if (count($getVars) === 0) {
                $modulePrefix = strtolower('tx_' . $extensionName . '_' . $moduleName);
                $getVars = ['id', 'M', $modulePrefix];
            }
            $getList = implode(',', $getVars);
            $setList = implode(',', $setVars);
            return $doc->makeShortcutIcon($getList, $setList, $moduleName);
        }
        return '';
    }
}