9.5/_abstract_backend_view_helper_8php_source.html

<?php

namespace ‪TYPO3\CMS\Fluid\ViewHelpers\Be;


/*

 * 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\Backend\Template\DocumentTemplate;

use ‪TYPO3\CMS\Core\Page\PageRenderer;

use ‪TYPO3\CMS\Core\Utility\GeneralUtility;

use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;


abstract class ‪AbstractBackendViewHelper extends AbstractViewHelper

{

    public function ‪getDocInstance()

    {

        $viewHelperVariableContainer = $this->renderingContext->getViewHelperVariableContainer();

        if ($viewHelperVariableContainer->exists(self::class, 'DocumentTemplate')) {

            $doc = $viewHelperVariableContainer->get(self::class, 'DocumentTemplate');

        } else {

            $doc = GeneralUtility::makeInstance(DocumentTemplate::class);

            $viewHelperVariableContainer->add(self::class, 'DocumentTemplate', $doc);

        }


        return $doc;

    }


    public function ‪getPageRenderer()

    {

        $viewHelperVariableContainer = $this->renderingContext->getViewHelperVariableContainer();

        if ($viewHelperVariableContainer->exists(self::class, 'PageRenderer')) {

            $pageRenderer = $viewHelperVariableContainer->get(self::class, 'PageRenderer');

        } else {

            $pageRenderer = GeneralUtility::makeInstance(PageRenderer::class);

            $viewHelperVariableContainer->add(self::class, 'PageRenderer', $pageRenderer);

        }


        return $pageRenderer;

    }

}