ClickEnlargeViewHelper.php

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<?php
namespace TYPO3\CMS\FluidStyledContent\ViewHelpers\Link;

/*
 * 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\Utility\GeneralUtility;
use TYPO3\CMS\Extbase\Service\TypoScriptService;
use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;
use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper;
use TYPO3\CMS\Fluid\Core\Rendering\RenderingContextInterface;

class ClickEnlargeViewHelper extends AbstractViewHelper
{
    public function initializeArguments()
    {
        $this->registerArgument('image', '', 'The original image file', true);
        $this->registerArgument(
            'configuration',
            'mixed',
            'String, \TYPO3\CMS\Core\Resource\File or \TYPO3\CMS\Core\Resource\FileReference with link configuration',
            true
        );
    }

    public function render()
    {
        return self::renderStatic(
            $this->arguments,
            $this->buildRenderChildrenClosure(),
            $this->renderingContext
        );
    }

    public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
    {
        $image = $arguments['image'];
        $configuration = self::getTypoScriptService()->convertPlainArrayToTypoScriptArray($arguments['configuration']);
        $content = $renderChildrenClosure();
        $configuration['enable'] = true;

        return self::getContentObjectRenderer()->imageLinkWrap($content, $image, $configuration);
    }

    protected static function getContentObjectRenderer()
    {
        return $GLOBALS['TSFE']->cObj;
    }

    protected static function getTypoScriptService()
    {
        static $typoScriptService;
        if ($typoScriptService === null) {
            $typoScriptService = GeneralUtility::makeInstance(TypoScriptService::class);
        }
        return $typoScriptService;
    }
}