9.5/_c_object_view_helper_8php_source.html

<?php

namespace ‪TYPO3\CMS\Fluid\ViewHelpers;


/*

 * 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\TimeTracker\TimeTracker;

use ‪TYPO3\CMS\Core\Utility\GeneralUtility;

use ‪TYPO3\CMS\Extbase\Configuration\ConfigurationManagerInterface;

use ‪TYPO3\CMS\Extbase\Object\ObjectManager;

use ‪TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;

use ‪TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;

use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;

use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;

use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithContentArgumentAndRenderStatic;


class ‪CObjectViewHelper extends AbstractViewHelper

{

    use CompileWithContentArgumentAndRenderStatic;


    protected ‪$escapeChildren = false;


    protected ‪$escapeOutput = false;


    protected static ‪$tsfeBackup;


    public function ‪initializeArguments()

    {

        $this->registerArgument('data', 'mixed', 'the data to be used for rendering the cObject. Can be an object, array or string. If this argument is not set, child nodes will be used');

        $this->registerArgument('typoscriptObjectPath', 'string', 'the TypoScript setup path of the TypoScript object to render', true);

        $this->registerArgument('currentValueKey', 'string', 'currentValueKey');

        $this->registerArgument('table', 'string', 'the table name associated with "data" argument. Typically tt_content or one of your custom tables. This argument should be set if rendering a FILES cObject where file references are used, or if the data argument is a database record.', false, '');

    }


    public static function ‪renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)

    {

        $data = $renderChildrenClosure();

        $typoscriptObjectPath = $arguments['typoscriptObjectPath'];

        $currentValueKey = $arguments['currentValueKey'];

        $table = $arguments['table'];

        $contentObjectRenderer = static::getContentObjectRenderer();

        if (!isset(‪$GLOBALS['TSFE']) || !(‪$GLOBALS['TSFE'] instanceof ‪TypoScriptFrontendController)) {

            static::simulateFrontendEnvironment();

        }

        $currentValue = null;

        if (is_object($data)) {

            $data = ‪\TYPO3\CMS\Extbase\Reflection\ObjectAccess::getGettableProperties($data);

        } elseif (is_string($data) || is_numeric($data)) {

            $currentValue = (string)$data;

            $data = [$data];

        }

        $contentObjectRenderer->start($data, $table);

        if ($currentValue !== null) {

            $contentObjectRenderer->setCurrentVal($currentValue);

        } elseif ($currentValueKey !== null && isset($data[$currentValueKey])) {

            $contentObjectRenderer->setCurrentVal($data[$currentValueKey]);

        }

        $pathSegments = GeneralUtility::trimExplode('.', $typoscriptObjectPath);

        $lastSegment = array_pop($pathSegments);

        $setup = static::getConfigurationManager()->getConfiguration(‪ConfigurationManagerInterface::CONFIGURATION_TYPE_FULL_TYPOSCRIPT);

        foreach ($pathSegments as $segment) {

            if (!array_key_exists($segment . '.', $setup)) {

                throw new \TYPO3Fluid\Fluid\Core\ViewHelper\Exception(

                    'TypoScript object path "' . $typoscriptObjectPath . '" does not exist',

                    1253191023

                );

            }

            $setup = $setup[$segment . '.'];

        }

        if (!isset($setup[$lastSegment])) {

            throw new \TYPO3Fluid\Fluid\Core\ViewHelper\Exception(

                'No Content Object definition found at TypoScript object path "' . $typoscriptObjectPath . '"',

                1540246570

            );

        }

        $content = ‪self::renderContentObject($contentObjectRenderer, $setup, $typoscriptObjectPath, $lastSegment);

        if (!isset(‪$GLOBALS['TSFE']) || !(‪$GLOBALS['TSFE'] instanceof TypoScriptFrontendController)) {

            static::resetFrontendEnvironment();

        }

        return $content;

    }


    protected static function ‪renderContentObject(ContentObjectRenderer $contentObjectRenderer, array $setup, string $typoscriptObjectPath, string $lastSegment): string

    {

        $timeTracker = GeneralUtility::makeInstance(TimeTracker::class);

        if ($timeTracker->LR) {

            $timeTracker->push('/f:cObject/', '<' . $typoscriptObjectPath);

        }

        $timeTracker->incStackPointer();

        $content = $contentObjectRenderer->cObjGetSingle($setup[$lastSegment], $setup[$lastSegment . '.'] ?? [], $typoscriptObjectPath);

        $timeTracker->decStackPointer();

        if ($timeTracker->LR) {

            $timeTracker->pull($content);

        }

        return $content;

    }


    protected static function ‪getConfigurationManager()

    {

        return GeneralUtility::makeInstance(ObjectManager::class)->get(ConfigurationManagerInterface::class);

    }


    protected static function ‪getContentObjectRenderer()

    {

        return GeneralUtility::makeInstance(

            ContentObjectRenderer::class,

            ‪$GLOBALS['TSFE'] ?? GeneralUtility::makeInstance(TypoScriptFrontendController::class, null, 0, 0)

        );

    }


    protected static function ‪simulateFrontendEnvironment()

    {

        static::$tsfeBackup = ‪$GLOBALS['TSFE'] ?? null;

        ‪$GLOBALS['TSFE'] = new \stdClass();

        ‪$GLOBALS['TSFE']->cObj = GeneralUtility::makeInstance(ContentObjectRenderer::class);

        ‪$GLOBALS['TSFE']->cObjectDepthCounter = 100;

    }


    protected static function ‪resetFrontendEnvironment()

    {

        ‪$GLOBALS['TSFE'] = static::$tsfeBackup;

    }

}