91 lines
3.5 KiB
PHP
91 lines
3.5 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Backend\Preview;
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use Psr\Log\LoggerInterface;
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use TYPO3\CMS\Backend\Utility\BackendUtility;
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use TYPO3\CMS\Backend\View\Event\PageContentPreviewRenderingEvent;
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use TYPO3\CMS\Core\Attribute\AsEventListener;
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use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
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use TYPO3\CMS\Core\Core\Environment;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Core\View\ViewFactoryData;
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use TYPO3\CMS\Core\View\ViewFactoryInterface;
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/**
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* Check if a Fluid-based preview template was defined for a given CType and render it via Fluid.
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*
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* Example in page TSconfig:
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* mod.web_layout.tt_content.preview.textmedia = EXT:site_mysite/Resources/Private/Templates/Preview/Textmedia.fluid.html
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*
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* @internal not part of the TYPO3 Core API
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*/
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final readonly class FluidBasedContentPreviewRenderer
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{
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public function __construct(
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private LoggerInterface $logger,
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private ViewFactoryInterface $viewFactory,
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) {}
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#[AsEventListener('typo3-backend/fluid-preview/content')]
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public function __invoke(PageContentPreviewRenderingEvent $event): void
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{
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$record = $event->getRecord();
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$context = $event->getPageLayoutContext();
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$fluidTemplateFile = BackendUtility::getPagesTSconfig($record->getPid())['mod.']['web_layout.'][$event->getTable() . '.']['preview.'][$event->getRecordType()] ?? '';
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if ($fluidTemplateFile === '') {
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return;
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}
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$fluidTemplateFileAbsolutePath = GeneralUtility::getFileAbsFileName($fluidTemplateFile);
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if ($fluidTemplateFileAbsolutePath === '') {
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return;
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}
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try {
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$event->setPreviewContent(
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$this->viewFactory
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->create(new ViewFactoryData(templatePathAndFilename: $fluidTemplateFileAbsolutePath, request: $context->getCurrentRequest()))
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->assign('record', $record)
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->render()
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);
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} catch (\Exception $e) {
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$this->logger->warning('The backend preview for content element {uid} can not be rendered using the Fluid template file "{file}"', [
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'uid' => $record->getUid(),
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'file' => $fluidTemplateFileAbsolutePath,
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'exception' => $e,
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]);
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if ($this->getBackendUser()->shallDisplayDebugInformation()) {
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$event->setPreviewContent(
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$this->viewFactory
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->create(new ViewFactoryData(templatePathAndFilename: 'EXT:backend/Resources/Private/Templates/PageLayout/FluidBasedContentPreviewRenderingException.fluid.html'))
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->assign('error', [
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'message' => str_replace(Environment::getProjectPath(), '', $e->getMessage()),
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'title' => 'Error while rendering FluidTemplate preview using ' . str_replace(Environment::getProjectPath(), '', $fluidTemplateFileAbsolutePath),
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])
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->render()
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);
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}
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}
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}
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private function getBackendUser(): BackendUserAuthentication
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{
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return $GLOBALS['BE_USER'];
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}
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}
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