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<?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\Form\FieldInformation; |
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use TYPO3\CMS\Backend\Form\AbstractNode; |
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use TYPO3\CMS\Backend\View\BackendLayoutView; |
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use TYPO3\CMS\Core\Localization\LanguageService; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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/** |
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* This field information node is used for the pages backend_layout |
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* field to inform about a possible backend layout, inherited form |
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* a parent page. |
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* |
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* @internal |
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*/ |
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class BackendLayoutFromParentPage extends AbstractNode |
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{ |
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/** |
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* Handler for single nodes |
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* |
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* @return array As defined in initializeResultArray() of AbstractNode |
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*/ |
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public function render(): array |
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{ |
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if ($this->data['tableName'] !== 'pages' || $this->data['fieldName'] !== 'backend_layout') { |
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throw new \RuntimeException( |
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'The backendLayoutFromParentPage field information can only be used for the backend_layout field of the pages table.', |
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1622109821 |
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); |
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} |
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$resultArray = $this->initializeResultArray(); |
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$parameterArray = $this->data['parameterArray']; |
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// In case the backend_layout field of the current page is not empty, no backend layout will be inherited. |
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if (!empty($parameterArray['itemFormElValue'])) { |
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return $resultArray; |
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} |
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$backendLayoutInformation = ''; |
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$languageService = $this->getLanguageService(); |
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if ($this->data['command'] === 'new') { |
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// In case we deal with a new record, we try to find a possible inherited backend layout in |
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// the rootline. Since there might be further actions, e.g. DataHandler hooks, the actually |
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// resolved backend layout can only be determined, once the record is saved. For now we just |
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// inform about the backend layout, which will most likely be used. |
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foreach ($this->data['rootline'] as $page) { |
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if (!empty($page['backend_layout_next_level']) && ($page['uid'] ?? false)) { |
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$backendLayoutInformation = sprintf( |
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$languageService->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:formEngine.pages.backendLayout.information.inheritFromParentPage'), |
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$this->getFieldValueLabel($parameterArray['fieldConf'], $page['backend_layout_next_level']) |
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); |
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break; |
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} |
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} |
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} else { |
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// Get the resolved backend layout for the current page. |
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$backendLayoutView = GeneralUtility::makeInstance(BackendLayoutView::class); |
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$backendLayout = $backendLayoutView->getBackendLayoutForPage( |
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$this->data['databaseRow']['uid'] ?? $this->data['effectivePid'] ?? 0 |
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); |
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if ($backendLayout !== null) { |
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$backendLayoutInformation = sprintf( |
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$languageService->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:formEngine.pages.backendLayout.information.inheritedFromParentPage'), |
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$languageService->sL($backendLayout->getTitle()) |
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); |
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} |
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} |
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if ($backendLayoutInformation !== '') { |
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$resultArray['html'] = '<p class="text-muted">' . htmlspecialchars($backendLayoutInformation) . '</p>'; |
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} |
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return $resultArray; |
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} |
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protected function getFieldValueLabel(array $fieldConfiguration, string $fieldValue): string |
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{ |
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foreach ($fieldConfiguration['config']['items'] as $item) { |
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if (($item[1] ?? '') === $fieldValue && !empty($item[0])) { |
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return $item[0]; |
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} |
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} |
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$invalidValue = sprintf( |
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$this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:labels.noMatchingValue'), |
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$fieldValue |
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); |
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return '[ ' . $invalidValue . ' ]'; |
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} |
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protected function getLanguageService(): LanguageService |
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{ |
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return $GLOBALS['LANG']; |
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} |
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} |
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TYPO3 /
TYPO3.CMS
