100 lines
4.5 KiB
PHP
100 lines
4.5 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 Symfony\Component\DependencyInjection\Attribute\Autoconfigure;
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use TYPO3\CMS\Backend\Utility\BackendUtility;
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use TYPO3\CMS\Core\Domain\RecordInterface;
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use TYPO3\CMS\Core\Schema\TcaSchemaFactory;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* Scans TCA configuration to detect:
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*
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* - TCA.$table.types.$typeFromTypeField.previewRenderer
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* - TCA.$table.ctrl.previewRenderer
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*
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* Depending on which one is defined and checking the first, type-specific
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* variant first.
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*/
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#[Autoconfigure(public: true)]
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readonly class StandardPreviewRendererResolver
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{
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public function __construct(
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protected TcaSchemaFactory $tcaSchemaFactory
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) {}
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/**
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* @param RecordInterface $record A record from $table which will be previewed - allows returning a different PreviewRenderer based on record attributes
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* @throws \UnexpectedValueException
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* @throws \RuntimeException
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*/
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public function resolveRendererFor(RecordInterface $record): PreviewRendererInterface
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{
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$table = $record->getMainType();
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$row = $record->getRawRecord()?->toArray() ?? [];
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$schema = $this->tcaSchemaFactory->get($table);
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$previewRendererClassName = null;
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if ($schema->supportsSubSchema()) {
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$tcaTypeOfRow = '';
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$subSchemaTypeInformation = $schema->getSubSchemaTypeInformation();
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if ($subSchemaTypeInformation->isPointerToForeignFieldInForeignSchema()) {
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if ($this->tcaSchemaFactory->has($subSchemaTypeInformation->getForeignSchemaName())) {
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// Note: We override the schema here to work on the foreign schema from now on.
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$schema = $this->tcaSchemaFactory->get($subSchemaTypeInformation->getForeignSchemaName());
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if (isset($row[$subSchemaTypeInformation->getFieldName()]) && $schema->hasField($subSchemaTypeInformation->getForeignFieldName())) {
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$foreignRecord = BackendUtility::getRecord($subSchemaTypeInformation->getForeignSchemaName(), $row[$subSchemaTypeInformation->getFieldName()], $subSchemaTypeInformation->getForeignFieldName());
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$tcaTypeOfRow = (string)($foreignRecord[$subSchemaTypeInformation->getForeignFieldName()] ?? '');
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}
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}
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} else {
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$tcaTypeOfRow = (string)($row[$subSchemaTypeInformation->getFieldName()] ?? '');
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}
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if ($schema->hasSubSchema($tcaTypeOfRow)) {
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// Outdated subschemas may still be present in the database fields, this must not block backend rendering and utilize fallback.
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$subSchema = $schema->getSubSchema($record->getRecordType());
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if (is_string($subSchema->getRawConfiguration()['previewRenderer'] ?? false) && $subSchema->getRawConfiguration()['previewRenderer'] !== '') {
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// A type-specific preview renderer was configured for the TCA type
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$previewRendererClassName = $subSchema->getRawConfiguration()['previewRenderer'];
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}
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}
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}
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if (!$previewRendererClassName) {
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// Table either has no type field or no custom preview renderer was defined for the type.
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// Use table's standard renderer if any is defined.
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$previewRendererClassName = $schema->getRawConfiguration()['previewRenderer'] ?? null;
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}
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if (is_string($previewRendererClassName) && $previewRendererClassName !== '') {
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if (!is_a($previewRendererClassName, PreviewRendererInterface::class, true)) {
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throw new \UnexpectedValueException(
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sprintf(
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'Class %s must implement %s',
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$previewRendererClassName,
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PreviewRendererInterface::class
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),
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1477512798
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);
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}
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return GeneralUtility::makeInstance($previewRendererClassName);
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}
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throw new \RuntimeException(sprintf('No Preview renderer registered for table %s', $table), 1477520356);
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}
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}
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