TcaGroup.php

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<?php
 
/*
 * 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!
 */
 
namespace ‪TYPO3\CMS\Backend\Form\FormDataProvider;
 
use ‪TYPO3\CMS\Backend\Clipboard\Clipboard;
use ‪TYPO3\CMS\Backend\Form\FormDataProviderInterface;
use ‪TYPO3\CMS\Backend\Utility\BackendUtility;
use ‪TYPO3\CMS\Core\Database\RelationHandler;
use ‪TYPO3\CMS\Core\Resource\Exception;
use ‪TYPO3\CMS\Core\Resource\Folder;
use ‪TYPO3\CMS\Core\Resource\ResourceFactory;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Core\Utility\MathUtility;
 
class ‪TcaGroup implements ‪FormDataProviderInterface
{
    public function ‪addData(array $result)
    {
        foreach ($result['processedTca']['columns'] as $fieldName => $fieldConfig) {
            if (empty($fieldConfig['config']['type'])
                || $fieldConfig['config']['type'] !== 'group'
                || empty($fieldConfig['config']['internal_type'])
            ) {
                continue;
            }
 
            // Sanitize max items, set to 99999 if not defined
            $result['processedTca']['columns'][$fieldName]['config']['maxitems'] = ‪MathUtility::forceIntegerInRange(
                $fieldConfig['config']['maxitems'] ?? 0,
                0,
                99999
            );
            if ($result['processedTca']['columns'][$fieldName]['config']['maxitems'] === 0) {
                $result['processedTca']['columns'][$fieldName]['config']['maxitems'] = 99999;
            }
 
            $databaseRowFieldContent = '';
            if (!empty($result['databaseRow'][$fieldName])) {
                $databaseRowFieldContent = (string)$result['databaseRow'][$fieldName];
            }
 
            $items = [];
            $sanitizedClipboardElements = [];
            $internalType = $fieldConfig['config']['internal_type'];
            if ($internalType === 'db') {
                if (empty($fieldConfig['config']['allowed'])) {
                    throw new \RuntimeException(
                        'Mandatory TCA config setting "allowed" missing in field "' . $fieldName . '" of table "' . $result['tableName'] . '"',
                        1482250512
                    );
                }
 
                // In case of vanilla uid, 0 is used to query relations by splitting $databaseRowFieldContent (possible defVals)
                $MMuid = ‪MathUtility::canBeInterpretedAsInteger($result['databaseRow']['uid']) ? $result['databaseRow']['uid'] : 0;
 
                $relationHandler = GeneralUtility::makeInstance(RelationHandler::class);
                $relationHandler->start(
                    $databaseRowFieldContent,
                    $fieldConfig['config']['allowed'],
                    $fieldConfig['config']['MM'],
                    $MMuid,
                    $result['tableName'],
                    $fieldConfig['config']
                );
                $relationHandler->getFromDB();
                $relationHandler->processDeletePlaceholder();
                $relations = $relationHandler->getResolvedItemArray();
                foreach ($relations as $relation) {
                    $tableName = $relation['table'];
                    $uid = $relation['uid'];
                    $record = ‪BackendUtility::getRecordWSOL($tableName, $uid);
                    $title = ‪BackendUtility::getRecordTitle($tableName, $record, false, false);
                    $items[] = [
                        'table' => $tableName,
                        'uid' => $record['uid'] ?? null,
                        'title' => $title,
                        'row' => $record,
                    ];
                }
 
                // Register elements from clipboard
                $allowed = ‪GeneralUtility::trimExplode(',', $fieldConfig['config']['allowed'], true);
                $clipboard = GeneralUtility::makeInstance(Clipboard::class);
                $clipboard->initializeClipboard();
                if ($allowed[0] !== '*') {
                    // Only some tables, filter them:
                    foreach ($allowed as $tablename) {
                        foreach ($clipboard->elFromTable($tablename) as $recordUid) {
                            $record = ‪BackendUtility::getRecordWSOL($tablename, $recordUid);
                            $sanitizedClipboardElements[] = [
                                'title' => ‪BackendUtility::getRecordTitle($tablename, $record),
                                'value' => $tablename . '_' . $recordUid,
                            ];
                        }
                    }
                } else {
                    // All tables allowed for relation:
                    $clipboardElements = array_keys($clipboard->elFromTable(''));
                    foreach ($clipboardElements as $elementValue) {
                        [$elementTable, $elementUid] = explode('|', $elementValue);
                        $record = ‪BackendUtility::getRecordWSOL($elementTable, (int)$elementUid);
                        $sanitizedClipboardElements[] = [
                            'title' => ‪BackendUtility::getRecordTitle($elementTable, $record),
                            'value' => $elementTable . '_' . $elementUid,
                        ];
                    }
                }
            } elseif ($internalType === 'folder') {
                // Simple list of folders
                $folderList = ‪GeneralUtility::trimExplode(',', $databaseRowFieldContent, true);
                foreach ($folderList as $folder) {
                    if (empty($folder)) {
                        continue;
                    }
                    try {
                        $folderObject = GeneralUtility::makeInstance(ResourceFactory::class)->retrieveFileOrFolderObject($folder);
                        if ($folderObject instanceof ‪Folder) {
                            $items[] = [
                                'folder' => $folder,
                            ];
                        }
                    } catch (‪Exception $exception) {
                        continue;
                    }
                }
            } else {
                throw new \UnexpectedValueException(
                    'TCA internal_type of field "' . $fieldName . '" in table ' . $result['tableName']
                    . ' must be set to "db" or "folder".',
                    1438780511
                );
            }
 
            $result['databaseRow'][$fieldName] = $items;
            $result['processedTca']['columns'][$fieldName]['config']['clipboardElements'] = $sanitizedClipboardElements;
        }
 
        return $result;
    }
}