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PHP

<?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\Form\FormDataProviderInterface;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* Mark columns that are common to many tables for further processing
*/
class TcaColumnsProcessCommon implements FormDataProviderInterface
{
/**
* Determine which common fields are in use and add those to the list of
* columns that must be processed by the next data providers. Common fields
* are for example uid, transOrigPointerField or transOrigDiffSourceField.
*
*
* @return array
*/
public function addData(array $result)
{
// enables the backend to display a visual comparison between a new version and its original
$tableProperties = $result['processedTca']['ctrl'];
if (!empty($tableProperties['origUid'])) {
$result['columnsToProcess'][] = $tableProperties['origUid'];
}
// determines which one of the 'types' configurations are used for displaying the fields in the backend
if (!empty($tableProperties['type'])) {
// Allow for relation_field:foreign_type_field syntax
$fieldName = GeneralUtility::trimExplode(':', $tableProperties['type'], true, 2);
$result['columnsToProcess'][] = $fieldName[0];
}
// field that contains the language of the record
if (!empty($tableProperties['languageField'])) {
$result['columnsToProcess'][] = $tableProperties['languageField'];
}
// field that contains the pointer to the original record
if (!empty($tableProperties['transOrigPointerField'])) {
$result['columnsToProcess'][] = $tableProperties['transOrigPointerField'];
}
// field that contains the value of the original language record
if (!empty($tableProperties['transOrigDiffSourceField'])) {
$result['columnsToProcess'][] = $tableProperties['transOrigDiffSourceField'];
}
return $result;
}
}