9.5/_tca_columns_process_placeholders_8php_source.html

<?php

namespace ‪TYPO3\CMS\Backend\Form\FormDataProvider;


/*

 * 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!

 */


use ‪TYPO3\CMS\Backend\Form\FormDataProviderInterface;

use ‪TYPO3\CMS\Core\Utility\GeneralUtility;


class ‪TcaColumnsProcessPlaceholders implements ‪FormDataProviderInterface

{

    public function ‪addData(array $result)

    {

        foreach ($result['processedTca']['columns'] as $fieldName => $fieldConfig) {

            // Placeholders are only valid for input and text type fields

            if (

                ($fieldConfig['config']['type'] !== 'input' && $fieldConfig['config']['type'] !== 'text')

                || !isset($fieldConfig['config']['placeholder'])

            ) {

                continue;

            }


            // Process __row|field type placeholders

            if (strpos($fieldConfig['config']['placeholder'], '__row|') === 0) {

                // split field names into array and remove the __row indicator

                $fieldNameArray = array_slice(

                    GeneralUtility::trimExplode('|', $fieldConfig['config']['placeholder'], true),

                    1

                );


                // only the first field is required to be processed as it's the one referring to

                // the current record. All other columns will be resolved in a later pass through

                // the related records.

                if (!empty($fieldNameArray[0])) {

                    $result['columnsToProcess'][] = $fieldNameArray[0];

                }

            }

        }


        return $result;

    }

}