74 lines
2.4 KiB
PHP
74 lines
2.4 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\Form\Behavior;
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use TYPO3\CMS\Core\Crypto\HashService;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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trait OnFieldChangeTrait
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{
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/**
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* @param OnFieldChangeInterface[] $items `fieldChangeFunc` items
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* @return array<int, array>
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*/
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protected function getOnFieldChangeItems(array $items): array
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{
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if ($items === []) {
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return [];
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}
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return array_map(
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static function (OnFieldChangeInterface $item): array {
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return $item->toArray();
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},
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array_values($items)
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);
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}
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/**
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* @param string $event target client event, either `change` or `click`
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* @param list<OnFieldChangeInterface> $items `fieldChangeFunc` items
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* @return array<string, string> HTML attrs, not encoded - consumers MUST encode with `htmlspecialchars`
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*/
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protected function getOnFieldChangeAttrs(string $event, array $items): array
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{
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if ($items === []) {
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return [];
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}
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$onFieldChangeItems = $this->getOnFieldChangeItems($items);
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return [
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'data-formengine-field-change-event' => $event,
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'data-formengine-field-change-items' => GeneralUtility::jsonEncodeForHtmlAttribute($onFieldChangeItems, false),
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];
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}
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/**
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* Forwards URL query params for `LinkBrowserController`
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* @param list<OnFieldChangeInterface> $items `fieldChangeFunc` items
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* @return array{fieldChangeFunc: array<int, array>, fieldChangeFuncHash: string} relevant URL query params for `LinkBrowserController`
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*/
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protected function forwardOnFieldChangeQueryParams(array $items): array
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{
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$func = $this->getOnFieldChangeItems($items);
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$hashService = GeneralUtility::makeInstance(HashService::class);
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return [
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'fieldChangeFunc' => $func,
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'fieldChangeFuncHash' => $hashService->hmac(serialize($func), 'backend-link-browser'),
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];
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}
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}
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