105 lines
4.0 KiB
PHP
105 lines
4.0 KiB
PHP
<?php
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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\FormDataProvider;
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use TYPO3\CMS\Backend\Form\FormDataProviderInterface;
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use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
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use TYPO3\CMS\Core\Localization\LanguageService;
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use TYPO3\CMS\Core\Messaging\FlashMessage;
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use TYPO3\CMS\Core\Messaging\FlashMessageService;
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use TYPO3\CMS\Core\Site\Entity\SiteInterface;
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use TYPO3\CMS\Core\Type\ContextualFeedbackSeverity;
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/**
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* Fill the "systemLanguageRows" part of the result array
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*/
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readonly class DatabaseSystemLanguageRows implements FormDataProviderInterface
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{
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public function __construct(
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private FlashMessageService $flashMessageService
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) {}
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/**
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* Fetch available system languages and resolve iso code if necessary.
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*
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* @return array
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* @throws \LogicException
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*/
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public function addData(array $result)
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{
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$site = $result['site'] ?? null;
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if (!$site instanceof SiteInterface) {
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throw new \LogicException(
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'No valid site object found in $result[\'site\']',
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1534952559
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);
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}
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$pageIdDefaultLanguage = $result['defaultLanguagePageRow']['uid'] ?? $result['effectivePid'];
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$languages = $site->getAvailableLanguages($this->getBackendUser(), true, $pageIdDefaultLanguage);
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$languageRows = [];
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foreach ($languages as $language) {
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$languageId = $language->getLanguageId();
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if ($languageId > 0) {
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$iso = $language->getLocale()->getLanguageCode();
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} else {
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$iso = 'DEF';
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}
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$languageRows[$languageId] = [
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'uid' => $languageId,
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'title' => $language->getTitle(),
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'iso' => $iso,
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'flagIconIdentifier' => $language->getFlagIdentifier(),
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];
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if (empty($iso)) {
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// No iso code could be found. This is currently possible in the system but discouraged.
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// So, code within FormEngine has to be suited to work with an empty iso code. However,
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// it may impact certain multi language scenarios, so we add a flash message hinting for
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// incomplete configuration here.
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// It might be possible to convert this to a non-catchable exception later if
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// it iso code is enforced on a different layer of the system (tca required + migration wizard).
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// @todo: This could be relaxed again if flex form language handling is extracted,
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// @todo: since the rest of the FormEngine code does not rely on iso code?
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$message = sprintf(
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$this->getLanguageService()->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:error.missingLanguageIsocode'),
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$language->getLocale()->getLanguageCode(),
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$languageId
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);
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$flashMessage = new FlashMessage(
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$message,
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'',
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ContextualFeedbackSeverity::ERROR
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);
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$defaultFlashMessageQueue = $this->flashMessageService->getMessageQueueByIdentifier();
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$defaultFlashMessageQueue->enqueue($flashMessage);
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}
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}
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$result['systemLanguageRows'] = $languageRows;
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return $result;
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}
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protected function getLanguageService(): LanguageService
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{
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return $GLOBALS['LANG'];
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}
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protected function getBackendUser(): BackendUserAuthentication
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{
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return $GLOBALS['BE_USER'];
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}
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}
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