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<?php
declare(strict_types=1);
/*
* 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\Core\Localization;
use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
use TYPO3\CMS\Core\Site\Entity\NullSite;
use TYPO3\CMS\Core\Site\SiteFinder;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* Provides ItemProcFunc fields for special population of available TYPO3 system languages
* @internal
*/
final class TcaSystemLanguageCollector
{
public function __construct(
private readonly Locales $locales
) {}
/**
* Populate languages and group by available languages of the Language packs
*/
public function populateAvailableSystemLanguagesForBackend(array &$fieldInformation): void
{
$languageItems = $this->locales->getLanguages();
$availableLanguages = [];
$unavailableLanguages = [];
foreach ($languageItems as $languageKey => $name) {
if ($this->locales->isLanguageKeyAvailable($languageKey)) {
$availableLanguages[] = ['label' => $name, 'value' => $languageKey, 'group' => 'installed'];
} else {
$unavailableLanguages[] = ['label' => $name, 'value' => $languageKey, 'group' => 'unavailable'];
}
}
// Ensure ordering of the items
$fieldInformation['items'] = array_merge($availableLanguages, $unavailableLanguages);
}
/**
* Provides a list of all languages available for ALL sites.
* In case no site configuration can be found in the system,
* a fallback is used to add at least the default language.
*
* Used by be_users and be_groups for their `allowed_languages` column.
*/
public function populateAvailableSiteLanguages(array &$fieldInformation): void
{
$allLanguages = [];
foreach ($this->getAllSites() as $site) {
foreach ($site->getAllLanguages() as $language) {
$languageId = $language->getLanguageId();
if (isset($allLanguages[$languageId])) {
// Language already provided by another site, just add the label separately
$allLanguages[$languageId]['label'] .= ', ' . $language->getTitle() . ' [Site: ' . $site->getIdentifier() . ']';
continue;
}
$allLanguages[$languageId] = [
'label' => $language->getTitle() . ' [Site: ' . $site->getIdentifier() . ']',
'value' => $languageId,
'icon' => $language->getFlagIdentifier(),
];
}
}
if ($allLanguages !== []) {
ksort($allLanguages);
foreach ($allLanguages as $item) {
$fieldInformation['items'][] = $item;
}
return;
}
// Fallback if no site configuration exists
$recordPid = (int)($fieldInformation['row']['pid'] ?? 0);
$languages = (new NullSite())->getAvailableLanguages($this->getBackendUser(), false, $recordPid);
foreach ($languages as $languageId => $language) {
$fieldInformation['items'][] = [
'label' => $language->getTitle(),
'value' => $languageId,
'icon' => $language->getFlagIdentifier(),
];
}
}
protected function getAllSites(): array
{
return GeneralUtility::makeInstance(SiteFinder::class)->getAllSites();
}
protected function getBackendUser(): BackendUserAuthentication
{
return $GLOBALS['BE_USER'];
}
}