TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
commit af8cc155b5
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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 Symfony\Component\DependencyInjection\Attribute\Autoconfigure;
+use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
+use TYPO3\CMS\Core\Site\Entity\NullSite;
+use TYPO3\CMS\Core\Site\SiteFinder;
+
+/**
+ * Provides ItemsProcFunc fields for special population of available TYPO3 system languages
+ * @internal
+ */
+#[Autoconfigure(public: true)]
+final readonly class TcaSystemLanguageCollector
+{
+    public function __construct(
+        private Locales $locales,
+        private SiteFinder $siteFinder,
+    ) {}
+
+    /**
+     * Populate languages and group by available languages of the Language packs
+     */
+    public function populateAvailableSystemLanguagesForBackend(array &$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(),
+            ];
+        }
+    }
+
+    private function getAllSites(): array
+    {
+        return $this->siteFinder->getAllSites();
+    }
+
+    private function getBackendUser(): BackendUserAuthentication
+    {
+        return $GLOBALS['BE_USER'];
+    }
+}