IBX-2964: Flatpickr widget localization

src/bundle/Resources/config/services/ui_config/common.yaml

@@ -117,3 +117,7 @@ services:
             $configResolver: '@ezpublish.config.resolver'
         tags:
             - { name: ezplatform.admin_ui.config_provider, key: 'iconPaths' }
+
+    Ibexa\AdminUi\UI\Config\Provider\BackOfficeLanguage:
+        tags:
+            - { name: ezplatform.admin_ui.config_provider, key: 'backOfficeLanguage' }

src/bundle/Resources/encore/ez.js.config.js

@@ -26,6 +26,7 @@ const layout = [
     path.resolve(__dirname, '../public/js/scripts/admin.notifications.modal.js'),
     path.resolve(__dirname, '../public/js/scripts/admin.location.add.translation.js'),
     path.resolve(__dirname, '../public/js/scripts/admin.form.autosubmit.js'),
+    path.resolve(__dirname, '../public/js/scripts/widgets/flatpickr.js'),
 ];
 const fieldTypes = [];
 

src/bundle/Resources/public/js/scripts/widgets/flatpickr.js

@@ -0,0 +1,9 @@
+import flatpickrLanguages
+    from '../../../../../../../../../../public/bundles/ezplatformadminuiassets/vendors/flatpickr/dist/l10n';
+
+(function (global, doc, eZ, flatpickr) {
+    const { backOfficeLanguage } = eZ.adminUiConfig;
+    const flatpickrLanguage = flatpickrLanguages[backOfficeLanguage] ?? flatpickrLanguages.default;
+
+    flatpickr.localize(flatpickrLanguage);
+})(window, window.document, window.eZ, window.flatpickr);

src/lib/UI/Config/Provider/BackOfficeLanguage.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * @copyright Copyright (C) Ibexa AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace Ibexa\AdminUi\UI\Config\Provider;
+
+use EzSystems\EzPlatformAdminUi\UI\Config\ProviderInterface;
+use EzSystems\EzPlatformUser\UserSetting\UserSettingService;
+
+final class BackOfficeLanguage implements ProviderInterface
+{
+    /** @var \EzSystems\EzPlatformUser\UserSetting\UserSettingService */
+    private $userSettingService;
+
+    public function __construct(UserSettingService $userSettingService)
+    {
+        $this->userSettingService = $userSettingService;
+    }
+
+    /**
+     * @inheritdoc
+     *
+     * @throws \eZ\Publish\API\Repository\Exceptions\InvalidArgumentException
+     * @throws \eZ\Publish\API\Repository\Exceptions\UnauthorizedException
+     */
+    public function getConfig(): string
+    {
+        $language = $this->userSettingService->getUserSetting('language');
+
+        return $language->value;
+    }
+}