Extracted language switch from ProductCatalog

src/bundle/Resources/config/services/forms.yaml

@@ -415,3 +415,5 @@ services:
         arguments:
             $siteAccessResolver: '@Ibexa\AdminUi\Siteaccess\NonAdminSiteaccessResolver'
             $siteAccessNameGenerator: '@Ibexa\AdminUi\Siteaccess\SiteAccessNameGenerator'
+
+    Ibexa\AdminUi\Form\Type\LanguageSwitchType: ~

src/lib/Form/Data/AbstractLanguageSwitchData.php

@@ -0,0 +1,31 @@
+<?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\Form\Data;
+
+use Ibexa\Contracts\Core\Repository\Values\Content\Language;
+
+abstract class AbstractLanguageSwitchData
+{
+    private ?Language $language;
+
+    public function __construct(?Language $language = null)
+    {
+        $this->language = $language;
+    }
+
+    public function getLanguage(): ?Language
+    {
+        return $this->language;
+    }
+
+    public function setLanguage(?Language $language): void
+    {
+        $this->language = $language;
+    }
+}

src/lib/Form/Type/LanguageSwitchType.php

@@ -0,0 +1,58 @@
+<?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\Form\Type;
+
+use Ibexa\AdminUi\Form\Data\AbstractLanguageSwitchData;
+use Ibexa\AdminUi\Form\Type\Language\ConfiguredLanguagesChoiceType;
+use Ibexa\Contracts\Core\Repository\LanguageService;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\ChoiceList\ChoiceList;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+final class LanguageSwitchType extends AbstractType
+{
+    private LanguageService $languageService;
+
+    public function __construct(LanguageService $languageService)
+    {
+        $this->languageService = $languageService;
+    }
+
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $languages = $options['languages'];
+
+        $builder->add(
+            'language',
+            ConfiguredLanguagesChoiceType::class,
+            [
+                'choice_loader' => ChoiceList::lazy(
+                    $this,
+                    function () use ($languages): iterable {
+                        return $this->languageService->loadLanguageListByCode($languages);
+                    },
+                    $languages
+                ),
+            ]
+        );
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'csrf_protection' => false,
+            'data_class' => AbstractLanguageSwitchData::class,
+            'method' => Request::METHOD_GET,
+        ]);
+
+        $resolver->setRequired('languages');
+    }
+}