[AAE-10103] language-menu storybook (#7732)

lib/core/mock/language.service.mock.ts

@@ -0,0 +1,55 @@
+/*!
+ * @license
+ * Copyright 2022 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { LanguageServiceInterface } from './../services/language.service.interface';
+import { Injectable } from '@angular/core';
+import { BehaviorSubject } from 'rxjs';
+import { LanguageItem } from '../services/language-item.interface';
+
+@Injectable()
+export class LanguageServiceMock implements LanguageServiceInterface {
+
+    private languages = new BehaviorSubject<LanguageItem[]>([
+        {key: 'de', label: 'Deutsch'},
+        {key: 'en', label: 'English'},
+        {key: 'es', label: 'Español'},
+        {key: 'fr', label: 'Français'},
+        {key: 'it', label: 'Italiano'},
+        {key: 'ja', label: '日本語'},
+        {key: 'nb', label: 'Bokmål'},
+        {key: 'nl', label: 'Nederlands'},
+        {key: 'pt-BR', label: 'Português (Brasil)'},
+        {key: 'ru', label: 'Русский'},
+        {key: 'zh-CN', label: '中文简体'},
+        {key: 'cs', label: 'Čeština'},
+        {key: 'da', label: 'Dansk'},
+        {key: 'fi', label: 'Suomi'},
+        {key: 'pl', label: 'Polski'},
+        {key: 'sv', label: 'Svenska'},
+        {key: 'ar', label: 'العربية', direction: 'rtl'}
+    ]);
+
+    languages$ = this.languages.asObservable();
+
+    changeLanguage(_language: LanguageItem): void {
+    }
+
+    setLanguages(items: LanguageItem[]): void {
+        if (items?.length > 0) {
+            this.languages.next(items);
+        }
+    }
+}