create translate module and add select transtlate and fix toolbar component

Author: Stivin

src/app/app.component.ts

@@ -1,6 +1,5 @@
 import { Component } from '@angular/core';
 import { MetaService } from '@ngx-meta/core';
-import { TranslateService } from '@ngx-translate/core';
 
 @Component({
   selector: 'app-root',
@@ -9,13 +8,7 @@ import { TranslateService } from '@ngx-translate/core';
 })
 export class AppComponent {
 
-  constructor(private readonly meta: MetaService,
-              private translate: TranslateService) {
-    this.translate.setDefaultLang('en');
+  constructor(private readonly meta: MetaService) {
     this.meta.setTag('og:title', 'home ctor');
   }
-
-  changeLang(lang: string): void {
-    this.translate.use(lang);
-  }
 }

src/app/shared/layouts/footer/footer.component.html

@@ -1,4 +0,0 @@
-<ul>
-    <li><button (click)="changeLang('en')">EN</button></li>
-    <li><button (click)="changeLang('ru')">RU</button></li>
-</ul>

src/app/shared/layouts/layouts.module.ts

@@ -2,6 +2,8 @@ import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
 import { RouterModule } from '@angular/router';
 
+import { TranslateModule } from '@shared/translate/translate.module';
+
 import { FooterComponent } from './footer/footer.component';
 import { SidebarComponent } from './sidebar/sidebar.component';
 import { ToolbarComponent } from './toolbar/toolbar.component';
@@ -11,6 +13,7 @@ import { WrapperComponent } from './wrapper/wrapper.component';
   imports: [
     CommonModule,
     RouterModule,
+    TranslateModule
   ],
   declarations: [
     FooterComponent,

src/app/shared/layouts/toolbar/toolbar.component.html

@@ -1 +1,13 @@
-<span>Angular RU Universal Starter</span>
+<span class="toolbar__logo">Angular RU Universal Starter</span>
+
+<select class="toolbar__lang" (change)="changeLang($event.target.value)">
+    <option *ngFor="let lang of languages" [value]="lang.value">
+        {{ lang.name }}
+    </option>
+</select>
+<a href="https://github.com/Angular-RU/angular-universal-starter"
+   class="toolbar__github">
+    <img alt="angular" class="docs-angular-logo"
+         src="/assets/img/github-circle-white-transparent.svg">
+    GitHub
+</a>

src/app/shared/layouts/toolbar/toolbar.component.ts

@@ -1,8 +1,23 @@
 import { Component } from '@angular/core';
 
+import { TranslateService } from '@shared/translate/translate.service';
+
+const LANGUAGES: any[] = [
+  { value: 'ru', name: 'Русский' },
+  { value: 'en', name: 'English' }
+];
+
 @Component({
   selector: 'app-toolbar',
   templateUrl: './toolbar.component.html'
 })
 export class ToolbarComponent {
+  public languages: any[] = LANGUAGES;
+
+  constructor(private _translateService: TranslateService) {
+  }
+
+  public changeLang(lang: string): void {
+    this._translateService.changeLang(lang);
+  }
 }

src/app/shared/shared.module.ts

@@ -1,10 +1,12 @@
 import { ModuleWithProviders, NgModule } from '@angular/core';
 
 import { LayoutsModule } from './layouts/layouts.module';
+import { TranslateModule } from './translate/translate.module';
 
 @NgModule({
   exports: [
-    LayoutsModule
+    LayoutsModule,
+    TranslateModule
   ],
   providers: []
 })

src/app/shared/translate/translate.module.ts

@@ -0,0 +1,12 @@
+import { NgModule } from '@angular/core';
+import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
+import { TranslateHttpLoader } from '@ngx-translate/http-loader';
+
+import { TranslateService } from './translate.service';
+
+@NgModule({
+  imports: [],
+  providers: [TranslateService]
+})
+export class TranslateModule {
+}

src/app/shared/translate/translate.service.ts

@@ -0,0 +1,15 @@
+import { Injectable } from '@angular/core';
+import { TranslateService } from '@ngx-translate/core';
+
+const DEFAULT_LANG: string = 'ru';
+
+@Injectable()
+export class TranslateService {
+  constructor(private _translateService: TranslateService) {
+    this._translateService.setDefaultLang(DEFAULT_LANG);
+  }
+
+  public changeLang(lang: string): void {
+    this._translateService.use(lang);
+  }
+}

src/assets/img/github-circle-white-transparent.svg

@@ -7,6 +7,7 @@
   <link rel="manifest" href="manifest.json">
   <meta name="theme-color" content="#000000">
   <base href="/">
+  <link href="https://fonts.googleapis.com/css?family=Roboto:300,400,500" rel="stylesheet">
   <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <link rel="icon" type="image/x-icon" href="favicon.ico">