Utilize ngx-translate in Ionic 2 for translating menu items

I have successfully implemented ngx-translate for multi-language support in my application. However, I am now looking to extend this functionality to my menu items. How can I achieve this for my 3 menu items with different titles?

ts file

appPages: PageObj[] = [
    { title: 'Profile', component: ProfilePage, icon: 'person' },
    { title: 'My Account', component: MyaccountPage, index: 1, icon: 'cash' },    
    { title: 'FAQ', component: FaqPage, index: 3, icon: 'chatbubbles' }    
  ];

HTML

 <button ion-item menuClose *ngFor="let p of appPages" (click)="openPage(p)">
    <ion-icon item-left [name]="p.icon"></ion-icon>
     {{p.title}}
 </button>

And my module.ts

import {NgModule} from '@angular/core';
import {BrowserModule} from '@angular/platform-browser';
import {HttpClientModule, HttpClient} from '@angular/common/http';
import {TranslateModule, TranslateLoader} from '@ngx-translate/core';
import {TranslateHttpLoader} from '@ngx-translate/http-loader';
import {AppComponent} from './app';

// AoT requires an exported function for factories
export function HttpLoaderFactory(http: HttpClient) {
    return new TranslateHttpLoader(http);
}

@NgModule({
    imports: [
        BrowserModule,
        HttpClientModule,
        TranslateModule.forRoot({
            loader: {
                provide: TranslateLoader,
                useFactory: HttpLoaderFactory,
                deps: [HttpClient]
            }
        })
    ],
    bootstrap: [AppComponent]
})
export class AppModule { }

Answer №1

Start by creating JSON files for various languages in the assets folder, such as en.json, fr.json, kh.json.

https://i.sstatic.net/Nu9d9.png

en.json:

{
  // Add your content...,
  "PROFILE": "Profile",
  "MY_ACCOUNT": "My Account",
  "FAQ": "FAQ"
}

Modify the titles in the PageObj like so:

appPages: PageObj[] = [
    { title: 'PROFILE', component: ProfilePage, icon: 'person' },
    { title: 'MY_ACCOUNT', component: MyaccountPage, index: 1, icon: 'cash' },    
    { title: 'FAQ', component: FaqPage, index: 3, icon: 'chatbubbles' }    
  ];

Update your app.module.ts as follows:

import {NgModule} from '@angular/core';
import {BrowserModule} from '@angular/platform-browser';
import { Http, HttpModule } from '@angular/http';
import {TranslateModule, TranslateLoader} from '@ngx-translate/core';
import {TranslateHttpLoader} from '@ngx-translate/http-loader';
import {AppComponent} from './app';

// For AoT compilation
export function HttpLoaderFactory(http: Http) {
    return new TranslateHttpLoader(http, './assets/i18n/', '.json');
}

@NgModule({
    imports: [
        BrowserModule,
        HttpModule,
        TranslateModule.forRoot({
            loader: {
                provide: TranslateLoader,
                useFactory: HttpLoaderFactory,
                deps: [Http]
            }
        })
    ],
    bootstrap: [AppComponent]
})
export class AppModule { }

Include the translate pipe in your view (e.g., *.html):

<button ion-item menuClose *ngFor="let p of appPages" (click)="openPage(p)">
    <ion-icon item-left [name]="p.icon"></ion-icon>
     {{ p.title | translate }}
 </button>

To set a default or specific language:

// Set a fallback language for translations
translate.setDefaultLang('en');

// Use a specific language, fallback to loader if not found
translate.use('en');

Learn more about internationalization (i18n) in Angular 2+ at: http://www.ngx-translate.com

Hope this information proves helpful!

Answer №2

To ensure multilingual support, you can assign the title property of each menu item as a translation key, as demonstrated below:

// Language file
// en.json
{
  // Your content...,
  "PROFILE": "Profile",
  "MY_ACCOUNT": "My Account",
  "FAQ": "FAQ"
}

Next, in your .ts file:

appPages: PageObj[] = [
    { title: 'PROFILE', component: ProfilePage, icon: 'person' },
    { title: 'MY_ACCOUNT', component: MyaccountPage, index: 1, icon: 'cash' },    
    { title: 'FAQ', component: FaqPage, index: 3, icon: 'chatbubbles' }    
  ];

Finally, simply apply the translate pipe within the view to translate each menu item:

<button ion-item menuClose *ngFor="let p of appPages" (click)="openPage(p)">
    <ion-icon item-left [name]="p.icon"></ion-icon>
     {{ p.title | translate }}
 </button>

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