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Right-to-Left Support

Right-to-Left Support

The Navigation components fully support RTL languages. As is illustrated in this demo, the Navigation components are able to display their contents in a right-to-left direction and fully mirror associated UI elements. Use the language drop-down menu (change from English to Arabic) to explore the differences between default and RTL modes available in DevExtreme.

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<div [ngClass]="{ 'dx-rtl': rtlEnabled }"> <div class="options"> <div class="caption">Options</div> <div class="dx-fieldset"> <div class="dx-field"> <div class="dx-field-label">Language</div> <div class="dx-field-value"> <dx-select-box [items]="languages" [value]="languages[1]" (onValueChanged)="selectLanguage($event)" ></dx-select-box> </div> </div> </div> </div> <div> <div class="dx-fieldset"> <div class="dx-fieldset-header"> <dx-menu [dataSource]="continents" [rtlEnabled]="rtlEnabled" [displayExpr]="rtlEnabled ? 'textAr' : 'text'" ></dx-menu> </div> </div> <div class="dx-fieldset"> <div class="dx-field"> <div class="dx-field-label"> <dx-tree-view [width]="200" [dataSource]="continents" [displayExpr]="rtlEnabled ? 'textAr' : 'text'" [rtlEnabled]="rtlEnabled" ></dx-tree-view> </div> <div class="dx-field-value"> <dx-accordion [dataSource]="europeCountries" [rtlEnabled]="rtlEnabled" [itemTitleTemplate]="rtlEnabled ? 'arabicTitle' : 'englishTitle'" [itemTemplate]="rtlEnabled ? 'arabic' : 'english'" > <div *dxTemplate="let item of 'arabicTitle'"> {{ item.nameAr }} </div> <div *dxTemplate="let country of 'arabic'"> <div>عاصمة: {{ country.capitalAr }} </div> <div>عدد السكان: {{ country.population }} نسمة</div> <div>المساحة: {{ country.area }} كم<sup>2</sup></div> </div> <div *dxTemplate="let item of 'englishTitle'"> {{ item.nameEn }} </div> <div *dxTemplate="let country of 'english'"> <div>Capital: {{ country.capitalEn }} </div> <div>Population: {{ country.population }} people</div> <div>Area: {{ country.area }} km<sup>2</sup></div> </div> </dx-accordion> </div> </div> </div> </div> </div>
import { NgModule, Component, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxAccordionModule, DxSelectBoxModule, DxMenuModule, DxTreeViewModule, DxTemplateModule, } from 'devextreme-angular'; import { Continent, EuropeCountry, Service } from './app.service'; if (!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'], providers: [Service], }) export class AppComponent { continents: Continent[]; europeCountries: EuropeCountry[]; languages: string[] = [ 'Arabic: Right-to-Left direction', 'English: Left-to-Right direction', ]; rtlEnabled = false; constructor(service: Service) { this.continents = service.getContinents(); this.europeCountries = service.getEuropeCountries(); } selectLanguage(e) { this.rtlEnabled = e.value === this.languages[0]; } } @NgModule({ imports: [ BrowserModule, DxAccordionModule, DxSelectBoxModule, DxMenuModule, DxTreeViewModule, DxTemplateModule, ], declarations: [AppComponent], bootstrap: [AppComponent], }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
sup { font-size: 0.8em; vertical-align: super; line-height: 0; } ::ng-deep .options { padding: 20px; background-color: rgba(191, 191, 191, 0.15); margin-bottom: 20px; } ::ng-deep .options .dx-fieldset { margin: 0; } ::ng-deep .caption { font-size: 18px; font-weight: 500; padding-right: 15px; } ::ng-deep .dx-theme-material .dx-accordion .dx-accordion-item-opened .dx-accordion-item-title { padding-top: 20px; }
import { Injectable } from '@angular/core'; export class Continent { id: string; text: string; textAr: string; items?: Continent[]; } export class EuropeCountry { nameAr: string; nameEn: string; population: number; area: number; capitalAr: string; capitalEn: string; } const continents: Continent[] = [{ id: '1', text: 'Africa', textAr: 'أفريقيا', items: [ { id: '1_2', text: 'Ethiopia', textAr: 'أثيوبيا', items: [{ id: '1_2_1', text: 'Addis Ababa', textAr: 'أديس أبابا', }, { id: '1_2_2', text: 'Dire Dawa', textAr: 'دير داوا', }], }, { id: '1_1', text: 'Nigeria', textAr: 'نيجيريا', items: [{ id: '1_1_1', text: 'Lagos', textAr: 'لاغوس', }, { id: '1_1_2', text: 'Kano', textAr: 'كانو', }], }, ], }, { id: '2', text: 'Asia', textAr: 'آسيا', items: [{ id: '2_1', text: 'China', textAr: 'الصين', items: [{ id: '2_1_1', text: 'Beijing', textAr: 'بكين', }, { id: '2_1_2', text: 'Shanghai', textAr: 'شنغهاي', }], }, { id: '2_2', text: 'India', textAr: 'الهند', items: [{ id: '2_2_1', text: 'Indianapolis', textAr: 'انديانابوليس', }, { id: '2_2_2', text: 'New Delhi', textAr: 'نيودلهي', }], }], }, { id: '3', text: 'Australia', textAr: 'أستراليا', items: [{ id: '3_1', text: 'Australia', textAr: 'أستراليا', items: [{ id: '3_1_1', text: 'Canberra', textAr: 'كانبيرا', }, { id: '3_1_2', text: 'Melbourne', textAr: 'ملبورن', }, { id: '3_1_3', text: 'Sydney', textAr: 'سيدني', }], }], }, { id: '4', text: 'Europe', textAr: 'أوروبا', items: [{ id: '4_1', text: 'Germany', textAr: 'ألمانيا', items: [{ id: '4_1_1', text: 'Berlin', textAr: 'البرلينية', }, { id: '4_1_2', text: 'Hamburg', textAr: 'هامبورغ', }], }, { id: '4_2', text: 'Russia', textAr: 'روسيا', items: [{ id: '4_2_1', text: 'Moscow', textAr: 'موسكو', }, { id: '4_2_2', text: 'Saint Petersburg', textAr: 'سانت بطرسبرغ', }], }], }, { id: '5', text: 'North America', textAr: 'أمريكا الشمالية', items: [{ id: '5_2', text: 'Mexico', textAr: 'المكسيك', items: [{ id: '5_2_1', text: 'Mexico City', textAr: 'مكسيكو سيتي', }, { id: '5_2_2', text: 'Guadalajara', textAr: 'غوادالاخارا', }], }, { id: '5_1', text: 'United States', textAr: 'الولايات المتحدة الأمريكية', items: [{ id: '5_1_1', text: 'New York', textAr: 'نيويورك', }, { id: '5_1_2', text: 'Washington', textAr: 'واشنطن', }], }], }, { id: '6', text: 'South America', textAr: 'أمريكا الجنوبية', items: [{ id: '6_1', text: 'Brazil', textAr: 'البرازيل', items: [{ id: '6_1_1', text: 'Brasilia', textAr: 'برازيليا', }, { id: '6_1_2', text: 'Sao Paulo', textAr: 'ساو باولو', }], }, { id: '6_2', text: 'Colombia', textAr: 'كولومبيا', items: [{ id: '6_2_1', text: 'Bogota', textAr: 'بوغوتا', }, { id: '6_2_2', text: 'Medellin', textAr: 'ميديلين', }], }], }]; const europeCountries: EuropeCountry[] = [{ nameAr: 'النمسا', nameEn: 'Austria', population: 8451900, area: 83855.0, capitalEn: 'Vienna', capitalAr: 'فيينا', }, { nameAr: 'بلجيكا', nameEn: 'Belgium', population: 11161600, area: 30528.0, capitalEn: 'Brussels', capitalAr: 'بروكسل', }, { nameAr: 'بلغاريا', nameEn: 'Bulgaria', population: 7284600, area: 110994.0, capitalEn: 'Sofia', capitalAr: 'صوفيا', }, { nameAr: 'كرواتيا', nameEn: 'Croatia', population: 4262100, area: 56594.0, capitalEn: 'Zagreb', capitalAr: 'زغرب', }]; @Injectable() export class Service { getContinents(): Continent[] { return continents; } getEuropeCountries(): EuropeCountry[] { return europeCountries; } }
// In real applications, you should not transpile code in the browser. // You can see how to create your own application with Angular and DevExtreme here: // https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/ window.config = { transpiler: 'ts', typescriptOptions: { module: 'system', emitDecoratorMetadata: true, experimentalDecorators: true, }, meta: { 'typescript': { 'exports': 'ts', }, 'devextreme/localization.js': { 'esModule': true, }, }, paths: { 'npm:': 'https://unpkg.com/', }, map: { 'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js', 'typescript': 'npm:typescript@3.5.3/lib/typescript.js', '@angular/core': 'npm:@angular/core@12.2.13', '@angular/platform-browser': 'npm:@angular/platform-browser@12.2.13', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@12.2.13', '@angular/forms': 'npm:@angular/forms@12.2.13', '@angular/common/http': 'npm:@angular/common@12.2.13/bundles/common-http.umd.js', '@angular/common': 'npm:@angular/common@12.2.13', '@angular/compiler': 'npm:@angular/compiler@12.2.13', 'tslib': 'npm:tslib@2.3.1/tslib.js', 'rxjs': 'npm:rxjs@6.4.0', 'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.28.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@21.2.3/cjs', 'devextreme/bundles/dx.all': 'npm:devextreme@21.2.3/bundles/dx.all.js', 'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.5.5/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.1.37', 'devexpress-gantt': 'npm:devexpress-gantt@3.1.24', 'devextreme-angular': 'npm:devextreme-angular@21.2.3', '@devextreme/vdom': 'npm:@devextreme/vdom@2.2.3', '@devextreme/runtime': 'npm:@devextreme/runtime@2.3.8', 'inferno': 'npm:inferno@7.4.10/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat@7.4.10/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@7.4.10/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom@1.0.7/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate@7.4.10/dist/inferno-hydrate.min.js', 'inferno-clone-vnode': 'npm:inferno-clone-vnode@7.4.10/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class@7.4.10/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras@7.4.10/dist/inferno-extras.min.js', }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts', }, 'devextreme': { defaultExtension: 'js', }, '@devextreme/vdom': { defaultExtension: 'js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@2.3.8/inferno/package.json', 'npm:@angular/*/package.json', 'npm:@angular/common/*/package.json', 'npm:rxjs@6.4.0/package.json', 'npm:rxjs@6.4.0/operators/package.json', 'npm:devextreme-angular/*/package.json', 'npm:devextreme-angular@21.2.3/ui/*/package.json', 'npm:devextreme-angular@21.2.3/package.json', 'npm:devexpress-diagram@2.1.37/package.json', 'npm:devexpress-gantt@3.1.24/package.json', ], }; System.config(window.config);
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.2.3/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.2.3/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/zone.js@0.11.4/dist/zone.js"></script> <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script src="config.js"></script> <script> System.import("app").catch(console.error.bind(console)); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <demo-app>Loading...</demo-app> </div> </body> </html>