Right-to-Left Support
The Navigation widgets fully support RTL languages. As is illustrated in this demo, the Navigation widgets 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;
}
let 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"
}]
}]
}];
let 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://github.com/DevExpress/devextreme-angular/blob/master/README.md
System.config({
transpiler: 'ts',
typescriptOptions: {
module: "commonjs",
emitDecoratorMetadata: true,
experimentalDecorators: true
},
meta: {
'typescript': {
"exports": "ts"
}
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'ts': 'npm:plugin-typescript@7.0.6/lib/plugin.js',
'typescript': 'npm:typescript@2.2.2/lib/typescript.js',
'@angular/core': 'npm:@angular/core@7.1.3/bundles/core.umd.js',
'@angular/common': 'npm:@angular/common@7.1.3/bundles/common.umd.js',
'@angular/compiler': 'npm:@angular/compiler@7.1.3/bundles/compiler.umd.js',
'@angular/platform-browser': 'npm:@angular/platform-browser@7.1.3/bundles/platform-browser.umd.js',
'@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@7.1.3/bundles/platform-browser-dynamic.umd.js',
'@angular/router': 'npm:@angular/router@7.1.3/bundles/router.umd.js',
'@angular/forms': 'npm:@angular/forms@7.1.3/bundles/forms.umd.js',
'@angular/common/http': 'npm:@angular/common@7.1.3/bundles/common-http.umd.js',
'tslib': 'npm:tslib/tslib.js',
'rxjs': 'npm:rxjs@6.3.3',
'rxjs/operators': 'npm:rxjs@6.3.3/operators',
'devextreme': 'npm:devextreme@19.1',
'jquery': 'npm:jquery@3.1.1/dist/jquery.min.js',
'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js',
'quill': 'npm:quill@1.3.6/dist/quill.js',
'devexpress-diagram': 'npm:devexpress-diagram',
'devextreme-angular': 'npm:devextreme-angular@19.1'
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts'
},
'devextreme': {
defaultExtension: 'js'
},
'rxjs': { main: 'index.js', defaultExtension: 'js' },
'rxjs/operators': { main: 'index.js', defaultExtension: 'js' },
'devextreme-angular': {
main: 'index.js',
defaultExtension: 'js'
}
}
});
<!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/19.1.3/css/dx.common.css" />
<link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/19.1.3/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@0.6.25/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>