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RadioGroup

Radio Group

Documentation
The RadioGroup is a widget that contains a set of radio buttons and allows an end user to make a single selection from the set. This demo illustrates how to change the widget layout, define a custom template and handle the value change event.
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<div class="form"> <div class="dx-fieldset"> <div class="dx-field"> <div class="dx-field-label">Default mode</div> <div class="dx-field-value"> <dx-radio-group [items]="priorities" [value]="priorities[0]"> </dx-radio-group> </div> </div> <div class="dx-field"> <div class="dx-field-label">Disabled</div> <div class="dx-field-value"> <dx-radio-group [items]="priorities" [value]="priorities[1]" [disabled]="true"> </dx-radio-group> </div> </div> <div class="dx-field"> <div class="dx-field-label">Horizontal layout</div> <div class="dx-field-value"> <dx-radio-group [items]="priorities" [value]="priorities[0]" layout="horizontal"> </dx-radio-group> </div> </div> <div class="dx-field"> <div class="dx-field-label">Custom item template</div> <div class="dx-field-value"> <dx-radio-group [items]="priorities" [(value)]="priority" [ngClass]="priority.toLowerCase()"> <div *dxTemplate="let priority of 'item'"> <div>{{priority}}</div> </div> </dx-radio-group> </div> </div> <div class="dx-field"> <div class="dx-field-label">Event handling</div> <div class="dx-field-value"> <dx-radio-group #eventRadioGroup id="radio-group-with-selection" [items]="priorities" (onValueChanged)="onValueChanged($event)"> </dx-radio-group> </div> </div> </div> <div id="tasks-list"> Tasks by selected priority: <ul id="list"> <li *ngFor="let data of currentData"> {{data}} </li> </ul> </div> </div>
import { NgModule, Component, ViewChild, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxRadioGroupModule, DxRadioGroupComponent, DxTemplateModule } from 'devextreme-angular'; import data from "devextreme/data/array_store"; import { Service, Task } from './app.service'; if(!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', providers: [Service], templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'] }) export class AppComponent { @ViewChild("eventRadioGroup") eventRadioGroup: DxRadioGroupComponent; priorities: string[]; priority: string; tasks: Task[]; data: any; currentData: string[] = []; constructor(service: Service) { this.tasks = service.getTasks(); this.priorities = [ "Low", "Normal", "Urgent", "High" ]; this.priority = this.priorities[2]; this.currentData[0] = this.tasks[1].subject; } ngOnInit() { this.data = new data({ data: this.tasks, key: "ID" }); } ngAfterViewInit(){ this.eventRadioGroup.instance.option("value", this.priorities[0]); } onValueChanged($event){ this.currentData = []; this.tasks.forEach((item, index) => { if(item.priority == $event.value) { this.currentData.push(this.tasks[index].subject); } }); } } @NgModule({ imports: [ BrowserModule, DxRadioGroupModule, DxTemplateModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
/deep/ .low .dx-radiobutton-checked .dx-radiobutton-icon .dx-radiobutton-icon-dot { background: gray; } /deep/ .normal .dx-radiobutton-checked .dx-radiobutton-icon .dx-radiobutton-icon-dot { background: green; } /deep/ .urgent .dx-radiobutton-checked .dx-radiobutton-icon .dx-radiobutton-icon-dot { background: orange; } /deep/ .high .dx-radiobutton-checked .dx-radiobutton-icon .dx-radiobutton-icon-dot { background: red; } /deep/ #radio-group-with-selection { margin-bottom: 10px; } /deep/ #tasks-list { margin: 0 0 10px 10px; white-space: normal; } /deep/ #list { margin: 10px 0 0 20px; padding-left: 0; text-align: left; }
import { Injectable } from '@angular/core'; export class Task { subject: string; priority: string } let tasks: Task[] = [{ subject: "Choose between PPO and HMO Health Plan", priority: "High" }, { subject: "Non-Compete Agreements", priority: "Low" }, { subject: "Comment on Revenue Projections", priority: "Normal" }, { subject: "Sign Updated NDA", priority: "Urgent" }, { subject: "Submit Questions Regarding New NDA", priority: "High" }, { subject: "Rollout of New Website and Marketing Brochures", priority: "High" }]; @Injectable() export class Service { getTasks(): Task[] { return tasks; } }
// 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@4.1.0/bundles/core.umd.js', '@angular/common': 'npm:@angular/common@4.1.0/bundles/common.umd.js', '@angular/compiler': 'npm:@angular/compiler@4.1.0/bundles/compiler.umd.js', '@angular/platform-browser': 'npm:@angular/platform-browser@4.1.0/bundles/platform-browser.umd.js', '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@4.1.0/bundles/platform-browser-dynamic.umd.js', '@angular/http': 'npm:@angular/http@4.1.0/bundles/http.umd.js', '@angular/router': 'npm:@angular/router@4.1.0/bundles/router.umd.js', '@angular/forms': 'npm:@angular/forms@4.1.0/bundles/forms.umd.js', 'rxjs': 'npm:rxjs@5.3.1', 'devextreme': 'npm:devextreme@17.1', 'jquery': 'npm:jquery@3.1.1/dist/jquery.min.js', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'devextreme-angular': 'npm:devextreme-angular@17.1' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { 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/17.1.7/css/dx.spa.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.1.7/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/17.1.7/css/dx.light.css" /> <link rel="dx-theme" data-theme="android5.light" href="https://cdn3.devexpress.com/jslib/17.1.7/css/dx.android5.light.css" /> <link rel="dx-theme" data-theme="ios7.default" href="https://cdn3.devexpress.com/jslib/17.1.7/css/dx.ios7.default.css" /> <link rel="dx-theme" data-theme="win10.black" href="https://cdn3.devexpress.com/jslib/17.1.7/css/dx.win10.black.css" /> <link rel="dx-theme" data-theme="win10.white" href="https://cdn3.devexpress.com/jslib/17.1.7/css/dx.win10.white.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@0.19.31/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>