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Documentation

The Accordion widget contains several panels displayed one under another. These panels can be collapsed or expanded by a user, which makes this widget very useful for presenting information in a limited amount of space.

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<div id="accordion"> <dx-accordion #accordion [dataSource]="companies" [collapsible]="false" [multiple]="false" [animationDuration]="300" [selectedItems]="[companies[0]]"> <div *dxTemplate="let company of 'title'"> <h1>{{company.CompanyName}}</h1> </div> <div *dxTemplate="let company of 'item'"> <div> <p> <b>{{company.City}}</b> (<span>{{company.State}}</span>) </p> <p> <span>{{company.Zipcode}}</span> <span>{{company.Address}}</span> </p> </div> <div> <p> Phone: <b>{{company.Phone}}</b> </p> <p> Fax: <b>{{company.Fax}}</b> </p> <p> Website: <a href="{{company.Website}}" target="_blank"> {{company.Website}} </a> </p> </div> </div> </dx-accordion> <div class="selected-data"> <span class="caption">Selected Items</span> <dx-tag-box [dataSource]="companies" displayExpr="CompanyName" [(value)]="accordion.selectedItems" [disabled]="!accordion.multiple" ></dx-tag-box> </div> <div class="options"> <div class="caption">Options</div> <div class="option"> <dx-check-box text="Multiple enabled" [(value)]="accordion.multiple" ></dx-check-box> </div> <div class="option"> <dx-check-box text="Collapsible enabled" [(value)]="accordion.collapsible" ></dx-check-box> </div> <div class="option"> <span>Animation duration</span> <dx-slider [min]="0" [max]="1000" [(value)]="accordion.animationDuration" > <dxo-tooltip [enabled]="true" position="bottom"></dxo-tooltip> <dxo-label [visible]="true"></dxo-label> </dx-slider> </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, DxCheckBoxModule, DxSliderModule, DxTagBoxModule, DxTemplateModule } from 'devextreme-angular'; import { Company, 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 { companies: Company[]; constructor(service: Service) { this.companies = service.getCompanies(); } } @NgModule({ imports: [ BrowserModule, DxAccordionModule, DxCheckBoxModule, DxSliderModule, DxTagBoxModule, DxTemplateModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
/deep/ #accordion h1 { font-size: 20px; } /deep/ .options, /deep/ .selected-data { padding: 20px; background-color: rgba(191, 191, 191, 0.15); margin-top: 20px; } /deep/ .selected-data { position: relative; height: 36px; } /deep/ .selected-data > .caption { position: relative; top: 5px; margin-right: 10px; font-weight: bold; font-size: 115%; } /deep/ .selected-data > .dx-widget { position: absolute; left: 140px; right: 20px; top: 20px; } /deep/ .options > .caption { font-weight: 500; font-size: 18px; } /deep/ .option { margin-top: 10px; }
import { Injectable } from '@angular/core'; export class Company { ID: number; CompanyName: string; Address: string; City: string; State: string; Zipcode: number; Phone: string; Fax: string; Website: string; } let companies: Company[] = [{ "ID": 1, "CompanyName": "Super Mart of the West", "Address": "702 SW 8th Street", "City": "Bentonville", "State": "Arkansas", "Zipcode": 72716, "Phone": "(800) 555-2797", "Fax": "(800) 555-2171", "Website": "http://www.nowebsitesupermart.com" }, { "ID": 2, "CompanyName": "Electronics Depot", "Address": "2455 Paces Ferry Road NW", "City": "Atlanta", "State": "Georgia", "Zipcode": 30339, "Phone": "(800) 595-3232", "Fax": "(800) 595-3231", "Website": "http://www.nowebsitedepot.com" }, { "ID": 3, "CompanyName": "K&S Music", "Address": "1000 Nicllet Mall", "City": "Minneapolis", "State": "Minnesota", "Zipcode": 55403, "Phone": "(612) 304-6073", "Fax": "(612) 304-6074", "Website": "http://www.nowebsitemusic.com" }, { "ID": 4, "CompanyName": "Tom's Club", "Address": "999 Lake Drive", "City": "Issaquah", "State": "Washington", "Zipcode": 98027, "Phone": "(800) 955-2292", "Fax": "(800) 955-2293", "Website": "http://www.nowebsitetomsclub.com" }]; @Injectable() export class Service { getCompanies(): Company[] { return companies; } }
// 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@17.2', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'jquery': 'npm:jquery@3.1.1/dist/jquery.min.js', 'devextreme-angular': 'npm:devextreme-angular@17.2' }, 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/17.2.3/css/dx.spa.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.2.3/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/17.2.3/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@0.6.25/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>