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The Accordion component contains several panels displayed one under another. These panels can be collapsed or expanded by a user, which makes this component 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( { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'], providers: [Service], preserveWhitespaces: true }) 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);
::ng-deep #accordion h1 { font-size: 20px; } ::ng-deep #accordion h1, ::ng-deep #accordion p { margin: 0; } ::ng-deep .dx-theme-material #accordion .dx-accordion-item-opened .dx-accordion-item-title { display: flex; } ::ng-deep .dx-theme-material #accordion .dx-accordion-item-opened h1 { align-self: center; } ::ng-deep .options, ::ng-deep .selected-data { padding: 20px; background-color: rgba(191, 191, 191, 0.15); margin-top: 20px; } ::ng-deep .selected-data { position: relative; height: 36px; } ::ng-deep .selected-data > .caption { position: relative; top: 5px; margin-right: 10px; font-weight: bold; font-size: 115%; } ::ng-deep .selected-data > .dx-widget { position: absolute; left: 140px; right: 20px; top: 20px; } ::ng-deep .options > .caption { font-weight: 500; font-size: 18px; } ::ng-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": "" }, { "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": "" }, { "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": "" }, { "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": "" }]; @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: // System.config({ transpiler: 'ts', typescriptOptions: { module: "system", emitDecoratorMetadata: true, experimentalDecorators: true }, meta: { 'typescript': { "exports": "ts" }, 'devextreme/localization.js': { "esModule": true } }, paths: { 'npm:': '' }, map: { 'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js', 'typescript': 'npm:typescript@3.5.3/lib/typescript.js', '@angular': 'npm:@angular', 'tslib': 'npm:tslib@2.2.0/tslib.js', 'rxjs': 'npm:rxjs@6.4.0', 'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.26.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@20.2.7', 'jszip': 'npm:jszip@3.6.0/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@0.10.3/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.0.23', 'devexpress-gantt': 'npm:devexpress-gantt@2.0.29', 'devextreme-angular': 'npm:devextreme-angular@20.2.6', 'preact': 'npm:preact@10.5.13/dist/preact.js', 'preact/hooks': 'npm:preact@10.5.13/hooks/dist/hooks.js' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, 'devextreme/events/utils': { main: 'index' }, 'devextreme/events': { main: 'index' }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js' } }, packageConfigPaths: [ "npm:@angular/*/package.json", "npm:@angular/common/*/package.json", "npm:rxjs/package.json", "npm:rxjs/operators/package.json", "npm:devextreme-angular/*/package.json", "npm:devextreme-angular/ui/*/package.json", "npm:devextreme-angular/package.json", "npm:devexpress-diagram/package.json", "npm:devexpress-gantt/package.json", ] });
<!DOCTYPE html> <html xmlns=""> <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="" /> <link rel="stylesheet" type="text/css" href="" /> <script src=""></script> <script src=""></script> <script src=""></script> <script src=""></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>