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Menu

Overview

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The Menu widget is a panel with clickable items. A click on an item opens a drop-down menu, which can contain several submenus.
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<div class="form"> <div> <div class="label">Catalog:</div> <dx-menu #menu [dataSource]="products" displayExpr="name" [showFirstSubmenuMode]="showFirstSubmenuModes" orientation="horizontal" submenuDirection="auto" [hideSubmenuOnMouseLeave]="false" (onItemClick)="itemClick($event)" > </dx-menu> <div id="product-details" *ngIf="currentProduct"> <img src="{{currentProduct.iconSrc}}" /> <div class="name">{{currentProduct.name}}</div> <div class="price">{{"$" + currentProduct.price}}</div> </div> </div> <div class="options"> <div class="caption">Options</div> <div class="option"> <div>Show First Submenu Mode</div> <dx-select-box [items]="showSubmenuModes" displayExpr="name" [(value)]="showFirstSubmenuModes" ></dx-select-box> </div> <div class="option"> <div>Orientation</div> <dx-select-box [items]="['horizontal', 'vertical']" [(value)]="menu.orientation" ></dx-select-box> </div> <div class="option"> <div>Submenu Direction</div> <dx-select-box [items]="['auto', 'rightOrBottom', 'leftOrTop']" [(value)]="menu.submenuDirection" ></dx-select-box> </div> <div class="option"> <dx-check-box text="Hide Submenu on Mouse Leave" [(value)]="menu.hideSubmenuOnMouseLeave" ></dx-check-box> </div> </div> </div>
import { NgModule, Component, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxMenuModule, DxSelectBoxModule, DxCheckBoxModule } from 'devextreme-angular'; import { Product, 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 { products: Product[]; showSubmenuModes: any; showFirstSubmenuModes: any; currentProduct: Product; constructor(service: Service) { this.products = service.getProducts(); this.showSubmenuModes = [{ name: "onHover", delay: { show: 0, hide: 500 } }, { name: "onClick", delay: { show: 0, hide: 300 } }]; this.showFirstSubmenuModes = this.showSubmenuModes[1]; } itemClick(data) { let item = data.itemData; if(item.price) { this.currentProduct = item; } } } @NgModule({ imports: [ BrowserModule, DxMenuModule, DxSelectBoxModule, DxCheckBoxModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
/deep/ .form > div:first-child { margin-right: 320px; } /deep/ .label { font-size: 22px; } /deep/ #product-details { margin: 20px auto 0; width: 400px; height: 400px; } /deep/ #product-details > img { height: 300px; width: 400px; } /deep/ #product-details > .name { text-align: center; font-size: 20px; } /deep/ #product-details > .price { text-align: center; font-size: 24px; } /deep/ .dark #product-details > div { color: #f0f0f0; } /deep/ .options { padding: 20px; position: absolute; bottom: 0; right: 0; width: 260px; top: 0; background-color: #f5f5f5; } /deep/ .caption { font-size: 18px; font-weight: 500; } /deep/ .option { margin-top: 10px; } /deep/ .hidden { visibility: hidden; }
import { Injectable } from '@angular/core'; export class Product { id: string; name: string; iconSrc?: string; price?: number; disabled?: boolean; items?: Product[]; } var products: Product[] = [{ id: "1", name: "Video Players", items: [{ id: "1_1", name: "HD Video Player", price: 220, iconSrc: "../../../../images/products/1.png" }, { id: "1_2", name: "SuperHD Video Player", iconSrc: "../../../../images/products/2.png", price: 270 }] }, { id: "2", name: "Televisions", items: [{ id: "2_1", name: "SuperLCD 42", iconSrc: "../../../../images/products/7.png", price: 1200 }, { id: "2_2", name: "SuperLED 42", iconSrc: "../../../../images/products/5.png", price: 1450 }, { id: "2_3", name: "SuperLED 50", iconSrc: "../../../../images/products/4.png", price: 1600 }, { id: "2_4", name: "SuperLCD 55 (Not available)", iconSrc: "../../../../images/products/6.png", price: 1350, disabled: true }, { id: "2_5", name: "SuperLCD 70", iconSrc: "../../../../images/products/9.png", price: 4000 }] }, { id: "3", name: "Monitors", items: [{ id: "3_1", name: "19\"", items: [{ id: "3_1_1", name: "DesktopLCD 19", iconSrc: "../../../../images/products/10.png", price: 160 }] }, { id: "3_2", name: "21\"", items: [{ id: "3_2_1", name: "DesktopLCD 21", iconSrc: "../../../../images/products/12.png", price: 170 }, { id: "3_2_2", name: "DesktopLED 21", iconSrc: "../../../../images/products/13.png", price: 175 }] }] }, { id: "4", name: "Projectors", items: [{ id: "4_1", name: "Projector Plus", iconSrc: "../../../../images/products/14.png", price: 550 }, { id: "4_2", name: "Projector PlusHD", iconSrc: "../../../../images/products/15.png", price: 750 }] }]; @Injectable() export class Service { getProducts(): Product[] { return products; } }
// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular 2 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/17.1.5/css/dx.spa.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.1.5/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/17.1.5/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>