Menu
Documentation
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($event)"
>
</dx-menu>
<div id="product-details" *ngIf="currentProduct">
<img src="{{currentProduct.icon}}" />
<div class="name">{{currentProduct.name}}</div>
<div class="price">{{"$" + 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);
::ng-deep .form {
margin-left: 3px;
}
::ng-deep .form > div:first-child {
margin-right: 320px;
}
::ng-deep .label {
font-size: 22px;
}
::ng-deep #product-details {
margin: 20px auto 0;
width: 400px;
height: 400px;
}
::ng-deep #product-details > img {
height: 300px;
width: 400px;
}
::ng-deep #product-details > .name {
text-align: center;
font-size: 20px;
}
::ng-deep #product-details > .price {
text-align: center;
font-size: 24px;
}
::ng-deep .dark #product-details > div {
color: #f0f0f0;
}
::ng-deep .options {
padding: 20px;
position: absolute;
bottom: 0;
right: 0;
width: 260px;
top: 0;
background-color: rgba(191, 191, 191, 0.15);
}
::ng-deep .caption {
font-size: 18px;
font-weight: 500;
}
::ng-deep .option {
margin-top: 10px;
}
::ng-deep .hidden {
visibility: hidden;
}
import { Injectable } from '@angular/core';
export class Product {
id: string;
name: string;
icon?: 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,
icon: "../../../../images/products/1.png"
}, {
id: "1_2",
name: "SuperHD Video Player",
icon: "../../../../images/products/2.png",
price: 270
}]
}, {
id: "2",
name: "Televisions",
items: [{
id: "2_1",
name: "SuperLCD 42",
icon: "../../../../images/products/7.png",
price: 1200
}, {
id: "2_2",
name: "SuperLED 42",
icon: "../../../../images/products/5.png",
price: 1450
}, {
id: "2_3",
name: "SuperLED 50",
icon: "../../../../images/products/4.png",
price: 1600
}, {
id: "2_4",
name: "SuperLCD 55 (Not available)",
icon: "../../../../images/products/6.png",
price: 1350,
disabled: true
}, {
id: "2_5",
name: "SuperLCD 70",
icon: "../../../../images/products/9.png",
price: 4000
}]
}, {
id: "3",
name: "Monitors",
items: [{
id: "3_1",
name: "19\"",
items: [{
id: "3_1_1",
name: "DesktopLCD 19",
icon: "../../../../images/products/10.png",
price: 160
}]
}, {
id: "3_2",
name: "21\"",
items: [{
id: "3_2_1",
name: "DesktopLCD 21",
icon: "../../../../images/products/12.png",
price: 170
}, {
id: "3_2_2",
name: "DesktopLED 21",
icon: "../../../../images/products/13.png",
price: 175
}]
}]
}, {
id: "4",
name: "Projectors",
items: [{
id: "4_1",
name: "Projector Plus",
icon: "../../../../images/products/14.png",
price: 550
}, {
id: "4_2",
name: "Projector PlusHD",
icon: "../../../../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 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@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@3.4.5/lib/typescript.js',
'@angular/core': 'npm:@angular/core@8.0.0/bundles/core.umd.js',
'@angular/common': 'npm:@angular/common@8.0.0/bundles/common.umd.js',
'@angular/compiler': 'npm:@angular/compiler@8.0.0/bundles/compiler.umd.js',
'@angular/platform-browser': 'npm:@angular/platform-browser@8.0.0/bundles/platform-browser.umd.js',
'@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@8.0.0/bundles/platform-browser-dynamic.umd.js',
'@angular/router': 'npm:@angular/router@8.0.0/bundles/router.umd.js',
'@angular/forms': 'npm:@angular/forms@8.0.0/bundles/forms.umd.js',
'@angular/common/http': 'npm:@angular/common@8.0.0/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',
'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/19.1.4/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.1.4/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>