Overview
The SelectBox widget is an editor that allows an end user to select an item from a drop-down list.
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<div class="dx-fieldset">
<div class="dx-field">
<div class="dx-field-label">Default mode</div>
<div class="dx-field-value">
<dx-select-box [items]="simpleProducts"></dx-select-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">With a custom placeholder</div>
<div class="dx-field-value">
<dx-select-box
[items]="simpleProducts"
placeholder="Choose Product"
[showClearButton]="true"
></dx-select-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Read only</div>
<div class="dx-field-value">
<dx-select-box
[items]="simpleProducts"
[value]="simpleProducts[0]"
[readOnly]="true"
></dx-select-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Disabled</div>
<div class="dx-field-value">
<dx-select-box
[items]="simpleProducts"
[value]="simpleProducts[0]"
[disabled]="true"
></dx-select-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Data source usage</div>
<div class="dx-field-value">
<dx-select-box
[dataSource]="data"
displayExpr="Name"
valueExpr="ID"
[value]="products[0].ID"
></dx-select-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Custom templates</div>
<div class="dx-field-value">
<dx-select-box
id="custom-templates"
[dataSource]="products"
displayExpr="Name"
valueExpr="ID"
[value]="products[3].ID"
fieldTemplate="field"
>
<div *dxTemplate="let data of 'field'">
<div class="custom-item">
<img src="{{data && data.ImageSrc}}"/>
<dx-text-box class="product-name"
[value]="data && data.Name"
[readOnly]="true"
></dx-text-box>
</div>
</div>
<div *dxTemplate="let data of 'item'">
<div class="custom-item">
<img src="{{data.ImageSrc}}" />
<div class="product-name">
{{data.Name}}
</div>
</div>
</div>
</dx-select-box>
</div>
</div>
</div>
<div class="dx-fieldset">
<div class="dx-fieldset-header">Event Handling</div>
<div class="dx-field">
<div class="dx-field-label">Product</div>
<div class="dx-field-value">
<dx-select-box #selectBox [items]="simpleProducts" [value]="simpleProducts[0]">
</dx-select-box>
</div>
</div>
<div class="current-value">
Selected product is <span>{{selectBox.value}}</span>
</div>
</div>
import { NgModule, Component, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxSelectBoxModule,
DxTextBoxModule,
DxTemplateModule } from 'devextreme-angular';
import ArrayStore from 'devextreme/data/array_store';
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 {
simpleProducts: string[];
products: Product[];
data: any;
constructor(service: Service) {
this.products = service.getProducts();
this.simpleProducts = service.getSimpleProducts();
this.data = new ArrayStore({
data: this.products,
key: "ID"
});
}
}
@NgModule({
imports: [
BrowserModule,
DxSelectBoxModule,
DxTextBoxModule,
DxTemplateModule
],
declarations: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep .dx-dropdownlist-popup-wrapper .dx-list:not(.dx-list-select-decorator-enabled) .dx-list-item-content {
padding-left: 7px;
padding-right: 7px;
}
::ng-deep .custom-item {
position: relative;
min-height: 30px;
}
::ng-deep .dx-dropdowneditor-input-wrapper .custom-item > img {
padding-left: 8px;
}
::ng-deep .custom-item .product-name {
display: inline-block;
padding-left: 50px;
text-indent: 0;
line-height: 30px;
font-size: 15px;
width: 100%;
}
::ng-deep .custom-item > img {
left: 1px;
position: absolute;
top: 50%;
margin-top: -15px;
}
::ng-deep .dx-theme-material #custom-templates .dx-texteditor-buttons-container {
display: none;
}
::ng-deep .current-value {
padding: 10px 0;
}
::ng-deep .current-value > span {
font-weight: bold;
}
::ng-deep .dx-theme-material .dx-selectbox-container .product-name {
padding-left: 58px;
}
import { Injectable } from '@angular/core';
export class Product {
ID: number;
Name: string;
Price: number;
Current_Inventory: number;
Backorder: number;
Manufacturing: number;
Category: string;
ImageSrc: string;
}
let simpleProducts: string[] = [
"HD Video Player",
"SuperHD Video Player",
"SuperPlasma 50",
"SuperLED 50",
"SuperLED 42",
"SuperLCD 55",
"SuperLCD 42",
"SuperPlasma 65",
"SuperLCD 70",
"Projector Plus",
"Projector PlusHT",
"ExcelRemote IR",
"ExcelRemote BT",
"ExcelRemote IP"
];
let products: Product[] = [{
"ID": 1,
"Name": "HD Video Player",
"Price": 330,
"Current_Inventory": 225,
"Backorder": 0,
"Manufacturing": 10,
"Category": "Video Players",
"ImageSrc": "../../../../images/products/1-small.png"
}, {
"ID": 2,
"Name": "SuperHD Player",
"Price": 400,
"Current_Inventory": 150,
"Backorder": 0,
"Manufacturing": 25,
"Category": "Video Players",
"ImageSrc": "../../../../images/products/2-small.png"
}, {
"ID": 3,
"Name": "SuperPlasma 50",
"Price": 2400,
"Current_Inventory": 0,
"Backorder": 0,
"Manufacturing": 0,
"Category": "Televisions",
"ImageSrc": "../../../../images/products/3-small.png"
}, {
"ID": 4,
"Name": "SuperLED 50",
"Price": 1600,
"Current_Inventory": 77,
"Backorder": 0,
"Manufacturing": 55,
"Category": "Televisions",
"ImageSrc": "../../../../images/products/4-small.png"
}, {
"ID": 5,
"Name": "SuperLED 42",
"Price": 1450,
"Current_Inventory": 445,
"Backorder": 0,
"Manufacturing": 0,
"Category": "Televisions",
"ImageSrc": "../../../../images/products/5-small.png"
}, {
"ID": 6,
"Name": "SuperLCD 55",
"Price": 1350,
"Current_Inventory": 345,
"Backorder": 0,
"Manufacturing": 5,
"Category": "Televisions",
"ImageSrc": "../../../../images/products/6-small.png"
}, {
"ID": 7,
"Name": "SuperLCD 42",
"Price": 1200,
"Current_Inventory": 210,
"Backorder": 0,
"Manufacturing": 20,
"Category": "Televisions",
"ImageSrc": "../../../../images/products/7-small.png"
}, {
"ID": 8,
"Name": "SuperPlasma 65",
"Price": 3500,
"Current_Inventory": 0,
"Backorder": 0,
"Manufacturing": 0,
"Category": "Televisions",
"ImageSrc": "../../../../images/products/8-small.png"
}, {
"ID": 9,
"Name": "SuperLCD 70",
"Price": 4000,
"Current_Inventory": 95,
"Backorder": 0,
"Manufacturing": 5,
"Category": "Televisions",
"ImageSrc": "../../../../images/products/9-small.png"
}, {
"ID": 10,
"Name": "DesktopLED 21",
"Price": 175,
"Current_Inventory": 0,
"Backorder": 425,
"Manufacturing": 75,
"Category": "Monitors",
"ImageSrc": "../../../../images/products/10-small.png"
}, {
"ID": 11,
"Name": "DesktopLED 19",
"Price": 165,
"Current_Inventory": 425,
"Backorder": 0,
"Manufacturing": 110,
"Category": "Monitors",
"ImageSrc": "../../../../images/products/11-small.png"
}, {
"ID": 12,
"Name": "DesktopLCD 21",
"Price": 170,
"Current_Inventory": 210,
"Backorder": 0,
"Manufacturing": 60,
"Category": "Monitors",
"ImageSrc": "../../../../images/products/12-small.png"
}, {
"ID": 13,
"Name": "DesktopLCD 19",
"Price": 160,
"Current_Inventory": 150,
"Backorder": 0,
"Manufacturing": 210,
"Category": "Monitors",
"ImageSrc": "../../../../images/products/13-small.png"
}, {
"ID": 14,
"Name": "Projector Plus",
"Price": 550,
"Current_Inventory": 0,
"Backorder": 55,
"Manufacturing": 10,
"Category": "Projectors",
"ImageSrc": "../../../../images/products/14-small.png"
}, {
"ID": 15,
"Name": "Projector PlusHD",
"Price": 750,
"Current_Inventory": 110,
"Backorder": 0,
"Manufacturing": 90,
"Category": "Projectors",
"ImageSrc": "../../../../images/products/15-small.png"
}, {
"ID": 16,
"Name": "Projector PlusHT",
"Price": 1050,
"Current_Inventory": 0,
"Backorder": 75,
"Manufacturing": 57,
"Category": "Projectors",
"ImageSrc": "../../../../images/products/16-small.png"
}, {
"ID": 17,
"Name": "ExcelRemote IR",
"Price": 150,
"Current_Inventory": 650,
"Backorder": 0,
"Manufacturing": 190,
"Category": "Automation",
"ImageSrc": "../../../../images/products/17-small.png"
}, {
"ID": 18,
"Name": "ExcelRemote BT",
"Price": 180,
"Current_Inventory": 310,
"Backorder": 0,
"Manufacturing": 0,
"Category": "Automation",
"ImageSrc": "../../../../images/products/18-small.png"
}, {
"ID": 19,
"Name": "ExcelRemote IP",
"Price": 200,
"Current_Inventory": 0,
"Backorder": 325,
"Manufacturing": 225,
"Category": "Automation",
"ImageSrc": "../../../../images/products/19-small.png"
}];
@Injectable()
export class Service {
getSimpleProducts(): string[] {
return simpleProducts;
}
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>