Overview
Documentation
The TagBox widget is an editor that allows an end user to select multiple items from a drop-down list.
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<div>
<div class="dx-fieldset">
<div class="dx-field">
<div class="dx-field-label">Default mode</div>
<div class="dx-field-value">
<dx-tag-box [items]="simpleProducts"></dx-tag-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Search mode</div>
<div class="dx-field-value">
<dx-tag-box
[items]="simpleProducts"
[searchEnabled]="true">
</dx-tag-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Batch selection</div>
<div class="dx-field-value">
<dx-tag-box
[items]="simpleProducts"
[showSelectionControls]="true"
applyValueMode="useButtons">
</dx-tag-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Hide selected items</div>
<div class="dx-field-value">
<dx-tag-box
[items]="simpleProducts"
[hideSelectedItems]="true">
</dx-tag-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Single line mode</div>
<div class="dx-field-value">
<dx-tag-box
[items]="simpleProducts"
[multiline]="false">
</dx-tag-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Edit mode</div>
<div class="dx-field-value">
<dx-tag-box
[items]="editableProducts"
[acceptCustomValue]="true"
(onCustomItemCreating)="onCustomItemCreating($event)">
</dx-tag-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">With custom placeholder</div>
<div class="dx-field-value">
<dx-tag-box
[items]="simpleProducts"
placeholder="Choose Product...">
</dx-tag-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Disabled</div>
<div class="dx-field-value">
<dx-tag-box
[items]="simpleProducts"
[value]="[simpleProducts[0]]"
[disabled]="true">
</dx-tag-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Data source</div>
<div class="dx-field-value">
<dx-tag-box
[dataSource]="dataSource"
displayExpr="Name"
valueExpr="Id">
</dx-tag-box>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Custom template</div>
<div class="dx-field-value">
<dx-tag-box
[dataSource]="dataSource"
displayExpr="Name"
valueExpr="Id"
itemTemplate="customItem">
<div *dxTemplate="let product of 'customItem'">
<div class="custom-item">
<img [src]="product.ImageSrc"/>
<div class="product-name">
{{product.Name}}
</div>
</div>
</div>
</dx-tag-box>
</div>
</div>
</div>
</div>
import { Component, NgModule, enableProdMode } from '@angular/core';
import { BrowserModule } from "@angular/platform-browser";
import { platformBrowserDynamic } from "@angular/platform-browser-dynamic";
import { DxTagBoxModule, DxTemplateModule } from "devextreme-angular";
import ArrayStore from "devextreme/data/array_store";
import { Service, Product } from './app.service';
if(!/localhost/.test(document.location.host)) {
enableProdMode();
}
@Component({
selector: 'demo-app',
providers: [Service],
templateUrl: 'app/app.component.html',
styleUrls: ['app/app.component.css']
})
export class AppComponent {
simpleProducts: string[];
editableProducts: string[];
dataSource: any;
constructor(service: Service) {
this.dataSource = new ArrayStore({
data: service.getProducts(),
key: "Id"
});
this.simpleProducts = service.getSimpleProducts();
this.editableProducts = this.simpleProducts.slice();
}
onCustomItemCreating(args) {
let newValue = args.text;
this.editableProducts.unshift(newValue);
args.customItem = newValue;
}
}
@NgModule({
imports: [
BrowserModule,
DxTemplateModule,
DxTagBoxModule
],
declarations: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
body .custom-item {
padding-left: 7px;
padding-right: 7px;
}
::ng-deep .custom-item > img {
height: 30px;
width: 40px;
float: left;
margin-top: 2px;
}
::ng-deep .custom-item > div.product-name {
margin-left: 40px;
line-height: 34px;
font-size: 14px;
}
body .custom-item input {
background-color: transparent;
}
body .dx-popup-content .custom-item {
padding-top: 7px;
padding-bottom: 8px;
}
::ng-deep .dx-popup-content .custom-item > div {
padding-left: 8px;
text-indent: 0;
text-overflow: ellipsis;
overflow: hidden;
}
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 = [
"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 Bluetooth",
"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.png"
}, {
Id: 2,
Name: "SuperHD Video Player",
Price: 400,
Current_Inventory: 150,
Backorder: 0,
Manufacturing: 25,
Category: "Video Players",
ImageSrc: "../../../../images/products/2.png"
}, {
Id: 3,
Name: "SuperPlasma 50",
Price: 2400,
Current_Inventory: 0,
Backorder: 0,
Manufacturing: 0,
Category: "Televisions",
ImageSrc: "../../../../images/products/3.png"
}, {
Id: 4,
Name: "SuperLED 50",
Price: 1600,
Current_Inventory: 77,
Backorder: 0,
Manufacturing: 55,
Category: "Televisions",
ImageSrc: "../../../../images/products/4.png"
}, {
Id: 5,
Name: "SuperLED 42",
Price: 1450,
Current_Inventory: 445,
Backorder: 0,
Manufacturing: 0,
Category: "Televisions",
ImageSrc: "../../../../images/products/5.png"
}, {
Id: 6,
Name: "SuperLCD 55",
Price: 1350,
Current_Inventory: 345,
Backorder: 0,
Manufacturing: 5,
Category: "Televisions",
ImageSrc: "../../../../images/products/6.png"
}, {
Id: 7,
Name: "SuperLCD 42",
Price: 1200,
Current_Inventory: 210,
Backorder: 0,
Manufacturing: 20,
Category: "Televisions",
ImageSrc: "../../../../images/products/7.png"
}, {
Id: 8,
Name: "SuperPlasma 65",
Price: 3500,
Current_Inventory: 0,
Backorder: 0,
Manufacturing: 0,
Category: "Televisions",
ImageSrc: "../../../../images/products/8.png"
}, {
Id: 9,
Name: "SuperLCD 70",
Price: 4000,
Current_Inventory: 95,
Backorder: 0,
Manufacturing: 5,
Category: "Televisions",
ImageSrc: "../../../../images/products/9.png"
}, {
Id: 10,
Name: "DesktopLED 21",
Price: 175,
Current_Inventory: null,
Backorder: 425,
Manufacturing: 75,
Category: "Monitors",
ImageSrc: "../../../../images/products/10.png"
}, {
Id: 12,
Name: "DesktopLCD 21",
Price: 170,
Current_Inventory: 210,
Backorder: 0,
Manufacturing: 60,
Category: "Monitors",
ImageSrc: "../../../../images/products/12.png"
}, {
Id: 13,
Name: "DesktopLCD 19",
Price: 160,
Current_Inventory: 150,
Backorder: 0,
Manufacturing: 210,
Category: "Monitors",
ImageSrc: "../../../../images/products/13.png"
}, {
Id: 14,
Name: "Projector Plus",
Price: 550,
Current_Inventory: null,
Backorder: 55,
Manufacturing: 10,
Category: "Projectors",
ImageSrc: "../../../../images/products/14.png"
}, {
Id: 15,
Name: "Projector PlusHD",
Price: 750,
Current_Inventory: 110,
Backorder: 0,
Manufacturing: 90,
Category: "Projectors",
ImageSrc: "../../../../images/products/15.png"
}, {
Id: 16,
Name: "Projector PlusHT",
Price: 1050,
Current_Inventory: 0,
Backorder: 75,
Manufacturing: 57,
Category: "Projectors",
ImageSrc: "../../../../images/products/16.png"
}, {
Id: 17,
Name: "ExcelRemote IR",
Price: 150,
Current_Inventory: 650,
Backorder: 0,
Manufacturing: 190,
Category: "Automation",
ImageSrc: "../../../../images/products/17.png"
}, {
Id: 18,
Name: "ExcelRemote Bluetooth",
Price: 180,
Current_Inventory: 310,
Backorder: 0,
Manufacturing: 0,
Category: "Automation",
ImageSrc: "../../../../images/products/18.png"
}, {
Id: 19,
Name: "ExcelRemote IP",
Price: 200,
Current_Inventory: 0,
Backorder: 325,
Manufacturing: 225,
Category: "Automation",
ImageSrc: "../../../../images/products/19.png"
}
];
@Injectable()
export class Service {
getProducts(): Product[] {
return products;
}
getSimpleProducts(): string[] {
return simpleProducts;
}
}
// 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@7.1.3/bundles/core.umd.js',
'@angular/common': 'npm:@angular/common@7.1.3/bundles/common.umd.js',
'@angular/compiler': 'npm:@angular/compiler@7.1.3/bundles/compiler.umd.js',
'@angular/platform-browser': 'npm:@angular/platform-browser@7.1.3/bundles/platform-browser.umd.js',
'@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@7.1.3/bundles/platform-browser-dynamic.umd.js',
'@angular/router': 'npm:@angular/router@7.1.3/bundles/router.umd.js',
'@angular/forms': 'npm:@angular/forms@7.1.3/bundles/forms.umd.js',
'@angular/common/http': 'npm:@angular/common@7.1.3/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/19.1.3/css/dx.common.css" />
<link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/19.1.3/css/dx.light.css" />
<link rel="dx-theme" data-theme="ios7.default" href="https://cdn3.devexpress.com/jslib/19.1.3/css/dx.ios7.default.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>