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Tag Box

Overview

The TagBox allows users to select multiple items from a drop-down list. This demo illustrates the following TagBox properties:

  • items
    An array of items displayed by the TagBox.

  • searchEnabled
    Specifies whether the search is enabled.

  • showSelectionControls
    Defines whether to display the selection controls.

  • applyValueMode
    Specifies whether selected values are applied instantly or when a user clicks the OK button.

  • hideSelectedItems
    Specifies whether the selected items are removed from the drop-down list.

  • multiline
    Displays selected items on single or multiple lines.

  • acceptCustomValue
    Specifies whether users can enter custom values. Requires that you also implement the onCustomItemCreating handler.

  • placeholder
    Customizes the TagBox placeholder.

  • value
    Specifies items the TagBox currently displays.

  • disabled
    Defines whether the component responds to user interaction.

  • dataSource
    Binds the TagBox to data. Unlike the items property, dataSource accepts the DataSource object that allows users to sort, filter, group, and shape data. Note that you cannot use items and dataSource simultaneously.

  • itemTemplate
    Allows you to customize the drop-down list items.

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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">Add custom items</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://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/ window.config = { transpiler: 'ts', typescriptOptions: { module: "system", emitDecoratorMetadata: true, experimentalDecorators: true }, meta: { 'typescript': { "exports": "ts" }, 'devextreme/localization.js': { "esModule": true } }, paths: { 'npm:': 'https://unpkg.com/' }, 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@2.3.0/tslib.js', 'rxjs': 'npm:rxjs@6.4.0', 'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.27.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@21.1.4/cjs', 'devextreme/bundles/dx.all': 'npm:devextreme@21.1.4/bundles/dx.all.js', 'jszip': 'npm:jszip@3.6.0/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.1.4/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.1.19', 'devexpress-gantt': 'npm:devexpress-gantt@2.1.42', 'devextreme-angular': 'npm:devextreme-angular@21.1.4', '@devextreme/vdom': 'npm:@devextreme/vdom@1.2.2', 'inferno': 'npm:inferno@7.4.8/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat@7.4.8/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@7.4.8/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom@1.0.7/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate@7.4.8/dist/inferno-hydrate.min.js', 'inferno-clone-vnode': 'npm:inferno-clone-vnode@7.4.8/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class@7.4.8/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras@7.4.8/dist/inferno-extras.min.js' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, '@devextreme/vdom': { defaultExtension: 'js' }, 'devextreme/events/utils': { main: 'index' }, 'devextreme/events': { main: 'index' }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js' } }, packageConfigPaths: [ "npm:@devextreme/*/package.json", "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", ] }; System.config(window.config);
<!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/21.1.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.1.4/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@0.10.2/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>