MultiSelect Control (Angular)

The MultiSelect control extends the ComboBox control and adds checkboxes to each item in the drop-down list. The control exposes the list of checked items through the checkedItems property.

Learn about Input Controls | MultiSelect Overview Documentation | MultiSelect API Reference

This example uses Angular.

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; // import '@angular/compiler'; import { Component, enableProdMode, Inject, ɵresolveComponentResources } from '@angular/core'; import { FormsModule } from '@angular/forms'; import { BrowserModule, bootstrapApplication } from '@angular/platform-browser'; import { WjInputModule } from '@mescius/wijmo.angular2.input'; import { DataService, TDataItem } from './app.data'; // @Component({ standalone: true, providers: [DataService], imports: [WjInputModule, FormsModule, BrowserModule], selector: 'app-component', templateUrl: 'src/app.component.html' }) export class AppComponent { data: TDataItem[]; showFilterInput = false; showSelectAllCheckbox = false; // constructor(@Inject(DataService) private dataService: DataService) { this.data = dataService.getData(); } } // // enableProdMode(); // Resolve resources (templateUrl, styleUrls etc), After resolution all URLs have been converted into `template` strings. ɵresolveComponentResources(fetch).then(() => { // Bootstrap application bootstrapApplication(AppComponent).catch(err => console.error(err)); });
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo MultiSelect</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- Polyfills --> <script src="node_modules/core-js/client/shim.min.js"></script> <script src="node_modules/zone.js/fesm2015/zone.min.js"></script> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> // workaround to load 'rxjs/operators' from the rxjs bundle System.import('rxjs').then(function (m) { System.set(SystemJS.resolveSync('rxjs/operators'), System.newModule(m.operators)); System.import('./src/app.component'); }); </script> </head> <body> <app-component></app-component> </body> </html>
<div class="container-fluid"> <div class="row"> <div class="col-xs-5"> <div class="form-group"> <wj-multi-select #theMultiSelect [placeholder]="'Countries'" [headerFormat]="'{count:n0} countries'" [displayMemberPath]="'country'" [showSelectAllCheckbox]="showSelectAllCheckbox" [showFilterInput]="showFilterInput" [itemsSource]="data" ></wj-multi-select> </div> <div class="form-group"> <label> Show "Select All" box <input id="selectAll" type="checkbox" [(ngModel)]="showSelectAllCheckbox"> </label> </div> <div class="form-group"> <label> Show "Filter" input <input id="filter" type="checkbox" [(ngModel)]="showFilterInput"> </label> </div> </div> <div class="col-xs-7"> <p> <b>Checked Items:</b> </p> <ul> <li *ngFor="let item of theMultiSelect.checkedItems"> {{ item.country }} </li> </ul> </div> </div> </div>
import { Injectable } from '@angular/core'; // export type TDataItem = { id: number; country: string; gdpm: number; popk: number; gdpcap: number; } // @Injectable() export class DataService { getData() { return <TDataItem[]>[ { id: 1, country: 'Luxembourg', gdpm: 57825, popk: 563, gdpcap: 102708 }, { id: 2, country: 'Switzerland', gdpm: 664005, popk: 8238, gdpcap: 80602 }, { id: 3, country: 'Norway', gdpm: 388315, popk: 5205, gdpcap: 74604 }, { id: 4, country: 'Macao', gdpm: 46178, popk: 647, gdpcap: 71372 }, { id: 5, country: 'Qatar', gdpm: 166908, popk: 2421, gdpcap: 68941 }, { id: 6, country: 'Ireland', gdpm: 283716, popk: 4635, gdpcap: 61211 }, { id: 7, country: 'United States', gdpm: 18036650, popk: 321601, gdpcap: 56083 }, { id: 8, country: 'Singapore', gdpm: 292734, popk: 5535, gdpcap: 52887 }, { id: 9, country: 'Denmark', gdpm: 295091, popk: 5660, gdpcap: 52136 }, { id: 10, country: 'Australia', gdpm: 1225286, popk: 23940, gdpcap: 51181 }, { id: 11, country: 'Iceland', gdpm: 16718, popk: 333, gdpcap: 50204 }, { id: 12, country: 'Sweden', gdpm: 493042, popk: 9851, gdpcap: 50049 }, { id: 13, country: 'San Marino', gdpm: 1558, popk: 31, gdpcap: 50258 }, { id: 14, country: 'Netherlands', gdpm: 750696, popk: 16937, gdpcap: 44322 }, { id: 15, country: 'United Kingdom', gdpm: 2858482, popk: 65110, gdpcap: 43902 }, { id: 16, country: 'Austria', gdpm: 374261, popk: 8621, gdpcap: 43412 }, { id: 17, country: 'Canada', gdpm: 1550537, popk: 35825, gdpcap: 43280 }, { id: 18, country: 'Finland', gdpm: 232077, popk: 5472, gdpcap: 42411 }, { id: 19, country: 'Germany', gdpm: 3365293, popk: 82176, gdpcap: 40952 }, { id: 20, country: 'Belgium', gdpm: 454288, popk: 11209, gdpcap: 40528 }, { id: 21, country: 'United Arab Emirates', gdpm: 370296, popk: 9581, gdpcap: 38648 }, { id: 22, country: 'France', gdpm: 2420163, popk: 64275, gdpcap: 37653 }, { id: 23, country: 'New Zealand', gdpm: 172257, popk: 4647, gdpcap: 37068 }, { id: 24, country: 'Israel', gdpm: 299413, popk: 8377, gdpcap: 35742 }, { id: 25, country: 'Japan', gdpm: 4124211, popk: 126981, gdpcap: 32478 }, { id: 26, country: 'Brunei Darussalam', gdpm: 12930, popk: 417, gdpcap: 31007 }, { id: 27, country: 'Italy', gdpm: 1815759, popk: 60796, gdpcap: 29866 }, { id: 28, country: 'Puerto Rico', gdpm: 102906, popk: 3474, gdpcap: 29621 }, { id: 29, country: 'Kuwait', gdpm: 114079, popk: 4110, gdpcap: 27756 }, { id: 30, country: 'South Korea', gdpm: 1377873, popk: 50617, gdpcap: 27221 }, { id: 31, country: 'Spain', gdpm: 1199715, popk: 46423, gdpcap: 25843 }, { id: 32, country: 'The Bahamas', gdpm: 8854, popk: 364, gdpcap: 24324 }, { id: 33, country: 'Bahrain', gdpm: 31119, popk: 1294, gdpcap: 24048 }, { id: 34, country: 'Cyprus', gdpm: 19330, popk: 847, gdpcap: 22821 }, { id: 35, country: 'Malta', gdpm: 9752, popk: 429, gdpcap: 22731 }, { id: 37, country: 'Slovenia', gdpm: 42798, popk: 2063, gdpcap: 20745 }, { id: 38, country: 'Saudi Arabia', gdpm: 646002, popk: 31386, gdpcap: 20582 }, { id: 39, country: 'Portugal', gdpm: 199032, popk: 10411, gdpcap: 19117 }, { id: 40, country: 'Trinidad and Tobago', gdpm: 24631, popk: 1358, gdpcap: 18137 }, { id: 41, country: 'Greece', gdpm: 195320, popk: 10858, gdpcap: 17988 }, { id: 42, country: 'Czech Republic', gdpm: 185156, popk: 10538, gdpcap: 17570 }, { id: 43, country: 'Estonia', gdpm: 22704, popk: 1313, gdpcap: 17291 }, { id: 44, country: 'Equatorial Guinea', gdpm: 13819, popk: 799, gdpcap: 17295 }, { id: 45, country: 'Oman', gdpm: 64121, popk: 3840, gdpcap: 16698 }, { id: 46, country: 'St. Kitts and Nevis', gdpm: 915, popk: 56, gdpcap: 16339 }, { id: 47, country: 'Palau', gdpm: 287, popk: 18, gdpcap: 15944 }, { id: 48, country: 'Slovakia', gdpm: 86629, popk: 5421, gdpcap: 15980 }, { id: 49, country: 'Barbados', gdpm: 4385, popk: 280, gdpcap: 15660 }, { id: 50, country: 'Uruguay', gdpm: 53107, popk: 3416, gdpcap: 15546 } ]; } }
body { margin-bottom: 24pt; }
(function (global) { SystemJS.config({ transpiler: './plugin-typescript.js', typescriptOptions: { "target": "ES2022", "module": "system", "emitDecoratorMetadata": true, "experimentalDecorators": true, }, baseURL: 'node_modules/', meta: { 'typescript': { "exports": "ts" }, '*.css': { loader: 'systemjs-plugin-css' } }, paths: { // paths serve as alias 'npm:': '' }, packageConfigPaths: [ '/node_modules/*/package.json', "/node_modules/@angular/*/package.json", "/node_modules/@mescius/*/package.json" ], map: { 'core-js': 'https://cdn.jsdelivr.net/npm/core-js@2.6.12/client/shim.min.js', 'typescript': 'https://cdnjs.cloudflare.com/ajax/libs/typescript/5.2.2/typescript.min.js', "rxjs": "https://cdnjs.cloudflare.com/ajax/libs/rxjs/7.8.1/rxjs.umd.min.js", 'systemjs-plugin-css': 'https://cdn.jsdelivr.net/npm/systemjs-plugin-css@0.1.37/css.js', '@mescius/wijmo': 'npm:@mescius/wijmo/index.js', '@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js', '@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles', '@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures', '@mescius/wijmo.chart': 'npm:@mescius/wijmo.chart/index.js', '@mescius/wijmo.chart.analytics': 'npm:@mescius/wijmo.chart.analytics/index.js', '@mescius/wijmo.chart.animation': 'npm:@mescius/wijmo.chart.animation/index.js', '@mescius/wijmo.chart.annotation': 'npm:@mescius/wijmo.chart.annotation/index.js', '@mescius/wijmo.chart.finance': 'npm:@mescius/wijmo.chart.finance/index.js', '@mescius/wijmo.chart.finance.analytics': 'npm:@mescius/wijmo.chart.finance.analytics/index.js', '@mescius/wijmo.chart.hierarchical': 'npm:@mescius/wijmo.chart.hierarchical/index.js', '@mescius/wijmo.chart.interaction': 'npm:@mescius/wijmo.chart.interaction/index.js', '@mescius/wijmo.chart.radar': 'npm:@mescius/wijmo.chart.radar/index.js', '@mescius/wijmo.chart.render': 'npm:@mescius/wijmo.chart.render/index.js', '@mescius/wijmo.chart.webgl': 'npm:@mescius/wijmo.chart.webgl/index.js', '@mescius/wijmo.chart.map': 'npm:@mescius/wijmo.chart.map/index.js', '@mescius/wijmo.gauge': 'npm:@mescius/wijmo.gauge/index.js', '@mescius/wijmo.grid': 'npm:@mescius/wijmo.grid/index.js', '@mescius/wijmo.grid.detail': 'npm:@mescius/wijmo.grid.detail/index.js', '@mescius/wijmo.grid.filter': 'npm:@mescius/wijmo.grid.filter/index.js', '@mescius/wijmo.grid.search': 'npm:@mescius/wijmo.grid.search/index.js', '@mescius/wijmo.grid.grouppanel': 'npm:@mescius/wijmo.grid.grouppanel/index.js', '@mescius/wijmo.grid.multirow': 'npm:@mescius/wijmo.grid.multirow/index.js', '@mescius/wijmo.grid.transposed': 'npm:@mescius/wijmo.grid.transposed/index.js', '@mescius/wijmo.grid.transposedmultirow': 'npm:@mescius/wijmo.grid.transposedmultirow/index.js', '@mescius/wijmo.grid.pdf': 'npm:@mescius/wijmo.grid.pdf/index.js', '@mescius/wijmo.grid.sheet': 'npm:@mescius/wijmo.grid.sheet/index.js', '@mescius/wijmo.grid.xlsx': 'npm:@mescius/wijmo.grid.xlsx/index.js', '@mescius/wijmo.grid.selector': 'npm:@mescius/wijmo.grid.selector/index.js', '@mescius/wijmo.grid.cellmaker': 'npm:@mescius/wijmo.grid.cellmaker/index.js', '@mescius/wijmo.nav': 'npm:@mescius/wijmo.nav/index.js', '@mescius/wijmo.odata': 'npm:@mescius/wijmo.odata/index.js', '@mescius/wijmo.olap': 'npm:@mescius/wijmo.olap/index.js', '@mescius/wijmo.rest': 'npm:@mescius/wijmo.rest/index.js', '@mescius/wijmo.pdf': 'npm:@mescius/wijmo.pdf/index.js', '@mescius/wijmo.pdf.security': 'npm:@mescius/wijmo.pdf.security/index.js', '@mescius/wijmo.viewer': 'npm:@mescius/wijmo.viewer/index.js', '@mescius/wijmo.xlsx': 'npm:@mescius/wijmo.xlsx/index.js', '@mescius/wijmo.undo': 'npm:@mescius/wijmo.undo/index.js', '@mescius/wijmo.interop.grid': 'npm:@mescius/wijmo.interop.grid/index.js', '@mescius/wijmo.touch': 'npm:@mescius/wijmo.touch/index.js', '@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/index.js', '@mescius/wijmo.barcode': 'npm:@mescius/wijmo.barcode/index.js', '@mescius/wijmo.barcode.common': 'npm:@mescius/wijmo.barcode.common/index.js', '@mescius/wijmo.barcode.composite': 'npm:@mescius/wijmo.barcode.composite/index.js', '@mescius/wijmo.barcode.specialized': 'npm:@mescius/wijmo.barcode.specialized/index.js', "@mescius/wijmo.angular2.chart.analytics": "npm:@mescius/wijmo.angular2.chart.analytics/index.js", "@mescius/wijmo.angular2.chart.animation": "npm:@mescius/wijmo.angular2.chart.animation/index.js", "@mescius/wijmo.angular2.chart.annotation": "npm:@mescius/wijmo.angular2.chart.annotation/index.js", "@mescius/wijmo.angular2.chart.finance.analytics": "npm:@mescius/wijmo.angular2.chart.finance.analytics/index.js", "@mescius/wijmo.angular2.chart.finance": "npm:@mescius/wijmo.angular2.chart.finance/index.js", "@mescius/wijmo.angular2.chart.hierarchical": "npm:@mescius/wijmo.angular2.chart.hierarchical/index.js", "@mescius/wijmo.angular2.chart.interaction": "npm:@mescius/wijmo.angular2.chart.interaction/index.js", "@mescius/wijmo.angular2.chart.radar": "npm:@mescius/wijmo.angular2.chart.radar/index.js", '@mescius/wijmo.angular2.chart.map': 'npm:@mescius/wijmo.angular2.chart.map/index.js', "@mescius/wijmo.angular2.chart": "npm:@mescius/wijmo.angular2.chart/index.js", "@mescius/wijmo.angular2.core": "npm:@mescius/wijmo.angular2.core/index.js", "@mescius/wijmo.angular2.gauge": "npm:@mescius/wijmo.angular2.gauge/index.js", "@mescius/wijmo.angular2.grid.detail": "npm:@mescius/wijmo.angular2.grid.detail/index.js", "@mescius/wijmo.angular2.grid.filter": "npm:@mescius/wijmo.angular2.grid.filter/index.js", "@mescius/wijmo.angular2.grid.grouppanel": "npm:@mescius/wijmo.angular2.grid.grouppanel/index.js", "@mescius/wijmo.angular2.grid.search": "npm:@mescius/wijmo.angular2.grid.search/index.js", "@mescius/wijmo.angular2.grid.multirow": "npm:@mescius/wijmo.angular2.grid.multirow/index.js", "@mescius/wijmo.angular2.grid.sheet": "npm:@mescius/wijmo.angular2.grid.sheet/index.js", '@mescius/wijmo.angular2.grid.transposed': 'npm:@mescius/wijmo.angular2.grid.transposed/index.js', '@mescius/wijmo.angular2.grid.transposedmultirow': 'npm:@mescius/wijmo.angular2.grid.transposedmultirow/index.js', "@mescius/wijmo.angular2.grid": "npm:@mescius/wijmo.angular2.grid/index.js", "@mescius/wijmo.angular2.input": "npm:@mescius/wijmo.angular2.input/index.js", "@mescius/wijmo.angular2.olap": "npm:@mescius/wijmo.angular2.olap/index.js", "@mescius/wijmo.angular2.viewer": "npm:@mescius/wijmo.angular2.viewer/index.js", "@mescius/wijmo.angular2.nav": "npm:@mescius/wijmo.angular2.nav/index.js", "@mescius/wijmo.angular2.directivebase": "npm:@mescius/wijmo.angular2.directivebase/index.js", '@mescius/wijmo.angular2.barcode.common': 'npm:@mescius/wijmo.angular2.barcode.common/index.js', '@mescius/wijmo.angular2.barcode.composite': 'npm:@mescius/wijmo.angular2.barcode.composite/index.js', '@mescius/wijmo.angular2.barcode.specialized': 'npm:@mescius/wijmo.angular2.barcode.specialized/index.js', 'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css', 'jszip': 'https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js', "@angular/common/http": "https://cdn.jsdelivr.net/npm/@angular/common@16.2.6/fesm2022/http.mjs", "@angular/core": "https://cdn.jsdelivr.net/npm/@angular/core@16.2.6/fesm2022/core.mjs", "@angular/platform-browser": "https://cdn.jsdelivr.net/npm/@angular/platform-browser@16.2.6/fesm2022/platform-browser.mjs", "@angular/common": "https://cdn.jsdelivr.net/npm/@angular/common@16.2.6/fesm2022/common.mjs", "@angular/compiler": "https://cdn.jsdelivr.net/npm/@angular/compiler@16.2.6/fesm2022/compiler.mjs", "@angular/forms": "https://cdn.jsdelivr.net/npm/@angular/forms@16.2.6/fesm2022/forms.mjs", "@angular/localize": "https://cdn.jsdelivr.net/npm/@angular/localize@16.2.6/fesm2022/localize.mjs", "@angular/platform-browser-dynamic": "https://cdn.jsdelivr.net/npm/@angular/platform-browser-dynamic@16.2.6/fesm2022/platform-browser-dynamic.mjs", }, // packages tells the System loader how to load when no filename and/or no extension packages: { "./src": { defaultExtension: 'ts' }, "node_modules": { defaultExtension: 'js' }, wijmo: { defaultExtension: 'js', } } }); })(this);