MultiSelect with customized items (React)

The MultiSelect control allows you to customize the display of the items in the drop-down list. This sample applies custom HTML to each item in the drop-down, providing more information to the end user and the selection. The first input element with type="checkbox" in the item content will be used to change a checked state of the item.

Learn about Input Controls | MultiSelect API Reference

This example uses React.

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import ReactDOM from 'react-dom/client'; import React, { useState } from 'react'; import useEvent from 'react-use-event-hook'; import * as wjInput from '@mescius/wijmo.react.input'; import './app.css'; import { data } from './data'; function App() { const [showSelectAllCheckbox, setShowSelectAllCheckbox] = useState(false); const [checkedItems, setCheckedItems] = useState([]); const changeShowSelectAll = (value) => { setShowSelectAllCheckbox(value); }; const onCheckedItemsChanged = useEvent((sender) => { setCheckedItems(sender.checkedItems); }); return (<div className="container-fluid"> <p> This MultiSelect uses a <b>wjItemTemplate</b> <i>render prop</i> to customize the display of the items in the drop-down list. </p> <div className="row"> <div className="col-xs-5"> <div className="form-group"> <wjInput.MultiSelect displayMemberPath="name" headerPath="name" placeholder="Countries" itemsSource={data} showSelectAllCheckbox={showSelectAllCheckbox} checkedItemsChanged={onCheckedItemsChanged} wjItemTemplate={(context) => (<div className="item"> <label><input type="checkbox"/>{context.item.name}</label> <br /> <b>{context.item.city}</b> ({context.item.state})<br /> {context.item.address}<br /> Phone: <b>{context.item.phone}</b><br /> Fax: <b>{context.item.fax}</b><br /> Website: <a href="{context.item.site}" target="blank">{context.item.site}</a><br /> </div>)}> </wjInput.MultiSelect> </div> <div className="form-group"> <label htmlFor="selectAll">Show "Select All" box</label>{' '} <input id="selectAll" type="checkbox" defaultChecked={showSelectAllCheckbox} onChange={e => changeShowSelectAll(e.target.checked)}/> </div> </div> <div className="col-xs-7"> <p> <b>Checked Items:</b> </p> <ul> {checkedItems.map((item) => { return <li key={item.name}> {item.name} </li>; })} </ul> </div> </div> </div>); } const container = document.getElementById('app'); if (container) { const root = ReactDOM.createRoot(container); root.render(<App />); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo ComboBox with HTML Content</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.40/system.src.js" integrity="sha512-G6mEj6h18+m3MvzdviSDfPle/TfH0//cXcB33AKlNR/Rha0yQsKefDZKRTkIZos97HEGq2JMV1RT5ybMoQ3WsQ==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div id="app"></div> </body> </html>
.item { margin: 8px; font-size: 80%; } .item label { display: inline-flex; } .item input[type=checkbox] { margin: 0px; } .wj-listbox-item h1 { font-size: 12pt; font-weight: bold; margin: 4px -8px; }
function getData() { return [{ name: 'Electro Mart', city: 'Accident', state: 'Maryland', address: '8785 Windfall St.', phone: '(800) 555-1234', fax: '(800) 555-5678', site: 'https://www.electromartnot.com' }, { name: 'Sue\'s Depot', city: 'Big Arm', state: 'Montana', address: '77 Winchester Lane', phone: '(800) 555-2345', fax: '(800) 555-6789', site: 'https://www.suesdepotnot.com' }, { name: 'D&K Digital Locker', city: 'Chicken', state: 'Alaska', address: '787 Lakeview St. ', phone: '(800) 555-3456', fax: '(800) 555-7890', site: 'https://www.digilockernot.com' }, { name: 'Paul\'s Pub & Bistro', city: 'Coupon', state: 'Pennsylvania', address: '711 Old York Drive ', phone: '(800) 555-0987', fax: '(800) 555-6543', site: 'https://www.paulspubnot.com' }, { name: 'Amazing Deals Inc', city: 'Cut And Shoot', state: 'Texas', address: '91 Beech St.', phone: '(800) 955-2109', fax: '(800) 955-8765', site: 'https://www.amazingdealsnot.com' }]; } export const data = getData();
(function (global) { System.config({ transpiler: 'plugin-babel', babelOptions: { es2015: true, react: true }, meta: { '*.css': { loader: 'css' } }, paths: { // paths serve as alias 'npm:': 'node_modules/' }, // map tells the System loader where to look for things map: { 'jszip': 'npm:jszip/dist/jszip.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.grid.immutable': 'npm:@mescius/wijmo.grid.immutable/index.js', '@mescius/wijmo.touch': 'npm:@mescius/wijmo.touch/index.js', '@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/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': 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"npm:@mescius/wijmo.react.chart.annotation/index.js", "@mescius/wijmo.react.chart.finance.analytics": "npm:@mescius/wijmo.react.chart.finance.analytics/index.js", "@mescius/wijmo.react.chart.finance": "npm:@mescius/wijmo.react.chart.finance/index.js", "@mescius/wijmo.react.chart.hierarchical": "npm:@mescius/wijmo.react.chart.hierarchical/index.js", "@mescius/wijmo.react.chart.interaction": "npm:@mescius/wijmo.react.chart.interaction/index.js", "@mescius/wijmo.react.chart.radar": "npm:@mescius/wijmo.react.chart.radar/index.js", "@mescius/wijmo.react.chart": "npm:@mescius/wijmo.react.chart/index.js", "@mescius/wijmo.react.core": "npm:@mescius/wijmo.react.core/index.js", '@mescius/wijmo.react.chart.map': 'npm:@mescius/wijmo.react.chart.map/index.js', "@mescius/wijmo.react.gauge": "npm:@mescius/wijmo.react.gauge/index.js", "@mescius/wijmo.react.grid.detail": "npm:@mescius/wijmo.react.grid.detail/index.js", "@mescius/wijmo.react.grid.filter": "npm:@mescius/wijmo.react.grid.filter/index.js", "@mescius/wijmo.react.grid.grouppanel": "npm:@mescius/wijmo.react.grid.grouppanel/index.js", '@mescius/wijmo.react.grid.search': 'npm:@mescius/wijmo.react.grid.search/index.js', "@mescius/wijmo.react.grid.multirow": "npm:@mescius/wijmo.react.grid.multirow/index.js", "@mescius/wijmo.react.grid.sheet": "npm:@mescius/wijmo.react.grid.sheet/index.js", '@mescius/wijmo.react.grid.transposed': 'npm:@mescius/wijmo.react.grid.transposed/index.js', '@mescius/wijmo.react.grid.transposedmultirow': 'npm:@mescius/wijmo.react.grid.transposedmultirow/index.js', '@mescius/wijmo.react.grid.immutable': 'npm:@mescius/wijmo.react.grid.immutable/index.js', "@mescius/wijmo.react.grid": "npm:@mescius/wijmo.react.grid/index.js", "@mescius/wijmo.react.input": "npm:@mescius/wijmo.react.input/index.js", "@mescius/wijmo.react.olap": "npm:@mescius/wijmo.react.olap/index.js", "@mescius/wijmo.react.viewer": "npm:@mescius/wijmo.react.viewer/index.js", "@mescius/wijmo.react.nav": "npm:@mescius/wijmo.react.nav/index.js", "@mescius/wijmo.react.base": "npm:@mescius/wijmo.react.base/index.js", '@mescius/wijmo.react.barcode.common': 'npm:@mescius/wijmo.react.barcode.common/index.js', '@mescius/wijmo.react.barcode.composite': 'npm:@mescius/wijmo.react.barcode.composite/index.js', '@mescius/wijmo.react.barcode.specialized': 'npm:@mescius/wijmo.react.barcode.specialized/index.js', 'jszip': 'npm:jszip/dist/jszip.js', 'react': 'npm:react/umd/react.production.min.js', 'react-dom': 'npm:react-dom/umd/react-dom.production.min.js', 'react-dom/client': 'npm:react-dom/umd/react-dom.production.min.js', 'redux': 'npm:redux/dist/redux.min.js', 'react-redux': 'npm:react-redux/dist/react-redux.min.js', 'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css', 'css': 'npm:systemjs-plugin-css/css.js', 'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js', 'systemjs-babel-build':'npm:systemjs-plugin-babel/systemjs-babel-browser.js', "react-use-event-hook": "npm:react-use-event-hook/dist/esm/useEvent.js", }, // packages tells the System loader how to load when no filename and/or no extension packages: { src: { defaultExtension: 'jsx' }, "node_modules": { defaultExtension: 'js' }, } }); })(this);