import 'bootstrap.css';
import '@grapecity/wijmo.styles/wijmo.css';
import './styles.css';
//
import * as input from '@grapecity/wijmo.input';
import * as wijmo from '@grapecity/wijmo';
import { getCountryCode, getData } from './data';
//
document.readyState === 'complete' ? init() : window.onload = init;
//
function init() {
//
// get grouped CollectionView
let data = getData();
//
// toggle showGroups
let showGroups = true;
document.getElementById('showGroups').addEventListener('click', e => {
showGroups = e.target.checked;
theComboBox.showGroups = showGroups;
theListBox.showGroups = showGroups;
});
//
// toggle formatItem
let formatGroupHeaders = true;
document.getElementById('formatGroupHeaders').addEventListener('click', e => {
formatGroupHeaders = e.target.checked;
data.refresh();
});
//
// toggle checkboxes
document.getElementById('showCheckboxes').addEventListener('click', e => {
theListBox.checkedMemberPath = e.target.checked ? 'checked' : '';
});
//
// show in ComboBox
let theComboBox = new input.ComboBox('#theComboBox', {
showGroups: true,
formatItem: formatGroupHeader,
displayMemberPath: 'city',
itemsSource: data
});
//
// show in ListBox
let theListBox = new input.ListBox('#theListBox', {
showGroups: true,
formatItem: formatGroupHeader,
displayMemberPath: 'city',
itemsSource: data
});
//
// show a flag in the group headers
function formatGroupHeader(sender, e) {
if (formatGroupHeaders && e.index < 0 && e.data instanceof wijmo.CollectionViewGroup) {
let group = e.data, code = getCountryCode(group.name);
//
if (code) {
e.item.innerHTML = `<span class="flag-icon flag-icon-${code}"></span> ${group.name}`;
}
}
}
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>MESCIUS Wijmo ListBox/ComboBox Grouping</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- SystemJS -->
<script src="node_modules/systemjs/dist/system.src.js"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('./src/app');
</script>
</head>
<body>
<div class="container-fluid">
<label>
Show Groups
<input id="showGroups" type="checkbox" checked>
</label>
<label>
Format Group Headers
<input id="formatGroupHeaders" type="checkbox" checked>
</label>
<label>
Show Checkboxes
<input id="showCheckboxes" type="checkbox">
</label>
<div class="row">
<div class="col-xs-6">
<h4>
ComboBox
</h4>
<div id="theComboBox"></div>
</div>
<div class="col-xs-6">
<h4>
ListBox
</h4>
<div id="theListBox"></div>
</div>
</div>
</div>
</body>
</html>
import * as wijmo from '@grapecity/wijmo';
// some data for the list/combo
export function getData() {
var arr = [];
//
addCities(arr, 'US', ['New York', 'Los Angeles', 'Chicago', 'Houston']);
addCities(arr, 'Japan', ['Tokyo', 'Osaka', 'Kyoto', 'Sendai']);
addCities(arr, 'UK', ['London', 'Birmingham', 'Manchester', 'Liverpool']);
addCities(arr, 'China', ['Shanghai', 'Beijing', 'Tianjin', 'Shenzhen']);
addCities(arr, 'Germany', ['Berlin', 'Hamburg', 'Munich', 'Cologne']);
addCities(arr, 'France', ['Paris', 'Marseille', 'Lyon', 'Toulouse']);
addCities(arr, 'Canada', ['Toronto', 'Ottawa', 'Vancouver', 'Montreal']);
addCities(arr, 'Russia', ['Moscow', 'St Petersburg', 'Novosibirsk', 'Yekaterinburg']);
//
return new wijmo.CollectionView(arr, {
sortDescriptions: ['country', 'city'],
groupDescriptions: ['country'],
currentItem: null
});
}
//
export function getCountryCode(country) {
switch (country) {
case 'US': return 'us';
case 'Japan': return 'jp';
case 'UK': return 'gb';
case 'China': return 'cn';
case 'Germany': return 'de';
case 'France': return 'fr';
case 'Canada': return 'ca';
case 'Russia': return 'ru';
}
//
return null;
}
//
function addCities(arr, country, cities) {
cities.forEach(city => {
arr.push({
country: country,
city: city
});
});
}
@import 'https://cdnjs.cloudflare.com/ajax/libs/flag-icon-css/3.1.0/css/flag-icon.css';
.wj-listbox {
height: 200px;
display: block;
}
.wj-listbox .wj-listbox-item {
line-height: 2em;
}
.wj-listbox .wj-listbox-item.wj-header {
opacity: 1;
position: sticky;
top: 0;
}
label {
margin: 0 24px;
}
body {
margin-bottom: 40px;
}
(function (global) {
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: 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',
'@grapecity/wijmo': 'npm:@grapecity/wijmo/index.js',
'@grapecity/wijmo.input': 'npm:@grapecity/wijmo.input/index.js',
'@grapecity/wijmo.styles': 'npm:@grapecity/wijmo.styles',
'@grapecity/wijmo.cultures': 'npm:@grapecity/wijmo.cultures',
'@grapecity/wijmo.chart': 'npm:@grapecity/wijmo.chart/index.js',
'@grapecity/wijmo.chart.analytics': 'npm:@grapecity/wijmo.chart.analytics/index.js',
'@grapecity/wijmo.chart.animation': 'npm:@grapecity/wijmo.chart.animation/index.js',
'@grapecity/wijmo.chart.annotation': 'npm:@grapecity/wijmo.chart.annotation/index.js',
'@grapecity/wijmo.chart.finance': 'npm:@grapecity/wijmo.chart.finance/index.js',
'@grapecity/wijmo.chart.finance.analytics': 'npm:@grapecity/wijmo.chart.finance.analytics/index.js',
'@grapecity/wijmo.chart.hierarchical': 'npm:@grapecity/wijmo.chart.hierarchical/index.js',
'@grapecity/wijmo.chart.interaction': 'npm:@grapecity/wijmo.chart.interaction/index.js',
'@grapecity/wijmo.chart.radar': 'npm:@grapecity/wijmo.chart.radar/index.js',
'@grapecity/wijmo.chart.render': 'npm:@grapecity/wijmo.chart.render/index.js',
'@grapecity/wijmo.chart.webgl': 'npm:@grapecity/wijmo.chart.webgl/index.js',
'@grapecity/wijmo.chart.map': 'npm:@grapecity/wijmo.chart.map/index.js',
'@grapecity/wijmo.gauge': 'npm:@grapecity/wijmo.gauge/index.js',
'@grapecity/wijmo.grid': 'npm:@grapecity/wijmo.grid/index.js',
'@grapecity/wijmo.grid.detail': 'npm:@grapecity/wijmo.grid.detail/index.js',
'@grapecity/wijmo.grid.filter': 'npm:@grapecity/wijmo.grid.filter/index.js',
'@grapecity/wijmo.grid.search': 'npm:@grapecity/wijmo.grid.search/index.js',
'@grapecity/wijmo.grid.grouppanel': 'npm:@grapecity/wijmo.grid.grouppanel/index.js',
'@grapecity/wijmo.grid.multirow': 'npm:@grapecity/wijmo.grid.multirow/index.js',
'@grapecity/wijmo.grid.transposed': 'npm:@grapecity/wijmo.grid.transposed/index.js',
'@grapecity/wijmo.grid.transposedmultirow': 'npm:@grapecity/wijmo.grid.transposedmultirow/index.js',
'@grapecity/wijmo.grid.pdf': 'npm:@grapecity/wijmo.grid.pdf/index.js',
'@grapecity/wijmo.grid.sheet': 'npm:@grapecity/wijmo.grid.sheet/index.js',
'@grapecity/wijmo.grid.xlsx': 'npm:@grapecity/wijmo.grid.xlsx/index.js',
'@grapecity/wijmo.grid.selector': 'npm:@grapecity/wijmo.grid.selector/index.js',
'@grapecity/wijmo.grid.cellmaker': 'npm:@grapecity/wijmo.grid.cellmaker/index.js',
'@grapecity/wijmo.nav': 'npm:@grapecity/wijmo.nav/index.js',
'@grapecity/wijmo.odata': 'npm:@grapecity/wijmo.odata/index.js',
'@grapecity/wijmo.olap': 'npm:@grapecity/wijmo.olap/index.js',
'@grapecity/wijmo.rest': 'npm:@grapecity/wijmo.rest/index.js',
'@grapecity/wijmo.pdf': 'npm:@grapecity/wijmo.pdf/index.js',
'@grapecity/wijmo.pdf.security': 'npm:@grapecity/wijmo.pdf.security/index.js',
'@grapecity/wijmo.viewer': 'npm:@grapecity/wijmo.viewer/index.js',
'@grapecity/wijmo.xlsx': 'npm:@grapecity/wijmo.xlsx/index.js',
'@grapecity/wijmo.undo': 'npm:@grapecity/wijmo.undo/index.js',
'@grapecity/wijmo.interop.grid': 'npm:@grapecity/wijmo.interop.grid/index.js',
'@grapecity/wijmo.touch': 'npm:@grapecity/wijmo.touch/index.js',
'@grapecity/wijmo.cloud': 'npm:@grapecity/wijmo.cloud/index.js',
'@grapecity/wijmo.barcode': 'npm:@grapecity/wijmo.barcode/index.js',
'@grapecity/wijmo.barcode.common': 'npm:@grapecity/wijmo.barcode.common/index.js',
'@grapecity/wijmo.barcode.composite': 'npm:@grapecity/wijmo.barcode.composite/index.js',
'@grapecity/wijmo.barcode.specialized': 'npm:@grapecity/wijmo.barcode.specialized/index.js',
'jszip': 'npm:jszip/dist/jszip.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'
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'js'
},
"node_modules": {
defaultExtension: 'js'
},
}
});
})(this);
