import 'bootstrap.css';
import '@mescius/wijmo.styles/wijmo.css';
import './styles.css';
//
import * as wijmo from '@mescius/wijmo';
import * as grid from '@mescius/wijmo.grid';
import { getData } from './data';
//
document.readyState === 'complete' ? init() : window.onload = init;
//
function init() {
// create a CollectionView
let view = new wijmo.CollectionView(getData(), {
currentItem: null,
sortDescriptions: [new wijmo.SortDescription('sales', false)]
});
//
// show the data in a grid
let flex = new grid.FlexGrid('#theGrid', {
itemsSource: view,
alternatingRowStep: 0,
headersVisibility: 'Column'
});
//
// change the grouping
document.addEventListener('change', e => {
// remove the old groups
view.groupDescriptions.clear();
//
// add the new groups
let filter = e.target;
if (filter.value) {
filter.value.split(',').forEach((prop) => {
// group sales by value ranges
let pgd;
if (prop == 'sales') {
pgd = new wijmo.PropertyGroupDescription(prop, (item) => {
if (item.sales > 8000)
return 'High';
if (item.sales > 4000)
return 'Medium';
return 'Low';
});
}
else { // group others by value
pgd = new wijmo.PropertyGroupDescription(prop);
}
view.groupDescriptions.push(pgd);
});
}
});
//
// dump grouped data to console (no grid)
document.querySelector('#btnDump').addEventListener('click', () => {
if (!view.groups) {
console.log('*** no groups');
}
else {
console.log('*** ' + view.groups.length + ' groups:');
view.groups.forEach(group => dumpGroup(group, ''));
}
});
//
function dumpGroup(group, level) {
// show information for this group
let propName = group.groupDescription['propertyName'], groupName = group.name, groupInfo = propName + ' > ' + groupName; // group summary
//
groupInfo += ' (' + group.items.length + ' items)'; // item count
groupInfo += ' total sales: ' + wijmo.Globalize.format(group.getAggregate(wijmo.Aggregate.Sum, 'sales'), 'c2');
console.log(level + groupInfo);
//
// show subgroups
if (group.groups) {
group.groups.forEach(child => dumpGroup(child, level + ' '));
}
}
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>MESCIUS Wijmo CollectionView Grouping</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- 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>
System.import('./src/app');
</script>
</head>
<body>
<div class="container-fluid">
<label>
<input type="radio" name="filter" value="" checked="true" />
No Grouping
</label>
<label>
<input type="radio" name="filter" value="country" />
By Country
</label>
<label>
<input type="radio" name="filter" value="country,product" />
By Country and by Product
</label>
<label>
<input type="radio" name="filter" value="country,product,sales" />
By Country, Product, and Sales
</label>
<p>
<button id="btnDump" class="btn btn-default">
Show Result on Console
</button>
</p>
<div id="theGrid">
</div>
</div>
</body>
</html>
//
export function getData() {
let countries = ['US', 'Germany', 'UK', 'Japan', 'Italy', 'Greece'], products = ['Piano', 'Violin', 'Flute', 'Guitar', 'Cello'], data = [];
//
for (let i = 0; i < 1000; i++) {
data.push({
id: i,
country: countries[i % countries.length],
product: products[i % products.length],
sales: Math.random() * 10000,
expenses: Math.random() * 5000
});
}
//
return data;
}
.wj-flexgrid {
max-height: 250px;
}
label {
width: 100%
}
(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',
'@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',
'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);
