Heterogeneous Data

To view heterogeneous data, set the displayMemberPath and childItemsPath properties to arrays in the TreeView control. The sample below is bound to a list of continent items, each with a countries member that contains a list of country items with a cities member.

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import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; import * as wjNav from '@mescius/wijmo.nav'; import { getData } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // // create the tree var tree = new wjNav.TreeView('#theTree', { itemsSource: getData(), displayMemberPath: 'continent,country,city'.split(','), childItemsPath: 'countries,cities'.split(',') }); // }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo TreeView and Heterogeneous Data</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"> <div id="theTree"></div> </div> </body> </html>
// get the data export function getData() { return [ { continent: 'Africa', countries: [ { country: 'Algeria', cities: [ { city: 'Algiers' }, { city: 'Oran' }, { city: 'Constantine' } ] }, { country: 'Angola', cities: [ { city: 'Luanda' }, { city: 'Ambriz' }, { city: 'Bailundo' } ] }, { country: 'Benin', cities: [ { city: 'Porto Novo' }, { city: 'Cotonou' }, { city: 'Parakou' } ] }, { country: 'Botswana', cities: [ { city: 'Gaborone' }, { city: 'Francistown' }, { city: 'Molepolole' } ] }, ] }, { continent: 'Asia', countries: [ { country: 'Afghanistan', cities: [ { city: 'Kabul' }, { city: 'Kandahar' }, { city: 'Herat' } ] }, { country: 'Armenia', cities: [ { city: 'Yerevan' }, { city: 'Gyumri' }, { city: 'Vanadzor' } ] }, { country: 'Azerbaijan', cities: [ { city: 'Baku' }, { city: 'Agjabadi' }, { city: 'Astara' } ] }, { country: 'Bahrain', cities: [ { city: 'Manama' }, { city: 'Riffa' }, { city: 'Sitra' } ] }, ] }, { continent: 'Europe', countries: [ { country: 'Albania', cities: [ { city: 'Tirana' }, { city: 'Elbasan' }, { city: 'Fier' } ] }, { country: 'Andorra', cities: [ { city: 'Andorra la Vieja' }, { city: 'Canillo' }, { city: 'Encamp' } ] }, { country: 'Austria', cities: [ { city: 'Vienna' }, { city: 'Salzburg' }, { city: 'Graz' } ] }, { country: 'Belarus', cities: [ { city: 'Minsk' }, { city: 'Barysaw' }, { city: 'Slutsk' } ] }, ] }, { continent: 'America', countries: [ { country: 'Canada', cities: [ { city: 'Ottawa' }, { city: 'Toronto' }, { city: 'Vancouver' } ] }, { country: 'United States', cities: [ { city: 'Washington' }, { city: 'New York' }, { city: 'Pittsburgh' } ] }, { country: 'Mexico', cities: [ { city: 'Mexico City' }, { city: 'Acapulco' }, { city: 'San Jose' } ] }, { country: 'Belize', cities: [ { city: 'Belmopan' }, { city: 'Dangriga' }, { city: 'Belize City' } ] }, ] }, { continent: 'Ocenania', countries: [ { country: 'Australia', cities: [ { city: 'Canberra' }, { city: 'Sydney' }, { city: 'Melbourne' } ] }, { country: 'New Zealand', cities: [ { city: 'Wellington' }, { city: 'Christchurch' }, { city: 'Auckland' } ] }, { country: 'Fiji', cities: [ { city: 'Suva' }, { city: 'Labasa' }, { city: 'Nasinu' } ] }, { country: 'Vanuatu', cities: [ { city: 'Port Vila' }, { city: 'Forari' }, { city: 'Etate' } ] }, ] }, ]; }
/* default trees on this sample */ .wj-treeview { display:block; //height: 350px; font-size: 120%; margin-bottom: 8px; padding: 6px; background: #f0f0f0; box-shadow: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23); } body { margin-bottom: 24pt; }
(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.style': 'npm:@mescius/wijmo.grid.style/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);