TreeMap Depth

The sample shows how to create a TreeMap with different levels of depth by using the maxDepth property.

Learn about FlexChart | FlexChart API Reference

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; import { InputNumber } from '@mescius/wijmo.input'; import { isArray } from '@mescius/wijmo'; import { Palettes } from '@mescius/wijmo.chart'; import { TreeMap } from '@mescius/wijmo.chart.hierarchical'; import { getData } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { var treemap = new TreeMap('#chart', { maxDepth: 1, binding: 'sales', bindingName: 'type', childItemsPath: 'items', itemsSource: getData(), dataLabel: { position: 'Center', content: '{name}' } }); treemap.palette = getRandomPalette(); // change chart's maxDepth property var maxDepth = new InputNumber('#maxDepth', { min: 0, max: 4, step: 1, format: 'n0', valueChanged: function (s, e) { if (s.value >= s.min && s.value <= s.max) { treemap.maxDepth = s.value; } }, value: treemap.maxDepth }); } // function getRandomPalette() { let palettes = Object.keys(Palettes).filter(prop => isArray(Palettes[prop])); let rand = Math.floor(Math.random() * palettes.length); // return Palettes[palettes[rand]]; }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexChart TreeMap Depth</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> <label>Max Depth</label> <input id="maxDepth" type="text" /> </div> <div id="chart"></div> </div> </body> </html>
// Get random data. export function getData() { var data = [ { type: 'Music', items: [ { type: 'Country', items: [ { type: 'Classic Country', sales: getSales() }, { type: 'Cowboy Country', sales: getSales() }, { type: 'Outlaw Country', sales: getSales() }, { type: 'Western Swing', sales: getSales() }, { type: 'Roadhouse Country', sales: getSales() } ] }, { type: 'Rock', items: [ { type: 'Hard Rock', sales: getSales() }, { type: 'Blues Rock', sales: getSales() }, { type: 'Funk Rock', sales: getSales() }, { type: 'Rap Rock', sales: getSales() }, { type: 'Guitar Rock', sales: getSales() }, { type: 'Progressive Rock', sales: getSales() } ] }, { type: 'Classical', items: [ { type: 'Symphonies', sales: getSales() }, { type: 'Chamber Music', sales: getSales() } ] }, { type: 'Soundtracks', items: [ { type: 'Movie Soundtracks', sales: getSales() }, { type: 'Musical Soundtracks', sales: getSales() } ] }, { type: 'Jazz', items: [ { type: 'Smooth Jazz', sales: getSales() }, { type: 'Vocal Jazz', sales: getSales() }, { type: 'Jazz Fusion', sales: getSales() }, { type: 'Swing Jazz', sales: getSales() }, { type: 'Cool Jazz', sales: getSales() }, { type: 'Traditional Jazz', sales: getSales() } ] }, { type: 'Electronic', items: [ { type: 'Electronica', sales: getSales() }, { type: 'Disco', sales: getSales() }, { type: 'House', sales: getSales() } ] } ] }, { type: 'Video', items: [ { type: 'Movie', items: [ { type: 'Kid & Family', sales: getSales() }, { type: 'Action & Adventure', sales: getSales() }, { type: 'Animation', sales: getSales() }, { type: 'Comedy', sales: getSales() }, { type: 'Drama', sales: getSales() }, { type: 'Romance', sales: getSales() } ] }, { type: 'TV', items: [ { type: 'Science Fiction', sales: getSales() }, { type: 'Documentary', sales: getSales() }, { type: 'Fantasy', sales: getSales() }, { type: 'Military & War', sales: getSales() }, { type: 'Horror', sales: getSales() } ] } ] }, { type: 'Books', items: [ { type: 'Arts & Photography', items: [ { type: 'Architecture', sales: getSales() }, { type: 'Graphic Design', sales: getSales() }, { type: 'Drawing', sales: getSales() }, { type: 'Photography', sales: getSales() }, { type: 'Performing Arts', sales: getSales() } ] }, { type: 'Children\'s Books', items: [ { type: 'Beginning Readers', sales: getSales() }, { type: 'Board Books', sales: getSales() }, { type: 'Chapter Books', sales: getSales() }, { type: 'Coloring Books', sales: getSales() }, { type: 'Picture Books', sales: getSales() }, { type: 'Sound Books', sales: getSales() } ] }, { type: 'History', items: [ { type: 'Ancient', sales: getSales() }, { type: 'Medieval', sales: getSales() }, { type: 'Renaissance', sales: getSales() } ] }, { type: 'Mystery', items: [ { type: 'Mystery', sales: getSales() }, { type: 'Thriller & Suspense', sales: getSales() } ] }, { type: 'Romance', items: [ { type: 'Action & Adventure', sales: getSales() }, { type: 'Holidays', sales: getSales() }, { type: 'Romantic Comedy', sales: getSales() }, { type: 'Romantic Suspense', sales: getSales() }, { type: 'Western', sales: getSales() }, { type: 'Historical', sales: getSales() } ] }, { type: 'Sci-Fi & Fantasy', items: [ { type: 'Fantasy', sales: getSales() }, { type: 'Gaming', sales: getSales() }, { type: 'Science Fiction', sales: getSales() } ] } ] }, { type: 'Electronics', items: [ { type: 'Camera', items: [ { type: 'Digital Cameras', sales: getSales() }, { type: 'Film Photography', sales: getSales() }, { type: 'Lenses', sales: getSales() }, { type: 'Video', sales: getSales() }, { type: 'Accessories', sales: getSales() } ] }, { type: 'Headphones', items: [ { type: 'Earbud headphones', sales: getSales() }, { type: 'Over-ear headphones', sales: getSales() }, { type: 'On-ear headphones', sales: getSales() }, { type: 'Bluetooth headphones', sales: getSales() }, { type: 'Noise-cancelling headphones', sales: getSales() }, { type: 'Audiophile headphones', sales: getSales() } ] }, { type: 'Cell Phones', items: [ { type: 'Cell Phones', sales: getSales() }, { type: 'Accessories', items: [ { type: 'Batteries', sales: getSales() }, { type: 'Bluetooth Headsets', sales: getSales() }, { type: 'Bluetooth Speakers', sales: getSales() }, { type: 'Chargers', sales: getSales() }, { type: 'Screen Protectors', sales: getSales() } ] } ] }, { type: 'Wearable Technology', items: [ { type: 'Activity Trackers', sales: getSales() }, { type: 'Smart Watches', sales: getSales() }, { type: 'Sports & GPS Watches', sales: getSales() }, { type: 'Virtual Reality Headsets', sales: getSales() }, { type: 'Wearable Cameras', sales: getSales() }, { type: 'Smart Glasses', sales: getSales() } ] } ] }, { type: 'Computers & Tablets', items: [ { type: 'Desktops', items: [ { type: 'All-in-ones', sales: getSales() }, { type: 'Minis', sales: getSales() }, { type: 'Towers', sales: getSales() } ] }, { type: 'Laptops', items: [ { type: '2 in 1 laptops', sales: getSales() }, { type: 'Traditional laptops', sales: getSales() } ] }, { type: 'Tablets', items: [ { type: 'iOS', sales: getSales() }, { type: 'Android', sales: getSales() }, { type: 'Fire OS', sales: getSales() }, { type: 'Windows', sales: getSales() } ] } ] } ]; return data; } // function getSales() { return Math.round(Math.random() * 100); }
body { margin-bottom: 24px; } .wj-flexchart { height: 500px; }
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