import React from 'react';
import TreeMap, { Colorizer, Tooltip } from 'devextreme-react/tree-map';
import SelectBox from 'devextreme-react/select-box';
import { populationByAge } from './data.js';
const algorithms = ['sliceAndDice', 'squarified', 'strip', 'custom'];
class App extends React.Component {
constructor(props) {
super(props);
this.state = {
selectedAlgorithm: algorithms[2],
currentAlgorithm: getCurrentAlgorithm(algorithms[2]),
};
this.setAlgorithm = this.setAlgorithm.bind(this);
}
render() {
return (
<React.Fragment>
<TreeMap
id="treemap"
dataSource={populationByAge}
layoutAlgorithm={this.state.currentAlgorithm}
title="Population by Age Groups"
>
<Colorizer
colorizeGroups={true}
type="discrete"
/>
<Tooltip
enabled={true}
customizeTooltip={customizeTooltip}
format="thousands"
/>
</TreeMap>
<div className="options">
<div className="caption">Options</div>
<div className="option">
<span>Tiling Algorithm </span>
<SelectBox
dataSource={algorithms}
width={200}
value={this.state.selectedAlgorithm}
onValueChanged={this.setAlgorithm}
/>
</div>
</div>
</React.Fragment>
);
}
setAlgorithm(data) {
this.setState({
selectedAlgorithm: data.value,
currentAlgorithm: getCurrentAlgorithm(data.value),
});
}
}
function customAlgorithm(arg) {
const totalRect = arg.rect.slice();
let totalSum = arg.sum;
let side = 0;
arg.items.forEach((item) => {
const size = Math.round(((totalRect[side + 2] - totalRect[side]) * item.value) / totalSum);
const rect = totalRect.slice();
totalSum -= item.value;
totalRect[side] += size;
rect[side + 2] = totalRect[side];
item.rect = rect;
side = 1 - side;
});
}
function getCurrentAlgorithm(selectedAlgorithm) {
let currentAlgorithm = selectedAlgorithm.toLowerCase();
if (currentAlgorithm === 'custom') {
currentAlgorithm = customAlgorithm;
}
return currentAlgorithm;
}
function customizeTooltip(arg) {
const { data } = arg.node;
const parentData = arg.node.getParent().data;
return {
text: arg.node.isLeaf()
? `<span class='country'>${parentData.name}</span><br />${data.name}<br />${arg.valueText}(${((100 * data.value) / parentData.total).toFixed(1)}%)`
: `<span class='country'>${data.name}</span>`,
};
}
export default App;
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(
<App />,
document.getElementById('app'),
);
<!DOCTYPE html>
<html>
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/22.2.6/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script type="text/javascript" src="config.js"></script>
<script type="text/javascript">
System.import("./index.js");
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app"></div>
</div>
</body>
</html>
#treemap {
height: 460px;
}
.country {
font-weight: 500;
}
.options {
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
margin-top: 20px;
}
.option {
margin-top: 10px;
}
.caption {
font-size: 18px;
font-weight: 500;
}
.option > span {
margin-right: 10px;
}
.option > .dx-widget {
display: inline-block;
vertical-align: middle;
}
export const populationByAge = [{
name: 'Brazil',
total: 200050486,
items: [{
name: 'Age 0-14',
value: 48058462,
}, {
name: 'Age 15-44',
value: 96036995,
}, {
name: 'Age 45-64',
value: 40715296,
}, {
name: 'Age 65+',
value: 15239733,
}],
}, {
name: 'Japan',
total: 126345237,
items: [{
name: 'Age 0-14',
value: 16593766,
}, {
name: 'Age 15-44',
value: 45455276,
}, {
name: 'Age 45-64',
value: 32845790,
}, {
name: 'Age 65+',
value: 31450405,
}],
}, {
name: 'United States',
total: 318497627,
items: [{
name: 'Age 0-14',
value: 63968935,
}, {
name: 'Age 15-44',
value: 127217843,
}, {
name: 'Age 45-64',
value: 83145484,
}, {
name: 'Age 65+',
value: 44165365,
}],
}];
window.config = {
transpiler: 'plugin-babel',
meta: {
'devextreme/localization.js': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
},
defaultExtension: 'js',
map: {
'react': 'npm:react@17.0.2/umd/react.development.js',
'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js',
'prop-types': 'npm:prop-types@15.8.1/prop-types.js',
'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.28.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@22.2.6/cjs',
'devextreme-react': 'npm:devextreme-react@22.2.6',
'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.5.20/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.1.72/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.43/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.11',
'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js',
'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js',
'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js',
'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js',
'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/dist/inferno-hydrate.min.js',
'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js',
'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js',
'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.js',
// SystemJS plugins
'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js',
// Prettier
'prettier/standalone': 'npm:prettier@2.8.4/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.4/parser-html.js',
},
packages: {
'devextreme': {
defaultExtension: 'js',
},
'devextreme-react': {
main: 'index.js',
},
'devextreme/events/utils': {
main: 'index',
},
'devextreme/events': {
main: 'index',
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js',
},
},
packageConfigPaths: [
'npm:@devextreme/*/package.json',
'npm:@devextreme/runtime@3.0.11/inferno/package.json',
],
babelOptions: {
sourceMaps: false,
stage0: true,
react: true,
},
};
System.config(window.config);