import React from 'react';
import { dataSource } from './data.js';
import PieChart, {
Legend,
Export,
Series,
Label,
Font,
Connector
} from 'devextreme-react/pie-chart';
class App extends React.Component {
render() {
return (
<PieChart id="pie"
palette="Bright"
dataSource={dataSource}
title="Olympic Medals in 2008"
>
<Legend
orientation="horizontal"
itemTextPosition="right"
horizontalAlignment="center"
verticalAlignment="bottom"
columnCount={4} />
<Export enabled={true} />
<Series argumentField="country" valueField="medals">
<Label
visible={true}
position="columns"
customizeText={customizeText}>
<Font size={16} />
<Connector visible={true} width={0.5} />
</Label>
</Series>
</PieChart>
);
}
}
function customizeText(arg) {
return `${arg.valueText} (${arg.percentText})`;
}
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="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="https://unpkg.com/core-js@2.4.1/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>
#pie {
height: 440px;
}
export const dataSource = [{
country: 'USA',
medals: 110
}, {
country: 'China',
medals: 100
}, {
country: 'Russia',
medals: 72
}, {
country: 'Britain',
medals: 47
}, {
country: 'Australia',
medals: 46
}, {
country: 'Germany',
medals: 41
}, {
country: 'France',
medals: 40
}, {
country: 'South Korea',
medals: 31
}];
System.config({
transpiler: 'plugin-babel',
paths: {
'npm:': 'https://unpkg.com/'
},
defaultExtension: 'js',
map: {
'react': 'npm:react@16/umd/react.development.js',
'react-dom': 'npm:react-dom@16/umd/react-dom.development.js',
'prop-types': 'npm:prop-types/prop-types.js',
'devextreme': 'npm:devextreme@19.2',
'devextreme-react': 'npm:devextreme-react@19.2',
'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js',
'quill': 'npm:quill@1.3.7/dist/quill.js',
'devexpress-diagram': 'npm:devexpress-diagram',
'devexpress-gantt': 'npm:devexpress-gantt',
// SystemJS plugins
'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js'
},
packages: {
'devextreme': {
defaultExtension: 'js'
},
'devextreme-react': {
main: 'index.js'
}
},
babelOptions: {
sourceMaps: false,
stage0: true,
react: true
}
});