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Doughnut Charts

Doughnut Selection

Documentation

This demo illustrates how a user can select slices on the PieChart widget with the doughnut series type.

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import React from 'react'; import PieChart, { Legend, Series, Export, HoverStyle } from 'devextreme-react/pie-chart'; import { olympicMedals } from './data.js'; class App extends React.Component { render() { return ( <PieChart id={'pie'} type={'doughnut'} title={'Olympic Medals in 2008'} palette={'Soft Pastel'} dataSource={olympicMedals} onPointClick={this.pointClickHandler} > <Series argumentField={'country'} valueField={'medals'}> <HoverStyle color={'#ffd700'} /> </Series> <Export enabled={true} /> <Legend margin={0} horizontalAlignment={'right'} verticalAlignment={'top'} /> </PieChart> ); } pointClickHandler(arg) { arg.target.select(); } } 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/19.2.3/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.3/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 olympicMedals = [{ 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 } });