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    Charts

    Selection

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    This demo illustrates the use of the pointClick callback function to implement selection in the Chart widget. The selectionMode of the series is set to «allArgumentPoints», which means that when a user selects a point, other points with the same argument also become selected.

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    import React from 'react'; import Chart, { CommonSeriesSettings, Series, Label, Format, ValueAxis, Legend, Export } from 'devextreme-react/chart'; import { exportData } from './data.js'; class App extends React.Component { render() { return ( <Chart id="chart" dataSource={exportData} rotated={true} onPointClick={onPointClick} onLegendClick={onLegendClick} title="Economy - Export Change" > <CommonSeriesSettings argumentField="country" type="bar" hoverMode="allArgumentPoints" selectionMode="allArgumentPoints" > <Label visible={true}> <Format precision={1} type="percent" /> </Label> </CommonSeriesSettings> <Series valueField="year2007" name="2007 - 2008" /> <Series valueField="year2008" name="2008 - 2009" /> <ValueAxis> <Label> <Format precision={1} type="percent" /> </Label> </ValueAxis> <Legend verticalAlignment="bottom" horizontalAlignment="center"> </Legend> <Export enabled={true} /> </Chart> ); } } function onPointClick({ target: point }) { point.select(); } function onLegendClick({ target: series }) { if(series.isVisible()) { series.hide(); } else { series.show(); } } 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/20.1.8/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.8/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>
    #chart { height: 440px; }
    export const exportData = [{ country: 'China', year2007: 0.1732, year2008: -0.1588 }, { country: 'Germany', year2007: 0.0964, year2008: -0.2231 }, { country: 'United States', year2007: 0.1187, year2008: -0.1878 }, { country: 'Japan', year2007: 0.1081, year2008: -0.2614 }, { country: 'France', year2007: 0.1014, year2008: -0.2222 }, { country: 'Netherlands', year2007: 0.1355, year2008: -0.2015 }];
    System.config({ transpiler: 'plugin-babel', meta: { }, 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@20.1', 'devextreme-react': 'npm:devextreme-react@20.1', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram@1.0.17', 'devexpress-gantt': 'npm:devexpress-gantt@1.0.10', // 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' }, 'devextreme/events/utils': { main: 'index' }, 'devextreme/events': { main: 'index' }, }, babelOptions: { sourceMaps: false, stage0: true, react: true } });