import React from 'react';
import Chart, { Series, Label, Legend } from 'devextreme-react/chart';
import PieChart, { Series as PieSeries, Label as PieLabel, Connector } from 'devextreme-react/pie-chart';
import { Button } from 'devextreme-react/button';
import { allMedals, goldMedals } from './data.js';
import { exportWidgets } from 'devextreme/viz/export';
class App extends React.Component {
constructor(props) {
super(props);
this.chartRef = React.createRef();
this.pieChartRef = React.createRef();
this.onClick = this.onClick.bind(this);
}
render() {
return (
<div id="chart-demo">
<div className="charts">
<Chart
id="chart"
ref={this.chartRef}
dataSource={goldMedals}
rotated={true}
title="Olympic Gold Medals in 2008"
>
<Series
type="bar"
argumentField="country"
valueField="medals"
color="#f3c40b"
>
<Label visible={true} />
</Series>
<Legend visible={false} />
</Chart>
<PieChart
id="pieChart"
ref={this.pieChartRef}
dataSource={allMedals}
palette="Harmony Light"
title={'Total Olympic Medals\n in 2008'}
>
<PieSeries
argumentField="country"
valueField="medals"
>
<PieLabel visible={true}>
<Connector visible={true} />
</PieLabel>
</PieSeries>
</PieChart>
</div>
<div className="controls-pane">
<Button
id="export"
width={145}
icon="export"
text="Export"
type="default"
onClick={this.onClick}
/>
</div>
</div>
);
}
get chart() {
return this.chartRef.current.instance;
}
get pieChart() {
return this.pieChartRef.current.instance;
}
onClick() {
exportWidgets([[this.chart, this.pieChart]], {
fileName: 'chart',
format: 'PNG'
});
}
}
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/20.2.5/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/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-demo {
height: 460px;
}
.charts {
width: 820px;
margin: 0 auto;
height: 374px;
margin-bottom: 40px;
font-size: 0;
}
#chart, #pieChart {
width: 395px;
height: 100%;
display: inline-block;
vertical-align: top;
}
#chart {
margin-right: 30px;
}
.controls-pane {
text-align: center;
}
export const allMedals = [{
country: 'USA',
medals: 110
}, {
country: 'China',
medals: 100
}, {
country: 'Russia',
medals: 71
}, {
country: 'UK',
medals: 47
}, {
country: 'Australia',
medals: 46
}, {
country: 'Germany',
medals: 41
}, {
country: 'France',
medals: 41
}, {
country: 'South Korea',
medals: 31
}];
export const goldMedals = [{
country: 'China',
medals: 51
}, {
country: 'USA',
medals: 36
}, {
country: 'Russia',
medals: 22
}, {
country: 'UK',
medals: 19
}, {
country: 'Germany',
medals: 16
}, {
country: 'Australia',
medals: 14
}, {
country: 'South Korea',
medals: 13
}, {
country: 'France',
medals: 7
}];
System.config({
transpiler: 'plugin-babel',
meta: {
'devextreme/localization.js': {
"esModule": true
},
},
paths: {
'npm:': 'https://unpkg.com/'
},
defaultExtension: 'js',
map: {
'react': 'npm:react@16.14.0/umd/react.development.js',
'react-dom': 'npm:react-dom@16.14.0/umd/react-dom.development.js',
'prop-types': 'npm:prop-types@15.7.2/prop-types.js',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.5',
'devextreme-react': 'npm:devextreme-react@20.2.5',
'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.9.8/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.11/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.18/dist/dx-gantt.js',
'preact': 'npm:preact@10.5.11/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.11/hooks/dist/hooks.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'
},
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'
}
},
babelOptions: {
sourceMaps: false,
stage0: true,
react: true
}
});