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Backend API
import React from 'react';
import PieChart, {
Series,
Legend,
Label,
Connector,
} from 'devextreme-react/pie-chart';
import { data } from './data.ts';
import CenterTemplate from './CenterTemplate.tsx';
const countries = Array.from(new Set(data.map((item) => item.country)));
const customizeLabel = (e) => `${e.argumentText}\n${e.valueText}`;
function App() {
const pies = countries.map((country) => (
<PieChart
id="pie-chart"
key={country}
dataSource={data.filter((i) => i.country === country)}
resolveLabelOverlapping="shift"
sizeGroup="piesGroup"
innerRadius={0.65}
centerRender={CenterTemplate}
type="doughnut"
>
<Series
argumentField="commodity"
valueField="total"
>
<Label visible={true}
format="fixedPoint"
customizeText={customizeLabel}
backgroundColor="none">
<Connector visible={true}></Connector>
</Label>
</Series>
<Legend visible={false}></Legend>
</PieChart>
));
return (
<div>
<div className="long-title"><h3>Energy Production (GWh, 2016)</h3></div>
<div className="pies-container">
{pies}
</div>
</div>
);
}
export default App;
import React from 'react';
import PieChart, {
Series, Legend, Label, Connector,
} from 'devextreme-react/pie-chart';
import { data } from './data.js';
import CenterTemplate from './CenterTemplate.js';
const countries = Array.from(new Set(data.map((item) => item.country)));
const customizeLabel = (e) => `${e.argumentText}\n${e.valueText}`;
function App() {
const pies = countries.map((country) => (
<PieChart
id="pie-chart"
key={country}
dataSource={data.filter((i) => i.country === country)}
resolveLabelOverlapping="shift"
sizeGroup="piesGroup"
innerRadius={0.65}
centerRender={CenterTemplate}
type="doughnut"
>
<Series
argumentField="commodity"
valueField="total"
>
<Label
visible={true}
format="fixedPoint"
customizeText={customizeLabel}
backgroundColor="none"
>
<Connector visible={true}></Connector>
</Label>
</Series>
<Legend visible={false}></Legend>
</PieChart>
));
return (
<div>
<div className="long-title">
<h3>Energy Production (GWh, 2016)</h3>
</div>
<div className="pies-container">{pies}</div>
</div>
);
}
export default App;
import { PieChartRef } from 'devextreme-react/pie-chart';
import React from 'react';
const formatNumber = new Intl.NumberFormat('en-US', {
minimumFractionDigits: 0,
}).format;
function calculateTotal(pieChart: ReturnType<PieChartRef['instance']>) {
return formatNumber(pieChart
.getAllSeries()[0]
.getVisiblePoints()
.reduce((s, p) => s + Number(p.originalValue), 0));
}
function getImagePath(country: string) {
return `../../../../images/flags/${country.replace(/\s/, '').toLowerCase()}.svg`;
}
export default function TooltipTemplate(pieChart: ReturnType<PieChartRef['instance']>) {
const { country } = pieChart.getAllSeries()[0].getVisiblePoints()[0].data;
return (
<svg>
<circle cx="100" cy="100" r={pieChart.getInnerRadius() - 6} fill="#eee"></circle>
<image href={getImagePath(country)} x="70" y="58" width="60" height="40" />
<text textAnchor="middle" x="100" y="120" style={{ fontSize: 18, fill: '#494949' }}>
<tspan x="100">{country}</tspan>
<tspan x="100" dy="20px" style={{ fontWeight: 600 }}>{
calculateTotal(pieChart)
}</tspan>
</text>
</svg>
);
}
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.tsx';
ReactDOM.render(
<App />,
document.getElementById('app'),
);
export const data = [
{ country: 'France', commodity: 'Nuclear', total: 413278 },
{ country: 'Germany', commodity: 'Nuclear', total: 76536 },
{ country: 'France', commodity: 'Thermal', total: 47594 },
{ country: 'Germany', commodity: 'Thermal', total: 375809 },
{ country: 'France', commodity: 'Wind', total: 21033 },
{ country: 'Germany', commodity: 'Wind', total: 58228 },
{ country: 'France', commodity: 'Solar', total: 7274 },
{ country: 'Germany', commodity: 'Solar', total: 37520 },
{ country: 'France', commodity: 'Tidal, Wave', total: 618 },
];
window.exports = window.exports || {};
window.config = {
transpiler: 'ts',
typescriptOptions: {
module: 'system',
emitDecoratorMetadata: true,
experimentalDecorators: true,
jsx: 'react',
},
meta: {
'react': {
'esModule': true,
},
'typescript': {
'exports': 'ts',
},
'devextreme/time_zone_utils.js': {
'esModule': true,
},
'devextreme/localization.js': {
'esModule': true,
},
'devextreme/viz/palette.js': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
},
defaultExtension: 'js',
map: {
'ts': 'npm:plugin-typescript@4.2.4/lib/plugin.js',
'typescript': 'npm:typescript@4.2.4/lib/typescript.js',
'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@1.28.1/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@24.1.7/cjs',
'devextreme-react': 'npm:devextreme-react@24.1.7/cjs',
'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.13/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.56/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.13',
'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',
'devextreme-cldr-data': 'npm:devextreme-cldr-data@1.0.3',
// 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@2.8.8/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js',
},
packages: {
'devextreme': {
defaultExtension: 'js',
},
'devextreme-react': {
main: 'index.js',
},
'devextreme/events/utils': {
main: 'index',
},
'devextreme/localization/messages': {
format: 'json',
defaultExtension: 'json',
},
'devextreme/events': {
main: 'index',
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js',
},
},
packageConfigPaths: [
'npm:@devextreme/*/package.json',
'npm:@devextreme/runtime@3.0.13/inferno/package.json',
],
babelOptions: {
sourceMaps: false,
stage0: true,
react: true,
},
};
System.config(window.config);
import React from 'react';
const formatNumber = new Intl.NumberFormat('en-US', {
minimumFractionDigits: 0,
}).format;
function calculateTotal(pieChart) {
return formatNumber(
pieChart
.getAllSeries()[0]
.getVisiblePoints()
.reduce((s, p) => s + Number(p.originalValue), 0),
);
}
function getImagePath(country) {
return `../../../../images/flags/${country.replace(/\s/, '').toLowerCase()}.svg`;
}
export default function TooltipTemplate(pieChart) {
const { country } = pieChart.getAllSeries()[0].getVisiblePoints()[0].data;
return (
<svg>
<circle
cx="100"
cy="100"
r={pieChart.getInnerRadius() - 6}
fill="#eee"
></circle>
<image
href={getImagePath(country)}
x="70"
y="58"
width="60"
height="40"
/>
<text
textAnchor="middle"
x="100"
y="120"
style={{ fontSize: 18, fill: '#494949' }}
>
<tspan x="100">{country}</tspan>
<tspan
x="100"
dy="20px"
style={{ fontWeight: 600 }}
>
{calculateTotal(pieChart)}
</tspan>
</text>
</svg>
);
}
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(<App />, document.getElementById('app'));
export const data = [
{ country: 'France', commodity: 'Nuclear', total: 413278 },
{ country: 'Germany', commodity: 'Nuclear', total: 76536 },
{ country: 'France', commodity: 'Thermal', total: 47594 },
{ country: 'Germany', commodity: 'Thermal', total: 375809 },
{ country: 'France', commodity: 'Wind', total: 21033 },
{ country: 'Germany', commodity: 'Wind', total: 58228 },
{ country: 'France', commodity: 'Solar', total: 7274 },
{ country: 'Germany', commodity: 'Solar', total: 37520 },
{ country: 'France', commodity: 'Tidal, Wave', total: 618 },
];
<!DOCTYPE html>
<html lang="en">
<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=5.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/24.1.7/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.tsx");
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app"></div>
</div>
</body>
</html>
.pies-container {
margin: auto;
width: 800px;
}
.pies-container > div {
width: 400px;
float: left;
margin-top: -50px;
}
.long-title h3 {
font-weight: 200;
font-size: 28px;
text-align: center;
margin-bottom: 20px;
}