www.kaggle.com
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Backend API
import React from 'react';
import DataSource from 'devextreme/data/data_source';
import CustomStore from 'devextreme/data/custom_store';
import Chart, {
ValueAxis, Label, Legend, Series, Size, Export, LoadingIndicator,
} from 'devextreme-react/chart';
import SelectBox, { SelectBoxTypes } from 'devextreme-react/select-box';
const temperatureLabel = { 'aria-label': 'Temperature' };
const temperature = [2, 4, 6, 8, 9, 10, 11];
const palette = ['#c3a2cc', '#b7b5e0', '#e48cba'];
let paletteIndex = 0;
const monthWeather = new DataSource({
store: new CustomStore({
load: () => fetch('../../../../data/monthWeather.json')
.then((e) => e.json())
.catch(() => { throw new Error('Data Loading Error'); }),
loadMode: 'raw',
}),
filter: ['t', '>', '2'],
paginate: false,
});
function customizeLabel(e: { valueText: string; }) {
return `${e.valueText}${'°C'}`;
}
function customizePoint() {
const color = palette[paletteIndex];
paletteIndex = paletteIndex === 2 ? 0 : paletteIndex + 1;
return { color };
}
function changeTemperature(e: SelectBoxTypes.ValueChangedEvent) {
monthWeather.filter(['t', '>', e.value]);
monthWeather.load();
}
function App() {
return (
<div id="chart-demo">
{monthWeather && (
<Chart
title="Temperature in Seattle: October 2017"
dataSource={monthWeather}
customizePoint={customizePoint}
>
<Size height={420} />
<ValueAxis>
<Label customizeText={customizeLabel} />
</ValueAxis>
<Series argumentField="day" valueField="t" type="bar" />
<Legend visible={false} />
<Export enabled={true} />
<LoadingIndicator enabled={true} />
</Chart>
)}
<div className="action">
<div className="label">Choose a temperature threshold, °C:</div>
<SelectBox
id="choose-temperature"
dataSource={temperature}
inputAttr={temperatureLabel}
defaultValue={2}
onValueChanged={changeTemperature}
/>
</div>
</div>
);
}
export default App;
import React from 'react';
import DataSource from 'devextreme/data/data_source';
import CustomStore from 'devextreme/data/custom_store';
import Chart, {
ValueAxis,
Label,
Legend,
Series,
Size,
Export,
LoadingIndicator,
} from 'devextreme-react/chart';
import SelectBox from 'devextreme-react/select-box';
const temperatureLabel = { 'aria-label': 'Temperature' };
const temperature = [2, 4, 6, 8, 9, 10, 11];
const palette = ['#c3a2cc', '#b7b5e0', '#e48cba'];
let paletteIndex = 0;
const monthWeather = new DataSource({
store: new CustomStore({
load: () =>
fetch('../../../../data/monthWeather.json')
.then((e) => e.json())
.catch(() => {
throw new Error('Data Loading Error');
}),
loadMode: 'raw',
}),
filter: ['t', '>', '2'],
paginate: false,
});
function customizeLabel(e) {
return `${e.valueText}${'°C'}`;
}
function customizePoint() {
const color = palette[paletteIndex];
paletteIndex = paletteIndex === 2 ? 0 : paletteIndex + 1;
return { color };
}
function changeTemperature(e) {
monthWeather.filter(['t', '>', e.value]);
monthWeather.load();
}
function App() {
return (
<div id="chart-demo">
{monthWeather && (
<Chart
title="Temperature in Seattle: October 2017"
dataSource={monthWeather}
customizePoint={customizePoint}
>
<Size height={420} />
<ValueAxis>
<Label customizeText={customizeLabel} />
</ValueAxis>
<Series
argumentField="day"
valueField="t"
type="bar"
/>
<Legend visible={false} />
<Export enabled={true} />
<LoadingIndicator enabled={true} />
</Chart>
)}
<div className="action">
<div className="label">Choose a temperature threshold, °C:</div>
<SelectBox
id="choose-temperature"
dataSource={temperature}
inputAttr={temperatureLabel}
defaultValue={2}
onValueChanged={changeTemperature}
/>
</div>
</div>
);
}
export default App;
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.tsx';
ReactDOM.render(
<App />,
document.getElementById('app'),
);
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@2.2.12/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';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(<App />, document.getElementById('app'));
[
{ "day": "1", "t": 11 },
{ "day": "2", "t": 7 },
{ "day": "3", "t": 6 },
{ "day": "4", "t": 8 },
{ "day": "5", "t": 7 },
{ "day": "6", "t": 7 },
{ "day": "7", "t": 11 },
{ "day": "8", "t": 9 },
{ "day": "9", "t": 5 },
{ "day": "10", "t": 8 },
{ "day": "11", "t": 6 },
{ "day": "12", "t": 9 },
{ "day": "13", "t": 8 },
{ "day": "14", "t": 6 },
{ "day": "15", "t": 6 },
{ "day": "16", "t": 6 },
{ "day": "17", "t": 10 },
{ "day": "18", "t": 9 },
{ "day": "19", "t": 12 },
{ "day": "20", "t": 9 },
{ "day": "21", "t": 8 },
{ "day": "22", "t": 13 },
{ "day": "23", "t": 9 },
{ "day": "24", "t": 7 },
{ "day": "25", "t": 6 },
{ "day": "26", "t": 11 },
{ "day": "27", "t": 8 },
{ "day": "28", "t": 7 },
{ "day": "29", "t": 9 },
{ "day": "30", "t": 7 },
{ "day": "31", "t": 3 }
]
<!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>
.action {
width: 330px;
margin-top: 20px;
display: flex;
align-items: center;
justify-content: space-between;
}
.action .dx-selectbox {
width: 90px;
}
Once you load the data, specify the series type and its nested options: argumentField and valueField, so the component can determine which object fields in the data source indicate Chart arguments and values.