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Backend API
import React, { useCallback, useState } from 'react';
import RangeSelector, {
Margin, Scale, MinorTick, Marker, Label, Behavior, SliderMarker, RangeSelectorTypes, IBehaviorProps,
} from 'devextreme-react/range-selector';
import { SelectBox } from 'devextreme-react/select-box';
const startValue = new Date(2011, 0, 1);
const endValue = new Date(2011, 11, 31);
const behaviorModes: (IBehaviorProps['valueChangeMode'])[] = ['onHandleMove', 'onHandleRelease'];
const valueChangeModeLabel = { 'aria-label': 'Value Change Mode' };
function App() {
const [workingDaysCount, setWorkingDaysCount] = useState(
calculateWorkdays([startValue, endValue]),
);
const [behaviorMode, setBehaviorMode] = useState(behaviorModes[0]);
const processRange = useCallback((e: RangeSelectorTypes.ValueChangedEvent) => {
setWorkingDaysCount(calculateWorkdays(e.value));
}, [setWorkingDaysCount]);
const setBehavior = useCallback((data) => {
setBehaviorMode(data.value);
}, [setBehaviorMode]);
return (
<div id="range-selector-demo">
<RangeSelector
id="range-selector"
title="Calculate the Working Days Count in a Date Period"
onValueChanged={processRange}
>
<Margin top={50} />
<Scale startValue={startValue} endValue={endValue} minorTickInterval="day" tickInterval="month">
<MinorTick visible={false} />
<Marker visible={false} />
<Label format="MMM" />
</Scale>
<Behavior valueChangeMode={behaviorMode} />
<SliderMarker format="dd EEEE" />
</RangeSelector>
<h2>Working days count: {workingDaysCount}</h2>
<div className="options">
<div className="caption">Options</div>
<div className="option">
<span>Handle Range Changes </span>
<SelectBox
dataSource={behaviorModes}
width={210}
inputAttr={valueChangeModeLabel}
value={behaviorMode}
onValueChanged={setBehavior}
/>
</div>
</div>
</div>
);
}
function calculateWorkdays([start, end]: (string | number | Date)[]) {
const currentDate = new Date(start);
let workingDaysCount = 0;
while (currentDate <= end) {
if (currentDate.getDay() > 0 && currentDate.getDay() < 6) {
workingDaysCount += 1;
}
currentDate.setDate(currentDate.getDate() + 1);
}
return workingDaysCount;
}
export default App;
import React, { useCallback, useState } from 'react';
import RangeSelector, {
Margin,
Scale,
MinorTick,
Marker,
Label,
Behavior,
SliderMarker,
} from 'devextreme-react/range-selector';
import { SelectBox } from 'devextreme-react/select-box';
const startValue = new Date(2011, 0, 1);
const endValue = new Date(2011, 11, 31);
const behaviorModes = ['onHandleMove', 'onHandleRelease'];
const valueChangeModeLabel = { 'aria-label': 'Value Change Mode' };
function App() {
const [workingDaysCount, setWorkingDaysCount] = useState(
calculateWorkdays([startValue, endValue]),
);
const [behaviorMode, setBehaviorMode] = useState(behaviorModes[0]);
const processRange = useCallback(
(e) => {
setWorkingDaysCount(calculateWorkdays(e.value));
},
[setWorkingDaysCount],
);
const setBehavior = useCallback(
(data) => {
setBehaviorMode(data.value);
},
[setBehaviorMode],
);
return (
<div id="range-selector-demo">
<RangeSelector
id="range-selector"
title="Calculate the Working Days Count in a Date Period"
onValueChanged={processRange}
>
<Margin top={50} />
<Scale
startValue={startValue}
endValue={endValue}
minorTickInterval="day"
tickInterval="month"
>
<MinorTick visible={false} />
<Marker visible={false} />
<Label format="MMM" />
</Scale>
<Behavior valueChangeMode={behaviorMode} />
<SliderMarker format="dd EEEE" />
</RangeSelector>
<h2>Working days count: {workingDaysCount}</h2>
<div className="options">
<div className="caption">Options</div>
<div className="option">
<span>Handle Range Changes </span>
<SelectBox
dataSource={behaviorModes}
width={210}
inputAttr={valueChangeModeLabel}
value={behaviorMode}
onValueChanged={setBehavior}
/>
</div>
</div>
</div>
);
}
function calculateWorkdays([start, end]) {
const currentDate = new Date(start);
let workingDaysCount = 0;
while (currentDate <= end) {
if (currentDate.getDay() > 0 && currentDate.getDay() < 6) {
workingDaysCount += 1;
}
currentDate.setDate(currentDate.getDate() + 1);
}
return workingDaysCount;
}
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'));
<!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="dx-theme" data-theme="generic.light" 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>
#range-selector {
height: 200px;
}
h2 {
text-align: center;
}
.options {
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
position: absolute;
bottom: 0;
left: 0;
right: 0;
}
.option {
margin-top: 10px;
}
.caption {
font-size: 18px;
font-weight: 500;
}
.option > span {
margin-right: 10px;
}
.option > .dx-widget {
display: inline-block;
vertical-align: middle;
}