import React from 'react';
import DateRangeBox from 'devextreme-react/date-range-box';
const msInDay = 1000 * 60 * 60 * 24;
const now = new Date();
const lastDay = new Date(now.getFullYear(), now.getMonth() + 1, 0).getDate();
const initialValue = [
new Date(now.getTime() - msInDay * 3),
new Date(now.getTime() + msInDay * 3),
];
const min = new Date(now.setDate(1));
const max = new Date(now.setDate(lastDay));
function convertRangeToDays([startDate, endDate]) {
const diffInDay = Math.floor(Math.abs((endDate - startDate) / msInDay));
return diffInDay + 1;
}
export default function App() {
const [selectedDays, setSelectedDays] = React.useState(convertRangeToDays(initialValue));
const onCurrentValueChange = React.useCallback(({ value: [startDate, endDate] }) => {
let daysCount = 0;
if (startDate && endDate) {
daysCount = convertRangeToDays([startDate, endDate]);
}
setSelectedDays(daysCount);
}, [setSelectedDays]);
return (
<div className="dx-fieldset">
<div className="dx-field">
<div className="dx-field-label multiline-label">
<span>Default functionality</span>
<div className="selected-days-wrapper ">
<span>Days selected: </span>
<span>{ selectedDays }</span>
</div>
</div>
<div className="dx-field-value">
<DateRangeBox
defaultValue={initialValue}
onValueChanged={onCurrentValueChange}
/>
</div>
</div>
<div className="dx-field">
<div className="dx-field-label">Custom format</div>
<div className="dx-field-value">
<DateRangeBox
defaultValue={initialValue}
displayFormat="EEEE, MMM dd"
/>
</div>
</div>
<div className="dx-field">
<div className="dx-field-label">Use buttons to apply selection</div>
<div className="dx-field-value">
<DateRangeBox applyValueMode="useButtons" />
</div>
</div>
<div className="dx-field">
<div className="dx-field-label">Single-calendar View</div>
<div className="dx-field-value">
<DateRangeBox multiView={false} />
</div>
</div>
<div className="dx-field">
<div className="dx-field-label">Calendar only appears on icon click</div>
<div className="dx-field-value">
<DateRangeBox openOnFieldClick={false} />
</div>
</div>
<div className="dx-field">
<div className="dx-field-label">Limit available dates (this month)</div>
<div className="dx-field-value">
<DateRangeBox
min={min}
max={max}
/>
</div>
</div>
<div className="dx-field">
<div className="dx-field-label">Clear button</div>
<div className="dx-field-value">
<DateRangeBox
defaultValue={initialValue}
showClearButton
/>
</div>
</div>
</div>
);
}
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/23.1.5/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.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.js");
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app"></div>
</div>
</body>
</html>
.demo-container {
height: 690px;
}
.dx-field {
padding: 8px;
}
.selected-days-wrapper {
font-size: 12px;
opacity: 0.5;
}
.multiline-label {
padding-top: 0;
}
window.exports = window.exports || {};
window.config = {
transpiler: 'plugin-babel',
meta: {
'devextreme/localization.js': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
},
defaultExtension: 'js',
map: {
'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@23.1.6/cjs',
'devextreme-react': 'npm:devextreme-react@23.1.6',
'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.6.2/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.2/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.49/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.12',
'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',
// 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@2.8.4/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.4/parser-html.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',
},
},
packageConfigPaths: [
'npm:@devextreme/*/package.json',
'npm:@devextreme/runtime@3.0.12/inferno/package.json',
],
babelOptions: {
sourceMaps: false,
stage0: true,
react: true,
},
};
System.config(window.config);