DevExtreme Accessibility Compliance
DevExtreme component libraries meet a variety of WCAG and Section 508 compliance standards. To assess this demo’s accessibility level, click the Run AXE® Validation button to launch the AXE® web accessibility evaluation tool.
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The overall accessibility level of your application depends on the DateRangeBox features used.
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Backend API
import React, { useCallback, useState } 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: [Date, Date] = [
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]: [Date, Date]) {
const diffInDay = Math.floor(Math.abs((endDate.valueOf() - startDate.valueOf()) / msInDay));
return diffInDay + 1;
}
export default function App() {
const [selectedDays, setSelectedDays] = useState(convertRangeToDays(initialValue));
const onCurrentValueChange = 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">Disable out of range selection</div>
<div className="dx-field-value">
<DateRangeBox disableOutOfRangeSelection={true} />
</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, { useCallback, useState } 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.valueOf() - startDate.valueOf()) / msInDay));
return diffInDay + 1;
}
export default function App() {
const [selectedDays, setSelectedDays] = useState(convertRangeToDays(initialValue));
const onCurrentValueChange = 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">Disable out of range selection</div>
<div className="dx-field-value">
<DateRangeBox disableOutOfRangeSelection={true} />
</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.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="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/24.1.7/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.tsx");
</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;
}
This demo illustrates how to apply the following DateRangeBox settings:
-
value An array where you can specify the selected range (start/end dates). The DateRangeBox also allows you to define start/end dates separately. For this purpose, use the startDate and endDate properties instead.
-
displayFormat Date display format. You can use one of our predefined formats or specify a custom format as needs dictate. This demo illustrates the latter.
-
disabled
Specifies whether the DateRangeBox responds to user interaction. -
showClearButton Displays a button that clears DateRangeBox values.
-
multiView Switches between our single-month and two-month dropdown calendar.
-
applyValueMode
Defines whether the selected value is applied instantly or after a user clicks the Apply button.
To get started with the DevExtreme DateRangeBox component, refer to the Getting Started with DateRangeBox tutorial.