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 Scheduler features used.
Backend API
import React from 'react';
import Scheduler, { Resource, type SchedulerTypes } from 'devextreme-react/scheduler';
import { employees, data } from './data.ts';
import DataCell from './DataCell.tsx';
import ResourceCell from './ResourceCell.tsx';
const currentDate = new Date(2021, 5, 2, 11, 30);
const groups = ['employeeID'];
const views: SchedulerTypes.ViewType[] = ['month'];
const App = () => (
<Scheduler
timeZone="America/Los_Angeles"
dataSource={data}
dataCellComponent={DataCell}
resourceCellComponent={ResourceCell}
groups={groups}
views={views}
defaultCurrentView="month"
defaultCurrentDate={currentDate}
height={710}
showAllDayPanel={true}
firstDayOfWeek={1}
startDayHour={8}
endDayHour={18}
>
<Resource
label="Employee"
fieldExpr="employeeID"
dataSource={employees}
allowMultiple={false}
/>
</Scheduler>
);
export default App;
import React from 'react';
import Scheduler, { Resource } from 'devextreme-react/scheduler';
import { employees, data } from './data.js';
import DataCell from './DataCell.js';
import ResourceCell from './ResourceCell.js';
const currentDate = new Date(2021, 5, 2, 11, 30);
const groups = ['employeeID'];
const views = ['month'];
const App = () => (
<Scheduler
timeZone="America/Los_Angeles"
dataSource={data}
dataCellComponent={DataCell}
resourceCellComponent={ResourceCell}
groups={groups}
views={views}
defaultCurrentView="month"
defaultCurrentDate={currentDate}
height={710}
showAllDayPanel={true}
firstDayOfWeek={1}
startDayHour={8}
endDayHour={18}
>
<Resource
label="Employee"
fieldExpr="employeeID"
dataSource={employees}
allowMultiple={false}
/>
</Scheduler>
);
export default App;
import React from 'react';
type DataCellProps = {
data: { startDate: Date; groups: { employeeID: number; }; text: string; }
};
const isWeekEnd = (date: Date) => {
const day = date.getDay();
return day === 0 || day === 6;
};
const getCurrentTraining = (date: number, employeeID: number) => {
const result = (date + employeeID) % 3;
const currentTraining = `training-background-${result}`;
return currentTraining;
};
const DataCell = (props: DataCellProps) => {
const { data: { startDate, groups: { employeeID }, text } } = props;
const dayClasses = [
'day-cell',
getCurrentTraining(startDate.getDate(), employeeID),
];
const employeeClasses = [`employee-${employeeID}`, 'dx-template-wrapper'];
if (isWeekEnd(startDate)) {
employeeClasses.push(`employee-weekend-${employeeID}`);
}
return (
<div className={employeeClasses.join(' ')}>
<div className={dayClasses.join(' ')}>
{text}
</div>
</div>
);
};
export default DataCell;
import React from 'react';
type ResourceCellProps = {
data: { color: string; text: string; data: { avatar: string; age: number; discipline: string; }; };
};
const ResourceCell = (props: ResourceCellProps) => {
const { data: { color, text, data: { avatar, age, discipline } } } = props;
return (
<div className="dx-template-wrapper">
<div className="name" style={{ background: color }}>
<h2>{text}</h2>
</div>
<div className="avatar" title={text}>
<img
src={avatar}
alt={`${text} photo`}
/>
</div>
<div className="info" style={{ color }}>
Age: {age}
<br />
<b>{discipline}</b>
</div>
</div>
);
};
export default ResourceCell;
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.tsx';
ReactDOM.render(
<App />,
document.getElementById('app'),
);
import { SchedulerTypes } from 'devextreme-react/scheduler';
type Appointment = SchedulerTypes.Appointment & { employeeID: number };
type Resource = {
text: string;
id: number;
color: string;
avatar: string;
age: number;
discipline: string;
};
export const data: Appointment[] = [
{
text: 'Helen',
employeeID: 2,
startDate: new Date('2021-06-01T16:30:00.000Z'),
endDate: new Date('2021-06-01T18:30:00.000Z'),
}, {
text: 'Helen',
employeeID: 2,
startDate: new Date('2021-06-10T16:30:00.000Z'),
endDate: new Date('2021-06-11T18:30:00.000Z'),
}, {
text: 'Alex',
employeeID: 1,
startDate: new Date('2021-06-02T16:30:00.000Z'),
endDate: new Date('2021-06-02T18:30:00.000Z'),
}, {
text: 'Alex',
employeeID: 1,
startDate: new Date('2021-06-11T19:00:00.000Z'),
endDate: new Date('2021-06-11T20:00:00.000Z'),
}, {
text: 'Alex',
employeeID: 2,
startDate: new Date('2021-06-16T16:30:00.000Z'),
endDate: new Date('2021-06-16T18:30:00.000Z'),
}, {
text: 'Stan',
employeeID: 1,
startDate: new Date('2021-06-07T16:30:00.000Z'),
endDate: new Date('2021-06-07T18:30:00.000Z'),
}, {
text: 'Stan',
employeeID: 1,
startDate: new Date('2021-06-28T16:30:00.000Z'),
endDate: new Date('2021-06-28T18:30:00.000Z'),
}, {
text: 'Stan',
employeeID: 1,
startDate: new Date('2021-06-30T16:30:00.000Z'),
endDate: new Date('2021-06-30T18:30:00.000Z'),
}, {
text: 'Rachel',
employeeID: 2,
startDate: new Date('2021-06-04T16:30:00.000Z'),
endDate: new Date('2021-06-04T18:30:00.000Z'),
}, {
text: 'Rachel',
employeeID: 2,
startDate: new Date('2021-06-07T16:30:00.000Z'),
endDate: new Date('2021-06-07T18:30:00.000Z'),
}, {
text: 'Rachel',
employeeID: 1,
startDate: new Date('2021-06-21T16:30:00.000Z'),
endDate: new Date('2021-06-21T18:30:00.000Z'),
}, {
text: 'Kelly',
employeeID: 2,
startDate: new Date('2021-06-15T16:30:00.000Z'),
endDate: new Date('2021-06-15T18:30:00.000Z'),
}, {
text: 'Kelly',
employeeID: 2,
startDate: new Date('2021-06-29T16:30:00.000Z'),
endDate: new Date('2021-06-29T18:30:00.000Z'),
}];
export const employees: Resource[] = [{
text: 'John Heart',
id: 1,
color: 'var(--background-color-1)',
avatar: '../../../../images/employees/19.png',
age: 27,
discipline: 'ABS, Fitball, StepFit',
}, {
text: 'Greta Sims',
id: 2,
color: 'var(--background-color-2)',
avatar: '../../../../images/employees/31.png',
age: 25,
discipline: 'ABS, Fitball, StepFit',
}];
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,
},
'openai': {
'esModule': true,
},
},
paths: {
'npm:': 'https://cdn.jsdelivr.net/npm/',
'bundles:': '../../../../bundles/',
'externals:': '../../../../bundles/externals/',
},
defaultExtension: 'js',
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@4.2.4/lib/typescript.js',
'jszip': 'npm:jszip@3.10.1/dist/jszip.min.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/prop-types.js',
'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
'luxon': 'npm:luxon@3.4.4/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign',
'devextreme': 'npm:devextreme@link:../../packages/devextreme/artifacts/npm/devextreme/cjs',
'devextreme-react': 'npm:devextreme-react@link:../../packages/devextreme-react/npm/cjs',
'devextreme-quill': 'npm:devextreme-quill@1.7.6/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.24/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.64/dist/dx-gantt.js',
'inferno': 'npm:inferno@8.2.3/dist/inferno.min.js',
'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js',
'inferno-create-element': 'npm:inferno-create-element@8.2.3/dist/inferno-create-element.min.js',
'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js',
'inferno-hydrate': 'npm:inferno-hydrate/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',
'@preact/signals-core': 'npm:@preact/signals-core@1.8.0/dist/signals-core.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-react/common': {
main: 'index.js',
},
'devextreme/events/utils': {
main: 'index',
},
'devextreme/common/core/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',
],
babelOptions: {
sourceMaps: false,
stage0: true,
react: true,
},
};
System.config(window.config);
// eslint-disable-next-line
const useTgzInCSB = ['openai'];
import React from 'react';
const isWeekEnd = (date) => {
const day = date.getDay();
return day === 0 || day === 6;
};
const getCurrentTraining = (date, employeeID) => {
const result = (date + employeeID) % 3;
const currentTraining = `training-background-${result}`;
return currentTraining;
};
const DataCell = (props) => {
const {
data: {
startDate,
groups: { employeeID },
text,
},
} = props;
const dayClasses = ['day-cell', getCurrentTraining(startDate.getDate(), employeeID)];
const employeeClasses = [`employee-${employeeID}`, 'dx-template-wrapper'];
if (isWeekEnd(startDate)) {
employeeClasses.push(`employee-weekend-${employeeID}`);
}
return (
<div className={employeeClasses.join(' ')}>
<div className={dayClasses.join(' ')}>{text}</div>
</div>
);
};
export default DataCell;
import React from 'react';
const ResourceCell = (props) => {
const {
data: {
color,
text,
data: { avatar, age, discipline },
},
} = props;
return (
<div className="dx-template-wrapper">
<div
className="name"
style={{ background: color }}
>
<h2>{text}</h2>
</div>
<div
className="avatar"
title={text}
>
<img
src={avatar}
alt={`${text} photo`}
/>
</div>
<div
className="info"
style={{ color }}
>
Age: {age}
<br />
<b>{discipline}</b>
</div>
</div>
);
};
export default ResourceCell;
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(<App />, document.getElementById('app'));
export const data = [
{
text: 'Helen',
employeeID: 2,
startDate: new Date('2021-06-01T16:30:00.000Z'),
endDate: new Date('2021-06-01T18:30:00.000Z'),
},
{
text: 'Helen',
employeeID: 2,
startDate: new Date('2021-06-10T16:30:00.000Z'),
endDate: new Date('2021-06-11T18:30:00.000Z'),
},
{
text: 'Alex',
employeeID: 1,
startDate: new Date('2021-06-02T16:30:00.000Z'),
endDate: new Date('2021-06-02T18:30:00.000Z'),
},
{
text: 'Alex',
employeeID: 1,
startDate: new Date('2021-06-11T19:00:00.000Z'),
endDate: new Date('2021-06-11T20:00:00.000Z'),
},
{
text: 'Alex',
employeeID: 2,
startDate: new Date('2021-06-16T16:30:00.000Z'),
endDate: new Date('2021-06-16T18:30:00.000Z'),
},
{
text: 'Stan',
employeeID: 1,
startDate: new Date('2021-06-07T16:30:00.000Z'),
endDate: new Date('2021-06-07T18:30:00.000Z'),
},
{
text: 'Stan',
employeeID: 1,
startDate: new Date('2021-06-28T16:30:00.000Z'),
endDate: new Date('2021-06-28T18:30:00.000Z'),
},
{
text: 'Stan',
employeeID: 1,
startDate: new Date('2021-06-30T16:30:00.000Z'),
endDate: new Date('2021-06-30T18:30:00.000Z'),
},
{
text: 'Rachel',
employeeID: 2,
startDate: new Date('2021-06-04T16:30:00.000Z'),
endDate: new Date('2021-06-04T18:30:00.000Z'),
},
{
text: 'Rachel',
employeeID: 2,
startDate: new Date('2021-06-07T16:30:00.000Z'),
endDate: new Date('2021-06-07T18:30:00.000Z'),
},
{
text: 'Rachel',
employeeID: 1,
startDate: new Date('2021-06-21T16:30:00.000Z'),
endDate: new Date('2021-06-21T18:30:00.000Z'),
},
{
text: 'Kelly',
employeeID: 2,
startDate: new Date('2021-06-15T16:30:00.000Z'),
endDate: new Date('2021-06-15T18:30:00.000Z'),
},
{
text: 'Kelly',
employeeID: 2,
startDate: new Date('2021-06-29T16:30:00.000Z'),
endDate: new Date('2021-06-29T18:30:00.000Z'),
},
];
export const employees = [
{
text: 'John Heart',
id: 1,
color: 'var(--background-color-1)',
avatar: '../../../../images/employees/19.png',
age: 27,
discipline: 'ABS, Fitball, StepFit',
},
{
text: 'Greta Sims',
id: 2,
color: 'var(--background-color-2)',
avatar: '../../../../images/employees/31.png',
age: 25,
discipline: 'ABS, Fitball, StepFit',
},
];
<!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/25.1.6/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="https://cdn.jsdelivr.net/npm/core-js@2.6.12/client/shim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/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>
.dx-scheduler-group-header,
.dx-scheduler-date-table-cell {
position: relative;
}
.dx-scheduler-group-header-content {
padding-left: 8px;
}
.dx-color-scheme-light,
.dx-color-scheme-carmine,
.dx-color-scheme-softblue,
.dx-color-scheme-blue-light,
.dx-color-scheme-saas-light,
.dx-color-scheme-lime-light,
.dx-color-scheme-orange-light,
.dx-color-scheme-purple-light,
.dx-color-scheme-teal-light {
--text-color-1: rgba(0, 0, 0, .6);
--text-color-2: rgba(255, 255, 255, 1);
--disabled-color: rgba(0, 0, 0, 0.38);
--background-color-1: rgba(50, 134, 56, 1);
--background-color-2: rgba(194, 81, 0, 1);
}
.dx-color-scheme-dark,
.dx-color-scheme-darkviolet,
.dx-color-scheme-darkmoon,
.dx-color-scheme-blue-dark,
.dx-color-scheme-saas-dark,
.dx-color-scheme-lime-dark,
.dx-color-scheme-orange-dark,
.dx-color-scheme-purple-dark,
.dx-color-scheme-teal-dark {
--text-color-1: rgba(255, 255, 255, 1);
--text-color-2: rgba(54, 54, 64, 1);
--disabled-color: rgba(255, 255, 255, 0.38);
--background-color-1: rgba(159, 213, 161, 1);
--background-color-2: rgba(255, 181, 127, 1);
}
.dx-scheduler-header .dx-toolbar .dx-button,
.dx-scheduler-header .dx-toolbar .dx-button .dx-icon {
color: var(--text-color-1);
}
.dx-scheduler-date-table-other-month.dx-scheduler-date-table-cell {
opacity: 1;
color: var(--disabled-color) !important;
}
.dx-scheduler-work-space-month .dx-scheduler-date-table-cell {
color: var(--text-color-1);
}
.dx-scheduler-work-space-month .dx-scheduler-appointment,
.dx-scheduler-work-space-month .dx-scheduler-appointment.dx-state-focused {
color: var(--text-color-2);
line-height: 22px;
}
.dx-scheduler-work-space-month .dx-scheduler-appointment .dx-scheduler-appointment-content {
padding-top: 0;
}
.dx-scheduler-date-table-cell .dx-template-wrapper {
position: absolute;
height: 100%;
width: 100%;
padding-right: 6px;
}
.avatar {
width: 124px;
float: left;
overflow: hidden;
position: relative;
height: 124px;
border: 1px solid rgba(0, 0, 0, 0.24);
border-radius: 50%;
background-color: rgba(255, 255, 255, 1);
}
.avatar img {
position: relative;
width: 126px;
height: 130px;
object-fit: contain;
}
.avatar[title="John Heart"] img {
top: 5px;
left: 3px;
}
.avatar[title="Greta Sims"] img {
top: 5px;
left: -7px;
}
.name {
position: absolute;
bottom: 0;
left: 0;
width: 100%;
}
.name h2 {
color: var(--text-color-2);
font-size: 28px;
text-align: left;
padding: 0 0 0 170px;
margin: 0;
height: 40px;
line-height: 40px;
}
.info {
width: auto;
text-align: left;
height: 100%;
font-size: 14px;
line-height: 20px;
font-weight: normal;
padding: 25px 20px 25px 40px;
color: #707070;
}
.dx-color-scheme-contrast .info {
color: #fff;
}
.day-cell {
width: 100%;
height: 100%;
background-position: center center;
background-repeat: no-repeat;
}
.dx-scheduler-appointment {
color: rgba(255, 255, 255, 1);
}
.employee-1 {
background-color: rgba(55, 126, 58, 0.08);
}
.employee-2 {
background-color: rgba(194, 81, 0, 0.08);
}
.employee-weekend-1 {
background-color: rgba(55, 126, 58, 0.12);
}
.employee-weekend-2 {
background-color: rgba(194, 81, 0, 0.12);
}
.training-background-0 {
background-image: url("../../../../images/Scheduler/Overview/icon-abs.png");
}
.training-background-1 {
background-image: url("../../../../images/Scheduler/Overview/icon-step.png");
}
.training-background-2 {
background-image: url("../../../../images/Scheduler/Overview/icon-fitball.png");
}