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 DataGrid features used.
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Backend API
import React, { useCallback, useState } from 'react';
import ODataStore from 'devextreme/data/odata/store';
import DataGrid, {
Column,
DataGridTypes,
Grouping,
GroupPanel,
Pager,
Paging,
SearchPanel,
} from 'devextreme-react/data-grid';
import DiscountCell from './DiscountCell.tsx';
const pageSizes = [10, 25, 50, 100];
const dataSourceOptions = {
store: new ODataStore({
version: 2,
url: 'https://js.devexpress.com/Demos/SalesViewer/odata/DaySaleDtoes',
key: 'Id',
beforeSend(request) {
const year = new Date().getFullYear() - 1;
request.params.startDate = `${year}-05-10`;
request.params.endDate = `${year}-5-15`;
},
}),
};
const App = () => {
const [collapsed, setCollapsed] = useState(true);
const onContentReady = useCallback((e: DataGridTypes.ContentReadyEvent) => {
if (collapsed) {
e.component.expandRow(['EnviroCare']);
setCollapsed(false);
}
}, [collapsed]);
return (
<DataGrid
dataSource={dataSourceOptions}
allowColumnReordering={true}
rowAlternationEnabled={true}
showBorders={true}
width="100%"
onContentReady={onContentReady}
>
<GroupPanel visible={true} />
<SearchPanel visible={true} highlightCaseSensitive={true} />
<Grouping autoExpandAll={false} />
<Column dataField="Product" groupIndex={0} />
<Column
dataField="Amount"
caption="Sale Amount"
dataType="number"
format="currency"
alignment="right"
/>
<Column
dataField="Discount"
caption="Discount %"
dataType="number"
format="percent"
alignment="right"
allowGrouping={false}
cellRender={DiscountCell}
cssClass="bullet"
/>
<Column dataField="SaleDate" dataType="date" />
<Column dataField="Region" dataType="string" />
<Column dataField="Sector" dataType="string" />
<Column dataField="Channel" dataType="string" />
<Column dataField="Customer" dataType="string" width={150} />
<Pager
visible={true}
allowedPageSizes={pageSizes}
showPageSizeSelector={true}
/>
<Paging defaultPageSize={10} />
</DataGrid>
);
};
export default App;
import React, { useCallback, useState } from 'react';
import ODataStore from 'devextreme/data/odata/store';
import DataGrid, {
Column,
Grouping,
GroupPanel,
Pager,
Paging,
SearchPanel,
} from 'devextreme-react/data-grid';
import DiscountCell from './DiscountCell.js';
const pageSizes = [10, 25, 50, 100];
const dataSourceOptions = {
store: new ODataStore({
version: 2,
url: 'https://js.devexpress.com/Demos/SalesViewer/odata/DaySaleDtoes',
key: 'Id',
beforeSend(request) {
const year = new Date().getFullYear() - 1;
request.params.startDate = `${year}-05-10`;
request.params.endDate = `${year}-5-15`;
},
}),
};
const App = () => {
const [collapsed, setCollapsed] = useState(true);
const onContentReady = useCallback(
(e) => {
if (collapsed) {
e.component.expandRow(['EnviroCare']);
setCollapsed(false);
}
},
[collapsed],
);
return (
<DataGrid
dataSource={dataSourceOptions}
allowColumnReordering={true}
rowAlternationEnabled={true}
showBorders={true}
width="100%"
onContentReady={onContentReady}
>
<GroupPanel visible={true} />
<SearchPanel
visible={true}
highlightCaseSensitive={true}
/>
<Grouping autoExpandAll={false} />
<Column
dataField="Product"
groupIndex={0}
/>
<Column
dataField="Amount"
caption="Sale Amount"
dataType="number"
format="currency"
alignment="right"
/>
<Column
dataField="Discount"
caption="Discount %"
dataType="number"
format="percent"
alignment="right"
allowGrouping={false}
cellRender={DiscountCell}
cssClass="bullet"
/>
<Column
dataField="SaleDate"
dataType="date"
/>
<Column
dataField="Region"
dataType="string"
/>
<Column
dataField="Sector"
dataType="string"
/>
<Column
dataField="Channel"
dataType="string"
/>
<Column
dataField="Customer"
dataType="string"
width={150}
/>
<Pager
visible={true}
allowedPageSizes={pageSizes}
showPageSizeSelector={true}
/>
<Paging defaultPageSize={10} />
</DataGrid>
);
};
export default App;
import React from 'react';
import Bullet, {
Font, Margin, Size, Tooltip,
} from 'devextreme-react/bullet';
import { DataGridTypes } from 'devextreme-react/data-grid';
const customizeTooltip = (data) => ({
text: `${parseInt(data.value, 10)}%`,
});
const DiscountCell = (cellData: DataGridTypes.ColumnCellTemplateData) => (
<Bullet
showTarget={false}
showZeroLevel={true}
value={cellData.value * 100}
startScaleValue={0}
endScaleValue={100}
>
<Size width={150} height={35} />
<Margin top={5} bottom={0} left={5} />
<Tooltip
enabled={true}
paddingTopBottom={2}
zIndex={5}
customizeTooltip={customizeTooltip}
>
<Font size={18} />
</Tooltip>
</Bullet>
);
export default DiscountCell;
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@2.2.13/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 Bullet, {
Font, Margin, Size, Tooltip,
} from 'devextreme-react/bullet';
const customizeTooltip = (data) => ({
text: `${parseInt(data.value, 10)}%`,
});
const DiscountCell = (cellData) => (
<Bullet
showTarget={false}
showZeroLevel={true}
value={cellData.value * 100}
startScaleValue={0}
endScaleValue={100}
>
<Size
width={150}
height={35}
/>
<Margin
top={5}
bottom={0}
left={5}
/>
<Tooltip
enabled={true}
paddingTopBottom={2}
zIndex={5}
customizeTooltip={customizeTooltip}
>
<Font size={18} />
</Tooltip>
</Bullet>
);
export default DiscountCell;
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="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>
.dx-datagrid .dx-data-row > td.bullet {
padding-top: 0;
padding-bottom: 0;
}