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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Backend API
<dx-chart
id="chart"
[dataSource]="dataSource"
title="Pizza Shop Complaints"
palette="Harmony Light"
>
<dxi-value-axis name="frequency" position="left" [tickInterval]="300">
</dxi-value-axis>
<dxi-value-axis
name="percentage"
position="right"
[showZero]="true"
[tickInterval]="20"
[valueMarginsEnabled]="false"
>
<dxo-label [customizeText]="customizeLabelText"></dxo-label>
<dxi-constant-line
[value]="80"
color="#fc3535"
dashStyle="dash"
[width]="2"
>
<dxo-label [visible]="false"></dxo-label>
</dxi-constant-line>
</dxi-value-axis>
<dxo-argument-axis>
<dxo-label overlappingBehavior="stagger"></dxo-label>
</dxo-argument-axis>
<dxo-tooltip
[enabled]="true"
[shared]="true"
[customizeTooltip]="customizeTooltip"
>
</dxo-tooltip>
<dxo-common-series-settings argumentField="complaint">
</dxo-common-series-settings>
<dxi-series
type="bar"
valueField="count"
axis="frequency"
name="Complaint frequency"
color="#fac29a"
>
</dxi-series>
<dxi-series
type="spline"
valueField="cumulativePercent"
axis="percentage"
name="Cumulative percentage"
color="#6b71c3"
>
</dxi-series>
<dxo-legend verticalAlignment="top" horizontalAlignment="center">
</dxo-legend>
</dx-chart>
import { NgModule, Component, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxChartModule, DxChartTypes } from 'devextreme-angular/ui/chart';
import { Service, ComplaintsWithPercent } from './app.service';
if (!/localhost/.test(document.location.host)) {
enableProdMode();
}
@Component({
selector: 'demo-app',
providers: [Service],
templateUrl: `app/app.component.html`,
styleUrls: [`app/app.component.css`],
})
export class AppComponent {
dataSource: ComplaintsWithPercent[];
constructor(service: Service) {
this.dataSource = service.getComplaintsData();
}
customizeTooltip = ({ points, argumentText }) => ({
html: `<div><div class='tooltip-header'>${
argumentText}</div>`
+ '<div class=\'tooltip-body\'><div class=\'series-name\'>'
+ `<span class='top-series-name'>${points[0].seriesName}</span>`
+ ': </div><div class=\'value-text\'>'
+ `<span class='top-series-value'>${points[0].valueText}</span>`
+ '</div><div class=\'series-name\'>'
+ `<span class='bottom-series-name'>${points[1].seriesName}</span>`
+ ': </div><div class=\'value-text\'>'
+ `<span class='bottom-series-value'>${points[1].valueText}</span>`
+ '% </div></div></div>',
});
customizeLabelText: DxChartTypes.ValueAxisLabel['customizeText'] = ({ valueText }) => `${valueText}%`;
}
@NgModule({
imports: [
BrowserModule,
DxChartModule,
],
declarations: [AppComponent],
bootstrap: [AppComponent],
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep #chart {
height: 440px;
}
::ng-deep .tooltip-header {
margin-bottom: 5px;
font-size: 16px;
font-weight: 500;
padding-bottom: 5px;
border-bottom: 1px solid #c5c5c5;
}
::ng-deep .tooltip-body {
width: 170px;
}
::ng-deep .tooltip-body .series-name {
font-weight: normal;
opacity: 0.6;
display: inline-block;
line-height: 1.5;
padding-right: 10px;
width: 126px;
}
::ng-deep .tooltip-body .value-text {
display: inline-block;
line-height: 1.5;
width: 30px;
}
import { Injectable } from '@angular/core';
class Complaints {
complaint: string;
count: number;
}
export class ComplaintsWithPercent {
complaint: string;
count: number;
cumulativePercent: number;
}
const complaintsData: Complaints[] = [
{ complaint: 'Cold pizza', count: 780 },
{ complaint: 'Not enough cheese', count: 120 },
{ complaint: 'Underbaked or Overbaked', count: 52 },
{ complaint: 'Delayed delivery', count: 1123 },
{ complaint: 'Damaged pizza', count: 321 },
{ complaint: 'Incorrect billing', count: 89 },
{ complaint: 'Wrong size delivered', count: 222 },
];
@Injectable()
export class Service {
getComplaintsData(): ComplaintsWithPercent[] {
const data = complaintsData.sort((a, b) => b.count - a.count);
const totalCount = data.reduce((prevValue, item) => prevValue + item.count, 0);
let cumulativeCount = 0;
return data.map((item, index) => {
cumulativeCount += item.count;
return {
complaint: item.complaint,
count: item.count,
cumulativePercent: Math.round(cumulativeCount * 100 / totalCount),
};
});
}
}
// In real applications, you should not transpile code in the browser.
// You can see how to create your own application with Angular and DevExtreme here:
// https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/
const componentNames = [
'accordion',
'action-sheet',
'autocomplete',
'bar-gauge',
'box',
'bullet',
'button-group',
'button',
'calendar',
'chart',
'check-box',
'circular-gauge',
'color-box',
'context-menu',
'data-grid',
'date-box',
'date-range-box',
'defer-rendering',
'diagram',
'draggable',
'drawer',
'drop-down-box',
'drop-down-button',
'file-manager',
'file-uploader',
'filter-builder',
'form',
'funnel',
'gallery',
'gantt',
'html-editor',
'linear-gauge',
'list',
'load-indicator',
'load-panel',
'lookup',
'map',
'menu',
'multi-view',
'nested',
'number-box',
'pie-chart',
'pivot-grid-field-chooser',
'pivot-grid',
'polar-chart',
'popover',
'popup',
'progress-bar',
'radio-group',
'range-selector',
'range-slider',
'recurrence-editor',
'resizable',
'responsive-box',
'sankey',
'scheduler',
'scroll-view',
'select-box',
'slider',
'sortable',
'sparkline',
'speed-dial-action',
'splitter',
'switch',
'tab-panel',
'tabs',
'tag-box',
'text-area',
'text-box',
'tile-view',
'toast',
'toolbar',
'tooltip',
'tree-list',
'tree-map',
'tree-view',
'validation-group',
'validation-summary',
'validator',
'vector-map',
];
window.exports = window.exports || {};
window.config = {
transpiler: 'ts',
typescriptOptions: {
module: 'system',
emitDecoratorMetadata: true,
experimentalDecorators: true,
},
meta: {
'typescript': {
'exports': 'ts',
},
'devextreme/time_zone_utils.js': {
'esModule': true,
},
'devextreme/localization.js': {
'esModule': true,
},
'devextreme/viz/palette.js': {
'esModule': true,
},
'@angular/platform-browser-dynamic': {
'esModule': true,
},
'@angular/platform-browser': {
'esModule': true,
},
'@angular/core': {
'esModule': true,
},
'@angular/common': {
'esModule': true,
},
'@angular/common/http': {
'esModule': true,
},
'@angular/compiler': {
'esModule': true,
},
'@angular/animations': {
'esModule': true,
},
'@angular/forms': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
'bundles:': '../../../../bundles/',
},
map: {
'ts': 'npm:plugin-typescript@4.2.4/lib/plugin.js',
'typescript': 'npm:typescript@4.2.4/lib/typescript.js',
/* @angular */
'@angular/compiler': 'bundles:@angular/compiler.umd.js',
'@angular/platform-browser-dynamic': 'bundles:@angular/platform-browser-dynamic.umd.js',
'@angular/core': 'bundles:@angular/core.umd.js',
'@angular/core/primitives/signals': 'bundles:@angular/core.primitives.signals.umd.js',
'@angular/common': 'bundles:@angular/common.umd.js',
'@angular/common/http': 'bundles:@angular/common-http.umd.js',
'@angular/platform-browser': 'bundles:@angular/platform-browser.umd.js',
'@angular/platform-browser/animations': 'bundles:@angular/platform-browser.umd.js',
'@angular/forms': 'bundles:@angular/forms.umd.js',
/* devextreme */
'devextreme': 'npm:devextreme@24.1.7/cjs',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.13',
'devextreme/bundles/dx.all': 'npm:devextreme@24.1.7/bundles/dx.all.js',
'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.12',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.56',
/* devextreme-angular umd maps */
'devextreme-angular': 'bundles:devextreme-angular/devextreme-angular.umd.js',
'devextreme-angular/core': 'bundles:devextreme-angular/devextreme-angular-core.umd.js',
'devextreme-angular/http': 'bundles:devextreme-angular/devextreme-angular-http.umd.js',
...componentNames.reduce((acc, name) => {
acc[`devextreme-angular/ui/${name}`] = `bundles:devextreme-angular/devextreme-angular-ui-${name}.umd.js`;
return acc;
}, {}),
'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js',
'tslib': 'npm:tslib@2.6.1/tslib.js',
'rxjs': 'npm:rxjs@7.5.3/dist/bundles/rxjs.umd.js',
'rxjs/operators': 'npm:rxjs@7.5.3/dist/cjs/operators/index.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',
'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',
// Prettier
'prettier/standalone': 'npm:prettier@2.8.8/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js',
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts',
},
'devextreme': {
defaultExtension: 'js',
},
'devextreme/events/utils': {
main: 'index',
},
'devextreme/events': {
main: 'index',
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js',
},
'rxjs': {
defaultExtension: 'js',
},
'rxjs/operators': {
defaultExtension: 'js',
},
},
packageConfigPaths: [
'npm:@devextreme/*/package.json',
'npm:@devextreme/runtime@3.0.13/inferno/package.json',
'npm:rxjs@7.5.3/package.json',
'npm:rxjs@7.5.3/operators/package.json',
'npm:devexpress-diagram@2.2.12/package.json',
'npm:devexpress-gantt@4.1.56/package.json',
],
};
System.config(window.config);
// System.import('@angular/compiler').catch(console.error.bind(console));
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" 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" />
<script src="https://unpkg.com/core-js@2.6.12/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.13.3/bundles/zone.umd.min.js"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.13/Reflect.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script src="config.js"></script>
<script>
System.import("app").catch(console.error.bind(console));
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<demo-app>Loading...</demo-app>
</div>
</body>
</html>
NOTE
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