Angular Calendar - Accessibility

Accessibility Features Overview

NOTE
The overall accessibility level of your application depends on the Calendar features you use.
Accessibility Requirement Support Level
Right-to-Left Support
Keyboard Navigation Support
Screen Reader Support
Contrast Color Theme
Mobile Device Support
Lighthouse Accessibility Validation
Axe Accessibility Validation
WAVE Accessibility Validation
Section 508 Support
WCAG 2.x Support
  • - All component features meet the requirement
  • - Some component features may not meet the requirement
  • - Accessibility requirement is not supported

Accessibility Standards Compliance

The Calendar component complies to all Section 508 and WCAG 2.x standards criteria except the following:

Section 508 criteria WCAG 2.x criteria Exception description
- 1.3.1 Info and Relationships (Level A) Calendar does not pronounce selected range in multiselect mode.
- 4.1.2 Name, Role, Value (Level A) The validation state and error message in Calendar are not pronounced after a value change or when the control is focused.

Keyboard Navigation

A user can use the following keys to interact with the Calendar component:

Key Action
← → ↑ ↓ Moves focus to the day nearby.
Page Up or Ctrl + ← Displays the previous month.
Page Down or Ctrl + → Displays the next month.
Enter Selects the focused day.
Ctrl + ↑ Increases zoomLevel.
Ctrl + ↓ Decreases zoomLevel.
Home Moves focus to the first date in the view.
End Moves focus to the last date in the view.

Use the registerKeyHandler(key, handler) method to implement a custom handler for a key.

TypeScript
  • import { ..., ViewChild, AfterViewInit } from '@angular/core';
  • import { DxCalendarModule, DxCalendarComponent } from 'devextreme-angular';
  • // ...
  • export class AppComponent implements AfterViewInit {
  • @ViewChild(DxCalendarComponent, { static: false }) calendar: DxCalendarComponent;
  • // Prior to Angular 8
  • // @ViewChild(DxCalendarComponent) calendar: DxCalendarComponent;
  •  
  • ngAfterViewInit () {
  • this.calendar.instance.registerKeyHandler('backspace', function(e) {
  • // The argument "e" contains information on the event
  • });
  • this.calendar.instance.registerKeyHandler('space', function(e) {
  • // ...
  • });
  • }
  • }
  • @NgModule({
  • imports: [
  • // ...
  • DxCalendarModule
  • ],
  • // ...
  • })

Screen Reader Support

The Calendar component supports screen readers and complies to WAI-ARIA standards.