TimeDurationPicker Accessibility
Out of the box, the Telerik UI for ASP.NET MVC TimeDurationPicker provides extensive accessibility support and enables users with disabilities to acquire complete control over its features.
The TimeDurationPicker is compliant with the Web Content Accessibility Guidelines (WCAG) 2.2 AA standards and Section 508 requirements, follows the Web Accessibility Initiative - Accessible Rich Internet Applications (WAI-ARIA) best practices for implementing the keyboard navigation for its component role, provides options for managing its focus and is tested against the most popular screen readers.
WAI-ARIA
This section lists the selectors, attributes, and behavior patterns supported by the component and its composite elements, if any.
TimeDurationPicker Wrapping Element
| Selector | Attribute | Usage |
|---|---|---|
.k-input-inner | role=combobox | The input element must follow the combobox specification. |
label for or aria-label or aria-labelledby | An accessible name must be assigned to the input. | |
aria-expanded=true/false | Announces whether the Popup is visible or not. | |
aria-haspopup=dialog | Indicates the component has a Dialog Popup | |
aria-controls=.k-popup id | Points to the popup element. Signifies that the combobox element controls the dialog popup. | |
readonly or aria-readonly | The attribute is rendered only when the DatePicker is readonly. | |
.k-invalid .k-input-inner,.ng-invalid .k-input-inner | aria-invalid=true | An attribute is rendered only when the picker is in form and announces the valid state of the component. |
.k-disabled .k-input-inner | disabled=disabled or aria-disabled=true | An attribute is rendered only when the DatePicker is disabled. |
.k-input-button | aria-hidden=true | The button element must be hidden from the assistive technologies. |
tabindex=-1 | The button element must not be focusable. | |
k-timedurationpicker.k-disabled .k-button | disabled or aria-disabled=true | An attribute is rendered only when the picker is disabled. |
List Elements in the Popup
| Selector | Attribute | Usage |
|---|---|---|
.k-time-list | role=listbox | The timelist elements must have a listbox role assigned. |
aria-label or aria-labelledby | An accessible name must be assigned to the listbox. | |
.k-time-list .k-reset | role=none/presentation | The k-rest <ul> element's semantic meaning must be removed from the accessibility tree. |
.k-time-list .k-item | role=option | The available options in the listbox must be marked as such. |
aria-selected=true/false | The selected option must have its aria-selected attribute set to true. |
Adaptive Mode
When the component is in adaptive mode, the popup element follows the specifications of the ActionSheet component.
ActionSheet accessibility specification
Resources
WAI-ARIA specification for combobox
WAI-ARIA specification for listbox
Section 508
The TimeDurationPicker is fully compliant with the Section 508 requirements.
Testing
The TimeDurationPicker has been extensively tested automatically with axe-core and manually with the most popular screen readers.
To report any accessibility issues, contact the team through the Telerik Support System.
Screen Readers
The TimeDurationPicker has been tested with the following screen readers and browsers combinations:
| Environment | Tool |
|---|---|
| Firefox | NVDA |
| Chrome | JAWS |
| Microsoft Edge | JAWS |
Test Example
To test the TimeDurationPicker component, refer to the TimeDurationPicker Accessibility Demo.
Keyboard Navigation
For details on how the TimeDurationPicker keyboard navigation works, refer to the TimeDurationPicker Keyboard Navigation article.