@progress/wct-a11y-spec
Version:
Contains accessibility and keyboard navigation specification of Telerik and Kendo web components.
54 lines (30 loc) • 2.7 kB
Markdown
Out of the box, the {{ site.product }} Sankey provides extensive accessibility support and enables users with disabilities to acquire complete control over its features.
The Sankey is compliant with the [Web Content Accessibility Guidelines (WCAG) 2.2 AA](https://www.w3.org/TR/WCAG22/) standards and [Section 508](https://www.section508.gov/) requirements, follows the [Web Accessibility Initiative - Accessible Rich Internet Applications (WAI-ARIA)](https://www.w3.org/WAI/ARIA/apg/) best practices for implementing the [keyboard navigation](#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.
The Sankey Chart is an interactive Graphics Document (https://www.w3.org/TR/graphics-aria-1.0/#graphics-document). All actions available for mouse users are also available via keyboard shortcuts.
| Selector | Attribute | Usage |
| -------- | --------- | ----- |
| `.k-sankey` | `role=graphics-document` | Indicates that the Sankey element is a Graphics Document. |
| | `aria-roledescription` | User-set value that clarifies the type of Chart to screen reader users. |
| | `aria-label` | Announces the user-set title of the Sankey Chart. |
| `.k-sankey-node` | `role=graphics-symbol` | Specifies the role of the Sankey node elements. |
| | `aria-roledescription=Node` | Describes the role of the Sankey node elements. |
| `.k-sankey-legend-item` | `role=checkbox` | Specifies the role of the legend item element. |
| | `aria-label` | Specifies the name of the node associated with this legend item. |
| | `aria-roledescription=Legend item` | Specifies the name of the node associated with this legend item. |
## Resources
[WAI-ARIA Graphics Module](https://www.w3.org/TR/graphics-aria-1.0/)
[Accessibility Style Guide: SVGs](https://a11y-style-guide.com/style-guide/section-media.html#kssref-media-svgs)
## Section 508
The Sankey is fully compliant with the [Section 508 requirements](http://www.section508.gov/).
## Testing
The Sankey has been extensively tested automatically with [axe-core](https://github.com/dequelabs/axe-core) and manually with the most popular screen readers.
> To report any accessibility issues, contact the team through the [Telerik Support System](https://www.telerik.com/account/support-center).
### Screen Readers
The Sankey has been tested with the following screen readers and browsers combinations:
| Environment | Tool |
| ----------- | ---- |
| Firefox | NVDA |
| Chrome | JAWS |
| Microsoft Edge | JAWS |