@progress/wct-a11y-spec/dist/angular/aria/gantt_aria.md

Contains accessibility and keyboard navigation specification of Telerik and Kendo web components.

Out of the box, the Kendo UI for Angular Gantt provides extensive accessibility support and enables users with disabilities to acquire complete control over its features.


The Gantt 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 Gantt component is a composite component that is used to represent project planning.

| Selector | Attribute | Usage |
| -------- | --------- | ----- |
| `.k-gantt` | `role=application` | Indicates the Gantt's role as an application. |


The Gantt component integrates the toolbar component and follows its wai-aria support.

[ToolBar accessibility specification]({{toolbar_a11y_link}})


The main inner component in the Gantt is the TreeList.

[TreeList accessibility specification]({{treelist_a11y_link}})


Another part of the component is the Splitter component and Wai-Aria support.

[Splitter accessibility specification]({{splitter_a11y_link}})


The following Wai-Aria support is implemented in the TimeLine of the Gantt.

| Selector | Attribute | Usage |
| -------- | --------- | ----- |
| `.k-gantt-timeline .k-grid-content` | `role=tree` | Associates the role of the timeline as a tree. |
| `.k-gantt-timeline .k-gantt-rows` | `role=presentation` | Used to build the accessibility tree. |
| `.k-gantt-timeline .k-gantt-columns` | `role=presentation` | Used to build the accessibility tree. |
| `.k-gantt-timeline .k-gantt-tasks` | `role=presentation` | Used to build the accessibility tasks. |
| `.k-gantt-timeline .k-task` | `role=treeitem` | Associates the role of the timeline task as a tree item. |
|  | `aria-level` | Specifies the level of the task. |
|  | `aria-describedby=.k-tooltip id` | Gives more details for the task through its tooltip. |
| `.k-gantt-timeline .k-task .k-task-complete` | `aria-hidden=true` | Hides the status element from the task. |
| `.k-gantt-timeline .k-task .k-task-actions` | `aria-hidden=true` | Hides the actions element from the task. |

## Section 508


The Gantt is fully compliant with the [Section 508 requirements](http://www.section508.gov/).

## Testing


The Gantt 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 Gantt has been tested with the following screen readers and browsers combinations:

| Environment | Tool |
| ----------- | ---- |
| Firefox | NVDA |
| Chrome | JAWS |
| Microsoft Edge | JAWS |