Blazor Gantt Accessibility
The Telerik UI for Blazor Gantt component is WCAG 2.1 AA and Section 508 compliant. The component also follows the WAI-ARIA best practices for implementing the keyboard navigation for its component role, and is tested against the popular screen readers.
Wai-Aria
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
The main inner component in the Gantt is the TreeList.
treelist accessibility specification
Another part of the component is the Splitter component and Wai-Aria support.
splitter accessibility specification
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 compliant with the Section 508 requirements
Testing
The component has been extensively tested automatically with static code analyzers and manually with the most popular screen readers.
Any Accessibility Issues could be reported in Telerik Support System.
Screen Readers
| Environment | Tool |
|---|---|
| Firefox | NVDA |
| Chrome | JAWS |
| Microsoft Edge | JAWS |