spec 1 linked patterns checked
WAI-ARIA APG: Treegrid Pattern
Defines treegrid as a hierarchical data grid with expandable and collapsible parent rows, focusable rows and cells, focus versus selection distinction, row-first and cell-first keyboard navigation, expansion with Right and Left Arrow or Enter, selection shortcuts, row and cell roles, aria-expanded placement, aria-selected, aria-sort, aria-readonly, row and column counts, and row or column indices.
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Use this source to check a technical or accessibility requirement against its exact wording and scope.
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Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Tree grid | Choose tree grid when hierarchical rows and tabular columns are both essential to the task. | The first column or row header communicates the hierarchical object name, level, expansion state, and parent-child relationship. | APG treegrid guidance supports the hierarchy-plus-grid boundary, keyboard navigation, focus and selection distinction, roles, expansion state, sort, readonly, and dynamic index requirements. |
Evidence Role
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Publisher: W3C Web Accessibility Initiative. Last checked: .