@microsoft/fast-foundation > TreeItem
TreeItem class
A Tree item Custom HTML Element.
start - Content which can be provided before the tree item content
end - Content which can be provided after the tree item content
- The default slot for tree item text content
item - The slot for tree items (fast tree items manage this assignment themselves)
expand-collapse-button - The expand/collapse button
positioning-region - The element used to position the tree item content with exception of any child nodes
content-region - The element containing the expand/collapse, start, and end slots
items - The element wrapping any child items
expand-collapse-button - The expand/collapse button
expanded-change - Fires a custom 'expanded-change' event when the expanded state changes
selected-change - Fires a custom 'selected-change' event when the selected state changes
Signature:export declare class TreeItem extends FoundationElement
Properties
| Property | Modifiers | Type | Description |
|---|---|---|---|
| disabled | boolean | When true, the control will be immutable by user interaction. See disabled HTML attribute for more information. | |
| expanded | boolean | When true, the control will be appear expanded by user interaction. | |
| isNestedItem | () => boolean | Whether the tree is nested | |
| selected | boolean | When true, the control will appear selected by user interaction. |
Methods
| Method | Modifiers | Description |
|---|---|---|
| focusItem(el) | static | Places document focus on a tree item |