CheckTree
<CheckTree>
is used to display a tree structure data and supports Checkbox selection.
Import
import { CheckTree } from 'rsuite';
Examples
Basic
Cascade
The cascade attribute can set whether or not CheckTree can consider the cascade relationship of the parent parent when selecting. The default value is true.
Show Indent Lines
Custom Tree Node
Virtualized
Asynchronous Loading of Child Nodes
Searchable
Uncheckable Tree Node
Disabled Tree Node
Accessibility
ARIA properties
tree
- CheckTree has role
tree
. - CheckTree has the
aria-multiselectable=true
attribute to indicate that the tree is multi-selectable.
treeitem
- CheckTree node has role
treeitem
. - Has the
aria-expanded
attribute to indicate whether the tree is open or not. - Has the
aria-checked
attribute to indicate whether the tree node is checked or not. - Has the
aria-level
attribute to indicate the level of the tree node. - Has the
aria-disabled
attribute to indicate whether the tree node is disabled or not.
Keyboard interactions
- โ - Move focus to the next tree node.
- โ - Move focus to the previous tree node.
- โ - Expand the focused tree node if it is collapsed.
- โ - Collapse the focused tree node if it is expanded.
- Enter - Select the focused tree node.
Props
<CheckTree>
Property | Type (Default) |
Description |
---|---|---|
cascade | boolean (true) |
Whether to enable cascade selection |
childrenKey | string ('children') |
Set the key of the child node of the tree node in data |
data * | TreeNode[] | Data to render the tree |
defaultExpandAll | boolean | Default expand all nodes |
defaultExpandItemValues | string[] | Set the value of the default expanded node |
defaultValue | string[] | Default selected Value |
disabledItemValues | string[] | Disabled tree node values |
expandItemValues | string[] | Set the value of the expanded node (controlled) |
getChildren | (item: TreeNode) => Promise<TreeNode> | Load node children data asynchronously |
height | number (360px) |
The height of the tree |
labelKey | string ('label') |
Set the tree node display content to the key in data |
listProps | ListProps | Properties of virtualized lists |
onChange | (values:string[]) => void | Called when the tree value changes |
onExpand | (expandItemValues: string[], item: TreeNode, concat:(data, children) => Array) => void | Called when the tree node expands the child node |
onSearch | (keyword: string) => void | Called when the search box changes |
onSelect | (item: TreeNode, value:string, event) => void | Called when the tree node is selected |
renderTreeIcon | (item: TreeNode, expanded: boolean) => ReactNode | Custom render the icon in tree node |
renderTreeNode | (item: TreeNode) => ReactNode | Custom render tree node |
searchable | boolean | Whether to show the search box |
searchKeyword | string | Set search keywords for the search box |
uncheckableItemValues | string[] | Set the tree node values that do not display checkboxes |
value | string[] | The value of the selected tree node |
valueKey | string ('value') |
Set the key of the tree node value in data |
virtualized | boolean | Whether to enable virtualized lists |
ts:TreeNode
interface TreeNode {
/** The value of the option corresponds to the `valueKey` in the data. **/
value: string | number;
/** The content displayed by the option corresponds to the `labelKey` in the data. **/
label: React.ReactNode;
/** The data of the child option corresponds to the `childrenKey` in the data. */
children?: TreeNode[];
}
ts:ListProps
interface ListProps {
/**
* Size of a item in the direction being windowed.
*/
itemSize?: number | ((index: number) => number);
/**
* Scroll offset for initial render.
*/
initialScrollOffset?: number;
/**
* Called when the items rendered by the list change.
*/
onItemsRendered?: (props: ListOnItemsRenderedProps) => void;
/**
* Called when the list scroll positions changes, as a result of user scrolling or scroll-to method calls.
*/
onScroll?: (props: ListOnScrollProps) => void;
}