Tree
<Tree>
Used to show a tree-structured data.
Import
import { Tree } from 'rsuite';
Examples
Basic
Show Indent Lines
Draggable
Async
Props
<Tree>
Property | Type (Default) |
Description |
---|---|---|
childrenKey | string ('children') |
Tree data structure Children property name |
classPrefix | string('picker') |
The prefix of the component CSS class |
data * | ItemDataType[] | Tree Data |
defaultExpandAll | boolean | Expand all nodes By default |
defaultExpandItemValues | string[] | Set the value of the default expanded node |
defaultValue | string | Default selected Value |
disabledItemValues | string[] | Disable item by value |
draggable | boolean | Setting drag node |
expandItemValues | string[] | Set the value of the expanded node (controlled) |
getChildren | (item: ItemDataType) => Promise<ItemDataType > | load node children data asynchronously |
height | number (360px) |
Height of tree. When virtualize is true, you can set the height of tree |
labelKey | string ('label') |
Tree data structure Label property name |
listProps | ListProps | Properties of virtualized lists. |
onChange | (value:string) => void | Callback function for data change |
onDragEnd | (item: ItemDataType, event) => void | Called when node drag end |
onDragEnter | (item: ItemDataType, event) => void | Called when node drag enter |
onDragLeave | (item: ItemDataType, event) => void | Called when node drag leave |
onDragOver | (item: ItemDataType, event) => void | Called when node drag over |
onDragStart | (item: ItemDataType, event) => void | Called when node drag start |
onDrop | (dropData: [DropDataType][drop], event) => void | Called when node drop |
onExpand | (expandItemValues: string[], item: ItemDataType, concat:(data, children) => Array) => void | Callback When tree node is displayed |
onSelect | (item:ItemDataType, value, event) => void | Callback function after selecting tree node |
renderTreeIcon | (item: ItemDataType) => ReactNode | Custom Render icon |
renderTreeNode | (item: ItemDataType) => ReactNode | Custom Render tree Node |
searchKeyword | string | searchKeyword (Controlled) |
showIndentLine | boolean | Whether to show indent line |
value | string | Selected value |
valueKey | string ('value') |
Tree data Structure Value property name |
virtualized | boolean | Whether using Virtualized List |
ts:ItemDataType
interface ItemDataType<V> {
/** The value of the option corresponds to the `valueKey` in the data. **/
value: V;
/** The content displayed by the option corresponds to the `labelKey` in the data. **/
label: ReactNode;
/**
* The data of the child option corresponds to the `childrenKey` in the data.
* Properties owned by tree structure components, such as TreePicker, Cascader.
*/
children?: ItemDataType<V>[];
/**
* Properties of grouping functional components, such as CheckPicker, InputPicker
*/
groupBy?: string;
/**
* The children under the current node are loading.
* Used for components that have cascading relationships and lazy loading of children. E.g. Cascader, MultiCascader
*/
loading?: boolean;
}
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;
}
ts:DropDataType
type DropDataType = {
/** drag node data */
dragNode: any;
/** dropNode data */
dropNode: any;
/** node drop position */
dropNodePosition: TREE_NODE_DROP_POSITION;
/** Update Data when drop node */
createUpdateDataFunction: (data: any[]) => any[];
};
enum TREE_NODE_DROP_POSITION {
DRAG_OVER = 0, // drag node in tree node
DRAG_OVER_TOP = 1, // drag node on tree node
DRAG_OVER_BOTTOM = 2 // drag node under tree node
}
Related components
<CheckTree>
Selector component, which supports a Checkbox on the TreePicker node for multiple selections.<TreePicker>
Used to show a tree-structured data.<CheckTreePicker>
Used to show a tree-structured data while supporting Checkbox selection.