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TreeView API

The API documentation of the TreeView React component. Learn more about the properties and the CSS customization points.

import TreeView from '@material-ui/lab/TreeView';

Props

Name Type Default Description
children node The content of the component.
classes object Override or extend the styles applied to the component. See CSS API below for more details.
defaultCollapseIcon node The default icon used to collapse the node.
defaultEndIcon node The default icon displayed next to a end node. This is applied to all tree nodes and can be overridden by the TreeItem icon prop.
defaultExpanded arrayOf [] Expanded node ids.
defaultExpandIcon node The default icon used to expand the node.
defaultParentIcon node The default icon displayed next to a parent node. This is applied to all parent nodes and can be overridden by the TreeItem icon prop.
onNodeToggle func Callback fired when a TreeItem is expanded/collapsed.

Signature:
function(nodeId: string, expanded: boolean) => void
nodeId: The id of the toggled node.
expanded: The node status - If true the node was expanded. If false the node was collapsed.

The ref is forwarded to the root element.

Any other properties supplied will be provided to the root element (native element).

CSS

You can override all the class names injected by Material-UI thanks to the classes prop. This prop accepts the following keys:

Name Description
root Styles applied to the root component.

Have a look at the overriding styles with classes section and the implementation of the component for more detail.

If using the overrides key of the theme, you need to use the following style sheet name: MuiTreeView.

Notes

The component can cause issues in StrictMode.

Demos