Simple Tree View - Customization

Learn how to customize the Simple Tree View component.

Basics

Custom icons

Use the collapseIcon slot, the expandIcon slot and the defaultEndIcon prop to customize the Tree View icons. The demo below shows how to add icons using both an existing icon library, such as Material Icons, and creating an icon from scratch using Material UI's SVG Icon component.

Custom toggle animations

Use the groupTransition slot on the TreeItem to pass a component that handles your animation.

The demo below is animated using Material UI's Collapse component together with the react-spring library.

Custom styling

Use treeItemClasses to target internal elements of the Tree Item component and change their styles.

Custom label

Use the label slot to customize the Tree Item label or to replace it with a custom component.

The slotProps prop allows you to pass props to the label component. The demo below shows how to pass an id attribute to the Tree Item label:

The slots prop allows you to replace the default label with your own component: The demo below shows how to add a tooltip on the Tree Item label:

Headless API

Use the useTreeItem2 hook to create your own component. The demo below shows how to add an avatar and custom typography elements.

Common examples

Connection border

Target the treeItemClasses.groupTransition class to add connection borders between the Tree View items.

Limit expansion to icon container

The demo below shows how to trigger the expansion interaction just by clicking on the icon container instead of the whole Tree Item surface.

Gmail clone

Google's Gmail side nav is potentially one of the web's most famous tree view components. The demo below shows how to replicate it.

The Gmail sidebar is one of the most well known examples of a tree view. The demo below shows how to recreate it with the Tree View component:

API

See the documentation below for a complete reference to all of the props and classes available to the components mentioned here.

• <SimpleTreeView />
• <TreeItem />
• <TreeItem2 />