Components
Tree
A tree component is a user interface element used to display hierarchical data in a collapsible and expandable tree-like structure, often used for navigation or categorization.
Anatomy
Tree component is a versatile user interface element designed to display hierarchical data in a tree-like structure.
Root Node: The top-level node from which the tree structure begins.
Parent Node: A node that contains child nodes, forming the hierarchy.
Child Node: Nodes that are nested within a parent node.
Expand/Collapse Icons: Icons or buttons that allow users to expand or collapse child nodes.
Usage
The Tree component can be used to display hierarchical data in a variety of contexts, such as:
- File systems
- Product catalogs
- Organizational charts
- Navigation menus
- Breadcrumb trails
When to use
- When you need to display a hierarchical structure of data in a compact and easy-to-navigate way.
- When you need to allow users to expand and collapse nodes to reveal or hide child nodes.
- When you need to allow users to select nodes to take actions on.
When not to use
- When you need to display a limited number of items in a list.
- When you need to display items in a fixed order.
- When you need to allow users to sort or filter the items.
Accessibility
To ensure that the Tree component is accessible to all users, consider the following guidelines:
- Make sure that the tree is keyboard accessible.
- Ensure that screen readers can interpret and announce the tree structure accurately.
- Make sure interactive elements (such as expand/collapse icons or selection indicators) have visible focus indicators for keyboard users.
- Use semantic HTML elements to build the tree structure.
Content
The Tree component can be used to display a variety of content types, such as:
- Text
- Images
- Icons
- Links
- Other components