Struct TreeView 

pub struct TreeView<'a, T> { /* private fields */ }

Available on crate feature tree only.

Tree view widget

Implementations

impl<'a, T> TreeView<'a, T>

pub fn new(nodes: Vec<TreeNode<T>>) -> Self

Create a new tree view with nodes

pub fn block(self, block: Block<'a>) -> Self

Set the block to wrap the tree

pub fn icons(self, expand: &'a str, collapse: &'a str) -> Self

Set custom expand/collapse icons

pub fn render_fn<F>(self, f: F) -> Self

where F: Fn(&T, &NodeState) -> Line<'a> + 'a,

Set the render function for nodes

pub fn highlight_style(self, style: Style) -> Self

Set the highlight style for selected rows (full-width background)

pub fn node_at_row( &self, state: &TreeViewState, row: usize, ) -> Option<Vec<usize>>

Get the node at a specific row (considering scroll offset)

pub fn visible_item_count(&self, state: &TreeViewState) -> usize

Get total visible item count

Trait Implementations

impl<'a, T> StatefulWidget for TreeView<'a, T>

type State = TreeViewState

State associated with the stateful widget.

fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State)

Draws the current state of the widget in the given buffer. That is the only method required to implement a custom stateful widget.

impl<'a, T> Widget for &TreeView<'a, T>

fn render(self, area: Rect, buf: &mut Buffer)

Draws the current state of the widget in the given buffer. That is the only method required to implement a custom widget.