Struct TreeNavigator 

pub struct TreeNavigator {
    pub keybindings: TreeKeyBindings,
}

Available on crate feature tree only.

Tree navigator with configurable keybindings

Fields

keybindings: TreeKeyBindings

Implementations

impl TreeNavigator

pub fn new() -> Self

Create a new tree navigator with default keybindings

pub fn with_keybindings(keybindings: TreeKeyBindings) -> Self

Create a tree navigator with custom keybindings

pub fn get_hotkey_items(&self) -> Vec<(String, &'static str)>

Get hotkey items for display in HotkeyFooter Returns a vec of (key_display, description) pairs

pub fn handle_key<T>( &self, key: KeyEvent, nodes: &[TreeNode<T>], state: &mut TreeViewState, ) -> bool

Handle a key event and update tree state Returns true if the key was handled

pub fn select_next<T>(&self, nodes: &[TreeNode<T>], state: &mut TreeViewState)

Select next visible item

pub fn select_previous<T>( &self, nodes: &[TreeNode<T>], state: &mut TreeViewState, )

Select previous visible item

pub fn goto_top<T>(&self, nodes: &[TreeNode<T>], state: &mut TreeViewState)

Go to first visible item

pub fn goto_bottom<T>(&self, nodes: &[TreeNode<T>], state: &mut TreeViewState)

Go to last visible item

pub fn expand_selected<T>( &self, nodes: &[TreeNode<T>], state: &mut TreeViewState, )

Expand selected node

pub fn collapse_selected<T>( &self, _nodes: &[TreeNode<T>], state: &mut TreeViewState, )

Collapse selected node or move to parent

pub fn toggle_selected<T>( &self, nodes: &[TreeNode<T>], state: &mut TreeViewState, )

Toggle expansion of selected node (expand if collapsed, collapse if expanded)

Trait Implementations

impl Clone for TreeNavigator

fn clone(&self) -> TreeNavigator

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Default for TreeNavigator

fn default() -> Self

Returns the “default value” for a type.