Trait TreeUndoExt 

pub trait TreeUndoExt: UndoSupport {
    // Required methods
    fn is_node_expanded(&self, path: &[usize]) -> bool;
    fn expand_node(&mut self, path: &[usize]);
    fn collapse_node(&mut self, path: &[usize]);
}

Extension trait for tree widgets with undo support.

Required Methods

fn is_node_expanded(&self, path: &[usize]) -> bool

Check if a node is expanded.

fn expand_node(&mut self, path: &[usize])

Expand a node.

fn collapse_node(&mut self, path: &[usize])

Collapse a node.

Implementors

impl TreeUndoExt for Tree