cursive_tree/view/
state.rs

1use super::{
2    super::{backend::*, model::*},
3    tree::*,
4};
5
6use cursive::event::*;
7
8impl<BackendT, ContextT, ErrorT, IdT, DataT> TreeView<BackendT, ContextT, ErrorT, IdT, DataT> {
9    /// Toggle branch state.
10    pub fn toggle_branch_state(
11        node: &mut Node<BackendT, ContextT, ErrorT, IdT, DataT>,
12        context: ContextT,
13    ) -> EventResult
14    where
15        BackendT: TreeBackend<ContextT, ErrorT, IdT, DataT>,
16        ContextT: Clone,
17        ErrorT: 'static + Send + Sync,
18    {
19        EventResult::Consumed(match node.toggle_branch_state(context) {
20            Ok(_) => None,
21            Err(error) => Some(Callback::from_fn_once(|cursive| {
22                BackendT::handle_error(cursive, error);
23            })),
24        })
25    }
26
27    /// Expand branch.
28    pub fn expand_branch(node: &mut Node<BackendT, ContextT, ErrorT, IdT, DataT>, context: ContextT) -> EventResult
29    where
30        BackendT: TreeBackend<ContextT, ErrorT, IdT, DataT>,
31        ContextT: Clone,
32        ErrorT: 'static + Send + Sync,
33    {
34        EventResult::Consumed(match node.expand_branch(context) {
35            Ok(_) => None,
36            Err(error) => Some(Callback::from_fn_once(|cursive| {
37                BackendT::handle_error(cursive, error);
38            })),
39        })
40    }
41}
cursive_tree/view/state.rs

cursive_tree/view/
state.rs
