on_tree_node_expanded

Mountain::Environment::TreeViewProvider::Events

Function on_tree_node_expanded 

Source 
pub(super) async fn on_tree_node_expanded(
    env: &MountainEnvironment,
    view_identifier: String,
    element_handle: String,
    is_expanded: bool,
) -> Result<(), CommonError>
Expand description

Handles tree node expansion/collapse events. Called when a user expands or collapses a node in the tree view.