Struct TreeViewProps 

pub struct TreeViewProps<'a, Id, T, A>
where
    Id: Clone + Eq + Hash + 'static,
{
    pub nodes: &'a [TreeNode<Id, T>],
    pub selected_id: Option<&'a Id>,
    pub expanded_ids: &'a HashSet<Id>,
    pub is_focused: bool,
    pub style: TreeViewStyle,
    pub behavior: TreeViewBehavior,
    pub measure_node: Option<&'a dyn Fn(&TreeNode<Id, T>) -> usize>,
    pub column_padding: usize,
    pub on_select: fn(&Id) -> A,
    pub on_toggle: fn(&Id, bool) -> A,
    pub render_node: &'a dyn Fn(TreeNodeRender<'_, Id, T>) -> Line<'static>,
}

Props for TreeView component

Fields

nodes: &'a [TreeNode<Id, T>]

Nodes to render

selected_id: Option<&'a Id>

Currently selected node id

expanded_ids: &'a HashSet<Id>

Expanded node ids

is_focused: bool

Whether this component has focus

style: TreeViewStyle

Unified styling

behavior: TreeViewBehavior

Behavior configuration

measure_node: Option<&'a dyn Fn(&TreeNode<Id, T>) -> usize>

Optional width override for column sizing

column_padding: usize

Padding to add to the widest tree column

on_select: fn(&Id) -> A

Callback to create action when selection changes

on_toggle: fn(&Id, bool) -> A

Callback to create action when expansion changes

render_node: &'a dyn Fn(TreeNodeRender<'_, Id, T>) -> Line<'static>

Render a node into a Line