Struct TreeViewState 

pub struct TreeViewState {
    pub open_folders: Vec<String>,
    pub selected: Option<String>,
}

Persistent state for the tree: which folders are open and which file is selected. Keep this in your application struct.

Fields

open_folders: Vec<String>

Set of folder paths (joined with /) that are currently expanded.

selected: Option<String>

Path to the currently-selected file, if any.

Implementations

impl TreeViewState

pub fn new() -> Self

pub fn with_open(paths: Vec<String>) -> Self

Create state with all folders matching paths expanded.

pub fn is_open(&self, path: &str) -> bool

pub fn toggle_folder(&mut self, path: &str)

pub fn open_folder(&mut self, path: &str)

pub fn select(&mut self, path: &str)

pub fn is_selected(&self, path: &str) -> bool

pub fn expand_all(nodes: &[TreeNode]) -> Self

Expand all folders in the tree.

Trait Implementations

impl Clone for TreeViewState

fn clone(&self) -> TreeViewState

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TreeViewState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for TreeViewState

fn default() -> TreeViewState

Returns the “default value” for a type.