Struct Tree 

pub struct Tree { /* private fields */ }

A tree widget for displaying hierarchical data

Implementations

impl Tree

pub fn new() -> Self

Create a new tree widget

pub fn searchable(self, enable: bool) -> Self

Enable search mode for fuzzy filtering

pub fn highlight_fg(self, color: Color) -> Self

Set highlight color for matched characters

pub fn nodes(self, nodes: Vec<TreeNode>) -> Self

Set root nodes

pub fn node(self, node: TreeNode) -> Self

Add a root node

pub fn selected(self, index: usize) -> Self

Set selected index

pub fn fg(self, color: Color) -> Self

Set foreground color

pub fn bg(self, color: Color) -> Self

Set background color

pub fn selected_style(self, fg: Color, bg: Color) -> Self

Set selected colors

pub fn indent(self, indent: u16) -> Self

Set indent width

pub fn selected_index(&self) -> usize

Get selected index

pub fn select_next(&mut self)

Select next visible node

pub fn select_prev(&mut self)

Select previous visible node

pub fn select_first(&mut self)

Select first node

pub fn select_last(&mut self)

Select last visible node

pub fn toggle_expand(&mut self)

Toggle expand/collapse of selected node

pub fn expand(&mut self)

Expand selected node

pub fn collapse(&mut self)

Collapse selected node

pub fn query(&self) -> &str

Get current search query

pub fn set_query(&mut self, query: impl Into<String>)

Set search query and find matches

pub fn clear_query(&mut self)

Clear search query

pub fn is_searchable(&self) -> bool

Check if searchable mode is enabled

pub fn match_count(&self) -> usize

Get number of matches

pub fn current_match_index(&self) -> usize

Get current match index (1-based for display)

pub fn next_match(&mut self) -> bool

Jump to next match

pub fn prev_match(&mut self) -> bool

Jump to previous match

pub fn get_match(&self, label: &str) -> Option<FuzzyMatch>

Get fuzzy match for a label

pub fn is_match(&self, visible_index: usize) -> bool

Check if a visible index is a match

pub fn handle_key(&mut self, key: &Key) -> bool

Handle key input, returns true if selection or expansion changed

pub fn len(&self) -> usize

Get number of root nodes

pub fn is_empty(&self) -> bool

Check if tree is empty

pub fn visible_count(&self) -> usize

Get number of visible nodes

pub fn selected_label(&self) -> Option<&str>

Get selected node label

impl Tree

pub fn element_id(self, id: impl Into<String>) -> Self

Set element ID for CSS selector (#id)

pub fn class(self, class: impl Into<String>) -> Self

Add a CSS class

pub fn classes<I, S>(self, classes: I) -> Self

where I: IntoIterator<Item = S>, S: Into<String>,

Add multiple CSS classes

Trait Implementations

impl Default for Tree

fn default() -> Self

Returns the “default value” for a type.

impl StyledView for Tree

fn set_id(&mut self, id: impl Into<String>)

Set element ID

fn add_class(&mut self, class: impl Into<String>)

Add a CSS class

fn remove_class(&mut self, class: &str)

Remove a CSS class

fn toggle_class(&mut self, class: &str)

Toggle a CSS class

fn has_class(&self, class: &str) -> bool

Check if has class

impl View for Tree

fn id(&self) -> Option<&str>

Get element ID (for CSS #id selectors)

fn classes(&self) -> &[String]

Get CSS classes (for CSS .class selectors)

fn meta(&self) -> WidgetMeta

Get widget metadata for DOM

fn render(&self, ctx: &mut RenderContext<'_>)

Render the view

fn widget_type(&self) -> &'static str

Get widget type name (for CSS type selectors)

fn children(&self) -> &[Box<dyn View>]

Get child views (for container widgets)