99 lines
2.6 KiB
Rust
99 lines
2.6 KiB
Rust
mod util;
|
|
|
|
use crate::util::{
|
|
event::{Event, Events},
|
|
StatefulTree,
|
|
};
|
|
use std::{error::Error, io};
|
|
use termion::{event::Key, input::MouseTerminal, raw::IntoRawMode, screen::AlternateScreen};
|
|
use tui::{
|
|
backend::TermionBackend,
|
|
style::{Color, Modifier, Style},
|
|
widgets::{Block, Borders},
|
|
Terminal,
|
|
};
|
|
|
|
use tui_tree_widget::{Tree, TreeItem};
|
|
|
|
struct App<'a> {
|
|
tree: StatefulTree<'a>,
|
|
}
|
|
|
|
impl<'a> App<'a> {
|
|
fn new() -> Self {
|
|
Self {
|
|
tree: StatefulTree::with_items(vec![
|
|
TreeItem::new_leaf("a"),
|
|
TreeItem::new(
|
|
"b",
|
|
vec![
|
|
TreeItem::new_leaf("c"),
|
|
TreeItem::new("d", vec![TreeItem::new_leaf("e"), TreeItem::new_leaf("f")]),
|
|
TreeItem::new_leaf("g"),
|
|
],
|
|
),
|
|
TreeItem::new_leaf("h"),
|
|
]),
|
|
}
|
|
}
|
|
}
|
|
|
|
fn main() -> Result<(), Box<dyn Error>> {
|
|
// Terminal initialization
|
|
let stdout = io::stdout().into_raw_mode()?;
|
|
let stdout = MouseTerminal::from(stdout);
|
|
let stdout = AlternateScreen::from(stdout);
|
|
let backend = TermionBackend::new(stdout);
|
|
let mut terminal = Terminal::new(backend)?;
|
|
|
|
let events = Events::new();
|
|
|
|
// App
|
|
let mut app = App::new();
|
|
|
|
loop {
|
|
terminal.draw(|f| {
|
|
let area = f.size();
|
|
|
|
let items = Tree::new(app.tree.items.to_vec())
|
|
.block(
|
|
Block::default()
|
|
.borders(Borders::ALL)
|
|
.title(format!("Tree Widget {:?}", app.tree.state)),
|
|
)
|
|
.highlight_style(
|
|
Style::default()
|
|
.fg(Color::Black)
|
|
.bg(Color::LightGreen)
|
|
.add_modifier(Modifier::BOLD),
|
|
)
|
|
.highlight_symbol(">> ");
|
|
f.render_stateful_widget(items, area, &mut app.tree.state);
|
|
})?;
|
|
|
|
match events.next()? {
|
|
Event::Input(input) => match input {
|
|
Key::Char('q') => {
|
|
break;
|
|
}
|
|
Key::Left => {
|
|
app.tree.close();
|
|
}
|
|
Key::Right => {
|
|
app.tree.open();
|
|
}
|
|
Key::Down => {
|
|
app.tree.next();
|
|
}
|
|
Key::Up => {
|
|
app.tree.previous();
|
|
}
|
|
_ => {}
|
|
},
|
|
Event::Tick => {}
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
}
|