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@ -11,9 +11,10 @@ use helix_view::{
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input::{Event, KeyEvent},
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Editor,
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};
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use std::borrow::Cow;
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use std::cmp::Ordering;
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use notify::{Config, RecommendedWatcher, RecursiveMode, Watcher};
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use std::path::{Path, PathBuf};
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use std::{borrow::Cow, sync::mpsc::channel};
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use std::{cmp::Ordering, sync::mpsc::Receiver};
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use tui::{
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buffer::Buffer as Surface,
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text::{Span, Spans},
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@ -238,39 +239,6 @@ impl TreeItem for FileInfo {
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}
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}
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// #[derive(Default, Debug, Clone)]
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// struct PathState {
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// root: PathBuf,
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// sub_items: Vec<FileInfo>,
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// selected: usize,
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// save_view: (usize, usize), // (selected, row)
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// row: usize,
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// col: usize,
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// max_len: usize,
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// }
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// impl PathState {
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// fn mkdir(&mut self, dir: &str) -> Result<()> {
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// self.new_path(dir, FileType::Dir)
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// }
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// fn create_file(&mut self, f: &str) -> Result<()> {
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// self.new_path(f, FileType::File)
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// }
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// fn remove_current_file(&mut self) -> Result<()> {
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// let item = &self.sub_items[self.selected];
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// std::fs::remove_file(item.path_with_root(&self.root))?;
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// self.sub_items.remove(self.selected);
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// if self.selected >= self.sub_items.len() {
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// self.selected = self.sub_items.len() - 1;
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// }
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// Ok(())
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// }
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// }
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#[derive(Clone, Copy, Debug)]
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enum PromptAction {
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Search(bool), // search next/search pre
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@ -304,12 +272,17 @@ pub struct Explorer {
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on_next_key: Option<Box<dyn FnMut(&mut Context, &mut Self, &KeyEvent) -> EventResult>>,
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#[allow(clippy::type_complexity)]
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repeat_motion: Option<Box<dyn FnMut(&mut Self, PromptAction, &mut Context) + 'static>>,
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watcher: RecommendedWatcher,
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io_events: Receiver<Result<notify::Event, notify::Error>>,
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}
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impl Explorer {
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pub fn new(cx: &mut Context) -> Result<Self> {
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let current_root = std::env::current_dir().unwrap_or_else(|_| "./".into());
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let items = Self::get_items(current_root.clone(), cx)?;
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let (mut watcher, receiver) = Self::create_watcher()?;
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watcher.watch(¤t_root, RecursiveMode::Recursive)?;
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Ok(Self {
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tree: Tree::build_tree(items)
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.with_enter_fn(Self::toggle_current)
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@ -318,6 +291,8 @@ impl Explorer {
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repeat_motion: None,
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prompt: None,
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on_next_key: None,
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watcher,
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io_events: receiver,
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})
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}
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@ -339,25 +314,20 @@ impl Explorer {
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.with_enter_fn(Self::toggle_current)
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.with_folded_fn(Self::fold_current);
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tree.insert_current_level(parent);
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let (mut watcher, receiver) = Self::create_watcher()?;
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watcher.watch(¤t_root, RecursiveMode::Recursive)?;
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Ok(Self {
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tree,
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state: State::new(true, current_root),
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repeat_motion: None,
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prompt: None,
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on_next_key: None,
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watcher,
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io_events: receiver,
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})
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// let mut root = vec![, FileInfo::root(p)];
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}
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// pub fn new_with_uri(uri: String) -> Result<Self> {
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// // support remote file?
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// let p = Path::new(&uri);
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// ensure!(p.exists(), "path: {uri} is not exist");
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// ensure!(p.is_dir(), "path: {uri} is not dir");
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// Ok(Self::default().with_list(get_sub(p, None)?))
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// }
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pub fn focus(&mut self) {
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self.state.focus = true
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}
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@ -381,6 +351,24 @@ impl Explorer {
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Ok(items)
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}
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pub fn handle_changes(&mut self, cx: &mut Context) -> Result<()> {
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if let Ok(o) = self.io_events.try_recv() {
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match o {
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Ok(_) => self.refresh(cx),
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Err(e) => Err(e.into()),
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}
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} else {
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Ok(())
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}
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}
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fn refresh(&mut self, cx: &mut Context) -> Result<()> {
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let items = Self::get_items(self.state.current_root.clone(), cx)?;
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self.tree.replace_with_new_items(items);
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Ok(())
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}
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fn render_preview(&mut self, area: Rect, surface: &mut Surface, editor: &Editor) {
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if area.height <= 2 || area.width < 60 {
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return;
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@ -422,6 +410,28 @@ impl Explorer {
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}
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}
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fn watch(&mut self, path: &Path) -> Result<()> {
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self.watcher.watch(path, RecursiveMode::Recursive)?;
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Ok(())
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}
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fn unwatch(&mut self, path: &Path) -> Result<()> {
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self.watcher.unwatch(path)?;
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Ok(())
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}
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fn create_watcher() -> Result<(
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RecommendedWatcher,
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Receiver<Result<notify::Event, notify::Error>>,
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)> {
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let (tx, rx) = channel();
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let watcher = RecommendedWatcher::new(tx, Config::default())?;
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Ok((watcher, rx))
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}
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fn new_search_prompt(&mut self, search_next: bool) {
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self.tree.save_view();
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self.prompt = Some((
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