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use crate::theme::Theme;
use crate::tree::Tree;
use crate::{Document, View};
use std::path::PathBuf;
use slotmap::DefaultKey as Key;
use anyhow::Error;
pub struct Editor {
pub tree: Tree,
// pub documents: Vec<Document>,
pub count: Option<usize>,
pub theme: Theme, // TODO: share one instance
pub language_servers: helix_lsp::Registry,
}
impl Editor {
pub fn new(mut area: tui::layout::Rect) -> Self {
let theme = Theme::default();
let language_servers = helix_lsp::Registry::new();
// HAXX: offset the render area height by 1 to account for prompt/commandline
area.height -= 1;
Self {
tree: Tree::new(area),
count: None,
theme,
language_servers,
}
}
pub fn open(&mut self, path: PathBuf, executor: &smol::Executor) -> Result<(), Error> {
let mut doc = Document::load(path, self.theme.scopes())?;
// try to find a language server based on the language name
let language_server = doc
.language()
.and_then(|language| self.language_servers.get(language, &executor));
if let Some(language_server) = language_server {
// TODO: do this everywhere
doc.set_language_server(Some(language_server.clone()));
smol::block_on(language_server.text_document_did_open(
doc.url().unwrap(),
doc.version(),
doc.text(),
))
.unwrap();
}
let view = View::new(doc)?;
self.tree.insert(view);
Ok(())
}
pub fn close(&mut self, id: Key) {
self.tree.remove(id)
}
pub fn should_close(&mut self) -> bool {
self.tree.is_empty()
}
pub fn view(&self) -> &View {
self.tree.get(self.tree.focus)
}
pub fn view_mut(&mut self) -> &mut View {
self.tree.get_mut(self.tree.focus)
}
}
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