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|
use gtk::prelude::*;
use gtk::glib;
use super::state::{View, ViewManager};
use std::sync::Arc;
use std::sync::Mutex;
use std::rc::Rc;
use std::thread;
use crate::index::Index;
use crate::index::GenState;
pub struct Generate {
vm : Rc<ViewManager>
}
impl View for Generate {
fn name(&self) -> &str {
"generate"
}
fn set_vm(&mut self, vm : Rc<ViewManager>) {
self.vm = vm
}
fn make_current(&self) -> Option<gtk::Box> {
let target_dir = Arc::new(Mutex::new(String::new()));
let index_file = Arc::new(Mutex::new(String::new()));
let (index_tx, index_rx) = std::sync::mpsc::channel();
let load_next = Rc::new(Mutex::new(false));
let splash = gtk::Window::new(gtk::WindowType::Popup);
splash.set_type_hint(gtk::gdk::WindowTypeHint::Splashscreen);
splash.set_decorated(false);
splash.set_position(gtk::WindowPosition::Center);
splash.set_resizable(false);
splash.set_size_request(600, 200);
let main = gtk::Box::new(gtk::Orientation::Vertical, 10);
main.set_widget_name("generate");
let title = gtk::Label::new(Some("Generate Index"));
title.set_widget_name("title");
let step = gtk::Label::new(Some("Choose A Target Directory"));
step.set_halign(gtk::Align::Start);
let btn = gtk::Button::with_label("Choose");
btn.set_sensitive(false);
let header = gtk::Box::new(gtk::Orientation::Horizontal, 0);
let pick = gtk::FileChooserWidget::builder()
.create_folders(false)
.action(gtk::FileChooserAction::SelectFolder)
.build();
header.pack_start(&step, true, true, 10);
header.pack_start(&btn, false, false, 10);
main.pack_start(&title, false, false, 0);
main.pack_start(&header, false, false, 0);
main.pack_start(&pick, true, true, 0);
splash.add(&main);
pick.connect_selection_changed(glib::clone!(@weak btn => move |pick| {
if pick.file().is_some() || pick.current_name().is_some() {
btn.set_sensitive(true);
} else {
btn.set_sensitive(false);
}
}));
{
let target_dir = Arc::clone(&target_dir);
let index_file = Arc::clone(&index_file);
let load_next = Rc::clone(&load_next);
btn.connect_clicked(glib::clone!(
@weak splash,
@weak header,
@weak step,
@weak pick,
@weak main => move |btn| {
let td = { target_dir.lock().unwrap().clone() };
if td.is_empty() {
let uri = pick.uri().unwrap();
let path = uri.as_str().trim_start_matches("file://");
let mut target_dir = target_dir.lock().unwrap();
*target_dir = path.to_string();
step.set_text("Create A Index File");
btn.set_label("Create");
pick.set_action(gtk::FileChooserAction::Save);
} else {
let mut path = pick.current_folder().unwrap().to_str().unwrap().to_string();
path += "/";
path += pick.current_name().unwrap().to_string().as_str();
*index_file.lock().unwrap() = path;
main.remove(&header);
main.remove(&pick);
let progress = gtk::ProgressBar::builder()
.ellipsize(gtk::pango::EllipsizeMode::Middle)
.show_text(true)
.text("Generating")
.build();
progress.set_margin(20);
main.pack_start(&progress, true, false, 0);
let (tx, rx) = glib::MainContext::channel(glib::Priority::default());
{
let target_dir = Arc::clone(&target_dir);
let index_file = Arc::clone(&index_file);
let index_tx = index_tx.clone();
thread::spawn(move || {
let path = target_dir.lock().unwrap().to_string();
let idx = Index::generate(path.as_str(), |s, p| {
let text = match s {
GenState::Fetching => { "Fetching" }
GenState::Parsing => { "Parsing" }
GenState::Merging => { "Merging" }
};
tx.send(Some((text, p))).ok();
});
tx.send(Some(("Saving", 100))).ok();
idx.save(index_file.lock().unwrap().to_string());
tx.send(None).ok();
index_tx.send(idx)
});
}
let load_next = Rc::clone(&load_next);
rx.attach(None, glib::clone!(
@weak splash,
@weak progress,
@weak main => @default-return glib::Continue(false), move |value| match value {
Some((s, p)) => {
progress.pulse();
progress.set_fraction(f64::from(p) / 100.0);
progress.set_text(Some(s));
glib::Continue(true)
}
None => {
splash.close();
*load_next.lock().unwrap() = true;
glib::Continue(false)
}
}));
main.show_all();
}
}));
}
let vm = Rc::clone(&self.vm);
splash.connect_hide(move |_| {
if *load_next.lock().unwrap() {
let idx = index_rx.recv().unwrap();
vm.set_index(idx);
vm.set_current_view("search");
} else if vm.get_current_view() == "generate" {
vm.set_current_view("welcome")
}
});
splash.show_all();
None
}
}
impl Generate {
pub fn new() -> Self {
Self { vm : Rc::new(ViewManager::empty()) }
}
}
|
