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|
use anyhow::Result;
use cursive::Cursive;
use cursive::Printer;
use cursive::Rect;
use cursive::View;
use cursive::XY;
use cursive::direction::Direction;
use cursive::event::Callback;
use cursive::event::Event;
use cursive::event::EventResult;
use cursive::view::Nameable;
use cursive::view::Selector;
use cursive::views::Dialog;
use cursive::views::EditView;
use cursive::views::NamedView;
use cursive::views::ResizedView;
use cursive::traits::Resizable;
use cursive_multiplex::Mux;
use crate::configuration::Configuration;
use crate::maillist_view::MaillistView;
use crate::maillist_view::MailListingData;
pub const MAIN_VIEW_NAME: &'static str = "main_view";
pub const MAIN_MUX_NAME: &'static str = "main_mux";
pub const MAIN_MAIL_LIST_NAME: &'static str = "main_mail_list";
pub struct MainView {
config: Configuration,
muxroot: cursive_multiplex::Id,
tabs: cursive_tabs::TabPanel<String>,
}
impl View for MainView {
fn draw(&self, printer: &Printer) {
self.tabs.draw(printer)
}
fn layout(&mut self, xy: XY<usize>) {
self.tabs.layout(xy)
}
fn needs_relayout(&self) -> bool {
self.tabs.needs_relayout()
}
fn required_size(&mut self, constraint: XY<usize>) -> XY<usize> {
self.tabs.required_size(constraint)
}
fn on_event(&mut self, e: Event) -> EventResult {
match e {
Event::Char('q') => {
if self.tabs.tab_order().len() == 1 {
EventResult::Ignored
} else {
if let Some(key) = self.tabs.active_tab().cloned() {
debug!("Removing tab: {}", key);
if let Err(e) = self.tabs.remove_tab(&key) {
error!("{:?}", e); // TODO do more than just logging
}
debug!("Remove tab");
EventResult::Consumed(None)
} else {
debug!("No tab to remove found.");
EventResult::Ignored
}
}
},
Event::Key(cursive::event::Key::Enter) => {
let muxroot = self.muxroot.clone();
EventResult::Consumed(Some(Callback::from_fn(move |siv| Self::add_mailview(siv, muxroot))))
},
Event::Char('o') => {
EventResult::Consumed(Some(Callback::from_fn(MainView::add_notmuch_query_layer)))
},
other => self.tabs.on_event(other),
}
}
fn call_on_any<'a>(&mut self, s: &Selector, tpl: &'a mut (dyn FnMut(&mut (dyn View + 'static)) + 'a)) {
self.tabs.call_on_any(s, tpl);
}
fn focus_view(&mut self, s: &Selector) -> Result<(), ()> {
self.tabs.focus_view(s)
}
fn take_focus(&mut self, source: Direction) -> bool {
self.tabs.take_focus(source)
}
fn important_area(&self, view_size: XY<usize>) -> Rect {
self.tabs.important_area(view_size)
}
fn type_name(&self) -> &'static str {
self.tabs.type_name()
}
}
impl MainView {
pub fn new(config: Configuration) -> Result<NamedView<Self>> {
use cursive::view::SizeConstraint;
let mut tab = cursive_multiplex::Mux::new();
let muxroot = tab.root().build().unwrap();
{
let dbpath = config.notmuch_database_path();
let dbquery = config.notmuch_default_query();
let mlname = MAIN_MAIL_LIST_NAME.to_string();
let view = MaillistView::create_for(dbpath.to_path_buf(), dbquery, mlname)?;
let _ = tab.add_right_of(view, muxroot);
}
let tabs = cursive_tabs::TabPanel::default()
.with_bar_alignment(cursive_tabs::Align::Start)
.with_bar_placement(cursive_tabs::Placement::HorizontalTop)
.with_tab(config.notmuch_default_query().clone(), tab.with_name(MAIN_MUX_NAME));
Ok(MainView { config, muxroot, tabs }.with_name(MAIN_VIEW_NAME))
}
pub fn add_tab<T: View>(&mut self, id: String, view: T) {
self.tabs.add_tab(id, view)
}
pub fn config(&self) -> &Configuration {
&self.config
}
fn add_notmuch_query_layer(siv: &mut Cursive) {
use crate::util::dialog_for;
use crate::util::error_dialog_for;
let edit_view = EditView::new()
.on_submit(move |siv: &mut Cursive, query: &str| {
siv.call_on_name(MAIN_VIEW_NAME, move |main_view: &mut MainView| {
main_view.config().notmuch_database_path().clone()
})
.map(|dbpath| {
let t = MaillistView::create_for(dbpath.to_path_buf(), query, query.to_string())?
.full_screen()
.with_name(format!("{}-view", query));
siv.call_on_name(MAIN_VIEW_NAME, move |main_view: &mut MainView| {
main_view.add_tab(query.to_string(), t);
});
siv.pop_layer();
Ok(())
})
.unwrap_or_else(|| {
siv.pop_layer();
siv.add_layer(dialog_for("Failed to get database connection set up"));
Ok(())
})
.unwrap_or_else(|e: anyhow::Error| {
siv.pop_layer();
siv.add_layer(error_dialog_for(e))
});
})
.with_name("query");
siv.add_layer({
Dialog::around(edit_view)
.title("Query")
.min_width(80)
})
}
fn add_mailview(siv: &mut Cursive, muxroot: cursive_multiplex::Id) {
debug!("Creating mailview");
siv.call_on_name(MAIN_MAIL_LIST_NAME, |maillist_view: &mut MaillistView| {
if let Some(ml_data) = maillist_view.item().and_then(move |idx| maillist_view.borrow_item(idx)) {
debug!("Found item");
Ok(ml_data.clone())
} else {
unimplemented!()
}
})
.map(|maillist_item: Result<MailListingData>| {
if let Ok(mldata) = maillist_item {
let _ = siv.call_on_name(MAIN_MUX_NAME, |mux: &mut Mux| {
debug!("Adding mux pane");
let _ = mux.add_right_of(crate::mailview::MailView::create_for(mldata), muxroot); // TODO handle error
}); // TODO handle error.
} else {
// do something
}
Ok(())
})
.unwrap_or_else(|| {
siv.add_layer(crate::util::dialog_for("Failed to find View"));
Ok(())
})
.unwrap_or_else(|e: anyhow::Error| {
siv.add_layer(crate::util::error_dialog_for(e))
});
}
}
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