harmony/harmony-rs/harmony_tui/src/widget/score.rs

153 lines
4.6 KiB
Rust

use std::sync::{ Arc, RwLock};
use crossterm::event::{Event, KeyCode, KeyEventKind};
use log::{debug, error, info, trace, warn};
use ratatui::{
layout::{Constraint, Rect},
style::{Style, Stylize},
widgets::{Block, Clear, List, ListState, Paragraph, StatefulWidget, Widget},
Frame,
};
use tokio::sync::mpsc;
use crate::{HarmonyTuiEvent, ScoreItem};
use crate::ratatui_utils::center;
#[derive(Debug)]
enum ExecutionState {
INITIATED,
CONFIRMED,
CANCELED,
RUNNING,
COMPLETED,
}
#[derive(Debug)]
struct Execution {
state: ExecutionState,
score: ScoreItem,
}
#[derive(Debug)]
pub(crate) struct ScoreListWidget {
list_state: Arc<RwLock<ListState>>,
scores: Vec<ScoreItem>,
execution: Option<Execution>,
execution_history: Vec<Execution>,
sender: mpsc::Sender<HarmonyTuiEvent>,
}
impl ScoreListWidget {
pub(crate) fn new(scores: Vec<ScoreItem>, sender : mpsc::Sender<HarmonyTuiEvent>) -> Self {
let mut list_state = ListState::default();
list_state.select_first();
let list_state = Arc::new(RwLock::new(list_state));
Self {
scores,
list_state,
execution: None,
execution_history: vec![],
sender,
}
}
pub(crate) fn launch_execution(&mut self) {
let list_read = self.list_state.read().unwrap();
if let Some(index) = list_read.selected() {
let score = self
.scores
.get(index)
.expect("List state should always match with internal Vec");
self.execution = Some(Execution {
state: ExecutionState::INITIATED,
score: score.clone(),
});
info!("{:#?}\n\nConfirm Execution (Press y/n)", score.0);
} else {
warn!("No Score selected, nothing to launch");
}
}
pub(crate) fn scroll_down(&self) {
self.list_state.write().unwrap().scroll_down_by(1);
}
pub(crate) fn scroll_up(&self) {
self.list_state.write().unwrap().scroll_up_by(1);
}
pub(crate) fn render(&self, area: Rect, frame: &mut Frame) {
frame.render_widget(self, area);
self.render_execution(frame);
}
pub(crate) fn render_execution(&self, frame: &mut Frame) {
if let None = self.execution {
return;
}
let execution = self.execution.as_ref().unwrap();
}
fn clear_execution(&mut self) {
match self.execution.take() {
Some(execution) => {
self.execution_history.push(execution);
}
None => warn!("Should never clear execution when no execution exists"),
}
}
pub(crate) async fn confirm(&mut self, confirm: bool) {
if let Some(execution) = &mut self.execution {
match confirm {
true => {
execution.state = ExecutionState::CONFIRMED;
info!("Launch execution {:?}", execution);
warn!("Launch execution");
error!("Launch execution");
trace!("Launch execution");
debug!("Launch execution");
self.sender.send(HarmonyTuiEvent::LaunchScore(execution.score.clone())).await.expect("Should be able to send message");
}
false => {
execution.state = ExecutionState::CANCELED;
info!("Execution cancelled");
self.clear_execution();
}
}
}
}
pub(crate) async fn handle_event(&mut self, event: &Event) {
if let Event::Key(key) = event {
if key.kind == KeyEventKind::Press {
match key.code {
KeyCode::Char('j') | KeyCode::Down => self.scroll_down(),
KeyCode::Char('k') | KeyCode::Up => self.scroll_up(),
KeyCode::Enter => self.launch_execution(),
KeyCode::Char('y') => self.confirm(true).await,
KeyCode::Char('n') => self.confirm(false).await,
_ => {}
}
}
}
}
}
impl Widget for &ScoreListWidget {
fn render(self, area: ratatui::prelude::Rect, buf: &mut ratatui::prelude::Buffer)
where
Self: Sized,
{
let mut list_state = self.list_state.write().unwrap();
let list = List::new(&self.scores)
.highlight_style(Style::new().bold().italic())
.highlight_symbol("🠊 ");
StatefulWidget::render(list, area, buf, &mut list_state)
}
}