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use std::{
ops::Deref,
sync::{Arc, RwLock},
};
use eframe::{
egui::{self, RichText},
emath::Align2,
};
use egui_plot::{BoxElem, BoxPlot, BoxSpread, Line, Plot, PlotImage, PlotPoint, PlotUi, Text};
use interface::{Data, UniqueIdentifier};
// use tracing::warn;
mod data;
use data::SignalData;
use self::data::Quantiles;
type D<U> = Data<crate::payload::ScopeData<U>>;
pub(super) struct Signal<U>
where
U: UniqueIdentifier,
{
rx: Option<flume::Receiver<D<U>>>,
data: Arc<RwLock<Option<SignalData>>>,
legends: Option<Vec<String>>,
hidden: std::collections::HashSet<String>,
}
impl<U> Signal<U>
where
U: UniqueIdentifier,
{
pub fn new(rx: Option<flume::Receiver<D<U>>>) -> Self {
Self {
rx,
data: Arc::new(RwLock::new(None)),
legends: None,
hidden: Default::default(),
}
}
pub fn legends(mut self, items: Vec<String>) -> Self {
self.legends = Some(items);
self
}
}
pub(crate) trait SignalProcessing {
fn run(&mut self, ctx: egui::Context);
fn plot_ui(&self, ui: &mut PlotUi, n_sample: Option<usize>);
fn plot_stats_ui(&self, ctx: &egui::Context);
fn set_hidden(&mut self, items: Vec<String>);
// fn minmax(&self) -> Option<(f64, f64)>;
}
impl<U> SignalProcessing for Signal<U>
where
U: UniqueIdentifier + 'static,
{
fn run(&mut self, ctx: egui::Context) {
let rx = self.rx.take().unwrap();
let data = self.data.clone();
tokio::spawn(async move {
while let Some(wrap) = rx.recv().ok() {
let payload = wrap.deref();
data.write()
.unwrap()
.get_or_insert(SignalData::from(payload))
.add_payload(payload);
ctx.request_repaint();
}
// println!("{}: stream ended", std::any::type_name::<U>());
drop(rx);
});
}
fn plot_ui(&self, ui: &mut PlotUi, n_sample: Option<usize>) {
if let Some(data) = self.data.read().unwrap().as_ref() {
match data {
SignalData::Signal { tag, points, .. } => {
let line = Line::new(match n_sample {
Some(n_sample) if n_sample > points.len() => points.to_vec(),
Some(n_sample) => points[points.len() - n_sample..].to_vec(),
None => points.clone(),
})
.name(tag);
ui.line(line);
}
SignalData::Image {
tag,
size,
time,
image: texture,
..
} => {
texture.as_ref().map(|texture| {
let image = PlotImage::new(
&ui.ctx().load_texture(
tag.as_str(),
texture.to_owned(),
Default::default(),
),
PlotPoint::new(0., 0.),
(2f32 * size[0] as f32 / size[1] as f32, 2f32),
);
ui.image(image);
ui.text(
Text::new(
PlotPoint::new(-1., 1.),
RichText::new(format!("{time:.3}s")).size(14f32).strong(),
)
.anchor(Align2::LEFT_TOP),
);
});
}
SignalData::Signals(signals) => {
if let Some(items) = self.legends.as_ref() {
signals.iter().zip(items).for_each(|(signal, item)| {
if self.hidden.contains(item) {
return;
}
if let SignalData::Signal { tag: _, points, .. } = signal {
let line = Line::new(match n_sample {
Some(n_sample) if n_sample > points.len() => points.to_vec(),
Some(n_sample) => points[points.len() - n_sample..].to_vec(),
None => points.clone(),
})
.name(item);
ui.line(line);
}
})
} else {
signals.iter().enumerate().for_each(|(i, signal)| {
if let SignalData::Signal { tag, points, .. } = signal {
let line = Line::new(match n_sample {
Some(n_sample) if n_sample > points.len() => points.to_vec(),
Some(n_sample) => points[points.len() - n_sample..].to_vec(),
None => points.clone(),
})
.name(format!("{tag} #{i}"));
ui.line(line);
}
})
}
}
}
}
}
fn plot_stats_ui(&self, ctx: &egui::Context) {
if let Some(data) = self.data.read().unwrap().as_ref() {
match data {
SignalData::Signal { .. } => {
unimplemented!();
}
SignalData::Image { quantiles, .. } => {
if let &Some(Quantiles {
minimum,
lower_whisker,
quartile1,
median,
quartile3,
upper_whisker,
maximum,
}) = quantiles
{
egui::TopBottomPanel::top("top")
.min_height(100.)
.show(ctx, |ui| {
Plot::new("Box Plot")
.include_x(minimum)
.include_x(maximum)
.include_y(75.)
.show(ui, |plot_ui: &mut PlotUi| {
plot_ui.box_plot(BoxPlot::new(vec![
BoxElem::new(
0.,
BoxSpread::new(
lower_whisker,
quartile1,
median,
quartile3,
upper_whisker,
),
)
.box_width(40.)
.whisker_width(50.)
.horizontal(),
]));
});
});
}
}
SignalData::Signals(_) => todo!(),
}
}
}
fn set_hidden(&mut self, items: Vec<String>) {
self.hidden = items.into_iter().collect();
}
/* fn minmax(&self) -> Option<(f64, f64)> {
if let Some(data) = self.data.read().unwrap().as_ref() {
match data {
SignalData::Signal { .. } => None,
SignalData::Image { minmax, .. } => minmax.clone(),
}
} else {
None
}
} */
}