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use map_gui::tools::ColorDiscrete;
use map_model::{PathConstraints, PathStep};
use widgetry::{Drawable, EventCtx, GfxCtx, Outcome, Panel, Toggle, Widget};
use crate::app::App;
use crate::layer::{header, Layer, LayerOutcome, PANEL_PLACEMENT};
pub struct TransitNetwork {
panel: Panel,
unzoomed: Drawable,
zoomed: Drawable,
}
impl Layer for TransitNetwork {
fn name(&self) -> Option<&'static str> {
Some("transit network")
}
fn event(&mut self, ctx: &mut EventCtx, app: &mut App) -> Option<LayerOutcome> {
match self.panel.event(ctx) {
Outcome::Clicked(x) => match x.as_ref() {
"close" => {
return Some(LayerOutcome::Close);
}
_ => unreachable!(),
},
Outcome::Changed => {
*self = TransitNetwork::new(
ctx,
app,
self.panel.is_checked("show all routes"),
self.panel.is_checked("show buses"),
self.panel.is_checked("show trains"),
);
}
_ => {}
}
None
}
fn draw(&self, g: &mut GfxCtx, app: &App) {
self.panel.draw(g);
if g.canvas.cam_zoom < app.opts.min_zoom_for_detail {
g.redraw(&self.unzoomed);
} else {
g.redraw(&self.zoomed);
}
}
fn draw_minimap(&self, g: &mut GfxCtx) {
g.redraw(&self.unzoomed);
}
}
impl TransitNetwork {
pub fn new(
ctx: &mut EventCtx,
app: &App,
show_all_routes: bool,
show_buses: bool,
show_trains: bool,
) -> TransitNetwork {
let map = &app.primary.map;
let mut categories = vec![
("bus lanes / rails", app.cs.bus_layer),
("transit stops", app.cs.bus_layer),
];
if show_all_routes {
categories.push(("routes", app.cs.bus_layer));
}
let mut colorer = ColorDiscrete::new(app, categories);
for l in map.all_lanes().values() {
if l.is_bus() && show_buses {
colorer.add_l(l.id, "bus lanes / rails");
}
if l.is_light_rail() && show_trains {
colorer.add_l(l.id, "bus lanes / rails");
}
}
for bs in map.all_bus_stops().values() {
if !bs.is_train_stop && show_buses {
colorer.add_bs(bs.id, "transit stops");
}
if bs.is_train_stop && show_trains {
colorer.add_bs(bs.id, "transit stops");
}
}
if show_all_routes {
for br in map.all_bus_routes() {
if !show_buses && br.route_type == PathConstraints::Bus {
continue;
}
if !show_trains && br.route_type == PathConstraints::Train {
continue;
}
for req in br.all_steps(map) {
if let Ok(path) = map.pathfind(req) {
for step in path.get_steps() {
if let PathStep::Lane(l) = step {
colorer.add_l(*l, "routes");
}
}
}
}
}
}
let (unzoomed, zoomed, legend) = colorer.build(ctx);
let panel = Panel::new(Widget::col(vec![
header(ctx, "Transit network"),
Toggle::switch(ctx, "show all routes", None, show_all_routes),
Toggle::switch(ctx, "show buses", None, show_buses),
Toggle::switch(ctx, "show trains", None, show_trains),
legend,
]))
.aligned_pair(PANEL_PLACEMENT)
.build(ctx);
TransitNetwork {
panel,
unzoomed,
zoomed,
}
}
}