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use map_gui::tools::{ChooseSomething, ColorLegend};
use map_gui::ID;
use map_model::AmenityType;
use widgetry::{
Cached, Choice, Color, Drawable, EventCtx, GfxCtx, HorizontalAlignment, Line, Panel,
SimpleState, State, TextExt, Transition, VerticalAlignment, Widget,
};
use crate::isochrone::{Isochrone, Options};
use crate::viewer::{draw_star, HoverKey, HoverOnBuilding};
use crate::App;
pub struct FindAmenity;
impl FindAmenity {
pub fn new(ctx: &mut EventCtx, options: Options) -> Box<dyn State<App>> {
ChooseSomething::new_state(
ctx,
"Choose an amenity",
AmenityType::all()
.into_iter()
.map(|at| Choice::new(at.to_string(), at))
.collect(),
Box::new(move |at, ctx, app| {
let multi_isochrone = create_multi_isochrone(ctx, app, at, options.clone());
return Transition::Replace(Results::new(ctx, app, multi_isochrone, at));
}),
)
}
}
fn create_multi_isochrone(
ctx: &mut EventCtx,
app: &App,
category: AmenityType,
options: Options,
) -> Isochrone {
let map = &app.map;
let mut stores = Vec::new();
for b in map.all_buildings() {
if b.has_amenity(category) {
stores.push(b.id);
}
}
Isochrone::new(ctx, app, stores, options)
}
struct Results {
draw: Drawable,
isochrone: Isochrone,
hovering_on_bldg: Cached<HoverKey, HoverOnBuilding>,
}
impl Results {
fn new(
ctx: &mut EventCtx,
app: &App,
isochrone: Isochrone,
category: AmenityType,
) -> Box<dyn State<App>> {
let panel = Panel::new_builder(Widget::col(vec![
Widget::row(vec![
Line(format!("{} within 15 minutes", category))
.small_heading()
.into_widget(ctx),
ctx.style().btn_close_widget(ctx),
]),
format!("{} matching amenities", isochrone.start.len()).text_widget(ctx),
ColorLegend::categories(
ctx,
vec![
(Color::GREEN, "5 mins"),
(Color::ORANGE, "10 mins"),
(Color::RED, "15 mins"),
],
),
]))
.aligned(HorizontalAlignment::RightInset, VerticalAlignment::TopInset)
.build(ctx);
let mut batch = isochrone.draw_isochrone(app);
for &start in &isochrone.start {
batch.append(draw_star(ctx, app.map.get_b(start)));
}
<dyn SimpleState<_>>::new_state(
panel,
Box::new(Results {
draw: ctx.upload(batch),
isochrone: isochrone,
hovering_on_bldg: Cached::new(),
}),
)
}
}
impl SimpleState<App> for Results {
fn on_click(&mut self, _: &mut EventCtx, _: &mut App, x: &str, _: &Panel) -> Transition<App> {
match x {
"close" => Transition::Pop,
_ => unreachable!(),
}
}
fn other_event(&mut self, ctx: &mut EventCtx, app: &mut App) -> Transition<App> {
ctx.canvas_movement();
if ctx.redo_mouseover() {
let isochrone = &self.isochrone;
self.hovering_on_bldg
.update(HoverOnBuilding::key(ctx, app), |key| {
HoverOnBuilding::value(ctx, app, key, isochrone)
});
app.current_selection = self.hovering_on_bldg.key().map(|(b, _)| ID::Building(b));
}
Transition::Keep
}
fn draw(&self, g: &mut GfxCtx, _: &App) {
g.redraw(&self.isochrone.draw);
if let Some(ref hover) = self.hovering_on_bldg.value() {
g.draw_mouse_tooltip(hover.tooltip.clone());
g.redraw(&hover.drawn_route);
}
g.redraw(&self.draw);
}
}