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use std::collections::BTreeSet;
use enumset::EnumSet;
use maplit::btreeset;
use map_gui::tools::ColorDiscrete;
use map_model::{AccessRestrictions, PathConstraints, RoadID};
use sim::TripMode;
use widgetry::mapspace::ToggleZoomed;
use widgetry::{
Color, EventCtx, GfxCtx, HorizontalAlignment, Key, Line, Outcome, Panel, State, Text,
VerticalAlignment, Widget,
};
use crate::app::{App, Transition};
use crate::common::RoadSelector;
use crate::common::{checkbox_per_mode, intersections_from_roads, CommonState};
use crate::edit::apply_map_edits;
pub struct ZoneEditor {
panel: Panel,
selector: RoadSelector,
allow_through_traffic: BTreeSet<TripMode>,
draw: ToggleZoomed,
orig_members: BTreeSet<RoadID>,
}
impl ZoneEditor {
pub fn new_state(ctx: &mut EventCtx, app: &mut App, start: RoadID) -> Box<dyn State<App>> {
let start = app.primary.map.get_r(start);
let members = if let Some(z) = start.get_zone(&app.primary.map) {
z.members.clone()
} else {
btreeset! { start.id }
};
let allow_through_traffic = start
.access_restrictions
.allow_through_traffic
.into_iter()
.map(TripMode::from_constraints)
.collect();
let (draw, legend) = draw_zone(ctx, app, &members);
let orig_members = members.clone();
let selector = RoadSelector::new(ctx, app, members);
Box::new(ZoneEditor {
panel: Panel::new_builder(Widget::col(vec![
Line("Editing restricted access zone")
.small_heading()
.into_widget(ctx),
selector.make_controls(ctx).named("selector"),
legend,
make_instructions(ctx, &allow_through_traffic).named("instructions"),
checkbox_per_mode(ctx, app, &allow_through_traffic),
Widget::custom_row(vec![
ctx.style()
.btn_solid_primary
.text("Apply")
.hotkey(Key::Enter)
.build_def(ctx),
ctx.style()
.btn_solid_destructive
.text("Cancel")
.hotkey(Key::Escape)
.build_def(ctx),
])
.evenly_spaced(),
]))
.aligned(HorizontalAlignment::Center, VerticalAlignment::Top)
.build(ctx),
orig_members,
selector,
allow_through_traffic,
draw,
})
}
}
impl State<App> for ZoneEditor {
fn event(&mut self, ctx: &mut EventCtx, app: &mut App) -> Transition {
match self.panel.event(ctx) {
Outcome::Clicked(x) => match x.as_ref() {
"Apply" => {
let mut edits = app.primary.map.get_edits().clone();
for r in self.orig_members.difference(&self.selector.roads) {
edits
.commands
.push(app.primary.map.edit_road_cmd(*r, |new| {
new.access_restrictions = AccessRestrictions::new();
}));
}
let mut allow_through_traffic = self
.allow_through_traffic
.iter()
.map(|m| m.to_constraints())
.collect::<EnumSet<_>>();
allow_through_traffic.insert(PathConstraints::Train);
let new_access_restrictions = AccessRestrictions {
allow_through_traffic,
};
for r in &self.selector.roads {
let old_access_restrictions =
app.primary.map.get_r(*r).access_restrictions.clone();
if old_access_restrictions != new_access_restrictions {
edits
.commands
.push(app.primary.map.edit_road_cmd(*r, |new| {
new.access_restrictions = new_access_restrictions.clone();
}));
}
}
apply_map_edits(ctx, app, edits);
return Transition::Pop;
}
"Cancel" => {
return Transition::Pop;
}
x => {
if self.selector.event(ctx, app, Some(x)) {
let new_controls = self.selector.make_controls(ctx);
self.panel.replace(ctx, "selector", new_controls);
self.draw = draw_zone(ctx, app, &self.selector.roads).0;
}
}
},
Outcome::Changed(_) => {
let mut new_allow_through_traffic = BTreeSet::new();
for m in TripMode::all() {
if self.panel.is_checked(m.ongoing_verb()) {
new_allow_through_traffic.insert(m);
}
}
let instructions = make_instructions(ctx, &new_allow_through_traffic);
self.panel.replace(ctx, "instructions", instructions);
self.allow_through_traffic = new_allow_through_traffic;
}
_ => {
if self.selector.event(ctx, app, None) {
let new_controls = self.selector.make_controls(ctx);
self.panel.replace(ctx, "selector", new_controls);
self.draw = draw_zone(ctx, app, &self.selector.roads).0;
}
}
}
Transition::Keep
}
fn draw(&self, g: &mut GfxCtx, app: &App) {
self.draw.draw(g);
self.panel.draw(g);
self.selector.draw(g, app, false);
CommonState::draw_osd(g, app);
}
}
fn draw_zone(ctx: &mut EventCtx, app: &App, members: &BTreeSet<RoadID>) -> (ToggleZoomed, Widget) {
let mut colorer = ColorDiscrete::new(
app,
vec![
("restricted road", Color::CYAN),
("entrance/exit", Color::BLUE),
],
);
let map = &app.primary.map;
for r in members {
let r = map.get_r(*r);
colorer.add_r(r.id, "restricted road");
for next in map.get_next_roads(r.id) {
if !members.contains(&next) {
colorer.add_i(r.common_endpt(map.get_r(next)), "entrance/exit");
}
}
}
for i in intersections_from_roads(members, &app.primary.map) {
colorer.add_i(i, "restricted road");
}
colorer.build(ctx)
}
fn make_instructions(ctx: &mut EventCtx, allow_through_traffic: &BTreeSet<TripMode>) -> Widget {
if allow_through_traffic == &TripMode::all().into_iter().collect() {
Text::from(
"Through-traffic is allowed for everyone, meaning this is just a normal public road. \
Would you like to restrict it?",
)
.wrap_to_pct(ctx, 30)
.into_widget(ctx)
} else {
Line("Trips may start or end in this zone, but through-traffic is only allowed for:")
.into_widget(ctx)
}
}