ltn/pages/design_ltn/
one_ways.rs

1use osm2streets::LaneSpec;
2use widgetry::mapspace::{World, WorldOutcome};
3use widgetry::{EventCtx, Text};
4
5use super::{road_name, EditOutcome, Obj};
6use crate::render::colors;
7use crate::{App, Neighbourhood};
8
9pub fn make_world(ctx: &mut EventCtx, app: &App, neighbourhood: &Neighbourhood) -> World<Obj> {
10    let map = &app.per_map.map;
11    let mut world = World::new();
12
13    for r in &neighbourhood.interior_roads {
14        let road = map.get_r(*r);
15        world
16            .add(Obj::Road(*r))
17            .hitbox(road.get_thick_polygon())
18            .drawn_in_master_batch()
19            .hover_color(colors::HOVER)
20            .tooltip(Text::from(format!(
21                "Click to flip direction of {}",
22                road_name(app, road)
23            )))
24            .clickable()
25            .build(ctx);
26    }
27
28    world.initialize_hover(ctx);
29    world
30}
31
32pub fn handle_world_outcome(
33    ctx: &mut EventCtx,
34    app: &mut App,
35    outcome: WorldOutcome<Obj>,
36) -> EditOutcome {
37    match outcome {
38        WorldOutcome::ClickedObject(Obj::Road(r)) => {
39            if app.per_map.map.get_r(r).modal_filter.is_some() {
40                return EditOutcome::error(ctx, "A one-way street can't have a filter");
41            }
42            if app
43                .per_map
44                .map
45                .get_r(r)
46                .is_deadend_for_driving(&app.per_map.map)
47            {
48                return EditOutcome::error(ctx, "A dead-end street can't be one-way");
49            }
50
51            let driving_side = app.per_map.map.get_config().driving_side;
52            let mut edits = app.per_map.map.get_edits().clone();
53            edits.commands.push(app.per_map.map.edit_road_cmd(r, |new| {
54                LaneSpec::toggle_road_direction(&mut new.lanes_ltr, driving_side);
55            }));
56            app.apply_edits(edits);
57
58            EditOutcome::UpdateAll
59        }
60        _ => EditOutcome::Nothing,
61    }
62}
ltn/pages/design_ltn/one_ways.rs

ltn/pages/design_ltn/
one_ways.rs
