1 //= require ./directions-endpoint
2 //= require ./directions-route-output
4 //= require_tree ./directions
6 OSM.Directions = function (map) {
7 let controller = null; // the AbortController for the current route request if a route request is in progress
11 let sidebarReadyPromise = null;
13 const routeOutput = OSM.DirectionsRouteOutput(map);
15 const endpointDragCallback = function (dragging) {
16 if (!routeOutput.isVisible()) return;
17 if (dragging && !chosenEngine.draggable) return;
18 if (dragging && controller) return;
20 getRoute(false, !dragging);
22 const endpointChangeCallback = function () {
27 OSM.DirectionsEndpoint(map, $("input[name='route_from']"), { icon: "play", color: "var(--marker-green)" }, endpointDragCallback, endpointChangeCallback),
28 OSM.DirectionsEndpoint(map, $("input[name='route_to']"), { icon: "stop", color: "var(--marker-red)" }, endpointDragCallback, endpointChangeCallback)
31 const expiry = new Date();
32 expiry.setYear(expiry.getFullYear() + 10);
34 const modeGroup = $(".routing_modes");
35 const select = $("select#routing_engines");
37 $(".directions_form .reverse_directions").on("click", function () {
38 const coordFrom = endpoints[0].latlng,
39 coordTo = endpoints[1].latlng;
43 routeFrom = coordFrom.lat + "," + coordFrom.lng;
46 routeTo = coordTo.lat + "," + coordTo.lng;
48 endpoints[0].swapCachedReverseGeocodes(endpoints[1]);
50 OSM.router.route("/directions?" + new URLSearchParams({
51 route: routeTo + ";" + routeFrom
55 $(".directions_form .btn-close").on("click", function (e) {
57 $(".search_form input[name='query']").val(endpoints[1].value);
58 OSM.router.route("/" + OSM.formatHash(map));
61 function setEngine(id) {
62 const engines = OSM.Directions.engines;
63 const desired = engines.find(engine => engine.id === id);
64 if (!desired || (chosenEngine && chosenEngine.id === id)) return;
65 chosenEngine = desired;
68 .filter(engine => engine.provider === chosenEngine.provider)
69 .map(engine => engine.mode);
72 .prop("disabled", function () {
73 return !modes.includes(this.value);
75 .prop("checked", function () {
76 return this.value === chosenEngine.mode;
79 const providers = engines
80 .filter(engine => engine.mode === chosenEngine.mode)
81 .map(engine => engine.provider);
83 .find("option[value]")
84 .prop("disabled", function () {
85 return !providers.includes(this.value);
87 select.val(chosenEngine.provider);
90 function getRoute(fitRoute, reportErrors) {
91 // Cancel any route that is already in progress
92 if (controller) controller.abort();
94 const points = endpoints.map(p => p.latlng);
96 if (!points[0] || !points[1]) return;
97 $("header").addClass("closed");
99 OSM.router.replace("/directions?" + new URLSearchParams({
100 engine: chosenEngine.id,
101 route: points.map(p => `${p.lat},${p.lng}`).join(";")
104 $("#directions_loader").prop("hidden", false);
105 $("#directions_error").prop("hidden", true).empty();
106 $("#directions_route").prop("hidden", true);
107 map.setSidebarOverlaid(false);
108 controller = new AbortController();
109 chosenEngine.getRoute(points, controller.signal).then(async function (route) {
110 await sidebarLoaded();
111 $("#directions_route").prop("hidden", false);
112 routeOutput.write(route);
116 }).catch(async function (error) {
117 if (error.name === "AbortError") return;
118 await sidebarLoaded();
119 routeOutput.remove();
121 $("#directions_error")
122 .prop("hidden", false)
123 .html("<div class=\"alert alert-danger\">" + OSM.i18n.t("javascripts.directions.errors.no_route") + "</div>");
125 }).finally(function () {
126 $("#directions_loader").prop("hidden", true);
131 function closeButtonListener(e) {
133 routeOutput.remove();
134 sidebarReadyPromise = null;
135 map.setSidebarOverlaid(true);
138 setEngine("fossgis_osrm_car");
139 setEngine(OSM.cookies.get("_osm_directions_engine"));
141 modeGroup.on("change", "input[name='modes']", function (e) {
142 setEngine(chosenEngine.provider + "_" + e.target.value);
143 OSM.cookies.set("_osm_directions_engine", chosenEngine.id, { expires: expiry });
144 getRoute(true, true);
147 select.on("change", function (e) {
148 setEngine(e.target.value + "_" + chosenEngine.mode);
149 OSM.cookies.set("_osm_directions_engine", chosenEngine.id, { expires: expiry });
150 getRoute(true, true);
153 $(".directions_form").on("submit", function (e) {
155 getRoute(true, true);
158 $(".routing_marker_column span").on("dragstart", function (e) {
159 const dt = e.originalEvent.dataTransfer;
160 dt.effectAllowed = "move";
161 const jqthis = $(this);
162 dt.setData("text", JSON.stringify(jqthis.data()));
163 if (dt.setDragImage) {
164 const img = jqthis.clone()
165 .appendTo(document.body);
167 .toggleClass("position-absolute bottom-100 end-100")
168 .attr({ width: "25", height: "40" });
169 dt.setDragImage(img.get(0), 12, 21);
170 setTimeout(() => img.remove(), 0);
174 function sendstartinglocation({ latlng: { lat, lng } }) {
175 map.fire("startinglocation", { latlng: [lat, lng] });
178 function startingLocationListener({ latlng }) {
179 if (endpoints[0].value) return;
180 endpoints[0].setValue(latlng.join(", "));
183 map.on("locationfound", ({ latlng: { lat, lng } }) =>
184 lastLocation = [lat, lng]
185 ).on("locateactivate", () => {
186 map.once("startinglocation", startingLocationListener);
189 function initializeFromParams() {
190 const params = new URLSearchParams(location.search),
191 route = (params.get("route") || "").split(";");
193 if (params.has("engine")) setEngine(params.get("engine"));
195 endpoints[0].setValue(params.get("from") || route[0] || lastLocation.join(", "));
196 endpoints[1].setValue(params.get("to") || route[1] || "");
199 function enableListeners() {
200 $("#sidebar .sidebar-close-controls button").on("click", closeButtonListener);
202 $("#map").on("dragend dragover", function (e) {
206 $("#map").on("drop", function (e) {
208 const oe = e.originalEvent;
209 const dragData = JSON.parse(oe.dataTransfer.getData("text"));
210 const type = dragData.type;
211 const pt = L.DomEvent.getMousePosition(oe, map.getContainer()); // co-ordinates of the mouse pointer at present
213 const ll = map.containerPointToLatLng(pt);
214 const llWithPrecision = OSM.cropLocation(ll, map.getZoom());
215 endpoints[type === "from" ? 0 : 1].setValue(llWithPrecision.join(", "));
218 map.on("locationfound", sendstartinglocation);
220 endpoints[0].enableListeners();
221 endpoints[1].enableListeners();
226 function sidebarLoaded() {
227 if ($("#directions_route").length) {
228 sidebarReadyPromise = null;
229 return Promise.resolve();
231 if (sidebarReadyPromise) return sidebarReadyPromise;
232 sidebarReadyPromise = new Promise(resolve => OSM.loadSidebarContent("/directions", resolve));
233 return sidebarReadyPromise;
236 page.pushstate = page.popstate = page.load = function () {
237 initializeFromParams();
239 $(".search_form").hide();
240 $(".directions_form").show();
242 sidebarLoaded().then(enableListeners);
244 map.setSidebarOverlaid(!endpoints[0].latlng || !endpoints[1].latlng);
247 page.unload = function () {
248 $(".search_form").show();
249 $(".directions_form").hide();
251 $("#sidebar .sidebar-close-controls button").off("click", closeButtonListener);
252 $("#map").off("dragend dragover drop");
253 map.off("locationfound", sendstartinglocation);
255 endpoints[0].disableListeners();
256 endpoints[1].disableListeners();
258 endpoints[0].clearValue();
259 endpoints[1].clearValue();
261 routeOutput.remove();
263 sidebarReadyPromise = null;
269 OSM.Directions.engines = [];
271 OSM.Directions.addEngine = function (engine, supportsHTTPS) {
272 if (location.protocol === "http:" || supportsHTTPS) {
273 engine.id = engine.provider + "_" + engine.mode;
274 OSM.Directions.engines.push(engine);