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: "MARKER_GREEN" }, endpointDragCallback, endpointChangeCallback),
28 OSM.DirectionsEndpoint(map, $("input[name='route_to']"), { icon: "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 $(".describe_location").toggle(!endpoints[1].value);
58 $(".search_form input[name='query']").val(endpoints[1].value);
59 OSM.router.route("/" + OSM.formatHash(map));
62 function setEngine(id) {
63 const engines = OSM.Directions.engines;
64 const desired = engines.find(engine => engine.id === id);
65 if (!desired || (chosenEngine && chosenEngine.id === id)) return;
66 chosenEngine = desired;
69 .filter(engine => engine.provider === chosenEngine.provider)
70 .map(engine => engine.mode);
73 .prop("disabled", function () {
74 return !modes.includes(this.id);
76 .prop("checked", function () {
77 return this.id === chosenEngine.mode;
80 const providers = engines
81 .filter(engine => engine.mode === chosenEngine.mode)
82 .map(engine => engine.provider);
84 .find("option[value]")
85 .prop("disabled", function () {
86 return !providers.includes(this.value);
88 select.val(chosenEngine.provider);
91 function getRoute(fitRoute, reportErrors) {
92 // Cancel any route that is already in progress
93 if (controller) controller.abort();
95 const points = endpoints.map(p => p.latlng);
97 if (!points[0] || !points[1]) return;
98 $("header").addClass("closed");
100 OSM.router.replace("/directions?" + new URLSearchParams({
101 engine: chosenEngine.id,
102 route: points.map(p => `${p.lat},${p.lng}`).join(";")
105 $("#directions_loader").prop("hidden", false);
106 $("#directions_error").prop("hidden", true).empty();
107 $("#directions_route").prop("hidden", true);
108 map.setSidebarOverlaid(false);
109 controller = new AbortController();
110 chosenEngine.getRoute(points, controller.signal).then(async function (route) {
111 await sidebarLoaded();
112 $("#directions_route").prop("hidden", false);
113 routeOutput.write(route);
117 }).catch(async function (error) {
118 if (error.name === "AbortError") return;
119 await sidebarLoaded();
120 routeOutput.remove();
122 $("#directions_error")
123 .prop("hidden", false)
124 .html("<div class=\"alert alert-danger\">" + OSM.i18n.t("javascripts.directions.errors.no_route") + "</div>");
126 }).finally(function () {
127 $("#directions_loader").prop("hidden", true);
132 function closeButtonListener(e) {
134 routeOutput.remove();
135 sidebarReadyPromise = null;
136 map.setSidebarOverlaid(true);
137 // TODO: collapse width of sidebar back to previous
140 setEngine("fossgis_osrm_car");
141 setEngine(Cookies.get("_osm_directions_engine"));
143 modeGroup.on("change", "input[name='modes']", function (e) {
144 setEngine(chosenEngine.provider + "_" + e.target.id);
145 Cookies.set("_osm_directions_engine", chosenEngine.id, { secure: true, expires: expiry, path: "/", samesite: "lax" });
146 getRoute(true, true);
149 select.on("change", function (e) {
150 setEngine(e.target.value + "_" + chosenEngine.mode);
151 Cookies.set("_osm_directions_engine", chosenEngine.id, { secure: true, expires: expiry, path: "/", samesite: "lax" });
152 getRoute(true, true);
155 $(".directions_form").on("submit", function (e) {
157 getRoute(true, true);
160 $(".routing_marker_column img").on("dragstart", function (e) {
161 const dt = e.originalEvent.dataTransfer;
162 dt.effectAllowed = "move";
163 const dragData = { type: $(this).data("type") };
164 dt.setData("text", JSON.stringify(dragData));
165 if (dt.setDragImage) {
166 const img = $("<img>").attr("src", $(e.originalEvent.target).attr("src"));
167 dt.setDragImage(img.get(0), 12, 21);
171 function sendstartinglocation({ latlng: { lat, lng } }) {
172 map.fire("startinglocation", { latlng: [lat, lng] });
175 function startingLocationListener({ latlng }) {
176 if (endpoints[0].value) return;
177 endpoints[0].setValue(latlng.join(", "));
180 map.on("locationfound", ({ latlng: { lat, lng } }) =>
181 lastLocation = [lat, lng]
182 ).on("locateactivate", () => {
183 map.once("startinglocation", startingLocationListener);
186 function initializeFromParams() {
187 const params = new URLSearchParams(location.search),
188 route = (params.get("route") || "").split(";");
190 if (params.has("engine")) setEngine(params.get("engine"));
192 endpoints[0].setValue(params.get("from") || route[0] || lastLocation.join(", "));
193 endpoints[1].setValue(params.get("to") || route[1] || "");
196 function enableListeners() {
197 $("#sidebar .sidebar-close-controls button").on("click", closeButtonListener);
199 $("#map").on("dragend dragover", function (e) {
203 $("#map").on("drop", function (e) {
205 const oe = e.originalEvent;
206 const dragData = JSON.parse(oe.dataTransfer.getData("text"));
207 const type = dragData.type;
208 const pt = L.DomEvent.getMousePosition(oe, map.getContainer()); // co-ordinates of the mouse pointer at present
210 const ll = map.containerPointToLatLng(pt);
211 const llWithPrecision = OSM.cropLocation(ll, map.getZoom());
212 endpoints[type === "from" ? 0 : 1].setValue(llWithPrecision.join(", "));
215 map.on("locationfound", sendstartinglocation);
217 endpoints[0].enableListeners();
218 endpoints[1].enableListeners();
223 function sidebarLoaded() {
224 if ($("#directions_route").length) {
225 sidebarReadyPromise = null;
226 return Promise.resolve();
228 if (sidebarReadyPromise) return sidebarReadyPromise;
229 sidebarReadyPromise = new Promise(resolve => OSM.loadSidebarContent("/directions", resolve));
230 return sidebarReadyPromise;
233 page.pushstate = page.popstate = page.load = function () {
234 initializeFromParams();
236 $(".search_form").hide();
237 $(".directions_form").show();
239 sidebarLoaded().then(enableListeners);
241 map.setSidebarOverlaid(!endpoints[0].latlng || !endpoints[1].latlng);
244 page.unload = function () {
245 $(".search_form").show();
246 $(".directions_form").hide();
248 $("#sidebar .sidebar-close-controls button").off("click", closeButtonListener);
249 $("#map").off("dragend dragover drop");
250 map.off("locationfound", sendstartinglocation);
252 endpoints[0].disableListeners();
253 endpoints[1].disableListeners();
255 endpoints[0].clearValue();
256 endpoints[1].clearValue();
258 routeOutput.remove();
260 sidebarReadyPromise = null;
266 OSM.Directions.engines = [];
268 OSM.Directions.addEngine = function (engine, supportsHTTPS) {
269 if (location.protocol === "http:" || supportsHTTPS) {
270 engine.id = engine.provider + "_" + engine.mode;
271 OSM.Directions.engines.push(engine);