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 scheduledRouteArguments = 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 $(".search_form input[name='query']").val(endpoints[1].value);
59 OSM.router.route("/" + OSM.formatHash(map));
62 function setEngine(id) {
63 const engines = OSM.Directions.engines;
64 const desired = engines.find(engine => engine.id === id);
65 if (!desired || (chosenEngine && chosenEngine.id === id)) return;
66 chosenEngine = desired;
69 .filter(engine => engine.provider === chosenEngine.provider)
70 .map(engine => engine.mode);
73 .prop("disabled", function () {
74 return !modes.includes(this.id);
76 .prop("checked", function () {
77 return this.id === chosenEngine.mode;
80 const providers = engines
81 .filter(engine => engine.mode === chosenEngine.mode)
82 .map(engine => engine.provider);
84 .find("option[value]")
85 .prop("disabled", function () {
86 return !providers.includes(this.value);
88 select.val(chosenEngine.provider);
91 function getRoute(...routeArguments) {
92 if ($("#directions_route").length) {
93 getScheduledRoute(...routeArguments);
95 scheduledRouteArguments = routeArguments;
99 function getScheduledRoute(fitRoute, reportErrors) {
100 // Cancel any route that is already in progress
101 if (controller) controller.abort();
103 const points = endpoints.map(p => p.latlng);
105 if (!points[0] || !points[1]) return;
106 $("header").addClass("closed");
108 OSM.router.replace("/directions?" + new URLSearchParams({
109 engine: chosenEngine.id,
110 route: points.map(p => `${p.lat},${p.lng}`).join(";")
113 $("#directions_loader").prop("hidden", false);
114 $("#directions_error").prop("hidden", true).empty();
115 $("#directions_route").prop("hidden", true);
116 map.setSidebarOverlaid(false);
117 controller = new AbortController();
118 chosenEngine.getRoute(points, controller.signal).then(function (route) {
119 $("#directions_route").prop("hidden", false);
120 routeOutput.write(route);
124 }).catch(function () {
125 routeOutput.remove();
127 $("#directions_error")
128 .prop("hidden", false)
129 .html("<div class=\"alert alert-danger\">" + OSM.i18n.t("javascripts.directions.errors.no_route") + "</div>");
131 }).finally(function () {
132 $("#directions_loader").prop("hidden", true);
137 function closeButtonListener(e) {
139 routeOutput.remove();
140 map.setSidebarOverlaid(true);
141 // TODO: collapse width of sidebar back to previous
144 setEngine("fossgis_osrm_car");
145 setEngine(Cookies.get("_osm_directions_engine"));
147 modeGroup.on("change", "input[name='modes']", function (e) {
148 setEngine(chosenEngine.provider + "_" + e.target.id);
149 Cookies.set("_osm_directions_engine", chosenEngine.id, { secure: true, expires: expiry, path: "/", samesite: "lax" });
150 getRoute(true, true);
153 select.on("change", function (e) {
154 setEngine(e.target.value + "_" + chosenEngine.mode);
155 Cookies.set("_osm_directions_engine", chosenEngine.id, { secure: true, expires: expiry, path: "/", samesite: "lax" });
156 getRoute(true, true);
159 $(".directions_form").on("submit", function (e) {
161 getRoute(true, true);
164 $(".routing_marker_column img").on("dragstart", function (e) {
165 const dt = e.originalEvent.dataTransfer;
166 dt.effectAllowed = "move";
167 const dragData = { type: $(this).data("type") };
168 dt.setData("text", JSON.stringify(dragData));
169 if (dt.setDragImage) {
170 const img = $("<img>").attr("src", $(e.originalEvent.target).attr("src"));
171 dt.setDragImage(img.get(0), 12, 21);
175 function sendstartinglocation({ latlng: { lat, lng } }) {
176 map.fire("startinglocation", { latlng: [lat, lng] });
179 function startingLocationListener({ latlng }) {
180 if (endpoints[0].value) return;
181 endpoints[0].setValue(latlng.join(", "));
184 map.on("locationfound", ({ latlng: { lat, lng } }) =>
185 lastLocation = [lat, lng]
186 ).on("locateactivate", () => {
187 map.once("startinglocation", startingLocationListener);
190 function initializeFromParams() {
191 const params = new URLSearchParams(location.search),
192 route = (params.get("route") || "").split(";");
194 if (params.has("engine")) setEngine(params.get("engine"));
196 endpoints[0].setValue(params.get("from") || route[0] || lastLocation.join(", "));
197 endpoints[1].setValue(params.get("to") || route[1] || "");
200 function enableListeners() {
201 $("#sidebar .sidebar-close-controls button").on("click", closeButtonListener);
203 $("#map").on("dragend dragover", function (e) {
207 $("#map").on("drop", function (e) {
209 const oe = e.originalEvent;
210 const dragData = JSON.parse(oe.dataTransfer.getData("text"));
211 const type = dragData.type;
212 const pt = L.DomEvent.getMousePosition(oe, map.getContainer()); // co-ordinates of the mouse pointer at present
214 const ll = map.containerPointToLatLng(pt);
215 const llWithPrecision = OSM.cropLocation(ll, map.getZoom());
216 endpoints[type === "from" ? 0 : 1].setValue(llWithPrecision.join(", "));
219 map.on("locationfound", sendstartinglocation);
221 endpoints[0].enableListeners();
222 endpoints[1].enableListeners();
227 page.pushstate = page.popstate = function () {
230 if ($("#directions_route").length) return;
232 OSM.loadSidebarContent("/directions", () => {
233 if (scheduledRouteArguments) {
234 getScheduledRoute(...scheduledRouteArguments);
235 scheduledRouteArguments = null;
239 map.setSidebarOverlaid(!endpoints[0].latlng || !endpoints[1].latlng);
242 page.load = function () {
243 initializeFromParams();
245 $(".search_form").hide();
246 $(".directions_form").show();
250 map.setSidebarOverlaid(!endpoints[0].latlng || !endpoints[1].latlng);
253 page.unload = function () {
254 $(".search_form").show();
255 $(".directions_form").hide();
257 $("#sidebar .sidebar-close-controls button").off("click", closeButtonListener);
258 $("#map").off("dragend dragover drop");
259 map.off("locationfound", sendstartinglocation);
261 endpoints[0].disableListeners();
262 endpoints[1].disableListeners();
264 endpoints[0].clearValue();
265 endpoints[1].clearValue();
267 routeOutput.remove();
269 scheduledRouteArguments = null;
275 OSM.Directions.engines = [];
277 OSM.Directions.addEngine = function (engine, supportsHTTPS) {
278 if (location.protocol === "http:" || supportsHTTPS) {
279 engine.id = engine.provider + "_" + engine.mode;
280 OSM.Directions.engines.push(engine);