1 //= require ./directions-endpoint
3 //= require_tree ./directions
5 OSM.Directions = function (map) {
6 let controller = null; // the AbortController for the current route request if a route request is in progress
10 const popup = L.popup({ autoPanPadding: [100, 100] });
12 const polyline = L.polyline([], {
18 const highlight = L.polyline([], {
24 const endpointDragCallback = function (dragging) {
25 if (!map.hasLayer(polyline)) return;
26 if (dragging && !chosenEngine.draggable) return;
27 if (dragging && controller) return;
29 getRoute(false, !dragging);
31 const endpointChangeCallback = function () {
36 OSM.DirectionsEndpoint(map, $("input[name='route_from']"), OSM.MARKER_GREEN, endpointDragCallback, endpointChangeCallback),
37 OSM.DirectionsEndpoint(map, $("input[name='route_to']"), OSM.MARKER_RED, endpointDragCallback, endpointChangeCallback)
40 let downloadURL = null;
42 const expiry = new Date();
43 expiry.setYear(expiry.getFullYear() + 10);
45 const modeGroup = $(".routing_modes");
46 const select = $("select.routing_engines");
48 $(".directions_form .reverse_directions").on("click", function () {
49 const coordFrom = endpoints[0].latlng,
50 coordTo = endpoints[1].latlng;
54 routeFrom = coordFrom.lat + "," + coordFrom.lng;
57 routeTo = coordTo.lat + "," + coordTo.lng;
59 endpoints[0].swapCachedReverseGeocodes(endpoints[1]);
61 OSM.router.route("/directions?" + new URLSearchParams({
62 route: routeTo + ";" + routeFrom
66 $(".directions_form .btn-close").on("click", function (e) {
68 $(".describe_location").toggle(!endpoints[1].value);
69 $(".search_form input[name='query']").val(endpoints[1].value);
70 OSM.router.route("/" + OSM.formatHash(map));
73 function formatTotalDistance(m) {
75 return I18n.t("javascripts.directions.distance_m", { distance: Math.round(m) });
76 } else if (m < 10000) {
77 return I18n.t("javascripts.directions.distance_km", { distance: (m / 1000.0).toFixed(1) });
79 return I18n.t("javascripts.directions.distance_km", { distance: Math.round(m / 1000) });
83 function formatStepDistance(m) {
87 return I18n.t("javascripts.directions.distance_m", { distance: String(Math.round(m / 10) * 10) });
88 } else if (m < 1500) {
89 return I18n.t("javascripts.directions.distance_m", { distance: String(Math.round(m / 100) * 100) });
90 } else if (m < 5000) {
91 return I18n.t("javascripts.directions.distance_km", { distance: String(Math.round(m / 100) / 10) });
93 return I18n.t("javascripts.directions.distance_km", { distance: String(Math.round(m / 1000)) });
97 function formatHeight(m) {
98 return I18n.t("javascripts.directions.distance_m", { distance: Math.round(m) });
101 function formatTime(s) {
102 let m = Math.round(s / 60);
103 const h = Math.floor(m / 60);
105 return h + ":" + (m < 10 ? "0" : "") + m;
108 function setEngine(id) {
109 const engines = OSM.Directions.engines;
110 const desired = engines.find(engine => engine.id === id);
111 if (!desired || (chosenEngine && chosenEngine.id === id)) return;
112 chosenEngine = desired;
114 const modes = engines
115 .filter(engine => engine.provider === chosenEngine.provider)
116 .map(engine => engine.mode);
119 .prop("disabled", function () {
120 return !modes.includes(this.id);
122 .prop("checked", function () {
123 return this.id === chosenEngine.mode;
126 const providers = engines
127 .filter(engine => engine.mode === chosenEngine.mode)
128 .map(engine => engine.provider);
130 .find("option[value]")
131 .prop("disabled", function () {
132 return !providers.includes(this.value);
134 select.val(chosenEngine.provider);
137 function getRoute(fitRoute, reportErrors) {
138 // Cancel any route that is already in progress
139 if (controller) controller.abort();
141 const points = endpoints.map(p => p.latlng);
143 if (!points[0] || !points[1]) return;
144 $("header").addClass("closed");
146 OSM.router.replace("/directions?" + new URLSearchParams({
147 engine: chosenEngine.id,
148 route: points.map(p => OSM.cropLocation(p, map.getZoom()).join()).join(";")
151 // copy loading item to sidebar and display it. we copy it, rather than
152 // just using it in-place and replacing it in case it has to be used
154 $("#directions_content").html($(".directions_form .loader_copy").html());
155 map.setSidebarOverlaid(false);
156 controller = new AbortController();
157 chosenEngine.getRoute(points, controller.signal).then(function (route) {
159 .setLatLngs(route.line)
163 map.fitBounds(polyline.getBounds().pad(0.05));
166 const distanceText = $("<p>").append(
167 I18n.t("javascripts.directions.distance") + ": " + formatTotalDistance(route.distance) + ". " +
168 I18n.t("javascripts.directions.time") + ": " + formatTime(route.time) + ".");
169 if (typeof route.ascend !== "undefined" && typeof route.descend !== "undefined") {
172 I18n.t("javascripts.directions.ascend") + ": " + formatHeight(route.ascend) + ". " +
173 I18n.t("javascripts.directions.descend") + ": " + formatHeight(route.descend) + ".");
176 const turnByTurnTable = $("<table class='table table-hover table-sm mb-3'>")
177 .append($("<tbody>"));
179 $("#directions_content")
187 route.steps.forEach(function (step) {
188 const [ll, direction, instruction, dist, lineseg] = step;
190 const row = $("<tr class='turn'/>");
192 row.append("<td class='border-0'><svg width='20' height='20' class='d-block'><use href='#routing-sprite-" + direction + "' /></svg></td>");
194 row.append("<td class='border-0'>");
196 row.append("<td>" + instruction);
197 row.append("<td class='distance text-body-secondary text-end'>" + formatStepDistance(dist));
199 row.on("click", function () {
202 .setContent("<p>" + instruction + "</p>")
206 row.hover(function () {
211 map.removeLayer(highlight);
214 turnByTurnTable.append(row);
217 const blob = new Blob([JSON.stringify(polyline.toGeoJSON())], { type: "application/json" });
218 URL.revokeObjectURL(downloadURL);
219 downloadURL = URL.createObjectURL(blob);
221 $("#directions_content").append(`<p class="text-center"><a href="${downloadURL}" download="${
222 I18n.t("javascripts.directions.filename")
224 I18n.t("javascripts.directions.download")
227 $("#directions_content").append("<p class=\"text-center\">" +
228 I18n.t("javascripts.directions.instructions.courtesy", { link: chosenEngine.creditline }) +
230 }).catch(function () {
231 map.removeLayer(polyline);
233 $("#directions_content").html("<div class=\"alert alert-danger\">" + I18n.t("javascripts.directions.errors.no_route") + "</div>");
235 }).finally(function () {
240 function hideRoute(e) {
242 map.removeLayer(polyline);
243 $("#directions_content").html("");
245 map.setSidebarOverlaid(true);
246 // TODO: collapse width of sidebar back to previous
249 setEngine("fossgis_osrm_car");
250 setEngine(Cookies.get("_osm_directions_engine"));
252 modeGroup.on("change", "input[name='modes']", function (e) {
253 setEngine(chosenEngine.provider + "_" + e.target.id);
254 Cookies.set("_osm_directions_engine", chosenEngine.id, { secure: true, expires: expiry, path: "/", samesite: "lax" });
255 getRoute(true, true);
258 select.on("change", function (e) {
259 setEngine(e.target.value + "_" + chosenEngine.mode);
260 Cookies.set("_osm_directions_engine", chosenEngine.id, { secure: true, expires: expiry, path: "/", samesite: "lax" });
261 getRoute(true, true);
264 $(".directions_form").on("submit", function (e) {
266 getRoute(true, true);
269 $(".routing_marker_column img").on("dragstart", function (e) {
270 const dt = e.originalEvent.dataTransfer;
271 dt.effectAllowed = "move";
272 const dragData = { type: $(this).data("type") };
273 dt.setData("text", JSON.stringify(dragData));
274 if (dt.setDragImage) {
275 const img = $("<img>").attr("src", $(e.originalEvent.target).attr("src"));
276 dt.setDragImage(img.get(0), 12, 21);
280 function sendstartinglocation({ latlng: { lat, lng } }) {
281 map.fire("startinglocation", { latlng: [lat, lng] });
284 function startingLocationListener({ latlng }) {
285 if (endpoints[0].value) return;
286 endpoints[0].setValue(latlng.join(", "));
289 map.on("locationfound", ({ latlng: { lat, lng } }) =>
290 lastLocation = [lat, lng]
291 ).on("locateactivate", () => {
292 map.once("startinglocation", startingLocationListener);
295 function initializeFromParams() {
296 const params = new URLSearchParams(location.search),
297 route = (params.get("route") || "").split(";");
299 if (params.has("engine")) setEngine(params.get("engine"));
301 endpoints[0].setValue(params.get("from") || route[0] || lastLocation.join(", "));
302 endpoints[1].setValue(params.get("to") || route[1] || "");
305 function enableListeners() {
306 $("#sidebar .sidebar-close-controls button").on("click", hideRoute);
308 $("#map").on("dragend dragover", function (e) {
312 $("#map").on("drop", function (e) {
314 const oe = e.originalEvent;
315 const dragData = JSON.parse(oe.dataTransfer.getData("text"));
316 const type = dragData.type;
317 const pt = L.DomEvent.getMousePosition(oe, map.getContainer()); // co-ordinates of the mouse pointer at present
319 const ll = map.containerPointToLatLng(pt);
320 const llWithPrecision = OSM.cropLocation(ll, map.getZoom());
321 endpoints[type === "from" ? 0 : 1].setValue(llWithPrecision.join(", "));
324 map.on("locationfound", sendstartinglocation);
326 endpoints[0].enableListeners();
327 endpoints[1].enableListeners();
332 page.pushstate = page.popstate = function () {
333 if ($("#directions_content").length) {
336 initializeFromParams();
338 $(".search_form").hide();
339 $(".directions_form").show();
341 OSM.loadSidebarContent("/directions", enableListeners);
343 map.setSidebarOverlaid(!endpoints[0].latlng || !endpoints[1].latlng);
347 page.load = function () {
348 initializeFromParams();
350 $(".search_form").hide();
351 $(".directions_form").show();
355 map.setSidebarOverlaid(!endpoints[0].latlng || !endpoints[1].latlng);
358 page.unload = function () {
359 $(".search_form").show();
360 $(".directions_form").hide();
362 $("#sidebar .sidebar-close-controls button").off("click", hideRoute);
363 $("#map").off("dragend dragover drop");
364 map.off("locationfound", sendstartinglocation);
366 endpoints[0].disableListeners();
367 endpoints[1].disableListeners();
369 endpoints[0].clearValue();
370 endpoints[1].clearValue();
374 .removeLayer(polyline);
380 OSM.Directions.engines = [];
382 OSM.Directions.addEngine = function (engine, supportsHTTPS) {
383 if (location.protocol === "http:" || supportsHTTPS) {
384 engine.id = engine.provider + "_" + engine.mode;
385 OSM.Directions.engines.push(engine);