2 //= require_tree ./directions
3 //= require querystring
5 OSM.Directions = function (map) {
6 var querystring = require("querystring-component");
8 var awaitingGeocode; // true if the user has requested a route, but we're waiting on a geocode result
9 var awaitingRoute; // true if we've asked the engine for a route and are waiting to hear back
12 var popup = L.popup({ autoPanPadding: [100, 100] });
14 var polyline = L.polyline([], {
20 var highlight = L.polyline([], {
27 Endpoint($("input[name='route_from']"), OSM.MARKER_GREEN),
28 Endpoint($("input[name='route_to']"), OSM.MARKER_RED)
31 var expiry = new Date();
32 expiry.setYear(expiry.getFullYear() + 10);
34 var engines = OSM.Directions.engines;
36 engines.sort(function (a, b) {
37 var localised_a = I18n.t("javascripts.directions.engines." + a.id),
38 localised_b = I18n.t("javascripts.directions.engines." + b.id);
39 return localised_a.localeCompare(localised_b);
42 var select = $("select.routing_engines");
44 engines.forEach(function (engine, i) {
45 select.append("<option value='" + i + "'>" + I18n.t("javascripts.directions.engines." + engine.id) + "</option>");
48 function Endpoint(input, iconUrl) {
51 endpoint.marker = L.marker([0, 0], {
56 popupAnchor: [1, -34],
57 shadowUrl: OSM.MARKER_SHADOW,
64 endpoint.marker.on("drag dragend", function (e) {
65 var dragging = (e.type === "drag");
66 if (dragging && !chosenEngine.draggable) return;
67 if (dragging && awaitingRoute) return;
68 endpoint.setLatLng(e.target.getLatLng());
69 if (map.hasLayer(polyline)) {
70 getRoute(false, !dragging);
74 input.on("keydown", function () {
75 input.removeClass("error");
78 input.on("change", function (e) {
79 awaitingGeocode = true;
81 // make text the same in both text boxes
82 var value = e.target.value;
83 endpoint.setValue(value);
86 endpoint.setValue = function (value, latlng) {
87 endpoint.value = value;
88 delete endpoint.latlng;
89 input.removeClass("error");
93 endpoint.setLatLng(latlng);
95 endpoint.getGeocode();
99 endpoint.getGeocode = function () {
100 // if no one has entered a value yet, then we can't geocode, so don't
102 if (!endpoint.value) {
106 endpoint.awaitingGeocode = true;
108 $.getJSON(OSM.NOMINATIM_URL + "search?q=" + encodeURIComponent(endpoint.value) + "&format=json", function (json) {
109 endpoint.awaitingGeocode = false;
110 endpoint.hasGeocode = true;
111 if (json.length === 0) {
112 input.addClass("error");
113 alert(I18n.t("javascripts.directions.errors.no_place", { place: endpoint.value }));
117 endpoint.setLatLng(L.latLng(json[0]));
119 input.val(json[0].display_name);
121 if (awaitingGeocode) {
122 awaitingGeocode = false;
123 getRoute(true, true);
128 endpoint.setLatLng = function (ll) {
129 var precision = OSM.zoomPrecision(map.getZoom());
130 input.val(ll.lat.toFixed(precision) + ", " + ll.lng.toFixed(precision));
131 endpoint.hasGeocode = true;
132 endpoint.latlng = ll;
141 $(".directions_form .reverse_directions").on("click", function () {
142 var from = endpoints[0].latlng,
143 to = endpoints[1].latlng;
145 OSM.router.route("/directions?" + querystring.stringify({
146 from: $("#route_to").val(),
147 to: $("#route_from").val(),
148 route: to.lat + "," + to.lng + ";" + from.lat + "," + from.lng
152 $(".directions_form .close").on("click", function (e) {
154 var route_from = endpoints[0].value;
156 OSM.router.route("/?query=" + encodeURIComponent(route_from) + OSM.formatHash(map));
158 OSM.router.route("/" + OSM.formatHash(map));
162 function formatDistance(m) {
164 return Math.round(m) + "m";
165 } else if (m < 10000) {
166 return (m / 1000.0).toFixed(1) + "km";
168 return Math.round(m / 1000) + "km";
172 function formatTime(s) {
173 var m = Math.round(s / 60);
174 var h = Math.floor(m / 60);
176 return h + ":" + (m < 10 ? "0" : "") + m;
179 function findEngine(id) {
180 return engines.findIndex(function (engine) {
181 return engine.id === id;
185 function setEngine(index) {
186 chosenEngine = engines[index];
190 function getRoute(fitRoute, reportErrors) {
191 // Cancel any route that is already in progress
192 if (awaitingRoute) awaitingRoute.abort();
194 // go fetch geocodes for any endpoints which have not already
196 for (var ep_i = 0; ep_i < 2; ++ep_i) {
197 var endpoint = endpoints[ep_i];
198 if (!endpoint.hasGeocode && !endpoint.awaitingGeocode) {
199 endpoint.getGeocode();
200 awaitingGeocode = true;
203 if (endpoints[0].awaitingGeocode || endpoints[1].awaitingGeocode) {
204 awaitingGeocode = true;
208 var o = endpoints[0].latlng,
209 d = endpoints[1].latlng;
211 if (!o || !d) return;
212 $("header").addClass("closed");
214 var precision = OSM.zoomPrecision(map.getZoom());
216 OSM.router.replace("/directions?" + querystring.stringify({
217 engine: chosenEngine.id,
218 route: o.lat.toFixed(precision) + "," + o.lng.toFixed(precision) + ";" +
219 d.lat.toFixed(precision) + "," + d.lng.toFixed(precision)
222 // copy loading item to sidebar and display it. we copy it, rather than
223 // just using it in-place and replacing it in case it has to be used
225 $("#sidebar_content").html($(".directions_form .loader_copy").html());
226 map.setSidebarOverlaid(false);
228 awaitingRoute = chosenEngine.getRoute([o, d], function (err, route) {
229 awaitingRoute = null;
232 map.removeLayer(polyline);
235 $("#sidebar_content").html("<p class=\"search_results_error\">" + I18n.t("javascripts.directions.errors.no_route") + "</p>");
242 .setLatLngs(route.line)
246 map.fitBounds(polyline.getBounds().pad(0.05));
249 var html = "<h2><a class=\"geolink\" href=\"#\">" +
250 "<span class=\"icon close\"></span></a>" + I18n.t("javascripts.directions.directions") +
251 "</h2><p id=\"routing_summary\">" +
252 I18n.t("javascripts.directions.distance") + ": " + formatDistance(route.distance) + ". " +
253 I18n.t("javascripts.directions.time") + ": " + formatTime(route.time) + ".";
254 if (typeof route.ascend !== "undefined" && typeof route.descend !== "undefined") {
256 I18n.t("javascripts.directions.ascend") + ": " + Math.round(route.ascend) + "m. " +
257 I18n.t("javascripts.directions.descend") + ": " + Math.round(route.descend) + "m.";
259 html += "</p><table id=\"turnbyturn\" />";
261 $("#sidebar_content")
265 route.steps.forEach(function (step) {
268 instruction = step[2],
274 } else if (dist < 200) {
275 dist = String(Math.round(dist / 10) * 10) + "m";
276 } else if (dist < 1500) {
277 dist = String(Math.round(dist / 100) * 100) + "m";
278 } else if (dist < 5000) {
279 dist = String(Math.round(dist / 100) / 10) + "km";
281 dist = String(Math.round(dist / 1000)) + "km";
284 var row = $("<tr class='turn'/>");
285 row.append("<td><div class='direction i" + direction + "'/></td> ");
286 row.append("<td class='instruction'>" + instruction);
287 row.append("<td class='distance'>" + dist);
289 row.on("click", function () {
292 .setContent("<p>" + instruction + "</p>")
296 row.hover(function () {
301 map.removeLayer(highlight);
304 $("#turnbyturn").append(row);
307 $("#sidebar_content").append("<p id=\"routing_credit\">" +
308 I18n.t("javascripts.directions.instructions.courtesy", { link: chosenEngine.creditline }) +
311 $("#sidebar_content a.geolink").on("click", function (e) {
313 map.removeLayer(polyline);
314 $("#sidebar_content").html("");
315 map.setSidebarOverlaid(true);
316 // TODO: collapse width of sidebar back to previous
321 var chosenEngineIndex = findEngine("fossgis_osrm_car");
322 if ($.cookie("_osm_directions_engine")) {
323 chosenEngineIndex = findEngine($.cookie("_osm_directions_engine"));
325 setEngine(chosenEngineIndex);
327 select.on("change", function (e) {
328 chosenEngine = engines[e.target.selectedIndex];
329 $.cookie("_osm_directions_engine", chosenEngine.id, { expires: expiry, path: "/" });
330 if (map.hasLayer(polyline)) {
331 getRoute(true, true);
335 $(".directions_form").on("submit", function (e) {
337 getRoute(true, true);
340 $(".routing_marker").on("dragstart", function (e) {
341 var dt = e.originalEvent.dataTransfer;
342 dt.effectAllowed = "move";
343 var dragData = { type: $(this).data("type") };
344 dt.setData("text", JSON.stringify(dragData));
345 if (dt.setDragImage) {
346 var img = $("<img>").attr("src", $(e.originalEvent.target).attr("src"));
347 dt.setDragImage(img.get(0), 12, 21);
353 page.pushstate = page.popstate = function () {
354 $(".search_form").hide();
355 $(".directions_form").show();
357 $("#map").on("dragend dragover", function (e) {
361 $("#map").on("drop", function (e) {
363 var oe = e.originalEvent;
364 var dragData = JSON.parse(oe.dataTransfer.getData("text"));
365 var type = dragData.type;
366 var pt = L.DomEvent.getMousePosition(oe, map.getContainer()); // co-ordinates of the mouse pointer at present
368 var ll = map.containerPointToLatLng(pt);
369 endpoints[type === "from" ? 0 : 1].setLatLng(ll);
370 getRoute(true, true);
373 var params = querystring.parse(location.search.substring(1)),
374 route = (params.route || "").split(";"),
375 from = route[0] && L.latLng(route[0].split(",")),
376 to = route[1] && L.latLng(route[1].split(","));
379 var engineIndex = findEngine(params.engine);
381 if (engineIndex >= 0) {
382 setEngine(engineIndex);
386 endpoints[0].setValue(params.from || "", from);
387 endpoints[1].setValue(params.to || "", to);
389 map.setSidebarOverlaid(!from || !to);
391 getRoute(true, true);
394 page.load = function () {
398 page.unload = function () {
399 $(".search_form").show();
400 $(".directions_form").hide();
401 $("#map").off("dragend dragover drop");
405 .removeLayer(polyline)
406 .removeLayer(endpoints[0].marker)
407 .removeLayer(endpoints[1].marker);
413 OSM.Directions.engines = [];
415 OSM.Directions.addEngine = function (engine, supportsHTTPS) {
416 if (document.location.protocol === "http:" || supportsHTTPS) {
417 OSM.Directions.engines.push(engine);