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 var viewbox = map.getBounds().toBBoxString(); // <sw lon>,<sw lat>,<ne lon>,<ne lat>
110 $.getJSON(OSM.NOMINATIM_URL + "search?q=" + encodeURIComponent(endpoint.value) + "&format=json&viewbox=" + viewbox, function (json) {
111 endpoint.awaitingGeocode = false;
112 endpoint.hasGeocode = true;
113 if (json.length === 0) {
114 input.addClass("error");
115 alert(I18n.t("javascripts.directions.errors.no_place", { place: endpoint.value }));
119 endpoint.setLatLng(L.latLng(json[0]));
121 input.val(json[0].display_name);
123 if (awaitingGeocode) {
124 awaitingGeocode = false;
125 getRoute(true, true);
130 endpoint.setLatLng = function (ll) {
131 var precision = OSM.zoomPrecision(map.getZoom());
132 input.val(ll.lat.toFixed(precision) + ", " + ll.lng.toFixed(precision));
133 endpoint.hasGeocode = true;
134 endpoint.latlng = ll;
143 $(".directions_form .reverse_directions").on("click", function () {
144 var from = endpoints[0].latlng,
145 to = endpoints[1].latlng;
147 OSM.router.route("/directions?" + querystring.stringify({
148 from: $("#route_to").val(),
149 to: $("#route_from").val(),
150 route: to.lat + "," + to.lng + ";" + from.lat + "," + from.lng
154 $(".directions_form .close").on("click", function (e) {
156 var route_from = endpoints[0].value;
158 OSM.router.route("/?query=" + encodeURIComponent(route_from) + OSM.formatHash(map));
160 OSM.router.route("/" + OSM.formatHash(map));
164 function formatDistance(m) {
166 return Math.round(m) + "m";
167 } else if (m < 10000) {
168 return (m / 1000.0).toFixed(1) + "km";
170 return Math.round(m / 1000) + "km";
174 function formatTime(s) {
175 var m = Math.round(s / 60);
176 var h = Math.floor(m / 60);
178 return h + ":" + (m < 10 ? "0" : "") + m;
181 function findEngine(id) {
182 return engines.findIndex(function (engine) {
183 return engine.id === id;
187 function setEngine(index) {
188 chosenEngine = engines[index];
192 function getRoute(fitRoute, reportErrors) {
193 // Cancel any route that is already in progress
194 if (awaitingRoute) awaitingRoute.abort();
196 // go fetch geocodes for any endpoints which have not already
198 for (var ep_i = 0; ep_i < 2; ++ep_i) {
199 var endpoint = endpoints[ep_i];
200 if (!endpoint.hasGeocode && !endpoint.awaitingGeocode) {
201 endpoint.getGeocode();
202 awaitingGeocode = true;
205 if (endpoints[0].awaitingGeocode || endpoints[1].awaitingGeocode) {
206 awaitingGeocode = true;
210 var o = endpoints[0].latlng,
211 d = endpoints[1].latlng;
213 if (!o || !d) return;
214 $("header").addClass("closed");
216 var precision = OSM.zoomPrecision(map.getZoom());
218 OSM.router.replace("/directions?" + querystring.stringify({
219 engine: chosenEngine.id,
220 route: o.lat.toFixed(precision) + "," + o.lng.toFixed(precision) + ";" +
221 d.lat.toFixed(precision) + "," + d.lng.toFixed(precision)
224 // copy loading item to sidebar and display it. we copy it, rather than
225 // just using it in-place and replacing it in case it has to be used
227 $("#sidebar_content").html($(".directions_form .loader_copy").html());
228 map.setSidebarOverlaid(false);
230 awaitingRoute = chosenEngine.getRoute([o, d], function (err, route) {
231 awaitingRoute = null;
234 map.removeLayer(polyline);
237 $("#sidebar_content").html("<p class=\"search_results_error\">" + I18n.t("javascripts.directions.errors.no_route") + "</p>");
244 .setLatLngs(route.line)
248 map.fitBounds(polyline.getBounds().pad(0.05));
251 var html = "<h2><a class=\"geolink\" href=\"#\">" +
252 "<span class=\"icon close\"></span></a>" + I18n.t("javascripts.directions.directions") +
253 "</h2><p id=\"routing_summary\">" +
254 I18n.t("javascripts.directions.distance") + ": " + formatDistance(route.distance) + ". " +
255 I18n.t("javascripts.directions.time") + ": " + formatTime(route.time) + ".";
256 if (typeof route.ascend !== "undefined" && typeof route.descend !== "undefined") {
258 I18n.t("javascripts.directions.ascend") + ": " + Math.round(route.ascend) + "m. " +
259 I18n.t("javascripts.directions.descend") + ": " + Math.round(route.descend) + "m.";
261 html += "</p><table id=\"turnbyturn\" />";
263 $("#sidebar_content")
267 route.steps.forEach(function (step) {
270 instruction = step[2],
276 } else if (dist < 200) {
277 dist = String(Math.round(dist / 10) * 10) + "m";
278 } else if (dist < 1500) {
279 dist = String(Math.round(dist / 100) * 100) + "m";
280 } else if (dist < 5000) {
281 dist = String(Math.round(dist / 100) / 10) + "km";
283 dist = String(Math.round(dist / 1000)) + "km";
286 var row = $("<tr class='turn'/>");
287 row.append("<td><div class='direction i" + direction + "'/></td> ");
288 row.append("<td class='instruction'>" + instruction);
289 row.append("<td class='distance'>" + dist);
291 row.on("click", function () {
294 .setContent("<p>" + instruction + "</p>")
298 row.hover(function () {
303 map.removeLayer(highlight);
306 $("#turnbyturn").append(row);
309 $("#sidebar_content").append("<p id=\"routing_credit\">" +
310 I18n.t("javascripts.directions.instructions.courtesy", { link: chosenEngine.creditline }) +
313 $("#sidebar_content a.geolink").on("click", function (e) {
315 map.removeLayer(polyline);
316 $("#sidebar_content").html("");
317 map.setSidebarOverlaid(true);
318 // TODO: collapse width of sidebar back to previous
323 var chosenEngineIndex = findEngine("fossgis_osrm_car");
324 if ($.cookie("_osm_directions_engine")) {
325 chosenEngineIndex = findEngine($.cookie("_osm_directions_engine"));
327 setEngine(chosenEngineIndex);
329 select.on("change", function (e) {
330 chosenEngine = engines[e.target.selectedIndex];
331 $.cookie("_osm_directions_engine", chosenEngine.id, { expires: expiry, path: "/" });
332 if (map.hasLayer(polyline)) {
333 getRoute(true, true);
337 $(".directions_form").on("submit", function (e) {
339 getRoute(true, true);
342 $(".routing_marker").on("dragstart", function (e) {
343 var dt = e.originalEvent.dataTransfer;
344 dt.effectAllowed = "move";
345 var dragData = { type: $(this).data("type") };
346 dt.setData("text", JSON.stringify(dragData));
347 if (dt.setDragImage) {
348 var img = $("<img>").attr("src", $(e.originalEvent.target).attr("src"));
349 dt.setDragImage(img.get(0), 12, 21);
355 page.pushstate = page.popstate = function () {
356 $(".search_form").hide();
357 $(".directions_form").show();
359 $("#map").on("dragend dragover", function (e) {
363 $("#map").on("drop", function (e) {
365 var oe = e.originalEvent;
366 var dragData = JSON.parse(oe.dataTransfer.getData("text"));
367 var type = dragData.type;
368 var pt = L.DomEvent.getMousePosition(oe, map.getContainer()); // co-ordinates of the mouse pointer at present
370 var ll = map.containerPointToLatLng(pt);
371 endpoints[type === "from" ? 0 : 1].setLatLng(ll);
372 getRoute(true, true);
375 var params = querystring.parse(location.search.substring(1)),
376 route = (params.route || "").split(";"),
377 from = route[0] && L.latLng(route[0].split(",")),
378 to = route[1] && L.latLng(route[1].split(","));
381 var engineIndex = findEngine(params.engine);
383 if (engineIndex >= 0) {
384 setEngine(engineIndex);
388 endpoints[0].setValue(params.from || "", from);
389 endpoints[1].setValue(params.to || "", to);
391 map.setSidebarOverlaid(!from || !to);
393 getRoute(true, true);
396 page.load = function () {
400 page.unload = function () {
401 $(".search_form").show();
402 $(".directions_form").hide();
403 $("#map").off("dragend dragover drop");
407 .removeLayer(polyline)
408 .removeLayer(endpoints[0].marker)
409 .removeLayer(endpoints[1].marker);
415 OSM.Directions.engines = [];
417 OSM.Directions.addEngine = function (engine, supportsHTTPS) {
418 if (document.location.protocol === "http:" || supportsHTTPS) {
419 OSM.Directions.engines.push(engine);