2 //= require_tree ./directions
4 OSM.Directions = function (map) {
5 var awaitingGeocode; // true if the user has requested a route, but we're waiting on a geocode result
6 var awaitingRoute; // true if we've asked the engine for a route and are waiting to hear back
9 var popup = L.popup({autoPanPadding: [100, 100]});
11 var polyline = L.polyline([], {
17 var highlight = L.polyline([], {
24 Endpoint($("input[name='route_from']"), OSM.MARKER_GREEN),
25 Endpoint($("input[name='route_to']"), OSM.MARKER_RED)
28 var expiry = new Date();
29 expiry.setYear(expiry.getFullYear() + 10);
31 function Endpoint(input, iconUrl) {
34 endpoint.marker = L.marker([0, 0], {
39 popupAnchor: [1, -34],
40 shadowUrl: OSM.MARKER_SHADOW,
46 endpoint.marker.on('drag dragend', function (e) {
47 var dragging = (e.type === 'drag');
48 if (dragging && !chosenEngine.draggable) return;
49 if (dragging && awaitingRoute) return;
50 endpoint.setLatLng(e.target.getLatLng());
51 if (map.hasLayer(polyline)) {
52 getRoute(false, !dragging);
56 input.on("change", function (e) {
57 awaitingGeocode = true;
59 // make text the same in both text boxes
60 var value = e.target.value;
61 endpoint.setValue(value);
64 endpoint.setValue = function(value, latlng) {
65 endpoint.value = value;
66 delete endpoint.latlng;
70 endpoint.setLatLng(latlng);
72 endpoint.getGeocode();
76 endpoint.getGeocode = function() {
77 // if no one has entered a value yet, then we can't geocode, so don't
79 if (!endpoint.value) {
83 endpoint.awaitingGeocode = true;
85 $.getJSON(OSM.NOMINATIM_URL + 'search?q=' + encodeURIComponent(endpoint.value) + '&format=json', function (json) {
86 endpoint.awaitingGeocode = false;
87 endpoint.hasGeocode = true;
88 if (json.length === 0) {
89 alert(I18n.t('javascripts.directions.errors.no_place'));
93 endpoint.setLatLng(L.latLng(json[0]));
95 input.val(json[0].display_name);
97 if (awaitingGeocode) {
98 awaitingGeocode = false;
104 endpoint.setLatLng = function (ll) {
105 var precision = OSM.zoomPrecision(map.getZoom());
106 input.val(ll.lat.toFixed(precision) + ", " + ll.lng.toFixed(precision));
107 endpoint.hasGeocode = true;
108 endpoint.latlng = ll;
117 $(".directions_form .reverse_directions").on("click", function() {
118 var from = endpoints[0].latlng,
119 to = endpoints[1].latlng;
121 OSM.router.route("/directions?" + querystring.stringify({
122 from: $("#route_to").val(),
123 to: $("#route_from").val(),
124 route: to.lat + "," + to.lng + ";" + from.lat + "," + from.lng
128 $(".directions_form .close").on("click", function(e) {
130 var route_from = endpoints[0].value;
132 OSM.router.route("/?query=" + encodeURIComponent(route_from) + OSM.formatHash(map));
134 OSM.router.route("/" + OSM.formatHash(map));
138 function formatDistance(m) {
140 return Math.round(m) + "m";
141 } else if (m < 10000) {
142 return (m / 1000.0).toFixed(1) + "km";
144 return Math.round(m / 1000) + "km";
148 function formatTime(s) {
149 var m = Math.round(s / 60);
150 var h = Math.floor(m / 60);
152 return h + ":" + (m < 10 ? '0' : '') + m;
155 function setEngine(id) {
156 engines.forEach(function(engine, i) {
157 if (engine.id === id) {
158 chosenEngine = engine;
164 function getRoute(fitRoute, reportErrors) {
165 // Cancel any route that is already in progress
166 if (awaitingRoute) awaitingRoute.abort();
168 // go fetch geocodes for any endpoints which have not already
170 for (var ep_i = 0; ep_i < 2; ++ep_i) {
171 var endpoint = endpoints[ep_i];
172 if (!endpoint.hasGeocode && !endpoint.awaitingGeocode) {
173 endpoint.getGeocode();
174 awaitingGeocode = true;
177 if (endpoints[0].awaitingGeocode || endpoints[1].awaitingGeocode) {
178 awaitingGeocode = true;
182 var o = endpoints[0].latlng,
183 d = endpoints[1].latlng;
185 if (!o || !d) return;
186 $("header").addClass("closed");
188 var precision = OSM.zoomPrecision(map.getZoom());
190 OSM.router.replace("/directions?" + querystring.stringify({
191 engine: chosenEngine.id,
192 route: o.lat.toFixed(precision) + ',' + o.lng.toFixed(precision) + ';' +
193 d.lat.toFixed(precision) + ',' + d.lng.toFixed(precision)
196 // copy loading item to sidebar and display it. we copy it, rather than
197 // just using it in-place and replacing it in case it has to be used
199 $('#sidebar_content').html($('.directions_form .loader_copy').html());
200 map.setSidebarOverlaid(false);
202 awaitingRoute = chosenEngine.getRoute([o, d], function (err, route) {
203 awaitingRoute = null;
206 map.removeLayer(polyline);
209 $('#sidebar_content').html('<p class="search_results_error">' + I18n.t('javascripts.directions.errors.no_route') + '</p>');
216 .setLatLngs(route.line)
220 map.fitBounds(polyline.getBounds().pad(0.05));
223 var html = '<h2><a class="geolink" href="#">' +
224 '<span class="icon close"></span></a>' + I18n.t('javascripts.directions.directions') +
225 '</h2><p id="routing_summary">' +
226 I18n.t('javascripts.directions.distance') + ': ' + formatDistance(route.distance) + '. ' +
227 I18n.t('javascripts.directions.time') + ': ' + formatTime(route.time) + '.';
228 if (typeof route.ascend !== 'undefined' && typeof route.descend !== 'undefined') {
230 I18n.t('javascripts.directions.ascend') + ': ' + Math.round(route.ascend) + 'm. ' +
231 I18n.t('javascripts.directions.descend') + ': ' + Math.round(route.descend) +'m.';
233 html += '</p><table id="turnbyturn" />';
235 $('#sidebar_content')
240 route.steps.forEach(function (step) {
243 instruction = step[2],
251 } else if (dist < 200) {
252 dist = Math.round(dist / 10) * 10 + "m";
253 } else if (dist < 1500) {
254 dist = Math.round(dist / 100) * 100 + "m";
255 } else if (dist < 5000) {
256 dist = Math.round(dist / 100) / 10 + "km";
258 dist = Math.round(dist / 1000) + "km";
261 var row = $("<tr class='turn'/>");
262 row.append("<td><div class='direction i" + direction + "'/></td> ");
263 row.append("<td class='instruction'>" + instruction);
264 row.append("<td class='distance'>" + dist);
266 row.on('click', function () {
269 .setContent("<p>" + instruction + "</p>")
273 row.hover(function () {
278 map.removeLayer(highlight);
281 $('#turnbyturn').append(row);
284 $('#sidebar_content').append('<p id="routing_credit">' +
285 I18n.t('javascripts.directions.instructions.courtesy', {link: chosenEngine.creditline}) +
288 $('#sidebar_content a.geolink').on('click', function(e) {
290 map.removeLayer(polyline);
291 $('#sidebar_content').html('');
292 map.setSidebarOverlaid(true);
293 // TODO: collapse width of sidebar back to previous
298 var engines = OSM.Directions.engines;
300 engines.sort(function (a, b) {
301 a = I18n.t('javascripts.directions.engines.' + a.id);
302 b = I18n.t('javascripts.directions.engines.' + b.id);
303 return a.localeCompare(b);
306 var select = $('select.routing_engines');
308 engines.forEach(function(engine, i) {
309 select.append("<option value='" + i + "'>" + I18n.t('javascripts.directions.engines.' + engine.id) + "</option>");
312 var chosenEngineId = $.cookie('_osm_directions_engine');
313 if(!chosenEngineId) {
314 chosenEngineId = 'osrm_car';
316 setEngine(chosenEngineId);
318 select.on("change", function (e) {
319 chosenEngine = engines[e.target.selectedIndex];
320 $.cookie('_osm_directions_engine', chosenEngine.id, { expires: expiry, path: '/' });
321 if (map.hasLayer(polyline)) {
322 getRoute(true, true);
326 $(".directions_form").on("submit", function(e) {
328 getRoute(true, true);
331 $(".routing_marker").on('dragstart', function (e) {
332 var dt = e.originalEvent.dataTransfer;
333 dt.effectAllowed = 'move';
334 var dragData = { type: $(this).data('type') };
335 dt.setData('text', JSON.stringify(dragData));
336 if (dt.setDragImage) {
337 var img = $("<img>").attr("src", $(e.originalEvent.target).attr("src"));
338 dt.setDragImage(img.get(0), 12, 21);
344 page.pushstate = page.popstate = function() {
345 $(".search_form").hide();
346 $(".directions_form").show();
348 $("#map").on('dragend dragover', function (e) {
352 $("#map").on('drop', function (e) {
354 var oe = e.originalEvent;
355 var dragData = JSON.parse(oe.dataTransfer.getData('text'));
356 var type = dragData.type;
357 var pt = L.DomEvent.getMousePosition(oe, map.getContainer()); // co-ordinates of the mouse pointer at present
359 var ll = map.containerPointToLatLng(pt);
360 endpoints[type === 'from' ? 0 : 1].setLatLng(ll);
361 getRoute(true, true);
364 var params = querystring.parse(location.search.substring(1)),
365 route = (params.route || '').split(';'),
366 from = route[0] && L.latLng(route[0].split(',')),
367 to = route[1] && L.latLng(route[1].split(','));
370 setEngine(params.engine);
373 endpoints[0].setValue(params.from || "", from);
374 endpoints[1].setValue(params.to || "", to);
376 map.setSidebarOverlaid(!from || !to);
378 getRoute(true, true);
381 page.load = function() {
385 page.unload = function() {
386 $(".search_form").show();
387 $(".directions_form").hide();
388 $("#map").off('dragend dragover drop');
392 .removeLayer(polyline)
393 .removeLayer(endpoints[0].marker)
394 .removeLayer(endpoints[1].marker);
400 OSM.Directions.engines = [];
402 OSM.Directions.addEngine = function (engine, supportsHTTPS) {
403 if (document.location.protocol === "http:" || supportsHTTPS) {
404 OSM.Directions.engines.push(engine);