";
- instText+=TURN_INSTRUCTIONS[instCodes[0]];
- if (instCodes[1]) { instText+="exit "+instCodes[1]+" "; }
- if (instCodes[0]!=15) { instText+=step[1] ? ""+step[1]+"" : "(unnamed)"; }
- // Distance
- var dist=step[2];
- if (dist<5) { dist=""; }
- else if (dist<200) { dist=Math.round(dist/10)*10+"m"; }
- else if (dist<1500) { dist=Math.round(dist/100)*100+"m"; }
- else if (dist<5000) { dist=Math.round(dist/100)/10+"km"; }
- else { dist=Math.round(dist/1000)+"km"; }
- // Add to table
- var row=$("|
");
- row.append(" ");
- row.append(" | "+instText);
- row.append(" | "+dist);
- with ({num: i, dist: step[3]}) {
- row.on('click',function(e) {
- r.clickTurn(num, r.polyline.getLatLngs()[dist]);
- });
- };
- $('#turnbyturn').append(row);
- cumulative+=step[2];
- }
- };
- r.clickTurn=function(num,latlng) {
- L.popup().setLatLng(latlng).setContent(" "+(num+1)+" ").openOn(r.map);
- };
-
-
- // Close all routing UI
-
- r.close=function() {
- $("#content").addClass("overlay-sidebar");
- if (r.polyline) map.removeLayer(r.polyline);
- };
-
- // Add engines
-
- r.engines=[];
- r.addEngine=function(engine) {
- // Save engine
- var i=r.engines.length;
- engine.subscript=i;
- r['engine'+i]=engine;
- r.engines.push(engine);
-
- // Add generic JSONP function
- engine.requestJSONP=function(url) {
- var script = document.createElement('script');
- script.src = url+"&jsonp="+r.name+".engine"+this.subscript+".gotRoute";
- // OSRM doesn't like non-alphanumeric, otherwise we could just do OSM.routing.engines["+engine.subscript+"].gotRoute
- document.body.appendChild(script);
- };
-
- // Populate dropdown
- var select=jqSearch.find('select.routing_engines');
- select.append("");
- };
-
- // OSRM car engine
- // *** this should all be shared from an OSRM library somewhere
- // *** need to clear hints at some point
-
- r.addEngine({
- name: 'Car (OSRM)',
- draggable: true,
- _hints: {},
- getRoute: function(final,points) {
- var url="http://router.project-osrm.org/viaroute?z=14&output=json";
- for (var i=0; i,
+ iconSize: [25, 41],
+ iconAnchor: [12, 41],
+ popupAnchor: [1, -34],
+ shadowUrl: <%= asset_path('images/marker-shadow.png').to_json %>,
+ shadowSize: [41, 41]
+ });
+ var icon_to = L.icon({
+ iconUrl: <%= asset_path('marker-red.png').to_json %>,
+ iconSize: [25, 41],
+ iconAnchor: [12, 41],
+ popupAnchor: [1, -34],
+ shadowUrl: <%= asset_path('images/marker-shadow.png').to_json %>,
+ shadowSize: [41, 41]
+ });
+
+ // Geocoding
+
+ r.geocode=function(id,event) { var _this=this;
+ var field=event.target;
+ var v=event.target.value;
+ var querystring = '<%= NOMINATIM_URL %>search?q=' + encodeURIComponent(v) + '&format=json';
+ // *** &accept-language=<%#= request.user_preferred_languages.join(',') %>
+ r[field.id]=false;
+ $.getJSON(querystring, function(json) { _this._gotGeocode(json,field); });
+ };
+
+ r._gotGeocode=function(json,field) {
+ if (json.length==0) {
+ alert(I18n.t('javascripts.directions.errors.no_place'));
+ r[field.id]=null;
+ return;
+ }
+ field.value=json[0].display_name;
+ var lat=Number(json[0].lat), lon=Number(json[0].lon);
+ r[field.id]=[lat,lon];
+ r.updateMarker(field.id);
+ if (r.awaitingGeocode) {
+ r.awaitingGeocode=false;
+ r.requestRoute(true, true);
+ }
+ };
+
+ // Drag and drop markers
+
+ r.handleDrop=function(e) {
+ var oe=e.originalEvent;
+ var id=oe.dataTransfer.getData('id');
+ var pt=L.DomEvent.getMousePosition(oe,map.getContainer()); // co-ordinates of the mouse pointer at present
+ pt.x+=Number(oe.dataTransfer.getData('offsetX'));
+ pt.y+=Number(oe.dataTransfer.getData('offsetY'));
+ var ll=map.containerPointToLatLng(pt);
+ r.createMarker(ll,id);
+ r.setNumericInput(ll,id);
+ r.requestRoute(true, false);
+ // update to/from field
+ };
+ r.createMarker=function(latlng,id) {
+ if (r[id]) r.map.removeLayer(r[id]);
+ r[id]=L.marker(latlng, {
+ icon: id=='marker_from' ? icon_from : icon_to,
+ draggable: true,
+ name: id
+ }).addTo(r.map);
+ r[id].on('drag',r.markerDragged);
+ r[id].on('dragend',r.markerDragged);
+ };
+ // Update marker from geocoded route input
+ r.updateMarker=function(id) {
+ var m=id.replace('route','marker');
+ if (!r[m]) { r.createMarker(r[id],m); return; }
+ var ll=r[m].getLatLng();
+ if (ll.lat!=r[id][0] || ll.lng!=r[id][1]) {
+ r.createMarker(r[id],m);
+ }
+ };
+ // Marker has been dragged
+ r.markerDragged=function(e) {
+ r.dragging=(e.type=='drag'); // true for drag, false for dragend
+ if (r.dragging && !r.chosenEngine.draggable) return;
+ if (r.dragging && r.awaitingRoute) return;
+ r.setNumericInput(e.target.getLatLng(), e.target.options.name);
+ r.requestRoute(!r.dragging, false);
+ };
+ // Set a route input field to a numeric value
+ r.setNumericInput=function(ll,id) {
+ var routeid=id.replace('marker','route');
+ r[routeid]=[ll.lat,ll.lng];
+ $("[name="+routeid+"]:visible").val(Math.round(ll.lat*10000)/10000+" "+Math.round(ll.lng*10000)/10000);
+ }
+
+ // Route-fetching UI
+
+ r.requestRoute=function(isFinal, updateZoom) {
+ if (r.route_from && r.route_to) {
+ $(".query_wrapper.routing .spinner").show();
+ r.awaitingRoute=true;
+ r.chosenEngine.getRoute(isFinal,[r.route_from,r.route_to]);
+ if(updateZoom){
+ r.map.fitBounds(L.latLngBounds([r.route_from, r.route_to]).pad(0.05));
+ }
+ // then, when the route has been fetched, it'll call the engine's gotRoute function
+ } else if (r.route_from==false || r.route_to==false) {
+ // we're waiting for a Nominatim response before we can request a route
+ r.awaitingGeocode=true;
+ }
+ };
+
+ // Take an array of Leaflet LatLngs and draw it as a polyline
+ r.setPolyline=function(line) {
+ if (r.polyline) map.removeLayer(r.polyline);
+ r.polyline=L.polyline(line, ROUTING_POLYLINE).addTo(r.map);
+ };
+
+ // Take directions and write them out
+ // data = { steps: array of [latlng, sprite number, instruction text, distance in metres, highlightPolyline] }
+ // sprite numbers equate to OSRM's route_instructions turn values
+ r.setItinerary=function(data) {
+ // Create base table
+ $("#content").removeClass("overlay-sidebar");
+ $('#sidebar_content').empty();
+ var html=('' +
+ '' + I18n.t('javascripts.directions.directions') +
+ '' +
+ I18n.t('javascripts.directions.distance') + ': ' + r.formatDistance(data.distance)+ '. ' +
+ I18n.t('javascripts.directions.time' ) + ': ' + r.formatTime(data.time) + '. ' +
+ '').replace(/~/g,"'");
+ $('#sidebar_content').html(html);
+ // Add each row
+ var cumulative=0;
+ for (var i=0; i");
+ row.append(" ");
+ row.append(" | "+step[2]);
+ row.append(" | "+dist);
+ with ({ instruction: step[2], ll: step[0], lineseg: step[4] }) {
+ row.on('click',function(e) { r.clickTurn(instruction, ll); });
+ row.hover(function(e){r.highlightSegment(lineseg);}, function(e){r.unhighlightSegment();});
+ };
+ $('#turnbyturn').append(row);
+ cumulative+=step[3];
+ }
+ $('#sidebar_content').append(' ' + I18n.t('javascripts.directions.instructions.courtesy',{link: r.chosenEngine.creditline}) + ' ');
+
+ };
+ r.clickTurn=function(instruction,latlng) {
+ r.popup=L.popup().setLatLng(latlng).setContent(""+instruction+" ").openOn(r.map);
+ };
+ r.highlightSegment=function(lineseg){
+ if (r.highlighted) map.removeLayer(r.highlighted);
+ r.highlighted=L.polyline(lineseg, ROUTING_POLYLINE_HIGHLIGHT).addTo(r.map);
+ }
+ r.unhighlightSegment=function(){
+ if (r.highlighted) map.removeLayer(r.highlighted);
+ }
+ r.formatDistance=function(m) {
+ if (m < 1000 ) { return Math.round(m) + "m"; }
+ else if (m < 10000) { return (m/1000.0).toFixed(1) + "km"; }
+ else { return Math.round(m / 1000) + "km"; }
+ };
+ r.formatTime=function(s) {
+ var m=Math.round(s/60);
+ var h=Math.floor(m/60);
+ m -= h*60;
+ return h+":"+(m<10 ? '0' : '')+m;
+ };
+
+ // Close all routing UI
+
+ r.close=function() {
+ $("#content").addClass("overlay-sidebar");
+ r.route_from=r.route_to=null;
+ $(".query_wrapper.routing input").val("");
+ var remove=['polyline','popup','marker_from','marker_to'];
+ for (var i=0; iI18n.t(b.name); });
+ var select=r.jqSearch.find('select.routing_engines');
+ for (var i=0; i"+I18n.t(list[i].name)+"");
+ }
+ r.engines=list;
+ r.chosenEngine=list[0]; // default to first engine
+
+ // Choose an engine on dropdown change
+ r.selectEngine=function(e) {
+ r.chosenEngine=r.engines[e.target.selectedIndex];
+ if (r.polyline){ // and if a route is currently showing, must also refresh, else confusion
+ r.requestRoute(true, false);
+ }
+ };
+ // Choose an engine by name
+ r.chooseEngine=function(name) {
+ for (var i=0; i | |