Merge pull request #15 from danstowell/jsrouting-highlightsegments

[rails.git] / app / assets / javascripts / routing_engines / osrm.js

diff --git a/app/assets/javascripts/routing_engines/osrm.js b/app/assets/javascripts/routing_engines/osrm.js
index 041f456f0ba9c6a474d42232d3f072149e12d82a..5808fb7ee8dc633e096fd320387a8ef984b5eb68 100644 (file)
--- a/app/assets/javascripts/routing_engines/osrm.js
+++ b/app/assets/javascripts/routing_engines/osrm.js
@@ -1,5 +1,5 @@
 // OSRM car engine
-// *** need to clear hints at some point
+// Doesn't yet support hints
 
 OSRMEngine = function(vehicleName, baseURL, locale) {
     this.vehicleName = vehicleName;
@@ -12,44 +12,49 @@ OSRMEngine = function(vehicleName, baseURL, locale) {
 OSRMEngine.prototype.createConfig = function() {
     var that = this;
     return {
-               name: "javascripts.directions.engines.osrm_"+this.vehicleName.toLowerCase(),
-               creditline: 'Directions courtesy of <a href="http://project-osrm.org/" target="_blank">OSRM</a>',
-               draggable: true,
-               _hints: {},
-               getRoute: function(isFinal,points) {
-                       var url=that.baseURL+"?z=14&output=json";
-                       for (var i=0; i<points.length; i++) {
-                               var pair=points[i].join(',');
-                               url+="&loc="+pair;
-                               if (this._hints[pair]) url+= "&hint="+this._hints[pair];
-                       }
-                       if (isFinal) url+="&instructions=true";
-                       this.requestCORS(url);
-               },
-               gotRoute: function(router,data) {
-                       if (data.status==207) {
-                               return false;
-                       }
-                       // Draw polyline
-                       var line=L.PolylineUtil.decode(data.route_geometry);
-                       for (i=0; i<line.length; i++) { line[i].lat/=10; line[i].lng/=10; }
-                       router.setPolyline(line);
-                       // *** store hints
-                       // Assemble instructions
-                       var steps=[];
-                       for (i=0; i<data.route_instructions.length; i++) {
-                               var s=data.route_instructions[i];
-                               var instCodes=s[0].split('-');
-                               var instText="<b>"+(i+1)+".</b> ";
-                               instText+=TURN_INSTRUCTIONS[instCodes[0]];
-                               if (instCodes[1]) { instText+="exit "+instCodes[1]+" "; }
-                               if (instCodes[0]!=15) { instText+=s[1] ? "<b>"+s[1]+"</b>" : I18n.t('javascripts.directions.instructions.unnamed'); }
-                               steps.push([line[s[3]], s[0].split('-')[0], instText, s[2]]);
-                       }
-                       if (steps.length) router.setItinerary({ steps: steps, distance: data.route_summary.total_distance, time: data.route_summary.total_time });
-                       return true;
-               }
-       };
+        name: "javascripts.directions.engines.osrm_"+this.vehicleName.toLowerCase(),
+        creditline: 'Directions courtesy of <a href="http://project-osrm.org/" target="_blank">OSRM</a>',
+        draggable: true,
+        _hints: {},
+        getRoute: function(isFinal,points) {
+            var url=that.baseURL+"?z=14&output=json";
+            for (var i=0; i<points.length; i++) {
+                var pair=points[i].join(',');
+                url+="&loc="+pair;
+                if (this._hints[pair]) url+= "&hint="+this._hints[pair];
+            }
+            if (isFinal) url+="&instructions=true";
+            this.requestCORS(url);
+        },
+        gotRoute: function(router,data) {
+            if (data.status==207) {
+                return false;
+            }
+            // Draw polyline
+            var line=L.PolylineUtil.decode(data.route_geometry);
+            for (i=0; i<line.length; i++) { line[i].lat/=10; line[i].lng/=10; }
+            router.setPolyline(line);
+            // Assemble instructions
+            var steps=[];
+            for (i=0; i<data.route_instructions.length; i++) {
+                var s=data.route_instructions[i];
+                var linesegend;
+                var instCodes=s[0].split('-');
+                var instText="<b>"+(i+1)+".</b> ";
+                instText+=TURN_INSTRUCTIONS[instCodes[0]];
+                if (instCodes[1]) { instText+="exit "+instCodes[1]+" "; }
+                if (instCodes[0]!=15) { instText+=s[1] ? "<b>"+s[1]+"</b>" : I18n.t('javascripts.directions.instructions.unnamed'); }
+                if ((i+1)<data.route_instructions.length) {
+                    linesegend = data.route_instructions[i+1][3] + 1;
+                } else {
+                    linesegend = s[3] + 1;
+                }
+                steps.push([line[s[3]], s[0].split('-')[0], instText, s[2], line.slice(s[3], linesegend)]);
+            }
+            if (steps.length) router.setItinerary({ steps: steps, distance: data.route_summary.total_distance, time: data.route_summary.total_time });
+            return true;
+        }
+    };
 };
 
 OSM.RoutingEngines.list.push(new OSRMEngine("Car", "http://router.project-osrm.org/viaroute").createConfig());