Rename directions_engines to directions

[rails.git] / app / assets / javascripts / index / directions / mapquest.js

diff --git a/app/assets/javascripts/index/directions/mapquest.js b/app/assets/javascripts/index/directions/mapquest.js
new file mode 100644 (file)
index 0000000..935a1ca
--- /dev/null
+++ b/app/assets/javascripts/index/directions/mapquest.js
@@ -0,0 +1,94 @@
+// For docs, see:
+// http://developer.mapquest.com/web/products/open/directions-service
+// http://open.mapquestapi.com/directions/
+// https://github.com/apmon/openstreetmap-website/blob/21edc353a4558006f0ce23f5ec3930be6a7d4c8b/app/controllers/routing_controller.rb#L153
+
+function MapQuestEngine(id, vehicleParam) {
+  var MQ_SPRITE_MAP = {
+    0: 1, // straight
+    1: 2, // slight right
+    2: 3, // right
+    3: 4, // sharp right
+    4: 5, // reverse
+    5: 6, // sharp left
+    6: 7, // left
+    7: 8, // slight left
+    8: 5, // right U-turn
+    9: 5, // left U-turn
+    10: 2, // right merge
+    11: 8, // left merge
+    12: 2, // right on-ramp
+    13: 8, // left on-ramp
+    14: 2, // right off-ramp
+    15: 8, // left off-ramp
+    16: 2, // right fork
+    17: 8, // left fork
+    18: 1  // straight fork
+  };
+
+  return {
+    id: id,
+    creditline: '<a href="http://www.mapquest.com/" target="_blank">MapQuest</a> <img src="http://developer.mapquest.com/content/osm/mq_logo.png">',
+    draggable: false,
+
+    getRoute: function (points, callback) {
+      var url = document.location.protocol + "//open.mapquestapi.com/directions/v2/route?key=Fmjtd%7Cluur290anu%2Crl%3Do5-908a0y";
+      var from = points[0];
+      var to = points[points.length - 1];
+      url += "&from=" + from.lat + ',' + from.lng;
+      url += "&to=" + to.lat + ',' + to.lng;
+      url += "&" + vehicleParam;
+      //url+="&locale=" + I18n.currentLocale(); //Doesn't actually work. MapQuest requires full locale e.g. "de_DE", but I18n may only provides language, e.g. "de"
+      url += "&manMaps=false";
+      url += "&shapeFormat=raw&generalize=0&unit=k";
+
+      $.ajax({
+        url: url,
+        success: function (data) {
+          if (data.info.statuscode != 0)
+            return callback(true);
+
+          var line = [];
+          var shape = data.route.shape.shapePoints;
+          for (var i = 0; i < shape.length; i += 2) {
+            line.push(L.latLng(shape[i], shape[i + 1]));
+          }
+
+          // data.route.shape.maneuverIndexes links turns to polyline positions
+          // data.route.legs[0].maneuvers is list of turns
+          var steps = [];
+          var mq = data.route.legs[0].maneuvers;
+          for (var i = 0; i < mq.length; i++) {
+            var s = mq[i];
+            var d;
+            var linesegstart, linesegend, lineseg;
+            linesegstart = data.route.shape.maneuverIndexes[i];
+            if (i == mq.length - 1) {
+              d = 15;
+              linesegend = linesegstart + 1;
+            } else {
+              d = MQ_SPRITE_MAP[s.turnType];
+              linesegend = data.route.shape.maneuverIndexes[i + 1] + 1;
+            }
+            lineseg = [];
+            for (var j = linesegstart; j < linesegend; j++) {
+              lineseg.push(L.latLng(data.route.shape.shapePoints[j * 2], data.route.shape.shapePoints[j * 2 + 1]));
+            }
+            steps.push([L.latLng(s.startPoint.lat, s.startPoint.lng), d, s.narrative, s.distance * 1000, lineseg]);
+          }
+
+          callback(null, {
+            line: line,
+            steps: steps,
+            distance: data.route.distance * 1000,
+            time: data.route['time']
+          });
+        }
+      });
+    }
+  };
+}
+
+OSM.Directions.addEngine(MapQuestEngine("mapquest_bicycle", "routeType=bicycle"), true);
+OSM.Directions.addEngine(MapQuestEngine("mapquest_foot", "routeType=pedestrian"), true);
+OSM.Directions.addEngine(MapQuestEngine("mapquest_car", "routeType=fastest"), true);