Fix OSRM directions issues

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

diff --git a/app/assets/javascripts/index/directions.js b/app/assets/javascripts/index/directions.js
index 31144a54716ec8c7dd2a1ef54d6819de892555b6..f7ac876369c2f21fb7288c602b28337e6293a4cc 100644 (file)
--- a/app/assets/javascripts/index/directions.js
+++ b/app/assets/javascripts/index/directions.js
@@ -42,7 +42,7 @@ OSM.Directions = function (map) {
     });
 
     endpoint.marker.on('drag dragend', function (e) {
-      dragging = (e.type == 'drag');
+      dragging = (e.type === 'drag');
       if (dragging && !chosenEngine.draggable) return;
       if (dragging && awaitingRoute) return;
       endpoint.setLatLng(e.target.getLatLng());
@@ -54,7 +54,7 @@ OSM.Directions = function (map) {
     input.on("change", function (e) {
       // make text the same in both text boxes
       var value = e.target.value;
-      endpoint.setValue(value)
+      endpoint.setValue(value);
     });
 
     endpoint.setValue = function(value) {
@@ -62,7 +62,7 @@ OSM.Directions = function (map) {
       delete endpoint.latlng;
       input.val(value);
       endpoint.getGeocode();
-    }
+    };
 
     endpoint.getGeocode = function() {
       // if no one has entered a value yet, then we can't geocode, so don't
@@ -76,7 +76,7 @@ OSM.Directions = function (map) {
       $.getJSON(document.location.protocol + OSM.NOMINATIM_URL + 'search?q=' + encodeURIComponent(endpoint.value) + '&format=json', function (json) {
         endpoint.awaitingGeocode = false;
         endpoint.hasGeocode = true;
-        if (json.length == 0) {
+        if (json.length === 0) {
           alert(I18n.t('javascripts.directions.errors.no_place'));
           return;
         }
@@ -93,7 +93,7 @@ OSM.Directions = function (map) {
           getRoute();
         }
       });
-    }
+    };
 
     endpoint.setLatLng = function (ll) {
       var precision = OSM.zoomPrecision(map.getZoom());
@@ -137,7 +137,7 @@ OSM.Directions = function (map) {
 
   function setEngine(id) {
     engines.forEach(function(engine, i) {
-      if (engine.id == id) {
+      if (engine.id === id) {
         chosenEngine = engine;
         select.val(i);
       }
@@ -145,6 +145,9 @@ OSM.Directions = function (map) {
   }
 
   function getRoute() {
+    // Cancel any route that is already in progress
+    if (awaitingRoute) awaitingRoute.abourt();
+
     // go fetch geocodes for any endpoints which have not already
     // been geocoded.
     for (var ep_i = 0; ep_i < 2; ++ep_i) {
@@ -177,11 +180,10 @@ OSM.Directions = function (map) {
     // just using it in-place and replacing it in case it has to be used
     // again.
     $('#sidebar_content').html($('.directions_form .loader_copy').html());
-    awaitingRoute = true;
     map.setSidebarOverlaid(false);
 
-    chosenEngine.getRoute([o, d], function (err, route) {
-      awaitingRoute = false;
+    awaitingRoute = chosenEngine.getRoute([o, d], function (err, route) {
+      awaitingRoute = null;
 
       if (err) {
         map.removeLayer(polyline);
@@ -302,10 +304,8 @@ OSM.Directions = function (map) {
   $(".routing_marker").on('dragstart', function (e) {
     e.originalEvent.dataTransfer.effectAllowed = 'move';
     e.originalEvent.dataTransfer.setData('id', this.id);
-    var xo = e.originalEvent.clientX - $(e.target).offset().left;
-    var yo = e.originalEvent.clientY - $(e.target).offset().top;
-    e.originalEvent.dataTransfer.setData('offsetX', e.originalEvent.target.width / 2 - xo);
-    e.originalEvent.dataTransfer.setData('offsetY', e.originalEvent.target.height - yo);
+    var img = $("<img>").attr("src", $(e.originalEvent.target).attr("src"));
+    e.originalEvent.dataTransfer.setDragImage(img.get(0), 12, 21);
   });
 
   var page = {};
@@ -323,8 +323,7 @@ OSM.Directions = function (map) {
       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'));
+      pt.y += 20;
       var ll = map.containerPointToLatLng(pt);
       endpoints[id === 'marker_from' ? 0 : 1].setLatLng(ll);
       getRoute();
@@ -378,7 +377,7 @@ OSM.Directions = function (map) {
 OSM.Directions.engines = [];
 
 OSM.Directions.addEngine = function (engine, supportsHTTPS) {
-  if (document.location.protocol == "http:" || supportsHTTPS) {
+  if (document.location.protocol === "http:" || supportsHTTPS) {
     OSM.Directions.engines.push(engine);
   }
 };