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 82c4d6456cdbde85e5a8f9ee49d05f20fe2a7f9c..f7ac876369c2f21fb7288c602b28337e6293a4cc 100644 (file)
--- a/app/assets/javascripts/index/directions.js
+++ b/app/assets/javascripts/index/directions.js
@@ -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();