More draggable routes work

[rails.git] / app / assets / javascripts / routing.js.erb

diff --git a/app/assets/javascripts/routing.js.erb b/app/assets/javascripts/routing.js.erb
index 81cd3e7a18f62250ac5abdfd5bf21c1570cccf44..0c11f93a06af0ba8546dc0a84e7b962f3149f86b 100644 (file)
--- a/app/assets/javascripts/routing.js.erb
+++ b/app/assets/javascripts/routing.js.erb
@@ -56,6 +56,7 @@ OSM.Routing=function(map,name,jqSearch) {
        r.route_from=null;              // null=unset, false=awaiting response, [lat,lon]=geocoded
        r.route_to=null;                //  |
        r.awaitingGeocode=false;// true if the user has requested a route, but we're waiting on a geocode result
+       r.awaitingRoute=false;  // true if we've asked the engine for a route and are waiting to hear back
        r.viaPoints=[];                 // not yet used
 
        r.polyline=null;                // Leaflet polyline object
@@ -107,7 +108,7 @@ OSM.Routing=function(map,name,jqSearch) {
                r.updateMarkers(field.id);
                if (r.awaitingGeocode) {
                        r.awaitingGeocode=false;
-                       r.requestRoute();
+                       r.requestRoute(true);
                }
        };
 
@@ -118,6 +119,8 @@ OSM.Routing=function(map,name,jqSearch) {
                var ll=r.map.mouseEventToLatLng(e.originalEvent);
                // *** ^^^ this is slightly off - we need to work out the latLng of the tip
                r.createMarker(ll,id);
+               r[id.replace('marker','route')]=[ll.lat,ll.lng];
+               r.requestRoute(true);
                // update to/from field
        };
        r.createMarker=function(latlng,id) {
@@ -135,17 +138,20 @@ OSM.Routing=function(map,name,jqSearch) {
        r.markerDragged=function(e) {
                // marker has been dragged
                if (e.type=='drag' && !r.chosenEngine.draggable) return;
-               // *** also return if e.type=='drag' and not long enough since last request returned
-               // *** but always do if e.type=='dragend'
-               console.log(e.target.options.name);
-               console.log(e.target.getLatLng());
+               if (e.type=='drag' && r.awaitingRoute) return;
+               var id=e.target.options.name;
+               var ll=e.target.getLatLng();
+               r[id.replace('marker','route')]=[ll.lat,ll.lng];
+               r.requestRoute(e.type=='dragend');
+               // update to/from field
        };
        
        // Route-fetching UI
 
-       r.requestRoute=function() {
+       r.requestRoute=function(final) {
                if (r.route_from && r.route_to) {
-                       r.chosenEngine.getRoute(true,[r.route_from,r.route_to]);
+                       r.awaitingRoute=true;
+                       r.chosenEngine.getRoute(final,[r.route_from,r.route_to]);
                        // 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
@@ -157,7 +163,8 @@ OSM.Routing=function(map,name,jqSearch) {
        r.setPolyline=function(line) {
                if (r.polyline) map.removeLayer(r.polyline);
                r.polyline=L.polyline(line, ROUTING_POLYLINE).addTo(r.map);
-               r.map.fitBounds(r.polyline.getBounds());
+               // r.map.fitBounds(r.polyline.getBounds());
+               // *** ^^^ we only want to do this for geocode-originated routes
        };
 
        // Take directions and write them out
@@ -222,7 +229,7 @@ OSM.Routing=function(map,name,jqSearch) {
                                script.src = url+r.name+".gotRoute"+num;
                                document.body.appendChild(script); 
                        };
-                       r['gotRoute'+num]=function(data) { list[num].gotRoute(r,data); };
+                       r['gotRoute'+num]=function(data) { r.awaitingRoute=false; list[num].gotRoute(r,data); };
                }
                select.append("<option value='"+i+"'>"+list[i].name+"</option>");
        }