Updated the provideTripAlternatives parameter to the newer provideRouteAlternatives.

[dead/census-tools.git] / www / maps / maps / templates / javascript / routing.mako

diff --git a/www/maps/maps/templates/javascript/routing.mako b/www/maps/maps/templates/javascript/routing.mako
index 94c280e07b6d1036fbdbed4736af50f5c7cf6551..b3b1c919258830d7005268e231090175f121f3cd 100644 (file)
--- a/www/maps/maps/templates/javascript/routing.mako
+++ b/www/maps/maps/templates/javascript/routing.mako
@@ -1,25 +1,8 @@
-function post_data(url, data) {
-  /* Create a new form, and add it to the DOM. Then, create a hidden
-     input control as a child of the form which contains the data that
-     we'd like to post. Finally, add the form to the document's body,
-     and submit it. */
-  var new_form = document.createElement("form");
-  new_form.method = "post";
-  new_form.action = url;
-  var new_input = document.createElement("input");
-  new_input.setAttribute("id", "data");
-  new_input.setAttribute("name", "data");
-  new_input.setAttribute("type", "hidden");
-  new_input.setAttribute("value", data);
-  new_form.appendChild(new_input);
-  document.body.appendChild(new_form);
-  new_form.submit();
-}
-
-
 var producers = new Array();
 var consumers = new Array();
 
+var postback_url = "${c.postback_url}";
+
 /* The URL encoding changes all of our double quotes to ", so we
  * have to convert them back before we do anything with the JSON
  * data. */
@@ -50,12 +33,12 @@ function routing_callback(result, status) {
   if (status == google.maps.DirectionsStatus.OK) {
     json_string += JSON.stringify(result);
 
-    for (var trip_idx = 0; trip_idx < result.trips.length; trip_idx++) {
-      num_routes = result.trips[trip_idx].routes.length;
-      if (num_routes > 1) {
-         alert("Unexpected number of routes (" +
-             result.trips.routes.length.toString() +
-             ") on trip number " + trip_idx.toString() + '.');
+    for (var route_idx = 0; route_idx < result.routes.length; route_idx++) {
+      var num_legs = result.routes[route_idx].legs.length;
+      if (num_legs > 1) {
+         alert("Unexpected number of legs (" +
+             result.routes.legs.length.toString() +
+             ") on route number " + route_idx.toString() + '.');
       }
     }
   }
@@ -68,7 +51,8 @@ function routing_callback(result, status) {
   if (completed_requests == total_requests) {
     // Close the array, and do something with the result.
     json_string += ']';
-    post_data('/directions/json_to_kml', json_string)
+    var F = new Form();
+    F.post_data(postback_url, json_string);
   }
   else {
     // Continue the array.
@@ -99,17 +83,32 @@ function get_directions(pairs_to_skip) {
        continue;
       }
 
-      var producer_latlng = new google.maps.LatLng(producers[i].latitude,
-                                                  producers[i].longitude);
-      
-      var consumer_latlng = new google.maps.LatLng(consumers[i].latitude,
-                                                  consumers[i].longitude);
+      /* We'll pass these to the DirectionsRequest object. They aren't
+       * necessarily LatLngs, since if either the latitude or
+       * longitude is missing, we'll fall back to using the name. */
+      var producer_latlng;
+      var consumer_latlng;
 
+      if (producers[i].latitude && producers[i].longitude) {
+       producer_latlng = new google.maps.LatLng(producers[i].latitude,
+                                                producers[i].longitude);
+      }
+      else {
+       producer_latlng = producers[i].name;
+      }
+      
+      if (consumers[j].latitude && consumers[j].longitude) {
+       consumer_latlng = new google.maps.LatLng(consumers[j].latitude,
+                                                consumers[j].longitude);
+      }
+      else {
+       consumer_latlng = consumers[j].name;
+      }
+      
       var directions_request = {
        origin: producer_latlng,
        destination: consumer_latlng,
-       provideTripAlternatives: true,
-
+       provideRouteAlternatives: true,   
        travelMode: google.maps.DirectionsTravelMode.DRIVING
       }