Rename route request variable

[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 9c5ff2a8d2af724697f2b166e3de7be1b139c352..f7ce2adc151f52a52202c7c129934eafe11d2c58 100644 (file)
--- a/app/assets/javascripts/index/directions.js
+++ b/app/assets/javascripts/index/directions.js
@@ -3,7 +3,7 @@
 //= require qs/dist/qs
 
 OSM.Directions = function (map) {
-  var awaitingRoute; // true if we've asked the engine for a route and are waiting to hear back
+  var routeRequest = null; // jqXHR object of an ongoing route request or null
   var chosenEngine;
 
   var popup = L.popup({ autoPanPadding: [100, 100] });
@@ -20,9 +20,20 @@ OSM.Directions = function (map) {
     weight: 12
   });
 
+  var endpointDragCallback = function (dragging) {
+    if (!map.hasLayer(polyline)) return;
+    if (dragging && !chosenEngine.draggable) return;
+    if (dragging && routeRequest) return;
+
+    getRoute(false, !dragging);
+  };
+  var endpointGeocodeCallback = function () {
+    getRoute(true, true);
+  };
+
   var endpoints = [
-    Endpoint($("input[name='route_from']"), OSM.MARKER_GREEN),
-    Endpoint($("input[name='route_to']"), OSM.MARKER_RED)
+    Endpoint($("input[name='route_from']"), OSM.MARKER_GREEN, endpointDragCallback, endpointGeocodeCallback),
+    Endpoint($("input[name='route_to']"), OSM.MARKER_RED, endpointDragCallback, endpointGeocodeCallback)
   ];
 
   var expiry = new Date();
@@ -42,7 +53,7 @@ OSM.Directions = function (map) {
     select.append("<option value='" + i + "'>" + I18n.t("javascripts.directions.engines." + engine.id) + "</option>");
   });
 
-  function Endpoint(input, iconUrl) {
+  function Endpoint(input, iconUrl, dragCallback, geocodeCallback) {
     var endpoint = {};
 
     endpoint.marker = L.marker([0, 0], {
@@ -59,13 +70,8 @@ OSM.Directions = function (map) {
     });
 
     endpoint.marker.on("drag dragend", function (e) {
-      var dragging = (e.type === "drag");
-      if (dragging && !chosenEngine.draggable) return;
-      if (dragging && awaitingRoute) return;
       endpoint.setLatLng(e.target.getLatLng());
-      if (map.hasLayer(polyline)) {
-        getRoute(false, !dragging);
-      }
+      dragCallback(e.type === "drag");
     });
 
     input.on("keydown", function () {
@@ -115,7 +121,7 @@ OSM.Directions = function (map) {
 
         input.val(json[0].display_name);
 
-        getRoute(true, true);
+        geocodeCallback();
       });
     };
 
@@ -195,7 +201,7 @@ OSM.Directions = function (map) {
 
   function getRoute(fitRoute, reportErrors) {
     // Cancel any route that is already in progress
-    if (awaitingRoute) awaitingRoute.abort();
+    if (routeRequest) routeRequest.abort();
 
     // go fetch geocodes for any endpoints which have not already
     // been geocoded.
@@ -229,8 +235,8 @@ OSM.Directions = function (map) {
     $("#sidebar_content").html($(".directions_form .loader_copy").html());
     map.setSidebarOverlaid(false);
 
-    awaitingRoute = chosenEngine.getRoute([o, d], function (err, route) {
-      awaitingRoute = null;
+    routeRequest = chosenEngine.getRoute([o, d], function (err, route) {
+      routeRequest = null;
 
       if (err) {
         map.removeLayer(polyline);