Overpass query to use map precision

[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 4283ef5aa7ef5ca7f57208fcc7fab8b4dd15e604..4c39d6781e1673d61d3e7c28aa186bb509acd464 100644 (file)
--- a/app/assets/javascripts/index/directions.js
+++ b/app/assets/javascripts/index/directions.js
@@ -1,9 +1,12 @@
 //= require_self
 //= require_tree ./directions
+//= require querystring
 
 OSM.Directions = function (map) {
+  var querystring = require("querystring-component");
+
   var awaitingGeocode; // true if the user has requested a route, but we're waiting on a geocode result
-  var awaitingRoute;   // true if we've asked the engine for a route and are waiting to hear back
+  var awaitingRoute; // true if we've asked the engine for a route and are waiting to hear back
   var chosenEngine;
 
   var popup = L.popup({ autoPanPadding: [100, 100] });
@@ -31,9 +34,9 @@ OSM.Directions = function (map) {
   var engines = OSM.Directions.engines;
 
   engines.sort(function (a, b) {
-    a = I18n.t("javascripts.directions.engines." + a.id);
-    b = I18n.t("javascripts.directions.engines." + b.id);
-    return a.localeCompare(b);
+    var localised_a = I18n.t("javascripts.directions.engines." + a.id),
+        localised_b = I18n.t("javascripts.directions.engines." + b.id);
+    return localised_a.localeCompare(localised_b);
   });
 
   var select = $("select.routing_engines");
@@ -102,7 +105,9 @@ OSM.Directions = function (map) {
 
       endpoint.awaitingGeocode = true;
 
-      $.getJSON(OSM.NOMINATIM_URL + "search?q=" + encodeURIComponent(endpoint.value) + "&format=json", function (json) {
+      var viewbox = map.getBounds().toBBoxString(); // <sw lon>,<sw lat>,<ne lon>,<ne lat>
+
+      $.getJSON(OSM.NOMINATIM_URL + "search?q=" + encodeURIComponent(endpoint.value) + "&format=json&viewbox=" + viewbox, function (json) {
         endpoint.awaitingGeocode = false;
         endpoint.hasGeocode = true;
         if (json.length === 0) {
@@ -260,11 +265,11 @@ OSM.Directions = function (map) {
 
       // Add each row
       route.steps.forEach(function (step) {
-        var ll        = step[0],
-          direction   = step[1],
-          instruction = step[2],
-          dist        = step[3],
-          lineseg     = step[4];
+        var ll = step[0],
+            direction = step[1],
+            instruction = step[2],
+            dist = step[3],
+            lineseg = step[4];
 
         if (dist < 5) {
           dist = "";
@@ -360,7 +365,7 @@ OSM.Directions = function (map) {
       var oe = e.originalEvent;
       var dragData = JSON.parse(oe.dataTransfer.getData("text"));
       var type = dragData.type;
-      var pt = L.DomEvent.getMousePosition(oe, map.getContainer());  // co-ordinates of the mouse pointer at present
+      var pt = L.DomEvent.getMousePosition(oe, map.getContainer()); // co-ordinates of the mouse pointer at present
       pt.y += 20;
       var ll = map.containerPointToLatLng(pt);
       endpoints[type === "from" ? 0 : 1].setLatLng(ll);