From 824a474d933a3f5010717dd41097e65a25f8130c Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Fri, 5 Oct 2012 16:02:26 +0100
Subject: [PATCH] Refactor updatelinks to avoid exceptions in updateLocation

---
 app/assets/javascripts/application.js | 12 ++++++------
 app/assets/javascripts/browse.js      |  2 +-
 app/assets/javascripts/index.js       |  2 +-
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index 785862ccc..b608a1cd0 100644
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -25,7 +25,7 @@ function zoomPrecision(zoom) {
  * Called as the user scrolls/zooms around to aniplate hrefs of the
  * view tab and various other links
  */
-function updatelinks(lon,lat,zoom,layers,minlon,minlat,maxlon,maxlat,objtype,objid) {
+function updatelinks(lon,lat,zoom,layers,minlon,minlat,maxlon,maxlat,object) {
   var toPrecision = zoomPrecision(zoom);
   var node;
 
@@ -54,8 +54,8 @@ function updatelinks(lon,lat,zoom,layers,minlon,minlat,maxlon,maxlat,objtype,obj
       args.layers = layers;
     }
 
-    if (objtype && $(link).hasClass("object")) {
-      args[objtype] = objid;
+    if (object && $(link).hasClass("object")) {
+      args[object.type] = object.id;
     }
 
     var minzoom = $(link).data("minzoom");
@@ -83,8 +83,8 @@ function updatelinks(lon,lat,zoom,layers,minlon,minlat,maxlon,maxlat,objtype,obj
     var prefix = shortlinkPrefix();
 
     // Add ?{node,way,relation}=id to the arguments
-    if (objtype && objid) {
-      args[objtype] = objid;
+    if (object) {
+      args[object.type] = object.id;
     }
 
     // This is a hack to omit the default mapnik layer from the shortlink.
@@ -99,7 +99,7 @@ function updatelinks(lon,lat,zoom,layers,minlon,minlat,maxlon,maxlat,objtype,obj
     // ?{node,way,relation}= can be safely omitted from the shortlink
     // which encodes lat/lon/zoom. If new URL parameters are added to
     // the main slippy map this needs to be changed.
-    if (args.layers || args[objtype]) {
+    if (args.layers || args[object.type]) {
       this.href = setArgs(prefix + "/go/" + code, args);
     } else {
       this.href = prefix + "/go/" + code;
diff --git a/app/assets/javascripts/browse.js b/app/assets/javascripts/browse.js
index e98aa2ed6..9858db091 100644
--- a/app/assets/javascripts/browse.js
+++ b/app/assets/javascripts/browse.js
@@ -71,7 +71,7 @@ $(document).ready(function () {
         $("#object_larger_map").show();
         $("#object_edit").show();
 
-        updatelinks(centre.lon, centre.lat, 16, null, extent.left, extent.bottom, extent.right, extent.top, params.type, params.id);
+        updatelinks(centre.lon, centre.lat, 16, null, extent.left, extent.bottom, extent.right, extent.top, object);
       } else {
         $("#small_map").hide();
       }
diff --git a/app/assets/javascripts/index.js b/app/assets/javascripts/index.js
index 21d5366f3..616402811 100644
--- a/app/assets/javascripts/index.js
+++ b/app/assets/javascripts/index.js
@@ -73,7 +73,7 @@ $(document).ready(function () {
     var extents = unproj(map.getExtent());
     var expiry = new Date();
 
-    updatelinks(lonlat.lon, lonlat.lat, zoom, layers, extents.left, extents.bottom, extents.right, extents.top, params.object.type, params.object.id);
+    updatelinks(lonlat.lon, lonlat.lat, zoom, layers, extents.left, extents.bottom, extents.right, extents.top, params.object);
 
     expiry.setYear(expiry.getFullYear() + 10);
     $.cookie("_osm_location", [lonlat.lon, lonlat.lat, zoom, layers].join("|"), {expires: expiry});
-- 
2.39.5