X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/4cc400de436a5dc33b66bc735b5fb6257e066a5a..47350833fcbdd9483fa2cbf1b465ec8376c8e5f5:/public/javascripts/site.js

diff --git a/public/javascripts/site.js b/public/javascripts/site.js
index a7651fa45..06b4152df 100644
--- a/public/javascripts/site.js
+++ b/public/javascripts/site.js
@@ -1,4 +1,6 @@
-function updatelinks(lon,lat,zoom,layers) {
+//Called as the user scrolls/zooms around.
+//Maniplate hrefs of the view tab and various other links
+function updatelinks(lon,lat,zoom,layers,extents) {
   var decimals = Math.pow(10, Math.floor(zoom/3));
   var node;
 
@@ -48,13 +50,35 @@ function updatelinks(lon,lat,zoom,layers) {
       args.lat = lat;
       args.lon = lon;
       args.zoom = zoom;
-      node.href = setArgs("/edit.html", args);
+      node.href = setArgs("/edit", args);
       node.style.fontStyle = 'normal';
     } else {
       node.href = 'javascript:alert("zoom in to edit map");';
       node.style.fontStyle = 'italic';
     }
   }
+  
+  node = document.getElementById("historyanchor");
+  if (node) {
+    if (zoom >= 11) {
+      var args = new Object();
+      //set bbox param from 'extents' object
+      minlon = extents.left;
+      minlat = extents.bottom;
+      maxlon = extents.right;
+      maxlat = extents.top;
+      minlon = Math.round(minlon * decimals) / decimals;
+      minlat = Math.round(minlat * decimals) / decimals;
+      maxlon = Math.round(maxlon * decimals) / decimals;
+      maxlat = Math.round(maxlat * decimals) / decimals;
+      args.bbox = minlon + "," + minlat + "," + maxlon + "," + maxlat;
+      node.href = setArgs("history/", args);
+      node.style.fontStyle = 'normal';
+    } else {
+      node.href = 'javascript:alert("zoom in to see editing history");';
+      node.style.fontStyle = 'italic';
+    }
+  }
 }
 
 function getArgs(url) {