X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/e2f55c1c1b3345be7c7737a27eb27c8964420b9c..d95361bcb9d1efccae1da3e295e426dfd44ddd89:/app/assets/javascripts/osm.js.erb

diff --git a/app/assets/javascripts/osm.js.erb b/app/assets/javascripts/osm.js.erb
index ad6d5cb9c..7b5df1865 100644
--- a/app/assets/javascripts/osm.js.erb
+++ b/app/assets/javascripts/osm.js.erb
@@ -46,6 +46,7 @@ OSM = {
       mapParams.mlat = parseFloat(params.mlat);
     }
 
+    // Old-style object parameters; still in use for edit links e.g. /edit?way=1234
     if (params.node) {
       mapParams.object = {type: 'node', id: parseInt(params.node)};
     } else if (params.way) {
@@ -61,6 +62,15 @@ OSM = {
       mapParams.lon = hash.center.lng;
       mapParams.lat = hash.center.lat;
       mapParams.zoom = hash.zoom;
+    } else if (params.bbox) {
+      var bbox = params.bbox.split(',');
+      mapParams.bounds = L.latLngBounds(
+        [parseFloat(bbox[1]), parseFloat(bbox[0])],
+        [parseFloat(bbox[3]), parseFloat(bbox[2])]);
+    } else if (params.minlon && params.minlat && params.maxlon && params.maxlat) {
+      mapParams.bounds = L.latLngBounds(
+        [parseFloat(params.minlat), parseFloat(params.minlon)],
+        [parseFloat(params.maxlat), parseFloat(params.maxlon)]);
     } else if (params.lon && params.lat) {
       mapParams.lon = parseFloat(params.lon);
       mapParams.lat = parseFloat(params.lat);
@@ -101,15 +111,45 @@ OSM = {
   },
 
   parseHash: function(hash) {
-    if (hash.indexOf('#') === 0) {
-      hash = hash.substr(1);
+    var i = hash.indexOf('#');
+    if (i < 0) {
+      return false;
     }
+
+    hash = hash.substr(i + 1);
+
     if (hash === '') {
       return false;
     }
+
     hash = querystring.parse(hash);
-    var args = L.Hash.parseHash(hash.map || '') || {};
-    if (hash.layers) args.layers = hash.layers;
+
+    if (hash.map === undefined) {
+      return false;
+    }
+
+    var args = hash.map.split("/");
+    if (args.length !== 3) {
+      return false;
+    }
+
+    var zoom = parseInt(args[0], 10),
+      lat = parseFloat(args[1]),
+      lon = parseFloat(args[2]);
+
+    if (isNaN(zoom) || isNaN(lat) || isNaN(lon)) {
+      return false;
+    }
+
+    args = {
+      center: new L.LatLng(lat, lon),
+      zoom: zoom
+    };
+
+    if (hash.layers) {
+      args.layers = hash.layers;
+    }
+
     return args;
   },
 
@@ -121,7 +161,7 @@ OSM = {
       zoom = args.getZoom();
       layers = args.getLayersCode();
     } else {
-      center = L.latLng(args.lat, args.lon);
+      center = args.center || L.latLng(args.lat, args.lon);
       zoom = args.zoom;
       layers = args.layers || '';
     }