X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/b394a4d309794d719ebe5e77fc69d2a8411aa161..40b452ac7431387979fa2c2cdd2565bae5993f29:/app/assets/javascripts/index.js?ds=sidebyside

diff --git a/app/assets/javascripts/index.js b/app/assets/javascripts/index.js
index d577e0cf7..5f6a4efb7 100644
--- a/app/assets/javascripts/index.js
+++ b/app/assets/javascripts/index.js
@@ -51,13 +51,28 @@ $(document).ready(function () {
     })
   ];
 
-  for (var i = layers.length - 1; i >= 0; i--) {
-    if (i === 0 || params.layers.indexOf(layers[i].options.code) >= 0) {
-      map.addLayer(layers[i]);
-      break;
+  function updateLayers(params) {
+    var layerParam = params.layers || "M";
+    var layersAdded = "";
+
+    for (var i = layers.length - 1; i >= 0; i--) {
+      if (layerParam.indexOf(layers[i].options.code) >= 0) {
+        map.addLayer(layers[i]);
+        layersAdded = layersAdded + layers[i].options.code;
+      } else if (i == 0 && layersAdded == "") {
+        map.addLayer(layers[i]);
+      } else {
+        map.removeLayer(layers[i]);
+      }
     }
   }
 
+  updateLayers(params);
+
+  $(window).on("hashchange", function () {
+    updateLayers(OSM.mapParams());
+  });
+
   map.noteLayer = new L.LayerGroup();
   map.noteLayer.options = {code: 'N'};