X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/fa9b4a5f6a00fd862ce3230a64d6c6c89c7fbb6c..04fbc71a40ba73f9d9ba7253fc076b54c3d7ec84:/app/assets/javascripts/leaflet.key.js

diff --git a/app/assets/javascripts/leaflet.key.js b/app/assets/javascripts/leaflet.key.js
index 1c219d953..d88ce5d6e 100644
--- a/app/assets/javascripts/leaflet.key.js
+++ b/app/assets/javascripts/leaflet.key.js
@@ -39,6 +39,10 @@ L.OSM.key = function (options) {
       .on('show', shown)
       .on('hide', hidden);
 
+    map.on('baselayerchange', updateButton);
+
+    updateButton();
+
     function shown() {
       map.on('zoomend baselayerchange', update);
       $section.load('/key', update);
@@ -51,7 +55,14 @@ L.OSM.key = function (options) {
     function toggle(e) {
       e.stopPropagation();
       e.preventDefault();
-      options.sidebar.togglePane($ui, button);
+      if (!button.hasClass('disabled')) {
+        options.sidebar.togglePane($ui, button);
+      }
+    }
+
+    function updateButton() {
+      var layer = map.getMapBaseLayerId();
+      button.toggleClass('disabled', layer !== 'mapnik');
     }
 
     function update() {