added getLevel()

lib/tiles/OfflineTilesEnablerLayer.js

@@ -20,6 +20,7 @@ define([
 
         tileInfo: null,
         _imageType:"",
+        _level:null, //current zoom level
 
         /**
          * Utility method to get the basemap layer reference
@@ -119,6 +120,8 @@ define([
             console.assert(!isNaN(level) && !isNaN(row) && !isNaN(col), "bad tile requested");
             console.log("looking for tile",level,row,col);
 
+            this._level = level;
+
             var url = this.url + "/tile/" + level + "/" + row + "/" + col;
             console.log("LIBRARY ONLINE " + this.offline.online)
             if( this.offline.online )
@@ -188,6 +191,14 @@ define([
                 return levelEstimation;
             },
 
+            /**
+             * Returns the current zoom level
+             * @returns {number}
+             */
+            getLevel: function(){
+                return this._level;
+            },
+
             /**
              * Retrieves tiles and stores them in the local cache.
              * @param minLevel