Merge pull request geonetwork#4 from pgiraud/context_save_map_not_init

Don't save a map if map is not already rendered

web-ui/src/main/resources/catalog/components/viewer/owscontext/OwsContextService.js

@@ -215,6 +215,10 @@
        * Saves the map context to local storage
        */
       this.saveToLocalStorage = function(map) {
+        if (map.getSize()[0] == 0 || map.getSize()[1] == 0){
+          // don't save a map which has not been rendered yet
+          return;
+        }
         var xml = this.writeContext(map);
         var xmlString = (new XMLSerializer()).serializeToString(xml);
         window.localStorage.setItem("owsContext", xmlString);