code: function(deferred, message) {
  			var that = this;
  			if(message){
  				that.setProgressMessage(message);
  				var finish = function(){
  					if(message === that.progressMessage){
  						that.setProgressMessage("");
  					}
  				};
  				deferred.then(finish, finish);
  			}
  			return deferred;
  		}
docs: Shows a progress message in the progress area until the given deferred is resolved.