code: @Override
      protected void loadPlugins() {
  		pickingPlugin = new PickingGraphMousePlugin<String,String>();
  		scalingPlugin = new ScalingGraphMousePlugin(new CrossoverScalingControl(), 0, in, out);
  		editingPlugin = new RoleGraphEditingPlugin();
  		add(scalingPlugin);
  		setMode(Mode.EDITING);
  	}
docs: create the plugins, and load the plugins for TRANSFORMING mode