} else if (node instanceof ExitNode){
nodeGUI=new ExitNodeGUI((ExitNode)node);
} else if (node instanceof OutputNode){
nodeGUI=new OutputNodeGUI((OutputNode)node);
} else if (node instanceof DifferedInputNode){
nodeGUI=new DifferedInputNodeGUI((DifferedInputNode)node);
} else if (node instanceof BlockNode){
nodeGUI=new BlockNodeGUI((BlockNode)node);
} else if (node instanceof EndForEachNode){
nodeGUI=new EndForEachNodeGUI((EndForEachNode)node);
} else if (node instanceof S3InputNode){