} else if (node instanceof InputNode){
nodeGUI=new InputNodeGUI((InputNode)node);
} else if (node instanceof EndifNode){
nodeGUI=new EndifNodeGUI((EndifNode)node);
} else if (node instanceof EndBlockNode){
nodeGUI=new EndBlockNodeGUI((EndBlockNode)node);
} else if (node instanceof WorkflowNode){
nodeGUI=new WorkflowNodeGUI((WorkflowNode)node);
} else if (node instanceof WSNode){
nodeGUI=new WSNodeGUI((WSNode)node);
// } else if (node instanceof Graph){