public TreeWidget(String label, Patch patch, Nodes treeNodes,
public TreeWidget(String label, IPatch patch, Nodes treeNodes,
    public TreeWidget(String label, Patch patch, Nodes treeNodes,		      ParamModel paramModel, SysexSender sysexString) {	super(label, patch, paramModel, sysexString);	this.treeNodes = treeNodes;	createWidgets();        layoutWidgets();    } // TreeWidget constructor