split.setRightComponent(new JPanel());
split.setRightComponent(new JScrollPane());
	private void createInterface()	{		split = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, true);		getContentPane().add(split);				model = new XACMLTreeModel(dbInterface.getPolicies());		model.addTreeModelListener(this);						tree = new JTree(model);		TreeMutator mutator = new TreeMutator(tree);		tree.addTreeSelectionListener(this);		tree.setCellRenderer(new CustomRenderer(mutator));		tree.setEditable(false);		tree.setShowsRootHandles(true);		tree.setRootVisible(false);				Dimension minSize = tree.getMinimumSize();		if(minSize.width < MINIMUM_TREE_WIDTH)			minSize.width = MINIMUM_TREE_WIDTH;		tree.setMinimumSize(minSize);						JScrollPane scroll = new JScrollPane(tree);				split.setLeftComponent(scroll);		split.setRightComponent(new JPanel());		split.setOneTouchExpandable(false);	}