Object last = tree.getLeadSelectionPath().getLastPathComponent();  if (e.getActionCommand().equals("selectPreviousChangeLead")) { Object prev = getPreviousVisibleNode(last);  if (prev != null) { TreePath newPath = new TreePath(getPathToRoot(prev, 0)); selectPath(tree, new TreePath(getPathToRoot(prev, 0))); tree.setLeadSelectionPath(newPath); } } else if (e.getActionCommand().equals("selectPreviousExtendSelection")) { Object prev = getPreviousVisibleNode(last); if (prev != null) { TreePath newPath = new TreePath(getPathToRoot(prev, 0)); tree.addSelectionPath(newPath); tree.setLeadSelectionPath(newPath); } } else if (e.getActionCommand().equals("selectPrevious")) { Object prev = getPreviousVisibleNode(last); if (prev != null) { TreePath newPath = new TreePath(getPathToRoot(prev, 0)); selectPath(tree, new TreePath(getPathToRoot(prev, 0))); } } else if (e.getActionCommand().equals("selectNext")) { Object next = getNextVisibleNode(last); if (next != null) { TreePath newPath = new TreePath(getPathToRoot(next, 0)); selectPath(tree, newPath); } } else if (e.getActionCommand().equals("selectNextExtendSelection")) { Object next = getNextVisibleNode(last); if (next != null) { TreePath newPath = new TreePath(getPathToRoot(next, 0)); tree.addSelectionPath(newPath); tree.setLeadSelectionPath(newPath); } } else if (e.getActionCommand().equals("selectNextChangeLead")) { Object next = getNextVisibleNode(last); if (next != null) { TreePath newPath = new TreePath(getPathToRoot(next, 0)); selectPath(tree, newPath); tree.setLeadSelectionPath(newPath); } }
		public void actionPerformed(ActionEvent e)		{		}