public void actionPerformed(ActionEvent ae) {
					if (ae.getActionCommand().equals("Rename")) {
						renameNode(m_nCurrentNode);
						return;
					}
					if (ae.getActionCommand().equals("Add parent")) {
						addArcInto(m_nCurrentNode);
						return;
					}
					if (ae.getActionCommand().equals("Add value")) {
						addValue();
						return;
					}
					if (ae.getActionCommand().equals("Delete node")) {
						deleteNode(m_nCurrentNode);
						return;
					}
					if (ae.getActionCommand().equals("Edit CPT")) {
						editCPT(m_nCurrentNode);
						return;
					}
					repaint();
				}