Knoten aus JTree als Spaltennamen für JTable

import java.awt.*;
import java.awt.event.*;
import java.util.Enumeration;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.tree.*;
import javax.swing.text.*; 
import javax.swing.table.*;



/*
 * MyApplet.java
 *
 * Created on 25. April 2007, 18:27
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

/**
 *
 * @author Georg Kappelmeier
 */
public class MyApplet extends javax.swing.JApplet implements ActionListener{
  
    
    
    protected DefaultMutableTreeNode root;
    protected DefaultTreeModel treeModel;
    protected JTree tree;
    protected JTextField eingabe;
    protected JLabel title;
    protected Enumeration e;
    
    
    /**
     * Creates a new instance of MyApplet
     */
    public MyApplet(){
     
     root = new DefaultMutableTreeNode("Goal");
     treeModel = new DefaultTreeModel(root);
     tree = new JTree(treeModel);
     TreeSelectionModel tsm = new DefaultTreeSelectionModel();
     tsm.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
     tree.setSelectionModel(tsm);
     tree.addSelectionRow(0);
     tree.setRootVisible(true);
    
     //JTree einfügen
     Container cp = getContentPane();
     cp.add(new JScrollPane(tree), BorderLayout.CENTER);
     //ButtonPanel
     JPanel panel_buttons = new JPanel(new FlowLayout());
     String[] buttons = new String[]{"Add", "Del", "Change", "Nodes2Console"};
     for (int i = 0; i < buttons.length; ++i) {
       JButton button = new JButton(buttons[i]);
       button.addActionListener(this);
       panel_buttons.add(button);
     }
     eingabe = new JTextField(20);
     JPanel oben = new JPanel();
     oben.add(panel_buttons);
     JPanel unten = new JPanel();
     unten.add(eingabe);
     cp.add(unten, BorderLayout.SOUTH);
     cp.add(oben, BorderLayout.NORTH);
  
     


    }
    
   public void actionPerformed(ActionEvent event) {
     String cmd = event.getActionCommand();
     TreePath tp = tree.getLeadSelectionPath();
     
     if (tp != null) {
       DefaultMutableTreeNode node;
       node = (DefaultMutableTreeNode)tp.getLastPathComponent();
       if (cmd.equals("Add") && !eingabe.getText().equals("")) {  
         DefaultMutableTreeNode child;
         child = new DefaultMutableTreeNode(eingabe.getText());
         treeModel.insertNodeInto(child, node, node.getChildCount()); 
         TreeNode[] path = treeModel.getPathToRoot(node);
         tree.expandPath(new TreePath(path));
         eingabe.setText("");
         }
       if (cmd.equals("Del")) {
         if (node != root) {
           TreeNode parent = node.getParent();
           TreeNode[] path = treeModel.getPathToRoot(parent);
           treeModel.removeNodeFromParent(node); 
           tree.setSelectionPath(new TreePath(path));
         }
       }
       if (cmd.equals("Change") && !eingabe.getText().equals("")) { 
          String name = node.toString();
          node.setUserObject(eingabe.getText());
          treeModel.nodeChanged(node);
          eingabe.setText("");
       }
       if (cmd.equals("Nodes2Console")){
 
          DefaultMutableTreeNode aktnode = null; 
          int count_criteria = root.getChildCount();
          int default_depth = 1;
          System.out.println("Anzahl Hauptkriterien: "+count_criteria);
               
                   for (Enumeration e = root.preorderEnumeration() ; e.hasMoreElements() ;) {
                       
                        aktnode = (DefaultMutableTreeNode) e.nextElement();
                        System.out.println("Kriterium: "+aktnode);
                        TreeNode[] akt_path = aktnode.getPath();
                        int akt_length = akt_path.length;
                        for(int i=0;i<akt_length;i++){
                            System.out.println(akt_path[i]);
                        }
                        System.out.println("-----------------");
                   }
        
       }
       
     }
     
   }
   
   
}