import java.awt.*;
import javax.swing.*;
import javax.swing.tree.*;

public class Okno extends javax.swing.JFrame {

    /** Creates new form Okno */
    public Okno() {
        initComponents();
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jScrollPane1 = new javax.swing.JScrollPane();
        jTree1 = new javax.swing.JTree();
        area = new javax.swing.JLayeredPane();
        jButton1 = new javax.swing.JButton();
        jCheckBox1 = new javax.swing.JCheckBox();
        jRadioButton1 = new javax.swing.JRadioButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jScrollPane1.setViewportView(jTree1);

        area.setBorder(javax.swing.BorderFactory.createEtchedBorder());

        jButton1.setText("jButton1");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });
        jButton1.setBounds(10, 10, 75, 23);
        area.add(jButton1, javax.swing.JLayeredPane.DEFAULT_LAYER);

        jCheckBox1.setText("jCheckBox1");
        jCheckBox1.setBounds(10, 40, 81, 23);
        area.add(jCheckBox1, javax.swing.JLayeredPane.DEFAULT_LAYER);

        jRadioButton1.setText("jRadioButton1");
        jRadioButton1.setBounds(10, 70, 93, 23);
        area.add(jRadioButton1, javax.swing.JLayeredPane.DEFAULT_LAYER);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 252, Short.MAX_VALUE)
                .addGap(18, 18, 18)
                .addComponent(area, javax.swing.GroupLayout.PREFERRED_SIZE, 260, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                    .addComponent(area, javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 272, Short.MAX_VALUE))
                .addContainerGap())
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

// import java.awt.*;
// import javax.swing.*;
// import javax.swing.tree.*;

DefaultTreeModel model;

private void show (MyNode above,
                   Container cont)
{
    int n = cont.getComponentCount();
    for (int i = 0; i < n; i++)
    {
        Component c = cont.getComponent(i);
        MyNode node = new  MyNode (c);
        above.add (node);
        if (c instanceof Container)
            show (node, (Container) c);
    }
}


    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
        MyNode root =
                new  MyNode (this);
        show (root, this);
        model = new DefaultTreeModel (root);
        jTree1.setModel (model);
    }//GEN-LAST:event_jButton1ActionPerformed

    /**
    * @param args the command line arguments
    */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Okno().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JLayeredPane area;
    private javax.swing.JButton jButton1;
    private javax.swing.JCheckBox jCheckBox1;
    private javax.swing.JRadioButton jRadioButton1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTree jTree1;
    // End of variables declaration//GEN-END:variables
}