Master/Reference Architectures and Patterns/hjp5/examples/Listing3811.java


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/* Listing3811.java */

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

public class Listing3811
extends JFrame
{
  public Listing3811()
  {
    super("JTree 1");
    addWindowListener(new WindowClosingAdapter(true));
    //Einfaches TreeModel bauen
    DefaultMutableTreeNode root, child, subchild;
    root = new DefaultMutableTreeNode("Root");
    for (int i = 1; i <= 5; ++i) {
      String name = "Child-" + i;
      child = new DefaultMutableTreeNode(name);
      root.add(child);
      for (int j = 1; j <= 3; ++j) {
        subchild = new DefaultMutableTreeNode(name + "-" + j);
        child.add(subchild);
      }
    }
    //JTree erzeugen
    JTree tree = new JTree(root);
    tree.setRootVisible(true);
    //JTree einf�gen
    Container cp = getContentPane();
    cp.add(new JScrollPane(tree), BorderLayout.CENTER);
  }

  public static void main(String[] args)
  {
    Listing3811 frame = new Listing3811();
    frame.setLocation(100, 100);
    frame.setSize(250, 200);
    frame.setVisible(true);
  }
}