// Copyright MageLang Institute; Version $Id: //depot/main/src/edu/modules/Swing/magercises/TreeRender/TreePanel.java#2 $
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.tree.*;

public class TreePanel extends JPanel {
  public TreePanel(TreeNode root /* add a TreeCellRenderer Parameter */) {
    // use a layout that will stretch tree to panel size
    setLayout(new BorderLayout());

    // Create tree
    JTree tree = new JTree(root);

    // Set line style
    tree.putClientProperty("JTree.lineStyle", "Angled");

    // Change the cell renderer

    // Put tree in a scrollable pane
    JScrollPane sp = new JScrollPane(tree);

    add(sp, BorderLayout.CENTER);
  }
}