import java.util.Enumeration;
import javax.swing.event.*;
import javax.swing.JFrame;
import javax.swing.JTree;
import javax.swing.tree.*;

/**
 * @version 1.0 2002-06-16
 * @author Takashi KOBAYASHI
 */
public class memo09ex3 {
	JTree tree;

	public memo09ex3() {
		tree = new JTree( new DefaultMutableTreeNode( "SwingSwinging.com" ) );
		TreeModel model = tree.getModel();

		TreeNode root = (TreeNode)model.getRoot();

		( (DefaultMutableTreeNode)root ).add( new DefaultMutableTreeNode( "Column" ) );
		( (DefaultMutableTreeNode)root ).add( new DefaultMutableTreeNode( "Desktop Java" ) );

		Enumeration enum = root.children();
		DefaultMutableTreeNode node;
		while( enum.hasMoreElements() ) {
			node = (DefaultMutableTreeNode)enum.nextElement();

			if( node.getUserObject().equals( "Column" ) ) {
				node.add( new DefaultMutableTreeNode( "JavaMemo" ) );
				node.add( new DefaultMutableTreeNode( "Diary" ) );
			}
			else if( node.getUserObject().equals( "Desktop Java" ) )
				node.add( new DefaultMutableTreeNode( "Not ReadMe" ) );
		}
		( (DefaultTreeModel)model ).reload();
	}

	public static void main( String[] args ) {
		memo09ex3 ex3 = new memo09ex3();

		JFrame frame = new JFrame( "Create Tree" );
		frame.getContentPane().add( ex3.tree );

		ex3.tree.addTreeSelectionListener( new TreeSelectionListener(){
			public void valueChanged( TreeSelectionEvent e ) {
				TreePath[] paths = e.getPaths();
				for( int i = 0; i < paths.length; i++ )
					if( e.isAddedPath( paths[i] ) ) {
						System.out.println( "Added New to Selection: " + paths[i].toString() );
						Object[] objs = paths[i].getPath();
						for( int j = 0; j < objs.length; j++ )
							System.out.println( "Path Component: " + objs[j].getClass().getName() + ", Value: " + objs[j].toString() );
						System.out.println( "LastPathComponent: " + paths[i].getLastPathComponent().getClass().getName() + ", Value: " + paths[i].getLastPathComponent().toString() );
						System.out.println();
					}
			}
		} );

		frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
		frame.pack();
		frame.setVisible( true );
	}
}