package com.ack.gui.swing.simple;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.*;
import javax.swing.tree.DefaultMutableTreeNode;
public class SimpleJTreeExample extends JFrame {
public static void main( String[] argv ) {
SimpleJTreeExample myExample = new SimpleJTreeExample( "Simple JTree Example" );
}
public SimpleJTreeExample( String title ) {
super( title );
setSize( 150, 150 );
addWindowListener( new WindowAdapter() {
public void windowClosing( WindowEvent we ) {
dispose();
System.exit( 0 );
}
} );
init();
pack();
setVisible( true );
}
private void init() {
DefaultMutableTreeNode root = new DefaultMutableTreeNode( "Calendar" );
DefaultMutableTreeNode months = new DefaultMutableTreeNode( "Months" );
root.add( months );
String monthLabels[] = {"January", "February", "March", "April", "May",
"June", "July", "August", "September", "October", "November", "December"};
for( int i = 0; i < monthLabels.length; i++ )
months.add( new DefaultMutableTreeNode( monthLabels[i] ) );
DefaultMutableTreeNode weeks = new DefaultMutableTreeNode( "Weeks" );
root.add( weeks );
String weekLabels[] = {"Monday", "Tuesday", "Wednesday", "Thursday",
"Friday", "Saturday", "Sunday"};
for( int i = 0; i < weekLabels.length; i++ )
weeks.add( new DefaultMutableTreeNode( weekLabels[i] ) );
JScrollPane js = new JScrollPane( new JTree( root ) );
getContentPane().add( js );
}
}