Java tutorial
/* * Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002. * All rights reserved. Software written by Ian F. Darwin and others. * $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * Java, the Duke mascot, and all variants of Sun's Java "steaming coffee * cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's, * pioneering role in inventing and promulgating (and standardizing) the Java * language and environment is gratefully acknowledged. * * The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for * inventing predecessor languages C and C++ is also gratefully acknowledged. */ import java.awt.Dimension; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.JDesktopPane; import javax.swing.JFrame; import javax.swing.JInternalFrame; import javax.swing.JLabel; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; /** * Internal Frames Demo * * @version $Id: JIFrameDemo.java,v 1.4 2003/07/15 01:46:47 ian Exp $ */ public class Main { /* Main View */ public static void main(String[] a) { final JFrame jf = new JFrame("JIFrameDemo Main Window"); Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); screenSize.width -= 42; screenSize.height -= 42; jf.setSize(screenSize); jf.setLocation(20, 20); JMenuBar mb = new JMenuBar(); jf.setJMenuBar(mb); JMenu fm = new JMenu("File"); mb.add(fm); JMenuItem mi; fm.add(mi = new JMenuItem("Exit")); mi.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { System.exit(0); } }); JDesktopPane dtp = new JDesktopPane(); //dtp.setBackground(Color.GREEN); jf.setContentPane(dtp); JInternalFrame mboxFrame = new JInternalFrame("Mail Reader", true, true, true, true); JLabel reader = new JLabel("Mail Reader Would Be Here"); mboxFrame.setContentPane(reader); mboxFrame.setSize(400, 300); mboxFrame.setLocation(50, 50); mboxFrame.setVisible(true); dtp.add(mboxFrame); JInternalFrame compFrame = new JInternalFrame("Compose Mail", true, true, true, true); JLabel composer = new JLabel("Mail Compose Would Be Here"); compFrame.setContentPane(composer); compFrame.setSize(300, 200); compFrame.setLocation(200, 200); compFrame.setVisible(true); dtp.add(compFrame); JInternalFrame listFrame = new JInternalFrame("Users", true, true, true, true); JLabel list = new JLabel("List of Users Would Be Here"); listFrame.setContentPane(list); listFrame.setLocation(400, 400); listFrame.setSize(500, 200); listFrame.setVisible(true); dtp.add(listFrame); jf.setVisible(true); jf.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { jf.setVisible(false); jf.dispose(); System.exit(0); } }); } }