The Sound of Encryption
import java.io.*;
import java.util.*;
import javax.crypto.*;
import javax.crypto.spec.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import jm.music.data.*;
import jm.util.*;
import sun.misc.*;
public class MidiFrame extends JFrame {
JPanel contentPane;
JMenuBar menuBar1 = new JMenuBar();
JMenu menuFile = new JMenu();
JMenuItem menuFileExit = new JMenuItem();
JMenu menuHelp = new JMenu();
JMenuItem menuHelpAbout = new JMenuItem();
JToolBar toolBar = new JToolBar();
JButton jButton1 = new JButton();
JButton jButton2 = new JButton();
JButton jButton3 = new JButton();
ImageIcon image1;
ImageIcon image2;
ImageIcon image3;
JLabel statusBar = new JLabel();
JScrollPane jScrollPane1 = new JScrollPane();
JTextArea jTextArea1 = new JTextArea();
JMenuItem jMenuItem2 = new JMenuItem();
JMenuItem jMenuItem3 = new JMenuItem();
JMenuItem jMenuItem4 = new JMenuItem();
JFileChooser jFileChooser1 = new JFileChooser();
String currFileName = null; // Full path with filename.
boolean dirty = false;
Score score;
JSlider jSlider1 = new JSlider();
JPasswordField jPasswordField1 = new JPasswordField();
JSlider jSlider2 = new JSlider();
JSlider jSlider3 = new JSlider();
JButton jButton4 = new JButton();
JButton jButton5 = new JButton();
JButton jButton6 = new JButton();
Play play = new Play();
boolean playing = false;
private static int ITERATIONS = 1000;
/**
* Construct the frame
*/
public MidiFrame() {
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
try {
jbInit();
updateCaption();
}
catch(Exception e) {
e.printStackTrace();
}
}
/**
* Component initialization
*
* @throws Exception exception
*/
private void jbInit() throws Exception {
image1 = new ImageIcon(MidiFrame.class.getResource("openFile.gif"));
image2 = new ImageIcon(MidiFrame.class.getResource("closeFile.gif"));
image3 = new ImageIcon(MidiFrame.class.getResource("help.gif"));
contentPane = (JPanel) this.getContentPane();
contentPane.setLayout(null);
this.setSize(new Dimension(400, 300));
this.setTitle("The Sound of Encryption");
statusBar.setText(" ");
statusBar.setBounds(new Rectangle(0, 285, 399, 15));
menuFile.setText("File");
menuFileExit.setText("Exit");
menuFileExit.addActionListener(
new MidiFrame_menuFileExit_ActionAdapter(this));
menuHelp.setText("Help");
menuHelpAbout.setText("About");
menuHelpAbout.addActionListener(
new MidiFrame_menuHelpAbout_ActionAdapter(this));
jButton1.setIcon(image1);
jButton1.addActionListener(new MidiFrame_jButton1_actionAdapter(this));
jButton1.setToolTipText("Open File");
jButton2.setIcon(image2);
jButton2.addActionListener(new MidiFrame_jButton2_actionAdapter(this));
jButton2.setToolTipText("Save File");
jButton3.setIcon(image3);
jButton3.addActionListener(new MidiFrame_jButton3_actionAdapter(this));
jButton3.setToolTipText("About");
jTextArea1.setLineWrap(true);
jTextArea1.setWrapStyleWord(true);
jTextArea1.setBackground(Color.white);
jMenuItem2.setText("Open");
jMenuItem2.addActionListener(
new MidiFrame_jMenuItem2_actionAdapter(this));
jMenuItem3.setText("Save");
jMenuItem3.addActionListener(
new MidiFrame_jMenuItem3_actionAdapter(this));
jMenuItem4.setText("Save As");
jMenuItem4.addActionListener(
new MidiFrame_jMenuItem4_actionAdapter(this));
jScrollPane1.setBounds(new Rectangle(0, 183, 400, 102));
toolBar.setBounds(new Rectangle(0, 0, 400, 25));
jSlider1.setMajorTickSpacing(1);
jSlider1.setMaximum(5);
jSlider1.setPaintLabels(true);
jSlider1.setPaintTicks(true);
jSlider1.setBounds(new Rectangle(44, 30, 315, 45));
jSlider1.setSnapToTicks(true);
jSlider1.addMouseListener(new MidiFrame_jSlider1_mouseAdapter(this));
jSlider1.addInputMethodListener(new
MidiFrame_jSlider1_inputMethodAdapter(this));
jSlider1.setEnabled(false);
jSlider1.setValue(0);
jPasswordField1.setToolTipText("");
jPasswordField1.setText("");
jPasswordField1.setBounds(new Rectangle(120, 125, 146, 20));
jSlider2.setBounds(new Rectangle(0, 0, 200, 24));
jSlider3.setMajorTickSpacing(1);
jSlider3.setMaximum(5);
jSlider3.setSnapToTicks(true);
jSlider3.setPaintLabels(true);
jSlider3.setPaintTicks(true);
jSlider3.setBounds(new Rectangle(42, 77, 315, 45));
jSlider3.setEnabled(false);
jSlider3.setValue(0);
jButton4.setBounds(new Rectangle(26, 154, 108, 22));
jButton4.setText("Get Message");
jButton4.addActionListener(new MidiFrame_jButton4_actionAdapter(this));
jButton5.setBounds(new Rectangle(155, 153, 102, 23));
jButton5.setText("Hide Message");
jButton5.addActionListener(new MidiFrame_jButton5_actionAdapter(this));
jButton6.setBounds(new Rectangle(292, 155, 83, 23));
jButton6.setText("Play Midi");
jButton6.addActionListener(new MidiFrame_jButton6_actionAdapter(this));
toolBar.add(jButton1);
toolBar.add(jButton2);
toolBar.add(jButton3);
menuFile.add(jMenuItem2);
menuFile.add(jMenuItem3);
menuFile.add(jMenuItem4);
menuFile.addSeparator();
menuFile.add(menuFileExit);
menuHelp.add(menuHelpAbout);
menuBar1.add(menuFile);
menuBar1.add(menuHelp);
this.setJMenuBar(menuBar1);
jScrollPane1.getViewport().add(jTextArea1, null);
contentPane.add(toolBar, null);
contentPane.add(statusBar, null);
contentPane.add(jScrollPane1, null);
contentPane.add(jButton4);
contentPane.add(jButton6);
contentPane.add(jButton5);
contentPane.add(jSlider3);
contentPane.add(jSlider1);
contentPane.add(jPasswordField1);
}
/**
* Display the About box.
*/
void helpAbout() {
MidiFrame_AboutBox dlg = new MidiFrame_AboutBox(this);
Dimension dlgSize = dlg.getPreferredSize();
Dimension frmSize = getSize();
Point loc = getLocation();
dlg.setLocation((frmSize.width - dlgSize.width) / 2 + loc.x, (
frmSize.height - dlgSize.height) / 2 + loc.y);
dlg.setModal(true);
dlg.show();
}
/**
* Handle the File|Open menu or button, invoking okToAbandon and openFile
* as needed.
*/
void fileOpen() {
if (!okToAbandon()) {
return;
}
// Use the OPEN version of the dialog, test return for Approve/Cancel
if (JFileChooser.APPROVE_OPTION == jFileChooser1.showOpenDialog(this)) {
// Call openFile to attempt to load the text from file into TextArea
openFile(jFileChooser1.getSelectedFile().getPath());
currFileName = jFileChooser1.getSelectedFile().getName();
updateCaption();
}
this.repaint();
}
/**
* Open named file; read text from file into jTextArea1; report to
* statusBar.
*
* @param fileName String
*/
void openFile(String fileName) {
try {
// Open a file of the given name.
File file = new File(fileName);
parse(file);
jSlider1.setEnabled(true);
jSlider3.setEnabled(true);
jSlider3.setMaximum(score.getPart(jSlider1.getValue()).size());
updateCaption();
}
catch (Exception e)
{
System.out.println(e);
}
}
void parse (File file)
{
updateCaption();
score = Read.midiOrJmWithNoMessaging(file);
jSlider1.setMinimum(0);
jSlider1.setMaximum(score.size() - 1);
}
void saveMidi()
{
Score s = new Score();
s.addPartList(score.getPartArray());
Write.midi(s,currFileName);
updateCaption();
}
/**
* Save current file; handle not yet having a filename; report to
* statusBar.
*
* @return boolean
*/
boolean saveFile() {
// Handle the case where we don't have a file name yet.
if (currFileName == null) {
return saveAsFile();
}
saveMidi();
return false;
}
/**
* Save current file, asking user for new destination name. Report to statuBar
*
* @return boolean
*/
boolean saveAsFile() {
this.repaint();
// Use the SAVE version of the dialog, test return for Approve/Cancel
if (JFileChooser.APPROVE_OPTION == jFileChooser1.showSaveDialog(this)) {
// Set the current file name to the user's selection,
// then do a regular saveFile
currFileName = jFileChooser1.getSelectedFile().getPath();
//repaints menu after item is selected
this.repaint();
return saveFile();
}
else {
this.repaint();
return false;
}
}
/**
* Check if file is dirty. If so get user to make a "Save? yes/no/cancel"
* decision.
*
* @return boolean
*/
boolean okToAbandon() {
if (!dirty) {
return true;
}
int value = JOptionPane.showConfirmDialog(this, "Save changes?",
"Midi Edit", JOptionPane.YES_NO_CANCEL_OPTION) ;
switch (value) {
case JOptionPane.YES_OPTION:
// yes, please save changes
return saveFile();
case JOptionPane.NO_OPTION:
// no, abandon edits
// i.e. return true without saving
return true;
case JOptionPane.CANCEL_OPTION:
default:
// cancel
return false;
}
}
/**
* Update the caption of the application to show the filename
* and its dirty state.
*/
void updateCaption() {
String caption;
if (currFileName == null) {
// synthesize the "Untitled" name if no name yet.
caption = "Untitled";
}
else {
caption = currFileName;
}
// add a "*" in the caption if the file is dirty.
if (dirty) {
caption = "* " + caption;
}
caption = "The Sound of Music v. 1.0 - " + caption;
this.setTitle(caption);
}
/**
* File | Exit action performed
*
* @param e ActionEvent
*/
public void fileExit_actionPerformed(ActionEvent e) {
if (okToAbandon()) {
System.exit(0);
}
}
/*Retrieves the text from a selected part and phrase of a MIDI file */
public void getText()
{
//Prevents calling on a nonexistent part or phrase.
if (score.getPart(jSlider1.getValue()).getPhrase(jSlider3.getValue()) != null)
{
//Creates a character array based on the length of the selected phrase
char[] text = new char[score.getPart(
jSlider1.getValue()).getPhrase(jSlider3.getValue()).size()];
//Create String to hold the recovered text
String str = "";
String encStr = "";
try {
//Converts all notes pitches of selected phrase into characters and
//stores them in the text character array.
for (int i = 0;
i < score.getPart(jSlider1.getValue()).getPhrase(
jSlider3.getValue()).size(); i++) {
text[i] = (char) score.getPart(
jSlider1.getValue()).getPhrase(
jSlider3.getValue()).getNote(i).getPitch();
}
//Constructs a String from the text character array.
str = new String(text);
//Decrypts the String using the password in the password box
encStr = decrypt(jPasswordField1.getPassword(), str);
//Sets the TextArea to the decrypted text
jTextArea1.setText(encStr);
}
//Outputs any exceptions to the terminal screen.
catch (Exception e) {
System.out.println(e);
}
}
}
/*Hides whatever text is in the TextArea and put it into the midi file. */
public void hideText()
{
try{
//Get Text from TextArea
String text = jTextArea1.getText();
//Encrypt the text message using the encrypt method
String encryptText = encrypt(jPasswordField1.getPassword(), text);
//Get all parts from the score
ArrayList partsList = new ArrayList();
for (int i = 0; i < score.size(); i++) {
partsList.add(score.getPart(i));
}
//Create a local phrase
Phrase phrase = new Phrase();
//Create an ArrayList for all the phrases
ArrayList phrasesList = new ArrayList();
//Create an array for notes the same length as characters in the text
//message
Note[] newNotes = new Note[encryptText.length()];
//Turn each character of the text message into the pitch of a note.
for (int i = 0; i < encryptText.length(); i++) {
newNotes[i] = new Note( (int) encryptText.charAt(i), 1);
}
//Create the phrase using the new notes.
phrase.addNoteList(newNotes);
//Mute the phrase
phrase.setMute(true);
//Set start time the same as the original selected phrase.
phrase.setStartTime(
score.getPart(jSlider1.getValue()).getPhrase(
jSlider3.getValue()).getStartTime());
//Get all phrases from the score
for (int i = 0; i < score.getPart(jSlider1.getValue()).length(); i++) {
phrasesList.add(score.getPart(jSlider1.getValue()).getPhrase(i));
}
//Add the newly created phrase to the phrase ArrayList at the selected
//position.
phrasesList.add(jSlider3.getValue() + 1, phrase);
//Create a new part
Part part = new Part();
//Create a new Array to use in the addPhrasesArray method
Phrase[] phraseArray = new Phrase[phrasesList.size()];
//Get all phrases from the ArrayList and put them in an array
for (int i = 0; i < phrasesList.size(); i++) {
phraseArray[i] = (Phrase) phrasesList.get(i);
}
//Add the newly created phrase Array to the newly constructed part
part.addPhraseList(phraseArray);
//Replace the current part with the newly constructed part
partsList.set(jSlider1.getValue(), part);
//Create a new part Array for use with the score constructor
Part[] partList = new Part[partsList.size()];
//Get all parts from the ArrayList and put them into an array
for (int i = 0; i < partsList.size(); i++) {
partList[i] = (Part) partsList.get(i);
}
//Construct the new score
score = new Score(partList);
//Prompt to save the newly created score
saveAsFile();
}
//Catch any exceptions and print to terminal screen
catch (Exception e)
{
System.out.println(e);
}
}
/**
* Help | About action performed
*
* @param e ActionEvent
*/
public void helpAbout_actionPerformed(ActionEvent e) {
helpAbout();
}
/**
* Overridden so we can exit when window is closed
*
* @param e WindowEvent
*/
protected void processWindowEvent(WindowEvent e) {
super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
fileExit_actionPerformed(null);
}
}
void jMenuItem1_actionPerformed(ActionEvent e) {
// Handle the File|New menu item.
if (okToAbandon()) {
// clears the text of the TextArea
jTextArea1.setText("");
// clear the current filename and set the file as clean:
currFileName = null;
dirty = false;
updateCaption();
}
}
void jMenuItem2_actionPerformed(ActionEvent e) {
//Handle the File|Open menu item.
fileOpen();
}
void jMenuItem3_actionPerformed(ActionEvent e) {
//Handle the File|Save menu item.
saveFile();
}
void jMenuItem4_actionPerformed(ActionEvent e) {
//Handle the File|Save As menu item.
saveAsFile();
}
void jButton1_actionPerformed(ActionEvent e) {
//Handle tool bar Open button
fileOpen();
}
void jButton2_actionPerformed(ActionEvent e) {
//Handle tool bar Save button
saveFile();
}
void jButton3_actionPerformed(ActionEvent e) {
//Handle tool bar About button
helpAbout();
}
public void jSlider1_caretPositionChanged(InputMethodEvent event) {
jSlider3.setMinimum(0);
jSlider3.setMaximum(score.getPart(jSlider1.getValue()).size() - 1);
}
public void jButton4_actionPerformed(ActionEvent e) {
getText();
}
public void jButton5_actionPerformed(ActionEvent e) {
hideText();
}
public void jButton6_actionPerformed(ActionEvent e) {
if (!playing)
{
play.midi(score);
jButton6.setText("Stop Playing");
playing = true;
System.out.println("YEP, MADE IT THROGH THE IF.");
}
else
{
play.stopMidi();
jButton6.setText("Play Midi");
}
}
private static String encrypt(char[] password, String plaintext)
throws Exception
{
// Begin by creating a random salt of 64 bits (8 bytes)
byte[] salt = new byte[8];
Random random = new Random();
random.nextBytes(salt);
// Create the PBEKeySpec with the given password
PBEKeySpec keySpec = new PBEKeySpec(password);
// Get a SecretKeyFactory for PBEWithSHAAndTwofish
SecretKeyFactory keyFactory =
SecretKeyFactory.getInstance("PBEWithSHAAndTwofish-CBC");
// Create our key
SecretKey key = keyFactory.generateSecret(keySpec);
// Now create a parameter spec for our salt and iterations
PBEParameterSpec paramSpec = new PBEParameterSpec(salt, ITERATIONS);
// Create a cipher and initialize it for encrypting
Cipher cipher = Cipher.getInstance("PBEWithSHAAndTwofish-CBC");
cipher.init(Cipher.ENCRYPT_MODE, key, paramSpec);
byte[] ciphertext = cipher.doFinal(plaintext.getBytes());
BASE64Encoder encoder = new BASE64Encoder();
String saltString = encoder.encode(salt);
String ciphertextString = encoder.encode(ciphertext);
return saltString+ciphertextString;
}
private static String decrypt(char[] password, String text)
throws Exception
{
// Below we split the text into salt and text strings.
String salt = text.substring(0,12);
String ciphertext = text.substring(12,text.length());
// BASE64Decode the bytes for the salt and the ciphertext
BASE64Decoder decoder = new BASE64Decoder();
byte[] saltArray = decoder.decodeBuffer(salt);
byte[] ciphertextArray = decoder.decodeBuffer(ciphertext);
// Create the PBEKeySpec with the given password
PBEKeySpec keySpec = new PBEKeySpec(password);
// Get a SecretKeyFactory for PBEWithSHAAndTwofish
SecretKeyFactory keyFactory =
SecretKeyFactory.getInstance("PBEWithSHAAndTwofish-CBC");
// Create our key
SecretKey key = keyFactory.generateSecret(keySpec);
// Now create a parameter spec for our salt and iterations
PBEParameterSpec paramSpec =
new PBEParameterSpec(saltArray, ITERATIONS);
// Create a cipher and initialize it for encrypting
Cipher cipher = Cipher.getInstance("PBEWithSHAAndTwofish-CBC");
cipher.init(Cipher.DECRYPT_MODE, key, paramSpec);
// Perform the actual decryption
byte[] plaintextArray = cipher.doFinal(ciphertextArray);
return new String(plaintextArray);
}
public void jSlider1_mouseClicked(MouseEvent e) {
jSlider3.setMinimum(0);
System.out.println("That number is: " + score.getPart(
jSlider1.getValue()).size());
jSlider3.setMaximum(score.getPart(jSlider1.getValue()).size() - 1);
}
}
class MidiFrame_jButton4_actionAdapter
implements ActionListener {
private MidiFrame adaptee;
MidiFrame_jButton4_actionAdapter(MidiFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton4_actionPerformed(e);
}
}
class MidiFrame_jButton6_actionAdapter
implements ActionListener {
private MidiFrame adaptee;
MidiFrame_jButton6_actionAdapter(MidiFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton6_actionPerformed(e);
}
}
class MidiFrame_jButton5_actionAdapter
implements ActionListener {
private MidiFrame adaptee;
MidiFrame_jButton5_actionAdapter(MidiFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton5_actionPerformed(e);
}
}
class MidiFrame_jSlider1_inputMethodAdapter
implements InputMethodListener {
private MidiFrame adaptee;
MidiFrame_jSlider1_inputMethodAdapter(MidiFrame adaptee) {
this.adaptee = adaptee;
}
public void inputMethodTextChanged(InputMethodEvent event) {
}
public void caretPositionChanged(InputMethodEvent event) {
adaptee.jSlider1_caretPositionChanged(event);
}
}
class MidiFrame_jSlider1_mouseAdapter
extends MouseAdapter {
private MidiFrame adaptee;
MidiFrame_jSlider1_mouseAdapter(MidiFrame adaptee) {
this.adaptee = adaptee;
}
public void mouseClicked(MouseEvent e) {
adaptee.jSlider1_mouseClicked(e);
}
}
class MidiFrame_menuFileExit_ActionAdapter implements ActionListener {
MidiFrame adaptee;
MidiFrame_menuFileExit_ActionAdapter(MidiFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.fileExit_actionPerformed(e);
}
}
class MidiFrame_menuHelpAbout_ActionAdapter implements ActionListener {
MidiFrame adaptee;
MidiFrame_menuHelpAbout_ActionAdapter(MidiFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.helpAbout_actionPerformed(e);
}
}
class MidiFrame_jMenuItem1_actionAdapter implements
java.awt.event.ActionListener {
MidiFrame adaptee;
MidiFrame_jMenuItem1_actionAdapter(MidiFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jMenuItem1_actionPerformed(e);
}
}
class MidiFrame_jMenuItem2_actionAdapter implements
java.awt.event.ActionListener {
MidiFrame adaptee;
MidiFrame_jMenuItem2_actionAdapter(MidiFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jMenuItem2_actionPerformed(e);
}
}
class MidiFrame_jMenuItem3_actionAdapter implements
java.awt.event.ActionListener {
MidiFrame adaptee;
MidiFrame_jMenuItem3_actionAdapter(MidiFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jMenuItem3_actionPerformed(e);
}
}
class MidiFrame_jMenuItem4_actionAdapter implements
java.awt.event.ActionListener {
MidiFrame adaptee;
MidiFrame_jMenuItem4_actionAdapter(MidiFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jMenuItem4_actionPerformed(e);
}
}
class MidiFrame_jButton1_actionAdapter implements
java.awt.event.ActionListener {
MidiFrame adaptee;
MidiFrame_jButton1_actionAdapter(MidiFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton1_actionPerformed(e);
}
}
class MidiFrame_jButton2_actionAdapter implements
java.awt.event.ActionListener {
MidiFrame adaptee;
MidiFrame_jButton2_actionAdapter(MidiFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton2_actionPerformed(e);
}
}
class MidiFrame_jButton3_actionAdapter implements
java.awt.event.ActionListener {
MidiFrame adaptee;
MidiFrame_jButton3_actionAdapter(MidiFrame adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton3_actionPerformed(e);
}
}
Code - MidiClass.java
import javax.swing.UIManager;
import java.awt.*;
public class MidiClass {
boolean packFrame = false;
/**
* Construct the application
*/
public MidiClass() {
MidiFrame frame = new MidiFrame();
//Validate frames that have preset sizes
//Pack frames that have useful preferred size info, e.g. from their layout
if (packFrame) {
frame.pack();
}
else {
frame.validate();
}
//Center the window
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = frame.getSize();
if (frameSize.height > screenSize.height) {
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width) {
frameSize.width = screenSize.width;
}
frame.setLocation((screenSize.width - frameSize.width) / 2, (
screenSize.height - frameSize.height) / 2);
frame.setVisible(true);
}
/**
* Main method
*
* @param args String[]
*/
public static void main(String[] args) {
try {
UIManager.setLookAndFeel(
UIManager.getCrossPlatformLookAndFeelClassName());
}
catch(Exception e) {
e.printStackTrace();
}
new MidiClass();
}
}
Code - MidiFrame_AboutBox.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
public class MidiFrame_AboutBox extends JDialog implements ActionListener {
JPanel panel1 = new JPanel();
JPanel panel2 = new JPanel();
JPanel insetsPanel1 = new JPanel();
JPanel insetsPanel2 = new JPanel();
JPanel insetsPanel3 = new JPanel();
JButton button1 = new JButton();
JLabel imageControl1 = new JLabel();
ImageIcon imageIcon;
JLabel label1 = new JLabel();
JLabel label2 = new JLabel();
JLabel label3 = new JLabel();
JLabel label4 = new JLabel();
BorderLayout borderLayout1 = new BorderLayout();
BorderLayout borderLayout2 = new BorderLayout();
FlowLayout flowLayout1 = new FlowLayout();
FlowLayout flowLayout2 = new FlowLayout();
GridLayout gridLayout1 = new GridLayout();
String product = "The Sound of Encryption";
String version = "Version 1.0";
String copyright = "Copyright (c) 2005";
String comments = "Hides a message within a MIDI file.";
public MidiFrame_AboutBox(Frame parent) {
super(parent);
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
try {
jbInit();
}
catch(Exception e) {
e.printStackTrace();
}
pack();
}
private void jbInit() throws Exception {
//imageIcon = new ImageIcon(getClass().getResource("[Your Image]"));
this.setTitle("About");
setResizable(false);
panel1.setLayout(borderLayout1);
panel2.setLayout(borderLayout2);
insetsPanel1.setLayout(flowLayout1);
insetsPanel2.setLayout(flowLayout1);
insetsPanel2.setBorder(new EmptyBorder(10, 10, 10, 10));
gridLayout1.setRows(4);
gridLayout1.setColumns(1);
label1.setText(product);
label2.setText(version);
label3.setText(copyright);
label4.setText(comments);
insetsPanel3.setLayout(gridLayout1);
insetsPanel3.setBorder(new EmptyBorder(10, 60, 10, 10));
button1.setText("Ok");
button1.addActionListener(this);
insetsPanel2.add(imageControl1, null);
panel2.add(insetsPanel2, BorderLayout.WEST);
this.getContentPane().add(panel1, null);
insetsPanel3.add(label1, null);
insetsPanel3.add(label2, null);
insetsPanel3.add(label3, null);
insetsPanel3.add(label4, null);
panel2.add(insetsPanel3, BorderLayout.CENTER);
insetsPanel1.add(button1, null);
panel1.add(insetsPanel1, BorderLayout.SOUTH);
panel1.add(panel2, BorderLayout.NORTH);
}
protected void processWindowEvent(WindowEvent e) {
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
cancel();
}
super.processWindowEvent(e);
}
void cancel() {
dispose();
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == button1) {
cancel();
}
}
}