Exceptions - Java Software Solutions: Foundations of Program Design - page 567

LISTING 11.12 continued

music[4] = JApplet.newAudioClip (url4);
music[5] = JApplet.newAudioClip (url5);
music[6] = JApplet.newAudioClip (url6);

JLabel titleLabel = new JLabel ("Java Juke Box");
titleLabel.setAlignmentX (Component.CENTER_ALIGNMENT);

// Create the list of strings for the combo box options
String[] musicNames = {"Make A Selection...", "Western Beat",
"Classical Melody", "Jeopardy Theme", "New Age Rythm",
"Eighties Jam", "Alfred Hitchcock's Theme"};

musicCombo = new JComboBox (musicNames);
musicCombo.setAlignmentX (Component.CENTER_ALIGNMENT);

// Set up the buttons
playButton = new JButton ("Play", new ImageIcon ("play.gif"));
playButton.setBackground (Color.white);
playButton.setMnemonic ('p');
stopButton = new JButton ("Stop", new ImageIcon ("stop.gif"));
stopButton.setBackground (Color.white);
stopButton.setMnemonic ('s');

JPanel buttons = new JPanel();
buttons.setLayout ( new BoxLayout (buttons, BoxLayout.X_AXIS));
buttons.add (playButton);
buttons.add (Box.createRigidArea ( new Dimension(5,0)));
buttons.add (stopButton);
buttons.setBackground (Color.cyan);

// Set up this panel
setPreferredSize ( new Dimension (300, 100));
setBackground (Color.cyan);
setLayout ( new BoxLayout ( this , BoxLayout.Y_AXIS));
add (Box.createRigidArea ( new Dimension(0,5)));
add (titleLabel);
add (Box.createRigidArea ( new Dimension(0,5)));
add (musicCombo);
add (Box.createRigidArea ( new Dimension(0,5)));
add (buttons);
add (Box.createRigidArea ( new Dimension(0,5)));

musicCombo.addActionListener ( new ComboListener());
stopButton.addActionListener ( new ButtonListener());