MooNoteProp.java

   1 import javax.swing.*;
   2 import java.awt.*;
   3 import java.awt.event.*;
   4 import java.beans.*;
   5
   6 /**
   7  * Graphical representation of a MIDI note.
   8  *
   9  * @author  Andersson, Andreen, Lanneskog, Pehrson
  10  * @version 1
  11  */
  12
  13 public class MooNoteProp extends JDialog{
  14
  15         private MooNote note;
  16     private JOptionPane optionPane;
  17         private JTextField pitch;
  18         private JTextField velocity;
  19         private JTextField length;
  20
  21         /**
  22          * Creates a new note preference dialog.
  23          * @param mn The note that will be graphically represented
  24          */
  25     public MooNoteProp(MooNote mn) {
  26         super((JFrame)null, true);
  27                 note = mn;
  28         setTitle("Note properties");
  29
  30                 pitch = new JTextField(new Integer(note.getPitch()).toString(),3);
  31                 JPanel pitchpanel = new JPanel();
  32                 pitchpanel.add(new Label("Pitch: "));
  33                 pitchpanel.add(pitch);
  34
  35
  36                 velocity = new JTextField(new Integer(note.getVelocity()).toString(),3);
  37                 JPanel velocitypanel = new JPanel();
  38                 velocitypanel.add(new Label("Velocity: "));
  39                 velocitypanel.add(velocity);
  40
  41                 length = new JTextField(new Integer(note.getDuration()).toString(),5);
  42                 JPanel lengthpanel = new JPanel();
  43                 lengthpanel.add(new Label("Length: "));
  44                 lengthpanel.add(length);
  45
  46         Object[] array = {"Set the note properties",
  47                         pitchpanel,
  48                         velocitypanel,
  49                         lengthpanel};
  50
  51         final String btnString1 = "Enter";
  52         final String btnString2 = "Cancel";
  53         Object[] options = {btnString1, btnString2};
  54
  55         optionPane = new JOptionPane(array,
  56                                     JOptionPane.QUESTION_MESSAGE,
  57                                     JOptionPane.YES_NO_OPTION,
  58                                     null,
  59                                     options,
  60                                     options[0]);
  61         setContentPane(optionPane);
  62         setDefaultCloseOperation(EXIT_ON_CLOSE);
  63 /*
  64         textField.addActionListener(new ActionListener() {
  65             public void actionPerformed(ActionEvent e) {
  66                 optionPane.setValue(btnString1);
  67             }
  68         });
  69 */
  70         optionPane.addPropertyChangeListener(new PropertyChangeListener() {
  71             public void propertyChange(PropertyChangeEvent e) {
  72                 String prop = e.getPropertyName();
  73
  74                 if (isVisible()
  75                  && (e.getSource() == optionPane)
  76                  && (prop.equals(JOptionPane.VALUE_PROPERTY) ||
  77                      prop.equals(JOptionPane.INPUT_VALUE_PROPERTY))) {
  78                     Object value = optionPane.getValue();
  79
  80                     if (value == JOptionPane.UNINITIALIZED_VALUE) {
  81                         //ignore reset
  82                         return;
  83                     }
  84
  85                     // Reset the JOptionPane's value.
  86                     // If you don't do this, then if the user
  87                     // presses the same button next time, no
  88                     // property change event will be fired.
  89                     optionPane.setValue(
  90                             JOptionPane.UNINITIALIZED_VALUE);
  91
  92                     if (value.equals(btnString1)) {
  93                                                 note.setPitch(Integer.parseInt(pitch.getText()));
  94                                                 note.setVelocity(Integer.parseInt(velocity.getText()));
  95                                                 note.setDuration(Integer.parseInt(length.getText()));
  96
  97                         setVisible(false);
  98                     } else { // user closed dialog or clicked cancel
  99                         setVisible(false);
 100                     }
 101                 }
 102             }
 103         });
 104                 pack();
 105     }
 106
 107         public static void main(String[] args){
 108
 109                 MooNote n = new MooNote(0,0,10,20,0,30);
 110                 MooNoteProp prop = new MooNoteProp(n);
 111                 prop.setVisible(true);
 112                 prop = new MooNoteProp(n);
 113                 prop.setVisible(true);
 114
 115         }
 116 }