MooNoteElement.java

   1 import javax.swing.*;
   2 import java.awt.*;
   3 import java.awt.event.*;
   4
   5 /**
   6  * Graphical representation of a MIDI note.
   7  *
   8  * @author  Andersson, Andreen, Lanneskog, Pehrson
   9  * @version 1
  10  */
  11
  12 public class MooNoteElement extends JPanel{
  13
  14         private MooNote note;
  15         private boolean selected;
  16
  17         /**
  18          * Creates a new note element.
  19          * @param mn The note that will be graphically represented
  20          */
  21         public MooNoteElement (MooNote mn) {
  22                 note = mn;
  23                 setPreferredSize(new Dimension(20,20));
  24
  25                 class MouseList implements MouseListener{
  26                         public void mouseClicked(MouseEvent event){
  27                                 //Bring upp dialog to edit note.
  28                         }
  29
  30                         public void mouseEntered(MouseEvent event){
  31                                 //Show note props in statusbar?
  32                         }
  33
  34                         public void mouseExited(MouseEvent event){
  35                                 //Reset statusbar?
  36                         }
  37
  38                         public void mousePressed(MouseEvent event){     }
  39
  40                         public void mouseReleased(MouseEvent event){}
  41                 };
  42                 MouseListener listener = new MouseList();
  43                 addMouseListener(listener);
  44         }
  45
  46         /**
  47          * Returns true if the current NoteElement is selected, otherwise false.
  48          * @return if the element is selected
  49          */
  50         public boolean isSelected() {
  51                 return selected;
  52         }
  53
  54         /**
  55          * Selects the current NoteElement.
  56          * @param state if the element should be selected
  57          */
  58         public void setSelected(boolean state) {
  59                 selected = state;
  60         }
  61
  62         /**
  63          *
  64          */
  65         public void paintComponent(Graphics g)
  66         {
  67                 super.paintComponent(g);
  68
  69                 if (!(g instanceof Graphics2D))
  70                         return;
  71                 Graphics2D g2 = (Graphics2D)g;
  72
  73                 String note = ""; //TODO: shoudl really change this name..
  74                 int pitch = this.note.getPitch();
  75                 switch( pitch % 12)
  76                 {
  77                         case 0: note = "C"; break;
  78                         case 1: note = "C#"; break;
  79                         case 2: note = "D"; break;
  80                         case 3: note = "D#"; break;
  81                         case 4: note = "E"; break;
  82                         case 5: note = "F"; break;
  83                         case 6: note = "F#"; break;
  84                         case 7: note = "G"; break;
  85                         case 8: note ="G#"; break;
  86                         case 9: note = "A"; break;
  87                         case 10: note = "A#"; break;
  88                         case 11: note = "B"; break;
  89                 }
  90
  91                 g2.drawString(note +" "+(pitch/12), 2, 2);
  92
  93         }
  94
  95 }