MooTrackView.java

   1 import javax.swing.*;
   2 import java.awt.event.*;
   3 import java.awt.*;
   4
   5 /**
   6  * Graphical representation of a MIDI track.
   7  *
   8  * @author  Andersson , Andreen, Lanneskog, Pehrson
   9  * @version 1
  10  */
  11
  12 public class MooTrackView extends JPanel implements ActionListener {
  13
  14         private MooTrackTitle title;
  15         private NoteArea notes;
  16         private Rectangle box;
  17         private JPopupMenu popup;
  18         private JMenuItem menuItem;
  19         private String newline = "\n";
  20
  21         public MooTrackView () {
  22                 setLayout(new BorderLayout());
  23                 this.setBorder(BorderFactory.createLineBorder(Color.black));
  24                 add(trackTitle(), BorderLayout.NORTH);
  25                 add(noteView(), BorderLayout.CENTER);
  26         }
  27
  28         private JPanel trackTitle () {
  29                 title = new MooTrackTitle();
  30                 title.setPreferredSize(new Dimension(PANEL_WIDTH, TITLE_HEIGHT));
  31                 title.setBorder(BorderFactory.createLineBorder(Color.black));
  32                 return title;
  33         }
  34
  35         private JPanel noteView () {
  36                 notes = new NoteArea();
  37                 notes.setBackground(Color.white);
  38                 notes.setBorder(BorderFactory.createLineBorder(Color.black));
  39
  40                 popup = new JPopupMenu();
  41         menuItem = new JMenuItem("Add...");
  42         menuItem.addActionListener(this);
  43         popup.add(menuItem);
  44         menuItem = new JMenuItem("Preferences...");
  45         menuItem.addActionListener(this);
  46         popup.add(menuItem);
  47
  48         MouseListener popupListener = new PopupListener();
  49         notes.addMouseListener(popupListener);
  50
  51                 return notes;
  52         }
  53
  54         public void actionPerformed(ActionEvent e) {
  55         JMenuItem source = (JMenuItem)(e.getSource());
  56         String s = "Action event detected."
  57                    + newline
  58                    + "    Event source: " + source.getText();
  59      }
  60
  61         class NoteArea extends JPanel {
  62                 public void RectanglePanel() {
  63                         setPreferredSize(new Dimension(20, 20));
  64
  65                 }
  66
  67                 public void paintComponent(Graphics g) {
  68                         super.paintComponent(g);
  69                         Graphics2D g2 = (Graphics2D)g;
  70                         for (int c=0;c<1000;c=c+20) {
  71                                 int r=0;
  72                                 for (r=0;r<200;r=r+20) {
  73                                         box = new Rectangle(r,c,20,20);
  74                                         g2.setColor(Color.gray);
  75                                         g2.draw(box);
  76                                 }
  77                         }
  78                 }
  79         }
  80
  81         class PopupListener extends MouseAdapter {
  82         public void mousePressed(MouseEvent e) {
  83             maybeShowPopup(e);
  84         }
  85
  86         public void mouseReleased(MouseEvent e) {
  87             maybeShowPopup(e);
  88         }
  89
  90         private void maybeShowPopup(MouseEvent e) {
  91             if (e.isPopupTrigger()) {
  92                 popup.show(e.getComponent(),
  93                            e.getX(), e.getY());
  94             }
  95         }
  96     }
  97
  98         private static final int PANEL_WIDTH = 65;
  99         private static final int TITLE_HEIGHT = 40;
 100         private static final int NOTEVIEW_HEIGHT = 200;
 101 }