import javax.swing.*;
+import java.awt.*;
+import java.awt.event.*;
+import javax.sound.midi.*;
/**
+ * Graphical representation of a MIDI track.
*
- *
- * @author Andersson, Andreen, Lanneskog, Pehrson
+ * @author Andersson , Andreen, Lanneskog, Pehrson
* @version 1
*/
-
-public class MooTrackView {
+
+public class MooTrackView extends JPanel implements ActionListener {
+
+ private Track track;
+ private MooTrackTitle title;
+ private NoteArea notes;
+ private Rectangle box;
+ private JPopupMenu popup;
+ private JMenuItem menuItem;
+ protected static int viewLength = 0;
+
+
+ public MooTrackView (Track track) {
+ this.track = track;
+ //setPreferredSize(new Dimension(200, 9000));
+ setLayout(new BorderLayout());
+ this.setBorder(BorderFactory.createLineBorder(Color.black));
+
+ title = new MooTrackTitle(track);
+ title.setBorder(BorderFactory.createLineBorder(Color.black));
+ add(title, BorderLayout.NORTH);
+
+ notes = new NoteArea(track);
+ notes.setBackground(Color.white);
+ notes.setBorder(BorderFactory.createLineBorder(Color.black));
+
+ popup = new JPopupMenu();
+ menuItem = new JMenuItem("Add...");
+ menuItem.addActionListener(this);
+ popup.add(menuItem);
+ menuItem = new JMenuItem("Preferences...");
+ menuItem.addActionListener(this);
+ popup.add(menuItem);
+
+ notes.addMouseListener(new PopupListener());
+ add(notes, BorderLayout.CENTER);
+ }
+
+ public void actionPerformed(ActionEvent e) {}
+
+ public Track getTrack() {
+ return track;
+ }
+
/**
- * Creates
+ * Updates the track view.
*/
- public MooTrackView () {
+ public void update() {
+ repaint();
+ }
+
+ class NoteArea extends JPanel {
+ public static final int NOTE_HEIGHT = 10;
+ public static final int NOTE_WIDTH = 40;
+ private int trackLength;
+
+ public NoteArea(Track track) {
+ // Configuring panel
+ setLayout(null);
+ trackLength = 140;
+ setPreferredSize(new Dimension(200, 140 * NOTE_HEIGHT));
+
+ // Temporary variables
+ MidiEvent note;
+ MooNoteElement elem;
+ int x, y, height;
+
+ // Placing note elements
+ Insets insets = getInsets();
+ for (int i = 0; i < track.size(); i++) {
+ note = track.get(i);
+ if (note instanceof MooNote) {
+ // Adds the note element to the note area.
+ MooNote mn = (MooNote)note;
+ elem = new MooNoteElement(mn);
+ add(elem);
+
+ // Moves the note element to the appropriate place.
+ x = insets.left;
+ y = insets.top + (int)(mn.getTick() / 24) * NOTE_HEIGHT;
+ height = (mn.getDuration() / 24) * NOTE_HEIGHT;
+ if (height == 0) height = NOTE_HEIGHT;
+ while(findComponentAt(x, y) instanceof MooNoteElement ||
+ findComponentAt(x, y + height - 1) instanceof MooNoteElement) x += NOTE_WIDTH;
+ elem.setBounds(x, y, NOTE_WIDTH, height);
+ if (viewLength < (y + height)) viewLength = y + height;
+ }
+ setPreferredSize(new Dimension(200,viewLength));
+ }
+ validate();
+ }
+
+ public void paintComponent(Graphics g) {
+ super.paintComponent(g);
+ Graphics2D g2 = (Graphics2D)g;
+ for (int c = 0; c < viewLength ; c += NOTE_HEIGHT) {
+ for (int r = 0; r < (10*NOTE_WIDTH); r += NOTE_WIDTH) {
+ box = new Rectangle(r, c, NOTE_WIDTH, NOTE_HEIGHT);
+ g2.setColor(Color.gray);
+ g2.draw(box);
+ }
+ }
+ }
+ }
+
+ class PopupListener extends MouseAdapter {
+ public void mousePressed(MouseEvent e) {
+ maybeShowPopup(e);
+ }
+
+ public void mouseReleased(MouseEvent e) {
+ maybeShowPopup(e);
+ }
+ private void maybeShowPopup(MouseEvent e) {
+ if (e.isPopupTrigger()) {
+ popup.show(e.getComponent(), e.getX(), e.getY());
+ }
+ }
}
-}
+}
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