import java.awt.*;
import java.awt.event.*;
import javax.sound.midi.*;
+import java.util.*;
/**
* Graphical representation of a MIDI track.
* @version 1
*/
-public class MooTrackView extends JPanel implements ActionListener {
+public class MooTrackView extends JPanel {
private Track track;
- private MooTrackTitle title;
- private NoteArea notes;
private Rectangle box;
+
private JPopupMenu popup;
private JMenuItem menuItem;
+ private ArrayList rects;
+ protected static int viewLength = 0;
+ protected static int extraHeight = 0;
+ public static final int NOTE_HEIGHT = 10, NOTE_WIDTH = 40, VIEW_WIDTH = 200;
public MooTrackView (Track track) {
+ super(true);
this.track = track;
- setPreferredSize(new Dimension(200, 200));
- setLayout(new BorderLayout());
- this.setBorder(BorderFactory.createLineBorder(Color.black));
- title = new MooTrackTitle(track);
- title.setBorder(BorderFactory.createLineBorder(Color.black));
- add(title, BorderLayout.NORTH);
+ extraHeight = Toolkit.getDefaultToolkit().getScreenSize().height - 150;
+ // Configures panel
+ setBackground(Color.white);
+ setBorder(BorderFactory.createLineBorder(Color.black));
+ setLayout(null);
+ setPreferredSize(new Dimension(VIEW_WIDTH, 140 * NOTE_HEIGHT));
+
+ // Creates temporary variables
+ MidiEvent note;
+ MooNoteElement elem;
+ rects = new ArrayList(track.size() / 2);
+
+ // Places note elements
+ 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(this, mn);
+ add(elem);
+
+ layoutElement(elem,false);
- notes = new NoteArea();
- notes.setBackground(Color.white);
- notes.setBorder(BorderFactory.createLineBorder(Color.black));
+ // Moves the note element to the appropriate place.
+ }
+ setPreferredSize(new Dimension(VIEW_WIDTH, viewLength + extraHeight));
+
+ }
+ validate();
+ // Creates pop-up menu.
popup = new JPopupMenu();
menuItem = new JMenuItem("Add...");
- menuItem.addActionListener(this);
- popup.add(menuItem);
- menuItem = new JMenuItem("Preferences...");
- menuItem.addActionListener(this);
+ // menuItem.addActionListener();
popup.add(menuItem);
- notes.addMouseListener(new PopupListener());
- add(notes, BorderLayout.CENTER);
+ addMouseListener(new PopupListener());
}
- public void actionPerformed(ActionEvent e) {}
+ public void layoutElement(MooNoteElement elem, boolean old){
+ Rectangle r = new Rectangle();
+ if(old){
+ r = elem.getBounds(r);
+ for (Iterator i = rects.iterator(); i.hasNext();){
+ Object ob = i.next();
+ if (r.equals(ob)){
+ rects.remove(ob);
+ break;
+ }
+ }
+ }
+
+ int ticksPerSixteenth = Moosique.getSequence().getResolution() / 4;
+ MooNote mn = elem.getNote();
+ Insets insets = getInsets();
+ int x, y, height;
+ x = insets.left;
+ y = insets.top + (int)(mn.getTick() / ticksPerSixteenth) * NOTE_HEIGHT;
+ height = (mn.getDuration() / ticksPerSixteenth) * NOTE_HEIGHT;
+ if (height == 0) height = NOTE_HEIGHT;
+ r = new Rectangle(x, y, NOTE_WIDTH, height);
+ while(isOccupied(r)) r.translate(NOTE_WIDTH, 0);
+ elem.setBounds(r);
+ rects.add(r);
+ if (viewLength < (y + height)){
+ viewLength = y + height;
+ if(old)setPreferredSize(new Dimension(VIEW_WIDTH, viewLength + extraHeight));
+ }
+
+ }
public Track getTrack() {
return track;
}
- class NoteArea extends JPanel {
- public void RectanglePanel() {
- setPreferredSize(new Dimension(20, 20));
+
+ /**
+ * Updates the track view.
+ */
+ public void update(long tickPosition) {
+ repaint();
+ }
+
+ private boolean isOccupied(Rectangle r) {
+ Iterator it = rects.iterator();
+ while (it.hasNext()) {
+ if(r.intersects((Rectangle)it.next())) return true;
}
+ return false;
+ }
+
+ public void remove(MooNoteElement elem) {
+ remove((Component)elem);
+ elem.getNote().removeFrom(track);
+ validate();
+ repaint();
+ }
- public void paintComponent(Graphics g) {
- super.paintComponent(g);
- Graphics2D g2 = (Graphics2D)g;
- for (int c = 0; c < 1000; c += 20) {
- int r=0;
- for (r = 0; r < 200; r += 20) {
- box = new Rectangle(r, c, 20, 20);
- g2.setColor(Color.gray);
- g2.draw(box);
- }
+ public void paintComponent(Graphics g) {
+ super.paintComponent(g);
+ Graphics2D g2 = (Graphics2D)g;
+ for (int c = 0; c < viewLength || c < getHeight(); 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());
}