import java.awt.*;
import java.awt.event.*;
import javax.sound.midi.*;
+import java.util.*;
/**
* Graphical representation of a MIDI track.
private NoteArea notes;
private Rectangle box;
private JPopupMenu popup;
+ private JPopupMenu notePopup;
private JMenuItem menuItem;
-
+ protected static int viewLength = 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));
+ //setPreferredSize(new Dimension(200, 9000));
setLayout(new BorderLayout());
- this.setBorder(BorderFactory.createLineBorder(Color.black));
+ // setBorder(BorderFactory.createLineBorder(Color.black));
- title = new MooTrackTitle(track);
- title.setBorder(BorderFactory.createLineBorder(Color.black));
- add(title, BorderLayout.NORTH);
+ //title = new MooTrackTitle(track);
+ //title.setBorder(BorderFactory.createLineBorder(Color.black));
+ //add(title, BorderLayout.NORTH);
notes = new NoteArea(track);
notes.setBackground(Color.white);
menuItem = new JMenuItem("Add...");
menuItem.addActionListener(this);
popup.add(menuItem);
+
+
+ notePopup = new JPopupMenu();
menuItem = new JMenuItem("Preferences...");
menuItem.addActionListener(this);
- popup.add(menuItem);
+ notePopup.add(menuItem);
notes.addMouseListener(new PopupListener());
add(notes, BorderLayout.CENTER);
/**
* Updates the track view.
*/
- public void update() {
+ public void update(long tickPosition) {
repaint();
}
class NoteArea extends JPanel {
- public static final int NOTE_HEIGHT = 10;
- public static final int NOTE_WIDTH = 40;
- private int trackLength;
+ public static final int NOTE_HEIGHT = 10, NOTE_WIDTH = 40, VIEW_WIDTH = 200;
+ private ArrayList rects;
public NoteArea(Track track) {
- System.out.println("Creating track view...");
+ // Configuring panel
+ super(true);
setLayout(null);
- trackLength = 140;
+ setPreferredSize(new Dimension(VIEW_WIDTH, 140 * NOTE_HEIGHT));
+
+ // Creating temporary variables
MidiEvent note;
MooNoteElement elem;
- boolean isOccupied;
int x, y, height;
+ rects = new ArrayList(track.size() / 2);
+
+ // Placing note elements
Insets insets = getInsets();
for (int i = 0; i < track.size(); i++) {
note = track.get(i);
elem = new MooNoteElement(mn);
add(elem);
- // Places the note element in the appropriate place.
+ // Moves the note element to the appropriate place.
x = insets.left;
y = insets.top + (int)(mn.getTick() / 24) * NOTE_HEIGHT;
- height = NOTE_HEIGHT;
- // height = (mn.getDuration() / 24) * NOTE_HEIGHT;
- // System.out.println("Comp at: " + x + ", " + y + " is: " + findComponentAt(x + 10, y + 10));
- while(findComponentAt(x, y) instanceof MooNoteElement ||
- findComponentAt(x, y + height - 1) instanceof MooNoteElement) x += NOTE_WIDTH;
- elem.setBounds(x, y, NOTE_WIDTH, height);
+ height = (mn.getDuration() / 24) * NOTE_HEIGHT;
+ if (height == 0) height = NOTE_HEIGHT;
+ Rectangle 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;
}
+ setPreferredSize(new Dimension(VIEW_WIDTH, viewLength));
}
validate();
}
+
+ private boolean isOccupied(Rectangle r) {
+ Iterator it = rects.iterator();
+ while (it.hasNext()) {
+ if(r.intersects((Rectangle)it.next())) return true;
+ }
+ return false;
+ }
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D)g;
- for (int c = 0; c < (trackLength*NOTE_HEIGHT); c += NOTE_HEIGHT) {
- for (int r = 0; r < (10*NOTE_WIDTH); r += NOTE_WIDTH) {
+ 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);
private void maybeShowPopup(MouseEvent e) {
if (e.isPopupTrigger()) {
- popup.show(e.getComponent(), e.getX(), e.getY());
+ if (findComponentAt(e.getX(), e.getY()) instanceof MooNoteElement)
+ notePopup.show(e.getComponent(), e.getX(), e.getY());
+ else
+ popup.show(e.getComponent(), e.getX(), e.getY());
}
}
}