import javax.swing.*;
-import java.awt.event.MouseListener;
-import java.awt.event.MouseEvent;
-import java.awt.event.MouseMotionAdapter;
-import java.awt.event.MouseMotionListener;
-import java.awt.Dimension;
import java.awt.*;
-//import java.awt.Graphics;
-//import java.awt.Graphics2D;
-//import java.awt.Rectangle;
+import java.awt.event.*;
+import javax.sound.midi.*;
+import java.util.*;
/**
+ * Graphical representation of a MIDI track.
*
- *
- * @author Andersson, Andreen, Lanneskog, Pehrson
+ * @author Andersson , Andreen, Lanneskog, Pehrson
* @version 1
*/
-
-public class MooTrackView extends JPanel{
+public class MooTrackView extends JPanel implements ActionListener {
+
+ private Track track;
private MooTrackTitle title;
- private noteView notes;
-
- /**
- * Creates
- */
- public MooTrackView () {
- this.addMouseMotionListener(doScrollRectToVisible);
- setLayout(new GridLayout(2,0));
- notes = new noteView();
-
- add(trackTitle());
- add(noteEdit());
- }
-
- MouseMotionListener doScrollRectToVisible = new MouseMotionAdapter() {
- public void mouseDragged(MouseEvent e) {
- Rectangle r = new Rectangle(e.getX(), e.getY(), 1, 1);
- ((JPanel)e.getSource()).scrollRectToVisible(r);
- }
- };
-
- private JPanel trackTitle () {
- setPreferredSize(new Dimension(PANEL_WIDTH, TITLE_HEIGHT));
- title = new MooTrackTitle();
- return title;
- }
-
- private JPanel noteEdit () {
- setPreferredSize(new Dimension(PANEL_WIDTH, NOTEVIEW_HEIGHT));
- notes = new noteView();
+ 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, 9000));
+ setLayout(new BorderLayout());
+ // 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));
- return notes;
+
+ popup = new JPopupMenu();
+ menuItem = new JMenuItem("Add...");
+ menuItem.addActionListener(this);
+ popup.add(menuItem);
+
+
+ notePopup = new JPopupMenu();
+ menuItem = new JMenuItem("Preferences...");
+ menuItem.addActionListener(this);
+ notePopup.add(menuItem);
+
+ notes.addMouseListener(new PopupListener());
+ add(notes, BorderLayout.CENTER);
+ }
+
+ public void actionPerformed(ActionEvent e) {}
+
+ public Track getTrack() {
+ return track;
}
- class noteView extends JPanel {
- public noteView () {
- setLayout(new FlowLayout());
+
+ /**
+ * Updates the track view.
+ */
+ public void update(long tickPosition) {
+ repaint();
+ }
+
+ class NoteArea extends JPanel {
+ public static final int NOTE_HEIGHT = 10, NOTE_WIDTH = 40, VIEW_WIDTH = 200;
+ private ArrayList rects;
+
+ public NoteArea(Track track) {
+ // Configuring panel
+ super(true);
+ setLayout(null);
+ setPreferredSize(new Dimension(VIEW_WIDTH, 140 * NOTE_HEIGHT));
+
+ // Creating temporary variables
+ MidiEvent note;
+ MooNoteElement elem;
+ 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);
+ 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;
+ 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 < 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 static final int PANEL_WIDTH = 65;
- private static final int TITLE_HEIGHT = 50;
- private static final int NOTEVIEW_HEIGHT = 200;
+ private void maybeShowPopup(MouseEvent e) {
+ if (e.isPopupTrigger()) {
+ 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());
+ }
+ }
+ }
}