X-Git-Url: https://ruin.nu/git/?a=blobdiff_plain;f=MooTrackView.java;h=129b0af0e78aa91ba33f9416f8166fb32d19baec;hb=357944d9255bb7cb1ad5ed4f5c960b22a8c64b8f;hp=04b675583b3aa18bf50406026be52cda4f350d0e;hpb=d7666fadd2f8baca8a03cacae836f2563fe4dd5d;p=moosique.git

diff --git a/MooTrackView.java b/MooTrackView.java
index 04b6755..129b0af 100644
--- a/MooTrackView.java
+++ b/MooTrackView.java
@@ -1,18 +1,144 @@
 import javax.swing.*;
+import java.awt.*;
+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 {
+
+public class MooTrackView extends JPanel implements ActionListener {
+
+	private Track 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;
+		setLayout(new BorderLayout());
+
+		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);
+
+		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;
+	}
+
 
 	/** 
-	 * Creates 
+	 * Updates the track view.
 	 */
-	public MooTrackView () {
+	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;
+			int beatsPerSixteenth = Moosique.getSequence().getResolution() / 4;
+			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() / beatsPerSixteenth) * NOTE_HEIGHT;
+					height = (mn.getDuration() / beatsPerSixteenth) * 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 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());
+			}
+		}
 	}
 }