X-Git-Url: https://ruin.nu/git/?p=moosique.git;a=blobdiff_plain;f=MooTrackView.java;h=43403e6989279c5abfdc9a23b422da6c1b67aa02;hp=e337eb1e21ac292c4d201ff4267895ec15f5ea82;hb=aae2d0b4428236b4147f466b3858a34bb7ed174f;hpb=2c41c934bd49bc4aad0a2e5a4959e5d3006c0661

diff --git a/MooTrackView.java b/MooTrackView.java
index e337eb1..43403e6 100644
--- a/MooTrackView.java
+++ b/MooTrackView.java
@@ -1,79 +1,278 @@
 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 {
+
+	private Track track;
 	private MooTrackTitle title;
-	private NoteArea notes;
 	private Rectangle box;
-	private Rectangle box2;
-	//private JPanel notes;
-	
+
+	private JPopupMenu popup;
+	private JMenuItem popupAdd;
+	private ArrayList rects;
+	private ArrayList selected;
+	private Insets insets;
+	private int ticksPerSixteenth, popupY = 0;
+	protected static int viewLength = 0;
+	protected static int extraHeight = 0;
+	public static final int NOTE_HEIGHT = 10, NOTE_WIDTH = 40, VIEW_WIDTH = 200;
+
+	/**
+	 * Creates the trackview.
+	 * @param track The track it represents graphically and operates on.
+	 * @param title	The object that is used to manipulate instrument, channel, solo, mute.
+	 */
+	public MooTrackView (Track track, MooTrackTitle title) {
+		super(true);
+		this.track = track;
+		this.title = title;
+		insets = getInsets();
+		selected = new ArrayList();
+
+		// 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);
+		extraHeight = Toolkit.getDefaultToolkit().getScreenSize().height - 150;
+
+		// 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 and moves it to the appropriate place.
+				MooNote mn = (MooNote)note;
+				elem = new MooNoteElement(this, mn);
+				add(elem);
+				layoutElement(elem, false);
+			}
+			setPreferredSize(new Dimension(VIEW_WIDTH, viewLength + extraHeight));
+
+		}
+
+		// Creates pop-up menu.
+		popup = new JPopupMenu();
+		PopupListener pList = new PopupListener();
+		popupAdd = new JMenuItem("Add note...");
+		popupAdd.addActionListener(pList);
+		popup.add(popupAdd);
+
+		// Adds listeners for popup menu and keyboard synthesizer.
+		addMouseListener(new MAdapter());
+		addKeyListener(new MooKeyboard());
+	}
+
+	/**
+	 * Layouts the element to the right place.
+	 * @param elem	the element that will be layouted.
+	 * @param old	If true, this method will remove the old layout and set the new preferredSize for the trackview.
+	 */
+	public void layoutElement(MooNoteElement elem, boolean old){
+		// If the element is currently in the view, removes its coordinates from the list.
+		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;
+				}
+			}
+		}
+
+		// Creates temporary variables.
+		ticksPerSixteenth = Moosique.getSequence().getResolution() / 4;
+		MooNote mn = elem.getNote();
+		int x, y, height;
+
+		// Calculates coordinates.
+		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);
+
+		// Places the element in the appropriate place.
+		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));
+		}
+	}
+
 	/** 
-	 * Creates 
+	 * Returns the track of this view.
+	 * @return the track of this view
 	 */
-	public MooTrackView () {
-	this.addMouseMotionListener(doScrollRectToVisible);
-	setLayout(new BorderLayout());
-	this.setBorder(BorderFactory.createLineBorder(Color.black));
-	add(trackTitle(), BorderLayout.NORTH);
-	add(noteView(), BorderLayout.CENTER);
+	public Track getTrack() {
+		return track;
 	}
-	
-	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 () {
-		title = new MooTrackTitle();
-		title.setPreferredSize(new Dimension(PANEL_WIDTH, TITLE_HEIGHT));
-		title.setBorder(BorderFactory.createLineBorder(Color.black));
+
+	/** 
+	 * Returns the title of this view.
+	 * @return the title of this view
+	 */
+	public MooTrackTitle getTitle() {
 		return title;
 	}
 
-	private JPanel noteView () {
-		notes = new NoteArea();	
-		notes.setBackground(Color.white);
-		notes.setBorder(BorderFactory.createLineBorder(Color.black));	
-		return notes;		
+	/**
+	 * Checks if the element can be fully drawn as this position without inteferring with other elements.
+	 * @return true if the position is occupied.
+	 */
+	private boolean isOccupied(Rectangle r) {
+		Iterator it = rects.iterator();
+		while (it.hasNext()) {
+			if(r.intersects((Rectangle)it.next())) return true;
+		}
+		return false;
 	}
 	
-	class NoteArea extends JPanel {
-		public void RectanglePanel() {
-			setPreferredSize(new Dimension(20, 20));
+	/** 
+	 * Adds the given note to the current track, and visualises it.
+	 * @param mn	the note to add
+	 */
+	public void addNote(MooNote mn) {
+		mn.addTo(track);
+		MooNoteElement elem = new MooNoteElement(this, mn);
+		add(elem);
+		layoutElement(elem, false);
+		setPreferredSize(new Dimension(VIEW_WIDTH, viewLength + extraHeight));
+		repaint();
+	}
+
+	/** 
+	 * Removes the given note element from the view and its note from the current track.
+	 * @param elem	the note element to remove
+	 */
+	public void removeNote(MooNoteElement elem) {
+		elem.getNote().removeFrom(track);
+		remove(elem);
+		elem.getNote().removeFrom(track);
+		repaint();
+	}
+
+	/**
+	 * Adds a standard note to this track.
+	 */
+	private void addStandardNote() {
+		int row =  (popupY - insets.top) / NOTE_HEIGHT;
+		long timestamp = (long)(ticksPerSixteenth * row);
+		addNote(new MooNote(title.getChannel(), 60, 100, timestamp, Moosique.getSequence().getResolution() / 4));
+	}
+
+	/**
+	 * Deselects all notes.
+	 */
+	public void addSelected(MooNoteElement elem) {
+		selected.add(elem);
+	}
+
+	/**
+	 * Deselects all notes.
+	 */
+	public void removeSelected(MooNoteElement elem) {
+		selected.remove(selected.indexOf(elem));
+	}
+
+	/**
+	 * Deselects all notes.
+	 */
+	public void deselectAll() {
+		Iterator it = selected.iterator();
+		while(it.hasNext()) {
+			((MooNoteElement)it.next()).deselect();
 		}
-		
-		
-		public void paintComponent(Graphics g) {
-			super.paintComponent(g);
-			Graphics2D g2 = (Graphics2D)g;
-			box = new Rectangle(0,0,20,20);
-			g2.draw(box);
-			box2 = new Rectangle(20,0,20,20);
-			g2.draw(box2);
+		selected.clear();
+	}
+
+	/**
+	 * Draws the grid that is on the background.
+	 * @param g The Graphics object used to draw the grid.
+	 */
+	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);
+			}
 		}
 	}
 	
-	private static final int PANEL_WIDTH = 65;
-	private static final int TITLE_HEIGHT = 40;
-	private static final int NOTEVIEW_HEIGHT = 200;
+	/**
+	 * The adapter used to listen on mouse actions
+	 */
+	class MAdapter extends MouseAdapter {
+
+		/**
+		 * Deselects all note on click, adds a standard note on double click.
+		 */
+		public void mouseClicked(MouseEvent e) {
+			deselectAll();
+			if (e.getClickCount() == 2) {
+				popupY = e.getY();
+				addStandardNote();
+			}
+		}
+	
+		public void mousePressed(MouseEvent e) {
+			maybeShowPopup(e);
+		}
+
+		public void mouseReleased(MouseEvent e) {
+			maybeShowPopup(e);
+		}
 
+		/**
+		 * Shows the menu if an OS-specific popup-trigger was activated.
+		 */
+		private void maybeShowPopup(MouseEvent e) {
+			if (e.isPopupTrigger()) {
+				popupY = e.getY();
+				popup.show(e.getComponent(), e.getX(), e.getY());
+			}
+		}
+
+		/**
+		 * Grabs the focus when the mouse has entered.
+		 */
+		public void mouseEntered(MouseEvent e) {
+			// Moosique.setActiveChannel(track.getChannel());
+			grabFocus();
+		}
+	}
+
+	/**
+	 * Listens on actions on the popupmenu and executes the appropriate action.
+	 */
+	class PopupListener implements ActionListener {
+		public void actionPerformed(ActionEvent e) {
+			Object source = e.getSource();
+			if  (source == popupAdd) {
+				addStandardNote();
+			}
+			// new MooNote(int channel, int pitch, int velocity, long timestamp, int duration)
+		}
+	}
 }