]> ruin.nu Git - moosique.git/blobdiff - MooTrackView.java
font settings..
[moosique.git] / MooTrackView.java
index f8fe20c4b7400ade41c0b8ea990957d27290b59e..43403e6989279c5abfdc9a23b422da6c1b67aa02 100644 (file)
@@ -14,17 +14,30 @@ import java.util.*;
 public class MooTrackView extends JPanel {
 
        private Track track;
+       private MooTrackTitle title;
        private Rectangle box;
 
        private JPopupMenu popup;
-       private JMenuItem menuItem;
+       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;
 
-       public MooTrackView (Track track) {
+       /**
+        * 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);
@@ -35,57 +48,96 @@ public class MooTrackView extends JPanel {
                // Creates temporary variables
                MidiEvent note;
                MooNoteElement elem;
-               int extraHeight = Toolkit.getDefaultToolkit().getScreenSize().height - 150;
-               int x, y, height;
-               int beatsPerSixteenth = Moosique.getSequence().getResolution() / 4;
                rects = new ArrayList(track.size() / 2);
+               extraHeight = Toolkit.getDefaultToolkit().getScreenSize().height - 150;
 
                // Places 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.
+                               // 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);
-
-                               // 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;
+                               layoutElement(elem, false);
                        }
                        setPreferredSize(new Dimension(VIEW_WIDTH, viewLength + extraHeight));
+
                }
-               validate();
 
                // Creates pop-up menu.
                popup = new JPopupMenu();
-               menuItem = new JMenuItem("Add...");
-               // menuItem.addActionListener();
-               popup.add(menuItem);
+               PopupListener pList = new PopupListener();
+               popupAdd = new JMenuItem("Add note...");
+               popupAdd.addActionListener(pList);
+               popup.add(popupAdd);
 
-               addMouseListener(new PopupListener());
+               // 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));
+               }
+       }
+
+       /** 
+        * Returns the track of this view.
+        * @return the track of this view
+        */
        public Track getTrack() {
                return track;
        }
 
-
        /** 
-        * Updates the track view.
+        * Returns the title of this view.
+        * @return the title of this view
         */
-       public void update(long tickPosition) {
-               repaint();
+       public MooTrackTitle getTitle() {
+               return title;
        }
 
+       /**
+        * 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()) {
@@ -94,13 +146,68 @@ public class MooTrackView extends JPanel {
                return false;
        }
        
-       public void remove(MooNoteElement elem) {
-               remove((Component)elem);
+       /** 
+        * 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);
-               validate();
                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();
+               }
+               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;
@@ -112,12 +219,60 @@ public class MooTrackView extends JPanel {
                        }
                }
        }
+       
+       /**
+        * The adapter used to listen on mouse actions
+        */
+       class MAdapter extends MouseAdapter {
 
-       class PopupListener 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)
+               }
        }
 }