X-Git-Url: https://ruin.nu/git/?p=moosique.git;a=blobdiff_plain;f=MooTrackView.java;h=a591d374853bd246647f16dd0c087ce38f58e335;hp=4b033c1f4184fe7c8395b7092d4301eb74fdd0b9;hb=6154ba318198471a2b94391df6aab6f2b6cd9b29;hpb=bad66a3619fc01696605892caeef49249df364ae diff --git a/MooTrackView.java b/MooTrackView.java index 4b033c1..a591d37 100644 --- a/MooTrackView.java +++ b/MooTrackView.java @@ -14,117 +14,324 @@ import java.util.*; public class MooTrackView extends JPanel { private Track track; + private MooTrackTitle title; private Rectangle box; - private JPopupMenu popup; - private JMenuItem menuItem; - private ArrayList rects; + private JPopupMenu popup, selPopup; + private JMenu selPopupTranspUp, selPopupTranspDown; + private JMenuItem popupAdd, popupPaste; + private JMenuItem selPopupCopy, selPopupCut, selPopupRemove, selPopupTranspUpOct, selPopupTranspDownOct; + + private ArrayList coords, selection, copyBuffer; + private Insets insets; + private int ticksPerSixteenth, popupY = 0; + private boolean leftMouseButtonPressed = false; 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; + // Creates instance variables + insets = getInsets(); + coords = new ArrayList(track.size() / 2); + selection = new ArrayList(); + copyBuffer = new ArrayList(); + + // Creates temporary variables + MidiEvent note; + MooNoteElement elem; extraHeight = Toolkit.getDefaultToolkit().getScreenSize().height - 150; + // 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); - // 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. + // 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); - - // Moves the note element to the appropriate place. + layoutElement(elem, false); } setPreferredSize(new Dimension(VIEW_WIDTH, viewLength + extraHeight)); } - validate(); - // Creates pop-up menu. + // Creates panel 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); + popupPaste = new JMenuItem("Paste"); + popupPaste.addActionListener(pList); + popup.add(popupPaste); + + // Creates selection pop-up menu. + selPopup = new JPopupMenu(); + selPopupCopy = new JMenuItem("Copy selection"); + selPopupCopy.addActionListener(pList); + selPopup.add(selPopupCopy); + selPopupCut = new JMenuItem("Cut selection"); + selPopupCut.addActionListener(pList); + selPopup.add(selPopupCut); + selPopupRemove = new JMenuItem("Remove selection"); + selPopupRemove.addActionListener(pList); + selPopup.add(selPopupRemove); + selPopupTranspUp = new JMenu("Transpose selection up"); + selPopup.add(selPopupTranspUp); + selPopupTranspUpOct = new JMenuItem("One octave"); + selPopupTranspUpOct.addActionListener(pList); + selPopupTranspUp.add(selPopupTranspUpOct); + selPopupTranspDown = new JMenu("Transpose selection down"); + selPopup.add(selPopupTranspDown); + selPopupTranspDownOct = new JMenuItem("One octave"); + selPopupTranspDownOct.addActionListener(pList); + selPopupTranspDown.add(selPopupTranspDownOct); - 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();){ + if (old){ + r = elem.getBounds(r); + for (Iterator i = coords.iterator(); i.hasNext();){ Object ob = i.next(); if (r.equals(ob)){ - rects.remove(ob); + coords.remove(ob); break; } } } - int ticksPerSixteenth = Moosique.getSequence().getResolution() / 4; + // Creates temporary variables. + ticksPerSixteenth = Moosique.getSequence().getResolution() / 4; MooNote mn = elem.getNote(); - Insets insets = getInsets(); 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); + coords.add(r); if (viewLength < (y + height)){ viewLength = y + height; if(old)setPreferredSize(new Dimension(VIEW_WIDTH, viewLength + extraHeight)); } - + if (old) { + validate(); + repaint(); + } } + /** + * 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(); + Iterator it = coords.iterator(); while (it.hasNext()) { if(r.intersects((Rectangle)it.next())) return true; } 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)); + Moosique.setEdited(); + 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)); + } + + /** + * 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); + Rectangle r = new Rectangle(); + r = elem.getBounds(r); + coords.remove(r); + Moosique.setEdited(); validate(); repaint(); } + /** + * Selects the given note + * @param the note to select + */ + public void selectNote(MooNoteElement elem) { + selection.add(elem); + } + + /** + * Deselects the given note + * @param the note to deselect + */ + public void deselectNote(MooNoteElement elem) { + selection.remove(selection.indexOf(elem)); + } + + /** + * Deselects all notes. + */ + public void deselectAllNotes() { + Iterator it = selection.iterator(); + while(it.hasNext()) { + ((MooNoteElement)it.next()).deselect(); + } + selection.clear(); + } + + /** + * Determines if the given MooNoteElement is the only one in the track view that is selected. + * @return if the given element is the only selected one + */ + public boolean isTheOnlySelected(MooNoteElement elem) { + Iterator it = selection.iterator(); + while(it.hasNext()) { + if (!it.next().equals(elem)) return false; + } + return true; + } + + /** + * Copies the current selection. + */ + public void copySelectedNotes() { + copyBuffer = new ArrayList(selection.size()); + Iterator it = selection.iterator(); + while(it.hasNext()) { + copyBuffer.add(((MooNoteElement)it.next()).getNote().clone()); + } + Collections.sort(copyBuffer, new Moosique.NoteComparator()); + } + + /** + * Cuts the current selection. + */ + public void cutSelectedNotes() { + copySelectedNotes(); + removeSelectedNotes(); + } + + /** + * Pastes the current copy buffer at the given timestamp. + */ + public void pasteCopiedNotes() { + int row = (popupY - insets.top) / NOTE_HEIGHT; + long timestamp = (long)(ticksPerSixteenth * row); + if (copyBuffer.size() > 0) { + long startTime = ((MooNote)copyBuffer.get(0)).getTick(); + Iterator it = copyBuffer.iterator(); + while(it.hasNext()) { + MooNote mn = (MooNote)((MooNote)it.next()).clone(); + mn.setTick(mn.getTick() - startTime + timestamp); + addNote(mn); + } + } + } + + /** + * Removes the current selection. + */ + public void removeSelectedNotes() { + Iterator it = selection.iterator(); + while(it.hasNext()) { + removeNote((MooNoteElement)it.next()); + } + selection.clear(); + } + + /** + * Transposes all selected notes the given number of halftones. + */ + private void transposeSelectedNotes(int halftones) { + Iterator it = selection.iterator(); + while(it.hasNext()) { + MooNoteElement elem = (MooNoteElement)it.next(); + elem.transpose(halftones); + } + } + + /** + * Shows a popup-menu with options for the current selection of note elements. + * @param c the component over which to display the menu + * @param x the x-coordinate in which to display the menu + * @param y the y-coordinate in which to display the menu + */ + public void showSelectionPopup(Component c, int x, int y) { + selPopup.show(c, x, y); + } + + /** + * 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; @@ -136,12 +343,92 @@ public class MooTrackView extends JPanel { } } } + + /** + * Returns whether the left mouse button is currently pressed or not. + * @return true if the left mosue button is currently pressed + */ + public boolean isLeftMouseButtonPressed() { + return leftMouseButtonPressed; + } + + /** + * 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) { + if (SwingUtilities.isLeftMouseButton(e)) { + deselectAllNotes(); + if (e.getClickCount() == 2) { + popupY = e.getY(); + addStandardNote(); + } + } + } + public void mousePressed(MouseEvent e) { + if (SwingUtilities.isLeftMouseButton(e)) leftMouseButtonPressed = true; + maybeShowPopup(e); + } + + public void mouseReleased(MouseEvent e) { + if (SwingUtilities.isLeftMouseButton(e)) leftMouseButtonPressed = false; + maybeShowPopup(e); + } + + /** + * Selects the notes within the area that was selected. + */ + public void mouseDragged(MouseEvent 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(title.getChannel()); + grabFocus(); + } + } + + /** + * Listens on actions on the popup menu and executes the appropriate action. + */ + class PopupListener implements ActionListener { + public void actionPerformed(ActionEvent e) { + Object source = e.getSource(); + // Handling panel popup actions. + if (source == popupAdd) { + addStandardNote(); + } else if (source == popupPaste) { + pasteCopiedNotes(); + // Handling selection popup actions. + } else if (source == selPopupCopy) { + copySelectedNotes(); + } else if (source == selPopupCut) { + cutSelectedNotes(); + } else if (source == selPopupRemove) { + removeSelectedNotes(); + } else if (source == selPopupTranspUpOct) { + transposeSelectedNotes(12); + } else if (source == selPopupTranspDownOct) { + transposeSelectedNotes(-12); + } + } } }