X-Git-Url: https://ruin.nu/git/?p=moosique.git;a=blobdiff_plain;f=MooTrackView.java;h=a591d374853bd246647f16dd0c087ce38f58e335;hp=1e59ba4d200e507442367c89b6df4018c052365f;hb=6154ba318198471a2b94391df6aab6f2b6cd9b29;hpb=2e2fa52cef9db49f82d1dec2a8c4c03c5c6f387b diff --git a/MooTrackView.java b/MooTrackView.java index 1e59ba4..a591d37 100644 --- a/MooTrackView.java +++ b/MooTrackView.java @@ -2,6 +2,7 @@ import javax.swing.*; import java.awt.*; import java.awt.event.*; import javax.sound.midi.*; +import java.util.*; /** * Graphical representation of a MIDI track. @@ -9,74 +10,425 @@ import javax.sound.midi.*; * @author Andersson , Andreen, Lanneskog, Pehrson * @version 1 */ - -public class MooTrackView extends JPanel implements ActionListener { +public class MooTrackView extends JPanel { + + private Track track; private MooTrackTitle title; - private NoteArea notes; private Rectangle box; - private JPopupMenu popup; - private JMenuItem menuItem; - - public MooTrackView (Track track) { - setPreferredSize(new Dimension(200, 200)); - setLayout(new BorderLayout()); - this.setBorder(BorderFactory.createLineBorder(Color.black)); - title = new MooTrackTitle(track); - title.setBorder(BorderFactory.createLineBorder(Color.black)); - add(title, BorderLayout.NORTH); + 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; + + /** + * 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; - notes = new NoteArea(); - notes.setBackground(Color.white); - notes.setBorder(BorderFactory.createLineBorder(Color.black)); + // Configures panel + setBackground(Color.white); + setBorder(BorderFactory.createLineBorder(Color.black)); + setLayout(null); + setPreferredSize(new Dimension(VIEW_WIDTH, 140 * NOTE_HEIGHT)); + // 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 panel pop-up menu. popup = new JPopupMenu(); - menuItem = new JMenuItem("Add..."); - menuItem.addActionListener(this); - popup.add(menuItem); - menuItem = new JMenuItem("Preferences..."); - menuItem.addActionListener(this); - 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); - notes.addMouseListener(new PopupListener()); - add(notes, BorderLayout.CENTER); + // Adds listeners for popup menu and keyboard synthesizer. + addMouseListener(new MAdapter()); + addKeyListener(new MooKeyboard()); } - - public void actionPerformed(ActionEvent e) {} - - class NoteArea extends JPanel { - public void RectanglePanel() { - setPreferredSize(new Dimension(20, 20)); - } - - public void paintComponent(Graphics g) { - super.paintComponent(g); - Graphics2D g2 = (Graphics2D)g; - for (int c = 0; c < 1000; c += 20) { - int r=0; - for (r = 0; r < 200; r += 20) { - box = new Rectangle(r, c, 20, 20); - g2.setColor(Color.gray); - g2.draw(box); + + /** + * 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 = coords.iterator(); i.hasNext();){ + Object ob = i.next(); + if (r.equals(ob)){ + coords.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); + 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; + } + + /** + * Returns the title of this view. + * @return the title of this view + */ + 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 = coords.iterator(); + while (it.hasNext()) { + if(r.intersects((Rectangle)it.next())) return true; + } + return false; } - class PopupListener extends MouseAdapter { - public void mousePressed(MouseEvent e) { - maybeShowPopup(e); - } + /** + * 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; + 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); + } + } + } - public void mouseReleased(MouseEvent e) { - maybeShowPopup(e); - } + /** + * 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 { + + /** + * 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(); + } + } + } - private void maybeShowPopup(MouseEvent e) { + 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); + } + } } -} \ No newline at end of file +}