- class NoteArea extends JPanel {
- public static final int NOTE_HEIGHT = 10;
- public static final int NOTE_WIDTH = 40;
- private int trackLength;
- private ArrayList rects;
-
- public NoteArea(Track track) {
- // Configuring panel
- super(true);
- setLayout(null);
- trackLength = 140;
- setPreferredSize(new Dimension(200, 140 * NOTE_HEIGHT));
-
- // Creating temporary variables
- MidiEvent note;
- MooNoteElement elem;
- int x, y, height;
- 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() / 24) * NOTE_HEIGHT;
- height = (mn.getDuration() / 24) * 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;
-
- // while(findComponentAt(x, y) instanceof MooNoteElement ||
- // findComponentAt(x, y + height - 1) instanceof MooNoteElement) x += NOTE_WIDTH;
- }
- setPreferredSize(new Dimension(200, viewLength));
+ /**
+ * 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(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);
+ }
+
+ /**
+ * 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);