private JMenuItem popupAdd, popupPaste;
private JMenuItem selPopupCopy, selPopupCut, selPopupRemove, selPopupTranspUpOct, selPopupTranspDownOct;
- private ArrayList coords, selection, copyBuffer;
+ private ArrayList coords, copyBuffer;
+ private TreeSet selection;
private Insets insets;
private int ticksPerSixteenth, popupY = 0;
private boolean leftMouseButtonPressed = false;
// Creates instance variables
insets = getInsets();
coords = new ArrayList(track.size() / 2);
- selection = new ArrayList();
+ selection = new TreeSet();
copyBuffer = new ArrayList();
// Creates temporary variables
* @param the note to deselect
*/
public void deselectNote(MooNoteElement elem) {
- selection.remove(selection.indexOf(elem));
+ selection.remove(elem);
}
/**
while(it.hasNext()) {
copyBuffer.add(((MooNoteElement)it.next()).getNote().clone());
}
- Collections.sort(copyBuffer, new Moosique.NoteComparator());
+ Collections.sort(copyBuffer);
}
/**
}
/**
- * Moves the current selection, if the mouse was pressed on a note element
- * and then released in another row.
- * @param srcY the y-coordinate of the point in which the mouse button was pressed
- * @param destY the y-coordinate of the point in which the mouse button was released
+ * Moves the current selection the given number of ticks.
+ * @param ticks the number of ticks to move the selection.
*/
- public void maybeMoveSelectedNotes(int srcY, int destY) {
- int srcRow = (srcY - insets.top) / NOTE_HEIGHT;
- int destRow = (destY - insets.top) / NOTE_HEIGHT;
- long timeDiff = (long)(ticksPerSixteenth * (destRow - srcRow));
- Iterator it = selection.iterator();
- while(it.hasNext()) {
- MooNoteElement elem = (MooNoteElement)it.next();
- elem.getNote().setTick(elem.getNote().getTick() + timeDiff);
- layoutElement(elem, true);
+ public void moveSelectedNotes(int ticks) {
+ if (ticks > 0) {
+ // If the selection should be moved downwards, traverses the list in the natural order.
+ Iterator it = selection.iterator();
+ while(it.hasNext()) {
+ MooNoteElement elem = (MooNoteElement)it.next();
+ elem.getNote().setTick(elem.getNote().getTick() + ticks);
+ layoutElement(elem, true);
+ }
+ } else {
+ // If the selection should be moved upwards, traverses the list in the opposite order.
+ ArrayList selectedList = new ArrayList(selection);
+ ListIterator it = selectedList.listIterator(selectedList.size());
+ while(it.hasPrevious()) {
+ MooNoteElement elem = (MooNoteElement)it.previous();
+ elem.getNote().setTick(elem.getNote().getTick() + ticks);
+ layoutElement(elem, true);
+ }
}
}
+ /**
+ * Moves the current selection, depending on the given delta y.
+ * @param y the number of pixels the selection is moved.
+ */
+ public void maybeMoveSelectedNotes(int y) {
+ moveSelectedNotes(ticksPerSixteenth * (y / NOTE_HEIGHT));
+ }
+
/**
* Shows a popup-menu with options for the current selection of note elements.
* @param c the component over which to display the menu