+ /**
+ * 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));
+ }
+ }