X-Git-Url: https://ruin.nu/git/?p=moosique.git;a=blobdiff_plain;f=MooTrackView.java;fp=MooTrackView.java;h=c1d8b5878cdb66b4f4b0d1ceef38a3f62c499f83;hp=8133cda05f372feff297b0718db8b6e0853abef2;hb=19db604db6c736c9afc31650b2efac6eb8e2f70b;hpb=1f2ba8a0848ee0c5f0ea94f7bc40ea502c0dff74

diff --git a/MooTrackView.java b/MooTrackView.java
index 8133cda..c1d8b58 100644
--- a/MooTrackView.java
+++ b/MooTrackView.java
@@ -324,11 +324,23 @@ public class MooTrackView extends JPanel {
 	 * @param ticks		the number of ticks to move the selection.
 	 */
 	public void moveSelectedNotes(int ticks) {
-		Iterator it = selection.iterator();
-		while(it.hasNext()) {
-			MooNoteElement elem = (MooNoteElement)it.next();
-			elem.getNote().setTick(elem.getNote().getTick() + ticks);
-			layoutElement(elem, true);
+		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);
+			}
 		}
 	}