Rekursives Verschieben getestet und heile gemacht

git-svn-id: svn://sunsvr01.isp.uni-luebeck.de/swproj13/trunk@70 72836036-5685-4462-b002-a69064685172

1 files changed, 4 insertions, 2 deletions

diff --git a/src/jrummikub/model/StoneTray.java b/src/jrummikub/model/StoneTray.java
index 07719cf..20dde3d 100644
--- a/src/jrummikub/model/StoneTray.java
+++ b/src/jrummikub/model/StoneTray.java
@@ -15,7 +15,7 @@ import jrummikub.util.Pair;
  */
 public class StoneTray<E extends Sizeable> implements
 		Iterable<Pair<E, Position>> {
-	protected List<Pair<E, Position>> objects = new ArrayList<Pair<E, Position>>();
+	protected ArrayList<Pair<E, Position>> objects = new ArrayList<Pair<E, Position>>();
 
 	/** Possible move directions in case of overlapping Stones/Sets */
 
@@ -68,8 +68,9 @@ public class StoneTray<E extends Sizeable> implements
 		drop(object, position, null);
 	}
 
+	@SuppressWarnings("unchecked")
 	private void drop(E object, Position position, Direction direction) {
-		for (Pair<E, Position> i : objects) {
+		for (Pair<E, Position> i : (List<Pair<E, Position>>)objects.clone()) {
 			Position currentPosition = i.getSecond();
 			E currentObject = i.getFirst();
 			if (!objectsOverlap(object, position, currentObject,
@@ -100,6 +101,7 @@ public class StoneTray<E extends Sizeable> implements
 						currentPosition.getY());
 				break;
 			}
+			
 			objects.remove(i);
 			drop(currentObject, newPosition, direction);
 		}