From a1bc5ad4d39c4d39f508e24f80e36de03eb87f33 Mon Sep 17 00:00:00 2001
From: Alexander Ljungberg <aljungberg@wireload.net>
Date: Fri, 17 Feb 2012 14:23:21 +0000
Subject: [PATCH] Fixed: app would freeze on collection view
 setSelectionIndexes:nil.

---
 AppKit/CPCollectionView.j | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/AppKit/CPCollectionView.j b/AppKit/CPCollectionView.j
index 014bce090..4a0b353a6 100644
--- a/AppKit/CPCollectionView.j
+++ b/AppKit/CPCollectionView.j
@@ -340,6 +340,8 @@
 */
 - (void)setSelectionIndexes:(CPIndexSet)anIndexSet
 {
+    if (!anIndexSet)
+        anIndexSet = [CPIndexSet indexSet];
     if (!_isSelectable || [_selectionIndexes isEqual:anIndexSet])
         return;