From 43bc92df3e531e4ee7e5707a059ed28acbf4c8d7 Mon Sep 17 00:00:00 2001
From: Ferhat Ozduran <ferhatozduran@gmail.com>
Date: Sun, 2 Oct 2016 02:30:58 -0400
Subject: [PATCH] Fix for crash in Swift when long pressing an empty area.

---
 .../LXReorderableCollectionViewFlowLayout.m                   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/LXReorderableCollectionViewFlowLayout/LXReorderableCollectionViewFlowLayout.m b/LXReorderableCollectionViewFlowLayout/LXReorderableCollectionViewFlowLayout.m
index 9688aad..fcaf0ce 100755
--- a/LXReorderableCollectionViewFlowLayout/LXReorderableCollectionViewFlowLayout.m
+++ b/LXReorderableCollectionViewFlowLayout/LXReorderableCollectionViewFlowLayout.m
@@ -300,6 +300,10 @@ - (void)handleLongPressGesture:(UILongPressGestureRecognizer *)gestureRecognizer
         case UIGestureRecognizerStateBegan: {
             NSIndexPath *currentIndexPath = [self.collectionView indexPathForItemAtPoint:[gestureRecognizer locationInView:self.collectionView]];
             
+            if (currentIndexPath == nil) {
+                return;
+            }
+            
             if ([self.dataSource respondsToSelector:@selector(collectionView:canMoveItemAtIndexPath:)] &&
                ![self.dataSource collectionView:self.collectionView canMoveItemAtIndexPath:currentIndexPath]) {
                 return;