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Fix PagerNode from not loading

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This commit is contained in:
Levi McCallum
2016-03-25 10:02:47 -07:00
parent c1330682f9
commit 687be58621
1 changed files with 3 additions and 4 deletions
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7
AsyncDisplayKit/ASPagerFlowLayout.m
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@@ -34,6 +34,9 @@
- (CGPoint)_targetContentOffsetForItemAtIndexPath:(NSIndexPath *)indexPath proposedContentOffset:(CGPoint)proposedContentOffset - (CGPoint)_targetContentOffsetForItemAtIndexPath:(NSIndexPath *)indexPath proposedContentOffset:(CGPoint)proposedContentOffset
{ {
if ([self _dataSourceIsEmpty]) {
return proposedContentOffset;
}
UICollectionViewLayoutAttributes *attributes = [self layoutAttributesForItemAtIndexPath:indexPath]; UICollectionViewLayoutAttributes *attributes = [self layoutAttributesForItemAtIndexPath:indexPath];
CGFloat xOffset = (self.collectionView.bounds.size.width - attributes.frame.size.width) / 2; CGFloat xOffset = (self.collectionView.bounds.size.width - attributes.frame.size.width) / 2;
return CGPointMake(attributes.frame.origin.x - xOffset, proposedContentOffset.y); return CGPointMake(attributes.frame.origin.x - xOffset, proposedContentOffset.y);
@@ -41,10 +44,6 @@
- (NSIndexPath *)_indexPathForVisiblyCenteredItem - (NSIndexPath *)_indexPathForVisiblyCenteredItem
{ {
if ([self _dataSourceIsEmpty]) {
return nil;
}
CGRect visibleRect = [self _visibleRect]; CGRect visibleRect = [self _visibleRect];
CGFloat visibleXCenter = CGRectGetMidX(visibleRect); CGFloat visibleXCenter = CGRectGetMidX(visibleRect);
NSArray<UICollectionViewLayoutAttributes *> *layoutAttributes = [self layoutAttributesForElementsInRect:visibleRect]; NSArray<UICollectionViewLayoutAttributes *> *layoutAttributes = [self layoutAttributesForElementsInRect:visibleRect];