Fix issue #60

WenchaoD · WenchaoD · commit 7b307dac2c6b · 2017-07-05T22:18:35.000+08:00
diff --git a/Sources/FSPagerView.swift b/Sources/FSPagerView.swift
@@ -530,7 +530,13 @@ open class FSPagerView: UIView,UICollectionViewDataSource,UICollectionViewDelega
         guard let _ = self.superview, let _ = self.window, self.numberOfItems > 0, !self.isTracking else {
             return
         }
-        self.scrollToItem(at: (self.currentIndex+1)%self.numberOfItems, animated: true)
+        let contentOffset: CGPoint = {
+            let indexPath = self.centermostIndexPath
+            let section = self.isInfinite ?  (indexPath.section+(indexPath.item+1)/self.numberOfItems) : 0
+            let item = (indexPath.item+1) % self.numberOfItems
+            return self.collectionViewLayout.contentOffset(for: IndexPath(item: item, section: section))
+        }()
+        self.collectionView.setContentOffset(contentOffset, animated: true)
     }
     
     fileprivate func cancelTimer() {

Original file line number	Diff line number	Diff line change
`@@ -530,7 +530,13 @@ open class FSPagerView: UIView,UICollectionViewDataSource,UICollectionViewDelega`
`530`	`530`	`guard let _ = self.superview, let _ = self.window, self.numberOfItems > 0, !self.isTracking else {`
`531`	`531`	`return`
`532`	`532`	`}`
`533`		`- self.scrollToItem(at: (self.currentIndex+1)%self.numberOfItems, animated: true)`
	`533`	`+ let contentOffset: CGPoint = {`
	`534`	`+ let indexPath = self.centermostIndexPath`
	`535`	`+ let section = self.isInfinite ? (indexPath.section+(indexPath.item+1)/self.numberOfItems) : 0`
	`536`	`+ let item = (indexPath.item+1) % self.numberOfItems`
	`537`	`+ return self.collectionViewLayout.contentOffset(for: IndexPath(item: item, section: section))`
	`538`	`+ }()`
	`539`	`+ self.collectionView.setContentOffset(contentOffset, animated: true)`
`534`	`540`	`}`
`535`	`541`
`536`	`542`	`fileprivate func cancelTimer() {`