fix tap handler called on multiple cells

lkzhao · lkzhao · commit 07f2761357dc · 2017-10-18T17:54:07.000-04:00
diff --git a/Sources/CollectionView.swift b/Sources/CollectionView.swift
@@ -76,11 +76,12 @@ open class CollectionView: UIScrollView {
   }
 
   @objc func tap(gesture: UITapGestureRecognizer) {
-    for identifier in visibleIdentifiers {
+    for identifier in visibleIdentifiers.reversed() {
       let cell = identifierToView[identifier]!
       let index = identifierToIndex[identifier]!
       if cell.point(inside: gesture.location(in: cell), with: nil) {
         provider.didTap(view: cell, at: index)
+        return
       }
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -76,11 +76,12 @@ open class CollectionView: UIScrollView {`
`76`	`76`	`}`
`77`	`77`
`78`	`78`	`@objc func tap(gesture: UITapGestureRecognizer) {`
`79`		`- for identifier in visibleIdentifiers {`
	`79`	`+ for identifier in visibleIdentifiers.reversed() {`
`80`	`80`	`let cell = identifierToView[identifier]!`
`81`	`81`	`let index = identifierToIndex[identifier]!`
`82`	`82`	`if cell.point(inside: gesture.location(in: cell), with: nil) {`
`83`	`83`	`provider.didTap(view: cell, at: index)`
	`84`	`+ return`
`84`	`85`	`}`
`85`	`86`	`}`
`86`	`87`	`}`