Add scroll

Author: muukii

Cartfile.private

@@ -1 +1,2 @@
 github "devxoul/Then"
+github "nakiostudio/EasyPeasy"

Cartfile.resolved

@@ -1,2 +1,2 @@
-github "nakiostudio/EasyPeasy" "a79e0d1c48d42cc1a28ea95e9fd8b924dfbea8a8"
-github "devxoul/Then" "2.0.0"
+github "nakiostudio/EasyPeasy" "1.4.1"
+github "devxoul/Then" "2.1.0"

StackScrollView/StackScrollView.swift

@@ -60,7 +60,7 @@ open class StackScrollView: UICollectionView, UICollectionViewDataSource, UIColl
     register(Cell.self, forCellWithReuseIdentifier: "Cell")
     alwaysBounceVertical = true
     delaysContentTouches = false
-    keyboardDismissMode = .onDrag
+    keyboardDismissMode = .interactive
     backgroundColor = .white
 
     delegate = self
@@ -95,6 +95,12 @@ open class StackScrollView: UICollectionView, UICollectionViewDataSource, UIColl
     scrollRectToVisible(targetRect, animated: true)
   }
 
+  open func scroll(to view: UIView, at position: UICollectionViewScrollPosition, animated: Bool) {
+    if let index = views.index(of: view) {
+      scrollToItem(at: IndexPath(item: index, section: 0), at: position, animated: animated)
+    }
+  }
+
   open override func touchesShouldCancel(in view: UIView) -> Bool {
     return true
   }
@@ -203,6 +209,9 @@ open class StackScrollView: UICollectionView, UICollectionViewDataSource, UIColl
   }
 
   final class Cell: UICollectionViewCell {
-    
+
+    override func preferredLayoutAttributesFitting(_ layoutAttributes: UICollectionViewLayoutAttributes) -> UICollectionViewLayoutAttributes {
+      return layoutAttributes
+    }
   }
 }

StackScrollView/StackScrollViewCellType.swift

@@ -43,6 +43,10 @@ extension StackScrollViewCellType where Self: UIView {
     stackScrollView?.scroll(to: self, animated: animated)
   }
 
+  public func scrollToSelf(at position: UICollectionViewScrollPosition, animated: Bool) {
+    stackScrollView?.scroll(to: self, at: position, animated: animated)
+  }
+
   public func updateLayout(animated: Bool) {
     invalidateIntrinsicContentSize()
     stackScrollView?.updateLayout(animated: animated)