Merge pull request #47 from loryhuz/master

default implementation of insetForSectionAt, UICollectionViewDelegate…

Author: Martin Barreto

Example/CustomActionControllers/Tweetbot.swift

@@ -64,7 +64,6 @@ open class TweetbotActionController: DynamicsActionController<TweetbotCell, Stri
  settings.behavior.bounces = true
  settings.behavior.useDynamics = true
  collectionView.contentInset = UIEdgeInsets(top: 0.0, left: 12.0, bottom: 6.0, right: 12.0)
- (collectionView.collectionViewLayout as? UICollectionViewFlowLayout)?.sectionInset = UIEdgeInsets(top: 0.0, left: 0.0, bottom: 6.0, right: 0.0)
 
  cellSpec = .nibFile(nibName: "TweetbotCell", bundle: Bundle(for: TweetbotCell.self), height: { _ in 50 })
 
@@ -100,4 +99,10 @@ open class TweetbotActionController: DynamicsActionController<TweetbotCell, Stri
  required public init?(coder aDecoder: NSCoder) {
  super.init(coder: aDecoder)
  }
+ 
+ // MARK: - UICollectionViewDelegateFlowLayout
+ 
+ open override func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets {
+ return UIEdgeInsets(top: 0.0, left: 0.0, bottom: 6.0, right: 0.0)
+ }
 }

Source/ActionController.swift

@@ -488,6 +488,10 @@ open class ActionController<ActionViewType: UICollectionViewCell, ActionDataType
  return CGSize.zero
  }
 
+ open func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets {
+ return self.collectionViewLayout.sectionInset
+ }
+ 
  // MARK: - UIViewControllerTransitioningDelegate
 
  open func animationController(forPresented presented: UIViewController, presenting: UIViewController, source: UIViewController) -> UIViewControllerAnimatedTransitioning? {
@@ -723,8 +727,12 @@ open class DynamicsActionController<ActionViewType: UICollectionViewCell, Action
  super.viewDidLoad()
 
  collectionView.frame = view.bounds
-
- contentHeight = CGFloat(numberOfActions()) * settings.collectionView.cellHeightWhenDynamicsIsUsed + (CGFloat(_sections.count) * (collectionViewLayout.sectionInset.top + collectionViewLayout.sectionInset.bottom))
+ 
+ contentHeight = CGFloat(numberOfActions()) * settings.collectionView.cellHeightWhenDynamicsIsUsed
+ for index in 0..<_sections.count {
+ let sectionInset = collectionView(collectionView, layout: collectionViewLayout, insetForSectionAt: index)
+ contentHeight += sectionInset.top + sectionInset.bottom
+ }
  contentHeight += collectionView.contentInset.bottom
 
  setUpContentInsetForHeight(view.frame.height)