Fixes #18

Readme fixed again.. -_-

DemoExpandingCollection/DemoExpandingCollection/AppDelegate.swift

@@ -49,7 +49,6 @@ extension AppDelegate {
     shadow.shadowOffset = CGSize(width: 0, height: 2)
     shadow.shadowColor = UIColor(red: 0, green: 0, blue: 0, alpha: 0.1)
     
-//    shadow.shadowOffset = k
     UINavigationBar.appearance().titleTextAttributes = [
       NSForegroundColorAttributeName : UIColor.whiteColor(),
       NSShadowAttributeName: shadow

DemoExpandingCollection/DemoExpandingCollection/ViewControllers/DemoTableViewController/DemoTableViewController.swift

@@ -50,17 +50,17 @@ extension DemoTableViewController {
 extension DemoTableViewController {
   
   override func scrollViewDidScroll(scrollView: UIScrollView) {
-    if scrollView.contentOffset.y < -25 {
-      // buttonAnimation
-      let viewControllers: [DemoViewController?] = navigationController?.viewControllers.map { $0 as? DemoViewController } ?? []
-
-      for viewController in viewControllers {
-        if let rightButton = viewController?.navigationItem.rightBarButtonItem as? AnimatingBarButton {
-          rightButton.animationSelected(false)
-        }
-      }
-      popTransitionAnimation()
-    }
+//    if scrollView.contentOffset.y < -25 {
+//      // buttonAnimation
+//      let viewControllers: [DemoViewController?] = navigationController?.viewControllers.map { $0 as? DemoViewController } ?? []
+//
+//      for viewController in viewControllers {
+//        if let rightButton = viewController?.navigationItem.rightBarButtonItem as? AnimatingBarButton {
+//          rightButton.animationSelected(false)
+//        }
+//      }
+//      popTransitionAnimation()
+//    }
     
     scrollOffsetY = scrollView.contentOffset.y
   }

DemoExpandingCollection/DemoExpandingCollection/ViewControllers/DemoViewController/DemoViewController.swift

@@ -22,6 +22,7 @@ class DemoViewController: ExpandingViewController {
 extension DemoViewController {
   
   override func viewDidLoad() {
+    itemSize = CGSize(width: 256, height: 335)
     super.viewDidLoad()
     
     registerCell()
@@ -104,7 +105,8 @@ extension DemoViewController {
 
 extension DemoViewController {
   
-  func collectionView(collectionView: UICollectionView, willDisplayCell cell: UICollectionViewCell, forItemAtIndexPath indexPath: NSIndexPath) {
+  override func collectionView(collectionView: UICollectionView, willDisplayCell cell: UICollectionViewCell, forItemAtIndexPath indexPath: NSIndexPath) {
+    super.collectionView(collectionView, willDisplayCell: cell, forItemAtIndexPath: indexPath)
     guard let cell = cell as? DemoCollectionViewCell else { return }
 
     let index = indexPath.row % items.count

README.md

@@ -5,6 +5,8 @@
 [![Twitter](https://img.shields.io/badge/Twitter-@Ramotion-blue.svg?style=flat)](http://twitter.com/Ramotion)
 [![CocoaPods](https://img.shields.io/cocoapods/p/expanding-collection.svg)](https://cocoapods.org/pods/expanding-collection)
 [![CocoaPods](https://img.shields.io/cocoapods/v/expanding-collection.svg)](http://cocoapods.org/pods/expanding-collection)
+[![CocoaPods](https://img.shields.io/cocoapods/metrics/doc-percent/expanding-collection.svg)](https://cdn.rawgit.com/Ramotion/expanding-collection/master/docs/index.html)
+
 [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Ramotion/expanding-collection)
 [![Travis](https://travis-ci.org/Ramotion/elastic-pull-to-update.svg?branch=master)](https://travis-ci.org/Ramotion/elastic-pull-to-update)
 [![codebeat badge](https://codebeat.co/badges/6a009992-5bf2-4730-aa35-f3b20ce7693d)](https://codebeat.co/projects/github-com-ramotion-expanding-collection)
@@ -25,7 +27,7 @@ Just add the Source folder to your project.
 
 or use [CocoaPods](https://cocoapods.org) with Podfile:
 ``` ruby
-pod 'expanding-collection' 
+pod 'expanding-collection'
 ```
 or [Carthage](https://github.com/Carthage/Carthage) users can simply add to their `Cartfile`:
 ```
@@ -35,7 +37,7 @@ github "Ramotion/expanding-collection"
 ## Usage
 
 ```swift
-import expanding_collection
+import ExpandingCollection
 ```
 
 #### Create CollectionViewCell

Source/ExpandingTableViewController/ExpandingTableViewController.swift

@@ -24,10 +24,22 @@ extension ExpandingTableViewController {
   
   private func getScreen() -> UIImage? {
     let height = (headerHeight - tableView.contentOffset.y) < 0 ? 0 : (headerHeight - tableView.contentOffset.y)
-    let backImageSize = CGSize(width: view.bounds.width, height: view.bounds.height - height)
+    let backImageSize = CGSize(width: view.bounds.width, height: view.bounds.height - height + getTabBarHeight())
     let backImageOrigin = CGPoint(x: 0, y: height + tableView.contentOffset.y)
     return view.takeSnapshot(CGRect(origin: backImageOrigin, size: backImageSize))
   }
+  
+  private func getTabBarHeight() -> CGFloat {
+    guard let navigationController = self.navigationController else {
+      return 0
+    }
+    
+    let insets = automaticallyAdjustsScrollViewInsets
+    let tabBarHeight =  insets == true ? navigationController.navigationBar.frame.size.height : 0
+    let stausBarHeight = insets == true ? UIApplication.sharedApplication().statusBarFrame.size.height : 0
+    return tabBarHeight + stausBarHeight
+  }
+
 }
 
 // MARK: Methods
@@ -43,7 +55,10 @@ extension ExpandingTableViewController {
     }
     
     let backImage = getScreen()
-    let offset = tableView.contentOffset.y > headerHeight ? headerHeight : tableView.contentOffset.y
+    var offset = tableView.contentOffset.y > headerHeight ? headerHeight : tableView.contentOffset.y
+    
+    offset += getTabBarHeight()
+ 
     transitionDriver.popTransitionAnimationContantOffset(offset, backImage: backImage)
     self.navigationController?.popViewControllerAnimated(false)
   }

Source/ExpandingViewController/CollectionView/Cells/BasePageCollectionCell.swift

@@ -101,17 +101,20 @@ extension BasePageCollectionCell {
   public func cellIsOpen(isOpen: Bool, animated: Bool = true) {
     if isOpen == isOpened { return }
     
-    frontConstraintY.constant = isOpen == true ? -bounds.size.height / 5 : 0
-    backConstraintY.constant  = isOpen == true ? bounds.size.height / 5 - yOffset / 2 : 0
+    frontConstraintY.constant = isOpen == true ? -frontContainerView.bounds.size.height / 5 : 0
+    backConstraintY.constant  = isOpen == true ? frontContainerView.bounds.size.height / 5 - yOffset / 2 : 0
     
     if let widthConstant = backContainerView.getConstraint(.Width) {
-      widthConstant.constant = isOpen == true ? contentView.bounds.size.width + yOffset : contentView.bounds.size.width
+      widthConstant.constant = isOpen == true ? frontContainerView.bounds.size.width + yOffset : frontContainerView.bounds.size.width
     }
     
     if let heightConstant = backContainerView.getConstraint(.Height) {
-      heightConstant.constant = isOpen == true ? contentView.bounds.size.height + yOffset : contentView.bounds.size.height
+      heightConstant.constant = isOpen == true ? frontContainerView.bounds.size.height + yOffset : frontContainerView.bounds.size.height
     }
     
+    configurationCell()
+
+    
     if animated == true {
       UIView.animateWithDuration(0.3, delay: 0, options: .CurveEaseInOut, animations: {
         self.contentView.layoutIfNeeded()
@@ -178,6 +181,26 @@ extension BasePageCollectionCell {
     
     return shadow
   }
+  
+  func configurationCell() {
+    frame.size.height += (superview?.frame.size.height)!
+    frame.origin.y -= (superview?.frame.size.height)! / 2
+    frame.origin.x -= yOffset / 2
+    frame.size.width += yOffset
+  }
+  
+  
+  func configureCellViewConstraintsWithSize(size: CGSize) {
+    guard isOpened == false && frontContainerView.getConstraint(.Width)?.constant != size.width else { return }
+    
+    [frontContainerView, backContainerView].forEach {
+      let constraintWidth = $0.getConstraint(.Width)
+      constraintWidth?.constant = size.width
+      
+      let constraintHeight = $0.getConstraint(.Height)
+      constraintHeight?.constant = size.height
+    }
+  }
 }
 
 // MARK: NSCoding

Source/ExpandingViewController/ExpandingViewController.swift

@@ -53,17 +53,22 @@ public extension ExpandingViewController {
    - parameter viewController: The table view controller to push onto the stack. 
    */
   func pushToViewController(viewController: ExpandingTableViewController) {
-    guard let collectionView = self.collectionView else {
+    guard let collectionView = self.collectionView,
+    let navigationController = self.navigationController else {
       return
     }
     
     viewController.transitionDriver = transitionDriver
+    let insets = viewController.automaticallyAdjustsScrollViewInsets
+    let tabBarHeight =  insets == true ? navigationController.navigationBar.frame.size.height : 0
+    let stausBarHeight = insets == true ? UIApplication.sharedApplication().statusBarFrame.size.height : 0
     let backImage = getBackImage(viewController, headerHeight: viewController.headerHeight)
     
     transitionDriver?.pushTransitionAnimationIndex(currentIndex,
                                                    collecitionView: collectionView,
                                                    backImage: backImage,
-                                                   headerHeight: viewController.headerHeight) { headerView in
+                                                   headerHeight: viewController.headerHeight,
+                                                   insets: tabBarHeight + stausBarHeight) { headerView in
       viewController.tableView.tableHeaderView = headerView
       self.navigationController?.pushViewController(viewController, animated: false)
     }
@@ -100,8 +105,15 @@ extension ExpandingViewController {
 
 // MARK: UICollectionViewDataSource
 
-extension ExpandingViewController: UICollectionViewDataSource, UICollectionViewDelegate{
+extension ExpandingViewController: UICollectionViewDataSource, UICollectionViewDelegate {
   
+  public func collectionView(collectionView: UICollectionView, willDisplayCell cell: UICollectionViewCell, forItemAtIndexPath indexPath: NSIndexPath) {
+    guard case let cell as BasePageCollectionCell = cell else {
+      return
+    }
+    
+    cell.configureCellViewConstraintsWithSize(itemSize)
+  }
   public func collectionView(collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
     fatalError("need emplementation in subclass")
   }
@@ -111,3 +123,15 @@ extension ExpandingViewController: UICollectionViewDataSource, UICollectionViewD
   }
 }
 
+// MARK: UIScrollViewDelegate 
+
+extension ExpandingViewController {
+  
+  public func scrollViewDidEndDecelerating(scrollView: UIScrollView) {
+    let indexPath = NSIndexPath(forRow: currentIndex, inSection: 0)
+    if case let currentCell as BasePageCollectionCell = collectionView?.cellForItemAtIndexPath(indexPath) {
+      currentCell.configurationCell()
+    }
+  }
+}
+

Source/TransitionDriver/TransitionDriver.swift

@@ -45,6 +45,7 @@ extension TransitionDriver {
                                     collecitionView: UICollectionView,
                                     backImage: UIImage?,
                                     headerHeight: CGFloat,
+                                    insets: CGFloat,
                                     completion: UIView -> Void) {
     
     guard case let cell as BasePageCollectionCell = collecitionView.cellForItemAtIndexPath(NSIndexPath(forRow: currentIndex, inSection: 0)),
@@ -60,8 +61,8 @@ extension TransitionDriver {
     configurateCell(copyView, backImage: backImage)
     backImageView = addImageToView(copyView.backContainerView, image: backImage)
     
-    openBackViewConfigureConstraints(copyView, height: headerHeight)
-    openFrontViewConfigureConstraints(copyView, height: headerHeight)
+    openBackViewConfigureConstraints(copyView, height: headerHeight, insets: insets)
+    openFrontViewConfigureConstraints(copyView, height: headerHeight, insets: insets)
     
     // corner animation 
     copyView.backContainerView.animationCornerRadius(0, duration: duration)
@@ -188,7 +189,7 @@ extension TransitionDriver {
 
 extension TransitionDriver {
   
-  private func openFrontViewConfigureConstraints(cell: BasePageCollectionCell, height: CGFloat) {
+  private func openFrontViewConfigureConstraints(cell: BasePageCollectionCell, height: CGFloat, insets: CGFloat) {
     
     if let heightConstraint = cell.frontContainerView.getConstraint(.Height) {
       frontViewFrame.size.height = heightConstraint.constant
@@ -201,10 +202,10 @@ extension TransitionDriver {
     }
     
     frontViewFrame.origin.y        = cell.frontConstraintY.constant
-    cell.frontConstraintY.constant = -view.bounds.size.height / 2 + height / 2
+    cell.frontConstraintY.constant = -view.bounds.size.height / 2 + height / 2 + insets
   }
   
-  private func openBackViewConfigureConstraints(cell: BasePageCollectionCell, height: CGFloat) {
+  private func openBackViewConfigureConstraints(cell: BasePageCollectionCell, height: CGFloat, insets: CGFloat) {
     
     if let heightConstraint = cell.backContainerView.getConstraint(.Height) {
       backViewFrame.size.height = heightConstraint.constant
@@ -217,7 +218,7 @@ extension TransitionDriver {
     }
     
     backViewFrame.origin.y        = cell.backConstraintY.constant
-    cell.backConstraintY.constant = view.bounds.size.height / 2 - (view.bounds.size.height - 236) / 2
+    cell.backConstraintY.constant = view.bounds.size.height / 2 - (view.bounds.size.height - 236) / 2 + insets
   }
   
   private func closeBackViewConfigurationConstraints(cell: BasePageCollectionCell?) {

expanding-collection.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'expanding-collection'
-  s.version      = '0.0.6'
+  s.version      = '0.2.1'
   s.summary      = 'Transition animtion from CollectionView to TableView'
   s.license      = 'MIT'
   s.homepage     = 'https://github.com/Ramotion/expanding-collection'