From 02799a28b2131963a1e1725d1a9fadcb79a94fe4 Mon Sep 17 00:00:00 2001
From: Jin Wang <jinw1990@gmail.com>
Date: Wed, 22 Feb 2017 14:11:47 +1100
Subject: [PATCH] Updated the example to enable toggling between scrolling
 direction.

---
 .../Source/AnimatorTableViewController.swift  |  3 +++
 iOS Example/Source/Base.lproj/Main.storyboard | 21 +++++++++++--------
 .../ImageCollectionViewController.swift       | 15 ++++++++++---
 3 files changed, 27 insertions(+), 12 deletions(-)

diff --git a/iOS Example/Source/AnimatorTableViewController.swift b/iOS Example/Source/AnimatorTableViewController.swift
index d10380e..97f517b 100644
--- a/iOS Example/Source/AnimatorTableViewController.swift	
+++ b/iOS Example/Source/AnimatorTableViewController.swift	
@@ -20,6 +20,8 @@ class AnimatorTableViewController: UITableViewController {
                                                          (TurnAttributeAnimator(), true),
                                                          (PageAttributeAnimator(), true)]
     
+    @IBOutlet weak var isHorizontalScrollToggle: UISwitch!
+    
     override func viewDidLoad() {
         super.viewDidLoad()
     }
@@ -27,6 +29,7 @@ class AnimatorTableViewController: UITableViewController {
     override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
         if let dist = segue.destination as? ImageCollectionViewController, let indexPath = sender as? IndexPath {
             dist.animator = animators[indexPath.row]
+            dist.direction = isHorizontalScrollToggle.isOn ? .horizontal : .vertical
         }
     }
     
diff --git a/iOS Example/Source/Base.lproj/Main.storyboard b/iOS Example/Source/Base.lproj/Main.storyboard
index 0e0640f..5b389ff 100644
--- a/iOS Example/Source/Base.lproj/Main.storyboard	
+++ b/iOS Example/Source/Base.lproj/Main.storyboard	
@@ -32,9 +32,6 @@
                                     <rect key="frame" x="0.0" y="0.0" width="200" height="200"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                     <subviews>
-                                        <imageView userInteractionEnabled="NO" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="rEp-7G-ele">
-                                            <rect key="frame" x="0.0" y="0.0" width="200" height="200"/>
-                                        </imageView>
                                         <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Label" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="QSQ-Xq-WAm">
                                             <rect key="frame" x="-9" y="39" width="218.5" height="123"/>
                                             <fontDescription key="fontDescription" name="AvenirNext-UltraLight" family="Avenir Next" pointSize="90"/>
@@ -45,15 +42,10 @@
                                 </view>
                                 <constraints>
                                     <constraint firstItem="QSQ-Xq-WAm" firstAttribute="centerX" secondItem="PaF-XJ-Xcy" secondAttribute="centerX" id="9ef-xY-PkK"/>
-                                    <constraint firstItem="rEp-7G-ele" firstAttribute="height" secondItem="PaF-XJ-Xcy" secondAttribute="height" id="A8q-In-0iS"/>
                                     <constraint firstItem="QSQ-Xq-WAm" firstAttribute="centerY" secondItem="PaF-XJ-Xcy" secondAttribute="centerY" id="Ka3-TZ-Uga"/>
-                                    <constraint firstItem="rEp-7G-ele" firstAttribute="width" secondItem="PaF-XJ-Xcy" secondAttribute="width" id="VWm-DV-EL2"/>
-                                    <constraint firstItem="rEp-7G-ele" firstAttribute="centerY" secondItem="PaF-XJ-Xcy" secondAttribute="centerY" id="pAQ-sA-XXz"/>
-                                    <constraint firstItem="rEp-7G-ele" firstAttribute="centerX" secondItem="PaF-XJ-Xcy" secondAttribute="centerX" id="yZz-3A-8OJ"/>
                                 </constraints>
                                 <size key="customSize" width="200" height="200"/>
                                 <connections>
-                                    <outlet property="imageView" destination="rEp-7G-ele" id="c00-fB-pdC"/>
                                     <outlet property="titleLabel" destination="QSQ-Xq-WAm" id="8Vm-ea-2IG"/>
                                 </connections>
                             </collectionViewCell>
@@ -64,6 +56,9 @@
                             <outletCollection property="gestureRecognizers" destination="fV7-M7-lkK" appends="YES" id="xdo-8N-nFh"/>
                         </connections>
                     </collectionView>
+                    <connections>
+                        <outlet property="dismissGesture" destination="fV7-M7-lkK" id="f4D-o0-056"/>
+                    </connections>
                 </collectionViewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="Q7N-eU-rZ2" userLabel="First Responder" sceneMemberID="firstResponder"/>
                 <swipeGestureRecognizer direction="down" id="fV7-M7-lkK">
@@ -87,8 +82,16 @@
                             <outlet property="delegate" destination="1N0-Hp-srR" id="mtz-Pt-omi"/>
                         </connections>
                     </tableView>
-                    <navigationItem key="navigationItem" id="cZr-2G-mbD"/>
+                    <navigationItem key="navigationItem" id="cZr-2G-mbD">
+                        <barButtonItem key="rightBarButtonItem" title="Horizontal Scroll" style="plain" id="fms-Ek-KSO">
+                            <switch key="customView" opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" on="YES" id="zF8-Bv-g8k">
+                                <rect key="frame" x="310" y="6" width="51" height="31"/>
+                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                            </switch>
+                        </barButtonItem>
+                    </navigationItem>
                     <connections>
+                        <outlet property="isHorizontalScrollToggle" destination="zF8-Bv-g8k" id="B4Q-KV-sq9"/>
                         <segue destination="24e-mu-gTV" kind="presentation" identifier="ShowCollectionViewController" id="eY7-aQ-bXf"/>
                     </connections>
                 </tableViewController>
diff --git a/iOS Example/Source/ImageCollectionViewController.swift b/iOS Example/Source/ImageCollectionViewController.swift
index 4597f98..fce8015 100644
--- a/iOS Example/Source/ImageCollectionViewController.swift	
+++ b/iOS Example/Source/ImageCollectionViewController.swift	
@@ -11,13 +11,16 @@ import AnimatedCollectionViewLayout
 
 class SimpleCollectionViewCell: UICollectionViewCell {
     
-    @IBOutlet weak var imageView: UIImageView!
     @IBOutlet weak var titleLabel: UILabel!
     
-    func bind(color: String, imageName: String) {
-        titleLabel.text = "\(arc4random_uniform(1000))"
+    override func awakeFromNib() {
+        super.awakeFromNib()
         backgroundColor = .clear
+    }
+    
+    func bind(color: String, imageName: String) {
         contentView.backgroundColor = color.hexColor
+        titleLabel.text = "\(arc4random_uniform(1000))"
     }
 }
 
@@ -43,7 +46,10 @@ extension String {
 
 class ImageCollectionViewController: UICollectionViewController {
 
+    @IBOutlet var dismissGesture: UISwipeGestureRecognizer!
+    
     var animator: (LayoutAttributesAnimator, Bool)?
+    var direction: UICollectionViewScrollDirection = .horizontal
     
     let cellIdentifier = "SimpleCollectionViewCell"
     let vcs = [("f44336", "nature1"),
@@ -61,8 +67,11 @@ class ImageCollectionViewController: UICollectionViewController {
         collectionView?.isPagingEnabled = true
         
         if let layout = collectionView?.collectionViewLayout as? AnimatedCollectionViewLayout {
+            layout.scrollDirection = direction
             layout.animator = animator?.0
         }
+        
+        dismissGesture.direction = direction == .horizontal ? .down : .left
     }
 
     override func didReceiveMemoryWarning() {