Merge branch 'development' into development

58a5469c · Daniel Dahan · GitHub · 9b743d59 · 98166c9a · 58a5469c
Commit 58a5469c authored Apr 22, 2017 by Daniel Dahan Committed by GitHub Apr 22, 2017
19 changed files
--- a/Material.xcodeproj/project.pbxproj
+++ b/Material.xcodeproj/project.pbxproj
@@ -7,7 +7,7 @@
 	objects = {
 /* Begin PBXBuildFile section */
-		9606CFAC1E957AC3006B4E74 /* TabMenuController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9606CFAB1E957AC3006B4E74 /* TabMenuController.swift */; };
+		9606CFAC1E957AC3006B4E74 /* PageMenuController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9606CFAB1E957AC3006B4E74 /* PageMenuController.swift */; };
 		961409B01E43D15C00E7BA99 /* CollectionViewCard.swift in Headers */ = {isa = PBXBuildFile; fileRef = 961730591E145DE900A9A297 /* CollectionViewCard.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		961409B11E43D15C00E7BA99 /* FABMenu.swift in Headers */ = {isa = PBXBuildFile; fileRef = 96A183621E0C6CE200083C30 /* FABMenu.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		961409B21E43D15C00E7BA99 /* FABMenuController.swift in Headers */ = {isa = PBXBuildFile; fileRef = 96A183641E0C6DD400083C30 /* FABMenuController.swift */; settings = {ATTRIBUTES = (Public, ); }; };
@@ -23,7 +23,7 @@
 		9617B0871DFCA8CF00410F8F /* PageTabBarController.swift in Headers */ = {isa = PBXBuildFile; fileRef = 963FBF071D669D14008F8512 /* PageTabBarController.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		9617B0881DFCA8CF00410F8F /* PhotoLibrary.swift in Headers */ = {isa = PBXBuildFile; fileRef = 96717B161DBE6B1800DA84DB /* PhotoLibrary.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		9617B0891DFCA8CF00410F8F /* PhotoLibraryController.swift in Headers */ = {isa = PBXBuildFile; fileRef = 96717B171DBE6B1800DA84DB /* PhotoLibraryController.swift */; settings = {ATTRIBUTES = (Public, ); }; };
-		9617B08A1DFCA8CF00410F8F /* Display.swift in Headers */ = {isa = PBXBuildFile; fileRef = 9626CA961DAB53A8003E2611 /* Display.swift */; settings = {ATTRIBUTES = (Public, ); }; };
+		9617B08A1DFCA8CF00410F8F /* DisplayStyle.swift in Headers */ = {isa = PBXBuildFile; fileRef = 9626CA961DAB53A8003E2611 /* DisplayStyle.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		9617B08B1DFCA8CF00410F8F /* Screen.swift in Headers */ = {isa = PBXBuildFile; fileRef = 961E6BE11DDA2AF3004E6C93 /* Screen.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		9617B08C1DFCA8CF00410F8F /* SearchBar.swift in Headers */ = {isa = PBXBuildFile; fileRef = 96BCB7951CB40DC500C806FE /* SearchBar.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		9617B08D1DFCA8CF00410F8F /* SearchBarController.swift in Headers */ = {isa = PBXBuildFile; fileRef = 96BCB7961CB40DC500C806FE /* SearchBarController.swift */; settings = {ATTRIBUTES = (Public, ); }; };
@@ -103,7 +103,7 @@
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 		965E81141DD4D5C800D61E4B /* PhotoLibrary.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96717B161DBE6B1800DA84DB /* PhotoLibrary.swift */; };
 		965E81151DD4D5C800D61E4B /* PhotoLibraryController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96717B171DBE6B1800DA84DB /* PhotoLibraryController.swift */; };
-		965E81161DD4D5C800D61E4B /* Display.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9626CA961DAB53A8003E2611 /* Display.swift */; };
+		965E81161DD4D5C800D61E4B /* DisplayStyle.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9626CA961DAB53A8003E2611 /* DisplayStyle.swift */; };
 		965E81171DD4D5C800D61E4B /* RootController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96BCB7991CB40DC500C806FE /* RootController.swift */; };
 		965E81181DD4D5C800D61E4B /* Snackbar.swift in Sources */ = {isa = PBXBuildFile; fileRef = 963FBEFC1D669510008F8512 /* Snackbar.swift */; };
 		965E81191DD4D5C800D61E4B /* SnackbarController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 961EFC571D738FF600E84652 /* SnackbarController.swift */; };
@@ -190,7 +190,7 @@
 /* End PBXBuildFile section */
 /* Begin PBXFileReference section */
-		9606CFAB1E957AC3006B4E74 /* TabMenuController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TabMenuController.swift; sourceTree = "<group>"; };
+		9606CFAB1E957AC3006B4E74 /* PageMenuController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = PageMenuController.swift; sourceTree = "<group>"; };
 		961276621DCD8B1800A7D920 /* CharacterAttribute.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CharacterAttribute.swift; sourceTree = "<group>"; };
 		961730591E145DE900A9A297 /* CollectionViewCard.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CollectionViewCard.swift; sourceTree = "<group>"; };
 		961E6BDE1DDA2A95004E6C93 /* Application.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Application.swift; sourceTree = "<group>"; };
@@ -198,7 +198,7 @@
 		961EFC571D738FF600E84652 /* SnackbarController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SnackbarController.swift; sourceTree = "<group>"; };
 		961F18E71CD93E3E008927C5 /* ErrorTextField.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ErrorTextField.swift; sourceTree = "<group>"; };
 		96230AB71D6A520C00AF47DC /* Divider.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Divider.swift; sourceTree = "<group>"; };
-		9626CA961DAB53A8003E2611 /* Display.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Display.swift; sourceTree = "<group>"; };
+		9626CA961DAB53A8003E2611 /* DisplayStyle.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = DisplayStyle.swift; sourceTree = "<group>"; };
 		9626CB9A1DAD3D1D003E2611 /* HeightPreset.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = HeightPreset.swift; sourceTree = "<group>"; };
 		962864591D53FE3E00690B69 /* Material+UIWindow.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "Material+UIWindow.swift"; sourceTree = "<group>"; };
 		9628645E1D540AF300690B69 /* DynamicFontType.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = DynamicFontType.swift; sourceTree = "<group>"; };
@@ -350,7 +350,7 @@
 		9626CA951DAB5370003E2611 /* Root */ = {
 			isa = PBXGroup;
 			children = (
-				9626CA961DAB53A8003E2611 /* Display.swift */,
+				9626CA961DAB53A8003E2611 /* DisplayStyle.swift */,
 				96BCB7991CB40DC500C806FE /* RootController.swift */,
 			);
 			name = Root;
@@ -364,13 +364,13 @@
 			name = Height;
 			sourceTree = "<group>";
 		};
-		962DDD071D6FBBB7001C307C /* TabMenu */ = {
+		962DDD071D6FBBB7001C307C /* PageTabMenu */ = {
 			isa = PBXGroup;
 			children = (
 				963FBF071D669D14008F8512 /* PageTabBarController.swift */,
-				9606CFAB1E957AC3006B4E74 /* TabMenuController.swift */,
+				9606CFAB1E957AC3006B4E74 /* PageMenuController.swift */,
 			);
-			name = TabMenu;
+			name = PageTabMenu;
 			sourceTree = "<group>";
 		};
 		962DDD081D6FBBD0001C307C /* BottomTabBar */ = {
@@ -530,7 +530,7 @@
 				96BCB8091CB4107700C806FE /* Motion */,
 				96BCB8011CB40F1700C806FE /* Navigation */,
 				961E6BEF1DDA4B04004E6C93 /* NavigationDrawer */,
-				962DDD071D6FBBB7001C307C /* TabMenu */,
+				962DDD071D6FBBB7001C307C /* PageTabMenu */,
 				96717B151DBE6B1800DA84DB /* Photos */,
 				96328B8F1E05B69A009A4C90 /* Reminders */,
 				9626CA951DAB5370003E2611 /* Root */,
@@ -820,7 +820,7 @@
 				9617B0871DFCA8CF00410F8F /* PageTabBarController.swift in Headers */,
 				9617B0881DFCA8CF00410F8F /* PhotoLibrary.swift in Headers */,
 				9617B0891DFCA8CF00410F8F /* PhotoLibraryController.swift in Headers */,
-				9617B08A1DFCA8CF00410F8F /* Display.swift in Headers */,
+				9617B08A1DFCA8CF00410F8F /* DisplayStyle.swift in Headers */,
 				9617B08B1DFCA8CF00410F8F /* Screen.swift in Headers */,
 				9617B08C1DFCA8CF00410F8F /* SearchBar.swift in Headers */,
 				9617B08D1DFCA8CF00410F8F /* SearchBarController.swift in Headers */,
@@ -943,7 +943,7 @@
 				965E81131DD4D5C800D61E4B /* NavigationDrawerController.swift in Sources */,
 				965E81141DD4D5C800D61E4B /* PhotoLibrary.swift in Sources */,
 				965E81151DD4D5C800D61E4B /* PhotoLibraryController.swift in Sources */,
-				965E81161DD4D5C800D61E4B /* Display.swift in Sources */,
+				965E81161DD4D5C800D61E4B /* DisplayStyle.swift in Sources */,
 				965E81171DD4D5C800D61E4B /* RootController.swift in Sources */,
 				965E81181DD4D5C800D61E4B /* Snackbar.swift in Sources */,
 				96328B911E05B6B5009A4C90 /* Reminders.swift in Sources */,
@@ -995,7 +995,7 @@
 				965E80D81DD4C50600D61E4B /* Layer.swift in Sources */,
 				965E80D91DD4C50600D61E4B /* Layout.swift in Sources */,
 				965E80DA1DD4C50600D61E4B /* Border.swift in Sources */,
-				9606CFAC1E957AC3006B4E74 /* TabMenuController.swift in Sources */,
+				9606CFAC1E957AC3006B4E74 /* PageMenuController.swift in Sources */,
 				965E80DB1DD4C50600D61E4B /* InterimSpace.swift in Sources */,
 				965E80DC1DD4C50600D61E4B /* Depth.swift in Sources */,
 				965E80DD1DD4C50600D61E4B /* EdgeInsets.swift in Sources */,

--- a/Sources/iOS/Bar.swift
+++ b/Sources/iOS/Bar.swift
@@ -39,7 +39,7 @@ public enum ContentViewAlignment: Int {
 open class Bar: View {
    /// Will layout the view.
    open var willLayout: Bool {
-        return 0 < width && 0 < height && nil != superview
+        return 0 < width && 0 < height && nil != superview && !grid.deferred
    }
    open override var intrinsicContentSize: CGSize {
@@ -105,7 +105,7 @@ open class Bar: View {
    }
    /// ContentView that holds the any desired subviews.
-    open let contentView = UIView()
+    open let contentView = UIScrollView()
    /// Left side UIViews.
    open var leftViews: [UIView] {
@@ -183,15 +183,6 @@ open class Bar: View {
            return
        }
-        guard !grid.deferred else {
-            return
-        }
-        reload()
-    }
-    /// Reloads the view.
-    open func reload() {
        var lc = 0
        var rc = 0
@@ -281,5 +272,17 @@ open class Bar: View {
        autoresizingMask = .flexibleWidth
        interimSpacePreset = .interimSpace3
        contentEdgeInsetsPreset = .square1
+        prepareContentView()
+    }
+}
+extension Bar {
+    /// Prepares the contentView.
+    fileprivate func prepareContentView() {
+        contentView.bounces = false
+        contentView.isPagingEnabled = true
+        contentView.showsVerticalScrollIndicator = false
+        contentView.showsHorizontalScrollIndicator = false
+        contentView.contentScaleFactor = Screen.scale
    }
 }
--- a/Sources/iOS/BottomNavigationController.swift
+++ b/Sources/iOS/BottomNavigationController.swift
@@ -72,7 +72,12 @@ open class BottomNavigationController: UITabBarController {
 		layoutSubviews()
 	}
-	open func layoutSubviews() {
+    /**
+     To execute in the order of the layout chain, override this
+     method. `layoutSubviews` should be called immediately, unless you
+     have a certain need.
+     */
+    open func layoutSubviews() {
 		if let v = tabBar.items {
 			for item in v {
 				if .phone == Device.userInterfaceIdiom {

--- a/Sources/iOS/Capture/CaptureController.swift
+++ b/Sources/iOS/Capture/CaptureController.swift
@@ -71,7 +71,7 @@ open class CaptureController: ToolbarController {
     */
    open override func prepare() {
        super.prepare()
-        toolbarDisplay = .full
+        displayStyle = .full
        view.backgroundColor = .black
        prepareStatusBar()

--- a/Sources/iOS/CollectionViewCard.swift
+++ b/Sources/iOS/CollectionViewCard.swift
@@ -53,19 +53,7 @@ open class CollectionViewCard: Card {
    @IBInspectable
    open let collectionView = CollectionView()
-    open override func layoutSubviews() {
+    /// Reloads the view.
-        super.layoutSubviews()
-        reload()
-    }
-    open override func prepare() {
-        super.prepare()
-        pulseAnimation = .none
-        prepareCollectionView()
-        prepareContentView()
-    }
    open override func reload() {
        if 0 == collectionView.height {
            var h: CGFloat = 0
@@ -79,7 +67,22 @@ open class CollectionViewCard: Card {
        collectionView.reloadData()
-        super.reload()
+        super.layoutSubviews()
+    }
+    /**
+     Prepares the view instance when intialized. When subclassing,
+     it is recommended to override the prepare method
+     to initialize property values and other setup operations.
+     The super.prepare method should always be called immediately
+     when subclassing.
+     */
+    open override func prepare() {
+        super.prepare()
+        pulseAnimation = .none
+        prepareCollectionView()
+        prepareContentView()
    }
 }

--- a/Sources/iOS/Display.swift
+++ b/Sources/iOS/Display.swift
@@ -30,8 +30,8 @@
 import UIKit
-@objc(Display)
+@objc(DisplayStyle)
-public enum Display: Int {
+public enum DisplayStyle: Int {
    case partial
    case full
 }
--- a/Sources/iOS/ImageCard.swift
+++ b/Sources/iOS/ImageCard.swift
@@ -42,7 +42,7 @@ open class ImageCard: Card {
     display the imageView to the full view
     bounds.
     */
-    open var imageViewDisplay = Display.partial {
+    open var displayStyle = DisplayStyle.partial {
        didSet {
            layoutSubviews()
        }
@@ -82,6 +82,7 @@ open class ImageCard: Card {
        }
    }
+    /// Reloads the view.
    open override func reload() {
        var h: CGFloat = 0

--- a/Sources/iOS/Material+Motion.swift
+++ b/Sources/iOS/Material+Motion.swift
@@ -95,7 +95,8 @@ fileprivate struct MotionInstance {
 }
 fileprivate struct MotionInstanceController {
-    fileprivate var isEnabled: Bool
+    fileprivate var isMotionEnabled: Bool
+    fileprivate var isInteractiveMotionEnabled: Bool
    fileprivate weak var delegate: MotionDelegate?
 }
@@ -104,7 +105,7 @@ extension UIViewController: MotionDelegate, UIViewControllerTransitioningDelegat
    fileprivate var motionInstanceController: MotionInstanceController {
        get {
            return AssociatedObject(base: self, key: &MotionInstanceControllerKey) {
-                return MotionInstanceController(isEnabled: false, delegate: nil)
+                return MotionInstanceController(isMotionEnabled: false, isInteractiveMotionEnabled: false, delegate: nil)
            }
        }
        set(value) {
@@ -115,18 +116,29 @@ extension UIViewController: MotionDelegate, UIViewControllerTransitioningDelegat
    /// A boolean that indicates whether motion is enabled.
    open var isMotionEnabled: Bool {
        get {
-            return motionInstanceController.isEnabled
+            return motionInstanceController.isMotionEnabled
        }
        set(value) {
            if value {
-                modalPresentationStyle = .custom
+                prepareMotionDelegation()
-                transitioningDelegate = self
-                motionDelegate = self
-                (self as? UINavigationController)?.delegate = self
-                (self as? UITabBarController)?.delegate = self
            }
-            motionInstanceController.isEnabled = value
+            motionInstanceController.isMotionEnabled = value
+        }
+    }
+    /// A boolean that indicates whether interactive motion is enabled.
+    open var isInteractiveMotionEnabled: Bool {
+        get {
+            return motionInstanceController.isInteractiveMotionEnabled
+        }
+        set(value) {
+            if value {
+                prepareMotionDelegation()
+                motionInstanceController.isMotionEnabled = true
+            }
+            motionInstanceController.isInteractiveMotionEnabled = value
        }
    }
@@ -139,28 +151,16 @@ extension UIViewController: MotionDelegate, UIViewControllerTransitioningDelegat
            motionInstanceController.delegate = value
        }
    }
+}
-    /**
-     Determines whether to use a Motion instance for transitions.
+extension UIViewController {
-     - Parameter _ navigationController: A UINavigationController.
+    /// Prepares the motionDelegate.
-     - Parameter animationControllerFor operation: A UINavigationControllerOperation.
+    fileprivate func prepareMotionDelegation() {
-     - Parameter from fromVC: A UIViewController that is being transitioned from.
+        modalPresentationStyle = .custom
-     - Parameter to toVC: A UIViewController that is being transitioned to.
+        transitioningDelegate = self
-     - Returns: An optional UIViewControllerAnimatedTransitioning.
+        motionDelegate = self
-     */
+        (self as? UINavigationController)?.delegate = self
-    open func navigationController(_ navigationController: UINavigationController, animationControllerFor operation: UINavigationControllerOperation, from fromVC: UIViewController, to toVC: UIViewController) -> UIViewControllerAnimatedTransitioning? {
+        (self as? UITabBarController)?.delegate = self
-        return fromVC.isMotionEnabled ? Motion(isPresenting: operation == .push, isContainer: true) : nil
-    }
-    /**
-     Determines whether to use a Motion instance for transitions.
-     - Parameter _ tabBarController: A UITabBarController.
-     - Parameter animationControllerForTransitionFrom fromVC: A UIViewController that is being transitioned from.
-     - Parameter to toVC: A UIViewController that is being transitioned to.
-     - Returns: An optional UIViewControllerAnimatedTransitioning.
-     */
-    open func tabBarController(_ tabBarController: UITabBarController, animationControllerForTransitionFrom fromVC: UIViewController, to toVC: UIViewController) -> UIViewControllerAnimatedTransitioning? {
-        return fromVC.isMotionEnabled ? Motion(isPresenting: true, isContainer: true) : nil
    }
 }
@@ -173,7 +173,8 @@ extension UIViewController {
     - Returns: An optional UIViewControllerAnimatedTransitioning.
     */
    open func animationController(forPresented presented: UIViewController, presenting: UIViewController, source: UIViewController) -> UIViewControllerAnimatedTransitioning? {
-        return isMotionEnabled ? PresentingMotion(isPresenting: true, isContainer: false) : nil
+        print("animationController(forPresented")
+        return isMotionEnabled ? PresentingMotion(isPresenting: true) : nil
    }
    /**
@@ -182,7 +183,8 @@ extension UIViewController {
     - Returns: An optional UIViewControllerAnimatedTransitioning.
     */
    open func animationController(forDismissed dismissed: UIViewController) -> UIViewControllerAnimatedTransitioning? {
-        return isMotionEnabled ? DismissingMotion(isPresenting: true, isContainer: false) : nil
+        print("animationController(forDismissed")
+        return isMotionEnabled ? DismissingMotion(isPresenting: true) : nil
    }
    /**
@@ -193,8 +195,46 @@ extension UIViewController {
     - Returns: An optional UIPresentationController.
     */
    open func presentationController(forPresented presented: UIViewController, presenting: UIViewController?, source: UIViewController) -> UIPresentationController? {
+        print("presentationController:forPresented")
        return isMotionEnabled ? MotionPresentationController(presentedViewController: presented, presenting: presenting) : nil
    }
+    open func interactionControllerForPresentation(using animator: UIViewControllerAnimatedTransitioning) -> UIViewControllerInteractiveTransitioning? {
+        print("interactionControllerForPresentation")
+        return isInteractiveMotionEnabled ? InteractivePresentingMotion(animator: animator) : nil
+    }
+    open func interactionControllerForDismissal(using animator: UIViewControllerAnimatedTransitioning) -> UIViewControllerInteractiveTransitioning? {
+        print("interactionControllerForDismissal")
+        return isInteractiveMotionEnabled ? InteractiveDismissingMotion(animator: animator) : nil
+    }
+}
+extension UIViewController {
+    /**
+     Determines whether to use a Motion instance for transitions.
+     - Parameter _ navigationController: A UINavigationController.
+     - Parameter animationControllerFor operation: A UINavigationControllerOperation.
+     - Parameter from fromVC: A UIViewController that is being transitioned from.
+     - Parameter to toVC: A UIViewController that is being transitioned to.
+     - Returns: An optional UIViewControllerAnimatedTransitioning.
+     */
+    open func navigationController(_ navigationController: UINavigationController, animationControllerFor operation: UINavigationControllerOperation, from fromVC: UIViewController, to toVC: UIViewController) -> UIViewControllerAnimatedTransitioning? {
+        print("navigationController(_ navigationController")
+        return fromVC.isMotionEnabled ? Motion(isPresenting: operation == .push) : nil
+    }
+    /**
+     Determines whether to use a Motion instance for transitions.
+     - Parameter _ tabBarController: A UITabBarController.
+     - Parameter animationControllerForTransitionFrom fromVC: A UIViewController that is being transitioned from.
+     - Parameter to toVC: A UIViewController that is being transitioned to.
+     - Returns: An optional UIViewControllerAnimatedTransitioning.
+     */
+    open func tabBarController(_ tabBarController: UITabBarController, animationControllerForTransitionFrom fromVC: UIViewController, to toVC: UIViewController) -> UIViewControllerAnimatedTransitioning? {
+        print("tabBarController(_ tabBarController")
+        return fromVC.isMotionEnabled ? Motion(isPresenting: true) : nil
+    }
 }
 extension UIView {
@@ -348,9 +388,6 @@ open class MotionAnimator: NSObject {
    /// A boolean indicating whether Motion is presenting a view controller.
    open fileprivate(set) var isPresenting: Bool
-    /// A boolean indicating whether the view controller is a container.
-    open fileprivate(set) var isContainer: Bool
    /**
     An Array of UIView pairs with common motionIdentifiers in
     the from and to view controllers.
@@ -374,19 +411,19 @@ open class MotionAnimator: NSObject {
    }
    /// The transition context for the current transition.
-    open var transitionContext: UIViewControllerContextTransitioning!
+    open fileprivate(set) var transitionContext: UIViewControllerContextTransitioning!
    /// The transition delay time.
-    open var delay: TimeInterval = 0
+    open fileprivate(set) var delay: TimeInterval = 0
    /// The transition duration time.
-    open var duration: TimeInterval = 0.35
+    open fileprivate(set) var duration: TimeInterval = 0.35
    /// The transition container view.
-    open var containerView: UIView!
+    open fileprivate(set) var containerView: UIView!
    /// The view that is used to animate the transitions between view controllers.
-    open var transitionView = UIView()
+    open fileprivate(set) var transitionView = UIView()
    /// The view that is being transitioned to.
    open var toView: UIView {
@@ -411,7 +448,6 @@ open class MotionAnimator: NSObject {
    /// The default initializer.
    public override init() {
        isPresenting = false
-        isContainer = false
        super.init()
    }
@@ -419,12 +455,9 @@ open class MotionAnimator: NSObject {
     An initializer to modify the presenting and container state.
     - Parameter isPresenting: A boolean value indicating if the
     Motion instance is presenting the view controller.
-     - Parameter isContainer: A boolean value indicating if the
-     Motion instance is a container view controller.
     */
-    public init(isPresenting: Bool, isContainer: Bool) {
+    public init(isPresenting: Bool) {
        self.isPresenting = isPresenting
-        self.isContainer = isContainer
        super.init()
    }
@@ -835,5 +868,101 @@ open class DismissingMotion: Motion {
        toView.setNeedsLayout()
        toView.layoutIfNeeded()
    }
+}
+open class InteractiveMotion: UIPercentDrivenInteractiveTransition {
+    /// A reference to the view controller that is being transitioned to.
+    open var toViewController: UIViewController {
+        return transitionContext.viewController(forKey: .to)!
+    }
+    /// A reference to the view controller that is being transitioned from.
+    open var fromViewController: UIViewController {
+        return transitionContext.viewController(forKey: .from)!
+    }
+    /// The transition context for the current transition.
+    open fileprivate(set) var transitionContext: UIViewControllerContextTransitioning!
+    /// A reference to the panGesture for transitions.
+    open fileprivate(set) var panGesture: UIPanGestureRecognizer!
+    /// The transition container view.
+    open fileprivate(set) var containerView: UIView!
+    open fileprivate(set) var animator: UIViewControllerAnimatedTransitioning!
+    /**
+     An initializer that accepts an animator object.
+     - Parameter animator: UIViewControllerAnimatedTransitioning.
+     */
+    public init(animator: UIViewControllerAnimatedTransitioning) {
+        super.init()
+        self.animator = animator
+    }
+    open override func startInteractiveTransition(_ transitionContext: UIViewControllerContextTransitioning) {
+        super.startInteractiveTransition(transitionContext)
+        self.transitionContext = transitionContext
+        preparePanGesture()
+        prepareContainerView()
+    }
+    //
+    //
+    //    optional public var completionSpeed: CGFloat { get }
+    //
+    //    optional public var completionCurve: UIViewAnimationCurve { get }
+    //
+    //
+    //    /// In 10.0, if an object conforming to UIViewControllerAnimatedTransitioning is
+    //    /// known to be interruptible, it is possible to start it as if it was not
+    //    /// interactive and then interrupt the transition and interact with it. In this
+    //    /// case, implement this method and return NO. If an interactor does not
+    //    /// implement this method, YES is assumed.
+    //    @available(iOS 10.0, *)
+    //    optional public var wantsInteractiveStart: Bool { get }
+}
+extension InteractiveMotion {
+    fileprivate func preparePanGesture() {
+        panGesture = UIPanGestureRecognizer(target: self, action: #selector(handlePanUpdate(gestureRecognizer:)))
+        panGesture.maximumNumberOfTouches = 1
+    }
+    /// Prepares the containerView.
+    fileprivate func prepareContainerView() {
+        containerView = transitionContext.containerView
+        containerView.addGestureRecognizer(panGesture)
+    }
+}
+extension InteractiveMotion {
+    @objc
+    fileprivate func handlePanUpdate(gestureRecognizer: UIGestureRecognizer) {
+        switch gestureRecognizer.state {
+        case .began:
+            panGesture.setTranslation(.zero, in: containerView)
+            print("began")
+        case .changed:
+            let translation = panGesture.translation(in: containerView)
+            let percentage = fabs(translation.y / containerView.bounds.height)
+            update(percentage)
+            print("changed", percentage)
+        case .ended:
+            finish()
+            containerView.removeGestureRecognizer(panGesture)
+            print("ended")
+        default:break
+        }
+    }
+}
+open class InteractivePresentingMotion: InteractiveMotion {
+}
+open class InteractiveDismissingMotion: InteractiveMotion {
 }
--- a/Sources/iOS/PageMenuController.swift
+++ b/Sources/iOS/PageMenuController.swift
+/*
+ * Copyright (C) 2015 - 2017, Daniel Dahan and CosmicMind, Inc. <http://cosmicmind.com>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *	*	Redistributions of source code must retain the above copyright notice, this
+ *		list of conditions and the following disclaimer.
+ *
+ *	*	Redistributions in binary form must reproduce the above copyright notice,
+ *		this list of conditions and the following disclaimer in the documentation
+ *		and/or other materials provided with the distribution.
+ *
+ *	*	Neither the name of CosmicMind nor the names of its
+ *		contributors may be used to endorse or promote products derived from
+ *		this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+import UIKit
+/// A memory reference to the PageMenuBarItem instance for UIViewController extensions.
+fileprivate var PageMenuBarItemKey: UInt8 = 0
+open class PageMenuBarItem: FlatButton {
+    open override func prepare() {
+        super.prepare()
+        pulseAnimation = .none
+    }
+}
+@objc(TabBarAlignment)
+public enum TabBarAlignment: Int {
+    case top
+    case bottom
+    case hidden
+}
+extension UIViewController {
+    /// pageMenuBarItem reference.
+    public private(set) var pageMenuBarItem: PageMenuBarItem {
+        get {
+            return AssociatedObject(base: self, key: &PageMenuBarItemKey) {
+                return PageMenuBarItem()
+            }
+        }
+        set(value) {
+            AssociateObject(base: self, key: &PageMenuBarItemKey, value: value)
+        }
+    }
+}
+extension UIViewController {
+    /**
+     A convenience property that provides access to the PageMenuController.
+     This is the recommended method of accessing the PageMenuController
+     through child UIViewControllers.
+     */
+    public var pageMenuController: PageMenuController? {
+        var viewController: UIViewController? = self
+        while nil != viewController {
+            if viewController is PageMenuController {
+                return viewController as? PageMenuController
+            }
+            viewController = viewController?.parent
+        }
+        return nil
+    }
+}
+open class PageMenuController: UIViewController {
+    /// A reference to the currently selected view controller index value.
+    @IBInspectable
+    open var selectedIndex = 0
+    /// Enables and disables bouncing when swiping.
+    open var isBounceEnabled: Bool {
+        get {
+            return scrollView.bounces
+        }
+        set(value) {
+            scrollView.bounces = value
+        }
+    }
+    /// The TabBar used to switch between view controllers.
+    @IBInspectable
+    open fileprivate(set) var tabBar: TabBar?
+    /// The UIScrollView used to pan the application pages.
+    @IBInspectable
+    open let scrollView = UIScrollView()
+    /// An Array of UIViewControllers.
+    open var viewControllers: [UIViewController] {
+        didSet {
+            oldValue.forEach { [weak self] in
+                self?.removeViewController(viewController: $0)
+            }
+            prepareViewControllers()
+            layoutSubviews()
+        }
+    }
+    open var tabBarAlignment = TabBarAlignment.bottom {
+        didSet {
+            layoutSubviews()
+        }
+    }
+    /**
+     An initializer that initializes the object with a NSCoder object.
+     - Parameter aDecoder: A NSCoder instance.
+     */
+    public required init?(coder aDecoder: NSCoder) {
+        viewControllers = []
+        super.init(coder: aDecoder)
+    }
+    /// Previous scroll view content offset.
+    fileprivate var previousContentOffset: CGFloat = 0
+    /// The number of views used in the scrollViewPool.
+    fileprivate let viewPoolCount = 3
+    /**
+     An initializer that accepts an Array of UIViewControllers.
+     - Parameter viewControllers: An Array of UIViewControllers.
+     */
+    public init(viewControllers: [UIViewController], selectedIndex: Int = 0) {
+        self.viewControllers = viewControllers
+        self.selectedIndex = selectedIndex
+        super.init(nibName: nil, bundle: nil)
+    }
+    open override func viewDidLoad() {
+        super.viewDidLoad()
+        prepare()
+    }
+    open override func viewWillLayoutSubviews() {
+        super.viewWillLayoutSubviews()
+        layoutSubviews()
+    }
+    /**
+     To execute in the order of the layout chain, override this
+     method. `layoutSubviews` should be called immediately, unless you
+     have a certain need.
+     */
+    open func layoutSubviews() {
+        layoutScrollView()
+        layoutViewControllers()
+        let p = (tabBar?.intrinsicContentSize.height ?? 0) + (tabBar?.layoutEdgeInsets.top ?? 0) + (tabBar?.layoutEdgeInsets.bottom ?? 0)
+        let y = view.height - p
+        tabBar?.height = p
+        tabBar?.width = view.width + (tabBar?.layoutEdgeInsets.left ?? 0) + (tabBar?.layoutEdgeInsets.right ?? 0)
+        switch tabBarAlignment {
+        case .top:
+            tabBar?.isHidden = false
+            tabBar?.y = 0
+            scrollView.y = p
+            scrollView.height = y
+        case .bottom:
+            tabBar?.isHidden = false
+            tabBar?.y = y
+            scrollView.y = 0
+            scrollView.height = y
+        case .hidden:
+            tabBar?.isHidden = true
+            scrollView.y = 0
+            scrollView.height = view.height
+        }
+    }
+    /**
+     Prepares the view instance when intialized. When subclassing,
+     it is recommended to override the prepare method
+     to initialize property values and other setup operations.
+     The super.prepare method should always be called immediately
+     when subclassing.
+     */
+    open func prepare() {
+        view.contentScaleFactor = Screen.scale
+        prepareScrollView()
+        prepareViewControllers()
+    }
+}
+extension PageMenuController {
+    /// Prepares the scrollView used to pan through view controllers.
+    fileprivate func prepareScrollView() {
+        scrollView.delegate = self
+        scrollView.bounces = false
+        scrollView.isPagingEnabled = true
+        scrollView.showsVerticalScrollIndicator = false
+        scrollView.showsHorizontalScrollIndicator = false
+        scrollView.contentScaleFactor = Screen.scale
+        view.addSubview(scrollView)
+    }
+    /// Prepares the view controllers.
+    fileprivate func prepareViewControllers() {
+        let n = viewControllers.count
+        guard 1 < n else {
+            if 1 == n {
+                prepareViewController(at: 0)
+            }
+            return
+        }
+        let m = viewPoolCount < n ? viewPoolCount : n
+        if 0 == selectedIndex {
+            for i in 0..<m {
+                prepareViewController(at: i)
+            }
+        } else if n - 1 == selectedIndex {
+            for i in 0..<m {
+                prepareViewController(at: selectedIndex - i)
+            }
+        } else {
+            prepareViewController(at: selectedIndex)
+            prepareViewController(at: selectedIndex - 1)
+            prepareViewController(at: selectedIndex + 1)
+        }
+        prepareTabBar()
+    }
+    /**
+     Prepares the tabBar buttons.
+     - Parameter _ buttons: An Array of UIButtons.
+     */
+    fileprivate func prepareTabBarButtons(_ buttons: [UIButton]) {
+        guard let tb = tabBar else {
+            return
+        }
+        tb.buttons = buttons
+        for v in tb.buttons {
+            v.removeTarget(self, action: #selector(tb.handleButton(button:)), for: .touchUpInside)
+            v.removeTarget(self, action: #selector(handleTabBarButton(button:)), for: .touchUpInside)
+            v.addTarget(self, action: #selector(handleTabBarButton(button:)), for: .touchUpInside)
+        }
+    }
+    fileprivate func prepareTabBar() {
+        guard 0 < viewControllers.count else {
+            tabBar = nil
+            return
+        }
+        var buttons = [UIButton]()
+        for v in viewControllers {
+            let button = v.pageMenuBarItem as UIButton
+            buttons.append(button)
+        }
+        guard 0 < buttons.count else {
+            tabBar = nil
+            return
+        }
+        guard nil == tabBar else {
+            prepareTabBarButtons(buttons)
+            return
+        }
+        tabBar = TabBar()
+        tabBar?.isLineAnimated = false
+        tabBar?.lineAlignment = .top
+        view.addSubview(tabBar!)
+        prepareTabBarButtons(buttons)
+    }
+    /**
+     Loads a view controller based on its index in the viewControllers Array
+     and adds it as a child view controller.
+     - Parameter at index: An Int for the viewControllers index.
+     */
+    fileprivate func prepareViewController(at index: Int) {
+        let vc = viewControllers[index]
+        guard !childViewControllers.contains(vc) else {
+            return
+        }
+        addChildViewController(vc)
+        vc.didMove(toParentViewController: self)
+        vc.view.clipsToBounds = true
+        vc.view.contentScaleFactor = Screen.scale
+        scrollView.addSubview(vc.view)
+    }
+}
+extension PageMenuController {
+    fileprivate func layoutScrollView() {
+        scrollView.frame = view.bounds
+        scrollView.contentSize = CGSize(width: scrollView.width * CGFloat(viewControllers.count), height: scrollView.height)
+        scrollView.contentOffset = CGPoint(x: scrollView.width * CGFloat(selectedIndex), y: 0)
+    }
+    fileprivate func layoutViewControllers() {
+        let n = viewControllers.count
+        scrollView.contentSize = CGSize(width: scrollView.width * CGFloat(n), height: scrollView.height)
+        guard 1 < n else {
+            layoutViewController(at: 0, position: 0)
+            return
+        }
+        let m = viewPoolCount < n ? viewPoolCount : n
+        if 0 == selectedIndex {
+            for i in 0..<m {
+                layoutViewController(at: i, position: i)
+            }
+        } else if n - 1 == selectedIndex {
+            var q = 0
+            for i in 0..<m {
+                q = selectedIndex - i
+                layoutViewController(at: q, position: q)
+            }
+        } else {
+            layoutViewController(at: selectedIndex, position: selectedIndex)
+            layoutViewController(at: selectedIndex - 1, position: selectedIndex - 1)
+            layoutViewController(at: selectedIndex + 1, position: selectedIndex + 1)
+        }
+    }
+    /**
+     Positions a view controller within the scrollView.
+     - Parameter position: An Int for the position of the view controller.
+     */
+    fileprivate func layoutViewController(at index: Int, position: Int) {
+        viewControllers[index].view.frame = CGRect(x: CGFloat(position) * scrollView.width, y: 0, width: scrollView.width, height: scrollView.height)
+    }
+}
+extension PageMenuController {
+    /// Removes the view controllers not within the scrollView.
+    fileprivate func removeViewControllers() {
+        let n = viewControllers.count
+        guard 1 < n else {
+            return
+        }
+        if 0 == selectedIndex {
+            for i in 1..<n {
+                removeViewController(at: i)
+            }
+        } else if n - 1 == selectedIndex {
+            for i in 0..<n - 2 {
+                removeViewController(at: i)
+            }
+        } else {
+            for i in 0..<selectedIndex {
+                removeViewController(at: i)
+            }
+            let x = selectedIndex + 1
+            if x < n {
+                for i in x..<n {
+                    removeViewController(at: i)
+                }
+            }
+        }
+    }
+    /**
+     Removes the view controller as a child view controller with
+     the given index.
+     - Parameter at index: An Int for the view controller position.
+     */
+    fileprivate func removeViewController(at index: Int) {
+        let vc = viewControllers[index]
+        guard childViewControllers.contains(vc) else {
+            return
+        }
+        removeViewController(viewController: vc)
+    }
+    /**
+     Removes a given view controller from the childViewControllers array.
+     - Parameter at index: An Int for the view controller position.
+     */
+    fileprivate func removeViewController(viewController: UIViewController) {
+        viewController.willMove(toParentViewController: nil)
+        viewController.view.removeFromSuperview()
+        viewController.removeFromParentViewController()
+    }
+}
+extension PageMenuController {
+    /**
+     Handles the pageTabBarButton.
+     - Parameter button: A UIButton.
+     */
+    @objc
+    fileprivate func handleTabBarButton(button: UIButton) {
+        guard let tb = tabBar else {
+            return
+        }
+        guard let i = tb.buttons.index(of: button) else {
+            return
+        }
+        guard i != selectedIndex else {
+            return
+        }
+        selectedIndex = i
+        removeViewControllers()
+        prepareViewControllers()
+        layoutViewControllers()
+    }
+}
+extension PageMenuController: UIScrollViewDelegate {
+    @objc
+    open func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) {
+        let w = scrollView.width
+        let p = Int(floor((scrollView.contentOffset.x - w / 2) / w) + 1)
+        selectedIndex = p
+        removeViewControllers()
+        prepareViewControllers()
+        layoutViewControllers()
+    }
+}
--- a/Sources/iOS/PageTabBarController.swift
+++ b/Sources/iOS/PageTabBarController.swift
@@ -97,7 +97,6 @@ public protocol PageTabBarControllerDelegate {
    optional func pageTabBarController(pageTabBarController: PageTabBarController, didTransitionTo viewController: UIViewController)
 }
-@objc(PageTabBarController)
 open class PageTabBarController: RootController {
    /// Reference to the PageTabBar.
    @IBInspectable

--- a/Sources/iOS/SearchBarController.swift
+++ b/Sources/iOS/SearchBarController.swift
@@ -49,17 +49,6 @@ extension UIViewController {
 }
 open class SearchBarController: StatusBarController {
-    /**
-     A Display value to indicate whether or not to
-     display the rootViewController to the full view
-     bounds, or up to the searchBar height.
-     */
-    open var searchBarDisplay = Display.partial {
-        didSet {
-            layoutSubviews()
-        }
-    }
    /// Reference to the SearchBar.
    @IBInspectable
    open let searchBar = SearchBar()
@@ -72,7 +61,7 @@ open class SearchBarController: StatusBarController {
        searchBar.y = y
        searchBar.width = view.width
-        switch searchBarDisplay {
+        switch displayStyle {
        case .partial:
            let h = y + searchBar.height
            rootViewController.view.y = h
@@ -91,6 +80,7 @@ open class SearchBarController: StatusBarController {
     */
 	open override func prepare() {
 		super.prepare()
+        displayStyle = .partial
        prepareStatusBar()
 		prepareSearchBar()
 	}

--- a/Sources/iOS/Snackbar.swift
+++ b/Sources/iOS/Snackbar.swift
@@ -70,9 +70,11 @@ open class Snackbar: Bar {
        return super.hitTest(point, with: event)
    }
-    /// Reloads the view.
+    open override func layoutSubviews() {
-    open override func reload() {
+        super.layoutSubviews()
-        super.reload()
+        guard willLayout else {
+            return
+        }
        centerViews = [textLabel]
    }

--- a/Sources/iOS/StatusBarController.swift
+++ b/Sources/iOS/StatusBarController.swift
@@ -54,7 +54,7 @@ open class StatusBarController: RootController {
     display the rootViewController to the full view
     bounds, or up to the toolbar height.
     */
-    open var statusBarDisplay = Display.full {
+    open var displayStyle = DisplayStyle.full {
        didSet {
            layoutSubviews()
        }
@@ -100,7 +100,7 @@ open class StatusBarController: RootController {
        statusBar.width = view.width
-        switch statusBarDisplay {
+        switch displayStyle {
        case .partial:
            let h = statusBar.height
            rootViewController.view.y = h

--- a/Sources/iOS/TabBar.swift
+++ b/Sources/iOS/TabBar.swift
@@ -57,10 +57,33 @@ public protocol TabBarDelegate {
    optional func tabBar(tabBar: TabBar, didSelect button: UIButton)
 }
+@objc(TabBarStyle)
+public enum TabBarStyle: Int {
+    case normal
+    case scrollable
+}
 open class TabBar: Bar {
    /// A boolean indicating if the TabBar line is in an animation state.
    open internal(set) var isAnimating = false
+    /// Enables and disables bouncing when swiping.
+    open var isBounceEnabled: Bool {
+        get {
+            return contentView.bounces
+        }
+        set(value) {
+            contentView.bounces = value
+        }
+    }
+    /// An enum that determines the tab bar style.
+    open var tabBarStyle = TabBarStyle.scrollable {
+        didSet {
+            layoutSubviews()
+        }
+    }
    /// A delegation reference.
    open weak var delegate: TabBarDelegate?
@@ -116,8 +139,6 @@ open class TabBar: Bar {
                b.removeFromSuperview()
            }
-            centerViews = buttons as [UIView]
 			layoutSubviews()
 		}
 	}
@@ -186,9 +207,26 @@ open class TabBar: Bar {
            }
        }
-        contentView.grid.axis.columns = buttons.count
+        if .scrollable == tabBarStyle {
-        contentView.grid.reload()
+            var w: CGFloat = 0
+            for b in buttons {
+                let width = b.sizeThatFits(CGSize(width: CGFloat.greatestFiniteMagnitude, height: contentView.height)).width + interimSpace
+                contentView.addSubview(b)
+                b.height = contentView.height
+                b.width = width
+                b.x = w
+                w += width
+            }
+            print(w, contentView.width)
+            if w > contentView.width {
+                contentView.contentSize.width = w
+            }
+        } else {
+            contentView.grid.axis.columns = buttons.count
+            centerViews = buttons
+        }
        if nil == selected {
            selected = buttons.first
        }
@@ -205,8 +243,9 @@ open class TabBar: Bar {
     */
    open override func prepare() {
        super.prepare()
+        isBounceEnabled = true
        contentEdgeInsetsPreset = .none
-        interimSpacePreset = .none
+        interimSpacePreset = .interimSpace5
        prepareLine()
        prepareDivider()
    }

--- a/Sources/iOS/TabMenuController.swift
+++ b/Sources/iOS/TabMenuController.swift
-/*
- * Copyright (C) 2015 - 2017, Daniel Dahan and CosmicMind, Inc. <http://cosmicmind.com>.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *	*	Redistributions of source code must retain the above copyright notice, this
- *		list of conditions and the following disclaimer.
- *
- *	*	Redistributions in binary form must reproduce the above copyright notice,
- *		this list of conditions and the following disclaimer in the documentation
- *		and/or other materials provided with the distribution.
- *
- *	*	Neither the name of CosmicMind nor the names of its
- *		contributors may be used to endorse or promote products derived from
- *		this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-import UIKit
-/// A memory reference to the TabMenuBarItem instance for UIViewController extensions.
-fileprivate var TabMenuBarItemKey: UInt8 = 0
-open class TabMenuBarItem: FlatButton {
-    open override func prepare() {
-        super.prepare()
-        pulseAnimation = .none
-    }
-}
-@objc(TabMenuAlignment)
-public enum TabMenuAlignment: Int {
-    case top
-    case bottom
-}
-open class TabMenu: UIView {
-    @IBInspectable
-    open var tabBar = TabBar() {
-        didSet {
-            layoutSubviews()
-        }
-    }
-    open var viewControllers: [UIViewController]
-    open var selectedIndex: Int
-    public required init?(coder aDecoder: NSCoder) {
-        viewControllers = []
-        selectedIndex = 0
-        fatalError("init(coder:) has not been implemented")
-    }
-    public init(viewControllers: [UIViewController], selectedIndex: Int = 0) {
-        self.viewControllers = viewControllers
-        self.selectedIndex = selectedIndex
-        super.init(frame: .zero)
-    }
-    open override func layoutSubviews() {
-        super.layoutSubviews()
-    }
-    /**
-     Prepares the view instance when intialized. When subclassing,
-     it is recommended to override the prepare method
-     to initialize property values and other setup operations.
-     The super.prepare method should always be called immediately
-     when subclassing.
-     */
-    open func prepare() {
-        prepareTabBar()
-    }
-}
-extension TabMenu {
-    fileprivate func prepareTabBar() {
-        tabBar.isLineAnimated = false
-        tabBar.lineAlignment = .top
-    }
-}
-extension UIViewController {
-    /// tabMenuBarItem reference.
-    public private(set) var tabMenuBarItem: TabMenuBarItem {
-        get {
-            return AssociatedObject(base: self, key: &TabMenuBarItemKey) {
-                return TabMenuBarItem()
-            }
-        }
-        set(value) {
-            AssociateObject(base: self, key: &TabMenuBarItemKey, value: value)
-        }
-    }
-}
-extension UIViewController {
-    /**
-     A convenience property that provides access to the TabMenuController.
-     This is the recommended method of accessing the TabMenuController
-     through child UIViewControllers.
-     */
-    public var tabMenuBarController: TabMenuController? {
-        var viewController: UIViewController? = self
-        while nil != viewController {
-            if viewController is TabMenuController {
-                return viewController as? TabMenuController
-            }
-            viewController = viewController?.parent
-        }
-        return nil
-    }
-}
-open class TabMenuController: UIViewController {
-    /// A reference to the TabMenu instance.
-    @IBInspectable
-    open let tabMenu: TabMenu
-    /**
-     An initializer that initializes the object with a NSCoder object.
-     - Parameter aDecoder: A NSCoder instance.
-     */
-    public required init?(coder aDecoder: NSCoder) {
-        tabMenu = TabMenu(viewControllers: [])
-        super.init(coder: aDecoder)
-    }
-    /**
-     An initializer that accepts an Array of UIViewControllers.
-     - Parameter viewControllers: An Array of UIViewControllers.
-     */
-    public init(viewControllers: [UIViewController], selectedIndex: Int = 0) {
-        tabMenu = TabMenu(viewControllers: viewControllers, selectedIndex: selectedIndex)
-        super.init(nibName: nil, bundle: nil)
-    }
-    open override func viewDidLoad() {
-        super.viewDidLoad()
-        prepare()
-    }
-    /**
-     Prepares the view instance when intialized. When subclassing,
-     it is recommended to override the prepare method
-     to initialize property values and other setup operations.
-     The super.prepare method should always be called immediately
-     when subclassing.
-     */
-    open func prepare() {
-    }
-}
--- a/Sources/iOS/TextField.swift
+++ b/Sources/iOS/TextField.swift
@@ -389,12 +389,16 @@ open class TextField: UITextField {
    open override func layoutSubviews() {
        super.layoutSubviews()
        layoutShape()
-        reload()
+        layoutPlaceholderLabel()
+        layoutDetailLabel()
+        layoutButton(button: clearIconButton)
+        layoutButton(button: visibilityIconButton)
+        layoutDivider()
+        layoutLeftView()
    }
    open override func becomeFirstResponder() -> Bool {
-        setNeedsLayout()
+        layoutSubviews()
-        layoutIfNeeded()
        return super.becomeFirstResponder()
    }
@@ -402,7 +406,10 @@ open class TextField: UITextField {
    open var textInset: CGFloat = 0
    open override func textRect(forBounds bounds: CGRect) -> CGRect {
-        return bounds.insetBy(dx: textInset, dy: 0)
+        var b = super.textRect(forBounds: bounds)
+        b.origin.x += textInset
+        b.size.width -= textInset
+        return b
    }
    open override func editingRect(forBounds bounds: CGRect) -> CGRect {
@@ -430,16 +437,6 @@ open class TextField: UITextField {
        prepareTargetHandlers()
        prepareTextAlignment()
    }
-    /// Ensures that the components are sized correctly.
-    open func reload() {
-        layoutPlaceholderLabel()
-        layoutDetailLabel()
-        layoutButton(button: clearIconButton)
-        layoutButton(button: visibilityIconButton)
-        layoutDivider()
-        layoutLeftView()
-    }
 }
 extension TextField {

--- a/Sources/iOS/TextView.swift
+++ b/Sources/iOS/TextView.swift
@@ -87,7 +87,6 @@ public protocol TextViewDelegate : UITextViewDelegate {
    optional func textView(textView: TextView, didProcessEditing textStorage: TextStorage, text: String, range: NSRange)
 }
-@objc(TextView)
 open class TextView: UITextView {
    /// A boolean indicating whether the text is empty.
    open var isEmpty: Bool {

--- a/Sources/iOS/Toolbar.swift
+++ b/Sources/iOS/Toolbar.swift
@@ -95,9 +95,11 @@ open class Toolbar: Bar {
        contentViewAlignment = .center == titleLabel.textAlignment ? .center : .full
    }
-    /// Reloads the view.
+    open override func layoutSubviews() {
-    open override func reload() {
+        super.layoutSubviews()
-        super.reload()
+        guard willLayout else {
+            return
+        }
        if nil != title && "" != title {
            if nil == titleLabel.superview {

--- a/Sources/iOS/ToolbarController.swift
+++ b/Sources/iOS/ToolbarController.swift
@@ -69,17 +69,6 @@ public protocol ToolbarControllerDelegate {
 @objc(ToolbarController)
 open class ToolbarController: StatusBarController {
-    /**
-     A Display value to indicate whether or not to
-     display the rootViewController to the full view
-     bounds, or up to the toolbar height.
-     */
-    open var toolbarDisplay = Display.partial {
-        didSet {
-            layoutSubviews()
-        }
-    }
    /// Reference to the Toolbar.
    @IBInspectable
    open let toolbar = Toolbar()
@@ -186,7 +175,7 @@ open class ToolbarController: StatusBarController {
        toolbar.y = y
        toolbar.width = view.width
-        switch toolbarDisplay {
+        switch displayStyle {
        case .partial:
            let h = y + toolbar.height
            rootViewController.view.y = h
@@ -205,6 +194,7 @@ open class ToolbarController: StatusBarController {
     */
 	open override func prepare() {
 		super.prepare()
+        displayStyle = .partial
        prepareStatusBar()
        prepareToolbar()
 	}