development: updated delegation methods access and added PageController from PageTabBarController

Material.xcodeproj/project.pbxproj

@@ -16,7 +16,7 @@
 		96334EF61C8B84660083986B /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 96334EF51C8B84660083986B /* Assets.xcassets */; };
 		963832421B88DFD80015F710 /* Material.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 963832361B88DFD80015F710 /* Material.framework */; };
 		963FBEFD1D669510008F8512 /* Snackbar.swift in Sources */ = {isa = PBXBuildFile; fileRef = 963FBEFC1D669510008F8512 /* Snackbar.swift */; };
-		963FBF081D669D14008F8512 /* PageTabBarController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 963FBF071D669D14008F8512 /* PageTabBarController.swift */; };
+		963FBF081D669D14008F8512 /* PageController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 963FBF071D669D14008F8512 /* PageController.swift */; };
 		9658F2171CD6FA4700B902C1 /* IconButton.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9658F2161CD6FA4700B902C1 /* IconButton.swift */; };
 		9660161D1CB2ED6C00AAB661 /* Material.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 966016131CB2ED6C00AAB661 /* Material.framework */; };
 		9660162A1CB2F04E00AAB661 /* Material.h in Headers */ = {isa = PBXBuildFile; fileRef = 96D88C091C1328D800B91418 /* Material.h */; settings = {ATTRIBUTES = (Public, ); }; };
@@ -209,7 +209,7 @@
 		963832411B88DFD80015F710 /* Material.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = Material.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		963832591B88E31A0015F710 /* Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		963FBEFC1D669510008F8512 /* Snackbar.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Snackbar.swift; sourceTree = "<group>"; };
-		963FBF071D669D14008F8512 /* PageTabBarController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = PageTabBarController.swift; sourceTree = "<group>"; };
+		963FBF071D669D14008F8512 /* PageController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = PageController.swift; sourceTree = "<group>"; };
 		9658F2161CD6FA4700B902C1 /* IconButton.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = IconButton.swift; sourceTree = "<group>"; };
 		966016131CB2ED6C00AAB661 /* Material.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Material.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		9660161C1CB2ED6C00AAB661 /* Material macOS Tests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = "Material macOS Tests.xctest"; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -407,7 +407,7 @@
 			isa = PBXGroup;
 			children = (
 				96BCB79A1CB40DC500C806FE /* TabBar.swift */,
-				963FBF071D669D14008F8512 /* PageTabBarController.swift */,
+				963FBF071D669D14008F8512 /* PageController.swift */,
 				96BCB7581CB40DC500C806FE /* BottomNavigationController.swift */,
 				96BCB7591CB40DC500C806FE /* BottomTabBar.swift */,
 			);
@@ -1057,7 +1057,7 @@
 				962864621D54111D00690B69 /* JSON.swift in Sources */,
 				96BCB7C21CB40DC500C806FE /* Device.swift in Sources */,
 				96BCB7A41CB40DC500C806FE /* CaptureSession.swift in Sources */,
-				963FBF081D669D14008F8512 /* PageTabBarController.swift in Sources */,
+				963FBF081D669D14008F8512 /* PageController.swift in Sources */,
 				963FBEFD1D669510008F8512 /* Snackbar.swift in Sources */,
 				96BCB7C51CB40DC500C806FE /* MaterialGravity.swift in Sources */,
 				968C99471D377849000074FF /* Offset.swift in Sources */,

Sources/iOS/Capture.swift

@@ -133,7 +133,7 @@ public protocol CaptureDelegate {
 
 open class Capture: View, UIGestureRecognizerDelegate {
     /// A delegation reference.
-    public weak var delegate: CaptureDelegate?
+    open weak var delegate: CaptureDelegate?
     
     /// A Timer reference for when recording is enabled.
 	private var timer: Timer?

Sources/iOS/CaptureSession.swift

@@ -366,7 +366,7 @@ open class CaptureSession: NSObject, AVCaptureFileOutputRecordingDelegate {
 	}
 	
 	/// A delegation property for CaptureSessionDelegate.
-	public weak var delegate: CaptureSessionDelegate?
+	open weak var delegate: CaptureSessionDelegate?
 	
 	/// Initializer.
 	public override init() {

Sources/iOS/DynamicFontType.swift

@@ -43,7 +43,7 @@ public protocol DynamicFontTypeDelegate {
 @objc(DynamicFontType)
 open class DynamicFontType: NSObject {
     /// A weak reference to a DynamicFontTypeDelegate.
-    public weak var delegate: DynamicFontTypeDelegate?
+    open weak var delegate: DynamicFontTypeDelegate?
     
     /// Initializer.
     public override init() {

Sources/iOS/MenuView.swift

@@ -42,7 +42,7 @@ public class MenuView : PulseView {
 	public private(set) lazy var menu: Menu = Menu()
 	
     /// A delegation reference.
-    public weak var delegate: MenuViewDelegate?
+    open weak var delegate: MenuViewDelegate?
     
     public override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
         /**

Sources/iOS/NavigationDrawerController.swift

@@ -179,7 +179,7 @@ public class NavigationDrawerController: RootController, UIGestureRecognizerDele
 	A NavigationDrawerControllerDelegate property used to bind
 	the delegation object.
 	*/
-	public weak var delegate: NavigationDrawerControllerDelegate?
+	open weak var delegate: NavigationDrawerControllerDelegate?
 	
 	/**
 	A CGFloat property that sets the animation duration of the

Sources/iOS/PageTabBarController.swift → Sources/iOS/PageController.swift

@@ -32,15 +32,15 @@ import UIKit
 
 extension UIViewController {
     /**
-     A convenience property that provides access to the PageTabBarController.
-     This is the recommended method of accessing the PageTabBarController
+     A convenience property that provides access to the PageController.
+     This is the recommended method of accessing the PageController
      through child UIViewControllers.
      */
-    public var pageTabBarController: PageTabBarController? {
+    public var pageController: PageController? {
         var viewController: UIViewController? = self
         while nil != viewController {
-            if viewController is PageTabBarController {
-                return viewController as? PageTabBarController
+            if viewController is PageController {
+                return viewController as? PageController
             }
             viewController = viewController?.parent
         }
@@ -48,18 +48,32 @@ extension UIViewController {
     }
 }
 
-@objc(PageTabBarControllerDelegate)
-public protocol PageTabBarControllerDelegate {
+@objc(PageControllerDelegate)
+public protocol PageControllerDelegate {
 
 }
 
-@objc(PageTabBarController)
-open class PageTabBarController: RootController {
+@objc(PageController)
+open class PageController: RootController {
     /// Reference to the TabBar.
     open internal(set) var tabBar: TabBar!
     
     /// Delegation handler.
-    public weak var delegate: PageTabBarControllerDelegate?
+    public weak var delegate: PageControllerDelegate?
+    
+    /// A reference to the instance when it is a UIPageViewController.
+    open var pageViewController: UIPageViewController? {
+        return rootViewController as? UIPageViewController
+    }
+    
+    public required init?(coder aDecoder: NSCoder) {
+        super.init(coder: aDecoder)
+    }
+    
+    public override init(rootViewController: UIViewController) {
+        super.init(rootViewController: UIPageViewController())
+        pageViewController?.setViewControllers([rootViewController], direction: .forward, animated: true, completion: nil)
+    }
     
     /**
      To execute in the order of the layout chain, override this
@@ -99,6 +113,18 @@ open class PageTabBarController: RootController {
         prepareTabBar()
     }
     
+    override func prepareRootViewController() {
+        super.prepareRootViewController()
+        
+        guard let v = pageViewController else {
+            return
+        }
+        
+        v.isDoubleSided = false
+        v.delegate = self
+        v.dataSource = self
+    }
+    
     /// Prepares the tabBar.
     private func prepareTabBar() {
         if nil == tabBar {
@@ -108,3 +134,23 @@ open class PageTabBarController: RootController {
         }
     }
 }
+
+extension PageController {
+    open func setViewControllers(_ viewControllers: [UIViewController]?, direction: UIPageViewControllerNavigationDirection, animated: Bool, completion: (@escaping (Bool) -> Swift.Void)? = nil) {
+        pageViewController?.setViewControllers(viewControllers, direction: direction, animated: animated, completion: completion)
+    }
+}
+
+extension PageController: UIPageViewControllerDelegate {
+    
+}
+
+extension PageController: UIPageViewControllerDataSource {
+    public func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {
+        return nil
+    }
+    
+    public func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {
+        return nil
+    }
+}

Sources/iOS/PhotoLibrary.swift

@@ -176,7 +176,7 @@ public class PhotoLibrary: NSObject {
     public internal(set) lazy var fetchResultsDataSource = [String: PhotoLibraryFetchResultDataSource]()
     
     /// A reference to a PhotoLibraryDelegate.
-    public weak var delegate: PhotoLibraryDelegate?
+    open weak var delegate: PhotoLibraryDelegate?
     
     /// The current PHAuthorizationStatus.
     public var authorizationStatus: PHAuthorizationStatus {

Sources/iOS/Switch.swift

@@ -80,7 +80,7 @@ public class Switch: UIControl {
 	private var bounceOffset: CGFloat = 3
 		
 	/// An Optional delegation method.
-	public weak var delegate: SwitchDelegate?
+	open weak var delegate: SwitchDelegate?
 	
 	/// Indicates if the animation should bounce.
 	@IBInspectable public var bounceable: Bool = true {

Sources/iOS/TabBar.swift

@@ -103,7 +103,7 @@ open class TabBar: View {
     }
     
     /// A delegation reference.
-    public weak var delegate: TabBarDelegate?
+    open weak var delegate: TabBarDelegate?
     
     open override var intrinsicContentSize: CGSize {
         return CGSize(width: width, height: 49)

Sources/iOS/Text.swift

@@ -78,7 +78,7 @@ public class Text: NSObject {
 	public private(set) var textStorage: TextStorage = TextStorage()
 	
 	/// Delegation object for pre and post text processing.
-	public weak var delegate: TextDelegate?
+	open weak var delegate: TextDelegate?
 	
 	/// Initializer.
 	public override init() {

Sources/iOS/ToolbarController.swift

@@ -76,7 +76,7 @@ open class ToolbarController: RootController {
 	open internal(set) var toolbar: Toolbar!
 	
 	/// Delegation handler.
-	public weak var delegate: ToolbarControllerDelegate?
+	open weak var delegate: ToolbarControllerDelegate?
 	
 	/// A floating UIViewController.
 	open var floatingViewController: UIViewController? {