added SideNavigationViewController

MaterialKit.xcodeproj/project.pbxproj

@@ -66,6 +66,12 @@
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 		965C17CB1BC82FEF00B1059A /* MaterialCollectionViewCell.swift in Headers */ = {isa = PBXBuildFile; fileRef = 965C17C41BC8273D00B1059A /* MaterialCollectionViewCell.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		965C17CC1BC82FEF00B1059A /* BasicCollectionViewCell.swift in Headers */ = {isa = PBXBuildFile; fileRef = 965C17C61BC8279F00B1059A /* BasicCollectionViewCell.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		965C17CC1BC82FEF00B1059A /* BasicCollectionViewCell.swift in Headers */ = {isa = PBXBuildFile; fileRef = 965C17C61BC8279F00B1059A /* BasicCollectionViewCell.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		9693BF861BCB0E0A0087054A /* Material+UIFont.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9693BF851BCB0E0A0087054A /* Material+UIFont.swift */; settings = {ASSET_TAGS = (); }; };
 		9693BF861BCB0E0A0087054A /* Material+UIFont.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9693BF851BCB0E0A0087054A /* Material+UIFont.swift */; settings = {ASSET_TAGS = (); }; };
+		9693BF8A1BCB35520087054A /* SideNavigationViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9693BF891BCB35520087054A /* SideNavigationViewController.swift */; settings = {ASSET_TAGS = (); }; };
+		9693BF8B1BCB35910087054A /* Material+UIFont.swift in Headers */ = {isa = PBXBuildFile; fileRef = 9693BF851BCB0E0A0087054A /* Material+UIFont.swift */; settings = {ATTRIBUTES = (Public, ); }; };
+		9693BF8C1BCB35910087054A /* SideNavigationViewController.swift in Headers */ = {isa = PBXBuildFile; fileRef = 9693BF891BCB35520087054A /* SideNavigationViewController.swift */; settings = {ATTRIBUTES = (Public, ); }; };
+		9693BF8D1BCB35910087054A /* MaterialBasicAnimation.swift in Headers */ = {isa = PBXBuildFile; fileRef = 65D2BEC61BBED1E400800B7B /* MaterialBasicAnimation.swift */; settings = {ATTRIBUTES = (Public, ); }; };
+		9693BF8E1BCB35910087054A /* MaterialKeyframeAnimation.swift in Headers */ = {isa = PBXBuildFile; fileRef = 65D2BEC81BBED1FA00800B7B /* MaterialKeyframeAnimation.swift */; settings = {ATTRIBUTES = (Public, ); }; };
+		9693BF8F1BCB35910087054A /* MaterialTransitionAnimation.swift in Headers */ = {isa = PBXBuildFile; fileRef = 96C4FABD1BC3168900E4FFC3 /* MaterialTransitionAnimation.swift */; settings = {ATTRIBUTES = (Public, ); }; };
 		9699879C1BC5FE49006D678E /* MaterialTextLayer.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9699879B1BC5FE49006D678E /* MaterialTextLayer.swift */; settings = {ASSET_TAGS = (); }; };
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 		96C4FABE1BC3168900E4FFC3 /* MaterialTransitionAnimation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96C4FABD1BC3168900E4FFC3 /* MaterialTransitionAnimation.swift */; settings = {ASSET_TAGS = (); }; };
 		96D26BFD1BC23649006478BD /* ImageCardView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96D26BFC1BC23649006478BD /* ImageCardView.swift */; settings = {ASSET_TAGS = (); }; };
 		96D26BFD1BC23649006478BD /* ImageCardView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 96D26BFC1BC23649006478BD /* ImageCardView.swift */; settings = {ASSET_TAGS = (); }; };
@@ -122,6 +128,7 @@
 		965C17C41BC8273D00B1059A /* MaterialCollectionViewCell.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MaterialCollectionViewCell.swift; sourceTree = "<group>"; };
 		965C17C41BC8273D00B1059A /* MaterialCollectionViewCell.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MaterialCollectionViewCell.swift; sourceTree = "<group>"; };
 		965C17C61BC8279F00B1059A /* BasicCollectionViewCell.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BasicCollectionViewCell.swift; sourceTree = "<group>"; };
 		965C17C61BC8279F00B1059A /* BasicCollectionViewCell.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BasicCollectionViewCell.swift; sourceTree = "<group>"; };
 		9693BF851BCB0E0A0087054A /* Material+UIFont.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "Material+UIFont.swift"; sourceTree = "<group>"; };
 		9693BF851BCB0E0A0087054A /* Material+UIFont.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "Material+UIFont.swift"; sourceTree = "<group>"; };
+		9693BF891BCB35520087054A /* SideNavigationViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SideNavigationViewController.swift; sourceTree = "<group>"; };
 		9699879B1BC5FE49006D678E /* MaterialTextLayer.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MaterialTextLayer.swift; sourceTree = "<group>"; };
 		9699879B1BC5FE49006D678E /* MaterialTextLayer.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MaterialTextLayer.swift; sourceTree = "<group>"; };
 		96C4FABD1BC3168900E4FFC3 /* MaterialTransitionAnimation.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MaterialTransitionAnimation.swift; sourceTree = "<group>"; };
 		96C4FABD1BC3168900E4FFC3 /* MaterialTransitionAnimation.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MaterialTransitionAnimation.swift; sourceTree = "<group>"; };
 		96D26BFC1BC23649006478BD /* ImageCardView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ImageCardView.swift; sourceTree = "<group>"; };
 		96D26BFC1BC23649006478BD /* ImageCardView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ImageCardView.swift; sourceTree = "<group>"; };
@@ -295,6 +302,7 @@
 			isa = PBXGroup;
 			isa = PBXGroup;
 			children = (
 			children = (
 				962F3E521BACA68C0004B8AD /* NavigationBarView.swift */,
 				962F3E521BACA68C0004B8AD /* NavigationBarView.swift */,
+				9693BF891BCB35520087054A /* SideNavigationViewController.swift */,
 			);
 			);
 			name = Navigation;
 			name = Navigation;
 			sourceTree = "<group>";
 			sourceTree = "<group>";
@@ -375,6 +383,11 @@
 				965C17CA1BC82FEF00B1059A /* ImageCardView.swift in Headers */,
 				965C17CA1BC82FEF00B1059A /* ImageCardView.swift in Headers */,
 				965C17CB1BC82FEF00B1059A /* MaterialCollectionViewCell.swift in Headers */,
 				965C17CB1BC82FEF00B1059A /* MaterialCollectionViewCell.swift in Headers */,
 				965C17CC1BC82FEF00B1059A /* BasicCollectionViewCell.swift in Headers */,
 				965C17CC1BC82FEF00B1059A /* BasicCollectionViewCell.swift in Headers */,
+				9693BF8B1BCB35910087054A /* Material+UIFont.swift in Headers */,
+				9693BF8C1BCB35910087054A /* SideNavigationViewController.swift in Headers */,
+				9693BF8D1BCB35910087054A /* MaterialBasicAnimation.swift in Headers */,
+				9693BF8E1BCB35910087054A /* MaterialKeyframeAnimation.swift in Headers */,
+				9693BF8F1BCB35910087054A /* MaterialTransitionAnimation.swift in Headers */,
 			);
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			runOnlyForDeploymentPostprocessing = 0;
 		};
 		};
@@ -503,6 +516,7 @@
 				65BDD14B1BB5DD02006F7F2B /* MaterialFont.swift in Sources */,
 				65BDD14B1BB5DD02006F7F2B /* MaterialFont.swift in Sources */,
 				9699879C1BC5FE49006D678E /* MaterialTextLayer.swift in Sources */,
 				9699879C1BC5FE49006D678E /* MaterialTextLayer.swift in Sources */,
 				965C17C51BC8273D00B1059A /* MaterialCollectionViewCell.swift in Sources */,
 				965C17C51BC8273D00B1059A /* MaterialCollectionViewCell.swift in Sources */,
+				9693BF8A1BCB35520087054A /* SideNavigationViewController.swift in Sources */,
 				65BDD16A1BB7146B006F7F2B /* MaterialBorder.swift in Sources */,
 				65BDD16A1BB7146B006F7F2B /* MaterialBorder.swift in Sources */,
 				65BDD15B1BB7095E006F7F2B /* MaterialRadius.swift in Sources */,
 				65BDD15B1BB7095E006F7F2B /* MaterialRadius.swift in Sources */,
 				65BDD1721BB8CD77006F7F2B /* MaterialLabel.swift in Sources */,
 				65BDD1721BB8CD77006F7F2B /* MaterialLabel.swift in Sources */,

Source/SideNavigationViewController.swift

+//
+// Copyright (C) 2015 GraphKit, Inc. <http://graphkit.io> and other GraphKit contributors.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published
+// by the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program located at the root of the software package
+// in a file called LICENSE.  If not, see <http://www.gnu.org/licenses/>.
+//
+
+import UIKit
+
+public extension UIViewController {
+	/**
+		:name:	sideNavigationViewController
+	*/
+	public var sideNavigationViewController: SideNavigationViewController? {
+		var viewController: UIViewController? = self
+		while nil != viewController {
+			if viewController is SideNavigationViewController {
+				return viewController as? SideNavigationViewController
+			}
+			viewController = viewController?.parentViewController
+		}
+		return nil
+	}
+}
+
+public enum SideNavigationViewState {
+	case Opened
+	case Closed
+}
+
+@objc(SideNavigationViewContainer)
+public class SideNavigationViewContainer : NSObject {
+	/**
+	:name:	state
+	*/
+	public private(set) var state: SideNavigationViewState
+	
+	/**
+	:name:	point
+	*/
+	public private(set) var point: CGPoint
+	
+	/**
+	:name:	frame
+	*/
+	public private(set) var frame: CGRect
+	
+	/**
+	:name:	description
+	*/
+	public override var description: String {
+		let s: String = .Opened == state ? "Opened" : "Closed"
+		return "(state: \(s), point: \(point), frame: \(frame))"
+	}
+	
+	/**
+	:name:	init
+	*/
+	public init(state: SideNavigationViewState, point: CGPoint, frame: CGRect) {
+		self.state = state
+		self.point = point
+		self.frame = frame
+	}
+}
+
+@objc(SideNavigationViewDelegate)
+public protocol SideNavigationViewDelegate {
+	// left
+	optional func sideNavDidBeginLeftPan(nav: SideNavigationViewController, container: SideNavigationViewContainer)
+	optional func sideNavDidChangeLeftPan(nav: SideNavigationViewController, container: SideNavigationViewContainer)
+	optional func sideNavDidEndLeftPan(nav: SideNavigationViewController, container: SideNavigationViewContainer)
+	optional func sideNavDidOpenLeftViewContainer(nav: SideNavigationViewController, container: SideNavigationViewContainer)
+	optional func sideNavDidCloseLeftViewContainer(nav: SideNavigationViewController, container: SideNavigationViewContainer)
+	optional func sideNavDidTapLeft(nav: SideNavigationViewController, container: SideNavigationViewContainer)
+}
+
+@objc(SideNavigationViewController)
+public class SideNavigationViewController: UIViewController, UIGestureRecognizerDelegate {
+	/**
+	:name:	default options
+	*/
+	public struct defaultOptions {
+		public static var bezelWidth: CGFloat = 48
+		public static var bezelHeight: CGFloat = 48
+		public static var containerWidth: CGFloat = 240
+		public static var containerHeight: CGFloat = 240
+		public static var defaultAnimationDuration: CGFloat = 0.3
+		public static var threshold: CGFloat = 48
+		public static var panningEnabled: Bool = true
+	}
+	
+	/**
+	:name:	options
+	*/
+	public struct options {
+		public static var shadowOpacity: Float = 0
+		public static var shadowRadius: CGFloat = 0
+		public static var shadowOffset: CGSize = CGSizeZero
+		public static var backdropScale: CGFloat = 1
+		public static var backdropOpacity: CGFloat = 0.5
+		public static var hideStatusBar: Bool = true
+		public static var horizontalThreshold: CGFloat = defaultOptions.threshold
+		public static var verticalThreshold: CGFloat = defaultOptions.threshold
+		public static var backdropBackgroundColor: UIColor = MaterialColor.black
+		public static var animationDuration: CGFloat = defaultOptions.defaultAnimationDuration
+		public static var leftBezelWidth: CGFloat = defaultOptions.bezelWidth
+		public static var leftViewContainerWidth: CGFloat = defaultOptions.containerWidth
+		public static var leftPanFromBezel: Bool = defaultOptions.panningEnabled
+	}
+	
+	/**
+	:name:	delegate
+	*/
+	public weak var delegate: SideNavigationViewDelegate?
+	
+	/**
+	:name:	isViewBasedAppearance
+	*/
+	public var isViewBasedAppearance: Bool {
+		return 0 == NSBundle.mainBundle().objectForInfoDictionaryKey("UIViewControllerBasedStatusBarAppearance") as? Int
+	}
+	
+	/**
+	:name:	isLeftContainerOpened
+	*/
+	public var isLeftContainerOpened: Bool {
+		if let c = leftViewContainer {
+			return c.frame.origin.x != leftOriginX
+		}
+		return false
+	}
+	
+	/**
+	:name:	isUserInteractionEnabled
+	*/
+	public var isUserInteractionEnabled: Bool {
+		get {
+			return mainViewContainer!.userInteractionEnabled
+		}
+		set(value) {
+			mainViewContainer?.userInteractionEnabled = value
+		}
+	}
+	
+	/**
+	:name:	backdropViewContainer
+	*/
+	public private(set) var backdropViewContainer: UIView?
+	
+	/**
+	:name:	mainViewContainer
+	*/
+	public private(set) var mainViewContainer: UIView?
+	
+	/**
+	:name:	leftViewContainer
+	*/
+	public private(set) var leftViewContainer: UIView?
+	
+	/**
+	:name:	leftContainer
+	*/
+	public private(set) var leftContainer: SideNavigationViewContainer?
+	
+	/**
+	:name:	mainViewController
+	*/
+	public var mainViewController: UIViewController?
+	
+	/**
+	:name:	leftViewController
+	*/
+	public var leftViewController: UIViewController?
+	
+	/**
+	:name:	leftPanGesture
+	*/
+	public var leftPanGesture: UIPanGestureRecognizer?
+	
+	/**
+	:name:	leftTapGesture
+	*/
+	public var leftTapGesture: UITapGestureRecognizer?
+	
+	//
+	//	:name:	leftOriginX
+	//
+	private var leftOriginX: CGFloat {
+		return -options.leftViewContainerWidth
+	}
+	
+	/**
+	:name:	init
+	*/
+	public required init?(coder aDecoder: NSCoder) {
+		super.init(coder: aDecoder)
+	}
+	
+	/**
+	:name:	init
+	*/
+	public override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: NSBundle?) {
+		super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
+	}
+	
+	/**
+	:name:	init
+	*/
+	public convenience init(mainViewController: UIViewController) {
+		self.init()
+		self.mainViewController = mainViewController
+		prepareView()
+	}
+	
+	/**
+	:name:	init
+	*/
+	public convenience init(mainViewController: UIViewController, leftViewController: UIViewController) {
+		self.init()
+		self.mainViewController = mainViewController
+		self.leftViewController = leftViewController
+		prepareView()
+		prepareLeftView()
+	}
+	
+	//
+	//	:name:	viewDidLoad
+	//
+	public override func viewDidLoad() {
+		super.viewDidLoad()
+		edgesForExtendedLayout = .None
+	}
+	
+	//
+	//	:name:	viewWillLayoutSubviews
+	//
+	public override func viewWillLayoutSubviews() {
+		super.viewWillLayoutSubviews()
+		if nil != mainViewController {
+			prepareContainedViewController(&mainViewContainer, viewController: &mainViewController)
+		}
+		
+		if nil != leftViewController {
+			prepareContainedViewController(&leftViewContainer, viewController: &leftViewController)
+		}
+	}
+	
+	/**
+	:name:	toggleLeftViewContainer
+	*/
+	public func toggleLeftViewContainer(velocity: CGFloat = 0) {
+		isLeftContainerOpened ? closeLeftViewContainer(velocity) : openLeftViewContainer(velocity)
+	}
+	
+	/**
+	:name:	openLeftViewContainer
+	*/
+	public func openLeftViewContainer(velocity: CGFloat = 0) {
+		if let vc = leftViewContainer {
+			if let c = leftContainer {
+				prepareContainerToOpen(&leftViewController, viewContainer: &leftViewContainer, state: c.state)
+				UIView.animateWithDuration(Double(0 == velocity ? options.animationDuration : fmax(0.1, fmin(1, Double(vc.frame.origin.x / velocity)))),
+					delay: 0,
+					options: .CurveEaseInOut,
+					animations: { _ in
+						vc.frame.origin.x = 0
+						self.backdropViewContainer?.layer.opacity = Float(options.backdropOpacity)
+						self.mainViewContainer?.transform = CGAffineTransformMakeScale(options.backdropScale, options.backdropScale)
+					}
+					) { _ in
+						self.isUserInteractionEnabled = false
+				}
+				c.state = .Opened
+				delegate?.sideNavDidOpenLeftViewContainer?(self, container: c)
+			}
+		}
+	}
+	
+	/**
+	:name:	closeLeftViewContainer
+	*/
+	public func closeLeftViewContainer(velocity: CGFloat = 0) {
+		if let vc = leftViewContainer {
+			if let c = leftContainer {
+				prepareContainerToClose(&leftViewController, state: c.state)
+				UIView.animateWithDuration(Double(0 == velocity ? options.animationDuration : fmax(0.1, fmin(1, fabs(vc.frame.origin.x - leftOriginX) / velocity))),
+					delay: 0,
+					options: .CurveEaseInOut,
+					animations: { _ in
+						vc.frame.origin.x = self.leftOriginX
+						self.backdropViewContainer?.layer.opacity = 0
+						self.mainViewContainer?.transform = CGAffineTransformMakeScale(1, 1)
+					}
+					) { _ in
+						self.removeShadow(&self.leftViewContainer)
+						self.isUserInteractionEnabled = true
+				}
+				c.state = .Closed
+				delegate?.sideNavDidCloseLeftViewContainer?(self, container: c)
+			}
+		}
+	}
+	
+	/**
+	:name:	switchMainViewController
+	*/
+	public func switchMainViewController(viewController: UIViewController, closeViewContainers: Bool) {
+		removeViewController(&mainViewController)
+		mainViewController = viewController
+		prepareContainedViewController(&mainViewContainer, viewController: &mainViewController)
+		if closeViewContainers {
+			closeLeftViewContainer()
+		}
+	}
+	
+	/**
+	:name:	switchLeftViewController
+	*/
+	public func switchLeftViewController(viewController: UIViewController, closeLeftViewContainerViewContainer: Bool) {
+		removeViewController(&leftViewController)
+		leftViewController = viewController
+		prepareContainedViewController(&leftViewContainer, viewController: &leftViewController)
+		if closeLeftViewContainerViewContainer {
+			closeLeftViewContainer()
+		}
+	}
+	
+	//
+	//	:name:	gestureRecognizer
+	//
+	public func gestureRecognizer(gestureRecognizer: UIGestureRecognizer, shouldReceiveTouch touch: UITouch) -> Bool {
+		if gestureRecognizer == leftPanGesture {
+			return gesturePanLeftViewController(gestureRecognizer, withTouchPoint: touch.locationInView(view))
+		}
+		if gestureRecognizer == leftTapGesture {
+			return isLeftContainerOpened && !isPointContainedWithinViewController(&leftViewContainer, point: touch.locationInView(view))
+		}
+		return true
+	}
+	
+	//
+	//	:name:	prepareView
+	//
+	internal func prepareView() {
+		prepareMainContainer()
+		prepareBackdropContainer()
+	}
+	
+	//
+	//	:name:	prepareLeftView
+	//
+	internal func prepareLeftView() {
+		prepareContainer(&leftContainer, viewContainer: &leftViewContainer, originX: leftOriginX, originY: 0, width: options.leftViewContainerWidth, height: view.bounds.size.height)
+		prepareLeftGestures()
+	}
+	
+	//
+	//	:name:	addGestures
+	//
+	private func addGestures(inout pan: UIPanGestureRecognizer?, panSelector: Selector, inout tap: UITapGestureRecognizer?, tapSelector: Selector) {
+		if nil == pan {
+			pan = UIPanGestureRecognizer(target: self, action: panSelector)
+			pan!.delegate = self
+			view.addGestureRecognizer(pan!)
+		}
+		if nil == tap {
+			tap = UITapGestureRecognizer(target: self, action: tapSelector)
+			tap!.delegate = self
+			view.addGestureRecognizer(tap!)
+		}
+	}
+	
+	//
+	//	:name:	removeGestures
+	//
+	private func removeGestures(inout pan: UIPanGestureRecognizer?, inout tap: UITapGestureRecognizer?) {
+		if let g = pan {
+			view.removeGestureRecognizer(g)
+			pan = nil
+		}
+		if let g = tap {
+			view.removeGestureRecognizer(g)
+			tap = nil
+		}
+	}
+	
+	//
+	//	:name:	handleLeftPanGesture
+	//
+	internal func handleLeftPanGesture(gesture: UIPanGestureRecognizer) {
+		if let vc = leftViewContainer {
+			if let c = leftContainer {
+				if .Began == gesture.state {
+					addShadow(&leftViewContainer)
+					toggleStatusBar(true)
+					c.state = isLeftContainerOpened ? .Opened : .Closed
+					c.point = gesture.locationInView(view)
+					c.frame = vc.frame
+					delegate?.sideNavDidBeginLeftPan?(self, container: c)
+				} else if .Changed == gesture.state {
+					c.point = gesture.translationInView(gesture.view!)
+					let r = (vc.frame.origin.x - leftOriginX) / vc.frame.size.width
+					let s: CGFloat = 1 - (1 - options.backdropScale) * r
+					let x: CGFloat = c.frame.origin.x + c.point.x
+					vc.frame.origin.x = x < leftOriginX ? leftOriginX : x > 0 ? 0 : x
+					backdropViewContainer?.layer.opacity = Float(r * options.backdropOpacity)
+					mainViewContainer?.transform = CGAffineTransformMakeScale(s, s)
+					delegate?.sideNavDidChangeLeftPan?(self, container: c)
+				} else {
+					c.point = gesture.velocityInView(gesture.view)
+					let x: CGFloat = c.point.x >= 1000 || c.point.x <= -1000 ? c.point.x : 0
+					c.state = vc.frame.origin.x <= CGFloat(floor(leftOriginX)) + options.horizontalThreshold || c.point.x <= -1000 ? .Closed : .Opened
+					if .Closed == c.state {
+						closeLeftViewContainer(x)
+					} else {
+						openLeftViewContainer(x)
+					}
+					delegate?.sideNavDidEndLeftPan?(self, container: c)
+				}
+			}
+		}
+	}
+	
+	//
+	//	:name:	handleLeftTapGesture
+	//
+	internal func handleLeftTapGesture(gesture: UIPanGestureRecognizer) {
+		if let c = leftContainer {
+			delegate?.sideNavDidTapLeft?(self, container: c)
+			closeLeftViewContainer()
+		}
+	}
+	
+	//
+	//	:name:	addShadow
+	//
+	private func addShadow(inout viewContainer: UIView?) {
+		if let vc = viewContainer {
+			vc.layer.shadowOffset = options.shadowOffset
+			vc.layer.shadowOpacity = options.shadowOpacity
+			vc.layer.shadowRadius = options.shadowRadius
+			vc.layer.shadowPath = UIBezierPath(rect: vc.bounds).CGPath
+			vc.layer.masksToBounds = false
+		}
+	}
+	
+	//
+	//	:name:	removeShadow
+	//
+	private func removeShadow(inout viewContainer: UIView?) {
+		if let vc = viewContainer {
+			vc.layer.opacity = 1
+			vc.layer.masksToBounds = true
+		}
+	}
+	
+	//
+	//	:name:	toggleStatusBar
+	//
+	private func toggleStatusBar(hide: Bool = false) {
+		if options.hideStatusBar {
+			if isViewBasedAppearance {
+				UIApplication.sharedApplication().setStatusBarHidden(hide, withAnimation: .Slide)
+			} else {
+				dispatch_async(dispatch_get_main_queue(), {
+					if let w = UIApplication.sharedApplication().keyWindow {
+						w.windowLevel = hide ? UIWindowLevelStatusBar + 1 : 0
+					}
+				})
+			}
+		}
+	}
+	
+	//
+	//	:name:	removeViewController
+	//
+	private func removeViewController(inout viewController: UIViewController?) {
+		if let vc = viewController {
+			vc.willMoveToParentViewController(nil)
+			vc.view.removeFromSuperview()
+			vc.removeFromParentViewController()
+		}
+	}
+	
+	//
+	//	:name:	gesturePanLeftViewController
+	//
+	private func gesturePanLeftViewController(gesture: UIGestureRecognizer, withTouchPoint point: CGPoint) -> Bool {
+		return isLeftContainerOpened || options.leftPanFromBezel && isLeftPointContainedWithinRect(point)
+	}
+	
+	//
+	//	:name:	isLeftPointContainedWithinRect
+	//
+	private func isLeftPointContainedWithinRect(point: CGPoint) -> Bool {
+		return CGRectContainsPoint(CGRectMake(0, 0, options.leftBezelWidth, view.bounds.size.height), point)
+	}
+	
+	//
+	//	:name:	isPointContainedWithinViewController
+	//
+	private func isPointContainedWithinViewController(inout viewContainer: UIView?, point: CGPoint) -> Bool {
+		if let vc = viewContainer {
+			return CGRectContainsPoint(vc.frame, point)
+		}
+		return false
+	}
+	
+	//
+	//	:name:	prepareMainContainer
+	//
+	private func prepareMainContainer() {
+		mainViewContainer = UIView(frame: view.bounds)
+		mainViewContainer!.backgroundColor = MaterialColor.clear
+		mainViewContainer!.autoresizingMask = [.FlexibleHeight, .FlexibleWidth]
+		view.addSubview(mainViewContainer!)
+	}
+	
+	//
+	//	:name:	prepareBackdropContainer
+	//
+	private func prepareBackdropContainer() {
+		backdropViewContainer = UIView(frame: view.bounds)
+		backdropViewContainer!.backgroundColor = options.backdropBackgroundColor
+		backdropViewContainer!.autoresizingMask = [.FlexibleHeight, .FlexibleWidth]
+		backdropViewContainer!.layer.opacity = 0
+		view.addSubview(backdropViewContainer!)
+	}
+	
+	//
+	//	:name:	prepareLeftGestures
+	//
+	private func prepareLeftGestures() {
+		removeGestures(&leftPanGesture, tap: &leftTapGesture)
+		addGestures(&leftPanGesture, panSelector: "handleLeftPanGesture:", tap: &leftTapGesture, tapSelector: "handleLeftTapGesture:")
+	}
+	
+	//
+	//	:name:	prepareContainer
+	//
+	private func prepareContainer(inout container: SideNavigationViewContainer?, inout viewContainer: UIView?, originX: CGFloat, originY: CGFloat, width: CGFloat, height: CGFloat) {
+		container = SideNavigationViewContainer(state: .Closed, point: CGPointZero, frame: CGRectZero)
+		viewContainer = UIView(frame: CGRectMake(originX, originY, width, height))
+		viewContainer!.backgroundColor = MaterialColor.clear
+		viewContainer!.autoresizingMask = [.FlexibleHeight, .FlexibleWidth]
+		view.addSubview(viewContainer!)
+	}
+	
+	//
+	//	:name:	prepareContainerToOpen
+	//
+	private func prepareContainerToOpen(inout viewController: UIViewController?, inout viewContainer: UIView?, state: SideNavigationViewState) {
+		addShadow(&viewContainer)
+		toggleStatusBar(true)
+	}
+	
+	//
+	//	:name:	prepareContainerToClose
+	//
+	private func prepareContainerToClose(inout viewController: UIViewController?, state: SideNavigationViewState) {
+		toggleStatusBar()
+	}
+	
+	//
+	//	:name:	prepareContainedViewController
+	//
+	private func prepareContainedViewController(inout viewContainer: UIView?, inout viewController: UIViewController?) {
+		if let vc = viewController {
+			if let c = viewContainer {
+				addChildViewController(vc)
+				vc.view.frame = c.frame
+				c.addSubview(vc.view)
+				vc.didMoveToParentViewController(self)
+			}
+		}
+	}
+}