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Add screen rotation management #18

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98 changes: 54 additions & 44 deletions Pod/Classes/KGDrawerViewController.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -15,24 +15,24 @@ public enum KGDrawerSide: CGFloat {
}

public class KGDrawerViewController: UIViewController {

let defaultDuration:NSTimeInterval = 0.3

// MARK: Initialization

override public init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: NSBundle?) {
super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
}

required public init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}

override public func loadView() {
view = drawerView
}


private var _drawerView: KGDrawerView?
var drawerView: KGDrawerView {
get {
Expand All @@ -45,9 +45,9 @@ public class KGDrawerViewController: UIViewController {
return retVal
}
}

// TODO: Add ability to supply custom animator.

private var _animator: KGDrawerSpringAnimator?
public var animator: KGDrawerSpringAnimator {
get {
Expand All @@ -59,9 +59,9 @@ public class KGDrawerViewController: UIViewController {
return retVal
}
}

// MARK: Interaction

public func openDrawer(side: KGDrawerSide, animated:Bool, complete: (finished: Bool) -> Void) {
if currentlyOpenedSide != side {
if let sideView = drawerView.viewContainerForDrawerSide(side) {
Expand All @@ -73,15 +73,15 @@ public class KGDrawerViewController: UIViewController {
} else {
self.animator.openDrawer(side, drawerView: sideView, centerView: centerView, animated: animated, complete: complete)
}

addDrawerGestures()
drawerView.willOpenDrawer(self)
}
}

currentlyOpenedSide = side
}

public func closeDrawer(side: KGDrawerSide, animated: Bool, complete: (finished: Bool) -> Void) {
if (currentlyOpenedSide == side && currentlyOpenedSide != .None) {
if let sideView = drawerView.viewContainerForDrawerSide(side) {
Expand All @@ -93,7 +93,7 @@ public class KGDrawerViewController: UIViewController {
}
}
}

public func toggleDrawer(side: KGDrawerSide, animated: Bool, complete: (finished: Bool) -> Void) {
if side != .None {
if side == currentlyOpenedSide {
Expand All @@ -103,27 +103,27 @@ public class KGDrawerViewController: UIViewController {
}
}
}

// MARK: Gestures

func addDrawerGestures() {
centerViewController?.view.userInteractionEnabled = false
drawerView.centerViewContainer.addGestureRecognizer(toggleDrawerTapGestureRecognizer)
}

func restoreGestures() {
drawerView.centerViewContainer.removeGestureRecognizer(toggleDrawerTapGestureRecognizer)
centerViewController?.view.userInteractionEnabled = true
}

func centerViewContainerTapped(sender: AnyObject) {
closeDrawer(currentlyOpenedSide, animated: true) { (finished) -> Void in
// Do nothing
}
}

// MARK: Helpers

func viewContainer(side: KGDrawerSide) -> UIViewController? {
switch side {
case .Left:
Expand All @@ -134,32 +134,32 @@ public class KGDrawerViewController: UIViewController {
return nil
}
}

func replaceViewController(sourceViewController: UIViewController?, destinationViewController: UIViewController, container: UIView) {

sourceViewController?.willMoveToParentViewController(nil)
sourceViewController?.view.removeFromSuperview()
sourceViewController?.removeFromParentViewController()

self.addChildViewController(destinationViewController)
container.addSubview(destinationViewController.view)

let destinationView = destinationViewController.view
destinationView.translatesAutoresizingMaskIntoConstraints = false

container.removeConstraints(container.constraints)

let views: [String:UIView] = ["v1" : destinationView]
container.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|[v1]|", options: NSLayoutFormatOptions(rawValue: 0), metrics: nil, views: views))
container.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:|[v1]|", options: NSLayoutFormatOptions(rawValue: 0), metrics: nil, views: views))

destinationViewController.didMoveToParentViewController(self)
}

// MARK: Private computed properties

public var currentlyOpenedSide: KGDrawerSide = .None

// MARK: Accessors
private var _leftViewController: UIViewController?
public var leftViewController: UIViewController? {
Expand All @@ -171,7 +171,7 @@ public class KGDrawerViewController: UIViewController {
_leftViewController = newValue!
}
}

private var _rightViewController: UIViewController?
public var rightViewController: UIViewController? {
get {
Expand All @@ -182,7 +182,7 @@ public class KGDrawerViewController: UIViewController {
_rightViewController = newValue
}
}

private var _centerViewController: UIViewController?
public var centerViewController: UIViewController? {
get {
Expand All @@ -193,13 +193,13 @@ public class KGDrawerViewController: UIViewController {
_centerViewController = newValue
}
}

private lazy var toggleDrawerTapGestureRecognizer: UITapGestureRecognizer = {
[unowned self] in
let gesture = UITapGestureRecognizer(target: self, action: "centerViewContainerTapped:")
return gesture
}()

public var leftDrawerWidth: CGFloat {
get {
return drawerView.leftViewContainerWidth
Expand All @@ -208,7 +208,7 @@ public class KGDrawerViewController: UIViewController {
drawerView.leftViewContainerWidth = newValue
}
}

public var rightDrawerWidth: CGFloat {
get {
return drawerView.rightViewContainerWidth
Expand All @@ -217,19 +217,19 @@ public class KGDrawerViewController: UIViewController {
drawerView.rightViewContainerWidth = newValue
}
}

public var leftDrawerRevealWidth: CGFloat {
get {
return drawerView.leftViewContainerWidth
}
}

public var rightDrawerRevealWidth: CGFloat {
get {
return drawerView.rightViewContainerWidth
}
}

public var backgroundImage: UIImage? {
get {
return drawerView.backgroundImageView.image
Expand All @@ -238,21 +238,31 @@ public class KGDrawerViewController: UIViewController {
drawerView.backgroundImageView.image = newValue
}
}

// MARK: Status Bar

override public func childViewControllerForStatusBarHidden() -> UIViewController? {
return centerViewController
}

override public func childViewControllerForStatusBarStyle() -> UIViewController? {
return centerViewController
}

// MARK: Memory Management

override public func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
}


// MARK: Screen rotation management
public override func supportedInterfaceOrientations() -> UIInterfaceOrientationMask {
let supportedOrientations:UIInterfaceOrientationMask
if let centralVC = self.centerViewController {
supportedOrientations = centralVC.supportedInterfaceOrientations()
} else {
supportedOrientations = super.supportedInterfaceOrientations()
}
return supportedOrientations
}
}