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SlideMenuController.swift
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SlideMenuController.swift
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//
// SlideMenuController.swift
//
// Created by Yuji Hato on 12/3/14.
//
import Foundation
import UIKit
@objc public protocol SlideMenuControllerDelegate {
optional func leftWillOpen()
optional func leftDidOpen()
optional func leftWillClose()
optional func leftDidClose()
optional func rightWillOpen()
optional func rightDidOpen()
optional func rightWillClose()
optional func rightDidClose()
}
public struct SlideMenuOptions {
public static var leftViewWidth: CGFloat = 270.0
public static var leftBezelWidth: CGFloat? = 16.0
public static var contentViewScale: CGFloat = 0.96
public static var contentViewOpacity: CGFloat = 0.5
public static var shadowOpacity: CGFloat = 0.0
public static var shadowRadius: CGFloat = 0.0
public static var shadowOffset: CGSize = CGSizeMake(0,0)
public static var panFromBezel: Bool = true
public static var animationDuration: CGFloat = 0.4
public static var rightViewWidth: CGFloat = 270.0
public static var rightBezelWidth: CGFloat? = 16.0
public static var rightPanFromBezel: Bool = true
public static var hideStatusBar: Bool = true
public static var pointOfNoReturnWidth: CGFloat = 44.0
public static var simultaneousGestureRecognizers: Bool = true
public static var opacityViewBackgroundColor: UIColor = UIColor.blackColor()
}
public class SlideMenuController: UIViewController, UIGestureRecognizerDelegate {
public enum SlideAction {
case Open
case Close
}
public enum TrackAction {
case LeftTapOpen
case LeftTapClose
case LeftFlickOpen
case LeftFlickClose
case RightTapOpen
case RightTapClose
case RightFlickOpen
case RightFlickClose
}
struct PanInfo {
var action: SlideAction
var shouldBounce: Bool
var velocity: CGFloat
}
public weak var delegate: SlideMenuControllerDelegate?
public var opacityView = UIView()
public var mainContainerView = UIView()
public var leftContainerView = UIView()
public var rightContainerView = UIView()
public var mainViewController: UIViewController?
public var leftViewController: UIViewController?
public var leftPanGesture: UIPanGestureRecognizer?
public var leftTapGesture: UITapGestureRecognizer?
public var rightViewController: UIViewController?
public var rightPanGesture: UIPanGestureRecognizer?
public var rightTapGesture: UITapGestureRecognizer?
public required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
public override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: NSBundle?) {
super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
}
public convenience init(mainViewController: UIViewController, leftMenuViewController: UIViewController) {
self.init()
self.mainViewController = mainViewController
leftViewController = leftMenuViewController
initView()
}
public convenience init(mainViewController: UIViewController, rightMenuViewController: UIViewController) {
self.init()
self.mainViewController = mainViewController
rightViewController = rightMenuViewController
initView()
}
public convenience init(mainViewController: UIViewController, leftMenuViewController: UIViewController, rightMenuViewController: UIViewController) {
self.init()
self.mainViewController = mainViewController
leftViewController = leftMenuViewController
rightViewController = rightMenuViewController
initView()
}
public override func awakeFromNib() {
initView()
}
deinit { }
public func initView() {
mainContainerView = UIView(frame: view.bounds)
mainContainerView.backgroundColor = UIColor.clearColor()
mainContainerView.autoresizingMask = [.FlexibleHeight, .FlexibleWidth]
view.insertSubview(mainContainerView, atIndex: 0)
var opacityframe: CGRect = view.bounds
let opacityOffset: CGFloat = 0
opacityframe.origin.y = opacityframe.origin.y + opacityOffset
opacityframe.size.height = opacityframe.size.height - opacityOffset
opacityView = UIView(frame: opacityframe)
opacityView.backgroundColor = SlideMenuOptions.opacityViewBackgroundColor
opacityView.autoresizingMask = [UIViewAutoresizing.FlexibleHeight, UIViewAutoresizing.FlexibleWidth]
opacityView.layer.opacity = 0.0
view.insertSubview(opacityView, atIndex: 1)
if leftViewController != nil {
var leftFrame: CGRect = view.bounds
leftFrame.size.width = SlideMenuOptions.leftViewWidth
leftFrame.origin.x = leftMinOrigin();
let leftOffset: CGFloat = 0
leftFrame.origin.y = leftFrame.origin.y + leftOffset
leftFrame.size.height = leftFrame.size.height - leftOffset
leftContainerView = UIView(frame: leftFrame)
leftContainerView.backgroundColor = UIColor.clearColor()
leftContainerView.autoresizingMask = UIViewAutoresizing.FlexibleHeight
view.insertSubview(leftContainerView, atIndex: 2)
addLeftGestures()
}
if rightViewController != nil {
var rightFrame: CGRect = view.bounds
rightFrame.size.width = SlideMenuOptions.rightViewWidth
rightFrame.origin.x = rightMinOrigin()
let rightOffset: CGFloat = 0
rightFrame.origin.y = rightFrame.origin.y + rightOffset;
rightFrame.size.height = rightFrame.size.height - rightOffset
rightContainerView = UIView(frame: rightFrame)
rightContainerView.backgroundColor = UIColor.clearColor()
rightContainerView.autoresizingMask = UIViewAutoresizing.FlexibleHeight
view.insertSubview(rightContainerView, atIndex: 3)
addRightGestures()
}
}
public override func viewWillTransitionToSize(size: CGSize, withTransitionCoordinator coordinator: UIViewControllerTransitionCoordinator) {
super.viewWillTransitionToSize(size, withTransitionCoordinator: coordinator)
mainContainerView.transform = CGAffineTransformMakeScale(1.0, 1.0)
leftContainerView.hidden = true
rightContainerView.hidden = true
coordinator.animateAlongsideTransition(nil, completion: { (context: UIViewControllerTransitionCoordinatorContext!) -> Void in
self.closeLeftNonAnimation()
self.closeRightNonAnimation()
self.leftContainerView.hidden = false
self.rightContainerView.hidden = false
if self.leftPanGesture != nil && self.leftPanGesture != nil {
self.removeLeftGestures()
self.addLeftGestures()
}
if self.rightPanGesture != nil && self.rightPanGesture != nil {
self.removeRightGestures()
self.addRightGestures()
}
})
}
public override func viewDidLoad() {
super.viewDidLoad()
edgesForExtendedLayout = UIRectEdge.None
}
public override func supportedInterfaceOrientations() -> UIInterfaceOrientationMask {
if let mainController = self.mainViewController{
return mainController.supportedInterfaceOrientations()
}
return UIInterfaceOrientationMask.All
}
public override func viewWillLayoutSubviews() {
// topLayoutGuideの値が確定するこのタイミングで各種ViewControllerをセットする
setUpViewController(mainContainerView, targetViewController: mainViewController)
setUpViewController(leftContainerView, targetViewController: leftViewController)
setUpViewController(rightContainerView, targetViewController: rightViewController)
}
public override func openLeft() {
self.delegate?.leftWillOpen?()
setOpenWindowLevel()
// for call viewWillAppear of leftViewController
leftViewController?.beginAppearanceTransition(isLeftHidden(), animated: true)
openLeftWithVelocity(0.0)
track(.LeftTapOpen)
}
public override func openRight() {
self.delegate?.rightWillOpen?()
setOpenWindowLevel()
rightViewController?.beginAppearanceTransition(isRightHidden(), animated: true)
openRightWithVelocity(0.0)
track(.RightTapOpen)
}
public override func closeLeft() {
self.delegate?.leftWillClose?()
leftViewController?.beginAppearanceTransition(isLeftHidden(), animated: true)
closeLeftWithVelocity(0.0)
setCloseWindowLebel()
}
public override func closeRight() {
self.delegate?.rightWillClose?()
rightViewController?.beginAppearanceTransition(isRightHidden(), animated: true)
closeRightWithVelocity(0.0)
setCloseWindowLebel()
}
public func addLeftGestures() {
if (leftViewController != nil) {
if leftPanGesture == nil {
leftPanGesture = UIPanGestureRecognizer(target: self, action: "handleLeftPanGesture:")
leftPanGesture!.delegate = self
view.addGestureRecognizer(leftPanGesture!)
}
if leftTapGesture == nil {
leftTapGesture = UITapGestureRecognizer(target: self, action: "toggleLeft")
leftTapGesture!.delegate = self
view.addGestureRecognizer(leftTapGesture!)
}
}
}
public func addRightGestures() {
if (rightViewController != nil) {
if rightPanGesture == nil {
rightPanGesture = UIPanGestureRecognizer(target: self, action: "handleRightPanGesture:")
rightPanGesture!.delegate = self
view.addGestureRecognizer(rightPanGesture!)
}
if rightTapGesture == nil {
rightTapGesture = UITapGestureRecognizer(target: self, action: "toggleRight")
rightTapGesture!.delegate = self
view.addGestureRecognizer(rightTapGesture!)
}
}
}
public func removeLeftGestures() {
if leftPanGesture != nil {
view.removeGestureRecognizer(leftPanGesture!)
leftPanGesture = nil
}
if leftTapGesture != nil {
view.removeGestureRecognizer(leftTapGesture!)
leftTapGesture = nil
}
}
public func removeRightGestures() {
if rightPanGesture != nil {
view.removeGestureRecognizer(rightPanGesture!)
rightPanGesture = nil
}
if rightTapGesture != nil {
view.removeGestureRecognizer(rightTapGesture!)
rightTapGesture = nil
}
}
public func isTagetViewController() -> Bool {
// Function to determine the target ViewController
// Please to override it if necessary
return true
}
public func track(trackAction: TrackAction) {
// function is for tracking
// Please to override it if necessary
}
struct LeftPanState {
static var frameAtStartOfPan: CGRect = CGRectZero
static var startPointOfPan: CGPoint = CGPointZero
static var wasOpenAtStartOfPan: Bool = false
static var wasHiddenAtStartOfPan: Bool = false
static var lastState : UIGestureRecognizerState = .Ended
}
func handleLeftPanGesture(panGesture: UIPanGestureRecognizer) {
if !isTagetViewController() {
return
}
if isRightOpen() {
return
}
switch panGesture.state {
case UIGestureRecognizerState.Began:
if LeftPanState.lastState != .Ended && LeftPanState.lastState != .Cancelled && LeftPanState.lastState != .Failed {
return
}
if isLeftHidden() {
self.delegate?.leftWillOpen?()
} else {
self.delegate?.leftWillClose?()
}
LeftPanState.frameAtStartOfPan = leftContainerView.frame
LeftPanState.startPointOfPan = panGesture.locationInView(view)
LeftPanState.wasOpenAtStartOfPan = isLeftOpen()
LeftPanState.wasHiddenAtStartOfPan = isLeftHidden()
leftViewController?.beginAppearanceTransition(LeftPanState.wasHiddenAtStartOfPan, animated: true)
addShadowToView(leftContainerView)
setOpenWindowLevel()
case UIGestureRecognizerState.Changed:
if LeftPanState.lastState != .Began && LeftPanState.lastState != .Changed {
return
}
let translation: CGPoint = panGesture.translationInView(panGesture.view!)
leftContainerView.frame = applyLeftTranslation(translation, toFrame: LeftPanState.frameAtStartOfPan)
applyLeftOpacity()
applyLeftContentViewScale()
case UIGestureRecognizerState.Ended, UIGestureRecognizerState.Cancelled:
if LeftPanState.lastState != .Changed {
return
}
let velocity:CGPoint = panGesture.velocityInView(panGesture.view)
let panInfo: PanInfo = panLeftResultInfoForVelocity(velocity)
if panInfo.action == .Open {
if !LeftPanState.wasHiddenAtStartOfPan {
leftViewController?.beginAppearanceTransition(true, animated: true)
}
openLeftWithVelocity(panInfo.velocity)
track(.LeftFlickOpen)
} else {
if LeftPanState.wasHiddenAtStartOfPan {
leftViewController?.beginAppearanceTransition(false, animated: true)
}
closeLeftWithVelocity(panInfo.velocity)
setCloseWindowLebel()
track(.LeftFlickClose)
}
case UIGestureRecognizerState.Failed, UIGestureRecognizerState.Possible:
break
}
LeftPanState.lastState = panGesture.state
}
struct RightPanState {
static var frameAtStartOfPan: CGRect = CGRectZero
static var startPointOfPan: CGPoint = CGPointZero
static var wasOpenAtStartOfPan: Bool = false
static var wasHiddenAtStartOfPan: Bool = false
static var lastState : UIGestureRecognizerState = .Ended
}
func handleRightPanGesture(panGesture: UIPanGestureRecognizer) {
if !isTagetViewController() {
return
}
if isLeftOpen() {
return
}
switch panGesture.state {
case UIGestureRecognizerState.Began:
if RightPanState.lastState != .Ended && RightPanState.lastState != .Cancelled && RightPanState.lastState != .Failed {
return
}
if isRightHidden() {
self.delegate?.rightWillOpen?()
} else {
self.delegate?.rightWillClose?()
}
RightPanState.frameAtStartOfPan = rightContainerView.frame
RightPanState.startPointOfPan = panGesture.locationInView(view)
RightPanState.wasOpenAtStartOfPan = isRightOpen()
RightPanState.wasHiddenAtStartOfPan = isRightHidden()
rightViewController?.beginAppearanceTransition(RightPanState.wasHiddenAtStartOfPan, animated: true)
addShadowToView(rightContainerView)
setOpenWindowLevel()
case UIGestureRecognizerState.Changed:
if RightPanState.lastState != .Began && RightPanState.lastState != .Changed {
return
}
let translation: CGPoint = panGesture.translationInView(panGesture.view!)
rightContainerView.frame = applyRightTranslation(translation, toFrame: RightPanState.frameAtStartOfPan)
applyRightOpacity()
applyRightContentViewScale()
case UIGestureRecognizerState.Ended, UIGestureRecognizerState.Cancelled:
if RightPanState.lastState != .Changed {
return
}
let velocity: CGPoint = panGesture.velocityInView(panGesture.view)
let panInfo: PanInfo = panRightResultInfoForVelocity(velocity)
if panInfo.action == .Open {
if !RightPanState.wasHiddenAtStartOfPan {
rightViewController?.beginAppearanceTransition(true, animated: true)
}
openRightWithVelocity(panInfo.velocity)
track(.RightFlickOpen)
} else {
if RightPanState.wasHiddenAtStartOfPan {
rightViewController?.beginAppearanceTransition(false, animated: true)
}
closeRightWithVelocity(panInfo.velocity)
setCloseWindowLebel()
track(.RightFlickClose)
}
case UIGestureRecognizerState.Failed, UIGestureRecognizerState.Possible:
break
}
RightPanState.lastState = panGesture.state
}
public func openLeftWithVelocity(velocity: CGFloat) {
let xOrigin: CGFloat = leftContainerView.frame.origin.x
let finalXOrigin: CGFloat = 0.0
var frame = leftContainerView.frame;
frame.origin.x = finalXOrigin;
var duration: NSTimeInterval = Double(SlideMenuOptions.animationDuration)
if velocity != 0.0 {
duration = Double(fabs(xOrigin - finalXOrigin) / velocity)
duration = Double(fmax(0.1, fmin(1.0, duration)))
}
addShadowToView(leftContainerView)
UIView.animateWithDuration(duration, delay: 0.0, options: UIViewAnimationOptions.CurveEaseInOut, animations: { [weak self]() -> Void in
if let strongSelf = self {
strongSelf.leftContainerView.frame = frame
strongSelf.opacityView.layer.opacity = Float(SlideMenuOptions.contentViewOpacity)
strongSelf.mainContainerView.transform = CGAffineTransformMakeScale(SlideMenuOptions.contentViewScale, SlideMenuOptions.contentViewScale)
}
}) { [weak self](Bool) -> Void in
if let strongSelf = self {
strongSelf.disableContentInteraction()
strongSelf.leftViewController?.endAppearanceTransition()
strongSelf.delegate?.leftDidOpen?()
}
}
}
public func openRightWithVelocity(velocity: CGFloat) {
let xOrigin: CGFloat = rightContainerView.frame.origin.x
// CGFloat finalXOrigin = SlideMenuOptions.rightViewOverlapWidth;
let finalXOrigin: CGFloat = CGRectGetWidth(view.bounds) - rightContainerView.frame.size.width
var frame = rightContainerView.frame
frame.origin.x = finalXOrigin
var duration: NSTimeInterval = Double(SlideMenuOptions.animationDuration)
if velocity != 0.0 {
duration = Double(fabs(xOrigin - CGRectGetWidth(view.bounds)) / velocity)
duration = Double(fmax(0.1, fmin(1.0, duration)))
}
addShadowToView(rightContainerView)
UIView.animateWithDuration(duration, delay: 0.0, options: UIViewAnimationOptions.CurveEaseInOut, animations: { [weak self]() -> Void in
if let strongSelf = self {
strongSelf.rightContainerView.frame = frame
strongSelf.opacityView.layer.opacity = Float(SlideMenuOptions.contentViewOpacity)
strongSelf.mainContainerView.transform = CGAffineTransformMakeScale(SlideMenuOptions.contentViewScale, SlideMenuOptions.contentViewScale)
}
}) { [weak self](Bool) -> Void in
if let strongSelf = self {
strongSelf.disableContentInteraction()
strongSelf.rightViewController?.endAppearanceTransition()
strongSelf.delegate?.rightDidOpen?()
}
}
}
public func closeLeftWithVelocity(velocity: CGFloat) {
let xOrigin: CGFloat = leftContainerView.frame.origin.x
let finalXOrigin: CGFloat = leftMinOrigin()
var frame: CGRect = leftContainerView.frame;
frame.origin.x = finalXOrigin
var duration: NSTimeInterval = Double(SlideMenuOptions.animationDuration)
if velocity != 0.0 {
duration = Double(fabs(xOrigin - finalXOrigin) / velocity)
duration = Double(fmax(0.1, fmin(1.0, duration)))
}
UIView.animateWithDuration(duration, delay: 0.0, options: UIViewAnimationOptions.CurveEaseInOut, animations: { [weak self]() -> Void in
if let strongSelf = self {
strongSelf.leftContainerView.frame = frame
strongSelf.opacityView.layer.opacity = 0.0
strongSelf.mainContainerView.transform = CGAffineTransformMakeScale(1.0, 1.0)
}
}) { [weak self](Bool) -> Void in
if let strongSelf = self {
strongSelf.removeShadow(strongSelf.leftContainerView)
strongSelf.enableContentInteraction()
strongSelf.leftViewController?.endAppearanceTransition()
strongSelf.delegate?.leftDidClose?()
}
}
}
public func closeRightWithVelocity(velocity: CGFloat) {
let xOrigin: CGFloat = rightContainerView.frame.origin.x
let finalXOrigin: CGFloat = CGRectGetWidth(view.bounds)
var frame: CGRect = rightContainerView.frame
frame.origin.x = finalXOrigin
var duration: NSTimeInterval = Double(SlideMenuOptions.animationDuration)
if velocity != 0.0 {
duration = Double(fabs(xOrigin - CGRectGetWidth(view.bounds)) / velocity)
duration = Double(fmax(0.1, fmin(1.0, duration)))
}
UIView.animateWithDuration(duration, delay: 0.0, options: UIViewAnimationOptions.CurveEaseInOut, animations: { [weak self]() -> Void in
if let strongSelf = self {
strongSelf.rightContainerView.frame = frame
strongSelf.opacityView.layer.opacity = 0.0
strongSelf.mainContainerView.transform = CGAffineTransformMakeScale(1.0, 1.0)
}
}) { [weak self](Bool) -> Void in
if let strongSelf = self {
strongSelf.removeShadow(strongSelf.rightContainerView)
strongSelf.enableContentInteraction()
strongSelf.rightViewController?.endAppearanceTransition()
strongSelf.delegate?.rightDidClose?()
}
}
}
public override func toggleLeft() {
if isLeftOpen() {
closeLeft()
setCloseWindowLebel()
// Tracking of close tap is put in here. Because closeMenu is due to be call even when the menu tap.
track(.LeftTapClose)
} else {
openLeft()
}
}
public func isLeftOpen() -> Bool {
return leftContainerView.frame.origin.x == 0.0
}
public func isLeftHidden() -> Bool {
return leftContainerView.frame.origin.x <= leftMinOrigin()
}
public override func toggleRight() {
if isRightOpen() {
closeRight()
setCloseWindowLebel()
// Tracking of close tap is put in here. Because closeMenu is due to be call even when the menu tap.
track(.RightTapClose)
} else {
openRight()
}
}
public func isRightOpen() -> Bool {
return rightContainerView.frame.origin.x == CGRectGetWidth(view.bounds) - rightContainerView.frame.size.width
}
public func isRightHidden() -> Bool {
return rightContainerView.frame.origin.x >= CGRectGetWidth(view.bounds)
}
public func changeMainViewController(mainViewController: UIViewController, close: Bool) {
removeViewController(self.mainViewController)
self.mainViewController = mainViewController
setUpViewController(mainContainerView, targetViewController: mainViewController)
if (close) {
closeLeft()
closeRight()
}
}
public func changeLeftViewWidth(width: CGFloat) {
SlideMenuOptions.leftViewWidth = width;
var leftFrame: CGRect = view.bounds
leftFrame.size.width = width
leftFrame.origin.x = leftMinOrigin();
let leftOffset: CGFloat = 0
leftFrame.origin.y = leftFrame.origin.y + leftOffset
leftFrame.size.height = leftFrame.size.height - leftOffset
leftContainerView.frame = leftFrame;
}
public func changeRightViewWidth(width: CGFloat) {
SlideMenuOptions.rightBezelWidth = width;
var rightFrame: CGRect = view.bounds
rightFrame.size.width = width
rightFrame.origin.x = rightMinOrigin()
let rightOffset: CGFloat = 0
rightFrame.origin.y = rightFrame.origin.y + rightOffset;
rightFrame.size.height = rightFrame.size.height - rightOffset
rightContainerView.frame = rightFrame;
}
public func changeLeftViewController(leftViewController: UIViewController, closeLeft:Bool) {
removeViewController(self.leftViewController)
self.leftViewController = leftViewController
setUpViewController(leftContainerView, targetViewController: leftViewController)
if closeLeft {
self.closeLeft()
}
}
public func changeRightViewController(rightViewController: UIViewController, closeRight:Bool) {
removeViewController(self.rightViewController)
self.rightViewController = rightViewController;
setUpViewController(rightContainerView, targetViewController: rightViewController)
if closeRight {
self.closeRight()
}
}
private func leftMinOrigin() -> CGFloat {
return -SlideMenuOptions.leftViewWidth
}
private func rightMinOrigin() -> CGFloat {
return CGRectGetWidth(view.bounds)
}
private func panLeftResultInfoForVelocity(velocity: CGPoint) -> PanInfo {
let thresholdVelocity: CGFloat = 1000.0
let pointOfNoReturn: CGFloat = CGFloat(floor(leftMinOrigin())) + SlideMenuOptions.pointOfNoReturnWidth
let leftOrigin: CGFloat = leftContainerView.frame.origin.x
var panInfo: PanInfo = PanInfo(action: .Close, shouldBounce: false, velocity: 0.0)
panInfo.action = leftOrigin <= pointOfNoReturn ? .Close : .Open;
if velocity.x >= thresholdVelocity {
panInfo.action = .Open
panInfo.velocity = velocity.x
} else if velocity.x <= (-1.0 * thresholdVelocity) {
panInfo.action = .Close
panInfo.velocity = velocity.x
}
return panInfo
}
private func panRightResultInfoForVelocity(velocity: CGPoint) -> PanInfo {
let thresholdVelocity: CGFloat = -1000.0
let pointOfNoReturn: CGFloat = CGFloat(floor(CGRectGetWidth(view.bounds)) - SlideMenuOptions.pointOfNoReturnWidth)
let rightOrigin: CGFloat = rightContainerView.frame.origin.x
var panInfo: PanInfo = PanInfo(action: .Close, shouldBounce: false, velocity: 0.0)
panInfo.action = rightOrigin >= pointOfNoReturn ? .Close : .Open
if velocity.x <= thresholdVelocity {
panInfo.action = .Open
panInfo.velocity = velocity.x
} else if (velocity.x >= (-1.0 * thresholdVelocity)) {
panInfo.action = .Close
panInfo.velocity = velocity.x
}
return panInfo
}
private func applyLeftTranslation(translation: CGPoint, toFrame:CGRect) -> CGRect {
var newOrigin: CGFloat = toFrame.origin.x
newOrigin += translation.x
let minOrigin: CGFloat = leftMinOrigin()
let maxOrigin: CGFloat = 0.0
var newFrame: CGRect = toFrame
if newOrigin < minOrigin {
newOrigin = minOrigin
} else if newOrigin > maxOrigin {
newOrigin = maxOrigin
}
newFrame.origin.x = newOrigin
return newFrame
}
private func applyRightTranslation(translation: CGPoint, toFrame: CGRect) -> CGRect {
var newOrigin: CGFloat = toFrame.origin.x
newOrigin += translation.x
let minOrigin: CGFloat = rightMinOrigin()
let maxOrigin: CGFloat = rightMinOrigin() - rightContainerView.frame.size.width
var newFrame: CGRect = toFrame
if newOrigin > minOrigin {
newOrigin = minOrigin
} else if newOrigin < maxOrigin {
newOrigin = maxOrigin
}
newFrame.origin.x = newOrigin
return newFrame
}
private func getOpenedLeftRatio() -> CGFloat {
let width: CGFloat = leftContainerView.frame.size.width
let currentPosition: CGFloat = leftContainerView.frame.origin.x - leftMinOrigin()
return currentPosition / width
}
private func getOpenedRightRatio() -> CGFloat {
let width: CGFloat = rightContainerView.frame.size.width
let currentPosition: CGFloat = rightContainerView.frame.origin.x
return -(currentPosition - CGRectGetWidth(view.bounds)) / width
}
private func applyLeftOpacity() {
let openedLeftRatio: CGFloat = getOpenedLeftRatio()
let opacity: CGFloat = SlideMenuOptions.contentViewOpacity * openedLeftRatio
opacityView.layer.opacity = Float(opacity)
}
private func applyRightOpacity() {
let openedRightRatio: CGFloat = getOpenedRightRatio()
let opacity: CGFloat = SlideMenuOptions.contentViewOpacity * openedRightRatio
opacityView.layer.opacity = Float(opacity)
}
private func applyLeftContentViewScale() {
let openedLeftRatio: CGFloat = getOpenedLeftRatio()
let scale: CGFloat = 1.0 - ((1.0 - SlideMenuOptions.contentViewScale) * openedLeftRatio);
mainContainerView.transform = CGAffineTransformMakeScale(scale, scale)
}
private func applyRightContentViewScale() {
let openedRightRatio: CGFloat = getOpenedRightRatio()
let scale: CGFloat = 1.0 - ((1.0 - SlideMenuOptions.contentViewScale) * openedRightRatio)
mainContainerView.transform = CGAffineTransformMakeScale(scale, scale)
}
private func addShadowToView(targetContainerView: UIView) {
targetContainerView.layer.masksToBounds = false
targetContainerView.layer.shadowOffset = SlideMenuOptions.shadowOffset
targetContainerView.layer.shadowOpacity = Float(SlideMenuOptions.shadowOpacity)
targetContainerView.layer.shadowRadius = SlideMenuOptions.shadowRadius
targetContainerView.layer.shadowPath = UIBezierPath(rect: targetContainerView.bounds).CGPath
}
private func removeShadow(targetContainerView: UIView) {
targetContainerView.layer.masksToBounds = true
mainContainerView.layer.opacity = 1.0
}
private func removeContentOpacity() {
opacityView.layer.opacity = 0.0
}
private func addContentOpacity() {
opacityView.layer.opacity = Float(SlideMenuOptions.contentViewOpacity)
}
private func disableContentInteraction() {
mainContainerView.userInteractionEnabled = false
}
private func enableContentInteraction() {
mainContainerView.userInteractionEnabled = true
}
private func setOpenWindowLevel() {
if (SlideMenuOptions.hideStatusBar) {
dispatch_async(dispatch_get_main_queue(), {
if let window = UIApplication.sharedApplication().keyWindow {
window.windowLevel = UIWindowLevelStatusBar + 1
}
})
}
}
private func setCloseWindowLebel() {
if (SlideMenuOptions.hideStatusBar) {
dispatch_async(dispatch_get_main_queue(), {
if let window = UIApplication.sharedApplication().keyWindow {
window.windowLevel = UIWindowLevelNormal
}
})
}
}
private func setUpViewController(targetView: UIView, targetViewController: UIViewController?) {
if let viewController = targetViewController {
addChildViewController(viewController)
viewController.view.frame = targetView.bounds
targetView.addSubview(viewController.view)
viewController.didMoveToParentViewController(self)
}
}
private func removeViewController(viewController: UIViewController?) {
if let _viewController = viewController {
_viewController.view.layer.removeAllAnimations()
_viewController.willMoveToParentViewController(nil)
_viewController.view.removeFromSuperview()
_viewController.removeFromParentViewController()
}
}
public func closeLeftNonAnimation(){
setCloseWindowLebel()
let finalXOrigin: CGFloat = leftMinOrigin()
var frame: CGRect = leftContainerView.frame;
frame.origin.x = finalXOrigin
leftContainerView.frame = frame
opacityView.layer.opacity = 0.0
mainContainerView.transform = CGAffineTransformMakeScale(1.0, 1.0)
removeShadow(leftContainerView)
enableContentInteraction()
}
public func closeRightNonAnimation(){
setCloseWindowLebel()
let finalXOrigin: CGFloat = CGRectGetWidth(view.bounds)
var frame: CGRect = rightContainerView.frame
frame.origin.x = finalXOrigin
rightContainerView.frame = frame
opacityView.layer.opacity = 0.0
mainContainerView.transform = CGAffineTransformMakeScale(1.0, 1.0)
removeShadow(rightContainerView)
enableContentInteraction()
}
// MARK: UIGestureRecognizerDelegate
public func gestureRecognizer(gestureRecognizer: UIGestureRecognizer, shouldReceiveTouch touch: UITouch) -> Bool {
let point: CGPoint = touch.locationInView(view)
if gestureRecognizer == leftPanGesture {
return slideLeftForGestureRecognizer(gestureRecognizer, point: point)
} else if gestureRecognizer == rightPanGesture {
return slideRightViewForGestureRecognizer(gestureRecognizer, withTouchPoint: point)
} else if gestureRecognizer == leftTapGesture {
return isLeftOpen() && !isPointContainedWithinLeftRect(point)
} else if gestureRecognizer == rightTapGesture {
return isRightOpen() && !isPointContainedWithinRightRect(point)
}
return true
}
// returning true here helps if the main view is fullwidth with a scrollview
public func gestureRecognizer(gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWithGestureRecognizer otherGestureRecognizer: UIGestureRecognizer) -> Bool {
return SlideMenuOptions.simultaneousGestureRecognizers
}
private func slideLeftForGestureRecognizer( gesture: UIGestureRecognizer, point:CGPoint) -> Bool{
return isLeftOpen() || SlideMenuOptions.panFromBezel && isLeftPointContainedWithinBezelRect(point)
}
private func isLeftPointContainedWithinBezelRect(point: CGPoint) -> Bool{
if let bezelWidth = SlideMenuOptions.leftBezelWidth {
var leftBezelRect: CGRect = CGRectZero
var tempRect: CGRect = CGRectZero
CGRectDivide(view.bounds, &leftBezelRect, &tempRect, bezelWidth, CGRectEdge.MinXEdge)
return CGRectContainsPoint(leftBezelRect, point)
} else {
return true
}
}
private func isPointContainedWithinLeftRect(point: CGPoint) -> Bool {
return CGRectContainsPoint(leftContainerView.frame, point)
}
private func slideRightViewForGestureRecognizer(gesture: UIGestureRecognizer, withTouchPoint point: CGPoint) -> Bool {
return isRightOpen() || SlideMenuOptions.rightPanFromBezel && isRightPointContainedWithinBezelRect(point)
}
private func isRightPointContainedWithinBezelRect(point: CGPoint) -> Bool {
if let rightBezelWidth = SlideMenuOptions.rightBezelWidth {
var rightBezelRect: CGRect = CGRectZero
var tempRect: CGRect = CGRectZero
let bezelWidth: CGFloat = CGRectGetWidth(view.bounds) - rightBezelWidth
CGRectDivide(view.bounds, &tempRect, &rightBezelRect, bezelWidth, CGRectEdge.MinXEdge)
return CGRectContainsPoint(rightBezelRect, point)
} else {
return true
}
}
private func isPointContainedWithinRightRect(point: CGPoint) -> Bool {
return CGRectContainsPoint(rightContainerView.frame, point)
}
}
extension UIViewController {
public func slideMenuController() -> SlideMenuController? {
var viewController: UIViewController? = self
while viewController != nil {
if viewController is SlideMenuController {
return viewController as? SlideMenuController
}
viewController = viewController?.parentViewController
}
return nil;
}
public func addLeftBarButtonWithImage(buttonImage: UIImage) {
let leftButton: UIBarButtonItem = UIBarButtonItem(image: buttonImage, style: UIBarButtonItemStyle.Plain, target: self, action: "toggleLeft")
navigationItem.leftBarButtonItem = leftButton;
}
public func addRightBarButtonWithImage(buttonImage: UIImage) {
let rightButton: UIBarButtonItem = UIBarButtonItem(image: buttonImage, style: UIBarButtonItemStyle.Plain, target: self, action: "toggleRight")