Differential D244 Diff 871 Pods/AlertOnboarding/Pod/Classes/AlertPageViewController.swift

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Pods/AlertOnboarding/Pod/Classes/AlertPageViewController.swift

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				//
				// AlertPageViewController.swift
				// AlertOnboarding
				//
				// Created by Philippe on 26/09/2016.
				// Copyright 2016 CookMinute. All rights reserved.
				//

				import UIKit

				protocol AlertPageViewDelegate {
				func nextStep(_ step: Int)
				}

				class AlertPageViewController: UIViewController, UIPageViewControllerDataSource, UIPageViewControllerDelegate {

				//FOR DESIGN
				var pageController: UIPageViewController!
				var pageControl: UIPageControl!
				var alertview: AlertOnboarding!

				//FOR DATA
				var arrayOfImage: [String]!
				var arrayOfTitle: [String]!
				var arrayOfDescription: [String]!
				var viewControllers = [UIViewController]()

				//FOR TRACKING USER USAGE
				var currentStep = 0
				var maxStep = 0
				var isCompleted = false
				var delegate: AlertPageViewDelegate?


				init (arrayOfImage: [String], arrayOfTitle: [String], arrayOfDescription: [String], alertView: AlertOnboarding) {
				super.init(nibName: nil, bundle: nil)
				self.arrayOfImage = arrayOfImage
				self.arrayOfTitle = arrayOfTitle
				self.arrayOfDescription = arrayOfDescription
				self.alertview = alertView
				}

				required init(coder: NSCoder) {
				fatalError("NSCoding not supported")
				}

				override func viewDidLoad() {
				super.viewDidLoad()

				self.configurePageViewController()
				self.configurePageControl()

				self.view.backgroundColor = UIColor.clear
				self.view.addSubview(self.pageController.view)
				self.view.addSubview(self.pageControl)
				self.pageController.didMove(toParentViewController: self)
				}

				override func viewWillAppear(_ animated: Bool) {
				super.viewWillAppear(animated)
				}

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


				func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {
				Lint: Line Too Long Inline Actions This line is 148 characters long, but the convention is 120 characters. Lint: Line Too Long: This line is 148 characters long, but the convention is 120 characters.

				var index = (viewController as! AlertChildPageViewController).pageIndex!

				if(index == 0){
				return nil
				}

				index -= 1
				return self.viewControllerAtIndex(index)
				}

				func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {
				Lint: Line Too Long Inline Actions This line is 149 characters long, but the convention is 120 characters. Lint: Line Too Long: This line is 149 characters long, but the convention is 120 characters.

				var index = (viewController as! AlertChildPageViewController).pageIndex!

				index += 1

				if(index == arrayOfImage.count){
				return nil
				}

				return self.viewControllerAtIndex(index)
				}


				func viewControllerAtIndex(_ index : Int) -> UIViewController? {

				var pageContentViewController: AlertChildPageViewController!
				let podBundle = Bundle(for: self.classForCoder)

				//FROM COCOAPOD
				if let bundleURL = podBundle.url(forResource: "AlertOnboardingXib", withExtension: "bundle") {
				if let bundle = Bundle(url: bundleURL) {
				pageContentViewController = UINib(nibName: "AlertChildPageViewController", bundle: bundle).instantiate(withOwner: nil, options: nil)[0] as! AlertChildPageViewController
				Lint: Line Too Long Inline Actions This line is 184 characters long, but the convention is 120 characters. Lint: Line Too Long: This line is 184 characters long, but the convention is 120 characters.
				} else {
				assertionFailure("Could not load the bundle.. Please re-install AlertOnboarding via Cocoapod or install it manually.")
				Lint: Line Too Long Inline Actions This line is 134 characters long, but the convention is 120 characters. Lint: Line Too Long: This line is 134 characters long, but the convention is 120 characters.
				}
				//FROM MANUAL INSTALL
				}else {
				pageContentViewController = UINib(nibName: "AlertChildPageViewController", bundle: nil).instantiate(withOwner: nil, options: nil)[0] as! AlertChildPageViewController
				Lint: Line Too Long Inline Actions This line is 177 characters long, but the convention is 120 characters. Lint: Line Too Long: This line is 177 characters long, but the convention is 120 characters.
				}

				pageContentViewController.pageIndex = index // 0

				let realIndex = arrayOfImage.count - index - 1

				pageContentViewController.image.image = UIImage(named: arrayOfImage[realIndex])
				pageContentViewController.labelMainTitle.text = arrayOfTitle[realIndex]
				pageContentViewController.labelMainTitle.textColor = alertview.colorTitleLabel
				pageContentViewController.labelDescription.text = arrayOfDescription[realIndex]
				pageContentViewController.labelDescription.textColor = alertview.colorDescriptionLabel

				return pageContentViewController
				}

				func pageViewController(_ pageViewController: UIPageViewController, didFinishAnimating finished: Bool, previousViewControllers: [UIViewController], transitionCompleted completed: Bool) {
				Lint: Line Too Long Inline Actions This line is 190 characters long, but the convention is 120 characters. Lint: Line Too Long: This line is 190 characters long, but the convention is 120 characters.
				let pageContentViewController = pageViewController.viewControllers![0] as! AlertChildPageViewController
				let index = pageContentViewController.pageIndex
				self.currentStep = (arrayOfImage.count - index! - 1)
				self.delegate?.nextStep(self.currentStep)
				//Check if user watching the last step
				if currentStep == arrayOfImage.count - 1 {
				self.isCompleted = true
				}
				//Remember the last screen user have seen
				if currentStep > self.maxStep {
				self.maxStep = currentStep
				}
				if pageControl != nil {
				pageControl.currentPage = arrayOfImage.count - index! - 1
				if pageControl.currentPage == arrayOfImage.count - 1 {
				self.alertview.buttonBottom.setTitle(alertview.titleGotItButton, for: UIControlState())
				} else {
				self.alertview.buttonBottom.setTitle(alertview.titleSkipButton, for: UIControlState())
				}
				}
				}


				func presentationCount(for pageViewController: UIPageViewController) -> Int {
				return arrayOfImage.count
				}

				func presentationIndex(for pageViewController: UIPageViewController) -> Int {
				return 0
				}

				//MARK: CONFIGURATION ---------------------------------------------------------------------------------
				fileprivate func configurePageControl() {
				self.pageControl = UIPageControl(frame: CGRect(x: 0,y: 0,width: 0,height: 0))
				self.pageControl.backgroundColor = UIColor.clear
				self.pageControl.pageIndicatorTintColor = alertview.colorPageIndicator
				self.pageControl.currentPageIndicatorTintColor = alertview.colorCurrentPageIndicator
				self.pageControl.numberOfPages = arrayOfImage.count
				self.pageControl.currentPage = 0
				self.pageControl.isEnabled = false

				self.configureConstraintsForPageControl()
				}

				fileprivate func configurePageViewController(){
				self.pageController = UIPageViewController(transitionStyle: UIPageViewControllerTransitionStyle.scroll, navigationOrientation: UIPageViewControllerNavigationOrientation.horizontal, options: nil)
				Lint: Line Too Long Inline Actions This line is 202 characters long, but the convention is 120 characters. Lint: Line Too Long: This line is 202 characters long, but the convention is 120 characters.
				self.pageController.view.backgroundColor = UIColor.clear

				if #available(iOS 9.0, *) {
				let pageControl = UIPageControl.appearance(whenContainedInInstancesOf: [AlertPageViewController.self])
				pageControl.pageIndicatorTintColor = UIColor.clear
				pageControl.currentPageIndicatorTintColor = UIColor.clear

				} else {
				// Fallback on earlier versions
				}

				self.pageController.dataSource = self
				self.pageController.delegate = self

				let initialViewController = self.viewControllerAtIndex(arrayOfImage.count-1)
				self.viewControllers = [initialViewController!]
				self.pageController.setViewControllers(viewControllers, direction: .forward, animated: false, completion: nil)

				self.addChildViewController(self.pageController)
				}

				//MARK: Called after notification orientation changement
				func configureConstraintsForPageControl() {
				let alertViewSizeHeight = UIScreen.main.bounds.height*alertview.percentageRatioHeight
				let positionX = alertViewSizeHeight - (alertViewSizeHeight * 0.1) - 50
				self.pageControl.frame = CGRect(x: 0, y: positionX, width: self.view.bounds.width, height: 50)
				}
				}