iOS/Pods/FolioReaderKit/Source/PageViewController.swift

   1 //
   2 //  PageViewController.swift
   3 //  FolioReaderKit
   4 //
   5 //  Created by Heberti Almeida on 14/07/16.
   6 //  Copyright © 2016 FolioReader. All rights reserved.
   7 //
   8
   9 import UIKit
  10
  11 class PageViewController: UIPageViewController {
  12
  13     var segmentedControl: UISegmentedControl!
  14     var viewList = [UIViewController]()
  15     var segmentedControlItems = [String]()
  16     var viewControllerOne: UIViewController!
  17     var viewControllerTwo: UIViewController!
  18     var index: Int
  19     fileprivate var readerConfig: FolioReaderConfig
  20     fileprivate var folioReader: FolioReader
  21
  22     // MARK: Init
  23
  24     init(folioReader: FolioReader, readerConfig: FolioReaderConfig) {
  25         self.folioReader = folioReader
  26         self.readerConfig = readerConfig
  27         self.index = self.folioReader.currentMenuIndex
  28         super.init(transitionStyle: .scroll, navigationOrientation: .horizontal, options: nil)
  29
  30         self.edgesForExtendedLayout = UIRectEdge()
  31         self.extendedLayoutIncludesOpaqueBars = true
  32     }
  33
  34     required init?(coder: NSCoder) {
  35         fatalError("storyboards are incompatible with truth and beauty")
  36     }
  37
  38     override func viewDidLoad() {
  39         super.viewDidLoad()
  40
  41         segmentedControl = UISegmentedControl(items: segmentedControlItems)
  42         segmentedControl.addTarget(self, action: #selector(PageViewController.didSwitchMenu(_:)), for: UIControlEvents.valueChanged)
  43         segmentedControl.selectedSegmentIndex = index
  44         segmentedControl.setWidth(100, forSegmentAt: 0)
  45         segmentedControl.setWidth(100, forSegmentAt: 1)
  46         self.navigationItem.titleView = segmentedControl
  47
  48         viewList = [viewControllerOne, viewControllerTwo]
  49
  50         viewControllerOne.didMove(toParentViewController: self)
  51         viewControllerTwo.didMove(toParentViewController: self)
  52
  53         self.delegate = self
  54         self.dataSource = self
  55
  56         self.view.backgroundColor = UIColor.white
  57         self.setViewControllers([viewList[index]], direction: .forward, animated: false, completion: nil)
  58
  59         // FIXME: This disable scroll because of highlight swipe to delete, if you can fix this would be awesome
  60         for view in self.view.subviews {
  61             if view is UIScrollView {
  62                 let scroll = view as! UIScrollView
  63                 scroll.bounces = false
  64             }
  65         }
  66
  67         //PD: changed
  68         let greenColor = UIColor(red:0.00, green:0.51, blue:0.53, alpha:1.00)
  69         let tintColor = folioReader.isNight(greenColor, UIColor.white)
  70
  71         let closeImage = UIImage(readerImageNamed: "icon-navbar-close")?.imageTintColor(tintColor)?.withRenderingMode(.alwaysOriginal)// ignoreSystemTint(withConfiguration: readerConfig)
  72         self.navigationItem.leftBarButtonItem = UIBarButtonItem(image: closeImage, style: .plain, target: self, action: #selector(dismiss as () -> Void))
  73     }
  74
  75     override func viewWillAppear(_ animated: Bool) {
  76         super.viewWillAppear(animated)
  77         configureNavBar()
  78     }
  79
  80     //PD: changed
  81     func configureNavBar() {
  82
  83         let greenColor = UIColor(red:0.00, green:0.51, blue:0.53, alpha:1.00)
  84         let navBackground = folioReader.isNight(self.readerConfig.nightModeMenuBackground, greenColor)
  85         let tintColor = folioReader.isNight(greenColor, UIColor.white)
  86         let navText = tintColor
  87         let font = UIFont(name: "Avenir-Light", size: 17)!
  88         setTranslucentNavigation(color: navBackground, tintColor: tintColor, titleColor: navText, andFont: font)
  89     }
  90
  91     // MARK: - Segmented control changes
  92
  93     @objc func didSwitchMenu(_ sender: UISegmentedControl) {
  94         self.index = sender.selectedSegmentIndex
  95         let direction: UIPageViewControllerNavigationDirection = (index == 0 ? .reverse : .forward)
  96         setViewControllers([viewList[index]], direction: direction, animated: true, completion: nil)
  97         self.folioReader.currentMenuIndex = index
  98     }
  99
 100     // MARK: - Status Bar
 101
 102     //PD: changed
 103     override var preferredStatusBarStyle : UIStatusBarStyle {
 104         return .lightContent //self.folioReader.isNight(.lightContent, .default)
 105     }
 106 }
 107
 108 // MARK: UIPageViewControllerDelegate
 109
 110 extension PageViewController: UIPageViewControllerDelegate {
 111
 112     func pageViewController(_ pageViewController: UIPageViewController, didFinishAnimating finished: Bool, previousViewControllers: [UIViewController], transitionCompleted completed: Bool) {
 113
 114         if finished && completed {
 115             let viewController = pageViewController.viewControllers?.last
 116             segmentedControl.selectedSegmentIndex = viewList.index(of: viewController!)!
 117         }
 118     }
 119 }
 120
 121 // MARK: UIPageViewControllerDataSource
 122
 123 extension PageViewController: UIPageViewControllerDataSource {
 124
 125     func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {
 126
 127         let index = viewList.index(of: viewController)!
 128         if index == viewList.count - 1 {
 129             return nil
 130         }
 131
 132         self.index = self.index + 1
 133         return viewList[self.index]
 134     }
 135
 136     func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {
 137
 138         let index = viewList.index(of: viewController)!
 139         if index == 0 {
 140             return nil
 141         }
 142
 143         self.index = self.index - 1
 144         return viewList[self.index]
 145     }
 146 }
 147