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@@ -1,408 +0,0 @@
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-import UIKit
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-@objc public protocol JXPagingViewListViewDelegate: NSObjectProtocol {
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- func listView() -> UIView
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- func listScrollView() -> UIScrollView
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- func listViewDidScrollCallback(callback: @escaping (UIScrollView)->())
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- @objc optional func listScrollViewWillResetContentOffset()
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- @objc optional func listDidAppear()
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- @objc optional func listDidDisappear()
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-}
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-@objc public protocol JXPagingViewDelegate: NSObjectProtocol {
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- func tableHeaderViewHeight(in pagingView: JXPagingView) -> Int
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- func tableHeaderView(in pagingView: JXPagingView) -> UIView
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- func heightForPinSectionHeader(in pagingView: JXPagingView) -> Int
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- func viewForPinSectionHeader(in pagingView: JXPagingView) -> UIView
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- func numberOfLists(in pagingView: JXPagingView) -> Int
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- func pagingView(_ pagingView: JXPagingView, initListAtIndex index: Int) -> JXPagingViewListViewDelegate
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- @objc optional func mainTableViewDidScroll(_ scrollView: UIScrollView)
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-}
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-
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-open class JXPagingView: UIView {
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- public weak var delegate: JXPagingViewDelegate!
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- open var mainTableView: JXPagingMainTableView!
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- open var listContainerView: JXPagingListContainerView!
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- public var validListDict = [Int:JXPagingViewListViewDelegate]()
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- open var pinSectionHeaderVerticalOffset: CGFloat = 0
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- public var isListHorizontalScrollEnabled = true {
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- didSet {
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- refreshListHorizontalScrollEnabledState()
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- }
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- }
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- open var automaticallyDisplayListVerticalScrollIndicator = true
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- public var currentScrollingListView: UIScrollView?
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- public var currentList: JXPagingViewListViewDelegate?
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- private var currentDeviceOrientation: UIDeviceOrientation?
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- private var currentIndex: Int = 0
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- private var retainedSelf: JXPagingView?
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- private var isWillRemoveFromWindow: Bool = false
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- private var isFirstMoveToWindow: Bool = true
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-
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- deinit {
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- NotificationCenter.default.removeObserver(self)
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- }
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-
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- public init(delegate: JXPagingViewDelegate) {
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- self.delegate = delegate
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- super.init(frame: CGRect.zero)
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-
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- initializeViews()
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- }
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-
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- @available(*, unavailable)
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- required public init?(coder aDecoder: NSCoder) {
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- fatalError("init(coder:) has not been implemented")
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- }
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-
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- open func initializeViews(){
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- mainTableView = JXPagingMainTableView(frame: CGRect.zero, style: .plain)
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- mainTableView.showsVerticalScrollIndicator = false
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- mainTableView.showsHorizontalScrollIndicator = false
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- mainTableView.separatorStyle = .none
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- mainTableView.dataSource = self
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- mainTableView.delegate = self
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- mainTableView.scrollsToTop = false
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- mainTableView.tableHeaderView = self.delegate.tableHeaderView(in: self)
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- mainTableView.register(UITableViewCell.classForCoder(), forCellReuseIdentifier: "cell")
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- addSubview(mainTableView)
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-
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- if #available(iOS 11.0, *) {
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- mainTableView.contentInsetAdjustmentBehavior = .never
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- }
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-
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- listContainerView = JXPagingListContainerView(delegate: self)
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- listContainerView.mainTableView = mainTableView
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-
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- refreshListHorizontalScrollEnabledState()
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-
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- self.currentDeviceOrientation = UIDevice.current.orientation
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- NotificationCenter.default.addObserver(self, selector: #selector(deviceOrientationDidChange(notification:)), name: UIDevice.orientationDidChangeNotification, object: nil)
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- }
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-
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- open override func willMove(toWindow newWindow: UIWindow?) {
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- if self.isFirstMoveToWindow {
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-
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- self.isFirstMoveToWindow = false
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- return
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- }
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-
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-
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- if newWindow == nil {
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- self.isWillRemoveFromWindow = true
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-
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- self.retainedSelf = self
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- self.perform(#selector(currentListDidDisappear), with: nil, afterDelay: 0.02)
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- }else {
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- if self.isWillRemoveFromWindow {
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- self.isWillRemoveFromWindow = false
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- NSObject.cancelPreviousPerformRequests(withTarget: self, selector: #selector(currentListDidDisappear), object: nil)
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- }else {
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- self.currentListDidAppear()
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- }
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- }
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- }
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-
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- override open func layoutSubviews() {
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- super.layoutSubviews()
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-
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- mainTableView.frame = self.bounds
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- }
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-
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- open func reloadData() {
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- self.currentList = nil
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- self.currentScrollingListView = nil
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-
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- for list in validListDict.values {
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- list.listView().removeFromSuperview()
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- }
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- validListDict.removeAll()
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-
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- self.mainTableView.tableHeaderView = self.delegate.tableHeaderView(in: self)
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- self.mainTableView.reloadData()
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- self.listContainerView.reloadData()
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- }
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-
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- open func preferredProcessListViewDidScroll(scrollView: UIScrollView) {
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- if (self.mainTableView.contentOffset.y < getMainTableViewMaxContentOffsetY()) {
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-
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- self.currentList?.listScrollViewWillResetContentOffset?()
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- currentScrollingListView!.contentOffset = CGPoint.zero
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- if automaticallyDisplayListVerticalScrollIndicator {
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- currentScrollingListView!.showsVerticalScrollIndicator = false
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- }
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- } else {
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-
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- self.mainTableView.contentOffset = CGPoint(x: 0, y: getMainTableViewMaxContentOffsetY())
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- if automaticallyDisplayListVerticalScrollIndicator {
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- currentScrollingListView!.showsVerticalScrollIndicator = true
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- }
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- }
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- }
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-
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- open func preferredProcessMainTableViewDidScroll(_ scrollView: UIScrollView) {
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- if (self.currentScrollingListView != nil && self.currentScrollingListView!.contentOffset.y > 0) {
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-
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- self.mainTableView.contentOffset = CGPoint(x: 0, y: getMainTableViewMaxContentOffsetY())
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- }
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-
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- if (self.mainTableView.contentOffset.y < getMainTableViewMaxContentOffsetY()) {
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-
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- for list in self.validListDict.values {
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- list.listScrollViewWillResetContentOffset?()
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- list.listScrollView().contentOffset = CGPoint.zero
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- }
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- }
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-
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- if scrollView.contentOffset.y > getMainTableViewMaxContentOffsetY() && self.currentScrollingListView?.contentOffset.y == 0 {
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-
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- self.mainTableView.contentOffset = CGPoint(x: 0, y: getMainTableViewMaxContentOffsetY())
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- }
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- }
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-
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-
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-
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- func refreshListHorizontalScrollEnabledState() {
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- listContainerView.collectionView.isScrollEnabled = isListHorizontalScrollEnabled
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- }
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-
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- func getMainTableViewMaxContentOffsetY() -> CGFloat {
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- return CGFloat(self.delegate.tableHeaderViewHeight(in: self)) - pinSectionHeaderVerticalOffset
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- }
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-
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- func getPinSectionHeaderHeight() -> CGFloat {
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- return CGFloat(self.delegate.heightForPinSectionHeader(in: self))
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- }
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-
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-
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- func listViewDidScroll(scrollView: UIScrollView) {
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- self.currentScrollingListView = scrollView
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-
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- preferredProcessListViewDidScroll(scrollView: scrollView)
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- }
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-
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- @objc func deviceOrientationDidChange(notification: Notification) {
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- if self.currentDeviceOrientation != UIDevice.current.orientation {
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- self.currentDeviceOrientation = UIDevice.current.orientation
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-
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- mainTableView.reloadData()
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- listContainerView.deviceOrientationDidChanged()
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- listContainerView.reloadData()
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- }
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- }
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-
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- @objc func currentListDidDisappear() {
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- let list = self.validListDict[self.currentIndex]
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- list?.listDidDisappear?()
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- self.isWillRemoveFromWindow = false
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- self.retainedSelf = nil
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- }
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-
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- func currentListDidAppear() {
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- self.listDidAppear(index: self.currentIndex)
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- }
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-
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- func listDidAppear(index: Int) {
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- let count = self.delegate.numberOfLists(in: self)
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- if count <= 0 || index >= count {
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- return
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- }
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- self.currentIndex = index
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- let list = self.validListDict[index]
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- list?.listDidAppear?()
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- }
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-
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- func listDidDisappear(index: Int) {
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- let count = self.delegate.numberOfLists(in: self)
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- if count <= 0 || index >= count {
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- return
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- }
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- self.currentIndex = index
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- let list = self.validListDict[index]
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- list?.listDidDisappear?()
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- }
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-}
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-
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-
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-extension JXPagingView: UITableViewDataSource, UITableViewDelegate {
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- public func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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- return 1
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- }
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-
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- public func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
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- return self.bounds.height - getPinSectionHeaderHeight() - pinSectionHeaderVerticalOffset
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- }
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-
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- public func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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- let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath)
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- for subview in cell.contentView.subviews {
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- subview.removeFromSuperview()
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- }
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- listContainerView.frame = cell.contentView.bounds
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- cell.contentView.addSubview(listContainerView)
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- return cell
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- }
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-
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- public func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
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- return getPinSectionHeaderHeight()
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- }
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-
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- public func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
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- return self.delegate.viewForPinSectionHeader(in: self)
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- }
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-
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-
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- public func tableView(_ tableView: UITableView, heightForFooterInSection section: Int) -> CGFloat {
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- return 1
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- }
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-
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- public func tableView(_ tableView: UITableView, viewForFooterInSection section: Int) -> UIView? {
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- let footerView = UIView(frame: CGRect.zero)
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- footerView.backgroundColor = UIColor.clear
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- return footerView
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- }
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-
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- public func scrollViewDidScroll(_ scrollView: UIScrollView) {
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-
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- if scrollView.isTracking && isListHorizontalScrollEnabled {
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- self.listContainerView.collectionView.isScrollEnabled = false
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- }
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-
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- if scrollView.contentOffset.y < pinSectionHeaderVerticalOffset && scrollView.contentOffset.y >= 0 {
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-
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- scrollView.contentInset = UIEdgeInsets(top: -scrollView.contentOffset.y, left: 0, bottom: 0, right: 0)
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- }else if scrollView.contentOffset.y > pinSectionHeaderVerticalOffset {
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-
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- scrollView.contentInset = UIEdgeInsets(top: pinSectionHeaderVerticalOffset, left: 0, bottom: 0, right: 0)
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- }
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-
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- preferredProcessMainTableViewDidScroll(scrollView)
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-
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- self.delegate.mainTableViewDidScroll?(scrollView)
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- }
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-
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- public func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) {
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- if isListHorizontalScrollEnabled {
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- self.listContainerView.collectionView.isScrollEnabled = true
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- }
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- }
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-
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- public func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
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- if isListHorizontalScrollEnabled {
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- self.listContainerView.collectionView.isScrollEnabled = true
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- }
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- }
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-
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- public func scrollViewDidEndScrollingAnimation(_ scrollView: UIScrollView) {
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- if isListHorizontalScrollEnabled {
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- self.listContainerView.collectionView.isScrollEnabled = true
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- }
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- }
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-}
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-
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-extension JXPagingView: JXPagingListContainerViewDelegate {
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- public func numberOfRows(in listContainerView: JXPagingListContainerView) -> Int {
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- return self.delegate.numberOfLists(in: self)
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- }
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- public func listContainerView(_ listContainerView: JXPagingListContainerView, viewForListInRow row: Int) -> UIView {
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- var list = validListDict[row]
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- if list == nil {
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- list = self.delegate.pagingView(self, initListAtIndex: row)
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- list?.listViewDidScrollCallback {[weak self, weak list] (scrollView) in
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- self?.currentList = list
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- self?.listViewDidScroll(scrollView: scrollView)
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- }
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- validListDict[row] = list!
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- }
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- for listItem in validListDict.values {
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- if listItem === list {
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- listItem.listScrollView().scrollsToTop = true
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- }else {
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- listItem.listScrollView().scrollsToTop = false
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- }
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- }
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- return list!.listView()
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- }
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-
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- public func listContainerView(_ listContainerView: JXPagingListContainerView, willDisplayCellAt row: Int) {
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- self.listDidAppear(index: row)
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- self.currentScrollingListView = validListDict[row]?.listScrollView()
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- }
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-
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- public func listContainerView(_ listContainerView: JXPagingListContainerView, didEndDisplayingCellAt row: Int) {
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- self.listDidDisappear(index: row)
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- }
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-}
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-
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-
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-
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南鑫林