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@ -8,12 +8,14 @@
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import UIKit
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import RxSwift
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import RxCocoa
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import DZNEmptyDataSet
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import SVProgressHUD
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class ViewController: UIViewController, Navigatable {
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var viewModel: ViewModel?
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var navigator: Navigator!
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init(viewModel: ViewModel?, navigator: Navigator) {
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self.viewModel = viewModel
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self.navigator = navigator
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@ -23,13 +25,10 @@ class ViewController: UIViewController, Navigatable {
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required init?(coder aDecoder: NSCoder) {
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super.init(nibName: nil, bundle: nil)
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}
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// let isLoading = BehaviorRelay(value: false)
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// let error = PublishSubject<ApiError>()
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let isLoading = BehaviorRelay(value: false)
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let error = PublishSubject<ApiError>()
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var automaticallyAdjustsLeftBarButtonItem = true
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var canOpenFlex = true
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@ -41,31 +40,40 @@ class ViewController: UIViewController, Navigatable {
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let spaceBarButton = UIBarButtonItem(barButtonSystemItem: UIBarButtonItem.SystemItem.flexibleSpace, target: nil, action: nil)
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lazy var backBarButton: UIBarButtonItem = {
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let button = UIButton.init()
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button.imageEdgeInsets = UIEdgeInsets.init(top: 0, left: -10, bottom: 0, right: 0)
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button.setTitleColor(UIColor(red: 0.25, green: 0.25, blue: 0.25, alpha: 1.00), for: .normal)
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button.setImage(UIImage(named:"nav_back_btn"), for: .normal)
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button.addTarget(self, action: #selector(backAction), for: .touchUpInside)
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let leftBarBtn = UIBarButtonItem(customView: button)
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return leftBarBtn
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}()
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let emptyDataSetButtonTap = PublishSubject<Void>()
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var emptyDataSetTitle = ""
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var emptyDataSetDescription = ""
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var emptyDataSetImage = UIImage.init(named: "")
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var emptyDataSetImageTintColor = BehaviorRelay<UIColor?>(value: nil)
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let languageChanged = BehaviorRelay<Void>(value: ())
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let orientationEvent = PublishSubject<Void>()
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let motionShakeEvent = PublishSubject<Void>()
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lazy var backBarButton: BarButtonItem = {
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let view = BarButtonItem()
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view.title = ""
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return view
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}()
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lazy var closeBarButton: BarButtonItem = {
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let view = BarButtonItem(image: UIImage.init(named: ""),
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style: .plain,
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target: self,
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action: nil)
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return view
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}()
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lazy var contentView: View = {
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let view = View()
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// view.hero.id = "CententView"
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self.view.addSubview(view)
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view.snp.makeConstraints { (make) in
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make.edges.equalTo(self.view)
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make.edges.equalTo(self.view.safeAreaLayoutGuide)
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}
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return view
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}()
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override public func viewDidLoad() {
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super.viewDidLoad()
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@ -74,9 +82,18 @@ class ViewController: UIViewController, Navigatable {
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makeUI()
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bindViewModel()
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// Observe device orientation change
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closeBarButton.rx.tap.asObservable().subscribe(onNext: { [weak self] () in
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self?.navigator.dismiss(sender: self)
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}).disposed(by: rx.disposeBag)
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NotificationCenter.default
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.rx.notification(UIDevice.orientationDidChangeNotification).mapToVoid()
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.bind(to: orientationEvent).disposed(by: rx.disposeBag)
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orientationEvent.subscribe { [weak self] (event) in
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self?.orientationChanged()
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}.disposed(by: rx.disposeBag)
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// Observe application did become active notification
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NotificationCenter.default
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.rx.notification(UIApplication.didBecomeActiveNotification)
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.subscribe { [weak self] (event) in
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@ -86,7 +103,7 @@ class ViewController: UIViewController, Navigatable {
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NotificationCenter.default
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.rx.notification(UIAccessibility.reduceMotionStatusDidChangeNotification)
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.subscribe(onNext: { (event) in
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// logDebug("Motion Status changed")
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logDebug("Motion Status changed")
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}).disposed(by: rx.disposeBag)
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@ -94,63 +111,91 @@ class ViewController: UIViewController, Navigatable {
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public override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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if automaticallyAdjustsLeftBarButtonItem {
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adjustLeftBarButtonItem()
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}
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updateUI()
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}
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public override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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updateUI()
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logResourcesCount()
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}
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deinit {
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logDebug("\(type(of: self)): Deinited")
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logResourcesCount()
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}
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override public func didReceiveMemoryWarning() {
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super.didReceiveMemoryWarning()
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// Dispose of any resources that can be recreated.
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logDebug("\(type(of: self)): Received Memory Warning")
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}
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func makeUI() {
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//用于消除左边空隙，要不然按钮顶不到最前面
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// let spacer = UIBarButtonItem(barButtonSystemItem: .fixedSpace, target: nil,
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// action: nil)
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// spacer.width = -10
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// self.navigationItem.leftBarButtonItems = [spacer, backBarButton]
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view.backgroundColor = .white
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// navigationItem.leftBarButtonItem = backBarButton
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navigationItem.backBarButtonItem = backBarButton
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updateUI()
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}
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func bindViewModel() {
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// viewModel?.loading.asObservable().bind(to: isLoading).disposed(by: rx.disposeBag)
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viewModel?.parsedError.asObservable().bind(to: error).disposed(by: rx.disposeBag)
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languageChanged.subscribe(onNext: { [weak self] () in
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self?.emptyDataSetTitle = ""
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}).disposed(by: rx.disposeBag)
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isLoading.subscribe(onNext: { isLoading in
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// UIApplication.shared.isNetworkActivityIndicatorVisible = isLoading
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}).disposed(by: rx.disposeBag)
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}
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func updateUI() {
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}
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func startAnimating() {
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SVProgressHUD.show()
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}
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override func viewDidLayoutSubviews() {
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super.viewDidLayoutSubviews()
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func stopAnimating() {
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SVProgressHUD.dismiss()
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}
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override func motionEnded(_ motion: UIEvent.EventSubtype, with event: UIEvent?) {
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if motion == .motionShake {
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motionShakeEvent.onNext(())
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}
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}
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func orientationChanged() {
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DispatchQueue.main.asyncAfter(deadline: .now() + 0.3) {
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self.updateUI()
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}
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}
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func didBecomeActive() {
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self.updateUI()
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}
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// MARK: Adjusting Navigation Item
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func adjustLeftBarButtonItem() {
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if self.navigationController?.viewControllers.count ?? 0 > 1 { // Pushed
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self.navigationItem.leftBarButtonItem = nil
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} else if self.presentingViewController != nil { // presented
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self.navigationItem.leftBarButtonItem = closeBarButton
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}
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}
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@objc func closeAction(sender: AnyObject) {
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self.dismiss(animated: true, completion: nil)
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}
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@objc func backAction() {
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self.navigationController?.popViewController(animated: true)
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}
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}
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extension ViewController {
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@ -167,14 +212,47 @@ extension ViewController {
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return view
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}
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}
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extension Reactive where Base: ViewController {
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extension ViewController: DZNEmptyDataSetSource {
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/// Bindable sink for `backgroundColor` property
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var emptyDataSetImageTintColorBinder: Binder<UIColor?> {
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return Binder(self.base) { view, attr in
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// view.emptyDataSetImageTintColor.accept(attr)
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}
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func title(forEmptyDataSet scrollView: UIScrollView!) -> NSAttributedString! {
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return NSAttributedString(string: emptyDataSetTitle)
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}
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func description(forEmptyDataSet scrollView: UIScrollView!) -> NSAttributedString! {
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return NSAttributedString(string: emptyDataSetDescription)
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}
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func image(forEmptyDataSet scrollView: UIScrollView!) -> UIImage! {
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return emptyDataSetImage
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}
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func imageTintColor(forEmptyDataSet scrollView: UIScrollView!) -> UIColor! {
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return emptyDataSetImageTintColor.value
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}
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func backgroundColor(forEmptyDataSet scrollView: UIScrollView!) -> UIColor! {
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return .clear
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}
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func verticalOffset(forEmptyDataSet scrollView: UIScrollView!) -> CGFloat {
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return -60
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}
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}
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extension ViewController: DZNEmptyDataSetDelegate {
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func emptyDataSetShouldDisplay(_ scrollView: UIScrollView!) -> Bool {
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return !isLoading.value
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}
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func emptyDataSetShouldAllowScroll(_ scrollView: UIScrollView!) -> Bool {
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return true
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}
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func emptyDataSet(_ scrollView: UIScrollView!, didTap button: UIButton!) {
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emptyDataSetButtonTap.onNext(())
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}
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}
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