Shin Yamamoto
1383 lines
51 KiB
Swift
1383 lines
51 KiB
Swift
//
|
|
// ViewController.swift
|
|
// FloatingModalSample
|
|
//
|
|
// Created by Shin Yamamoto on 2018/09/18.
|
|
// Copyright © 2018 Shin Yamamoto. All rights reserved.
|
|
//
|
|
|
|
import UIKit
|
|
import FloatingPanel
|
|
|
|
class SampleListViewController: UIViewController {
|
|
@IBOutlet weak var tableView: UITableView!
|
|
|
|
enum Menu: Int, CaseIterable {
|
|
case trackingTableView
|
|
case trackingTextView
|
|
case showDetail
|
|
case showModal
|
|
case showPanelModal
|
|
case showMultiPanelModal
|
|
case showPanelInSheetModal
|
|
case showTabBar
|
|
case showPageView
|
|
case showPageContentView
|
|
case showNestedScrollView
|
|
case showRemovablePanel
|
|
case showIntrinsicView
|
|
case showContentInset
|
|
case showContainerMargins
|
|
case showNavigationController
|
|
|
|
var name: String {
|
|
switch self {
|
|
case .trackingTableView: return "Scroll tracking(TableView)"
|
|
case .trackingTextView: return "Scroll tracking(TextView)"
|
|
case .showDetail: return "Show Detail Panel"
|
|
case .showModal: return "Show Modal"
|
|
case .showPanelModal: return "Show Panel Modal"
|
|
case .showMultiPanelModal: return "Show Multi Panel Modal"
|
|
case .showPanelInSheetModal: return "Show Panel in Sheet Modal"
|
|
case .showTabBar: return "Show Tab Bar"
|
|
case .showPageView: return "Show Page View"
|
|
case .showPageContentView: return "Show Page Content View"
|
|
case .showNestedScrollView: return "Show Nested ScrollView"
|
|
case .showRemovablePanel: return "Show Removable Panel"
|
|
case .showIntrinsicView: return "Show Intrinsic View"
|
|
case .showContentInset: return "Show with ContentInset"
|
|
case .showContainerMargins: return "Show with ContainerMargins"
|
|
case .showNavigationController: return "Show Navigation Controller"
|
|
}
|
|
}
|
|
|
|
var storyboardID: String? {
|
|
switch self {
|
|
case .trackingTableView: return nil
|
|
case .trackingTextView: return "ConsoleViewController"
|
|
case .showDetail: return "DetailViewController"
|
|
case .showModal: return "ModalViewController"
|
|
case .showMultiPanelModal: return nil
|
|
case .showPanelInSheetModal: return nil
|
|
case .showPanelModal: return nil
|
|
case .showTabBar: return "TabBarViewController"
|
|
case .showPageView: return nil
|
|
case .showPageContentView: return nil
|
|
case .showNestedScrollView: return "NestedScrollViewController"
|
|
case .showRemovablePanel: return "DetailViewController"
|
|
case .showIntrinsicView: return "IntrinsicViewController"
|
|
case .showContentInset: return nil
|
|
case .showContainerMargins: return nil
|
|
case .showNavigationController: return "RootNavigationController"
|
|
}
|
|
}
|
|
}
|
|
|
|
var currentMenu: Menu = .trackingTableView
|
|
|
|
var mainPanelVC: FloatingPanelController!
|
|
var detailPanelVC: FloatingPanelController!
|
|
var settingsPanelVC: FloatingPanelController!
|
|
|
|
var mainPanelObserves: [NSKeyValueObservation] = []
|
|
var settingsObserves: [NSKeyValueObservation] = []
|
|
|
|
var pages: [UIViewController] = []
|
|
|
|
override func viewDidLoad() {
|
|
super.viewDidLoad()
|
|
tableView.dataSource = self
|
|
tableView.delegate = self
|
|
tableView.register(UITableViewCell.self, forCellReuseIdentifier: "Cell")
|
|
automaticallyAdjustsScrollViewInsets = false
|
|
|
|
let searchController = UISearchController(searchResultsController: nil)
|
|
if #available(iOS 11.0, *) {
|
|
navigationItem.searchController = searchController
|
|
navigationItem.hidesSearchBarWhenScrolling = false
|
|
navigationItem.largeTitleDisplayMode = .automatic
|
|
} else {
|
|
// Fallback on earlier versions
|
|
}
|
|
|
|
let contentVC = DebugTableViewController()
|
|
addMainPanel(with: contentVC)
|
|
|
|
var insets = UIEdgeInsets.zero
|
|
insets.bottom += 69.0
|
|
tableView.contentInset = insets
|
|
}
|
|
|
|
override func viewDidAppear(_ animated: Bool) {
|
|
super.viewDidAppear(animated)
|
|
if #available(iOS 11.0, *) {
|
|
if let observation = navigationController?.navigationBar.observe(\.prefersLargeTitles, changeHandler: { (bar, _) in
|
|
self.tableView.reloadData()
|
|
}) {
|
|
settingsObserves.append(observation)
|
|
}
|
|
}
|
|
}
|
|
|
|
override func viewWillDisappear(_ animated: Bool) {
|
|
super.viewWillDisappear(animated)
|
|
settingsObserves.removeAll()
|
|
}
|
|
|
|
func addMainPanel(with contentVC: UIViewController) {
|
|
mainPanelObserves.removeAll()
|
|
|
|
let oldMainPanelVC = mainPanelVC
|
|
|
|
mainPanelVC = FloatingPanelController()
|
|
mainPanelVC.delegate = self
|
|
mainPanelVC.contentInsetAdjustmentBehavior = .always
|
|
|
|
mainPanelVC.surfaceView.cornerRadius = 6.0
|
|
mainPanelVC.surfaceView.shadowHidden = false
|
|
|
|
mainPanelVC.set(contentViewController: contentVC)
|
|
|
|
// Enable tap-to-hide and removal interaction
|
|
switch currentMenu {
|
|
case .trackingTableView:
|
|
let tapGesture = UITapGestureRecognizer(target: self, action: #selector(handleSurface(tapGesture:)))
|
|
tapGesture.cancelsTouchesInView = false
|
|
tapGesture.numberOfTapsRequired = 2
|
|
mainPanelVC.surfaceView.addGestureRecognizer(tapGesture)
|
|
case .showPageContentView:
|
|
if let page = (mainPanelVC.contentViewController as? UIPageViewController)?.viewControllers?.first {
|
|
mainPanelVC.track(scrollView: (page as! DebugTableViewController).tableView)
|
|
}
|
|
case .showRemovablePanel, .showIntrinsicView:
|
|
mainPanelVC.isRemovalInteractionEnabled = true
|
|
|
|
let backdropTapGesture = UITapGestureRecognizer(target: self, action: #selector(handleBackdrop(tapGesture:)))
|
|
mainPanelVC.backdropView.addGestureRecognizer(backdropTapGesture)
|
|
case .showNavigationController:
|
|
mainPanelVC.contentInsetAdjustmentBehavior = .never
|
|
default:
|
|
break
|
|
}
|
|
|
|
// Track a scroll view
|
|
switch contentVC {
|
|
case let consoleVC as DebugTextViewController:
|
|
mainPanelVC.track(scrollView: consoleVC.textView)
|
|
|
|
case let contentVC as DebugTableViewController:
|
|
let ob = contentVC.tableView.observe(\.isEditing) { (tableView, _) in
|
|
self.mainPanelVC.panGestureRecognizer.isEnabled = !tableView.isEditing
|
|
}
|
|
mainPanelObserves.append(ob)
|
|
mainPanelVC.track(scrollView: contentVC.tableView)
|
|
case let contentVC as NestedScrollViewController:
|
|
mainPanelVC.track(scrollView: contentVC.scrollView)
|
|
case let navVC as UINavigationController:
|
|
if let rootVC = (navVC.topViewController as? SampleListViewController) {
|
|
rootVC.loadViewIfNeeded()
|
|
mainPanelVC.track(scrollView: rootVC.tableView)
|
|
}
|
|
default:
|
|
break
|
|
}
|
|
|
|
// Add FloatingPanel to self.view
|
|
if let oldMainPanelVC = oldMainPanelVC {
|
|
oldMainPanelVC.removePanelFromParent(animated: true, completion: {
|
|
self.mainPanelVC.addPanel(toParent: self, belowView: nil, animated: true)
|
|
})
|
|
} else {
|
|
mainPanelVC.addPanel(toParent: self, belowView: nil, animated: true)
|
|
}
|
|
}
|
|
|
|
@objc
|
|
func handleSurface(tapGesture: UITapGestureRecognizer) {
|
|
switch mainPanelVC.position {
|
|
case .full:
|
|
mainPanelVC.move(to: .half, animated: true)
|
|
default:
|
|
mainPanelVC.move(to: .full, animated: true)
|
|
}
|
|
}
|
|
|
|
@objc func handleBackdrop(tapGesture: UITapGestureRecognizer) {
|
|
switch tapGesture.view {
|
|
case mainPanelVC.backdropView:
|
|
mainPanelVC.hide(animated: true, completion: nil)
|
|
case settingsPanelVC.backdropView:
|
|
settingsPanelVC.removePanelFromParent(animated: true)
|
|
settingsPanelVC = nil
|
|
default:
|
|
break
|
|
}
|
|
}
|
|
|
|
// MARK:- Actions
|
|
@IBAction func showDebugMenu(_ sender: UIBarButtonItem) {
|
|
guard settingsPanelVC == nil else { return }
|
|
// Initialize FloatingPanelController
|
|
settingsPanelVC = FloatingPanelController()
|
|
|
|
// Initialize FloatingPanelController and add the view
|
|
settingsPanelVC.surfaceView.cornerRadius = 6.0
|
|
settingsPanelVC.surfaceView.shadowHidden = false
|
|
settingsPanelVC.isRemovalInteractionEnabled = true
|
|
|
|
let backdropTapGesture = UITapGestureRecognizer(target: self, action: #selector(handleBackdrop(tapGesture:)))
|
|
settingsPanelVC.backdropView.addGestureRecognizer(backdropTapGesture)
|
|
|
|
settingsPanelVC.delegate = self
|
|
|
|
let contentVC = storyboard?.instantiateViewController(withIdentifier: "SettingsViewController")
|
|
|
|
// Set a content view controller
|
|
settingsPanelVC.set(contentViewController: contentVC)
|
|
|
|
// Add FloatingPanel to self.view
|
|
settingsPanelVC.addPanel(toParent: self, belowView: nil, animated: true)
|
|
}
|
|
}
|
|
|
|
extension SampleListViewController: UITableViewDataSource {
|
|
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
|
|
if #available(iOS 11.0, *) {
|
|
if navigationController?.navigationBar.prefersLargeTitles == true {
|
|
return Menu.allCases.count + 30
|
|
} else {
|
|
return Menu.allCases.count
|
|
}
|
|
} else {
|
|
return Menu.allCases.count
|
|
}
|
|
}
|
|
|
|
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
|
|
let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)
|
|
if Menu.allCases.count > indexPath.row {
|
|
let menu = Menu.allCases[indexPath.row]
|
|
cell.textLabel?.text = menu.name
|
|
} else {
|
|
cell.textLabel?.text = "\(indexPath.row) row"
|
|
}
|
|
return cell
|
|
}
|
|
}
|
|
|
|
extension SampleListViewController: UITableViewDelegate {
|
|
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
|
|
guard Menu.allCases.count > indexPath.row else { return }
|
|
let menu = Menu.allCases[indexPath.row]
|
|
let contentVC: UIViewController = {
|
|
guard let storyboardID = menu.storyboardID else { return DebugTableViewController() }
|
|
guard let vc = self.storyboard?.instantiateViewController(withIdentifier: storyboardID) else { fatalError() }
|
|
return vc
|
|
}()
|
|
|
|
self.currentMenu = menu
|
|
detailPanelVC?.removePanelFromParent(animated: true, completion: nil)
|
|
detailPanelVC = nil
|
|
|
|
switch menu {
|
|
case .showDetail:
|
|
detailPanelVC?.removePanelFromParent(animated: false)
|
|
|
|
// Initialize FloatingPanelController
|
|
detailPanelVC = FloatingPanelController()
|
|
detailPanelVC.delegate = self
|
|
|
|
// Initialize FloatingPanelController and add the view
|
|
detailPanelVC.surfaceView.cornerRadius = 6.0
|
|
detailPanelVC.surfaceView.shadowHidden = false
|
|
|
|
// Set a content view controller
|
|
detailPanelVC.set(contentViewController: contentVC)
|
|
|
|
detailPanelVC.contentMode = .fitToBounds
|
|
(contentVC as? DetailViewController)?.intrinsicHeightConstraint.priority = .defaultLow
|
|
|
|
// Add FloatingPanel to self.view
|
|
detailPanelVC.addPanel(toParent: self, belowView: nil, animated: true)
|
|
case .showModal, .showTabBar:
|
|
let modalVC = contentVC
|
|
modalVC.modalPresentationStyle = .fullScreen
|
|
present(modalVC, animated: true, completion: nil)
|
|
|
|
case .showPageView:
|
|
pages = [UIColor.blue, .red, .green].compactMap({ (color) -> UIViewController in
|
|
let page = FloatingPanelController(delegate: self)
|
|
page.view.backgroundColor = color
|
|
page.show()
|
|
return page
|
|
})
|
|
|
|
let pageVC = UIPageViewController(transitionStyle: .scroll, navigationOrientation: .horizontal, options: [:])
|
|
let closeButton = UIButton(type: .custom)
|
|
pageVC.view.addSubview(closeButton)
|
|
closeButton.setTitle("Close", for: .normal)
|
|
closeButton.translatesAutoresizingMaskIntoConstraints = false
|
|
closeButton.addTarget(self, action: #selector(dismissPresentedVC), for: .touchUpInside)
|
|
NSLayoutConstraint.activate([
|
|
closeButton.topAnchor.constraint(equalTo: pageVC.layoutGuide.topAnchor, constant: 16.0),
|
|
closeButton.leftAnchor.constraint(equalTo: pageVC.view.leftAnchor, constant: 16.0),
|
|
])
|
|
pageVC.dataSource = self
|
|
pageVC.setViewControllers([pages[0]], direction: .forward, animated: false, completion: nil)
|
|
pageVC.modalPresentationStyle = .fullScreen
|
|
present(pageVC, animated: true, completion: nil)
|
|
|
|
case .showPageContentView:
|
|
pages = [DebugTableViewController(), DebugTableViewController(), DebugTableViewController()]
|
|
let pageVC = UIPageViewController(transitionStyle: .scroll, navigationOrientation: .horizontal, options: [:])
|
|
pageVC.dataSource = self
|
|
pageVC.delegate = self
|
|
pageVC.setViewControllers([pages[0]], direction: .forward, animated: false, completion: nil)
|
|
self.addMainPanel(with: pageVC)
|
|
case .showPanelModal:
|
|
let fpc = FloatingPanelController()
|
|
let contentVC = self.storyboard!.instantiateViewController(withIdentifier: "DetailViewController")
|
|
contentVC.loadViewIfNeeded()
|
|
(contentVC as? DetailViewController)?.modeChangeView.isHidden = true
|
|
fpc.set(contentViewController: contentVC)
|
|
fpc.delegate = self
|
|
|
|
fpc.surfaceView.cornerRadius = 38.5
|
|
fpc.surfaceView.shadowHidden = false
|
|
|
|
fpc.isRemovalInteractionEnabled = true
|
|
|
|
self.present(fpc, animated: true, completion: nil)
|
|
|
|
case .showMultiPanelModal:
|
|
let fpc = MultiPanelController()
|
|
self.present(fpc, animated: true, completion: nil)
|
|
|
|
case .showPanelInSheetModal:
|
|
let fpc = FloatingPanelController()
|
|
let contentVC = UIViewController()
|
|
fpc.set(contentViewController: contentVC)
|
|
fpc.delegate = self
|
|
|
|
fpc.surfaceView.cornerRadius = 38.5
|
|
fpc.surfaceView.shadowHidden = false
|
|
fpc.isRemovalInteractionEnabled = true
|
|
|
|
let mvc = UIViewController()
|
|
mvc.view.backgroundColor = UIColor(displayP3Red: 2/255, green: 184/255, blue: 117/255, alpha: 1.0)
|
|
fpc.addPanel(toParent: mvc)
|
|
self.present(mvc, animated: true, completion: nil)
|
|
case .showContentInset:
|
|
let contentViewController = UIViewController()
|
|
contentViewController.view.backgroundColor = .green
|
|
|
|
let fpc = FloatingPanelController()
|
|
fpc.set(contentViewController: contentViewController)
|
|
fpc.surfaceView.contentInsets = .init(top: 20, left: 20, bottom: 20, right: 20)
|
|
|
|
fpc.delegate = self
|
|
fpc.isRemovalInteractionEnabled = true
|
|
self.present(fpc, animated: true, completion: nil)
|
|
|
|
case .showContainerMargins:
|
|
let fpc = FloatingPanelController()
|
|
fpc.surfaceView.cornerRadius = 38.5
|
|
fpc.surfaceView.backgroundColor = .red
|
|
fpc.surfaceView.containerMargins = .init(top: 24.0, left: 8.0, bottom: layoutInsets.bottom, right: 8.0)
|
|
#if swift(>=5.1) // Actually Xcode 11 or later
|
|
if #available(iOS 13.0, *) {
|
|
fpc.surfaceView.layer.cornerCurve = .continuous
|
|
}
|
|
#endif
|
|
|
|
fpc.delegate = self
|
|
fpc.isRemovalInteractionEnabled = true
|
|
self.present(fpc, animated: true, completion: nil)
|
|
default:
|
|
self.addMainPanel(with: contentVC)
|
|
}
|
|
}
|
|
|
|
@objc func dismissPresentedVC() {
|
|
self.presentedViewController?.dismiss(animated: true, completion: nil)
|
|
}
|
|
}
|
|
|
|
extension SampleListViewController: FloatingPanelControllerDelegate {
|
|
func floatingPanel(_ vc: FloatingPanelController, contentOffsetForPinning trackedScrollView: UIScrollView) -> CGPoint {
|
|
if currentMenu == .showNavigationController, #available(iOSApplicationExtension 11.0, *) {
|
|
// 148.0 is the SafeArea's top value for a navigation bar with a large title.
|
|
return CGPoint(x: 0.0, y: 0.0 - trackedScrollView.contentInset.top - 148.0)
|
|
}
|
|
return CGPoint(x: 0.0, y: 0.0 - trackedScrollView.contentInset.top)
|
|
}
|
|
|
|
func floatingPanel(_ vc: FloatingPanelController, layoutFor newCollection: UITraitCollection) -> FloatingPanelLayout? {
|
|
if vc == settingsPanelVC {
|
|
return IntrinsicPanelLayout()
|
|
}
|
|
|
|
switch currentMenu {
|
|
case .showRemovablePanel:
|
|
return newCollection.verticalSizeClass == .compact ? RemovablePanelLandscapeLayout() : RemovablePanelLayout()
|
|
case .showIntrinsicView:
|
|
return IntrinsicPanelLayout()
|
|
case .showPanelModal:
|
|
if vc != mainPanelVC && vc != detailPanelVC {
|
|
return ModalPanelLayout()
|
|
}
|
|
fallthrough
|
|
case .showContentInset:
|
|
return NoInteractionBufferPanelLayout()
|
|
default:
|
|
return (newCollection.verticalSizeClass == .compact) ? nil : self
|
|
}
|
|
}
|
|
|
|
func floatingPanel(_ vc: FloatingPanelController, shouldRecognizeSimultaneouslyWith gestureRecognizer: UIGestureRecognizer) -> Bool {
|
|
switch currentMenu {
|
|
case .showNestedScrollView:
|
|
return (vc.contentViewController as? NestedScrollViewController)?.nestedScrollView.gestureRecognizers?.contains(gestureRecognizer) ?? false
|
|
case .showPageView:
|
|
// Tips: Need to allow recognizing the pan gesture of UIPageViewController simultaneously.
|
|
return true
|
|
default:
|
|
return false
|
|
}
|
|
}
|
|
|
|
func floatingPanelDidEndRemove(_ vc: FloatingPanelController) {
|
|
switch vc {
|
|
case settingsPanelVC:
|
|
settingsPanelVC = nil
|
|
default:
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
- Attention: `FloatingPanelLayout` must not be applied by the parent view
|
|
controller of a floating panel. But here `SampleListViewController` adopts it
|
|
purposely to check if the library prints an appropriate warning.
|
|
*/
|
|
extension SampleListViewController: FloatingPanelLayout {
|
|
var initialPosition: FloatingPanelPosition {
|
|
return .half
|
|
}
|
|
|
|
func insetFor(position: FloatingPanelPosition) -> CGFloat? {
|
|
switch position {
|
|
case .full: return UIScreen.main.bounds.height == 667.0 ? 18.0 : 16.0
|
|
case .half: return 262.0
|
|
case .tip: return 69.0
|
|
case .hidden: return nil
|
|
}
|
|
}
|
|
}
|
|
|
|
extension SampleListViewController: UIPageViewControllerDataSource {
|
|
func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {
|
|
guard
|
|
let index = pages.firstIndex(of: viewController),
|
|
index + 1 < pages.count
|
|
else { return nil }
|
|
return pages[index + 1]
|
|
}
|
|
func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {
|
|
guard
|
|
let index = pages.firstIndex(of: viewController),
|
|
index - 1 >= 0
|
|
else { return nil }
|
|
return pages[index - 1]
|
|
}
|
|
}
|
|
extension SampleListViewController: UIPageViewControllerDelegate {
|
|
// For showPageContent
|
|
func pageViewController(_ pageViewController: UIPageViewController, didFinishAnimating finished: Bool, previousViewControllers: [UIViewController], transitionCompleted completed: Bool) {
|
|
if completed, let page = pageViewController.viewControllers?.first {
|
|
(pageViewController.parent as! FloatingPanelController).track(scrollView: (page as! DebugTableViewController).tableView)
|
|
}
|
|
}
|
|
}
|
|
|
|
class IntrinsicPanelLayout: FloatingPanelIntrinsicLayout { }
|
|
|
|
class NoInteractionBufferPanelLayout: FloatingPanelLayout {
|
|
var initialPosition: FloatingPanelPosition {
|
|
return .full
|
|
}
|
|
|
|
func insetFor(position: FloatingPanelPosition) -> CGFloat? {
|
|
switch position {
|
|
case .full: return 0
|
|
case .half: return 216
|
|
case .tip: return 60
|
|
case .hidden: return nil
|
|
}
|
|
}
|
|
|
|
var topInteractionBuffer: CGFloat {
|
|
return 0.0
|
|
}
|
|
|
|
var bottomInteractionBuffer: CGFloat {
|
|
return 0.0
|
|
}
|
|
}
|
|
|
|
class RemovablePanelLayout: FloatingPanelIntrinsicLayout {
|
|
var supportedPositions: Set<FloatingPanelPosition> {
|
|
return [.full, .half]
|
|
}
|
|
var initialPosition: FloatingPanelPosition {
|
|
return .half
|
|
}
|
|
var topInteractionBuffer: CGFloat {
|
|
return 200.0
|
|
}
|
|
var bottomInteractionBuffer: CGFloat {
|
|
return 261.0 - 22.0
|
|
}
|
|
|
|
func insetFor(position: FloatingPanelPosition) -> CGFloat? {
|
|
switch position {
|
|
case .half: return 130.0
|
|
default: return nil
|
|
}
|
|
}
|
|
func backdropAlphaFor(position: FloatingPanelPosition) -> CGFloat {
|
|
return 0.3
|
|
}
|
|
}
|
|
|
|
class RemovablePanelLandscapeLayout: FloatingPanelIntrinsicLayout {
|
|
var supportedPositions: Set<FloatingPanelPosition> {
|
|
return [.full, .half]
|
|
}
|
|
var bottomInteractionBuffer: CGFloat {
|
|
return 261.0 - 22.0
|
|
}
|
|
func insetFor(position: FloatingPanelPosition) -> CGFloat? {
|
|
switch position {
|
|
case .half: return 261.0
|
|
default: return nil
|
|
}
|
|
}
|
|
func backdropAlphaFor(position: FloatingPanelPosition) -> CGFloat {
|
|
return 0.3
|
|
}
|
|
}
|
|
|
|
class ModalPanelLayout: FloatingPanelIntrinsicLayout {
|
|
var topInteractionBuffer: CGFloat {
|
|
return 100.0
|
|
}
|
|
func backdropAlphaFor(position: FloatingPanelPosition) -> CGFloat {
|
|
return 0.3
|
|
}
|
|
}
|
|
|
|
class NestedScrollViewController: UIViewController {
|
|
@IBOutlet weak var scrollView: UIScrollView!
|
|
@IBOutlet weak var nestedScrollView: UIScrollView!
|
|
|
|
@IBAction func longPressed(_ sender: Any) {
|
|
print("LongPressed!")
|
|
}
|
|
@IBAction func swipped(_ sender: Any) {
|
|
print("Swipped!")
|
|
}
|
|
@IBAction func tapped(_ sender: Any) {
|
|
print("Tapped!")
|
|
}
|
|
}
|
|
|
|
class DebugTextViewController: UIViewController, UITextViewDelegate {
|
|
@IBOutlet weak var textView: UITextView!
|
|
@IBOutlet weak var textViewTopConstraint: NSLayoutConstraint!
|
|
|
|
override func viewDidLoad() {
|
|
super.viewDidLoad()
|
|
textView.delegate = self
|
|
print("viewDidLoad: TextView --- ", textView.contentOffset, textView.contentInset)
|
|
|
|
if #available(iOS 11.0, *) {
|
|
textView.contentInsetAdjustmentBehavior = .never
|
|
}
|
|
}
|
|
|
|
override func viewWillLayoutSubviews() {
|
|
print("viewWillLayoutSubviews: TextView --- ", textView.contentOffset, textView.contentInset, textView.frame)
|
|
}
|
|
|
|
override func viewDidLayoutSubviews() {
|
|
super.viewDidLayoutSubviews()
|
|
print("viewDidLayoutSubviews: TextView --- ", textView.contentOffset, textView.contentInset, textView.frame)
|
|
}
|
|
|
|
override func viewDidAppear(_ animated: Bool) {
|
|
super.viewDidAppear(animated)
|
|
print("TextView --- ", textView.contentOffset, textView.contentInset, textView.frame)
|
|
}
|
|
|
|
func scrollViewDidScroll(_ scrollView: UIScrollView) {
|
|
print("TextView --- ", scrollView.contentOffset, scrollView.contentInset)
|
|
if #available(iOS 11.0, *) {
|
|
print("TextView --- ", scrollView.adjustedContentInset)
|
|
}
|
|
}
|
|
|
|
@IBAction func close(sender: UIButton) {
|
|
// (self.parent as? FloatingPanelController)?.removePanelFromParent(animated: true, completion: nil)
|
|
dismiss(animated: true, completion: nil)
|
|
}
|
|
}
|
|
|
|
class InspectableViewController: UIViewController {
|
|
override func viewWillLayoutSubviews() {
|
|
super.viewWillLayoutSubviews()
|
|
print(">>> Content View: viewWillLayoutSubviews", layoutInsets)
|
|
}
|
|
|
|
override func viewDidLayoutSubviews() {
|
|
super.viewDidLayoutSubviews()
|
|
print(">>> Content View: viewDidLayoutSubviews", layoutInsets)
|
|
}
|
|
|
|
override func viewWillAppear(_ animated: Bool) {
|
|
super.viewWillAppear(animated)
|
|
print(">>> Content View: viewWillAppear", layoutInsets)
|
|
}
|
|
|
|
override func viewDidAppear(_ animated: Bool) {
|
|
super.viewDidAppear(animated)
|
|
print(">>> Content View: viewDidAppear", view.bounds, layoutInsets)
|
|
}
|
|
|
|
override func viewWillDisappear(_ animated: Bool) {
|
|
super.viewWillDisappear(animated)
|
|
print(">>> Content View: viewWillDisappear")
|
|
}
|
|
|
|
override func viewDidDisappear(_ animated: Bool) {
|
|
super.viewDidDisappear(animated)
|
|
print(">>> Content View: viewDidDisappear")
|
|
}
|
|
|
|
override func willMove(toParent parent: UIViewController?) {
|
|
super.willMove(toParent: parent)
|
|
print(">>> Content View: willMove(toParent: \(String(describing: parent))")
|
|
}
|
|
|
|
override func didMove(toParent parent: UIViewController?) {
|
|
super.didMove(toParent: parent)
|
|
print(">>> Content View: didMove(toParent: \(String(describing: parent))")
|
|
}
|
|
public override func willTransition(to newCollection: UITraitCollection, with coordinator: UIViewControllerTransitionCoordinator) {
|
|
print(">>> Content View: willTransition(to: \(newCollection), with: \(coordinator))", layoutInsets)
|
|
}
|
|
}
|
|
|
|
class DebugTableViewController: InspectableViewController {
|
|
lazy var tableView = UITableView(frame: .zero, style: .plain)
|
|
lazy var buttonStackView = UIStackView()
|
|
var items: [String] = []
|
|
var itemHeight: CGFloat = 66.0
|
|
|
|
enum Menu: String, CaseIterable {
|
|
case animateScroll = "Animate Scroll"
|
|
case changeContentSize = "Change content size"
|
|
case reorder = "Reorder"
|
|
}
|
|
|
|
var reorderButton: UIButton!
|
|
override func viewDidLoad() {
|
|
super.viewDidLoad()
|
|
|
|
view.addSubview(tableView)
|
|
tableView.translatesAutoresizingMaskIntoConstraints = false
|
|
NSLayoutConstraint.activate([
|
|
tableView.topAnchor.constraint(equalTo: view.topAnchor),
|
|
tableView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
|
|
tableView.leftAnchor.constraint(equalTo: view.leftAnchor),
|
|
tableView.rightAnchor.constraint(equalTo: view.rightAnchor)
|
|
])
|
|
tableView.dataSource = self
|
|
tableView.delegate = self
|
|
tableView.register(UITableViewCell.self, forCellReuseIdentifier: "Cell")
|
|
|
|
view.addSubview(buttonStackView)
|
|
buttonStackView.axis = .vertical
|
|
buttonStackView.distribution = .fillEqually
|
|
buttonStackView.alignment = .trailing
|
|
buttonStackView.spacing = 10.0
|
|
buttonStackView.translatesAutoresizingMaskIntoConstraints = false
|
|
NSLayoutConstraint.activate([
|
|
buttonStackView.topAnchor.constraint(equalTo: view.topAnchor, constant: 22.0),
|
|
buttonStackView.rightAnchor.constraint(equalTo: view.rightAnchor, constant: -22.0),
|
|
])
|
|
|
|
for menu in Menu.allCases {
|
|
let button = UIButton()
|
|
button.setTitle(menu.rawValue, for: .normal)
|
|
button.setTitleColor(view.tintColor, for: .normal)
|
|
switch menu {
|
|
case .animateScroll:
|
|
button.addTarget(self, action: #selector(animateScroll), for: .touchUpInside)
|
|
case .changeContentSize:
|
|
button.addTarget(self, action: #selector(changeContentSize), for: .touchUpInside)
|
|
case .reorder:
|
|
button.addTarget(self, action: #selector(reorderItems), for: .touchUpInside)
|
|
reorderButton = button
|
|
}
|
|
buttonStackView.addArrangedSubview(button)
|
|
}
|
|
|
|
for i in 0...100 {
|
|
items.append("Items \(i)")
|
|
}
|
|
}
|
|
|
|
@objc func animateScroll() {
|
|
tableView.scrollToRow(at: IndexPath(row: lround(Double(items.count) / 2.0),
|
|
section: 0),
|
|
at: .top, animated: true)
|
|
}
|
|
|
|
@objc func changeContentSize() {
|
|
let actionSheet = UIAlertController(title: "Change content size", message: "", preferredStyle: .actionSheet)
|
|
actionSheet.addAction(UIAlertAction(title: "Large", style: .default, handler: { (_) in
|
|
self.itemHeight = 66.0
|
|
self.changeItems(100)
|
|
}))
|
|
actionSheet.addAction(UIAlertAction(title: "Match", style: .default, handler: { (_) in
|
|
switch self.tableView.bounds.height {
|
|
case 585: // iPhone 6,7,8
|
|
self.itemHeight = self.tableView.bounds.height / 13.0
|
|
self.changeItems(13)
|
|
case 656: // iPhone {6,7,8} Plus
|
|
self.itemHeight = self.tableView.bounds.height / 16.0
|
|
self.changeItems(16)
|
|
default: // iPhone X family
|
|
self.itemHeight = self.tableView.bounds.height / 12.0
|
|
self.changeItems(12)
|
|
}
|
|
}))
|
|
actionSheet.addAction(UIAlertAction(title: "Short", style: .default, handler: { (_) in
|
|
self.itemHeight = 66.0
|
|
self.changeItems(3)
|
|
}))
|
|
|
|
self.present(actionSheet, animated: true, completion: nil)
|
|
}
|
|
|
|
@objc func reorderItems() {
|
|
if reorderButton.titleLabel?.text == Menu.reorder.rawValue {
|
|
tableView.isEditing = true
|
|
reorderButton.setTitle("Cancel", for: .normal)
|
|
} else {
|
|
tableView.isEditing = false
|
|
reorderButton.setTitle(Menu.reorder.rawValue, for: .normal)
|
|
}
|
|
}
|
|
|
|
func changeItems(_ count: Int) {
|
|
items.removeAll()
|
|
for i in 0..<count {
|
|
items.append("Items \(i)")
|
|
}
|
|
tableView.reloadData()
|
|
}
|
|
|
|
@objc func close(sender: UIButton) {
|
|
// Remove FloatingPanel from a view
|
|
(self.parent as! FloatingPanelController).removePanelFromParent(animated: true, completion: nil)
|
|
}
|
|
|
|
func scrollViewDidScroll(_ scrollView: UIScrollView) {
|
|
print("TableView --- ", scrollView.contentOffset, scrollView.contentInset)
|
|
}
|
|
}
|
|
|
|
extension DebugTableViewController: UITableViewDataSource {
|
|
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
|
|
return items.count
|
|
}
|
|
|
|
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
|
|
return itemHeight
|
|
}
|
|
|
|
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
|
|
let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)
|
|
cell.textLabel?.text = items[indexPath.row]
|
|
return cell
|
|
}
|
|
}
|
|
|
|
extension DebugTableViewController: UITableViewDelegate {
|
|
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
|
|
print("DebugTableViewController -- select row \(indexPath.row)")
|
|
}
|
|
|
|
func tableView(_ tableView: UITableView, editActionsForRowAt indexPath: IndexPath) -> [UITableViewRowAction]? {
|
|
return [
|
|
UITableViewRowAction(style: .destructive, title: "Delete", handler: { (action, path) in
|
|
self.items.remove(at: path.row)
|
|
tableView.deleteRows(at: [path], with: .automatic)
|
|
}),
|
|
]
|
|
}
|
|
|
|
func tableView(_ tableView: UITableView, canMoveRowAt indexPath: IndexPath) -> Bool {
|
|
return true
|
|
}
|
|
|
|
func tableView(_ tableView: UITableView, moveRowAt sourceIndexPath: IndexPath, to destinationIndexPath: IndexPath) {
|
|
items.insert(items.remove(at: sourceIndexPath.row), at: destinationIndexPath.row)
|
|
}
|
|
}
|
|
|
|
class DetailViewController: InspectableViewController {
|
|
@IBOutlet weak var modeChangeView: UIStackView!
|
|
@IBOutlet weak var intrinsicHeightConstraint: NSLayoutConstraint!
|
|
@IBOutlet weak var closeButton: UIButton!
|
|
@IBAction func close(sender: UIButton) {
|
|
// (self.parent as? FloatingPanelController)?.removePanelFromParent(animated: true, completion: nil)
|
|
dismiss(animated: true, completion: nil)
|
|
}
|
|
|
|
@IBAction func buttonPressed(_ sender: UIButton) {
|
|
switch sender.titleLabel?.text {
|
|
case "Show":
|
|
performSegue(withIdentifier: "ShowSegue", sender: self)
|
|
case "Present Modally":
|
|
performSegue(withIdentifier: "PresentModallySegue", sender: self)
|
|
default:
|
|
break
|
|
}
|
|
}
|
|
@IBAction func modeChanged(_ sender: Any) {
|
|
guard let fpc = parent as? FloatingPanelController else { return }
|
|
fpc.contentMode = (fpc.contentMode == .static) ? .fitToBounds : .static
|
|
}
|
|
|
|
@IBAction func tapped(_ sender: Any) {
|
|
print("Detail panel is tapped!")
|
|
}
|
|
@IBAction func swipped(_ sender: Any) {
|
|
print("Detail panel is swipped!")
|
|
}
|
|
@IBAction func longPressed(_ sender: Any) {
|
|
print("Detail panel is longPressed!")
|
|
}
|
|
}
|
|
|
|
class ModalViewController: UIViewController, FloatingPanelControllerDelegate {
|
|
var fpc: FloatingPanelController!
|
|
var consoleVC: DebugTextViewController!
|
|
|
|
@IBOutlet weak var safeAreaView: UIView!
|
|
|
|
var isNewlayout: Bool = false
|
|
|
|
override func viewWillAppear(_ animated: Bool) {
|
|
super.viewWillAppear(animated)
|
|
// Initialize FloatingPanelController
|
|
fpc = FloatingPanelController()
|
|
fpc.delegate = self
|
|
|
|
// Initialize FloatingPanelController and add the view
|
|
fpc.surfaceView.cornerRadius = 6.0
|
|
fpc.surfaceView.shadowHidden = false
|
|
|
|
// Set a content view controller and track the scroll view
|
|
let consoleVC = storyboard?.instantiateViewController(withIdentifier: "ConsoleViewController") as! DebugTextViewController
|
|
fpc.set(contentViewController: consoleVC)
|
|
fpc.track(scrollView: consoleVC.textView)
|
|
|
|
self.consoleVC = consoleVC
|
|
|
|
// Add FloatingPanel to self.view
|
|
fpc.addPanel(toParent: self, belowView: safeAreaView)
|
|
}
|
|
|
|
override func viewWillDisappear(_ animated: Bool) {
|
|
super.viewWillDisappear(animated)
|
|
// Remove FloatingPanel from a view
|
|
fpc.removePanelFromParent(animated: false)
|
|
}
|
|
|
|
@IBAction func close(sender: UIButton) {
|
|
dismiss(animated: true, completion: nil)
|
|
}
|
|
|
|
@IBAction func moveToFull(sender: UIButton) {
|
|
fpc.move(to: .full, animated: true)
|
|
}
|
|
@IBAction func moveToHalf(sender: UIButton) {
|
|
fpc.move(to: .half, animated: true)
|
|
}
|
|
@IBAction func moveToTip(sender: UIButton) {
|
|
fpc.move(to: .tip, animated: true)
|
|
}
|
|
@IBAction func moveToHidden(sender: UIButton) {
|
|
fpc.move(to: .hidden, animated: true)
|
|
}
|
|
@IBAction func updateLayout(_ sender: Any) {
|
|
isNewlayout = !isNewlayout
|
|
UIView.animate(withDuration: 0.5) {
|
|
self.fpc.updateLayout()
|
|
}
|
|
}
|
|
|
|
func floatingPanel(_ vc: FloatingPanelController, layoutFor newCollection: UITraitCollection) -> FloatingPanelLayout? {
|
|
return (isNewlayout) ? ModalSecondLayout() : nil
|
|
}
|
|
}
|
|
|
|
class ModalSecondLayout: FloatingPanelLayout {
|
|
var initialPosition: FloatingPanelPosition {
|
|
return .half
|
|
}
|
|
|
|
func insetFor(position: FloatingPanelPosition) -> CGFloat? {
|
|
switch position {
|
|
case .full: return 18.0
|
|
case .half: return 262.0
|
|
case .tip: return 44.0
|
|
case .hidden: return nil
|
|
}
|
|
}
|
|
}
|
|
|
|
class TabBarViewController: UITabBarController {}
|
|
|
|
class TabBarContentViewController: UIViewController {
|
|
enum Tab3Mode {
|
|
case changeOffset
|
|
case changeAutoLayout
|
|
var label: String {
|
|
switch self {
|
|
case .changeAutoLayout: return "Use AutoLayout(OK)"
|
|
case .changeOffset: return "Use ContentOffset(NG)"
|
|
}
|
|
}
|
|
}
|
|
var fpc: FloatingPanelController!
|
|
var consoleVC: DebugTextViewController!
|
|
|
|
var threeLayout: ThreeTabBarPanelLayout!
|
|
var tab3Mode: Tab3Mode = .changeAutoLayout
|
|
var switcherLabel: UILabel!
|
|
|
|
override func viewWillAppear(_ animated: Bool) {
|
|
super.viewWillAppear(animated)
|
|
// Initialize FloatingPanelController
|
|
fpc = FloatingPanelController()
|
|
fpc.delegate = self
|
|
|
|
// Initialize FloatingPanelController and add the view
|
|
fpc.surfaceView.cornerRadius = 6.0
|
|
fpc.surfaceView.shadowHidden = false
|
|
|
|
// Set a content view controller and track the scroll view
|
|
let consoleVC = storyboard?.instantiateViewController(withIdentifier: "ConsoleViewController") as! DebugTextViewController
|
|
fpc.set(contentViewController: consoleVC)
|
|
consoleVC.textView.delegate = self // MUST call it before fpc.track(scrollView:)
|
|
fpc.track(scrollView: consoleVC.textView)
|
|
self.consoleVC = consoleVC
|
|
|
|
// Add FloatingPanel to self.view
|
|
fpc.addPanel(toParent: self)
|
|
|
|
|
|
if tabBarItem.tag == 2 {
|
|
let switcher = UISwitch()
|
|
fpc.view.addSubview(switcher)
|
|
switcher.translatesAutoresizingMaskIntoConstraints = false
|
|
NSLayoutConstraint.activate([
|
|
switcher.bottomAnchor.constraint(equalTo: fpc.surfaceView.topAnchor, constant: -16.0),
|
|
switcher.rightAnchor.constraint(equalTo: fpc.surfaceView.rightAnchor, constant: -16.0),
|
|
])
|
|
switcher.isOn = true
|
|
switcher.tintColor = .white
|
|
switcher.backgroundColor = .white
|
|
switcher.layer.cornerRadius = 16.0
|
|
switcher.addTarget(self,
|
|
action: #selector(changeTab3Mode(_:)),
|
|
for: .valueChanged)
|
|
let label = UILabel()
|
|
label.text = tab3Mode.label
|
|
fpc.view.addSubview(label)
|
|
switcherLabel = label
|
|
label.translatesAutoresizingMaskIntoConstraints = false
|
|
NSLayoutConstraint.activate([
|
|
label.centerYAnchor.constraint(equalTo: switcher.centerYAnchor, constant: 0.0),
|
|
label.rightAnchor.constraint(equalTo: switcher.leftAnchor, constant: -16.0),
|
|
])
|
|
|
|
// Turn off the mask instead of content inset change
|
|
consoleVC.textView.clipsToBounds = false
|
|
}
|
|
}
|
|
|
|
override func viewDidAppear(_ animated: Bool) {
|
|
super.viewDidAppear(animated)
|
|
fpc.updateLayout()
|
|
}
|
|
|
|
override func viewWillDisappear(_ animated: Bool) {
|
|
super.viewWillDisappear(animated)
|
|
// Remove FloatingPanel from a view
|
|
fpc.removePanelFromParent(animated: false)
|
|
}
|
|
|
|
// MARK: - Action
|
|
|
|
@IBAction func close(sender: UIButton) {
|
|
dismiss(animated: true, completion: nil)
|
|
}
|
|
|
|
// MARK: - Private
|
|
|
|
@objc
|
|
private func changeTab3Mode(_ sender: UISwitch) {
|
|
if sender.isOn {
|
|
tab3Mode = .changeAutoLayout
|
|
} else {
|
|
tab3Mode = .changeOffset
|
|
}
|
|
switcherLabel.text = tab3Mode.label
|
|
}
|
|
}
|
|
|
|
extension TabBarContentViewController: UITextViewDelegate {
|
|
func scrollViewDidScroll(_ scrollView: UIScrollView) {
|
|
guard self.tabBarItem.tag == 2 else { return }
|
|
// Reset an invalid content offset by a user after updating the layout
|
|
// of `consoleVC.textView`.
|
|
// NOTE: FloatingPanel doesn't implicitly reset the offset(i.e.
|
|
// Using KVO of `scrollView.contentOffset`). Because it can lead to an
|
|
// infinite loop if a user also resets a content offset as below and,
|
|
// in the situation, a user has to modify the library.
|
|
if fpc.position != .full, fpc.surfaceView.frame.minY > fpc.originYOfSurface(for: .full) {
|
|
scrollView.contentOffset = .zero
|
|
}
|
|
}
|
|
}
|
|
|
|
extension TabBarContentViewController: FloatingPanelControllerDelegate {
|
|
// MARK: - FloatingPanel
|
|
|
|
func floatingPanel(_ vc: FloatingPanelController, layoutFor newCollection: UITraitCollection) -> FloatingPanelLayout? {
|
|
switch self.tabBarItem.tag {
|
|
case 0:
|
|
return OneTabBarPanelLayout()
|
|
case 1:
|
|
return TwoTabBarPanelLayout()
|
|
case 2:
|
|
threeLayout = ThreeTabBarPanelLayout(parent: self)
|
|
return threeLayout
|
|
default:
|
|
return nil
|
|
}
|
|
}
|
|
|
|
func floatingPanel(_ vc: FloatingPanelController, behaviorFor newCollection: UITraitCollection) -> FloatingPanelBehavior? {
|
|
switch self.tabBarItem.tag {
|
|
case 1:
|
|
return TwoTabBarPanelBehavior()
|
|
default:
|
|
return nil
|
|
}
|
|
}
|
|
|
|
func floatingPanelDidMove(_ vc: FloatingPanelController) {
|
|
guard self.tabBarItem.tag == 2 else { return }
|
|
|
|
switch tab3Mode {
|
|
case .changeAutoLayout:
|
|
/* Good solution: Manipulate top constraint */
|
|
assert(consoleVC.textViewTopConstraint != nil)
|
|
if vc.surfaceView.frame.minY + threeLayout.topPadding < vc.layoutInsets.top {
|
|
consoleVC.textViewTopConstraint?.constant = vc.layoutInsets.top - vc.surfaceView.frame.minY
|
|
} else {
|
|
consoleVC.textViewTopConstraint?.constant = threeLayout.topPadding
|
|
}
|
|
case .changeOffset:
|
|
/*
|
|
Bad solution: Manipulate scroll content inset
|
|
|
|
FloatingPanelController keeps a content offset in moving a panel
|
|
so that changing content inset or offset causes a buggy behavior.
|
|
*/
|
|
guard let scrollView = consoleVC.textView else { return }
|
|
var insets = vc.adjustedContentInsets
|
|
if vc.surfaceView.frame.minY < vc.layoutInsets.top {
|
|
insets.top = vc.layoutInsets.top - vc.surfaceView.frame.minY
|
|
} else {
|
|
insets.top = 0.0
|
|
}
|
|
scrollView.contentInset = insets
|
|
|
|
if vc.surfaceView.frame.minY > 0 {
|
|
scrollView.contentOffset = CGPoint(x: 0.0,
|
|
y: 0.0 - scrollView.contentInset.top)
|
|
}
|
|
}
|
|
|
|
if vc.surfaceView.frame.minY > vc.originYOfSurface(for: .half) {
|
|
let progress = (vc.surfaceView.frame.minY - vc.originYOfSurface(for: .half)) / (vc.originYOfSurface(for: .tip) - vc.originYOfSurface(for: .half))
|
|
threeLayout.leftConstraint.constant = max(min(progress, 1.0), 0.0) * threeLayout.sideMargin
|
|
threeLayout.rightConstraint.constant = -max(min(progress, 1.0), 0.0) * threeLayout.sideMargin
|
|
} else {
|
|
threeLayout.leftConstraint.constant = 0.0
|
|
threeLayout.rightConstraint.constant = 0.0
|
|
}
|
|
|
|
vc.view.layoutIfNeeded() // MUST
|
|
}
|
|
|
|
func floatingPanelDidChangePosition(_ vc: FloatingPanelController) {
|
|
guard self.tabBarItem.tag == 2 else { return }
|
|
|
|
switch tab3Mode {
|
|
case .changeAutoLayout:
|
|
/* Good Solution: Manipulate top constraint */
|
|
assert(consoleVC.textViewTopConstraint != nil)
|
|
consoleVC.textViewTopConstraint?.constant = (vc.position == .full) ? vc.layoutInsets.top : 17.0
|
|
|
|
case .changeOffset:
|
|
/* Bad Solution: Manipulate scroll content inset */
|
|
guard let scrollView = consoleVC.textView else { return }
|
|
var insets = vc.adjustedContentInsets
|
|
insets.top = (vc.position == .full) ? vc.layoutInsets.top : 0.0
|
|
scrollView.contentInset = insets
|
|
if scrollView.contentOffset.y - scrollView.contentInset.top < 0.0 {
|
|
scrollView.contentOffset = CGPoint(x: 0.0,
|
|
y: 0.0 - scrollView.contentInset.top)
|
|
}
|
|
}
|
|
|
|
if vc.position == .tip {
|
|
threeLayout.leftConstraint.constant = threeLayout.sideMargin
|
|
threeLayout.rightConstraint.constant = -threeLayout.sideMargin
|
|
} else {
|
|
threeLayout.leftConstraint.constant = 0.0
|
|
threeLayout.rightConstraint.constant = 0.0
|
|
}
|
|
// Can call it, but it's not necessary because it will be also called
|
|
// by FloatingPanelController after the delegate method
|
|
vc.view.layoutIfNeeded()
|
|
}
|
|
}
|
|
|
|
extension FloatingPanelLayout {
|
|
func prepareLayout(surfaceView: UIView, in view: UIView) -> [NSLayoutConstraint] {
|
|
if #available(iOS 11.0, *) {
|
|
return [
|
|
surfaceView.leftAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leftAnchor, constant: 0.0),
|
|
surfaceView.rightAnchor.constraint(equalTo: view.safeAreaLayoutGuide.rightAnchor, constant: 0.0),
|
|
]
|
|
} else {
|
|
return [
|
|
surfaceView.leftAnchor.constraint(equalTo: view.leftAnchor, constant: 0.0),
|
|
surfaceView.rightAnchor.constraint(equalTo: view.rightAnchor, constant: 0.0),
|
|
]
|
|
}
|
|
}
|
|
}
|
|
|
|
class OneTabBarPanelLayout: FloatingPanelLayout {
|
|
var initialPosition: FloatingPanelPosition {
|
|
return .tip
|
|
}
|
|
var supportedPositions: Set<FloatingPanelPosition> {
|
|
return [.full, .tip]
|
|
}
|
|
|
|
func insetFor(position: FloatingPanelPosition) -> CGFloat? {
|
|
switch position {
|
|
case .full: return 16.0
|
|
case .tip: return 22.0
|
|
default: return nil
|
|
}
|
|
}
|
|
}
|
|
|
|
class TwoTabBarPanelLayout: FloatingPanelLayout {
|
|
var initialPosition: FloatingPanelPosition {
|
|
return .half
|
|
}
|
|
var supportedPositions: Set<FloatingPanelPosition> {
|
|
return [.full, .half]
|
|
}
|
|
var topInteractionBuffer: CGFloat {
|
|
return 100.0
|
|
}
|
|
var bottomInteractionBuffer: CGFloat {
|
|
return 261.0 - 22.0
|
|
}
|
|
|
|
func insetFor(position: FloatingPanelPosition) -> CGFloat? {
|
|
switch position {
|
|
case .full: return 100.0
|
|
case .half: return 261.0
|
|
default: return nil
|
|
}
|
|
}
|
|
}
|
|
|
|
class TwoTabBarPanelBehavior: FloatingPanelBehavior {
|
|
func allowsRubberBanding(for edges: UIRectEdge) -> Bool {
|
|
return [UIRectEdge.top, UIRectEdge.bottom].contains(edges)
|
|
}
|
|
}
|
|
|
|
|
|
class ThreeTabBarPanelLayout: FloatingPanelFullScreenLayout {
|
|
weak var parentVC: UIViewController!
|
|
|
|
var leftConstraint: NSLayoutConstraint!
|
|
var rightConstraint: NSLayoutConstraint!
|
|
|
|
let topPadding: CGFloat = 17.0
|
|
let sideMargin: CGFloat = 16.0
|
|
|
|
init(parent: UIViewController) {
|
|
parentVC = parent
|
|
}
|
|
|
|
var bottomInteractionBuffer: CGFloat = 44.0
|
|
|
|
var initialPosition: FloatingPanelPosition {
|
|
return .half
|
|
}
|
|
var supportedPositions: Set<FloatingPanelPosition> {
|
|
return [.full, .half, .tip]
|
|
}
|
|
func insetFor(position: FloatingPanelPosition) -> CGFloat? {
|
|
switch position {
|
|
case .full: return 0.0
|
|
case .half: return 261.0 + parentVC.layoutInsets.bottom
|
|
case .tip: return 88.0 + parentVC.layoutInsets.bottom
|
|
default: return nil
|
|
}
|
|
}
|
|
func backdropAlphaFor(position: FloatingPanelPosition) -> CGFloat {
|
|
return 0.3
|
|
}
|
|
func prepareLayout(surfaceView: UIView, in view: UIView) -> [NSLayoutConstraint] {
|
|
if #available(iOS 11.0, *) {
|
|
leftConstraint = surfaceView.leftAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leftAnchor, constant: 0.0)
|
|
rightConstraint = surfaceView.rightAnchor.constraint(equalTo: view.safeAreaLayoutGuide.rightAnchor, constant: 0.0)
|
|
} else {
|
|
leftConstraint = surfaceView.leftAnchor.constraint(equalTo: view.leftAnchor, constant: 0.0)
|
|
rightConstraint = surfaceView.rightAnchor.constraint(equalTo: view.rightAnchor, constant: 0.0)
|
|
}
|
|
return [ leftConstraint, rightConstraint ]
|
|
}
|
|
}
|
|
|
|
class SettingsViewController: InspectableViewController {
|
|
@IBOutlet weak var largeTitlesSwicth: UISwitch!
|
|
@IBOutlet weak var translucentSwicth: UISwitch!
|
|
@IBOutlet weak var versionLabel: UILabel!
|
|
|
|
override func viewDidLoad() {
|
|
versionLabel.text = "Version: \(Bundle.main.infoDictionary?["CFBundleVersion"] ?? "--")"
|
|
}
|
|
|
|
override func viewDidLayoutSubviews() {
|
|
super.viewDidLayoutSubviews()
|
|
if #available(iOS 11.0, *) {
|
|
let prefersLargeTitles = navigationController!.navigationBar.prefersLargeTitles
|
|
largeTitlesSwicth.setOn(prefersLargeTitles, animated: false)
|
|
} else {
|
|
largeTitlesSwicth.isEnabled = false
|
|
}
|
|
let isTranslucent = navigationController!.navigationBar.isTranslucent
|
|
translucentSwicth.setOn(isTranslucent, animated: false)
|
|
}
|
|
|
|
@IBAction func toggleLargeTitle(_ sender: UISwitch) {
|
|
if #available(iOS 11.0, *) {
|
|
navigationController?.navigationBar.prefersLargeTitles = sender.isOn
|
|
}
|
|
}
|
|
@IBAction func toggleTranslucent(_ sender: UISwitch) {
|
|
navigationController?.navigationBar.isTranslucent = sender.isOn
|
|
}
|
|
}
|
|
|
|
// MARK -: Multi Panel
|
|
|
|
import WebKit
|
|
final class MultiPanelController: FloatingPanelController, FloatingPanelControllerDelegate {
|
|
|
|
private final class FirstPanelContentViewController: UIViewController {
|
|
|
|
lazy var webView: WKWebView = WKWebView()
|
|
|
|
override func viewDidLoad() {
|
|
super.viewDidLoad()
|
|
view.addSubview(webView)
|
|
webView.frame = view.bounds
|
|
webView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
|
|
webView.load(URLRequest(url: URL(string: "https://www.apple.com")!))
|
|
|
|
let vc = MultiSecondPanelController()
|
|
vc.setUpContent()
|
|
vc.addPanel(toParent: self)
|
|
}
|
|
}
|
|
|
|
private final class MultiSecondPanelController: FloatingPanelController {
|
|
|
|
private final class SecondPanelContentViewController: DebugTableViewController {}
|
|
|
|
func setUpContent() {
|
|
contentInsetAdjustmentBehavior = .never
|
|
let vc = SecondPanelContentViewController()
|
|
vc.loadViewIfNeeded()
|
|
vc.title = "Second Panel"
|
|
vc.buttonStackView.isHidden = true
|
|
let navigationController = UINavigationController(rootViewController: vc)
|
|
navigationController.navigationBar.barTintColor = .white
|
|
navigationController.navigationBar.titleTextAttributes = [
|
|
.foregroundColor: UIColor.black
|
|
]
|
|
set(contentViewController: navigationController)
|
|
self.track(scrollView: vc.tableView)
|
|
surfaceView.containerMargins = .init(top: 24.0, left: 0.0, bottom: layoutInsets.bottom, right: 0.0)
|
|
}
|
|
}
|
|
|
|
override func viewDidLoad() {
|
|
super.viewDidLoad()
|
|
delegate = self
|
|
isRemovalInteractionEnabled = true
|
|
|
|
let vc = FirstPanelContentViewController()
|
|
set(contentViewController: vc)
|
|
track(scrollView: vc.webView.scrollView)
|
|
}
|
|
|
|
private final class FirstViewLayout: FloatingPanelLayout {
|
|
let initialPosition: FloatingPanelPosition = .full
|
|
let supportedPositions: Set<FloatingPanelPosition> = [.full]
|
|
func insetFor(position: FloatingPanelPosition) -> CGFloat? {
|
|
switch position {
|
|
case .full: return 40.0
|
|
default: return nil
|
|
}
|
|
}
|
|
}
|
|
|
|
func floatingPanel(_ vc: FloatingPanelController, layoutFor newCollection: UITraitCollection) -> FloatingPanelLayout? {
|
|
return FirstViewLayout()
|
|
}
|
|
}
|