-
Notifications
You must be signed in to change notification settings - Fork 533
/
DemoTableViewController.swift
68 lines (55 loc) · 2.16 KB
/
DemoTableViewController.swift
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
//
// DemoTableViewController.swift
// TestCollectionView
//
// Created by Alex K. on 24/05/16.
// Copyright © 2016 Alex K. All rights reserved.
//
import UIKit
class DemoTableViewController: ExpandingTableViewController {
fileprivate var scrollOffsetY: CGFloat = 0
override func viewDidLoad() {
super.viewDidLoad()
configureNavBar()
let image1 = Asset.backgroundImage.image
tableView.backgroundView = UIImageView(image: image1)
if #available(iOS 11.0, *) {
tableView.contentInsetAdjustmentBehavior = .never
}
}
}
// MARK: Helpers
extension DemoTableViewController {
fileprivate func configureNavBar() {
navigationItem.leftBarButtonItem?.image = navigationItem.leftBarButtonItem?.image!.withRenderingMode(UIImage.RenderingMode.alwaysOriginal)
navigationItem.rightBarButtonItem?.image = navigationItem.rightBarButtonItem?.image!.withRenderingMode(UIImage.RenderingMode.alwaysOriginal)
}
}
// MARK: Actions
extension DemoTableViewController {
@IBAction func backButtonHandler(_: AnyObject) {
// buttonAnimation
let viewControllers: [DemoViewController?] = navigationController?.viewControllers.map { $0 as? DemoViewController } ?? []
for viewController in viewControllers {
if let rightButton = viewController?.navigationItem.rightBarButtonItem as? AnimatingBarButton {
rightButton.animationSelected(false)
}
}
popTransitionAnimation()
}
}
// MARK: UIScrollViewDelegate
extension DemoTableViewController {
override func scrollViewDidScroll(_ scrollView: UIScrollView) {
if scrollView.contentOffset.y < -25 , let navigationController = navigationController {
// buttonAnimation
for case let viewController as DemoViewController in navigationController.viewControllers {
if case let rightButton as AnimatingBarButton = viewController.navigationItem.rightBarButtonItem {
rightButton.animationSelected(false)
}
}
popTransitionAnimation()
}
scrollOffsetY = scrollView.contentOffset.y
}
}