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SheetImagePicker
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Add background dimming view

This commit is contained in:
Shadowfacts 2019-09-24 11:48:40 -04:00
parent 1eea2313cd
commit 9ddd39da4c
Signed by: shadowfacts
GPG Key ID: 94A5AB95422746E5
2 changed files with 19 additions and 4 deletions
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20
SheetImagePicker/SheetContainerViewController.swift
View File

@ -31,13 +31,15 @@ public class SheetContainerViewController: UIViewController {
var topDetent: (detent: Detent, offset: CGFloat) { var topDetent: (detent: Detent, offset: CGFloat) {
return detents.map { ($0, $0.offset(in: view)) }.min(by: { $0.1 < $1.1 })! return detents.map { ($0, $0.offset(in: view)) }.min(by: { $0.1 < $1.1 })!
} }
public var minimumDetentJumpVelocity: CGFloat = 500
public var maximumStretchDistance: CGFloat = 15
var topConstraint: NSLayoutConstraint! var topConstraint: NSLayoutConstraint!
lazy var initialConstant: CGFloat = view.bounds.height / 2 lazy var initialConstant: CGFloat = view.bounds.height / 2
public var minimumDetentJumpVelocity: CGFloat = 500 var dimmingView: UIView!
public var maximumStretchDistance: CGFloat = 15
public init(content: UIViewController) { public init(content: UIViewController) {
self.content = content self.content = content
@ -51,6 +53,18 @@ public class SheetContainerViewController: UIViewController {
override public func viewDidLoad() { override public func viewDidLoad() {
super.viewDidLoad() super.viewDidLoad()
dimmingView = UIView()
dimmingView.translatesAutoresizingMaskIntoConstraints = false
dimmingView.backgroundColor = .systemGray
dimmingView.alpha = 0.5
view.addSubview(dimmingView)
NSLayoutConstraint.activate([
dimmingView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
dimmingView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
dimmingView.topAnchor.constraint(equalTo: view.topAnchor),
dimmingView.bottomAnchor.constraint(equalTo: view.bottomAnchor)
])
addChild(content) addChild(content)
content.didMove(toParent: self) content.didMove(toParent: self)
view.addSubview(content.view) view.addSubview(content.view)

3
SheetImagePickerTest/ViewController.swift
View File

@ -14,6 +14,7 @@ class ViewController: UIViewController {
override func viewDidLoad() { override func viewDidLoad() {
super.viewDidLoad() super.viewDidLoad()
// Do any additional setup after loading the view. // Do any additional setup after loading the view.
view.backgroundColor = .green
let content = UIViewController() let content = UIViewController()
content.view.translatesAutoresizingMaskIntoConstraints = false content.view.translatesAutoresizingMaskIntoConstraints = false
@ -21,7 +22,7 @@ class ViewController: UIViewController {
let sheet = SheetContainerViewController(content: content) let sheet = SheetContainerViewController(content: content)
sheet.delegate = self sheet.delegate = self
sheet.detents = [.bottom, .middle, .top] sheet.detents = [.bottom, .middle, .top]
sheet.view.backgroundColor = .blue // sheet.view.backgroundColor = .blue
addChild(sheet) addChild(sheet)
sheet.didMove(toParent: self) sheet.didMove(toParent: self)