DatePickerAlert + DateFormat

This commit is contained in:
relikd
2020-06-11 01:32:50 +02:00
parent 946acc2460
commit 0a53898797
14 changed files with 195 additions and 72 deletions

View File

@@ -0,0 +1,91 @@
import UIKit
class DatePickerAlert: UIViewController {
private var callback: (Date) -> Void
private let picker: UIDatePicker = {
let x = UIDatePicker()
let h = x.sizeThatFits(.zero).height
x.frame = CGRect(x: 0, y: 0, width: UIScreen.main.bounds.width, height: h)
return x
}()
required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") }
@discardableResult required init(presentIn viewController: UIViewController, configure: ((UIDatePicker) -> Void)? = nil, onSuccess: @escaping (Date) -> Void) {
callback = onSuccess
super.init(nibName: nil, bundle: nil)
modalPresentationStyle = .custom
if #available(iOS 13.0, *) {
isModalInPresentation = true
}
presentIn(viewController, configure)
}
internal override func loadView() {
let cancel = QuickUI.button("Cancel", target: self, action: #selector(didTapCancel))
let save = QuickUI.button("Save", target: self, action: #selector(didTapSave))
save.titleLabel?.font = save.titleLabel?.font.bold()
//cancel.setTitleColor(.systemRed, for: .normal)
let buttons = UIStackView(arrangedSubviews: [cancel, save])
buttons.axis = .horizontal
buttons.distribution = .fillEqually
let bg = UIView(frame: picker.frame)
bg.frame.size.height += buttons.frame.height + 15
bg.frame.origin.y = UIScreen.main.bounds.height - bg.frame.height - 15
bg.backgroundColor = .sysBg
bg.addSubview(picker)
bg.addSubview(buttons)
let clearBg = UIView()
clearBg.autoresizingMask = [.flexibleWidth, .flexibleHeight]
clearBg.addSubview(bg)
picker.anchor([.leading, .trailing, .top], to: bg)
picker.bottomAnchor =&= buttons.topAnchor
buttons.anchor([.leading, .trailing], to: bg)
buttons.bottomAnchor =&= bg.bottomAnchor - 15
bg.anchor([.leading, .trailing, .bottom], to: clearBg)
view = clearBg
view.isHidden = true // otherwise picker will flash on present
}
@objc private func didTapSave() {
dismiss(animated: true) {
self.callback(self.picker.date)
}
}
@objc private func didTapCancel() {
dismiss(animated: true)
}
private func presentIn(_ viewController: UIViewController, _ configure: ((UIDatePicker) -> Void)? = nil) {
viewController.present(self, animated: false) {
let control = self.view.subviews.first!
let prev = control.frame.origin.y
control.frame.origin.y += control.frame.height
self.view.isHidden = false
configure?(self.picker)
UIView.animate(withDuration: 0.3) {
self.view.backgroundColor = UIColor.black.withAlphaComponent(0.5)
control.frame.origin.y = prev
}
}
}
override func dismiss(animated flag: Bool, completion: (() -> Void)? = nil) {
UIView.animate(withDuration: 0.3, animations: {
let control = self.view.subviews.first!
self.view.backgroundColor = .clear
control.frame.origin.y += control.frame.height
}) { _ in
super.dismiss(animated: false, completion: completion)
}
}
}

View File

@@ -39,32 +39,3 @@ struct QuickUI {
return txt
}
}
extension NSMutableAttributedString {
static private var def: UIFont = .preferredFont(forTextStyle: .body)
func normal(_ str: String, _ style: UIFont.TextStyle = .body) -> Self { append(str, withFont: .preferredFont(forTextStyle: style)) }
func bold(_ str: String, _ style: UIFont.TextStyle = .body) -> Self { append(str, withFont: UIFont.preferredFont(forTextStyle: style).bold()) }
func italic(_ str: String, _ style: UIFont.TextStyle = .body) -> Self { append(str, withFont: UIFont.preferredFont(forTextStyle: style).italic()) }
func h1(_ str: String) -> Self { normal(str, .title1) }
func h2(_ str: String) -> Self { normal(str, .title2) }
func h3(_ str: String) -> Self { normal(str, .title3) }
private func append(_ str: String, withFont: UIFont) -> Self {
append(NSAttributedString(string: str, attributes: [
.font : withFont,
.foregroundColor : UIColor.sysFg
]))
return self
}
}
extension UIFont {
func withTraits(traits: UIFontDescriptor.SymbolicTraits) -> UIFont {
UIFont(descriptor: fontDescriptor.withSymbolicTraits(traits)!, size: 0) // keep size as is
}
func bold() -> UIFont { withTraits(traits: .traitBold) }
func italic() -> UIFont { withTraits(traits: .traitItalic) }
}

View File

@@ -47,7 +47,6 @@ class TutorialSheet: UIViewController, UIScrollViewDelegate {
let content = UIView()
x.addSubview(content)
content.translatesAutoresizingMaskIntoConstraints = false
content.anchor([.left, .right, .top, .bottom], to: x)
content.anchor([.width, .height], to: x) | .defaultLow
return x
@@ -62,7 +61,7 @@ class TutorialSheet: UIViewController, UIScrollViewDelegate {
// MARK: Init
required init?(coder: NSCoder) { super.init(coder: coder) }
required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") }
required init() {
super.init(nibName: nil, bundle: nil)
@@ -98,7 +97,6 @@ class TutorialSheet: UIViewController, UIScrollViewDelegate {
pager.numberOfPages += 1
updateButtonTitle()
let x = UIStackView(frame: pageScroll.bounds)
x.translatesAutoresizingMaskIntoConstraints = false
x.axis = .vertical
x.backgroundColor = UIColor.black
x.isOpaque = true
@@ -125,8 +123,6 @@ class TutorialSheet: UIViewController, UIScrollViewDelegate {
sheetBg.addSubview(pageScroll)
sheetBg.addSubview(button)
for x in sheetBg.subviews { x.translatesAutoresizingMaskIntoConstraints = false }
pager.anchor([.top, .left, .right], to: sheetBg)
pageScroll.topAnchor =&= pager.bottomAnchor
pageScroll.anchor([.left, .right, .top, .bottom], to: sheetBg, margin: cornerRadius/2) | .defaultHigh