104 lines
2.9 KiB
Swift
104 lines
2.9 KiB
Swift
//
|
|
// FormSheet.swift
|
|
//
|
|
//
|
|
// Created by Jackson Harper on 1/29/22.
|
|
//
|
|
|
|
import SwiftUI
|
|
|
|
#if os(iOS)
|
|
|
|
class FormSheetWrapper<Content: View>: UIViewController, UIPopoverPresentationControllerDelegate {
|
|
var content: () -> Content
|
|
var onDismiss: (() -> Void)?
|
|
var modalSize: CGSize
|
|
|
|
private var hostVC: UIHostingController<Content>?
|
|
|
|
@available(*, unavailable)
|
|
required init?(coder _: NSCoder) { fatalError("") }
|
|
|
|
init(content: @escaping () -> Content, modalSize: CGSize) {
|
|
self.content = content
|
|
self.modalSize = modalSize
|
|
super.init(nibName: nil, bundle: nil)
|
|
}
|
|
|
|
func show() {
|
|
guard hostVC == nil else { return }
|
|
let controller = UIHostingController(rootView: content())
|
|
|
|
if controller.traitCollection.userInterfaceIdiom == .phone {
|
|
if let sheet = controller.sheetPresentationController {
|
|
sheet.preferredCornerRadius = 16
|
|
sheet.prefersGrabberVisible = false
|
|
sheet.detents = [.medium()]
|
|
sheet.widthFollowsPreferredContentSizeWhenEdgeAttached = true
|
|
}
|
|
|
|
controller.modalPresentationStyle = .pageSheet
|
|
} else {
|
|
controller.view.sizeToFit()
|
|
controller.modalPresentationStyle = .formSheet
|
|
controller.modalTransitionStyle = .crossDissolve
|
|
controller.preferredContentSize = CGSize(width: 320, height: 320)
|
|
}
|
|
|
|
controller.presentationController?.delegate = self
|
|
hostVC = controller
|
|
present(controller, animated: true, completion: nil)
|
|
}
|
|
|
|
func hide() {
|
|
guard let controller = hostVC, !controller.isBeingDismissed else { return }
|
|
dismiss(animated: true, completion: nil)
|
|
hostVC = nil
|
|
}
|
|
|
|
func presentationControllerWillDismiss(_: UIPresentationController) {
|
|
hostVC = nil
|
|
onDismiss?()
|
|
}
|
|
}
|
|
|
|
struct FormSheet<Content: View>: UIViewControllerRepresentable {
|
|
@Binding var show: Bool
|
|
|
|
let modalSize: CGSize
|
|
let content: () -> Content
|
|
|
|
func makeUIViewController(
|
|
context _: UIViewControllerRepresentableContext<FormSheet<Content>>
|
|
) -> FormSheetWrapper<Content> {
|
|
let controller = FormSheetWrapper(content: content, modalSize: modalSize)
|
|
controller.onDismiss = { self.show = false }
|
|
return controller
|
|
}
|
|
|
|
func updateUIViewController(
|
|
_ uiViewController: FormSheetWrapper<Content>,
|
|
context _: UIViewControllerRepresentableContext<FormSheet<Content>>
|
|
) {
|
|
if show {
|
|
uiViewController.show()
|
|
} else {
|
|
uiViewController.hide()
|
|
}
|
|
}
|
|
}
|
|
|
|
public extension View {
|
|
func formSheet<Content: View>(
|
|
isPresented: Binding<Bool>,
|
|
modalSize: CGSize = CGSize(width: 320, height: 320),
|
|
@ViewBuilder content: @escaping () -> Content
|
|
) -> some View {
|
|
background(FormSheet(show: isPresented,
|
|
modalSize: modalSize,
|
|
content: content))
|
|
}
|
|
}
|
|
|
|
#endif
|