118 lines
4.5 KiB
Swift
118 lines
4.5 KiB
Swift
//
|
|
// ModalDialogViewController.swift
|
|
// VDS
|
|
//
|
|
// Created by Kanamarlapudi, Vasavi on 09/09/24.
|
|
//
|
|
|
|
import Foundation
|
|
import UIKit
|
|
import Combine
|
|
import VDSCoreTokens
|
|
|
|
@objcMembers
|
|
@objc(VDSModalDialogViewController)
|
|
open class ModalDialogViewController: UIViewController, Surfaceable {
|
|
|
|
/// Set of Subscribers for any Publishers for this Control.
|
|
open var subscribers = Set<AnyCancellable>()
|
|
|
|
//--------------------------------------------------
|
|
// MARK: - Private Properties
|
|
//--------------------------------------------------
|
|
private var onClickSubscriber: AnyCancellable? {
|
|
willSet {
|
|
if let onClickSubscriber {
|
|
onClickSubscriber.cancel()
|
|
}
|
|
}
|
|
}
|
|
|
|
private let modalDialog = ModalDialog()
|
|
|
|
//--------------------------------------------------
|
|
// MARK: - Public Properties
|
|
//--------------------------------------------------
|
|
/// Current Surface and this is used to pass down to child objects that implement Surfacable
|
|
open var surface: Surface = .light { didSet { updateView() }}
|
|
open var modalModel = Modal.ModalModel() { didSet { updateView() }}
|
|
open var presenter: UIView? { didSet { updateView() }}
|
|
|
|
//--------------------------------------------------
|
|
// MARK: - Configuration
|
|
//--------------------------------------------------
|
|
private let backgroundColorConfiguration = SurfaceColorConfiguration(VDSColor.paletteBlack, VDSColor.paletteWhite)
|
|
|
|
//--------------------------------------------------
|
|
// MARK: - Lifecycle
|
|
//--------------------------------------------------
|
|
open override func viewDidLoad() {
|
|
super.viewDidLoad()
|
|
isModalInPresentation = true
|
|
setup()
|
|
}
|
|
open override func viewDidAppear(_ animated: Bool) {
|
|
super.viewDidAppear(animated)
|
|
UIAccessibility.post(notification: .screenChanged, argument: modalDialog)
|
|
}
|
|
|
|
private func dismiss() {
|
|
dismiss(animated: true) { [weak self] in
|
|
guard let self, let presenter else { return }
|
|
UIAccessibility.post(notification: .layoutChanged, argument: presenter)
|
|
}
|
|
}
|
|
|
|
open func setup() {
|
|
view.accessibilityElements = [modalDialog]
|
|
|
|
//left-right swipe
|
|
view.publisher(for: UISwipeGestureRecognizer().with{ $0.direction = .right })
|
|
.sink { [weak self] swipe in
|
|
guard let self, !UIAccessibility.isVoiceOverRunning else { return }
|
|
self.dismiss()
|
|
}.store(in: &subscribers)
|
|
|
|
//tapping in background
|
|
view.publisher(for: UITapGestureRecognizer().with{ $0.numberOfTapsRequired = 1 })
|
|
.sink { [weak self] swipe in
|
|
guard let self, !UIAccessibility.isVoiceOverRunning else { return }
|
|
self.dismiss()
|
|
}.store(in: &subscribers)
|
|
|
|
//clicking button
|
|
onClickSubscriber = modalDialog.closeCrossButton.publisher(for: .touchUpInside)
|
|
.sink {[weak self] button in
|
|
guard let self else { return }
|
|
self.dismiss()
|
|
}
|
|
|
|
view.addSubview(modalDialog)
|
|
|
|
// Activate constraints
|
|
UIDevice.isIPad ?
|
|
NSLayoutConstraint.activate([
|
|
// Constraints for the floating modal view
|
|
modalDialog.centerXAnchor.constraint(equalTo: view.centerXAnchor),
|
|
modalDialog.centerYAnchor.constraint(equalTo: view.centerYAnchor),
|
|
modalDialog.leadingAnchor.constraint(greaterThanOrEqualTo: view.leadingAnchor),
|
|
modalDialog.trailingAnchor.constraint(lessThanOrEqualTo: view.trailingAnchor),
|
|
modalDialog.topAnchor.constraint(greaterThanOrEqualTo: view.topAnchor),
|
|
modalDialog.bottomAnchor.constraint(lessThanOrEqualTo: view.bottomAnchor)
|
|
]) : NSLayoutConstraint.activate([
|
|
// Constraints for the floating modal view
|
|
modalDialog.leadingAnchor.constraint(equalTo: view.leadingAnchor),
|
|
modalDialog.trailingAnchor.constraint(equalTo: view.trailingAnchor),
|
|
modalDialog.topAnchor.constraint(equalTo: view.topAnchor),
|
|
modalDialog.bottomAnchor.constraint(equalTo: view.bottomAnchor)
|
|
])
|
|
}
|
|
|
|
/// Used to make changes to the View based off a change events or from local properties.
|
|
open func updateView() {
|
|
view.backgroundColor = backgroundColorConfiguration.getColor(self).withAlphaComponent(0.8)
|
|
modalDialog.surface = surface
|
|
modalDialog.modalModel = modalModel
|
|
}
|
|
}
|