vds_ios/VDS/Classes/Control.swift
Matt Bruce 4e6d9b2f9d new funcs
Signed-off-by: Matt Bruce <matt.bruce@verizon.com>
2022-08-09 14:36:37 -05:00

98 lines
2.8 KiB
Swift

//
// Control.swift
// VDS
//
// Created by Matt Bruce on 7/22/22.
//
import Foundation
import UIKit
import Combine
open class Control<ModelType: Modelable>: UIControl, ModelHandlerable, ViewProtocol, Resettable {
@Published public var model: ModelType
private var cancellables = Set<AnyCancellable>()
private var shouldUpdate: Bool = false
open func set(with model: ModelType) {
self.model = model
}
open func shouldUpdateView(viewModel: ModelType) -> Bool {
fatalError("Implement shouldUpdateView")
}
open func updateView(viewModel: ModelType) {
fatalError("Implement updateView")
}
//--------------------------------------------------
// MARK: - Properties
//--------------------------------------------------
private var initialSetupPerformed = false
@Proxy(\.model.surface)
open var surface: Surface
@Proxy(\.model.disabled)
open var disabled: Bool
//--------------------------------------------------
// MARK: - Initializers
//--------------------------------------------------
required public init(with model: ModelType) {
self.model = model
super.init(frame: .zero)
initialSetup()
set(with: model)
}
public required init?(coder: NSCoder) {
self.model = ModelType.init()
super.init(coder: coder)
initialSetup()
}
//--------------------------------------------------
// MARK: - Setup
//--------------------------------------------------
public func initialSetup() {
if !initialSetupPerformed {
initialSetupPerformed = true
//setup shouldUpdate
$model.sink { [weak self] viewModel in
guard let self = self else { return }
let s = self.shouldUpdateView(viewModel: viewModel)
print("shouldUpdate - \(Self.self): \(s)")
self.shouldUpdate = s
}.store(in: &cancellables)
//setup viewUpdate
$model.debounce(for: .seconds(Constants.ModelStateDebounce), scheduler: RunLoop.main).sink { [weak self] viewModel in
guard let self = self else { return }
if self.shouldUpdate {
self.updateView(viewModel: viewModel)
self.shouldUpdate = false
print("didUpdate - \(Self.self)")
}
}.store(in: &cancellables)
setup()
}
}
open func reset() {
backgroundColor = .clear
}
// MARK: - ViewProtocol
/// Will be called only once.
open func setup() {
translatesAutoresizingMaskIntoConstraints = false
insetsLayoutMarginsFromSafeArea = false
}
}