131 lines
4.5 KiB
Swift
131 lines
4.5 KiB
Swift
//
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// TestViewController.swift
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// VDSSample
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//
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// Created by Matt Bruce on 8/12/22.
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//
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import Foundation
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import UIKit
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import Combine
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import VDS
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struct User {
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var firstName: String
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var lastName: String
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}
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class UserNameView: UIControl {
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private let firstNameTextField = TextField()
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private let lastNameTextField = TextField()
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private var subscriptions = Set<AnyCancellable>()
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var user: User {
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User(firstName: firstNameTextField.text ?? "", lastName: lastNameTextField.text ?? "" )
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}
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init(user: User) {
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super.init(frame: .zero)
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firstNameTextField.text = user.firstName
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lastNameTextField.text = user.lastName
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translatesAutoresizingMaskIntoConstraints = false
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firstNameTextField.translatesAutoresizingMaskIntoConstraints = false
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lastNameTextField.translatesAutoresizingMaskIntoConstraints = false
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addSubview(firstNameTextField)
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addSubview(lastNameTextField)
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firstNameTextField.leadingAnchor.constraint(equalTo: leadingAnchor).isActive = true
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firstNameTextField.trailingAnchor.constraint(equalTo: trailingAnchor).isActive = true
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firstNameTextField.topAnchor.constraint(equalTo: topAnchor).isActive = true
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firstNameTextField.heightAnchor.constraint(equalToConstant: 50).isActive = true
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lastNameTextField.topAnchor.constraint(equalTo: firstNameTextField.bottomAnchor, constant: 20).isActive = true
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lastNameTextField.leadingAnchor.constraint(equalTo: leadingAnchor).isActive = true
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lastNameTextField.trailingAnchor.constraint(equalTo: trailingAnchor).isActive = true
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lastNameTextField.heightAnchor.constraint(equalToConstant: 50).isActive = true
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lastNameTextField.bottomAnchor.constraint(equalTo: bottomAnchor).isActive = true
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firstNameTextField
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.textPublisher
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.sink { [weak self] _ in
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self?.sendActions(for: .valueChanged)
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}.store(in: &subscriptions)
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lastNameTextField
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.textPublisher
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.sink { [weak self] _ in
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self?.sendActions(for: .valueChanged)
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}.store(in: &subscriptions)
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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}
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@objcMembers class TestViewController: UIViewController, Initable {
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deinit {
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print("\(Self.self) deinit")
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}
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var user = User(firstName: "Joe", lastName: "User") {
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didSet {
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print("User oldValue: \(oldValue)")
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print("User newValue: \(user)")
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}
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}
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private var subscriptions = Set<AnyCancellable>()
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required init() {
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super.init(nibName: nil, bundle: nil)
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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view.backgroundColor = .white
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let nameTextField = UserNameView(user: user)
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let button = UIButton()
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button.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(nameTextField)
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view.addSubview(button)
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nameTextField.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor, constant: 20).isActive = true
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nameTextField.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor, constant: -20).isActive = true
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nameTextField.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor, constant: 20).isActive = true
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button.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor, constant: 20).isActive = true
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button.topAnchor.constraint(equalTo: nameTextField.bottomAnchor, constant: 20).isActive = true
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button.heightAnchor.constraint(equalToConstant: 50).isActive = true
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button.widthAnchor.constraint(equalToConstant: 100).isActive = true
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button.backgroundColor = .blue
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button.setTitle("Print", for: .normal)
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//publishers
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nameTextField
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.publisher(for: .valueChanged)
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.sink(receiveValue: { [weak self] control in
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guard let self else { return }
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self.user = control.user
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})
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.store(in: &subscriptions)
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button
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.tapPublisher
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.sink { [weak self] _ in
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if let user = self?.user {
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print("\(user.firstName) \(user.lastName)")
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}
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}.store(in: &subscriptions)
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}
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}
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