Merge pull request #33 from AckeeCZ/improve_example

Improve example

ACKategories-Example/AppDelegate.swift

@@ -10,13 +10,18 @@ import UIKit
 
 @UIApplicationMain
 final class AppDelegate: UIResponder, UIApplicationDelegate {
-
+    private lazy var appFlow = AppFlowCoordinator()
+
     var window: UIWindow?
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
-        window = UIWindow(frame: UIScreen.main.bounds)
-        window?.rootViewController = ViewController()
-        window?.makeKeyAndVisible()
+        let window = UIWindow(frame: UIScreen.main.bounds)
+
+        self.window = window
+        self.window?.makeKeyAndVisible()
+
+        appFlow.start(in: window)
+
         return true
     }
 }

ACKategories-Example/Flow coordinators/AppFlowCoordinator.swift

@@ -0,0 +1,41 @@
+//
+//  AppFlowCoordinator.swift
+//  ACKategories-Example
+//
+//  Created by Jakub Olejník on 12/09/2018.
+//  Copyright © 2018 Ackee, s.r.o. All rights reserved.
+//
+
+import UIKit
+import ACKategories
+
+final class AppFlowCoordinator: FlowCoordinator {
+    override func start(in window: UIWindow) {
+        super.start(in: window)
+
+        let exampleListVM = ExampleListViewModel()
+        let exampleListVC = ExampleListViewController(viewModel: exampleListVM)
+        exampleListVC.flowDelegate = self
+
+        let navigationController = UINavigationController(rootViewController: exampleListVC)
+        window.rootViewController = navigationController
+
+        self.rootViewController = navigationController
+        self.navigationController = navigationController
+    }    
+}
+
+extension AppFlowCoordinator: ExampleListFlowDelegate {
+    func exampleItemSelected(_ item: ExampleItem, in viewController: ExampleListViewController) {
+        let itemVC = controller(for: item)
+        itemVC.title = item.title
+        navigationController?.pushViewController(itemVC, animated: true)
+    }
+
+    private func controller(for item: ExampleItem) -> UIViewController {
+        switch item {
+        case .uiControlBlocks: return UIControlBlocksViewController()
+        case .viewControllerComposition: return VCCompositionViewController()
+        }
+    }
+}

ACKategories-Example/Model/ExampleItem.swift

@@ -0,0 +1,26 @@
+//
+//  ExampleItem.swift
+//  ACKategories-Example
+//
+//  Created by Jakub Olejník on 12/09/2018.
+//  Copyright © 2018 Ackee, s.r.o. All rights reserved.
+//
+
+import Foundation
+
+enum ExampleItem {
+    case uiControlBlocks
+    case viewControllerComposition
+
+    static var allCases: [ExampleItem] { return [.uiControlBlocks, .viewControllerComposition] }
+
+    var title: String { return data.title }
+    var subtitle: String { return data.subtitle }
+
+    private var data: (title: String, subtitle: String) {
+        switch self {
+        case .uiControlBlocks: return ("UIControl blocks", "Use closures instead of target - selector pattern")
+        case .viewControllerComposition: return ("View controller composition", "Simply embed view controller into another one")
+        }
+    }
+}

ACKategories-Example/Screens/Example list/ExampleListViewController.swift

@@ -0,0 +1,79 @@
+//
+//  ExampleListViewController.swift
+//  ACKategories-Example
+//
+//  Created by Jakub Olejník on 12/09/2018.
+//  Copyright © 2018 Ackee, s.r.o. All rights reserved.
+//
+
+import UIKit
+
+protocol ExampleListFlowDelegate: class {
+    func exampleItemSelected(_ item: ExampleItem, in viewController: ExampleListViewController)
+}
+
+final class ExampleListViewController: UIViewController {
+    weak var flowDelegate: ExampleListFlowDelegate?
+
+    private weak var tableView: UITableView!
+
+    private let viewModel: ExampleListViewModeling
+
+    // MARK: Initializers
+
+    init(viewModel: ExampleListViewModeling) {
+        self.viewModel = viewModel
+        super.init(nibName: nil, bundle: nil)
+        self.title = "ACKategories"
+    }
+
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    // MARK: View life cycle
+
+    override func loadView() {
+        super.loadView()
+
+        let tableView = UITableView()
+        view.addSubview(tableView)
+        tableView.snp.makeConstraints { (make) in
+            make.edges.equalToSuperview()
+        }
+        self.tableView = tableView
+    }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        tableView.delegate = self
+        tableView.dataSource = self
+    }
+
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+
+        tableView.indexPathsForVisibleRows?.forEach { tableView.deselectRow(at: $0, animated: true) }
+    }
+}
+
+extension ExampleListViewController: UITableViewDataSource {
+    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return viewModel.items.count
+    }
+
+    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let item = viewModel.items[indexPath.row]
+        let cell: TitleSubtitleTableViewCell = tableView.dequeueCell(for: indexPath)
+        cell.textLabel?.text = item.title
+        cell.detailTextLabel?.text = item.subtitle
+        return cell
+    }
+}
+
+extension ExampleListViewController: UITableViewDelegate {
+    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        flowDelegate?.exampleItemSelected(viewModel.items[indexPath.row], in: self)
+    }
+}

ACKategories-Example/Screens/Example list/ExampleListViewModel.swift

@@ -0,0 +1,25 @@
+//
+//  ExampleListViewModel.swift
+//  ACKategories
+//
+//  Created by Jakub Olejník on 12/09/2018.
+//  Copyright © 2018 Ackee, s.r.o. All rights reserved.
+//
+
+protocol ExampleListViewModelingActions {
+
+}
+
+protocol ExampleListViewModeling {
+	var actions: ExampleListViewModelingActions { get }
+
+    var items: [ExampleItem] { get }
+}
+
+extension ExampleListViewModeling where Self: ExampleListViewModelingActions {
+    var actions: ExampleListViewModelingActions { return self }
+}
+
+final class ExampleListViewModel: ExampleListViewModeling, ExampleListViewModelingActions {
+    let items = ExampleItem.allCases
+}

ACKategories-Example/ViewController.swift → ACKategories-Example/Screens/UIControl blocks/UIControlBlocksViewController.swift

@@ -1,19 +1,19 @@
 //
-//  ViewController.swift
-//  ACKategories-Example
+//  UIControlBlocksViewController.swift
+//  ACKategories
 //
-//  Created by Jakub Olejník on 06/02/2018.
-//  Copyright © 2018 Josef Dolezal. All rights reserved.
+//  Created by Jakub Olejník on 12/09/2018.
+//  Copyright © 2018 Ackee, s.r.o. All rights reserved.
 //
 
 import UIKit
-import SnapKit
-import ACKategories
 
-final class ViewController: UIViewController {
+final class UIControlBlocksViewController: UIViewController {
 
     private weak var button: UIButton!
 
+    // MARK: View life cycle
+
     override func loadView() {
         super.loadView()
 
@@ -26,17 +26,6 @@ final class ViewController: UIViewController {
             make.center.equalToSuperview()
         }
         self.button = button
-
-        let container = UIView()
-        view.addSubview(container)
-        container.snp.makeConstraints { (make) in
-            make.bottom.leading.trailing.equalToSuperview()
-            make.height.equalTo(100)
-        }
-
-        let childVC = UIViewController()
-        childVC.view.backgroundColor = .red
-        display(childViewController: childVC, in: container)
     }
 
     override func viewDidLoad() {
@@ -51,10 +40,4 @@ final class ViewController: UIViewController {
             self.present(alertVC, animated: true)
         }
     }
-
-    override func didReceiveMemoryWarning() {
-        super.didReceiveMemoryWarning()
-        // Dispose of any resources that can be recreated.
-    }
-
 }

ACKategories-Example/Screens/VC composition/TitleViewController.swift

@@ -0,0 +1,45 @@
+//
+//  TitleViewController.swift
+//  ACKategories
+//
+//  Created by Jakub Olejník on 12/09/2018.
+//  Copyright © 2018 Ackee, s.r.o. All rights reserved.
+//
+
+import UIKit
+
+class TitleViewController: UIViewController {
+    private(set) weak var nameLabel: UILabel!
+
+    private let name: String
+    private let color: UIColor
+
+    // MARK: Initializers
+
+    init(name: String, color: UIColor) {
+        self.name = name
+        self.color = color
+        super.init(nibName: nil, bundle: nil)
+    }
+
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    // MARK: View life cycle
+
+    override func loadView() {
+        super.loadView()
+
+        view.backgroundColor = color
+
+        let nameLabel = UILabel()
+        nameLabel.textAlignment = .center
+        nameLabel.text = name
+        view.addSubview(nameLabel)
+        nameLabel.snp.makeConstraints { (make) in
+            make.leading.trailing.top.equalTo(safeArea).inset(20)
+        }
+        self.nameLabel = nameLabel
+    }
+}

ACKategories-Example/Screens/VC composition/VCCompositionViewController.swift

@@ -0,0 +1,39 @@
+//
+//  VCCompositionViewController.swift
+//  ACKategories
+//
+//  Created by Jakub Olejník on 12/09/2018.
+//  Copyright © 2018 Ackee, s.r.o. All rights reserved.
+//
+
+import UIKit
+import SnapKit
+
+final class VCCompositionViewController: TitleViewController {
+
+    // MARK: Initializers
+
+    init() {
+        super.init(name: "Parent", color: .lightGray)
+    }
+
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    // MARK: View life cycle
+
+    override func loadView() {
+        super.loadView()
+
+        let containerView = UIView()
+        view.addSubview(containerView)
+        containerView.snp.makeConstraints { (make) in
+            make.leading.trailing.bottom.equalToSuperview()
+            make.top.equalTo(nameLabel.snp.bottom).offset(30)
+        }
+
+        let childVC = TitleViewController(name: "Child", color: .blue)
+        display(childViewController: childVC, in: containerView)
+    }
+}

ACKategories-Example/View/TitleSubtitleTableViewCell.swift

@@ -0,0 +1,23 @@
+//
+//  TitleSubtitleTableViewCell.swift
+//  ACKategories-Example
+//
+//  Created by Jakub Olejník on 12/09/2018.
+//  Copyright © 2018 Ackee, s.r.o. All rights reserved.
+//
+
+import UIKit
+
+final class TitleSubtitleTableViewCell: UITableViewCell {
+
+    // MARK: Initializers
+
+    override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
+        super.init(style: .subtitle, reuseIdentifier: reuseIdentifier)
+    }
+
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+}