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Examples/ManagerExample/SignUpViewController.swift

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+//
+//  SignUpViewController.swift
+//  ManagerExample
+//
+//  Created by Drew Olbrich on 1/10/19.
+//  Copyright 2019 Oath Inc.
+//
+//  Licensed under the terms of the MIT License. See the file LICENSE for the full terms.
+//
+
+import UIKit
+import ScrollingContentViewController
+
+/// A class that demonstrates using `ScrollingContentViewManager` in conjunction
+/// with an arbitrary `UIViewController` class instead of subclassing
+/// `ScrollingContentViewController`.
+class SignUpViewController: UIViewController {
+
+    private lazy var scrollingContentViewManager = ScrollingContentViewManager(hostViewController: self)
+
+    /// Helper object that encapsulates code common to all
+    /// `ScrollingContentViewController` example applications.
+    private var signUpController: SignUpController?
+
+    @IBOutlet weak var contentView: UIView!
+
+    @IBOutlet weak var logoImageView: UIImageView!
+
+    @IBOutlet weak var nameTextField: PillTextField!
+    @IBOutlet weak var emailTextField: PillTextField!
+    @IBOutlet weak var passwordTextField: PillTextField!
+
+    @IBOutlet weak var signUpButton: PillButton!
+    @IBOutlet weak var signInButton: UIButton!
+
+    override var preferredStatusBarStyle: UIStatusBarStyle {
+        return .lightContent
+    }
+
+    override func loadView() {
+        // Load all controls and connect all outlets defined by Interface Builder.
+        super.loadView()
+
+        scrollingContentViewManager.loadView(forContentView: contentView)
+
+        // Replace the root view with a gradient view.
+        view = GradientBackgroundView()
+    }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        // Set the content view's background color to transparent so the gradient
+        // background root view can be seen behind it.
+        contentView.backgroundColor = nil
+
+        // When ScrollingContentViewManager.contentView is first assigned, this has the
+        // side effect of adding a scroll view to the view controller's root view, and
+        // adding the content view to the scroll view. If a new view was assigned to this
+        // property later, it would replace the existing content view in the scroll view
+        // and leave the scroll view unchanged.
+        scrollingContentViewManager.contentView = contentView
+
+        // Allow the content view to shrink vertically when the keyboard is presented.
+        scrollingContentViewManager.shouldResizeContentViewForKeyboard = true
+
+        // Allow the user to dismiss the keyboard by dragging from the scroll view to the
+        // bottom of the screen.
+        scrollingContentViewManager.scrollView.keyboardDismissMode = .interactive
+
+        signUpController = SignUpController(logoImageView: logoImageView, nameTextField: nameTextField, emailTextField: emailTextField, passwordTextField: passwordTextField, signUpButton: signUpButton, signInButton: signInButton, delegate: self)
+    }
+
+    // Note: This is only required in apps that support device orientation changes.
+    override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
+        super.viewWillTransition(to: size, with: coordinator)
+
+        scrollingContentViewManager.viewWillTransition(to: size, with: coordinator)
+    }
+
+    /// Note: This is only required in apps with navigation controllers that are used to
+    /// push sequences of view controllers with text fields that become the first
+    /// responder in `viewWillAppear`.
+    override func viewSafeAreaInsetsDidChange() {
+        super.viewSafeAreaInsetsDidChange()
+
+        scrollingContentViewManager.viewSafeAreaInsetsDidChange()
+    }
+
+}
+
+extension SignUpViewController: SignUpControllerDelegate {
+
+    func signUpControllerScrollFirstResponderToVisible(_ signUpController: SignUpController) {
+        scrollingContentViewManager.scrollView.scrollFirstResponderToVisible(animated: true)
+    }
+
+}