Work on onboarding

Author: dirkwhoffmann

GUI/Metal/Layers/Onboarding.swift

@@ -59,6 +59,10 @@ class OnboardingLayerViewController: NSViewController {
 
     @IBOutlet weak var pageContainerView: OnboardingPageContainerView!
     @IBOutlet weak var pageDotIndicator: PageDotsIndicator!
+    @IBOutlet weak var nextButton: NSButton!
+    @IBOutlet weak var prevButton: NSButton!
+    @IBOutlet weak var skipButton: NSButton!
+
     var layer: Onboarding!
 
     private var pages: [NSViewController] = []
@@ -73,15 +77,13 @@ class OnboardingLayerViewController: NSViewController {
 
     override func viewDidAppear() {
 
-        print("View did appear...")
-
         func instantiate(_ id: String) -> NSViewController {
 
             let storyboard = NSStoryboard(name: "Onboarding", bundle: nil)
             return storyboard.instantiateController(withIdentifier: id) as! NSViewController
         }
 
-        // Remove all child view controllers and their views
+        // Start over by removing all child view controllers and their views
         for child in children {
             child.view.removeFromSuperview()
             child.removeFromParent()
@@ -139,6 +141,8 @@ class OnboardingLayerViewController: NSViewController {
         }
 
         currentPageIndex = index
+        prevButton.isEnabled = currentPageIndex > 0
+        nextButton.title = currentPageIndex == pages.count - 1 ? "Finish" : "Continue"
     }
 
     @IBAction func nextPage(_ sender: Any?) {

GUI/XIB files/Onboarding.storyboard

@@ -76,8 +76,11 @@ DQ
                         </subviews>
                     </view>
                     <connections>
+                        <outlet property="nextButton" destination="PDd-Tl-hJY" id="Hc8-IX-Odw"/>
                         <outlet property="pageContainerView" destination="Uot-uQ-lVb" id="bvy-nm-GHT"/>
                         <outlet property="pageDotIndicator" destination="vad-mh-PS5" id="iGw-vp-icG"/>
+                        <outlet property="prevButton" destination="Z3E-sm-lCI" id="CSU-IQ-rNI"/>
+                        <outlet property="skipButton" destination="DYH-SO-7ZG" id="I7C-Xc-cgf"/>
                     </connections>
                 </viewController>
                 <customObject id="Ba7-d5-KMO" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>