Adds back/forward buttons to page menu

App/Document Controls UI/DocumentControlView.swift

@@ -31,8 +31,8 @@ class DocumentControlView: UIControl
         
         tintColor = .label
         
-        label.font = UIFont.preferredFont(forTextStyle: .subheadline)
-        label.textAlignment = .center
+        label.font = UIFont.preferredFont(forTextStyle: .body)
+        label.textAlignment = .left
         
         imageView.contentMode = .center
         

App/Document Controls UI/DocumentControlViewController.swift

@@ -9,9 +9,12 @@ import UIKit
 
 class DocumentControlViewController: UIViewController
 {
-    let documentControlView = StackView(dimension: .vertical)
+    let documentControlView = StackView<DocumentControlView>(dimension: .vertical)
     let fontSizeAdjustView = FontSizeAdjustView()
     let findOnPageControlView = DocumentControlView()
+    let navigationControlView = NavigationControlsView()
+    
+    var observations: [NSKeyValueObservation] = []
     
     static public let preferredWidth = CGFloat(200.0)
     
@@ -21,10 +24,13 @@ class DocumentControlViewController: UIViewController
         findOnPageControlView.label.text = "Find On Page"
         findOnPageControlView.imageView.image = UIImage(systemName: "magnifyingglass")
         
-        fontSizeAdjustView.drawsBottomSeparator = true
-        
+        documentControlView.addArrangedSubview(navigationControlView)
         documentControlView.addArrangedSubview(fontSizeAdjustView)
         documentControlView.addArrangedSubview(findOnPageControlView)
+        
+        for (i, view) in documentControlView.arrangedSubviews.enumerated() {
+            view.drawsBottomSeparator = (i < documentControlView.arrangedSubviews.count - 1)
+        }
     }
     
     override func loadView() {

App/Document Controls UI/NavigationControlsView.swift

@@ -0,0 +1,37 @@
+//
+//  NavigationControlsView.swift
+//  App
+//
+//  Created by James Magahern on 2/11/21.
+//
+
+import UIKit
+
+class NavigationControlsView: DocumentControlView
+{
+    let backButton = UIButton(frame: .zero)
+    let forwardButton = UIButton(frame: .zero)
+    
+    let stack = StackView(dimension: .horizontal, layoutType: .equalSize)
+    
+    override init() {
+        super.init()
+        
+        backButton.setImage(UIImage(systemName: "chevron.left"), for: .normal)
+        stack.addArrangedSubview(backButton)
+        
+        forwardButton.setImage(UIImage(systemName: "chevron.right"), for: .normal)
+        stack.addArrangedSubview(forwardButton)
+        
+        addSubview(stack)
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        stack.frame = bounds
+    }
+}