From 0c11ded57778570e316f981f16a4ac4f4361d567 Mon Sep 17 00:00:00 2001
From: Kevin G Christiano <kevin.christiano@verizonwireless.com>
Date: Fri, 21 Feb 2020 14:41:53 -0500
Subject: [PATCH] rolled back change.

---
 MVMCoreUI/Organisms/Stack.swift | 35 ++++++++++++++++++++++++++++-----
 1 file changed, 30 insertions(+), 5 deletions(-)

diff --git a/MVMCoreUI/Organisms/Stack.swift b/MVMCoreUI/Organisms/Stack.swift
index 1f2fa288..67ff0110 100644
--- a/MVMCoreUI/Organisms/Stack.swift
+++ b/MVMCoreUI/Organisms/Stack.swift
@@ -9,13 +9,20 @@
 import Foundation
 
 open class Stack<T>: Container where T: StackModelProtocol {
+    //--------------------------------------------------
+    // MARK: - Properties
+    //--------------------------------------------------
+    
     var contentView: UIView = MVMCoreUICommonViewsUtility.commonView()
     var stackModel: T? {
         get { return model as? T }
     }
     var stackItems: [UIView] = []
     
+    //--------------------------------------------------
     // MARK: - Helpers
+    //--------------------------------------------------
+ 
     public func pinView(_ view: UIView, toView: UIView, attribute: NSLayoutConstraint.Attribute, relation: NSLayoutConstraint.Relation, priority: UILayoutPriority, constant: CGFloat) {
         let constraint = NSLayoutConstraint(item: view, attribute: attribute, relatedBy: relation, toItem: toView, attribute: attribute, multiplier: 1.0, constant: constant)
         constraint.priority = priority
@@ -45,8 +52,11 @@ open class Stack<T>: Container where T: StackModelProtocol {
             item.removeFromSuperview()
         }
     }
+    
+    //--------------------------------------------------
+    // MARK: - Initializers
+    //--------------------------------------------------
 
-    // MARK: - Inits
     public override init(frame: CGRect) {
         super.init(frame: frame)
     }
@@ -60,7 +70,10 @@ open class Stack<T>: Container where T: StackModelProtocol {
         fatalError("init(coder:) has not been implemented")
     }
     
+    //--------------------------------------------------
     // MARK: - MFViewProtocol
+    //--------------------------------------------------
+  
     public override func setupView() {
         super.setupView()
         guard contentView.superview == nil else { return }
@@ -80,7 +93,10 @@ open class Stack<T>: Container where T: StackModelProtocol {
         }
     }
     
+    //--------------------------------------------------
     // MARK: - MVMCoreUIMoleculeViewProtocol
+    //--------------------------------------------------
+
     public override func reset() {
         super.reset()
         backgroundColor = .clear
@@ -157,8 +173,10 @@ open class Stack<T>: Container where T: StackModelProtocol {
         return modules.count > 0 ? modules : nil
     }
     
+    //--------------------------------------------------
     // MARK: - Subclassables
-
+    //--------------------------------------------------
+    
     /// Can be subclassed to create views when we get stack item models and have no views yet
     func createStackItemsFromModel(_ model: MoleculeModelProtocol?, _ delegateObject: MVMCoreUIDelegateObject?, _ additionalData: [AnyHashable: Any]?) { }
     
@@ -170,7 +188,10 @@ open class Stack<T>: Container where T: StackModelProtocol {
         }
     }
     
+    //--------------------------------------------------
     // MARK: - Adding to stack
+    //--------------------------------------------------
+
     /// Gets the percent modifier. This value is used to help properly calculate percent for stack items when spacing is involved.
     private func getTotalSpace() -> CGFloat {
         guard let stackModel = stackModel else { return 0.0 }
@@ -213,13 +234,15 @@ open class Stack<T>: Container where T: StackModelProtocol {
         if stackModel.axis == .vertical {
             if first {
                 pinView(view, toView: contentView, attribute: .top, relation: .equal, priority: .required, constant: stackModel.useStackSpacingBeforeFirstItem ? spacing : model.spacing ?? 0)
-            } else if let previousView = stackItems.last(where: { item in !model.gone }) {
+            } else if let previousView = stackItems.last(where: { item in
+                return !model.gone
+            }) {
                 view.topAnchor.constraint(equalTo: previousView.bottomAnchor, constant: spacing).isActive = true
             }
             pinView(view, toView: contentView, attribute: .leading, relation: .equal, priority: .required, constant: 0)
             pinView(contentView, toView: view, attribute: .trailing, relation: .equal, priority: .required, constant: 0)
             if let percent = model.percent {
-                let multiplier = CGFloat(percent)/100.0
+                let multiplier = CGFloat(percent) / 100.0
                 let constant = multiplier * totalSpacing
                 view.heightAnchor.constraint(equalTo: contentView.heightAnchor, multiplier: multiplier, constant: -constant).isActive = true
             }
@@ -230,7 +253,9 @@ open class Stack<T>: Container where T: StackModelProtocol {
             if first {
                 // First horizontal item has no spacing by default unless told otherwise.
                 pinView(view, toView: contentView, attribute: .leading, relation: .equal, priority: .required, constant: stackModel.useStackSpacingBeforeFirstItem ? spacing : model.spacing ?? 0)
-            } else if let previousView = stackItems.last(where: { item in !model.gone }) {
+            } else if let previousView = stackItems.last(where: { item in
+                return !model.gone
+            }) {
                 view.leftAnchor.constraint(equalTo: previousView.rightAnchor, constant: spacing).isActive = true
             }
             pinView(view, toView: contentView, attribute: .top, relation: .equal, priority: .required, constant: 0)