Add proper money display to sell view

Assets/Scenes/NewShop.unity

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Assets/Scripts/Shop/View/SellViewGrid.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Security.Permissions;
+using UnityEngine;
+using UnityEngine.Assertions;
+using UnityEngine.UI;
+
+public class SellViewGrid : ShopViewGrid
+{
+    protected override void RegisterMoneyObserver()
+    {
+        var moneyComp = GetComponentInChildren<InventoryMoneyDisplay>();
+        if (moneyComp != null) model.inventory.RegisterObserver(moneyComp);     // We wanna see our own money!
+    }
+}

Assets/Scripts/Shop/View/SellViewGrid.cs.meta

@@ -0,0 +1,11 @@
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+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/Shop/View/SellViewList.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Security.Permissions;
+using UnityEditor;
+using UnityEngine;
+using UnityEngine.Assertions;
+using UnityEngine.UI;
+
+/// <summary>
+/// This view is meant to be used in conjunction with a list. Realistically, it is mostly similar to the grid view,
+/// as both operate with prototypes!
+/// </summary>
+public class SellViewList : ShopViewList
+{
+    protected override void RegisterMoneyObserver()
+    {
+        var moneyComp = GetComponentInChildren<InventoryMoneyDisplay>();
+        if (moneyComp != null) model.inventory.RegisterObserver(moneyComp); // Same as grid sell view, we want to see our own money!
+    }
+}

Assets/Scripts/Shop/View/SellViewList.cs.meta

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Assets/Scripts/Shop/View/ShopView.cs

@@ -28,7 +28,7 @@ public abstract class ShopView : MonoBehaviour
     [SerializeField] protected LayoutGroup layoutGroup;   // The layout group that represents this view visually
 
     [SerializeField] private ModelComponent ownModel;    // Reference to the model this view technically belongs to
-    [SerializeField] private InventoryComponent tradePartner;    // Reference to the model this view technically belongs to
+    [SerializeField] protected InventoryComponent tradePartner;    // Reference to the model this view technically belongs to
 
     protected ShopModel model; // Model in MVC pattern
     protected ShopModel other; // Other model in MVC pattern (our own inventory)
@@ -50,11 +50,15 @@ public abstract class ShopView : MonoBehaviour
         //model.Subscribe(this);
     }
 
+    private void Start()
+    {
+        RegisterMoneyObserver();    // Make sure if this thing's got a money component somewhere we register it as an observer for the inventory we're looking at
+    }
+
     private void OnEnable()
     {
         // sanity check
         if (model == null) model = ownModel.Model;
-        RegisterMoneyObserver();    // Make sure if this thing's got a money component somewhere we register it as an observer for the inventory we're looking at
         model.SetTradePartner(tradePartner.Inventory);
         PopulateItemIconView(); //Display items
     }
@@ -66,12 +70,8 @@ public abstract class ShopView : MonoBehaviour
         UnregisterMoneyObserver();
     }
 
-    // If view is generic, and shopview was just an implementation, this would be more flexible in theory. But for now it's enough to just manually assign "ourselves" as trade partner if we know the model works on just one inventory
+    // The view should decide which inventory is used to display money. Who knows what might be needed!
-    private void RegisterMoneyObserver()
+    protected abstract void RegisterMoneyObserver();
-    {
-        var moneyComp = GetComponentInChildren<InventoryMoneyDisplay>();
-        if (moneyComp != null) tradePartner.Inventory.RegisterObserver(moneyComp);
-    }
 
     // Undo the above
     private void UnregisterMoneyObserver()

Assets/Scripts/Shop/View/ShopViewGrid.cs

@@ -25,6 +25,12 @@ public class ShopViewGrid : ShopView, IShopModelObserver<Item>
         print("ShopView Grid Initialised");
     }
 
+    protected override void RegisterMoneyObserver()
+    {
+        var moneyComp = GetComponentInChildren<InventoryMoneyDisplay>();
+        if (moneyComp != null) tradePartner.Inventory.RegisterObserver(moneyComp);
+    }
+
     protected override void SetupItemIconView()
     {
         _gridLayoutGroup.constraint = GridLayoutGroup.Constraint.FixedColumnCount;//Set the constraint mode of the GridLayoutGroup

Assets/Scripts/Shop/View/ShopViewList.cs

@@ -33,6 +33,12 @@ public class ShopViewList : ShopView, IShopModelObserver<Item>
         print("ShopView Grid Initialised");
     }
 
+    protected override void RegisterMoneyObserver()
+    {
+        var moneyComp = GetComponentInChildren<InventoryMoneyDisplay>();
+        if (moneyComp != null) tradePartner.Inventory.RegisterObserver(moneyComp);
+    }
+
     protected override void SetupItemIconView()
     {
         //_listLayoutGroup.constraint = GridLayoutGroup.Constraint.FixedColumnCount;//Set the constraint mode of the GridLayoutGroup