Created frame for FindWindow, shortened CoinCollection

PcgsInvUi/ViewModels/MainWindowViewModel.cs

@@ -27,6 +27,7 @@ public class MainWindowViewModel : ViewModelBase
         private set => this.RaiseAndSetIfChanged(ref _sideContent, value);
     }
     public ObservableCollection<Coin> CoinCollection { get; set; }
+    public ObservableCollection<Coin> DisplayedList { get; set; }
     public Coin? SelectedCoin
     {
         get => _selectedCoin;
@@ -39,6 +40,8 @@ public class MainWindowViewModel : ViewModelBase
     }
     public ReactiveCommand<Unit, Unit> DeleteCommand { get; }
     public Interaction<DeleteWindowViewModel, Boolean> ShowDeleteWindow { get; }
+    public ReactiveCommand<Unit, Coin> FindCommand { get; }
+    public Interaction<FindWindowViewModel, int> ShowFindWindow { get; }
     
     private ViewModelBase _sideContent;
     private Coin? _selectedCoin;
@@ -49,9 +52,10 @@ public class MainWindowViewModel : ViewModelBase
     {
         var newViewModel = new NewViewModel();
         _sideContent = newViewModel;
-        CoinCollection = new ObservableCollection<Coin>(coins.GetItems());
+        DisplayedList = CoinCollection = new ObservableCollection<Coin>(coins.GetItems());
         _pcgsClient = new PcgsClient("eAb8gS0I2XAvT_5gJeiGJaglMia1Tk-oB4kJUK6kuafyrny_S61vIJY-Ikl4nCQM67wrdxzUqLVWTV2kBSxD3d5XNBHxHnYBhcSS6dOPug0hZaF3qAv56df3gYSzOGh9Tif5y0eP3Iw0LrqKDr1Hj-dk6SV6GKog2IIqCPQhhHH8FMTWBTYO-_O8cx7qLdM5GM8KlTsic6g3VRUhM8EA_4OO04dCfmNLGhqINRl3jGZ0Q4ziI8fng2bVWsIyteqiPzUn10rIQ3-OPpqVZG_DxeOmOejj4GzbUNyqUOajy-nr5rYY");
         
+        // Set up the ability to open the delete window.
         ShowDeleteWindow = new Interaction<DeleteWindowViewModel, bool>();
         var deleteEnabled = this.WhenAnyValue(x => x.SelectedCoin)
             .Select(x => x != null);
@@ -61,6 +65,19 @@ public class MainWindowViewModel : ViewModelBase
             var result = await ShowDeleteWindow.Handle(deleteViewModel);
             if (result) CoinCollection.Remove(SelectedCoin);  // possible null deref - ignored due to button being disabled.
         }, deleteEnabled);
+
+        // Set up the ability to open the find window.
+        ShowFindWindow = new Interaction<FindWindowViewModel, int>();
+        var findEnabled = this.WhenAnyValue(x => x.CoinCollection.Count,
+            x => x > 0);
+        FindCommand = ReactiveCommand.CreateFromTask(async () =>
+        {
+            var findViewModel = new FindWindowViewModel();
+            var result = await ShowFindWindow.Handle(findViewModel);
+            // Find the coin with the matching ID. The issue is that there could be multiple - so we need to return a list.
+            // Perhaps a secondary viewmodel?
+            return new Coin();
+        }, findEnabled);
         
         // Subscribe to SidebarContent.OkCommand, which is an IObservable<(int, string, int)>
         // This is the same as the above, but with a different syntax.