Terminal UI V2, advanced binding

src/ConsoleApp/FileTime.ConsoleUI.App/MainWindow.cs

@@ -1,9 +1,12 @@
-using System.Linq.Expressions;
+using System.Collections.ObjectModel;
+using System.Linq.Expressions;
 using DeclarativeProperty;
+using FileTime.App.Core.Models.Enums;
 using FileTime.App.Core.ViewModels;
 using TerminalUI;
 using TerminalUI.Controls;
 using TerminalUI.Extensions;
+using TerminalUI.Models;
 
 namespace FileTime.ConsoleUI.App;
 
@@ -11,22 +14,28 @@ public class MainWindow
 {
     private readonly IConsoleAppState _consoleAppState;
     private readonly IApplicationContext _applicationContext;
-    private const int ParentColumnWidth = 20;
+    private readonly ITheme _theme;
+    private ListView<IAppState, IItemViewModel> _selectedItemsView;
 
-    public MainWindow(IConsoleAppState consoleAppState, IApplicationContext applicationContext)
+    public MainWindow(
+        IConsoleAppState consoleAppState,
+        IApplicationContext applicationContext,
+        ITheme theme)
     {
         _consoleAppState = consoleAppState;
         _applicationContext = applicationContext;
+        _theme = theme;
     }
 
     public void Initialize()
     {
-        ListView<IAppState, IItemViewModel> selectedItemsView = new()
+        _selectedItemsView = new()
         {
+            DataContext = _consoleAppState,
             ApplicationContext = _applicationContext
         };
-        selectedItemsView.DataContext = _consoleAppState;
-        selectedItemsView.ItemTemplate = item =>
+
+        _selectedItemsView.ItemTemplate = item =>
         {
             var textBlock = item.CreateChild<TextBlock<IItemViewModel>>();
             textBlock.Bind(
@@ -34,15 +43,44 @@ public class MainWindow
                 dc => dc == null ? string.Empty : dc.DisplayNameText,
                 tb => tb.Text
             );
+            textBlock.Bind(
+                textBlock,
+                dc => dc == null ? _theme.DefaultForegroundColor : ToForegroundColor(dc.ViewMode.Value),
+                tb => tb.Foreground
+            );
 
             return textBlock;
         };
 
-        selectedItemsView.Bind(
-            selectedItemsView,
-            appState => appState.SelectedTab.Map(t => t == null ? null : t.CurrentItems).Switch(),
+        _selectedItemsView.Bind(
+            _selectedItemsView,
+            appState => appState == null ? null : appState.SelectedTab.Map(t => t == null ? null : t.CurrentItems).Switch(),
             v => v.ItemsSource);
-        
-        selectedItemsView.RequestRerender();
     }
+
+    public IEnumerable<IView> RootViews() => new IView[] {_selectedItemsView};
+
+    private IColor? ToForegroundColor(ItemViewMode viewMode)
+        => viewMode switch
+        {
+            ItemViewMode.Default => _theme.DefaultForegroundColor,
+            ItemViewMode.Alternative => _theme.AlternativeItemForegroundColor,
+            ItemViewMode.Selected => _theme.SelectedItemForegroundColor,
+            ItemViewMode.Marked => _theme.MarkedItemForegroundColor,
+            ItemViewMode.MarkedSelected => _theme.MarkedSelectedItemForegroundColor,
+            ItemViewMode.MarkedAlternative => _theme.MarkedAlternativeItemForegroundColor,
+            _ => throw new NotImplementedException()
+        };
+
+    private IColor? ToBackgroundColor(ItemViewMode viewMode)
+        => viewMode switch
+        {
+            ItemViewMode.Default => _theme.DefaultBackgroundColor,
+            ItemViewMode.Alternative => _theme.AlternativeItemBackgroundColor,
+            ItemViewMode.Selected => _theme.SelectedItemBackgroundColor,
+            ItemViewMode.Marked => _theme.MarkedItemBackgroundColor,
+            ItemViewMode.MarkedSelected => _theme.MarkedSelectedItemBackgroundColor,
+            ItemViewMode.MarkedAlternative => _theme.MarkedAlternativeItemBackgroundColor,
+            _ => throw new NotImplementedException()
+        };
 }