From d92056ff503ced99497d79f204524cbc9d0d5cb5 Mon Sep 17 00:00:00 2001
From: ahmdkaml <ahmdkaml2006@gmail.com>
Date: Fri, 9 Oct 2026 19:11:24 +0300
Subject: [PATCH] implementing command-binding

---
 .../Views/Components/TopCommandBarView.axaml  |  6 ++--
 src/TextForge.Desktop/Views/MainWindow.axaml  |  4 +++
 .../TopCommandBarViewModelTests.cs            | 31 +++++++++++++++++++
 3 files changed, 39 insertions(+), 2 deletions(-)

diff --git a/src/TextForge.Desktop/Views/Components/TopCommandBarView.axaml b/src/TextForge.Desktop/Views/Components/TopCommandBarView.axaml
index 726987c..ac2db83 100644
--- a/src/TextForge.Desktop/Views/Components/TopCommandBarView.axaml
+++ b/src/TextForge.Desktop/Views/Components/TopCommandBarView.axaml
@@ -10,8 +10,10 @@
         <StackPanel Orientation="Horizontal" Spacing="{StaticResource SpacingXsValue}">
             <Button Classes="primary" Content="New" Command="{Binding NewDocumentCommand}"
                 ToolTip.Tip="New Document (Ctrl+N)" />
-            <Button Classes="secondary" Content="Open" Command="{Binding OpenDocumentCommand}" />
-            <Button Classes="secondary" Content="Save" Command="{Binding SaveDocumentCommand}" />
+            <Button Classes="secondary" Content="Open" Command="{Binding OpenDocumentCommand}"
+                ToolTip.Tip="Open Document (Ctrl+O)" />
+            <Button Classes="secondary" Content="Save" Command="{Binding SaveDocumentCommand}"
+                ToolTip.Tip="Save Document (Ctrl+S)" />
         </StackPanel>
     </Border>
 </UserControl>
diff --git a/src/TextForge.Desktop/Views/MainWindow.axaml b/src/TextForge.Desktop/Views/MainWindow.axaml
index 65ea884..1406cd8 100644
--- a/src/TextForge.Desktop/Views/MainWindow.axaml
+++ b/src/TextForge.Desktop/Views/MainWindow.axaml
@@ -15,6 +15,10 @@
         <Window.KeyBindings>
                 <KeyBinding Gesture="Ctrl+N"
                         Command="{Binding CommandBarViewModel.NewDocumentCommand}" />
+                <KeyBinding Gesture="Ctrl+O"
+                        Command="{Binding CommandBarViewModel.OpenDocumentCommand}" />
+                <KeyBinding Gesture="Ctrl+S"
+                        Command="{Binding CommandBarViewModel.SaveDocumentCommand}" />
         </Window.KeyBindings>
 
         <Grid RowDefinitions="Auto, *, Auto">
diff --git a/tests/TextForge.Desktop.Tests/TopCommandBarViewModelTests.cs b/tests/TextForge.Desktop.Tests/TopCommandBarViewModelTests.cs
index 4facd26..26f58bc 100644
--- a/tests/TextForge.Desktop.Tests/TopCommandBarViewModelTests.cs
+++ b/tests/TextForge.Desktop.Tests/TopCommandBarViewModelTests.cs
@@ -1,3 +1,4 @@
+using System.Windows.Input;
 using TextForge.Core.Presentation;
 using TextForge.Desktop.ViewModels;
 using Xunit;
@@ -13,10 +14,40 @@ public void NewDocumentCommand_ResetsDocumentStateInMainViewModel()
         var mainVM = new MainWindowViewModel(mockPaletteProvider);
         var commandBarVM = new TopCommandBarViewModel(mainVM);
 
+        Assert.IsAssignableFrom<ICommand>(commandBarVM.NewDocumentCommand);
         commandBarVM.NewDocumentCommand.Execute(null);
 
         Assert.Equal("Untitled.txt", mainVM.CurrentDocumentTitle);
         Assert.False(mainVM.IsModified);
         Assert.Equal("Created new document: Untitled.txt", mainVM.StatusMessage);
     }
+
+    [Fact]
+    public void OpenDocumentCommand_UpdatesStatusMessageInMainViewModel()
+    {
+        var mockPaletteProvider = new TestModulePaletteProvider();
+        var mainVM = new MainWindowViewModel(mockPaletteProvider);
+        var commandBarVM = new TopCommandBarViewModel(mainVM);
+
+        Assert.IsAssignableFrom<ICommand>(commandBarVM.OpenDocumentCommand);
+        commandBarVM.OpenDocumentCommand.Execute(null);
+
+        Assert.Equal("Opening document...", mainVM.StatusMessage);
+    }
+
+    [Fact]
+    public void SaveDocumentCommand_ResetsModifiedAndUpdatesStatusMessageInMainViewModel()
+    {
+        var mockPaletteProvider = new TestModulePaletteProvider();
+        var mainVM = new MainWindowViewModel(mockPaletteProvider);
+        mainVM.CurrentDocumentTitle = "Report.txt";
+        mainVM.IsModified = true;
+        var commandBarVM = new TopCommandBarViewModel(mainVM);
+
+        Assert.IsAssignableFrom<ICommand>(commandBarVM.SaveDocumentCommand);
+        commandBarVM.SaveDocumentCommand.Execute(null);
+
+        Assert.False(mainVM.IsModified);
+        Assert.Equal("Saved Report.txt", mainVM.StatusMessage);
+    }
 }