fix: hide file manager and terminal options for invalid repositories (#2503)

Author: JC-Chung

src/ViewModels/RepositoryNode.cs

@@ -125,14 +125,14 @@ public void Move()
 
         public void OpenInFileManager()
         {
-            if (!IsRepository)
+            if (!IsRepository || IsInvalid)
                 return;
             Native.OS.OpenInFileManager(_id);
         }
 
         public void OpenTerminal()
         {
-            if (!IsRepository)
+            if (!IsRepository || IsInvalid)
                 return;
             Native.OS.OpenTerminal(_id);
         }

src/Views/RepositoryToolbar.axaml.cs

@@ -21,6 +21,10 @@ private void OpenWithExternalTools(object sender, RoutedEventArgs ev)
             if (sender is Button button && DataContext is ViewModels.Repository repo)
             {
                 var fullpath = repo.FullPath;
+
+                if (!System.IO.Directory.Exists(fullpath))
+                    return;
+
                 var menu = new ContextMenu();
                 menu.Placement = PlacementMode.BottomEdgeAlignedLeft;
 

src/Views/Welcome.axaml.cs

@@ -174,29 +174,32 @@ private void OnTreeNodeContextRequested(object sender, ContextRequestedEventArgs
                         e.Handled = true;
                     };
 
-                    var explore = new MenuItem();
-                    explore.Header = App.Text("Repository.Explore");
-                    explore.Icon = this.CreateMenuIcon("Icons.Explore");
-                    explore.Click += (_, e) =>
-                    {
-                        node.OpenInFileManager();
-                        e.Handled = true;
-                    };
-
-                    var terminal = new MenuItem();
-                    terminal.Header = App.Text("Repository.Terminal");
-                    terminal.Icon = this.CreateMenuIcon("Icons.Terminal");
-                    terminal.Click += (_, e) =>
-                    {
-                        node.OpenTerminal();
-                        e.Handled = true;
-                    };
-
                     menu.Items.Add(open);
                     menu.Items.Add(new MenuItem() { Header = "-" });
-                    menu.Items.Add(explore);
-                    menu.Items.Add(terminal);
-                    menu.Items.Add(new MenuItem() { Header = "-" });
+
+                    if (!node.IsInvalid)
+                    {
+                        var explore = new MenuItem();
+                        explore.Header = App.Text("Repository.Explore");
+                        explore.Icon = this.CreateMenuIcon("Icons.Explore");
+                        explore.Click += (_, e) =>
+                        {
+                            node.OpenInFileManager();
+                            e.Handled = true;
+                        };
+
+                        var terminal = new MenuItem();
+                        terminal.Header = App.Text("Repository.Terminal");
+                        terminal.Icon = this.CreateMenuIcon("Icons.Terminal");
+                        terminal.Click += (_, e) =>
+                        {
+                            node.OpenTerminal();
+                            e.Handled = true;
+                        };
+                        menu.Items.Add(explore);
+                        menu.Items.Add(terminal);
+                        menu.Items.Add(new MenuItem() { Header = "-" });
+                    }
                 }
                 else
                 {