[TUI] Implement GoToPath dialog for navigating to specified directory

Aaru.Tui/ViewModels/Dialogs/GoToPathDialogViewModel.cs

@@ -0,0 +1,80 @@
+// /***************************************************************************
+// Aaru Data Preservation Suite
+// ----------------------------------------------------------------------------
+//
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// Component      : Text User Interface.
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This program is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU General Public License as
+//     published by the Free Software Foundation, either version 3 of the
+//     License, or (at your option) any later version.
+//
+//     This program is distributed in the hope that it will be useful,
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//     GNU General Public License for more details.
+//
+//     You should have received a copy of the GNU General Public License
+//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2011-2025 Natalia Portillo
+// ****************************************************************************/
+
+using System.Windows.Input;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using Iciclecreek.Avalonia.WindowManager;
+
+namespace Aaru.Tui.ViewModels.Dialogs;
+
+public sealed partial class GoToPathDialogViewModel : ViewModelBase
+{
+    internal ManagedWindow _dialog = null!;
+    [ObservableProperty]
+    string _errorMessage = string.Empty;
+    [ObservableProperty]
+    bool _hasError;
+    [ObservableProperty]
+    string? _path = string.Empty;
+
+    public GoToPathDialogViewModel(ManagedWindow dialog)
+    {
+        _dialog       = dialog;
+        OkCommand     = new RelayCommand(Ok);
+        CancelCommand = new RelayCommand(Cancel);
+    }
+
+    public ICommand OkCommand     { get; }
+    public ICommand CancelCommand { get; }
+
+    void Ok()
+    {
+        if(string.IsNullOrWhiteSpace(Path))
+        {
+            HasError     = true;
+            ErrorMessage = "Path cannot be empty";
+
+            return;
+        }
+
+        if(!Directory.Exists(Path))
+        {
+            HasError     = true;
+            ErrorMessage = "Path does not exist";
+
+            return;
+        }
+
+        _dialog.Close(true);
+    }
+
+    void Cancel()
+    {
+        _dialog.Close(false);
+    }
+}