Parse DAT files.

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "SabreTools"]
+	path = SabreTools
+	url = https://github.com/SabreTools/SabreTools

RomRepoMgr.Core/EventArgs/ErrorEventArgs.cs

@@ -0,0 +1,32 @@
+/******************************************************************************
+// RomRepoMgr - ROM repository manager
+// ----------------------------------------------------------------------------
+//
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// --[ 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 © 2020 Natalia Portillo
+*******************************************************************************/
+
+namespace RomRepoMgr.Core.EventArgs
+{
+    public sealed class ErrorEventArgs : System.EventArgs
+    {
+        public string Message { get; set; }
+    }
+}

RomRepoMgr.Core/EventArgs/MessageEventArgs.cs

@@ -0,0 +1,32 @@
+/******************************************************************************
+// RomRepoMgr - ROM repository manager
+// ----------------------------------------------------------------------------
+//
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// --[ 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 © 2020 Natalia Portillo
+*******************************************************************************/
+
+namespace RomRepoMgr.Core.EventArgs
+{
+    public sealed class MessageEventArgs : System.EventArgs
+    {
+        public string Message { get; set; }
+    }
+}

RomRepoMgr.Core/EventArgs/ProgressBoundsEventArgs.cs

@@ -0,0 +1,33 @@
+/******************************************************************************
+// RomRepoMgr - ROM repository manager
+// ----------------------------------------------------------------------------
+//
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// --[ 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 © 2020 Natalia Portillo
+*******************************************************************************/
+
+namespace RomRepoMgr.Core.EventArgs
+{
+    public sealed class ProgressBoundsEventArgs : System.EventArgs
+    {
+        public double Minimum { get; set; }
+        public double Maximum { get; set; }
+    }
+}

RomRepoMgr.Core/EventArgs/ProgressEventArgs.cs

@@ -0,0 +1,32 @@
+/******************************************************************************
+// RomRepoMgr - ROM repository manager
+// ----------------------------------------------------------------------------
+//
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// --[ 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 © 2020 Natalia Portillo
+*******************************************************************************/
+
+namespace RomRepoMgr.Core.EventArgs
+{
+    public sealed class ProgressEventArgs : System.EventArgs
+    {
+        public double Value { get; set; }
+    }
+}

RomRepoMgr.Core/RomRepoMgr.Core.csproj

@@ -8,4 +8,8 @@
       <PackageReference Include="System.Security.Principal.Windows" Version="4.5.0" />
     </ItemGroup>
 
+    <ItemGroup>
+      <ProjectReference Include="..\SabreTools\SabreTools.Library\SabreTools.Library.csproj" />
+    </ItemGroup>
+
 </Project>

RomRepoMgr.Core/Workers/DatImporter.cs

@@ -0,0 +1,79 @@
+/******************************************************************************
+// RomRepoMgr - ROM repository manager
+// ----------------------------------------------------------------------------
+//
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// --[ 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 © 2020 Natalia Portillo
+*******************************************************************************/
+
+using System;
+using System.Diagnostics;
+using RomRepoMgr.Core.EventArgs;
+using SabreTools.Library.DatFiles;
+
+namespace RomRepoMgr.Core.Workers
+{
+    public sealed class DatImporter
+    {
+        readonly string _datPath;
+        bool            _aborted;
+
+        public DatImporter(string datPath) => _datPath = datPath;
+
+        public void Import()
+        {
+            try
+            {
+                SetIndeterminateProgress?.Invoke(this, System.EventArgs.Empty);
+
+                SetMessage?.Invoke(this, new MessageEventArgs
+                {
+                    Message = "Parsing DAT file..."
+                });
+
+                DateTime start   = DateTime.UtcNow;
+                var      datFile = DatFile.CreateAndParse(_datPath);
+                DateTime end     = DateTime.UtcNow;
+                double   elapsed = (end - start).TotalSeconds;
+
+                WorkFinished?.Invoke(this, System.EventArgs.Empty);
+            }
+            catch(Exception e)
+            {
+                if(Debugger.IsAttached)
+                    throw;
+
+                ErrorOccurred?.Invoke(this, new ErrorEventArgs
+                {
+                    Message = "Unhandled exception occurred."
+                });
+            }
+        }
+
+        public void Abort() => _aborted = true;
+
+        public event EventHandler                          SetIndeterminateProgress;
+        public event EventHandler                          WorkFinished;
+        public event EventHandler<ErrorEventArgs>          ErrorOccurred;
+        public event EventHandler<ProgressBoundsEventArgs> SetProgressBounds;
+        public event EventHandler<ProgressEventArgs>       SetProgress;
+        public event EventHandler<MessageEventArgs>        SetMessage;
+    }
+}

RomRepoMgr.sln

@@ -8,6 +8,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RomRepoMgr.Settings", "RomR
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RomRepoMgr.Core", "RomRepoMgr.Core\RomRepoMgr.Core.csproj", "{1C7E7286-1BA6-43B0-A042-4A3C378BDDC1}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SabreTools.Library", "SabreTools\SabreTools.Library\SabreTools.Library.csproj", "{9DFA390F-1E96-476B-92CB-0C96EFF3CC9D}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -30,5 +32,9 @@ Global
 		{1C7E7286-1BA6-43B0-A042-4A3C378BDDC1}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{1C7E7286-1BA6-43B0-A042-4A3C378BDDC1}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{1C7E7286-1BA6-43B0-A042-4A3C378BDDC1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9DFA390F-1E96-476B-92CB-0C96EFF3CC9D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9DFA390F-1E96-476B-92CB-0C96EFF3CC9D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9DFA390F-1E96-476B-92CB-0C96EFF3CC9D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9DFA390F-1E96-476B-92CB-0C96EFF3CC9D}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

RomRepoMgr/RomRepoMgr.csproj

@@ -23,5 +23,6 @@
     <ItemGroup>
       <ProjectReference Include="..\RomRepoMgr.Database\RomRepoMgr.Database.csproj" />
       <ProjectReference Include="..\RomRepoMgr.Settings\RomRepoMgr.Settings.csproj" />
+      <ProjectReference Include="..\RomRepoMgr.Core\RomRepoMgr.Core.csproj" />
     </ItemGroup>
 </Project>

RomRepoMgr/ViewModels/ImportDatViewModel.cs

@@ -0,0 +1,161 @@
+/******************************************************************************
+// RomRepoMgr - ROM repository manager
+// ----------------------------------------------------------------------------
+//
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// --[ 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 © 2020 Natalia Portillo
+*******************************************************************************/
+
+using System;
+using System.Reactive;
+using System.Threading.Tasks;
+using Avalonia.Threading;
+using JetBrains.Annotations;
+using ReactiveUI;
+using RomRepoMgr.Core.EventArgs;
+using RomRepoMgr.Core.Workers;
+using RomRepoMgr.Views;
+
+namespace RomRepoMgr.ViewModels
+{
+    public sealed class ImportDatViewModel : ViewModelBase
+    {
+        readonly ImportDat   _view;
+        readonly DatImporter _worker;
+        bool                 _canClose;
+        double               _currentValue;
+        string               _errorMessage;
+        bool                 _errorVisible;
+        bool                 _indeterminateProgress;
+        double               _maximumValue;
+        double               _minimumValue;
+        bool                 _progressVisible;
+        string               _statusMessage;
+
+        public ImportDatViewModel(ImportDat view, string datPath)
+        {
+            _view                            =  view;
+            CloseCommand                     =  ReactiveCommand.Create(ExecuteCloseCommand);
+            IndeterminateProgress            =  true;
+            ProgressVisible                  =  false;
+            ErrorVisible                     =  false;
+            _worker                          =  new DatImporter(datPath);
+            _worker.ErrorOccurred            += OnWorkerOnErrorOccurred;
+            _worker.SetIndeterminateProgress += OnWorkerOnSetIndeterminateProgress;
+            _worker.SetMessage               += OnWorkerOnSetMessage;
+            _worker.SetProgress              += OnWorkerOnSetProgress;
+            _worker.SetProgressBounds        += OnWorkerOnSetProgressBounds;
+            _worker.WorkFinished             += OnWorkerOnWorkFinished;
+        }
+
+        [NotNull]
+        public string Title => "Importing DAT file...";
+
+        public string StatusMessage
+        {
+            get => _statusMessage;
+            set => this.RaiseAndSetIfChanged(ref _statusMessage, value);
+        }
+
+        public bool IndeterminateProgress
+        {
+            get => _indeterminateProgress;
+            set => this.RaiseAndSetIfChanged(ref _indeterminateProgress, value);
+        }
+
+        public double MaximumValue
+        {
+            get => _maximumValue;
+            set => this.RaiseAndSetIfChanged(ref _maximumValue, value);
+        }
+
+        public double MinimumValue
+        {
+            get => _minimumValue;
+            set => this.RaiseAndSetIfChanged(ref _minimumValue, value);
+        }
+
+        public double CurrentValue
+        {
+            get => _currentValue;
+            set => this.RaiseAndSetIfChanged(ref _currentValue, value);
+        }
+
+        public bool ProgressVisible
+        {
+            get => _progressVisible;
+            set => this.RaiseAndSetIfChanged(ref _progressVisible, value);
+        }
+
+        public bool ErrorVisible
+        {
+            get => _errorVisible;
+            set => this.RaiseAndSetIfChanged(ref _errorVisible, value);
+        }
+
+        public string ErrorMessage
+        {
+            get => _errorMessage;
+            set => this.RaiseAndSetIfChanged(ref _errorMessage, value);
+        }
+
+        public bool CanClose
+        {
+            get => _canClose;
+            set => this.RaiseAndSetIfChanged(ref _canClose, value);
+        }
+
+        public string                      CloseLabel   => "Close";
+        public ReactiveCommand<Unit, Unit> CloseCommand { get; }
+
+        void OnWorkerOnWorkFinished(object sender, EventArgs args) => Dispatcher.UIThread.Post(() => CanClose = true);
+
+        void OnWorkerOnSetProgressBounds(object sender, ProgressBoundsEventArgs args) => Dispatcher.UIThread.Post(() =>
+        {
+            IndeterminateProgress = false;
+            MaximumValue          = args.Maximum;
+            MinimumValue          = args.Minimum;
+        });
+
+        void OnWorkerOnSetProgress(object sender, ProgressEventArgs args) =>
+            Dispatcher.UIThread.Post(() => CurrentValue = args.Value);
+
+        void OnWorkerOnSetMessage(object sender, MessageEventArgs args) =>
+            Dispatcher.UIThread.Post(() => StatusMessage = args.Message);
+
+        void OnWorkerOnSetIndeterminateProgress(object sender, EventArgs args) =>
+            Dispatcher.UIThread.Post(() => IndeterminateProgress = true);
+
+        void OnWorkerOnErrorOccurred(object sender, ErrorEventArgs args) => Dispatcher.UIThread.Post(() =>
+        {
+            ErrorMessage = args.Message;
+            ErrorVisible = true;
+            CanClose     = true;
+        });
+
+        void ExecuteCloseCommand() => _view.Close();
+
+        internal void OnOpened()
+        {
+            ProgressVisible = true;
+            Task.Run(_worker.Import);
+        }
+    }
+}

RomRepoMgr/ViewModels/MainWindowViewModel.cs

@@ -23,6 +23,7 @@
 // Copyright © 2020 Natalia Portillo
 *******************************************************************************/
 
+using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Reactive;
 using Avalonia;
@@ -40,11 +41,12 @@ namespace RomRepoMgr.ViewModels
 
         public MainWindowViewModel(MainWindow view)
         {
-            _view           = view;
+            _view            = view;
-            ExitCommand     = ReactiveCommand.Create(ExecuteExitCommand);
+            ExitCommand      = ReactiveCommand.Create(ExecuteExitCommand);
-            SettingsCommand = ReactiveCommand.Create(ExecuteSettingsCommand);
+            SettingsCommand  = ReactiveCommand.Create(ExecuteSettingsCommand);
-            AboutCommand    = ReactiveCommand.Create(ExecuteAboutCommand);
+            AboutCommand     = ReactiveCommand.Create(ExecuteAboutCommand);
-            RomSets         = new ObservableCollection<RomSetModel>();
+            ImportDatCommand = ReactiveCommand.Create(ExecuteImportDatCommand);
+            RomSets          = new ObservableCollection<RomSetModel>();
         }
 
         public ObservableCollection<RomSetModel> RomSets            { get; }
@@ -57,9 +59,10 @@ namespace RomRepoMgr.ViewModels
             NativeMenu.GetIsNativeMenuExported((Application.Current.ApplicationLifetime as
                                                     IClassicDesktopStyleApplicationLifetime)?.MainWindow);
 
-        public ReactiveCommand<Unit, Unit> AboutCommand    { get; }
+        public ReactiveCommand<Unit, Unit> AboutCommand     { get; }
-        public ReactiveCommand<Unit, Unit> ExitCommand     { get; }
+        public ReactiveCommand<Unit, Unit> ExitCommand      { get; }
-        public ReactiveCommand<Unit, Unit> SettingsCommand { get; }
+        public ReactiveCommand<Unit, Unit> SettingsCommand  { get; }
+        public ReactiveCommand<Unit, Unit> ImportDatCommand { get; }
 
         internal async void ExecuteSettingsCommand()
         {
@@ -77,5 +80,40 @@ namespace RomRepoMgr.ViewModels
             dialog.DataContext = new AboutViewModel(dialog);
             dialog.ShowDialog(_view);
         }
+
+        internal async void ExecuteImportDatCommand()
+        {
+            var dlgOpen = new OpenFileDialog();
+            dlgOpen.AllowMultiple = false;
+            dlgOpen.Title         = "Import DAT file...";
+
+            dlgOpen.Filters.Add(new FileDialogFilter
+            {
+                Extensions = new List<string>
+                {
+                    "*.dat",
+                    "*.xml"
+                },
+                Name = "DAT files"
+            });
+
+            dlgOpen.Filters.Add(new FileDialogFilter
+            {
+                Extensions = new List<string>
+                {
+                    "*.*"
+                },
+                Name = "All files"
+            });
+
+            string[] result = await dlgOpen.ShowAsync(_view);
+
+            if(result?.Length != 1)
+                return;
+
+            var dialog = new ImportDat();
+            dialog.DataContext = new ImportDatViewModel(dialog, result[0]);
+            await dialog.ShowDialog(_view);
+        }
     }
 }

RomRepoMgr/Views/ImportDat.xaml

@@ -0,0 +1,55 @@
+<!--
+// /***************************************************************************
+// RomRepoMgr - ROM repository manager
+// ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐
+//
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// ‐‐[ 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 © 2020 Natalia Portillo
+// ****************************************************************************/
+-->
+<Window xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:vm="clr-namespace:RomRepoMgr.ViewModels;assembly=RomRepoMgr" mc:Ignorable="d" d:DesignWidth="800"
+        d:DesignHeight="450" Width="480" Height="90" x:Class="RomRepoMgr.Views.ImportDat"
+        Icon="/Assets/avalonia-logo.ico" CanResize="False" Title="{Binding Title}" WindowStartupLocation="CenterOwner">
+    <Design.DataContext>
+        <vm:ImportDatViewModel />
+    </Design.DataContext>
+    <Border Padding="15">
+        <Grid>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto" /> <RowDefinition Height="auto" /> <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+            </Grid.RowDefinitions>
+            <TextBlock Grid.Row="0" Text="{Binding StatusMessage}" HorizontalAlignment="Center" />
+            <ProgressBar Grid.Row="1" IsIndeterminate="{Binding IndeterminateProgress}"
+                         Maximum="{Binding MaximumValue}" Minimum="{Binding MinimumValue}"
+                         Value="{Binding CurrentValue}" HorizontalAlignment="Stretch"
+                         IsVisible="{Binding ProgressVisible}" />
+            <TextBlock Grid.Row="2" Text="{Binding ErrorMessage}" HorizontalAlignment="Center" Foreground="Red"
+                       IsVisible="{Binding ErrorVisible}" />
+            <Button Grid.Row="3" HorizontalAlignment="Right" VerticalAlignment="Center" IsEnabled="{Binding CanClose}"
+                    Command="{Binding CloseCommand}">
+                <TextBlock Text="{Binding CloseLabel}" />
+            </Button>
+        </Grid>
+    </Border>
+</Window>

RomRepoMgr/Views/ImportDat.xaml.cs

@@ -0,0 +1,45 @@
+/******************************************************************************
+// RomRepoMgr - ROM repository manager
+// ----------------------------------------------------------------------------
+//
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// --[ 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 © 2020 Natalia Portillo
+*******************************************************************************/
+
+using System;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+using RomRepoMgr.ViewModels;
+
+namespace RomRepoMgr.Views
+{
+    public sealed class ImportDat : Window
+    {
+        public ImportDat() => InitializeComponent();
+
+        void InitializeComponent() => AvaloniaXamlLoader.Load(this);
+
+        protected override void OnOpened(EventArgs e)
+        {
+            base.OnOpened(e);
+            (DataContext as ImportDatViewModel)?.OnOpened();
+        }
+    }
+}

RomRepoMgr/Views/MainWindow.xaml

@@ -9,6 +9,7 @@
     <DockPanel>
         <Menu DockPanel.Dock="Top">
             <MenuItem Header="_File">
+                <MenuItem Header="_Import DAT" Command="{Binding ImportDatCommand}" /> <Separator />
                 <MenuItem Header="_Settings" IsVisible="{Binding !NativeMenuSupported}"
                           Command="{Binding SettingsCommand}" />
                 <Separator />