Initial mod dependency work

OwlCore.Wpf/AbstractUI/Controls/AbstractUIGroupPresenter.cs

@@ -1,7 +1,6 @@
 using System.Windows;
 using System.Windows.Controls;
 using OwlCore.AbstractUI.ViewModels;
-using OwlCore.AbstractUI.Models;
 
 namespace OwlCore.Wpf.AbstractUI.Controls
 {
@@ -16,7 +15,7 @@ namespace OwlCore.Wpf.AbstractUI.Controls
         /// Backing property for <see cref="ViewModel"/>.
         /// </summary>
         public static readonly DependencyProperty ViewModelProperty =
-            DependencyProperty.Register(nameof(ViewModel), typeof(AbstractUICollectionViewModel), typeof(AbstractUIGroupPresenter), new PropertyMetadata(null, (d, e) => ((AbstractUIGroupPresenter)d).OnViewModelChanged()));
+            DependencyProperty.Register(nameof(ViewModel), typeof(AbstractUICollectionViewModel), typeof(AbstractUIGroupPresenter), new PropertyMetadata(null));
 
         /// <summary>
         /// Backing property for <see cref="TemplateSelector"/>.
@@ -48,62 +47,6 @@ namespace OwlCore.Wpf.AbstractUI.Controls
         public AbstractUIGroupPresenter()
         {
             this.DefaultStyleKey = typeof(AbstractUIGroupPresenter);
-
-            AttachEvents();
-        }
-
-        private void AttachEvents()
-        {
-            Loaded += OnLoaded;
-
-            DataContextChanged += OnDataContextChanged;
-        }
-
-        private void DetachEvents()
-        {
-            DataContextChanged -= OnDataContextChanged;
-        }
-
-        private void OnDataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
-        {
-            if (_dataContextBeingSet)
-                return;
-
-            _dataContextBeingSet = true;
-
-            if (DataContext is AbstractUICollection elementGroup)
-                ViewModel = new AbstractUICollectionViewModel(elementGroup);
-
-            if (DataContext is AbstractUICollectionViewModel elementGroupViewModel)
-                ViewModel = elementGroupViewModel;
-
-            _dataContextBeingSet = false;
-        }
-
-        private void OnLoaded(object sender, RoutedEventArgs e)
-        {
-            Loaded -= OnLoaded;
-            Unloaded += OnUnloaded;
-        }
-
-        private void OnUnloaded(object sender, RoutedEventArgs e)
-        {
-            Unloaded -= OnUnloaded;
-
-            DetachEvents();
-        }
-
-        /// <summary>
-        /// Raised when the <see cref="ViewModel"/> changes.
-        /// </summary>
-        public void OnViewModelChanged()
-        {
-            if (_dataContextBeingSet)
-                return;
-
-            _dataContextBeingSet = true;
-            DataContext = ViewModel;
-            _dataContextBeingSet = false;
         }
     }
 }

OwlCore.Wpf/AbstractUI/Themes/AbstractUIGroupPresenterStyle.xaml

@@ -85,6 +85,7 @@
                     <ControlTemplate TargetType="controls:AbstractUIGroupPresenter">
                         <ContentControl  ContentTemplate="{StaticResource DefaultAbstractUICollectionTemplate}"
                                          Content="{TemplateBinding ViewModel}"
+                                         DataContext="{TemplateBinding ViewModel}"
                                          HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch" />
                     </ControlTemplate>
                 </Setter.Value>

ZuneModCore/Mod.cs

@@ -2,6 +2,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Threading.Tasks;
 using ZuneModCore.Mods;
 
@@ -9,20 +10,6 @@ namespace ZuneModCore
 {
     public abstract class Mod
     {
-        /// <summary>
-        /// A list of all available mods
-        /// </summary>
-        public static readonly IReadOnlyList<Mod> AvailableMods = new List<Mod>
-        {
-            new FeaturesOverrideMod(),
-            new VideoSyncMod(),
-            new WebservicesMod(),
-            new BackgroundImageMod(),
-            new MbidLocatorMod(),
-        }.AsReadOnly();
-
-        public static string ZuneInstallDir { get; set; } = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles), "Zune");
-
         public abstract string Id { get; }
 
         public abstract string Title { get; }
@@ -55,13 +42,71 @@ namespace ZuneModCore
         {
             get
             {
-                string dir = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "ZuneModCore", Id);
+                string dir = Path.Combine(ModManager.CoreStorageDir, Id);
                 // Create the directory just in case the consumer assumes the folder exists already
                 Directory.CreateDirectory(dir);
                 return dir;
             }
         }
 
-        public abstract IReadOnlyList<Type>? DependentMods { get; }
+        public abstract IReadOnlyList<ModDependency>? DependentMods { get; }
+
+        /// <summary>
+        /// Initializes any missing depedencies.
+        /// </summary>
+        public Task InitDependencies() => ForAllDependencies(async mod =>
+        {
+            bool isDepApplied = await mod.CheckApplied();
+            if (!isDepApplied)
+                await mod.Init();
+        });
+
+        /// <summary>
+        /// Applies any missing depedencies.
+        /// </summary>
+        /// <remarks>
+        /// Make sure to call <see cref="InitDependencies"/> first.
+        /// </remarks>
+        public Task ApplyDependencies() => ForAllDependencies(async mod =>
+        {
+            bool isDepApplied = await mod.CheckApplied();
+            if (!isDepApplied)
+                await mod.Apply();
+        });
+
+        public Task<bool> CheckApplied() => TrueForAllDependencies(mod => mod.CheckApplied());
+
+        private async Task ForAllDependencies(Func<Mod, Task> asyncAction)
+        {
+            // Check if there are any dependencies
+            if (DependentMods == null)
+                return;
+
+            foreach (var dep in DependentMods)
+            {
+                var depMod = ModManager.AvailableMods.First(m => m.Id == dep.Id);
+                if (depMod != null)
+                    await asyncAction(depMod);
+            }
+        }
+
+        private async Task<bool> TrueForAllDependencies(Func<Mod, Task<bool>> asyncAction)
+        {
+            // Check if there are any dependencies
+            if (DependentMods == null)
+                return true;
+
+            foreach (var dep in DependentMods)
+            {
+                var depMod = ModManager.AvailableMods.First(m => m.Id == dep.Id);
+                if (depMod != null)
+                    if (!await asyncAction(depMod))
+                        return false;
+            }
+
+            return true;
+        }
+
+        public override string ToString() => Title;
     }
 }

ZuneModCore/ModDependency.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.Threading.Tasks;
+
+namespace ZuneModCore
+{
+    public class ModDependency
+    {
+        public string Id { get; set; }
+
+        public ReleaseVersion Version { get; set; }
+
+        public ModDependency(string id, ReleaseVersion? version = null)
+        {
+            Id = id;
+            Version = version ?? ModManager.CurrentVersion;
+        }
+
+        /// <summary>
+        /// DO NOT USE DIRECTLY. This constructor is only for
+        /// JSON de/serialization.
+        /// </summary>
+        [Obsolete]
+        internal ModDependency() { }
+
+        public Task<bool> CheckStatus() => ModManager.CheckStatus(Id);
+
+        public override string ToString() => $"{Id} / {Version}";
+    }
+}

ZuneModCore/ModManager.cs

@@ -0,0 +1,80 @@
+using CommunityToolkit.Diagnostics;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text.Json;
+using System.Threading.Tasks;
+using ZuneModCore.Mods;
+
+namespace ZuneModCore
+{
+    public static class ModManager
+    {
+        /// <summary>
+        /// A list of all available mods.
+        /// </summary>
+        public static readonly IReadOnlyList<Mod> AvailableMods = new List<Mod>
+        {
+            new FeaturesOverrideMod(),
+            new VideoSyncMod(),
+            new WebservicesMod(),
+            new BackgroundImageMod(),
+            new MbidLocatorMod(),
+        };
+
+        public static string ZuneInstallDir { get; set; } = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles), "Zune");
+
+        public static readonly ReleaseVersion CurrentVersion = new(2021, 12, 30, 0, Phase.Alpha);
+
+        internal static readonly string CoreStorageDir = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "ZuneModCore");
+
+        private static readonly string CoreStatusFile = Path.Combine(CoreStorageDir, "ModStatus.json");
+
+        /// <summary>
+        /// Marks the specified mod as applied in the status file.
+        /// </summary>
+        internal static Task MarkApplied(string modId) => MarkStatus(modId, true);
+
+        /// <summary>
+        /// Marks the specified mod as reset in the status file.
+        /// </summary>
+        internal static Task MarkReset(string modId) => MarkStatus(modId, false);
+
+        /// <summary>
+        /// Sets the status of the specified mod in the status file.
+        /// </summary>
+        private static async Task MarkStatus(string modId, bool status)
+        {
+            using var stream = File.Open(CoreStatusFile, FileMode.OpenOrCreate);
+            var model = await JsonSerializer.DeserializeAsync<StatusModel>(stream);
+            Guard.IsNotNull(model, nameof(model));
+
+            bool curStatus = model.InstalledMods.ContainsKey(modId);
+            if (curStatus && !status)
+            {
+                model.InstalledMods.Remove(modId);
+            }
+            else if (!curStatus && status)
+            {
+                model.InstalledMods.Add(modId, CurrentVersion);
+            }
+
+            await JsonSerializer.SerializeAsync(stream, model);
+        }
+
+        /// <summary>
+        /// Gets the status of the specified mod from the status file.
+        /// </summary>
+        internal static async Task<bool> CheckStatus(string modId)
+        {
+            if (!File.Exists(CoreStatusFile))
+                return false;
+
+            using var stream = File.OpenRead(CoreStatusFile);
+            var model = await JsonSerializer.DeserializeAsync<StatusModel>(stream);
+            Guard.IsNotNull(model, nameof(model));
+
+            return model.InstalledMods.ContainsKey(modId);
+        }
+    }
+}

ZuneModCore/Mods/BackgroundImageMod.cs

@@ -32,7 +32,7 @@ namespace ZuneModCore.Mods
             };
         }
 
-        public override IReadOnlyList<Type>? DependentMods => null;
+        public override IReadOnlyList<ModDependency>? DependentMods => null;
 
         public override async Task<string?> Apply()
         {
@@ -43,7 +43,7 @@ namespace ZuneModCore.Mods
                 return $"The file '{bgimgInfo.FullName}' does not exist.";
             }
 
-            FileInfo zsrDllInfo = new(Path.Combine(ZuneInstallDir, "ZuneShellResources.dll"));
+            FileInfo zsrDllInfo = new(Path.Combine(ModManager.ZuneInstallDir, "ZuneShellResources.dll"));
             if (!zsrDllInfo.Exists)
             {
                 return $"The file '{zsrDllInfo.FullName}' does not exist.";
@@ -120,7 +120,7 @@ namespace ZuneModCore.Mods
             {
                 // Copy backup to application folder
                 File.Copy(Path.Combine(StorageDirectory, "ZuneShellResources.original.dll"),
-                    Path.Combine(ZuneInstallDir, "ZuneShellResources.dll"), true);
+                    Path.Combine(ModManager.ZuneInstallDir, "ZuneShellResources.dll"), true);
 
                 return Task.FromResult<string?>(null);
             }

ZuneModCore/Mods/FeaturesOverrideMod.cs

@@ -56,7 +56,7 @@ namespace ZuneModCore.Mods
             };
         }
 
-        public override IReadOnlyList<Type>? DependentMods => null;
+        public override IReadOnlyList<ModDependency>? DependentMods => null;
 
         public override Task Init()
         {

ZuneModCore/Mods/MbidLocatorMod.cs

@@ -37,7 +37,7 @@ namespace ZuneModCore.Mods
             };
         }
 
-        public override IReadOnlyList<Type>? DependentMods => null;
+        public override IReadOnlyList<ModDependency>? DependentMods => null;
 
         public override async Task<string?> Apply()
         {

ZuneModCore/Mods/VideoSyncMod.cs

@@ -71,6 +71,6 @@ namespace ZuneModCore.Mods
             }
         }
 
-        public override IReadOnlyList<Type>? DependentMods => null;
+        public override IReadOnlyList<ModDependency>? DependentMods => null;
     }
 }

ZuneModCore/Mods/WebservicesMod.cs

@@ -76,7 +76,10 @@ namespace ZuneModCore.Mods
             };
         }
 
-        public override IReadOnlyList<Type>? DependentMods => null;
+        public override IReadOnlyList<ModDependency>? DependentMods => new List<ModDependency>
+        {
+            new(nameof(FeaturesOverrideMod))
+        };
 
         public override Task Init()
         {
@@ -90,7 +93,7 @@ namespace ZuneModCore.Mods
         public override async Task<string?> Apply()
         {
             // Verify that ZuneServices.dll exists
-            FileInfo zsDllInfo = new(Path.Combine(ZuneInstallDir, "ZuneService.dll"));
+            FileInfo zsDllInfo = new(Path.Combine(ModManager.ZuneInstallDir, "ZuneService.dll"));
             if (!zsDllInfo.Exists)
             {
                 return $"The file '{zsDllInfo.FullName}' does not exist.";
@@ -182,7 +185,7 @@ namespace ZuneModCore.Mods
 
         public override async Task<string?> Reset()
         {
-            string zsDllPath = Path.Combine(ZuneInstallDir, "ZuneService.dll");
+            string zsDllPath = Path.Combine(ModManager.ZuneInstallDir, "ZuneService.dll");
             try
             {
                 // Copy backup to application folder
@@ -258,7 +261,7 @@ namespace ZuneModCore.Mods
             }
         }
 
-        private async Task<string?> Ping(string url)
+        private static async Task<string?> Ping(string url)
         {
             try
             {

ZuneModCore/ReleaseVersion.cs

@@ -1,14 +1,13 @@
 using CommunityToolkit.Diagnostics;
 using System;
-using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
-using System.Linq;
 using System.Runtime.CompilerServices;
-using System.Text;
-using System.Threading.Tasks;
+using System.Text.Json;
+using System.Text.Json.Serialization;
 
-namespace ZuneModdingHelper
+namespace ZuneModCore
 {
+    [JsonConverter(typeof(ReleaseVersionJsonConverter))]
     public sealed class ReleaseVersion : ICloneable, IComparable, IComparable<ReleaseVersion?>, IEquatable<ReleaseVersion?>
     {
         /// <summary>
@@ -481,4 +480,17 @@ namespace ZuneModdingHelper
         ReleaseCandidate,
         Production
     }
+
+    internal class ReleaseVersionJsonConverter : JsonConverter<ReleaseVersion>
+    {
+        public override ReleaseVersion Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            return ReleaseVersion.Parse(reader.GetString()!);
+        }
+
+        public override void Write(Utf8JsonWriter writer, ReleaseVersion value, JsonSerializerOptions options)
+        {
+            writer.WriteStringValue(value.ToString());
+        }
+    }
 }

ZuneModCore/StatusModel.cs

@@ -0,0 +1,20 @@
+using System.Collections.Generic;
+
+namespace ZuneModCore
+{
+    internal class StatusModel
+    {
+        /// <summary>
+        /// The version of ZuneModCore that created this model.
+        /// </summary>
+        public ReleaseVersion Version { get; set; }
+
+        /// <summary>
+        /// A list of mods that are currently installed.
+        /// <para>
+        /// <c>Key</c> is mod ID and <c>Value</c> is installed version.
+        /// </para>
+        /// </summary>
+        public Dictionary<string, ReleaseVersion> InstalledMods { get; set; }
+    }
+}

ZuneModCore/ZuneModCore.csproj

@@ -8,6 +8,7 @@
     </PropertyGroup>
 
     <ItemGroup>
+        <PackageReference Include="CommunityToolkit.Diagnostics" Version="7.1.2" />
         <PackageReference Include="Microsoft.Win32.Registry" Version="5.0.0" />
         <PackageReference Include="OwlCore" Version="0.0.43" />
         <PackageReference Include="System.IO.FileSystem.AccessControl" Version="5.0.0" />

ZuneModdingHelper/AbstractUIGroupDialog.xaml.cs

@@ -1,43 +0,0 @@
-using MahApps.Metro.Controls;
-using OwlCore.AbstractUI.Models;
-using OwlCore.AbstractUI.ViewModels;
-using OwlCore.Wpf.AbstractUI.Controls;
-using System.Windows;
-
-namespace ZuneModdingHelper
-{
-    /// <summary>
-    /// Interaction logic for AbstractUIGroupDialog.xaml
-    /// </summary>
-    public partial class AbstractUIGroupDialog : MetroWindow
-    {
-        public AbstractUIGroupDialog(AbstractUICollectionViewModel viewModel)
-        {
-            ViewModel = viewModel;
-            DataContext = ViewModel;
-            InitializeComponent();
-        }
-        public AbstractUIGroupDialog(AbstractUICollection group) : this(new AbstractUICollectionViewModel(group))
-        {
-
-        }
-
-        private void OptionsUINextButton_Click(object sender, RoutedEventArgs e) => Finish(true);
-
-        private void OptionsUICancelButton_Click(object sender, RoutedEventArgs e) => Finish(false);
-
-        private void Finish(bool result)
-        {
-            DialogResult = result;
-            Close();
-        }
-
-        public AbstractUICollectionViewModel ViewModel
-        {
-            get => (AbstractUICollectionViewModel)GetValue(ViewModelProperty);
-            set => SetValue(ViewModelProperty, value);
-        }
-        public static readonly DependencyProperty ViewModelProperty = DependencyProperty.Register(
-            nameof(ViewModel), typeof(AbstractUICollectionViewModel), typeof(AbstractUIGroupDialog));
-    }
-}

ZuneModdingHelper/App.xaml.cs

@@ -2,6 +2,7 @@
 using Microsoft.AppCenter;
 using Microsoft.AppCenter.Analytics;
 using Microsoft.AppCenter.Crashes;
+using ZuneModCore;
 
 namespace ZuneModdingHelper
 {
@@ -12,7 +13,7 @@ namespace ZuneModdingHelper
     {
         public const string Title = "Zune Modding Helper";
 
-        public static readonly ReleaseVersion Version = new(2021, 12, 30, 0, Phase.Alpha);
+        public static readonly ReleaseVersion Version = ModManager.CurrentVersion;
         public static readonly string VersionStr = Version.ToString();
 
         public const string DonateLink = "http://josh.askharoun.com/donate";

ZuneModdingHelper/MainWindow.xaml.cs

@@ -41,8 +41,8 @@ namespace ZuneModdingHelper
             ThemeManager.Current.ThemeSyncMode = ThemeSyncMode.SyncWithAppMode;
             ThemeManager.Current.SyncTheme();
 
-            ModList.ItemsSource = Mod.AvailableMods;
-            ZuneInstallDirBox.Text = Mod.ZuneInstallDir;
+            ModList.ItemsSource = ModManager.AvailableMods;
+            ZuneInstallDirBox.Text = ModManager.ZuneInstallDir;
         }
 
         private async System.Threading.Tasks.Task RunOnUI(Action action) => await Dispatcher.BeginInvoke(action);
@@ -51,7 +51,7 @@ namespace ZuneModdingHelper
         {
             // Show a warning if Zune is running
             Process[] procs = Process.GetProcessesByName("Zune");
-            string zuneExePath = Path.Combine(Mod.ZuneInstallDir, "Zune.exe");
+            string zuneExePath = Path.Combine(ModManager.ZuneInstallDir, "Zune.exe");
             if (procs.Length > 0 && procs.Any(p => p.MainModule.FileName == zuneExePath))
             {
                 await this.ShowMessageAsync(
@@ -65,7 +65,7 @@ namespace ZuneModdingHelper
         {
             var progDialog = await this.ShowProgressAsync("Getting ready...", "Preparing to apply mod", settings: defaultMetroDialogSettings);
             Mod mod = (Mod)((FrameworkElement)sender).DataContext;
-            Mod.ZuneInstallDir = ZuneInstallDirBox.Text;
+            ModManager.ZuneInstallDir = ZuneInstallDirBox.Text;
 
             progDialog.Maximum = 3;
             int numCompleted = 0;
@@ -80,15 +80,14 @@ namespace ZuneModdingHelper
             progDialog.SetMessage("Awaiting options...");
             if (mod.OptionsUI != null)
             {
-                var optionsDialog = new AbstractUIGroupDialog(mod.OptionsUI);
-                optionsDialog.Title = optionsDialog.Title + " | " + mod.Title;
+                var optionsDialog = new OptionsUIDialog(mod);
                 bool? optionsResult = optionsDialog.ShowDialog();
                 if (!(optionsResult.HasValue && optionsResult.Value))
                 {
                     await progDialog.CloseAsync();
                     return;
                 }
-                mod.OptionsUI = (AbstractUICollection)optionsDialog.ViewModel.Model;
+                mod.OptionsUI = (AbstractUICollection)optionsDialog.OptionsViewModel.Model;
             }
             progDialog.SetProgress(++numCompleted);
 
@@ -122,7 +121,7 @@ namespace ZuneModdingHelper
             if (sender is FrameworkElement elem && elem.DataContext is Mod mod)
             {
                 var progDialog = await this.ShowProgressAsync("Getting ready...", "Preparing to reset mod", settings: defaultMetroDialogSettings);
-                Mod.ZuneInstallDir = ZuneInstallDirBox.Text;
+                ModManager.ZuneInstallDir = ZuneInstallDirBox.Text;
 
                 progDialog.Maximum = 2;
                 int numCompleted = 0;
@@ -279,7 +278,7 @@ namespace ZuneModdingHelper
                 CommonOpenFileDialog dialog = new()
                 {
                     IsFolderPicker = true,
-                    DefaultDirectory = Mod.ZuneInstallDir
+                    DefaultDirectory = ModManager.ZuneInstallDir
                 };
                 CommonFileDialogResult result = dialog.ShowDialog();
                 if (result == CommonFileDialogResult.Ok)

ZuneModdingHelper/OptionsUIDialog.xaml

@@ -1,4 +1,4 @@
-<mah:MetroWindow x:Class="ZuneModdingHelper.AbstractUIGroupDialog"
+<mah:MetroWindow x:Class="ZuneModdingHelper.OptionsUIDialog"
                  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                  xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
@@ -24,8 +24,13 @@
         </Grid.RowDefinitions>
         
         <ScrollViewer>
-            <absui:AbstractUIGroupPresenter x:Name="OptionsUIPresenter" ViewModel="{Binding}"
+            <StackPanel Orientation="Vertical">
+                <absui:AbstractUIGroupPresenter x:Name="OptionsUIPresenter" ViewModel="{Binding OptionsViewModel}"
                                                 TemplateSelector="{StaticResource GroupTemplateSelector}"/>
+
+                <HeaderedItemsControl x:Name="DependenciesPresenter" Header="Dependencies"
+                                      ItemsSource="{Binding CurrentMod.DependentMods}"/>
+            </StackPanel>
         </ScrollViewer>
         
         <Border Grid.Row="1" BorderThickness="0,1,0,0" BorderBrush="{StaticResource MahApps.Brushes.Control.Border}">

ZuneModdingHelper/OptionsUIDialog.xaml.cs

@@ -0,0 +1,57 @@
+using MahApps.Metro.Controls;
+using OwlCore.AbstractUI.Models;
+using OwlCore.AbstractUI.ViewModels;
+using OwlCore.Wpf.AbstractUI.Controls;
+using System.Windows;
+using ZuneModCore;
+
+namespace ZuneModdingHelper
+{
+    /// <summary>
+    /// A dialog that displays the options and dependencies for the given <see cref="CurrentMod"/>.
+    /// </summary>
+    public partial class OptionsUIDialog : MetroWindow
+    {
+        public OptionsUIDialog(Mod mod)
+        {
+            InitializeComponent();
+
+            DataContext = this;
+            CurrentMod = mod;
+            if (CurrentMod.OptionsUI != null)
+            {
+                OptionsViewModel = new(CurrentMod.OptionsUI);
+            }
+
+            Title = "Options | " + CurrentMod.Title;
+        }
+
+        private void OptionsUINextButton_Click(object sender, RoutedEventArgs e) => Finish(true);
+
+        private void OptionsUICancelButton_Click(object sender, RoutedEventArgs e) => Finish(false);
+
+        private void Finish(bool result)
+        {
+            DialogResult = result;
+            Close();
+        }
+
+        public Mod CurrentMod
+        {
+            get => (Mod)GetValue(CurrentModProperty);
+            set => SetValue(CurrentModProperty, value);
+        }
+        public static readonly DependencyProperty CurrentModProperty = DependencyProperty.Register(
+            nameof(CurrentMod), typeof(Mod), typeof(OptionsUIDialog));
+
+        public AbstractUICollectionViewModel OptionsViewModel
+        {
+            get => (AbstractUICollectionViewModel)GetValue(OptionsViewModelProperty);
+            set => SetValue(OptionsViewModelProperty, value);
+        }
+        public static readonly DependencyProperty OptionsViewModelProperty = DependencyProperty.Register(
+            nameof(OptionsViewModel), typeof(AbstractUICollectionViewModel), typeof(OptionsUIDialog));
+
+        public bool HasOptions => CurrentMod.OptionsUI != null;
+    }
+}