[Editor] Rework plugins initialization

sources/editor/Stride.Assets.Presentation/Module.cs

@@ -2,7 +2,6 @@
 // Distributed under the MIT license. See the LICENSE.md file in the project root for more information.
 using System.Runtime.CompilerServices;
 using Stride.Core.Assets.Quantum;
-using Stride.Core;
 using Stride.Core.Reflection;
 using Stride.Core.Translation;
 using Stride.Core.Translation.Providers;
@@ -11,6 +10,7 @@
 using Stride.Assets.SpriteFont;
 using Stride.Rendering;
 using Stride.Rendering.Materials;
+using Stride.Core.Assets.Editor.Services;
 
 namespace Stride.Assets.Presentation
 {
@@ -26,6 +26,7 @@ public static void Initialize()
             AssemblyRegistry.Register(typeof(Module).Assembly, AssemblyCommonCategories.Assets);
             // We need access to the AssetQuantumRegistry from the SessionTemplateGenerator so for now we register graph types in the module initializer.
             AssetQuantumRegistry.RegisterAssembly(typeof(Module).Assembly);
+            AssetsPlugin.RegisterPlugin(typeof(StrideDefaultAssetsPlugin));
             // Register default template
             StrideTemplates.Register();
             // Initialize translation

sources/editor/Stride.Assets.Presentation/StrideDefaultAssetsPlugin.cs

@@ -36,7 +36,7 @@ public sealed class StrideDefaultAssetsPlugin : StrideAssetsPlugin
         /// </summary>
         private class ComponentTypeComparer : EqualityComparer<Type>
         {
-            public new static readonly ComponentTypeComparer Default = new ComponentTypeComparer();
+            public static new readonly ComponentTypeComparer Default = new ComponentTypeComparer();
 
             /// <summary>
             /// Compares two component types and returns <c>true</c> if the types match, i.e.:

sources/editor/Stride.Core.Assets.Editor/CoreAssetsEditorPlugin.cs

@@ -0,0 +1,72 @@
+// Copyright (c) .NET Foundation and Contributors (https://dotnetfoundation.org/ & https://stride3d.net) and Silicon Studio Corp. (https://www.siliconstudio.co.jp)
+// Distributed under the MIT license. See the LICENSE.md file in the project root for more information.
+
+using System;
+using System.Collections.Generic;
+using System.Windows;
+using Stride.Core.Assets.Editor.Services;
+using Stride.Core.Assets.Editor.ViewModel;
+using Stride.Core.Assets.Editor.ViewModel.CopyPasteProcessors;
+using Stride.Core.Diagnostics;
+using Stride.Core.Presentation.View;
+
+#nullable enable
+
+namespace Stride.Core.Assets.Editor;
+
+internal sealed class CoreAssetsEditorPlugin : AssetsEditorPlugin
+{
+    private ResourceDictionary? imageDictionary;
+
+    /// <inheritdoc />
+    public override void InitializePlugin(ILogger logger)
+    {
+        imageDictionary ??= (ResourceDictionary)Application.LoadComponent(new Uri("/Stride.Core.Assets.Editor;component/View/ImageDictionary.xaml", UriKind.RelativeOrAbsolute));
+    }
+
+    /// <inheritdoc />
+    public override void InitializeSession(SessionViewModel session)
+    {
+    }
+
+    /// <inheritdoc />
+    public override void RegisterPrimitiveTypes(ICollection<Type> primitiveTypes)
+    {
+    }
+
+    /// <inheritdoc />
+    public override void RegisterEnumImages(IDictionary<object, object> enumImages)
+    {
+        if (imageDictionary is null) return;
+
+        foreach (var entry in imageDictionary.Keys)
+        {
+            if (entry is Enum && imageDictionary[entry] is { } image)
+            {
+                enumImages.Add(entry, image);
+            }
+        }
+    }
+
+    /// <inheritdoc />
+    public override void RegisterCopyProcessors(ICollection<ICopyProcessor> copyProcessors, SessionViewModel session)
+    {
+    }
+
+    /// <inheritdoc />
+    public override void RegisterPasteProcessors(ICollection<IPasteProcessor> pasteProcessors, SessionViewModel session)
+    {
+        pasteProcessors.Add(new AssetPropertyPasteProcessor());
+        pasteProcessors.Add(new AssetItemPasteProcessor(session));
+    }
+
+    /// <inheritdoc />
+    public override void RegisterPostPasteProcessors(ICollection<IAssetPostPasteProcessor> postePasteProcessors, SessionViewModel session)
+    {
+    }
+
+    /// <inheritdoc />
+    public override void RegisterTemplateProviders(ICollection<ITemplateProvider> templateProviders)
+    {
+    }
+}

sources/editor/Stride.Core.Assets.Editor/Module.cs

@@ -1,6 +1,7 @@
 // Copyright (c) .NET Foundation and Contributors (https://dotnetfoundation.org/ & https://stride3d.net) and Silicon Studio Corp. (https://www.siliconstudio.co.jp)
 // Distributed under the MIT license. See the LICENSE.md file in the project root for more information.
 using System.Reflection;
+using Stride.Core.Assets.Editor.Services;
 using Stride.Core.Reflection;
 using Stride.Core.Translation;
 using Stride.Core.Translation.Providers;
@@ -13,6 +14,7 @@ internal class Module
         public static void Initialize()
         {
             AssemblyRegistry.Register(typeof(Module).GetTypeInfo().Assembly, AssemblyCommonCategories.Assets);
+            AssetsPlugin.RegisterPlugin(typeof(CoreAssetsEditorPlugin));
             // Initialize translation
             TranslationManager.Instance.RegisterProvider(new GettextTranslationProvider());
         }

sources/editor/Stride.Core.Assets.Editor/Services/AssetsEditorPlugin.cs

@@ -0,0 +1,60 @@
+// Copyright (c) .NET Foundation and Contributors (https://dotnetfoundation.org/ & https://stride3d.net)
+// Distributed under the MIT license. See the LICENSE.md file in the project root for more information.
+
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using Stride.Core.Assets.Editor.Annotations;
+using Stride.Core.Assets.Editor.Components.Properties;
+using Stride.Core.Assets.Editor.ViewModel;
+using Stride.Core.Presentation.View;
+
+#nullable enable
+
+namespace Stride.Core.Assets.Editor.Services;
+
+public abstract class AssetsEditorPlugin : AssetsPlugin
+{
+    protected static readonly Dictionary<Type, object> TypeImages = [];
+
+    // TODO: give access to this differently
+    public readonly List<PackageSettingsEntry> ProfileSettings = [];
+
+    public static IReadOnlyDictionary<Type, object> TypeImagesDictionary => TypeImages;
+
+    public void RegisterAssetEditorViewModelTypes(IDictionary<Type, Type> assetEditorViewModelTypes)
+    {
+        var pluginAssembly = GetType().Assembly;
+        foreach (var type in pluginAssembly.GetTypes())
+        {
+            if (typeof(IAssetEditorViewModel).IsAssignableFrom(type) &&
+                type.GetCustomAttribute<AssetEditorViewModelAttribute>() is { } attribute)
+            {
+                assetEditorViewModelTypes.Add(attribute.ViewModelType, type);
+            }
+        }
+    }
+
+    public void RegisterAssetEditorViewTypes(IDictionary<Type, Type> assetEditorViewTypes)
+    {
+        var pluginAssembly = GetType().Assembly;
+        foreach (var type in pluginAssembly.GetTypes())
+        {
+            if (typeof(IEditorView).IsAssignableFrom(type) &&
+                type.GetCustomAttribute<AssetEditorViewAttribute>() is { } attribute)
+            {
+                assetEditorViewTypes.Add(attribute.EditorViewModelType, type);
+            }
+        }
+    }
+
+    public abstract void RegisterEnumImages(IDictionary<object, object> enumImages);
+
+    public abstract void RegisterCopyProcessors(ICollection<ICopyProcessor> copyProcessors, SessionViewModel session);
+
+    public abstract void RegisterPasteProcessors(ICollection<IPasteProcessor> pasteProcessors, SessionViewModel session);
+
+    public abstract void RegisterPostPasteProcessors(ICollection<IAssetPostPasteProcessor> postePasteProcessors, SessionViewModel session);
+
+    public abstract void RegisterTemplateProviders(ICollection<ITemplateProvider> templateProviders);
+}