Updating ProjectBrowser

Ghost.Editor.Core/Attributes.cs

@@ -0,0 +1,102 @@
+namespace Ghost.Editor.Core;
+
+/// <summary>
+/// The base class for all attributes that can be discovered via <see cref="Utilities.TypeCache"/>.
+/// </summary>
+public abstract class DiscoverableAttributeBase : Attribute;
+
+
+[AttributeUsage(AttributeTargets.Method)]
+public class AssetOpenHandlerAttribute : DiscoverableAttributeBase
+{
+    public string[] Extensions
+    {
+        get;
+    }
+
+    public AssetOpenHandlerAttribute(params string[] extensions)
+    {
+        Extensions = extensions.Select(e => e.StartsWith('.') ? e.ToLowerInvariant() : '.' + e.ToLowerInvariant()).ToArray();
+    }
+}
+
+[AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
+internal class AssetImporterAttribute : DiscoverableAttributeBase
+{
+    public string[] SupportedExtensions
+    {
+        get;
+    }
+
+    public AssetImporterAttribute(params string[] supportedExtensions)
+    {
+        SupportedExtensions = supportedExtensions;
+    }
+}
+
+[AttributeUsage(AttributeTargets.Class)]
+public class CustomEditorAttribute : DiscoverableAttributeBase
+{
+    internal Type TargetType
+    {
+        get;
+    }
+
+    public CustomEditorAttribute(Type targetType)
+    {
+        TargetType = targetType;
+    }
+}
+
+[AttributeUsage(AttributeTargets.Class | AttributeTargets.Interface, AllowMultiple = false, Inherited = false)]
+public class EditorInjectionAttribute : DiscoverableAttributeBase
+{
+    public enum ServiceLifetime
+    {
+        Singleton,
+        Transient,
+        Scoped
+    }
+
+    public ServiceLifetime Lifetime
+    {
+        get;
+    }
+
+    public Type? ImplementationType
+    {
+        get;
+    }
+
+    public EditorInjectionAttribute(ServiceLifetime lifetime, Type? implementationType = null)
+    {
+        Lifetime = lifetime;
+        ImplementationType = implementationType;
+    }
+}
+
+[AttributeUsage(AttributeTargets.Method)]
+public sealed class ContextMenuItemAttribute : DiscoverableAttributeBase
+{
+    public string Tag
+    {
+        get;
+    }
+
+    public string Name
+    {
+        get;
+    }
+
+    public int Group
+    {
+        get;
+    }
+
+    public ContextMenuItemAttribute(string tag, string name, int group = 0)
+    {
+        Tag = tag;
+        Name = name;
+        Group = group;
+    }
+}