Add IPresenterOwner to editor Custom Editor for more context and advanced interactions

Source/Editor/CustomEditors/CustomEditorPresenter.cs

@@ -37,6 +37,23 @@ namespace FlaxEditor.CustomEditors
         UseDefault = 1 << 2,
     }
 
+    /// <summary>
+    /// The interface for Editor context that owns the presenter. Can be <see cref="FlaxEditor.Windows.PropertiesWindow"/> or <see cref="FlaxEditor.Windows.Assets.PrefabWindow"/> or other window/panel - custom editor scan use it for more specific features.
+    /// </summary>
+    public interface IPresenterOwner
+    {
+        /// <summary>
+        /// Gets the viewport linked with properties presenter (optional, null if unused).
+        /// </summary>
+        public Viewport.EditorViewport PresenterViewport { get; }
+
+        /// <summary>
+        /// Selects the scene objects.
+        /// </summary>
+        /// <param name="nodes">The nodes to select</param>
+        public void Select(List<SceneGraph.SceneGraphNode> nodes);
+    }
+
     /// <summary>
     /// Main class for Custom Editors used to present selected objects properties and allow to modify them.
     /// </summary>
@@ -254,7 +271,7 @@ namespace FlaxEditor.CustomEditors
         /// <summary>
         /// The Editor context that owns this presenter. Can be <see cref="FlaxEditor.Windows.PropertiesWindow"/> or <see cref="FlaxEditor.Windows.Assets.PrefabWindow"/> or other window/panel - custom editor scan use it for more specific features.
         /// </summary>
-        public object Owner;
+        public IPresenterOwner Owner;
 
         /// <summary>
         /// Gets or sets the text to show when no object is selected.
@@ -278,7 +295,7 @@ namespace FlaxEditor.CustomEditors
         /// <param name="undo">The undo. It's optional.</param>
         /// <param name="noSelectionText">The custom text to display when no object is selected. Default is No selection.</param>
         /// <param name="owner">The owner of the presenter.</param>
-        public CustomEditorPresenter(Undo undo, string noSelectionText = null, object owner = null)
+        public CustomEditorPresenter(Undo undo, string noSelectionText = null, IPresenterOwner owner = null)
         {
             Undo = undo;
             Owner = owner;

Source/Editor/CustomEditors/Dedicated/RagdollEditor.cs

@@ -50,7 +50,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 grid.Button("Remove bone").Button.ButtonClicked += OnRemoveBone;
             }
 
-            if (Presenter.Owner is Windows.PropertiesWindow || Presenter.Owner is Windows.Assets.PrefabWindow)
+            if (Presenter.Owner != null)
             {
                 // Selection
                 var grid = editorGroup.CustomContainer<UniformGridPanel>();
@@ -309,10 +309,7 @@ namespace FlaxEditor.CustomEditors.Dedicated
                 if (node != null)
                     selection.Add(node);
             }
-            if (Presenter.Owner is Windows.PropertiesWindow propertiesWindow)
-                propertiesWindow.Editor.SceneEditing.Select(selection);
-            else if (Presenter.Owner is Windows.Assets.PrefabWindow prefabWindow)
-                prefabWindow.Select(selection);
+            Presenter.Owner.Select(selection);
         }
     }
 }

Source/Editor/Windows/Assets/PrefabWindow.cs

@@ -19,7 +19,7 @@ namespace FlaxEditor.Windows.Assets
     /// </summary>
     /// <seealso cref="Prefab" />
     /// <seealso cref="FlaxEditor.Windows.Assets.AssetEditorWindow" />
-    public sealed partial class PrefabWindow : AssetEditorWindowBase<Prefab>
+    public sealed partial class PrefabWindow : AssetEditorWindowBase<Prefab>, IPresenterOwner
     {
         private readonly SplitPanel _split1;
         private readonly SplitPanel _split2;
@@ -520,5 +520,8 @@ namespace FlaxEditor.Windows.Assets
 
             base.OnDestroy();
         }
+
+        /// <inheritdoc />
+        public EditorViewport PresenterViewport => _viewport;
     }
 }

Source/Editor/Windows/PropertiesWindow.cs

@@ -4,6 +4,8 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Xml;
 using FlaxEditor.CustomEditors;
+using FlaxEditor.SceneGraph;
+using FlaxEditor.Viewport;
 using FlaxEngine.GUI;
 
 namespace FlaxEditor.Windows
@@ -13,7 +15,7 @@ namespace FlaxEditor.Windows
     /// </summary>
     /// <seealso cref="FlaxEditor.Windows.EditorWindow" />
     /// <seealso cref="FlaxEditor.Windows.SceneEditorWindow" />
-    public class PropertiesWindow : SceneEditorWindow
+    public class PropertiesWindow : SceneEditorWindow, IPresenterOwner
     {
         private IEnumerable<object> undoRecordObjects;
 
@@ -82,5 +84,14 @@ namespace FlaxEditor.Windows
             if (bool.TryParse(node.GetAttribute("UIPivotRelative"), out value1))
                 UIPivotRelative = value1;
         }
+
+        /// <inheritdoc />
+        public EditorViewport PresenterViewport => Editor.Windows.EditWin.Viewport;
+
+        /// <inheritdoc />
+        public void Select(List<SceneGraphNode> nodes)
+        {
+            Editor.SceneEditing.Select(nodes);
+        }
     }
 }