diff --git a/OpenRA.Mods.Common/Traits/World/EditorActorLayer.cs b/OpenRA.Mods.Common/Traits/World/EditorActorLayer.cs
index be9107ff52..f175ce72d0 100644
--- a/OpenRA.Mods.Common/Traits/World/EditorActorLayer.cs
+++ b/OpenRA.Mods.Common/Traits/World/EditorActorLayer.cs
@@ -140,6 +140,8 @@ namespace OpenRA.Mods.Common.Traits
 			foreach (var cell in footprint)
 				AddPreviewLocation(preview, cell);
 
+			preview.AddedToEditor();
+
 			if (!initialSetup)
 			{
 				UpdateNeighbours(preview.Footprint);
@@ -171,6 +173,7 @@ namespace OpenRA.Mods.Common.Traits
 					cellMap.Remove(cell);
 			}
 
+			preview.RemovedFromEditor();
 			UpdateNeighbours(preview.Footprint);
 
 			if (preview.Info.Name == "mpspawn")
diff --git a/OpenRA.Mods.Common/Traits/World/EditorActorPreview.cs b/OpenRA.Mods.Common/Traits/World/EditorActorPreview.cs
index ce1265fa9a..2cad5cf300 100644
--- a/OpenRA.Mods.Common/Traits/World/EditorActorPreview.cs
+++ b/OpenRA.Mods.Common/Traits/World/EditorActorPreview.cs
@@ -45,12 +45,13 @@ namespace OpenRA.Mods.Common.Traits
 		public PlayerReference Owner { get; set; }
 		public SubCell SubCell { get; private set; }
 		public bool Selected { get; set; }
+		public readonly Color RadarColor;
 
 		readonly WorldRenderer worldRenderer;
 		readonly TooltipInfoBase tooltip;
 		IActorPreview[] previews;
 		readonly ActorReference reference;
-		public readonly Color RadarColor;
+		readonly Dictionary<INotifyEditorPlacementInfo, object> editorData = new Dictionary<INotifyEditorPlacementInfo, object>();
 
 		public EditorActorPreview(WorldRenderer worldRenderer, string id, ActorReference reference, PlayerReference owner)
 		{
@@ -131,6 +132,18 @@ namespace OpenRA.Mods.Common.Traits
 				yield return SelectionBox;
 		}
 
+		public void AddedToEditor()
+		{
+			foreach (var notify in Info.TraitInfos<INotifyEditorPlacementInfo>())
+				editorData[notify] = notify.AddedToEditor(this, worldRenderer.World);
+		}
+
+		public void RemovedFromEditor()
+		{
+			foreach (var kv in editorData)
+				kv.Key.RemovedFromEditor(this, worldRenderer.World, kv.Value);
+		}
+
 		public void AddInit<T>(T init) where T : ActorInit
 		{
 			reference.Add(init);
diff --git a/OpenRA.Mods.Common/TraitsInterfaces.cs b/OpenRA.Mods.Common/TraitsInterfaces.cs
index 8ff9541cda..ab6793d3c0 100644
--- a/OpenRA.Mods.Common/TraitsInterfaces.cs
+++ b/OpenRA.Mods.Common/TraitsInterfaces.cs
@@ -590,6 +590,13 @@ namespace OpenRA.Mods.Common.Traits
 		}
 	}
 
+	[RequireExplicitImplementation]
+	public interface INotifyEditorPlacementInfo : ITraitInfoInterface
+	{
+		object AddedToEditor(EditorActorPreview preview, World editorWorld);
+		void RemovedFromEditor(EditorActorPreview preview, World editorWorld, object data);
+	}
+
 	[RequireExplicitImplementation]
 	public interface IPreventMapSpawn
 	{