From 1d94418e434d3b0ebd4616caf37a058c5a649ddd Mon Sep 17 00:00:00 2001
From: Patrick Ziegler <ziegler.patrick@hotmail.de>
Date: Fri, 1 May 2026 18:09:20 +0200
Subject: [PATCH] Handle editor activation event asynchronously

We don't know when this event is executed. In the worst case, it might
happen in the middle of a refresh operation, where the model is in an
inconsistent state.

Contributes to
https://github.com/eclipse-windowbuilder/windowbuilder/pull/1485
---
 .../wb/internal/core/editor/DesignPage.java   | 19 ++++++-------------
 1 file changed, 6 insertions(+), 13 deletions(-)

diff --git a/org.eclipse.wb.core.java/src/org/eclipse/wb/internal/core/editor/DesignPage.java b/org.eclipse.wb.core.java/src/org/eclipse/wb/internal/core/editor/DesignPage.java
index 1e1b47c1ac..8f3c388fcd 100644
--- a/org.eclipse.wb.core.java/src/org/eclipse/wb/internal/core/editor/DesignPage.java
+++ b/org.eclipse.wb.core.java/src/org/eclipse/wb/internal/core/editor/DesignPage.java
@@ -96,19 +96,12 @@ public final class DesignPage implements IDesignPage {
 		@Override
 		public void partActivated(IWorkbenchPart part) {
 			if (part == m_designerEditor) {
-				ExecutionUtils.runLogLater(new RunnableEx() {
-					@Override
-					public void run() throws Exception {
-						if (!isDisposed()) {
-							GlobalStateJava.activate(m_rootObject);
-							if (m_active) {
-								checkDependenciesOnDesignPageActivation();
-								m_undoManager.deactivate();
-								m_undoManager.activate();
-							}
-						}
-					}
-				});
+				GlobalStateJava.activate(m_rootObject);
+				if (m_active) {
+					checkDependenciesOnDesignPageActivation();
+					m_undoManager.deactivate();
+					m_undoManager.activate();
+				}
 			}
 		}
 	};