[GEF] Remove duplicate EditDomain and EditPartFactory fields

Use the fields of the GEF viewer to get rid of the duplicate setters.
The getter have to remain overridden, in order to cast the objects to
the WindowBuilder types.

Author: ptziegler

org.eclipse.wb.core/src-gef/org/eclipse/wb/internal/gef/core/AbstractEditPartViewer.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2011, 2025 Google, Inc. and others.
+ * Copyright (c) 2011, 2026 Google, Inc. and others.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License 2.0 which is available at
@@ -13,7 +13,6 @@
  *******************************************************************************/
 package org.eclipse.wb.internal.gef.core;
 
-import org.eclipse.wb.gef.core.IEditPartFactory;
 import org.eclipse.wb.gef.core.IEditPartViewer;
 
 import org.eclipse.core.runtime.Assert;
@@ -39,8 +38,6 @@
  * @coverage gef.core
  */
 public abstract class AbstractEditPartViewer extends org.eclipse.gef.ui.parts.AbstractEditPartViewer implements IEditPartViewer {
-	private EditDomain m_domain;
-	private IEditPartFactory m_factory;
 	private MenuManager m_contextMenu;
 	private List<EditPart> m_selectionList = new ArrayList<>();
 	private EventListenerList m_eventTable;
@@ -55,43 +52,20 @@ public abstract class AbstractEditPartViewer extends org.eclipse.gef.ui.parts.Ab
 	//
 	////////////////////////////////////////////////////////////////////////////
 
-	/**
-	 * Get factory for creating new EditParts.
-	 */
-	@Override
-	public IEditPartFactory getEditPartFactory() {
-		return m_factory;
-	}
-
-	/**
-	 * Set factory for creating new EditParts.
-	 */
-	public void setEditPartFactory(IEditPartFactory factory) {
-		m_factory = factory;
-	}
-
 	/**
 	 * Returns the {@link EditDomain EditDomain} to which this viewer belongs.
 	 */
 	@Override
 	public EditDomain getEditDomain() {
-		return m_domain;
-	}
-
-	/**
-	 * Sets the <code>{@link EditDomain}</code> for this viewer. The Viewer will route all mouse and
-	 * keyboard events to the {@link EditDomain}.
-	 */
-	public void setEditDomain(EditDomain domain) {
-		m_domain = domain;
+		return (EditDomain) super.getEditDomain();
 	}
 
 	/**
 	 * Set input model for this viewer.
 	 */
 	public void setInput(Object model) {
 		RootEditPart rootEditPart = getRootEditPart();
-		EditPart contentEditPart = m_factory.createEditPart(rootEditPart, model);
+		EditPart contentEditPart = getEditPartFactory().createEditPart(rootEditPart, model);
 		rootEditPart.setContents(contentEditPart);
 	}
 

org.eclipse.wb.core/src-gef/org/eclipse/wb/internal/gef/graphical/EditEventManager.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2011, 2025 Google, Inc. and others.
+ * Copyright (c) 2011, 2026 Google, Inc. and others.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License 2.0 which is available at
@@ -15,8 +15,8 @@
 import org.eclipse.wb.gef.core.IEditPartViewer;
 import org.eclipse.wb.internal.draw2d.EventManager;
 import org.eclipse.wb.internal.draw2d.FigureCanvas;
-import org.eclipse.wb.internal.gef.core.EditDomain;
 
+import org.eclipse.gef.EditDomain;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.KeyEvent;
 import org.eclipse.swt.events.MouseEvent;

org.eclipse.wb.core/src-gef/org/eclipse/wb/internal/gef/graphical/GraphicalViewer.java

@@ -17,12 +17,12 @@
 import org.eclipse.wb.internal.draw2d.IRootFigure;
 import org.eclipse.wb.internal.draw2d.RootFigure;
 import org.eclipse.wb.internal.gef.core.AbstractEditPartViewer;
-import org.eclipse.wb.internal.gef.core.EditDomain;
 
 import org.eclipse.draw2d.ExclusionSearch;
 import org.eclipse.draw2d.IFigure;
 import org.eclipse.draw2d.TreeSearch;
 import org.eclipse.draw2d.geometry.Point;
+import org.eclipse.gef.EditDomain;
 import org.eclipse.gef.EditPart;
 import org.eclipse.gef.Handle;
 import org.eclipse.gef.LayerConstants;

org.eclipse.wb.core/src-gef/org/eclipse/wb/internal/gef/tree/TreeEventManager.java

@@ -13,10 +13,10 @@
 package org.eclipse.wb.internal.gef.tree;
 
 import org.eclipse.wb.gef.core.IEditPartViewer;
-import org.eclipse.wb.internal.gef.core.EditDomain;
 import org.eclipse.wb.internal.gef.tree.dnd.TreeDropListener;
 import org.eclipse.wb.internal.gef.tree.dnd.TreeTransfer;
 
+import org.eclipse.gef.EditDomain;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.dnd.DND;
 import org.eclipse.swt.dnd.DragSource;

org.eclipse.wb.core/src-gef/org/eclipse/wb/internal/gef/tree/TreeViewer.java

@@ -14,9 +14,9 @@
 
 import org.eclipse.wb.gef.tree.TreeEditPart;
 import org.eclipse.wb.internal.gef.core.AbstractEditPartViewer;
-import org.eclipse.wb.internal.gef.core.EditDomain;
 
 import org.eclipse.draw2d.geometry.Point;
+import org.eclipse.gef.EditDomain;
 import org.eclipse.gef.EditPart;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.SelectionChangedEvent;