make editing domain accesible from SectionPropertiesEditingPart
diff --git a/plugins/org.eclipse.emf.eef.runtime/src/org/eclipse/emf/eef/runtime/part/impl/SectionPropertiesEditingPart.java b/plugins/org.eclipse.emf.eef.runtime/src/org/eclipse/emf/eef/runtime/part/impl/SectionPropertiesEditingPart.java
index 9253188..efd2c92 100644
--- a/plugins/org.eclipse.emf.eef.runtime/src/org/eclipse/emf/eef/runtime/part/impl/SectionPropertiesEditingPart.java
+++ b/plugins/org.eclipse.emf.eef.runtime/src/org/eclipse/emf/eef/runtime/part/impl/SectionPropertiesEditingPart.java
@@ -116,7 +116,7 @@
 	 *      org.eclipse.jface.viewers.ISelection)
 	 */
 	public void setInput(IWorkbenchPart part, ISelection selection) {
-		initializeEditingDomain(part);
+		initializeEditingDomain(part, selection);
 		if (!(selection instanceof IStructuredSelection)) {
 			return;
 		}
@@ -172,7 +172,7 @@
 		}
 	}
 
-	private void initializeEditingDomain(IWorkbenchPart part) {
+	protected void initializeEditingDomain(IWorkbenchPart part, ISelection selection) {
 		editingDomain = EditingUtils.getResourceSetFromEditor(part);
 	}
 
@@ -384,4 +384,17 @@
 		return null;
 	}
 
+	/**
+	 * @return the editing domain
+	 */
+	public EditingDomain getEditingDomain() {
+		return editingDomain;
+	}
+
+	/**
+	 * @param editingDomain
+	 */
+	public void setEditingDomain(EditingDomain editingDomain) {
+		this.editingDomain = editingDomain;
+	}
 }