[562938] fixed update issue in property sheet

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=562938
Change-Id: I87adad7614b1f0fc09c877da74bae94bd07d12c2
Signed-off-by: Alois Zoitl <alois.zoitl@gmx.at>
diff --git a/plugins/org.eclipse.fordiac.ide.gef/src/org/eclipse/fordiac/ide/gef/properties/AbstractSection.java b/plugins/org.eclipse.fordiac.ide.gef/src/org/eclipse/fordiac/ide/gef/properties/AbstractSection.java
index 99eb194..bfec49a 100644
--- a/plugins/org.eclipse.fordiac.ide.gef/src/org/eclipse/fordiac/ide/gef/properties/AbstractSection.java
+++ b/plugins/org.eclipse.fordiac.ide.gef/src/org/eclipse/fordiac/ide/gef/properties/AbstractSection.java
@@ -18,9 +18,9 @@
 import org.eclipse.core.runtime.Assert;
 import org.eclipse.emf.common.notify.Adapter;
 import org.eclipse.emf.common.notify.Notification;
-import org.eclipse.emf.common.notify.impl.AdapterImpl;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.provider.EcoreItemProviderAdapterFactory;
+import org.eclipse.emf.ecore.util.EContentAdapter;
 import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
 import org.eclipse.emf.edit.provider.ReflectiveItemProviderAdapterFactory;
 import org.eclipse.emf.edit.provider.resource.ResourceItemProviderAdapterFactory;
@@ -82,7 +82,7 @@
 		setInputInit();
 	}
 
-	private final Adapter contentAdapter = new AdapterImpl() {
+	private final Adapter contentAdapter = new EContentAdapter() {
 		@Override
 		public void notifyChanged(Notification notification) {
 			if (null != getType() && getType().eAdapters().contains(contentAdapter) && !blockRefresh) {