diff --git a/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/javafx/control/treetableview/.ratings b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/javafx/control/treetableview/.ratings
index d17f3c38d4701582e8122a7fc31cec5d32f004d4..fa2968f9f986ed98ed40e29f5418fc88f66e022d 100644
--- a/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/javafx/control/treetableview/.ratings
+++ b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/javafx/control/treetableview/.ratings
@@ -1 +1 @@
-ModelElementTreeViewer.java d8443481e634347b0c533f23d0ae65e312b658f6 YELLOW
+ModelElementTreeViewer.java 44744e6b11264547bd6b05a84a427948bf919969 RED
diff --git a/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/javafx/control/treetableview/ModelElementTreeViewer.java b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/javafx/control/treetableview/ModelElementTreeViewer.java
index d8443481e634347b0c533f23d0ae65e312b658f6..44744e6b11264547bd6b05a84a427948bf919969 100644
--- a/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/javafx/control/treetableview/ModelElementTreeViewer.java
+++ b/org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/javafx/control/treetableview/ModelElementTreeViewer.java
@@ -15,6 +15,8 @@
 +--------------------------------------------------------------------------*/
 package org.fortiss.tooling.base.ui.javafx.control.treetableview;
 
+import static javafx.embed.swt.SWTFXUtils.toFXImage;
+
 import org.fortiss.tooling.base.model.element.IHierarchicElement;
 import org.fortiss.tooling.base.model.element.IModelElement;
 import org.fortiss.tooling.common.ui.javafx.control.treetableview.DynamicTreeContentProviderBase;
@@ -23,18 +25,18 @@ import org.fortiss.tooling.common.ui.javafx.control.treetableview.DynamicTreeVie
 import org.fortiss.tooling.kernel.model.INamedCommentedElement;
 import org.fortiss.tooling.kernel.ui.service.IModelElementHandlerService;
 
-import javafx.embed.swt.SWTFXUtils;
 import javafx.scene.Node;
 import javafx.scene.control.ContextMenu;
 import javafx.scene.control.TreeView;
 import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 
+// TODO (SB, indicate what is the propose of the TreeView)
 /**
  * TreeViewer that constructs a DynamicTreeViewer whose UI provider uses the methods and kernel
  * services for {@link IHierarchicElement}s and {@link INamedCommentedElement}s.
- * The Viewer uses a composition principle where a client must provide {@link TreeView} (JavaFX), a
- * root element (AF3), and a content provider that selects the elements to be displayed.
+ * The Viewer uses a composition principle where a client must provide a {@link TreeView} (JavaFX),
+ * a root element (AF3), and a content provider that selects the elements to be displayed.
  * 
  * @author diewald
  */
@@ -56,7 +58,8 @@ public class ModelElementTreeViewer<T extends IModelElement & INamedCommentedEle
 	 * {@link IHierarchicElement}s. It also uses the {@link IModelElementHandlerService} for a nicer
 	 * visual appearance.
 	 * <p>
-	 * Externalize this method into a class when subclassing seems appropriate.
+	 * TODO(SB, unclear)
+	 * Externalizing this method into a class when subclassing seems appropriate.
 	 * 
 	 * @return The constructed UI Provider.
 	 */
@@ -75,7 +78,7 @@ public class ModelElementTreeViewer<T extends IModelElement & INamedCommentedEle
 				org.eclipse.swt.graphics.Image icon =
 						IModelElementHandlerService.getInstance().getIcon(element);
 				if(icon != null) {
-					Image fxImage = SWTFXUtils.toFXImage(icon.getImageData(), null);
+					Image fxImage = toFXImage(icon.getImageData(), null);
 					return new ImageView(fxImage);
 				}
 				return null;