bugfix sfit bug 7182: labels have additional image

org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editpart/PositionedEditPartBase.java

@@ -73,7 +73,7 @@ import org.fortiss.tooling.kernel.ui.service.IModelElementHandlerService;
  * @author hoelzl
  * @author $Author$
  * @version $Rev$
- * @ConQAT.Rating YELLOW Hash: CD1071857B9255A7644C2F83F6366AE1
+ * @ConQAT.Rating YELLOW Hash: B7BB6E68977D1BA5C377B722B2D560CE
  */
 public abstract class PositionedEditPartBase<T extends ILayoutedModelElement> extends
 		GraphicalEditPartBase<T> implements NodeEditPart {
@@ -189,8 +189,10 @@ public abstract class PositionedEditPartBase<T extends ILayoutedModelElement> ex
 
 		if(labelFigure != null && labelFigure.getParent() != null) {
 			labelFigure.setText(determineLabelFigureText());
-			labelFigure.setIcon(IModelElementHandlerService.INSTANCE.getModelElementHandler(
-					getModel()).getIcon(getModel()));
+			if(labelFigure.getIcon() != null) {
+				labelFigure.setIcon(IModelElementHandlerService.INSTANCE.getModelElementHandler(
+						getModel()).getIcon(getModel()));
+			}
 			Rectangle labelBounds = determineLabelFigureBounds();
 			labelFigure.setBounds(labelBounds);
 			labelFigure.getParent().setConstraint(labelFigure, labelBounds);