X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Ftypicals%2FTypicalUtil.java;h=e15f5036d9be684d25fe5f2e7d8b315b229f8b36;hp=9c29290a50e03e2e1da3e01c6afc591aa6b4d9ea;hb=621bec7b0f646eb559d24d01183bc8c5c3bbef1a;hpb=fd452722e97db9cf876f4f03a9e44fe750625a92

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/typicals/TypicalUtil.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/typicals/TypicalUtil.java
index 9c29290a5..e15f5036d 100644
--- a/bundles/org.simantics.modeling/src/org/simantics/modeling/typicals/TypicalUtil.java
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/typicals/TypicalUtil.java
@@ -619,15 +619,19 @@ public class TypicalUtil {
                 // Attach the same symbol contributions to the created typical
                 // diagram type as are attached to the model-designated
                 // contribution source diagram type.
+                boolean clonedIndexRootContribution = false;
                 for (Resource symbolContributionSource : cloneSymbolContributionsFrom) {
                     for (Resource contribution : graph.getObjects(symbolContributionSource, DIA.HasSymbolContribution)) {
                         graph.claim(diagramType, DIA.HasSymbolContribution, contribution);
+                        clonedIndexRootContribution |= graph.isInstanceOf(contribution, DIA.IndexRootSymbolContribution);
                     }
                 }
 
-                Resource indexContribution = graph.newResource();
-                graph.claim(indexContribution, L0.InstanceOf, DIA.IndexRootSymbolContribution);
-                graph.claim(diagramType, DIA.HasSymbolContribution, indexContribution);
+                if (!clonedIndexRootContribution) {
+                    Resource indexContribution = graph.newResource();
+                    graph.claim(indexContribution, L0.InstanceOf, DIA.IndexRootSymbolContribution);
+                    graph.claim(diagramType, DIA.HasSymbolContribution, indexContribution);
+                }
 
                 // Add comment to change set.
                 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);