fix bug with list of last references

diff --git a/eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/dialog/selection/ReferenceSelectionDialog.java b/eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/dialog/selection/ReferenceSelectionDialog.java
index a1bc2ceca0da552a5b808064f72f3f506a7d45a2..f69157b59d9ceee5e289f259bfad0840cdd4e8d2 100644 (file)
--- a/eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/dialog/selection/ReferenceSelectionDialog.java
+++ b/eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/dialog/selection/ReferenceSelectionDialog.java
@@ -144,9 +144,9 @@ public class ReferenceSelectionDialog extends AbstractFilteredCdmResourceSelecti
            if (lastSelectedReferences == null){
                lastSelectedReferences = new ArrayList<>();
            }
-           if (lastSelectedReferences.size()<6){
+           if (lastSelectedReferences.size()<6 && !lastSelectedReferences.contains(cdmUuid.toString())){
                lastSelectedReferences.add(cdmUuid.toString());
-           }else{
+           }else if (lastSelectedReferences.size()==6 && !lastSelectedReferences.contains(cdmUuid.toString())){
                lastSelectedReferences.remove(0);
                lastSelectedReferences.add(cdmUuid.toString());
            }