JAL-1427 make sure we are working with dataset sequence when adding cross refs to...

diff --git a/src/jalview/analysis/SequenceIdMatcher.java b/src/jalview/analysis/SequenceIdMatcher.java
index cc2b458..e217aa1 100755 (executable)
--- a/src/jalview/analysis/SequenceIdMatcher.java
+++ b/src/jalview/analysis/SequenceIdMatcher.java
@@ -40,10 +40,15 @@ public class SequenceIdMatcher
       // TODO: deal with ID collisions - SequenceI should be appended to list
       // associated with this key.
       names.put(new SeqIdName(seqs[i].getDisplayId(true)), seqs[i]);
+      SequenceI dbseq = seqs[i];
+      while (dbseq.getDatasetSequence()!=null)
+      {
+        dbseq = dbseq.getDatasetSequence();
+      }
       // add in any interesting identifiers
-      if (seqs[i].getDBRef() != null)
+      if (dbseq.getDBRef() != null)
       {
-        DBRefEntry dbr[] = seqs[i].getDBRef();
+        DBRefEntry dbr[] = dbseq.getDBRef();
         SeqIdName sid = null;
         for (int r = 0; r < dbr.length; r++)
         {