X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fanalysis%2FAlignmentAnnotationUtils.java;h=194ef80354b4d32827db3c08ce40ce7c5b2c9477;hb=c7bc2d0abe568732fd9249c56b98370944a6e43f;hp=f5626cede30458f5f4562cc7af6d411adf6f6a42;hpb=3714de3baf8f4ee3fc11e93a0fdc8bee96c1594f;p=jalview.git

diff --git a/src/jalview/analysis/AlignmentAnnotationUtils.java b/src/jalview/analysis/AlignmentAnnotationUtils.java
index f5626ce..194ef80 100644
--- a/src/jalview/analysis/AlignmentAnnotationUtils.java
+++ b/src/jalview/analysis/AlignmentAnnotationUtils.java
@@ -239,4 +239,42 @@ public class AlignmentAnnotationUtils
     return (anns == null ? Collections.<AlignmentAnnotation> emptyList()
             : Arrays.asList(anns));
   }
+
+  /**
+   * replace an existing sequence associated annotation with another, creating
+   * association as necessary.
+   * 
+   * @param newAnnot
+   *          - annotation row associated with an alignment sequence to be
+   *          propagated to its dataset sequence.
+   * @param typeName
+   *          - label used to match existing row
+   * @param calcId
+   *          - calcId for existing row
+   */
+  public static void replaceAnnotationOnAlignmentWith(
+          AlignmentAnnotation newAnnot, String typeName, String calcId)
+  {
+    if (newAnnot.sequenceRef != null)
+    {
+      SequenceI dsseq = newAnnot.sequenceRef.getDatasetSequence();
+      while (dsseq.getDatasetSequence() != null)
+      {
+        dsseq = dsseq.getDatasetSequence();
+      }
+      // look for same annotation on dataset and lift this one over
+      List<AlignmentAnnotation> dsan = dsseq.getAlignmentAnnotations(calcId,
+              typeName);
+      if (dsan != null && dsan.size() > 0)
+      {
+        for (AlignmentAnnotation dssan : dsan)
+        {
+          dsseq.removeAlignmentAnnotation(dssan);
+        }
+      }
+      AlignmentAnnotation dssan = new AlignmentAnnotation(newAnnot);
+      dsseq.addAlignmentAnnotation(dssan);
+      dssan.adjustForAlignment();
+    }
+  }
 }