mearge with develop

[jalview.git] / src / jalview / structure / StructureMapping.java

diff --git a/src/jalview/structure/StructureMapping.java b/src/jalview/structure/StructureMapping.java
index d2dcb34..e4749c9 100644 (file)
--- a/src/jalview/structure/StructureMapping.java
+++ b/src/jalview/structure/StructureMapping.java
@@ -20,7 +20,8 @@
  */
 package jalview.structure;
 
-import jalview.datamodel.*;
+import jalview.datamodel.AlignmentAnnotation;
+import jalview.datamodel.SequenceI;
 
 public class StructureMapping
 {
@@ -98,4 +99,34 @@ public class StructureMapping
     }
     return -1;
   }
+
+  /**
+   * transfer a copy of an alignment annotation row in the PDB chain coordinate
+   * system onto the mapped sequence
+   * 
+   * @param ana
+   * @return the copy that was remapped to the mapped sequence
+   * @note this method will create a copy and add it to the dataset sequence for
+   *       the mapped sequence as well as the mapped sequence (if it is not a
+   *       dataset sequence).
+   */
+  public AlignmentAnnotation transfer(AlignmentAnnotation ana)
+  {
+    AlignmentAnnotation ala_copy = new AlignmentAnnotation(ana);
+    SequenceI ds = sequence;
+    while (ds.getDatasetSequence() != null)
+    {
+      ds = ds.getDatasetSequence();
+    }
+    ala_copy.remap(ds, mapping, 0, -1, 1);
+    ds.addAlignmentAnnotation(ala_copy);
+    if (ds != sequence)
+    {
+      // mapping wasn't to an original dataset sequence, so we make a copy on
+      // the mapped sequence too
+      ala_copy = new AlignmentAnnotation(ala_copy);
+      sequence.addAlignmentAnnotation(ala_copy);
+    }
+    return ala_copy;
+  }
 }