X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fapi%2FAlignViewportI.java;h=324e6ca97618f5acac1b84e0df4702877db97b66;hb=424c56371cd59181b994d7e3e8e91c4b7ba0b507;hp=2dea15e8f747d6c8803f46c40d08f7d462aff065;hpb=2d3bf89e4c4a93d78af9772a78e94d5be7d15402;p=jalview.git

diff --git a/src/jalview/api/AlignViewportI.java b/src/jalview/api/AlignViewportI.java
index 2dea15e..324e6ca 100644
--- a/src/jalview/api/AlignViewportI.java
+++ b/src/jalview/api/AlignViewportI.java
@@ -354,4 +354,27 @@ public interface AlignViewportI
 
   boolean hasHiddenRows();
 
+  /**
+   * Returns a viewport which holds the cDna for this (protein), or vice versa,
+   * or null if none is set.
+   * 
+   * @return
+   */
+  AlignViewportI getCodingComplement();
+
+
+  /**
+   * Sets the viewport which holds the cDna for this (protein), or vice versa.
+   * Implementation should guarantee that the reciprocal relationship is always
+   * set, i.e. each viewport is the complement of the other.
+   */
+  void setCodingComplement(AlignViewportI sl);
+
+  /**
+   * Answers true if viewport hosts DNA/RNA, else false.
+   * 
+   * @return
+   */
+  boolean isNucleotide();
+
 }