X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=inline;f=src%2Fjalview%2Fdatamodel%2FHiddenSequences.java;h=1daaf434156298986a8eb958213a47e72b7d8b34;hb=480d7b96f089281a3caf77d2a4e5adec09dc5bfa;hp=d3aa01af3aaacd2b668c9b5946e55d50f6357f6d;hpb=7f4da0a2b0c10f158a03dbfce8878e67e90c4a68;p=jalview.git

diff --git a/src/jalview/datamodel/HiddenSequences.java b/src/jalview/datamodel/HiddenSequences.java
index d3aa01a..1daaf43 100755
--- a/src/jalview/datamodel/HiddenSequences.java
+++ b/src/jalview/datamodel/HiddenSequences.java
@@ -294,7 +294,7 @@ public class HiddenSequences
    *          the row to start from
    * @return the position of the row in the visible alignment
    */
-  public int findIndexNAboveRow(int visibleDistance, int startRow)
+  public int subtractVisibleRows(int visibleDistance, int startRow)
   {
     // walk upwards through the alignment
     // count all the non-null sequences until we have visibleDistance counted
@@ -403,4 +403,20 @@ public class HiddenSequences
 
     return false;
   }
+
+  /**
+   * Answers if a sequence is hidden
+   * 
+   * @param seq
+   *          (absolute) index to test
+   * @return true if sequence at index seq is hidden
+   */
+  public boolean isHidden(int seq)
+  {
+    if (hiddenSequences != null)
+    {
+      return (hiddenSequences[seq] != null);
+    }
+    return false;
+  }
 }