JAL-2822 verify start/end is correctly updated and restored after edit, undo, and...

[jalview.git] / src / jalview / datamodel / SequenceI.java

diff --git a/src/jalview/datamodel/SequenceI.java b/src/jalview/datamodel/SequenceI.java
index 6840df8..f1a4140 100755 (executable)
--- a/src/jalview/datamodel/SequenceI.java
+++ b/src/jalview/datamodel/SequenceI.java
@@ -192,17 +192,31 @@ public interface SequenceI extends ASequenceI
   public int findIndex(int pos);
 
   /**
-   * Returns the sequence position for an alignment position.
+   * Returns the sequence position for an alignment (column) position. If at a
+   * gap, returns the position of the next residue to the right. If beyond the
+   * end of the sequence, returns 1 more than the last residue position.
    * 
    * @param i
    *          column index in alignment (from 0..<length)
    * 
-   * @return TODO: JAL-2562 - residue number for residue (left of and) nearest
-   *         ith column
+   * @return
    */
   public int findPosition(int i);
 
   /**
+   * Returns the sequence positions for first and last residues lying within the
+   * given column positions [fromColum,toColumn] (where columns are numbered
+   * from 1), or null if no residues are included in the range
+   * 
+   * @param fromColum
+   *          - first column base 1
+   * @param toColumn
+   *          - last column, base 1
+   * @return
+   */
+  public Range findPositions(int fromColum, int toColumn);
+
+  /**
    * Returns an int array where indices correspond to each residue in the
    * sequence and the element value gives its position in the alignment
    * 
@@ -523,5 +537,5 @@ public interface SequenceI extends ASequenceI
    * @param c1
    * @param c2
    */
-  public int replace(char c1, char c2);
+  int replace(char c1, char c2);
 }