X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FAlignmentI.java;h=e99563b9586694800c734989812d3b84c655f9b1;hb=HEAD;hp=5fb16d6050add60b4ea8e80f6b3c6e743286c927;hpb=cfed9d8a9e10be992877d6097260758ee5563630;p=jalview.git

diff --git a/src/jalview/datamodel/AlignmentI.java b/src/jalview/datamodel/AlignmentI.java
index 5fb16d6..e99563b 100755
--- a/src/jalview/datamodel/AlignmentI.java
+++ b/src/jalview/datamodel/AlignmentI.java
@@ -48,15 +48,29 @@ public interface AlignmentI extends AnnotatedCollectionI
 
   /**
    * 
-   * Calculates the maximum width of the alignment, including gaps.
+   * Answers the width of the alignment, including gaps, that is, the length of
+   * the longest sequence, or -1 if there are no sequences. Avoid calling this
+   * method repeatedly where possible, as it has to perform a calculation. Note
+   * that this width includes any hidden columns.
    * 
-   * @return Greatest sequence length within alignment, or -1 if no sequences
-   *         present
+   * @return
+   * @see AlignmentI#getVisibleWidth()
    */
   @Override
   int getWidth();
 
   /**
+   * 
+   * Answers the visible width of the alignment, including gaps, that is, the
+   * length of the longest sequence, excluding any hidden columns. Answers -1 if
+   * there are no sequences. Avoid calling this method repeatedly where
+   * possible, as it has to perform a calculation.
+   * 
+   * @return
+   */
+  int getVisibleWidth();
+
+  /**
    * Calculates if this set of sequences (visible and invisible) are all the
    * same length
    * 
@@ -581,11 +595,13 @@ public interface AlignmentI extends AnnotatedCollectionI
   AlignedCodonFrame getMapping(SequenceI mapFrom, SequenceI mapTo);
 
   /**
-   * Set the hidden columns collection on the alignment
+   * Set the hidden columns collection on the alignment. Answers true if the
+   * hidden column selection changed, else false.
    * 
    * @param cols
+   * @return
    */
-  public void setHiddenColumns(HiddenColumns cols);
+  public boolean setHiddenColumns(HiddenColumns cols);
 
   /**
    * Set the first sequence as representative and hide its insertions. Typically
@@ -607,5 +623,4 @@ public interface AlignmentI extends AnnotatedCollectionI
    */
   public HiddenColumns propagateInsertions(SequenceI profileseq,
           AlignmentView input);
-
 }