X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FColumnSelection.java;h=b427739ca3fc776c60e42ea6bfcf4549261092a1;hb=HEAD;hp=3c2d1664bba6c5adbcfd622cfe09d74d9d91d46f;hpb=4b7d3640209c4434d569c746672cf9eed4250ace;p=jalview.git

diff --git a/src/jalview/datamodel/ColumnSelection.java b/src/jalview/datamodel/ColumnSelection.java
index 3c2d166..b427739 100644
--- a/src/jalview/datamodel/ColumnSelection.java
+++ b/src/jalview/datamodel/ColumnSelection.java
@@ -278,6 +278,27 @@ public class ColumnSelection
   }
 
   /**
+   * add a series of start,end (inclusive) ranges to the column selection
+   * 
+   * @param rng
+   *          [start_0, end_0, start_1, end_1, ... ]
+   * @param baseOne
+   *          - when true, ranges are base 1 and will be mapped to base 0
+   */
+  public void addRangeOfElements(int[] rng, boolean baseOne)
+  {
+    int base = baseOne ? -1 : 0;
+    for (int c = 0; c < rng.length; c += 2)
+    {
+      for (int p = rng[c]; p <= rng[c + 1]; p++)
+      {
+        selection.add(base + p);
+      }
+    }
+
+  }
+
+  /**
    * clears column selection
    */
   public void clear()
@@ -319,10 +340,12 @@ public class ColumnSelection
 
   /**
    * Returns a read-only view of the (possibly empty) list of selected columns
+   * (base 1)
    * <p>
-   * The list contains no duplicates but is not necessarily ordered. It also may
-   * include columns hidden from the current view. To modify (for example sort)
-   * the list, you should first make a copy.
+   * The list contains no duplicates but is not necessarily ordered. Columns are
+   * reported in alignment coordinates (base 1), so may also include columns
+   * hidden from the current view. To modify (for example sort) the list, you
+   * should first make a copy.
    * <p>
    * The list is not thread-safe: iterating over it could result in
    * ConcurrentModificationException if it is modified by another thread.