From: gmungoc <g.m.carstairs@dundee.ac.uk>
Date: Tue, 20 Jun 2017 09:35:25 +0000 (+0100)
Subject: JAL-2526 don't retain lastColumnPosition from an invalidated cursor
X-Git-Tag: Release_2_10_3b1~200
X-Git-Url: http://source.jalview.org/gitweb/?a=commitdiff_plain;h=36c0fb5e4293dfa35454d0ab33059a38824aafc8;p=jalview.git

JAL-2526 don't retain lastColumnPosition from an invalidated cursor
---

diff --git a/src/jalview/datamodel/Sequence.java b/src/jalview/datamodel/Sequence.java
index 96747e4..783b1bc 100755
--- a/src/jalview/datamodel/Sequence.java
+++ b/src/jalview/datamodel/Sequence.java
@@ -723,7 +723,10 @@ public class Sequence extends ASequence implements SequenceI
    */
   protected void updateCursor(int residuePos, int column, int startColumn)
   {
-    int endColumn = cursor == null ? 0 : cursor.lastColumnPosition;
+    /*
+     * preserve end residue column provided cursor was valid
+     */
+    int endColumn = isValidCursor(cursor) ? cursor.lastColumnPosition : 0;
     if (residuePos == this.end)
     {
       endColumn = column;