/*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.5)
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.6)
* Copyright (C) 2010 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
*
* This file is part of Jalview.
AlignViewport.UPDATING_CONSERVATION = true;
- int alWidth = this.alignViewport.alignment.getWidth();
- if (alWidth < 0)
+ int alWidth;
+
+ if (alignViewport==null || alignViewport.alignment==null || (alWidth=alignViewport.alignment.getWidth())< 0)
{
+ this.alignViewport.updatingConservation = false;
+ AlignViewport.UPDATING_CONSERVATION = false;
return;
}