From 6ba38b203398282826e738a5ac792fb689479241 Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Tue, 15 Feb 2005 10:46:29 +0000
Subject: [PATCH] no action if supplied colour isnull

---
 src/jalview/gui/SliderPanel.java |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/jalview/gui/SliderPanel.java b/src/jalview/gui/SliderPanel.java
index 79a05de..fca4105 100755
--- a/src/jalview/gui/SliderPanel.java
+++ b/src/jalview/gui/SliderPanel.java
@@ -50,6 +50,9 @@ public class SliderPanel extends GSliderPanel
 
   public void valueChanged(int i)
   {
+    if(cs == null)
+      return;
+
     ColourSchemeI toChange = null;
     Vector allGroups = null;
     int groupIndex = 0;
-- 
1.7.10.2