From 74e53831a61cb5c3d342fa302cd2cd8d16eacf7b Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Thu, 8 Sep 2005 15:50:42 +0000
Subject: [PATCH] If no consensus, disable certain colour options

---
 src/jalview/gui/AlignFrame.java |   20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/src/jalview/gui/AlignFrame.java b/src/jalview/gui/AlignFrame.java
index ba9237b..46b2cc5 100755
--- a/src/jalview/gui/AlignFrame.java
+++ b/src/jalview/gui/AlignFrame.java
@@ -68,6 +68,17 @@ public class AlignFrame
   {
     viewport = new AlignViewport(al);
 
+    if(viewport.vconsensus==null)
+    {
+      //Out of memory caluclating consensus.
+      BLOSUM62Colour.setEnabled(false);
+      PIDColour.setEnabled(false);
+      conservationMenuItem.setEnabled(false);
+      modifyConservation.setEnabled(false);
+      abovePIDThreshold.setEnabled(false);
+      modifyPID.setEnabled(false);
+    }
+
     alignPanel = new AlignmentPanel(this, viewport);
     alignPanel.annotationPanel.adjustPanelHeight();
     alignPanel.annotationSpaceFillerHolder.setPreferredSize(alignPanel.
@@ -96,6 +107,7 @@ public class AlignFrame
      }
    });
 
+
     addServiceListeners();
   }
 
@@ -1022,14 +1034,16 @@ public class AlignFrame
 
     viewport.setStartRes(seq.findIndex(startRes)-1);
 
-
     viewport.firePropertyChange("alignment", null, viewport.getAlignment().getSequences());
   }
 
  public void alignmentChanged()
  {
-   viewport.updateConsensus();
-   viewport.updateConservation();
+   if(viewport.vconsensus!=null)
+   {
+     viewport.updateConsensus();
+     viewport.updateConservation();
+   }
    resetAllColourSchemes();
    alignPanel.repaint();
  }
-- 
1.7.10.2