JAL-98 null reference to globalColourScheme as it has ref to consensus

[jalview.git] / src / jalview / viewmodel / AlignmentViewport.java

diff --git a/src/jalview/viewmodel/AlignmentViewport.java b/src/jalview/viewmodel/AlignmentViewport.java
index 6ecfe99..1afe586 100644 (file)
--- a/src/jalview/viewmodel/AlignmentViewport.java
+++ b/src/jalview/viewmodel/AlignmentViewport.java
@@ -939,7 +939,9 @@ public abstract class AlignmentViewport implements AlignViewportI,
     groupConservation = null;
     hconsensus = null;
     hcomplementConsensus = null;
-    // TODO removed listeners from changeSupport?
+    // colour scheme may hold reference to consensus
+    globalColourScheme = null;
+    // TODO remove listeners from changeSupport?
     changeSupport = null;
     setAlignment(null);
   }
@@ -1574,7 +1576,7 @@ public abstract class AlignmentViewport implements AlignViewportI,
   public boolean isHiddenRepSequence(SequenceI seq)
   {
     return (hiddenRepSequences != null && hiddenRepSequences
-                    .containsKey(seq));
+            .containsKey(seq));
   }
 
   /**
@@ -2797,8 +2799,7 @@ public abstract class AlignmentViewport implements AlignViewportI,
   public void expandColSelection(SequenceGroup sg, boolean wholewidth)
   {
     int sgs, sge;
-    if (sg != null
-            && (sgs = sg.getStartRes()) >= 0
+    if (sg != null && (sgs = sg.getStartRes()) >= 0
             && sg.getStartRes() <= (sge = sg.getEndRes())
             && !this.hasSelectedColumns())
     {