From 2718d85fac1aef21e2d927d81a1a1b92492975ae Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Thu, 17 Aug 2006 13:40:57 +0000
Subject: [PATCH] Hold onto selected region when hiding all columns only

---
 src/jalview/appletgui/AlignFrame.java |    4 ++++
 src/jalview/gui/AlignViewport.java    |    3 ++-
 src/jalview/gui/AlignmentPanel.java   |    4 ++++
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/jalview/appletgui/AlignFrame.java b/src/jalview/appletgui/AlignFrame.java
index 92f968c..0a771e1 100755
--- a/src/jalview/appletgui/AlignFrame.java
+++ b/src/jalview/appletgui/AlignFrame.java
@@ -350,7 +350,11 @@ public class AlignFrame extends Frame implements ActionListener,
         if(toggleCols)
         {
           if (viewport.colSel.getSelected().size() > 0)
+          {
             viewport.hideSelectedColumns();
+            if(!toggleSeqs)
+                   viewport.selectionGroup = sg;
+          }
           else if (!hide)
             viewport.showAllHiddenColumns();
         }
diff --git a/src/jalview/gui/AlignViewport.java b/src/jalview/gui/AlignViewport.java
index c7bc6d6..bccb877 100755
--- a/src/jalview/gui/AlignViewport.java
+++ b/src/jalview/gui/AlignViewport.java
@@ -1106,6 +1106,7 @@ public class AlignViewport
         return;
 
       colSel.hideSelectedColumns();
+      setSelectionGroup(null);
 
       hasHiddenColumns = true;
     }
@@ -1117,7 +1118,7 @@ public class AlignViewport
         colSel.hideColumns(start);
       else
         colSel.hideColumns(start, end);
-      setSelectionGroup(null);
+
       hasHiddenColumns = true;
     }
 
diff --git a/src/jalview/gui/AlignmentPanel.java b/src/jalview/gui/AlignmentPanel.java
index 28feb0c..3b149f4 100755
--- a/src/jalview/gui/AlignmentPanel.java
+++ b/src/jalview/gui/AlignmentPanel.java
@@ -257,7 +257,11 @@ public class AlignmentPanel extends GAlignmentPanel
              if (toggleCols)
              {
                if(av.colSel.getSelected().size() > 0)
+               {
                  alignFrame.hideSelColumns_actionPerformed(null);
+                 if(!toggleSeqs)
+                   av.selectionGroup = sg;
+               }
                else if(!hide)
                  alignFrame.showAllColumns_actionPerformed(null);
              }
-- 
1.7.10.2