(JAL-969) refactored alignmentViewport base class to own package and pulled up most...
[jalview.git] / src / jalview / gui / AlignFrame.java
index aef8961..50a0f41 100755 (executable)
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Development Version 2.4.1)
- * Copyright (C) 2009 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
+ * Copyright (C) 2011 J Procter, AM Waterhouse, J Engelhardt, LM Lui, G Barton, M Clamp, S Searle
  * 
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
+ * This file is part of Jalview.
  * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License 
+ * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
  * 
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ * Jalview is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranty 
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
+ * PURPOSE.  See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
  */
 package jalview.gui;
 
-import java.beans.*;
-import java.io.*;
-import java.util.*;
-
-import java.awt.*;
-import java.awt.datatransfer.*;
-import java.awt.dnd.*;
-import java.awt.event.*;
-import java.awt.print.*;
-import javax.swing.*;
-import javax.swing.event.MenuEvent;
-
-import jalview.analysis.*;
-import jalview.commands.*;
-import jalview.datamodel.*;
-import jalview.io.*;
-import jalview.jbgui.*;
-import jalview.schemes.*;
-import jalview.ws.*;
+import jalview.analysis.AAFrequency;
+import jalview.analysis.AlignmentSorter;
+import jalview.analysis.Conservation;
+import jalview.analysis.CrossRef;
+import jalview.analysis.NJTree;
+import jalview.analysis.ParseProperties;
+import jalview.analysis.SequenceIdMatcher;
+import jalview.bin.Cache;
+import jalview.commands.CommandI;
+import jalview.commands.EditCommand;
+import jalview.commands.OrderCommand;
+import jalview.commands.RemoveGapColCommand;
+import jalview.commands.RemoveGapsCommand;
+import jalview.commands.SlideSequencesCommand;
+import jalview.commands.TrimRegionCommand;
+import jalview.datamodel.AlignedCodonFrame;
+import jalview.datamodel.Alignment;
+import jalview.datamodel.AlignmentAnnotation;
+import jalview.datamodel.AlignmentI;
+import jalview.datamodel.AlignmentOrder;
+import jalview.datamodel.AlignmentView;
+import jalview.datamodel.ColumnSelection;
+import jalview.datamodel.PDBEntry;
+import jalview.datamodel.SeqCigar;
+import jalview.datamodel.Sequence;
+import jalview.datamodel.SequenceGroup;
+import jalview.datamodel.SequenceI;
+import jalview.io.AlignmentProperties;
+import jalview.io.AnnotationFile;
+import jalview.io.FeaturesFile;
+import jalview.io.FileLoader;
+import jalview.io.FormatAdapter;
+import jalview.io.HTMLOutput;
+import jalview.io.IdentifyFile;
+import jalview.io.JalviewFileChooser;
+import jalview.io.JalviewFileView;
+import jalview.io.JnetAnnotationMaker;
+import jalview.io.NewickFile;
+import jalview.jbgui.GAlignFrame;
+import jalview.schemes.Blosum62ColourScheme;
+import jalview.schemes.BuriedColourScheme;
+import jalview.schemes.ClustalxColourScheme;
+import jalview.schemes.ColourSchemeI;
+import jalview.schemes.ColourSchemeProperty;
+import jalview.schemes.HelixColourScheme;
+import jalview.schemes.HydrophobicColourScheme;
+import jalview.schemes.NucleotideColourScheme;
+import jalview.schemes.PIDColourScheme;
+import jalview.schemes.PurinePyrimidineColourScheme;
+import jalview.schemes.ResidueProperties;
+import jalview.schemes.StrandColourScheme;
+import jalview.schemes.TaylorColourScheme;
+import jalview.schemes.TurnColourScheme;
+import jalview.schemes.UserColourScheme;
+import jalview.schemes.ZappoColourScheme;
+import jalview.ws.WSMenuEntryProviderI;
+import jalview.ws.jws1.Discoverer;
+import jalview.ws.jws2.Jws2Discoverer;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.GridLayout;
+import java.awt.Rectangle;
+import java.awt.Toolkit;
+import java.awt.datatransfer.Clipboard;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.StringSelection;
+import java.awt.datatransfer.Transferable;
+import java.awt.dnd.DnDConstants;
+import java.awt.dnd.DropTargetDragEvent;
+import java.awt.dnd.DropTargetDropEvent;
+import java.awt.dnd.DropTargetEvent;
+import java.awt.dnd.DropTargetListener;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.print.PageFormat;
+import java.awt.print.PrinterJob;
+import java.beans.PropertyChangeEvent;
+import java.io.File;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.Hashtable;
+import java.util.Vector;
+
+import javax.swing.JButton;
+import javax.swing.JEditorPane;
+import javax.swing.JInternalFrame;
+import javax.swing.JLabel;
+import javax.swing.JLayeredPane;
+import javax.swing.JMenu;
+import javax.swing.JMenuItem;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JProgressBar;
+import javax.swing.JRadioButtonMenuItem;
+import javax.swing.JScrollPane;
+import javax.swing.SwingUtilities;
 
 /**
  * DOCUMENT ME!
@@ -200,7 +283,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    */
   void init()
   {
-    if (viewport.conservation == null)
+    if (viewport.getAlignmentConservationAnnotation()== null)
     {
       BLOSUM62Colour.setEnabled(false);
       conservationMenuItem.setEnabled(false);
@@ -226,7 +309,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     {
       this.setDropTarget(new java.awt.dnd.DropTarget(this, this));
       addServiceListeners();
-      setGUINucleotide(viewport.alignment.isNucleotide());
+      setGUINucleotide(viewport.getAlignment().isNucleotide());
     }
 
     setMenusFromViewport(viewport);
@@ -319,7 +402,22 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                     || evt.isShiftDown() || evt.isAltDown());
           }
           break;
-
+          
+        //case KeyEvent.VK_A:
+       //      if (viewport.cursorMode)
+       //     {
+       //              alignPanel.seqPanel.insertNucAtCursor(false,"A");
+       //              //System.out.println("A");
+       //     }
+       //      break;
+        /*     
+        case KeyEvent.VK_CLOSE_BRACKET:
+               if (viewport.cursorMode)
+            {
+                       System.out.println("closing bracket");
+            }
+               break;
+         */
         case KeyEvent.VK_DELETE:
         case KeyEvent.VK_BACK_SPACE:
           if (!viewport.cursorMode)
@@ -406,70 +504,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         {
           boolean toggleSeqs = !evt.isControlDown();
           boolean toggleCols = !evt.isShiftDown();
-
-          boolean hide = false;
-          SequenceGroup sg = viewport.getSelectionGroup();
-          // TODO: document ctrl-shift-h for show visible selected area and fix hack so columns for the current selected region get transferred. 
-          if (!toggleSeqs && !toggleCols)
-          {
-            // Hide everything by the current selection - this is a hack - we do the invert and then hide
-            // first check that there will be visible columns after the invert.
-            if ((viewport.colSel!=null && viewport.colSel.getSelected()!=null && viewport.colSel.getSelected().size()>0) || (sg!=null && sg.getSize()>0  && sg.getStartRes()<=sg.getEndRes())) 
-            {
-            // now invert the sequence set, if required - empty selection implies that no hiding is required.
-            if (sg!=null) {
-              invertSequenceMenuItem_actionPerformed(null);
-              sg = viewport.getSelectionGroup();
-              toggleSeqs = true;
-              
-            }
-
-            if (sg!=null && sg.getStartRes()>=0 && sg.getStartRes()<=sg.getEndRes()&& (viewport.colSel==null || viewport.colSel.getSelected()==null || viewport.colSel.getSelected().size()==0))
-            {
-              // synthesize a column selection if none exists. this happens if a single region has been selected rather than whole columns.
-              if (viewport.colSel==null)
-              {
-                viewport.colSel = new ColumnSelection();
-              }
-              for (int cspos = sg.getStartRes(); cspos<=sg.getEndRes(); cspos++) {
-                viewport.colSel.addElement(cspos);
-              }
-            }
-            // finally invert the column selection and get the new sequence selection.
-            invertColSel_actionPerformed(null);
-            toggleCols = true;
-            }
-          }
-
-          if (toggleSeqs)
-          {
-            if (sg != null
-                    && sg.getSize() != viewport.alignment.getHeight())
-            {
-              hideSelSequences_actionPerformed(null);
-              hide = true;
-            }
-            else if (!(toggleCols && viewport.colSel.getSelected().size() > 0))
-            {
-              showAllSeqs_actionPerformed(null);
-            }
-          }
-
-          if (toggleCols)
-          {
-            if (viewport.colSel.getSelected().size() > 0)
-            {
-              hideSelColumns_actionPerformed(null);
-              if (!toggleSeqs)
-              {
-                viewport.selectionGroup = sg;
-              }
-            }
-            else if (!hide)
-            {
-              showAllColumns_actionPerformed(null);
-            }
-          }
+          toggleHiddenRegions(toggleSeqs, toggleCols);
           break;
         }
         case KeyEvent.VK_PAGE_UP:
@@ -549,12 +584,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     if (newPanel)
     {
-      if (ap.av.padGaps)
+      if (ap.av.isPadGaps())
       {
-        ap.av.alignment.padGaps();
+        ap.av.getAlignment().padGaps();
       }
       ap.av.updateConservation(ap);
       ap.av.updateConsensus(ap);
+      ap.av.updateStrucConsensus(ap);
     }
   }
 
@@ -577,32 +613,47 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   private void addServiceListeners()
   {
     final java.beans.PropertyChangeListener thisListener;
-    // Do this once to get current state
-    BuildWebServiceMenu();
-    Desktop.discoverer
-            .addPropertyChangeListener(thisListener = new java.beans.PropertyChangeListener()
+    Desktop.instance.addJalviewPropertyChangeListener("services",
+            thisListener = new java.beans.PropertyChangeListener()
             {
               public void propertyChange(PropertyChangeEvent evt)
               {
-                // System.out.println("Discoverer property change.");
-                if (evt.getPropertyName().equals("services"))
+                // // System.out.println("Discoverer property change.");
+                // if (evt.getPropertyName().equals("services"))
                 {
-                  // System.out.println("Rebuilding web service menu");
-                  BuildWebServiceMenu();
+                  SwingUtilities.invokeLater(new Runnable()
+                  {
+
+                    public void run()
+                    {
+                      System.err
+                              .println("Rebuild WS Menu for service change");
+                      BuildWebServiceMenu();
+                    }
+
+                  });
                 }
               }
             });
-
     addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()
     {
       public void internalFrameClosed(
               javax.swing.event.InternalFrameEvent evt)
       {
-        // System.out.println("deregistering discoverer listener");
-        Desktop.discoverer.removePropertyChangeListener(thisListener);
+        System.out.println("deregistering discoverer listener");
+        Desktop.instance.removeJalviewPropertyChangeListener("services",
+                thisListener);
         closeMenuItem_actionPerformed(true);
       };
     });
+    // Finally, build the menu once to get current service state
+    new Thread(new Runnable()
+    {
+      public void run()
+      {
+        BuildWebServiceMenu();
+      }
+    }).start();
   }
 
   public void setGUINucleotide(boolean nucleotide)
@@ -611,11 +662,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     conservationMenuItem.setEnabled(!nucleotide);
     modifyConservation.setEnabled(!nucleotide);
     showGroupConservation.setEnabled(!nucleotide);
+    rnahelicesColour.setEnabled(nucleotide);
+    purinePyrimidineColour.setEnabled(nucleotide);
     // Remember AlignFrame always starts as protein
-    if (!nucleotide)
-    {
-      calculateMenu.remove(calculateMenu.getItemCount() - 2);
-    }
+    //if (!nucleotide)
+   // {
+   //   showTr
+   //   calculateMenu.remove(calculateMenu.getItemCount() - 2);
+   // }
   }
 
   /**
@@ -637,7 +691,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    */
   void setMenusFromViewport(AlignViewport av)
   {
-    padGapsMenuitem.setSelected(av.padGaps);
+    padGapsMenuitem.setSelected(av.isPadGaps());
     colourTextMenuItem.setSelected(av.showColourText);
     abovePIDThreshold.setSelected(av.getAbovePIDThreshold());
     conservationMenuItem.setSelected(av.getConservationSelected());
@@ -652,11 +706,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     annotationPanelMenuItem.setState(av.showAnnotation);
     viewBoxesMenuItem.setSelected(av.showBoxes);
     viewTextMenuItem.setSelected(av.showText);
-    showUnconservedMenuItem.setSelected(av.showUnconserved);
-    showGroupConsensus.setSelected(av.showGroupConsensus);
-    showGroupConservation.setSelected(av.showGroupConservation);
-    showConsensusHistogram.setSelected(av.showConsensusHistogram);
-    showSequenceLogo.setSelected(av.showSequenceLogo);
+    showNonconservedMenuItem.setSelected(av.getShowUnconserved());
+    showGroupConsensus.setSelected(av.isShowGroupConsensus());
+    showGroupConservation.setSelected(av.isShowGroupConservation());
+    showConsensusHistogram.setSelected(av.isShowConsensusHistogram());
+    showSequenceLogo.setSelected(av.isShowSequenceLogo());
+    normaliseSequenceLogo.setSelected(av.isNormaliseSequenceLogo());
+    
     setColourSelected(ColourSchemeProperty.getColourName(av
             .getGlobalColourScheme()));
 
@@ -665,7 +721,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     applyToAllGroups.setState(av.colourAppliesToAllGroups);
     showNpFeatsMenuitem.setSelected(av.isShowNpFeats());
     showDbRefsMenuitem.setSelected(av.isShowDbRefs());
-
+    autoCalculate.setSelected(av.autoCalculateConsensus);
+    sortByTree.setSelected(av.sortByTree);
+    listenToViewSelections.setSelected(av.followSelection);
+    rnahelicesColour.setEnabled(av.getAlignment().hasRNAStructure());
+    rnahelicesColour.setSelected(av.getGlobalColourScheme() instanceof jalview.schemes.RNAHelicesColour);
     setShowProductsEnabled();
 
     updateEditMenuBar();
@@ -687,7 +747,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
 
     JPanel progressPanel;
-    Long lId=new Long(id);
+    Long lId = new Long(id);
     GridLayout layout = (GridLayout) statusPanel.getLayout();
     if (progressBars.get(lId) != null)
     {
@@ -721,7 +781,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       progressBars.put(lId, progressPanel);
     }
     // update GUI
-    setMenusForViewport();
+    // setMenusForViewport();
     validate();
   }
 
@@ -745,8 +805,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         public void actionPerformed(ActionEvent e)
         {
           handler.cancelActivity(id);
-          us.setProgressBar("Cancelled "
-                  + ((JLabel) progressPanel.getComponent(0)).getText(), id);
+          us.setProgressBar(
+                  "Cancelled "
+                          + ((JLabel) progressPanel.getComponent(0))
+                                  .getText(), id);
         }
       });
       progressPanel.add(cancel, BorderLayout.EAST);
@@ -793,6 +855,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     if (fileName != null)
     {
+      // TODO: work out how to recover feature settings for correct view(s) when
+      // file is reloaded.
       if (currentFileFormat.equals("Jalview"))
       {
         JInternalFrame[] frames = Desktop.desktop.getAllFrames();
@@ -827,7 +891,23 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                 protocol, currentFileFormat);
 
         newframe.setBounds(bounds);
-
+        if (featureSettings != null && featureSettings.isShowing())
+        {
+          final Rectangle fspos = featureSettings.frame.getBounds();
+          // TODO: need a 'show feature settings' function that takes bounds -
+          // need to refactor Desktop.addFrame
+          newframe.featureSettings_actionPerformed(null);
+          final FeatureSettings nfs = newframe.featureSettings;
+          SwingUtilities.invokeLater(new Runnable()
+          {
+            public void run()
+            {
+              nfs.frame.setBounds(fspos);
+            }
+          });
+          this.featureSettings.close();
+          this.featureSettings = null;
+        }
         this.closeMenuItem_actionPerformed(true);
       }
     }
@@ -866,8 +946,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    */
   public void saveAs_actionPerformed(ActionEvent e)
   {
-    JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache
-            .getProperty("LAST_DIRECTORY"),
+    JalviewFileChooser chooser = new JalviewFileChooser(
+            jalview.bin.Cache.getProperty("LAST_DIRECTORY"),
             jalview.io.AppletFormatAdapter.WRITABLE_EXTENSIONS,
             jalview.io.AppletFormatAdapter.WRITABLE_FNAMES,
             currentFileFormat, false);
@@ -938,7 +1018,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
       String[] omitHidden = null;
 
-      if (viewport.hasHiddenColumns)
+      if (viewport.hasHiddenColumns())
       {
         int reply = JOptionPane
                 .showInternalConfirmDialog(
@@ -956,9 +1036,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       }
       FormatAdapter f = new FormatAdapter();
       String output = f.formatSequences(format,
-              (Alignment) viewport.alignment, // class cast exceptions will
+              (Alignment) viewport.getAlignment(), // class cast exceptions will
               // occur in the distant future
-              omitHidden, f.getCacheSuffixDefault(format), viewport.colSel);
+              omitHidden, f.getCacheSuffixDefault(format), viewport.getColumnSelection());
 
       if (output == null)
       {
@@ -1018,7 +1098,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     String[] omitHidden = null;
 
-    if (viewport.hasHiddenColumns)
+    if (viewport.hasHiddenColumns())
     {
       int reply = JOptionPane
               .showInternalConfirmDialog(
@@ -1037,11 +1117,19 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     CutAndPasteTransfer cap = new CutAndPasteTransfer();
     cap.setForInput(null);
-    Desktop.addInternalFrame(cap, "Alignment output - "
-            + e.getActionCommand(), 600, 500);
 
-    cap.setText(new FormatAdapter().formatSequences(e.getActionCommand(),
-            viewport.alignment, omitHidden, viewport.colSel));
+    try
+    {
+      cap.setText(new FormatAdapter().formatSequences(e.getActionCommand(),
+              viewport.getAlignment(), omitHidden, viewport.getColumnSelection()));
+      Desktop.addInternalFrame(cap,
+              "Alignment output - " + e.getActionCommand(), 600, 500);
+    } catch (OutOfMemoryError oom)
+    {
+      new OOMWarning("Outputting alignment as " + e.getActionCommand(), oom);
+      cap.dispose();
+    }
+
   }
 
   /**
@@ -1052,9 +1140,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    */
   protected void htmlMenuItem_actionPerformed(ActionEvent e)
   {
-    new HTMLOutput(alignPanel, alignPanel.seqPanel.seqCanvas
-            .getSequenceRenderer(), alignPanel.seqPanel.seqCanvas
-            .getFeatureRenderer());
+    new HTMLOutput(alignPanel,
+            alignPanel.seqPanel.seqCanvas.getSequenceRenderer(),
+            alignPanel.seqPanel.seqCanvas.getFeatureRenderer());
   }
 
   public void createImageMap(File file, String image)
@@ -1110,18 +1198,19 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
   public void exportAnnotations_actionPerformed(ActionEvent e)
   {
-    new AnnotationExporter().exportAnnotations(alignPanel,
-            viewport.showAnnotation ? viewport.alignment
-                    .getAlignmentAnnotation() : null, viewport.alignment
+    new AnnotationExporter().exportAnnotations(
+            alignPanel,
+            viewport.showAnnotation ? viewport.getAlignment()
+                    .getAlignmentAnnotation() : null, viewport.getAlignment()
                     .getGroups(),
-            ((Alignment) viewport.alignment).alignmentProperties);
+            ((Alignment) viewport.getAlignment()).alignmentProperties);
   }
 
   public void associatedData_actionPerformed(ActionEvent e)
   {
     // Pick the tree file
-    JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache
-            .getProperty("LAST_DIRECTORY"));
+    JalviewFileChooser chooser = new JalviewFileChooser(
+            jalview.bin.Cache.getProperty("LAST_DIRECTORY"));
     chooser.setFileView(new JalviewFileView());
     chooser.setDialogTitle("Load Jalview Annotations or Features File");
     chooser.setToolTipText("Load Jalview Annotations / Features file");
@@ -1132,7 +1221,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     {
       String choice = chooser.getSelectedFile().getPath();
       jalview.bin.Cache.setProperty("LAST_DIRECTORY", choice);
-      loadJalviewDataFile(choice);
+      loadJalviewDataFile(choice, null, null, null);
     }
 
   }
@@ -1252,7 +1341,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       viewport.historyList.push(command);
       viewport.redoList.clear();
       updateEditMenuBar();
-      viewport.hasHiddenColumns = (viewport.colSel!=null && viewport.colSel.getHiddenColumns() != null && viewport.colSel.getHiddenColumns().size()>0);
+      viewport.updateHiddenColumns();
+//      viewport.hasHiddenColumns = (viewport.getColumnSelection() != null
+//              && viewport.getColumnSelection().getHiddenColumns() != null && viewport.getColumnSelection()
+//              .getHiddenColumns().size() > 0);
     }
   }
 
@@ -1275,7 +1367,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     if (viewport != null)
     {
       return new AlignmentI[]
-      { viewport.alignment };
+      { viewport.getAlignment() };
     }
     return null;
   }
@@ -1299,9 +1391,16 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     if (originalSource != null)
     {
-      originalSource.hasHiddenColumns = (viewport.colSel!=null && viewport.colSel.getHiddenColumns() != null && viewport.colSel.getHiddenColumns().size()>0);
+      if (originalSource!=viewport)
+      {
+        Cache.log.warn("Implementation worry: mismatch of viewport origin for undo");
+      }
+      originalSource.updateHiddenColumns();
+//      originalSource.hasHiddenColumns = (viewport.getColumnSelection() != null
+//              && viewport.getColumnSelection().getHiddenColumns() != null && viewport.getColumnSelection()
+//              .getHiddenColumns().size() > 0);
       originalSource.firePropertyChange("alignment", null,
-              originalSource.alignment.getSequences());
+              originalSource.getAlignment().getSequences());
     }
   }
 
@@ -1327,9 +1426,17 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     if (originalSource != null)
     {
-      originalSource.hasHiddenColumns = (viewport.colSel!=null && viewport.colSel.getHiddenColumns() != null && viewport.colSel.getHiddenColumns().size()>0);
+
+      if (originalSource!=viewport)
+      {
+        Cache.log.warn("Implementation worry: mismatch of viewport origin for redo");
+      }
+      originalSource.updateHiddenColumns();
+      //originalSource.hasHiddenColumns = (viewport.getColumnSelection() != null
+      //        && viewport.getColumnSelection().getHiddenColumns() != null && viewport.getColumnSelection()
+      //        .getHiddenColumns().size() > 0);
       originalSource.firePropertyChange("alignment", null,
-              originalSource.alignment.getSequences());
+              originalSource.getAlignment().getSequences());
     }
   }
 
@@ -1351,7 +1458,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       {
         if (comps.elementAt(i) instanceof AlignmentPanel)
         {
-          if (al == ((AlignmentPanel) comps.elementAt(i)).av.alignment)
+          if (al == ((AlignmentPanel) comps.elementAt(i)).av.getAlignment())
           {
             originalSource = ((AlignmentPanel) comps.elementAt(i)).av;
             break;
@@ -1366,7 +1473,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       // the current view against the closed view first
       if (al != null)
       {
-        PaintRefresher.validateSequences(al, viewport.alignment);
+        PaintRefresher.validateSequences(al, viewport.getAlignment());
       }
 
       originalSource = viewport;
@@ -1392,46 +1499,46 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     if (up)
     {
-      for (int i = 1; i < viewport.alignment.getHeight(); i++)
+      for (int i = 1; i < viewport.getAlignment().getHeight(); i++)
       {
-        SequenceI seq = viewport.alignment.getSequenceAt(i);
+        SequenceI seq = viewport.getAlignment().getSequenceAt(i);
 
         if (!sg.getSequences(null).contains(seq))
         {
           continue;
         }
 
-        SequenceI temp = viewport.alignment.getSequenceAt(i - 1);
+        SequenceI temp = viewport.getAlignment().getSequenceAt(i - 1);
 
         if (sg.getSequences(null).contains(temp))
         {
           continue;
         }
 
-        viewport.alignment.getSequences().setElementAt(temp, i);
-        viewport.alignment.getSequences().setElementAt(seq, i - 1);
+        viewport.getAlignment().getSequences().setElementAt(temp, i);
+        viewport.getAlignment().getSequences().setElementAt(seq, i - 1);
       }
     }
     else
     {
-      for (int i = viewport.alignment.getHeight() - 2; i > -1; i--)
+      for (int i = viewport.getAlignment().getHeight() - 2; i > -1; i--)
       {
-        SequenceI seq = viewport.alignment.getSequenceAt(i);
+        SequenceI seq = viewport.getAlignment().getSequenceAt(i);
 
         if (!sg.getSequences(null).contains(seq))
         {
           continue;
         }
 
-        SequenceI temp = viewport.alignment.getSequenceAt(i + 1);
+        SequenceI temp = viewport.getAlignment().getSequenceAt(i + 1);
 
         if (sg.getSequences(null).contains(temp))
         {
           continue;
         }
 
-        viewport.alignment.getSequences().setElementAt(temp, i);
-        viewport.alignment.getSequences().setElementAt(seq, i + 1);
+        viewport.getAlignment().getSequences().setElementAt(temp, i);
+        viewport.getAlignment().getSequences().setElementAt(seq, i + 1);
       }
     }
 
@@ -1443,15 +1550,15 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     Vector sg = new Vector();
     if (viewport.cursorMode)
     {
-      sg.addElement(viewport.alignment
+      sg.addElement(viewport.getAlignment()
               .getSequenceAt(alignPanel.seqPanel.seqCanvas.cursorY));
     }
     else if (viewport.getSelectionGroup() != null
-            && viewport.getSelectionGroup().getSize() != viewport.alignment
+            && viewport.getSelectionGroup().getSize() != viewport.getAlignment()
                     .getHeight())
     {
       sg = viewport.getSelectionGroup().getSequences(
-              viewport.hiddenRepSequences);
+              viewport.getHiddenRepSequences());
     }
 
     if (sg.size() < 1)
@@ -1461,10 +1568,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     Vector invertGroup = new Vector();
 
-    for (int i = 0; i < viewport.alignment.getHeight(); i++)
+    for (int i = 0; i < viewport.getAlignment().getHeight(); i++)
     {
-      if (!sg.contains(viewport.alignment.getSequenceAt(i)))
-        invertGroup.add(viewport.alignment.getSequenceAt(i));
+      if (!sg.contains(viewport.getAlignment().getSequenceAt(i)))
+        invertGroup.add(viewport.getAlignment().getSequenceAt(i));
     }
 
     SequenceI[] seqs1 = new SequenceI[sg.size()];
@@ -1540,7 +1647,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     SequenceI[] seqs = viewport.getSelectionAsNewSequence();
     String[] omitHidden = null;
 
-    if (viewport.hasHiddenColumns)
+    if (viewport.hasHiddenColumns())
     {
       omitHidden = viewport.getViewAsString(true);
     }
@@ -1555,11 +1662,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       jalview.gui.Desktop.internalCopy = true;
       // Its really worth setting the clipboard contents
       // to empty before setting the large StringSelection!!
-      Toolkit.getDefaultToolkit().getSystemClipboard().setContents(
-              new StringSelection(""), null);
+      Toolkit.getDefaultToolkit().getSystemClipboard()
+              .setContents(new StringSelection(""), null);
 
-      Toolkit.getDefaultToolkit().getSystemClipboard().setContents(ss,
-              Desktop.instance);
+      Toolkit.getDefaultToolkit().getSystemClipboard()
+              .setContents(ss, Desktop.instance);
     } catch (OutOfMemoryError er)
     {
       new OOMWarning("copying region", er);
@@ -1567,23 +1674,26 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
 
     Vector hiddenColumns = null;
-    if (viewport.hasHiddenColumns)
+    if (viewport.hasHiddenColumns())
     {
       hiddenColumns = new Vector();
-      int hiddenOffset = viewport.getSelectionGroup().getStartRes();
+      int hiddenOffset = viewport.getSelectionGroup().getStartRes(), hiddenCutoff = viewport
+              .getSelectionGroup().getEndRes();
       for (int i = 0; i < viewport.getColumnSelection().getHiddenColumns()
               .size(); i++)
       {
         int[] region = (int[]) viewport.getColumnSelection()
                 .getHiddenColumns().elementAt(i);
-
-        hiddenColumns.addElement(new int[]
-        { region[0] - hiddenOffset, region[1] - hiddenOffset });
+        if (region[0] >= hiddenOffset && region[1] <= hiddenCutoff)
+        {
+          hiddenColumns.addElement(new int[]
+          { region[0] - hiddenOffset, region[1] - hiddenOffset });
+        }
       }
     }
 
     Desktop.jalviewClipboard = new Object[]
-    { seqs, viewport.alignment.getDataset(), hiddenColumns };
+    { seqs, viewport.getAlignment().getDataset(), hiddenColumns };
     statusBar.setText("Copied " + seqs.length + " sequences to clipboard.");
   }
 
@@ -1819,8 +1929,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           }
           buildSortByAnnotationScoresMenu();
         }
-        viewport.firePropertyChange("alignment", null, alignment
-                .getSequences());
+        viewport.firePropertyChange("alignment", null,
+                alignment.getSequences());
 
       }
       else
@@ -1914,7 +2024,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
 
     // If the cut affects all sequences, remove highlighted columns
-    if (sg.getSize() == viewport.alignment.getHeight())
+    if (sg.getSize() == viewport.getAlignment().getHeight())
     {
       viewport.getColumnSelection().removeElements(sg.getStartRes(),
               sg.getEndRes() + 1);
@@ -1931,11 +2041,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
      */
     addHistoryItem(new EditCommand("Cut Sequences", EditCommand.CUT, cut,
             sg.getStartRes(), sg.getEndRes() - sg.getStartRes() + 1,
-            viewport.alignment));
+            viewport.getAlignment()));
 
     viewport.setSelectionGroup(null);
     viewport.sendSelection();
-    viewport.alignment.deleteGroup(sg);
+    viewport.getAlignment().deleteGroup(sg);
 
     viewport.firePropertyChange("alignment", null, viewport.getAlignment()
             .getSequences());
@@ -1958,7 +2068,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    */
   protected void deleteGroups_actionPerformed(ActionEvent e)
   {
-    viewport.alignment.deleteAllGroups();
+    viewport.getAlignment().deleteAllGroups();
     viewport.sequenceColours = null;
     viewport.setSelectionGroup(null);
     PaintRefresher.Refresh(this, viewport.getSequenceSetId());
@@ -1981,7 +2091,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       sg.addSequence(viewport.getAlignment().getSequenceAt(i), false);
     }
 
-    sg.setEndRes(viewport.alignment.getWidth() - 1);
+    sg.setEndRes(viewport.getAlignment().getWidth() - 1);
     viewport.setSelectionGroup(sg);
     viewport.sendSelection();
     alignPanel.paintAlignment(true);
@@ -2008,6 +2118,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     alignPanel.idPanel.idCanvas.searchResults = null;
     alignPanel.paintAlignment(true);
     PaintRefresher.Refresh(alignPanel, viewport.getSequenceSetId());
+    viewport.sendSelection();
   }
 
   /**
@@ -2033,14 +2144,15 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
 
     alignPanel.paintAlignment(true);
-    viewport.sendSelection();
     PaintRefresher.Refresh(alignPanel, viewport.getSequenceSetId());
+    viewport.sendSelection();
   }
 
   public void invertColSel_actionPerformed(ActionEvent e)
   {
     viewport.invertColumnSelection();
     alignPanel.paintAlignment(true);
+    viewport.sendSelection();
   }
 
   /**
@@ -2085,11 +2197,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       if (viewport.getSelectionGroup() != null)
       {
         seqs = viewport.getSelectionGroup().getSequencesAsArray(
-                viewport.hiddenRepSequences);
+                viewport.getHiddenRepSequences());
       }
       else
       {
-        seqs = viewport.alignment.getSequencesArray();
+        seqs = viewport.getAlignment().getSequencesArray();
       }
 
       TrimRegionCommand trimRegion;
@@ -2097,23 +2209,23 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       {
         trimRegion = new TrimRegionCommand("Remove Left",
                 TrimRegionCommand.TRIM_LEFT, seqs, column,
-                viewport.alignment, viewport.colSel,
-                viewport.selectionGroup);
+                viewport.getAlignment(), viewport.getColumnSelection(),
+                viewport.getSelectionGroup());
         viewport.setStartRes(0);
       }
       else
       {
         trimRegion = new TrimRegionCommand("Remove Right",
                 TrimRegionCommand.TRIM_RIGHT, seqs, column,
-                viewport.alignment, viewport.colSel,
-                viewport.selectionGroup);
+                viewport.getAlignment(), viewport.getColumnSelection(),
+                viewport.getSelectionGroup());
       }
 
       statusBar.setText("Removed " + trimRegion.getSize() + " columns.");
 
       addHistoryItem(trimRegion);
 
-      Vector groups = viewport.alignment.getGroups();
+      Vector groups = viewport.getAlignment().getGroups();
 
       for (int i = 0; i < groups.size(); i++)
       {
@@ -2122,7 +2234,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         if ((trimLeft && !sg.adjustForRemoveLeft(column))
                 || (!trimLeft && !sg.adjustForRemoveRight(column)))
         {
-          viewport.alignment.deleteGroup(sg);
+          viewport.getAlignment().deleteGroup(sg);
         }
       }
 
@@ -2139,23 +2251,23 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    */
   public void removeGappedColumnMenuItem_actionPerformed(ActionEvent e)
   {
-    int start = 0, end = viewport.alignment.getWidth() - 1;
+    int start = 0, end = viewport.getAlignment().getWidth() - 1;
 
     SequenceI[] seqs;
     if (viewport.getSelectionGroup() != null)
     {
       seqs = viewport.getSelectionGroup().getSequencesAsArray(
-              viewport.hiddenRepSequences);
+              viewport.getHiddenRepSequences());
       start = viewport.getSelectionGroup().getStartRes();
       end = viewport.getSelectionGroup().getEndRes();
     }
     else
     {
-      seqs = viewport.alignment.getSequencesArray();
+      seqs = viewport.getAlignment().getSequencesArray();
     }
 
     RemoveGapColCommand removeGapCols = new RemoveGapColCommand(
-            "Remove Gapped Columns", seqs, start, end, viewport.alignment);
+            "Remove Gapped Columns", seqs, start, end, viewport.getAlignment());
 
     addHistoryItem(removeGapCols);
 
@@ -2164,7 +2276,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     // This is to maintain viewport position on first residue
     // of first sequence
-    SequenceI seq = viewport.alignment.getSequenceAt(0);
+    SequenceI seq = viewport.getAlignment().getSequenceAt(0);
     int startRes = seq.findPosition(viewport.startRes);
     // ShiftList shifts;
     // viewport.getAlignment().removeGaps(shifts=new ShiftList());
@@ -2185,28 +2297,28 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    */
   public void removeAllGapsMenuItem_actionPerformed(ActionEvent e)
   {
-    int start = 0, end = viewport.alignment.getWidth() - 1;
+    int start = 0, end = viewport.getAlignment().getWidth() - 1;
 
     SequenceI[] seqs;
     if (viewport.getSelectionGroup() != null)
     {
       seqs = viewport.getSelectionGroup().getSequencesAsArray(
-              viewport.hiddenRepSequences);
+              viewport.getHiddenRepSequences());
       start = viewport.getSelectionGroup().getStartRes();
       end = viewport.getSelectionGroup().getEndRes();
     }
     else
     {
-      seqs = viewport.alignment.getSequencesArray();
+      seqs = viewport.getAlignment().getSequencesArray();
     }
 
     // This is to maintain viewport position on first residue
     // of first sequence
-    SequenceI seq = viewport.alignment.getSequenceAt(0);
+    SequenceI seq = viewport.getAlignment().getSequenceAt(0);
     int startRes = seq.findPosition(viewport.startRes);
 
     addHistoryItem(new RemoveGapsCommand("Remove Gaps", seqs, start, end,
-            viewport.alignment));
+            viewport.getAlignment()));
 
     viewport.setStartRes(seq.findIndex(startRes) - 1);
 
@@ -2223,7 +2335,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    */
   public void padGapsMenuitem_actionPerformed(ActionEvent e)
   {
-    viewport.padGaps = padGapsMenuitem.isSelected();
+    viewport.setPadGaps(padGapsMenuitem.isSelected());
     viewport.firePropertyChange("alignment", null, viewport.getAlignment()
             .getSequences());
   }
@@ -2251,8 +2363,57 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
   public void newView_actionPerformed(ActionEvent e)
   {
+    newView(true);
+  }
+
+  /**
+   * 
+   * @param copyAnnotation
+   *          if true then duplicate all annnotation, groups and settings
+   * @return new alignment panel, already displayed.
+   */
+  public AlignmentPanel newView(boolean copyAnnotation)
+  {
+    return newView(null, copyAnnotation);
+  }
+
+  /**
+   * 
+   * @param viewTitle
+   *          title of newly created view
+   * @return new alignment panel, already displayed.
+   */
+  public AlignmentPanel newView(String viewTitle)
+  {
+    return newView(viewTitle, true);
+  }
+
+  /**
+   * 
+   * @param viewTitle
+   *          title of newly created view
+   * @param copyAnnotation
+   *          if true then duplicate all annnotation, groups and settings
+   * @return new alignment panel, already displayed.
+   */
+  public AlignmentPanel newView(String viewTitle, boolean copyAnnotation)
+  {
     AlignmentPanel newap = new Jalview2XML().copyAlignPanel(alignPanel,
             true);
+    if (!copyAnnotation)
+    {
+      // just remove all the current annotation except for the automatic stuff
+      newap.av.getAlignment().deleteAllGroups();
+      for (AlignmentAnnotation alan : newap.av.getAlignment()
+              .getAlignmentAnnotation())
+      {
+        if (!alan.autoCalculated)
+        {
+          newap.av.getAlignment().deleteAnnotation(alan);
+        }
+        ;
+      }
+    }
 
     newap.av.gatherViewsHere = false;
 
@@ -2265,8 +2426,19 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     newap.av.redoList = viewport.redoList;
 
     int index = Desktop.getViewCount(viewport.getSequenceSetId());
-    String newViewName = "View " + index;
-
+    // make sure the new view has a unique name - this is essential for Jalview
+    // 2 archives
+    boolean addFirstIndex = false;
+    if (viewTitle == null || viewTitle.trim().length() == 0)
+    {
+      viewTitle = "View";
+      addFirstIndex = true;
+    }
+    else
+    {
+      index = 1;// we count from 1 if given a specific name
+    }
+    String newViewName = viewTitle + ((addFirstIndex) ? " " + index : "");
     Vector comps = (Vector) PaintRefresher.components.get(viewport
             .getSequenceSetId());
     Vector existingNames = new Vector();
@@ -2284,7 +2456,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     while (existingNames.contains(newViewName))
     {
-      newViewName = "View " + (++index);
+      newViewName = viewTitle + " " + (++index);
     }
 
     newap.av.viewName = newViewName;
@@ -2296,6 +2468,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       viewport.gatherViewsHere = true;
     }
     tabbedPane.setSelectedIndex(tabbedPane.getTabCount() - 1);
+    return newap;
   }
 
   public void expandViews_actionPerformed(ActionEvent e)
@@ -2404,6 +2577,116 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     alignPanel.paintAlignment(true);
   }
 
+  /**
+   * called by key handler and the hide all/show all menu items
+   * 
+   * @param toggleSeqs
+   * @param toggleCols
+   */
+  private void toggleHiddenRegions(boolean toggleSeqs, boolean toggleCols)
+  {
+
+    boolean hide = false;
+    SequenceGroup sg = viewport.getSelectionGroup();
+    if (!toggleSeqs && !toggleCols)
+    {
+      // Hide everything by the current selection - this is a hack - we do the
+      // invert and then hide
+      // first check that there will be visible columns after the invert.
+      if ((viewport.getColumnSelection() != null && viewport.getColumnSelection().getSelected() != null && viewport.getColumnSelection()
+              .getSelected().size() > 0)
+              || (sg != null && sg.getSize() > 0 && sg.getStartRes() <= sg
+                      .getEndRes()))
+      {
+        // now invert the sequence set, if required - empty selection implies
+        // that no hiding is required.
+        if (sg != null)
+        {
+          invertSequenceMenuItem_actionPerformed(null);
+          sg = viewport.getSelectionGroup();
+          toggleSeqs = true;
+
+        }
+        viewport.expandColSelection(sg, true);
+        // finally invert the column selection and get the new sequence
+        // selection.
+        invertColSel_actionPerformed(null);
+        toggleCols = true;
+      }
+    }
+
+    if (toggleSeqs)
+    {
+      if (sg != null && sg.getSize() != viewport.getAlignment().getHeight())
+      {
+        hideSelSequences_actionPerformed(null);
+        hide = true;
+      }
+      else if (!(toggleCols && viewport.getColumnSelection().getSelected().size() > 0))
+      {
+        showAllSeqs_actionPerformed(null);
+      }
+    }
+
+    if (toggleCols)
+    {
+      if (viewport.getColumnSelection().getSelected().size() > 0)
+      {
+        hideSelColumns_actionPerformed(null);
+        if (!toggleSeqs)
+        {
+          viewport.setSelectionGroup(sg);
+        }
+      }
+      else if (!hide)
+      {
+        showAllColumns_actionPerformed(null);
+      }
+    }
+  }
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GAlignFrame#hideAllButSelection_actionPerformed(java.awt.
+   * event.ActionEvent)
+   */
+  public void hideAllButSelection_actionPerformed(ActionEvent e)
+  {
+    toggleHiddenRegions(false, false);
+  }
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GAlignFrame#hideAllSelection_actionPerformed(java.awt.event
+   * .ActionEvent)
+   */
+  public void hideAllSelection_actionPerformed(ActionEvent e)
+  {
+    SequenceGroup sg = viewport.getSelectionGroup();
+    viewport.expandColSelection(sg, false);
+    viewport.hideAllSelectedSeqs();
+    viewport.hideSelectedColumns();
+    alignPanel.paintAlignment(true);
+  }
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GAlignFrame#showAllhidden_actionPerformed(java.awt.event.
+   * ActionEvent)
+   */
+  public void showAllhidden_actionPerformed(ActionEvent e)
+  {
+    viewport.showAllHiddenColumns();
+    viewport.showAllHiddenSeqs();
+    alignPanel.paintAlignment(true);
+  }
+
   public void hideSelColumns_actionPerformed(ActionEvent e)
   {
     viewport.hideSelectedColumns();
@@ -2561,58 +2844,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     JEditorPane editPane = new JEditorPane("text/html", "");
     editPane.setEditable(false);
-    StringBuffer contents = new StringBuffer("<html>");
-
-    float avg = 0;
-    int min = Integer.MAX_VALUE, max = 0;
-    for (int i = 0; i < viewport.alignment.getHeight(); i++)
-    {
-      int size = viewport.alignment.getSequenceAt(i).getEnd()
-              - viewport.alignment.getSequenceAt(i).getStart();
-      avg += size;
-      if (size > max)
-        max = size;
-      if (size < min)
-        min = size;
-    }
-    avg = avg / (float) viewport.alignment.getHeight();
-
-    contents.append("<br>Sequences: " + viewport.alignment.getHeight());
-    contents.append("<br>Minimum Sequence Length: " + min);
-    contents.append("<br>Maximum Sequence Length: " + max);
-    contents.append("<br>Average Length: " + (int) avg);
-
-    if (((Alignment) viewport.alignment).getProperties() != null)
-    {
-      Hashtable props = ((Alignment) viewport.alignment).getProperties();
-      Enumeration en = props.keys();
-      contents.append("<br><br><table border=\"1\">");
-      while (en.hasMoreElements())
-      {
-        String key = en.nextElement().toString();
-        StringBuffer val = new StringBuffer();
-        String vals = props.get(key).toString();
-        int pos = 0, npos;
-        do
-        {
-          npos = vals.indexOf("\n", pos);
-          if (npos == -1)
-          {
-            val.append(vals.substring(pos));
-          }
-          else
-          {
-            val.append(vals.substring(pos, npos));
-            val.append("<br>");
-          }
-          pos = npos + 1;
-        } while (npos != -1);
-        contents
-                .append("<tr><td>" + key + "</td><td>" + val + "</td></tr>");
-      }
-      contents.append("</table>");
-    }
-    editPane.setText(contents.toString() + "</html>");
+    StringBuffer contents = new AlignmentProperties(viewport.getAlignment())
+            .formatAsHtml();
+    editPane.setText("<html>" + contents.toString() + "</html>");
     JInternalFrame frame = new JInternalFrame();
     frame.getContentPane().add(new JScrollPane(editPane));
 
@@ -2636,19 +2870,18 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     JInternalFrame frame = new JInternalFrame();
     OverviewPanel overview = new OverviewPanel(alignPanel);
     frame.setContentPane(overview);
-    Desktop.addInternalFrame(frame, "Overview " + this.getTitle(), frame
-            .getWidth(), frame.getHeight());
+    Desktop.addInternalFrame(frame, "Overview " + this.getTitle(),
+            frame.getWidth(), frame.getHeight());
     frame.pack();
     frame.setLayer(JLayeredPane.PALETTE_LAYER);
-    frame
-            .addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()
-            {
-              public void internalFrameClosed(
-                      javax.swing.event.InternalFrameEvent evt)
-              {
-                alignPanel.setOverviewPanel(null);
-              };
-            });
+    frame.addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()
+    {
+      public void internalFrameClosed(
+              javax.swing.event.InternalFrameEvent evt)
+      {
+        alignPanel.setOverviewPanel(null);
+      };
+    });
 
     alignPanel.setOverviewPanel(overview);
   }
@@ -2678,8 +2911,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   public void clustalColour_actionPerformed(ActionEvent e)
   {
     changeColour(new ClustalxColourScheme(
-            viewport.alignment.getSequences(), viewport.alignment
-                    .getWidth()));
+            viewport.getAlignment().getSequences(),
+            viewport.getAlignment().getWidth()));
   }
 
   /**
@@ -2770,10 +3003,25 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     changeColour(new NucleotideColourScheme());
   }
 
+  public void purinePyrimidineColour_actionPerformed(ActionEvent e)
+  {
+    changeColour(new PurinePyrimidineColourScheme());
+  }
+  /*
+  public void covariationColour_actionPerformed(ActionEvent e)
+  {
+    changeColour(new CovariationColourScheme(viewport.getAlignment().getAlignmentAnnotation()[0]));
+  }
+  */
   public void annotationColour_actionPerformed(ActionEvent e)
   {
     new AnnotationColourChooser(viewport, alignPanel);
   }
+  
+  public void rnahelicesColour_actionPerformed(ActionEvent e)
+  {
+    new RNAHelicesColourChooser(viewport, alignPanel);
+  }
 
   /**
    * DOCUMENT ME!
@@ -2815,13 +3063,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       if (viewport.getConservationSelected())
       {
 
-        Alignment al = (Alignment) viewport.alignment;
+        Alignment al = (Alignment) viewport.getAlignment();
         Conservation c = new Conservation("All",
-                ResidueProperties.propHash, 3, al.getSequences(), 0, al
-                        .getWidth() - 1);
+                ResidueProperties.propHash, 3, al.getSequences(), 0,
+                al.getWidth() - 1);
 
         c.calculate();
-        c.verdict(false, viewport.ConsPercGaps);
+        c.verdict(false, viewport.getConsPercGaps());
 
         cs.setConservation(c);
 
@@ -2833,14 +3081,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         cs.setConservation(null);
       }
 
-      cs.setConsensus(viewport.hconsensus);
+      cs.setConsensus(viewport.getSequenceConsensusHash());
     }
 
     viewport.setGlobalColourScheme(cs);
 
     if (viewport.getColourAppliesToAllGroups())
     {
-      Vector groups = viewport.alignment.getGroups();
+      Vector groups = viewport.getAlignment().getGroups();
 
       for (int i = 0; i < groups.size(); i++)
       {
@@ -2854,8 +3102,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
         if (cs instanceof ClustalxColourScheme)
         {
-          sg.cs = new ClustalxColourScheme(sg
-                  .getSequences(viewport.hiddenRepSequences), sg.getWidth());
+          sg.cs = new ClustalxColourScheme(
+                  sg.getSequences(viewport.getHiddenRepSequences()),
+                  sg.getWidth());
         }
         else if (cs instanceof UserColourScheme)
         {
@@ -2877,9 +3126,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         {
           sg.cs.setThreshold(threshold, viewport.getIgnoreGapsConsensus());
 
-          sg.cs.setConsensus(AAFrequency.calculate(sg
-                  .getSequences(viewport.hiddenRepSequences), sg
-                  .getStartRes(), sg.getEndRes() + 1));
+          sg.cs.setConsensus(AAFrequency.calculate(
+                  sg.getSequences(viewport.getHiddenRepSequences()),
+                  sg.getStartRes(), sg.getEndRes() + 1));
         }
         else
         {
@@ -2889,11 +3138,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         if (viewport.getConservationSelected())
         {
           Conservation c = new Conservation("Group",
-                  ResidueProperties.propHash, 3, sg
-                          .getSequences(viewport.hiddenRepSequences), sg
-                          .getStartRes(), sg.getEndRes() + 1);
+                  ResidueProperties.propHash, 3,
+                  sg.getSequences(viewport.getHiddenRepSequences()),
+                  sg.getStartRes(), sg.getEndRes() + 1);
           c.calculate();
-          c.verdict(false, viewport.ConsPercGaps);
+          c.verdict(false, viewport.getConsPercGaps());
           sg.cs.setConservation(c);
         }
         else
@@ -2920,10 +3169,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   protected void modifyPID_actionPerformed(ActionEvent e)
   {
     if (viewport.getAbovePIDThreshold()
-            && viewport.globalColourScheme != null)
+            && viewport.getGlobalColourScheme() != null)
     {
-      SliderPanel.setPIDSliderSource(alignPanel, viewport
-              .getGlobalColourScheme(), "Background");
+      SliderPanel.setPIDSliderSource(alignPanel,
+              viewport.getGlobalColourScheme(), "Background");
       SliderPanel.showPIDSlider();
     }
   }
@@ -2937,10 +3186,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   protected void modifyConservation_actionPerformed(ActionEvent e)
   {
     if (viewport.getConservationSelected()
-            && viewport.globalColourScheme != null)
+            && viewport.getGlobalColourScheme()!= null)
     {
       SliderPanel.setConservationSlider(alignPanel,
-              viewport.globalColourScheme, "Background");
+              viewport.getGlobalColourScheme(), "Background");
       SliderPanel.showConservationSlider();
     }
   }
@@ -3033,8 +3282,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
             if (evt.isControlDown()
                     || SwingUtilities.isRightMouseButton(evt))
             {
-              radioItem
-                      .removeActionListener(radioItem.getActionListeners()[0]);
+              radioItem.removeActionListener(radioItem.getActionListeners()[0]);
 
               int option = JOptionPane.showInternalConfirmDialog(
                       jalview.gui.Desktop.desktop,
@@ -3108,7 +3356,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     AlignmentSorter.sortByPID(viewport.getAlignment(), viewport
             .getAlignment().getSequenceAt(0), null);
     addHistoryItem(new OrderCommand("Pairwise Sort", oldOrder,
-            viewport.alignment));
+            viewport.getAlignment()));
     alignPanel.paintAlignment(true);
   }
 
@@ -3122,7 +3370,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
     AlignmentSorter.sortByID(viewport.getAlignment());
-    addHistoryItem(new OrderCommand("ID Sort", oldOrder, viewport.alignment));
+    addHistoryItem(new OrderCommand("ID Sort", oldOrder, viewport.getAlignment()));
     alignPanel.paintAlignment(true);
   }
 
@@ -3137,7 +3385,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
     AlignmentSorter.sortByLength(viewport.getAlignment());
     addHistoryItem(new OrderCommand("Length Sort", oldOrder,
-            viewport.alignment));
+            viewport.getAlignment()));
     alignPanel.paintAlignment(true);
   }
 
@@ -3152,7 +3400,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
     AlignmentSorter.sortByGroup(viewport.getAlignment());
     addHistoryItem(new OrderCommand("Group Sort", oldOrder,
-            viewport.alignment));
+            viewport.getAlignment()));
 
     alignPanel.paintAlignment(true);
   }
@@ -3225,7 +3473,16 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               .getAlignment().getSequences());
     }
   }
+  public void sortByTreeOption_actionPerformed(ActionEvent e)
+  {
+    viewport.sortByTree = sortByTree.isSelected();
+  }
 
+  @Override
+  protected void listenToViewSelections_actionPerformed(ActionEvent e)
+  {
+    viewport.followSelection = listenToViewSelections.isSelected();
+  }
   /**
    * DOCUMENT ME!
    * 
@@ -3323,8 +3580,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
     else
     {
-      // are the sequences aligned?
-      if (!viewport.alignment.isAligned())
+      // are the visible sequences aligned?
+      if (!viewport.getAlignment().isAligned(false))
       {
         JOptionPane
                 .showMessageDialog(
@@ -3338,7 +3595,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         return;
       }
 
-      if (viewport.alignment.getHeight() < 2)
+      if (viewport.getAlignment().getHeight() < 2)
       {
         return;
       }
@@ -3382,7 +3639,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         AlignmentSorter.sortBy(viewport.getAlignment(), order);
 
         addHistoryItem(new OrderCommand(order.getName(), oldOrder,
-                viewport.alignment));
+                viewport.getAlignment()));
 
         alignPanel.paintAlignment(true);
       }
@@ -3408,10 +3665,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       public void actionPerformed(ActionEvent e)
       {
         SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
-        AlignmentSorter.sortByAnnotationScore(scoreLabel, viewport
-                .getAlignment());// ,viewport.getSelectionGroup());
+        AlignmentSorter.sortByAnnotationScore(scoreLabel,
+                viewport.getAlignment());// ,viewport.getSelectionGroup());
         addHistoryItem(new OrderCommand("Sort by " + scoreLabel, oldOrder,
-                viewport.alignment));
+                viewport.getAlignment()));
         alignPanel.paintAlignment(true);
       }
     });
@@ -3431,18 +3688,18 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    */
   public void buildSortByAnnotationScoresMenu()
   {
-    if (viewport.alignment.getAlignmentAnnotation() == null)
+    if (viewport.getAlignment().getAlignmentAnnotation() == null)
     {
       return;
     }
 
-    if (viewport.alignment.getAlignmentAnnotation().hashCode() != _annotationScoreVectorHash)
+    if (viewport.getAlignment().getAlignmentAnnotation().hashCode() != _annotationScoreVectorHash)
     {
       sortByAnnotScore.removeAll();
       // almost certainly a quicker way to do this - but we keep it simple
       Hashtable scoreSorts = new Hashtable();
       AlignmentAnnotation aann[];
-      Enumeration sq = viewport.alignment.getSequences().elements();
+      Enumeration sq = viewport.getAlignment().getSequences().elements();
       while (sq.hasMoreElements())
       {
         aann = ((SequenceI) sq.nextElement()).getAnnotation();
@@ -3457,13 +3714,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       Enumeration labels = scoreSorts.keys();
       while (labels.hasMoreElements())
       {
-        addSortByAnnotScoreMenuItem(sortByAnnotScore, (String) labels
-                .nextElement());
+        addSortByAnnotScoreMenuItem(sortByAnnotScore,
+                (String) labels.nextElement());
       }
       sortByAnnotScore.setVisible(scoreSorts.size() > 0);
       scoreSorts.clear();
 
-      _annotationScoreVectorHash = viewport.alignment
+      _annotationScoreVectorHash = viewport.getAlignment()
               .getAlignmentAnnotation().hashCode();
     }
   }
@@ -3508,21 +3765,16 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     for (i = 0; i < treePanels.size(); i++)
     {
-      TreePanel tp = (TreePanel) treePanels.elementAt(i);
+      final TreePanel tp = (TreePanel) treePanels.elementAt(i);
       final JMenuItem item = new JMenuItem(tp.getTitle());
       final NJTree tree = ((TreePanel) treePanels.elementAt(i)).getTree();
       item.addActionListener(new java.awt.event.ActionListener()
       {
         public void actionPerformed(ActionEvent e)
         {
-          SequenceI[] oldOrder = viewport.getAlignment()
-                  .getSequencesArray();
-          AlignmentSorter.sortByTree(viewport.getAlignment(), tree);
-
-          addHistoryItem(new OrderCommand("Tree Sort", oldOrder,
-                  viewport.alignment));
-
-          alignPanel.paintAlignment(true);
+          tp.sortByTree_actionPerformed(null);
+          addHistoryItem(tp.sortAlignmentIn(alignPanel));
+          
         }
       });
 
@@ -3530,6 +3782,19 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
   }
 
+  public boolean sortBy(AlignmentOrder alorder, String undoname)
+  {
+    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
+    AlignmentSorter.sortBy(viewport.getAlignment(), alorder);
+    if (undoname != null)
+    {
+      addHistoryItem(new OrderCommand(undoname, oldOrder,
+              viewport.getAlignment()));
+    }
+    alignPanel.paintAlignment(true);
+    return true;
+  }
+
   /**
    * Work out whether the whole set of sequences or just the selected set will
    * be submitted for multiple alignment.
@@ -3591,13 +3856,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
     // limit sequences - JBPNote in future - could spawn multiple prediction
     // jobs
-    // TODO: viewport.alignment.isAligned is a global state - the local
+    // TODO: viewport.getAlignment().isAligned is a global state - the local
     // selection may well be aligned - we preserve 2.0.8 behaviour for moment.
-    if (!viewport.alignment.isAligned())
+    if (!viewport.getAlignment().isAligned(false))
     {
       seqs.setSequences(new SeqCigar[]
       { seqs.getSequences()[0] });
-      // TODO: if seqs.getSequences().length>1 then should really have warned user!
+      // TODO: if seqs.getSequences().length>1 then should really have warned
+      // user!
 
     }
     return seqs;
@@ -3612,8 +3878,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   protected void LoadtreeMenuItem_actionPerformed(ActionEvent e)
   {
     // Pick the tree file
-    JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache
-            .getProperty("LAST_DIRECTORY"));
+    JalviewFileChooser chooser = new JalviewFileChooser(
+            jalview.bin.Cache.getProperty("LAST_DIRECTORY"));
     chooser.setFileView(new JalviewFileView());
     chooser.setDialogTitle("Select a newick-like tree file");
     chooser.setToolTipText("Load a tree file");
@@ -3637,8 +3903,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       }
       if (fin != null && fin.hasWarningMessage())
       {
-        JOptionPane.showMessageDialog(Desktop.desktop, fin
-                .getWarningMessage(), "Possible problem with tree file",
+        JOptionPane.showMessageDialog(Desktop.desktop,
+                fin.getWarningMessage(), "Possible problem with tree file",
                 JOptionPane.WARNING_MESSAGE);
       }
     }
@@ -3711,108 +3977,201 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     return tp;
   }
 
+  private boolean buildingMenu = false;
+
   /**
    * Generates menu items and listener event actions for web service clients
    * 
    */
   public void BuildWebServiceMenu()
   {
-    // TODO: add support for context dependent disabling of services based on
-    // alignment and current selection
-    // TODO: add additional serviceHandle parameter to specify abstract handler
-    // class independently of AbstractName
-    // TODO: add in rediscovery GUI function to restart discoverer
-    // TODO: group services by location as well as function and/or introduce
-    // object broker mechanism.
-    if ((Discoverer.services != null) && (Discoverer.services.size() > 0))
-    {
-      // TODO: refactor to allow list of AbstractName/Handler bindings to be
-      // stored or retrieved from elsewhere
-      Vector msaws = (Vector) Discoverer.services.get("MsaWS");
-      Vector secstrpr = (Vector) Discoverer.services.get("SecStrPred");
-      Vector seqsrch = (Vector) Discoverer.services.get("SeqSearch");
-      // TODO: move GUI generation code onto service implementation - so a
-      // client instance attaches itself to the GUI with method call like
-      // jalview.ws.MsaWSClient.bind(servicehandle, Desktop.instance,
-      // alignframe)
-      Vector wsmenu = new Vector();
-      final IProgressIndicator af = this;
-      if (msaws != null)
+    while (buildingMenu)
+    {
+      try
       {
-        // Add any Multiple Sequence Alignment Services
-        final JMenu msawsmenu = new JMenu("Alignment");
-        for (int i = 0, j = msaws.size(); i < j; i++)
-        {
-          final ext.vamsas.ServiceHandle sh = (ext.vamsas.ServiceHandle) msaws
-                  .get(i);
-          jalview.ws.WSClient impl = jalview.ws.Discoverer
-                  .getServiceClient(sh);
-          impl.attachWSMenuEntry(msawsmenu, this);
-
-        }
-        wsmenu.add(msawsmenu);
-      }
-      if (secstrpr != null)
+        System.err.println("Waiting for building menu to finish.");
+        Thread.sleep(10);
+      } catch (Exception e)
       {
-        // Add any secondary structure prediction services
-        final JMenu secstrmenu = new JMenu("Secondary Structure Prediction");
-        for (int i = 0, j = secstrpr.size(); i < j; i++)
-        {
-          final ext.vamsas.ServiceHandle sh = (ext.vamsas.ServiceHandle) secstrpr
-                  .get(i);
-          jalview.ws.WSClient impl = jalview.ws.Discoverer
-                  .getServiceClient(sh);
-          impl.attachWSMenuEntry(secstrmenu, this);
-        }
-        wsmenu.add(secstrmenu);
       }
-      if (seqsrch != null)
+      ;
+    }
+    final AlignFrame me = this;
+    buildingMenu = true;
+    new Thread(new Runnable()
+    {
+      public void run()
       {
-        // Add any sequence search services
-        final JMenu seqsrchmenu = new JMenu("Sequence Database Search");
-        for (int i = 0, j = seqsrch.size(); i < j; i++)
+        try
+        {
+          System.err.println("Building ws menu again "
+                  + Thread.currentThread());
+          // TODO: add support for context dependent disabling of services based
+          // on
+          // alignment and current selection
+          // TODO: add additional serviceHandle parameter to specify abstract
+          // handler
+          // class independently of AbstractName
+          // TODO: add in rediscovery GUI function to restart discoverer
+          // TODO: group services by location as well as function and/or
+          // introduce
+          // object broker mechanism.
+          final Vector wsmenu = new Vector();
+          final IProgressIndicator af = me;
+          final JMenu msawsmenu = new JMenu("Alignment");
+          final JMenu secstrmenu = new JMenu(
+                  "Secondary Structure Prediction");
+          final JMenu seqsrchmenu = new JMenu(
+                  "Sequence Database Search");
+          final JMenu analymenu = new JMenu(
+                  "Analysis");
+          // JAL-940 - only show secondary structure prediction services from the legacy server
+          if (// Cache.getDefault("SHOW_JWS1_SERVICES", true)
+                  // && 
+                  Discoverer.services != null
+                  && (Discoverer.services.size() > 0))
+          {
+            // TODO: refactor to allow list of AbstractName/Handler bindings to
+            // be
+            // stored or retrieved from elsewhere
+            Vector msaws = null; // (Vector) Discoverer.services.get("MsaWS");
+            Vector secstrpr = (Vector) Discoverer.services
+                    .get("SecStrPred");
+            Vector seqsrch = null; // (Vector) Discoverer.services.get("SeqSearch");
+            // TODO: move GUI generation code onto service implementation - so a
+            // client instance attaches itself to the GUI with method call like
+            // jalview.ws.MsaWSClient.bind(servicehandle, Desktop.instance,
+            // alignframe)
+            if (msaws != null)
+            {
+              // Add any Multiple Sequence Alignment Services
+              for (int i = 0, j = msaws.size(); i < j; i++)
+              {
+                final ext.vamsas.ServiceHandle sh = (ext.vamsas.ServiceHandle) msaws
+                        .get(i);
+                jalview.ws.WSMenuEntryProviderI impl = jalview.ws.jws1.Discoverer
+                        .getServiceClient(sh);
+                impl.attachWSMenuEntry(msawsmenu, me);
+
+              }
+            }
+            if (secstrpr != null)
+            {
+              // Add any secondary structure prediction services
+              for (int i = 0, j = secstrpr.size(); i < j; i++)
+              {
+                final ext.vamsas.ServiceHandle sh = (ext.vamsas.ServiceHandle) secstrpr
+                        .get(i);
+                jalview.ws.WSMenuEntryProviderI impl = jalview.ws.jws1.Discoverer
+                        .getServiceClient(sh);
+                impl.attachWSMenuEntry(secstrmenu, me);
+              }
+            }
+            if (seqsrch != null)
+            {
+              // Add any sequence search services
+              for (int i = 0, j = seqsrch.size(); i < j; i++)
+              {
+                final ext.vamsas.ServiceHandle sh = (ext.vamsas.ServiceHandle) seqsrch
+                        .elementAt(i);
+                jalview.ws.WSMenuEntryProviderI impl = jalview.ws.jws1.Discoverer
+                        .getServiceClient(sh);
+                impl.attachWSMenuEntry(seqsrchmenu, me);
+              }
+            }
+          }
+
+          // TODO: move into separate menu builder class.
+          if (Cache.getDefault("SHOW_JWS2_SERVICES", true))
+          {
+            Jws2Discoverer jws2servs = Jws2Discoverer.getDiscoverer();
+            if (jws2servs != null)
+            {
+              if (jws2servs.hasServices())
+              {
+                jws2servs.attachWSMenuEntry(msawsmenu, me);
+              }
+            }
+          }
+          // Add all submenus in the order they should appear on the web services menu
+          wsmenu.add(msawsmenu);
+          wsmenu.add(secstrmenu);
+          wsmenu.add(analymenu);
+          // No search services yet
+          // wsmenu.add(seqsrchmenu);
+
+          javax.swing.SwingUtilities.invokeLater(new Runnable()
+          {
+            public void run()
+            {
+              try
+              {
+                webService.removeAll();
+                // first, add discovered services onto the webservices menu
+                if (wsmenu.size() > 0)
+                {
+                  for (int i = 0, j = wsmenu.size(); i < j; i++)
+                  {
+                    webService.add((JMenu) wsmenu.get(i));
+                  }
+                }
+                else
+                {
+                  webService.add(me.webServiceNoServices);
+                }
+                build_urlServiceMenu(me.webService);
+                build_fetchdbmenu(webService);
+              } catch (Exception e)
+              {
+              }
+              ;
+            }
+          });
+        } catch (Exception e)
         {
-          final ext.vamsas.ServiceHandle sh = (ext.vamsas.ServiceHandle) seqsrch
-                  .elementAt(i);
-          jalview.ws.WSClient impl = jalview.ws.Discoverer
-                  .getServiceClient(sh);
-          impl.attachWSMenuEntry(seqsrchmenu, this);
         }
-        wsmenu.add(seqsrchmenu);
-      }
-      // finally, add the whole shebang onto the webservices menu
-      resetWebServiceMenu();
-      for (int i = 0, j = wsmenu.size(); i < j; i++)
-      {
-        webService.add((JMenu) wsmenu.get(i));
+        ;
+
+        buildingMenu = false;
       }
-    }
-    else
-    {
-      resetWebServiceMenu();
-      this.webService.add(this.webServiceNoServices);
-    }
-  }
+    }).start();
 
-  /**
-   * empty the web service menu and add any ad-hoc functions not dynamically
-   * discovered.
-   * 
-   */
-  private void resetWebServiceMenu()
-  {
-    webService.removeAll();
-    build_fetchdbmenu(webService);
-    build_urlServiceMenu(webService);
   }
 
+
   /**
    * construct any groupURL type service menu entries.
+   * 
    * @param webService
    */
   private void build_urlServiceMenu(JMenu webService)
   {
-    jalview.ws.EnfinEnvision2OneWay.getInstance().attachWSMenuEntry(webService, this);
+    // TODO: remove this code when 2.7 is released
+    // DEBUG - alignmentView
+    /*
+     * JMenuItem testAlView = new JMenuItem("Test AlignmentView"); final
+     * AlignFrame af = this; testAlView.addActionListener(new ActionListener() {
+     * 
+     * @Override public void actionPerformed(ActionEvent e) {
+     * jalview.datamodel.AlignmentView.testSelectionViews(af.viewport.getAlignment(),
+     * af.viewport.getColumnSelection(), af.viewport.selectionGroup); }
+     * 
+     * }); webService.add(testAlView);
+     */
+    // TODO: refactor to RestClient discoverer and merge menu entries for
+    // rest-style services with other types of analysis/calculation service
+    // SHmmr test client - still being implemented.
+    // DEBUG - alignmentView
+    
+    for (jalview.ws.rest.RestClient client: jalview.ws.rest.RestClient.getRestClients()) {
+      client.attachWSMenuEntry(JvSwingUtils.findOrCreateMenu(webService, client.getAction()), this);
+    }
+
+    if (Cache.getDefault("SHOW_ENFIN_SERVICES", true))
+    {
+      jalview.ws.EnfinEnvision2OneWay.getInstance().attachWSMenuEntry(
+              webService, this);
+    }
   }
 
   /*
@@ -3897,8 +4256,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     } catch (Exception e)
     {
       jalview.bin.Cache.log
-              .warn(
-                      "canTranslate threw an exception - please report to help@jalview.org",
+              .warn("canTranslate threw an exception - please report to help@jalview.org",
                       e);
       return false;
     }
@@ -3922,7 +4280,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         ths.setProgressBar("Searching for sequences from " + fsrc, sttime);
         try
         {
-          Alignment ds = ths.getViewport().alignment.getDataset(); // update
+          Alignment ds = ths.getViewport().getAlignment().getDataset(); // update
           // our local
           // dataset
           // reference
@@ -3988,13 +4346,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     // old way
     try
     {
-      return (jalview.analysis.Dna.canTranslate(selection, viewport
-              .getViewAsVisibleContigs(true)));
+      return (jalview.analysis.Dna.canTranslate(selection,
+              viewport.getViewAsVisibleContigs(true)));
     } catch (Exception e)
     {
       jalview.bin.Cache.log
-              .warn(
-                      "canTranslate threw an exception - please report to help@jalview.org",
+              .warn("canTranslate threw an exception - please report to help@jalview.org",
                       e);
       return false;
     }
@@ -4045,8 +4402,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     {
       al = jalview.analysis.Dna.CdnaTranslate(selection, seqstring,
               viewport.getViewAsVisibleContigs(true), viewport
-                      .getGapCharacter(), viewport.alignment
-                      .getAlignmentAnnotation(), viewport.alignment
+                      .getGapCharacter(), viewport.getAlignment()
+                      .getAlignmentAnnotation(), viewport.getAlignment()
                       .getWidth(), viewport.getAlignment().getDataset());
     } catch (Exception ex)
     {
@@ -4083,9 +4440,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     boolean featuresFile = false;
     try
     {
-      featuresFile = new FeaturesFile(file, type).parse(viewport.alignment
-              .getDataset(), alignPanel.seqPanel.seqCanvas
-              .getFeatureRenderer().featureColours, false);
+      featuresFile = new FeaturesFile(file, type)
+              .parse(viewport.getAlignment().getDataset(),
+                      alignPanel.seqPanel.seqCanvas.getFeatureRenderer().featureColours,
+                      false, jalview.bin.Cache.getDefault(
+                              "RELAXEDSEQIDMATCHING", false));
     } catch (Exception ex)
     {
       ex.printStackTrace();
@@ -4100,6 +4459,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         // update the min/max ranges where necessary
         alignPanel.seqPanel.seqCanvas.fr.findAllFeatures(true);
       }
+      if (featureSettings != null)
+      {
+        featureSettings.setTableData();
+      }
       alignPanel.paintAlignment(true);
     }
 
@@ -4176,10 +4539,127 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     {
       try
       {
-
+        // check to see if any of these files have names matching sequences in
+        // the alignment
+        SequenceIdMatcher idm = new SequenceIdMatcher(viewport
+                .getAlignment().getSequencesArray());
+        /**
+         * Object[] { String,SequenceI}
+         */
+        ArrayList<Object[]> filesmatched = new ArrayList<Object[]>();
+        ArrayList<String> filesnotmatched = new ArrayList<String>();
         for (int i = 0; i < files.size(); i++)
         {
-          loadJalviewDataFile(files.get(i).toString());
+          String file = files.get(i).toString();
+          String pdbfn = "";
+          String protocol = FormatAdapter.checkProtocol(file);
+          if (protocol == jalview.io.FormatAdapter.FILE)
+          {
+            File fl = new File(file);
+            pdbfn = fl.getName();
+          }
+          else if (protocol == jalview.io.FormatAdapter.URL)
+          {
+            URL url = new URL(file);
+            pdbfn = url.getFile();
+          }
+          if (pdbfn.length() > 0)
+          {
+            // attempt to find a match in the alignment
+            SequenceI[] mtch = idm.findAllIdMatches(pdbfn);
+            int l = 0, c = pdbfn.indexOf(".");
+            while (mtch == null && c != -1)
+            {
+              do 
+              {
+                l = c;
+              } while ((c = pdbfn.indexOf(".", l)) > l);
+              if (l > -1)
+              {
+                pdbfn = pdbfn.substring(0, l);
+              }
+              mtch = idm.findAllIdMatches(pdbfn);
+            }
+            if (mtch != null)
+            {
+              String type = null;
+              try
+              {
+                type = new IdentifyFile().Identify(file, protocol);
+              } catch (Exception ex)
+              {
+                type = null;
+              }
+              if (type != null)
+              {
+                if (type.equalsIgnoreCase("PDB"))
+                {
+                  filesmatched.add(new Object[]
+                  { file, protocol, mtch });
+                  continue;
+                }
+              }
+            }
+            // File wasn't named like one of the sequences or wasn't a PDB file.
+            filesnotmatched.add(file);
+          }
+        }
+        int assocfiles = 0;
+        if (filesmatched.size() > 0)
+        {
+          if (Cache.getDefault("AUTOASSOCIATE_PDBANDSEQS", false)
+                  || JOptionPane
+                          .showConfirmDialog(
+                                  this,
+                                  "Do you want to automatically associate the "
+                                          + filesmatched.size()
+                                          + " PDB files with sequences in the alignment that have the same name ?",
+                                  "Automatically Associate PDB files by name",
+                                  JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION)
+
+          {
+            for (Object[] fm : filesmatched)
+            {
+              // try and associate
+              // TODO: may want to set a standard ID naming formalism for
+              // associating PDB files which have no IDs.
+              for (SequenceI toassoc: (SequenceI[])fm[2]) {
+              PDBEntry pe = new AssociatePdbFileWithSeq()
+                      .associatePdbWithSeq((String) fm[0], (String) fm[1],
+                              toassoc, false);
+              if (pe != null)
+              {
+                System.err
+                        .println("Associated file : " + ((String) fm[0])
+                                + " with "
+                                + toassoc.getDisplayId(true));
+                assocfiles++;
+              }
+              }
+              alignPanel.paintAlignment(true);
+            }
+          }
+        }
+        if (filesnotmatched.size() > 0)
+        {
+          if (assocfiles > 0
+                  && (Cache.getDefault(
+                          "AUTOASSOCIATE_PDBANDSEQS_IGNOREOTHERS", false) || JOptionPane
+                          .showConfirmDialog(
+                                  this,
+                                  "<html>Do you want to <em>ignore</em> the "
+                                          + filesnotmatched.size()
+                                          + " files whose names did not match any sequence IDs ?</html>",
+                                  "Ignore unmatched dropped files ?",
+                                  JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION))
+          {
+            return;
+          }
+          for (String fn : filesnotmatched)
+          {
+            loadJalviewDataFile(fn, null, null, null);
+          }
+
         }
       } catch (Exception ex)
       {
@@ -4197,36 +4677,62 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * @param file
    *          either a filename or a URL string.
    */
-  public void loadJalviewDataFile(String file)
+  public void loadJalviewDataFile(String file, String protocol,
+          String format, SequenceI assocSeq)
   {
     try
     {
-      String protocol = jalview.io.FormatAdapter.FILE;
-      String f = file.toLowerCase();
-      if (f.indexOf("http:") == 0 || f.indexOf("https:") == 0
-              || f.indexOf("file:") == 0)
+      if (protocol == null)
       {
-        protocol = jalview.io.FormatAdapter.URL;
+        protocol = jalview.io.FormatAdapter.checkProtocol(file);
       }
-
-      boolean isAnnotation = new AnnotationFile().readAnnotationFile(
-              viewport.alignment, file, protocol);
+      // if the file isn't identified, or not positively identified as some
+      // other filetype (PFAM is default unidentified alignment file type) then
+      // try to parse as annotation.
+      boolean isAnnotation = (format == null || format
+              .equalsIgnoreCase("PFAM")) ? new AnnotationFile()
+              .readAnnotationFile(viewport.getAlignment(), file, protocol)
+              : false;
 
       if (!isAnnotation)
       {
         // try to see if its a JNet 'concise' style annotation file *before* we
         // try to parse it as a features file
-        String format = new IdentifyFile().Identify(file, protocol);
+        if (format == null)
+        {
+          format = new IdentifyFile().Identify(file, protocol);
+        }
         if (format.equalsIgnoreCase("JnetFile"))
         {
           jalview.io.JPredFile predictions = new jalview.io.JPredFile(file,
                   protocol);
-          new JnetAnnotationMaker().add_annotation(predictions, viewport
-                  .getAlignment(), 0, false);
+          new JnetAnnotationMaker().add_annotation(predictions,
+                  viewport.getAlignment(), 0, false);
           isAnnotation = true;
         }
         else
         {
+          /*
+           * if (format.equalsIgnoreCase("PDB")) {
+           * 
+           * String pdbfn = ""; // try to match up filename with sequence id try
+           * { if (protocol == jalview.io.FormatAdapter.FILE) { File fl = new
+           * File(file); pdbfn = fl.getName(); } else if (protocol ==
+           * jalview.io.FormatAdapter.URL) { URL url = new URL(file); pdbfn =
+           * url.getFile(); } } catch (Exception e) { } ; if (assocSeq == null)
+           * { SequenceIdMatcher idm = new SequenceIdMatcher(viewport
+           * .getAlignment().getSequencesArray()); if (pdbfn.length() > 0) { //
+           * attempt to find a match in the alignment SequenceI mtch =
+           * idm.findIdMatch(pdbfn); int l = 0, c = pdbfn.indexOf("."); while
+           * (mtch == null && c != -1) { while ((c = pdbfn.indexOf(".", l)) > l)
+           * { l = c; } if (l > -1) { pdbfn = pdbfn.substring(0, l); } mtch =
+           * idm.findIdMatch(pdbfn); } if (mtch != null) { // try and associate
+           * // prompt ? PDBEntry pe = new AssociatePdbFileWithSeq()
+           * .associatePdbWithSeq(file, protocol, mtch, true); if (pe != null) {
+           * System.err.println("Associated file : " + file + " with " +
+           * mtch.getDisplayId(true)); alignPanel.paintAlignment(true); } } //
+           * TODO: maybe need to load as normal otherwise return; } }
+           */
           // try to parse it as a features file
           boolean isGroupsFile = parseFeaturesFile(file, protocol);
           // if it wasn't a features file then we just treat it as a general
@@ -4292,7 +4798,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   protected void extractScores_actionPerformed(ActionEvent e)
   {
     ParseProperties pp = new jalview.analysis.ParseProperties(
-            viewport.alignment);
+            viewport.getAlignment());
     // TODO: verify regex and introduce GUI dialog for version 2.5
     // if (pp.getScoresFromDescription("col", "score column ",
     // "\\W*([-+]?\\d*\\.?\\d*e?-?\\d*)\\W+([-+]?\\d*\\.?\\d*e?-?\\d*)",
@@ -4362,14 +4868,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     // TODO We probably want to store a sequence database checklist in
     // preferences and have checkboxes.. rather than individual sources selected
     // here
-    JMenu rfetch = new JMenu("Fetch DB References");
-    rfetch
-            .setToolTipText("Retrieve and parse sequence database records for the alignment or the currently selected sequences");
+    final JMenu rfetch = new JMenu("Fetch DB References");
+    rfetch.setToolTipText("Retrieve and parse sequence database records for the alignment or the currently selected sequences");
     webService.add(rfetch);
 
     JMenuItem fetchr = new JMenuItem("Standard Databases");
-    fetchr
-            .setToolTipText("Fetch from EMBL/EMBLCDS or Uniprot/PDB and any selected DAS sources");
+    fetchr.setToolTipText("Fetch from EMBL/EMBLCDS or Uniprot/PDB and any selected DAS sources");
     fetchr.addActionListener(new ActionListener()
     {
 
@@ -4390,57 +4894,74 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     });
     rfetch.add(fetchr);
-    JMenu dfetch = new JMenu();
-    rfetch.add(dfetch);
-    jalview.ws.SequenceFetcher sf = SequenceFetcher
-            .getSequenceFetcherSingleton(this);
-    String[] otherdb = sf.getOrderedSupportedSources();
-    // sf.getDbInstances(jalview.ws.dbsources.DasSequenceSource.class);
-    // jalview.util.QuickSort.sort(otherdb, otherdb);
-    int comp = 0, mcomp = 15;
-    String mname = null;
-    if (otherdb != null && otherdb.length > 0)
-    {
-      for (int i = 0; i < otherdb.length; i++)
+    final AlignFrame me = this;
+    new Thread(new Runnable()
+    {
+      public void run()
       {
-        String dbname = sf.getSourceProxy(otherdb[i]).getDbName();
-        if (mname == null)
-        {
-          mname = "from '" + dbname + "'";
-        }
-        fetchr = new JMenuItem(otherdb[i]);
-        final String[] dassource = new String[]
-        { otherdb[i] };
-        fetchr.addActionListener(new ActionListener()
+        final jalview.ws.SequenceFetcher sf = SequenceFetcher
+                .getSequenceFetcherSingleton(me);
+        final String[] otherdb = sf.getOrderedSupportedSources();
+        // sf.getDbInstances(jalview.ws.dbsources.DasSequenceSource.class);
+        // jalview.util.QuickSort.sort(otherdb, otherdb);
+        javax.swing.SwingUtilities.invokeLater(new Runnable()
         {
-
-          public void actionPerformed(ActionEvent e)
+          public void run()
           {
-            new Thread(new Runnable()
-            {
 
-              public void run()
+            JMenu dfetch = new JMenu();
+            JMenuItem fetchr;
+            rfetch.add(dfetch);
+            int comp = 0, mcomp = 15;
+            String mname = null;
+            if (otherdb != null && otherdb.length > 0)
+            {
+              for (int i = 0; i < otherdb.length; i++)
               {
-                new jalview.ws.DBRefFetcher(alignPanel.av
-                        .getSequenceSelection(), alignPanel.alignFrame,
-                        dassource).fetchDBRefs(false);
+                String dbname = sf.getSourceProxy(otherdb[i]).getDbName();
+                if (mname == null)
+                {
+                  mname = "from '" + dbname + "'";
+                }
+                fetchr = new JMenuItem(otherdb[i]);
+                final String[] dassource = new String[]
+                { otherdb[i] };
+                fetchr.addActionListener(new ActionListener()
+                {
+
+                  public void actionPerformed(ActionEvent e)
+                  {
+                    new Thread(new Runnable()
+                    {
+
+                      public void run()
+                      {
+                        new jalview.ws.DBRefFetcher(alignPanel.av
+                                .getSequenceSelection(),
+                                alignPanel.alignFrame, dassource)
+                                .fetchDBRefs(false);
+                      }
+                    }).start();
+                  }
+
+                });
+                fetchr.setToolTipText("Retrieve from " + dbname);
+                dfetch.add(fetchr);
+                if (comp++ == mcomp || i == (otherdb.length - 1))
+                {
+                  dfetch.setText(mname + " to '" + dbname + "'");
+                  rfetch.add(dfetch);
+                  dfetch = new JMenu();
+                  mname = null;
+                  comp = 0;
+                }
               }
-            }).start();
+            }
           }
-
         });
-        fetchr.setToolTipText("Retrieve from " + dbname);
-        dfetch.add(fetchr);
-        if (comp++ == mcomp || i == (otherdb.length - 1))
-        {
-          dfetch.setText(mname + " to '" + dbname + "'");
-          rfetch.add(dfetch);
-          dfetch = new JMenu();
-          mname = null;
-          comp = 0;
-        }
       }
-    }
+    }).start();
+
   }
 
   /**
@@ -4478,7 +4999,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    */
   protected void showUnconservedMenuItem_actionPerformed(ActionEvent e)
   {
-    viewport.setShowUnconserved(showUnconservedMenuItem.getState());
+    viewport.setShowUnconserved(showNonconservedMenuItem.getState());
     alignPanel.paintAlignment(true);
   }
 
@@ -4509,8 +5030,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     alignPanel.updateAnnotation(applyAutoAnnotationSettings.getState());
   }
 
-  /* (non-Javadoc)
-   * @see jalview.jbgui.GAlignFrame#showConsensusHistogram_actionPerformed(java.awt.event.ActionEvent)
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GAlignFrame#showConsensusHistogram_actionPerformed(java.awt
+   * .event.ActionEvent)
    */
   protected void showConsensusHistogram_actionPerformed(ActionEvent e)
   {
@@ -4518,14 +5043,23 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     alignPanel.updateAnnotation(applyAutoAnnotationSettings.getState());
   }
 
-  /* (non-Javadoc)
-   * @see jalview.jbgui.GAlignFrame#showConsensusProfile_actionPerformed(java.awt.event.ActionEvent)
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GAlignFrame#showConsensusProfile_actionPerformed(java.awt
+   * .event.ActionEvent)
    */
   protected void showSequenceLogo_actionPerformed(ActionEvent e)
   {
     viewport.setShowSequenceLogo(showSequenceLogo.getState());
     alignPanel.updateAnnotation(applyAutoAnnotationSettings.getState());
   }
+  protected void normaliseSequenceLogo_actionPerformed(ActionEvent e)
+  {
+    viewport.setNormaliseSequenceLogo(normaliseSequenceLogo.getState());
+    alignPanel.updateAnnotation(applyAutoAnnotationSettings.getState());
+  }
   protected void applyAutoAnnotationSettings_actionPerformed(ActionEvent e)
   {
     alignPanel.updateAnnotation(applyAutoAnnotationSettings.getState());
@@ -4543,20 +5077,21 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     if (viewport.getSelectionGroup() != null)
     {
       SequenceGroup[] gps = jalview.analysis.Grouping.makeGroupsFrom(
-              viewport.getSequenceSelection(), viewport.getAlignmentView(
-                      true).getSequenceStrings(viewport.getGapCharacter()),
-              viewport.alignment.getGroups());
-      viewport.alignment.deleteAllGroups();
+              viewport.getSequenceSelection(),
+              viewport.getAlignmentView(true).getSequenceStrings(
+                      viewport.getGapCharacter()),
+              viewport.getAlignment().getGroups());
+      viewport.getAlignment().deleteAllGroups();
       viewport.sequenceColours = null;
       viewport.setSelectionGroup(null);
       // set view properties for each group
       for (int g = 0; g < gps.length; g++)
       {
-        gps[g].setShowunconserved(viewport.getShowUnconserved());
-        gps[g].setIncludeAllConsSymbols(viewport.isIncludeAllConsensusSymbols());
-        viewport.alignment.addGroup(gps[g]);
-        Color col = new Color((int) (Math.random() * 255), (int) (Math
-                .random() * 255), (int) (Math.random() * 255));
+        gps[g].setShowNonconserved(viewport.getShowUnconserved());
+        gps[g].setshowSequenceLogo(viewport.isShowSequenceLogo());
+        viewport.getAlignment().addGroup(gps[g]);
+        Color col = new Color((int) (Math.random() * 255),
+                (int) (Math.random() * 255), (int) (Math.random() * 255));
         col = col.brighter();
         for (Enumeration sq = gps[g].getSequences(null).elements(); sq
                 .hasMoreElements(); viewport.setSequenceColour(
@@ -4568,6 +5103,26 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       alignPanel.paintAlignment(true);
     }
   }
+
+  /**
+   * make the given alignmentPanel the currently selected tab
+   * 
+   * @param alignmentPanel
+   */
+  public void setDisplayedView(AlignmentPanel alignmentPanel)
+  {
+    if (!viewport.getSequenceSetId().equals(
+            alignmentPanel.av.getSequenceSetId()))
+    {
+      throw new Error(
+              "Implementation error: cannot show a view from another alignment in an AlignFrame.");
+    }
+    if (tabbedPane != null
+            & alignPanels.indexOf(alignmentPanel) != tabbedPane.getSelectedIndex())
+    {
+      tabbedPane.setSelectedIndex(alignPanels.indexOf(alignmentPanel));
+    }
+  }
 }
 
 class PrintThread extends Thread