Merge develop to Release_2_8_3_Branch
[jalview.git] / src / jalview / gui / AlignFrame.java
index a305479..c7792a5 100644 (file)
@@ -1,36 +1,95 @@
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8.0b1)
- * Copyright (C) 2014 The Jalview Authors
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
  * 
  * This file is part of Jalview.
  * 
  * 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.
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
  *  
  * 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/>.
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
  * The Jalview Authors are detailed in the 'AUTHORS' file.
  */
 package jalview.gui;
 
+import java.awt.BorderLayout;
+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.ItemEvent;
+import java.awt.event.ItemListener;
+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.Arrays;
+import java.util.Deque;
+import java.util.Enumeration;
+import java.util.Hashtable;
+import java.util.List;
+import java.util.Set;
+import java.util.Vector;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBoxMenuItem;
+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;
+
 import jalview.analysis.AAFrequency;
 import jalview.analysis.AlignmentSorter;
+import jalview.analysis.AlignmentUtils;
 import jalview.analysis.Conservation;
 import jalview.analysis.CrossRef;
-import jalview.analysis.NJTree;
+import jalview.analysis.Dna;
 import jalview.analysis.ParseProperties;
 import jalview.analysis.SequenceIdMatcher;
 import jalview.api.AlignViewControllerGuiI;
 import jalview.api.AlignViewControllerI;
+import jalview.api.AlignViewportI;
+import jalview.api.AlignmentViewPanel;
+import jalview.api.SplitContainerI;
+import jalview.api.ViewStyleI;
 import jalview.api.analysis.ScoreModelI;
 import jalview.bin.Cache;
 import jalview.commands.CommandI;
 import jalview.commands.EditCommand;
+import jalview.commands.EditCommand.Action;
 import jalview.commands.OrderCommand;
 import jalview.commands.RemoveGapColCommand;
 import jalview.commands.RemoveGapsCommand;
@@ -48,12 +107,14 @@ import jalview.datamodel.SeqCigar;
 import jalview.datamodel.Sequence;
 import jalview.datamodel.SequenceGroup;
 import jalview.datamodel.SequenceI;
+import jalview.gui.ViewSelectionMenu.ViewSetProvider;
 import jalview.io.AlignmentProperties;
 import jalview.io.AnnotationFile;
+import jalview.io.BioJsHTMLOutput;
 import jalview.io.FeaturesFile;
 import jalview.io.FileLoader;
 import jalview.io.FormatAdapter;
-import jalview.io.HTMLOutput;
+import jalview.io.HtmlSvgOutput;
 import jalview.io.IdentifyFile;
 import jalview.io.JalviewFileChooser;
 import jalview.io.JalviewFileView;
@@ -80,56 +141,12 @@ import jalview.schemes.TurnColourScheme;
 import jalview.schemes.UserColourScheme;
 import jalview.schemes.ZappoColourScheme;
 import jalview.util.MessageManager;
+import jalview.viewmodel.AlignmentViewport;
 import jalview.ws.jws1.Discoverer;
 import jalview.ws.jws2.Jws2Discoverer;
 import jalview.ws.jws2.jabaws2.Jws2Instance;
 import jalview.ws.seqfetcher.DbSourceProxy;
 
-import java.awt.BorderLayout;
-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.List;
-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!
  * 
@@ -140,20 +157,20 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         IProgressIndicator, AlignViewControllerGuiI
 {
 
-  /** DOCUMENT ME!! */
   public static final int DEFAULT_WIDTH = 700;
 
-  /** DOCUMENT ME!! */
   public static final int DEFAULT_HEIGHT = 500;
 
+  /*
+   * The currently displayed panel (selected tabbed view if more than one)
+   */
   public AlignmentPanel alignPanel;
 
   AlignViewport viewport;
+
   public AlignViewControllerI avc;
 
-  Vector alignPanels = new Vector();
+  List<AlignmentPanel> alignPanels = new ArrayList<AlignmentPanel>();
 
   /**
    * Last format used to load or save alignments in this window
@@ -260,21 +277,23 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           int width, int height, String sequenceSetId, String viewId)
   {
     setSize(width, height);
-    viewport = new AlignViewport(al, hiddenColumns, sequenceSetId, viewId);
-
-    alignPanel = new AlignmentPanel(this, viewport);
 
     if (al.getDataset() == null)
     {
       al.setDataset(null);
     }
 
+    viewport = new AlignViewport(al, hiddenColumns, sequenceSetId, viewId);
+
+    alignPanel = new AlignmentPanel(this, viewport);
+
+
     addAlignmentPanel(alignPanel, true);
     init();
   }
 
   /**
-   * Make a new AlignFrame from exisiting alignmentPanels
+   * Make a new AlignFrame from existing alignmentPanels
    * 
    * @param ap
    *          AlignmentPanel
@@ -295,7 +314,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    */
   void init()
   {
-    avc = new jalview.controller.AlignViewController(this, viewport, alignPanel);
+    avc = new jalview.controller.AlignViewController(this, viewport,
+            alignPanel);
     if (viewport.getAlignmentConservationAnnotation() == null)
     {
       BLOSUM62Colour.setEnabled(false);
@@ -328,7 +348,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     setMenusFromViewport(viewport);
     buildSortByAnnotationScoresMenu();
     buildTreeMenu();
-    if (viewport.wrapAlignment)
+    
+    if (viewport.getWrapAlignment())
     {
       wrapMenuItem_actionPerformed(null);
     }
@@ -339,7 +360,60 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
 
     addKeyListener();
-    
+
+    final List<AlignmentPanel> selviews = new ArrayList<AlignmentPanel>();
+    final List<AlignmentPanel> origview = new ArrayList<AlignmentPanel>();
+    ViewSelectionMenu vsel = new ViewSelectionMenu("Transfer colours from",
+            new ViewSetProvider()
+            {
+
+              @Override
+              public AlignmentPanel[] getAllAlignmentPanels()
+              {
+                origview.clear();
+                origview.add(alignPanel);
+                return Desktop.getAlignmentPanels(null);
+              }
+            }, selviews, new ItemListener()
+            {
+
+              @Override
+              public void itemStateChanged(ItemEvent e)
+              {
+                if (origview.size() > 0)
+                {
+                  ViewStyleI vs = selviews.get(0).getAlignViewport()
+                          .getViewStyle();
+                  origview.get(0).getAlignViewport().setViewStyle(vs);
+                  AlignViewportI complement = origview.get(0)
+                          .getAlignViewport().getCodingComplement();
+                  if (complement != null)
+                  {
+                    AlignFrame af = Desktop.getAlignFrameFor(complement);
+                    if (complement.isNucleotide())
+                    {
+                      complement.setViewStyle(vs);
+                      vs.setCharWidth(vs.getCharWidth() / 3);
+                    }
+                    else
+                    {
+                      int rw = vs.getCharWidth();
+                      vs.setCharWidth(rw * 3);
+                      complement.setViewStyle(vs);
+                      vs.setCharWidth(rw);
+                    }
+                    af.alignPanel.updateLayout();
+                    af.setMenusForViewport();
+                  }
+                  origview.get(0).updateLayout();
+                  origview.get(0).setSelected(true);
+                  origview.get(0).alignFrame.setMenusForViewport();
+
+                }
+              }
+            });
+    formatMenu.add(vsel);
+
   }
 
   /**
@@ -354,10 +428,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   public void setFileName(String file, String format)
   {
     fileName = file;
-    currentFileFormat = format;
+    setFileFormat(format);
     reload.setEnabled(true);
   }
 
+  /**
+   * Add a KeyListener with handlers for various KeyPressed and KeyReleased
+   * events
+   */
   void addKeyListener()
   {
     addKeyListener(new KeyAdapter()
@@ -370,7 +448,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                         .getKeyCode() >= KeyEvent.VK_NUMPAD0 && evt
                         .getKeyCode() <= KeyEvent.VK_NUMPAD9))
                 && Character.isDigit(evt.getKeyChar()))
-          alignPanel.seqPanel.numberPressed(evt.getKeyChar());
+        {
+          alignPanel.getSeqPanel().numberPressed(evt.getKeyChar());
+        }
 
         switch (evt.getKeyCode())
         {
@@ -382,38 +462,54 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
         case KeyEvent.VK_DOWN:
           if (evt.isAltDown() || !viewport.cursorMode)
+          {
             moveSelectedSequences(false);
+          }
           if (viewport.cursorMode)
-            alignPanel.seqPanel.moveCursor(0, 1);
+          {
+            alignPanel.getSeqPanel().moveCursor(0, 1);
+          }
           break;
 
         case KeyEvent.VK_UP:
           if (evt.isAltDown() || !viewport.cursorMode)
+          {
             moveSelectedSequences(true);
+          }
           if (viewport.cursorMode)
-            alignPanel.seqPanel.moveCursor(0, -1);
+          {
+            alignPanel.getSeqPanel().moveCursor(0, -1);
+          }
 
           break;
 
         case KeyEvent.VK_LEFT:
           if (evt.isAltDown() || !viewport.cursorMode)
-            slideSequences(false, alignPanel.seqPanel.getKeyboardNo1());
+          {
+            slideSequences(false, alignPanel.getSeqPanel().getKeyboardNo1());
+          }
           else
-            alignPanel.seqPanel.moveCursor(-1, 0);
+          {
+            alignPanel.getSeqPanel().moveCursor(-1, 0);
+          }
 
           break;
 
         case KeyEvent.VK_RIGHT:
           if (evt.isAltDown() || !viewport.cursorMode)
-            slideSequences(true, alignPanel.seqPanel.getKeyboardNo1());
+          {
+            slideSequences(true, alignPanel.getSeqPanel().getKeyboardNo1());
+          }
           else
-            alignPanel.seqPanel.moveCursor(1, 0);
+          {
+            alignPanel.getSeqPanel().moveCursor(1, 0);
+          }
           break;
 
         case KeyEvent.VK_SPACE:
           if (viewport.cursorMode)
           {
-            alignPanel.seqPanel.insertGapAtCursor(evt.isControlDown()
+            alignPanel.getSeqPanel().insertGapAtCursor(evt.isControlDown()
                     || evt.isShiftDown() || evt.isAltDown());
           }
           break;
@@ -437,7 +533,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           }
           else
           {
-            alignPanel.seqPanel.deleteGapAtCursor(evt.isControlDown()
+            alignPanel.getSeqPanel().deleteGapAtCursor(evt.isControlDown()
                     || evt.isShiftDown() || evt.isAltDown());
           }
 
@@ -446,19 +542,19 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         case KeyEvent.VK_S:
           if (viewport.cursorMode)
           {
-            alignPanel.seqPanel.setCursorRow();
+            alignPanel.getSeqPanel().setCursorRow();
           }
           break;
         case KeyEvent.VK_C:
           if (viewport.cursorMode && !evt.isControlDown())
           {
-            alignPanel.seqPanel.setCursorColumn();
+            alignPanel.getSeqPanel().setCursorColumn();
           }
           break;
         case KeyEvent.VK_P:
           if (viewport.cursorMode)
           {
-            alignPanel.seqPanel.setCursorPosition();
+            alignPanel.getSeqPanel().setCursorPosition();
           }
           break;
 
@@ -466,45 +562,40 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         case KeyEvent.VK_COMMA:
           if (viewport.cursorMode)
           {
-            alignPanel.seqPanel.setCursorRowAndColumn();
+            alignPanel.getSeqPanel().setCursorRowAndColumn();
           }
           break;
 
         case KeyEvent.VK_Q:
           if (viewport.cursorMode)
           {
-            alignPanel.seqPanel.setSelectionAreaAtCursor(true);
+            alignPanel.getSeqPanel().setSelectionAreaAtCursor(true);
           }
           break;
         case KeyEvent.VK_M:
           if (viewport.cursorMode)
           {
-            alignPanel.seqPanel.setSelectionAreaAtCursor(false);
+            alignPanel.getSeqPanel().setSelectionAreaAtCursor(false);
           }
           break;
 
         case KeyEvent.VK_F2:
           viewport.cursorMode = !viewport.cursorMode;
-          statusBar.setText(MessageManager.formatMessage("label.keyboard_editing_mode", new String[]{(viewport.cursorMode ? "on" : "off")}));
+          statusBar.setText(MessageManager.formatMessage(
+                  "label.keyboard_editing_mode", new String[]
+                  { (viewport.cursorMode ? "on" : "off") }));
           if (viewport.cursorMode)
           {
-            alignPanel.seqPanel.seqCanvas.cursorX = viewport.startRes;
-            alignPanel.seqPanel.seqCanvas.cursorY = viewport.startSeq;
+            alignPanel.getSeqPanel().seqCanvas.cursorX = viewport.startRes;
+            alignPanel.getSeqPanel().seqCanvas.cursorY = viewport.startSeq;
           }
-          alignPanel.seqPanel.seqCanvas.repaint();
+          alignPanel.getSeqPanel().seqCanvas.repaint();
           break;
 
         case KeyEvent.VK_F1:
           try
           {
-            ClassLoader cl = jalview.gui.Desktop.class.getClassLoader();
-            java.net.URL url = javax.help.HelpSet.findHelpSet(cl,
-                    "help/help");
-            javax.help.HelpSet hs = new javax.help.HelpSet(cl, url);
-
-            javax.help.HelpBroker hb = hs.createHelpBroker();
-            hb.setCurrentID("home");
-            hb.setDisplayed(true);
+            Help.showHelpWindow();
           } catch (Exception ex)
           {
             ex.printStackTrace();
@@ -518,7 +609,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           break;
         }
         case KeyEvent.VK_PAGE_UP:
-          if (viewport.wrapAlignment)
+          if (viewport.getWrapAlignment())
           {
             alignPanel.scrollUp(true);
           }
@@ -529,7 +620,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           }
           break;
         case KeyEvent.VK_PAGE_DOWN:
-          if (viewport.wrapAlignment)
+          if (viewport.getWrapAlignment())
           {
             alignPanel.scrollUp(false);
           }
@@ -549,14 +640,18 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         {
         case KeyEvent.VK_LEFT:
           if (evt.isAltDown() || !viewport.cursorMode)
+          {
             viewport.firePropertyChange("alignment", null, viewport
                     .getAlignment().getSequences());
+          }
           break;
 
         case KeyEvent.VK_RIGHT:
           if (evt.isAltDown() || !viewport.cursorMode)
+          {
             viewport.firePropertyChange("alignment", null, viewport
                     .getAlignment().getSequences());
+          }
           break;
         }
       }
@@ -566,9 +661,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   public void addAlignmentPanel(final AlignmentPanel ap, boolean newPanel)
   {
     ap.alignFrame = this;
-    avc = new jalview.controller.AlignViewController(this, viewport, alignPanel);
+    avc = new jalview.controller.AlignViewController(this, viewport,
+            alignPanel);
 
-    alignPanels.addElement(ap);
+    alignPanels.add(ap);
 
     PaintRefresher.Register(ap, ap.av.getSequenceSetId());
 
@@ -611,7 +707,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     expandViews.setEnabled(true);
     gatherViews.setEnabled(true);
     tabbedPane.setVisible(true);
-    AlignmentPanel first = (AlignmentPanel) alignPanels.firstElement();
+    AlignmentPanel first = alignPanels.get(0);
     tabbedPane.addTab(first.av.viewName, first);
     this.getContentPane().add(tabbedPane, BorderLayout.CENTER);
   }
@@ -672,6 +768,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }).start();
   }
 
+  /**
+   * Configure menu items that vary according to whether the alignment is
+   * nucleotide or protein
+   * 
+   * @param nucleotide
+   */
   public void setGUINucleotide(boolean nucleotide)
   {
     showTranslation.setVisible(nucleotide);
@@ -680,16 +782,15 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     showGroupConservation.setEnabled(!nucleotide);
     rnahelicesColour.setEnabled(nucleotide);
     purinePyrimidineColour.setEnabled(nucleotide);
-    // Remember AlignFrame always starts as protein
-    // if (!nucleotide)
-    // {
-    // showTr
-    // calculateMenu.remove(calculateMenu.getItemCount() - 2);
-    // }
+    showComplementMenuItem.setText(MessageManager
+            .getString(nucleotide ? "label.protein" : "label.nucleotide"));
+    setColourSelected(jalview.bin.Cache.getDefault(
+            nucleotide ? Preferences.DEFAULT_COLOUR_NUC
+                    : Preferences.DEFAULT_COLOUR_PROT, "None"));
   }
 
   /**
-   * set up menus for the currently viewport. This may be called after any
+   * set up menus for the current viewport. This may be called after any
    * operation that affects the data in the current view (selection changed,
    * etc) to update the menus to reflect the new state.
    */
@@ -708,20 +809,27 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   void setMenusFromViewport(AlignViewport av)
   {
     padGapsMenuitem.setSelected(av.isPadGaps());
-    colourTextMenuItem.setSelected(av.showColourText);
+    colourTextMenuItem.setSelected(av.isShowColourText());
     abovePIDThreshold.setSelected(av.getAbovePIDThreshold());
     conservationMenuItem.setSelected(av.getConservationSelected());
     seqLimits.setSelected(av.getShowJVSuffix());
-    idRightAlign.setSelected(av.rightAlignIds);
-    centreColumnLabelsMenuItem.setState(av.centreColumnLabels);
-    renderGapsMenuItem.setSelected(av.renderGaps);
-    wrapMenuItem.setSelected(av.wrapAlignment);
-    scaleAbove.setVisible(av.wrapAlignment);
-    scaleLeft.setVisible(av.wrapAlignment);
-    scaleRight.setVisible(av.wrapAlignment);
-    annotationPanelMenuItem.setState(av.showAnnotation);
-    viewBoxesMenuItem.setSelected(av.showBoxes);
-    viewTextMenuItem.setSelected(av.showText);
+    idRightAlign.setSelected(av.isRightAlignIds());
+    centreColumnLabelsMenuItem.setState(av.isCentreColumnLabels());
+    renderGapsMenuItem.setSelected(av.isRenderGaps());
+    wrapMenuItem.setSelected(av.getWrapAlignment());
+    scaleAbove.setVisible(av.getWrapAlignment());
+    scaleLeft.setVisible(av.getWrapAlignment());
+    scaleRight.setVisible(av.getWrapAlignment());
+    annotationPanelMenuItem.setState(av.isShowAnnotation());
+    /*
+     * Show/hide annotations only enabled if annotation panel is shown
+     */
+    showAllSeqAnnotations.setEnabled(annotationPanelMenuItem.getState());
+    hideAllSeqAnnotations.setEnabled(annotationPanelMenuItem.getState());
+    showAllAlAnnotations.setEnabled(annotationPanelMenuItem.getState());
+    hideAllAlAnnotations.setEnabled(annotationPanelMenuItem.getState());
+    viewBoxesMenuItem.setSelected(av.getShowBoxes());
+    viewTextMenuItem.setSelected(av.getShowText());
     showNonconservedMenuItem.setSelected(av.getShowUnconserved());
     showGroupConsensus.setSelected(av.isShowGroupConsensus());
     showGroupConservation.setSelected(av.isShowGroupConservation());
@@ -732,11 +840,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     setColourSelected(ColourSchemeProperty.getColourName(av
             .getGlobalColourScheme()));
 
-    showSeqFeatures.setSelected(av.showSequenceFeatures);
-    hiddenMarkers.setState(av.showHiddenMarkers);
+    showSeqFeatures.setSelected(av.isShowSequenceFeatures());
+    hiddenMarkers.setState(av.getShowHiddenMarkers());
     applyToAllGroups.setState(av.getColourAppliesToAllGroups());
-    showNpFeatsMenuitem.setSelected(av.isShowNpFeats());
-    showDbRefsMenuitem.setSelected(av.isShowDbRefs());
+    showNpFeatsMenuitem.setSelected(av.isShowNPFeats());
+    showDbRefsMenuitem.setSelected(av.isShowDBRefs());
     autoCalculate.setSelected(av.autoCalculateConsensus);
     sortByTree.setSelected(av.sortByTree);
     listenToViewSelections.setSelected(av.followSelection);
@@ -810,14 +918,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     if (progressBarHandlers == null || !progressBars.contains(new Long(id)))
     {
-      throw new Error(
-              "call setProgressBar before registering the progress bar's handler.");
+      throw new Error(MessageManager.getString("error.call_setprogressbar_before_registering_handler"));
     }
     progressBarHandlers.put(new Long(id), handler);
     final JPanel progressPanel = (JPanel) progressBars.get(new Long(id));
     if (handler.canCancel())
     {
-      JButton cancel = new JButton(MessageManager.getString("action.cancel"));
+      JButton cancel = new JButton(
+              MessageManager.getString("action.cancel"));
       final IProgressIndicator us = this;
       cancel.addActionListener(new ActionListener()
       {
@@ -826,10 +934,7 @@ 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(MessageManager.formatMessage("label.cancelled_params", new Object[]{((JLabel) progressPanel.getComponent(0)).getText()}), id);
         }
       });
       progressPanel.add(cancel, BorderLayout.EAST);
@@ -851,9 +956,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   @Override
-  public void setStatus(String text) {
+  public void setStatus(String text)
+  {
     statusBar.setText(text);
   };
+
   /*
    * Added so Castor Mapping file can obtain Jalview Version
    */
@@ -864,7 +971,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
   public FeatureRenderer getFeatureRenderer()
   {
-    return alignPanel.seqPanel.seqCanvas.getFeatureRenderer();
+    return alignPanel.getSeqPanel().seqCanvas.getFeatureRenderer();
   }
 
   @Override
@@ -990,21 +1097,30 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
             currentFileFormat, false);
 
     chooser.setFileView(new JalviewFileView());
-    chooser.setDialogTitle("Save Alignment to file");
-    chooser.setToolTipText(MessageManager.getString("action.save"));\r
+    chooser.setDialogTitle(MessageManager.getString("label.save_alignment_to_file"));
+    chooser.setToolTipText(MessageManager.getString("action.save"));
 
     int value = chooser.showSaveDialog(this);
 
     if (value == JalviewFileChooser.APPROVE_OPTION)
     {
       currentFileFormat = chooser.getSelectedFormat();
-      if (currentFileFormat == null)
+      while (currentFileFormat == null)
       {
-        JOptionPane.showInternalMessageDialog(Desktop.desktop,
-                MessageManager.getString("label.select_file_format_before_saving"),
-                MessageManager.getString("label.file_format_not_specified"), JOptionPane.WARNING_MESSAGE);
+        JOptionPane
+                .showInternalMessageDialog(
+                        Desktop.desktop,
+                        MessageManager
+                                .getString("label.select_file_format_before_saving"),
+                        MessageManager
+                                .getString("label.file_format_not_specified"),
+                        JOptionPane.WARNING_MESSAGE);
+        currentFileFormat = chooser.getSelectedFormat();
         value = chooser.showSaveDialog(this);
-        return;
+        if (value != JalviewFileChooser.APPROVE_OPTION)
+        {
+          return;
+        }
       }
 
       fileName = chooser.getSelectedFile().getPath();
@@ -1036,10 +1152,16 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                 .lastIndexOf(java.io.File.separatorChar) + 1);
       }
 
-      success = new Jalview2XML().SaveAlignment(this, file, shortName);
+      /*
+       * First save any linked Chimera session.
+       */
+      Desktop.instance.saveChimeraSessions(file);
 
-      statusBar.setText(MessageManager.formatMessage("label.successfully_saved_to_file_in_format",new String[]{fileName, format}));
+      success = new Jalview2XML().saveAlignment(this, file, shortName);
 
+      statusBar.setText(MessageManager.formatMessage(
+              "label.successfully_saved_to_file_in_format", new Object[]
+              { fileName, format }));
 
     }
     else
@@ -1060,8 +1182,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         int reply = JOptionPane
                 .showInternalConfirmDialog(
                         Desktop.desktop,
-                        MessageManager.getString("label.alignment_contains_hidden_columns"),
-                        MessageManager.getString("action.save_omit_hidden_columns"),
+                        MessageManager
+                                .getString("label.alignment_contains_hidden_columns"),
+                        MessageManager
+                                .getString("action.save_omit_hidden_columns"),
                         JOptionPane.YES_NO_OPTION,
                         JOptionPane.QUESTION_MESSAGE);
 
@@ -1091,7 +1215,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           out.print(output);
           out.close();
           this.setTitle(file);
-          statusBar.setText(MessageManager.formatMessage("label.successfully_saved_to_file_in_format",new String[]{fileName, format}));
+          statusBar.setText(MessageManager.formatMessage(
+                  "label.successfully_saved_to_file_in_format",
+                  new Object[]
+                  { fileName, format }));
         } catch (Exception ex)
         {
           success = false;
@@ -1102,8 +1229,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     if (!success)
     {
-      JOptionPane.showInternalMessageDialog(this, MessageManager.formatMessage("label.couldnt_save_file", new String[]{fileName}),
-              MessageManager.getString("label.error_saving_file"), JOptionPane.WARNING_MESSAGE);
+      JOptionPane.showInternalMessageDialog(this, MessageManager
+              .formatMessage("label.couldnt_save_file", new Object[]
+              { fileName }), MessageManager
+              .getString("label.error_saving_file"),
+              JOptionPane.WARNING_MESSAGE);
     }
 
     return success;
@@ -1140,8 +1270,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       int reply = JOptionPane
               .showInternalConfirmDialog(
                       Desktop.desktop,
-                      MessageManager.getString("label.alignment_contains_hidden_columns"),
-                      MessageManager.getString("action.save_omit_hidden_columns"),
+                      MessageManager
+                              .getString("label.alignment_contains_hidden_columns"),
+                      MessageManager
+                              .getString("action.save_omit_hidden_columns"),
                       JOptionPane.YES_NO_OPTION,
                       JOptionPane.QUESTION_MESSAGE);
 
@@ -1159,8 +1291,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       cap.setText(new FormatAdapter().formatSequences(e.getActionCommand(),
               viewport.getAlignment(), omitHidden,
               viewport.getColumnSelection()));
-      Desktop.addInternalFrame(cap,
-              MessageManager.formatMessage("label.alignment_output_command", new String[]{e.getActionCommand()}), 600, 500);\r
+      Desktop.addInternalFrame(cap, MessageManager.formatMessage(
+              "label.alignment_output_command", new Object[]
+              { e.getActionCommand() }), 600, 500);
     } catch (OutOfMemoryError oom)
     {
       new OOMWarning("Outputting alignment as " + e.getActionCommand(), oom);
@@ -1178,11 +1311,18 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   protected void htmlMenuItem_actionPerformed(ActionEvent e)
   {
-    new HTMLOutput(alignPanel,
-            alignPanel.seqPanel.seqCanvas.getSequenceRenderer(),
-            alignPanel.seqPanel.seqCanvas.getFeatureRenderer());
+    // new HTMLOutput(alignPanel,
+    // alignPanel.getSeqPanel().seqCanvas.getSequenceRenderer(),
+    // alignPanel.getSeqPanel().seqCanvas.getFeatureRenderer());
+    new HtmlSvgOutput(null, alignPanel);
   }
 
+  @Override
+  public void bioJSMenuItem_actionPerformed(ActionEvent e)
+  {
+    new BioJsHTMLOutput(alignPanel,
+            alignPanel.getSeqPanel().seqCanvas.getFeatureRenderer());
+  }
   public void createImageMap(File file, String image)
   {
     alignPanel.makePNGImageMap(file, image);
@@ -1212,6 +1352,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     alignPanel.makeEPS(f);
   }
 
+  public void createSVG(File f)
+  {
+    alignPanel.makeSVG(f);
+  }
   @Override
   public void pageSetup_actionPerformed(ActionEvent e)
   {
@@ -1242,11 +1386,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   public void exportAnnotations_actionPerformed(ActionEvent e)
   {
-    new AnnotationExporter().exportAnnotations(alignPanel,
-            viewport.showAnnotation ? viewport.getAlignment()
-                    .getAlignmentAnnotation() : null, viewport
-                    .getAlignment().getGroups(), ((Alignment) viewport
-                    .getAlignment()).alignmentProperties);
+    new AnnotationExporter().exportAnnotations(alignPanel);
   }
 
   @Override
@@ -1256,8 +1396,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     JalviewFileChooser chooser = new JalviewFileChooser(
             jalview.bin.Cache.getProperty("LAST_DIRECTORY"));
     chooser.setFileView(new JalviewFileView());
-    chooser.setDialogTitle(MessageManager.getString("label.load_jalview_annotations"));\r
-    chooser.setToolTipText(MessageManager.getString("label.load_jalview_annotations"));\r
+    chooser.setDialogTitle(MessageManager
+            .getString("label.load_jalview_annotations"));
+    chooser.setToolTipText(MessageManager
+            .getString("label.load_jalview_annotations"));
 
     int value = chooser.showOpenDialog(null);
 
@@ -1296,7 +1438,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
             // setClosed(true) is called
             for (int i = 0; i < alignPanels.size(); i++)
             {
-              AlignmentPanel ap = (AlignmentPanel) alignPanels.elementAt(i);
+              AlignmentPanel ap = alignPanels.get(i);
               ap.closePanel();
             }
           }
@@ -1318,22 +1460,17 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   /**
-   * close alignPanel2 and shuffle tabs appropriately.
+   * Close the specified panel and close up tabs appropriately.
    * 
-   * @param alignPanel2
+   * @param panelToClose
    */
-  public void closeView(AlignmentPanel alignPanel2)
+  public void closeView(AlignmentPanel panelToClose)
   {
     int index = tabbedPane.getSelectedIndex();
-    int closedindex = tabbedPane.indexOfComponent(alignPanel2);
-    alignPanels.removeElement(alignPanel2);
-    // Unnecessary
-    // if (viewport == alignPanel2.av)
-    // {
-    // viewport = null;
-    // }
-    alignPanel2.closePanel();
-    alignPanel2 = null;
+    int closedindex = tabbedPane.indexOfComponent(panelToClose);
+    alignPanels.remove(panelToClose);
+    panelToClose.closePanel();
+    panelToClose = null;
 
     tabbedPane.removeTabAt(closedindex);
     tabbedPane.validate();
@@ -1353,11 +1490,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   void updateEditMenuBar()
   {
 
-    if (viewport.historyList.size() > 0)
+    if (viewport.getHistoryList().size() > 0)
     {
       undoMenuItem.setEnabled(true);
-      CommandI command = (CommandI) viewport.historyList.peek();
-      undoMenuItem.setText(MessageManager.formatMessage("label.undo_command", new String[]{command.getDescription()}));
+      CommandI command = viewport.getHistoryList().peek();
+      undoMenuItem.setText(MessageManager.formatMessage(
+              "label.undo_command", new Object[]
+              { command.getDescription() }));
     }
     else
     {
@@ -1365,12 +1504,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       undoMenuItem.setText(MessageManager.getString("action.undo"));
     }
 
-    if (viewport.redoList.size() > 0)
+    if (viewport.getRedoList().size() > 0)
     {
       redoMenuItem.setEnabled(true);
 
-      CommandI command = (CommandI) viewport.redoList.peek();
-      redoMenuItem.setText(MessageManager.formatMessage("label.redo_command", new String[]{command.getDescription()}));
+      CommandI command = viewport.getRedoList().peek();
+      redoMenuItem.setText(MessageManager.formatMessage(
+              "label.redo_command", new Object[]
+              { command.getDescription() }));
     }
     else
     {
@@ -1383,8 +1524,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     if (command.getSize() > 0)
     {
-      viewport.historyList.push(command);
-      viewport.redoList.clear();
+      viewport.addToHistoryList(command);
+      viewport.clearRedoList();
       updateEditMenuBar();
       viewport.updateHiddenColumns();
       // viewport.hasHiddenColumns = (viewport.getColumnSelection() != null
@@ -1402,11 +1543,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     if (alignPanels != null)
     {
-      Enumeration e = alignPanels.elements();
       AlignmentI[] als = new AlignmentI[alignPanels.size()];
-      for (int i = 0; e.hasMoreElements(); i++)
+      int i = 0;
+      for (AlignmentPanel ap : alignPanels)
       {
-        als[i] = ((AlignmentPanel) e.nextElement()).av.getAlignment();
+        als[i++] = ap.av.getAlignment();
       }
       return als;
     }
@@ -1427,13 +1568,15 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   protected void undoMenuItem_actionPerformed(ActionEvent e)
   {
-    if (viewport.historyList.empty())
+    if (viewport.getHistoryList().isEmpty())
+    {
       return;
-    CommandI command = (CommandI) viewport.historyList.pop();
-    viewport.redoList.push(command);
+    }
+    CommandI command = viewport.getHistoryList().pop();
+    viewport.addToRedoList(command);
     command.undoCommand(getViewAlignments());
 
-    AlignViewport originalSource = getOriginatingSource(command);
+    AlignmentViewport originalSource = getOriginatingSource(command);
     updateEditMenuBar();
 
     if (originalSource != null)
@@ -1463,16 +1606,16 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   protected void redoMenuItem_actionPerformed(ActionEvent e)
   {
-    if (viewport.redoList.size() < 1)
+    if (viewport.getRedoList().size() < 1)
     {
       return;
     }
 
-    CommandI command = (CommandI) viewport.redoList.pop();
-    viewport.historyList.push(command);
+    CommandI command = viewport.getRedoList().pop();
+    viewport.addToHistoryList(command);
     command.doCommand(getViewAlignments());
 
-    AlignViewport originalSource = getOriginatingSource(command);
+    AlignmentViewport originalSource = getOriginatingSource(command);
     updateEditMenuBar();
 
     if (originalSource != null)
@@ -1494,9 +1637,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
   }
 
-  AlignViewport getOriginatingSource(CommandI command)
+  AlignmentViewport getOriginatingSource(CommandI command)
   {
-    AlignViewport originalSource = null;
+    AlignmentViewport originalSource = null;
     // For sequence removal and addition, we need to fire
     // the property change event FROM the viewport where the
     // original alignment was altered
@@ -1505,16 +1648,16 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     {
       EditCommand editCommand = (EditCommand) command;
       al = editCommand.getAlignment();
-      Vector comps = (Vector) PaintRefresher.components.get(viewport
+      List<Component> comps = PaintRefresher.components.get(viewport
               .getSequenceSetId());
 
-      for (int i = 0; i < comps.size(); i++)
+      for (Component comp : comps)
       {
-        if (comps.elementAt(i) instanceof AlignmentPanel)
+        if (comp instanceof AlignmentPanel)
         {
-          if (al == ((AlignmentPanel) comps.elementAt(i)).av.getAlignment())
+          if (al == ((AlignmentPanel) comp).av.getAlignment())
           {
-            originalSource = ((AlignmentPanel) comps.elementAt(i)).av;
+            originalSource = ((AlignmentPanel) comp).av;
             break;
           }
         }
@@ -1557,11 +1700,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
   synchronized void slideSequences(boolean right, int size)
   {
-    List<SequenceI> sg = new Vector();
+    List<SequenceI> sg = new ArrayList<SequenceI>();
     if (viewport.cursorMode)
     {
       sg.add(viewport.getAlignment().getSequenceAt(
-              alignPanel.seqPanel.seqCanvas.cursorY));
+              alignPanel.getSeqPanel().seqCanvas.cursorY));
     }
     else if (viewport.getSelectionGroup() != null
             && viewport.getSelectionGroup().getSize() != viewport
@@ -1576,42 +1719,58 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       return;
     }
 
-    Vector invertGroup = new Vector();
+    List<SequenceI> invertGroup = new ArrayList<SequenceI>();
 
-    for (int i = 0; i < viewport.getAlignment().getHeight(); i++)
+    for (SequenceI seq : viewport.getAlignment().getSequences())
     {
-      if (!sg.contains(viewport.getAlignment().getSequenceAt(i)))
-        invertGroup.add(viewport.getAlignment().getSequenceAt(i));
+      if (!sg.contains(seq))
+      {
+        invertGroup.add(seq);
+      }
     }
 
     SequenceI[] seqs1 = sg.toArray(new SequenceI[0]);
 
     SequenceI[] seqs2 = new SequenceI[invertGroup.size()];
     for (int i = 0; i < invertGroup.size(); i++)
-      seqs2[i] = (SequenceI) invertGroup.elementAt(i);
+    {
+      seqs2[i] = invertGroup.get(i);
+    }
 
     SlideSequencesCommand ssc;
     if (right)
+    {
       ssc = new SlideSequencesCommand("Slide Sequences", seqs2, seqs1,
               size, viewport.getGapCharacter());
+    }
     else
+    {
       ssc = new SlideSequencesCommand("Slide Sequences", seqs1, seqs2,
               size, viewport.getGapCharacter());
+    }
 
     int groupAdjustment = 0;
     if (ssc.getGapsInsertedBegin() && right)
     {
       if (viewport.cursorMode)
-        alignPanel.seqPanel.moveCursor(size, 0);
+      {
+        alignPanel.getSeqPanel().moveCursor(size, 0);
+      }
       else
+      {
         groupAdjustment = size;
+      }
     }
     else if (!ssc.getGapsInsertedBegin() && !right)
     {
       if (viewport.cursorMode)
-        alignPanel.seqPanel.moveCursor(-size, 0);
+      {
+        alignPanel.getSeqPanel().moveCursor(-size, 0);
+      }
       else
+      {
         groupAdjustment = -size;
+      }
     }
 
     if (groupAdjustment != 0)
@@ -1623,16 +1782,20 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
 
     boolean appendHistoryItem = false;
-    if (viewport.historyList != null && viewport.historyList.size() > 0
-            && viewport.historyList.peek() instanceof SlideSequencesCommand)
+    Deque<CommandI> historyList = viewport.getHistoryList();
+    if (historyList != null
+            && historyList.size() > 0
+            && historyList.peek() instanceof SlideSequencesCommand)
     {
       appendHistoryItem = ssc
-              .appendSlideCommand((SlideSequencesCommand) viewport.historyList
+              .appendSlideCommand((SlideSequencesCommand) historyList
                       .peek());
     }
 
     if (!appendHistoryItem)
+    {
       addHistoryItem(ssc);
+    }
 
     repaint();
   }
@@ -1682,20 +1845,17 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       return;
     }
 
-    Vector hiddenColumns = null;
+    ArrayList<int[]> hiddenColumns = null;
     if (viewport.hasHiddenColumns())
     {
-      hiddenColumns = new Vector();
+      hiddenColumns = new ArrayList<int[]>();
       int hiddenOffset = viewport.getSelectionGroup().getStartRes(), hiddenCutoff = viewport
               .getSelectionGroup().getEndRes();
-      for (int i = 0; i < viewport.getColumnSelection().getHiddenColumns()
-              .size(); i++)
+      for (int[] region : viewport.getColumnSelection().getHiddenColumns())
       {
-        int[] region = (int[]) viewport.getColumnSelection()
-                .getHiddenColumns().elementAt(i);
         if (region[0] >= hiddenOffset && region[1] <= hiddenCutoff)
         {
-          hiddenColumns.addElement(new int[]
+          hiddenColumns.add(new int[]
           { region[0] - hiddenOffset, region[1] - hiddenOffset });
         }
       }
@@ -1703,7 +1863,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     Desktop.jalviewClipboard = new Object[]
     { seqs, viewport.getAlignment().getDataset(), hiddenColumns };
-    statusBar.setText(MessageManager.formatMessage("label.copied_sequences_to_clipboard", new String[]{Integer.valueOf(seqs.length).toString()}));
+    statusBar.setText(MessageManager.formatMessage(
+            "label.copied_sequences_to_clipboard", new Object[]
+            { Integer.valueOf(seqs.length).toString() }));
   }
 
   /**
@@ -1910,7 +2072,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         // /////
         // ADD HISTORY ITEM
         //
-        addHistoryItem(new EditCommand("Add sequences", EditCommand.PASTE,
+        addHistoryItem(new EditCommand(
+                MessageManager.getString("label.add_sequences"),
+                Action.PASTE,
                 sequences, 0, alignment.getWidth(), alignment));
       }
       // Add any annotations attached to sequences
@@ -1965,7 +2129,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           {
             AlignmentAnnotation sann[] = sequences[i].getAnnotation();
             if (sann == null)
+            {
               continue;
+            }
             for (int avnum = 0; avnum < alview.length; avnum++)
             {
               if (alview[avnum] != alignment)
@@ -1996,7 +2162,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                 alignment.getSequences());
         if (alignPanels != null)
         {
-          for (AlignmentPanel ap : ((Vector<AlignmentPanel>) alignPanels))
+          for (AlignmentPanel ap : alignPanels)
           {
             ap.validateAnnotationDimensions(false);
           }
@@ -2016,19 +2182,18 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         if (Desktop.jalviewClipboard != null
                 && Desktop.jalviewClipboard[2] != null)
         {
-          Vector hc = (Vector) Desktop.jalviewClipboard[2];
-          for (int i = 0; i < hc.size(); i++)
+          List<int[]> hc = (List<int[]>) Desktop.jalviewClipboard[2];
+          for (int[] region : hc)
           {
-            int[] region = (int[]) hc.elementAt(i);
             af.viewport.hideColumns(region[0], region[1]);
           }
         }
 
         // >>>This is a fix for the moment, until a better solution is
         // found!!<<<
-        af.alignPanel.seqPanel.seqCanvas.getFeatureRenderer()
+        af.alignPanel.getSeqPanel().seqCanvas.getFeatureRenderer()
                 .transferSettings(
-                        alignPanel.seqPanel.seqCanvas.getFeatureRenderer());
+                        alignPanel.getSeqPanel().seqCanvas.getFeatureRenderer());
 
         // TODO: maintain provenance of an alignment, rather than just make the
         // title a concatenation of operations.
@@ -2062,6 +2227,59 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
   }
 
+  @Override
+  protected void expand_newalign(ActionEvent e)
+  {
+    try
+    {
+      AlignmentI alignment = AlignmentUtils.expandContext(getViewport()
+              .getAlignment(), -1);
+      AlignFrame af = new AlignFrame(alignment, DEFAULT_WIDTH,
+              DEFAULT_HEIGHT);
+      String newtitle = new String("Flanking alignment");
+
+      if (Desktop.jalviewClipboard != null
+              && Desktop.jalviewClipboard[2] != null)
+      {
+        List<int[]> hc = (List<int[]>) Desktop.jalviewClipboard[2];
+        for (int region[] : hc)
+        {
+          af.viewport.hideColumns(region[0], region[1]);
+        }
+      }
+
+      // >>>This is a fix for the moment, until a better solution is
+      // found!!<<<
+      af.alignPanel.getSeqPanel().seqCanvas.getFeatureRenderer()
+              .transferSettings(
+                      alignPanel.getSeqPanel().seqCanvas.getFeatureRenderer());
+
+      // TODO: maintain provenance of an alignment, rather than just make the
+      // title a concatenation of operations.
+      {
+        if (title.startsWith("Copied sequences"))
+        {
+          newtitle = title;
+        }
+        else
+        {
+          newtitle = newtitle.concat("- from " + title);
+        }
+      }
+
+      Desktop.addInternalFrame(af, newtitle, DEFAULT_WIDTH, DEFAULT_HEIGHT);
+
+    } catch (Exception ex)
+    {
+      ex.printStackTrace();
+      System.out.println("Exception whilst pasting: " + ex);
+      // could be anything being pasted in here
+    } catch (OutOfMemoryError oom)
+    {
+      new OOMWarning("Viewing flanking region of alignment", oom);
+    }
+  }
+
   /**
    * DOCUMENT ME!
    * 
@@ -2091,32 +2309,31 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       return;
     }
 
-    Vector seqs = new Vector();
-    SequenceI seq;
-    for (int i = 0; i < sg.getSize(); i++)
-    {
-      seq = sg.getSequenceAt(i);
-      seqs.addElement(seq);
-    }
-
-    // If the cut affects all sequences, remove highlighted columns
+    /*
+     * If the cut affects all sequences, warn, remove highlighted columns
+     */
     if (sg.getSize() == viewport.getAlignment().getHeight())
     {
+      int confirm = JOptionPane.showConfirmDialog(this,
+              MessageManager.getString("warn.delete_all"), // $NON-NLS-1$
+              MessageManager.getString("label.delete_all"), // $NON-NLS-1$
+              JOptionPane.OK_CANCEL_OPTION);
+
+      if (confirm == JOptionPane.CANCEL_OPTION
+              || confirm == JOptionPane.CLOSED_OPTION)
+      {
+        return;
+      }
       viewport.getColumnSelection().removeElements(sg.getStartRes(),
               sg.getEndRes() + 1);
     }
 
-    SequenceI[] cut = new SequenceI[seqs.size()];
-    for (int i = 0; i < seqs.size(); i++)
-    {
-      cut[i] = (SequenceI) seqs.elementAt(i);
-    }
+    SequenceI[] cut = sg.getSequences()
+            .toArray(new SequenceI[sg.getSize()]);
 
-    /*
-     * //ADD HISTORY ITEM
-     */
-    addHistoryItem(new EditCommand("Cut Sequences", EditCommand.CUT, cut,
-            sg.getStartRes(), sg.getEndRes() - sg.getStartRes() + 1,
+    addHistoryItem(new EditCommand(
+            MessageManager.getString("label.cut_sequences"), Action.CUT,
+            cut, sg.getStartRes(), sg.getEndRes() - sg.getStartRes() + 1,
             viewport.getAlignment()));
 
     viewport.setSelectionGroup(null);
@@ -2145,7 +2362,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   protected void deleteGroups_actionPerformed(ActionEvent e)
   {
-    if (avc.deleteGroups()) {
+    if (avc.deleteGroups())
+    {
       PaintRefresher.Refresh(this, viewport.getSequenceSetId());
       alignPanel.updateAnnotation();
       alignPanel.paintAlignment(true);
@@ -2186,14 +2404,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     if (viewport.cursorMode)
     {
-      alignPanel.seqPanel.keyboardNo1 = null;
-      alignPanel.seqPanel.keyboardNo2 = null;
+      alignPanel.getSeqPanel().keyboardNo1 = null;
+      alignPanel.getSeqPanel().keyboardNo2 = null;
     }
     viewport.setSelectionGroup(null);
     viewport.getColumnSelection().clear();
     viewport.setSelectionGroup(null);
-    alignPanel.seqPanel.seqCanvas.highlightSearchResults(null);
-    alignPanel.idPanel.idCanvas.searchResults = null;
+    alignPanel.getSeqPanel().seqCanvas.highlightSearchResults(null);
+    alignPanel.getIdPanel().getIdCanvas().searchResults = null;
     alignPanel.paintAlignment(true);
     PaintRefresher.Refresh(alignPanel, viewport.getSequenceSetId());
     viewport.sendSelection();
@@ -2303,7 +2521,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                 viewport.getSelectionGroup());
       }
 
-      statusBar.setText(MessageManager.formatMessage("label.removed_columns", new String[]{Integer.valueOf(trimRegion.getSize()).toString()}));
+      statusBar.setText(MessageManager.formatMessage(
+              "label.removed_columns", new String[]
+              { Integer.valueOf(trimRegion.getSize()).toString() }));
 
       addHistoryItem(trimRegion);
 
@@ -2351,7 +2571,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     addHistoryItem(removeGapCols);
 
-    statusBar.setText(MessageManager.formatMessage("label.removed_empty_columns", new String[]{Integer.valueOf(removeGapCols.getSize()).toString()}));
+    statusBar.setText(MessageManager.formatMessage(
+            "label.removed_empty_columns", new Object[]
+            { Integer.valueOf(removeGapCols.getSize()).toString() }));
 
     // This is to maintain viewport position on first residue
     // of first sequence
@@ -2421,16 +2643,6 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
             .getSequences());
   }
 
-  // else
-  {
-    // if (justifySeqs>0)
-    {
-      // alignment.justify(justifySeqs!=RIGHT_JUSTIFY);
-    }
-  }
-
-  // }
-
   /**
    * DOCUMENT ME!
    * 
@@ -2443,78 +2655,84 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     new Finder();
   }
 
-  @Override
-  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.
+   * Create a new view of the current alignment.
    */
-  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)
+  @Override
+  public void newView_actionPerformed(ActionEvent e)
   {
-    return newView(viewTitle, true);
+    newView(null, true);
   }
 
   /**
+   * Creates and shows a new view of the current alignment.
    * 
    * @param viewTitle
-   *          title of newly created view
+   *          title of newly created view; if null, one will be generated
    * @param copyAnnotation
    *          if true then duplicate all annnotation, groups and settings
    * @return new alignment panel, already displayed.
    */
   public AlignmentPanel newView(String viewTitle, boolean copyAnnotation)
   {
+    /*
+     * Create a new AlignmentPanel (with its own, new Viewport)
+     */
     AlignmentPanel newap = new Jalview2XML().copyAlignPanel(alignPanel,
             true);
     if (!copyAnnotation)
     {
-      // just remove all the current annotation except for the automatic stuff
+      /*
+       * remove all groups and 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.getAlignment().deleteAllAnnotations(false);
     }
 
-    newap.av.gatherViewsHere = false;
+    newap.av.setGatherViewsHere(false);
 
     if (viewport.viewName == null)
     {
-      viewport.viewName = "Original";
+      viewport.viewName = MessageManager
+              .getString("label.view_name_original");
     }
 
-    newap.av.historyList = viewport.historyList;
-    newap.av.redoList = viewport.redoList;
+    /*
+     * Views share the same edits, undo and redo stacks, mappings.
+     */
+    newap.av.setHistoryList(viewport.getHistoryList());
+    newap.av.setRedoList(viewport.getRedoList());
+    newap.av.getAlignment().setCodonFrames(
+            viewport.getAlignment().getCodonFrames());
 
+    newap.av.viewName = getNewViewName(viewTitle);
+
+    addAlignmentPanel(newap, true);
+    newap.alignmentChanged();
+
+    if (alignPanels.size() == 2)
+    {
+      viewport.setGatherViewsHere(true);
+    }
+    tabbedPane.setSelectedIndex(tabbedPane.getTabCount() - 1);
+    return newap;
+  }
+
+  /**
+   * Make a new name for the view, ensuring it is unique within the current
+   * sequenceSetId. (This used to be essential for Jalview Project archives, but
+   * these now use viewId. Unique view names are still desirable for usability.)
+   * 
+   * @param viewTitle
+   * @return
+   */
+  protected String getNewViewName(String viewTitle)
+  {
     int index = Desktop.getViewCount(viewport.getSequenceSetId());
-    // 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";
+      viewTitle = MessageManager.getString("action.view");
       addFirstIndex = true;
     }
     else
@@ -2522,45 +2740,55 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       index = 1;// we count from 1 if given a specific name
     }
     String newViewName = viewTitle + ((addFirstIndex) ? " " + index : "");
-    Vector comps = (Vector) PaintRefresher.components.get(viewport
+
+    List<Component> comps = PaintRefresher.components.get(viewport
             .getSequenceSetId());
-    Vector existingNames = new Vector();
-    for (int i = 0; i < comps.size(); i++)
-    {
-      if (comps.elementAt(i) instanceof AlignmentPanel)
-      {
-        AlignmentPanel ap = (AlignmentPanel) comps.elementAt(i);
-        if (!existingNames.contains(ap.av.viewName))
-        {
-          existingNames.addElement(ap.av.viewName);
-        }
-      }
-    }
+
+    List<String> existingNames = getExistingViewNames(comps);
 
     while (existingNames.contains(newViewName))
     {
       newViewName = viewTitle + " " + (++index);
     }
+    return newViewName;
+  }
 
-    newap.av.viewName = newViewName;
-
-    addAlignmentPanel(newap, true);
-    newap.alignmentChanged();
-    
-    if (alignPanels.size() == 2)
+  /**
+   * Returns a list of distinct view names found in the given list of
+   * components. View names are held on the viewport of an AlignmentPanel.
+   * 
+   * @param comps
+   * @return
+   */
+  protected List<String> getExistingViewNames(List<Component> comps)
+  {
+    List<String> existingNames = new ArrayList<String>();
+    for (Component comp : comps)
     {
-      viewport.gatherViewsHere = true;
+      if (comp instanceof AlignmentPanel)
+      {
+        AlignmentPanel ap = (AlignmentPanel) comp;
+        if (!existingNames.contains(ap.av.viewName))
+        {
+          existingNames.add(ap.av.viewName);
+        }
+      }
     }
-    tabbedPane.setSelectedIndex(tabbedPane.getTabCount() - 1);
-    return newap;
+    return existingNames;
   }
 
+  /**
+   * Explode tabbed views into separate windows.
+   */
   @Override
   public void expandViews_actionPerformed(ActionEvent e)
   {
     Desktop.instance.explodeViews(this);
   }
 
+  /**
+   * Gather views in separate windows back into a tabbed presentation.
+   */
   @Override
   public void gatherViews_actionPerformed(ActionEvent e)
   {
@@ -2590,7 +2818,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     viewport.setShowJVSuffix(seqLimits.isSelected());
 
-    alignPanel.idPanel.idCanvas.setPreferredSize(alignPanel
+    alignPanel.getIdPanel().getIdCanvas().setPreferredSize(alignPanel
             .calculateIdWidth());
     alignPanel.paintAlignment(true);
   }
@@ -2598,14 +2826,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   public void idRightAlign_actionPerformed(ActionEvent e)
   {
-    viewport.rightAlignIds = idRightAlign.isSelected();
+    viewport.setRightAlignIds(idRightAlign.isSelected());
     alignPanel.paintAlignment(true);
   }
 
   @Override
   public void centreColumnLabels_actionPerformed(ActionEvent e)
   {
-    viewport.centreColumnLabels = centreColumnLabelsMenuItem.getState();
+    viewport.setCentreColumnLabels(centreColumnLabelsMenuItem.getState());
     alignPanel.paintAlignment(true);
   }
 
@@ -2617,10 +2845,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   protected void followHighlight_actionPerformed()
   {
+    /*
+     * Set the 'follow' flag on the Viewport (and scroll to position if now
+     * true).
+     */
     if (viewport.followHighlight = this.followHighlightMenuItem.getState())
     {
       alignPanel.scrollToPosition(
-              alignPanel.seqPanel.seqCanvas.searchResults, false);
+              alignPanel.getSeqPanel().seqCanvas.searchResults, false);
     }
   }
 
@@ -2650,7 +2882,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     scaleLeft.setVisible(wrapMenuItem.isSelected());
     scaleRight.setVisible(wrapMenuItem.isSelected());
     viewport.setWrapAlignment(wrapMenuItem.isSelected());
-    alignPanel.setWrapAlignment(wrapMenuItem.isSelected());
+    alignPanel.updateLayout();
   }
 
   @Override
@@ -2670,7 +2902,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   public void hideSelSequences_actionPerformed(ActionEvent e)
   {
     viewport.hideAllSelectedSeqs();
-    alignPanel.paintAlignment(true);
+//    alignPanel.paintAlignment(true);
   }
 
   /**
@@ -2927,7 +3159,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     viewport.setShowSequenceFeaturesHeight(showSeqFeaturesHeight
             .isSelected());
-    if (viewport.getShowSequenceFeaturesHeight())
+    if (viewport.isShowSequenceFeaturesHeight())
     {
       // ensure we're actually displaying features
       viewport.setShowSequenceFeatures(true);
@@ -2941,16 +3173,24 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   /**
-   * DOCUMENT ME!
+   * Action on toggle of the 'Show annotations' menu item. This shows or hides
+   * the annotations panel as a whole.
+   * 
+   * The options to show/hide all annotations should be enabled when the panel
+   * is shown, and disabled when the panel is hidden.
    * 
    * @param e
-   *          DOCUMENT ME!
    */
   @Override
   public void annotationPanelMenuItem_actionPerformed(ActionEvent e)
   {
-    viewport.setShowAnnotation(annotationPanelMenuItem.isSelected());
-    alignPanel.setAnnotationVisible(annotationPanelMenuItem.isSelected());
+    final boolean setVisible = annotationPanelMenuItem.isSelected();
+    viewport.setShowAnnotation(setVisible);
+    this.showAllSeqAnnotations.setEnabled(setVisible);
+    this.hideAllSeqAnnotations.setEnabled(setVisible);
+    this.showAllAlAnnotations.setEnabled(setVisible);
+    this.hideAllAlAnnotations.setEnabled(setVisible);
+    alignPanel.updateLayout();
   }
 
   @Override
@@ -2960,11 +3200,15 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     editPane.setEditable(false);
     StringBuffer contents = new AlignmentProperties(viewport.getAlignment())
             .formatAsHtml();
-    editPane.setText(MessageManager.formatMessage("label.html_content", new String[]{contents.toString()}));
+    editPane.setText(MessageManager.formatMessage("label.html_content",
+            new Object[]
+            { contents.toString() }));
     JInternalFrame frame = new JInternalFrame();
     frame.getContentPane().add(new JScrollPane(editPane));
 
-    Desktop.instance.addInternalFrame(frame, MessageManager.formatMessage("label.alignment_properties", new String[]{getTitle()}), 500, 400);\r
+    Desktop.addInternalFrame(frame, MessageManager.formatMessage(
+            "label.alignment_properties", new Object[]
+            { getTitle() }), 500, 400);
   }
 
   /**
@@ -2984,8 +3228,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     JInternalFrame frame = new JInternalFrame();
     OverviewPanel overview = new OverviewPanel(alignPanel);
     frame.setContentPane(overview);
-    Desktop.addInternalFrame(frame, MessageManager.formatMessage("label.overview_params", new String[]{this.getTitle()}),\r
-            frame.getWidth(), frame.getHeight());
+    Desktop.addInternalFrame(frame, MessageManager.formatMessage(
+            "label.overview_params", new Object[]
+            { this.getTitle() }), frame.getWidth(), frame.getHeight());
     frame.pack();
     frame.setLayer(JLayeredPane.PALETTE_LAYER);
     frame.addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()
@@ -3147,6 +3392,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   @Override
+  public void annotationColumn_actionPerformed(ActionEvent e)
+  {
+    new AnnotationColumnChooser(viewport, alignPanel);
+  }
+
+  @Override
   public void rnahelicesColour_actionPerformed(ActionEvent e)
   {
     new RNAHelicesColourChooser(viewport, alignPanel);
@@ -3181,14 +3432,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       {
         threshold = SliderPanel.setPIDSliderSource(alignPanel, cs,
                 "Background");
-
-        cs.setThreshold(threshold, viewport.getIgnoreGapsConsensus());
-
-        viewport.setGlobalColourScheme(cs);
+        cs.setThreshold(threshold, viewport.isIgnoreGapsConsensus());
       }
       else
       {
-        cs.setThreshold(0, viewport.getIgnoreGapsConsensus());
+        cs.setThreshold(0, viewport.isIgnoreGapsConsensus());
       }
 
       if (viewport.getConservationSelected())
@@ -3251,7 +3499,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                 || cs instanceof PIDColourScheme
                 || cs instanceof Blosum62ColourScheme)
         {
-          sg.cs.setThreshold(threshold, viewport.getIgnoreGapsConsensus());
+          sg.cs.setThreshold(threshold, viewport.isIgnoreGapsConsensus());
 
           sg.cs.setConsensus(AAFrequency.calculate(
                   sg.getSequences(viewport.getHiddenRepSequences()),
@@ -3259,7 +3507,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         }
         else
         {
-          sg.cs.setThreshold(0, viewport.getIgnoreGapsConsensus());
+          sg.cs.setThreshold(0, viewport.isIgnoreGapsConsensus());
         }
 
         if (viewport.getConservationSelected())
@@ -3370,7 +3618,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   public void userDefinedColour_actionPerformed(ActionEvent e)
   {
-    if (e.getActionCommand().equals(MessageManager.getString("action.user_defined")))\r
+    if (e.getActionCommand().equals(
+            MessageManager.getString("action.user_defined")))
     {
       new UserDefinedColours(alignPanel, null);
     }
@@ -3387,8 +3636,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
 
     Component[] menuItems = colourMenu.getMenuComponents();
-    int i, iSize = menuItems.length;
-    for (i = 0; i < iSize; i++)
+    int iSize = menuItems.length;
+    for (int i = 0; i < iSize; i++)
     {
       if (menuItems[i].getName() != null
               && menuItems[i].getName().equals("USER_DEFINED"))
@@ -3419,8 +3668,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
               int option = JOptionPane.showInternalConfirmDialog(
                       jalview.gui.Desktop.desktop,
-                      MessageManager.getString("label.remove_from_default_list"),
-                      MessageManager.getString("label.remove_user_defined_colour"),
+                      MessageManager
+                              .getString("label.remove_from_default_list"),
+                      MessageManager
+                              .getString("label.remove_user_defined_colour"),
                       JOptionPane.YES_NO_OPTION);
               if (option == JOptionPane.YES_OPTION)
               {
@@ -3571,15 +3822,18 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     if ((viewport.getSelectionGroup() == null)
             || (viewport.getSelectionGroup().getSize() < 2))
     {
-      JOptionPane.showInternalMessageDialog(this,
-              MessageManager.getString("label.you_must_select_least_two_sequences"), MessageManager.getString("label.invalid_selection"),
+      JOptionPane.showInternalMessageDialog(this, MessageManager
+              .getString("label.you_must_select_least_two_sequences"),
+              MessageManager.getString("label.invalid_selection"),
               JOptionPane.WARNING_MESSAGE);
     }
     else
     {
       JInternalFrame frame = new JInternalFrame();
       frame.setContentPane(new PairwiseAlignPanel(viewport));
-      Desktop.addInternalFrame(frame, MessageManager.getString("action.pairwise_alignment"), 600, 500);\r
+      Desktop.addInternalFrame(frame,
+              MessageManager.getString("action.pairwise_alignment"), 600,
+              500);
     }
   }
 
@@ -3597,10 +3851,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
             .getSelectionGroup().getSize() > 0))
             || (viewport.getAlignment().getHeight() < 4))
     {
-      JOptionPane.showInternalMessageDialog(this,
-              MessageManager.getString("label.principal_component_analysis_must_take_least_four_input_sequences"),
-              MessageManager.getString("label.sequence_selection_insufficient"),
-              JOptionPane.WARNING_MESSAGE);
+      JOptionPane
+              .showInternalMessageDialog(
+                      this,
+                      MessageManager
+                              .getString("label.principal_component_analysis_must_take_least_four_input_sequences"),
+                      MessageManager
+                              .getString("label.sequence_selection_insufficient"),
+                      JOptionPane.WARNING_MESSAGE);
 
       return;
     }
@@ -3640,7 +3898,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   public void averageDistanceTreeMenuItem_actionPerformed(ActionEvent e)
   {
-    NewTreePanel("AV", "PID", "Average distance tree using PID");
+    newTreePanel("AV", "PID", "Average distance tree using PID");
   }
 
   /**
@@ -3652,7 +3910,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   public void neighbourTreeMenuItem_actionPerformed(ActionEvent e)
   {
-    NewTreePanel("NJ", "PID", "Neighbour joining tree using PID");
+    newTreePanel("NJ", "PID", "Neighbour joining tree using PID");
   }
 
   /**
@@ -3664,7 +3922,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   protected void njTreeBlosumMenuItem_actionPerformed(ActionEvent e)
   {
-    NewTreePanel("NJ", "BL", "Neighbour joining tree using BLOSUM62");
+    newTreePanel("NJ", "BL", "Neighbour joining tree using BLOSUM62");
   }
 
   /**
@@ -3676,7 +3934,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   protected void avTreeBlosumMenuItem_actionPerformed(ActionEvent e)
   {
-    NewTreePanel("AV", "BL", "Average distance tree using BLOSUM62");
+    newTreePanel("AV", "BL", "Average distance tree using BLOSUM62");
   }
 
   /**
@@ -3689,7 +3947,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * @param title
    *          DOCUMENT ME!
    */
-  void NewTreePanel(String type, String pwType, String title)
+  void newTreePanel(String type, String pwType, String title)
   {
     TreePanel tp;
 
@@ -3701,8 +3959,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         JOptionPane
                 .showMessageDialog(
                         Desktop.desktop,
-                        MessageManager.getString("label.you_need_more_two_sequences_selected_build_tree"),
-                        MessageManager.getString("label.not_enough_sequences"), JOptionPane.WARNING_MESSAGE);
+                        MessageManager
+                                .getString("label.you_need_more_two_sequences_selected_build_tree"),
+                        MessageManager
+                                .getString("label.not_enough_sequences"),
+                        JOptionPane.WARNING_MESSAGE);
         return;
       }
 
@@ -3716,8 +3977,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           JOptionPane
                   .showMessageDialog(
                           Desktop.desktop,
-                          MessageManager.getString("label.selected_region_to_tree_may_only_contain_residues_or_gaps"),
-                          MessageManager.getString("label.sequences_selection_not_aligned"),
+                          MessageManager
+                                  .getString("label.selected_region_to_tree_may_only_contain_residues_or_gaps"),
+                          MessageManager
+                                  .getString("label.sequences_selection_not_aligned"),
                           JOptionPane.WARNING_MESSAGE);
 
           return;
@@ -3735,8 +3998,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         JOptionPane
                 .showMessageDialog(
                         Desktop.desktop,
-                        MessageManager.getString("label.sequences_must_be_aligned_before_creating_tree"),
-                        MessageManager.getString("label.sequences_not_aligned"),
+                        MessageManager
+                                .getString("label.sequences_must_be_aligned_before_creating_tree"),
+                        MessageManager
+                                .getString("label.sequences_not_aligned"),
                         JOptionPane.WARNING_MESSAGE);
 
         return;
@@ -3773,7 +4038,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   public void addSortByOrderMenuItem(String title,
           final AlignmentOrder order)
   {
-    final JMenuItem item = new JMenuItem("by " + title);
+    final JMenuItem item = new JMenuItem(MessageManager.formatMessage("action.by_title_param", new Object[]{title}));
     sort.add(item);
     item.addActionListener(new java.awt.event.ActionListener()
     {
@@ -3891,43 +4156,50 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     calculateTree.removeAll();
     // build the calculate menu
-    for (final String type:new String[] {"NJ", "AV"})
+
+    for (final String type : new String[]
+    { "NJ", "AV" })
     {
-      for (final Object pwtype: ResidueProperties.scoreMatrices.keySet())
+      String treecalcnm = MessageManager.getString("label.tree_calc_"
+              + type.toLowerCase());
+      for (final String pwtype : ResidueProperties.scoreMatrices.keySet())
       {
         JMenuItem tm = new JMenuItem();
         ScoreModelI sm = ResidueProperties.scoreMatrices.get(pwtype);
-        final String title="Calculate "+type+" using "+sm.getName();
-        tm.setText(title);// MessageManager.getString("label.neighbour_blosum62"));
-        tm
-                .addActionListener(new java.awt.event.ActionListener()
-                {
-                  public void actionPerformed(ActionEvent e)
-                  {
-                    NewTreePanel(type, (String) pwtype, title);
-                  }
-                });
-        calculateTree.add(tm);
+        if (sm.isProtein() == !viewport.getAlignment().isNucleotide())
+        {
+          String smn = MessageManager.getStringOrReturn(
+                  "label.score_model_", sm.getName());
+          final String title = MessageManager.formatMessage(
+                  "label.treecalc_title", treecalcnm, smn);
+          tm.setText(title);//
+          tm.addActionListener(new java.awt.event.ActionListener()
+          {
+            @Override
+            public void actionPerformed(ActionEvent e)
+            {
+              newTreePanel(type, pwtype, title);
+            }
+          });
+          calculateTree.add(tm);
+        }
 
       }
     }
     sortByTreeMenu.removeAll();
 
-    Vector comps = (Vector) PaintRefresher.components.get(viewport
+    List<Component> comps = PaintRefresher.components.get(viewport
             .getSequenceSetId());
-    Vector treePanels = new Vector();
-    int i, iSize = comps.size();
-    for (i = 0; i < iSize; i++)
+    List<TreePanel> treePanels = new ArrayList<TreePanel>();
+    for (Component comp : comps)
     {
-      if (comps.elementAt(i) instanceof TreePanel)
+      if (comp instanceof TreePanel)
       {
-        treePanels.add(comps.elementAt(i));
+        treePanels.add((TreePanel) comp);
       }
     }
 
-    iSize = treePanels.size();
-
-    if (iSize < 1)
+    if (treePanels.size() < 1)
     {
       sortByTreeMenu.setVisible(false);
       return;
@@ -3935,17 +4207,15 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     sortByTreeMenu.setVisible(true);
 
-    for (i = 0; i < treePanels.size(); i++)
+    for (final TreePanel tp : treePanels)
     {
-      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()
       {
         @Override
         public void actionPerformed(ActionEvent e)
         {
-          tp.sortByTree_actionPerformed(null);
+          tp.sortByTree_actionPerformed();
           addHistoryItem(tp.sortAlignmentIn(alignPanel));
 
         }
@@ -3992,16 +4262,20 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
        */
       msa = viewport.getAlignmentView(true);
     }
+    else if (viewport.getSelectionGroup() != null
+            && viewport.getSelectionGroup().getSize() == 1)
+    {
+      int option = JOptionPane.showConfirmDialog(this,
+              MessageManager.getString("warn.oneseq_msainput_selection"),
+              MessageManager.getString("label.invalid_selection"),
+              JOptionPane.OK_CANCEL_OPTION);
+      if (option == JOptionPane.OK_OPTION)
+      {
+        msa = viewport.getAlignmentView(false);
+      }
+    }
     else
     {
-      /*
-       * Vector seqs = viewport.getAlignment().getSequences();
-       * 
-       * if (seqs.size() > 1) { msa = new SequenceI[seqs.size()];
-       * 
-       * for (int i = 0; i < seqs.size(); i++) { msa[i] = (SequenceI)
-       * seqs.elementAt(i); } }
-       */
       msa = viewport.getAlignmentView(false);
     }
     return msa;
@@ -4049,14 +4323,15 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    *          DOCUMENT ME!
    */
   @Override
-  protected void LoadtreeMenuItem_actionPerformed(ActionEvent e)
+  protected void loadTreeMenuItem_actionPerformed(ActionEvent e)
   {
     // Pick the tree file
     JalviewFileChooser chooser = new JalviewFileChooser(
             jalview.bin.Cache.getProperty("LAST_DIRECTORY"));
     chooser.setFileView(new JalviewFileView());
-    chooser.setDialogTitle(MessageManager.getString("label.select_newick_like_tree_file"));\r
-    chooser.setToolTipText(MessageManager.getString("label.load_tree_file"));\r
+    chooser.setDialogTitle(MessageManager
+            .getString("label.select_newick_like_tree_file"));
+    chooser.setToolTipText(MessageManager.getString("label.load_tree_file"));
 
     int value = chooser.showOpenDialog(null);
 
@@ -4071,14 +4346,20 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         viewport.setCurrentTree(ShowNewickTree(fin, choice).getTree());
       } catch (Exception ex)
       {
-        JOptionPane.showMessageDialog(Desktop.desktop, ex.getMessage(),
-                MessageManager.getString("label.problem_reading_tree_file"), JOptionPane.WARNING_MESSAGE);
+        JOptionPane
+                .showMessageDialog(
+                        Desktop.desktop,
+                        ex.getMessage(),
+                        MessageManager
+                                .getString("label.problem_reading_tree_file"),
+                        JOptionPane.WARNING_MESSAGE);
         ex.printStackTrace();
       }
       if (fin != null && fin.hasWarningMessage())
       {
-        JOptionPane.showMessageDialog(Desktop.desktop,
-                fin.getWarningMessage(), MessageManager.getString("label.possible_problem_with_tree_file"),
+        JOptionPane.showMessageDialog(Desktop.desktop, fin
+                .getWarningMessage(), MessageManager
+                .getString("label.possible_problem_with_tree_file"),
                 JOptionPane.WARNING_MESSAGE);
       }
     }
@@ -4174,7 +4455,6 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       } catch (Exception e)
       {
       }
-      ;
     }
     final AlignFrame me = this;
     buildingMenu = true;
@@ -4183,7 +4463,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       @Override
       public void run()
       {
-        final List<JMenuItem> legacyItems=new ArrayList<JMenuItem>();
+        final List<JMenuItem> legacyItems = new ArrayList<JMenuItem>();
         try
         {
           System.err.println("Building ws menu again "
@@ -4206,6 +4486,16 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           final JMenu seqsrchmenu = new JMenu("Sequence Database Search");
           final JMenu analymenu = new JMenu("Analysis");
           final JMenu dismenu = new JMenu("Protein Disorder");
+          // final JMenu msawsmenu = new
+          // JMenu(MessageManager.getString("label.alignment"));
+          // final JMenu secstrmenu = new
+          // JMenu(MessageManager.getString("label.secondary_structure_prediction"));
+          // final JMenu seqsrchmenu = new
+          // JMenu(MessageManager.getString("label.sequence_database_search"));
+          // final JMenu analymenu = new
+          // JMenu(MessageManager.getString("label.analysis"));
+          // final JMenu dismenu = new
+          // JMenu(MessageManager.getString("label.protein_disorder"));
           // JAL-940 - only show secondary structure prediction services from
           // the legacy server
           if (// Cache.getDefault("SHOW_JWS1_SERVICES", true)
@@ -4216,7 +4506,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
             // be
             // stored or retrieved from elsewhere
             // No MSAWS used any more:
-            // Vector msaws = null; // (Vector) Discoverer.services.get("MsaWS");
+            // Vector msaws = null; // (Vector)
+            // Discoverer.services.get("MsaWS");
             Vector secstrpr = (Vector) Discoverer.services
                     .get("SecStrPred");
             if (secstrpr != null)
@@ -4228,17 +4519,17 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                         .get(i);
                 jalview.ws.WSMenuEntryProviderI impl = jalview.ws.jws1.Discoverer
                         .getServiceClient(sh);
-                int p=secstrmenu.getItemCount();
+                int p = secstrmenu.getItemCount();
                 impl.attachWSMenuEntry(secstrmenu, me);
-                int q=secstrmenu.getItemCount();
-                for (int litm=p;litm<q; litm++)
+                int q = secstrmenu.getItemCount();
+                for (int litm = p; litm < q; litm++)
                 {
                   legacyItems.add(secstrmenu.getItem(litm));
                 }
               }
             }
           }
-          
+
           // Add all submenus in the order they should appear on the web
           // services menu
           wsmenu.add(msawsmenu);
@@ -4269,7 +4560,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                   webService.add(me.webServiceNoServices);
                 }
                 // TODO: move into separate menu builder class.
-                boolean new_sspred=false;
+                boolean new_sspred = false;
                 if (Cache.getDefault("SHOW_JWS2_SERVICES", true))
                 {
                   Jws2Discoverer jws2servs = Jws2Discoverer.getDiscoverer();
@@ -4278,16 +4569,17 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                     if (jws2servs.hasServices())
                     {
                       jws2servs.attachWSMenuEntry(webService, me);
-                      for (Jws2Instance sv:jws2servs.getServices()) {
+                      for (Jws2Instance sv : jws2servs.getServices())
+                      {
                         if (sv.description.toLowerCase().contains("jpred"))
                         {
-                          for (JMenuItem jmi:legacyItems)
+                          for (JMenuItem jmi : legacyItems)
                           {
                             jmi.setVisible(false);
                           }
                         }
                       }
-                      
+
                     }
                     if (jws2servs.isRunning())
                     {
@@ -4317,14 +4609,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                         .debug("Exception during web service menu building process.",
                                 e);
               }
-              ;
             }
           });
         } catch (Exception e)
         {
         }
-        ;
-
         buildingMenu = false;
       }
     }).start();
@@ -4363,12 +4652,6 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               JvSwingUtils.findOrCreateMenu(webService, client.getAction()),
               this);
     }
-
-    if (Cache.getDefault("SHOW_ENFIN_SERVICES", true))
-    {
-      jalview.ws.EnfinEnvision2OneWay.getInstance().attachWSMenuEntry(
-              webService, this);
-    }
   }
 
   /*
@@ -4442,7 +4725,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           public void actionPerformed(ActionEvent e)
           {
             // TODO: new thread for this call with vis-delay
-            af.showProductsFor(af.viewport.getSequenceSelection(), ds,
+            af.showProductsFor(af.viewport.getSequenceSelection(),
                     isRegSel, dna, source);
           }
 
@@ -4461,14 +4744,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     return showp;
   }
 
-  protected void showProductsFor(SequenceI[] sel, Alignment ds,
-          boolean isRegSel, boolean dna, String source)
+  protected void showProductsFor(final SequenceI[] sel,
+          final boolean isRegSel, final boolean dna, final String source)
   {
-    final boolean fisRegSel = isRegSel;
-    final boolean fdna = dna;
-    final String fsrc = source;
-    final AlignFrame ths = this;
-    final SequenceI[] fsel = sel;
     Runnable foo = new Runnable()
     {
 
@@ -4476,15 +4754,16 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       public void run()
       {
         final long sttime = System.currentTimeMillis();
-        ths.setProgressBar("Searching for sequences from " + fsrc, sttime);
+        AlignFrame.this.setProgressBar(MessageManager.formatMessage(
+                "status.searching_for_sequences_from", new Object[]
+                { source }), sttime);
         try
         {
-          Alignment ds = ths.getViewport().getAlignment().getDataset(); // update
-          // our local
-          // dataset
-          // reference
+          // update our local dataset reference
+          Alignment ds = AlignFrame.this.getViewport().getAlignment()
+                  .getDataset();
           Alignment prods = CrossRef
-                  .findXrefSequences(fsel, fdna, fsrc, ds);
+                  .findXrefSequences(sel, dna, source, ds);
           if (prods != null)
           {
             SequenceI[] sprods = new SequenceI[prods.getHeight()];
@@ -4494,29 +4773,53 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               if (ds.getSequences() == null
                       || !ds.getSequences().contains(
                               sprods[s].getDatasetSequence()))
+              {
                 ds.addSequence(sprods[s].getDatasetSequence());
+              }
               sprods[s].updatePDBIds();
             }
             Alignment al = new Alignment(sprods);
-            AlignedCodonFrame[] cf = prods.getCodonFrames();
+            Set<AlignedCodonFrame> cf = prods.getCodonFrames();
             al.setDataset(ds);
-            for (int s = 0; cf != null && s < cf.length; s++)
+            for (AlignedCodonFrame acf : cf)
             {
-              al.addCodonFrame(cf[s]);
-              cf[s] = null;
+              al.addCodonFrame(acf);
             }
             AlignFrame naf = new AlignFrame(al, DEFAULT_WIDTH,
                     DEFAULT_HEIGHT);
-            String newtitle = "" + ((fdna) ? "Proteins " : "Nucleotides ")
-                    + " for " + ((fisRegSel) ? "selected region of " : "")
+            String newtitle = "" + ((dna) ? "Proteins" : "Nucleotides")
+                    + " for " + ((isRegSel) ? "selected region of " : "")
                     + getTitle();
-            Desktop.addInternalFrame(naf, newtitle, DEFAULT_WIDTH,
-                    DEFAULT_HEIGHT);
+            naf.setTitle(newtitle);
+
+            // remove this flag once confirmed we want a split view
+            boolean asSplitFrame = true;
+            if (asSplitFrame)
+            {
+              final Alignment copyAlignment = new Alignment(new Alignment(
+                      AlignFrame.this.viewport.getSequenceSelection()));
+              AlignFrame copyThis = new AlignFrame(copyAlignment,
+                      AlignFrame.DEFAULT_WIDTH, AlignFrame.DEFAULT_HEIGHT);
+              copyThis.setTitle(AlignFrame.this.getTitle());
+              // SplitFrame with dna above, protein below
+              SplitFrame sf = new SplitFrame(dna ? copyThis : naf,
+                      dna ? naf : copyThis);
+              naf.setVisible(true);
+              copyThis.setVisible(true);
+              String linkedTitle = MessageManager
+                      .getString("label.linked_view_title");
+              Desktop.addInternalFrame(sf, linkedTitle, -1, -1);
+            }
+            else
+            {
+              Desktop.addInternalFrame(naf, newtitle, DEFAULT_WIDTH,
+                      DEFAULT_HEIGHT);
+            }
           }
           else
           {
             System.err.println("No Sequences generated for xRef type "
-                    + fsrc);
+                    + source);
           }
         } catch (Exception e)
         {
@@ -4530,7 +4833,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           jalview.bin.Cache.log.error("Error when finding crossreferences",
                   e);
         }
-        ths.setProgressBar("Finished searching for sequences from " + fsrc,
+        AlignFrame.this.setProgressBar(MessageManager.formatMessage(
+                "status.finished_searching_for_sequences_from",
+                new Object[]
+                { source }),
                 sttime);
       }
 
@@ -4556,81 +4862,63 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
   }
 
+  /**
+   * Construct and display a new frame containing the translation of this
+   * frame's DNA sequences to their aligned protein (amino acid) equivalents.
+   */
   @Override
-  public void showProducts_actionPerformed(ActionEvent e)
+  public void showTranslation_actionPerformed(ActionEvent e)
   {
-    // /////////////////////////////
-    // Collect Data to be translated/transferred
-
-    SequenceI[] selection = viewport.getSequenceSelection();
     AlignmentI al = null;
     try
     {
-      al = jalview.analysis.Dna.CdnaTranslate(selection, viewport
-              .getViewAsVisibleContigs(true), viewport.getGapCharacter(),
-              viewport.getAlignment().getDataset());
+      Dna dna = new Dna(viewport, viewport.getViewAsVisibleContigs(true));
+
+      al = dna.translateCdna();
     } catch (Exception ex)
     {
-      al = null;
-      jalview.bin.Cache.log.debug("Exception during translation.", ex);
+      jalview.bin.Cache.log.error(
+              "Exception during translation. Please report this !", ex);
+      final String msg = MessageManager
+              .getString("label.error_when_translating_sequences_submit_bug_report");
+      final String title = MessageManager
+              .getString("label.implementation_error")
+              + MessageManager.getString("translation_failed");
+      JOptionPane.showMessageDialog(Desktop.desktop, msg, title,
+              JOptionPane.ERROR_MESSAGE);
+      return;
     }
-    if (al == null)
+    if (al == null || al.getHeight() == 0)
     {
-      JOptionPane
-              .showMessageDialog(
-                      Desktop.desktop,
-                      MessageManager.getString("label.select_at_least_three_bases_in_at_least_one_sequence_to_cDNA_translation"),
-                      MessageManager.getString("label.translation_failed"), JOptionPane.WARNING_MESSAGE);
+      final String msg = MessageManager
+              .getString("label.select_at_least_three_bases_in_at_least_one_sequence_to_cDNA_translation");
+      final String title = MessageManager
+              .getString("label.translation_failed");
+      JOptionPane.showMessageDialog(Desktop.desktop, msg, title,
+              JOptionPane.WARNING_MESSAGE);
     }
     else
     {
       AlignFrame af = new AlignFrame(al, DEFAULT_WIDTH, DEFAULT_HEIGHT);
-      Desktop.addInternalFrame(af, MessageManager.formatMessage("label.translation_of_params", new String[]{this.getTitle()}),\r
-              DEFAULT_WIDTH, DEFAULT_HEIGHT);
+      af.setFileFormat(this.currentFileFormat);
+      final String newTitle = MessageManager.formatMessage(
+              "label.translation_of_params", new Object[]
+              { this.getTitle() });
+      af.setTitle(newTitle);
+      final SequenceI[] seqs = viewport.getSelectionAsNewSequence();
+      viewport.openSplitFrame(af, new Alignment(seqs), al.getCodonFrames());
+      // Desktop.addInternalFrame(af, newTitle, DEFAULT_WIDTH, DEFAULT_HEIGHT);
     }
   }
 
-  @Override
-  public void showTranslation_actionPerformed(ActionEvent e)
+  /**
+   * Set the file format
+   * 
+   * @param fileFormat
+   */
+  public void setFileFormat(String fileFormat)
   {
-    // /////////////////////////////
-    // Collect Data to be translated/transferred
-
-    SequenceI[] selection = viewport.getSequenceSelection();
-    String[] seqstring = viewport.getViewAsString(true);
-    AlignmentI al = null;
-    try
-    {
-      al = jalview.analysis.Dna.CdnaTranslate(selection, seqstring,
-              viewport.getViewAsVisibleContigs(true), viewport
-                      .getGapCharacter(), viewport.getAlignment()
-                      .getAlignmentAnnotation(), viewport.getAlignment()
-                      .getWidth(), viewport.getAlignment().getDataset());
-    } catch (Exception ex)
-    {
-      al = null;
-      jalview.bin.Cache.log.error("Exception during translation. Please report this !", ex);
-      JOptionPane
-      .showMessageDialog(
-              Desktop.desktop,
-              MessageManager.getString("label.error_when_translating_sequences_submit_bug_report"),
-              MessageManager.getString("label.implementation_error") + MessageManager.getString("translation_failed"), JOptionPane.ERROR_MESSAGE);
-      return;
-    }
-    if (al == null)
-    {
-      JOptionPane
-              .showMessageDialog(
-                      Desktop.desktop,
-                      MessageManager.getString("label.select_at_least_three_bases_in_at_least_one_sequence_to_cDNA_translation"),
-                      MessageManager.getString("label.translation_failed"), JOptionPane.WARNING_MESSAGE);
-    }
-    else
-    {
-      AlignFrame af = new AlignFrame(al, DEFAULT_WIDTH, DEFAULT_HEIGHT);
-      Desktop.addInternalFrame(af, MessageManager.formatMessage("label.translation_of_params", new String[]{this.getTitle()}),\r
-              DEFAULT_WIDTH, DEFAULT_HEIGHT);
-    }
+    this.currentFileFormat = fileFormat;
   }
 
   /**
@@ -4648,8 +4936,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     try
     {
       featuresFile = new FeaturesFile(file, type).parse(viewport
-              .getAlignment().getDataset(), alignPanel.seqPanel.seqCanvas
-              .getFeatureRenderer().featureColours, false,
+              .getAlignment().getDataset(), alignPanel.getSeqPanel().seqCanvas
+              .getFeatureRenderer().getFeatureColours(), false,
               jalview.bin.Cache.getDefault("RELAXEDSEQIDMATCHING", false));
     } catch (Exception ex)
     {
@@ -4658,12 +4946,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     if (featuresFile)
     {
-      viewport.showSequenceFeatures = true;
+      viewport.setShowSequenceFeatures(true);
       showSeqFeatures.setSelected(true);
-      if (alignPanel.seqPanel.seqCanvas.fr != null)
+      if (alignPanel.getSeqPanel().seqCanvas.fr != null)
       {
         // update the min/max ranges where necessary
-        alignPanel.seqPanel.seqCanvas.fr.findAllFeatures(true);
+        alignPanel.getSeqPanel().seqCanvas.fr.findAllFeatures(true);
       }
       if (featureSettings != null)
       {
@@ -4822,9 +5110,16 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                   || JOptionPane
                           .showConfirmDialog(
                                   this,
-                                  MessageManager.formatMessage("label.automatically_associate_pdb_files_with_sequences_same_name",
-                                                 new String[]{Integer.valueOf(filesmatched.size()).toString()}),
-                                  MessageManager.getString("label.automatically_associate_pdb_files_by_name"),
+                                  MessageManager
+                                          .formatMessage(
+                                                  "label.automatically_associate_pdb_files_with_sequences_same_name",
+                                                  new Object[]
+                                                  { Integer.valueOf(
+                                                          filesmatched
+                                                                  .size())
+                                                          .toString() }),
+                                  MessageManager
+                                          .getString("label.automatically_associate_pdb_files_by_name"),
                                   JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION)
 
           {
@@ -4837,7 +5132,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               {
                 PDBEntry pe = new AssociatePdbFileWithSeq()
                         .associatePdbWithSeq((String) fm[0],
-                                (String) fm[1], toassoc, false);
+                                (String) fm[1], toassoc, false,
+                                Desktop.instance);
                 if (pe != null)
                 {
                   System.err.println("Associated file : "
@@ -4857,8 +5153,16 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                           "AUTOASSOCIATE_PDBANDSEQS_IGNOREOTHERS", false) || JOptionPane
                           .showConfirmDialog(
                                   this,
-                                  MessageManager.formatMessage("label.ignore_unmatched_dropped_files_info", new String[]{Integer.valueOf(filesnotmatched.size()).toString()}),
-                                  MessageManager.getString("label.ignore_unmatched_dropped_files"),
+                                  "<html>"+MessageManager
+                                          .formatMessage(
+                                                  "label.ignore_unmatched_dropped_files_info",
+                                                  new Object[]
+                                                  { Integer.valueOf(
+                                                          filesnotmatched
+                                                                  .size())
+                                                          .toString() })+"</html>",
+                                  MessageManager
+                                          .getString("label.ignore_unmatched_dropped_files"),
                                   JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION))
           {
             return;
@@ -4899,7 +5203,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       // try to parse as annotation.
       boolean isAnnotation = (format == null || format
               .equalsIgnoreCase("PFAM")) ? new AnnotationFile()
-              .readAnnotationFile(viewport.getAlignment(), file, protocol)
+              .annotateAlignmentView(viewport, file, protocol)
               : false;
 
       if (!isAnnotation)
@@ -4917,7 +5221,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               tcoffeeColour.setSelected(true);
               changeColour(new TCoffeeColourScheme(viewport.getAlignment()));
               isAnnotation = true;
-              statusBar.setText(MessageManager.getString("label.successfully_pasted_tcoffee_scores_to_alignment"));
+              statusBar
+                      .setText(MessageManager
+                              .getString("label.successfully_pasted_tcoffee_scores_to_alignment"));
             }
             else
             {
@@ -4926,9 +5232,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               JOptionPane
                       .showMessageDialog(
                               Desktop.desktop,
-                              tcf.getWarningMessage() == null ? MessageManager.getString("label.check_file_matches_sequence_ids_alignment")
+                              tcf.getWarningMessage() == null ? MessageManager
+                                      .getString("label.check_file_matches_sequence_ids_alignment")
                                       : tcf.getWarningMessage(),
-                              MessageManager.getString("label.problem_reading_tcoffee_score_file"),
+                              MessageManager
+                                      .getString("label.problem_reading_tcoffee_score_file"),
                               JOptionPane.WARNING_MESSAGE);
             }
           }
@@ -4956,8 +5264,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           {
             jalview.io.JPredFile predictions = new jalview.io.JPredFile(
                     file, protocol);
-            new JnetAnnotationMaker().add_annotation(predictions,
+            new JnetAnnotationMaker();
+            JnetAnnotationMaker.add_annotation(predictions,
                     viewport.getAlignment(), 0, false);
+            SequenceI repseq = viewport.getAlignment().getSequenceAt(0);
+            viewport.getAlignment().setSeqrep(repseq);
+            ColumnSelection cs = new ColumnSelection();
+            cs.hideInsertionsFor(repseq);
+            viewport.setColumnSelection(cs);
             isAnnotation = true;
           }
           else
@@ -5028,30 +5342,55 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
   }
 
+  /**
+   * Method invoked by the ChangeListener on the tabbed pane, in other words
+   * when a different tabbed pane is selected by the user or programmatically.
+   */
   @Override
   public void tabSelectionChanged(int index)
   {
     if (index > -1)
     {
-      alignPanel = (AlignmentPanel) alignPanels.elementAt(index);
+      alignPanel = alignPanels.get(index);
       viewport = alignPanel.av;
       avc.setViewportAndAlignmentPanel(viewport, alignPanel);
       setMenusFromViewport(viewport);
     }
+
+    /*
+     * If there is a frame linked to this one in a SplitPane, switch it to the
+     * same view tab index. No infinite recursion of calls should happen, since
+     * tabSelectionChanged() should not get invoked on setting the selected
+     * index to an unchanged value. Guard against setting an invalid index
+     * before the new view peer tab has been created.
+     */
+    final AlignViewportI peer = viewport.getCodingComplement();
+    if (peer != null)
+    {
+      AlignFrame linkedAlignFrame = ((AlignViewport) peer).getAlignPanel().alignFrame;
+      if (linkedAlignFrame.tabbedPane.getTabCount() > index)
+      {
+        linkedAlignFrame.tabbedPane.setSelectedIndex(index);
+      }
+    }
   }
 
+  /**
+   * On right mouse click on view tab, prompt for and set new view name.
+   */
   @Override
   public void tabbedPane_mousePressed(MouseEvent e)
   {
     if (SwingUtilities.isRightMouseButton(e))
     {
-      String reply = JOptionPane.showInternalInputDialog(this,
-              MessageManager.getString("label.enter_view_name"), MessageManager.getString("label.enter_view_name"),
+      String msg = MessageManager.getString("label.enter_view_name");
+      String reply = JOptionPane.showInternalInputDialog(this, msg, msg,
               JOptionPane.QUESTION_MESSAGE);
 
       if (reply != null)
       {
         viewport.viewName = reply;
+        // TODO warn if reply is in getExistingViewNames()?
         tabbedPane.setTitleAt(tabbedPane.getSelectedIndex(), reply);
       }
     }
@@ -5091,7 +5430,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   protected void showDbRefs_actionPerformed(ActionEvent e)
   {
-    viewport.setShowDbRefs(showDbRefsMenuitem.isSelected());
+    viewport.setShowDBRefs(showDbRefsMenuitem.isSelected());
   }
 
   /*
@@ -5103,7 +5442,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   protected void showNpFeats_actionPerformed(ActionEvent e)
   {
-    viewport.setShowNpFeats(showNpFeatsMenuitem.isSelected());
+    viewport.setShowNPFeats(showNpFeatsMenuitem.isSelected());
   }
 
   /**
@@ -5112,7 +5451,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * 
    * @param av
    */
-  public boolean closeView(AlignViewport av)
+  public boolean closeView(AlignViewportI av)
   {
     if (viewport == av)
     {
@@ -5141,12 +5480,32 @@ 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
-    final JMenu rfetch = new JMenu(MessageManager.getString("action.fetch_db_references"));\r
-    rfetch.setToolTipText(MessageManager.getString("label.retrieve_parse_sequence_database_records_alignment_or_selected_sequences"));\r
+    final JMenu rfetch = new JMenu(
+            MessageManager.getString("action.fetch_db_references"));
+    rfetch.setToolTipText(MessageManager
+            .getString("label.retrieve_parse_sequence_database_records_alignment_or_selected_sequences"));
     webService.add(rfetch);
 
-    JMenuItem fetchr = new JMenuItem(MessageManager.getString("label.standard_databases"));\r
-    fetchr.setToolTipText(MessageManager.getString("label.fetch_embl_uniprot"));\r
+    final JCheckBoxMenuItem trimrs = new JCheckBoxMenuItem(
+            MessageManager.getString("option.trim_retrieved_seqs"));
+    trimrs.setToolTipText(MessageManager
+            .getString("label.trim_retrieved_sequences"));
+    trimrs.setSelected(Cache.getDefault("TRIM_FETCHED_DATASET_SEQS", true));
+    trimrs.addActionListener(new ActionListener()
+    {
+      @Override
+      public void actionPerformed(ActionEvent e)
+      {
+        trimrs.setSelected(trimrs.isSelected());
+        Cache.setProperty("TRIM_FETCHED_DATASET_SEQS",
+                Boolean.valueOf(trimrs.isSelected()).toString());
+      };
+    });
+    rfetch.add(trimrs);
+    JMenuItem fetchr = new JMenuItem(
+            MessageManager.getString("label.standard_databases"));
+    fetchr.setToolTipText(MessageManager
+            .getString("label.fetch_embl_uniprot"));
     fetchr.addActionListener(new ActionListener()
     {
 
@@ -5238,9 +5597,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                   }
 
                 });
-                fetchr.setToolTipText("<html>"
-                        + JvSwingUtils.wrapTooltip("Retrieve from "
-                                + src.getDbName()) + "<html>");
+                fetchr.setToolTipText(JvSwingUtils.wrapTooltip(true, MessageManager.formatMessage("label.fetch_retrieve_from", new Object[]{src.getDbName()})));
                 dfetch.add(fetchr);
                 comp++;
               }
@@ -5250,7 +5607,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                         .toArray(new DbSourceProxy[0]);
                 // fetch all entry
                 DbSourceProxy src = otherdb.get(0);
-                fetchr = new JMenuItem(MessageManager.formatMessage("label.fetch_all_param", new String[]{src.getDbSource()}));\r
+                fetchr = new JMenuItem(MessageManager.formatMessage(
+                        "label.fetch_all_param", new Object[]
+                        { src.getDbSource() }));
                 fetchr.addActionListener(new ActionListener()
                 {
                   @Override
@@ -5271,15 +5630,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                   }
                 });
 
-                fetchr.setToolTipText("<html>"
-                        + JvSwingUtils.wrapTooltip("Retrieve from all "
-                                + otherdb.size() + " sources in "
-                                + src.getDbSource() + "<br>First is :"
-                                + src.getDbName()) + "<html>");
+                fetchr.setToolTipText(JvSwingUtils.wrapTooltip(true, MessageManager.formatMessage("label.fetch_retrieve_from_all_sources", new Object[]{Integer.valueOf(otherdb.size()).toString(), src.getDbSource(), src.getDbName()})));
                 dfetch.add(fetchr);
                 comp++;
                 // and then build the rest of the individual menus
-                ifetch = new JMenu("Sources from " + src.getDbSource());
+                ifetch = new JMenu(MessageManager.formatMessage("label.source_from_db_source", new Object[]{src.getDbSource()}));
                 icomp = 0;
                 String imname = null;
                 int i = 0;
@@ -5292,7 +5647,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                           0, 10) + "..." : dbname;
                   if (imname == null)
                   {
-                    imname = "from '" + sname + "'";
+                    imname = MessageManager.formatMessage("label.from_msname", new Object[]{sname});
                   }
                   fetchr = new JMenuItem(msname);
                   final DbSourceProxy[] dassrc =
@@ -5319,13 +5674,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
                   });
                   fetchr.setToolTipText("<html>"
-                          + JvSwingUtils.wrapTooltip("Retrieve from "
-                                  + dbname) + "</html>");
+                          + MessageManager.formatMessage("label.fetch_retrieve_from", new Object[]{dbname}));
                   ifetch.add(fetchr);
                   ++i;
                   if (++icomp >= mcomp || i == (otherdb.size()))
                   {
-                    ifetch.setText(MessageManager.formatMessage("label.source_to_target",imname,sname));
+                    ifetch.setText(MessageManager.formatMessage(
+                            "label.source_to_target", imname, sname));
                     dfetch.add(ifetch);
                     ifetch = new JMenu();
                     imname = null;
@@ -5337,7 +5692,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               ++dbi;
               if (comp >= mcomp || dbi >= (dbclasses.length))
               {
-                dfetch.setText(MessageManager.formatMessage("label.source_to_target",mname,dbclass));
+                dfetch.setText(MessageManager.formatMessage(
+                        "label.source_to_target", mname, dbclass));
                 rfetch.add(dfetch);
                 dfetch = new JMenu();
                 mname = null;
@@ -5475,7 +5831,18 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   protected void makeGrpsFromSelection_actionPerformed(ActionEvent e)
   {
-    if (avc.makeGroupsFromSelection()) {
+    if (avc.makeGroupsFromSelection())
+    {
+      PaintRefresher.Refresh(this, viewport.getSequenceSetId());
+      alignPanel.updateAnnotation();
+      alignPanel.paintAlignment(true);
+    }
+  }
+  public void clearAlignmentSeqRep()
+  {
+    // TODO refactor alignmentseqrep to controller
+    if (viewport.getAlignment().hasSeqrep()) {
+      viewport.getAlignment().setSeqrep(null);
       PaintRefresher.Refresh(this, viewport.getSequenceSetId());
       alignPanel.updateAnnotation();
       alignPanel.paintAlignment(true);
@@ -5510,16 +5877,127 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     if (!viewport.getSequenceSetId().equals(
             alignmentPanel.av.getSequenceSetId()))
     {
-      throw new Error(
-              "Implementation error: cannot show a view from another alignment in an AlignFrame.");
+      throw new Error(MessageManager.getString("error.implementation_error_cannot_show_view_alignment_frame"));
     }
     if (tabbedPane != null
-            & alignPanels.indexOf(alignmentPanel) != tabbedPane
+            && tabbedPane.getTabCount() > 0
+            && alignPanels.indexOf(alignmentPanel) != tabbedPane
                     .getSelectedIndex())
     {
       tabbedPane.setSelectedIndex(alignPanels.indexOf(alignmentPanel));
     }
   }
+
+  /**
+   * Action on selection of menu options to Show or Hide annotations.
+   * 
+   * @param visible
+   * @param forSequences
+   *          update sequence-related annotations
+   * @param forAlignment
+   *          update non-sequence-related annotations
+   */
+  @Override
+  protected void setAnnotationsVisibility(boolean visible,
+          boolean forSequences, boolean forAlignment)
+  {
+    for (AlignmentAnnotation aa : alignPanel.getAlignment()
+            .getAlignmentAnnotation())
+    {
+      boolean apply = (aa.sequenceRef == null && forAlignment)
+              || (aa.sequenceRef != null && forSequences);
+      if (apply)
+      {
+        aa.visible = visible;
+      }
+    }
+    alignPanel.validateAnnotationDimensions(false);
+    alignPanel.alignmentChanged();
+  }
+
+  /**
+   * Store selected annotation sort order for the view and repaint.
+   */
+  @Override
+  protected void sortAnnotations_actionPerformed()
+  {
+    this.alignPanel.av.setSortAnnotationsBy(getAnnotationSortOrder());
+    this.alignPanel.av
+            .setShowAutocalculatedAbove(isShowAutoCalculatedAbove());
+    alignPanel.paintAlignment(true);
+  }
+
+  /**
+   * 
+   * @return alignment panels in this alignment frame
+   */
+  public List<? extends AlignmentViewPanel> getAlignPanels()
+  {
+    return alignPanels == null ? Arrays.asList(alignPanel)
+            : alignPanels;
+  }
+
+  /**
+   * Open a new alignment window, with the cDNA associated with this (protein)
+   * alignment, aligned as is the protein.
+   */
+  protected void viewAsCdna_actionPerformed()
+  {
+    // TODO no longer a menu action - refactor as required
+    final AlignmentI alignment = getViewport().getAlignment();
+    Set<AlignedCodonFrame> mappings = alignment.getCodonFrames();
+    if (mappings == null)
+    {
+      return;
+    }
+    List<SequenceI> cdnaSeqs = new ArrayList<SequenceI>();
+    for (SequenceI aaSeq : alignment.getSequences()) {
+      for (AlignedCodonFrame acf : mappings) {
+        SequenceI dnaSeq = acf.getDnaForAaSeq(aaSeq.getDatasetSequence());
+        if (dnaSeq != null)
+        {
+          /*
+           * There is a cDNA mapping for this protein sequence - add to new
+           * alignment. It will share the same dataset sequence as other mapped
+           * cDNA (no new mappings need to be created).
+           */
+          final Sequence newSeq = new Sequence(dnaSeq);
+          newSeq.setDatasetSequence(dnaSeq);
+          cdnaSeqs.add(newSeq);
+        }
+      }
+    }
+    if (cdnaSeqs.size() == 0)
+    {
+      // show a warning dialog no mapped cDNA
+      return;
+    }
+    AlignmentI cdna = new Alignment(cdnaSeqs.toArray(new SequenceI[cdnaSeqs
+            .size()]));
+    AlignFrame alignFrame = new AlignFrame(cdna, AlignFrame.DEFAULT_WIDTH,
+            AlignFrame.DEFAULT_HEIGHT);
+    cdna.alignAs(alignment);
+    String newtitle = "cDNA " + MessageManager.getString("label.for") + " "
+            + this.title;
+    Desktop.addInternalFrame(alignFrame, newtitle,
+            AlignFrame.DEFAULT_WIDTH,
+            AlignFrame.DEFAULT_HEIGHT);
+  }
+
+  /**
+   * Set visibility of dna/protein complement view (available when shown in a
+   * split frame).
+   * 
+   * @param show
+   */
+  @Override
+  protected void showComplement_actionPerformed(boolean show)
+  {
+    SplitContainerI sf = getSplitViewContainer();
+    if (sf != null) {
+      sf.setComplementVisible(this, show);
+    }
+  }
 }
 
 class PrintThread extends Thread