apply version 2.7 copyright
[jalview.git] / src / jalview / gui / AlignFrame.java
index 7adbd07..2ecd947 100755 (executable)
 /*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.4)
- * Copyright (C) 2008 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
+ * Copyright (C) 2011 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
  * 
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
+ * This file is part of Jalview.
  * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License 
+ * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
  * 
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ * Jalview is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranty 
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
+ * PURPOSE.  See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
  */
 package jalview.gui;
 
-import java.beans.*;
-import java.io.*;
-import java.util.*;
-
-import java.awt.*;
-import java.awt.datatransfer.*;
-import java.awt.dnd.*;
-import java.awt.event.*;
-import java.awt.print.*;
-import javax.swing.*;
-import javax.swing.event.MenuEvent;
-
-import jalview.analysis.*;
-import jalview.commands.*;
-import jalview.datamodel.*;
-import jalview.io.*;
-import jalview.jbgui.*;
-import jalview.schemes.*;
-import jalview.ws.*;
+import jalview.analysis.AAFrequency;
+import jalview.analysis.AlignmentSorter;
+import jalview.analysis.Conservation;
+import jalview.analysis.CrossRef;
+import jalview.analysis.NJTree;
+import jalview.analysis.ParseProperties;
+import jalview.analysis.SequenceIdMatcher;
+import jalview.bin.Cache;
+import jalview.commands.CommandI;
+import jalview.commands.EditCommand;
+import jalview.commands.OrderCommand;
+import jalview.commands.RemoveGapColCommand;
+import jalview.commands.RemoveGapsCommand;
+import jalview.commands.SlideSequencesCommand;
+import jalview.commands.TrimRegionCommand;
+import jalview.datamodel.AlignedCodonFrame;
+import jalview.datamodel.Alignment;
+import jalview.datamodel.AlignmentAnnotation;
+import jalview.datamodel.AlignmentI;
+import jalview.datamodel.AlignmentOrder;
+import jalview.datamodel.AlignmentView;
+import jalview.datamodel.ColumnSelection;
+import jalview.datamodel.PDBEntry;
+import jalview.datamodel.SeqCigar;
+import jalview.datamodel.Sequence;
+import jalview.datamodel.SequenceGroup;
+import jalview.datamodel.SequenceI;
+import jalview.io.AlignmentProperties;
+import jalview.io.AnnotationFile;
+import jalview.io.FeaturesFile;
+import jalview.io.FileLoader;
+import jalview.io.FormatAdapter;
+import jalview.io.HTMLOutput;
+import jalview.io.IdentifyFile;
+import jalview.io.JalviewFileChooser;
+import jalview.io.JalviewFileView;
+import jalview.io.JnetAnnotationMaker;
+import jalview.io.NewickFile;
+import jalview.jbgui.GAlignFrame;
+import jalview.schemes.Blosum62ColourScheme;
+import jalview.schemes.BuriedColourScheme;
+import jalview.schemes.ClustalxColourScheme;
+import jalview.schemes.ColourSchemeI;
+import jalview.schemes.ColourSchemeProperty;
+import jalview.schemes.HelixColourScheme;
+import jalview.schemes.HydrophobicColourScheme;
+import jalview.schemes.NucleotideColourScheme;
+import jalview.schemes.PIDColourScheme;
+import jalview.schemes.ResidueProperties;
+import jalview.schemes.StrandColourScheme;
+import jalview.schemes.TaylorColourScheme;
+import jalview.schemes.TurnColourScheme;
+import jalview.schemes.UserColourScheme;
+import jalview.schemes.ZappoColourScheme;
+import jalview.ws.WSMenuEntryProviderI;
+import jalview.ws.jws1.Discoverer;
+import jalview.ws.jws2.Jws2Discoverer;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.GridLayout;
+import java.awt.Rectangle;
+import java.awt.Toolkit;
+import java.awt.datatransfer.Clipboard;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.StringSelection;
+import java.awt.datatransfer.Transferable;
+import java.awt.dnd.DnDConstants;
+import java.awt.dnd.DropTargetDragEvent;
+import java.awt.dnd.DropTargetDropEvent;
+import java.awt.dnd.DropTargetEvent;
+import java.awt.dnd.DropTargetListener;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.print.PageFormat;
+import java.awt.print.PrinterJob;
+import java.beans.PropertyChangeEvent;
+import java.io.File;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.Hashtable;
+import java.util.Vector;
+
+import javax.swing.JButton;
+import javax.swing.JEditorPane;
+import javax.swing.JInternalFrame;
+import javax.swing.JLabel;
+import javax.swing.JLayeredPane;
+import javax.swing.JMenu;
+import javax.swing.JMenuItem;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JProgressBar;
+import javax.swing.JRadioButtonMenuItem;
+import javax.swing.JScrollPane;
+import javax.swing.SwingUtilities;
 
 /**
  * DOCUMENT ME!
@@ -47,6 +129,7 @@ import jalview.ws.*;
 public class AlignFrame extends GAlignFrame implements DropTargetListener,
         IProgressIndicator
 {
+
   /** DOCUMENT ME!! */
   public static final int DEFAULT_WIDTH = 700;
 
@@ -70,10 +153,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   String fileName = null;
 
   /**
-   * Creates a new AlignFrame object.
+   * Creates a new AlignFrame object with specific width and height.
    * 
    * @param al
-   *                DOCUMENT ME!
+   * @param width
+   * @param height
    */
   public AlignFrame(AlignmentI al, int width, int height)
   {
@@ -81,18 +165,89 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   /**
+   * Creates a new AlignFrame object with specific width, height and
+   * sequenceSetId
+   * 
+   * @param al
+   * @param width
+   * @param height
+   * @param sequenceSetId
+   */
+  public AlignFrame(AlignmentI al, int width, int height,
+          String sequenceSetId)
+  {
+    this(al, null, width, height, sequenceSetId);
+  }
+
+  /**
+   * Creates a new AlignFrame object with specific width, height and
+   * sequenceSetId
+   * 
+   * @param al
+   * @param width
+   * @param height
+   * @param sequenceSetId
+   * @param viewId
+   */
+  public AlignFrame(AlignmentI al, int width, int height,
+          String sequenceSetId, String viewId)
+  {
+    this(al, null, width, height, sequenceSetId, viewId);
+  }
+
+  /**
    * new alignment window with hidden columns
    * 
    * @param al
-   *                AlignmentI
+   *          AlignmentI
    * @param hiddenColumns
-   *                ColumnSelection or null
+   *          ColumnSelection or null
+   * @param width
+   *          Width of alignment frame
+   * @param height
+   *          height of frame.
    */
   public AlignFrame(AlignmentI al, ColumnSelection hiddenColumns,
           int width, int height)
   {
-    this.setSize(width, height);
-    viewport = new AlignViewport(al, hiddenColumns);
+    this(al, hiddenColumns, width, height, null);
+  }
+
+  /**
+   * Create alignment frame for al with hiddenColumns, a specific width and
+   * height, and specific sequenceId
+   * 
+   * @param al
+   * @param hiddenColumns
+   * @param width
+   * @param height
+   * @param sequenceSetId
+   *          (may be null)
+   */
+  public AlignFrame(AlignmentI al, ColumnSelection hiddenColumns,
+          int width, int height, String sequenceSetId)
+  {
+    this(al, hiddenColumns, width, height, sequenceSetId, null);
+  }
+
+  /**
+   * Create alignment frame for al with hiddenColumns, a specific width and
+   * height, and specific sequenceId
+   * 
+   * @param al
+   * @param hiddenColumns
+   * @param width
+   * @param height
+   * @param sequenceSetId
+   *          (may be null)
+   * @param viewId
+   *          (may be null)
+   */
+  public AlignFrame(AlignmentI al, ColumnSelection hiddenColumns,
+          int width, int height, String sequenceSetId, String viewId)
+  {
+    setSize(width, height);
+    viewport = new AlignViewport(al, hiddenColumns, sequenceSetId, viewId);
 
     alignPanel = new AlignmentPanel(this, viewport);
 
@@ -109,9 +264,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * Make a new AlignFrame from exisiting alignmentPanels
    * 
    * @param ap
-   *                AlignmentPanel
+   *          AlignmentPanel
    * @param av
-   *                AlignViewport
+   *          AlignViewport
    */
   public AlignFrame(AlignmentPanel ap)
   {
@@ -121,6 +276,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     init();
   }
 
+  /**
+   * initalise the alignframe from the underlying viewport data and the
+   * configurations
+   */
   void init()
   {
     if (viewport.conservation == null)
@@ -173,9 +332,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * button functionality.
    * 
    * @param file
-   *                valid filename
+   *          valid filename
    * @param format
-   *                format of file
+   *          format of file
    */
   public void setFileName(String file, String format)
   {
@@ -329,39 +488,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         {
           boolean toggleSeqs = !evt.isControlDown();
           boolean toggleCols = !evt.isShiftDown();
-
-          boolean hide = false;
-
-          SequenceGroup sg = viewport.getSelectionGroup();
-          if (toggleSeqs)
-          {
-            if (sg != null
-                    && sg.getSize() != viewport.alignment.getHeight())
-            {
-              hideSelSequences_actionPerformed(null);
-              hide = true;
-            }
-            else if (!(toggleCols && viewport.colSel.getSelected().size() > 0))
-            {
-              showAllSeqs_actionPerformed(null);
-            }
-          }
-
-          if (toggleCols)
-          {
-            if (viewport.colSel.getSelected().size() > 0)
-            {
-              hideSelColumns_actionPerformed(null);
-              if (!toggleSeqs)
-              {
-                viewport.selectionGroup = sg;
-              }
-            }
-            else if (!hide)
-            {
-              showAllColumns_actionPerformed(null);
-            }
-          }
+          toggleHiddenRegions(toggleSeqs, toggleCols);
           break;
         }
         case KeyEvent.VK_PAGE_UP:
@@ -469,32 +596,47 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   private void addServiceListeners()
   {
     final java.beans.PropertyChangeListener thisListener;
-    // Do this once to get current state
-    BuildWebServiceMenu();
-    Desktop.discoverer
-            .addPropertyChangeListener(thisListener = new java.beans.PropertyChangeListener()
+    Desktop.instance.addJalviewPropertyChangeListener("services",
+            thisListener = new java.beans.PropertyChangeListener()
             {
               public void propertyChange(PropertyChangeEvent evt)
               {
-                // System.out.println("Discoverer property change.");
-                if (evt.getPropertyName().equals("services"))
+                // // System.out.println("Discoverer property change.");
+                // if (evt.getPropertyName().equals("services"))
                 {
-                  // System.out.println("Rebuilding web service menu");
-                  BuildWebServiceMenu();
+                  SwingUtilities.invokeLater(new Runnable()
+                  {
+
+                    public void run()
+                    {
+                      System.err
+                              .println("Rebuild WS Menu for service change");
+                      BuildWebServiceMenu();
+                    }
+
+                  });
                 }
               }
             });
-
     addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()
     {
       public void internalFrameClosed(
               javax.swing.event.InternalFrameEvent evt)
       {
-        // System.out.println("deregistering discoverer listener");
-        Desktop.discoverer.removePropertyChangeListener(thisListener);
+        System.out.println("deregistering discoverer listener");
+        Desktop.instance.removeJalviewPropertyChangeListener("services",
+                thisListener);
         closeMenuItem_actionPerformed(true);
       };
     });
+    // Finally, build the menu once to get current service state
+    new Thread(new Runnable()
+    {
+      public void run()
+      {
+        BuildWebServiceMenu();
+      }
+    }).start();
   }
 
   public void setGUINucleotide(boolean nucleotide)
@@ -502,7 +644,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     showTranslation.setVisible(nucleotide);
     conservationMenuItem.setEnabled(!nucleotide);
     modifyConservation.setEnabled(!nucleotide);
-
+    showGroupConservation.setEnabled(!nucleotide);
     // Remember AlignFrame always starts as protein
     if (!nucleotide)
     {
@@ -525,7 +667,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * loading from Jalview2XML.java
    * 
    * @param av
-   *                AlignViewport
+   *          AlignViewport
    */
   void setMenusFromViewport(AlignViewport av)
   {
@@ -544,20 +686,29 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     annotationPanelMenuItem.setState(av.showAnnotation);
     viewBoxesMenuItem.setSelected(av.showBoxes);
     viewTextMenuItem.setSelected(av.showText);
-
+    showNonconservedMenuItem.setSelected(av.showUnconserved);
+    showGroupConsensus.setSelected(av.showGroupConsensus);
+    showGroupConservation.setSelected(av.showGroupConservation);
+    showConsensusHistogram.setSelected(av.showConsensusHistogram);
+    showSequenceLogo.setSelected(av.showSequenceLogo);
     setColourSelected(ColourSchemeProperty.getColourName(av
             .getGlobalColourScheme()));
 
     showSeqFeatures.setSelected(av.showSequenceFeatures);
     hiddenMarkers.setState(av.showHiddenMarkers);
     applyToAllGroups.setState(av.colourAppliesToAllGroups);
-
+    showNpFeatsMenuitem.setSelected(av.isShowNpFeats());
+    showDbRefsMenuitem.setSelected(av.isShowDbRefs());
+    autoCalculate.setSelected(av.autoCalculateConsensus);
+    sortByTree.setSelected(av.sortByTree);
+    listenToViewSelections.setSelected(av.followSelection);
+    
     setShowProductsEnabled();
 
     updateEditMenuBar();
   }
 
-  Hashtable progressBars;
+  Hashtable progressBars, progressBarHandlers;
 
   /*
    * (non-Javadoc)
@@ -569,21 +720,26 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     if (progressBars == null)
     {
       progressBars = new Hashtable();
+      progressBarHandlers = new Hashtable();
     }
 
     JPanel progressPanel;
+    Long lId = new Long(id);
     GridLayout layout = (GridLayout) statusPanel.getLayout();
-    if (progressBars.get(new Long(id)) != null)
+    if (progressBars.get(lId) != null)
     {
       progressPanel = (JPanel) progressBars.get(new Long(id));
       statusPanel.remove(progressPanel);
-      progressBars.remove(progressPanel);
+      progressBars.remove(lId);
       progressPanel = null;
       if (message != null)
       {
         statusBar.setText(message);
       }
-
+      if (progressBarHandlers.contains(lId))
+      {
+        progressBarHandlers.remove(lId);
+      }
       layout.setRows(layout.getRows() - 1);
     }
     else
@@ -599,13 +755,43 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       layout.setRows(layout.getRows() + 1);
       statusPanel.add(progressPanel);
 
-      progressBars.put(new Long(id), progressPanel);
+      progressBars.put(lId, progressPanel);
     }
     // update GUI
-    setMenusForViewport();
+    // setMenusForViewport();
     validate();
   }
 
+  public void registerHandler(final long id,
+          final IProgressIndicatorHandler handler)
+  {
+    if (progressBarHandlers == null || !progressBars.contains(new Long(id)))
+    {
+      throw new Error(
+              "call setProgressBar before registering the progress bar's handler.");
+    }
+    progressBarHandlers.put(new Long(id), handler);
+    final JPanel progressPanel = (JPanel) progressBars.get(new Long(id));
+    if (handler.canCancel())
+    {
+      JButton cancel = new JButton("Cancel");
+      final IProgressIndicator us = this;
+      cancel.addActionListener(new ActionListener()
+      {
+
+        public void actionPerformed(ActionEvent e)
+        {
+          handler.cancelActivity(id);
+          us.setProgressBar(
+                  "Cancelled "
+                          + ((JLabel) progressPanel.getComponent(0))
+                                  .getText(), id);
+        }
+      });
+      progressPanel.add(cancel, BorderLayout.EAST);
+    }
+  }
+
   /**
    * 
    * @return true if any progress bars are still active
@@ -646,6 +832,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     if (fileName != null)
     {
+      // TODO: work out how to recover feature settings for correct view(s) when
+      // file is reloaded.
       if (currentFileFormat.equals("Jalview"))
       {
         JInternalFrame[] frames = Desktop.desktop.getAllFrames();
@@ -680,7 +868,23 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                 protocol, currentFileFormat);
 
         newframe.setBounds(bounds);
-
+        if (featureSettings != null && featureSettings.isShowing())
+        {
+          final Rectangle fspos = featureSettings.frame.getBounds();
+          // TODO: need a 'show feature settings' function that takes bounds -
+          // need to refactor Desktop.addFrame
+          newframe.featureSettings_actionPerformed(null);
+          final FeatureSettings nfs = newframe.featureSettings;
+          SwingUtilities.invokeLater(new Runnable()
+          {
+            public void run()
+            {
+              nfs.frame.setBounds(fspos);
+            }
+          });
+          this.featureSettings.close();
+          this.featureSettings = null;
+        }
         this.closeMenuItem_actionPerformed(true);
       }
     }
@@ -699,8 +903,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   public void save_actionPerformed(ActionEvent e)
   {
     if (fileName == null
-            || (currentFileFormat == null || jalview.io.AppletFormatAdapter
-                    .isValidFormat(currentFileFormat, true))
+            || (currentFileFormat == null || !jalview.io.FormatAdapter
+                    .isValidIOFormat(currentFileFormat, true))
             || fileName.startsWith("http"))
     {
       saveAs_actionPerformed(null);
@@ -715,12 +919,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void saveAs_actionPerformed(ActionEvent e)
   {
-    JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache
-            .getProperty("LAST_DIRECTORY"),
+    JalviewFileChooser chooser = new JalviewFileChooser(
+            jalview.bin.Cache.getProperty("LAST_DIRECTORY"),
             jalview.io.AppletFormatAdapter.WRITABLE_EXTENSIONS,
             jalview.io.AppletFormatAdapter.WRITABLE_FNAMES,
             currentFileFormat, false);
@@ -782,12 +986,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     {
       if (!jalview.io.AppletFormatAdapter.isValidFormat(format, true))
       {
-        // JBPNote need to have a raise_gui flag here
-        JOptionPane.showInternalMessageDialog(this, "Cannot save file "
-                + fileName + " using format " + format,
-                "Alignment output format not supported",
-                JOptionPane.WARNING_MESSAGE);
+        warningMessage("Cannot save file " + fileName + " using format "
+                + format, "Alignment output format not supported");
         saveAs_actionPerformed(null);
+        // JBPNote need to have a raise_gui flag here
         return false;
       }
 
@@ -848,11 +1050,26 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     return success;
   }
 
+  private void warningMessage(String warning, String title)
+  {
+    if (new jalview.util.Platform().isHeadless())
+    {
+      System.err.println("Warning: " + title + "\nWarning: " + warning);
+
+    }
+    else
+    {
+      JOptionPane.showInternalMessageDialog(this, warning, title,
+              JOptionPane.WARNING_MESSAGE);
+    }
+    return;
+  }
+
   /**
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void outputText_actionPerformed(ActionEvent e)
   {
@@ -877,24 +1094,32 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     CutAndPasteTransfer cap = new CutAndPasteTransfer();
     cap.setForInput(null);
-    Desktop.addInternalFrame(cap, "Alignment output - "
-            + e.getActionCommand(), 600, 500);
 
-    cap.setText(new FormatAdapter().formatSequences(e.getActionCommand(),
-            viewport.alignment, omitHidden, viewport.colSel));
+    try
+    {
+      cap.setText(new FormatAdapter().formatSequences(e.getActionCommand(),
+              viewport.alignment, omitHidden, viewport.colSel));
+      Desktop.addInternalFrame(cap,
+              "Alignment output - " + e.getActionCommand(), 600, 500);
+    } catch (OutOfMemoryError oom)
+    {
+      new OOMWarning("Outputting alignment as " + e.getActionCommand(), oom);
+      cap.dispose();
+    }
+
   }
 
   /**
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void htmlMenuItem_actionPerformed(ActionEvent e)
   {
-    new HTMLOutput(alignPanel, alignPanel.seqPanel.seqCanvas
-            .getSequenceRenderer(), alignPanel.seqPanel.seqCanvas
-            .getFeatureRenderer());
+    new HTMLOutput(alignPanel,
+            alignPanel.seqPanel.seqCanvas.getSequenceRenderer(),
+            alignPanel.seqPanel.seqCanvas.getFeatureRenderer());
   }
 
   public void createImageMap(File file, String image)
@@ -906,7 +1131,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void createPNG(File f)
   {
@@ -917,7 +1142,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void createEPS(File f)
   {
@@ -934,7 +1159,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void printMenuItem_actionPerformed(ActionEvent e)
   {
@@ -950,7 +1175,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
   public void exportAnnotations_actionPerformed(ActionEvent e)
   {
-    new AnnotationExporter().exportAnnotations(alignPanel,
+    new AnnotationExporter().exportAnnotations(
+            alignPanel,
             viewport.showAnnotation ? viewport.alignment
                     .getAlignmentAnnotation() : null, viewport.alignment
                     .getGroups(),
@@ -960,8 +1186,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   public void associatedData_actionPerformed(ActionEvent e)
   {
     // Pick the tree file
-    JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache
-            .getProperty("LAST_DIRECTORY"));
+    JalviewFileChooser chooser = new JalviewFileChooser(
+            jalview.bin.Cache.getProperty("LAST_DIRECTORY"));
     chooser.setFileView(new JalviewFileView());
     chooser.setDialogTitle("Load Jalview Annotations or Features File");
     chooser.setToolTipText("Load Jalview Annotations / Features file");
@@ -972,16 +1198,16 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     {
       String choice = chooser.getSelectedFile().getPath();
       jalview.bin.Cache.setProperty("LAST_DIRECTORY", choice);
-      loadJalviewDataFile(choice);
+      loadJalviewDataFile(choice, null, null, null);
     }
 
   }
 
   /**
-   * DOCUMENT ME!
+   * Close the current view or all views in the alignment frame. If the frame
+   * only contains one view then the alignment will be removed from memory.
    * 
-   * @param e
-   *                DOCUMENT ME!
+   * @param closeAllTabs
    */
   public void closeMenuItem_actionPerformed(boolean closeAllTabs)
   {
@@ -996,39 +1222,20 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       {
         if (closeAllTabs)
         {
-          for (int i = 0; i < alignPanels.size(); i++)
+          if (this.isClosed())
           {
-            AlignmentPanel ap = (AlignmentPanel) alignPanels.elementAt(i);
-            jalview.structure.StructureSelectionManager
-                    .getStructureSelectionManager()
-                    .removeStructureViewerListener(ap.seqPanel, null);
-            PaintRefresher.RemoveComponent(ap.seqPanel.seqCanvas);
-            PaintRefresher.RemoveComponent(ap.idPanel.idCanvas);
-            PaintRefresher.RemoveComponent(ap);
-            ap.av.alignment = null;
+            // really close all the windows - otherwise wait till
+            // setClosed(true) is called
+            for (int i = 0; i < alignPanels.size(); i++)
+            {
+              AlignmentPanel ap = (AlignmentPanel) alignPanels.elementAt(i);
+              ap.closePanel();
+            }
           }
         }
         else
         {
-          int index = tabbedPane.getSelectedIndex();
-
-          alignPanels.removeElement(alignPanel);
-          PaintRefresher.RemoveComponent(alignPanel.seqPanel.seqCanvas);
-          PaintRefresher.RemoveComponent(alignPanel.idPanel.idCanvas);
-          PaintRefresher.RemoveComponent(alignPanel);
-          viewport.alignment = null;
-          alignPanel = null;
-          viewport = null;
-
-          tabbedPane.removeTabAt(index);
-          tabbedPane.validate();
-
-          if (index == tabbedPane.getTabCount())
-          {
-            index--;
-          }
-
-          this.tabSelectionChanged(index);
+          closeView(alignPanel);
         }
       }
 
@@ -1043,6 +1250,36 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   /**
+   * close alignPanel2 and shuffle tabs appropriately.
+   * 
+   * @param alignPanel2
+   */
+  public void closeView(AlignmentPanel alignPanel2)
+  {
+    int index = tabbedPane.getSelectedIndex();
+    int closedindex = tabbedPane.indexOfComponent(alignPanel2);
+    alignPanels.removeElement(alignPanel2);
+    // Unnecessary
+    // if (viewport == alignPanel2.av)
+    // {
+    // viewport = null;
+    // }
+    alignPanel2.closePanel();
+    alignPanel2 = null;
+
+    tabbedPane.removeTabAt(closedindex);
+    tabbedPane.validate();
+
+    if (index > closedindex || index == tabbedPane.getTabCount())
+    {
+      // modify currently selected tab index if necessary.
+      index--;
+    }
+
+    this.tabSelectionChanged(index);
+  }
+
+  /**
    * DOCUMENT ME!
    */
   void updateEditMenuBar()
@@ -1081,7 +1318,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       viewport.historyList.push(command);
       viewport.redoList.clear();
       updateEditMenuBar();
-      viewport.hasHiddenColumns = viewport.colSel.getHiddenColumns() != null;
+      viewport.hasHiddenColumns = (viewport.colSel != null
+              && viewport.colSel.getHiddenColumns() != null && viewport.colSel
+              .getHiddenColumns().size() > 0);
     }
   }
 
@@ -1113,7 +1352,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void undoMenuItem_actionPerformed(ActionEvent e)
   {
@@ -1128,7 +1367,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     if (originalSource != null)
     {
-      originalSource.hasHiddenColumns = viewport.colSel.getHiddenColumns() != null;
+      originalSource.hasHiddenColumns = (viewport.colSel != null
+              && viewport.colSel.getHiddenColumns() != null && viewport.colSel
+              .getHiddenColumns().size() > 0);
       originalSource.firePropertyChange("alignment", null,
               originalSource.alignment.getSequences());
     }
@@ -1138,7 +1379,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void redoMenuItem_actionPerformed(ActionEvent e)
   {
@@ -1156,7 +1397,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     if (originalSource != null)
     {
-      originalSource.hasHiddenColumns = viewport.colSel.getHiddenColumns() != null;
+      originalSource.hasHiddenColumns = (viewport.colSel != null
+              && viewport.colSel.getHiddenColumns() != null && viewport.colSel
+              .getHiddenColumns().size() > 0);
       originalSource.firePropertyChange("alignment", null,
               originalSource.alignment.getSequences());
     }
@@ -1208,7 +1451,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param up
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void moveSelectedSequences(boolean up)
   {
@@ -1355,7 +1598,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void copy_actionPerformed(ActionEvent e)
   {
@@ -1384,11 +1627,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       jalview.gui.Desktop.internalCopy = true;
       // Its really worth setting the clipboard contents
       // to empty before setting the large StringSelection!!
-      Toolkit.getDefaultToolkit().getSystemClipboard().setContents(
-              new StringSelection(""), null);
+      Toolkit.getDefaultToolkit().getSystemClipboard()
+              .setContents(new StringSelection(""), null);
 
-      Toolkit.getDefaultToolkit().getSystemClipboard().setContents(ss,
-              Desktop.instance);
+      Toolkit.getDefaultToolkit().getSystemClipboard()
+              .setContents(ss, Desktop.instance);
     } catch (OutOfMemoryError er)
     {
       new OOMWarning("copying region", er);
@@ -1399,15 +1642,18 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     if (viewport.hasHiddenColumns)
     {
       hiddenColumns = new Vector();
-      int hiddenOffset = viewport.getSelectionGroup().getStartRes();
+      int hiddenOffset = viewport.getSelectionGroup().getStartRes(), hiddenCutoff = viewport
+              .getSelectionGroup().getEndRes();
       for (int i = 0; i < viewport.getColumnSelection().getHiddenColumns()
               .size(); i++)
       {
         int[] region = (int[]) viewport.getColumnSelection()
                 .getHiddenColumns().elementAt(i);
-
-        hiddenColumns.addElement(new int[]
-        { region[0] - hiddenOffset, region[1] - hiddenOffset });
+        if (region[0] >= hiddenOffset && region[1] <= hiddenCutoff)
+        {
+          hiddenColumns.addElement(new int[]
+          { region[0] - hiddenOffset, region[1] - hiddenOffset });
+        }
       }
     }
 
@@ -1420,7 +1666,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void pasteNew_actionPerformed(ActionEvent e)
   {
@@ -1431,7 +1677,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void pasteThis_actionPerformed(ActionEvent e)
   {
@@ -1442,7 +1688,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * Paste contents of Jalview clipboard
    * 
    * @param newAlignment
-   *                true to paste to a new alignment, otherwise add to this.
+   *          true to paste to a new alignment, otherwise add to this.
    */
   void paste(boolean newAlignment)
   {
@@ -1648,8 +1894,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           }
           buildSortByAnnotationScoresMenu();
         }
-        viewport.firePropertyChange("alignment", null, alignment
-                .getSequences());
+        viewport.firePropertyChange("alignment", null,
+                alignment.getSequences());
 
       }
       else
@@ -1711,7 +1957,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void cut_actionPerformed(ActionEvent e)
   {
@@ -1723,7 +1969,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void delete_actionPerformed(ActionEvent evt)
   {
@@ -1763,11 +2009,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
             viewport.alignment));
 
     viewport.setSelectionGroup(null);
+    viewport.sendSelection();
     viewport.alignment.deleteGroup(sg);
 
     viewport.firePropertyChange("alignment", null, viewport.getAlignment()
             .getSequences());
-
     if (viewport.getAlignment().getHeight() < 1)
     {
       try
@@ -1783,7 +2029,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void deleteGroups_actionPerformed(ActionEvent e)
   {
@@ -1791,6 +2037,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     viewport.sequenceColours = null;
     viewport.setSelectionGroup(null);
     PaintRefresher.Refresh(this, viewport.getSequenceSetId());
+    alignPanel.updateAnnotation();
     alignPanel.paintAlignment(true);
   }
 
@@ -1798,7 +2045,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void selectAllSequenceMenuItem_actionPerformed(ActionEvent e)
   {
@@ -1811,6 +2058,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     sg.setEndRes(viewport.alignment.getWidth() - 1);
     viewport.setSelectionGroup(sg);
+    viewport.sendSelection();
     alignPanel.paintAlignment(true);
     PaintRefresher.Refresh(alignPanel, viewport.getSequenceSetId());
   }
@@ -1819,7 +2067,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void deselectAllSequenceMenuItem_actionPerformed(ActionEvent e)
   {
@@ -1835,13 +2083,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     alignPanel.idPanel.idCanvas.searchResults = null;
     alignPanel.paintAlignment(true);
     PaintRefresher.Refresh(alignPanel, viewport.getSequenceSetId());
+    viewport.sendSelection();
   }
 
   /**
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void invertSequenceMenuItem_actionPerformed(ActionEvent e)
   {
@@ -1860,21 +2109,22 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
 
     alignPanel.paintAlignment(true);
-
     PaintRefresher.Refresh(alignPanel, viewport.getSequenceSetId());
+    viewport.sendSelection();
   }
 
   public void invertColSel_actionPerformed(ActionEvent e)
   {
     viewport.invertColumnSelection();
     alignPanel.paintAlignment(true);
+    viewport.sendSelection();
   }
 
   /**
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void remove2LeftMenuItem_actionPerformed(ActionEvent e)
   {
@@ -1885,7 +2135,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void remove2RightMenuItem_actionPerformed(ActionEvent e)
   {
@@ -1962,7 +2212,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void removeGappedColumnMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2008,7 +2258,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void removeAllGapsMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2046,21 +2296,30 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void padGapsMenuitem_actionPerformed(ActionEvent e)
   {
     viewport.padGaps = padGapsMenuitem.isSelected();
-
     viewport.firePropertyChange("alignment", null, viewport.getAlignment()
             .getSequences());
   }
 
+  // else
+  {
+    // if (justifySeqs>0)
+    {
+      // alignment.justify(justifySeqs!=RIGHT_JUSTIFY);
+    }
+  }
+
+  // }
+
   /**
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void findMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2069,8 +2328,57 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
   public void newView_actionPerformed(ActionEvent e)
   {
+    newView(true);
+  }
+
+  /**
+   * 
+   * @param copyAnnotation
+   *          if true then duplicate all annnotation, groups and settings
+   * @return new alignment panel, already displayed.
+   */
+  public AlignmentPanel newView(boolean copyAnnotation)
+  {
+    return newView(null, copyAnnotation);
+  }
+
+  /**
+   * 
+   * @param viewTitle
+   *          title of newly created view
+   * @return new alignment panel, already displayed.
+   */
+  public AlignmentPanel newView(String viewTitle)
+  {
+    return newView(viewTitle, true);
+  }
+
+  /**
+   * 
+   * @param viewTitle
+   *          title of newly created view
+   * @param copyAnnotation
+   *          if true then duplicate all annnotation, groups and settings
+   * @return new alignment panel, already displayed.
+   */
+  public AlignmentPanel newView(String viewTitle, boolean copyAnnotation)
+  {
     AlignmentPanel newap = new Jalview2XML().copyAlignPanel(alignPanel,
             true);
+    if (!copyAnnotation)
+    {
+      // just remove all the current annotation except for the automatic stuff
+      newap.av.alignment.deleteAllGroups();
+      for (AlignmentAnnotation alan : newap.av.alignment
+              .getAlignmentAnnotation())
+      {
+        if (!alan.autoCalculated)
+        {
+          newap.av.alignment.deleteAnnotation(alan);
+        }
+        ;
+      }
+    }
 
     newap.av.gatherViewsHere = false;
 
@@ -2083,8 +2391,19 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     newap.av.redoList = viewport.redoList;
 
     int index = Desktop.getViewCount(viewport.getSequenceSetId());
-    String newViewName = "View " + index;
-
+    // make sure the new view has a unique name - this is essential for Jalview
+    // 2 archives
+    boolean addFirstIndex = false;
+    if (viewTitle == null || viewTitle.trim().length() == 0)
+    {
+      viewTitle = "View";
+      addFirstIndex = true;
+    }
+    else
+    {
+      index = 1;// we count from 1 if given a specific name
+    }
+    String newViewName = viewTitle + ((addFirstIndex) ? " " + index : "");
     Vector comps = (Vector) PaintRefresher.components.get(viewport
             .getSequenceSetId());
     Vector existingNames = new Vector();
@@ -2102,18 +2421,19 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     while (existingNames.contains(newViewName))
     {
-      newViewName = "View " + (++index);
+      newViewName = viewTitle + " " + (++index);
     }
 
     newap.av.viewName = newViewName;
 
-    addAlignmentPanel(newap, false);
+    addAlignmentPanel(newap, true);
 
     if (alignPanels.size() == 2)
     {
       viewport.gatherViewsHere = true;
     }
     tabbedPane.setSelectedIndex(tabbedPane.getTabCount() - 1);
+    return newap;
   }
 
   public void expandViews_actionPerformed(ActionEvent e)
@@ -2130,7 +2450,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void font_actionPerformed(ActionEvent e)
   {
@@ -2141,7 +2461,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void seqLimit_actionPerformed(ActionEvent e)
   {
@@ -2164,11 +2484,25 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     alignPanel.paintAlignment(true);
   }
 
+  /*
+   * (non-Javadoc)
+   * 
+   * @see jalview.jbgui.GAlignFrame#followHighlight_actionPerformed()
+   */
+  protected void followHighlight_actionPerformed()
+  {
+    if (viewport.followHighlight = this.followHighlightMenuItem.getState())
+    {
+      alignPanel.scrollToPosition(
+              alignPanel.seqPanel.seqCanvas.searchResults, false);
+    }
+  }
+
   /**
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void colourTextMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2180,7 +2514,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void wrapMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2208,6 +2542,116 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     alignPanel.paintAlignment(true);
   }
 
+  /**
+   * called by key handler and the hide all/show all menu items
+   * 
+   * @param toggleSeqs
+   * @param toggleCols
+   */
+  private void toggleHiddenRegions(boolean toggleSeqs, boolean toggleCols)
+  {
+
+    boolean hide = false;
+    SequenceGroup sg = viewport.getSelectionGroup();
+    if (!toggleSeqs && !toggleCols)
+    {
+      // Hide everything by the current selection - this is a hack - we do the
+      // invert and then hide
+      // first check that there will be visible columns after the invert.
+      if ((viewport.colSel != null && viewport.colSel.getSelected() != null && viewport.colSel
+              .getSelected().size() > 0)
+              || (sg != null && sg.getSize() > 0 && sg.getStartRes() <= sg
+                      .getEndRes()))
+      {
+        // now invert the sequence set, if required - empty selection implies
+        // that no hiding is required.
+        if (sg != null)
+        {
+          invertSequenceMenuItem_actionPerformed(null);
+          sg = viewport.getSelectionGroup();
+          toggleSeqs = true;
+
+        }
+        viewport.expandColSelection(sg, true);
+        // finally invert the column selection and get the new sequence
+        // selection.
+        invertColSel_actionPerformed(null);
+        toggleCols = true;
+      }
+    }
+
+    if (toggleSeqs)
+    {
+      if (sg != null && sg.getSize() != viewport.alignment.getHeight())
+      {
+        hideSelSequences_actionPerformed(null);
+        hide = true;
+      }
+      else if (!(toggleCols && viewport.colSel.getSelected().size() > 0))
+      {
+        showAllSeqs_actionPerformed(null);
+      }
+    }
+
+    if (toggleCols)
+    {
+      if (viewport.colSel.getSelected().size() > 0)
+      {
+        hideSelColumns_actionPerformed(null);
+        if (!toggleSeqs)
+        {
+          viewport.selectionGroup = sg;
+        }
+      }
+      else if (!hide)
+      {
+        showAllColumns_actionPerformed(null);
+      }
+    }
+  }
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GAlignFrame#hideAllButSelection_actionPerformed(java.awt.
+   * event.ActionEvent)
+   */
+  public void hideAllButSelection_actionPerformed(ActionEvent e)
+  {
+    toggleHiddenRegions(false, false);
+  }
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GAlignFrame#hideAllSelection_actionPerformed(java.awt.event
+   * .ActionEvent)
+   */
+  public void hideAllSelection_actionPerformed(ActionEvent e)
+  {
+    SequenceGroup sg = viewport.getSelectionGroup();
+    viewport.expandColSelection(sg, false);
+    viewport.hideAllSelectedSeqs();
+    viewport.hideSelectedColumns();
+    alignPanel.paintAlignment(true);
+  }
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GAlignFrame#showAllhidden_actionPerformed(java.awt.event.
+   * ActionEvent)
+   */
+  public void showAllhidden_actionPerformed(ActionEvent e)
+  {
+    viewport.showAllHiddenColumns();
+    viewport.showAllHiddenSeqs();
+    alignPanel.paintAlignment(true);
+  }
+
   public void hideSelColumns_actionPerformed(ActionEvent e)
   {
     viewport.hideSelectedColumns();
@@ -2224,7 +2668,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void scaleAbove_actionPerformed(ActionEvent e)
   {
@@ -2236,7 +2680,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void scaleLeft_actionPerformed(ActionEvent e)
   {
@@ -2248,7 +2692,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void scaleRight_actionPerformed(ActionEvent e)
   {
@@ -2260,7 +2704,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void viewBoxesMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2272,7 +2716,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void viewTextMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2284,7 +2728,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void renderGapsMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2301,14 +2745,20 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       featureSettings.close();
       featureSettings = null;
     }
+    if (!showSeqFeatures.isSelected())
+    {
+      // make sure features are actually displayed
+      showSeqFeatures.setSelected(true);
+      showSeqFeatures_actionPerformed(null);
+    }
     featureSettings = new FeatureSettings(this);
   }
 
   /**
-   * DOCUMENT ME!
+   * Set or clear 'Show Sequence Features'
    * 
    * @param evt
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void showSeqFeatures_actionPerformed(ActionEvent evt)
   {
@@ -2321,10 +2771,33 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   /**
+   * Set or clear 'Show Sequence Features'
+   * 
+   * @param evt
+   *          DOCUMENT ME!
+   */
+  public void showSeqFeaturesHeight_actionPerformed(ActionEvent evt)
+  {
+    viewport.setShowSequenceFeaturesHeight(showSeqFeaturesHeight
+            .isSelected());
+    if (viewport.getShowSequenceFeaturesHeight())
+    {
+      // ensure we're actually displaying features
+      viewport.setShowSequenceFeatures(true);
+      showSeqFeatures.setSelected(true);
+    }
+    alignPanel.paintAlignment(true);
+    if (alignPanel.getOverviewPanel() != null)
+    {
+      alignPanel.getOverviewPanel().updateOverviewImage();
+    }
+  }
+
+  /**
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void annotationPanelMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2336,60 +2809,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     JEditorPane editPane = new JEditorPane("text/html", "");
     editPane.setEditable(false);
-    StringBuffer contents = new StringBuffer("<html>");
-
-    float avg = 0;
-    int min = Integer.MAX_VALUE, max = 0;
-    for (int i = 0; i < viewport.alignment.getHeight(); i++)
-    {
-      int size = viewport.alignment.getSequenceAt(i).getEnd()
-              - viewport.alignment.getSequenceAt(i).getStart();
-      avg += size;
-      if (size > max)
-        max = size;
-      if (size < min)
-        min = size;
-    }
-    avg = avg / (float) viewport.alignment.getHeight();
-
-    contents.append("<br>Sequences: " + viewport.alignment.getHeight());
-    contents.append("<br>Minimum Sequence Length: " + min);
-    contents.append("<br>Maximum Sequence Length: " + max);
-    contents.append("<br>Average Length: " + (int) avg);
-
-    if (((Alignment) viewport.alignment).getProperties() != null)
-    {
-      Hashtable props = ((Alignment) viewport.alignment).getProperties();
-      Enumeration en = props.keys();
-      contents.append("<br><br><table border=\"1\">");
-      while (en.hasMoreElements())
-      {
-        String key = en.nextElement().toString();
-        StringBuffer val = new StringBuffer();
-        String vals = props.get(key).toString();
-        int pos = 0, npos;
-        do
-        {
-          npos = vals.indexOf("\n", pos);
-          if (npos == -1)
-          {
-            val.append(vals.substring(pos));
-          }
-          else
-          {
-            val.append(vals.substring(pos, npos));
-            val.append("<br>");
-          }
-          pos = npos + 1;
-        } while (npos != -1);
-        contents
-                .append("<tr><td>" + key + "</td><td>" + val + "</td></tr>");
-      }
-      contents.append("</table>");
-    }
-    editPane.setText(contents.toString() + "</html>");
-    JInternalFrame frame = new JInternalFrame();
-    frame.getContentPane().add(new JScrollPane(editPane));
+    StringBuffer contents = new AlignmentProperties(viewport.alignment)
+            .formatAsHtml();
+    editPane.setText("<html>" + contents.toString() + "</html>");
+    JInternalFrame frame = new JInternalFrame();
+    frame.getContentPane().add(new JScrollPane(editPane));
 
     Desktop.instance.addInternalFrame(frame, "Alignment Properties: "
             + getTitle(), 500, 400);
@@ -2399,7 +2823,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void overviewMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2411,19 +2835,18 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     JInternalFrame frame = new JInternalFrame();
     OverviewPanel overview = new OverviewPanel(alignPanel);
     frame.setContentPane(overview);
-    Desktop.addInternalFrame(frame, "Overview " + this.getTitle(), frame
-            .getWidth(), frame.getHeight());
+    Desktop.addInternalFrame(frame, "Overview " + this.getTitle(),
+            frame.getWidth(), frame.getHeight());
     frame.pack();
     frame.setLayer(JLayeredPane.PALETTE_LAYER);
-    frame
-            .addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()
-            {
-              public void internalFrameClosed(
-                      javax.swing.event.InternalFrameEvent evt)
-              {
-                alignPanel.setOverviewPanel(null);
-              };
-            });
+    frame.addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()
+    {
+      public void internalFrameClosed(
+              javax.swing.event.InternalFrameEvent evt)
+      {
+        alignPanel.setOverviewPanel(null);
+      };
+    });
 
     alignPanel.setOverviewPanel(overview);
   }
@@ -2437,7 +2860,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void noColourmenuItem_actionPerformed(ActionEvent e)
   {
@@ -2448,20 +2871,20 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void clustalColour_actionPerformed(ActionEvent e)
   {
     changeColour(new ClustalxColourScheme(
-            viewport.alignment.getSequences(), viewport.alignment
-                    .getWidth()));
+            viewport.alignment.getSequences(),
+            viewport.alignment.getWidth()));
   }
 
   /**
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void zappoColour_actionPerformed(ActionEvent e)
   {
@@ -2472,7 +2895,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void taylorColour_actionPerformed(ActionEvent e)
   {
@@ -2483,7 +2906,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void hydrophobicityColour_actionPerformed(ActionEvent e)
   {
@@ -2494,7 +2917,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void helixColour_actionPerformed(ActionEvent e)
   {
@@ -2505,7 +2928,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void strandColour_actionPerformed(ActionEvent e)
   {
@@ -2516,7 +2939,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void turnColour_actionPerformed(ActionEvent e)
   {
@@ -2527,7 +2950,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void buriedColour_actionPerformed(ActionEvent e)
   {
@@ -2538,7 +2961,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void nucleotideColour_actionPerformed(ActionEvent e)
   {
@@ -2554,7 +2977,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void applyToAllGroups_actionPerformed(ActionEvent e)
   {
@@ -2565,7 +2988,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param cs
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void changeColour(ColourSchemeI cs)
   {
@@ -2592,8 +3015,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
         Alignment al = (Alignment) viewport.alignment;
         Conservation c = new Conservation("All",
-                ResidueProperties.propHash, 3, al.getSequences(), 0, al
-                        .getWidth() - 1);
+                ResidueProperties.propHash, 3, al.getSequences(), 0,
+                al.getWidth() - 1);
 
         c.calculate();
         c.verdict(false, viewport.ConsPercGaps);
@@ -2629,8 +3052,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
         if (cs instanceof ClustalxColourScheme)
         {
-          sg.cs = new ClustalxColourScheme(sg
-                  .getSequences(viewport.hiddenRepSequences), sg.getWidth());
+          sg.cs = new ClustalxColourScheme(
+                  sg.getSequences(viewport.hiddenRepSequences),
+                  sg.getWidth());
         }
         else if (cs instanceof UserColourScheme)
         {
@@ -2652,9 +3076,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         {
           sg.cs.setThreshold(threshold, viewport.getIgnoreGapsConsensus());
 
-          sg.cs.setConsensus(AAFrequency.calculate(sg
-                  .getSequences(viewport.hiddenRepSequences), sg
-                  .getStartRes(), sg.getEndRes() + 1));
+          sg.cs.setConsensus(AAFrequency.calculate(
+                  sg.getSequences(viewport.hiddenRepSequences),
+                  sg.getStartRes(), sg.getEndRes() + 1));
         }
         else
         {
@@ -2664,9 +3088,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         if (viewport.getConservationSelected())
         {
           Conservation c = new Conservation("Group",
-                  ResidueProperties.propHash, 3, sg
-                          .getSequences(viewport.hiddenRepSequences), sg
-                          .getStartRes(), sg.getEndRes() + 1);
+                  ResidueProperties.propHash, 3,
+                  sg.getSequences(viewport.hiddenRepSequences),
+                  sg.getStartRes(), sg.getEndRes() + 1);
           c.calculate();
           c.verdict(false, viewport.ConsPercGaps);
           sg.cs.setConservation(c);
@@ -2690,15 +3114,15 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void modifyPID_actionPerformed(ActionEvent e)
   {
     if (viewport.getAbovePIDThreshold()
             && viewport.globalColourScheme != null)
     {
-      SliderPanel.setPIDSliderSource(alignPanel, viewport
-              .getGlobalColourScheme(), "Background");
+      SliderPanel.setPIDSliderSource(alignPanel,
+              viewport.getGlobalColourScheme(), "Background");
       SliderPanel.showPIDSlider();
     }
   }
@@ -2707,7 +3131,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void modifyConservation_actionPerformed(ActionEvent e)
   {
@@ -2724,7 +3148,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void conservationMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2742,7 +3166,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void abovePIDThreshold_actionPerformed(ActionEvent e)
   {
@@ -2760,7 +3184,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void userDefinedColour_actionPerformed(ActionEvent e)
   {
@@ -2808,8 +3232,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
             if (evt.isControlDown()
                     || SwingUtilities.isRightMouseButton(evt))
             {
-              radioItem
-                      .removeActionListener(radioItem.getActionListeners()[0]);
+              radioItem.removeActionListener(radioItem.getActionListeners()[0]);
 
               int option = JOptionPane.showInternalConfirmDialog(
                       jalview.gui.Desktop.desktop,
@@ -2853,7 +3276,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void PIDColour_actionPerformed(ActionEvent e)
   {
@@ -2864,7 +3287,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void BLOSUM62Colour_actionPerformed(ActionEvent e)
   {
@@ -2875,7 +3298,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void sortPairwiseMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2891,7 +3314,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void sortIDMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2905,7 +3328,22 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
+   */
+  public void sortLengthMenuItem_actionPerformed(ActionEvent e)
+  {
+    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
+    AlignmentSorter.sortByLength(viewport.getAlignment());
+    addHistoryItem(new OrderCommand("Length Sort", oldOrder,
+            viewport.alignment));
+    alignPanel.paintAlignment(true);
+  }
+
+  /**
+   * DOCUMENT ME!
+   * 
+   * @param e
+   *          DOCUMENT ME!
    */
   public void sortGroupMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2921,7 +3359,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void removeRedundancyMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2932,7 +3370,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void pairwiseAlignmentMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2955,7 +3393,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void PCAMenuItem_actionPerformed(ActionEvent e)
   {
@@ -2985,12 +3423,21 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               .getAlignment().getSequences());
     }
   }
+  public void sortByTreeOption_actionPerformed(ActionEvent e)
+  {
+    viewport.sortByTree = sortByTree.isSelected();
+  }
 
+  @Override
+  protected void listenToViewSelections_actionPerformed(ActionEvent e)
+  {
+    viewport.followSelection = listenToViewSelections.isSelected();
+  }
   /**
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void averageDistanceTreeMenuItem_actionPerformed(ActionEvent e)
   {
@@ -3001,7 +3448,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void neighbourTreeMenuItem_actionPerformed(ActionEvent e)
   {
@@ -3012,7 +3459,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void njTreeBlosumMenuItem_actionPerformed(ActionEvent e)
   {
@@ -3023,7 +3470,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void avTreeBlosumMenuItem_actionPerformed(ActionEvent e)
   {
@@ -3034,11 +3481,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param type
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    * @param pwType
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    * @param title
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   void NewTreePanel(String type, String pwType, String title)
   {
@@ -3083,8 +3530,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
     else
     {
-      // are the sequences aligned?
-      if (!viewport.alignment.isAligned())
+      // are the visible sequences aligned?
+      if (!viewport.alignment.isAligned(false))
       {
         JOptionPane
                 .showMessageDialog(
@@ -3122,9 +3569,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param title
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    * @param order
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   public void addSortByOrderMenuItem(String title,
           final AlignmentOrder order)
@@ -3153,10 +3600,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * Add a new sort by annotation score menu item
    * 
    * @param sort
-   *                the menu to add the option to
+   *          the menu to add the option to
    * @param scoreLabel
-   *                the label used to retrieve scores for each sequence on the
-   *                alignment
+   *          the label used to retrieve scores for each sequence on the
+   *          alignment
    */
   public void addSortByAnnotScoreMenuItem(JMenu sort,
           final String scoreLabel)
@@ -3168,8 +3615,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       public void actionPerformed(ActionEvent e)
       {
         SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
-        AlignmentSorter.sortByAnnotationScore(scoreLabel, viewport
-                .getAlignment());// ,viewport.getSelectionGroup());
+        AlignmentSorter.sortByAnnotationScore(scoreLabel,
+                viewport.getAlignment());// ,viewport.getSelectionGroup());
         addHistoryItem(new OrderCommand("Sort by " + scoreLabel, oldOrder,
                 viewport.alignment));
         alignPanel.paintAlignment(true);
@@ -3217,8 +3664,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       Enumeration labels = scoreSorts.keys();
       while (labels.hasMoreElements())
       {
-        addSortByAnnotScoreMenuItem(sortByAnnotScore, (String) labels
-                .nextElement());
+        addSortByAnnotScoreMenuItem(sortByAnnotScore,
+                (String) labels.nextElement());
       }
       sortByAnnotScore.setVisible(scoreSorts.size() > 0);
       scoreSorts.clear();
@@ -3236,9 +3683,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * modified.
    * 
    * @param treePanel
-   *                Displayed tree window.
+   *          Displayed tree window.
    * @param title
-   *                SortBy menu item title.
+   *          SortBy menu item title.
    */
   public void buildTreeMenu()
   {
@@ -3268,21 +3715,16 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     for (i = 0; i < treePanels.size(); i++)
     {
-      TreePanel tp = (TreePanel) treePanels.elementAt(i);
+      final TreePanel tp = (TreePanel) treePanels.elementAt(i);
       final JMenuItem item = new JMenuItem(tp.getTitle());
       final NJTree tree = ((TreePanel) treePanels.elementAt(i)).getTree();
       item.addActionListener(new java.awt.event.ActionListener()
       {
         public void actionPerformed(ActionEvent e)
         {
-          SequenceI[] oldOrder = viewport.getAlignment()
-                  .getSequencesArray();
-          AlignmentSorter.sortByTree(viewport.getAlignment(), tree);
-
-          addHistoryItem(new OrderCommand("Tree Sort", oldOrder,
-                  viewport.alignment));
-
-          alignPanel.paintAlignment(true);
+          tp.sortByTree_actionPerformed(null);
+          addHistoryItem(tp.sortAlignmentIn(alignPanel));
+          
         }
       });
 
@@ -3290,6 +3732,19 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
   }
 
+  public boolean sortBy(AlignmentOrder alorder, String undoname)
+  {
+    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
+    AlignmentSorter.sortBy(viewport.getAlignment(), alorder);
+    if (undoname != null)
+    {
+      addHistoryItem(new OrderCommand(undoname, oldOrder,
+              viewport.alignment));
+    }
+    alignPanel.paintAlignment(true);
+    return true;
+  }
+
   /**
    * Work out whether the whole set of sequences or just the selected set will
    * be submitted for multiple alignment.
@@ -3353,10 +3808,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     // jobs
     // TODO: viewport.alignment.isAligned is a global state - the local
     // selection may well be aligned - we preserve 2.0.8 behaviour for moment.
-    if (!viewport.alignment.isAligned())
+    if (!viewport.alignment.isAligned(false))
     {
       seqs.setSequences(new SeqCigar[]
       { seqs.getSequences()[0] });
+      // TODO: if seqs.getSequences().length>1 then should really have warned
+      // user!
+
     }
     return seqs;
   }
@@ -3365,13 +3823,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * DOCUMENT ME!
    * 
    * @param e
-   *                DOCUMENT ME!
+   *          DOCUMENT ME!
    */
   protected void LoadtreeMenuItem_actionPerformed(ActionEvent e)
   {
     // Pick the tree file
-    JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache
-            .getProperty("LAST_DIRECTORY"));
+    JalviewFileChooser chooser = new JalviewFileChooser(
+            jalview.bin.Cache.getProperty("LAST_DIRECTORY"));
     chooser.setFileView(new JalviewFileView());
     chooser.setDialogTitle("Select a newick-like tree file");
     chooser.setToolTipText("Load a tree file");
@@ -3395,8 +3853,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       }
       if (fin != null && fin.hasWarningMessage())
       {
-        JOptionPane.showMessageDialog(Desktop.desktop, fin
-                .getWarningMessage(), "Possible problem with tree file",
+        JOptionPane.showMessageDialog(Desktop.desktop,
+                fin.getWarningMessage(), "Possible problem with tree file",
                 JOptionPane.WARNING_MESSAGE);
       }
     }
@@ -3424,19 +3882,19 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * current alignment view
    * 
    * @param nf
-   *                the tree
+   *          the tree
    * @param title
-   *                tree viewer title
+   *          tree viewer title
    * @param input
-   *                Associated alignment input data (or null)
+   *          Associated alignment input data (or null)
    * @param w
-   *                width
+   *          width
    * @param h
-   *                height
+   *          height
    * @param x
-   *                position
+   *          position
    * @param y
-   *                position
+   *          position
    * @return TreePanel handle
    */
   public TreePanel ShowNewickTree(NewickFile nf, String title,
@@ -3469,121 +3927,201 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     return tp;
   }
 
+  private boolean buildingMenu = false;
+
   /**
    * Generates menu items and listener event actions for web service clients
    * 
    */
   public void BuildWebServiceMenu()
   {
-    // TODO: add support for context dependent disabling of services based on
-    // alignment and current selection
-    // TODO: add additional serviceHandle parameter to specify abstract handler
-    // class independently of AbstractName
-    // TODO: add in rediscovery GUI function to restart discoverer
-    // TODO: group services by location as well as function and/or introduce
-    // object broker mechanism.
-    if ((Discoverer.services != null) && (Discoverer.services.size() > 0))
-    {
-      // TODO: refactor to allow list of AbstractName/Handler bindings to be
-      // stored or retrieved from elsewhere
-      Vector msaws = (Vector) Discoverer.services.get("MsaWS");
-      Vector secstrpr = (Vector) Discoverer.services.get("SecStrPred");
-      Vector seqsrch = (Vector) Discoverer.services.get("SeqSearch");
-      // TODO: move GUI generation code onto service implementation - so a
-      // client instance attaches itself to the GUI with method call like
-      // jalview.ws.MsaWSClient.bind(servicehandle, Desktop.instance,
-      // alignframe)
-      Vector wsmenu = new Vector();
-      final IProgressIndicator af = this;
-      if (msaws != null)
+    while (buildingMenu)
+    {
+      try
       {
-        // Add any Multiple Sequence Alignment Services
-        final JMenu msawsmenu = new JMenu("Alignment");
-        for (int i = 0, j = msaws.size(); i < j; i++)
-        {
-          final ext.vamsas.ServiceHandle sh = (ext.vamsas.ServiceHandle) msaws
-                  .get(i);
-          jalview.ws.WSClient impl = jalview.ws.Discoverer
-                  .getServiceClient(sh);
-          impl.attachWSMenuEntry(msawsmenu, this);
-
-        }
-        wsmenu.add(msawsmenu);
-      }
-      if (secstrpr != null)
+        System.err.println("Waiting for building menu to finish.");
+        Thread.sleep(10);
+      } catch (Exception e)
       {
-        // Add any secondary structure prediction services
-        final JMenu secstrmenu = new JMenu("Secondary Structure Prediction");
-        for (int i = 0, j = secstrpr.size(); i < j; i++)
-        {
-          final ext.vamsas.ServiceHandle sh = (ext.vamsas.ServiceHandle) secstrpr
-                  .get(i);
-          jalview.ws.WSClient impl = jalview.ws.Discoverer
-                  .getServiceClient(sh);
-          impl.attachWSMenuEntry(secstrmenu, this);
-        }
-        wsmenu.add(secstrmenu);
       }
-      if (seqsrch != null)
+      ;
+    }
+    final AlignFrame me = this;
+    buildingMenu = true;
+    new Thread(new Runnable()
+    {
+      public void run()
       {
-        // Add any sequence search services
-        final JMenu seqsrchmenu = new JMenu("Sequence Database Search");
-        for (int i = 0, j = seqsrch.size(); i < j; i++)
+        try
+        {
+          System.err.println("Building ws menu again "
+                  + Thread.currentThread());
+          // TODO: add support for context dependent disabling of services based
+          // on
+          // alignment and current selection
+          // TODO: add additional serviceHandle parameter to specify abstract
+          // handler
+          // class independently of AbstractName
+          // TODO: add in rediscovery GUI function to restart discoverer
+          // TODO: group services by location as well as function and/or
+          // introduce
+          // object broker mechanism.
+          final Vector wsmenu = new Vector();
+          final IProgressIndicator af = me;
+          final JMenu msawsmenu = new JMenu("Alignment");
+          final JMenu secstrmenu = new JMenu(
+                  "Secondary Structure Prediction");
+          final JMenu seqsrchmenu = new JMenu(
+                  "Sequence Database Search");
+          final JMenu analymenu = new JMenu(
+                  "Analysis");
+          // JAL-940 - only show secondary structure prediction services from the legacy server
+          if (// Cache.getDefault("SHOW_JWS1_SERVICES", true)
+                  // && 
+                  Discoverer.services != null
+                  && (Discoverer.services.size() > 0))
+          {
+            // TODO: refactor to allow list of AbstractName/Handler bindings to
+            // be
+            // stored or retrieved from elsewhere
+            Vector msaws = null; // (Vector) Discoverer.services.get("MsaWS");
+            Vector secstrpr = (Vector) Discoverer.services
+                    .get("SecStrPred");
+            Vector seqsrch = null; // (Vector) Discoverer.services.get("SeqSearch");
+            // TODO: move GUI generation code onto service implementation - so a
+            // client instance attaches itself to the GUI with method call like
+            // jalview.ws.MsaWSClient.bind(servicehandle, Desktop.instance,
+            // alignframe)
+            if (msaws != null)
+            {
+              // Add any Multiple Sequence Alignment Services
+              for (int i = 0, j = msaws.size(); i < j; i++)
+              {
+                final ext.vamsas.ServiceHandle sh = (ext.vamsas.ServiceHandle) msaws
+                        .get(i);
+                jalview.ws.WSMenuEntryProviderI impl = jalview.ws.jws1.Discoverer
+                        .getServiceClient(sh);
+                impl.attachWSMenuEntry(msawsmenu, me);
+
+              }
+            }
+            if (secstrpr != null)
+            {
+              // Add any secondary structure prediction services
+              for (int i = 0, j = secstrpr.size(); i < j; i++)
+              {
+                final ext.vamsas.ServiceHandle sh = (ext.vamsas.ServiceHandle) secstrpr
+                        .get(i);
+                jalview.ws.WSMenuEntryProviderI impl = jalview.ws.jws1.Discoverer
+                        .getServiceClient(sh);
+                impl.attachWSMenuEntry(secstrmenu, me);
+              }
+            }
+            if (seqsrch != null)
+            {
+              // Add any sequence search services
+              for (int i = 0, j = seqsrch.size(); i < j; i++)
+              {
+                final ext.vamsas.ServiceHandle sh = (ext.vamsas.ServiceHandle) seqsrch
+                        .elementAt(i);
+                jalview.ws.WSMenuEntryProviderI impl = jalview.ws.jws1.Discoverer
+                        .getServiceClient(sh);
+                impl.attachWSMenuEntry(seqsrchmenu, me);
+              }
+            }
+          }
+
+          // TODO: move into separate menu builder class.
+          if (Cache.getDefault("SHOW_JWS2_SERVICES", true))
+          {
+            Jws2Discoverer jws2servs = Jws2Discoverer.getDiscoverer();
+            if (jws2servs != null)
+            {
+              if (jws2servs.hasServices())
+              {
+                jws2servs.attachWSMenuEntry(msawsmenu, me);
+              }
+            }
+          }
+          // Add all submenus in the order they should appear on the web services menu
+          wsmenu.add(msawsmenu);
+          wsmenu.add(secstrmenu);
+          wsmenu.add(analymenu);
+          // No search services yet
+          // wsmenu.add(seqsrchmenu);
+
+          javax.swing.SwingUtilities.invokeLater(new Runnable()
+          {
+            public void run()
+            {
+              try
+              {
+                webService.removeAll();
+                // first, add discovered services onto the webservices menu
+                if (wsmenu.size() > 0)
+                {
+                  for (int i = 0, j = wsmenu.size(); i < j; i++)
+                  {
+                    webService.add((JMenu) wsmenu.get(i));
+                  }
+                }
+                else
+                {
+                  webService.add(me.webServiceNoServices);
+                }
+                build_urlServiceMenu(me.webService);
+                build_fetchdbmenu(webService);
+              } catch (Exception e)
+              {
+              }
+              ;
+            }
+          });
+        } catch (Exception e)
         {
-          final ext.vamsas.ServiceHandle sh = (ext.vamsas.ServiceHandle) seqsrch
-                  .elementAt(i);
-          jalview.ws.WSClient impl = jalview.ws.Discoverer
-                  .getServiceClient(sh);
-          impl.attachWSMenuEntry(seqsrchmenu, this);
         }
-        // finally, add the whole shebang onto the webservices menu
-        wsmenu.add(seqsrchmenu);
-      }
-      resetWebServiceMenu();
-      for (int i = 0, j = wsmenu.size(); i < j; i++)
-      {
-        webService.add((JMenu) wsmenu.get(i));
+        ;
+
+        buildingMenu = false;
       }
-    }
-    else
-    {
-      resetWebServiceMenu();
-      this.webService.add(this.webServiceNoServices);
-    }
+    }).start();
+
   }
 
+
   /**
-   * empty the web service menu and add any ad-hoc functions not dynamically
-   * discovered.
+   * construct any groupURL type service menu entries.
    * 
+   * @param webService
    */
-  private void resetWebServiceMenu()
+  private void build_urlServiceMenu(JMenu webService)
   {
-    webService.removeAll();
-    // Temporary hack - DBRef Fetcher always top level ws entry.
-    JMenuItem rfetch = new JMenuItem("Fetch DB References");
-    rfetch
-            .setToolTipText("Retrieve and parse sequence database records for the alignment or the currently selected sequences");
-    webService.add(rfetch);
-    rfetch.addActionListener(new ActionListener()
-    {
-
-      public void actionPerformed(ActionEvent e)
-      {
-        new Thread(new Runnable()
-        {
-
-          public void run()
-          {
-            new jalview.ws.DBRefFetcher(alignPanel.av
-                    .getSequenceSelection(), alignPanel.alignFrame)
-                    .fetchDBRefs(false);
-          }
-        }).start();
-
-      }
+    // TODO: remove this code when 2.7 is released
+    // DEBUG - alignmentView
+    /*
+     * JMenuItem testAlView = new JMenuItem("Test AlignmentView"); final
+     * AlignFrame af = this; testAlView.addActionListener(new ActionListener() {
+     * 
+     * @Override public void actionPerformed(ActionEvent e) {
+     * jalview.datamodel.AlignmentView.testSelectionViews(af.viewport.alignment,
+     * af.viewport.colSel, af.viewport.selectionGroup); }
+     * 
+     * }); webService.add(testAlView);
+     */
+    // TODO: refactor to RestClient discoverer and merge menu entries for
+    // rest-style services with other types of analysis/calculation service
+    // SHmmr test client - still being implemented.
+    // DEBUG - alignmentView
+    
+    for (jalview.ws.rest.RestClient client: jalview.ws.rest.RestClient.getRestClients()) {
+      client.attachWSMenuEntry(JvSwingUtils.findOrCreateMenu(webService, client.getAction()), this);
+    }
 
-    });
+    if (Cache.getDefault("SHOW_ENFIN_SERVICES", true))
+    {
+      jalview.ws.EnfinEnvision2OneWay.getInstance().attachWSMenuEntry(
+              webService, this);
+    }
   }
 
   /*
@@ -3637,8 +4175,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       showProducts.removeAll();
       final boolean dna = viewport.getAlignment().isNucleotide();
       final Alignment ds = dataset;
-      String[] ptypes = CrossRef.findSequenceXrefTypes(dna, selection,
-              dataset);
+      String[] ptypes = (selection == null || selection.length == 0) ? null
+              : CrossRef.findSequenceXrefTypes(dna, selection, dataset);
       // Object[] prods =
       // CrossRef.buildXProductsList(viewport.getAlignment().isNucleotide(),
       // selection, dataset, true);
@@ -3668,8 +4206,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     } catch (Exception e)
     {
       jalview.bin.Cache.log
-              .warn(
-                      "canTranslate threw an exception - please report to help@jalview.org",
+              .warn("canTranslate threw an exception - please report to help@jalview.org",
                       e);
       return false;
     }
@@ -3713,12 +4250,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
             }
             Alignment al = new Alignment(sprods);
             AlignedCodonFrame[] cf = prods.getCodonFrames();
+            al.setDataset(ds);
             for (int s = 0; cf != null && s < cf.length; s++)
             {
               al.addCodonFrame(cf[s]);
               cf[s] = null;
             }
-            al.setDataset(ds);
             AlignFrame naf = new AlignFrame(al, DEFAULT_WIDTH,
                     DEFAULT_HEIGHT);
             String newtitle = "" + ((fdna) ? "Proteins " : "Nucleotides ")
@@ -3759,13 +4296,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     // old way
     try
     {
-      return (jalview.analysis.Dna.canTranslate(selection, viewport
-              .getViewAsVisibleContigs(true)));
+      return (jalview.analysis.Dna.canTranslate(selection,
+              viewport.getViewAsVisibleContigs(true)));
     } catch (Exception e)
     {
       jalview.bin.Cache.log
-              .warn(
-                      "canTranslate threw an exception - please report to help@jalview.org",
+              .warn("canTranslate threw an exception - please report to help@jalview.org",
                       e);
       return false;
     }
@@ -3844,9 +4380,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * Try to load a features file onto the alignment.
    * 
    * @param file
-   *                contents or path to retrieve file
+   *          contents or path to retrieve file
    * @param type
-   *                access mode of file (see jalview.io.AlignFile)
+   *          access mode of file (see jalview.io.AlignFile)
    * @return true if features file was parsed corectly.
    */
   public boolean parseFeaturesFile(String file, String type)
@@ -3854,9 +4390,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     boolean featuresFile = false;
     try
     {
-      featuresFile = new FeaturesFile(file, type).parse(viewport.alignment
-              .getDataset(), alignPanel.seqPanel.seqCanvas
-              .getFeatureRenderer().featureColours, false);
+      featuresFile = new FeaturesFile(file, type)
+              .parse(viewport.alignment.getDataset(),
+                      alignPanel.seqPanel.seqCanvas.getFeatureRenderer().featureColours,
+                      false, jalview.bin.Cache.getDefault(
+                              "RELAXEDSEQIDMATCHING", false));
     } catch (Exception ex)
     {
       ex.printStackTrace();
@@ -3866,6 +4404,15 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     {
       viewport.showSequenceFeatures = true;
       showSeqFeatures.setSelected(true);
+      if (alignPanel.seqPanel.seqCanvas.fr != null)
+      {
+        // update the min/max ranges where necessary
+        alignPanel.seqPanel.seqCanvas.fr.findAllFeatures(true);
+      }
+      if (featureSettings != null)
+      {
+        featureSettings.setTableData();
+      }
       alignPanel.paintAlignment(true);
     }
 
@@ -3921,8 +4468,17 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           }
 
           java.net.URI uri = new java.net.URI(s);
-          java.io.File file = new java.io.File(uri);
-          files.add(file);
+          // check to see if we can handle this kind of URI
+          if (uri.getScheme().toLowerCase().startsWith("http"))
+          {
+            files.add(uri.toString());
+          }
+          else
+          {
+            // otherwise preserve old behaviour: catch all for file objects
+            java.io.File file = new java.io.File(uri);
+            files.add(file.toString());
+          }
         }
       }
     } catch (Exception e)
@@ -3933,10 +4489,127 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     {
       try
       {
-
+        // check to see if any of these files have names matching sequences in
+        // the alignment
+        SequenceIdMatcher idm = new SequenceIdMatcher(viewport
+                .getAlignment().getSequencesArray());
+        /**
+         * Object[] { String,SequenceI}
+         */
+        ArrayList<Object[]> filesmatched = new ArrayList<Object[]>();
+        ArrayList<String> filesnotmatched = new ArrayList<String>();
         for (int i = 0; i < files.size(); i++)
         {
-          loadJalviewDataFile(files.get(i).toString());
+          String file = files.get(i).toString();
+          String pdbfn = "";
+          String protocol = FormatAdapter.checkProtocol(file);
+          if (protocol == jalview.io.FormatAdapter.FILE)
+          {
+            File fl = new File(file);
+            pdbfn = fl.getName();
+          }
+          else if (protocol == jalview.io.FormatAdapter.URL)
+          {
+            URL url = new URL(file);
+            pdbfn = url.getFile();
+          }
+          if (pdbfn.length() > 0)
+          {
+            // attempt to find a match in the alignment
+            SequenceI[] mtch = idm.findAllIdMatches(pdbfn);
+            int l = 0, c = pdbfn.indexOf(".");
+            while (mtch == null && c != -1)
+            {
+              do 
+              {
+                l = c;
+              } while ((c = pdbfn.indexOf(".", l)) > l);
+              if (l > -1)
+              {
+                pdbfn = pdbfn.substring(0, l);
+              }
+              mtch = idm.findAllIdMatches(pdbfn);
+            }
+            if (mtch != null)
+            {
+              String type = null;
+              try
+              {
+                type = new IdentifyFile().Identify(file, protocol);
+              } catch (Exception ex)
+              {
+                type = null;
+              }
+              if (type != null)
+              {
+                if (type.equalsIgnoreCase("PDB"))
+                {
+                  filesmatched.add(new Object[]
+                  { file, protocol, mtch });
+                  continue;
+                }
+              }
+            }
+            // File wasn't named like one of the sequences or wasn't a PDB file.
+            filesnotmatched.add(file);
+          }
+        }
+        int assocfiles = 0;
+        if (filesmatched.size() > 0)
+        {
+          if (Cache.getDefault("AUTOASSOCIATE_PDBANDSEQS", false)
+                  || JOptionPane
+                          .showConfirmDialog(
+                                  this,
+                                  "Do you want to automatically associate the "
+                                          + filesmatched.size()
+                                          + " PDB files with sequences in the alignment that have the same name ?",
+                                  "Automatically Associate PDB files by name",
+                                  JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION)
+
+          {
+            for (Object[] fm : filesmatched)
+            {
+              // try and associate
+              // TODO: may want to set a standard ID naming formalism for
+              // associating PDB files which have no IDs.
+              for (SequenceI toassoc: (SequenceI[])fm[2]) {
+              PDBEntry pe = new AssociatePdbFileWithSeq()
+                      .associatePdbWithSeq((String) fm[0], (String) fm[1],
+                              toassoc, false);
+              if (pe != null)
+              {
+                System.err
+                        .println("Associated file : " + ((String) fm[0])
+                                + " with "
+                                + toassoc.getDisplayId(true));
+                assocfiles++;
+              }
+              }
+              alignPanel.paintAlignment(true);
+            }
+          }
+        }
+        if (filesnotmatched.size() > 0)
+        {
+          if (assocfiles > 0
+                  && (Cache.getDefault(
+                          "AUTOASSOCIATE_PDBANDSEQS_IGNOREOTHERS", false) || JOptionPane
+                          .showConfirmDialog(
+                                  this,
+                                  "<html>Do you want to <em>ignore</em> the "
+                                          + filesnotmatched.size()
+                                          + " files whose names did not match any sequence IDs ?</html>",
+                                  "Ignore unmatched dropped files ?",
+                                  JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION))
+          {
+            return;
+          }
+          for (String fn : filesnotmatched)
+          {
+            loadJalviewDataFile(fn, null, null, null);
+          }
+
         }
       } catch (Exception ex)
       {
@@ -3946,43 +4619,70 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   /**
-   * Attempt to load a "dropped" file: First by testing whether it's and
-   * Annotation file, then a JNet file, and finally a features file. If all are
-   * false then the user may have dropped an alignment file onto this
+   * Attempt to load a "dropped" file or URL string: First by testing whether
+   * it's and Annotation file, then a JNet file, and finally a features file. If
+   * all are false then the user may have dropped an alignment file onto this
    * AlignFrame.
    * 
    * @param file
-   *                either a filename or a URL string.
+   *          either a filename or a URL string.
    */
-  public void loadJalviewDataFile(String file)
+  public void loadJalviewDataFile(String file, String protocol,
+          String format, SequenceI assocSeq)
   {
     try
     {
-      String protocol = "File";
-
-      if (file.indexOf("http:") > -1 || file.indexOf("file:") > -1)
+      if (protocol == null)
       {
-        protocol = "URL";
+        protocol = jalview.io.FormatAdapter.checkProtocol(file);
       }
-
-      boolean isAnnotation = new AnnotationFile().readAnnotationFile(
-              viewport.alignment, file, protocol);
+      // if the file isn't identified, or not positively identified as some
+      // other filetype (PFAM is default unidentified alignment file type) then
+      // try to parse as annotation.
+      boolean isAnnotation = (format == null || format
+              .equalsIgnoreCase("PFAM")) ? new AnnotationFile()
+              .readAnnotationFile(viewport.alignment, file, protocol)
+              : false;
 
       if (!isAnnotation)
       {
         // try to see if its a JNet 'concise' style annotation file *before* we
         // try to parse it as a features file
-        String format = new IdentifyFile().Identify(file, protocol);
+        if (format == null)
+        {
+          format = new IdentifyFile().Identify(file, protocol);
+        }
         if (format.equalsIgnoreCase("JnetFile"))
         {
           jalview.io.JPredFile predictions = new jalview.io.JPredFile(file,
                   protocol);
-          new JnetAnnotationMaker().add_annotation(predictions, viewport
-                  .getAlignment(), 0, false);
+          new JnetAnnotationMaker().add_annotation(predictions,
+                  viewport.getAlignment(), 0, false);
           isAnnotation = true;
         }
         else
         {
+          /*
+           * if (format.equalsIgnoreCase("PDB")) {
+           * 
+           * String pdbfn = ""; // try to match up filename with sequence id try
+           * { if (protocol == jalview.io.FormatAdapter.FILE) { File fl = new
+           * File(file); pdbfn = fl.getName(); } else if (protocol ==
+           * jalview.io.FormatAdapter.URL) { URL url = new URL(file); pdbfn =
+           * url.getFile(); } } catch (Exception e) { } ; if (assocSeq == null)
+           * { SequenceIdMatcher idm = new SequenceIdMatcher(viewport
+           * .getAlignment().getSequencesArray()); if (pdbfn.length() > 0) { //
+           * attempt to find a match in the alignment SequenceI mtch =
+           * idm.findIdMatch(pdbfn); int l = 0, c = pdbfn.indexOf("."); while
+           * (mtch == null && c != -1) { while ((c = pdbfn.indexOf(".", l)) > l)
+           * { l = c; } if (l > -1) { pdbfn = pdbfn.substring(0, l); } mtch =
+           * idm.findIdMatch(pdbfn); } if (mtch != null) { // try and associate
+           * // prompt ? PDBEntry pe = new AssociatePdbFileWithSeq()
+           * .associatePdbWithSeq(file, protocol, mtch, true); if (pe != null) {
+           * System.err.println("Associated file : " + file + " with " +
+           * mtch.getDisplayId(true)); alignPanel.paintAlignment(true); } } //
+           * TODO: maybe need to load as normal otherwise return; } }
+           */
           // try to parse it as a features file
           boolean isGroupsFile = parseFeaturesFile(file, protocol);
           // if it wasn't a features file then we just treat it as a general
@@ -4059,6 +4759,316 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       buildSortByAnnotationScoresMenu();
     }
   }
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GAlignFrame#showDbRefs_actionPerformed(java.awt.event.ActionEvent
+   * )
+   */
+  protected void showDbRefs_actionPerformed(ActionEvent e)
+  {
+    viewport.setShowDbRefs(showDbRefsMenuitem.isSelected());
+  }
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @seejalview.jbgui.GAlignFrame#showNpFeats_actionPerformed(java.awt.event.
+   * ActionEvent)
+   */
+  protected void showNpFeats_actionPerformed(ActionEvent e)
+  {
+    viewport.setShowNpFeats(showNpFeatsMenuitem.isSelected());
+  }
+
+  /**
+   * find the viewport amongst the tabs in this alignment frame and close that
+   * tab
+   * 
+   * @param av
+   */
+  public boolean closeView(AlignViewport av)
+  {
+    if (viewport == av)
+    {
+      this.closeMenuItem_actionPerformed(false);
+      return true;
+    }
+    Component[] comp = tabbedPane.getComponents();
+    for (int i = 0; comp != null && i < comp.length; i++)
+    {
+      if (comp[i] instanceof AlignmentPanel)
+      {
+        if (((AlignmentPanel) comp[i]).av == av)
+        {
+          // close the view.
+          closeView((AlignmentPanel) comp[i]);
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+
+  protected void build_fetchdbmenu(JMenu webService)
+  {
+    // Temporary hack - DBRef Fetcher always top level ws entry.
+    // 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("Fetch DB References");
+    rfetch.setToolTipText("Retrieve and parse sequence database records for the alignment or the currently selected sequences");
+    webService.add(rfetch);
+
+    JMenuItem fetchr = new JMenuItem("Standard Databases");
+    fetchr.setToolTipText("Fetch from EMBL/EMBLCDS or Uniprot/PDB and any selected DAS sources");
+    fetchr.addActionListener(new ActionListener()
+    {
+
+      public void actionPerformed(ActionEvent e)
+      {
+        new Thread(new Runnable()
+        {
+
+          public void run()
+          {
+            new jalview.ws.DBRefFetcher(alignPanel.av
+                    .getSequenceSelection(), alignPanel.alignFrame)
+                    .fetchDBRefs(false);
+          }
+        }).start();
+
+      }
+
+    });
+    rfetch.add(fetchr);
+    final AlignFrame me = this;
+    new Thread(new Runnable()
+    {
+      public void run()
+      {
+        final jalview.ws.SequenceFetcher sf = SequenceFetcher
+                .getSequenceFetcherSingleton(me);
+        final String[] otherdb = sf.getOrderedSupportedSources();
+        // sf.getDbInstances(jalview.ws.dbsources.DasSequenceSource.class);
+        // jalview.util.QuickSort.sort(otherdb, otherdb);
+        javax.swing.SwingUtilities.invokeLater(new Runnable()
+        {
+          public void run()
+          {
+
+            JMenu dfetch = new JMenu();
+            JMenuItem fetchr;
+            rfetch.add(dfetch);
+            int comp = 0, mcomp = 15;
+            String mname = null;
+            if (otherdb != null && otherdb.length > 0)
+            {
+              for (int i = 0; i < otherdb.length; i++)
+              {
+                String dbname = sf.getSourceProxy(otherdb[i]).getDbName();
+                if (mname == null)
+                {
+                  mname = "from '" + dbname + "'";
+                }
+                fetchr = new JMenuItem(otherdb[i]);
+                final String[] dassource = new String[]
+                { otherdb[i] };
+                fetchr.addActionListener(new ActionListener()
+                {
+
+                  public void actionPerformed(ActionEvent e)
+                  {
+                    new Thread(new Runnable()
+                    {
+
+                      public void run()
+                      {
+                        new jalview.ws.DBRefFetcher(alignPanel.av
+                                .getSequenceSelection(),
+                                alignPanel.alignFrame, dassource)
+                                .fetchDBRefs(false);
+                      }
+                    }).start();
+                  }
+
+                });
+                fetchr.setToolTipText("Retrieve from " + dbname);
+                dfetch.add(fetchr);
+                if (comp++ == mcomp || i == (otherdb.length - 1))
+                {
+                  dfetch.setText(mname + " to '" + dbname + "'");
+                  rfetch.add(dfetch);
+                  dfetch = new JMenu();
+                  mname = null;
+                  comp = 0;
+                }
+              }
+            }
+          }
+        });
+      }
+    }).start();
+
+  }
+
+  /**
+   * Left justify the whole alignment.
+   */
+  protected void justifyLeftMenuItem_actionPerformed(ActionEvent e)
+  {
+    AlignmentI al = viewport.getAlignment();
+    al.justify(false);
+    viewport.firePropertyChange("alignment", null, al);
+  }
+
+  /**
+   * Right justify the whole alignment.
+   */
+  protected void justifyRightMenuItem_actionPerformed(ActionEvent e)
+  {
+    AlignmentI al = viewport.getAlignment();
+    al.justify(true);
+    viewport.firePropertyChange("alignment", null, al);
+  }
+
+  public void setShowSeqFeatures(boolean b)
+  {
+    showSeqFeatures.setSelected(true);
+    viewport.setShowSequenceFeatures(true);
+  }
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GAlignFrame#showUnconservedMenuItem_actionPerformed(java.
+   * awt.event.ActionEvent)
+   */
+  protected void showUnconservedMenuItem_actionPerformed(ActionEvent e)
+  {
+    viewport.setShowUnconserved(showNonconservedMenuItem.getState());
+    alignPanel.paintAlignment(true);
+  }
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GAlignFrame#showGroupConsensus_actionPerformed(java.awt.event
+   * .ActionEvent)
+   */
+  protected void showGroupConsensus_actionPerformed(ActionEvent e)
+  {
+    viewport.setShowGroupConsensus(showGroupConsensus.getState());
+    alignPanel.updateAnnotation(applyAutoAnnotationSettings.getState());
+
+  }
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GAlignFrame#showGroupConservation_actionPerformed(java.awt
+   * .event.ActionEvent)
+   */
+  protected void showGroupConservation_actionPerformed(ActionEvent e)
+  {
+    viewport.setShowGroupConservation(showGroupConservation.getState());
+    alignPanel.updateAnnotation(applyAutoAnnotationSettings.getState());
+  }
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GAlignFrame#showConsensusHistogram_actionPerformed(java.awt
+   * .event.ActionEvent)
+   */
+  protected void showConsensusHistogram_actionPerformed(ActionEvent e)
+  {
+    viewport.setShowConsensusHistogram(showConsensusHistogram.getState());
+    alignPanel.updateAnnotation(applyAutoAnnotationSettings.getState());
+  }
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GAlignFrame#showConsensusProfile_actionPerformed(java.awt
+   * .event.ActionEvent)
+   */
+  protected void showSequenceLogo_actionPerformed(ActionEvent e)
+  {
+    viewport.setShowSequenceLogo(showSequenceLogo.getState());
+    alignPanel.updateAnnotation(applyAutoAnnotationSettings.getState());
+  }
+
+  protected void applyAutoAnnotationSettings_actionPerformed(ActionEvent e)
+  {
+    alignPanel.updateAnnotation(applyAutoAnnotationSettings.getState());
+  }
+
+  /*
+   * (non-Javadoc)
+   * 
+   * @see
+   * jalview.jbgui.GAlignFrame#makeGrpsFromSelection_actionPerformed(java.awt
+   * .event.ActionEvent)
+   */
+  protected void makeGrpsFromSelection_actionPerformed(ActionEvent e)
+  {
+    if (viewport.getSelectionGroup() != null)
+    {
+      SequenceGroup[] gps = jalview.analysis.Grouping.makeGroupsFrom(
+              viewport.getSequenceSelection(),
+              viewport.getAlignmentView(true).getSequenceStrings(
+                      viewport.getGapCharacter()),
+              viewport.alignment.getGroups());
+      viewport.alignment.deleteAllGroups();
+      viewport.sequenceColours = null;
+      viewport.setSelectionGroup(null);
+      // set view properties for each group
+      for (int g = 0; g < gps.length; g++)
+      {
+        gps[g].setShowNonconserved(viewport.getShowUnconserved());
+        gps[g].setshowSequenceLogo(viewport.isShowSequenceLogo());
+        viewport.alignment.addGroup(gps[g]);
+        Color col = new Color((int) (Math.random() * 255),
+                (int) (Math.random() * 255), (int) (Math.random() * 255));
+        col = col.brighter();
+        for (Enumeration sq = gps[g].getSequences(null).elements(); sq
+                .hasMoreElements(); viewport.setSequenceColour(
+                (SequenceI) sq.nextElement(), col))
+          ;
+      }
+      PaintRefresher.Refresh(this, viewport.getSequenceSetId());
+      alignPanel.updateAnnotation();
+      alignPanel.paintAlignment(true);
+    }
+  }
+
+  /**
+   * make the given alignmentPanel the currently selected tab
+   * 
+   * @param alignmentPanel
+   */
+  public void setDisplayedView(AlignmentPanel alignmentPanel)
+  {
+    if (!viewport.getSequenceSetId().equals(
+            alignmentPanel.av.getSequenceSetId()))
+    {
+      throw new Error(
+              "Implementation error: cannot show a view from another alignment in an AlignFrame.");
+    }
+    if (tabbedPane != null
+            & alignPanels.indexOf(alignmentPanel) != tabbedPane.getSelectedIndex())
+    {
+      tabbedPane.setSelectedIndex(alignPanels.indexOf(alignmentPanel));
+    }
+  }
 }
 
 class PrintThread extends Thread