JAL-1588 new class renamed
[jalview.git] / src / jalview / gui / Jalview2XML.java
old mode 100755 (executable)
new mode 100644 (file)
index 16d7bd5..a2cd147
 /*
- * Jalview - A Sequence Alignment Editor and Viewer
- * Copyright (C) 2007 AM Waterhouse, J Procter, 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
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8.2)
+ * Copyright (C) 2014 The Jalview Authors
+ * 
+ * This file is part of Jalview.
+ * 
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License 
+ * as published by the Free Software Foundation, either version 3
  * of the License, or (at your option) any later version.
- *
- * 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 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 this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
  */
 package jalview.gui;
 
-import java.io.*;
-import java.net.*;
-import java.util.*;
-import java.util.jar.*;
-
-import javax.swing.*;
-
-import org.exolab.castor.xml.*;
-import jalview.schemabinding.version2.*;
-import jalview.schemes.*;
+import jalview.api.structures.JalviewStructureDisplayI;
+import jalview.bin.Cache;
+import jalview.datamodel.Alignment;
+import jalview.datamodel.AlignmentAnnotation;
+import jalview.datamodel.AlignmentI;
+import jalview.datamodel.PDBEntry;
+import jalview.datamodel.SequenceI;
+import jalview.datamodel.StructureViewerModel;
+import jalview.datamodel.StructureViewerModel.StructureData;
+import jalview.schemabinding.version2.AlcodMap;
+import jalview.schemabinding.version2.Alcodon;
+import jalview.schemabinding.version2.AlcodonFrame;
+import jalview.schemabinding.version2.Annotation;
+import jalview.schemabinding.version2.AnnotationColours;
+import jalview.schemabinding.version2.AnnotationElement;
+import jalview.schemabinding.version2.CalcIdParam;
+import jalview.schemabinding.version2.DBRef;
+import jalview.schemabinding.version2.Features;
+import jalview.schemabinding.version2.Group;
+import jalview.schemabinding.version2.HiddenColumns;
+import jalview.schemabinding.version2.JGroup;
+import jalview.schemabinding.version2.JSeq;
+import jalview.schemabinding.version2.JalviewModel;
+import jalview.schemabinding.version2.JalviewModelSequence;
+import jalview.schemabinding.version2.MapListFrom;
+import jalview.schemabinding.version2.MapListTo;
+import jalview.schemabinding.version2.Mapping;
+import jalview.schemabinding.version2.MappingChoice;
+import jalview.schemabinding.version2.OtherData;
+import jalview.schemabinding.version2.PdbentryItem;
+import jalview.schemabinding.version2.Pdbids;
+import jalview.schemabinding.version2.Property;
+import jalview.schemabinding.version2.Sequence;
+import jalview.schemabinding.version2.SequenceSet;
+import jalview.schemabinding.version2.SequenceSetProperties;
+import jalview.schemabinding.version2.Setting;
+import jalview.schemabinding.version2.StructureState;
+import jalview.schemabinding.version2.ThresholdLine;
+import jalview.schemabinding.version2.Tree;
+import jalview.schemabinding.version2.UserColours;
+import jalview.schemabinding.version2.Viewport;
+import jalview.schemes.AnnotationColourGradient;
+import jalview.schemes.ColourSchemeI;
+import jalview.schemes.ColourSchemeProperty;
+import jalview.schemes.GraduatedColor;
+import jalview.schemes.ResidueColourScheme;
+import jalview.schemes.ResidueProperties;
+import jalview.schemes.UserColourScheme;
 import jalview.structure.StructureSelectionManager;
+import jalview.structures.models.AAStructureBindingModel;
+import jalview.util.MessageManager;
+import jalview.util.Platform;
+import jalview.util.jarInputStreamProvider;
+import jalview.viewmodel.AlignmentViewport;
+import jalview.viewmodel.seqfeatures.FeatureRendererSettings;
+import jalview.viewmodel.seqfeatures.FeaturesDisplayed;
+import jalview.ws.jws2.Jws2Discoverer;
+import jalview.ws.jws2.dm.AAConSettings;
+import jalview.ws.jws2.jabaws2.Jws2Instance;
+import jalview.ws.params.ArgumentI;
+import jalview.ws.params.AutoCalcSetting;
+import jalview.ws.params.WsParamSetI;
+
+import java.awt.Rectangle;
+import java.io.BufferedReader;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.lang.reflect.InvocationTargetException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Hashtable;
+import java.util.IdentityHashMap;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.StringTokenizer;
+import java.util.Vector;
+import java.util.jar.JarEntry;
+import java.util.jar.JarInputStream;
+import java.util.jar.JarOutputStream;
+
+import javax.swing.JInternalFrame;
+import javax.swing.JOptionPane;
+import javax.swing.SwingUtilities;
+
+import org.exolab.castor.xml.Unmarshaller;
 
 /**
- * DOCUMENT ME!
- *
+ * Write out the current jalview desktop state as a Jalview XML stream.
+ * 
+ * Note: the vamsas objects referred to here are primitive versions of the
+ * VAMSAS project schema elements - they are not the same and most likely never
+ * will be :)
+ * 
  * @author $author$
- * @version $Revision$
+ * @version $Revision: 1.134 $
  */
 public class Jalview2XML
 {
+  /*
+   * SequenceI reference -> XML ID string in jalview XML. Populated as XML reps
+   * of sequence objects are created.
+   */
+  IdentityHashMap<SequenceI, String> seqsToIds = null;
+
+  /**
+   * jalview XML Sequence ID to jalview sequence object reference (both dataset
+   * and alignment sequences. Populated as XML reps of sequence objects are
+   * created.)
+   */
+  Map<String, SequenceI> seqRefIds = null;
+
+  Vector frefedSequence = null;
+
+  boolean raiseGUI = true; // whether errors are raised in dialog boxes or not
+
+  /**
+   * create/return unique hash string for sq
+   * 
+   * @param sq
+   * @return new or existing unique string for sq
+   */
+  String seqHash(SequenceI sq)
+  {
+    if (seqsToIds == null)
+    {
+      initSeqRefs();
+    }
+    if (seqsToIds.containsKey(sq))
+    {
+      return seqsToIds.get(sq);
+    }
+    else
+    {
+      // create sequential key
+      String key = "sq" + (seqsToIds.size() + 1);
+      key = makeHashCode(sq, key); // check we don't have an external reference
+      // for it already.
+      seqsToIds.put(sq, key);
+      return key;
+    }
+  }
+
+  void clearSeqRefs()
+  {
+    if (_cleartables)
+    {
+      if (seqRefIds != null)
+      {
+        seqRefIds.clear();
+      }
+      if (seqsToIds != null)
+      {
+        seqsToIds.clear();
+      }
+      // seqRefIds = null;
+      // seqsToIds = null;
+    }
+    else
+    {
+      // do nothing
+      warn("clearSeqRefs called when _cleartables was not set. Doing nothing.");
+      // seqRefIds = new Hashtable();
+      // seqsToIds = new IdentityHashMap();
+    }
+  }
 
-  Hashtable seqRefIds;
+  void initSeqRefs()
+  {
+    if (seqsToIds == null)
+    {
+      seqsToIds = new IdentityHashMap<SequenceI, String>();
+    }
+    if (seqRefIds == null)
+    {
+      seqRefIds = new HashMap<String, SequenceI>();
+    }
+  }
+
+  public Jalview2XML()
+  {
+  }
+
+  public Jalview2XML(boolean raiseGUI)
+  {
+    this.raiseGUI = raiseGUI;
+  }
+
+  public void resolveFrefedSequences()
+  {
+    if (frefedSequence.size() > 0)
+    {
+      int r = 0, rSize = frefedSequence.size();
+      while (r < rSize)
+      {
+        Object[] ref = (Object[]) frefedSequence.elementAt(r);
+        if (ref != null)
+        {
+          String sref = (String) ref[0];
+          if (seqRefIds.containsKey(sref))
+          {
+            if (ref[1] instanceof jalview.datamodel.Mapping)
+            {
+              SequenceI seq = seqRefIds.get(sref);
+              while (seq.getDatasetSequence() != null)
+              {
+                seq = seq.getDatasetSequence();
+              }
+              ((jalview.datamodel.Mapping) ref[1]).setTo(seq);
+            }
+            else
+            {
+              if (ref[1] instanceof jalview.datamodel.AlignedCodonFrame)
+              {
+                SequenceI seq = seqRefIds.get(sref);
+                while (seq.getDatasetSequence() != null)
+                {
+                  seq = seq.getDatasetSequence();
+                }
+                if (ref[2] != null
+                        && ref[2] instanceof jalview.datamodel.Mapping)
+                {
+                  jalview.datamodel.Mapping mp = (jalview.datamodel.Mapping) ref[2];
+                  ((jalview.datamodel.AlignedCodonFrame) ref[1]).addMap(
+                          seq, mp.getTo(), mp.getMap());
+                }
+                else
+                {
+                  System.err
+                          .println("IMPLEMENTATION ERROR: Unimplemented forward sequence references for AlcodonFrames involving "
+                                  + ref[2].getClass() + " type objects.");
+                }
+              }
+              else
+              {
+                System.err
+                        .println("IMPLEMENTATION ERROR: Unimplemented forward sequence references for "
+                                + ref[1].getClass() + " type objects.");
+              }
+            }
+            frefedSequence.remove(r);
+            rSize--;
+          }
+          else
+          {
+            System.err
+                    .println("IMPLEMENTATION WARNING: Unresolved forward reference for hash string "
+                            + ref[0]
+                            + " with objecttype "
+                            + ref[1].getClass());
+            r++;
+          }
+        }
+        else
+        {
+          // empty reference
+          frefedSequence.remove(r);
+          rSize--;
+        }
+      }
+    }
+  }
 
   /**
-   * This maintains a list of viewports, the key being the
-   * seqSetId. Important to set historyItem and redoList
-   * for multiple views
+   * This maintains a list of viewports, the key being the seqSetId. Important
+   * to set historyItem and redoList for multiple views
    */
   Hashtable viewportsAdded;
 
   Hashtable annotationIds = new Hashtable();
 
   String uniqueSetSuffix = "";
+
   /**
    * List of pdbfiles added to Jar
    */
-  Vector pdbfiles = null;
+  List<String> pdbfiles = null;
 
   // SAVES SEVERAL ALIGNMENT WINDOWS TO SAME JARFILE
-  public void SaveState(File statefile)
+  public void saveState(File statefile)
+  {
+    FileOutputStream fos = null;
+    try
+    {
+      fos = new FileOutputStream(statefile);
+      JarOutputStream jout = new JarOutputStream(fos);
+      saveState(jout);
+
+    } catch (Exception e)
+    {
+      // TODO: inform user of the problem - they need to know if their data was
+      // not saved !
+      if (errorMessage == null)
+      {
+        errorMessage = "Couldn't write Jalview Archive to output file '"
+                + statefile + "' - See console error log for details";
+      }
+      else
+      {
+        errorMessage += "(output file was '" + statefile + "')";
+      }
+      e.printStackTrace();
+    } finally
+    {
+      if (fos != null)
+      {
+        try
+        {
+          fos.close();
+        } catch (IOException e)
+        {
+          // ignore
+        }
+      }
+    }
+    reportErrors();
+  }
+
+  /**
+   * Writes a jalview project archive to the given Jar output stream.
+   * 
+   * @param jout
+   */
+  public void saveState(JarOutputStream jout)
   {
     JInternalFrame[] frames = Desktop.desktop.getAllFrames();
 
@@ -66,31 +366,36 @@ public class Jalview2XML
       return;
     }
 
+    Hashtable<String, AlignFrame> dsses = new Hashtable<String, AlignFrame>();
+
     try
     {
-      FileOutputStream fos = new FileOutputStream(statefile);
-      JarOutputStream jout = new JarOutputStream(fos);
 
-      //NOTE UTF-8 MUST BE USED FOR WRITING UNICODE CHARS
-      ////////////////////////////////////////////////////
-      PrintWriter out = new PrintWriter(new OutputStreamWriter(jout,
-          "UTF-8"));
+      // NOTE UTF-8 MUST BE USED FOR WRITING UNICODE CHARS
+      // //////////////////////////////////////////////////
 
       Vector shortNames = new Vector();
 
-      //REVERSE ORDER
+      // REVERSE ORDER
       for (int i = frames.length - 1; i > -1; i--)
       {
         if (frames[i] instanceof AlignFrame)
         {
           AlignFrame af = (AlignFrame) frames[i];
+          // skip ?
+          if (skipList != null
+                  && skipList.containsKey(af.getViewport()
+                          .getSequenceSetId()))
+          {
+            continue;
+          }
 
           String shortName = af.getTitle();
 
           if (shortName.indexOf(File.separatorChar) > -1)
           {
-            shortName = shortName.substring(shortName.lastIndexOf(
-                File.separatorChar) + 1);
+            shortName = shortName.substring(shortName
+                    .lastIndexOf(File.separatorChar) + 1);
           }
 
           int count = 1;
@@ -99,8 +404,8 @@ public class Jalview2XML
           {
             if (shortName.endsWith("_" + (count - 1)))
             {
-              shortName = shortName.substring(0,
-                                              shortName.lastIndexOf("_"));
+              shortName = shortName
+                      .substring(0, shortName.lastIndexOf("_"));
             }
 
             shortName = shortName.concat("_" + count);
@@ -115,78 +420,155 @@ public class Jalview2XML
           }
 
           int ap, apSize = af.alignPanels.size();
+
           for (ap = 0; ap < apSize; ap++)
           {
-            AlignmentPanel apanel = (AlignmentPanel) af.alignPanels.
-                elementAt(ap);
+            AlignmentPanel apanel = (AlignmentPanel) af.alignPanels
+                    .elementAt(ap);
+            String fileName = apSize == 1 ? shortName : ap + shortName;
+            if (!fileName.endsWith(".xml"))
+            {
+              fileName = fileName + ".xml";
+            }
+
+            saveState(apanel, fileName, jout);
+
+            String dssid = getDatasetIdRef(af.getViewport().getAlignment()
+                    .getDataset());
+            if (!dsses.containsKey(dssid))
+            {
+              dsses.put(dssid, af);
+            }
 
-            SaveState(apanel,
-                      apSize == 1 ? shortName : ap + shortName,
-                      jout, out);
           }
         }
       }
 
-      out.close();
+      writeDatasetFor(dsses, "" + jout.hashCode() + " " + uniqueSetSuffix,
+              jout);
+
+      try
+      {
+        jout.flush();
+      } catch (Exception foo)
+      {
+      }
+      ;
       jout.close();
-    }
-    catch (Exception ex)
+    } catch (Exception ex)
     {
+      // TODO: inform user of the problem - they need to know if their data was
+      // not saved !
+      if (errorMessage == null)
+      {
+        errorMessage = "Couldn't write Jalview Archive - see error output for details";
+      }
       ex.printStackTrace();
     }
   }
 
   // USE THIS METHOD TO SAVE A SINGLE ALIGNMENT WINDOW
-  public boolean SaveAlignment(AlignFrame af, String jarFile,
-                               String fileName)
+  public boolean saveAlignment(AlignFrame af, String jarFile,
+          String fileName)
   {
     try
     {
       int ap, apSize = af.alignPanels.size();
       FileOutputStream fos = new FileOutputStream(jarFile);
       JarOutputStream jout = new JarOutputStream(fos);
-      PrintWriter out = new PrintWriter(new OutputStreamWriter(jout,
-          "UTF-8"));
+      Hashtable<String, AlignFrame> dsses = new Hashtable<String, AlignFrame>();
       for (ap = 0; ap < apSize; ap++)
       {
-        AlignmentPanel apanel = (AlignmentPanel) af.alignPanels.elementAt(ap);
-
-        SaveState(apanel,
-                  apSize == 1 ? fileName : fileName + ap,
-                  jout, out);
+        AlignmentPanel apanel = (AlignmentPanel) af.alignPanels
+                .elementAt(ap);
+        String jfileName = apSize == 1 ? fileName : fileName + ap;
+        if (!jfileName.endsWith(".xml"))
+        {
+          jfileName = jfileName + ".xml";
+        }
+        saveState(apanel, jfileName, jout);
+        String dssid = getDatasetIdRef(af.getViewport().getAlignment()
+                .getDataset());
+        if (!dsses.containsKey(dssid))
+        {
+          dsses.put(dssid, af);
+        }
       }
-
-      out.close();
+      writeDatasetFor(dsses, fileName, jout);
+      try
+      {
+        jout.flush();
+      } catch (Exception foo)
+      {
+      }
+      ;
       jout.close();
       return true;
-    }
-    catch (Exception ex)
+    } catch (Exception ex)
     {
+      errorMessage = "Couldn't Write alignment view to Jalview Archive - see error output for details";
       ex.printStackTrace();
       return false;
     }
   }
 
-  /**
-   * DOCUMENT ME!
-   *
-   * @param af DOCUMENT ME!
-   * @param timeStamp DOCUMENT ME!
-   * @param fileName DOCUMENT ME!
-   * @param jout DOCUMENT ME!
-   * @param out DOCUMENT ME!
-   */
-  public JalviewModel SaveState(AlignmentPanel ap,
-                                String fileName,
-                                JarOutputStream jout,
-                                PrintWriter out)
+  private void writeDatasetFor(Hashtable<String, AlignFrame> dsses,
+          String fileName, JarOutputStream jout)
   {
-    if (seqRefIds == null)
+
+    for (String dssids : dsses.keySet())
     {
-      seqRefIds = new Hashtable();
+      AlignFrame _af = dsses.get(dssids);
+      String jfileName = fileName + " Dataset for " + _af.getTitle();
+      if (!jfileName.endsWith(".xml"))
+      {
+        jfileName = jfileName + ".xml";
+      }
+      saveState(_af.alignPanel, jfileName, true, jout);
     }
+  }
+
+  /**
+   * create a JalviewModel from an alignment view and marshall it to a
+   * JarOutputStream
+   * 
+   * @param ap
+   *          panel to create jalview model for
+   * @param fileName
+   *          name of alignment panel written to output stream
+   * @param jout
+   *          jar output stream
+   * @param out
+   *          jar entry name
+   */
+  public JalviewModel saveState(AlignmentPanel ap, String fileName,
+          JarOutputStream jout)
+  {
+    return saveState(ap, fileName, false, jout);
+  }
 
-    Vector userColours = new Vector();
+  /**
+   * create a JalviewModel from an alignment view and marshall it to a
+   * JarOutputStream
+   * 
+   * @param ap
+   *          panel to create jalview model for
+   * @param fileName
+   *          name of alignment panel written to output stream
+   * @param storeDS
+   *          when true, only write the dataset for the alignment, not the data
+   *          associated with the view.
+   * @param jout
+   *          jar output stream
+   * @param out
+   *          jar entry name
+   */
+  public JalviewModel saveState(AlignmentPanel ap, String fileName,
+          boolean storeDS, JarOutputStream jout)
+  {
+    initSeqRefs();
+    List<String> viewIds = new ArrayList<String>();
+    List<UserColourScheme> userColours = new ArrayList<UserColourScheme>();
 
     AlignViewport av = ap.av;
 
@@ -194,11 +576,12 @@ public class Jalview2XML
     object.setVamsasModel(new jalview.schemabinding.version2.VamsasModel());
 
     object.setCreationDate(new java.util.Date(System.currentTimeMillis()));
-    object.setVersion(jalview.bin.Cache.getProperty("VERSION"));
+    object.setVersion(jalview.bin.Cache.getDefault("VERSION",
+            "Development Build"));
 
-    jalview.datamodel.AlignmentI jal = av.alignment;
+    jalview.datamodel.AlignmentI jal = av.getAlignment();
 
-    if (av.hasHiddenRows)
+    if (av.hasHiddenRows())
     {
       jal = jal.getHiddenSequences().getFullAlignment();
     }
@@ -209,10 +592,20 @@ public class Jalview2XML
 
     vamsasSet.setGapChar(jal.getGapCharacter() + "");
 
-    if(jal.getProperties()!=null)
+    if (jal.getDataset() != null)
+    {
+      // dataset id is the dataset's hashcode
+      vamsasSet.setDatasetId(getDatasetIdRef(jal.getDataset()));
+      if (storeDS)
+      {
+        // switch jal and the dataset
+        jal = jal.getDataset();
+      }
+    }
+    if (jal.getProperties() != null)
     {
       Enumeration en = jal.getProperties().keys();
-      while(en.hasMoreElements())
+      while (en.hasMoreElements())
       {
         String key = en.nextElement().toString();
         SequenceSetProperties ssp = new SequenceSetProperties();
@@ -223,44 +616,39 @@ public class Jalview2XML
     }
 
     JSeq jseq;
+    Set<String> calcIdSet = new HashSet<String>();
 
-    //SAVE SEQUENCES
-    int id = 0;
-    jalview.datamodel.SequenceI jds;
+    // SAVE SEQUENCES
+    String id = "";
+    jalview.datamodel.SequenceI jds, jdatasq;
     for (int i = 0; i < jal.getHeight(); i++)
     {
       jds = jal.getSequenceAt(i);
-      id = jds.hashCode();
+      jdatasq = jds.getDatasetSequence() == null ? jds : jds
+              .getDatasetSequence();
+      id = seqHash(jds);
 
-      if (seqRefIds.get(id + "") != null)
+      if (seqRefIds.get(id) != null)
       {
-
+        // This happens for two reasons: 1. multiple views are being serialised.
+        // 2. the hashCode has collided with another sequence's code. This DOES
+        // HAPPEN! (PF00072.15.stk does this)
+        // JBPNote: Uncomment to debug writing out of files that do not read
+        // back in due to ArrayOutOfBoundExceptions.
+        // System.err.println("vamsasSeq backref: "+id+"");
+        // System.err.println(jds.getName()+"
+        // "+jds.getStart()+"-"+jds.getEnd()+" "+jds.getSequenceAsString());
+        // System.err.println("Hashcode: "+seqHash(jds));
+        // SequenceI rsq = (SequenceI) seqRefIds.get(id + "");
+        // System.err.println(rsq.getName()+"
+        // "+rsq.getStart()+"-"+rsq.getEnd()+" "+rsq.getSequenceAsString());
+        // System.err.println("Hashcode: "+seqHash(rsq));
       }
       else
       {
-        vamsasSeq = new Sequence();
-        vamsasSeq.setId(id + "");
-        vamsasSeq.setName(jds.getName());
-        vamsasSeq.setSequence(jds.getSequenceAsString());
-        vamsasSeq.setDescription(jds.getDescription());
-
-        if (jds.getDatasetSequence().getDBRef() != null)
-        {
-          jalview.datamodel.DBRefEntry[] dbrefs =
-              jds.getDatasetSequence().getDBRef();
-
-          for (int d = 0; d < dbrefs.length; d++)
-          {
-            DBRef dbref = new DBRef();
-            dbref.setSource(dbrefs[d].getSource());
-            dbref.setVersion(dbrefs[d].getVersion());
-            dbref.setAccessionId(dbrefs[d].getAccessionId());
-            vamsasSeq.addDBRef(dbref);
-          }
-        }
-
+        vamsasSeq = createVamsasSequence(id, jds);
         vamsasSet.addSequence(vamsasSeq);
-        seqRefIds.put(id + "", jal.getSequenceAt(i));
+        seqRefIds.put(id, jds);
       }
 
       jseq = new JSeq();
@@ -268,36 +656,36 @@ public class Jalview2XML
       jseq.setEnd(jds.getEnd());
       jseq.setColour(av.getSequenceColour(jds).getRGB());
 
-      jseq.setId(id);
-
-      if (av.hasHiddenRows)
+      jseq.setId(id); // jseq id should be a string not a number
+      if (!storeDS)
       {
-        jseq.setHidden(av.alignment.getHiddenSequences().isHidden(jds));
-
-        if (av.hiddenRepSequences != null
-            && av.hiddenRepSequences.containsKey(jal.getSequenceAt(i)))
+        // Store any sequences this sequence represents
+        if (av.hasHiddenRows())
         {
-          jalview.datamodel.SequenceI[] reps =
-              ( (jalview.datamodel.SequenceGroup)
-               av.hiddenRepSequences.get(
-                   jal.getSequenceAt(i))).getSequencesInOrder(jal);
+          jseq.setHidden(av.getAlignment().getHiddenSequences()
+                  .isHidden(jds));
 
-          for (int h = 0; h < reps.length; h++)
+          if (av.isHiddenRepSequence(jal.getSequenceAt(i)))
           {
-            if (reps[h] != jal.getSequenceAt(i))
+            jalview.datamodel.SequenceI[] reps = av
+                    .getRepresentedSequences(jal.getSequenceAt(i))
+                    .getSequencesInOrder(jal);
+
+            for (int h = 0; h < reps.length; h++)
             {
-              jseq.addHiddenSequences(
-                  jal.findIndex(reps[h])
-                  );
+              if (reps[h] != jal.getSequenceAt(i))
+              {
+                jseq.addHiddenSequences(jal.findIndex(reps[h]));
+              }
             }
           }
         }
       }
 
-      if (jds.getDatasetSequence().getSequenceFeatures() != null)
+      if (jdatasq.getSequenceFeatures() != null)
       {
-        jalview.datamodel.SequenceFeature[] sf
-            = jds.getDatasetSequence().getSequenceFeatures();
+        jalview.datamodel.SequenceFeature[] sf = jdatasq
+                .getSequenceFeatures();
         int index = 0;
         while (index < sf.length)
         {
@@ -328,8 +716,7 @@ public class Jalview2XML
               key = keys.nextElement().toString();
               OtherData keyValue = new OtherData();
               keyValue.setKey(key);
-              keyValue.setValue(
-                  sf[index].otherDetails.get(key).toString());
+              keyValue.setValue(sf[index].otherDetails.get(key).toString());
               features.addOtherData(keyValue);
             }
           }
@@ -339,83 +726,84 @@ public class Jalview2XML
         }
       }
 
-      if (jds.getDatasetSequence().getPDBId() != null)
+      if (jdatasq.getPDBId() != null)
       {
-        Enumeration en = jds.getDatasetSequence().getPDBId().elements();
+        Enumeration en = jdatasq.getPDBId().elements();
         while (en.hasMoreElements())
         {
           Pdbids pdb = new Pdbids();
-          jalview.datamodel.PDBEntry entry
-              = (jalview.datamodel.PDBEntry) en.nextElement();
+          jalview.datamodel.PDBEntry entry = (jalview.datamodel.PDBEntry) en
+                  .nextElement();
 
           pdb.setId(entry.getId());
           pdb.setType(entry.getType());
 
-          AppJmol jmol;
-          //This must have been loaded, is it still visible?
+          /*
+           * Store any structure views associated with this sequence. This
+           * section copes with duplicate entries in the project, so a dataset
+           * only view *should* be coped with sensibly.
+           */
+          // This must have been loaded, is it still visible?
           JInternalFrame[] frames = Desktop.desktop.getAllFrames();
+          String matchedFile = null;
           for (int f = frames.length - 1; f > -1; f--)
           {
-            if (frames[f] instanceof AppJmol)
+            if (frames[f] instanceof StructureViewerBase)
             {
-              jmol = (AppJmol) frames[f];
-              if (!jmol.pdbentry.getId().equals(entry.getId()))
-                continue;
-
-
-              StructureState state = new StructureState();
-              state.setVisible(true);
-              state.setXpos(jmol.getX());
-              state.setYpos(jmol.getY());
-              state.setWidth(jmol.getWidth());
-              state.setHeight(jmol.getHeight());
-
-              String statestring = jmol.viewer.getStateInfo();
-              if(state!=null)
-              {
-                state.setContent(statestring.replaceAll("\n", ""));
-              }
-              for (int s = 0; s < jmol.sequence.length; s++)
-              {
-                if (jal.findIndex(jmol.sequence[s]) > -1)
-                {
-                  pdb.addStructureState(state);
-                }
-              }
+              StructureViewerBase viewFrame = (StructureViewerBase) frames[f];
+              matchedFile = saveStructureState(ap, jds, pdb, entry,
+                      viewIds, matchedFile, viewFrame);
             }
           }
 
-
-          if (entry.getFile() != null)
+          if (matchedFile != null || entry.getFile() != null)
           {
-            pdb.setFile(entry.getFile());
+            if (entry.getFile() != null)
+            {
+              // use entry's file
+              matchedFile = entry.getFile();
+            }
+            pdb.setFile(matchedFile); // entry.getFile());
             if (pdbfiles == null)
             {
-              pdbfiles = new Vector();
+              pdbfiles = new ArrayList<String>();
             }
 
             if (!pdbfiles.contains(entry.getId()))
             {
-              pdbfiles.addElement(entry.getId());
+              pdbfiles.add(entry.getId());
+              DataInputStream dis = null;
               try
               {
-                File file = new File(entry.getFile());
+                File file = new File(matchedFile);
                 if (file.exists() && jout != null)
                 {
-                  byte[] data = new byte[ (int) file.length()];
+                  byte[] data = new byte[(int) file.length()];
                   jout.putNextEntry(new JarEntry(entry.getId()));
-                  DataInputStream dis = new DataInputStream(new
-                      FileInputStream(file));
+                  dis = new DataInputStream(
+                          new FileInputStream(file));
                   dis.readFully(data);
 
                   DataOutputStream dout = new DataOutputStream(jout);
                   dout.write(data, 0, data.length);
+                  dout.flush();
                   jout.closeEntry();
                 }
-              }
-              catch (Exception ex)
+              } catch (Exception ex)
               {
-                  ex.printStackTrace();
+                ex.printStackTrace();
+              } finally
+              {
+                if (dis != null)
+                {
+                  try
+                  {
+                    dis.close();
+                  } catch (IOException e)
+                  {
+                    // ignore
+                  }
+                }
               }
 
             }
@@ -444,14 +832,51 @@ public class Jalview2XML
       jms.addJSeq(jseq);
     }
 
-    if (av.hasHiddenRows)
+    if (!storeDS && av.hasHiddenRows())
+    {
+      jal = av.getAlignment();
+    }
+    // SAVE MAPPINGS
+    if (jal.getCodonFrames() != null && jal.getCodonFrames().length > 0)
     {
-      jal = av.alignment;
+      jalview.datamodel.AlignedCodonFrame[] jac = jal.getCodonFrames();
+      for (int i = 0; i < jac.length; i++)
+      {
+        AlcodonFrame alc = new AlcodonFrame();
+        vamsasSet.addAlcodonFrame(alc);
+        for (int p = 0; p < jac[i].aaWidth; p++)
+        {
+          Alcodon cmap = new Alcodon();
+          if (jac[i].codons[p] != null)
+          {
+            // Null codons indicate a gapped column in the translated peptide
+            // alignment.
+            cmap.setPos1(jac[i].codons[p][0]);
+            cmap.setPos2(jac[i].codons[p][1]);
+            cmap.setPos3(jac[i].codons[p][2]);
+          }
+          alc.addAlcodon(cmap);
+        }
+        if (jac[i].getProtMappings() != null
+                && jac[i].getProtMappings().length > 0)
+        {
+          SequenceI[] dnas = jac[i].getdnaSeqs();
+          jalview.datamodel.Mapping[] pmaps = jac[i].getProtMappings();
+          for (int m = 0; m < pmaps.length; m++)
+          {
+            AlcodMap alcmap = new AlcodMap();
+            alcmap.setDnasq(seqHash(dnas[m]));
+            alcmap.setMapping(createVamsasMapping(pmaps[m], dnas[m], null,
+                    false));
+            alc.addAlcodMap(alcmap);
+          }
+        }
+      }
     }
 
-    //SAVE TREES
-    ///////////////////////////////////
-    if (av.currentTree != null)
+    // SAVE TREES
+    // /////////////////////////////////
+    if (!storeDS && av.currentTree != null)
     {
       // FIND ANY ASSOCIATED TREES
       // NOT IMPLEMENTED FOR HEADLESS STATE AT PRESENT
@@ -465,11 +890,11 @@ public class Jalview2XML
           {
             TreePanel tp = (TreePanel) frames[t];
 
-            if (tp.treeCanvas.av.alignment == jal)
+            if (tp.treeCanvas.av.getAlignment() == jal)
             {
               Tree tree = new Tree();
               tree.setTitle(tp.getTitle());
-              tree.setCurrentTree( (av.currentTree == tp.getTree()));
+              tree.setCurrentTree((av.currentTree == tp.getTree()));
               tree.setNewick(tp.getTree().toString());
               tree.setThreshold(tp.treeCanvas.threshold);
 
@@ -486,127 +911,59 @@ public class Jalview2XML
               tree.setWidth(tp.getWidth());
               tree.setXpos(tp.getX());
               tree.setYpos(tp.getY());
-
+              tree.setId(makeHashCode(tp, null));
               jms.addTree(tree);
             }
           }
         }
       }
     }
-
-    //SAVE ANNOTATIONS
-    if (jal.getAlignmentAnnotation() != null)
+    // SAVE ANNOTATIONS
+    /**
+     * store forward refs from an annotationRow to any groups
+     */
+    IdentityHashMap groupRefs = new IdentityHashMap();
+    if (storeDS)
     {
-      jalview.datamodel.AlignmentAnnotation[] aa = jal.getAlignmentAnnotation();
-
-      for (int i = 0; i < aa.length; i++)
+      for (SequenceI sq : jal.getSequences())
       {
-        Annotation an = new Annotation();
-
-        if (aa[i].annotationId != null)
-        {
-          annotationIds.put(aa[i].annotationId, aa[i]);
-        }
-
-        an.setId(aa[i].annotationId);
-
-        if (aa[i] == av.quality ||
-            aa[i] == av.conservation ||
-            aa[i] == av.consensus)
-        {
-          an.setLabel(aa[i].label);
-          an.setGraph(true);
-          vamsasSet.addAnnotation(an);
-          continue;
-        }
-
-        an.setDescription(aa[i].description);
-
-        if (aa[i].sequenceRef != null)
-        {
-          an.setSequenceRef(aa[i].sequenceRef.getName());
-        }
-
-        if (aa[i].graph > 0)
-        {
-          an.setGraph(true);
-          an.setGraphType(aa[i].graph);
-          an.setGraphGroup(aa[i].graphGroup);
-          if (aa[i].getThreshold() != null)
-          {
-            ThresholdLine line = new ThresholdLine();
-            line.setLabel(aa[i].getThreshold().label);
-            line.setValue(aa[i].getThreshold().value);
-            line.setColour(aa[i].getThreshold().colour.getRGB());
-            an.setThresholdLine(line);
-          }
-        }
-        else
-        {
-          an.setGraph(false);
-        }
-
-        an.setLabel(aa[i].label);
-        if (aa[i].hasScore())
-        {
-          an.setScore(aa[i].getScore());
-        }
-        AnnotationElement ae;
-        if (aa[i].annotations!=null)
+        // Store annotation on dataset sequences only
+        jalview.datamodel.AlignmentAnnotation[] aa = sq.getAnnotation();
+        if (aa != null && aa.length > 0)
         {
-          an.setScoreOnly(false);
-          for (int a = 0; a < aa[i].annotations.length; a++)
-          {
-            if ((aa[i] == null) || (aa[i].annotations[a] == null))
-            {
-              continue;
-            }
-
-            ae = new AnnotationElement();
-            if (aa[i].annotations[a].description != null)
-              ae.setDescription(aa[i].annotations[a].description);
-            if(aa[i].annotations[a].displayCharacter!=null)
-              ae.setDisplayCharacter(aa[i].annotations[a].displayCharacter);
-
-            if (!Float.isNaN(aa[i].annotations[a].value))
-              ae.setValue(aa[i].annotations[a].value);
-
-            ae.setPosition(a);
-            if (aa[i].annotations[a].secondaryStructure != ' '
-                && aa[i].annotations[a].secondaryStructure != '\0')
-              ae.setSecondaryStructure(aa[i].annotations[a].secondaryStructure
-                                       + "");
-
-            if (aa[i].annotations[a].colour!=null
-                && aa[i].annotations[a].colour != java.awt.Color.black)
-            {
-              ae.setColour(aa[i].annotations[a].colour.getRGB());
-            }
-
-            an.addAnnotationElement(ae);
-          }
-        } else {
-          an.setScoreOnly(true);
+          storeAlignmentAnnotation(aa, groupRefs, av, calcIdSet, storeDS,
+                  vamsasSet);
         }
-        vamsasSet.addAnnotation(an);
       }
     }
-
-    //SAVE GROUPS
+    else
+    {
+      if (jal.getAlignmentAnnotation() != null)
+      {
+        // Store the annotation shown on the alignment.
+        jalview.datamodel.AlignmentAnnotation[] aa = jal
+                .getAlignmentAnnotation();
+        storeAlignmentAnnotation(aa, groupRefs, av, calcIdSet, storeDS,
+                vamsasSet);
+      }
+    }
+    // SAVE GROUPS
     if (jal.getGroups() != null)
     {
       JGroup[] groups = new JGroup[jal.getGroups().size()];
-
-      for (int i = 0; i < groups.length; i++)
+      int i = -1;
+      for (jalview.datamodel.SequenceGroup sg : jal.getGroups())
       {
-        groups[i] = new JGroup();
+        groups[++i] = new JGroup();
 
-        jalview.datamodel.SequenceGroup sg = (jalview.datamodel.SequenceGroup)
-            jal.getGroups()
-            .elementAt(i);
         groups[i].setStart(sg.getStartRes());
         groups[i].setEnd(sg.getEndRes());
         groups[i].setName(sg.getName());
+        if (groupRefs.containsKey(sg))
+        {
+          // group has references so set it's ID field
+          groups[i].setId(groupRefs.get(sg).toString());
+        }
         if (sg.cs != null)
         {
           if (sg.cs.conservationApplied())
@@ -615,32 +972,30 @@ public class Jalview2XML
 
             if (sg.cs instanceof jalview.schemes.UserColourScheme)
             {
-              groups[i].setColour(SetUserColourScheme(sg.cs,
-                  userColours,
-                  jms));
+              groups[i].setColour(setUserColourScheme(sg.cs, userColours,
+                      jms));
             }
             else
             {
-              groups[i].setColour(ColourSchemeProperty.getColourName(sg.
-                  cs));
+              groups[i]
+                      .setColour(ColourSchemeProperty.getColourName(sg.cs));
             }
           }
           else if (sg.cs instanceof jalview.schemes.AnnotationColourGradient)
           {
-            groups[i].setColour(
-                ColourSchemeProperty.getColourName(
-                    ( (jalview.schemes.AnnotationColourGradient) sg.cs).
-                    getBaseColour()));
+            groups[i].setColour("AnnotationColourGradient");
+            groups[i].setAnnotationColours(constructAnnotationColours(
+                    (jalview.schemes.AnnotationColourGradient) sg.cs,
+                    userColours, jms));
           }
           else if (sg.cs instanceof jalview.schemes.UserColourScheme)
           {
-            groups[i].setColour(SetUserColourScheme(sg.cs, userColours,
-                jms));
+            groups[i]
+                    .setColour(setUserColourScheme(sg.cs, userColours, jms));
           }
           else
           {
-            groups[i].setColour(ColourSchemeProperty.getColourName(
-                sg.cs));
+            groups[i].setColour(ColourSchemeProperty.getColourName(sg.cs));
           }
 
           groups[i].setPidThreshold(sg.cs.getThreshold());
@@ -653,1332 +1008,3738 @@ public class Jalview2XML
         groups[i].setTextCol1(sg.textColour.getRGB());
         groups[i].setTextCol2(sg.textColour2.getRGB());
         groups[i].setTextColThreshold(sg.thresholdTextColour);
-
+        groups[i].setShowUnconserved(sg.getShowNonconserved());
+        groups[i].setIgnoreGapsinConsensus(sg.getIgnoreGapsConsensus());
+        groups[i].setShowConsensusHistogram(sg.isShowConsensusHistogram());
+        groups[i].setShowSequenceLogo(sg.isShowSequenceLogo());
+        groups[i].setNormaliseSequenceLogo(sg.isNormaliseSequenceLogo());
         for (int s = 0; s < sg.getSize(); s++)
         {
-          jalview.datamodel.Sequence seq =
-              (jalview.datamodel.Sequence) sg.getSequenceAt(s);
-          groups[i].addSeq(seq.hashCode());
+          jalview.datamodel.Sequence seq = (jalview.datamodel.Sequence) sg
+                  .getSequenceAt(s);
+          groups[i].addSeq(seqHash(seq));
         }
       }
 
       jms.setJGroup(groups);
     }
+    if (!storeDS)
+    {
+      // /////////SAVE VIEWPORT
+      Viewport view = new Viewport();
+      view.setTitle(ap.alignFrame.getTitle());
+      view.setSequenceSetId(makeHashCode(av.getSequenceSetId(),
+              av.getSequenceSetId()));
+      view.setId(av.getViewId());
+      view.setViewName(av.viewName);
+      view.setGatheredViews(av.gatherViewsHere);
+
+      if (ap.av.explodedPosition != null)
+      {
+        view.setXpos(av.explodedPosition.x);
+        view.setYpos(av.explodedPosition.y);
+        view.setWidth(av.explodedPosition.width);
+        view.setHeight(av.explodedPosition.height);
+      }
+      else
+      {
+        view.setXpos(ap.alignFrame.getBounds().x);
+        view.setYpos(ap.alignFrame.getBounds().y);
+        view.setWidth(ap.alignFrame.getBounds().width);
+        view.setHeight(ap.alignFrame.getBounds().height);
+      }
 
-    ///////////SAVE VIEWPORT
-    Viewport view = new Viewport();
-    view.setTitle(ap.alignFrame.getTitle());
-    view.setSequenceSetId(av.getSequenceSetId());
-    view.setViewName(av.viewName);
-    view.setGatheredViews(av.gatherViewsHere);
-
-
+      view.setStartRes(av.startRes);
+      view.setStartSeq(av.startSeq);
 
-    if (ap.av.explodedPosition != null)
-    {
-      view.setXpos(av.explodedPosition.x);
-      view.setYpos(av.explodedPosition.y);
-      view.setWidth(av.explodedPosition.width);
-      view.setHeight(av.explodedPosition.height);
-    }
-    else
-    {
-      view.setXpos(ap.alignFrame.getBounds().x);
-      view.setYpos(ap.alignFrame.getBounds().y);
-      view.setWidth(ap.alignFrame.getBounds().width);
-      view.setHeight(ap.alignFrame.getBounds().height);
-    }
-
-    view.setStartRes(av.startRes);
-    view.setStartSeq(av.startSeq);
-
-    if (av.getGlobalColourScheme() instanceof jalview.schemes.UserColourScheme)
-    {
-      view.setBgColour(SetUserColourScheme(av.getGlobalColourScheme(),
-                                           userColours, jms));
-    }
-    else if (av.getGlobalColourScheme() instanceof jalview.schemes.
-             AnnotationColourGradient)
-    {
-      jalview.schemes.AnnotationColourGradient acg
-          = (jalview.schemes.AnnotationColourGradient) av.getGlobalColourScheme();
-
-      AnnotationColours ac = new AnnotationColours();
-      ac.setAboveThreshold(acg.getAboveThreshold());
-      ac.setThreshold(acg.getAnnotationThreshold());
-      ac.setAnnotation(acg.getAnnotation());
-      if (acg.getBaseColour() instanceof jalview.schemes.UserColourScheme)
+      if (av.getGlobalColourScheme() instanceof jalview.schemes.UserColourScheme)
+      {
+        view.setBgColour(setUserColourScheme(av.getGlobalColourScheme(),
+                userColours, jms));
+      }
+      else if (av.getGlobalColourScheme() instanceof jalview.schemes.AnnotationColourGradient)
       {
-        ac.setColourScheme(SetUserColourScheme(acg.getBaseColour(),
-                                               userColours, jms));
+        AnnotationColours ac = constructAnnotationColours(
+                (jalview.schemes.AnnotationColourGradient) av
+                        .getGlobalColourScheme(),
+                userColours, jms);
+
+        view.setAnnotationColours(ac);
+        view.setBgColour("AnnotationColourGradient");
       }
       else
       {
-        ac.setColourScheme(ColourSchemeProperty.getColourName(acg.getBaseColour()));
+        view.setBgColour(ColourSchemeProperty.getColourName(av
+                .getGlobalColourScheme()));
       }
 
-      ac.setMaxColour(acg.getMaxColour().getRGB());
-      ac.setMinColour(acg.getMinColour().getRGB());
-      view.setAnnotationColours(ac);
-      view.setBgColour("AnnotationColourGradient");
-    }
-    else
-    {
-      view.setBgColour(ColourSchemeProperty.getColourName(
-          av.getGlobalColourScheme()));
-    }
-
-    ColourSchemeI cs = av.getGlobalColourScheme();
+      ColourSchemeI cs = av.getGlobalColourScheme();
 
-    if (cs != null)
-    {
-      if (cs.conservationApplied())
+      if (cs != null)
       {
-        view.setConsThreshold(cs.getConservationInc());
-        if (cs instanceof jalview.schemes.UserColourScheme)
+        if (cs.conservationApplied())
+        {
+          view.setConsThreshold(cs.getConservationInc());
+          if (cs instanceof jalview.schemes.UserColourScheme)
+          {
+            view.setBgColour(setUserColourScheme(cs, userColours, jms));
+          }
+        }
+
+        if (cs instanceof ResidueColourScheme)
         {
-          view.setBgColour(SetUserColourScheme(cs, userColours, jms));
+          view.setPidThreshold(cs.getThreshold());
         }
       }
 
-      if (cs instanceof ResidueColourScheme)
+      view.setConservationSelected(av.getConservationSelected());
+      view.setPidSelected(av.getAbovePIDThreshold());
+      view.setFontName(av.font.getName());
+      view.setFontSize(av.font.getSize());
+      view.setFontStyle(av.font.getStyle());
+      view.setRenderGaps(av.renderGaps);
+      view.setShowAnnotation(av.isShowAnnotation());
+      view.setShowBoxes(av.getShowBoxes());
+      view.setShowColourText(av.getColourText());
+      view.setShowFullId(av.getShowJVSuffix());
+      view.setRightAlignIds(av.isRightAlignIds());
+      view.setShowSequenceFeatures(av.isShowSequenceFeatures());
+      view.setShowText(av.getShowText());
+      view.setShowUnconserved(av.getShowUnconserved());
+      view.setWrapAlignment(av.getWrapAlignment());
+      view.setTextCol1(av.textColour.getRGB());
+      view.setTextCol2(av.textColour2.getRGB());
+      view.setTextColThreshold(av.thresholdTextColour);
+      view.setShowConsensusHistogram(av.isShowConsensusHistogram());
+      view.setShowSequenceLogo(av.isShowSequenceLogo());
+      view.setNormaliseSequenceLogo(av.isNormaliseSequenceLogo());
+      view.setShowGroupConsensus(av.isShowGroupConsensus());
+      view.setShowGroupConservation(av.isShowGroupConservation());
+      view.setShowNPfeatureTooltip(av.isShowNpFeats());
+      view.setShowDbRefTooltip(av.isShowDbRefs());
+      view.setFollowHighlight(av.followHighlight);
+      view.setFollowSelection(av.followSelection);
+      view.setIgnoreGapsinConsensus(av.getIgnoreGapsConsensus());
+      if (av.getFeaturesDisplayed() != null)
       {
-        view.setPidThreshold(cs.getThreshold());
-      }
-    }
+        jalview.schemabinding.version2.FeatureSettings fs = new jalview.schemabinding.version2.FeatureSettings();
 
-    view.setConservationSelected(av.getConservationSelected());
-    view.setPidSelected(av.getAbovePIDThreshold());
-    view.setFontName(av.font.getName());
-    view.setFontSize(av.font.getSize());
-    view.setFontStyle(av.font.getStyle());
-    view.setRenderGaps(av.renderGaps);
-    view.setShowAnnotation(av.getShowAnnotation());
-    view.setShowBoxes(av.getShowBoxes());
-    view.setShowColourText(av.getColourText());
-    view.setShowFullId(av.getShowJVSuffix());
-    view.setRightAlignIds(av.rightAlignIds);
-    view.setShowSequenceFeatures(av.showSequenceFeatures);
-    view.setShowText(av.getShowText());
-    view.setWrapAlignment(av.getWrapAlignment());
-    view.setTextCol1(av.textColour.getRGB());
-    view.setTextCol2(av.textColour2.getRGB());
-    view.setTextColThreshold(av.thresholdTextColour);
+        String[] renderOrder = ap.getSeqPanel().seqCanvas.getFeatureRenderer()
+                .getRenderOrder().toArray(new String[0]);
 
-    if (av.featuresDisplayed != null)
-    {
-      jalview.schemabinding.version2.FeatureSettings fs
-          = new jalview.schemabinding.version2.FeatureSettings();
+        Vector settingsAdded = new Vector();
+        Object gstyle = null;
+        GraduatedColor gcol = null;
+        if (renderOrder != null)
+        {
+          for (int ro = 0; ro < renderOrder.length; ro++)
+          {
+            gstyle = ap.getSeqPanel().seqCanvas.getFeatureRenderer()
+                    .getFeatureStyle(renderOrder[ro]);
+            Setting setting = new Setting();
+            setting.setType(renderOrder[ro]);
+            if (gstyle instanceof GraduatedColor)
+            {
+              gcol = (GraduatedColor) gstyle;
+              setting.setColour(gcol.getMaxColor().getRGB());
+              setting.setMincolour(gcol.getMinColor().getRGB());
+              setting.setMin(gcol.getMin());
+              setting.setMax(gcol.getMax());
+              setting.setColourByLabel(gcol.isColourByLabel());
+              setting.setAutoScale(gcol.isAutoScale());
+              setting.setThreshold(gcol.getThresh());
+              setting.setThreshstate(gcol.getThreshType());
+            }
+            else
+            {
+              setting.setColour(ap.getSeqPanel().seqCanvas.getFeatureRenderer()
+                      .getColour(renderOrder[ro]).getRGB());
+            }
+
+            setting.setDisplay(av.getFeaturesDisplayed().isVisible(
+                    renderOrder[ro]));
+            float rorder = ap.getSeqPanel().seqCanvas.getFeatureRenderer()
+                    .getOrder(renderOrder[ro]);
+            if (rorder > -1)
+            {
+              setting.setOrder(rorder);
+            }
+            fs.addSetting(setting);
+            settingsAdded.addElement(renderOrder[ro]);
+          }
+        }
 
-      String[] renderOrder =
-          ap.seqPanel.seqCanvas.getFeatureRenderer().renderOrder;
+        // Make sure we save none displayed feature settings
+        Iterator en = ap.getSeqPanel().seqCanvas.getFeatureRenderer()
+                .getFeatureColours().keySet().iterator();
+        while (en.hasNext())
+        {
+          String key = en.next().toString();
+          if (settingsAdded.contains(key))
+          {
+            continue;
+          }
 
-      Vector settingsAdded = new Vector();
-      for (int ro = 0; ro < renderOrder.length; ro++)
-      {
-        Setting setting = new Setting();
-        setting.setType(renderOrder[ro]);
-        setting.setColour(
-            ap.seqPanel.seqCanvas.getFeatureRenderer().getColour(renderOrder[ro]).
-            getRGB()
-            );
+          Setting setting = new Setting();
+          setting.setType(key);
+          setting.setColour(ap.getSeqPanel().seqCanvas.getFeatureRenderer()
+                  .getColour(key).getRGB());
 
-        setting.setDisplay(
-            av.featuresDisplayed.containsKey(renderOrder[ro])
-            );
-        float rorder=ap.seqPanel.seqCanvas.getFeatureRenderer().getOrder(renderOrder[ro]);
-        if (rorder>-1) {
-          setting.setOrder(rorder);
+          setting.setDisplay(false);
+          float rorder = ap.getSeqPanel().seqCanvas.getFeatureRenderer()
+                  .getOrder(key);
+          if (rorder > -1)
+          {
+            setting.setOrder(rorder);
+          }
+          fs.addSetting(setting);
+          settingsAdded.addElement(key);
+        }
+        // is groups actually supposed to be a map here ?
+        en = ap.getSeqPanel().seqCanvas.getFeatureRenderer().getFeatureGroups()
+                .iterator();
+        Vector groupsAdded = new Vector();
+        while (en.hasNext())
+        {
+          String grp = en.next().toString();
+          if (groupsAdded.contains(grp))
+          {
+            continue;
+          }
+          Group g = new Group();
+          g.setName(grp);
+          g.setDisplay(((Boolean) ap.getSeqPanel().seqCanvas
+                  .getFeatureRenderer().checkGroupVisibility(grp, false))
+                  .booleanValue());
+          fs.addGroup(g);
+          groupsAdded.addElement(grp);
         }
-        fs.addSetting(setting);
-        settingsAdded.addElement(renderOrder[ro]);
+        jms.setFeatureSettings(fs);
+
       }
 
-      //Make sure we save none displayed feature settings
-      Enumeration en =
-          ap.seqPanel.seqCanvas.getFeatureRenderer().featureColours.keys();
-      while (en.hasMoreElements())
+      if (av.hasHiddenColumns())
       {
-        String key = en.nextElement().toString();
-        if (settingsAdded.contains(key))
+        if (av.getColumnSelection() == null
+                || av.getColumnSelection().getHiddenColumns() == null)
         {
-          continue;
+          warn("REPORT BUG: avoided null columnselection bug (DMAM reported). Please contact Jim about this.");
         }
-
-        Setting setting = new Setting();
-        setting.setType(key);
-        setting.setColour(
-            ap.seqPanel.seqCanvas.getFeatureRenderer().getColour(key).getRGB()
-            );
-
-        setting.setDisplay(false);
-        float rorder = ap.seqPanel.seqCanvas.getFeatureRenderer().getOrder(key);
-        if (rorder>-1)
+        else
         {
-          setting.setOrder(rorder);
+          for (int c = 0; c < av.getColumnSelection().getHiddenColumns()
+                  .size(); c++)
+          {
+            int[] region = av.getColumnSelection()
+                    .getHiddenColumns().get(c);
+            HiddenColumns hc = new HiddenColumns();
+            hc.setStart(region[0]);
+            hc.setEnd(region[1]);
+            view.addHiddenColumns(hc);
+          }
         }
-        fs.addSetting(setting);
-        settingsAdded.addElement(key);
       }
-      en = ap.seqPanel.seqCanvas.getFeatureRenderer().featureGroups.keys();
-      Vector groupsAdded=new Vector();
-      while (en.hasMoreElements())
+      if (calcIdSet.size() > 0)
       {
-        String grp = en.nextElement().toString();
-        if (groupsAdded.contains(grp))
+        for (String calcId : calcIdSet)
         {
-          continue;
+          if (calcId.trim().length() > 0)
+          {
+            CalcIdParam cidp = createCalcIdParam(calcId, av);
+            // Some calcIds have no parameters.
+            if (cidp != null)
+            {
+              view.addCalcIdParam(cidp);
+            }
+          }
         }
-        Group g = new Group();
-        g.setName(grp);
-        g.setDisplay(((Boolean)ap.seqPanel.seqCanvas.getFeatureRenderer().featureGroups.get(grp)).booleanValue());
-        fs.addGroup(g);
-        groupsAdded.addElement(grp);
       }
-      jms.setFeatureSettings(fs);
-
-    }
 
-    if (av.hasHiddenColumns)
-    {
-      for (int c = 0; c < av.getColumnSelection().getHiddenColumns().size(); c++)
-      {
-        int[] region = (int[]) av.getColumnSelection().getHiddenColumns().
-            elementAt(c);
-        HiddenColumns hc = new HiddenColumns();
-        hc.setStart(region[0]);
-        hc.setEnd(region[1]);
-        view.addHiddenColumns(hc);
-      }
+      jms.addViewport(view);
     }
-
-    jms.addViewport(view);
-
     object.setJalviewModelSequence(jms);
     object.getVamsasModel().addSequenceSet(vamsasSet);
 
-    if (out != null)
+    if (jout != null && fileName != null)
     {
-      //We may not want to right the object to disk,
-      //eg we can copy the alignViewport to a new view object
-      //using save and then load
+      // We may not want to write the object to disk,
+      // eg we can copy the alignViewport to a new view object
+      // using save and then load
       try
       {
-        if (!fileName.endsWith(".xml"))
-        {
-          fileName = fileName + ".xml";
-        }
-
         JarEntry entry = new JarEntry(fileName);
         jout.putNextEntry(entry);
-
-        object.marshal(out);
-      }
-      catch (Exception ex)
+        PrintWriter pout = new PrintWriter(new OutputStreamWriter(jout,
+                "UTF-8"));
+        org.exolab.castor.xml.Marshaller marshaller = new org.exolab.castor.xml.Marshaller(
+                pout);
+        marshaller.marshal(object);
+        pout.flush();
+        jout.closeEntry();
+      } catch (Exception ex)
       {
+        // TODO: raise error in GUI if marshalling failed.
         ex.printStackTrace();
       }
     }
     return object;
   }
 
-  String SetUserColourScheme(jalview.schemes.ColourSchemeI cs,
-                             Vector userColours, JalviewModelSequence jms)
+  /**
+   * Save the state of a structure viewer
+   * 
+   * @param ap
+   * @param jds
+   * @param pdb
+   *          the archive XML element under which to save the state
+   * @param entry
+   * @param viewIds
+   * @param matchedFile
+   * @param viewFrame
+   * @return
+   */
+  protected String saveStructureState(AlignmentPanel ap, SequenceI jds,
+          Pdbids pdb, PDBEntry entry, List<String> viewIds,
+          String matchedFile, StructureViewerBase viewFrame)
   {
-    String id = null;
-    jalview.schemes.UserColourScheme ucs = (jalview.schemes.UserColourScheme)
-        cs;
-
-    if (!userColours.contains(ucs))
+    final AAStructureBindingModel bindingModel = viewFrame
+            .getBinding();
+    for (int peid = 0; peid < bindingModel
+            .getPdbCount(); peid++)
     {
-      userColours.add(ucs);
-
-      java.awt.Color[] colours = ucs.getColours();
-      jalview.schemabinding.version2.UserColours uc = new jalview.schemabinding.
-          version2.UserColours();
-      jalview.schemabinding.version2.UserColourScheme jbucs = new jalview.
-          schemabinding.version2.UserColourScheme();
-
-      for (int i = 0; i < colours.length; i++)
+      final PDBEntry pdbentry = bindingModel.getPdbEntry(peid);
+      final String pdbId = pdbentry.getId();
+      if (!pdbId.equals(entry.getId())
+              && !(entry.getId().length() > 4 && entry.getId()
+                      .toLowerCase()
+                      .startsWith(pdbId.toLowerCase())))
       {
-        jalview.schemabinding.version2.Colour col = new jalview.schemabinding.
-            version2.Colour();
-        col.setName(ResidueProperties.aa[i]);
-        col.setRGB(jalview.util.Format.getHexString(colours[i]));
-        jbucs.addColour(col);
+        continue;
       }
-      if (ucs.getLowerCaseColours() != null)
+      if (matchedFile == null)
       {
-        colours = ucs.getLowerCaseColours();
-        for (int i = 0; i < colours.length; i++)
+        matchedFile = pdbentry.getFile();
+      }
+      else if (!matchedFile.equals(pdbentry
+              .getFile()))
+      {
+        Cache.log
+                .warn("Probably lost some PDB-Sequence mappings for this structure file (which apparently has same PDB Entry code): "
+                        + pdbentry.getFile());
+      }
+      // record the
+      // file so we
+      // can get at it if the ID
+      // match is ambiguous (e.g.
+      // 1QIP==1qipA)
+      String statestring = viewFrame.getStateInfo();
+
+      for (int smap = 0; smap < viewFrame.getBinding()
+              .getSequence()[peid].length; smap++)
+      {
+        // if (jal.findIndex(jmol.jmb.sequence[peid][smap]) > -1)
+        if (jds == viewFrame.getBinding().getSequence()[peid][smap])
         {
-          jalview.schemabinding.version2.Colour col = new jalview.schemabinding.
-              version2.Colour();
-          col.setName(ResidueProperties.aa[i].toLowerCase());
-          col.setRGB(jalview.util.Format.getHexString(colours[i]));
-          jbucs.addColour(col);
+          StructureState state = new StructureState();
+          state.setVisible(true);
+          state.setXpos(viewFrame.getX());
+          state.setYpos(viewFrame.getY());
+          state.setWidth(viewFrame.getWidth());
+          state.setHeight(viewFrame.getHeight());
+          final String viewId = viewFrame.getViewId();
+          state.setViewId(viewId);
+          state.setAlignwithAlignPanel(viewFrame.isUsedforaligment(ap));
+          state.setColourwithAlignPanel(viewFrame
+                  .isUsedforcolourby(ap));
+          state.setColourByJmol(viewFrame.isColouredByViewer());
+          /*
+           * Only store each structure viewer's state once in each XML document.
+           */
+          if (!viewIds.contains(viewId))
+          {
+            viewIds.add(viewId);
+            state.setContent(statestring.replaceAll("\n", ""));
+          }
+          else
+          {
+            state.setContent("# duplicate state");
+          }
+          pdb.addStructureState(state);
         }
       }
-
-      id = "ucs" + userColours.indexOf(ucs);
-      uc.setId(id);
-      uc.setUserColourScheme(jbucs);
-      jms.addUserColours(uc);
     }
-
-    return id;
+    return matchedFile;
   }
 
-  jalview.schemes.UserColourScheme GetUserColourScheme(
-      JalviewModelSequence jms, String id)
+  private AnnotationColours constructAnnotationColours(
+          AnnotationColourGradient acg, List<UserColourScheme> userColours,
+          JalviewModelSequence jms)
   {
-    UserColours[] uc = jms.getUserColours();
-    UserColours colours = null;
-
-    for (int i = 0; i < uc.length; i++)
-    {
-      if (uc[i].getId().equals(id))
-      {
-        colours = uc[i];
-
-        break;
-      }
-    }
-
-    java.awt.Color[] newColours = new java.awt.Color[24];
-
-    for (int i = 0; i < 24; i++)
+    AnnotationColours ac = new AnnotationColours();
+    ac.setAboveThreshold(acg.getAboveThreshold());
+    ac.setThreshold(acg.getAnnotationThreshold());
+    ac.setAnnotation(acg.getAnnotation());
+    if (acg.getBaseColour() instanceof jalview.schemes.UserColourScheme)
     {
-      newColours[i] = new java.awt.Color(Integer.parseInt(
-          colours.getUserColourScheme().getColour(i).getRGB(), 16));
+      ac.setColourScheme(setUserColourScheme(acg.getBaseColour(),
+              userColours, jms));
     }
-
-    jalview.schemes.UserColourScheme ucs =
-        new jalview.schemes.UserColourScheme(newColours);
-
-    if (colours.getUserColourScheme().getColourCount() > 24)
+    else
     {
-      newColours = new java.awt.Color[23];
-      for (int i = 0; i < 23; i++)
-      {
-        newColours[i] = new java.awt.Color(Integer.parseInt(
-            colours.getUserColourScheme().getColour(i + 24).getRGB(), 16));
-      }
-      ucs.setLowerCaseColours(newColours);
+      ac.setColourScheme(ColourSchemeProperty.getColourName(acg
+              .getBaseColour()));
     }
 
-    return ucs;
+    ac.setMaxColour(acg.getMaxColour().getRGB());
+    ac.setMinColour(acg.getMinColour().getRGB());
+    ac.setPerSequence(acg.isSeqAssociated());
+    ac.setPredefinedColours(acg.isPredefinedColours());
+    return ac;
   }
 
-  /**
-   * DOCUMENT ME!
-   *
-   * @param file DOCUMENT ME!
-   */
-  public AlignFrame LoadJalviewAlign(final String file)
+  private void storeAlignmentAnnotation(AlignmentAnnotation[] aa,
+          IdentityHashMap groupRefs, AlignmentViewport av,
+          Set<String> calcIdSet, boolean storeDS, SequenceSet vamsasSet)
   {
-    uniqueSetSuffix = System.currentTimeMillis() % 100000 + "";
-
-    jalview.gui.AlignFrame af = null;
-
-    seqRefIds = new Hashtable();
-    viewportsAdded = new Hashtable();
-
-    Hashtable gatherToThisFrame = new Hashtable();
 
-    try
+    for (int i = 0; i < aa.length; i++)
     {
-      //UNMARSHALLER SEEMS TO CLOSE JARINPUTSTREAM, MOST ANNOYING
-      URL url = null;
+      Annotation an = new Annotation();
 
-      if (file.startsWith("http://"))
+      if (aa[i].annotationId != null)
       {
-        url = new URL(file);
+        annotationIds.put(aa[i].annotationId, aa[i]);
       }
 
-      JarInputStream jin = null;
-      JarEntry jarentry = null;
-      int entryCount = 1;
+      an.setId(aa[i].annotationId);
 
-      do
+      an.setVisible(aa[i].visible);
+
+      an.setDescription(aa[i].description);
+
+      if (aa[i].sequenceRef != null)
       {
-        if (url != null)
-        {
-          jin = new JarInputStream(url.openStream());
-        }
-        else
+        // TODO later annotation sequenceRef should be the XML ID of the
+        // sequence rather than its display name
+        an.setSequenceRef(aa[i].sequenceRef.getName());
+      }
+      if (aa[i].groupRef != null)
+      {
+        Object groupIdr = groupRefs.get(aa[i].groupRef);
+        if (groupIdr == null)
         {
-          jin = new JarInputStream(new FileInputStream(file));
+          // make a locally unique String
+          groupRefs.put(aa[i].groupRef,
+                  groupIdr = ("" + System.currentTimeMillis()
+                          + aa[i].groupRef.getName() + groupRefs.size()));
         }
+        an.setGroupRef(groupIdr.toString());
+      }
 
-        for (int i = 0; i < entryCount; i++)
-        {
-          jarentry = jin.getNextJarEntry();
-        }
+      // store all visualization attributes for annotation
+      an.setGraphHeight(aa[i].graphHeight);
+      an.setCentreColLabels(aa[i].centreColLabels);
+      an.setScaleColLabels(aa[i].scaleColLabel);
+      an.setShowAllColLabels(aa[i].showAllColLabels);
+      an.setBelowAlignment(aa[i].belowAlignment);
 
-        if (jarentry != null && jarentry.getName().endsWith(".xml"))
+      if (aa[i].graph > 0)
+      {
+        an.setGraph(true);
+        an.setGraphType(aa[i].graph);
+        an.setGraphGroup(aa[i].graphGroup);
+        if (aa[i].getThreshold() != null)
         {
-          InputStreamReader in = new InputStreamReader(jin, "UTF-8");
-          JalviewModel object = new JalviewModel();
+          ThresholdLine line = new ThresholdLine();
+          line.setLabel(aa[i].getThreshold().label);
+          line.setValue(aa[i].getThreshold().value);
+          line.setColour(aa[i].getThreshold().colour.getRGB());
+          an.setThresholdLine(line);
+        }
+      }
+      else
+      {
+        an.setGraph(false);
+      }
 
-          Unmarshaller unmar = new Unmarshaller(object);
-          unmar.setValidation(false);
-          object = (JalviewModel) unmar.unmarshal(in);
+      an.setLabel(aa[i].label);
 
-          af = LoadFromObject(object, file, true);
-          if (af.viewport.gatherViewsHere)
-          {
-            gatherToThisFrame.put(af.viewport.getSequenceSetId(), af);
-          }
-          entryCount++;
-        }
-        else if (jarentry != null)
-        {
-          //Some other file here.
-          entryCount++;
-        }
+      if (aa[i] == av.getAlignmentQualityAnnot()
+              || aa[i] == av.getAlignmentConservationAnnotation()
+              || aa[i] == av.getAlignmentConsensusAnnotation()
+              || aa[i].autoCalculated)
+      {
+        // new way of indicating autocalculated annotation -
+        an.setAutoCalculated(aa[i].autoCalculated);
+      }
+      if (aa[i].hasScore())
+      {
+        an.setScore(aa[i].getScore());
       }
-      while (jarentry != null);
-    }
-    catch (java.net.UnknownHostException ex)
-    {
-      ex.printStackTrace();
-      System.err.println("Couldn't locate Jalview XML file : " +
-                         ex + "\n");
 
-      javax.swing.SwingUtilities.invokeLater(new Runnable()
+      if (aa[i].getCalcId() != null)
       {
-        public void run()
+        calcIdSet.add(aa[i].getCalcId());
+        an.setCalcId(aa[i].getCalcId());
+      }
+      if (aa[i].hasProperties())
+      {
+        for (String pr : aa[i].getProperties())
         {
-          JOptionPane.showInternalMessageDialog(Desktop.desktop,
-                                                "Couldn't locate " + file,
-                                                "URL not found",
-                                                JOptionPane.WARNING_MESSAGE);
+          Property prop = new Property();
+          prop.setName(pr);
+          prop.setValue(aa[i].getProperty(pr));
+          an.addProperty(prop);
         }
-      });
-    }
-    catch (Exception ex)
-    {
-      //Is Version 1 Jar file?
-      af = new Jalview2XML_V1().LoadJalviewAlign(file);
-
-      if (af != null)
-      {
-        System.out.println("Successfully loaded archive file");
-        return af;
       }
-      ex.printStackTrace();
 
-      System.err.println("Exception whilst loading jalview XML file : " +
-                         ex + "\n");
-      javax.swing.SwingUtilities.invokeLater(new Runnable()
+      AnnotationElement ae;
+      if (aa[i].annotations != null)
       {
-        public void run()
+        an.setScoreOnly(false);
+        for (int a = 0; a < aa[i].annotations.length; a++)
         {
+          if ((aa[i] == null) || (aa[i].annotations[a] == null))
+          {
+            continue;
+          }
 
-          JOptionPane.showInternalMessageDialog(Desktop.desktop,
-                                                "Error loading  " + file,
-                                                "Error loading Jalview file",
-                                                JOptionPane.WARNING_MESSAGE);
-        }
-      });
-    }
+          ae = new AnnotationElement();
+          if (aa[i].annotations[a].description != null)
+          {
+            ae.setDescription(aa[i].annotations[a].description);
+          }
+          if (aa[i].annotations[a].displayCharacter != null)
+          {
+            ae.setDisplayCharacter(aa[i].annotations[a].displayCharacter);
+          }
 
-    if (Desktop.instance != null)
-    {
-      Desktop.instance.stopLoading();
-    }
+          if (!Float.isNaN(aa[i].annotations[a].value))
+          {
+            ae.setValue(aa[i].annotations[a].value);
+          }
 
-    Enumeration en = gatherToThisFrame.elements();
-    while(en.hasMoreElements())
-    {
-      Desktop.instance.gatherViews(
-          (AlignFrame) en.nextElement());
+          ae.setPosition(a);
+          if (aa[i].annotations[a].secondaryStructure > ' ')
+          {
+            ae.setSecondaryStructure(aa[i].annotations[a].secondaryStructure
+                    + "");
+          }
+
+          if (aa[i].annotations[a].colour != null
+                  && aa[i].annotations[a].colour != java.awt.Color.black)
+          {
+            ae.setColour(aa[i].annotations[a].colour.getRGB());
+          }
+
+          an.addAnnotationElement(ae);
+          if (aa[i].autoCalculated)
+          {
+            // only write one non-null entry into the annotation row -
+            // sufficient to get the visualization attributes necessary to
+            // display data
+            continue;
+          }
+        }
+      }
+      else
+      {
+        an.setScoreOnly(true);
+      }
+      if (!storeDS || (storeDS && !aa[i].autoCalculated))
+      {
+        // skip autocalculated annotation - these are only provided for
+        // alignments
+        vamsasSet.addAnnotation(an);
+      }
     }
 
-    return af;
   }
 
-  Hashtable alreadyLoadedPDB;
-  String loadPDBFile(String file, String pdbId)
+  private CalcIdParam createCalcIdParam(String calcId, AlignViewport av)
   {
-    if (alreadyLoadedPDB == null)
-      alreadyLoadedPDB = new Hashtable();
-
-    if (alreadyLoadedPDB.containsKey(pdbId))
-      return alreadyLoadedPDB.get(pdbId).toString();
-
-    try
+    AutoCalcSetting settings = av.getCalcIdSettingsFor(calcId);
+    if (settings != null)
     {
-      JarInputStream jin = null;
-
-      if (file.startsWith("http://"))
+      CalcIdParam vCalcIdParam = new CalcIdParam();
+      vCalcIdParam.setCalcId(calcId);
+      vCalcIdParam.addServiceURL(settings.getServiceURI());
+      // generic URI allowing a third party to resolve another instance of the
+      // service used for this calculation
+      for (String urls : settings.getServiceURLs())
       {
-        jin = new JarInputStream(new URL(file).openStream());
+        vCalcIdParam.addServiceURL(urls);
       }
-      else
+      vCalcIdParam.setVersion("1.0");
+      if (settings.getPreset() != null)
       {
-        jin = new JarInputStream(new FileInputStream(file));
+        WsParamSetI setting = settings.getPreset();
+        vCalcIdParam.setName(setting.getName());
+        vCalcIdParam.setDescription(setting.getDescription());
       }
-
-      JarEntry entry = null;
-      do
+      else
       {
-        entry = jin.getNextJarEntry();
+        vCalcIdParam.setName("");
+        vCalcIdParam.setDescription("Last used parameters");
       }
-      while (!entry.getName().equals(pdbId));
-
-      BufferedReader in = new BufferedReader(new InputStreamReader(jin));
-      File outFile = File.createTempFile("jalview_pdb", ".txt");
-      outFile.deleteOnExit();
-      PrintWriter out = new PrintWriter(new FileOutputStream(outFile));
-      String data;
+      // need to be able to recover 1) settings 2) user-defined presets or
+      // recreate settings from preset 3) predefined settings provided by
+      // service - or settings that can be transferred (or discarded)
+      vCalcIdParam.setParameters(settings.getWsParamFile().replace("\n",
+              "|\\n|"));
+      vCalcIdParam.setAutoUpdate(settings.isAutoUpdate());
+      // todo - decide if updateImmediately is needed for any projects.
+
+      return vCalcIdParam;
+    }
+    return null;
+  }
 
-      while ( (data = in.readLine()) != null)
+  private boolean recoverCalcIdParam(CalcIdParam calcIdParam,
+          AlignViewport av)
+  {
+    if (calcIdParam.getVersion().equals("1.0"))
+    {
+      Jws2Instance service = Jws2Discoverer.getDiscoverer()
+              .getPreferredServiceFor(calcIdParam.getServiceURL());
+      if (service != null)
       {
-        out.println(data);
+        WsParamSetI parmSet = null;
+        try
+        {
+          parmSet = service.getParamStore().parseServiceParameterFile(
+                  calcIdParam.getName(), calcIdParam.getDescription(),
+                  calcIdParam.getServiceURL(),
+                  calcIdParam.getParameters().replace("|\\n|", "\n"));
+        } catch (IOException x)
+        {
+          warn("Couldn't parse parameter data for "
+                  + calcIdParam.getCalcId(), x);
+          return false;
+        }
+        List<ArgumentI> argList = null;
+        if (calcIdParam.getName().length() > 0)
+        {
+          parmSet = service.getParamStore()
+                  .getPreset(calcIdParam.getName());
+          if (parmSet != null)
+          {
+            // TODO : check we have a good match with settings in AACon -
+            // otherwise we'll need to create a new preset
+          }
+        }
+        else
+        {
+          argList = parmSet.getArguments();
+          parmSet = null;
+        }
+        AAConSettings settings = new AAConSettings(
+                calcIdParam.isAutoUpdate(), service, parmSet, argList);
+        av.setCalcIdSettingsFor(calcIdParam.getCalcId(), settings,
+                calcIdParam.isNeedsUpdate());
+        return true;
+      }
+      else
+      {
+        warn("Cannot resolve a service for the parameters used in this project. Try configuring a JABAWS server.");
+        return false;
       }
-      out.close();
+    }
+    throw new Error(MessageManager.formatMessage("error.unsupported_version_calcIdparam", new String[]{calcIdParam.toString()}));
+  }
 
-      alreadyLoadedPDB.put(pdbId, outFile.getAbsolutePath());
-      return outFile.getAbsolutePath();
+  /**
+   * External mapping between jalview objects and objects yielding a valid and
+   * unique object ID string. This is null for normal Jalview project IO, but
+   * non-null when a jalview project is being read or written as part of a
+   * vamsas session.
+   */
+  IdentityHashMap jv2vobj = null;
 
-    }
-    catch (Exception ex)
+  /**
+   * Construct a unique ID for jvobj using either existing bindings or if none
+   * exist, the result of the hashcode call for the object.
+   * 
+   * @param jvobj
+   *          jalview data object
+   * @return unique ID for referring to jvobj
+   */
+  private String makeHashCode(Object jvobj, String altCode)
+  {
+    if (jv2vobj != null)
     {
-      ex.printStackTrace();
+      Object id = jv2vobj.get(jvobj);
+      if (id != null)
+      {
+        return id.toString();
+      }
+      // check string ID mappings
+      if (jvids2vobj != null && jvobj instanceof String)
+      {
+        id = jvids2vobj.get(jvobj);
+      }
+      if (id != null)
+      {
+        return id.toString();
+      }
+      // give up and warn that something has gone wrong
+      warn("Cannot find ID for object in external mapping : " + jvobj);
     }
-
-    return null;
+    return altCode;
   }
 
-  AlignFrame LoadFromObject(JalviewModel object,
-                            String file,
-                            boolean loadTreesAndStructures)
+  /**
+   * return local jalview object mapped to ID, if it exists
+   * 
+   * @param idcode
+   *          (may be null)
+   * @return null or object bound to idcode
+   */
+  private Object retrieveExistingObj(String idcode)
   {
-    SequenceSet vamsasSet = object.getVamsasModel().getSequenceSet(0);
-    Sequence[] vamsasSeq = vamsasSet.getSequence();
-
-    JalviewModelSequence jms = object.getJalviewModelSequence();
-
-    Viewport view = jms.getViewport(0);
-
-    //////////////////////////////////
-    //LOAD SEQUENCES
+    if (idcode != null && vobj2jv != null)
+    {
+      return vobj2jv.get(idcode);
+    }
+    return null;
+  }
 
-    Vector hiddenSeqs = null;
-    jalview.datamodel.Sequence jseq;
+  /**
+   * binding from ID strings from external mapping table to jalview data model
+   * objects.
+   */
+  private Hashtable vobj2jv;
 
-    ArrayList tmpseqs = new ArrayList();
+  private Sequence createVamsasSequence(String id, SequenceI jds)
+  {
+    return createVamsasSequence(true, id, jds, null);
+  }
 
-    boolean multipleView = false;
+  private Sequence createVamsasSequence(boolean recurse, String id,
+          SequenceI jds, SequenceI parentseq)
+  {
+    Sequence vamsasSeq = new Sequence();
+    vamsasSeq.setId(id);
+    vamsasSeq.setName(jds.getName());
+    vamsasSeq.setSequence(jds.getSequenceAsString());
+    vamsasSeq.setDescription(jds.getDescription());
+    jalview.datamodel.DBRefEntry[] dbrefs = null;
+    if (jds.getDatasetSequence() != null)
+    {
+      vamsasSeq.setDsseqid(seqHash(jds.getDatasetSequence()));
+      if (jds.getDatasetSequence().getDBRef() != null)
+      {
+        dbrefs = jds.getDatasetSequence().getDBRef();
+      }
+    }
+    else
+    {
+      vamsasSeq.setDsseqid(id); // so we can tell which sequences really are
+      // dataset sequences only
+      dbrefs = jds.getDBRef();
+    }
+    if (dbrefs != null)
+    {
+      for (int d = 0; d < dbrefs.length; d++)
+      {
+        DBRef dbref = new DBRef();
+        dbref.setSource(dbrefs[d].getSource());
+        dbref.setVersion(dbrefs[d].getVersion());
+        dbref.setAccessionId(dbrefs[d].getAccessionId());
+        if (dbrefs[d].hasMap())
+        {
+          Mapping mp = createVamsasMapping(dbrefs[d].getMap(), parentseq,
+                  jds, recurse);
+          dbref.setMapping(mp);
+        }
+        vamsasSeq.addDBRef(dbref);
+      }
+    }
+    return vamsasSeq;
+  }
 
-    JSeq[] JSEQ = object.getJalviewModelSequence().getJSeq();
-    for (int i = 0; i < JSEQ.length; i++)
+  private Mapping createVamsasMapping(jalview.datamodel.Mapping jmp,
+          SequenceI parentseq, SequenceI jds, boolean recurse)
+  {
+    Mapping mp = null;
+    if (jmp.getMap() != null)
     {
-      String seqId = JSEQ[i].getId() + "";
+      mp = new Mapping();
 
-      if (seqRefIds.get(seqId) != null)
+      jalview.util.MapList mlst = jmp.getMap();
+      int r[] = mlst.getFromRanges();
+      for (int s = 0; s < r.length; s += 2)
       {
-        tmpseqs.add( (jalview.datamodel.Sequence) seqRefIds.get(seqId));
-        multipleView = true;
+        MapListFrom mfrom = new MapListFrom();
+        mfrom.setStart(r[s]);
+        mfrom.setEnd(r[s + 1]);
+        mp.addMapListFrom(mfrom);
       }
-      else
+      r = mlst.getToRanges();
+      for (int s = 0; s < r.length; s += 2)
       {
-        jseq = new jalview.datamodel.Sequence(vamsasSeq[i].getName(),
-                                              vamsasSeq[i].getSequence());
-        jseq.setDescription(vamsasSeq[i].getDescription());
-        jseq.setStart(JSEQ[i].getStart());
-        jseq.setEnd(JSEQ[i].getEnd());
-        seqRefIds.put(vamsasSeq[i].getId(), jseq);
-        tmpseqs.add(jseq);
+        MapListTo mto = new MapListTo();
+        mto.setStart(r[s]);
+        mto.setEnd(r[s + 1]);
+        mp.addMapListTo(mto);
       }
-
-      if (JSEQ[i].getHidden())
+      mp.setMapFromUnit(mlst.getFromRatio());
+      mp.setMapToUnit(mlst.getToRatio());
+      if (jmp.getTo() != null)
       {
-        if (hiddenSeqs == null)
+        MappingChoice mpc = new MappingChoice();
+        if (recurse
+                && (parentseq != jmp.getTo() || parentseq
+                        .getDatasetSequence() != jmp.getTo()))
         {
-          hiddenSeqs = new Vector();
+          mpc.setSequence(createVamsasSequence(false, seqHash(jmp.getTo()),
+                  jmp.getTo(), jds));
+        }
+        else
+        {
+          String jmpid = "";
+          SequenceI ps = null;
+          if (parentseq != jmp.getTo()
+                  && parentseq.getDatasetSequence() != jmp.getTo())
+          {
+            // chaining dbref rather than a handshaking one
+            jmpid = seqHash(ps = jmp.getTo());
+          }
+          else
+          {
+            jmpid = seqHash(ps = parentseq);
+          }
+          mpc.setDseqFor(jmpid);
+          if (!seqRefIds.containsKey(mpc.getDseqFor()))
+          {
+            jalview.bin.Cache.log.debug("creatign new DseqFor ID");
+            seqRefIds.put(mpc.getDseqFor(), ps);
+          }
+          else
+          {
+            jalview.bin.Cache.log.debug("reusing DseqFor ID");
+          }
         }
+        mp.setMappingChoice(mpc);
+      }
+    }
+    return mp;
+  }
+
+  String setUserColourScheme(jalview.schemes.ColourSchemeI cs,
+          List<UserColourScheme> userColours, JalviewModelSequence jms)
+  {
+    String id = null;
+    jalview.schemes.UserColourScheme ucs = (jalview.schemes.UserColourScheme) cs;
+    boolean newucs = false;
+    if (!userColours.contains(ucs))
+    {
+      userColours.add(ucs);
+      newucs = true;
+    }
+    id = "ucs" + userColours.indexOf(ucs);
+    if (newucs)
+    {
+      // actually create the scheme's entry in the XML model
+      java.awt.Color[] colours = ucs.getColours();
+      jalview.schemabinding.version2.UserColours uc = new jalview.schemabinding.version2.UserColours();
+      jalview.schemabinding.version2.UserColourScheme jbucs = new jalview.schemabinding.version2.UserColourScheme();
 
-        hiddenSeqs.addElement(
-            (jalview.datamodel.Sequence) seqRefIds.get(seqId));
+      for (int i = 0; i < colours.length; i++)
+      {
+        jalview.schemabinding.version2.Colour col = new jalview.schemabinding.version2.Colour();
+        col.setName(ResidueProperties.aa[i]);
+        col.setRGB(jalview.util.Format.getHexString(colours[i]));
+        jbucs.addColour(col);
+      }
+      if (ucs.getLowerCaseColours() != null)
+      {
+        colours = ucs.getLowerCaseColours();
+        for (int i = 0; i < colours.length; i++)
+        {
+          jalview.schemabinding.version2.Colour col = new jalview.schemabinding.version2.Colour();
+          col.setName(ResidueProperties.aa[i].toLowerCase());
+          col.setRGB(jalview.util.Format.getHexString(colours[i]));
+          jbucs.addColour(col);
+        }
       }
 
+      uc.setId(id);
+      uc.setUserColourScheme(jbucs);
+      jms.addUserColours(uc);
     }
 
-    ///SequenceFeatures are added to the DatasetSequence,
-    // so we must create the dataset before loading features
-    /////////////////////////////////
+    return id;
+  }
 
+  jalview.schemes.UserColourScheme getUserColourScheme(
+          JalviewModelSequence jms, String id)
+  {
+    UserColours[] uc = jms.getUserColours();
+    UserColours colours = null;
 
-    jalview.datamodel.Sequence[] orderedSeqs = new jalview.datamodel.Sequence[
-        tmpseqs.size()];
+    for (int i = 0; i < uc.length; i++)
+    {
+      if (uc[i].getId().equals(id))
+      {
+        colours = uc[i];
 
-    tmpseqs.toArray(orderedSeqs);
+        break;
+      }
+    }
 
-    jalview.datamodel.Alignment al =
-        new jalview.datamodel.Alignment(orderedSeqs);
+    java.awt.Color[] newColours = new java.awt.Color[24];
 
-    for(int i=0; i<vamsasSet.getSequenceSetPropertiesCount(); i++ )
+    for (int i = 0; i < 24; i++)
     {
-      SequenceSetProperties ssp = vamsasSet.getSequenceSetProperties(i);
-      al.setProperty(ssp.getKey(), ssp.getValue());
+      newColours[i] = new java.awt.Color(Integer.parseInt(colours
+              .getUserColourScheme().getColour(i).getRGB(), 16));
     }
 
+    jalview.schemes.UserColourScheme ucs = new jalview.schemes.UserColourScheme(
+            newColours);
 
-    al.setDataset(null);
-    /////////////////////////////////
+    if (colours.getUserColourScheme().getColourCount() > 24)
+    {
+      newColours = new java.awt.Color[23];
+      for (int i = 0; i < 23; i++)
+      {
+        newColours[i] = new java.awt.Color(Integer.parseInt(colours
+                .getUserColourScheme().getColour(i + 24).getRGB(), 16));
+      }
+      ucs.setLowerCaseColours(newColours);
+    }
 
+    return ucs;
+  }
 
-    Hashtable pdbloaded = new Hashtable();
+  /**
+   * contains last error message (if any) encountered by XML loader.
+   */
+  String errorMessage = null;
 
-    if (!multipleView)
-    {
-      for (int i = 0; i < vamsasSeq.length; i++)
-      {
-        if (JSEQ[i].getFeaturesCount() > 0)
-        {
-          Features[] features = JSEQ[i].getFeatures();
-          for (int f = 0; f < features.length; f++)
-          {
-            jalview.datamodel.SequenceFeature sf
-                = new jalview.datamodel.SequenceFeature(features[f].getType(),
-                features[f].getDescription(), features[f].getStatus(),
-                features[f].getBegin(), features[f].getEnd(),
-                features[f].getFeatureGroup());
+  /**
+   * flag to control whether the Jalview2XML_V1 parser should be deferred to if
+   * exceptions are raised during project XML parsing
+   */
+  public boolean attemptversion1parse = true;
 
-            sf.setScore(features[f].getScore());
-            for (int od = 0; od < features[f].getOtherDataCount(); od++)
-            {
-              OtherData keyValue = features[f].getOtherData(od);
-              if (keyValue.getKey().startsWith("LINK"))
-              {
-                sf.addLink(keyValue.getValue());
-              }
-              else
-              {
-                sf.setValue(keyValue.getKey(), keyValue.getValue());
-              }
+  /**
+   * Load a jalview project archive from a jar file
+   * 
+   * @param file
+   *          - HTTP URL or filename
+   */
+  public AlignFrame loadJalviewAlign(final String file)
+  {
 
-            }
+    jalview.gui.AlignFrame af = null;
 
-            al.getSequenceAt(i).getDatasetSequence().addSequenceFeature(sf);
-          }
-        }
+    try
+    {
+      // create list to store references for any new Jmol viewers created
+      newStructureViewers = new Vector<JalviewStructureDisplayI>();
+      // UNMARSHALLER SEEMS TO CLOSE JARINPUTSTREAM, MOST ANNOYING
+      // Workaround is to make sure caller implements the JarInputStreamProvider
+      // interface
+      // so we can re-open the jar input stream for each entry.
 
-        if (JSEQ[i].getPdbidsCount() > 0)
-        {
-          Pdbids[] ids = JSEQ[i].getPdbids();
-          for (int p = 0; p < ids.length; p++)
-          {
-            jalview.datamodel.PDBEntry entry = new jalview.datamodel.
-                PDBEntry();
-            entry.setId(ids[p].getId());
-            entry.setType(ids[p].getType());
-            if (ids[p].getFile() != null)
-            {
-              if (!pdbloaded.containsKey(ids[p].getFile()))
-              {
-                entry.setFile(loadPDBFile(file, ids[p].getId()));
-              }
-              else
-              {
-                entry.setFile(pdbloaded.get(ids[p].getId()).toString());
-              }
-            }
+      jarInputStreamProvider jprovider = createjarInputStreamProvider(file);
+      af = loadJalviewAlign(jprovider);
 
-            al.getSequenceAt(i).getDatasetSequence().addPDBId(entry);
-          }
-        }
-        if (vamsasSeq[i].getDBRefCount() > 0)
+    } catch (MalformedURLException e)
+    {
+      errorMessage = "Invalid URL format for '" + file + "'";
+      reportErrors();
+    } finally
+    {
+      try
+      {
+        SwingUtilities.invokeAndWait(new Runnable()
         {
-          for (int d = 0; d < vamsasSeq[i].getDBRefCount(); d++)
+          public void run()
           {
-            jalview.datamodel.DBRefEntry entry =
-                new jalview.datamodel.DBRefEntry(
-                    vamsasSeq[i].getDBRef(d).getSource(),
-                    vamsasSeq[i].getDBRef(d).getVersion(),
-                    vamsasSeq[i].getDBRef(d).getAccessionId()
-                );
-            al.getSequenceAt(i).getDatasetSequence().addDBRef(entry);
-          }
+            setLoadingFinishedForNewStructureViewers();
+          };
+        });
+      } catch (Exception x)
+      {
 
-        }
       }
     }
+    return af;
+  }
 
-    /////////////////////////////////
-    //////////////////////////////////
-    //LOAD ANNOTATIONS
-    boolean hideQuality = true,
-        hideConservation = true,
-        hideConsensus = true;
-
-    if (vamsasSet.getAnnotationCount() > 0)
+  private jarInputStreamProvider createjarInputStreamProvider(
+          final String file) throws MalformedURLException
+  {
+    URL url = null;
+    errorMessage = null;
+    uniqueSetSuffix = null;
+    seqRefIds = null;
+    viewportsAdded = null;
+    frefedSequence = null;
+
+    if (file.startsWith("http://"))
+    {
+      url = new URL(file);
+    }
+    final URL _url = url;
+    return new jarInputStreamProvider()
     {
-      Annotation[] an = vamsasSet.getAnnotation();
 
-      for (int i = 0; i < an.length; i++)
+      @Override
+      public JarInputStream getJarInputStream() throws IOException
       {
-        if (an[i].getLabel().equals("Quality"))
-        {
-          hideQuality = false;
-          continue;
-        }
-        else if (an[i].getLabel().equals("Conservation"))
+        if (_url != null)
         {
-          hideConservation = false;
-          continue;
+          return new JarInputStream(_url.openStream());
         }
-        else if (an[i].getLabel().equals("Consensus"))
+        else
         {
-          hideConsensus = false;
-          continue;
+          return new JarInputStream(new FileInputStream(file));
         }
+      }
 
-        if (an[i].getId() != null
-            && annotationIds.containsKey(an[i].getId()))
-        {
-          al.addAnnotation(
-              (jalview.datamodel.AlignmentAnnotation) annotationIds.get(an[i].
-              getId())
-              );
+      @Override
+      public String getFilename()
+      {
+        return file;
+      }
+    };
+  }
 
-          continue;
-        }
+  /**
+   * Recover jalview session from a jalview project archive. Caller may
+   * initialise uniqueSetSuffix, seqRefIds, viewportsAdded and frefedSequence
+   * themselves. Any null fields will be initialised with default values,
+   * non-null fields are left alone.
+   * 
+   * @param jprovider
+   * @return
+   */
+  public AlignFrame loadJalviewAlign(final jarInputStreamProvider jprovider)
+  {
+    errorMessage = null;
+    if (uniqueSetSuffix == null)
+    {
+      uniqueSetSuffix = System.currentTimeMillis() % 100000 + "";
+    }
+    if (seqRefIds == null)
+    {
+      seqRefIds = new HashMap<String, SequenceI>();
+    }
+    if (viewportsAdded == null)
+    {
+      viewportsAdded = new Hashtable();
+    }
+    if (frefedSequence == null)
+    {
+      frefedSequence = new Vector();
+    }
 
-        AnnotationElement[] ae = an[i].getAnnotationElement();
-        jalview.datamodel.Annotation[] anot = null;
+    jalview.gui.AlignFrame af = null, _af = null;
+    Hashtable gatherToThisFrame = new Hashtable();
+    final String file = jprovider.getFilename();
+    try
+    {
+      JarInputStream jin = null;
+      JarEntry jarentry = null;
+      int entryCount = 1;
 
-        if (!an[i].getScoreOnly())
+      do
+      {
+        jin = jprovider.getJarInputStream();
+        for (int i = 0; i < entryCount; i++)
         {
-          anot = new jalview.datamodel.Annotation[
-                    al.getWidth()];
+          jarentry = jin.getNextJarEntry();
+        }
 
-          for (int aa = 0; aa < ae.length && aa < anot.length; aa++)
+        if (jarentry != null && jarentry.getName().endsWith(".xml"))
+        {
+          InputStreamReader in = new InputStreamReader(jin, "UTF-8");
+          JalviewModel object = new JalviewModel();
+
+          Unmarshaller unmar = new Unmarshaller(object);
+          unmar.setValidation(false);
+          object = (JalviewModel) unmar.unmarshal(in);
+          if (true) // !skipViewport(object))
+          {
+            _af = loadFromObject(object, file, true, jprovider);
+            if (object.getJalviewModelSequence().getViewportCount() > 0)
+            {
+              af = _af;
+              if (af.viewport.gatherViewsHere)
+              {
+                gatherToThisFrame.put(af.viewport.getSequenceSetId(), af);
+              }
+            }
+          }
+          entryCount++;
+        }
+        else if (jarentry != null)
+        {
+          // Some other file here.
+          entryCount++;
+        }
+      } while (jarentry != null);
+      resolveFrefedSequences();
+    } catch (java.io.FileNotFoundException ex)
+    {
+      ex.printStackTrace();
+      errorMessage = "Couldn't locate Jalview XML file : " + file;
+      System.err.println("Exception whilst loading jalview XML file : "
+              + ex + "\n");
+    } catch (java.net.UnknownHostException ex)
+    {
+      ex.printStackTrace();
+      errorMessage = "Couldn't locate Jalview XML file : " + file;
+      System.err.println("Exception whilst loading jalview XML file : "
+              + ex + "\n");
+    } catch (Exception ex)
+    {
+      System.err.println("Parsing as Jalview Version 2 file failed.");
+      ex.printStackTrace(System.err);
+      if (attemptversion1parse)
+      {
+        // Is Version 1 Jar file?
+        try
+        {
+          af = new Jalview2XML_V1(raiseGUI).LoadJalviewAlign(jprovider);
+        } catch (Exception ex2)
+        {
+          System.err.println("Exception whilst loading as jalviewXMLV1:");
+          ex2.printStackTrace();
+          af = null;
+        }
+      }
+      if (Desktop.instance != null)
+      {
+        Desktop.instance.stopLoading();
+      }
+      if (af != null)
+      {
+        System.out.println("Successfully loaded archive file");
+        return af;
+      }
+      ex.printStackTrace();
+
+      System.err.println("Exception whilst loading jalview XML file : "
+              + ex + "\n");
+    } catch (OutOfMemoryError e)
+    {
+      // Don't use the OOM Window here
+      errorMessage = "Out of memory loading jalview XML file";
+      System.err.println("Out of memory whilst loading jalview XML file");
+      e.printStackTrace();
+    }
+
+    if (Desktop.instance != null)
+    {
+      Desktop.instance.stopLoading();
+    }
+
+    Enumeration en = gatherToThisFrame.elements();
+    while (en.hasMoreElements())
+    {
+      Desktop.instance.gatherViews((AlignFrame) en.nextElement());
+    }
+    if (errorMessage != null)
+    {
+      reportErrors();
+    }
+    return af;
+  }
+
+  /**
+   * check errorMessage for a valid error message and raise an error box in the
+   * GUI or write the current errorMessage to stderr and then clear the error
+   * state.
+   */
+  protected void reportErrors()
+  {
+    reportErrors(false);
+  }
+
+  protected void reportErrors(final boolean saving)
+  {
+    if (errorMessage != null)
+    {
+      final String finalErrorMessage = errorMessage;
+      if (raiseGUI)
+      {
+        javax.swing.SwingUtilities.invokeLater(new Runnable()
+        {
+          @Override
+          public void run()
+          {
+            JOptionPane.showInternalMessageDialog(Desktop.desktop,
+                    finalErrorMessage, "Error "
+                            + (saving ? "saving" : "loading")
+                            + " Jalview file", JOptionPane.WARNING_MESSAGE);
+          }
+        });
+      }
+      else
+      {
+        System.err.println("Problem loading Jalview file: " + errorMessage);
+      }
+    }
+    errorMessage = null;
+  }
+
+  Hashtable<String, String> alreadyLoadedPDB;
+
+  /**
+   * when set, local views will be updated from view stored in JalviewXML
+   * Currently (28th Sep 2008) things will go horribly wrong in vamsas document
+   * sync if this is set to true.
+   */
+  private final boolean updateLocalViews = false;
+
+  String loadPDBFile(jarInputStreamProvider jprovider, String pdbId)
+  {
+    if (alreadyLoadedPDB == null)
+    {
+      alreadyLoadedPDB = new Hashtable();
+    }
+
+    if (alreadyLoadedPDB.containsKey(pdbId))
+    {
+      return alreadyLoadedPDB.get(pdbId).toString();
+    }
+
+    try
+    {
+      JarInputStream jin = jprovider.getJarInputStream();
+      /*
+       * if (jprovider.startsWith("http://")) { jin = new JarInputStream(new
+       * URL(jprovider).openStream()); } else { jin = new JarInputStream(new
+       * FileInputStream(jprovider)); }
+       */
+
+      JarEntry entry = null;
+      do
+      {
+        entry = jin.getNextJarEntry();
+      } while (entry != null && !entry.getName().equals(pdbId));
+      if (entry != null)
+      {
+        BufferedReader in = new BufferedReader(new InputStreamReader(jin));
+        File outFile = File.createTempFile("jalview_pdb", ".txt");
+        outFile.deleteOnExit();
+        PrintWriter out = new PrintWriter(new FileOutputStream(outFile));
+        String data;
+
+        while ((data = in.readLine()) != null)
+        {
+          out.println(data);
+        }
+        try
+        {
+          out.flush();
+        } catch (Exception foo)
+        {
+        }
+        ;
+        out.close();
+        String t = outFile.getAbsolutePath();
+        alreadyLoadedPDB.put(pdbId, t);
+        return t;
+      }
+      else
+      {
+        warn("Couldn't find PDB file entry in Jalview Jar for " + pdbId);
+      }
+    } catch (Exception ex)
+    {
+      ex.printStackTrace();
+    }
+
+    return null;
+  }
+
+  private class JvAnnotRow
+  {
+    public JvAnnotRow(int i, AlignmentAnnotation jaa)
+    {
+      order = i;
+      template = jaa;
+    }
+
+    /**
+     * persisted version of annotation row from which to take vis properties
+     */
+    public jalview.datamodel.AlignmentAnnotation template;
+
+    /**
+     * original position of the annotation row in the alignment
+     */
+    public int order;
+  }
+
+  /**
+   * Load alignment frame from jalview XML DOM object
+   * 
+   * @param object
+   *          DOM
+   * @param file
+   *          filename source string
+   * @param loadTreesAndStructures
+   *          when false only create Viewport
+   * @param jprovider
+   *          data source provider
+   * @return alignment frame created from view stored in DOM
+   */
+  AlignFrame loadFromObject(JalviewModel object, String file,
+          boolean loadTreesAndStructures, jarInputStreamProvider jprovider)
+  {
+    SequenceSet vamsasSet = object.getVamsasModel().getSequenceSet(0);
+    Sequence[] vamsasSeq = vamsasSet.getSequence();
+
+    JalviewModelSequence jms = object.getJalviewModelSequence();
+
+    Viewport view = (jms.getViewportCount() > 0) ? jms.getViewport(0)
+            : null;
+
+    // ////////////////////////////////
+    // LOAD SEQUENCES
+
+    Vector hiddenSeqs = null;
+    jalview.datamodel.Sequence jseq;
+
+    ArrayList tmpseqs = new ArrayList();
+
+    boolean multipleView = false;
+
+    JSeq[] jseqs = object.getJalviewModelSequence().getJSeq();
+    int vi = 0; // counter in vamsasSeq array
+    for (int i = 0; i < jseqs.length; i++)
+    {
+      String seqId = jseqs[i].getId();
+
+      if (seqRefIds.get(seqId) != null)
+      {
+        tmpseqs.add(seqRefIds.get(seqId));
+        multipleView = true;
+      }
+      else
+      {
+        jseq = new jalview.datamodel.Sequence(vamsasSeq[vi].getName(),
+                vamsasSeq[vi].getSequence());
+        jseq.setDescription(vamsasSeq[vi].getDescription());
+        jseq.setStart(jseqs[i].getStart());
+        jseq.setEnd(jseqs[i].getEnd());
+        jseq.setVamsasId(uniqueSetSuffix + seqId);
+        seqRefIds.put(vamsasSeq[vi].getId(), jseq);
+        tmpseqs.add(jseq);
+        vi++;
+      }
+
+      if (jseqs[i].getHidden())
+      {
+        if (hiddenSeqs == null)
+        {
+          hiddenSeqs = new Vector();
+        }
+
+        hiddenSeqs.addElement(seqRefIds.get(seqId));
+      }
+
+    }
+
+    // /
+    // Create the alignment object from the sequence set
+    // ///////////////////////////////
+    jalview.datamodel.Sequence[] orderedSeqs = new jalview.datamodel.Sequence[tmpseqs
+            .size()];
+
+    tmpseqs.toArray(orderedSeqs);
+
+    jalview.datamodel.Alignment al = new jalview.datamodel.Alignment(
+            orderedSeqs);
+
+    // / Add the alignment properties
+    for (int i = 0; i < vamsasSet.getSequenceSetPropertiesCount(); i++)
+    {
+      SequenceSetProperties ssp = vamsasSet.getSequenceSetProperties(i);
+      al.setProperty(ssp.getKey(), ssp.getValue());
+    }
+
+    // /
+    // SequenceFeatures are added to the DatasetSequence,
+    // so we must create or recover the dataset before loading features
+    // ///////////////////////////////
+    if (vamsasSet.getDatasetId() == null || vamsasSet.getDatasetId() == "")
+    {
+      // older jalview projects do not have a dataset id.
+      al.setDataset(null);
+    }
+    else
+    {
+      // recover dataset - passing on flag indicating if this a 'viewless'
+      // sequence set (a.k.a. a stored dataset for the project)
+      recoverDatasetFor(vamsasSet, al, object.getJalviewModelSequence()
+              .getViewportCount() == 0);
+    }
+    // ///////////////////////////////
+
+    Hashtable pdbloaded = new Hashtable();
+    if (!multipleView)
+    {
+      // load sequence features, database references and any associated PDB
+      // structures for the alignment
+      for (int i = 0; i < vamsasSeq.length; i++)
+      {
+        if (jseqs[i].getFeaturesCount() > 0)
+        {
+          Features[] features = jseqs[i].getFeatures();
+          for (int f = 0; f < features.length; f++)
+          {
+            jalview.datamodel.SequenceFeature sf = new jalview.datamodel.SequenceFeature(
+                    features[f].getType(), features[f].getDescription(),
+                    features[f].getStatus(), features[f].getBegin(),
+                    features[f].getEnd(), features[f].getFeatureGroup());
+
+            sf.setScore(features[f].getScore());
+            for (int od = 0; od < features[f].getOtherDataCount(); od++)
+            {
+              OtherData keyValue = features[f].getOtherData(od);
+              if (keyValue.getKey().startsWith("LINK"))
+              {
+                sf.addLink(keyValue.getValue());
+              }
+              else
+              {
+                sf.setValue(keyValue.getKey(), keyValue.getValue());
+              }
+
+            }
+
+            al.getSequenceAt(i).getDatasetSequence().addSequenceFeature(sf);
+          }
+        }
+        if (vamsasSeq[i].getDBRefCount() > 0)
+        {
+          addDBRefs(al.getSequenceAt(i).getDatasetSequence(), vamsasSeq[i]);
+        }
+        if (jseqs[i].getPdbidsCount() > 0)
+        {
+          Pdbids[] ids = jseqs[i].getPdbids();
+          for (int p = 0; p < ids.length; p++)
+          {
+            jalview.datamodel.PDBEntry entry = new jalview.datamodel.PDBEntry();
+            entry.setId(ids[p].getId());
+            entry.setType(ids[p].getType());
+            if (ids[p].getFile() != null)
+            {
+              if (!pdbloaded.containsKey(ids[p].getFile()))
+              {
+                entry.setFile(loadPDBFile(jprovider, ids[p].getId()));
+              }
+              else
+              {
+                entry.setFile(pdbloaded.get(ids[p].getId()).toString());
+              }
+            }
+            StructureSelectionManager.getStructureSelectionManager(
+                    Desktop.instance)
+                    .registerPDBEntry(entry);
+            al.getSequenceAt(i).getDatasetSequence().addPDBId(entry);
+          }
+        }
+      }
+    } // end !multipleview
+
+    // ///////////////////////////////
+    // LOAD SEQUENCE MAPPINGS
+
+    if (vamsasSet.getAlcodonFrameCount() > 0)
+    {
+      // TODO Potentially this should only be done once for all views of an
+      // alignment
+      AlcodonFrame[] alc = vamsasSet.getAlcodonFrame();
+      for (int i = 0; i < alc.length; i++)
+      {
+        jalview.datamodel.AlignedCodonFrame cf = new jalview.datamodel.AlignedCodonFrame(
+                alc[i].getAlcodonCount());
+        if (alc[i].getAlcodonCount() > 0)
+        {
+          Alcodon[] alcods = alc[i].getAlcodon();
+          for (int p = 0; p < cf.codons.length; p++)
+          {
+            if (alcods[p].hasPos1() && alcods[p].hasPos2()
+                    && alcods[p].hasPos3())
+            {
+              // translated codons require three valid positions
+              cf.codons[p] = new int[3];
+              cf.codons[p][0] = (int) alcods[p].getPos1();
+              cf.codons[p][1] = (int) alcods[p].getPos2();
+              cf.codons[p][2] = (int) alcods[p].getPos3();
+            }
+            else
+            {
+              cf.codons[p] = null;
+            }
+          }
+        }
+        if (alc[i].getAlcodMapCount() > 0)
+        {
+          AlcodMap[] maps = alc[i].getAlcodMap();
+          for (int m = 0; m < maps.length; m++)
+          {
+            SequenceI dnaseq = seqRefIds
+                    .get(maps[m].getDnasq());
+            // Load Mapping
+            jalview.datamodel.Mapping mapping = null;
+            // attach to dna sequence reference.
+            if (maps[m].getMapping() != null)
+            {
+              mapping = addMapping(maps[m].getMapping());
+            }
+            if (dnaseq != null)
+            {
+              cf.addMap(dnaseq, mapping.getTo(), mapping.getMap());
+            }
+            else
+            {
+              // defer to later
+              frefedSequence.add(new Object[]
+              { maps[m].getDnasq(), cf, mapping });
+            }
+          }
+        }
+        al.addCodonFrame(cf);
+      }
+
+    }
+
+    // ////////////////////////////////
+    // LOAD ANNOTATIONS
+    ArrayList<JvAnnotRow> autoAlan = new ArrayList<JvAnnotRow>();
+    /**
+     * store any annotations which forward reference a group's ID
+     */
+    Hashtable<String, ArrayList<jalview.datamodel.AlignmentAnnotation>> groupAnnotRefs = new Hashtable<String, ArrayList<jalview.datamodel.AlignmentAnnotation>>();
+
+    if (vamsasSet.getAnnotationCount() > 0)
+    {
+      Annotation[] an = vamsasSet.getAnnotation();
+
+      for (int i = 0; i < an.length; i++)
+      {
+        /**
+         * test if annotation is automatically calculated for this view only
+         */
+        boolean autoForView = false;
+        if (an[i].getLabel().equals("Quality")
+                || an[i].getLabel().equals("Conservation")
+                || an[i].getLabel().equals("Consensus"))
+        {
+          // Kludge for pre 2.5 projects which lacked the autocalculated flag
+          autoForView = true;
+          if (!an[i].hasAutoCalculated())
+          {
+            an[i].setAutoCalculated(true);
+          }
+        }
+        if (autoForView
+                || (an[i].hasAutoCalculated() && an[i].isAutoCalculated()))
+        {
+          // remove ID - we don't recover annotation from other views for
+          // view-specific annotation
+          an[i].setId(null);
+        }
+
+        // set visiblity for other annotation in this view
+        if (an[i].getId() != null
+                && annotationIds.containsKey(an[i].getId()))
+        {
+          jalview.datamodel.AlignmentAnnotation jda = (jalview.datamodel.AlignmentAnnotation) annotationIds
+                  .get(an[i].getId());
+          // in principle Visible should always be true for annotation displayed
+          // in multiple views
+          if (an[i].hasVisible())
+          {
+            jda.visible = an[i].getVisible();
+          }
+
+          al.addAnnotation(jda);
+
+          continue;
+        }
+        // Construct new annotation from model.
+        AnnotationElement[] ae = an[i].getAnnotationElement();
+        jalview.datamodel.Annotation[] anot = null;
+        java.awt.Color firstColour = null;
+        int anpos;
+        if (!an[i].getScoreOnly())
+        {
+          anot = new jalview.datamodel.Annotation[al.getWidth()];
+          for (int aa = 0; aa < ae.length && aa < anot.length; aa++)
+          {
+            anpos = ae[aa].getPosition();
+
+            if (anpos >= anot.length)
+            {
+              continue;
+            }
+
+            anot[anpos] = new jalview.datamodel.Annotation(
+
+            ae[aa].getDisplayCharacter(), ae[aa].getDescription(),
+                    (ae[aa].getSecondaryStructure() == null || ae[aa]
+                            .getSecondaryStructure().length() == 0) ? ' '
+                            : ae[aa].getSecondaryStructure().charAt(0),
+                    ae[aa].getValue()
+
+            );
+            // JBPNote: Consider verifying dataflow for IO of secondary
+            // structure annotation read from Stockholm files
+            // this was added to try to ensure that
+            // if (anot[ae[aa].getPosition()].secondaryStructure>' ')
+            // {
+            // anot[ae[aa].getPosition()].displayCharacter = "";
+            // }
+            anot[anpos].colour = new java.awt.Color(ae[aa].getColour());
+            if (firstColour == null)
+            {
+              firstColour = anot[anpos].colour;
+            }
+          }
+        }
+        jalview.datamodel.AlignmentAnnotation jaa = null;
+
+        if (an[i].getGraph())
+        {
+          float llim = 0, hlim = 0;
+          // if (autoForView || an[i].isAutoCalculated()) {
+          // hlim=11f;
+          // }
+          jaa = new jalview.datamodel.AlignmentAnnotation(an[i].getLabel(),
+                  an[i].getDescription(), anot, llim, hlim,
+                  an[i].getGraphType());
+
+          jaa.graphGroup = an[i].getGraphGroup();
+          jaa._linecolour = firstColour;
+          if (an[i].getThresholdLine() != null)
+          {
+            jaa.setThreshold(new jalview.datamodel.GraphLine(an[i]
+                    .getThresholdLine().getValue(), an[i]
+                    .getThresholdLine().getLabel(), new java.awt.Color(
+                    an[i].getThresholdLine().getColour())));
+
+          }
+          if (autoForView || an[i].isAutoCalculated())
+          {
+            // Hardwire the symbol display line to ensure that labels for
+            // histograms are displayed
+            jaa.hasText = true;
+          }
+        }
+        else
+        {
+          jaa = new jalview.datamodel.AlignmentAnnotation(an[i].getLabel(),
+                  an[i].getDescription(), anot);
+          jaa._linecolour = firstColour;
+        }
+        // register new annotation
+        if (an[i].getId() != null)
+        {
+          annotationIds.put(an[i].getId(), jaa);
+          jaa.annotationId = an[i].getId();
+        }
+        // recover sequence association
+        if (an[i].getSequenceRef() != null)
+        {
+          if (al.findName(an[i].getSequenceRef()) != null)
+          {
+            jaa.createSequenceMapping(al.findName(an[i].getSequenceRef()),
+                    1, true);
+            al.findName(an[i].getSequenceRef()).addAlignmentAnnotation(jaa);
+          }
+        }
+        // and make a note of any group association
+        if (an[i].getGroupRef() != null && an[i].getGroupRef().length() > 0)
+        {
+          ArrayList<jalview.datamodel.AlignmentAnnotation> aal = groupAnnotRefs
+                  .get(an[i].getGroupRef());
+          if (aal == null)
+          {
+            aal = new ArrayList<jalview.datamodel.AlignmentAnnotation>();
+            groupAnnotRefs.put(an[i].getGroupRef(), aal);
+          }
+          aal.add(jaa);
+        }
+
+        if (an[i].hasScore())
+        {
+          jaa.setScore(an[i].getScore());
+        }
+        if (an[i].hasVisible())
+        {
+          jaa.visible = an[i].getVisible();
+        }
+
+        if (an[i].hasCentreColLabels())
+        {
+          jaa.centreColLabels = an[i].getCentreColLabels();
+        }
+
+        if (an[i].hasScaleColLabels())
+        {
+          jaa.scaleColLabel = an[i].getScaleColLabels();
+        }
+        if (an[i].hasAutoCalculated() && an[i].isAutoCalculated())
+        {
+          // newer files have an 'autoCalculated' flag and store calculation
+          // state in viewport properties
+          jaa.autoCalculated = true; // means annotation will be marked for
+          // update at end of load.
+        }
+        if (an[i].hasGraphHeight())
+        {
+          jaa.graphHeight = an[i].getGraphHeight();
+        }
+        if (an[i].hasBelowAlignment())
+        {
+          jaa.belowAlignment = an[i].isBelowAlignment();
+        }
+        jaa.setCalcId(an[i].getCalcId());
+        if (an[i].getPropertyCount() > 0)
+        {
+          for (jalview.schemabinding.version2.Property prop : an[i]
+                  .getProperty())
+          {
+            jaa.setProperty(prop.getName(), prop.getValue());
+          }
+        }
+        if (jaa.autoCalculated)
+        {
+          autoAlan.add(new JvAnnotRow(i, jaa));
+        }
+        else
+        // if (!autoForView)
+        {
+          // add autocalculated group annotation and any user created annotation
+          // for the view
+          al.addAnnotation(jaa);
+        }
+      }
+    }
+    // ///////////////////////
+    // LOAD GROUPS
+    // Create alignment markup and styles for this view
+    if (jms.getJGroupCount() > 0)
+    {
+      JGroup[] groups = jms.getJGroup();
+      boolean addAnnotSchemeGroup = false;
+      for (int i = 0; i < groups.length; i++)
+      {
+        ColourSchemeI cs = null;
+
+        if (groups[i].getColour() != null)
+        {
+          if (groups[i].getColour().startsWith("ucs"))
+          {
+            cs = getUserColourScheme(jms, groups[i].getColour());
+          }
+          else if (groups[i].getColour().equals("AnnotationColourGradient")
+                  && groups[i].getAnnotationColours() != null)
+          {
+            addAnnotSchemeGroup = true;
+            cs = null;
+          }
+          else
+          {
+            cs = ColourSchemeProperty.getColour(al, groups[i].getColour());
+          }
+
+          if (cs != null)
+          {
+            cs.setThreshold(groups[i].getPidThreshold(), true);
+          }
+        }
+
+        Vector seqs = new Vector();
+
+        for (int s = 0; s < groups[i].getSeqCount(); s++)
+        {
+          String seqId = groups[i].getSeq(s) + "";
+          jalview.datamodel.SequenceI ts = seqRefIds
+                  .get(seqId);
+
+          if (ts != null)
+          {
+            seqs.addElement(ts);
+          }
+        }
+
+        if (seqs.size() < 1)
+        {
+          continue;
+        }
+
+        jalview.datamodel.SequenceGroup sg = new jalview.datamodel.SequenceGroup(
+                seqs, groups[i].getName(), cs, groups[i].getDisplayBoxes(),
+                groups[i].getDisplayText(), groups[i].getColourText(),
+                groups[i].getStart(), groups[i].getEnd());
+
+        sg.setOutlineColour(new java.awt.Color(groups[i].getOutlineColour()));
+
+        sg.textColour = new java.awt.Color(groups[i].getTextCol1());
+        sg.textColour2 = new java.awt.Color(groups[i].getTextCol2());
+        sg.setShowNonconserved(groups[i].hasShowUnconserved() ? groups[i]
+                .isShowUnconserved() : false);
+        sg.thresholdTextColour = groups[i].getTextColThreshold();
+        if (groups[i].hasShowConsensusHistogram())
+        {
+          sg.setShowConsensusHistogram(groups[i].isShowConsensusHistogram());
+        }
+        ;
+        if (groups[i].hasShowSequenceLogo())
+        {
+          sg.setshowSequenceLogo(groups[i].isShowSequenceLogo());
+        }
+        if (groups[i].hasNormaliseSequenceLogo())
+        {
+          sg.setNormaliseSequenceLogo(groups[i].isNormaliseSequenceLogo());
+        }
+        if (groups[i].hasIgnoreGapsinConsensus())
+        {
+          sg.setIgnoreGapsConsensus(groups[i].getIgnoreGapsinConsensus());
+        }
+        if (groups[i].getConsThreshold() != 0)
+        {
+          jalview.analysis.Conservation c = new jalview.analysis.Conservation(
+                  "All", ResidueProperties.propHash, 3,
+                  sg.getSequences(null), 0, sg.getWidth() - 1);
+          c.calculate();
+          c.verdict(false, 25);
+          sg.cs.setConservation(c);
+        }
+
+        if (groups[i].getId() != null && groupAnnotRefs.size() > 0)
+        {
+          // re-instate unique group/annotation row reference
+          ArrayList<jalview.datamodel.AlignmentAnnotation> jaal = groupAnnotRefs
+                  .get(groups[i].getId());
+          if (jaal != null)
+          {
+            for (jalview.datamodel.AlignmentAnnotation jaa : jaal)
+            {
+              jaa.groupRef = sg;
+              if (jaa.autoCalculated)
+              {
+                // match up and try to set group autocalc alignment row for this
+                // annotation
+                if (jaa.label.startsWith("Consensus for "))
+                {
+                  sg.setConsensus(jaa);
+                }
+                // match up and try to set group autocalc alignment row for this
+                // annotation
+                if (jaa.label.startsWith("Conservation for "))
+                {
+                  sg.setConservationRow(jaa);
+                }
+              }
+            }
+          }
+        }
+        al.addGroup(sg);
+        if (addAnnotSchemeGroup)
+        {
+          // reconstruct the annotation colourscheme
+          sg.cs = constructAnnotationColour(
+                  groups[i].getAnnotationColours(), null, al, jms, false);
+        }
+      }
+    }
+    if (view == null)
+    {
+      // only dataset in this model, so just return.
+      return null;
+    }
+    // ///////////////////////////////
+    // LOAD VIEWPORT
+
+    // If we just load in the same jar file again, the sequenceSetId
+    // will be the same, and we end up with multiple references
+    // to the same sequenceSet. We must modify this id on load
+    // so that each load of the file gives a unique id
+    String uniqueSeqSetId = view.getSequenceSetId() + uniqueSetSuffix;
+    String viewId = (view.getId() == null ? null : view.getId()
+            + uniqueSetSuffix);
+    AlignFrame af = null;
+    AlignViewport av = null;
+    // now check to see if we really need to create a new viewport.
+    if (multipleView && viewportsAdded.size() == 0)
+    {
+      // We recovered an alignment for which a viewport already exists.
+      // TODO: fix up any settings necessary for overlaying stored state onto
+      // state recovered from another document. (may not be necessary).
+      // we may need a binding from a viewport in memory to one recovered from
+      // XML.
+      // and then recover its containing af to allow the settings to be applied.
+      // TODO: fix for vamsas demo
+      System.err
+              .println("About to recover a viewport for existing alignment: Sequence set ID is "
+                      + uniqueSeqSetId);
+      Object seqsetobj = retrieveExistingObj(uniqueSeqSetId);
+      if (seqsetobj != null)
+      {
+        if (seqsetobj instanceof String)
+        {
+          uniqueSeqSetId = (String) seqsetobj;
+          System.err
+                  .println("Recovered extant sequence set ID mapping for ID : New Sequence set ID is "
+                          + uniqueSeqSetId);
+        }
+        else
+        {
+          System.err
+                  .println("Warning : Collision between sequence set ID string and existing jalview object mapping.");
+        }
+
+      }
+    }
+    /**
+     * indicate that annotation colours are applied across all groups (pre
+     * Jalview 2.8.1 behaviour)
+     */
+    boolean doGroupAnnColour = isVersionStringLaterThan("2.8.1",
+            object.getVersion());
+
+    AlignmentPanel ap = null;
+    boolean isnewview = true;
+    if (viewId != null)
+    {
+      // Check to see if this alignment already has a view id == viewId
+      jalview.gui.AlignmentPanel views[] = Desktop
+              .getAlignmentPanels(uniqueSeqSetId);
+      if (views != null && views.length > 0)
+      {
+        for (int v = 0; v < views.length; v++)
+        {
+          if (views[v].av.getViewId().equalsIgnoreCase(viewId))
+          {
+            // recover the existing alignpanel, alignframe, viewport
+            af = views[v].alignFrame;
+            av = views[v].av;
+            ap = views[v];
+            // TODO: could even skip resetting view settings if we don't want to
+            // change the local settings from other jalview processes
+            isnewview = false;
+          }
+        }
+      }
+    }
+
+    if (isnewview)
+    {
+      af = loadViewport(file, jseqs, hiddenSeqs, al, jms, view,
+              uniqueSeqSetId, viewId, autoAlan);
+      av = af.viewport;
+      ap = af.alignPanel;
+    }
+    // LOAD TREES
+    // /////////////////////////////////////
+    if (loadTreesAndStructures && jms.getTreeCount() > 0)
+    {
+      try
+      {
+        for (int t = 0; t < jms.getTreeCount(); t++)
+        {
+
+          Tree tree = jms.getTree(t);
+
+          TreePanel tp = (TreePanel) retrieveExistingObj(tree.getId());
+          if (tp == null)
+          {
+            tp = af.ShowNewickTree(
+                    new jalview.io.NewickFile(tree.getNewick()),
+                    tree.getTitle(), tree.getWidth(), tree.getHeight(),
+                    tree.getXpos(), tree.getYpos());
+            if (tree.getId() != null)
+            {
+              // perhaps bind the tree id to something ?
+            }
+          }
+          else
+          {
+            // update local tree attributes ?
+            // TODO: should check if tp has been manipulated by user - if so its
+            // settings shouldn't be modified
+            tp.setTitle(tree.getTitle());
+            tp.setBounds(new Rectangle(tree.getXpos(), tree.getYpos(), tree
+                    .getWidth(), tree.getHeight()));
+            tp.av = av; // af.viewport; // TODO: verify 'associate with all
+            // views'
+            // works still
+            tp.treeCanvas.av = av; // af.viewport;
+            tp.treeCanvas.ap = ap; // af.alignPanel;
+
+          }
+          if (tp == null)
+          {
+            warn("There was a problem recovering stored Newick tree: \n"
+                    + tree.getNewick());
+            continue;
+          }
+
+          tp.fitToWindow.setState(tree.getFitToWindow());
+          tp.fitToWindow_actionPerformed(null);
+
+          if (tree.getFontName() != null)
+          {
+            tp.setTreeFont(new java.awt.Font(tree.getFontName(), tree
+                    .getFontStyle(), tree.getFontSize()));
+          }
+          else
+          {
+            tp.setTreeFont(new java.awt.Font(view.getFontName(), view
+                    .getFontStyle(), tree.getFontSize()));
+          }
+
+          tp.showPlaceholders(tree.getMarkUnlinked());
+          tp.showBootstrap(tree.getShowBootstrap());
+          tp.showDistances(tree.getShowDistances());
+
+          tp.treeCanvas.threshold = tree.getThreshold();
+
+          if (tree.getCurrentTree())
+          {
+            af.viewport.setCurrentTree(tp.getTree());
+          }
+        }
+
+      } catch (Exception ex)
+      {
+        ex.printStackTrace();
+      }
+    }
+
+    // //LOAD STRUCTURES
+    if (loadTreesAndStructures)
+    {
+      loadStructures(jprovider, jseqs, af, ap);
+    }
+    // and finally return.
+    return af;
+  }
+
+  /**
+   * Load and link any saved structure viewers.
+   * 
+   * @param jprovider
+   * @param jseqs
+   * @param af
+   * @param ap
+   */
+  protected void loadStructures(jarInputStreamProvider jprovider,
+          JSeq[] jseqs, AlignFrame af, AlignmentPanel ap)
+  {
+    /*
+     * Run through all PDB ids on the alignment, and collect mappings between
+     * distinct view ids and all sequences referring to that view.
+     */
+    Map<String, StructureViewerModel> structureViewers = new LinkedHashMap<String, StructureViewerModel>();
+
+    for (int i = 0; i < jseqs.length; i++)
+    {
+      if (jseqs[i].getPdbidsCount() > 0)
+      {
+        Pdbids[] ids = jseqs[i].getPdbids();
+        for (int p = 0; p < ids.length; p++)
+        {
+          final int structureStateCount = ids[p].getStructureStateCount();
+          for (int s = 0; s < structureStateCount; s++)
+          {
+            // check to see if we haven't already created this structure view
+            final StructureState structureState = ids[p].getStructureState(s);
+            String sviewid = (structureState.getViewId() == null) ? null
+                    : structureState.getViewId()
+                            + uniqueSetSuffix;
+            jalview.datamodel.PDBEntry jpdb = new jalview.datamodel.PDBEntry();
+            // Originally : ids[p].getFile()
+            // : TODO: verify external PDB file recovery still works in normal
+            // jalview project load
+            jpdb.setFile(loadPDBFile(jprovider, ids[p].getId()));
+            jpdb.setId(ids[p].getId());
+
+            int x = structureState.getXpos();
+            int y = structureState.getYpos();
+            int width = structureState.getWidth();
+            int height = structureState.getHeight();
+
+            // Probably don't need to do this anymore...
+            // Desktop.desktop.getComponentAt(x, y);
+            // TODO: NOW: check that this recovers the PDB file correctly.
+            String pdbFile = loadPDBFile(jprovider, ids[p].getId());
+            jalview.datamodel.SequenceI seq = seqRefIds
+                    .get(jseqs[i].getId() + "");
+            if (sviewid == null)
+            {
+              sviewid = "_jalview_pre2_4_" + x + "," + y + "," + width
+                      + "," + height;
+            }
+            if (!structureViewers.containsKey(sviewid))
+            {
+              structureViewers.put(sviewid, new StructureViewerModel(x, y, width, height,
+                      false, false, true));
+              // Legacy pre-2.7 conversion JAL-823 :
+              // do not assume any view has to be linked for colour by
+              // sequence
+            }
+
+            // assemble String[] { pdb files }, String[] { id for each
+            // file }, orig_fileloc, SequenceI[][] {{ seqs_file 1 }, {
+            // seqs_file 2}, boolean[] {
+            // linkAlignPanel,superposeWithAlignpanel}} from hash
+            StructureViewerModel jmoldat = structureViewers.get(sviewid);
+            jmoldat.setAlignWithPanel(jmoldat.isAlignWithPanel()
+                    | (structureState.hasAlignwithAlignPanel() ? structureState
+                            .getAlignwithAlignPanel() : false));
+
+            /*
+             * Default colour by linked panel to false if not specified (e.g.
+             * for pre-2.7 projects)
+             */
+            boolean colourWithAlignPanel = jmoldat.isColourWithAlignPanel();
+            colourWithAlignPanel |= (structureState
+                    .hasColourwithAlignPanel() ? structureState
+                    .getColourwithAlignPanel() : false);
+            jmoldat.setColourWithAlignPanel(colourWithAlignPanel);
+
+            /*
+             * Default colour by viewer to true if not specified (e.g. for
+             * pre-2.7 projects)
+             */
+            boolean colourByViewer = jmoldat.isColourByViewer();
+            colourByViewer &= structureState
+                    .hasColourByJmol() ? structureState
+                    .getColourByJmol() : true;
+            jmoldat.setColourByViewer(colourByViewer);
+
+            if (jmoldat.getStateData().length() < structureState
+                    .getContent().length())
+            {
+              {
+                jmoldat.setStateData(structureState.getContent());
+              }
+            }
+            if (ids[p].getFile() != null)
+            {
+              File mapkey = new File(ids[p].getFile());
+              StructureData seqstrmaps = jmoldat.getFileData().get(mapkey);
+              if (seqstrmaps == null)
+              {
+                jmoldat.getFileData().put(
+                        mapkey,
+                        seqstrmaps = jmoldat.new StructureData(pdbFile,
+                                ids[p].getId()));
+              }
+              if (!seqstrmaps.getSeqList().contains(seq))
+              {
+                seqstrmaps.getSeqList().add(seq);
+                // TODO and chains?
+              }
+            }
+            else
+            {
+              errorMessage = ("The Jmol views in this project were imported\nfrom an older version of Jalview.\nPlease review the sequence colour associations\nin the Colour by section of the Jmol View menu.\n\nIn the case of problems, see note at\nhttp://issues.jalview.org/browse/JAL-747");
+              warn(errorMessage);
+            }
+          }
+        }
+      }
+    }
+      // Instantiate the associated structure views
+      for (Entry<String, StructureViewerModel> entry : structureViewers.entrySet())
+      {
+        createOrLinkStructureViewer(entry, af, ap);
+      }
+  }
+
+  /**
+   * 
+   * @param viewerData
+   * @param af
+   * @param ap
+   */
+  protected void createOrLinkStructureViewer(
+          Entry<String, StructureViewerModel> viewerData, AlignFrame af,
+          AlignmentPanel ap)
+  {
+    final StructureViewerModel svattrib = viewerData.getValue();
+
+    /*
+     * Search for any viewer windows already open from other alignment views
+     * that exactly match the stored structure state
+     */
+    StructureViewerBase comp = findMatchingViewer(viewerData);
+
+    if (comp != null)
+    {
+      linkStructureViewer(ap, comp, svattrib);
+      return;
+    }
+
+    /*
+     * Pending an XML element for ViewerType, just check if stateData contains
+     * "chimera" (part of the chimera session filename).
+     */
+    if (svattrib.getStateData().indexOf("chimera") > -1)
+    {
+      createChimeraViewer(viewerData, af);
+    }
+    else
+    {
+      createJmolViewer(viewerData, af);
+    }
+  }
+
+  /**
+   * Create a new Chimera viewer.
+   * 
+   * @param viewerData
+   * @param af
+   */
+  protected void createChimeraViewer(Entry<String, StructureViewerModel> viewerData,
+          AlignFrame af)
+  {
+    final StructureViewerModel data = viewerData.getValue();
+    String chimeraSession = data.getStateData();
+
+    if (new File(chimeraSession).exists())
+    {
+      Set<Entry<File, StructureData>> fileData = data.getFileData()
+              .entrySet();
+      List<PDBEntry> pdbs = new ArrayList<PDBEntry>();
+      List<SequenceI[]> allseqs = new ArrayList<SequenceI[]>();
+      for (Entry<File, StructureData> pdb : fileData)
+      {
+        String filePath = pdb.getValue().getFilePath();
+        String pdbId = pdb.getValue().getPdbId();
+        pdbs.add(new PDBEntry(filePath, pdbId));
+        final List<SequenceI> seqList = pdb.getValue().getSeqList();
+        SequenceI[] seqs = seqList.toArray(new SequenceI[seqList.size()]);
+        allseqs.add(seqs);
+      }
+
+      boolean colourByChimera = data.isColourByViewer();
+      boolean colourBySequence = data.isColourWithAlignPanel();
+
+      // TODO can/should this be done via StructureViewer (like Jmol)?
+      final PDBEntry[] pdbArray = pdbs.toArray(new PDBEntry[pdbs
+              .size()]);
+      final SequenceI[][] seqsArray = allseqs.toArray(new SequenceI[allseqs.size()][]);
+      new ChimeraViewFrame(chimeraSession, af.alignPanel, pdbArray,
+              seqsArray,
+              colourByChimera, colourBySequence);
+    }
+    else
+    {
+      Cache.log.error("Chimera session file " + chimeraSession
+              + " not found");
+    }
+  }
+
+  /**
+   * Create a new Jmol window. First parse the Jmol state to translate filenames
+   * loaded into the view, and record the order in which files are shown in the
+   * Jmol view, so we can add the sequence mappings in same order.
+   * 
+   * @param viewerData
+   * @param af
+   */
+  protected void createJmolViewer(
+          final Entry<String, StructureViewerModel> viewerData, AlignFrame af)
+  {
+    final StructureViewerModel svattrib = viewerData.getValue();
+    String state = svattrib.getStateData();
+    List<String> pdbfilenames = new ArrayList<String>();
+    List<SequenceI[]> seqmaps = new ArrayList<SequenceI[]>();
+    List<String> pdbids = new ArrayList<String>();
+    StringBuilder newFileLoc = new StringBuilder(64);
+    int cp = 0, ncp, ecp;
+    Map<File, StructureData> oldFiles = svattrib.getFileData();
+    while ((ncp = state.indexOf("load ", cp)) > -1)
+    {
+      do
+      {
+        // look for next filename in load statement
+        newFileLoc.append(state.substring(cp,
+                ncp = (state.indexOf("\"", ncp + 1) + 1)));
+        String oldfilenam = state.substring(ncp,
+                ecp = state.indexOf("\"", ncp));
+        // recover the new mapping data for this old filename
+        // have to normalize filename - since Jmol and jalview do
+        // filename
+        // translation differently.
+        StructureData filedat = oldFiles.get(new File(oldfilenam));
+        newFileLoc.append(Platform.escapeString(filedat.getFilePath()));
+        pdbfilenames.add(filedat.getFilePath());
+        pdbids.add(filedat.getPdbId());
+        seqmaps.add(filedat.getSeqList()
+                .toArray(new SequenceI[0]));
+        newFileLoc.append("\"");
+        cp = ecp + 1; // advance beyond last \" and set cursor so we can
+                      // look for next file statement.
+      } while ((ncp = state.indexOf("/*file*/", cp)) > -1);
+    }
+    if (cp > 0)
+    {
+      // just append rest of state
+      newFileLoc.append(state.substring(cp));
+    }
+    else
+    {
+      System.err.print("Ignoring incomplete Jmol state for PDB ids: ");
+      newFileLoc = new StringBuilder(state);
+      newFileLoc.append("; load append ");
+      for (File id : oldFiles.keySet())
+      {
+        // add this and any other pdb files that should be present in
+        // the viewer
+        StructureData filedat = oldFiles.get(id);
+        newFileLoc.append(filedat.getFilePath());
+        pdbfilenames.add(filedat.getFilePath());
+        pdbids.add(filedat.getPdbId());
+        seqmaps.add(filedat.getSeqList()
+                .toArray(new SequenceI[0]));
+        newFileLoc.append(" \"");
+        newFileLoc.append(filedat.getFilePath());
+        newFileLoc.append("\"");
+
+      }
+      newFileLoc.append(";");
+    }
+
+    if (newFileLoc.length() > 0)
+    {
+      int histbug = newFileLoc.indexOf("history = ");
+      histbug += 10;
+      int diff = histbug == -1 ? -1 : newFileLoc.indexOf(";", histbug);
+      String val = (diff == -1) ? null : newFileLoc
+              .substring(histbug, diff);
+      if (val != null && val.length() >= 4)
+      {
+        if (val.contains("e"))
+        {
+          if (val.trim().equals("true"))
+          {
+            val = "1";
+          }
+          else
+          {
+            val = "0";
+          }
+          newFileLoc.replace(histbug, diff, val);
+        }
+      }
+
+      final String[] pdbf = pdbfilenames.toArray(new String[pdbfilenames
+              .size()]);
+      final String[] id = pdbids.toArray(new String[pdbids.size()]);
+      final SequenceI[][] sq = seqmaps
+              .toArray(new SequenceI[seqmaps.size()][]);
+      final String fileloc = newFileLoc.toString();
+      final String sviewid = viewerData.getKey();
+      final AlignFrame alf = af;
+      final Rectangle rect = new Rectangle(svattrib.getX(),
+              svattrib.getY(), svattrib.getWidth(), svattrib.getHeight());
+      try
+      {
+        javax.swing.SwingUtilities.invokeAndWait(new Runnable()
+        {
+          @Override
+          public void run()
+          {
+            JalviewStructureDisplayI sview = null;
+            try
+            {
+              // JAL-1333 note - we probably can't migrate Jmol views to UCSF
+              // Chimera!
+              sview = new StructureViewer(alf.alignPanel
+                      .getStructureSelectionManager()).createView(
+                      StructureViewer.ViewerType.JMOL, pdbf, id, sq,
+                      alf.alignPanel, svattrib, fileloc, rect, sviewid);
+              addNewStructureViewer(sview);
+            } catch (OutOfMemoryError ex)
+            {
+              new OOMWarning("restoring structure view for PDB id " + id,
+                      (OutOfMemoryError) ex.getCause());
+              if (sview != null && sview.isVisible())
+              {
+                sview.closeViewer();
+                sview.setVisible(false);
+                sview.dispose();
+              }
+            }
+          }
+        });
+      } catch (InvocationTargetException ex)
+      {
+        warn("Unexpected error when opening Jmol view.", ex);
+
+      } catch (InterruptedException e)
+      {
+        // e.printStackTrace();
+      }
+    }
+  }
+
+  /**
+   * Returns any open frame that matches given structure viewer data. The match
+   * is based on the unique viewId, or (for older project versions) the frame's
+   * geometry.
+   * 
+   * @param viewerData
+   * @return
+   */
+  protected StructureViewerBase findMatchingViewer(
+          Entry<String, StructureViewerModel> viewerData)
+  {
+    final String sviewid = viewerData.getKey();
+    final StructureViewerModel svattrib = viewerData.getValue();
+    StructureViewerBase comp = null;
+    JInternalFrame[] frames = getAllFrames();
+    for (JInternalFrame frame : frames)
+    {
+      if (frame instanceof StructureViewerBase)
+      {
+        /*
+         * Post jalview 2.4 schema includes structure view id
+         */
+        if (sviewid != null
+                && ((StructureViewerBase) frame).getViewId().equals(
+                        sviewid))
+        {
+          comp = (AppJmol) frame;
+          // todo: break?
+        }
+        /*
+         * Otherwise test for matching position and size of viewer frame
+         */
+        else if (frame.getX() == svattrib.getX()
+                && frame.getY() == svattrib.getY()
+                && frame.getHeight() == svattrib.getHeight()
+                && frame.getWidth() == svattrib.getWidth())
+        {
+          comp = (AppJmol) frame;
+          // todo: break?
+        }
+      }
+    }
+    return comp;
+  }
+
+  /**
+   * Link an AlignmentPanel to an existing structure viewer.
+   * 
+   * @param ap
+   * @param viewer
+   * @param oldFiles
+   * @param useinViewerSuperpos
+   * @param usetoColourbyseq
+   * @param viewerColouring
+   */
+  protected void linkStructureViewer(AlignmentPanel ap,
+          StructureViewerBase viewer, StructureViewerModel svattrib)
+  {
+    // NOTE: if the jalview project is part of a shared session then
+    // view synchronization should/could be done here.
+
+    final boolean useinViewerSuperpos = svattrib.isAlignWithPanel();
+    final boolean usetoColourbyseq = svattrib.isColourWithAlignPanel();
+    final boolean viewerColouring = svattrib.isColourByViewer();
+    Map<File, StructureData> oldFiles = svattrib.getFileData();
+
+    /*
+     * Add mapping for sequences in this view to an already open viewer
+     */
+    final AAStructureBindingModel binding = viewer.getBinding();
+    for (File id : oldFiles.keySet())
+    {
+      // add this and any other pdb files that should be present in the
+      // viewer
+      StructureData filedat = oldFiles.get(id);
+      String pdbFile = filedat.getFilePath();
+      SequenceI[] seq = filedat.getSeqList().toArray(new SequenceI[0]);
+      binding.getSsm().setMapping(seq, null, pdbFile,
+              jalview.io.AppletFormatAdapter.FILE);
+      binding.addSequenceForStructFile(pdbFile, seq);
+    }
+    // and add the AlignmentPanel's reference to the view panel
+    viewer.addAlignmentPanel(ap);
+    if (useinViewerSuperpos)
+    {
+      viewer.useAlignmentPanelForSuperposition(ap);
+    }
+    else
+    {
+      viewer.excludeAlignmentPanelForSuperposition(ap);
+    }
+    if (usetoColourbyseq)
+    {
+      viewer.useAlignmentPanelForColourbyseq(ap, !viewerColouring);
+    }
+    else
+    {
+      viewer.excludeAlignmentPanelForColourbyseq(ap);
+    }
+  }
+
+  /**
+   * Get all frames within the Desktop.
+   * 
+   * @return
+   */
+  protected JInternalFrame[] getAllFrames()
+  {
+    JInternalFrame[] frames = null;
+    // TODO is this necessary - is it safe - risk of hanging?
+    do
+    {
+      try
+      {
+        frames = Desktop.desktop.getAllFrames();
+      } catch (ArrayIndexOutOfBoundsException e)
+      {
+        // occasional No such child exceptions are thrown here...
+        try
+        {
+          Thread.sleep(10);
+        } catch (InterruptedException f)
+        {
+        }
+      }
+    } while (frames == null);
+    return frames;
+  }
+
+  /**
+   * 
+   * @param supported
+   *          - minimum version we are comparing against
+   * @param version
+   *          - version of data being processsed.
+   * @return true if version is development/null or evaluates to the same or
+   *         later X.Y.Z (where X,Y,Z are like [0-9]+b?[0-9]*)
+   */
+  private boolean isVersionStringLaterThan(String supported, String version)
+  {
+    if (version == null || version.equalsIgnoreCase("DEVELOPMENT BUILD")
+            || version.equalsIgnoreCase("Test")
+            || version.equalsIgnoreCase("AUTOMATED BUILD"))
+    {
+      System.err.println("Assuming project file with "
+              + (version == null ? "null" : version)
+              + " is compatible with Jalview version " + supported);
+      return true;
+    }
+    else
+    {
+      StringTokenizer currentV = new StringTokenizer(supported, "."), fileV = new StringTokenizer(
+              version, ".");
+      while (currentV.hasMoreTokens() && fileV.hasMoreTokens())
+      {
+        // convert b to decimal to catch bugfix releases within a series
+        String curT = currentV.nextToken().toLowerCase().replace('b', '.');
+        String fileT = fileV.nextToken().toLowerCase().replace('b', '.');
+        try
+        {
+          if (Float.valueOf(curT) > Float.valueOf(fileT))
           {
-            anot[ae[aa].getPosition()] = new jalview.datamodel.Annotation(
+            // current version is newer than the version that wrote the file
+            return false;
+          }
+        } catch (NumberFormatException nfe)
+        {
+          System.err
+                  .println("** WARNING: Version comparison failed for tokens ("
+                          + curT
+                          + ") and ("
+                          + fileT
+                          + ")\n** Current: '"
+                          + supported + "' and Version: '" + version + "'");
+        }
+      }
+      if (currentV.hasMoreElements())
+      {
+        // fileV has no minor version but identical series to current
+        return false;
+      }
+    }
+    return true;
+  }
+
+  Vector<JalviewStructureDisplayI> newStructureViewers = null;
+
+  protected void addNewStructureViewer(JalviewStructureDisplayI sview)
+  {
+    if (newStructureViewers != null)
+    {
+      sview.getBinding().setFinishedLoadingFromArchive(false);
+      newStructureViewers.add(sview);
+    }
+  }
+
+  protected void setLoadingFinishedForNewStructureViewers()
+  {
+    if (newStructureViewers != null)
+    {
+      for (JalviewStructureDisplayI sview : newStructureViewers)
+      {
+        sview.getBinding().setFinishedLoadingFromArchive(true);
+      }
+      newStructureViewers.clear();
+      newStructureViewers = null;
+    }
+  }
+
+  AlignFrame loadViewport(String file, JSeq[] JSEQ, Vector hiddenSeqs,
+          Alignment al, JalviewModelSequence jms, Viewport view,
+          String uniqueSeqSetId, String viewId,
+          ArrayList<JvAnnotRow> autoAlan)
+  {
+    AlignFrame af = null;
+    af = new AlignFrame(al, view.getWidth(), view.getHeight(),
+            uniqueSeqSetId, viewId);
+
+    af.setFileName(file, "Jalview");
+
+    for (int i = 0; i < JSEQ.length; i++)
+    {
+      af.viewport.setSequenceColour(af.viewport.getAlignment()
+              .getSequenceAt(i), new java.awt.Color(JSEQ[i].getColour()));
+    }
+
+    af.viewport.gatherViewsHere = view.getGatheredViews();
+
+    if (view.getSequenceSetId() != null)
+    {
+      jalview.gui.AlignViewport av = (jalview.gui.AlignViewport) viewportsAdded
+              .get(uniqueSeqSetId);
+
+      af.viewport.setSequenceSetId(uniqueSeqSetId);
+      if (av != null)
+      {
+        // propagate shared settings to this new view
+        af.viewport.historyList = av.historyList;
+        af.viewport.redoList = av.redoList;
+      }
+      else
+      {
+        viewportsAdded.put(uniqueSeqSetId, af.viewport);
+      }
+      // TODO: check if this method can be called repeatedly without
+      // side-effects if alignpanel already registered.
+      PaintRefresher.Register(af.alignPanel, uniqueSeqSetId);
+    }
+    // apply Hidden regions to view.
+    if (hiddenSeqs != null)
+    {
+      for (int s = 0; s < JSEQ.length; s++)
+      {
+        jalview.datamodel.SequenceGroup hidden = new jalview.datamodel.SequenceGroup();
+
+        for (int r = 0; r < JSEQ[s].getHiddenSequencesCount(); r++)
+        {
+          hidden.addSequence(
+                  al.getSequenceAt(JSEQ[s].getHiddenSequences(r)), false);
+        }
+        af.viewport.hideRepSequences(al.getSequenceAt(s), hidden);
+      }
+
+      jalview.datamodel.SequenceI[] hseqs = new jalview.datamodel.SequenceI[hiddenSeqs
+              .size()];
+
+      for (int s = 0; s < hiddenSeqs.size(); s++)
+      {
+        hseqs[s] = (jalview.datamodel.SequenceI) hiddenSeqs.elementAt(s);
+      }
+
+      af.viewport.hideSequence(hseqs);
+
+    }
+    // recover view properties and display parameters
+    if (view.getViewName() != null)
+    {
+      af.viewport.viewName = view.getViewName();
+      af.setInitialTabVisible();
+    }
+    af.setBounds(view.getXpos(), view.getYpos(), view.getWidth(),
+            view.getHeight());
+
+    af.viewport.setShowAnnotation(view.getShowAnnotation());
+    af.viewport.setAbovePIDThreshold(view.getPidSelected());
+
+    af.viewport.setColourText(view.getShowColourText());
+
+    af.viewport.setConservationSelected(view.getConservationSelected());
+    af.viewport.setShowJVSuffix(view.getShowFullId());
+    af.viewport.setRightAlignIds(view.getRightAlignIds());
+    af.viewport.setFont(new java.awt.Font(view.getFontName(), view
+            .getFontStyle(), view.getFontSize()));
+    af.alignPanel.fontChanged();
+    af.viewport.setRenderGaps(view.getRenderGaps());
+    af.viewport.setWrapAlignment(view.getWrapAlignment());
+    af.alignPanel.setWrapAlignment(view.getWrapAlignment());
+    af.viewport.setShowAnnotation(view.getShowAnnotation());
+    af.alignPanel.setAnnotationVisible(view.getShowAnnotation());
+
+    af.viewport.setShowBoxes(view.getShowBoxes());
+
+    af.viewport.setShowText(view.getShowText());
+
+    af.viewport.textColour = new java.awt.Color(view.getTextCol1());
+    af.viewport.textColour2 = new java.awt.Color(view.getTextCol2());
+    af.viewport.thresholdTextColour = view.getTextColThreshold();
+    af.viewport.setShowUnconserved(view.hasShowUnconserved() ? view
+            .isShowUnconserved() : false);
+    af.viewport.setStartRes(view.getStartRes());
+    af.viewport.setStartSeq(view.getStartSeq());
+
+    ColourSchemeI cs = null;
+    // apply colourschemes
+    if (view.getBgColour() != null)
+    {
+      if (view.getBgColour().startsWith("ucs"))
+      {
+        cs = getUserColourScheme(jms, view.getBgColour());
+      }
+      else if (view.getBgColour().startsWith("Annotation"))
+      {
+        AnnotationColours viewAnnColour = view.getAnnotationColours();
+        cs = constructAnnotationColour(viewAnnColour, af, al, jms, true);
+
+        // annpos
+
+      }
+      else
+      {
+        cs = ColourSchemeProperty.getColour(al, view.getBgColour());
+      }
+
+      if (cs != null)
+      {
+        cs.setThreshold(view.getPidThreshold(), true);
+        cs.setConsensus(af.viewport.getSequenceConsensusHash());
+      }
+    }
+
+    af.viewport.setGlobalColourScheme(cs);
+    af.viewport.setColourAppliesToAllGroups(false);
+
+    if (view.getConservationSelected() && cs != null)
+    {
+      cs.setConservationInc(view.getConsThreshold());
+    }
 
-                    ae[aa].getDisplayCharacter(),
-                    ae[aa].getDescription(),
-                    (ae[aa].getSecondaryStructure()==null || ae[aa].getSecondaryStructure().length() == 0) ? ' ' :
-                      ae[aa].getSecondaryStructure().charAt(0),
-                      ae[aa].getValue()
+    af.changeColour(cs);
+
+    af.viewport.setColourAppliesToAllGroups(true);
 
-                            );
+    af.viewport.setShowSequenceFeatures(view.getShowSequenceFeatures());
 
+    if (view.hasCentreColumnLabels())
+    {
+      af.viewport.setCentreColumnLabels(view.getCentreColumnLabels());
+    }
+    if (view.hasIgnoreGapsinConsensus())
+    {
+      af.viewport.setIgnoreGapsConsensus(view.getIgnoreGapsinConsensus(),
+              null);
+    }
+    if (view.hasFollowHighlight())
+    {
+      af.viewport.followHighlight = view.getFollowHighlight();
+    }
+    if (view.hasFollowSelection())
+    {
+      af.viewport.followSelection = view.getFollowSelection();
+    }
+    if (view.hasShowConsensusHistogram())
+    {
+      af.viewport.setShowConsensusHistogram(view
+              .getShowConsensusHistogram());
+    }
+    else
+    {
+      af.viewport.setShowConsensusHistogram(true);
+    }
+    if (view.hasShowSequenceLogo())
+    {
+      af.viewport.setShowSequenceLogo(view.getShowSequenceLogo());
+    }
+    else
+    {
+      af.viewport.setShowSequenceLogo(false);
+    }
+    if (view.hasNormaliseSequenceLogo())
+    {
+      af.viewport.setNormaliseSequenceLogo(view.getNormaliseSequenceLogo());
+    }
+    if (view.hasShowDbRefTooltip())
+    {
+      af.viewport.setShowDbRefs(view.getShowDbRefTooltip());
+    }
+    if (view.hasShowNPfeatureTooltip())
+    {
+      af.viewport.setShowNpFeats(view.hasShowNPfeatureTooltip());
+    }
+    if (view.hasShowGroupConsensus())
+    {
+      af.viewport.setShowGroupConsensus(view.getShowGroupConsensus());
+    }
+    else
+    {
+      af.viewport.setShowGroupConsensus(false);
+    }
+    if (view.hasShowGroupConservation())
+    {
+      af.viewport.setShowGroupConservation(view.getShowGroupConservation());
+    }
+    else
+    {
+      af.viewport.setShowGroupConservation(false);
+    }
 
-              anot[ae[aa].getPosition()].colour = new java.awt.Color(ae[aa].
-                  getColour());
-          }
-        }
-        jalview.datamodel.AlignmentAnnotation jaa = null;
+    // recover featre settings
+    if (jms.getFeatureSettings() != null)
+    {
+      FeaturesDisplayed fdi;
+      af.viewport.setFeaturesDisplayed(fdi = new FeaturesDisplayed());
+      String[] renderOrder = new String[jms.getFeatureSettings()
+              .getSettingCount()];
+      Hashtable featureGroups = new Hashtable();
+      Hashtable featureColours = new Hashtable();
+      Hashtable featureOrder = new Hashtable();
 
-        if (an[i].getGraph())
+      for (int fs = 0; fs < jms.getFeatureSettings().getSettingCount(); fs++)
+      {
+        Setting setting = jms.getFeatureSettings().getSetting(fs);
+        if (setting.hasMincolour())
         {
-          jaa = new jalview.datamodel.AlignmentAnnotation(an[i].getLabel(),
-              an[i].getDescription(), anot, 0, 0,
-              an[i].getGraphType());
-
-          jaa.graphGroup = an[i].getGraphGroup();
-
-          if (an[i].getThresholdLine() != null)
+          GraduatedColor gc = setting.hasMin() ? new GraduatedColor(
+                  new java.awt.Color(setting.getMincolour()),
+                  new java.awt.Color(setting.getColour()),
+                  setting.getMin(), setting.getMax()) : new GraduatedColor(
+                  new java.awt.Color(setting.getMincolour()),
+                  new java.awt.Color(setting.getColour()), 0, 1);
+          if (setting.hasThreshold())
           {
-            jaa.setThreshold(new jalview.datamodel.GraphLine(
-                an[i].getThresholdLine().getValue(),
-                an[i].getThresholdLine().getLabel(),
-                new java.awt.Color(an[i].getThresholdLine().getColour()))
-                );
-
+            gc.setThresh(setting.getThreshold());
+            gc.setThreshType(setting.getThreshstate());
           }
-
+          gc.setAutoScaled(true); // default
+          if (setting.hasAutoScale())
+          {
+            gc.setAutoScaled(setting.getAutoScale());
+          }
+          if (setting.hasColourByLabel())
+          {
+            gc.setColourByLabel(setting.getColourByLabel());
+          }
+          // and put in the feature colour table.
+          featureColours.put(setting.getType(), gc);
         }
         else
         {
-          jaa = new jalview.datamodel.AlignmentAnnotation(an[i].getLabel(),
-              an[i].getDescription(), anot);
+          featureColours.put(setting.getType(),
+                  new java.awt.Color(setting.getColour()));
         }
-
-        if (an[i].getId() != null)
+        renderOrder[fs] = setting.getType();
+        if (setting.hasOrder())
         {
-          annotationIds.put(an[i].getId(), jaa);
-          jaa.annotationId = an[i].getId();
+          featureOrder.put(setting.getType(), setting.getOrder());
         }
-
-        if (an[i].getSequenceRef() != null)
+        else
         {
-          jaa.createSequenceMapping(
-              al.findName(an[i].getSequenceRef()), 1, true
-              );
-          al.findName(an[i].getSequenceRef()).addAlignmentAnnotation(jaa);
+          featureOrder.put(setting.getType(), new Float(fs
+                  / jms.getFeatureSettings().getSettingCount()));
         }
-        if (an[i].hasScore())
+        if (setting.getDisplay())
         {
-          jaa.setScore(an[i].getScore());
+          fdi.setVisible(setting.getType());
         }
-        al.addAnnotation(jaa);
       }
+      Hashtable fgtable = new Hashtable();
+      for (int gs = 0; gs < jms.getFeatureSettings().getGroupCount(); gs++)
+      {
+        Group grp = jms.getFeatureSettings().getGroup(gs);
+        fgtable.put(grp.getName(), new Boolean(grp.getDisplay()));
+      }
+      // FeatureRendererSettings frs = new FeatureRendererSettings(renderOrder,
+      // fgtable, featureColours, jms.getFeatureSettings().hasTransparency() ?
+      // jms.getFeatureSettings().getTransparency() : 0.0, featureOrder);
+      FeatureRendererSettings frs = new FeatureRendererSettings(
+              renderOrder, fgtable, featureColours, 1.0f, featureOrder);
+      af.alignPanel.getSeqPanel().seqCanvas.getFeatureRenderer()
+              .transferSettings(frs);
+
     }
 
-    /////////////////////////
-    //LOAD GROUPS
-    if (jms.getJGroupCount() > 0)
+    if (view.getHiddenColumnsCount() > 0)
     {
-      JGroup[] groups = jms.getJGroup();
-
-      for (int i = 0; i < groups.length; i++)
+      for (int c = 0; c < view.getHiddenColumnsCount(); c++)
       {
-        ColourSchemeI cs = null;
-
-        if (groups[i].getColour() != null)
+        af.viewport.hideColumns(view.getHiddenColumns(c).getStart(), view
+                .getHiddenColumns(c).getEnd() // +1
+                );
+      }
+    }
+    if (view.getCalcIdParam() != null)
+    {
+      for (CalcIdParam calcIdParam : view.getCalcIdParam())
+      {
+        if (calcIdParam != null)
         {
-          if (groups[i].getColour().startsWith("ucs"))
+          if (recoverCalcIdParam(calcIdParam, af.viewport))
           {
-            cs = GetUserColourScheme(jms, groups[i].getColour());
           }
           else
           {
-            cs = ColourSchemeProperty.getColour(al,
-                                                groups[i].getColour());
-          }
-
-          if (cs != null)
-          {
-            cs.setThreshold(groups[i].getPidThreshold(), true);
+            warn("Couldn't recover parameters for "
+                    + calcIdParam.getCalcId());
           }
         }
+      }
+    }
+    af.setMenusFromViewport(af.viewport);
+    // TODO: we don't need to do this if the viewport is aready visible.
+    Desktop.addInternalFrame(af, view.getTitle(), view.getWidth(),
+            view.getHeight());
+    af.alignPanel.updateAnnotation(false, true); // recompute any autoannotation
+    reorderAutoannotation(af, al, autoAlan);
+    af.alignPanel.alignmentChanged();
+    return af;
+  }
 
-        Vector seqs = new Vector();
-
-        for (int s = 0; s < groups[i].getSeqCount(); s++)
+  private ColourSchemeI constructAnnotationColour(
+          AnnotationColours viewAnnColour, AlignFrame af, Alignment al,
+          JalviewModelSequence jms, boolean checkGroupAnnColour)
+  {
+    boolean propagateAnnColour = false;
+    ColourSchemeI cs = null;
+    AlignmentI annAlignment = af != null ? af.viewport.getAlignment() : al;
+    if (checkGroupAnnColour && al.getGroups() != null
+            && al.getGroups().size() > 0)
+    {
+      // pre 2.8.1 behaviour
+      // check to see if we should transfer annotation colours
+      propagateAnnColour = true;
+      for (jalview.datamodel.SequenceGroup sg : al.getGroups())
+      {
+        if (sg.cs instanceof AnnotationColourGradient)
         {
-          String seqId = groups[i].getSeq(s) + "";
-          jalview.datamodel.SequenceI ts = (jalview.datamodel.SequenceI)
-              seqRefIds.get(seqId);
-
-          if (ts != null)
+          propagateAnnColour = false;
+        }
+      }
+    }
+    // int find annotation
+    if (annAlignment.getAlignmentAnnotation() != null)
+    {
+      for (int i = 0; i < annAlignment.getAlignmentAnnotation().length; i++)
+      {
+        if (annAlignment.getAlignmentAnnotation()[i].label
+                .equals(viewAnnColour.getAnnotation()))
+        {
+          if (annAlignment.getAlignmentAnnotation()[i].getThreshold() == null)
           {
-            seqs.addElement(ts);
+            annAlignment.getAlignmentAnnotation()[i]
+                    .setThreshold(new jalview.datamodel.GraphLine(
+                            viewAnnColour.getThreshold(), "Threshold",
+                            java.awt.Color.black)
+
+                    );
           }
-        }
 
-        if (seqs.size() < 1)
-        {
-          continue;
-        }
+          if (viewAnnColour.getColourScheme().equals("None"))
+          {
+            cs = new AnnotationColourGradient(
+                    annAlignment.getAlignmentAnnotation()[i],
+                    new java.awt.Color(viewAnnColour.getMinColour()),
+                    new java.awt.Color(viewAnnColour.getMaxColour()),
+                    viewAnnColour.getAboveThreshold());
+          }
+          else if (viewAnnColour.getColourScheme().startsWith("ucs"))
+          {
+            cs = new AnnotationColourGradient(
+                    annAlignment.getAlignmentAnnotation()[i],
+                    getUserColourScheme(jms,
+                            viewAnnColour.getColourScheme()),
+                    viewAnnColour.getAboveThreshold());
+          }
+          else
+          {
+            cs = new AnnotationColourGradient(
+                    annAlignment.getAlignmentAnnotation()[i],
+                    ColourSchemeProperty.getColour(al,
+                            viewAnnColour.getColourScheme()),
+                    viewAnnColour.getAboveThreshold());
+          }
+          if (viewAnnColour.hasPerSequence())
+          {
+            ((AnnotationColourGradient) cs).setSeqAssociated(viewAnnColour
+                    .isPerSequence());
+          }
+          if (viewAnnColour.hasPredefinedColours())
+          {
+            ((AnnotationColourGradient) cs)
+                    .setPredefinedColours(viewAnnColour
+                            .isPredefinedColours());
+          }
+          if (propagateAnnColour && al.getGroups() != null)
+          {
+            // Also use these settings for all the groups
+            for (int g = 0; g < al.getGroups().size(); g++)
+            {
+              jalview.datamodel.SequenceGroup sg = al.getGroups().get(g);
 
-        jalview.datamodel.SequenceGroup sg = new jalview.datamodel.
-            SequenceGroup(seqs,
-                          groups[i].getName(), cs, groups[i].getDisplayBoxes(),
-                          groups[i].getDisplayText(), groups[i].getColourText(),
-                          groups[i].getStart(), groups[i].getEnd());
+              if (sg.cs == null)
+              {
+                continue;
+              }
 
-        sg.setOutlineColour(new java.awt.Color(
-            groups[i].getOutlineColour()));
+              /*
+               * if (viewAnnColour.getColourScheme().equals("None" )) { sg.cs =
+               * new AnnotationColourGradient(
+               * annAlignment.getAlignmentAnnotation()[i], new
+               * java.awt.Color(viewAnnColour. getMinColour()), new
+               * java.awt.Color(viewAnnColour. getMaxColour()),
+               * viewAnnColour.getAboveThreshold()); } else
+               */
+              {
+                sg.cs = new AnnotationColourGradient(
+                        annAlignment.getAlignmentAnnotation()[i], sg.cs,
+                        viewAnnColour.getAboveThreshold());
+                if (cs instanceof AnnotationColourGradient)
+                {
+                  if (viewAnnColour.hasPerSequence())
+                  {
+                    ((AnnotationColourGradient) cs)
+                            .setSeqAssociated(viewAnnColour.isPerSequence());
+                  }
+                  if (viewAnnColour.hasPredefinedColours())
+                  {
+                    ((AnnotationColourGradient) cs)
+                            .setPredefinedColours(viewAnnColour
+                                    .isPredefinedColours());
+                  }
+                }
+              }
 
-        sg.textColour = new java.awt.Color(groups[i].getTextCol1());
-        sg.textColour2 = new java.awt.Color(groups[i].getTextCol2());
-        sg.thresholdTextColour = groups[i].getTextColThreshold();
+            }
+          }
 
-        if (groups[i].getConsThreshold() != 0)
-        {
-          jalview.analysis.Conservation c = new jalview.analysis.Conservation(
-              "All",
-              ResidueProperties.propHash, 3, sg.getSequences(null), 0,
-              sg.getWidth() - 1);
-          c.calculate();
-          c.verdict(false, 25);
-          sg.cs.setConservation(c);
+          break;
         }
 
-        al.addGroup(sg);
       }
     }
+    return cs;
+  }
 
-    /////////////////////////////////
-    // LOAD VIEWPORT
-
-    AlignFrame af = new AlignFrame(al,
-                                   view.getWidth(),
-                                   view.getHeight());
-
-    af.setFileName(file, "Jalview");
-
-    for (int i = 0; i < JSEQ.length; i++)
-    {
-      af.viewport.setSequenceColour(
-          af.viewport.alignment.getSequenceAt(i),
-          new java.awt.Color(
-              JSEQ[i].getColour()));
-    }
-
-    //If we just load in the same jar file again, the sequenceSetId
-    //will be the same, and we end up with multiple references
-    //to the same sequenceSet. We must modify this id on load
-    //so that each load of the file gives a unique id
-    String uniqueSeqSetId = view.getSequenceSetId() + uniqueSetSuffix;
-
-    af.viewport.gatherViewsHere = view.getGatheredViews();
-
-    if (view.getSequenceSetId() != null)
+  private void reorderAutoannotation(AlignFrame af, Alignment al,
+          ArrayList<JvAnnotRow> autoAlan)
+  {
+    // copy over visualization settings for autocalculated annotation in the
+    // view
+    if (al.getAlignmentAnnotation() != null)
     {
-      jalview.gui.AlignViewport av =
-          (jalview.gui.AlignViewport)
-          viewportsAdded.get(uniqueSeqSetId);
-
-      af.viewport.sequenceSetID = uniqueSeqSetId;
-      if (av != null)
+      /**
+       * Kludge for magic autoannotation names (see JAL-811)
+       */
+      String[] magicNames = new String[]
+      { "Consensus", "Quality", "Conservation" };
+      JvAnnotRow nullAnnot = new JvAnnotRow(-1, null);
+      Hashtable<String, JvAnnotRow> visan = new Hashtable<String, JvAnnotRow>();
+      for (String nm : magicNames)
       {
-
-        af.viewport.historyList = av.historyList;
-        af.viewport.redoList = av.redoList;
+        visan.put(nm, nullAnnot);
       }
-      else
+      for (JvAnnotRow auan : autoAlan)
       {
-        viewportsAdded.put(uniqueSeqSetId, af.viewport);
+        visan.put(auan.template.label
+                + (auan.template.getCalcId() == null ? "" : "\t"
+                        + auan.template.getCalcId()), auan);
       }
-
-      PaintRefresher.Register(af.alignPanel, uniqueSeqSetId);
-    }
-    if (hiddenSeqs != null)
-    {
-      for (int s = 0; s < JSEQ.length; s++)
+      int hSize = al.getAlignmentAnnotation().length;
+      ArrayList<JvAnnotRow> reorder = new ArrayList<JvAnnotRow>();
+      // work through any autoCalculated annotation already on the view
+      // removing it if it should be placed in a different location on the
+      // annotation panel.
+      List<String> remains = new ArrayList(visan.keySet());
+      for (int h = 0; h < hSize; h++)
       {
-        jalview.datamodel.SequenceGroup hidden =
-            new jalview.datamodel.SequenceGroup();
+        jalview.datamodel.AlignmentAnnotation jalan = al
+                .getAlignmentAnnotation()[h];
+        if (jalan.autoCalculated)
+        {
+          String k;
+          JvAnnotRow valan = visan.get(k = jalan.label);
+          if (jalan.getCalcId() != null)
+          {
+            valan = visan.get(k = jalan.label + "\t" + jalan.getCalcId());
+          }
 
-        for (int r = 0; r < JSEQ[s].getHiddenSequencesCount(); r++)
+          if (valan != null)
+          {
+            // delete the auto calculated row from the alignment
+            al.deleteAnnotation(jalan, false);
+            remains.remove(k);
+            hSize--;
+            h--;
+            if (valan != nullAnnot)
+            {
+              if (jalan != valan.template)
+              {
+                // newly created autoannotation row instance
+                // so keep a reference to the visible annotation row
+                // and copy over all relevant attributes
+                if (valan.template.graphHeight >= 0)
+
+                {
+                  jalan.graphHeight = valan.template.graphHeight;
+                }
+                jalan.visible = valan.template.visible;
+              }
+              reorder.add(new JvAnnotRow(valan.order, jalan));
+            }
+          }
+        }
+      }
+      // Add any (possibly stale) autocalculated rows that were not appended to
+      // the view during construction
+      for (String other : remains)
+      {
+        JvAnnotRow othera = visan.get(other);
+        if (othera != nullAnnot && othera.template.getCalcId() != null
+                && othera.template.getCalcId().length() > 0)
         {
-          hidden.addSequence(
-              al.getSequenceAt(JSEQ[s].getHiddenSequences(r))
-              , false
-              );
+          reorder.add(othera);
         }
-        af.viewport.hideRepSequences(al.getSequenceAt(s), hidden);
       }
-
-      jalview.datamodel.SequenceI[] hseqs = new
-          jalview.datamodel.SequenceI[hiddenSeqs.size()];
-
-      for (int s = 0; s < hiddenSeqs.size(); s++)
+      // now put the automatic annotation in its correct place
+      int s = 0, srt[] = new int[reorder.size()];
+      JvAnnotRow[] rws = new JvAnnotRow[reorder.size()];
+      for (JvAnnotRow jvar : reorder)
       {
-        hseqs[s] = (jalview.datamodel.SequenceI) hiddenSeqs.elementAt(s);
+        rws[s] = jvar;
+        srt[s++] = jvar.order;
+      }
+      reorder.clear();
+      jalview.util.QuickSort.sort(srt, rws);
+      // and re-insert the annotation at its correct position
+      for (JvAnnotRow jvar : rws)
+      {
+        al.addAnnotation(jvar.template, jvar.order);
       }
+      af.alignPanel.adjustAnnotationHeight();
+    }
+  }
 
-      af.viewport.hideSequence(hseqs);
+  Hashtable skipList = null;
 
-    }
+  /**
+   * TODO remove this method
+   * 
+   * @param view
+   * @return AlignFrame bound to sequenceSetId from view, if one exists. private
+   *         AlignFrame getSkippedFrame(Viewport view) { if (skipList==null) {
+   *         throw new Error("Implementation Error. No skipList defined for this
+   *         Jalview2XML instance."); } return (AlignFrame)
+   *         skipList.get(view.getSequenceSetId()); }
+   */
 
-    if ( (hideConsensus || hideQuality || hideConservation)
-        && al.getAlignmentAnnotation() != null)
+  /**
+   * Check if the Jalview view contained in object should be skipped or not.
+   * 
+   * @param object
+   * @return true if view's sequenceSetId is a key in skipList
+   */
+  private boolean skipViewport(JalviewModel object)
+  {
+    if (skipList == null)
     {
-      int hSize = al.getAlignmentAnnotation().length;
-      for (int h = 0; h < hSize; h++)
+      return false;
+    }
+    String id;
+    if (skipList.containsKey(id = object.getJalviewModelSequence()
+            .getViewport()[0].getSequenceSetId()))
+    {
+      if (Cache.log != null && Cache.log.isDebugEnabled())
       {
-        if (
-            (hideConsensus &&
-             al.getAlignmentAnnotation()[h].label.equals("Consensus"))
-            ||
-            (hideQuality &&
-             al.getAlignmentAnnotation()[h].label.equals("Quality"))
-            ||
-            (hideConservation &&
-             al.getAlignmentAnnotation()[h].label.equals("Conservation")))
-        {
-          al.deleteAnnotation(al.getAlignmentAnnotation()[h]);
-          hSize--;
-          h--;
-        }
+        Cache.log.debug("Skipping seuqence set id " + id);
       }
-      af.alignPanel.adjustAnnotationHeight();
+      return true;
     }
+    return false;
+  }
 
-    if (view.getViewName() != null)
+  public void addToSkipList(AlignFrame af)
+  {
+    if (skipList == null)
     {
-      af.viewport.viewName = view.getViewName();
-      af.setInitialTabVisible();
+      skipList = new Hashtable();
     }
-    af.setBounds(view.getXpos(), view.getYpos(), view.getWidth(),
-                 view.getHeight());
-
-    af.viewport.setShowAnnotation(view.getShowAnnotation());
-    af.viewport.setAbovePIDThreshold(view.getPidSelected());
-
-    af.viewport.setColourText(view.getShowColourText());
-
-    af.viewport.setConservationSelected(view.getConservationSelected());
-    af.viewport.setShowJVSuffix(view.getShowFullId());
-    af.viewport.rightAlignIds = view.getRightAlignIds();
-    af.viewport.setFont(new java.awt.Font(view.getFontName(),
-                                          view.getFontStyle(), view.getFontSize()));
-    af.alignPanel.fontChanged();
-    af.viewport.setRenderGaps(view.getRenderGaps());
-    af.viewport.setWrapAlignment(view.getWrapAlignment());
-    af.alignPanel.setWrapAlignment(view.getWrapAlignment());
-    af.viewport.setShowAnnotation(view.getShowAnnotation());
-    af.alignPanel.setAnnotationVisible(view.getShowAnnotation());
-
-    af.viewport.setShowBoxes(view.getShowBoxes());
-
-    af.viewport.setShowText(view.getShowText());
-
-    af.viewport.textColour = new java.awt.Color(view.getTextCol1());
-    af.viewport.textColour2 = new java.awt.Color(view.getTextCol2());
-    af.viewport.thresholdTextColour = view.getTextColThreshold();
+    skipList.put(af.getViewport().getSequenceSetId(), af);
+  }
 
-    af.viewport.setStartRes(view.getStartRes());
-    af.viewport.setStartSeq(view.getStartSeq());
+  public void clearSkipList()
+  {
+    if (skipList != null)
+    {
+      skipList.clear();
+      skipList = null;
+    }
+  }
 
-    ColourSchemeI cs = null;
+  private void recoverDatasetFor(SequenceSet vamsasSet, Alignment al,
+          boolean ignoreUnrefed)
+  {
+    jalview.datamodel.Alignment ds = getDatasetFor(vamsasSet.getDatasetId());
+    Vector dseqs = null;
+    if (ds == null)
+    {
+      // create a list of new dataset sequences
+      dseqs = new Vector();
+    }
+    for (int i = 0, iSize = vamsasSet.getSequenceCount(); i < iSize; i++)
+    {
+      Sequence vamsasSeq = vamsasSet.getSequence(i);
+      ensureJalviewDatasetSequence(vamsasSeq, ds, dseqs, ignoreUnrefed);
+    }
+    // create a new dataset
+    if (ds == null)
+    {
+      SequenceI[] dsseqs = new SequenceI[dseqs.size()];
+      dseqs.copyInto(dsseqs);
+      ds = new jalview.datamodel.Alignment(dsseqs);
+      debug("Created new dataset " + vamsasSet.getDatasetId()
+              + " for alignment " + System.identityHashCode(al));
+      addDatasetRef(vamsasSet.getDatasetId(), ds);
+    }
+    // set the dataset for the newly imported alignment.
+    if (al.getDataset() == null && !ignoreUnrefed)
+    {
+      al.setDataset(ds);
+    }
+  }
 
-    if (view.getBgColour() != null)
+  /**
+   * 
+   * @param vamsasSeq
+   *          sequence definition to create/merge dataset sequence for
+   * @param ds
+   *          dataset alignment
+   * @param dseqs
+   *          vector to add new dataset sequence to
+   */
+  private void ensureJalviewDatasetSequence(Sequence vamsasSeq,
+          AlignmentI ds, Vector dseqs, boolean ignoreUnrefed)
+  {
+    // JBP TODO: Check this is called for AlCodonFrames to support recovery of
+    // xRef Codon Maps
+    jalview.datamodel.Sequence sq = (jalview.datamodel.Sequence) seqRefIds
+            .get(vamsasSeq.getId());
+    jalview.datamodel.SequenceI dsq = null;
+    if (sq != null && sq.getDatasetSequence() != null)
     {
-      if (view.getBgColour().startsWith("ucs"))
+      dsq = sq.getDatasetSequence();
+    }
+    if (sq == null && ignoreUnrefed)
+    {
+      return;
+    }
+    String sqid = vamsasSeq.getDsseqid();
+    if (dsq == null)
+    {
+      // need to create or add a new dataset sequence reference to this sequence
+      if (sqid != null)
       {
-        cs = GetUserColourScheme(jms, view.getBgColour());
+        dsq = seqRefIds.get(sqid);
       }
-      else if (view.getBgColour().startsWith("Annotation"))
+      // check again
+      if (dsq == null)
       {
-        //int find annotation
-        for (int i = 0;
-             i < af.viewport.alignment.getAlignmentAnnotation().length; i++)
+        // make a new dataset sequence
+        dsq = sq.createDatasetSequence();
+        if (sqid == null)
         {
-          if (af.viewport.alignment.getAlignmentAnnotation()[i].label.
-              equals(view.getAnnotationColours().getAnnotation()))
+          // make up a new dataset reference for this sequence
+          sqid = seqHash(dsq);
+        }
+        dsq.setVamsasId(uniqueSetSuffix + sqid);
+        seqRefIds.put(sqid, dsq);
+        if (ds == null)
+        {
+          if (dseqs != null)
           {
-            if (af.viewport.alignment.getAlignmentAnnotation()[i].
-                getThreshold() == null)
-            {
-              af.viewport.alignment.getAlignmentAnnotation()[i].
-                  setThreshold(
-                      new jalview.datamodel.GraphLine(
-                          view.getAnnotationColours().getThreshold(),
-                          "Threshold", java.awt.Color.black)
-
-                  );
-            }
-
-            if (view.getAnnotationColours().getColourScheme().equals(
-                "None"))
-            {
-              cs = new AnnotationColourGradient(
-                  af.viewport.alignment.getAlignmentAnnotation()[i],
-                  new java.awt.Color(view.getAnnotationColours().
-                                     getMinColour()),
-                  new java.awt.Color(view.getAnnotationColours().
-                                     getMaxColour()),
-                  view.getAnnotationColours().getAboveThreshold());
-            }
-            else if (view.getAnnotationColours().getColourScheme().
-                     startsWith("ucs"))
+            dseqs.addElement(dsq);
+          }
+        }
+        else
+        {
+          ds.addSequence(dsq);
+        }
+      }
+      else
+      {
+        if (sq != dsq)
+        { // make this dataset sequence sq's dataset sequence
+          sq.setDatasetSequence(dsq);
+          // and update the current dataset alignment
+          if (ds == null)
+          {
+            if (dseqs != null)
             {
-              cs = new AnnotationColourGradient(
-                  af.viewport.alignment.getAlignmentAnnotation()[i],
-                  GetUserColourScheme(jms, view.getAnnotationColours().
-                                      getColourScheme()),
-                  view.getAnnotationColours().getAboveThreshold()
-                  );
+              if (!dseqs.contains(dsq))
+              {
+                dseqs.add(dsq);
+              }
             }
             else
             {
-              cs = new AnnotationColourGradient(
-                  af.viewport.alignment.getAlignmentAnnotation()[i],
-                  ColourSchemeProperty.getColour(al,
-                                                 view.getAnnotationColours().
-                                                 getColourScheme()),
-                  view.getAnnotationColours().getAboveThreshold()
-                  );
-            }
-
-            // Also use these settings for all the groups
-            if (al.getGroups() != null)
-            {
-              for (int g = 0; g < al.getGroups().size(); g++)
+              if (ds.findIndex(dsq) < 0)
               {
-                jalview.datamodel.SequenceGroup sg
-                    = (jalview.datamodel.SequenceGroup) al.getGroups().
-                    elementAt(g);
-
-                if (sg.cs == null)
-                {
-                  continue;
-                }
-
-                /*    if (view.getAnnotationColours().getColourScheme().equals("None"))
-                    {
-                      sg.cs = new AnnotationColourGradient(
-                          af.viewport.alignment.getAlignmentAnnotation()[i],
-                          new java.awt.Color(view.getAnnotationColours().
-                                             getMinColour()),
-                          new java.awt.Color(view.getAnnotationColours().
-                                             getMaxColour()),
-                          view.getAnnotationColours().getAboveThreshold());
-                    }
-                    else*/
-                {
-                  sg.cs = new AnnotationColourGradient(
-                      af.viewport.alignment.getAlignmentAnnotation()[i],
-                      sg.cs,
-                      view.getAnnotationColours().getAboveThreshold()
-                      );
-                }
-
+                ds.addSequence(dsq);
               }
             }
-
-            break;
           }
-
         }
       }
-      else
-      {
-        cs = ColourSchemeProperty.getColour(al, view.getBgColour());
-      }
-
-      if (cs != null)
+    }
+    // TODO: refactor this as a merge dataset sequence function
+    // now check that sq (the dataset sequence) sequence really is the union of
+    // all references to it
+    // boolean pre = sq.getStart() < dsq.getStart();
+    // boolean post = sq.getEnd() > dsq.getEnd();
+    // if (pre || post)
+    if (sq != dsq)
+    {
+      StringBuffer sb = new StringBuffer();
+      String newres = jalview.analysis.AlignSeq.extractGaps(
+              jalview.util.Comparison.GapChars, sq.getSequenceAsString());
+      if (!newres.equalsIgnoreCase(dsq.getSequenceAsString())
+              && newres.length() > dsq.getLength())
       {
-        cs.setThreshold(view.getPidThreshold(), true);
-        cs.setConsensus(af.viewport.hconsensus);
+        // Update with the longer sequence.
+        synchronized (dsq)
+        {
+          /*
+           * if (pre) { sb.insert(0, newres .substring(0, dsq.getStart() -
+           * sq.getStart())); dsq.setStart(sq.getStart()); } if (post) {
+           * sb.append(newres.substring(newres.length() - sq.getEnd() -
+           * dsq.getEnd())); dsq.setEnd(sq.getEnd()); }
+           */
+          dsq.setSequence(newres);
+        }
+        // TODO: merges will never happen if we 'know' we have the real dataset
+        // sequence - this should be detected when id==dssid
+        System.err
+                .println("DEBUG Notice:  Merged dataset sequence (if you see this often, post at http://issues.jalview.org/browse/JAL-1474)"); // ("
+        // + (pre ? "prepended" : "") + " "
+        // + (post ? "appended" : ""));
       }
     }
+  }
 
-    af.viewport.setGlobalColourScheme(cs);
-    af.viewport.setColourAppliesToAllGroups(false);
+  java.util.Hashtable datasetIds = null;
 
-    if (view.getConservationSelected() && cs != null)
+  java.util.IdentityHashMap dataset2Ids = null;
+
+  private Alignment getDatasetFor(String datasetId)
+  {
+    if (datasetIds == null)
     {
-      cs.setConservationInc(view.getConsThreshold());
+      datasetIds = new Hashtable();
+      return null;
     }
+    if (datasetIds.containsKey(datasetId))
+    {
+      return (Alignment) datasetIds.get(datasetId);
+    }
+    return null;
+  }
 
-    af.changeColour(cs);
-
-    af.viewport.setColourAppliesToAllGroups(true);
-
-    if (view.getShowSequenceFeatures())
+  private void addDatasetRef(String datasetId, Alignment dataset)
+  {
+    if (datasetIds == null)
     {
-      af.viewport.showSequenceFeatures = true;
+      datasetIds = new Hashtable();
     }
+    datasetIds.put(datasetId, dataset);
+  }
 
-    if (jms.getFeatureSettings() != null)
+  /**
+   * make a new dataset ID for this jalview dataset alignment
+   * 
+   * @param dataset
+   * @return
+   */
+  private String getDatasetIdRef(jalview.datamodel.Alignment dataset)
+  {
+    if (dataset.getDataset() != null)
     {
-      af.viewport.featuresDisplayed = new Hashtable();
-      String[] renderOrder = new String[jms.getFeatureSettings().
-          getSettingCount()];
-      for (int fs = 0; fs < jms.getFeatureSettings().getSettingCount(); fs++)
+      warn("Serious issue!  Dataset Object passed to getDatasetIdRef is not a Jalview DATASET alignment...");
+    }
+    String datasetId = makeHashCode(dataset, null);
+    if (datasetId == null)
+    {
+      // make a new datasetId and record it
+      if (dataset2Ids == null)
       {
-        Setting setting = jms.getFeatureSettings().getSetting(fs);
-
-        af.alignPanel.seqPanel.seqCanvas.getFeatureRenderer().setColour(setting.
-            getType(),
-            new java.awt.Color(setting.getColour()));
-        renderOrder[fs] = setting.getType();
-        if (setting.hasOrder())
-          af.alignPanel.seqPanel.seqCanvas.getFeatureRenderer().setOrder(setting.getType(), setting.getOrder());
-        else
-          af.alignPanel.seqPanel.seqCanvas.getFeatureRenderer().setOrder(setting.getType(), fs/jms.getFeatureSettings().getSettingCount());
-        if (setting.getDisplay())
-        {
-          af.viewport.featuresDisplayed.put(
-              setting.getType(), new Integer(setting.getColour()));
-        }
+        dataset2Ids = new IdentityHashMap();
+      }
+      else
+      {
+        datasetId = (String) dataset2Ids.get(dataset);
       }
-      af.alignPanel.seqPanel.seqCanvas.getFeatureRenderer().renderOrder =
-          renderOrder;
-      Hashtable fgtable;
-      af.alignPanel.seqPanel.seqCanvas.getFeatureRenderer().featureGroups = fgtable=new Hashtable();
-      for (int gs=0;gs<jms.getFeatureSettings().getGroupCount(); gs++)
+      if (datasetId == null)
       {
-        Group grp = jms.getFeatureSettings().getGroup(gs);
-        fgtable.put(grp.getName(), new Boolean(grp.getDisplay()));
+        datasetId = "ds" + dataset2Ids.size() + 1;
+        dataset2Ids.put(dataset, datasetId);
       }
     }
+    return datasetId;
+  }
 
-    if (view.getHiddenColumnsCount() > 0)
+  private void addDBRefs(SequenceI datasetSequence, Sequence sequence)
+  {
+    for (int d = 0; d < sequence.getDBRefCount(); d++)
     {
-      for (int c = 0; c < view.getHiddenColumnsCount(); c++)
+      DBRef dr = sequence.getDBRef(d);
+      jalview.datamodel.DBRefEntry entry = new jalview.datamodel.DBRefEntry(
+              sequence.getDBRef(d).getSource(), sequence.getDBRef(d)
+                      .getVersion(), sequence.getDBRef(d).getAccessionId());
+      if (dr.getMapping() != null)
       {
-        af.viewport.hideColumns(
-            view.getHiddenColumns(c).getStart(),
-            view.getHiddenColumns(c).getEnd() //+1
-            );
+        entry.setMap(addMapping(dr.getMapping()));
       }
+      datasetSequence.addDBRef(entry);
     }
+  }
 
-    af.setMenusFromViewport(af.viewport);
-
-    Desktop.addInternalFrame(af, view.getTitle(),
-                             view.getWidth(), view.getHeight());
-
-    //LOAD TREES
-    ///////////////////////////////////////
-    if (loadTreesAndStructures && jms.getTreeCount() > 0)
+  private jalview.datamodel.Mapping addMapping(Mapping m)
+  {
+    SequenceI dsto = null;
+    // Mapping m = dr.getMapping();
+    int fr[] = new int[m.getMapListFromCount() * 2];
+    Enumeration f = m.enumerateMapListFrom();
+    for (int _i = 0; f.hasMoreElements(); _i += 2)
     {
-      try
+      MapListFrom mf = (MapListFrom) f.nextElement();
+      fr[_i] = mf.getStart();
+      fr[_i + 1] = mf.getEnd();
+    }
+    int fto[] = new int[m.getMapListToCount() * 2];
+    f = m.enumerateMapListTo();
+    for (int _i = 0; f.hasMoreElements(); _i += 2)
+    {
+      MapListTo mf = (MapListTo) f.nextElement();
+      fto[_i] = mf.getStart();
+      fto[_i + 1] = mf.getEnd();
+    }
+    jalview.datamodel.Mapping jmap = new jalview.datamodel.Mapping(dsto,
+            fr, fto, (int) m.getMapFromUnit(), (int) m.getMapToUnit());
+    if (m.getMappingChoice() != null)
+    {
+      MappingChoice mc = m.getMappingChoice();
+      if (mc.getDseqFor() != null)
       {
-        for (int t = 0; t < jms.getTreeCount(); t++)
+        String dsfor = "" + mc.getDseqFor();
+        if (seqRefIds.containsKey(dsfor))
         {
-
-          Tree tree = jms.getTree(t);
-
-          TreePanel tp = af.ShowNewickTree(new jalview.io.NewickFile(
-              tree.getNewick()), tree.getTitle(),
-                                           tree.getWidth(), tree.getHeight(),
-                                           tree.getXpos(), tree.getYpos());
-
-          tp.fitToWindow.setState(tree.getFitToWindow());
-          tp.fitToWindow_actionPerformed(null);
-
-          if (tree.getFontName() != null)
-          {
-            tp.setTreeFont(new java.awt.Font(tree.getFontName(),
-                                             tree.getFontStyle(),
-                                             tree.getFontSize()));
-          }
-          else
-          {
-            tp.setTreeFont(new java.awt.Font(view.getFontName(),
-                                             view.getFontStyle(),
-                                             tree.getFontSize()));
-          }
-
-          tp.showPlaceholders(tree.getMarkUnlinked());
-          tp.showBootstrap(tree.getShowBootstrap());
-          tp.showDistances(tree.getShowDistances());
-
-          tp.treeCanvas.threshold = tree.getThreshold();
-
-          if (tree.getCurrentTree())
-          {
-            af.viewport.setCurrentTree(tp.getTree());
-          }
+          /**
+           * recover from hash
+           */
+          jmap.setTo(seqRefIds.get(dsfor));
+        }
+        else
+        {
+          frefedSequence.add(new Object[]
+          { dsfor, jmap });
         }
-
-      }
-      catch (Exception ex)
-      {
-        ex.printStackTrace();
       }
-    }
-
-    ////LOAD STRUCTURES
-    if(loadTreesAndStructures)
-    {
-      for (int i = 0; i < JSEQ.length; i++)
+      else
       {
-        if (JSEQ[i].getPdbidsCount() > 0)
+        /**
+         * local sequence definition
+         */
+        Sequence ms = mc.getSequence();
+        jalview.datamodel.Sequence djs = null;
+        String sqid = ms.getDsseqid();
+        if (sqid != null && sqid.length() > 0)
         {
-          Pdbids[] ids = JSEQ[i].getPdbids();
-          for (int p = 0; p < ids.length; p++)
-          {
-            for (int s = 0; s < ids[p].getStructureStateCount(); s++)
-            {
-              jalview.datamodel.PDBEntry jpdb = new jalview.datamodel.PDBEntry();
+          /*
+           * recover dataset sequence
+           */
+          djs = (jalview.datamodel.Sequence) seqRefIds.get(sqid);
+        }
+        else
+        {
+          System.err
+                  .println("Warning - making up dataset sequence id for DbRef sequence map reference");
+          sqid = ((Object) ms).toString(); // make up a new hascode for
+          // undefined dataset sequence hash
+          // (unlikely to happen)
+        }
 
-              jpdb.setFile(loadPDBFile(ids[p].getFile(), ids[p].getId()));
-              jpdb.setId(ids[p].getId());
+        if (djs == null)
+        {
+          /**
+           * make a new dataset sequence and add it to refIds hash
+           */
+          djs = new jalview.datamodel.Sequence(ms.getName(),
+                  ms.getSequence());
+          djs.setStart(jmap.getMap().getToLowest());
+          djs.setEnd(jmap.getMap().getToHighest());
+          djs.setVamsasId(uniqueSetSuffix + sqid);
+          jmap.setTo(djs);
+          seqRefIds.put(sqid, djs);
 
-              int x = ids[p].getStructureState(s).getXpos();
-              int y = ids[p].getStructureState(s).getYpos();
-              int width = ids[p].getStructureState(s).getWidth();
-              int height = ids[p].getStructureState(s).getHeight();
+        }
+        jalview.bin.Cache.log.debug("about to recurse on addDBRefs.");
+        addDBRefs(djs, ms);
 
-              java.awt.Component comp = null;
+      }
+    }
+    return (jmap);
 
-              JInternalFrame [] frames = Desktop.desktop.getAllFrames();
-              for(int f=0; f<frames.length; f++)
-              {
-                if(frames[f] instanceof AppJmol)
-                {
-                  if(frames[f].getWidth()==width && frames[f].getHeight()==height)
-                  {
-                    comp = frames[f];
-                    break;
-                  }
-                }
-              }
+  }
 
+  public jalview.gui.AlignmentPanel copyAlignPanel(AlignmentPanel ap,
+          boolean keepSeqRefs)
+  {
+    initSeqRefs();
+    jalview.schemabinding.version2.JalviewModel jm = saveState(ap, null,
+            null);
 
-              Desktop.desktop.getComponentAt(x, y);
+    if (!keepSeqRefs)
+    {
+      clearSeqRefs();
+      jm.getJalviewModelSequence().getViewport(0).setSequenceSetId(null);
+    }
+    else
+    {
+      uniqueSetSuffix = "";
+      jm.getJalviewModelSequence().getViewport(0).setId(null); // we don't
+      // overwrite the
+      // view we just
+      // copied
+    }
+    if (this.frefedSequence == null)
+    {
+      frefedSequence = new Vector();
+    }
 
-              String pdbFile = loadPDBFile(file, ids[p].getId());
+    viewportsAdded = new Hashtable();
 
-              jalview.datamodel.SequenceI[] seq = new jalview.datamodel.SequenceI[]
-                  {
-                  al.getSequenceAt(i)};
+    AlignFrame af = loadFromObject(jm, null, false, null);
+    af.alignPanels.clear();
+    af.closeMenuItem_actionPerformed(true);
 
+    /*
+     * if(ap.av.getAlignment().getAlignmentAnnotation()!=null) { for(int i=0;
+     * i<ap.av.getAlignment().getAlignmentAnnotation().length; i++) {
+     * if(!ap.av.getAlignment().getAlignmentAnnotation()[i].autoCalculated) {
+     * af.alignPanel.av.getAlignment().getAlignmentAnnotation()[i] =
+     * ap.av.getAlignment().getAlignmentAnnotation()[i]; } } }
+     */
 
-              if (comp == null)
-              {
-                String state = ids[p].getStructureState(s).getContent();
+    return af.alignPanel;
+  }
 
-                StringBuffer newFileLoc = new StringBuffer(state.substring(0,
-                    state.indexOf("\"", state.indexOf("load")) + 1));
+  /**
+   * flag indicating if hashtables should be cleared on finalization TODO this
+   * flag may not be necessary
+   */
+  private final boolean _cleartables = true;
 
-                newFileLoc.append(jpdb.getFile());
-                newFileLoc.append(state.substring(
-                    state.indexOf("\"", state.indexOf("load \"") + 6)));
+  private Hashtable jvids2vobj;
 
-                new AppJmol(pdbFile,
-                            ids[p].getId(),
-                            seq,
-                            af.alignPanel,
-                            newFileLoc.toString(),
-                            new java.awt.Rectangle(x, y, width, height));
+  /*
+   * (non-Javadoc)
+   * 
+   * @see java.lang.Object#finalize()
+   */
+  @Override
+  protected void finalize() throws Throwable
+  {
+    // really make sure we have no buried refs left.
+    if (_cleartables)
+    {
+      clearSeqRefs();
+    }
+    this.seqRefIds = null;
+    this.seqsToIds = null;
+    super.finalize();
+  }
 
-              }
-              else if(comp!=null)
-              {
-                StructureSelectionManager.getStructureSelectionManager()
-                    .setMapping(seq, null, pdbFile,
-                                jalview.io.AppletFormatAdapter.FILE);
+  private void warn(String msg)
+  {
+    warn(msg, null);
+  }
 
-                ( (AppJmol) comp).addSequence(seq);
-              }
-            }
-          }
-        }
+  private void warn(String msg, Exception e)
+  {
+    if (Cache.log != null)
+    {
+      if (e != null)
+      {
+        Cache.log.warn(msg, e);
+      }
+      else
+      {
+        Cache.log.warn(msg);
+      }
+    }
+    else
+    {
+      System.err.println("Warning: " + msg);
+      if (e != null)
+      {
+        e.printStackTrace();
       }
     }
-
-    return af;
   }
 
-  public jalview.gui.AlignmentPanel copyAlignPanel(AlignmentPanel ap,
-      boolean keepSeqRefs)
+  private void debug(String string)
   {
-    jalview.schemabinding.version2.JalviewModel jm
-        = SaveState(ap, null, null, null);
+    debug(string, null);
+  }
 
-    if (!keepSeqRefs)
+  private void debug(String msg, Exception e)
+  {
+    if (Cache.log != null)
     {
-      seqRefIds.clear();
-      jm.getJalviewModelSequence().getViewport(0).setSequenceSetId(null);
+      if (e != null)
+      {
+        Cache.log.debug(msg, e);
+      }
+      else
+      {
+        Cache.log.debug(msg);
+      }
     }
     else
     {
-      uniqueSetSuffix = "";
+      System.err.println("Warning: " + msg);
+      if (e != null)
+      {
+        e.printStackTrace();
+      }
     }
+  }
 
-    viewportsAdded = new Hashtable();
-
-    AlignFrame af = LoadFromObject(jm, null, false);
-    af.alignPanels.clear();
-    af.closeMenuItem_actionPerformed(true);
-
-    /*  if(ap.av.alignment.getAlignmentAnnotation()!=null)
+  /**
+   * set the object to ID mapping tables used to write/recover objects and XML
+   * ID strings for the jalview project. If external tables are provided then
+   * finalize and clearSeqRefs will not clear the tables when the Jalview2XML
+   * object goes out of scope. - also populates the datasetIds hashtable with
+   * alignment objects containing dataset sequences
+   * 
+   * @param vobj2jv
+   *          Map from ID strings to jalview datamodel
+   * @param jv2vobj
+   *          Map from jalview datamodel to ID strings
+   * 
+   * 
+   */
+  public void setObjectMappingTables(Hashtable vobj2jv,
+          IdentityHashMap jv2vobj)
+  {
+    this.jv2vobj = jv2vobj;
+    this.vobj2jv = vobj2jv;
+    Iterator ds = jv2vobj.keySet().iterator();
+    String id;
+    while (ds.hasNext())
+    {
+      Object jvobj = ds.next();
+      id = jv2vobj.get(jvobj).toString();
+      if (jvobj instanceof jalview.datamodel.Alignment)
       {
-        for(int i=0; i<ap.av.alignment.getAlignmentAnnotation().length; i++)
+        if (((jalview.datamodel.Alignment) jvobj).getDataset() == null)
         {
-          if(!ap.av.alignment.getAlignmentAnnotation()[i].autoCalculated)
-          {
-            af.alignPanel.av.alignment.getAlignmentAnnotation()[i] =
-                ap.av.alignment.getAlignmentAnnotation()[i];
-          }
+          addDatasetRef(id, (jalview.datamodel.Alignment) jvobj);
+        }
+      }
+      else if (jvobj instanceof jalview.datamodel.Sequence)
+      {
+        // register sequence object so the XML parser can recover it.
+        if (seqRefIds == null)
+        {
+          seqRefIds = new HashMap<String, SequenceI>();
+        }
+        if (seqsToIds == null)
+        {
+          seqsToIds = new IdentityHashMap<SequenceI, String>();
+        }
+        seqRefIds.put(jv2vobj.get(jvobj).toString(), (SequenceI) jvobj);
+        seqsToIds.put((SequenceI) jvobj, id);
+      }
+      else if (jvobj instanceof jalview.datamodel.AlignmentAnnotation)
+      {
+        if (annotationIds == null)
+        {
+          annotationIds = new Hashtable();
+        }
+        String anid;
+        annotationIds.put(anid = jv2vobj.get(jvobj).toString(), jvobj);
+        jalview.datamodel.AlignmentAnnotation jvann = (jalview.datamodel.AlignmentAnnotation) jvobj;
+        if (jvann.annotationId == null)
+        {
+          jvann.annotationId = anid;
+        }
+        if (!jvann.annotationId.equals(anid))
+        {
+          // TODO verify that this is the correct behaviour
+          this.warn("Overriding Annotation ID for " + anid
+                  + " from different id : " + jvann.annotationId);
+          jvann.annotationId = anid;
+        }
+      }
+      else if (jvobj instanceof String)
+      {
+        if (jvids2vobj == null)
+        {
+          jvids2vobj = new Hashtable();
+          jvids2vobj.put(jvobj, jv2vobj.get(jvobj).toString());
         }
-      }   */
+      }
+      else
+      {
+        Cache.log.debug("Ignoring " + jvobj.getClass() + " (ID = " + id);
+      }
+    }
+  }
 
-    return af.alignPanel;
+  /**
+   * set the uniqueSetSuffix used to prefix/suffix object IDs for jalview
+   * objects created from the project archive. If string is null (default for
+   * construction) then suffix will be set automatically.
+   * 
+   * @param string
+   */
+  public void setUniqueSetSuffix(String string)
+  {
+    uniqueSetSuffix = string;
+
+  }
+
+  /**
+   * uses skipList2 as the skipList for skipping views on sequence sets
+   * associated with keys in the skipList
+   * 
+   * @param skipList2
+   */
+  public void setSkipList(Hashtable skipList2)
+  {
+    skipList = skipList2;
   }
 }