Formatting changes
[jalview.git] / src / jalview / gui / AlignFrame.java
index 343ca2b..d154e2e 100755 (executable)
-/********************
- * 2004 Jalview Reengineered
- * Barton Group
- * Dundee University
- *
- * AM Waterhouse
- *******************/
-
-
-
-
-package jalview.gui;
-
-import java.util.*;
-
-import java.awt.*;
-import java.awt.datatransfer.*;
-import java.awt.event.*;
-import java.awt.print.*;
-import javax.swing.*;
-import javax.swing.event.*;
-
-import jalview.analysis.*;
-import jalview.datamodel.*;
-import jalview.io.*;
-import jalview.jbgui.*;
-import jalview.schemes.*;
-import jalview.ws.*;
-import java.beans.PropertyChangeEvent;
-
-public class AlignFrame extends GAlignFrame
-{
-  final AlignmentPanel alignPanel;
-  final AlignViewport viewport;
-  public static final int NEW_WINDOW_WIDTH = 700;
-  public static final int NEW_WINDOW_HEIGHT = 500;
-  public String currentFileFormat = "Jalview";
-
-  public AlignFrame(AlignmentI al)
-  {
-    viewport = new AlignViewport(al);
-
-    alignPanel = new AlignmentPanel(this, viewport);
-    alignPanel.annotationPanel.adjustPanelHeight();
-    alignPanel.annotationSpaceFillerHolder.setPreferredSize(alignPanel.annotationPanel.getPreferredSize());
-    alignPanel.annotationScroller.setPreferredSize(alignPanel.annotationPanel.getPreferredSize());
-    alignPanel.setAnnotationVisible( viewport.getShowAnnotation() );
-
-    getContentPane().add(alignPanel, java.awt.BorderLayout.CENTER);
-
-    addInternalFrameListener(new InternalFrameAdapter()
-   {
-     public void internalFrameActivated(InternalFrameEvent evt)
-     {
-          javax.swing.SwingUtilities.invokeLater(new Runnable()
-          {
-            public void run()
-            {      alignPanel.requestFocus();    }
-          });
-
-     }
-   });
-
-  }
-
-  public void saveAlignmentMenu_actionPerformed(ActionEvent e)
-  {
-    JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.getProperty("LAST_DIRECTORY")
-        ,  new String[]{"fa, fasta, fastq", "aln",  "pfam", "msf", "pir","blc","jar"},
-          new String[]{"Fasta", "Clustal", "PFAM", "MSF", "PIR", "BLC", "Jalview"},
-          currentFileFormat);
-
-    chooser.setAcceptAllFileFilterUsed(false);
-    chooser.setFileView(new JalviewFileView());
-    chooser.setDialogTitle("Save Alignment to file");
-    chooser.setToolTipText("Save");
-    int value = chooser.showSaveDialog(this);
-    if(value == JalviewFileChooser.APPROVE_OPTION)
-    {
-      currentFileFormat  = chooser.getSelectedFormat();
-      jalview.bin.Cache.setProperty("DEFAULT_FILE_FORMAT", currentFileFormat);
-
-      if (currentFileFormat.equals("Jalview"))
-      {
-        String shortName = title.replace('/', '_');
-        title = title.replace('\\', '_');
-        String choice = chooser.getSelectedFile().getPath();
-        Jalview2XML.SaveState(this, choice, shortName);
-        // USE Jalview2XML to save this file
-        return;
-      }
-
-      String choice =  chooser.getSelectedFile().getPath();
-      jalview.bin.Cache.setProperty("LAST_DIRECTORY", choice);
-      String output = FormatAdapter.formatSequences(currentFileFormat, viewport.getAlignment().getSequences());
-      try{
-        java.io.PrintWriter out = new java.io.PrintWriter( new java.io.FileWriter( choice )  );
-        out.println(output);
-        out.close();
-      }
-      catch(Exception ex){}
-    }
-
-  }
-
-  protected void outputText_actionPerformed(ActionEvent e)
-  {
-     CutAndPasteTransfer cap = new CutAndPasteTransfer();
-     Desktop.addInternalFrame(cap, "Alignment output - "+e.getActionCommand(), 600, 500);
-     cap.setText( FormatAdapter.formatSequences(e.getActionCommand(), viewport.getAlignment().getSequences()));
-  }
-
-  protected void htmlMenuItem_actionPerformed(ActionEvent e)
-  {
-    new HTMLOutput(viewport);
-  }
-
-  protected void createPNG_actionPerformed(ActionEvent e)
-  {
-    alignPanel.makePNG();
-  }
-
-  protected void epsFile_actionPerformed(ActionEvent e)
-  {
-    alignPanel.makeEPS();
-  }
-
-
-  public void printMenuItem_actionPerformed(ActionEvent e)
-  {
-    //Putting in a thread avoids Swing painting problems
-    PrintThread thread = new PrintThread();
-    thread.start();
-  }
-
-  class PrintThread extends Thread
-  {
-    public void run()
-    {
-      PrinterJob printJob = PrinterJob.getPrinterJob();
-      PageFormat pf = printJob.pageDialog(printJob.defaultPage());
-      printJob.setPrintable(alignPanel, pf);
-      if (printJob.printDialog())
-      {
-        try
-        {
-          printJob.print();
-        }
-        catch (Exception PrintException)
-        {
-          PrintException.printStackTrace();
-        }
-      }
-    }
-
-  }
-
-
-
-
-  public void closeMenuItem_actionPerformed(ActionEvent e)
-  {
-    try{
-      this.setClosed(true);
-    }catch(Exception ex){}
-  }
-
-  Stack historyList = new Stack();
-  Stack redoList = new Stack();
-  private int treeCount = 0;
-
-  void updateEditMenuBar()
-   {
-     if(historyList.size()>0)
-      {
-        undoMenuItem.setEnabled(true);
-        HistoryItem hi = (HistoryItem)historyList.peek();
-        undoMenuItem.setText("Undo "+hi.getDescription());
-      }
-     else
-     {
-       undoMenuItem.setEnabled(false);
-       undoMenuItem.setText("Undo");
-     }
-
-     if(redoList.size()>0)
-      {
-        redoMenuItem.setEnabled(true);
-        HistoryItem hi = (HistoryItem)redoList.peek();
-        redoMenuItem.setText("Redo "+hi.getDescription());
-      }
-     else
-     {
-       redoMenuItem.setEnabled(false);
-       redoMenuItem.setText("Redo");
-     }
-   }
-
-   public void addHistoryItem(HistoryItem hi)
-   {
-     historyList.push(hi);
-     updateEditMenuBar();
-   }
-
-   protected void undoMenuItem_actionPerformed(ActionEvent e)
-   {
-       HistoryItem hi = (HistoryItem)historyList.pop();
-       redoList.push(new HistoryItem(hi.getDescription(), viewport.alignment, HistoryItem.HIDE));
-       restoreHistoryItem(hi);
-   }
-
-
-   protected void redoMenuItem_actionPerformed(ActionEvent e)
-   {
-      HistoryItem hi = (HistoryItem)redoList.pop();
-      restoreHistoryItem(hi);
-      updateEditMenuBar();
-      viewport.updateConsensus();
-      alignPanel.repaint();
-      alignPanel.repaint();
-   }
-
-
-   // used by undo and redo
-   void restoreHistoryItem(HistoryItem hi)
-   {
-      if(hi.getType()== HistoryItem.SORT)
-      {
-           for(int i=0; i<hi.getSequences().size(); i++)
-             viewport.alignment.getSequences().setElementAt(hi.getSequences().elementAt(i), i);
-      }
-      else
-      {
-        for (int i = 0; i < hi.getSequences().size(); i++)
-        {
-          SequenceI restore = (SequenceI) hi.getSequences().elementAt(i);
-          if(restore.getLength()==0)
-          {
-            restore.setSequence(hi.getHidden().elementAt(i).toString());
-            viewport.alignment.getSequences().insertElementAt(
-               restore,
-               hi.getAlignIndex(i));
-          }
-          else
-            restore.setSequence(hi.getHidden().elementAt(i).toString());
-        }
-        if(hi.getType()==HistoryItem.PASTE)
-        {
-          for(int i=viewport.alignment.getHeight()-1;i>hi.getSequences().size()-1; i--)
-            viewport.alignment.deleteSequence(i);
-        }
-      }
-      viewport.firePropertyChange("alignment", null, viewport.getAlignment().getSequences());
-      updateEditMenuBar();
-
-      viewport.updateConsensus();
-      viewport.updateConservation();
-      alignPanel.repaint();
-  }
-
-  public void moveSelectedSequences(boolean up)
-  {
-    SequenceGroup sg = viewport.getSelectionGroup();
-    if (sg == null)
-      return;
-
-    if (up)
-    {
-      for (int i = 1; i < viewport.alignment.getHeight(); i++)
-      {
-        SequenceI seq = viewport.alignment.getSequenceAt(i);
-        if (!sg.sequences.contains(seq))
-          continue;
-
-        SequenceI temp = viewport.alignment.getSequenceAt(i - 1);
-        if (sg.sequences.contains(temp))
-          continue;
-
-        viewport.alignment.getSequences().setElementAt(temp, i);
-        viewport.alignment.getSequences().setElementAt(seq, i - 1);
-      }
-    }
-    else
-    {
-      for (int i = viewport.alignment.getHeight() - 2; i > -1; i--)
-      {
-        SequenceI seq = viewport.alignment.getSequenceAt(i);
-        if (!sg.sequences.contains(seq))
-          continue;
-
-        SequenceI temp = viewport.alignment.getSequenceAt(i + 1);
-        if (sg.sequences.contains(temp))
-          continue;
-
-        viewport.alignment.getSequences().setElementAt(temp, i);
-        viewport.alignment.getSequences().setElementAt(seq, i + 1);
-      }
-    }
-
-    alignPanel.repaint();
-  }
-
-
-
-  protected void copy_actionPerformed(ActionEvent e)
-  {
-     if(viewport.getSelectionGroup()==null)
-       return;
-
-     SequenceGroup sg = viewport.getSelectionGroup();
-
-     Clipboard c = Toolkit.getDefaultToolkit().getSystemClipboard();
-     StringBuffer buffer= new StringBuffer();
-
-     Hashtable orderedSeqs = new Hashtable();
-     for(int i=0; i<sg.getSize(); i++)
-     {
-        SequenceI seq = sg.getSequenceAt(i);
-        int index = viewport.alignment.findIndex(seq);
-        orderedSeqs.put(index+"", seq);
-     }
-
-     int index=0;
-     for(int i=0; i<sg.getSize(); i++)
-     {
-       SequenceI seq = null;
-       while( seq == null )
-       {
-         if(orderedSeqs.containsKey(index+""))
-         {
-           seq = (SequenceI) orderedSeqs.get(index + "");
-           index++;
-           break;
-         }
-         else
-           index++;
-       }
-
-         buffer.append( seq.getName()+"\t"+seq.findPosition( sg.getStartRes() ) +"\t"
-                        +seq.findPosition( sg.getEndRes() )+ "\t"
-                        +sg.getSequenceAt(i).getSequence(sg.getStartRes(), sg.getEndRes()+1)+"\n");
-     }
-     c.setContents( new StringSelection( buffer.toString()) , null ) ;
-
-  }
-
-
-  protected void pasteNew_actionPerformed(ActionEvent e)
-  {
-    paste(true);
-  }
-
-  protected void pasteThis_actionPerformed(ActionEvent e)
-  {
-    addHistoryItem(new HistoryItem("Paste Sequences", viewport.alignment, HistoryItem.PASTE));
-    paste(false);
-  }
-
-  void paste(boolean newAlignment)
-  {
-    try{
-      Clipboard c = Toolkit.getDefaultToolkit().getSystemClipboard();
-      Transferable contents = c.getContents(this);
-      if (contents == null)
-        return;
-
-      String str = (String) contents.getTransferData(DataFlavor.stringFlavor);
-      StringTokenizer st = new StringTokenizer(str);
-      ArrayList seqs = new ArrayList();
-      while (st.hasMoreElements())
-      {
-        String name = st.nextToken();
-        int start = Integer.parseInt(st.nextToken());
-        int end = Integer.parseInt(st.nextToken());
-        Sequence sequence = new Sequence(name,st.nextToken(), start, end);
-
-        if(!newAlignment)
-          viewport.alignment.addSequence(sequence);
-        else
-          seqs.add(sequence);
-      }
-
-      if(newAlignment)
-      {
-        SequenceI[] newSeqs = new SequenceI[seqs.size()];
-        seqs.toArray(newSeqs);
-        AlignFrame af = new AlignFrame(new Alignment(newSeqs));
-        String newtitle = new String("Copied sequences");
-        if( title.startsWith("Copied sequences"))
-         newtitle = title;
-       else
-         newtitle = newtitle.concat("- from "+title);
-
-        Desktop.addInternalFrame(af, newtitle, NEW_WINDOW_WIDTH, NEW_WINDOW_HEIGHT);
-      }
-      else
-      {
-        viewport.firePropertyChange("alignment", null, viewport.getAlignment().getSequences());
-        viewport.setEndSeq(viewport.alignment.getHeight());
-        viewport.alignment.getWidth();
-        viewport.updateConservation();
-        viewport.updateConsensus();
-        alignPanel.repaint();
-      }
-
-    }catch(Exception ex){}// could be anything being pasted in here
-
-  }
-
-
-  protected void cut_actionPerformed(ActionEvent e)
-  {
-    copy_actionPerformed(null);
-    delete_actionPerformed(null);
-  }
-
-  protected void delete_actionPerformed(ActionEvent e)
-  {
-    boolean seqsdeleted=false;
-
-    if (viewport.getSelectionGroup() == null)
-      return;
-
-    addHistoryItem(new HistoryItem("Delete Sequences", viewport.alignment, HistoryItem.HIDE));
-
-     SequenceGroup sg = viewport.getSelectionGroup();
-     for (int i=0;i < sg.sequences.size(); i++)
-     {
-       SequenceI seq = sg.getSequenceAt(i);
-       int index = viewport.getAlignment().findIndex(seq);
-       seq.deleteChars(sg.getStartRes(),sg.getEndRes()+1);
-
-       if(seq.getSequence().length()<1) {
-         seqsdeleted=true;
-         viewport.getAlignment().deleteSequence(seq);
-        } else {
-         viewport.getAlignment().getSequences().setElementAt(seq, index);
-       }
-     }
-
-     viewport.setSelectionGroup(null);
-     viewport.alignment.deleteGroup(sg);
-     if (seqsdeleted)
-       viewport.firePropertyChange("alignment", null, viewport.getAlignment().getSequences());
-     viewport.resetSeqLimits( alignPanel.seqPanel.seqCanvas.getHeight());
-     if(viewport.getAlignment().getHeight()<1)
-     try
-     {
-       this.setClosed(true);
-     }catch(Exception ex){}
-   viewport.updateConservation();
-   viewport.updateConsensus();
-   alignPanel.repaint();
- }
-
-
-  protected void deleteGroups_actionPerformed(ActionEvent e)
-  {
-    viewport.alignment.deleteAllGroups();
-    viewport.setSelectionGroup(null);
-    alignPanel.repaint();
-  }
-
-
-
-  public void selectAllSequenceMenuItem_actionPerformed(ActionEvent e)
-  {
-    SequenceGroup sg = new SequenceGroup();
-    for (int i=0; i<viewport.getAlignment().getSequences().size(); i++)
-      sg.addSequence( viewport.getAlignment().getSequenceAt(i));
-    sg.setEndRes(viewport.alignment.getWidth());
-    viewport.setSelectionGroup(sg);
-    PaintRefresher.Refresh(null);
-  }
-
-  public void deselectAllSequenceMenuItem_actionPerformed(ActionEvent e)
-  {
-    viewport.setSelectionGroup(null);
-    viewport.getColumnSelection().clear();
-    viewport.setSelectionGroup(null);
-    PaintRefresher.Refresh(null);
-  }
-
-  public void invertSequenceMenuItem_actionPerformed(ActionEvent e)
-  {
-    SequenceGroup sg = viewport.getSelectionGroup();
-    for (int i=0; i<viewport.getAlignment().getSequences().size(); i++)
-      sg.addOrRemove (viewport.getAlignment().getSequenceAt(i));
-
-    PaintRefresher.Refresh(null);
-  }
-
-  public void remove2LeftMenuItem_actionPerformed(ActionEvent e)
-  {
-    ColumnSelection colSel = viewport.getColumnSelection();
-    if (colSel.size() > 0)
-    {
-      addHistoryItem(new HistoryItem("Remove Left",viewport.alignment,
-                                     HistoryItem.HIDE));
-      int min = colSel.getMin();
-      viewport.getAlignment().trimLeft(min);
-      colSel.compensateForEdit(0,min);
-
-      if(viewport.getSelectionGroup()!=null)
-        viewport.getSelectionGroup().adjustForRemoveLeft(min);
-
-      Vector groups = viewport.alignment.getGroups();
-      for(int i=0; i<groups.size(); i++)
-      {
-        SequenceGroup sg = (SequenceGroup) groups.get(i);
-        if(!sg.adjustForRemoveLeft(min))
-          viewport.alignment.deleteGroup(sg);
-      }
-
-      alignPanel.repaint();
-    }
-  }
-
-  public void remove2RightMenuItem_actionPerformed(ActionEvent e)
-  {
-    ColumnSelection colSel = viewport.getColumnSelection();
-    if (colSel.size() > 0)
-    {
-      addHistoryItem(new HistoryItem("Remove Right",viewport.alignment,
-                                     HistoryItem.HIDE));
-
-      int max = colSel.getMax();
-      viewport.getAlignment().trimRight(max);
-      if(viewport.getSelectionGroup()!=null)
-        viewport.getSelectionGroup().adjustForRemoveRight(max);
-
-      Vector groups = viewport.alignment.getGroups();
-      for(int i=0; i<groups.size(); i++)
-      {
-        SequenceGroup sg = (SequenceGroup) groups.get(i);
-        if(!sg.adjustForRemoveRight(max))
-          viewport.alignment.deleteGroup(sg);
-      }
-
-
-
-      alignPanel.repaint();
-    }
-
-  }
-
-  public void removeGappedColumnMenuItem_actionPerformed(ActionEvent e)
-  {
-    addHistoryItem(new HistoryItem("Remove Gapped Columns",
-                                   viewport.alignment,
-                                   HistoryItem.HIDE));
-
-    viewport.getAlignment().removeGaps();
-    viewport.updateConservation();
-    viewport.updateConsensus();
-    alignPanel.repaint();
-  }
-
-  public void removeAllGapsMenuItem_actionPerformed(ActionEvent e)
-  {
-    addHistoryItem(new HistoryItem("Remove Gaps",
-                                   viewport.alignment,
-                                   HistoryItem.HIDE));
-    SequenceI current;
-    int jSize;
-    for (int i=0; i < viewport.getAlignment().getSequences().size();i++)
-    {
-      current = viewport.getAlignment().getSequenceAt(i);
-      jSize = current.getLength();
-      for (int j=0; j < jSize; j++)
-        if(jalview.util.Comparison.isGap(current.getCharAt(j)))
-        {
-          current.deleteCharAt(j);
-          j--;
-          jSize--;
-        }
-    }
-    viewport.updateConservation();
-    viewport.updateConsensus();
-    alignPanel.repaint();
-  }
-
-
-  public void padGapsMenuitem_actionPerformed(ActionEvent e)
-    {
-      addHistoryItem(new HistoryItem("Pad Gaps",
-                                     viewport.alignment,
-                                     HistoryItem.HIDE));
-      SequenceI current;
-      int Width = viewport.getAlignment().getWidth()-1;
-      for (int i=0; i < viewport.getAlignment().getSequences().size();i++)
-      {
-        current = viewport.getAlignment().getSequenceAt(i);
-
-        if (current.getLength()<Width)
-          current.insertCharAt(Width, viewport.getGapCharacter());
-      }
-      viewport.updateConservation();
-      viewport.updateConsensus();
-      alignPanel.repaint();
-  }
-
-
-  public void findMenuItem_actionPerformed(ActionEvent e)
-  {
-    JInternalFrame frame = new JInternalFrame();
-    Finder finder = new Finder(viewport, alignPanel, frame);
-    frame.setContentPane(finder);
-    Desktop.addInternalFrame(frame, "Find", 340,110);
-    frame.setLayer(JLayeredPane.PALETTE_LAYER);
-
-  }
-
-
-  public void font_actionPerformed(ActionEvent e)
-  {
-    FontChooser fc = new FontChooser( alignPanel );
-  }
-
-  protected void fullSeqId_actionPerformed(ActionEvent e)
-  {
-    viewport.setShowFullId( fullSeqId.isSelected() );
-
-    alignPanel.idPanel.idCanvas.setPreferredSize( alignPanel.calculateIdWidth() );
-    alignPanel.repaint();
-  }
-
-  protected void colourTextMenuItem_actionPerformed(ActionEvent e)
-  {
-      viewport.setColourText( colourTextMenuItem.isSelected() );
-      alignPanel.repaint();
-  }
-
-  protected void wrapMenuItem_actionPerformed(ActionEvent e)
-  {
-    viewport.setWrapAlignment( wrapMenuItem.isSelected() );
-    alignPanel.setWrapAlignment( wrapMenuItem.isSelected() );
-    scaleAbove.setVisible( wrapMenuItem.isSelected() );
-    scaleLeft.setVisible( wrapMenuItem.isSelected() );
-    scaleRight.setVisible( wrapMenuItem.isSelected() );
-    alignPanel.repaint();
-  }
-
-  protected void scaleAbove_actionPerformed(ActionEvent e)
-  {
-    viewport.setScaleAboveWrapped(scaleAbove.isSelected());
-    alignPanel.repaint();
-  }
-
-  protected void scaleLeft_actionPerformed(ActionEvent e)
-  {
-    viewport.setScaleLeftWrapped(scaleLeft.isSelected());
-    alignPanel.repaint();
-  }
-
-  protected void scaleRight_actionPerformed(ActionEvent e)
-  {
-    viewport.setScaleRightWrapped(scaleRight.isSelected());
-    alignPanel.repaint();
-  }
-
-
-
-  public void viewBoxesMenuItem_actionPerformed(ActionEvent e)
-  {
-    viewport.setShowBoxes( viewBoxesMenuItem.isSelected() );
-    alignPanel.repaint();
-  }
-
-  public void viewTextMenuItem_actionPerformed(ActionEvent e)
-  {
-    viewport.setShowText( viewTextMenuItem.isSelected() );
-    alignPanel.repaint();
-  }
-
-
-  protected void renderGapsMenuItem_actionPerformed(ActionEvent e)
-  {
-    viewport.setRenderGaps(renderGapsMenuItem.isSelected());
-    alignPanel.repaint();
-  }
-
-  public void sequenceFeatures_actionPerformed(ActionEvent evt)
-  {
-    viewport.showSequenceFeatures(sequenceFeatures.isSelected());
-    if(viewport.showSequenceFeatures && !((Alignment)viewport.alignment).featuresAdded)
-    {
-         SequenceFeatureFetcher sft = new SequenceFeatureFetcher(viewport.alignment, alignPanel);
-         ((Alignment)viewport.alignment).featuresAdded = true;
-    }
-    alignPanel.repaint();
-  }
-
-  public void annotationPanelMenuItem_actionPerformed(ActionEvent e)
-  {
-    if(annotationPanelMenuItem.isSelected() && viewport.getWrapAlignment())
-    {
-      annotationPanelMenuItem.setSelected(false);
-      return;
-    }
-    viewport.setShowAnnotation( annotationPanelMenuItem.isSelected() );
-    alignPanel.setAnnotationVisible( annotationPanelMenuItem.isSelected() );
-  }
-
-  public void overviewMenuItem_actionPerformed(ActionEvent e)
-  {
-    if (alignPanel.overviewPanel != null)
-      return;
-
-    JInternalFrame frame = new JInternalFrame();
-    OverviewPanel overview = new OverviewPanel(alignPanel);
-     frame.setContentPane(overview);
-    Desktop.addInternalFrame(frame, "Overview " + this.getTitle(),
-                             frame.getWidth(), frame.getHeight());
-    frame.pack();
-    frame.setLayer(JLayeredPane.PALETTE_LAYER);
-    frame.addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()
-    { public void internalFrameClosed(javax.swing.event.InternalFrameEvent evt)
-      {
-            alignPanel.setOverviewPanel(null);
-      };
-    });
-
-    alignPanel.setOverviewPanel( overview );
-
-
-  }
-
-  protected void noColourmenuItem_actionPerformed(ActionEvent e)
-  {
-    changeColour( null );
-  }
-
-
-  public void clustalColour_actionPerformed(ActionEvent e)
-  {
-    changeColour(new ClustalxColourScheme(viewport.alignment.getSequences(), viewport.alignment.getWidth()));
-  }
-
-  public void zappoColour_actionPerformed(ActionEvent e)
-  {
-    changeColour(new ZappoColourScheme());
-  }
-
-  public void taylorColour_actionPerformed(ActionEvent e)
-  {
-    changeColour(new TaylorColourScheme());
-  }
-
-
-  public void hydrophobicityColour_actionPerformed(ActionEvent e)
-  {
-    changeColour( new HydrophobicColourScheme() );
-  }
-
-  public void helixColour_actionPerformed(ActionEvent e)
-  {
-    changeColour(new HelixColourScheme() );
-  }
-
-
-  public void strandColour_actionPerformed(ActionEvent e)
-  {
-    changeColour(new StrandColourScheme());
-  }
-
-
-  public void turnColour_actionPerformed(ActionEvent e)
-  {
-    changeColour(new TurnColourScheme());
-  }
-
-
-  public void buriedColour_actionPerformed(ActionEvent e)
-  {
-    changeColour(new BuriedColourScheme() );
-  }
-
-  public void nucleotideColour_actionPerformed(ActionEvent e)
-  {
-    changeColour(new NucleotideColourScheme());
-  }
-
-
-  protected void applyToAllGroups_actionPerformed(ActionEvent e)
-  {
-    viewport.setColourAppliesToAllGroups(applyToAllGroups.isSelected());
-  }
-
-
-
-  void changeColour(ColourSchemeI cs)
-  {
-    int threshold = 0;
-
-    if ( viewport.getAbovePIDThreshold() )
-    {
-      threshold = SliderPanel.setPIDSliderSource(alignPanel, cs, "Background");
-
-      if (cs instanceof ResidueColourScheme)
-        ( (ResidueColourScheme) cs).setThreshold(threshold);
-      else if (cs instanceof ScoreColourScheme)
-        ( (ScoreColourScheme) cs).setThreshold(threshold);
-
-      viewport.setGlobalColourScheme(cs);
-    }
-    else if (cs instanceof ResidueColourScheme)
-      ( (ResidueColourScheme) cs).setThreshold(0);
-    else if (cs instanceof ScoreColourScheme)
-      ( (ScoreColourScheme) cs).setThreshold(0);
-
-
-
-    if (viewport.getConservationSelected())
-    {
-      ConservationColourScheme ccs = null;
-
-      Alignment al = (Alignment) viewport.alignment;
-      Conservation c = new Conservation("All",
-                                        ResidueProperties.propHash, 3,
-                                        al.getSequences(), 0,
-                                        al.getWidth() - 1);
-
-      c.calculate();
-      c.verdict(false, viewport.ConsPercGaps);
-
-      ccs = new ConservationColourScheme(c, cs);
-
-      // MUST NOTIFY THE COLOURSCHEME OF CONSENSUS!
-      ccs.setConsensus( viewport.vconsensus );
-      viewport.setGlobalColourScheme(ccs);
-
-      ccs.inc = SliderPanel.setConservationSlider(alignPanel, ccs, "Background");
-
-    }
-    else
-    {
-        // MUST NOTIFY THE COLOURSCHEME OF CONSENSUS!
-        if (cs != null)
-          cs.setConsensus(viewport.vconsensus);
-        viewport.setGlobalColourScheme(cs);
-    }
-
-
-    if(viewport.getColourAppliesToAllGroups())
-    {
-      Vector groups = viewport.alignment.getGroups();
-      for(int i=0; i<groups.size(); i++)
-      {
-        SequenceGroup sg = (SequenceGroup)groups.elementAt(i);
-
-        if(cs==null)
-          sg.cs = null;
-        else if (cs instanceof ClustalxColourScheme)
-          sg.cs = new ClustalxColourScheme(sg.sequences, sg.getWidth());
-        else if (cs instanceof UserColourScheme)
-          sg.cs = new UserColourScheme( ((UserColourScheme)cs).getColours());
-        else
-          try{
-            sg.cs = (ColourSchemeI) cs.getClass().newInstance();
-          }catch(Exception ex){}
-
-        if(viewport.getAbovePIDThreshold())
-        {
-          if (sg.cs instanceof ResidueColourScheme)
-            ( (ResidueColourScheme) sg.cs).setThreshold(threshold);
-          else if (sg.cs instanceof ScoreColourScheme)
-            ( (ScoreColourScheme) sg.cs).setThreshold(threshold);
-
-           sg.cs.setConsensus( AAFrequency.calculate(sg.sequences, 0, sg.getWidth()) );
-        }
-
-        if( viewport.getConservationSelected() )
-        {
-          Conservation c = new Conservation("Group",
-                                            ResidueProperties.propHash, 3,
-                                            sg.sequences, 0, viewport.alignment.getWidth()-1);
-          c.calculate();
-          c.verdict(false, viewport.ConsPercGaps);
-          ConservationColourScheme ccs = new ConservationColourScheme(c, sg.cs);
-
-          // MUST NOTIFY THE COLOURSCHEME OF CONSENSUS!
-          ccs.setConsensus( AAFrequency.calculate(sg.sequences, 0, sg.getWidth()));
-          sg.cs = ccs;
-        }
-        else if(cs!=null)
-        {
-          // MUST NOTIFY THE COLOURSCHEME OF CONSENSUS!
-          sg.cs.setConsensus(AAFrequency.calculate(sg.sequences, 0, sg.getWidth()));
-        }
-
-      }
-    }
-
-    if(alignPanel.getOverviewPanel()!=null)
-      alignPanel.getOverviewPanel().updateOverviewImage();
-    alignPanel.repaint();
-  }
-
-  protected void modifyPID_actionPerformed(ActionEvent e)
-  {
-      if(viewport.getAbovePIDThreshold())
-      {
-        SliderPanel.setPIDSliderSource(alignPanel, viewport.getGlobalColourScheme(),
-                                   "Background");
-        SliderPanel.showPIDSlider();
-      }
-  }
-
-  protected void modifyConservation_actionPerformed(ActionEvent e)
-  {
-    if(viewport.getConservationSelected())
-    {
-      SliderPanel.setConservationSlider(alignPanel, viewport.globalColourScheme,
-                                        "Background");
-      SliderPanel.showConservationSlider();
-    }
-  }
-
-
-  protected  void conservationMenuItem_actionPerformed(ActionEvent e)
-  {
-    viewport.setConservationSelected(conservationMenuItem.isSelected());
-
-    viewport.setAbovePIDThreshold(false);
-    abovePIDThreshold.setSelected(false);
-
-   ColourSchemeI cs = viewport.getGlobalColourScheme();
-   if(cs instanceof ConservationColourScheme )
-     changeColour( ((ConservationColourScheme)cs).cs );
-    else
-      changeColour( cs );
-
-    modifyConservation_actionPerformed(null);
-  }
-
-  public void abovePIDThreshold_actionPerformed(ActionEvent e)
-  {
-    viewport.setAbovePIDThreshold(abovePIDThreshold.isSelected());
-
-    conservationMenuItem.setSelected(false);
-    viewport.setConservationSelected(false);
-
-    ColourSchemeI cs = viewport.getGlobalColourScheme();
-
-    if(cs instanceof ConservationColourScheme )
-        changeColour( ((ConservationColourScheme)cs).cs );
-    else
-        changeColour( cs );
-
-    modifyPID_actionPerformed(null);
-  }
-
-
-
-  public void userDefinedColour_actionPerformed(ActionEvent e)
-  {
-    new UserDefinedColours( alignPanel, null);
-  }
-
-  public void PIDColour_actionPerformed(ActionEvent e)
-  {
-    changeColour( new PIDColourScheme() );
-  }
-
-
-  public void BLOSUM62Colour_actionPerformed(ActionEvent e)
-  {
-    changeColour(new Blosum62ColourScheme() );
-  }
-
-
-
-  public void sortPairwiseMenuItem_actionPerformed(ActionEvent e)
-  {
-    addHistoryItem(new HistoryItem("Pairwise Sort", viewport.alignment, HistoryItem.SORT));
-    AlignmentSorter.sortByPID(viewport.getAlignment(), viewport.getAlignment().getSequenceAt(0));
-    alignPanel.repaint();
-  }
-
-  public void sortIDMenuItem_actionPerformed(ActionEvent e)
-  {
-    addHistoryItem(new HistoryItem("ID Sort", viewport.alignment, HistoryItem.SORT));
-    AlignmentSorter.sortByID( viewport.getAlignment() );
-    alignPanel.repaint();
-  }
-
-  public void sortGroupMenuItem_actionPerformed(ActionEvent e)
-  {
-    addHistoryItem(new HistoryItem("Group Sort", viewport.alignment, HistoryItem.SORT));
-    AlignmentSorter.sortByGroup(viewport.getAlignment());
-    AlignmentSorter.sortGroups(viewport.getAlignment());
-    alignPanel.repaint();
-  }
-
-  public void removeRedundancyMenuItem_actionPerformed(ActionEvent e)
-  {
-    RedundancyPanel sp = new RedundancyPanel(alignPanel,this);
-    JInternalFrame frame = new JInternalFrame();
-    frame.setContentPane(sp);
-    Desktop.addInternalFrame(frame, "Redundancy threshold selection", 400, 100, false);
-
-  }
-
-  public void pairwiseAlignmentMenuItem_actionPerformed(ActionEvent e)
-  {
-    if((viewport.getSelectionGroup()==null) ||
-       viewport.getSelectionGroup().getSize()<2)
-      JOptionPane.showInternalMessageDialog(this, "You must select at least 2 sequences.", "Invalid Selection", JOptionPane.WARNING_MESSAGE);
-    else
-    {
-      JInternalFrame frame = new JInternalFrame();
-      frame.setContentPane(new PairwiseAlignPanel(viewport));
-      Desktop.addInternalFrame(frame, "Pairwise Alignment", 600, 500);
-    }
-  }
-
-  public void PCAMenuItem_actionPerformed(ActionEvent e)
-  {
-
-    if( (viewport.getSelectionGroup()!=null && viewport.getSelectionGroup().getSize()<4 && viewport.getSelectionGroup().getSize()>0)
-       || viewport.getAlignment().getHeight()<4)
-    {
-      JOptionPane.showInternalMessageDialog(this, "Principal component analysis must take\n"
-                                    +"at least 4 input sequences.",
-                                    "Sequence selection insufficient",
-                                    JOptionPane.WARNING_MESSAGE);
-      return;
-    }
-
-    try{
-      PCAPanel pcaPanel = new PCAPanel(viewport, null);
-      JInternalFrame frame = new JInternalFrame();
-      frame.setContentPane(pcaPanel);
-      Desktop.addInternalFrame(frame, "Principal component analysis", 400, 400);
-   }catch(java.lang.OutOfMemoryError ex)
-   {
-     JOptionPane.showInternalMessageDialog(this, "Too many sequences selected\nfor Principal Component Analysis!!",
-                                   "Out of memory", JOptionPane.WARNING_MESSAGE);
-   }
-
-
-  }
-
-  public void averageDistanceTreeMenuItem_actionPerformed(ActionEvent e)
-  {
-    NewTreePanel("AV", "PID", "Average distance tree using PID");
-  }
-
-  public void neighbourTreeMenuItem_actionPerformed(ActionEvent e)
-  {
-    NewTreePanel("NJ", "PID", "Neighbour joining tree using PID");
-  }
-
-
-  protected void njTreeBlosumMenuItem_actionPerformed(ActionEvent e)
-  {
-    NewTreePanel("NJ", "BL", "Neighbour joining tree using BLOSUM62");
-  }
-
-  protected void avTreeBlosumMenuItem_actionPerformed(ActionEvent e)
-  {
-    NewTreePanel("AV", "BL", "Average distance tree using BLOSUM62");
-  }
-
-  void NewTreePanel(String type, String pwType, String title)
-  {
-    //are the sequences aligned?
-    if(!viewport.alignment.isAligned())
-    {
-      JOptionPane.showMessageDialog(Desktop.desktop, "The sequences must be aligned before creating a tree.\n"
-                                   +"Try using the Pad function in the edit menu,\n"
-                                  +"or one of the multiple sequence alignment web services.",
-                                    "Sequences not aligned", JOptionPane.WARNING_MESSAGE);
-      return;
-    }
-
-    final TreePanel tp;
-    if (viewport.getSelectionGroup() != null &&
-        viewport.getSelectionGroup().getSize() > 3)
-    {
-      tp = new TreePanel(viewport, viewport.getSelectionGroup().sequences, type,
-                         pwType,
-                         0, viewport.alignment.getWidth());
-    }
-    else
-    {
-      tp = new TreePanel(viewport, viewport.getAlignment().getSequences(),
-                         type, pwType, 0, viewport.alignment.getWidth());
-    }
-
-   addTreeMenuItem(tp, title);
-
-   Desktop.addInternalFrame(tp, title, 600, 500);
-  }
-
-  public void addSortByOrderMenuItem(String title, final AlignmentOrder order) {
-    final JMenuItem item = new JMenuItem("by "+title);
-    sort.add(item);
-    item.addActionListener(new java.awt.event.ActionListener()
-    {
-      public void actionPerformed(ActionEvent e)
-      {
-        addHistoryItem(new HistoryItem("Sort", viewport.alignment,
-                                       HistoryItem.SORT));
-        // TODO: JBPNote - have to map order entries to curent SequenceI pointers
-        AlignmentSorter.sortBy(viewport.getAlignment(), order);
-        alignPanel.repaint();
-      }
-    });
-  }
-
-  void addTreeMenuItem(final TreePanel treePanel, String title)
-  {
-    final JMenuItem item = new JMenuItem(title);
-
-    treeCount++;
-
-    if (treeCount==1)
-      sort.add(sortByTreeMenu);
-
-    sortByTreeMenu.add(item);
-    item.addActionListener(new java.awt.event.ActionListener()
-    {
-      public void actionPerformed(ActionEvent e)
-      {
-        addHistoryItem(new HistoryItem("Tree Sort", viewport.alignment,
-                                       HistoryItem.SORT));
-        AlignmentSorter.sortByTree(viewport.getAlignment(), treePanel.getTree());
-        alignPanel.repaint();
-      }
-    });
-
-    treePanel.addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()
-    {
-      public void internalFrameClosed(javax.swing.event.InternalFrameEvent evt)
-      {
-        treeCount--;
-        sortByTreeMenu.remove(item);
-        if (treeCount==0)
-          sort.remove(sortByTreeMenu);
-      };
-    });
-    viewport.addPropertyChangeListener(new java.beans.PropertyChangeListener() {
-      public void propertyChange(PropertyChangeEvent evt)
-      {
-        if (evt.getPropertyName().equals("alignment")) {
-          treePanel.getTree().UpdatePlaceHolders( (Vector) evt.getNewValue());
-          treePanel.repaint();
-        }
-      }
-
-    }
-    );
-  }
-
-
-  public void clustalAlignMenuItem_actionPerformed(ActionEvent e)
-  {
-      // TODO:resolve which menu item was actually selected
-      // Now, check we have enough sequences
-        SequenceI[] msa=null;
-        if (viewport.getSelectionGroup() != null && viewport.getSelectionGroup().getSize()>1)
-        {
-          // JBPNote UGLY! To prettify, make SequenceGroup and Alignment conform to some common interface!
-          SequenceGroup seqs = viewport.getSelectionGroup();
-          int sz;
-          msa = new SequenceI[sz=seqs.getSize()];
-          for (int i = 0; i < sz; i++)
-          {
-            msa[i] = (SequenceI) seqs.getSequenceAt(i);
-          }
-
-          }
-        else
-        {
-          Vector seqs = viewport.getAlignment().getSequences();
-
-          if (seqs.size() > 1) {
-            msa = new SequenceI[seqs.size()];
-            for (int i = 0; i < seqs.size(); i++)
-            {
-              msa[i] = (SequenceI) seqs.elementAt(i);
-            }
-
-          }
-
-        }
-        if (msa!=null) {
-          jalview.ws.MsaWSClient ct = new jalview.ws.MsaWSClient("ClustalWS", title, msa, false, true);
-        }
-  }
-
-  protected void jpred_actionPerformed(ActionEvent e)
-{
-    SequenceI seq=null;
-    SequenceI[] msa=null;
-
-    if (viewport.getSelectionGroup() != null && viewport.getSelectionGroup().getSize()>0)
-    {
-      // JBPNote UGLY! To prettify, make SequenceGroup and Alignment conform to some common interface!
-      SequenceGroup seqs = viewport.getSelectionGroup();
-      if (seqs.getSize() == 1 || !viewport.alignment.isAligned())
-      {
-        seq = (SequenceI)seqs.getSequenceAt(0);
-      }
-      else
-      {
-        int sz;
-        msa = new SequenceI[sz=seqs.getSize()];
-        for (int i = 0; i < sz; i++)
-        {
-          msa[i] = (SequenceI) seqs.getSequenceAt(i);
-        }
-      }
-    }
-    else
-    {
-      Vector seqs = viewport.getAlignment().getSequences();
-
-      if (seqs.size() == 1 || !viewport.alignment.isAligned())
-      {
-        seq = (SequenceI) seqs.elementAt(0);
-      }
-      else
-      {
-        msa = new SequenceI[seqs.size()];
-        for (int i = 0; i < seqs.size(); i++)
-        {
-          msa[i] = (SequenceI) seqs.elementAt(i);
-        }
-      }
-    }
-    if (msa!=null) {
-      JPredClient ct = new JPredClient(title, msa);
-    } else
-    if (seq!=null) {
-      JPredClient ct = new JPredClient(title, seq);
-    } else {
-      System.err.print("JALVIEW ERROR! - Unexpected JPred selection state!\n");
-    }
-  }
-  protected void msaAlignMenuItem_actionPerformed(ActionEvent e)
-  {
-    // TODO:resolve which menu item was actually selected
-    // Now, check we have enough sequences
-    SequenceI[] msa=null;
-    if (viewport.getSelectionGroup() != null && viewport.getSelectionGroup().getSize()>1)
-      {
-        // JBPNote UGLY! To prettify, make SequenceGroup and Alignment conform to some common interface!
-        SequenceGroup seqs = viewport.getSelectionGroup();
-        int sz;
-        msa = new SequenceI[sz=seqs.getSize()];
-        for (int i = 0; i < sz; i++)
-        {
-          msa[i] = (SequenceI) seqs.getSequenceAt(i);
-        }
-
-
-      }
-      else
-      {
-        Vector seqs = viewport.getAlignment().getSequences();
-
-        if (seqs.size() > 1) {
-          msa = new SequenceI[seqs.size()];
-          for (int i = 0; i < seqs.size(); i++)
-          {
-            msa[i] = (SequenceI) seqs.elementAt(i);
-          }
-
-        }
-
-      }
-      if (msa!=null) {
-        MsaWSClient ct = new jalview.ws.MsaWSClient("MuscleWS",title, msa, false, true);
-      }
-  }
-    protected void LoadtreeMenuItem_actionPerformed(ActionEvent e) {
-    // Pick the tree file
-    JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.
-        getProperty("LAST_DIRECTORY"));
-    chooser.setFileView(new JalviewFileView());
-    chooser.setDialogTitle("Select a newick-like tree file");
-    chooser.setToolTipText("Load a tree file");
-    int value = chooser.showOpenDialog(null);
-    if (value == JalviewFileChooser.APPROVE_OPTION)
-    {
-      String choice = chooser.getSelectedFile().getPath();
-      jalview.bin.Cache.setProperty("LAST_DIRECTORY", choice);
-      try
-      {
-        jalview.io.NewickFile fin = new jalview.io.NewickFile(choice, "File");
-        ShowNewickTree(fin, choice);
-      }
-      catch (Exception ex)
-      {
-        JOptionPane.showMessageDialog(Desktop.desktop,
-                                      "Problem reading tree file",
-                                      ex.getMessage(),
-                                      JOptionPane.WARNING_MESSAGE);
-        ex.printStackTrace();
-      }
-    }
-  }
-
-  public void ShowNewickTree(NewickFile nf, String title)
-  {
-    try{
-      nf.parse();
-      if (nf.getTree() != null)
-      {
-        TreePanel tp = new TreePanel(viewport,
-                                     viewport.getAlignment().getSequences(),
-                                     nf, "FromFile", title);
-        Desktop.addInternalFrame(tp, title, 600, 500);
-        addTreeMenuItem(tp, title);
-        viewport.setCurrentTree(tp.getTree());
-      }
-     }catch(Exception ex){ex.printStackTrace();}
-  }
-
-}
+/*\r
+ * Jalview - A Sequence Alignment Editor and Viewer\r
+ * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
+ *\r
+ * This program is free software; you can redistribute it and/or\r
+ * modify it under the terms of the GNU General Public License\r
+ * as published by the Free Software Foundation; either version 2\r
+ * of the License, or (at your option) any later version.\r
+ *\r
+ * This program is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with this program; if not, write to the Free Software\r
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA\r
+ */\r
+package jalview.gui;\r
+\r
+import jalview.analysis.*;\r
+\r
+import jalview.datamodel.*;\r
+\r
+import jalview.io.*;\r
+\r
+import jalview.jbgui.*;\r
+\r
+import jalview.schemes.*;\r
+\r
+import jalview.ws.*;\r
+\r
+import java.awt.*;\r
+import java.awt.datatransfer.*;\r
+import java.awt.event.*;\r
+import java.awt.print.*;\r
+\r
+import java.io.*;\r
+\r
+import java.beans.*;\r
+\r
+import java.util.*;\r
+\r
+import javax.swing.*;\r
+import javax.swing.event.*;\r
+\r
+\r
+/**\r
+ * DOCUMENT ME!\r
+ *\r
+ * @author $author$\r
+ * @version $Revision$\r
+ */\r
+public class AlignFrame extends GAlignFrame\r
+{\r
+    /** DOCUMENT ME!! */\r
+    public static final int NEW_WINDOW_WIDTH = 700;\r
+\r
+    /** DOCUMENT ME!! */\r
+    public static final int NEW_WINDOW_HEIGHT = 500;\r
+    final AlignmentPanel alignPanel;\r
+    final AlignViewport viewport;\r
+\r
+    /** DOCUMENT ME!! */\r
+    public String currentFileFormat = null;\r
+    Stack historyList = new Stack();\r
+    Stack redoList = new Stack();\r
+    private int treeCount = 0;\r
+\r
+    /**\r
+     * Creates a new AlignFrame object.\r
+     *\r
+     * @param al DOCUMENT ME!\r
+     */\r
+    public AlignFrame(AlignmentI al)\r
+    {\r
+        viewport = new AlignViewport(al);\r
+\r
+        alignPanel = new AlignmentPanel(this, viewport);\r
+        alignPanel.annotationPanel.adjustPanelHeight();\r
+        alignPanel.annotationSpaceFillerHolder.setPreferredSize(alignPanel.annotationPanel.getPreferredSize());\r
+        alignPanel.annotationScroller.setPreferredSize(alignPanel.annotationPanel.getPreferredSize());\r
+        alignPanel.setAnnotationVisible(viewport.getShowAnnotation());\r
+\r
+        getContentPane().add(alignPanel, java.awt.BorderLayout.CENTER);\r
+\r
+        addInternalFrameListener(new InternalFrameAdapter()\r
+            {\r
+                public void internalFrameActivated(InternalFrameEvent evt)\r
+                {\r
+                    javax.swing.SwingUtilities.invokeLater(new Runnable()\r
+                        {\r
+                            public void run()\r
+                            {\r
+                                alignPanel.requestFocus();\r
+                            }\r
+                        });\r
+                }\r
+            });\r
+    }\r
+\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void parseGroupsFile(String file)\r
+    {\r
+      try{\r
+        BufferedReader in = new BufferedReader(new FileReader(file));\r
+        SequenceI seq=null;\r
+        String line, text, token;\r
+        UserColourScheme ucs;\r
+        int index, start, end;\r
+        StringTokenizer st;\r
+        SequenceGroup sg;\r
+        while( (line = in.readLine())!=null)\r
+        {\r
+          st = new StringTokenizer(line, "\t");\r
+          if(st.countTokens()!=6)\r
+          {\r
+            System.out.println("Groups file "+file+" is invalid. Read help file.");\r
+            System.exit(1);\r
+          }\r
+\r
+          while(st.hasMoreElements())\r
+          {\r
+            text = st.nextToken();\r
+            token = st.nextToken();\r
+            if(!token.equals("ID_NOT_SPECIFIED"))\r
+            {\r
+              index = viewport.alignment.findIndex(viewport.alignment.findName(\r
+                  token));\r
+              st.nextToken();\r
+            }\r
+            else\r
+              index = Integer.parseInt( st.nextToken() );\r
+\r
+            start=Integer.parseInt( st.nextToken() );\r
+            end = Integer.parseInt( st.nextToken() );\r
+            ucs = new UserColourScheme(st.nextToken());\r
+\r
+            seq = viewport.alignment.getSequenceAt(index);\r
+            start = seq.findIndex(start)-1;\r
+            end = seq.findIndex(end)-1;\r
+\r
+            sg = new SequenceGroup(text,ucs,true,true,false,start,end);\r
+            sg.addSequence( seq,true);\r
+\r
+            viewport.alignment.addGroup(sg);\r
+          }\r
+        }\r
+\r
+      }catch(Exception ex){System.out.println("Error parsing groups file: "+ex);}\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void saveAlignmentMenu_actionPerformed(ActionEvent e)\r
+    {\r
+        JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.getProperty(\r
+                    "LAST_DIRECTORY"),\r
+                new String[]\r
+                {\r
+                    "fa, fasta, fastq", "aln", "pfam", "msf", "pir", "blc",\r
+                    "jar"\r
+                },\r
+                new String[]\r
+                {\r
+                    "Fasta", "Clustal", "PFAM", "MSF", "PIR", "BLC", "Jalview"\r
+                }, currentFileFormat);\r
+\r
+        chooser.setAcceptAllFileFilterUsed(false);\r
+        chooser.setFileView(new JalviewFileView());\r
+        chooser.setDialogTitle("Save Alignment to file");\r
+        chooser.setToolTipText("Save");\r
+\r
+        int value = chooser.showSaveDialog(this);\r
+\r
+        if (value == JalviewFileChooser.APPROVE_OPTION)\r
+        {\r
+            currentFileFormat = chooser.getSelectedFormat();\r
+            jalview.bin.Cache.setProperty("DEFAULT_FILE_FORMAT",\r
+                currentFileFormat);\r
+\r
+            String choice = chooser.getSelectedFile().getPath();\r
+            jalview.bin.Cache.setProperty("LAST_DIRECTORY", choice);\r
+\r
+            saveAlignment(choice, currentFileFormat);\r
+        }\r
+    }\r
+\r
+    public boolean saveAlignment(String file, String format)\r
+    {\r
+      if (format.equalsIgnoreCase("Jalview"))\r
+      {\r
+        String shortName = title;\r
+\r
+        if (shortName.indexOf(java.io.File.separatorChar) > -1)\r
+        {\r
+          shortName = shortName.substring(shortName.lastIndexOf(\r
+              java.io.File.separatorChar) + 1);\r
+        }\r
+\r
+        Jalview2XML.SaveAlignment(this, file, shortName);\r
+\r
+        // USE Jalview2XML to save this file\r
+        return true;\r
+      }\r
+      else\r
+      {\r
+        String output = FormatAdapter.formatSequences(format,\r
+            viewport.getAlignment().\r
+            getSequences());\r
+        if(output==null)\r
+          return false;\r
+\r
+        try\r
+        {\r
+          java.io.PrintWriter out = new java.io.PrintWriter(\r
+              new java.io.FileWriter(file));\r
+          out.println(output);\r
+          out.close();\r
+          return true;\r
+        }\r
+        catch (Exception ex)\r
+        {\r
+          ex.printStackTrace();\r
+        }\r
+      }\r
+      return false;\r
+    }\r
+\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void outputText_actionPerformed(ActionEvent e)\r
+    {\r
+        CutAndPasteTransfer cap = new CutAndPasteTransfer();\r
+        Desktop.addInternalFrame(cap,\r
+            "Alignment output - " + e.getActionCommand(), 600, 500);\r
+        cap.setText(FormatAdapter.formatSequences(e.getActionCommand(),\r
+                viewport.getAlignment().getSequences()));\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void htmlMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        new HTMLOutput(viewport);\r
+    }\r
+\r
+    public void createImageMap(File file, String image)\r
+    {\r
+      alignPanel.makePNGImageMap(file, image);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void createPNG(File f)\r
+    {\r
+        alignPanel.makePNG(f);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void createEPS(File f)\r
+    {\r
+        alignPanel.makeEPS(f);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void printMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        //Putting in a thread avoids Swing painting problems\r
+        PrintThread thread = new PrintThread();\r
+        thread.start();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void closeMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        try\r
+        {\r
+            this.setClosed(true);\r
+        }\r
+        catch (Exception ex)\r
+        {\r
+        }\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     */\r
+    void updateEditMenuBar()\r
+    {\r
+        if (historyList.size() > 0)\r
+        {\r
+            undoMenuItem.setEnabled(true);\r
+\r
+            HistoryItem hi = (HistoryItem) historyList.peek();\r
+            undoMenuItem.setText("Undo " + hi.getDescription());\r
+        }\r
+        else\r
+        {\r
+            undoMenuItem.setEnabled(false);\r
+            undoMenuItem.setText("Undo");\r
+        }\r
+\r
+        if (redoList.size() > 0)\r
+        {\r
+            redoMenuItem.setEnabled(true);\r
+\r
+            HistoryItem hi = (HistoryItem) redoList.peek();\r
+            redoMenuItem.setText("Redo " + hi.getDescription());\r
+        }\r
+        else\r
+        {\r
+            redoMenuItem.setEnabled(false);\r
+            redoMenuItem.setText("Redo");\r
+        }\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param hi DOCUMENT ME!\r
+     */\r
+    public void addHistoryItem(HistoryItem hi)\r
+    {\r
+        historyList.push(hi);\r
+        updateEditMenuBar();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void undoMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        HistoryItem hi = (HistoryItem) historyList.pop();\r
+        redoList.push(new HistoryItem(hi.getDescription(), viewport.alignment,\r
+                HistoryItem.HIDE));\r
+        restoreHistoryItem(hi);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void redoMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        HistoryItem hi = (HistoryItem) redoList.pop();\r
+        restoreHistoryItem(hi);\r
+        updateEditMenuBar();\r
+        viewport.updateConsensus();\r
+        alignPanel.repaint();\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    // used by undo and redo\r
+    void restoreHistoryItem(HistoryItem hi)\r
+    {\r
+        if (hi.getType() == HistoryItem.SORT)\r
+        {\r
+            for (int i = 0; i < hi.getSequences().size(); i++)\r
+            {\r
+                viewport.alignment.getSequences().setElementAt(hi.getSequences()\r
+                                                                 .elementAt(i),\r
+                    i);\r
+            }\r
+        }\r
+        else\r
+        {\r
+            for (int i = 0; i < hi.getSequences().size(); i++)\r
+            {\r
+                SequenceI restore = (SequenceI) hi.getSequences().elementAt(i);\r
+\r
+                if (restore.getLength() == 0)\r
+                {\r
+                    restore.setSequence(hi.getHidden().elementAt(i).toString());\r
+                    viewport.alignment.getSequences().insertElementAt(restore,\r
+                        hi.getAlignIndex(i));\r
+                }\r
+                else\r
+                {\r
+                    restore.setSequence(hi.getHidden().elementAt(i).toString());\r
+                }\r
+            }\r
+\r
+            if (hi.getType() == HistoryItem.PASTE)\r
+            {\r
+                for (int i = viewport.alignment.getHeight() - 1;\r
+                        i > (hi.getSequences().size() - 1); i--)\r
+                {\r
+                    viewport.alignment.deleteSequence(i);\r
+                }\r
+            }\r
+        }\r
+\r
+        updateEditMenuBar();\r
+\r
+        viewport.updateConsensus();\r
+        viewport.updateConservation();\r
+        alignPanel.repaint();\r
+        viewport.firePropertyChange("alignment", null,\r
+            viewport.getAlignment().getSequences());\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param up DOCUMENT ME!\r
+     */\r
+    public void moveSelectedSequences(boolean up)\r
+    {\r
+        SequenceGroup sg = viewport.getSelectionGroup();\r
+\r
+        if (sg == null)\r
+        {\r
+            return;\r
+        }\r
+\r
+        if (up)\r
+        {\r
+            for (int i = 1; i < viewport.alignment.getHeight(); i++)\r
+            {\r
+                SequenceI seq = viewport.alignment.getSequenceAt(i);\r
+\r
+                if (!sg.sequences.contains(seq))\r
+                {\r
+                    continue;\r
+                }\r
+\r
+                SequenceI temp = viewport.alignment.getSequenceAt(i - 1);\r
+\r
+                if (sg.sequences.contains(temp))\r
+                {\r
+                    continue;\r
+                }\r
+\r
+                viewport.alignment.getSequences().setElementAt(temp, i);\r
+                viewport.alignment.getSequences().setElementAt(seq, i - 1);\r
+            }\r
+        }\r
+        else\r
+        {\r
+            for (int i = viewport.alignment.getHeight() - 2; i > -1; i--)\r
+            {\r
+                SequenceI seq = viewport.alignment.getSequenceAt(i);\r
+\r
+                if (!sg.sequences.contains(seq))\r
+                {\r
+                    continue;\r
+                }\r
+\r
+                SequenceI temp = viewport.alignment.getSequenceAt(i + 1);\r
+\r
+                if (sg.sequences.contains(temp))\r
+                {\r
+                    continue;\r
+                }\r
+\r
+                viewport.alignment.getSequences().setElementAt(temp, i);\r
+                viewport.alignment.getSequences().setElementAt(seq, i + 1);\r
+            }\r
+        }\r
+\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void copy_actionPerformed(ActionEvent e)\r
+    {\r
+        if (viewport.getSelectionGroup() == null)\r
+        {\r
+            return;\r
+        }\r
+\r
+        SequenceGroup sg = viewport.getSelectionGroup();\r
+\r
+        Clipboard c = Toolkit.getDefaultToolkit().getSystemClipboard();\r
+        StringBuffer buffer = new StringBuffer();\r
+\r
+        Hashtable orderedSeqs = new Hashtable();\r
+\r
+        for (int i = 0; i < sg.getSize(); i++)\r
+        {\r
+            SequenceI seq = sg.getSequenceAt(i);\r
+            int index = viewport.alignment.findIndex(seq);\r
+            orderedSeqs.put(index + "", seq);\r
+        }\r
+\r
+        int index = 0;\r
+\r
+        for (int i = 0; i < sg.getSize(); i++)\r
+        {\r
+            SequenceI seq = null;\r
+\r
+            while (seq == null)\r
+            {\r
+                if (orderedSeqs.containsKey(index + ""))\r
+                {\r
+                    seq = (SequenceI) orderedSeqs.get(index + "");\r
+                    index++;\r
+\r
+                    break;\r
+                }\r
+                else\r
+                {\r
+                    index++;\r
+                }\r
+            }\r
+\r
+            buffer.append(seq.getName() + "\t" +\r
+                seq.findPosition(sg.getStartRes()) + "\t" +\r
+                seq.findPosition(sg.getEndRes()) + "\t" +\r
+                sg.getSequenceAt(i).getSequence(sg.getStartRes(),\r
+                    sg.getEndRes() + 1) + "\n");\r
+        }\r
+\r
+        c.setContents(new StringSelection(buffer.toString()), null);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void pasteNew_actionPerformed(ActionEvent e)\r
+    {\r
+        paste(true);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void pasteThis_actionPerformed(ActionEvent e)\r
+    {\r
+        addHistoryItem(new HistoryItem("Paste Sequences", viewport.alignment,\r
+                HistoryItem.PASTE));\r
+        paste(false);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param newAlignment DOCUMENT ME!\r
+     */\r
+    void paste(boolean newAlignment)\r
+    {\r
+        try\r
+        {\r
+            Clipboard c = Toolkit.getDefaultToolkit().getSystemClipboard();\r
+            Transferable contents = c.getContents(this);\r
+\r
+            if (contents == null)\r
+            {\r
+                return;\r
+            }\r
+\r
+            String str = (String) contents.getTransferData(DataFlavor.stringFlavor);\r
+            StringTokenizer st = new StringTokenizer(str);\r
+            ArrayList seqs = new ArrayList();\r
+\r
+            while (st.hasMoreElements())\r
+            {\r
+                String name = st.nextToken();\r
+                int start = Integer.parseInt(st.nextToken());\r
+                int end = Integer.parseInt(st.nextToken());\r
+                Sequence sequence = new Sequence(name, st.nextToken(), start,\r
+                        end);\r
+\r
+                if (!newAlignment)\r
+                {\r
+                    viewport.alignment.addSequence(sequence);\r
+                }\r
+                else\r
+                {\r
+                    seqs.add(sequence);\r
+                }\r
+            }\r
+\r
+            if (newAlignment)\r
+            {\r
+                SequenceI[] newSeqs = new SequenceI[seqs.size()];\r
+                seqs.toArray(newSeqs);\r
+\r
+                AlignFrame af = new AlignFrame(new Alignment(newSeqs));\r
+                String newtitle = new String("Copied sequences");\r
+\r
+                if (title.startsWith("Copied sequences"))\r
+                {\r
+                    newtitle = title;\r
+                }\r
+                else\r
+                {\r
+                    newtitle = newtitle.concat("- from " + title);\r
+                }\r
+\r
+                Desktop.addInternalFrame(af, newtitle, NEW_WINDOW_WIDTH,\r
+                    NEW_WINDOW_HEIGHT);\r
+            }\r
+            else\r
+            {\r
+                viewport.firePropertyChange("alignment", null,\r
+                    viewport.getAlignment().getSequences());\r
+                viewport.setEndSeq(viewport.alignment.getHeight());\r
+                viewport.alignment.getWidth();\r
+                viewport.updateConservation();\r
+                viewport.updateConsensus();\r
+                alignPanel.repaint();\r
+            }\r
+        }\r
+        catch (Exception ex)\r
+        {\r
+        }\r
+\r
+        // could be anything being pasted in here\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void cut_actionPerformed(ActionEvent e)\r
+    {\r
+        copy_actionPerformed(null);\r
+        delete_actionPerformed(null);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void delete_actionPerformed(ActionEvent e)\r
+    {\r
+        boolean seqsdeleted = false;\r
+\r
+        if (viewport.getSelectionGroup() == null)\r
+        {\r
+            return;\r
+        }\r
+\r
+        addHistoryItem(new HistoryItem("Delete Sequences", viewport.alignment,\r
+                HistoryItem.HIDE));\r
+\r
+        SequenceGroup sg = viewport.getSelectionGroup();\r
+\r
+        for (int i = 0; i < sg.sequences.size(); i++)\r
+        {\r
+            SequenceI seq = sg.getSequenceAt(i);\r
+            int index = viewport.getAlignment().findIndex(seq);\r
+            seq.deleteChars(sg.getStartRes(), sg.getEndRes() + 1);\r
+\r
+            if (seq.getSequence().length() < 1)\r
+            {\r
+                seqsdeleted = true;\r
+                viewport.getAlignment().deleteSequence(seq);\r
+            }\r
+            else\r
+            {\r
+                viewport.getAlignment().getSequences().setElementAt(seq, index);\r
+            }\r
+        }\r
+\r
+        viewport.setSelectionGroup(null);\r
+        viewport.alignment.deleteGroup(sg);\r
+\r
+        if (seqsdeleted)\r
+        {\r
+            viewport.firePropertyChange("alignment", null,\r
+                viewport.getAlignment().getSequences());\r
+        }\r
+\r
+        viewport.resetSeqLimits(alignPanel.seqPanel.seqCanvas.getHeight());\r
+\r
+        if (viewport.getAlignment().getHeight() < 1)\r
+        {\r
+            try\r
+            {\r
+                this.setClosed(true);\r
+            }\r
+            catch (Exception ex)\r
+            {\r
+            }\r
+        }\r
+\r
+        viewport.updateConservation();\r
+        viewport.updateConsensus();\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void deleteGroups_actionPerformed(ActionEvent e)\r
+    {\r
+        viewport.alignment.deleteAllGroups();\r
+        viewport.setSelectionGroup(null);\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void selectAllSequenceMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        SequenceGroup sg = new SequenceGroup();\r
+\r
+        for (int i = 0; i < viewport.getAlignment().getSequences().size();\r
+                i++)\r
+        {\r
+            sg.addSequence(viewport.getAlignment().getSequenceAt(i), false);\r
+        }\r
+\r
+        sg.setEndRes(viewport.alignment.getWidth());\r
+        viewport.setSelectionGroup(sg);\r
+        PaintRefresher.Refresh(null, viewport.alignment);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void deselectAllSequenceMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        viewport.setSelectionGroup(null);\r
+        viewport.getColumnSelection().clear();\r
+        viewport.setSelectionGroup(null);\r
+        alignPanel.annotationPanel.activeRes = null;\r
+        PaintRefresher.Refresh(null, viewport.alignment);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void invertSequenceMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        SequenceGroup sg = viewport.getSelectionGroup();\r
+\r
+        if (sg == null)\r
+        {\r
+            selectAllSequenceMenuItem_actionPerformed(null);\r
+\r
+            return;\r
+        }\r
+\r
+        for (int i = 0; i < viewport.getAlignment().getSequences().size();\r
+                i++)\r
+        {\r
+            sg.addOrRemove(viewport.getAlignment().getSequenceAt(i), false);\r
+        }\r
+\r
+        PaintRefresher.Refresh(null, viewport.alignment);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void remove2LeftMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        ColumnSelection colSel = viewport.getColumnSelection();\r
+\r
+        if (colSel.size() > 0)\r
+        {\r
+            addHistoryItem(new HistoryItem("Remove Left", viewport.alignment,\r
+                    HistoryItem.HIDE));\r
+\r
+            int min = colSel.getMin();\r
+            viewport.getAlignment().trimLeft(min);\r
+            colSel.compensateForEdit(0, min);\r
+\r
+            if (viewport.getSelectionGroup() != null)\r
+            {\r
+                viewport.getSelectionGroup().adjustForRemoveLeft(min);\r
+            }\r
+\r
+            Vector groups = viewport.alignment.getGroups();\r
+\r
+            for (int i = 0; i < groups.size(); i++)\r
+            {\r
+                SequenceGroup sg = (SequenceGroup) groups.get(i);\r
+\r
+                if (!sg.adjustForRemoveLeft(min))\r
+                {\r
+                    viewport.alignment.deleteGroup(sg);\r
+                }\r
+            }\r
+\r
+            alignPanel.repaint();\r
+        }\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void remove2RightMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        ColumnSelection colSel = viewport.getColumnSelection();\r
+\r
+        if (colSel.size() > 0)\r
+        {\r
+            addHistoryItem(new HistoryItem("Remove Right", viewport.alignment,\r
+                    HistoryItem.HIDE));\r
+\r
+            int max = colSel.getMax();\r
+            viewport.getAlignment().trimRight(max);\r
+\r
+            if (viewport.getSelectionGroup() != null)\r
+            {\r
+                viewport.getSelectionGroup().adjustForRemoveRight(max);\r
+            }\r
+\r
+            Vector groups = viewport.alignment.getGroups();\r
+\r
+            for (int i = 0; i < groups.size(); i++)\r
+            {\r
+                SequenceGroup sg = (SequenceGroup) groups.get(i);\r
+\r
+                if (!sg.adjustForRemoveRight(max))\r
+                {\r
+                    viewport.alignment.deleteGroup(sg);\r
+                }\r
+            }\r
+\r
+            alignPanel.repaint();\r
+        }\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void removeGappedColumnMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        addHistoryItem(new HistoryItem("Remove Gapped Columns",\r
+                viewport.alignment, HistoryItem.HIDE));\r
+\r
+        viewport.getAlignment().removeGaps();\r
+        viewport.updateConservation();\r
+        viewport.updateConsensus();\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void removeAllGapsMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        addHistoryItem(new HistoryItem("Remove Gaps", viewport.alignment,\r
+                HistoryItem.HIDE));\r
+\r
+        SequenceI current;\r
+        int jSize;\r
+\r
+        Vector seqs = null;\r
+\r
+        int start = 0;\r
+        int end = viewport.alignment.getWidth();\r
+\r
+        if (viewport.getSelectionGroup() != null)\r
+        {\r
+            seqs = viewport.getSelectionGroup().sequences;\r
+            start = viewport.getSelectionGroup().getStartRes();\r
+            end = viewport.getSelectionGroup().getEndRes();\r
+        }\r
+        else\r
+        {\r
+            seqs = viewport.alignment.getSequences();\r
+        }\r
+\r
+        for (int i = 0; i < seqs.size(); i++)\r
+        {\r
+            current = (SequenceI) seqs.elementAt(i);\r
+            jSize = current.getLength();\r
+\r
+            int j = start;\r
+\r
+            do\r
+            {\r
+                if (jalview.util.Comparison.isGap(current.getCharAt(j)))\r
+                {\r
+                    current.deleteCharAt(j);\r
+                    j--;\r
+                    jSize--;\r
+                }\r
+\r
+                j++;\r
+            }\r
+            while (j < end);\r
+        }\r
+\r
+        viewport.updateConservation();\r
+        viewport.updateConsensus();\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void padGapsMenuitem_actionPerformed(ActionEvent e)\r
+    {\r
+        addHistoryItem(new HistoryItem("Pad Gaps", viewport.alignment,\r
+                HistoryItem.HIDE));\r
+\r
+        SequenceI current;\r
+        int Width = viewport.getAlignment().getWidth();\r
+\r
+        for (int i = 0; i < viewport.getAlignment().getSequences().size();\r
+                i++)\r
+        {\r
+            current = viewport.getAlignment().getSequenceAt(i);\r
+\r
+            if (current.getLength() < Width)\r
+            {\r
+                current.insertCharAt(Width - 1, viewport.getGapCharacter());\r
+            }\r
+        }\r
+\r
+        viewport.updateConservation();\r
+        viewport.updateConsensus();\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void findMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        JInternalFrame frame = new JInternalFrame();\r
+        Finder finder = new Finder(viewport, alignPanel, frame);\r
+        frame.setContentPane(finder);\r
+        Desktop.addInternalFrame(frame, "Find", 340, 110);\r
+        frame.setLayer(JLayeredPane.PALETTE_LAYER);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void font_actionPerformed(ActionEvent e)\r
+    {\r
+        FontChooser fc = new FontChooser(alignPanel);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void fullSeqId_actionPerformed(ActionEvent e)\r
+    {\r
+        viewport.setShowFullId(fullSeqId.isSelected());\r
+\r
+        alignPanel.idPanel.idCanvas.setPreferredSize(alignPanel.calculateIdWidth());\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void colourTextMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        viewport.setColourText(colourTextMenuItem.isSelected());\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void wrapMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        viewport.setWrapAlignment(wrapMenuItem.isSelected());\r
+        alignPanel.setWrapAlignment(wrapMenuItem.isSelected());\r
+        scaleAbove.setVisible(wrapMenuItem.isSelected());\r
+        scaleLeft.setVisible(wrapMenuItem.isSelected());\r
+        scaleRight.setVisible(wrapMenuItem.isSelected());\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void scaleAbove_actionPerformed(ActionEvent e)\r
+    {\r
+        viewport.setScaleAboveWrapped(scaleAbove.isSelected());\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void scaleLeft_actionPerformed(ActionEvent e)\r
+    {\r
+        viewport.setScaleLeftWrapped(scaleLeft.isSelected());\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void scaleRight_actionPerformed(ActionEvent e)\r
+    {\r
+        viewport.setScaleRightWrapped(scaleRight.isSelected());\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void viewBoxesMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        viewport.setShowBoxes(viewBoxesMenuItem.isSelected());\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void viewTextMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        viewport.setShowText(viewTextMenuItem.isSelected());\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void renderGapsMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        viewport.setRenderGaps(renderGapsMenuItem.isSelected());\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param evt DOCUMENT ME!\r
+     */\r
+    public void sequenceFeatures_actionPerformed(ActionEvent evt)\r
+    {\r
+        viewport.showSequenceFeatures(sequenceFeatures.isSelected());\r
+\r
+        if (viewport.showSequenceFeatures &&\r
+                !((Alignment) viewport.alignment).featuresAdded)\r
+        {\r
+            SequenceFeatureFetcher sft = new SequenceFeatureFetcher(viewport.alignment,\r
+                    alignPanel);\r
+            ((Alignment) viewport.alignment).featuresAdded = true;\r
+        }\r
+\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void annotationPanelMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        if (annotationPanelMenuItem.isSelected() &&\r
+                viewport.getWrapAlignment())\r
+        {\r
+            annotationPanelMenuItem.setSelected(false);\r
+\r
+            return;\r
+        }\r
+\r
+        viewport.setShowAnnotation(annotationPanelMenuItem.isSelected());\r
+        alignPanel.setAnnotationVisible(annotationPanelMenuItem.isSelected());\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void overviewMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        if (alignPanel.overviewPanel != null)\r
+        {\r
+            return;\r
+        }\r
+\r
+        JInternalFrame frame = new JInternalFrame();\r
+        OverviewPanel overview = new OverviewPanel(alignPanel);\r
+        frame.setContentPane(overview);\r
+        Desktop.addInternalFrame(frame, "Overview " + this.getTitle(),\r
+            frame.getWidth(), frame.getHeight());\r
+        frame.pack();\r
+        frame.setLayer(JLayeredPane.PALETTE_LAYER);\r
+        frame.addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()\r
+            {\r
+                public void internalFrameClosed(\r
+                    javax.swing.event.InternalFrameEvent evt)\r
+                {\r
+                    alignPanel.setOverviewPanel(null);\r
+                }\r
+                ;\r
+            });\r
+\r
+        alignPanel.setOverviewPanel(overview);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void noColourmenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        changeColour(null);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void clustalColour_actionPerformed(ActionEvent e)\r
+    {\r
+        changeColour(new ClustalxColourScheme(\r
+                viewport.alignment.getSequences(), viewport.alignment.getWidth()));\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void zappoColour_actionPerformed(ActionEvent e)\r
+    {\r
+        changeColour(new ZappoColourScheme());\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void taylorColour_actionPerformed(ActionEvent e)\r
+    {\r
+        changeColour(new TaylorColourScheme());\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void hydrophobicityColour_actionPerformed(ActionEvent e)\r
+    {\r
+        changeColour(new HydrophobicColourScheme());\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void helixColour_actionPerformed(ActionEvent e)\r
+    {\r
+        changeColour(new HelixColourScheme());\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void strandColour_actionPerformed(ActionEvent e)\r
+    {\r
+        changeColour(new StrandColourScheme());\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void turnColour_actionPerformed(ActionEvent e)\r
+    {\r
+        changeColour(new TurnColourScheme());\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void buriedColour_actionPerformed(ActionEvent e)\r
+    {\r
+        changeColour(new BuriedColourScheme());\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void nucleotideColour_actionPerformed(ActionEvent e)\r
+    {\r
+        changeColour(new NucleotideColourScheme());\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void applyToAllGroups_actionPerformed(ActionEvent e)\r
+    {\r
+        viewport.setColourAppliesToAllGroups(applyToAllGroups.isSelected());\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param cs DOCUMENT ME!\r
+     */\r
+    void changeColour(ColourSchemeI cs)\r
+    {\r
+        int threshold = 0;\r
+\r
+        if (viewport.getAbovePIDThreshold())\r
+        {\r
+            threshold = SliderPanel.setPIDSliderSource(alignPanel, cs,\r
+                    "Background");\r
+\r
+            if (cs instanceof ResidueColourScheme)\r
+            {\r
+                ((ResidueColourScheme) cs).setThreshold(threshold);\r
+            }\r
+            else if (cs instanceof ScoreColourScheme)\r
+            {\r
+                ((ScoreColourScheme) cs).setThreshold(threshold);\r
+            }\r
+\r
+            viewport.setGlobalColourScheme(cs);\r
+        }\r
+        else if (cs instanceof ResidueColourScheme)\r
+        {\r
+            ((ResidueColourScheme) cs).setThreshold(0);\r
+        }\r
+        else if (cs instanceof ScoreColourScheme)\r
+        {\r
+            ((ScoreColourScheme) cs).setThreshold(0);\r
+        }\r
+\r
+        if (viewport.getConservationSelected())\r
+        {\r
+            ConservationColourScheme ccs = null;\r
+\r
+            Alignment al = (Alignment) viewport.alignment;\r
+            Conservation c = new Conservation("All",\r
+                    ResidueProperties.propHash, 3, al.getSequences(), 0,\r
+                    al.getWidth() - 1);\r
+\r
+            c.calculate();\r
+            c.verdict(false, viewport.ConsPercGaps);\r
+\r
+            ccs = new ConservationColourScheme(c, cs);\r
+\r
+            // MUST NOTIFY THE COLOURSCHEME OF CONSENSUS!\r
+            ccs.setConsensus(viewport.vconsensus);\r
+            viewport.setGlobalColourScheme(ccs);\r
+\r
+            ccs.inc = SliderPanel.setConservationSlider(alignPanel, ccs,\r
+                    "Background");\r
+        }\r
+        else\r
+        {\r
+            // MUST NOTIFY THE COLOURSCHEME OF CONSENSUS!\r
+            if (cs != null)\r
+            {\r
+                cs.setConsensus(viewport.vconsensus);\r
+            }\r
+\r
+            viewport.setGlobalColourScheme(cs);\r
+        }\r
+\r
+        if (viewport.getColourAppliesToAllGroups())\r
+        {\r
+            Vector groups = viewport.alignment.getGroups();\r
+\r
+            for (int i = 0; i < groups.size(); i++)\r
+            {\r
+                SequenceGroup sg = (SequenceGroup) groups.elementAt(i);\r
+\r
+                if (cs == null)\r
+                {\r
+                    sg.cs = null;\r
+                }\r
+                else if (cs instanceof ClustalxColourScheme)\r
+                {\r
+                    sg.cs = new ClustalxColourScheme(sg.sequences, sg.getWidth());\r
+                }\r
+                else if (cs instanceof UserColourScheme)\r
+                {\r
+                    sg.cs = new UserColourScheme(((UserColourScheme) cs).getColours());\r
+                }\r
+                else\r
+                {\r
+                    try\r
+                    {\r
+                        sg.cs = (ColourSchemeI) cs.getClass().newInstance();\r
+                    }\r
+                    catch (Exception ex)\r
+                    {\r
+                    }\r
+                }\r
+\r
+                if (viewport.getAbovePIDThreshold())\r
+                {\r
+                    if (sg.cs instanceof ResidueColourScheme)\r
+                    {\r
+                        ((ResidueColourScheme) sg.cs).setThreshold(threshold);\r
+                    }\r
+                    else if (sg.cs instanceof ScoreColourScheme)\r
+                    {\r
+                        ((ScoreColourScheme) sg.cs).setThreshold(threshold);\r
+                    }\r
+\r
+                    sg.cs.setConsensus(AAFrequency.calculate(sg.sequences, 0,\r
+                            sg.getWidth()));\r
+                }\r
+\r
+                if (viewport.getConservationSelected())\r
+                {\r
+                    Conservation c = new Conservation("Group",\r
+                            ResidueProperties.propHash, 3, sg.sequences, 0,\r
+                            viewport.alignment.getWidth() - 1);\r
+                    c.calculate();\r
+                    c.verdict(false, viewport.ConsPercGaps);\r
+\r
+                    ConservationColourScheme ccs = new ConservationColourScheme(c,\r
+                            sg.cs);\r
+\r
+                    // MUST NOTIFY THE COLOURSCHEME OF CONSENSUS!\r
+                    ccs.setConsensus(AAFrequency.calculate(sg.sequences, 0,\r
+                            sg.getWidth()));\r
+                    sg.cs = ccs;\r
+                }\r
+                else if (cs != null)\r
+                {\r
+                    // MUST NOTIFY THE COLOURSCHEME OF CONSENSUS!\r
+                    sg.cs.setConsensus(AAFrequency.calculate(sg.sequences, 0,\r
+                            sg.getWidth()));\r
+                }\r
+            }\r
+        }\r
+\r
+        if (alignPanel.getOverviewPanel() != null)\r
+        {\r
+            alignPanel.getOverviewPanel().updateOverviewImage();\r
+        }\r
+\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void modifyPID_actionPerformed(ActionEvent e)\r
+    {\r
+        if (viewport.getAbovePIDThreshold())\r
+        {\r
+            SliderPanel.setPIDSliderSource(alignPanel,\r
+                viewport.getGlobalColourScheme(), "Background");\r
+            SliderPanel.showPIDSlider();\r
+        }\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void modifyConservation_actionPerformed(ActionEvent e)\r
+    {\r
+        if (viewport.getConservationSelected())\r
+        {\r
+            SliderPanel.setConservationSlider(alignPanel,\r
+                viewport.globalColourScheme, "Background");\r
+            SliderPanel.showConservationSlider();\r
+        }\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void conservationMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        viewport.setConservationSelected(conservationMenuItem.isSelected());\r
+\r
+        viewport.setAbovePIDThreshold(false);\r
+        abovePIDThreshold.setSelected(false);\r
+\r
+        ColourSchemeI cs = viewport.getGlobalColourScheme();\r
+\r
+        if (cs instanceof ConservationColourScheme)\r
+        {\r
+            changeColour(((ConservationColourScheme) cs).cs);\r
+        }\r
+        else\r
+        {\r
+            changeColour(cs);\r
+        }\r
+\r
+        modifyConservation_actionPerformed(null);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void abovePIDThreshold_actionPerformed(ActionEvent e)\r
+    {\r
+        viewport.setAbovePIDThreshold(abovePIDThreshold.isSelected());\r
+\r
+        conservationMenuItem.setSelected(false);\r
+        viewport.setConservationSelected(false);\r
+\r
+        ColourSchemeI cs = viewport.getGlobalColourScheme();\r
+\r
+        if (cs instanceof ConservationColourScheme)\r
+        {\r
+            changeColour(((ConservationColourScheme) cs).cs);\r
+        }\r
+        else\r
+        {\r
+            changeColour(cs);\r
+        }\r
+\r
+        modifyPID_actionPerformed(null);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void userDefinedColour_actionPerformed(ActionEvent e)\r
+    {\r
+        new UserDefinedColours(alignPanel, null);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void PIDColour_actionPerformed(ActionEvent e)\r
+    {\r
+        changeColour(new PIDColourScheme());\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void BLOSUM62Colour_actionPerformed(ActionEvent e)\r
+    {\r
+        changeColour(new Blosum62ColourScheme());\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void sortPairwiseMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        addHistoryItem(new HistoryItem("Pairwise Sort", viewport.alignment,\r
+                HistoryItem.SORT));\r
+        AlignmentSorter.sortByPID(viewport.getAlignment(),\r
+            viewport.getAlignment().getSequenceAt(0));\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void sortIDMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        addHistoryItem(new HistoryItem("ID Sort", viewport.alignment,\r
+                HistoryItem.SORT));\r
+        AlignmentSorter.sortByID(viewport.getAlignment());\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void sortGroupMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        addHistoryItem(new HistoryItem("Group Sort", viewport.alignment,\r
+                HistoryItem.SORT));\r
+\r
+        AlignmentSorter.sortByGroup(viewport.getAlignment());\r
+        alignPanel.repaint();\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void removeRedundancyMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        RedundancyPanel sp = new RedundancyPanel(alignPanel, this);\r
+        JInternalFrame frame = new JInternalFrame();\r
+        frame.setContentPane(sp);\r
+        Desktop.addInternalFrame(frame, "Redundancy threshold selection", 400,\r
+            100, false);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void pairwiseAlignmentMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        if ((viewport.getSelectionGroup() == null) ||\r
+                (viewport.getSelectionGroup().getSize() < 2))\r
+        {\r
+            JOptionPane.showInternalMessageDialog(this,\r
+                "You must select at least 2 sequences.", "Invalid Selection",\r
+                JOptionPane.WARNING_MESSAGE);\r
+        }\r
+        else\r
+        {\r
+            JInternalFrame frame = new JInternalFrame();\r
+            frame.setContentPane(new PairwiseAlignPanel(viewport));\r
+            Desktop.addInternalFrame(frame, "Pairwise Alignment", 600, 500);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void PCAMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        if (((viewport.getSelectionGroup() != null) &&\r
+                (viewport.getSelectionGroup().getSize() < 4) &&\r
+                (viewport.getSelectionGroup().getSize() > 0)) ||\r
+                (viewport.getAlignment().getHeight() < 4))\r
+        {\r
+            JOptionPane.showInternalMessageDialog(this,\r
+                "Principal component analysis must take\n" +\r
+                "at least 4 input sequences.",\r
+                "Sequence selection insufficient", JOptionPane.WARNING_MESSAGE);\r
+\r
+            return;\r
+        }\r
+\r
+        try\r
+        {\r
+            PCAPanel pcaPanel = new PCAPanel(viewport, null);\r
+            JInternalFrame frame = new JInternalFrame();\r
+            frame.setContentPane(pcaPanel);\r
+            Desktop.addInternalFrame(frame, "Principal component analysis",\r
+                400, 400);\r
+        }\r
+        catch (java.lang.OutOfMemoryError ex)\r
+        {\r
+            JOptionPane.showInternalMessageDialog(this,\r
+                "Too many sequences selected\nfor Principal Component Analysis!!",\r
+                "Out of memory", JOptionPane.WARNING_MESSAGE);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void averageDistanceTreeMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        NewTreePanel("AV", "PID", "Average distance tree using PID");\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void neighbourTreeMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        NewTreePanel("NJ", "PID", "Neighbour joining tree using PID");\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void njTreeBlosumMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        NewTreePanel("NJ", "BL", "Neighbour joining tree using BLOSUM62");\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void avTreeBlosumMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        NewTreePanel("AV", "BL", "Average distance tree using BLOSUM62");\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param type DOCUMENT ME!\r
+     * @param pwType DOCUMENT ME!\r
+     * @param title DOCUMENT ME!\r
+     */\r
+    void NewTreePanel(String type, String pwType, String title)\r
+    {\r
+        final TreePanel tp;\r
+\r
+        if ((viewport.getSelectionGroup() != null) &&\r
+                (viewport.getSelectionGroup().getSize() > 3))\r
+        {\r
+            int s = 0;\r
+            SequenceGroup sg = viewport.getSelectionGroup();\r
+\r
+            /* Decide if the selection is a column region */\r
+            while (s < sg.sequences.size())\r
+            {\r
+                if (((SequenceI) sg.sequences.elementAt(s++)).getLength() < sg.getEndRes())\r
+                {\r
+                    JOptionPane.showMessageDialog(Desktop.desktop,\r
+                        "The selected region to create a tree may\nonly contain residues or gaps.\n" +\r
+                        "Try using the Pad function in the edit menu,\n" +\r
+                        "or one of the multiple sequence alignment web services.",\r
+                        "Sequences in selection are not aligned",\r
+                        JOptionPane.WARNING_MESSAGE);\r
+\r
+                    return;\r
+                }\r
+            }\r
+\r
+            title = title + " on region";\r
+            tp = new TreePanel(viewport,\r
+                    viewport.getSelectionGroup().sequences, type, pwType,\r
+                    sg.getStartRes(), sg.getEndRes());\r
+        }\r
+        else\r
+        {\r
+            //are the sequences aligned?\r
+            if (!viewport.alignment.isAligned())\r
+            {\r
+                JOptionPane.showMessageDialog(Desktop.desktop,\r
+                    "The sequences must be aligned before creating a tree.\n" +\r
+                    "Try using the Pad function in the edit menu,\n" +\r
+                    "or one of the multiple sequence alignment web services.",\r
+                    "Sequences not aligned", JOptionPane.WARNING_MESSAGE);\r
+\r
+                return;\r
+            }\r
+\r
+            tp = new TreePanel(viewport,\r
+                    viewport.getAlignment().getSequences(), type, pwType, 0,\r
+                    viewport.alignment.getWidth());\r
+        }\r
+\r
+        addTreeMenuItem(tp, title);\r
+        viewport.setCurrentTree(tp.getTree());\r
+\r
+        Desktop.addInternalFrame(tp, title + " from " + this.title, 600, 500);\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param title DOCUMENT ME!\r
+     * @param order DOCUMENT ME!\r
+     */\r
+    public void addSortByOrderMenuItem(String title, final AlignmentOrder order)\r
+    {\r
+        final JMenuItem item = new JMenuItem("by " + title);\r
+        sort.add(item);\r
+        item.addActionListener(new java.awt.event.ActionListener()\r
+            {\r
+                public void actionPerformed(ActionEvent e)\r
+                {\r
+                    addHistoryItem(new HistoryItem("Sort", viewport.alignment,\r
+                            HistoryItem.SORT));\r
+\r
+                    // TODO: JBPNote - have to map order entries to curent SequenceI pointers\r
+                    AlignmentSorter.sortBy(viewport.getAlignment(), order);\r
+                    alignPanel.repaint();\r
+                }\r
+            });\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param treePanel DOCUMENT ME!\r
+     * @param title DOCUMENT ME!\r
+     */\r
+    void addTreeMenuItem(final TreePanel treePanel, String title)\r
+    {\r
+        final JMenuItem item = new JMenuItem(title);\r
+\r
+        treeCount++;\r
+\r
+        if (treeCount == 1)\r
+        {\r
+            sort.add(sortByTreeMenu);\r
+        }\r
+\r
+        sortByTreeMenu.add(item);\r
+        item.addActionListener(new java.awt.event.ActionListener()\r
+            {\r
+                public void actionPerformed(ActionEvent e)\r
+                {\r
+                    addHistoryItem(new HistoryItem("Tree Sort",\r
+                            viewport.alignment, HistoryItem.SORT));\r
+                    AlignmentSorter.sortByTree(viewport.getAlignment(),\r
+                        treePanel.getTree());\r
+                    alignPanel.repaint();\r
+                }\r
+            });\r
+\r
+        treePanel.addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()\r
+            {\r
+                public void internalFrameClosed(\r
+                    javax.swing.event.InternalFrameEvent evt)\r
+                {\r
+                    treeCount--;\r
+                    sortByTreeMenu.remove(item);\r
+\r
+                    if (treeCount == 0)\r
+                    {\r
+                        sort.remove(sortByTreeMenu);\r
+                    }\r
+                }\r
+                ;\r
+            });\r
+        viewport.addPropertyChangeListener(new java.beans.PropertyChangeListener()\r
+            {\r
+                public void propertyChange(PropertyChangeEvent evt)\r
+                {\r
+                    if (evt.getPropertyName().equals("alignment"))\r
+                    {\r
+                        treePanel.getTree().UpdatePlaceHolders((Vector) evt.getNewValue());\r
+                        treePanel.repaint();\r
+                    }\r
+                }\r
+            });\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void clustalAlignMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        // TODO:resolve which menu item was actually selected\r
+        // Now, check we have enough sequences\r
+        SequenceI[] msa = null;\r
+\r
+        if ((viewport.getSelectionGroup() != null) &&\r
+                (viewport.getSelectionGroup().getSize() > 1))\r
+        {\r
+            // JBPNote UGLY! To prettify, make SequenceGroup and Alignment conform to some common interface!\r
+            SequenceGroup seqs = viewport.getSelectionGroup();\r
+            int sz;\r
+            msa = new SequenceI[sz = seqs.getSize()];\r
+\r
+            for (int i = 0; i < sz; i++)\r
+            {\r
+                msa[i] = (SequenceI) seqs.getSequenceAt(i);\r
+            }\r
+        }\r
+        else\r
+        {\r
+            Vector seqs = viewport.getAlignment().getSequences();\r
+\r
+            if (seqs.size() > 1)\r
+            {\r
+                msa = new SequenceI[seqs.size()];\r
+\r
+                for (int i = 0; i < seqs.size(); i++)\r
+                {\r
+                    msa[i] = (SequenceI) seqs.elementAt(i);\r
+                }\r
+            }\r
+        }\r
+\r
+        if (msa != null)\r
+        {\r
+            jalview.ws.MsaWSClient ct = new jalview.ws.MsaWSClient("ClustalWS",\r
+                    title, msa, false, true);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    public void ClustalRealign_actionPerformed(ActionEvent e)\r
+    {\r
+        // TODO:resolve which menu item was actually selected\r
+        // Now, check we have enough sequences\r
+        SequenceI[] msa = null;\r
+\r
+        if ((viewport.getSelectionGroup() != null) &&\r
+                (viewport.getSelectionGroup().getSize() > 1))\r
+        {\r
+            // JBPNote UGLY! To prettify, make SequenceGroup and Alignment conform to some common interface!\r
+            SequenceGroup seqs = viewport.getSelectionGroup();\r
+            int sz;\r
+            msa = new SequenceI[sz = seqs.getSize()];\r
+\r
+            for (int i = 0; i < sz; i++)\r
+            {\r
+                msa[i] = (SequenceI) seqs.getSequenceAt(i);\r
+            }\r
+        }\r
+        else\r
+        {\r
+            Vector seqs = viewport.getAlignment().getSequences();\r
+\r
+            if (seqs.size() > 1)\r
+            {\r
+                msa = new SequenceI[seqs.size()];\r
+\r
+                for (int i = 0; i < seqs.size(); i++)\r
+                {\r
+                    msa[i] = (SequenceI) seqs.elementAt(i);\r
+                }\r
+            }\r
+        }\r
+\r
+        if (msa != null)\r
+        {\r
+            jalview.ws.MsaWSClient ct = new jalview.ws.MsaWSClient("ClustalWS",\r
+                    title, msa, true, true);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void jpred_actionPerformed(ActionEvent e)\r
+    {\r
+        SequenceI seq = null;\r
+        SequenceI[] msa = null;\r
+\r
+        if ((viewport.getSelectionGroup() != null) &&\r
+                (viewport.getSelectionGroup().getSize() > 0))\r
+        {\r
+            // JBPNote UGLY! To prettify, make SequenceGroup and Alignment conform to some common interface!\r
+            SequenceGroup seqs = viewport.getSelectionGroup();\r
+\r
+            if ((seqs.getSize() == 1) || !viewport.alignment.isAligned())\r
+            {\r
+                seq = (SequenceI) seqs.getSequenceAt(0);\r
+            }\r
+            else\r
+            {\r
+                int sz;\r
+                msa = new SequenceI[sz = seqs.getSize()];\r
+\r
+                for (int i = 0; i < sz; i++)\r
+                {\r
+                    msa[i] = (SequenceI) seqs.getSequenceAt(i);\r
+                }\r
+            }\r
+        }\r
+        else\r
+        {\r
+            Vector seqs = viewport.getAlignment().getSequences();\r
+\r
+            if ((seqs.size() == 1) || !viewport.alignment.isAligned())\r
+            {\r
+                seq = (SequenceI) seqs.elementAt(0);\r
+            }\r
+            else\r
+            {\r
+                msa = new SequenceI[seqs.size()];\r
+\r
+                for (int i = 0; i < seqs.size(); i++)\r
+                {\r
+                    msa[i] = (SequenceI) seqs.elementAt(i);\r
+                }\r
+            }\r
+        }\r
+\r
+        if (msa != null)\r
+        {\r
+            JPredClient ct = new JPredClient(title, msa);\r
+        }\r
+        else if (seq != null)\r
+        {\r
+            JPredClient ct = new JPredClient(title, seq);\r
+        }\r
+        else\r
+        {\r
+            System.err.print(\r
+                "JALVIEW ERROR! - Unexpected JPred selection state!\n");\r
+        }\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void msaAlignMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        // TODO:resolve which menu item was actually selected\r
+        // Now, check we have enough sequences\r
+        SequenceI[] msa = null;\r
+\r
+        if ((viewport.getSelectionGroup() != null) &&\r
+                (viewport.getSelectionGroup().getSize() > 1))\r
+        {\r
+            // JBPNote UGLY! To prettify, make SequenceGroup and Alignment conform to some common interface!\r
+            SequenceGroup seqs = viewport.getSelectionGroup();\r
+            int sz;\r
+            msa = new SequenceI[sz = seqs.getSize()];\r
+\r
+            for (int i = 0; i < sz; i++)\r
+            {\r
+                msa[i] = (SequenceI) seqs.getSequenceAt(i);\r
+            }\r
+        }\r
+        else\r
+        {\r
+            Vector seqs = viewport.getAlignment().getSequences();\r
+\r
+            if (seqs.size() > 1)\r
+            {\r
+                msa = new SequenceI[seqs.size()];\r
+\r
+                for (int i = 0; i < seqs.size(); i++)\r
+                {\r
+                    msa[i] = (SequenceI) seqs.elementAt(i);\r
+                }\r
+            }\r
+        }\r
+\r
+        if (msa != null)\r
+        {\r
+            MsaWSClient ct = new jalview.ws.MsaWSClient("MuscleWS", title, msa,\r
+                    false, true);\r
+        }\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param e DOCUMENT ME!\r
+     */\r
+    protected void LoadtreeMenuItem_actionPerformed(ActionEvent e)\r
+    {\r
+        // Pick the tree file\r
+        JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.getProperty(\r
+                    "LAST_DIRECTORY"));\r
+        chooser.setFileView(new JalviewFileView());\r
+        chooser.setDialogTitle("Select a newick-like tree file");\r
+        chooser.setToolTipText("Load a tree file");\r
+\r
+        int value = chooser.showOpenDialog(null);\r
+\r
+        if (value == JalviewFileChooser.APPROVE_OPTION)\r
+        {\r
+            String choice = chooser.getSelectedFile().getPath();\r
+            jalview.bin.Cache.setProperty("LAST_DIRECTORY", choice);\r
+\r
+            try\r
+            {\r
+                jalview.io.NewickFile fin = new jalview.io.NewickFile(choice,\r
+                        "File");\r
+                viewport.setCurrentTree(ShowNewickTree(fin, choice).getTree());\r
+            }\r
+            catch (Exception ex)\r
+            {\r
+                JOptionPane.showMessageDialog(Desktop.desktop,\r
+                    "Problem reading tree file", ex.getMessage(),\r
+                    JOptionPane.WARNING_MESSAGE);\r
+                ex.printStackTrace();\r
+            }\r
+        }\r
+    }\r
+\r
+    /**\r
+     * DOCUMENT ME!\r
+     *\r
+     * @param nf DOCUMENT ME!\r
+     * @param title DOCUMENT ME!\r
+     *\r
+     * @return DOCUMENT ME!\r
+     */\r
+    public TreePanel ShowNewickTree(NewickFile nf, String title)\r
+    {\r
+        TreePanel tp = null;\r
+\r
+        try\r
+        {\r
+            nf.parse();\r
+\r
+            if (nf.getTree() != null)\r
+            {\r
+                tp = new TreePanel(viewport,\r
+                        viewport.getAlignment().getSequences(), nf, "FromFile",\r
+                        title);\r
+                Desktop.addInternalFrame(tp, title, 600, 500);\r
+                addTreeMenuItem(tp, title);\r
+            }\r
+        }\r
+        catch (Exception ex)\r
+        {\r
+            ex.printStackTrace();\r
+        }\r
+\r
+        return tp;\r
+    }\r
+\r
+    class PrintThread extends Thread\r
+    {\r
+        public void run()\r
+        {\r
+            PrinterJob printJob = PrinterJob.getPrinterJob();\r
+            PageFormat pf = printJob.pageDialog(printJob.defaultPage());\r
+            printJob.setPrintable(alignPanel, pf);\r
+\r
+            if (printJob.printDialog())\r
+            {\r
+                try\r
+                {\r
+                    printJob.print();\r
+                }\r
+                catch (Exception PrintException)\r
+                {\r
+                    PrintException.printStackTrace();\r
+                }\r
+            }\r
+        }\r
+    }\r
+}\r