JAL-2632 Added paintAlignment(true) to show cols code
[jalview.git] / src / jalview / gui / AlignFrame.java
index 21f4aac..2a4b6dc 100644 (file)
@@ -32,10 +32,9 @@ import jalview.api.AlignViewControllerI;
 import jalview.api.AlignViewportI;
 import jalview.api.AlignmentViewPanel;
 import jalview.api.FeatureSettingsControllerI;
-import jalview.api.FeatureSettingsModelI;
 import jalview.api.SplitContainerI;
 import jalview.api.ViewStyleI;
-import jalview.api.analysis.ScoreModelI;
+import jalview.api.analysis.SimilarityParamsI;
 import jalview.bin.Cache;
 import jalview.bin.Jalview;
 import jalview.commands.CommandI;
@@ -54,52 +53,44 @@ import jalview.datamodel.AlignmentI;
 import jalview.datamodel.AlignmentOrder;
 import jalview.datamodel.AlignmentView;
 import jalview.datamodel.ColumnSelection;
-import jalview.datamodel.DBRefSource;
+import jalview.datamodel.HiddenColumns;
 import jalview.datamodel.HiddenSequences;
 import jalview.datamodel.PDBEntry;
 import jalview.datamodel.SeqCigar;
 import jalview.datamodel.Sequence;
 import jalview.datamodel.SequenceGroup;
 import jalview.datamodel.SequenceI;
+import jalview.gui.ColourMenuHelper.ColourChangeListener;
 import jalview.gui.ViewSelectionMenu.ViewSetProvider;
 import jalview.io.AlignmentProperties;
 import jalview.io.AnnotationFile;
 import jalview.io.BioJsHTMLOutput;
+import jalview.io.DataSourceType;
+import jalview.io.FileFormat;
+import jalview.io.FileFormatI;
+import jalview.io.FileFormats;
 import jalview.io.FileLoader;
+import jalview.io.FileParse;
 import jalview.io.FormatAdapter;
 import jalview.io.HtmlSvgOutput;
 import jalview.io.IdentifyFile;
+import jalview.io.JPredFile;
 import jalview.io.JalviewFileChooser;
 import jalview.io.JalviewFileView;
 import jalview.io.JnetAnnotationMaker;
 import jalview.io.NewickFile;
+import jalview.io.ScoreMatrixFile;
 import jalview.io.TCoffeeScoreFile;
-import jalview.io.gff.SequenceOntologyI;
 import jalview.jbgui.GAlignFrame;
-import jalview.schemes.Blosum62ColourScheme;
-import jalview.schemes.BuriedColourScheme;
-import jalview.schemes.ClustalxColourScheme;
 import jalview.schemes.ColourSchemeI;
-import jalview.schemes.ColourSchemeProperty;
-import jalview.schemes.HelixColourScheme;
-import jalview.schemes.HydrophobicColourScheme;
-import jalview.schemes.NucleotideColourScheme;
-import jalview.schemes.PIDColourScheme;
-import jalview.schemes.PurinePyrimidineColourScheme;
-import jalview.schemes.RNAHelicesColourChooser;
-import jalview.schemes.ResidueProperties;
-import jalview.schemes.StrandColourScheme;
+import jalview.schemes.ColourSchemes;
+import jalview.schemes.ResidueColourScheme;
 import jalview.schemes.TCoffeeColourScheme;
-import jalview.schemes.TaylorColourScheme;
-import jalview.schemes.TurnColourScheme;
-import jalview.schemes.UserColourScheme;
-import jalview.schemes.ZappoColourScheme;
-import jalview.structure.StructureSelectionManager;
 import jalview.util.MessageManager;
 import jalview.viewmodel.AlignmentViewport;
+import jalview.viewmodel.ViewportRanges;
 import jalview.ws.DBRefFetcher;
 import jalview.ws.DBRefFetcher.FetchFinishedListenerI;
-import jalview.ws.SequenceFetcher;
 import jalview.ws.jws1.Discoverer;
 import jalview.ws.jws2.Jws2Discoverer;
 import jalview.ws.jws2.jabaws2.Jws2Instance;
@@ -113,6 +104,7 @@ import java.awt.datatransfer.Clipboard;
 import java.awt.datatransfer.DataFlavor;
 import java.awt.datatransfer.StringSelection;
 import java.awt.datatransfer.Transferable;
+import java.awt.dnd.DnDConstants;
 import java.awt.dnd.DropTargetDragEvent;
 import java.awt.dnd.DropTargetDropEvent;
 import java.awt.dnd.DropTargetEvent;
@@ -125,12 +117,13 @@ import java.awt.event.ItemEvent;
 import java.awt.event.ItemListener;
 import java.awt.event.KeyAdapter;
 import java.awt.event.KeyEvent;
-import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.awt.print.PageFormat;
 import java.awt.print.PrinterJob;
 import java.beans.PropertyChangeEvent;
 import java.io.File;
+import java.io.FileWriter;
+import java.io.PrintWriter;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -146,8 +139,6 @@ import javax.swing.JInternalFrame;
 import javax.swing.JLayeredPane;
 import javax.swing.JMenu;
 import javax.swing.JMenuItem;
-import javax.swing.JOptionPane;
-import javax.swing.JRadioButtonMenuItem;
 import javax.swing.JScrollPane;
 import javax.swing.SwingUtilities;
 
@@ -158,7 +149,7 @@ import javax.swing.SwingUtilities;
  * @version $Revision$
  */
 public class AlignFrame extends GAlignFrame implements DropTargetListener,
-        IProgressIndicator, AlignViewControllerGuiI
+        IProgressIndicator, AlignViewControllerGuiI, ColourChangeListener
 {
 
   public static final int DEFAULT_WIDTH = 700;
@@ -172,14 +163,16 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
   AlignViewport viewport;
 
+  ViewportRanges vpRanges;
+
   public AlignViewControllerI avc;
 
-  List<AlignmentPanel> alignPanels = new ArrayList<AlignmentPanel>();
+  List<AlignmentPanel> alignPanels = new ArrayList<>();
 
   /**
    * Last format used to load or save alignments in this window
    */
-  String currentFileFormat = null;
+  FileFormatI currentFileFormat = null;
 
   /**
    * Current filename for this alignment
@@ -241,7 +234,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * @param height
    *          height of frame.
    */
-  public AlignFrame(AlignmentI al, ColumnSelection hiddenColumns,
+  public AlignFrame(AlignmentI al, HiddenColumns hiddenColumns,
           int width, int height)
   {
     this(al, hiddenColumns, width, height, null);
@@ -258,7 +251,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * @param sequenceSetId
    *          (may be null)
    */
-  public AlignFrame(AlignmentI al, ColumnSelection hiddenColumns,
+  public AlignFrame(AlignmentI al, HiddenColumns hiddenColumns,
           int width, int height, String sequenceSetId)
   {
     this(al, hiddenColumns, width, height, sequenceSetId, null);
@@ -277,7 +270,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * @param viewId
    *          (may be null)
    */
-  public AlignFrame(AlignmentI al, ColumnSelection hiddenColumns,
+  public AlignFrame(AlignmentI al, HiddenColumns hiddenColumns,
           int width, int height, String sequenceSetId, String viewId)
   {
     setSize(width, height);
@@ -296,7 +289,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   public AlignFrame(AlignmentI al, SequenceI[] hiddenSeqs,
-          ColumnSelection hiddenColumns, int width, int height)
+          HiddenColumns hiddenColumns, int width, int height)
   {
     setSize(width, height);
 
@@ -343,11 +336,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       progressBar = new ProgressBar(this.statusPanel, this.statusBar);
     }
 
+    vpRanges = viewport.getRanges();
     avc = new jalview.controller.AlignViewController(this, viewport,
             alignPanel);
     if (viewport.getAlignmentConservationAnnotation() == null)
     {
-      BLOSUM62Colour.setEnabled(false);
+      // BLOSUM62Colour.setEnabled(false);
       conservationMenuItem.setEnabled(false);
       modifyConservation.setEnabled(false);
       // PIDColour.setEnabled(false);
@@ -367,19 +361,28 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       sortPairwiseMenuItem_actionPerformed(null);
     }
 
-    if (Desktop.desktop != null)
-    {
-      this.setDropTarget(new java.awt.dnd.DropTarget(this, this));
-      addServiceListeners();
-      setGUINucleotide(viewport.getAlignment().isNucleotide());
-    }
-
     this.alignPanel.av
             .setShowAutocalculatedAbove(isShowAutoCalculatedAbove());
 
     setMenusFromViewport(viewport);
     buildSortByAnnotationScoresMenu();
-    buildTreeMenu();
+    calculateTree.addActionListener(new ActionListener()
+    {
+
+      @Override
+      public void actionPerformed(ActionEvent e)
+      {
+        openTreePcaDialog();
+      }
+    });
+    buildColourMenu();
+
+    if (Desktop.desktop != null)
+    {
+      this.setDropTarget(new java.awt.dnd.DropTarget(this, this));
+      addServiceListeners();
+      setGUINucleotide();
+    }
 
     if (viewport.getWrapAlignment())
     {
@@ -393,8 +396,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     addKeyListener();
 
-    final List<AlignmentPanel> selviews = new ArrayList<AlignmentPanel>();
-    final List<AlignmentPanel> origview = new ArrayList<AlignmentPanel>();
+    final List<AlignmentPanel> selviews = new ArrayList<>();
+    final List<AlignmentPanel> origview = new ArrayList<>();
     final String menuLabel = MessageManager
             .getString("label.copy_format_from");
     ViewSelectionMenu vsel = new ViewSelectionMenu(menuLabel,
@@ -407,7 +410,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                 origview.clear();
                 origview.add(alignPanel);
                 // make an array of all alignment panels except for this one
-                List<AlignmentPanel> aps = new ArrayList<AlignmentPanel>(
+                List<AlignmentPanel> aps = new ArrayList<>(
                         Arrays.asList(Desktop.getAlignmentPanels(null)));
                 aps.remove(AlignFrame.this.alignPanel);
                 return aps.toArray(new AlignmentPanel[aps.size()]);
@@ -488,7 +491,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * @param format
    *          format of file
    */
-  public void setFileName(String file, String format)
+  public void setFileName(String file, FileFormatI format)
   {
     fileName = file;
     setFileFormat(format);
@@ -651,8 +654,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                   new String[] { (viewport.cursorMode ? "on" : "off") }));
           if (viewport.cursorMode)
           {
-            alignPanel.getSeqPanel().seqCanvas.cursorX = viewport.startRes;
-            alignPanel.getSeqPanel().seqCanvas.cursorY = viewport.startSeq;
+            alignPanel.getSeqPanel().seqCanvas.cursorX = vpRanges
+                    .getStartRes();
+            alignPanel.getSeqPanel().seqCanvas.cursorY = vpRanges
+                    .getStartSeq();
           }
           alignPanel.getSeqPanel().seqCanvas.repaint();
           break;
@@ -673,27 +678,21 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           toggleHiddenRegions(toggleSeqs, toggleCols);
           break;
         }
+        case KeyEvent.VK_B:
+        {
+          boolean toggleSel = evt.isControlDown() || evt.isMetaDown();
+          boolean modifyExisting = true; // always modify, don't clear
+                                         // evt.isShiftDown();
+          boolean invertHighlighted = evt.isAltDown();
+          avc.markHighlightedColumns(invertHighlighted, modifyExisting,
+                  toggleSel);
+          break;
+        }
         case KeyEvent.VK_PAGE_UP:
-          if (viewport.getWrapAlignment())
-          {
-            alignPanel.scrollUp(true);
-          }
-          else
-          {
-            alignPanel.setScrollValues(viewport.startRes, viewport.startSeq
-                    - viewport.endSeq + viewport.startSeq);
-          }
+          vpRanges.pageUp();
           break;
         case KeyEvent.VK_PAGE_DOWN:
-          if (viewport.getWrapAlignment())
-          {
-            alignPanel.scrollUp(false);
-          }
-          else
-          {
-            alignPanel.setScrollValues(viewport.startRes, viewport.startSeq
-                    + viewport.endSeq - viewport.startSeq);
-          }
+          vpRanges.pageDown();
           break;
         }
       }
@@ -836,24 +835,23 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   /**
    * Configure menu items that vary according to whether the alignment is
    * nucleotide or protein
-   * 
-   * @param nucleotide
    */
-  public void setGUINucleotide(boolean nucleotide)
+  public void setGUINucleotide()
   {
+    AlignmentI al = getViewport().getAlignment();
+    boolean nucleotide = al.isNucleotide();
+
     showTranslation.setVisible(nucleotide);
     showReverse.setVisible(nucleotide);
     showReverseComplement.setVisible(nucleotide);
     conservationMenuItem.setEnabled(!nucleotide);
-    modifyConservation.setEnabled(!nucleotide);
+    modifyConservation.setEnabled(!nucleotide
+            && conservationMenuItem.isSelected());
     showGroupConservation.setEnabled(!nucleotide);
-    rnahelicesColour.setEnabled(nucleotide);
-    purinePyrimidineColour.setEnabled(nucleotide);
-    showComplementMenuItem.setText(MessageManager
-            .getString(nucleotide ? "label.protein" : "label.nucleotide"));
-    setColourSelected(jalview.bin.Cache.getDefault(
-            nucleotide ? Preferences.DEFAULT_COLOUR_NUC
-                    : Preferences.DEFAULT_COLOUR_PROT, "None"));
+
+    showComplementMenuItem.setText(nucleotide ? MessageManager
+            .getString("label.protein") : MessageManager
+            .getString("label.nucleotide"));
   }
 
   /**
@@ -879,7 +877,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     padGapsMenuitem.setSelected(av.isPadGaps());
     colourTextMenuItem.setSelected(av.isShowColourText());
     abovePIDThreshold.setSelected(av.getAbovePIDThreshold());
+    modifyPID.setEnabled(abovePIDThreshold.isSelected());
     conservationMenuItem.setSelected(av.getConservationSelected());
+    modifyConservation.setEnabled(conservationMenuItem.isSelected());
     seqLimits.setSelected(av.getShowJVSuffix());
     idRightAlign.setSelected(av.isRightAlignIds());
     centreColumnLabelsMenuItem.setState(av.isCentreColumnLabels());
@@ -905,8 +905,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     showSequenceLogo.setSelected(av.isShowSequenceLogo());
     normaliseSequenceLogo.setSelected(av.isNormaliseSequenceLogo());
 
-    setColourSelected(ColourSchemeProperty.getColourName(av
-            .getGlobalColourScheme()));
+    ColourMenuHelper.setColourSelected(colourMenu,
+            av.getGlobalColourScheme());
 
     showSeqFeatures.setSelected(av.isShowSequenceFeatures());
     hiddenMarkers.setState(av.getShowHiddenMarkers());
@@ -916,9 +916,6 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     autoCalculate.setSelected(av.autoCalculateConsensus);
     sortByTree.setSelected(av.sortByTree);
     listenToViewSelections.setSelected(av.followSelection);
-    rnahelicesColour.setEnabled(av.getAlignment().hasRNAStructure());
-    rnahelicesColour
-            .setSelected(av.getGlobalColourScheme() instanceof jalview.schemes.RNAHelicesColour);
 
     showProducts.setEnabled(canShowProducts());
     setGroovyEnabled(Desktop.getGroovyConsole() != null);
@@ -1006,7 +1003,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       // originating file's format
       // TODO: work out how to recover feature settings for correct view(s) when
       // file is reloaded.
-      if (currentFileFormat.equals("Jalview"))
+      if (FileFormat.Jalview.equals(currentFileFormat))
       {
         JInternalFrame[] frames = Desktop.desktop.getAllFrames();
         for (int i = 0; i < frames.length; i++)
@@ -1028,7 +1025,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         Desktop.instance.closeAssociatedWindows();
 
         FileLoader loader = new FileLoader();
-        String protocol = fileName.startsWith("http:") ? "URL" : "File";
+        DataSourceType protocol = fileName.startsWith("http:") ? DataSourceType.URL
+                : DataSourceType.FILE;
         loader.LoadFile(viewport, fileName, protocol, currentFileFormat);
       }
       else
@@ -1036,7 +1034,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         Rectangle bounds = this.getBounds();
 
         FileLoader loader = new FileLoader();
-        String protocol = fileName.startsWith("http:") ? "URL" : "File";
+        DataSourceType protocol = fileName.startsWith("http:") ? DataSourceType.URL
+                : DataSourceType.FILE;
         AlignFrame newframe = loader.LoadFileWaitTillLoaded(fileName,
                 protocol, currentFileFormat);
 
@@ -1080,9 +1079,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   public void save_actionPerformed(ActionEvent e)
   {
-    if (fileName == null
-            || (currentFileFormat == null || !jalview.io.FormatAdapter
-                    .isValidIOFormat(currentFileFormat, true))
+    if (fileName == null || (currentFileFormat == null)
             || fileName.startsWith("http"))
     {
       saveAs_actionPerformed(null);
@@ -1102,11 +1099,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   public void saveAs_actionPerformed(ActionEvent e)
   {
-    JalviewFileChooser chooser = new JalviewFileChooser(
-            jalview.bin.Cache.getProperty("LAST_DIRECTORY"),
-            jalview.io.AppletFormatAdapter.WRITABLE_EXTENSIONS,
-            jalview.io.AppletFormatAdapter.WRITABLE_FNAMES,
-            currentFileFormat, false);
+    String format = currentFileFormat == null ? null : currentFileFormat
+            .getName();
+    JalviewFileChooser chooser = JalviewFileChooser.forWrite(
+            Cache.getProperty("LAST_DIRECTORY"), format);
 
     chooser.setFileView(new JalviewFileView());
     chooser.setDialogTitle(MessageManager
@@ -1120,14 +1116,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       currentFileFormat = chooser.getSelectedFormat();
       while (currentFileFormat == null)
       {
-        JOptionPane
+        JvOptionPane
                 .showInternalMessageDialog(
                         Desktop.desktop,
                         MessageManager
                                 .getString("label.select_file_format_before_saving"),
                         MessageManager
                                 .getString("label.file_format_not_specified"),
-                        JOptionPane.WARNING_MESSAGE);
+                        JvOptionPane.WARNING_MESSAGE);
         currentFileFormat = chooser.getSelectedFormat();
         value = chooser.showSaveDialog(this);
         if (value != JalviewFileChooser.APPROVE_OPTION)
@@ -1138,24 +1134,18 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
       fileName = chooser.getSelectedFile().getPath();
 
-      jalview.bin.Cache.setProperty("DEFAULT_FILE_FORMAT",
-              currentFileFormat);
+      Cache.setProperty("DEFAULT_FILE_FORMAT", currentFileFormat.getName());
 
-      jalview.bin.Cache.setProperty("LAST_DIRECTORY", fileName);
-      if (currentFileFormat.indexOf(" ") > -1)
-      {
-        currentFileFormat = currentFileFormat.substring(0,
-                currentFileFormat.indexOf(" "));
-      }
+      Cache.setProperty("LAST_DIRECTORY", fileName);
       saveAlignment(fileName, currentFileFormat);
     }
   }
 
-  public boolean saveAlignment(String file, String format)
+  public boolean saveAlignment(String file, FileFormatI format)
   {
     boolean success = true;
 
-    if (format.equalsIgnoreCase("Jalview"))
+    if (FileFormat.Jalview.equals(format))
     {
       String shortName = title;
 
@@ -1174,17 +1164,6 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
     else
     {
-      if (!jalview.io.AppletFormatAdapter.isValidFormat(format, true))
-      {
-        warningMessage("Cannot save file " + fileName + " using format "
-                + format, "Alignment output format not supported");
-        if (!Jalview.isHeadlessMode())
-        {
-          saveAs_actionPerformed(null);
-        }
-        return false;
-      }
-
       AlignmentExportData exportData = getAlignmentForExport(format,
               viewport, null);
       if (exportData.getSettings().isCancelled())
@@ -1198,8 +1177,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               exportData.getAlignment(), // class cast exceptions will
               // occur in the distant future
               exportData.getOmitHidden(), exportData.getStartEndPostions(),
-              f.getCacheSuffixDefault(format),
-              viewport.getColumnSelection());
+              f.getCacheSuffixDefault(format), viewport.getAlignment()
+                      .getHiddenColumns());
 
       if (output == null)
       {
@@ -1209,15 +1188,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       {
         try
         {
-          java.io.PrintWriter out = new java.io.PrintWriter(
-                  new java.io.FileWriter(file));
+          PrintWriter out = new PrintWriter(new FileWriter(file));
 
           out.print(output);
           out.close();
           this.setTitle(file);
           statusBar.setText(MessageManager.formatMessage(
                   "label.successfully_saved_to_file_in_format",
-                  new Object[] { fileName, format }));
+                  new Object[] { fileName, format.getName() }));
         } catch (Exception ex)
         {
           success = false;
@@ -1228,11 +1206,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     if (!success)
     {
-      JOptionPane.showInternalMessageDialog(this, MessageManager
+      JvOptionPane.showInternalMessageDialog(this, MessageManager
               .formatMessage("label.couldnt_save_file",
                       new Object[] { fileName }), MessageManager
               .getString("label.error_saving_file"),
-              JOptionPane.WARNING_MESSAGE);
+              JvOptionPane.WARNING_MESSAGE);
     }
 
     return success;
@@ -1247,8 +1225,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
     else
     {
-      JOptionPane.showInternalMessageDialog(this, warning, title,
-              JOptionPane.WARNING_MESSAGE);
+      JvOptionPane.showInternalMessageDialog(this, warning, title,
+              JvOptionPane.WARNING_MESSAGE);
     }
     return;
   }
@@ -1262,9 +1240,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   protected void outputText_actionPerformed(ActionEvent e)
   {
-
-    AlignmentExportData exportData = getAlignmentForExport(
-            e.getActionCommand(), viewport, null);
+    FileFormatI fileFormat = FileFormats.getInstance().forName(
+            e.getActionCommand());
+    AlignmentExportData exportData = getAlignmentForExport(fileFormat,
+            viewport, null);
     if (exportData.getSettings().isCancelled())
     {
       return;
@@ -1273,12 +1252,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     cap.setForInput(null);
     try
     {
+      FileFormatI format = fileFormat;
       cap.setText(new FormatAdapter(alignPanel, exportData.getSettings())
-              .formatSequences(e.getActionCommand(),
-                      exportData.getAlignment(),
+              .formatSequences(format, exportData.getAlignment(),
                       exportData.getOmitHidden(),
-                      exportData.getStartEndPostions(),
-                      viewport.getColumnSelection()));
+ exportData
+                              .getStartEndPostions(), viewport
+                              .getAlignment().getHiddenColumns()));
       Desktop.addInternalFrame(cap, MessageManager.formatMessage(
               "label.alignment_output_command",
               new Object[] { e.getActionCommand() }), 600, 500);
@@ -1291,7 +1271,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   public static AlignmentExportData getAlignmentForExport(
-          String exportFormat, AlignViewportI viewport,
+          FileFormatI format, AlignViewportI viewport,
           AlignExportSettingI exportSettings)
   {
     AlignmentI alignmentToExport = null;
@@ -1307,7 +1287,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     if (settings == null)
     {
       settings = new AlignExportSettings(hasHiddenSeqs,
-              viewport.hasHiddenColumns(), exportFormat);
+              viewport.hasHiddenColumns(), format);
     }
     // settings.isExportAnnotations();
 
@@ -1326,9 +1306,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     {
       alignmentToExport = viewport.getAlignment();
     }
-    alignmentStartEnd = alignmentToExport
-            .getVisibleStartAndEndIndex(viewport.getColumnSelection()
-                    .getHiddenColumns());
+    alignmentStartEnd = viewport.getAlignment().getHiddenColumns()
+            .getVisibleStartAndEndIndex(alignmentToExport.getWidth());
     AlignmentExportData ed = new AlignmentExportData(alignmentToExport,
             omitHidden, alignmentStartEnd, settings);
     return ed;
@@ -1343,14 +1322,15 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   protected void htmlMenuItem_actionPerformed(ActionEvent e)
   {
-    new HtmlSvgOutput(null, alignPanel);
+    HtmlSvgOutput htmlSVG = new HtmlSvgOutput(alignPanel);
+    htmlSVG.exportHTML(null);
   }
 
   @Override
   public void bioJSMenuItem_actionPerformed(ActionEvent e)
   {
-    BioJsHTMLOutput bjs = new BioJsHTMLOutput(alignPanel, this);
-    bjs.exportJalviewAlignmentAsBioJsHtmlFile();
+    BioJsHTMLOutput bjs = new BioJsHTMLOutput(alignPanel);
+    bjs.exportHTML(null);
   }
 
   public void createImageMap(File file, String image)
@@ -1736,7 +1716,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
   synchronized void slideSequences(boolean right, int size)
   {
-    List<SequenceI> sg = new ArrayList<SequenceI>();
+    List<SequenceI> sg = new ArrayList<>();
     if (viewport.cursorMode)
     {
       sg.add(viewport.getAlignment().getSequenceAt(
@@ -1755,7 +1735,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       return;
     }
 
-    List<SequenceI> invertGroup = new ArrayList<SequenceI>();
+    List<SequenceI> invertGroup = new ArrayList<>();
 
     for (SequenceI seq : viewport.getAlignment().getSequences())
     {
@@ -1864,8 +1844,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       omitHidden = viewport.getViewAsString(true);
     }
 
-    String output = new FormatAdapter().formatSequences("Fasta", seqs,
-            omitHidden, null);
+    String output = new FormatAdapter().formatSequences(FileFormat.Fasta,
+            seqs, omitHidden, null);
 
     StringSelection ss = new StringSelection(output);
 
@@ -1888,10 +1868,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     ArrayList<int[]> hiddenColumns = null;
     if (viewport.hasHiddenColumns())
     {
-      hiddenColumns = new ArrayList<int[]>();
-      int hiddenOffset = viewport.getSelectionGroup().getStartRes(), hiddenCutoff = viewport
-              .getSelectionGroup().getEndRes();
-      for (int[] region : viewport.getColumnSelection().getHiddenColumns())
+      hiddenColumns = new ArrayList<>();
+      int hiddenOffset = viewport.getSelectionGroup().getStartRes();
+      int hiddenCutoff = viewport.getSelectionGroup().getEndRes();
+      ArrayList<int[]> hiddenRegions = viewport.getAlignment()
+              .getHiddenColumns().getHiddenColumnsCopy();
+      for (int[] region : hiddenRegions)
       {
         if (region[0] >= hiddenOffset && region[1] <= hiddenCutoff)
         {
@@ -1951,7 +1933,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         return;
       }
 
-      String str, format;
+      String str;
+      FileFormatI format;
       try
       {
         str = (String) contents.getTransferData(DataFlavor.stringFlavor);
@@ -1960,7 +1943,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           return;
         }
 
-        format = new IdentifyFile().identify(str, "Paste");
+        format = new IdentifyFile().identify(str, DataSourceType.PASTE);
 
       } catch (OutOfMemoryError er)
       {
@@ -1990,12 +1973,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       else
       {
         // parse the clipboard as an alignment.
-        alignment = new FormatAdapter().readFile(str, "Paste", format);
+        alignment = new FormatAdapter().readFile(str, DataSourceType.PASTE,
+                format);
         sequences = alignment.getSequencesArray();
       }
 
       int alwidth = 0;
-      ArrayList<Integer> newGraphGroups = new ArrayList<Integer>();
+      ArrayList<Integer> newGraphGroups = new ArrayList<>();
       int fgroup = -1;
 
       if (newAlignment)
@@ -2159,7 +2143,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       {
 
         // propagate alignment changed.
-        viewport.setEndSeq(alignment.getHeight());
+        vpRanges.setEndSeq(alignment.getHeight());
         if (annotationAdded)
         {
           // Duplicate sequence annotation in all views.
@@ -2359,13 +2343,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               .getAlignment().getWidth()) ? true : false;
       if (isEntireAlignWidth)
       {
-        int confirm = JOptionPane.showConfirmDialog(this,
+        int confirm = JvOptionPane.showConfirmDialog(this,
                 MessageManager.getString("warn.delete_all"), // $NON-NLS-1$
                 MessageManager.getString("label.delete_all"), // $NON-NLS-1$
-                JOptionPane.OK_CANCEL_OPTION);
+                JvOptionPane.OK_CANCEL_OPTION);
 
-        if (confirm == JOptionPane.CANCEL_OPTION
-                || confirm == JOptionPane.CLOSED_OPTION)
+        if (confirm == JvOptionPane.CANCEL_OPTION
+                || confirm == JvOptionPane.CLOSED_OPTION)
         {
           return;
         }
@@ -2563,7 +2547,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       {
         trimRegion = new TrimRegionCommand("Remove Left", true, seqs,
                 column, viewport.getAlignment());
-        viewport.setStartRes(0);
+        vpRanges.setStartRes(0);
       }
       else
       {
@@ -2630,13 +2614,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     // This is to maintain viewport position on first residue
     // of first sequence
     SequenceI seq = viewport.getAlignment().getSequenceAt(0);
-    int startRes = seq.findPosition(viewport.startRes);
+    int startRes = seq.findPosition(vpRanges.getStartRes());
     // ShiftList shifts;
     // viewport.getAlignment().removeGaps(shifts=new ShiftList());
     // edit.alColumnChanges=shifts.getInverse();
     // if (viewport.hasHiddenColumns)
     // viewport.getColumnSelection().compensateForEdits(shifts);
-    viewport.setStartRes(seq.findIndex(startRes) - 1);
+    vpRanges.setStartRes(seq.findIndex(startRes) - 1);
     viewport.firePropertyChange("alignment", null, viewport.getAlignment()
             .getSequences());
 
@@ -2669,12 +2653,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     // This is to maintain viewport position on first residue
     // of first sequence
     SequenceI seq = viewport.getAlignment().getSequenceAt(0);
-    int startRes = seq.findPosition(viewport.startRes);
+    int startRes = seq.findPosition(vpRanges.getStartRes());
 
     addHistoryItem(new RemoveGapsCommand("Remove Gaps", seqs, start, end,
             viewport.getAlignment()));
 
-    viewport.setStartRes(seq.findIndex(startRes) - 1);
+    vpRanges.setStartRes(seq.findIndex(startRes) - 1);
 
     viewport.firePropertyChange("alignment", null, viewport.getAlignment()
             .getSequences());
@@ -2762,6 +2746,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
      */
     newap.av.replaceMappings(viewport.getAlignment());
 
+    /*
+     * start up cDNA consensus (if applicable) now mappings are in place
+     */
+    if (newap.av.initComplementConsensus())
+    {
+      newap.refresh(true); // adjust layout of annotations
+    }
+
     newap.av.viewName = getNewViewName(viewTitle);
 
     addAlignmentPanel(newap, true);
@@ -2819,7 +2811,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    */
   protected List<String> getExistingViewNames(List<Component> comps)
   {
-    List<String> existingNames = new ArrayList<String>();
+    List<String> existingNames = new ArrayList<>();
     for (Component comp : comps)
     {
       if (comp instanceof AlignmentPanel)
@@ -2910,8 +2902,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     viewport.setFollowHighlight(state);
     if (state)
     {
-      alignPanel.scrollToPosition(
-              alignPanel.getSeqPanel().seqCanvas.searchResults, false);
+      alignPanel.scrollToPosition(viewport.getSearchResults(), false);
     }
   }
 
@@ -2954,7 +2945,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   public void showAllColumns_actionPerformed(ActionEvent e)
   {
     viewport.showAllHiddenColumns();
-    repaint();
+    alignPanel.paintAlignment(true);
     viewport.sendSelection();
   }
 
@@ -2962,7 +2953,6 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   public void hideSelSequences_actionPerformed(ActionEvent e)
   {
     viewport.hideAllSelectedSeqs();
-    // alignPanel.paintAlignment(true);
   }
 
   /**
@@ -2981,9 +2971,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       // Hide everything by the current selection - this is a hack - we do the
       // invert and then hide
       // first check that there will be visible columns after the invert.
-      if ((viewport.getColumnSelection() != null
-              && viewport.getColumnSelection().getSelected() != null && viewport
-              .getColumnSelection().getSelected().size() > 0)
+      if (viewport.hasSelectedColumns()
               || (sg != null && sg.getSize() > 0 && sg.getStartRes() <= sg
                       .getEndRes()))
       {
@@ -3011,8 +2999,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         hideSelSequences_actionPerformed(null);
         hide = true;
       }
-      else if (!(toggleCols && viewport.getColumnSelection().getSelected()
-              .size() > 0))
+      else if (!(toggleCols && viewport.hasSelectedColumns()))
       {
         showAllSeqs_actionPerformed(null);
       }
@@ -3020,7 +3007,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     if (toggleCols)
     {
-      if (viewport.getColumnSelection().getSelected().size() > 0)
+      if (viewport.hasSelectedColumns())
       {
         hideSelColumns_actionPerformed(null);
         if (!toggleSeqs)
@@ -3212,34 +3199,6 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     viewport.setShowSequenceFeatures(showSeqFeatures.isSelected());
     alignPanel.paintAlignment(true);
-    if (alignPanel.getOverviewPanel() != null)
-    {
-      alignPanel.getOverviewPanel().updateOverviewImage();
-    }
-  }
-
-  /**
-   * Set or clear 'Show Sequence Features'
-   * 
-   * @param evt
-   *          DOCUMENT ME!
-   */
-  @Override
-  public void showSeqFeaturesHeight_actionPerformed(ActionEvent evt)
-  {
-    viewport.setShowSequenceFeaturesHeight(showSeqFeaturesHeight
-            .isSelected());
-    if (viewport.isShowSequenceFeaturesHeight())
-    {
-      // ensure we're actually displaying features
-      viewport.setShowSequenceFeatures(true);
-      showSeqFeatures.setSelected(true);
-    }
-    alignPanel.paintAlignment(true);
-    if (alignPanel.getOverviewPanel() != null)
-    {
-      alignPanel.getOverviewPanel().updateOverviewImage();
-    }
   }
 
   /**
@@ -3295,11 +3254,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
 
     JInternalFrame frame = new JInternalFrame();
-    OverviewPanel overview = new OverviewPanel(alignPanel);
+    final OverviewPanel overview = new OverviewPanel(alignPanel);
     frame.setContentPane(overview);
     Desktop.addInternalFrame(frame, MessageManager.formatMessage(
             "label.overview_params", new Object[] { this.getTitle() }),
-            frame.getWidth(), frame.getHeight());
+            true, frame.getWidth(), frame.getHeight(), true, true);
     frame.pack();
     frame.setLayer(JLayeredPane.PALETTE_LAYER);
     frame.addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()
@@ -3308,6 +3267,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       public void internalFrameClosed(
               javax.swing.event.InternalFrameEvent evt)
       {
+        overview.dispose();
         alignPanel.setOverviewPanel(null);
       };
     });
@@ -3316,160 +3276,151 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   @Override
-  public void textColour_actionPerformed(ActionEvent e)
+  public void textColour_actionPerformed()
   {
     new TextColourChooser().chooseColour(alignPanel, null);
   }
 
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
+  /*
+   * public void covariationColour_actionPerformed() {
+   * changeColour(new
+   * CovariationColourScheme(viewport.getAlignment().getAlignmentAnnotation
+   * ()[0])); }
    */
   @Override
-  protected void noColourmenuItem_actionPerformed(ActionEvent e)
+  public void annotationColour_actionPerformed()
   {
-    changeColour(null);
+    new AnnotationColourChooser(viewport, alignPanel);
   }
 
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
   @Override
-  public void clustalColour_actionPerformed(ActionEvent e)
+  public void annotationColumn_actionPerformed(ActionEvent e)
   {
-    changeColour(new ClustalxColourScheme(viewport.getAlignment(),
-            viewport.getHiddenRepSequences()));
+    new AnnotationColumnChooser(viewport, alignPanel);
   }
 
   /**
-   * DOCUMENT ME!
+   * Action on the user checking or unchecking the option to apply the selected
+   * colour scheme to all groups. If unchecked, groups may have their own
+   * independent colour schemes.
    * 
-   * @param e
-   *          DOCUMENT ME!
+   * @param selected
    */
   @Override
-  public void zappoColour_actionPerformed(ActionEvent e)
+  public void applyToAllGroups_actionPerformed(boolean selected)
   {
-    changeColour(new ZappoColourScheme());
+    viewport.setColourAppliesToAllGroups(selected);
   }
 
   /**
-   * DOCUMENT ME!
+   * Action on user selecting a colour from the colour menu
    * 
-   * @param e
-   *          DOCUMENT ME!
+   * @param name
+   *          the name (not the menu item label!) of the colour scheme
    */
   @Override
-  public void taylorColour_actionPerformed(ActionEvent e)
+  public void changeColour_actionPerformed(String name)
   {
-    changeColour(new TaylorColourScheme());
-  }
+    /*
+     * 'User Defined' opens a panel to configure or load a
+     * user-defined colour scheme
+     */
+    if (ResidueColourScheme.USER_DEFINED.equals(name))
+    {
+      new UserDefinedColours(alignPanel);
+      return;
+    }
 
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
-  @Override
-  public void hydrophobicityColour_actionPerformed(ActionEvent e)
-  {
-    changeColour(new HydrophobicColourScheme());
+    /*
+     * otherwise set the chosen colour scheme (or null for 'None')
+     */
+    ColourSchemeI cs = ColourSchemes.getInstance().getColourScheme(name,
+            viewport.getAlignment(), viewport.getHiddenRepSequences());
+    changeColour(cs);
   }
 
   /**
-   * DOCUMENT ME!
+   * Actions on setting or changing the alignment colour scheme
    * 
-   * @param e
-   *          DOCUMENT ME!
+   * @param cs
    */
   @Override
-  public void helixColour_actionPerformed(ActionEvent e)
+  public void changeColour(ColourSchemeI cs)
   {
-    changeColour(new HelixColourScheme());
-  }
+    // TODO: pull up to controller method
+    ColourMenuHelper.setColourSelected(colourMenu, cs);
 
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
-  @Override
-  public void strandColour_actionPerformed(ActionEvent e)
-  {
-    changeColour(new StrandColourScheme());
+    viewport.setGlobalColourScheme(cs);
+
+    alignPanel.paintAlignment(true);
   }
 
   /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
+   * Show the PID threshold slider panel
    */
   @Override
-  public void turnColour_actionPerformed(ActionEvent e)
+  protected void modifyPID_actionPerformed()
   {
-    changeColour(new TurnColourScheme());
+    SliderPanel.setPIDSliderSource(alignPanel,
+            viewport.getResidueShading(), alignPanel.getViewName());
+    SliderPanel.showPIDSlider();
   }
 
   /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
+   * Show the Conservation slider panel
    */
   @Override
-  public void buriedColour_actionPerformed(ActionEvent e)
+  protected void modifyConservation_actionPerformed()
   {
-    changeColour(new BuriedColourScheme());
+    SliderPanel.setConservationSlider(alignPanel,
+            viewport.getResidueShading(), alignPanel.getViewName());
+    SliderPanel.showConservationSlider();
   }
 
   /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
+   * Action on selecting or deselecting (Colour) By Conservation
    */
   @Override
-  public void nucleotideColour_actionPerformed(ActionEvent e)
+  public void conservationMenuItem_actionPerformed(boolean selected)
   {
-    changeColour(new NucleotideColourScheme());
-  }
+    modifyConservation.setEnabled(selected);
+    viewport.setConservationSelected(selected);
+    viewport.getResidueShading().setConservationApplied(selected);
 
-  @Override
-  public void purinePyrimidineColour_actionPerformed(ActionEvent e)
-  {
-    changeColour(new PurinePyrimidineColourScheme());
+    changeColour(viewport.getGlobalColourScheme());
+    if (selected)
+    {
+      modifyConservation_actionPerformed();
+    }
+    else
+    {
+      SliderPanel.hideConservationSlider();
+    }
   }
 
-  /*
-   * public void covariationColour_actionPerformed(ActionEvent e) {
-   * changeColour(new
-   * CovariationColourScheme(viewport.getAlignment().getAlignmentAnnotation
-   * ()[0])); }
+  /**
+   * Action on selecting or deselecting (Colour) Above PID Threshold
    */
   @Override
-  public void annotationColour_actionPerformed(ActionEvent e)
-  {
-    new AnnotationColourChooser(viewport, alignPanel);
-  }
-
-  @Override
-  public void annotationColumn_actionPerformed(ActionEvent e)
+  public void abovePIDThreshold_actionPerformed(boolean selected)
   {
-    new AnnotationColumnChooser(viewport, alignPanel);
-  }
+    modifyPID.setEnabled(selected);
+    viewport.setAbovePIDThreshold(selected);
+    if (!selected)
+    {
+      viewport.getResidueShading().setThreshold(0,
+              viewport.isIgnoreGapsConsensus());
+    }
 
-  @Override
-  public void rnahelicesColour_actionPerformed(ActionEvent e)
-  {
-    new RNAHelicesColourChooser(viewport, alignPanel);
+    changeColour(viewport.getGlobalColourScheme());
+    if (selected)
+    {
+      modifyPID_actionPerformed();
+    }
+    else
+    {
+      SliderPanel.hidePIDSlider();
+    }
   }
 
   /**
@@ -3479,46 +3430,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    *          DOCUMENT ME!
    */
   @Override
-  protected void applyToAllGroups_actionPerformed(ActionEvent e)
-  {
-    viewport.setColourAppliesToAllGroups(applyToAllGroups.isSelected());
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param cs
-   *          DOCUMENT ME!
-   */
-  @Override
-  public void changeColour(ColourSchemeI cs)
+  public void sortPairwiseMenuItem_actionPerformed(ActionEvent e)
   {
-    // TODO: pull up to controller method
-
-    if (cs != null)
-    {
-      // Make sure viewport is up to date w.r.t. any sliders
-      if (viewport.getAbovePIDThreshold())
-      {
-        int threshold = SliderPanel.setPIDSliderSource(alignPanel, cs,
-                "Background");
-        viewport.setThreshold(threshold);
-      }
-
-      if (viewport.getConservationSelected())
-      {
-        cs.setConservationInc(SliderPanel.setConservationSlider(alignPanel,
-                cs, "Background"));
-      }
-      if (cs instanceof TCoffeeColourScheme)
-      {
-        tcoffeeColour.setEnabled(true);
-        tcoffeeColour.setSelected(true);
-      }
-    }
-
-    viewport.setGlobalColourScheme(cs);
-
+    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
+    AlignmentSorter.sortByPID(viewport.getAlignment(), viewport
+            .getAlignment().getSequenceAt(0));
+    addHistoryItem(new OrderCommand("Pairwise Sort", oldOrder,
+            viewport.getAlignment()));
     alignPanel.paintAlignment(true);
   }
 
@@ -3529,15 +3447,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    *          DOCUMENT ME!
    */
   @Override
-  protected void modifyPID_actionPerformed(ActionEvent e)
+  public void sortIDMenuItem_actionPerformed(ActionEvent e)
   {
-    if (viewport.getAbovePIDThreshold()
-            && viewport.getGlobalColourScheme() != null)
-    {
-      SliderPanel.setPIDSliderSource(alignPanel,
-              viewport.getGlobalColourScheme(), "Background");
-      SliderPanel.showPIDSlider();
-    }
+    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
+    AlignmentSorter.sortByID(viewport.getAlignment());
+    addHistoryItem(new OrderCommand("ID Sort", oldOrder,
+            viewport.getAlignment()));
+    alignPanel.paintAlignment(true);
   }
 
   /**
@@ -3547,15 +3463,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    *          DOCUMENT ME!
    */
   @Override
-  protected void modifyConservation_actionPerformed(ActionEvent e)
+  public void sortLengthMenuItem_actionPerformed(ActionEvent e)
   {
-    if (viewport.getConservationSelected()
-            && viewport.getGlobalColourScheme() != null)
-    {
-      SliderPanel.setConservationSlider(alignPanel,
-              viewport.getGlobalColourScheme(), "Background");
-      SliderPanel.showConservationSlider();
-    }
+    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
+    AlignmentSorter.sortByLength(viewport.getAlignment());
+    addHistoryItem(new OrderCommand("Length Sort", oldOrder,
+            viewport.getAlignment()));
+    alignPanel.paintAlignment(true);
   }
 
   /**
@@ -3565,16 +3479,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    *          DOCUMENT ME!
    */
   @Override
-  protected void conservationMenuItem_actionPerformed(ActionEvent e)
+  public void sortGroupMenuItem_actionPerformed(ActionEvent e)
   {
-    viewport.setConservationSelected(conservationMenuItem.isSelected());
-
-    viewport.setAbovePIDThreshold(false);
-    abovePIDThreshold.setSelected(false);
-
-    changeColour(viewport.getGlobalColourScheme());
+    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
+    AlignmentSorter.sortByGroup(viewport.getAlignment());
+    addHistoryItem(new OrderCommand("Group Sort", oldOrder,
+            viewport.getAlignment()));
 
-    modifyConservation_actionPerformed(null);
+    alignPanel.paintAlignment(true);
   }
 
   /**
@@ -3584,16 +3496,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    *          DOCUMENT ME!
    */
   @Override
-  public void abovePIDThreshold_actionPerformed(ActionEvent e)
+  public void removeRedundancyMenuItem_actionPerformed(ActionEvent e)
   {
-    viewport.setAbovePIDThreshold(abovePIDThreshold.isSelected());
-
-    conservationMenuItem.setSelected(false);
-    viewport.setConservationSelected(false);
-
-    changeColour(viewport.getGlobalColourScheme());
-
-    modifyPID_actionPerformed(null);
+    new RedundancyPanel(alignPanel, this);
   }
 
   /**
@@ -3603,260 +3508,31 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    *          DOCUMENT ME!
    */
   @Override
-  public void userDefinedColour_actionPerformed(ActionEvent e)
+  public void pairwiseAlignmentMenuItem_actionPerformed(ActionEvent e)
   {
-    if (e.getActionCommand().equals(
-            MessageManager.getString("action.user_defined")))
+    if ((viewport.getSelectionGroup() == null)
+            || (viewport.getSelectionGroup().getSize() < 2))
     {
-      new UserDefinedColours(alignPanel, null);
+      JvOptionPane.showInternalMessageDialog(this, MessageManager
+              .getString("label.you_must_select_least_two_sequences"),
+              MessageManager.getString("label.invalid_selection"),
+              JvOptionPane.WARNING_MESSAGE);
     }
     else
     {
-      UserColourScheme udc = (UserColourScheme) UserDefinedColours
-              .getUserColourSchemes().get(e.getActionCommand());
-
-      changeColour(udc);
+      JInternalFrame frame = new JInternalFrame();
+      frame.setContentPane(new PairwiseAlignPanel(viewport));
+      Desktop.addInternalFrame(frame,
+              MessageManager.getString("action.pairwise_alignment"), 600,
+              500);
     }
   }
 
-  public void updateUserColourMenu()
+  @Override
+  public void autoCalculate_actionPerformed(ActionEvent e)
   {
-
-    Component[] menuItems = colourMenu.getMenuComponents();
-    int iSize = menuItems.length;
-    for (int i = 0; i < iSize; i++)
-    {
-      if (menuItems[i].getName() != null
-              && menuItems[i].getName().equals("USER_DEFINED"))
-      {
-        colourMenu.remove(menuItems[i]);
-        iSize--;
-      }
-    }
-    if (jalview.gui.UserDefinedColours.getUserColourSchemes() != null)
-    {
-      java.util.Enumeration userColours = jalview.gui.UserDefinedColours
-              .getUserColourSchemes().keys();
-
-      while (userColours.hasMoreElements())
-      {
-        final JRadioButtonMenuItem radioItem = new JRadioButtonMenuItem(
-                userColours.nextElement().toString());
-        radioItem.setName("USER_DEFINED");
-        radioItem.addMouseListener(new MouseAdapter()
-        {
-          @Override
-          public void mousePressed(MouseEvent evt)
-          {
-            if (evt.isPopupTrigger())
-            {
-              radioItem.removeActionListener(radioItem.getActionListeners()[0]);
-
-              int option = JOptionPane.showInternalConfirmDialog(
-                      jalview.gui.Desktop.desktop,
-                      MessageManager
-                              .getString("label.remove_from_default_list"),
-                      MessageManager
-                              .getString("label.remove_user_defined_colour"),
-                      JOptionPane.YES_NO_OPTION);
-              if (option == JOptionPane.YES_OPTION)
-              {
-                jalview.gui.UserDefinedColours
-                        .removeColourFromDefaults(radioItem.getText());
-                colourMenu.remove(radioItem);
-              }
-              else
-              {
-                radioItem.addActionListener(new ActionListener()
-                {
-                  @Override
-                  public void actionPerformed(ActionEvent evt)
-                  {
-                    userDefinedColour_actionPerformed(evt);
-                  }
-                });
-              }
-            }
-          }
-        });
-        radioItem.addActionListener(new ActionListener()
-        {
-          @Override
-          public void actionPerformed(ActionEvent evt)
-          {
-            userDefinedColour_actionPerformed(evt);
-          }
-        });
-
-        colourMenu.insert(radioItem, 15);
-        colours.add(radioItem);
-      }
-    }
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
-  @Override
-  public void PIDColour_actionPerformed(ActionEvent e)
-  {
-    changeColour(new PIDColourScheme());
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
-  @Override
-  public void BLOSUM62Colour_actionPerformed(ActionEvent e)
-  {
-    changeColour(new Blosum62ColourScheme());
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
-  @Override
-  public void sortPairwiseMenuItem_actionPerformed(ActionEvent e)
-  {
-    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
-    AlignmentSorter.sortByPID(viewport.getAlignment(), viewport
-            .getAlignment().getSequenceAt(0), null);
-    addHistoryItem(new OrderCommand("Pairwise Sort", oldOrder,
-            viewport.getAlignment()));
-    alignPanel.paintAlignment(true);
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
-  @Override
-  public void sortIDMenuItem_actionPerformed(ActionEvent e)
-  {
-    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
-    AlignmentSorter.sortByID(viewport.getAlignment());
-    addHistoryItem(new OrderCommand("ID Sort", oldOrder,
-            viewport.getAlignment()));
-    alignPanel.paintAlignment(true);
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
-  @Override
-  public void sortLengthMenuItem_actionPerformed(ActionEvent e)
-  {
-    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
-    AlignmentSorter.sortByLength(viewport.getAlignment());
-    addHistoryItem(new OrderCommand("Length Sort", oldOrder,
-            viewport.getAlignment()));
-    alignPanel.paintAlignment(true);
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
-  @Override
-  public void sortGroupMenuItem_actionPerformed(ActionEvent e)
-  {
-    SequenceI[] oldOrder = viewport.getAlignment().getSequencesArray();
-    AlignmentSorter.sortByGroup(viewport.getAlignment());
-    addHistoryItem(new OrderCommand("Group Sort", oldOrder,
-            viewport.getAlignment()));
-
-    alignPanel.paintAlignment(true);
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
-  @Override
-  public void removeRedundancyMenuItem_actionPerformed(ActionEvent e)
-  {
-    new RedundancyPanel(alignPanel, this);
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
-  @Override
-  public void pairwiseAlignmentMenuItem_actionPerformed(ActionEvent e)
-  {
-    if ((viewport.getSelectionGroup() == null)
-            || (viewport.getSelectionGroup().getSize() < 2))
-    {
-      JOptionPane.showInternalMessageDialog(this, MessageManager
-              .getString("label.you_must_select_least_two_sequences"),
-              MessageManager.getString("label.invalid_selection"),
-              JOptionPane.WARNING_MESSAGE);
-    }
-    else
-    {
-      JInternalFrame frame = new JInternalFrame();
-      frame.setContentPane(new PairwiseAlignPanel(viewport));
-      Desktop.addInternalFrame(frame,
-              MessageManager.getString("action.pairwise_alignment"), 600,
-              500);
-    }
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
-  @Override
-  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,
-                      MessageManager
-                              .getString("label.principal_component_analysis_must_take_least_four_input_sequences"),
-                      MessageManager
-                              .getString("label.sequence_selection_insufficient"),
-                      JOptionPane.WARNING_MESSAGE);
-
-      return;
-    }
-
-    new PCAPanel(alignPanel);
-  }
-
-  @Override
-  public void autoCalculate_actionPerformed(ActionEvent e)
-  {
-    viewport.autoCalculateConsensus = autoCalculate.isSelected();
-    if (viewport.autoCalculateConsensus)
+    viewport.autoCalculateConsensus = autoCalculate.isSelected();
+    if (viewport.autoCalculateConsensus)
     {
       viewport.firePropertyChange("alignment", null, viewport
               .getAlignment().getSequences());
@@ -3876,83 +3552,24 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
-  @Override
-  public void averageDistanceTreeMenuItem_actionPerformed(ActionEvent e)
-  {
-    newTreePanel("AV", "PID", "Average distance tree using PID");
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
-  @Override
-  public void neighbourTreeMenuItem_actionPerformed(ActionEvent e)
-  {
-    newTreePanel("NJ", "PID", "Neighbour joining tree using PID");
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
-  @Override
-  protected void njTreeBlosumMenuItem_actionPerformed(ActionEvent e)
-  {
-    newTreePanel("NJ", "BL", "Neighbour joining tree using BLOSUM62");
-  }
-
-  /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
-   */
-  @Override
-  protected void avTreeBlosumMenuItem_actionPerformed(ActionEvent e)
-  {
-    newTreePanel("AV", "BL", "Average distance tree using BLOSUM62");
-  }
-
-  /**
-   * DOCUMENT ME!
+   * Constructs a tree panel and adds it to the desktop
    * 
    * @param type
-   *          DOCUMENT ME!
-   * @param pwType
-   *          DOCUMENT ME!
-   * @param title
-   *          DOCUMENT ME!
+   *          tree type (NJ or AV)
+   * @param modelName
+   *          name of score model used to compute the tree
+   * @param options
+   *          parameters for the distance or similarity calculation
    */
-  void newTreePanel(String type, String pwType, String title)
+  void newTreePanel(String type, String modelName, SimilarityParamsI options)
   {
+    String frameTitle = "";
     TreePanel tp;
 
+    boolean onSelection = false;
     if (viewport.getSelectionGroup() != null
             && viewport.getSelectionGroup().getSize() > 0)
     {
-      if (viewport.getSelectionGroup().getSize() < 3)
-      {
-        JOptionPane
-                .showMessageDialog(
-                        Desktop.desktop,
-                        MessageManager
-                                .getString("label.you_need_more_two_sequences_selected_build_tree"),
-                        MessageManager
-                                .getString("label.not_enough_sequences"),
-                        JOptionPane.WARNING_MESSAGE);
-        return;
-      }
-
       SequenceGroup sg = viewport.getSelectionGroup();
 
       /* Decide if the selection is a column region */
@@ -3960,57 +3577,41 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       {
         if (_s.getLength() < sg.getEndRes())
         {
-          JOptionPane
+          JvOptionPane
                   .showMessageDialog(
                           Desktop.desktop,
                           MessageManager
                                   .getString("label.selected_region_to_tree_may_only_contain_residues_or_gaps"),
                           MessageManager
                                   .getString("label.sequences_selection_not_aligned"),
-                          JOptionPane.WARNING_MESSAGE);
+                          JvOptionPane.WARNING_MESSAGE);
 
           return;
         }
       }
-
-      title = title + " on region";
-      tp = new TreePanel(alignPanel, type, pwType);
+      onSelection = true;
     }
     else
     {
-      // are the visible sequences aligned?
-      if (!viewport.getAlignment().isAligned(false))
-      {
-        JOptionPane
-                .showMessageDialog(
-                        Desktop.desktop,
-                        MessageManager
-                                .getString("label.sequences_must_be_aligned_before_creating_tree"),
-                        MessageManager
-                                .getString("label.sequences_not_aligned"),
-                        JOptionPane.WARNING_MESSAGE);
-
-        return;
-      }
-
       if (viewport.getAlignment().getHeight() < 2)
       {
         return;
       }
-
-      tp = new TreePanel(alignPanel, type, pwType);
     }
 
-    title += " from ";
+    tp = new TreePanel(alignPanel, type, modelName, options);
+    frameTitle = tp.getPanelTitle() + (onSelection ? " on region" : "");
+
+    frameTitle += " from ";
 
     if (viewport.viewName != null)
     {
-      title += viewport.viewName + " of ";
+      frameTitle += viewport.viewName + " of ";
     }
 
-    title += this.title;
+    frameTitle += this.title;
 
-    Desktop.addInternalFrame(tp, title, 600, 500);
+    Desktop.addInternalFrame(tp, frameTitle, 600, 500);
   }
 
   /**
@@ -4132,53 +3733,15 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * call. Listeners are added to remove the menu item when the treePanel is
    * closed, and adjust the tree leaf to sequence mapping when the alignment is
    * modified.
-   * 
-   * @param treePanel
-   *          Displayed tree window.
-   * @param title
-   *          SortBy menu item title.
    */
   @Override
-  public void buildTreeMenu()
+  public void buildTreeSortMenu()
   {
-    calculateTree.removeAll();
-    // build the calculate menu
-
-    for (final String type : new String[] { "NJ", "AV" })
-    {
-      String treecalcnm = MessageManager.getString("label.tree_calc_"
-              + type.toLowerCase());
-      for (final String pwtype : ResidueProperties.scoreMatrices.keySet())
-      {
-        JMenuItem tm = new JMenuItem();
-        ScoreModelI sm = ResidueProperties.scoreMatrices.get(pwtype);
-        if (sm.isDNA() == viewport.getAlignment().isNucleotide()
-                || sm.isProtein() == !viewport.getAlignment()
-                        .isNucleotide())
-        {
-          String smn = MessageManager.getStringOrReturn(
-                  "label.score_model_", sm.getName());
-          final String title = MessageManager.formatMessage(
-                  "label.treecalc_title", treecalcnm, smn);
-          tm.setText(title);//
-          tm.addActionListener(new java.awt.event.ActionListener()
-          {
-            @Override
-            public void actionPerformed(ActionEvent e)
-            {
-              newTreePanel(type, pwtype, title);
-            }
-          });
-          calculateTree.add(tm);
-        }
-
-      }
-    }
     sortByTreeMenu.removeAll();
 
     List<Component> comps = PaintRefresher.components.get(viewport
             .getSequenceSetId());
-    List<TreePanel> treePanels = new ArrayList<TreePanel>();
+    List<TreePanel> treePanels = new ArrayList<>();
     for (Component comp : comps)
     {
       if (comp instanceof TreePanel)
@@ -4253,11 +3816,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     else if (viewport.getSelectionGroup() != null
             && viewport.getSelectionGroup().getSize() == 1)
     {
-      int option = JOptionPane.showConfirmDialog(this,
+      int option = JvOptionPane.showConfirmDialog(this,
               MessageManager.getString("warn.oneseq_msainput_selection"),
               MessageManager.getString("label.invalid_selection"),
-              JOptionPane.OK_CANCEL_OPTION);
-      if (option == JOptionPane.OK_OPTION)
+              JvOptionPane.OK_CANCEL_OPTION);
+      if (option == JvOptionPane.OK_OPTION)
       {
         msa = viewport.getAlignmentView(false);
       }
@@ -4324,59 +3887,47 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     if (value == JalviewFileChooser.APPROVE_OPTION)
     {
-      String choice = chooser.getSelectedFile().getPath();
-      jalview.bin.Cache.setProperty("LAST_DIRECTORY", choice);
-      jalview.io.NewickFile fin = null;
+      String filePath = chooser.getSelectedFile().getPath();
+      Cache.setProperty("LAST_DIRECTORY", filePath);
+      NewickFile fin = null;
       try
       {
-        fin = new jalview.io.NewickFile(choice, "File");
-        viewport.setCurrentTree(ShowNewickTree(fin, choice).getTree());
+        fin = new NewickFile(filePath, DataSourceType.FILE);
+        viewport.setCurrentTree(showNewickTree(fin, filePath).getTree());
       } catch (Exception ex)
       {
-        JOptionPane
+        JvOptionPane
                 .showMessageDialog(
                         Desktop.desktop,
                         ex.getMessage(),
                         MessageManager
                                 .getString("label.problem_reading_tree_file"),
-                        JOptionPane.WARNING_MESSAGE);
+                        JvOptionPane.WARNING_MESSAGE);
         ex.printStackTrace();
       }
       if (fin != null && fin.hasWarningMessage())
       {
-        JOptionPane.showMessageDialog(Desktop.desktop, fin
+        JvOptionPane.showMessageDialog(Desktop.desktop, fin
                 .getWarningMessage(), MessageManager
                 .getString("label.possible_problem_with_tree_file"),
-                JOptionPane.WARNING_MESSAGE);
+                JvOptionPane.WARNING_MESSAGE);
       }
     }
   }
 
-  @Override
-  protected void tcoffeeColorScheme_actionPerformed(ActionEvent e)
-  {
-    changeColour(new TCoffeeColourScheme(alignPanel.getAlignment()));
-  }
-
-  public TreePanel ShowNewickTree(NewickFile nf, String title)
-  {
-    return ShowNewickTree(nf, title, 600, 500, 4, 5);
-  }
-
-  public TreePanel ShowNewickTree(NewickFile nf, String title,
-          AlignmentView input)
+  public TreePanel showNewickTree(NewickFile nf, String treeTitle)
   {
-    return ShowNewickTree(nf, title, input, 600, 500, 4, 5);
+    return showNewickTree(nf, treeTitle, 600, 500, 4, 5);
   }
 
-  public TreePanel ShowNewickTree(NewickFile nf, String title, int w,
+  public TreePanel showNewickTree(NewickFile nf, String treeTitle, int w,
           int h, int x, int y)
   {
-    return ShowNewickTree(nf, title, null, w, h, x, y);
+    return showNewickTree(nf, treeTitle, null, w, h, x, y);
   }
 
   /**
-   * Add a treeviewer for the tree extracted from a newick file object to the
+   * Add a treeviewer for the tree extracted from a Newick file object to the
    * current alignment view
    * 
    * @param nf
@@ -4395,7 +3946,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    *          position
    * @return TreePanel handle
    */
-  public TreePanel ShowNewickTree(NewickFile nf, String title,
+  public TreePanel showNewickTree(NewickFile nf, String treeTitle,
           AlignmentView input, int w, int h, int x, int y)
   {
     TreePanel tp = null;
@@ -4406,7 +3957,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
       if (nf.getTree() != null)
       {
-        tp = new TreePanel(alignPanel, "FromFile", title, nf, input);
+        tp = new TreePanel(alignPanel, nf, treeTitle, input);
 
         tp.setSize(w, h);
 
@@ -4415,7 +3966,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           tp.setLocation(x, y);
         }
 
-        Desktop.addInternalFrame(tp, title, w, h);
+        Desktop.addInternalFrame(tp, treeTitle, w, h);
       }
     } catch (Exception ex)
     {
@@ -4450,7 +4001,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       @Override
       public void run()
       {
-        final List<JMenuItem> legacyItems = new ArrayList<JMenuItem>();
+        final List<JMenuItem> legacyItems = new ArrayList<>();
         try
         {
           // System.err.println("Building ws menu again "
@@ -4465,24 +4016,20 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           // TODO: group services by location as well as function and/or
           // introduce
           // object broker mechanism.
-          final Vector<JMenu> wsmenu = new Vector<JMenu>();
+          final Vector<JMenu> wsmenu = new Vector<>();
           final IProgressIndicator af = me;
+
+          /*
+           * do not i18n these strings - they are hard-coded in class
+           * compbio.data.msa.Category, Jws2Discoverer.isRecalculable() and
+           * SequenceAnnotationWSClient.initSequenceAnnotationWSClient()
+           */
           final JMenu msawsmenu = new JMenu("Alignment");
           final JMenu secstrmenu = new JMenu(
                   "Secondary Structure Prediction");
           final JMenu seqsrchmenu = new JMenu("Sequence Database Search");
           final JMenu analymenu = new JMenu("Analysis");
           final JMenu dismenu = new JMenu("Protein Disorder");
-          // final JMenu msawsmenu = new
-          // JMenu(MessageManager.getString("label.alignment"));
-          // final JMenu secstrmenu = new
-          // JMenu(MessageManager.getString("label.secondary_structure_prediction"));
-          // final JMenu seqsrchmenu = new
-          // JMenu(MessageManager.getString("label.sequence_database_search"));
-          // final JMenu analymenu = new
-          // JMenu(MessageManager.getString("label.analysis"));
-          // final JMenu dismenu = new
-          // JMenu(MessageManager.getString("label.protein_disorder"));
           // JAL-940 - only show secondary structure prediction services from
           // the legacy server
           if (// Cache.getDefault("SHOW_JWS1_SERVICES", true)
@@ -4653,14 +4200,21 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     SequenceI[] seqs = viewport.getAlignment().getSequencesArray();
     AlignmentI dataset = viewport.getAlignment().getDataset();
+
+    showProducts.removeAll();
+    final boolean dna = viewport.getAlignment().isNucleotide();
+
+    if (seqs == null || seqs.length == 0)
+    {
+      // nothing to see here.
+      return false;
+    }
+
     boolean showp = false;
     try
     {
-      showProducts.removeAll();
-      final boolean dna = viewport.getAlignment().isNucleotide();
-      List<String> ptypes = (seqs == null || seqs.length == 0) ? null
-              : new CrossRef(seqs, dataset)
-                      .findXrefSourcesForSequences(dna);
+      List<String> ptypes = new CrossRef(seqs, dataset)
+              .findXrefSourcesForSequences(dna);
 
       for (final String source : ptypes)
       {
@@ -4703,235 +4257,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   protected void showProductsFor(final SequenceI[] sel,
           final boolean _odna, final String source)
   {
-    Runnable foo = new Runnable()
-    {
-
-      @Override
-      public void run()
-      {
-        final long sttime = System.currentTimeMillis();
-        AlignFrame.this.setProgressBar(MessageManager.formatMessage(
-                "status.searching_for_sequences_from",
-                new Object[] { source }), sttime);
-        try
-        {
-          AlignmentI alignment = AlignFrame.this.getViewport()
-                  .getAlignment();
-          AlignmentI dataset = alignment.getDataset() == null ? alignment
-                  : alignment.getDataset();
-          boolean dna = alignment.isNucleotide();
-          if (_odna != dna)
-          {
-            System.err
-                    .println("Conflict: showProducts for alignment originally "
-                            + "thought to be "
-                            + (_odna ? "DNA" : "Protein")
-                            + " now searching for "
-                            + (dna ? "DNA" : "Protein") + " Context.");
-          }
-          AlignmentI xrefs = new CrossRef(sel, dataset).findXrefSequences(
-                  source, dna);
-          if (xrefs == null)
-          {
-            return;
-          }
-          /*
-           * get display scheme (if any) to apply to features
-           */
-          FeatureSettingsModelI featureColourScheme = new SequenceFetcher()
-                  .getFeatureColourScheme(source);
-
-          AlignmentI xrefsAlignment = makeCrossReferencesAlignment(dataset,
-                  xrefs);
-          if (!dna)
-          {
-            xrefsAlignment = AlignmentUtils.makeCdsAlignment(
-                    xrefsAlignment.getSequencesArray(), dataset, sel);
-            xrefsAlignment.alignAs(alignment);
-          }
-
-          /*
-           * If we are opening a splitframe, make a copy of this alignment (sharing the same dataset
-           * sequences). If we are DNA, drop introns and update mappings
-           */
-          AlignmentI copyAlignment = null;
-
-          if (Cache.getDefault(Preferences.ENABLE_SPLIT_FRAME, true))
-          {
-            boolean copyAlignmentIsAligned = false;
-            if (dna)
-            {
-              copyAlignment = AlignmentUtils.makeCdsAlignment(sel, dataset,
-                      xrefsAlignment.getSequencesArray());
-              if (copyAlignment.getHeight() == 0)
-              {
-                JOptionPane.showMessageDialog(AlignFrame.this,
-                        MessageManager.getString("label.cant_map_cds"),
-                        MessageManager.getString("label.operation_failed"),
-                        JOptionPane.OK_OPTION);
-                System.err.println("Failed to make CDS alignment");
-              }
-
-              /*
-               * pending getting Embl transcripts to 'align', 
-               * we are only doing this for Ensembl
-               */
-              // TODO proper criteria for 'can align as cdna'
-              if (DBRefSource.ENSEMBL.equalsIgnoreCase(source)
-                      || AlignmentUtils.looksLikeEnsembl(alignment))
-              {
-                copyAlignment.alignAs(alignment);
-                copyAlignmentIsAligned = true;
-              }
-            }
-            else
-            {
-              copyAlignment = AlignmentUtils.makeCopyAlignment(sel,
-                      xrefs.getSequencesArray(), dataset);
-            }
-            copyAlignment.setGapCharacter(AlignFrame.this.viewport
-                    .getGapCharacter());
-
-            StructureSelectionManager ssm = StructureSelectionManager
-                    .getStructureSelectionManager(Desktop.instance);
-
-            /*
-             * register any new mappings for sequence mouseover etc
-             * (will not duplicate any previously registered mappings)
-             */
-            ssm.registerMappings(dataset.getCodonFrames());
-
-            if (copyAlignment.getHeight() <= 0)
-            {
-              System.err.println("No Sequences generated for xRef type "
-                      + source);
-              return;
-            }
-            /*
-             * align protein to dna
-             */
-            if (dna && copyAlignmentIsAligned)
-            {
-              xrefsAlignment.alignAs(copyAlignment);
-            }
-            else
-            {
-              /*
-               * align cdna to protein - currently only if 
-               * fetching and aligning Ensembl transcripts!
-               */
-              // TODO: generalise for other sources of locus/transcript/cds data
-              if (dna && DBRefSource.ENSEMBL.equalsIgnoreCase(source))
-              {
-                copyAlignment.alignAs(xrefsAlignment);
-              }
-            }
-          }
-          /*
-           * build AlignFrame(s) according to available alignment data
-           */
-          AlignFrame newFrame = new AlignFrame(xrefsAlignment,
-                  DEFAULT_WIDTH, DEFAULT_HEIGHT);
-          if (Cache.getDefault("HIDE_INTRONS", true))
-          {
-            newFrame.hideFeatureColumns(SequenceOntologyI.EXON, false);
-          }
-          String newtitle = String.format("%s %s %s", MessageManager
-                  .getString(dna ? "label.proteins" : "label.nucleotides"),
-                  MessageManager.getString("label.for"), getTitle());
-          newFrame.setTitle(newtitle);
-
-          if (copyAlignment == null)
-          {
-            /*
-             * split frame display is turned off in preferences file
-             */
-            Desktop.addInternalFrame(newFrame, newtitle, DEFAULT_WIDTH,
-                    DEFAULT_HEIGHT);
-            return; // via finally clause
-          }
-          AlignFrame copyThis = new AlignFrame(copyAlignment,
-                  AlignFrame.DEFAULT_WIDTH, AlignFrame.DEFAULT_HEIGHT);
-          copyThis.setTitle(AlignFrame.this.getTitle());
-
-          boolean showSequenceFeatures = viewport.isShowSequenceFeatures();
-          newFrame.setShowSeqFeatures(showSequenceFeatures);
-          copyThis.setShowSeqFeatures(showSequenceFeatures);
-          FeatureRenderer myFeatureStyling = alignPanel.getSeqPanel().seqCanvas
-                  .getFeatureRenderer();
-
-          /*
-           * copy feature rendering settings to split frame
-           */
-          newFrame.alignPanel.getSeqPanel().seqCanvas.getFeatureRenderer()
-                  .transferSettings(myFeatureStyling);
-          copyThis.alignPanel.getSeqPanel().seqCanvas.getFeatureRenderer()
-                  .transferSettings(myFeatureStyling);
-
-          /*
-           * apply 'database source' feature configuration
-           * if any was found
-           */
-          // TODO is this the feature colouring for the original
-          // alignment or the fetched xrefs? either could be Ensembl
-          newFrame.getViewport().applyFeaturesStyle(featureColourScheme);
-          copyThis.getViewport().applyFeaturesStyle(featureColourScheme);
-
-          SplitFrame sf = new SplitFrame(dna ? copyThis : newFrame,
-                  dna ? newFrame : copyThis);
-          newFrame.setVisible(true);
-          copyThis.setVisible(true);
-          String linkedTitle = MessageManager
-                  .getString("label.linked_view_title");
-          Desktop.addInternalFrame(sf, linkedTitle, -1, -1);
-          sf.adjustDivider();
-        } catch (OutOfMemoryError e)
-        {
-          new OOMWarning("whilst fetching crossreferences", e);
-        } catch (Throwable e)
-        {
-          Cache.log.error("Error when finding crossreferences", e);
-        } finally
-        {
-          AlignFrame.this.setProgressBar(MessageManager.formatMessage(
-                  "status.finished_searching_for_sequences_from",
-                  new Object[] { source }), sttime);
-        }
-      }
-
-      /**
-       * Makes an alignment containing the given sequences, and adds them to the
-       * given dataset, which is also set as the dataset for the new alignment
-       * 
-       * TODO: refactor to DatasetI method
-       * 
-       * @param dataset
-       * @param seqs
-       * @return
-       */
-      protected AlignmentI makeCrossReferencesAlignment(AlignmentI dataset,
-              AlignmentI seqs)
-      {
-        SequenceI[] sprods = new SequenceI[seqs.getHeight()];
-        for (int s = 0; s < sprods.length; s++)
-        {
-          sprods[s] = (seqs.getSequenceAt(s)).deriveSequence();
-          if (dataset.getSequences() == null
-                  || !dataset.getSequences().contains(
-                          sprods[s].getDatasetSequence()))
-          {
-            dataset.addSequence(sprods[s].getDatasetSequence());
-          }
-          sprods[s].updatePDBIds();
-        }
-        Alignment al = new Alignment(sprods);
-        al.setDataset(dataset);
-        return al;
-      }
-
-    };
-    Thread frunner = new Thread(foo);
-    frunner.start();
+    new Thread(CrossRefAction.showProductsFor(sel, _odna, source, this))
+            .start();
   }
 
   /**
@@ -4956,8 +4283,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       final String errorTitle = MessageManager
               .getString("label.implementation_error")
               + MessageManager.getString("label.translation_failed");
-      JOptionPane.showMessageDialog(Desktop.desktop, msg, errorTitle,
-              JOptionPane.ERROR_MESSAGE);
+      JvOptionPane.showMessageDialog(Desktop.desktop, msg, errorTitle,
+              JvOptionPane.ERROR_MESSAGE);
       return;
     }
     if (al == null || al.getHeight() == 0)
@@ -4966,8 +4293,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               .getString("label.select_at_least_three_bases_in_at_least_one_sequence_to_cDNA_translation");
       final String errorTitle = MessageManager
               .getString("label.translation_failed");
-      JOptionPane.showMessageDialog(Desktop.desktop, msg, errorTitle,
-              JOptionPane.WARNING_MESSAGE);
+      JvOptionPane.showMessageDialog(Desktop.desktop, msg, errorTitle,
+              JvOptionPane.WARNING_MESSAGE);
     }
     else
     {
@@ -4993,11 +4320,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   /**
    * Set the file format
    * 
-   * @param fileFormat
+   * @param format
    */
-  public void setFileFormat(String fileFormat)
+  public void setFileFormat(FileFormatI format)
   {
-    this.currentFileFormat = fileFormat;
+    this.currentFileFormat = format;
   }
 
   /**
@@ -5005,14 +4332,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * 
    * @param file
    *          contents or path to retrieve file
-   * @param type
+   * @param sourceType
    *          access mode of file (see jalview.io.AlignFile)
    * @return true if features file was parsed correctly.
    */
-  public boolean parseFeaturesFile(String file, String type)
+  public boolean parseFeaturesFile(String file, DataSourceType sourceType)
   {
-    return avc.parseFeaturesFile(file, type,
-            jalview.bin.Cache.getDefault("RELAXEDSEQIDMATCHING", false));
+    return avc.parseFeaturesFile(file, sourceType,
+            Cache.getDefault("RELAXEDSEQIDMATCHING", false));
 
   }
 
@@ -5053,8 +4380,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   public void drop(DropTargetDropEvent evt)
   {
+    // JAL-1552 - acceptDrop required before getTransferable call for
+    // Java's Transferable for native dnd
+    evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
     Transferable t = evt.getTransferable();
-    java.util.List<String> files = new ArrayList<String>(), protocols = new ArrayList<String>();
+    List<String> files = new ArrayList<>();
+    List<DataSourceType> protocols = new ArrayList<>();
 
     try
     {
@@ -5074,19 +4405,19 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         /**
          * Object[] { String,SequenceI}
          */
-        ArrayList<Object[]> filesmatched = new ArrayList<Object[]>();
-        ArrayList<String> filesnotmatched = new ArrayList<String>();
+        ArrayList<Object[]> filesmatched = new ArrayList<>();
+        ArrayList<String> filesnotmatched = new ArrayList<>();
         for (int i = 0; i < files.size(); i++)
         {
           String file = files.get(i).toString();
           String pdbfn = "";
-          String protocol = FormatAdapter.checkProtocol(file);
-          if (protocol == jalview.io.FormatAdapter.FILE)
+          DataSourceType protocol = FormatAdapter.checkProtocol(file);
+          if (protocol == DataSourceType.FILE)
           {
             File fl = new File(file);
             pdbfn = fl.getName();
           }
-          else if (protocol == jalview.io.FormatAdapter.URL)
+          else if (protocol == DataSourceType.URL)
           {
             URL url = new URL(file);
             pdbfn = url.getFile();
@@ -5110,7 +4441,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
             }
             if (mtch != null)
             {
-              String type = null;
+              FileFormatI type = null;
               try
               {
                 type = new IdentifyFile().identify(file, protocol);
@@ -5118,13 +4449,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               {
                 type = null;
               }
-              if (type != null)
+              if (type != null && type.isStructureFile())
               {
-                if (type.equalsIgnoreCase("PDB"))
-                {
-                  filesmatched.add(new Object[] { file, protocol, mtch });
-                  continue;
-                }
+                filesmatched.add(new Object[] { file, protocol, mtch });
+                continue;
               }
             }
             // File wasn't named like one of the sequences or wasn't a PDB file.
@@ -5135,20 +4463,20 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         if (filesmatched.size() > 0)
         {
           if (Cache.getDefault("AUTOASSOCIATE_PDBANDSEQS", false)
-                  || JOptionPane
+                  || JvOptionPane
                           .showConfirmDialog(
                                   this,
                                   MessageManager
                                           .formatMessage(
-                                                  "label.automatically_associate_pdb_files_with_sequences_same_name",
+                                                  "label.automatically_associate_structure_files_with_sequences_same_name",
                                                   new Object[] { Integer
                                                           .valueOf(
                                                                   filesmatched
                                                                           .size())
                                                           .toString() }),
                                   MessageManager
-                                          .getString("label.automatically_associate_pdb_files_by_name"),
-                                  JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION)
+                                          .getString("label.automatically_associate_structure_files_by_name"),
+                                  JvOptionPane.YES_NO_OPTION) == JvOptionPane.YES_OPTION)
 
           {
             for (Object[] fm : filesmatched)
@@ -5160,7 +4488,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               {
                 PDBEntry pe = new AssociatePdbFileWithSeq()
                         .associatePdbWithSeq((String) fm[0],
-                                (String) fm[1], toassoc, false,
+                                (DataSourceType) fm[1], toassoc, false,
                                 Desktop.instance);
                 if (pe != null)
                 {
@@ -5178,7 +4506,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         {
           if (assocfiles > 0
                   && (Cache.getDefault(
-                          "AUTOASSOCIATE_PDBANDSEQS_IGNOREOTHERS", false) || JOptionPane
+                          "AUTOASSOCIATE_PDBANDSEQS_IGNOREOTHERS", false) || JvOptionPane
                           .showConfirmDialog(
                                   this,
                                   "<html>"
@@ -5193,7 +4521,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                                           + "</html>",
                                   MessageManager
                                           .getString("label.ignore_unmatched_dropped_files"),
-                                  JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION))
+                                  JvOptionPane.YES_NO_OPTION) == JvOptionPane.YES_OPTION))
           {
             return;
           }
@@ -5211,29 +4539,32 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   /**
-   * Attempt to load a "dropped" file or URL string: First by testing whether
-   * it's an Annotation file, then a JNet file, and finally a features file. If
-   * all are false then the user may have dropped an alignment file onto this
-   * AlignFrame.
+   * Attempt to load a "dropped" file or URL string, by testing in turn for
+   * <ul>
+   * <li>an Annotation file</li>
+   * <li>a JNet file</li>
+   * <li>a features file</li>
+   * <li>else try to interpret as an alignment file</li>
+   * </ul>
    * 
    * @param file
    *          either a filename or a URL string.
    */
-  public void loadJalviewDataFile(String file, String protocol,
-          String format, SequenceI assocSeq)
+  public void loadJalviewDataFile(String file, DataSourceType sourceType,
+          FileFormatI format, SequenceI assocSeq)
   {
     try
     {
-      if (protocol == null)
+      if (sourceType == null)
       {
-        protocol = FormatAdapter.checkProtocol(file);
+        sourceType = FormatAdapter.checkProtocol(file);
       }
       // if the file isn't identified, or not positively identified as some
       // other filetype (PFAM is default unidentified alignment file type) then
       // try to parse as annotation.
-      boolean isAnnotation = (format == null || format
-              .equalsIgnoreCase("PFAM")) ? new AnnotationFile()
-              .annotateAlignmentView(viewport, file, protocol) : false;
+      boolean isAnnotation = (format == null || FileFormat.Pfam
+              .equals(format)) ? new AnnotationFile()
+              .annotateAlignmentView(viewport, file, sourceType) : false;
 
       if (!isAnnotation)
       {
@@ -5241,13 +4572,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         TCoffeeScoreFile tcf = null;
         try
         {
-          tcf = new TCoffeeScoreFile(file, protocol);
+          tcf = new TCoffeeScoreFile(file, sourceType);
           if (tcf.isValid())
           {
             if (tcf.annotateAlignment(viewport.getAlignment(), true))
             {
-              tcoffeeColour.setEnabled(true);
-              tcoffeeColour.setSelected(true);
+              buildColourMenu();
               changeColour(new TCoffeeColourScheme(viewport.getAlignment()));
               isAnnotation = true;
               statusBar
@@ -5258,7 +4588,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
             {
               // some problem - if no warning its probable that the ID matching
               // process didn't work
-              JOptionPane
+              JvOptionPane
                       .showMessageDialog(
                               Desktop.desktop,
                               tcf.getWarningMessage() == null ? MessageManager
@@ -5266,7 +4596,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                                       : tcf.getWarningMessage(),
                               MessageManager
                                       .getString("label.problem_reading_tcoffee_score_file"),
-                              JOptionPane.WARNING_MESSAGE);
+                              JvOptionPane.WARNING_MESSAGE);
             }
           }
           else
@@ -5287,32 +4617,43 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           // try to parse it as a features file
           if (format == null)
           {
-            format = new IdentifyFile().identify(file, protocol);
+            format = new IdentifyFile().identify(file, sourceType);
+          }
+          if (FileFormat.ScoreMatrix == format)
+          {
+            ScoreMatrixFile sm = new ScoreMatrixFile(new FileParse(file,
+                    sourceType));
+            sm.parse();
+            // todo: i18n this message
+            statusBar
+                    .setText(MessageManager.formatMessage(
+                            "label.successfully_loaded_matrix",
+                            sm.getMatrixName()));
           }
-          if (format.equalsIgnoreCase("JnetFile"))
+          else if (FileFormat.Jnet.equals(format))
           {
-            jalview.io.JPredFile predictions = new jalview.io.JPredFile(
-                    file, protocol);
+            JPredFile predictions = new JPredFile(file, sourceType);
             new JnetAnnotationMaker();
             JnetAnnotationMaker.add_annotation(predictions,
                     viewport.getAlignment(), 0, false);
             SequenceI repseq = viewport.getAlignment().getSequenceAt(0);
             viewport.getAlignment().setSeqrep(repseq);
-            ColumnSelection cs = new ColumnSelection();
+            HiddenColumns cs = new HiddenColumns();
             cs.hideInsertionsFor(repseq);
-            viewport.setColumnSelection(cs);
+            viewport.getAlignment().setHiddenColumns(cs);
             isAnnotation = true;
           }
-          else if (IdentifyFile.FeaturesFile.equals(format))
+          // else if (IdentifyFile.FeaturesFile.equals(format))
+          else if (FileFormat.Features.equals(format))
           {
-            if (parseFeaturesFile(file, protocol))
+            if (parseFeaturesFile(file, sourceType))
             {
               alignPanel.paintAlignment(true);
             }
           }
           else
           {
-            new FileLoader().LoadFile(viewport, file, protocol, format);
+            new FileLoader().LoadFile(viewport, file, sourceType, format);
           }
         }
       }
@@ -5337,8 +4678,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       }
       new OOMWarning(
               "loading data "
-                      + (protocol != null ? (protocol.equals(FormatAdapter.PASTE) ? "from clipboard."
-                              : "using " + protocol + " from " + file)
+                      + (sourceType != null ? (sourceType == DataSourceType.PASTE ? "from clipboard."
+                              : "using " + sourceType + " from " + file)
                               : ".")
                       + (format != null ? "(parsing as '" + format
                               + "' file)" : ""), oom, Desktop.desktop);
@@ -5361,6 +4702,28 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
 
     /*
+     * 'focus' any colour slider that is open to the selected viewport
+     */
+    if (viewport.getConservationSelected())
+    {
+      SliderPanel.setConservationSlider(alignPanel,
+              viewport.getResidueShading(), alignPanel.getViewName());
+    }
+    else
+    {
+      SliderPanel.hideConservationSlider();
+    }
+    if (viewport.getAbovePIDThreshold())
+    {
+      SliderPanel.setPIDSliderSource(alignPanel,
+              viewport.getResidueShading(), alignPanel.getViewName());
+    }
+    else
+    {
+      SliderPanel.hidePIDSlider();
+    }
+
+    /*
      * If there is a frame linked to this one in a SplitPane, switch it to the
      * same view tab index. No infinite recursion of calls should happen, since
      * tabSelectionChanged() should not get invoked on setting the selected
@@ -5387,8 +4750,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     if (e.isPopupTrigger())
     {
       String msg = MessageManager.getString("label.enter_view_name");
-      String reply = JOptionPane.showInternalInputDialog(this, msg, msg,
-              JOptionPane.QUESTION_MESSAGE);
+      String reply = JvOptionPane.showInternalInputDialog(this, msg, msg,
+              JvOptionPane.QUESTION_MESSAGE);
 
       if (reply != null)
       {
@@ -6034,7 +5397,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     {
       return;
     }
-    List<SequenceI> cdnaSeqs = new ArrayList<SequenceI>();
+    List<SequenceI> cdnaSeqs = new ArrayList<>();
     for (SequenceI aaSeq : alignment.getSequences())
     {
       for (AlignedCodonFrame acf : mappings)
@@ -6060,7 +5423,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
     AlignmentI cdna = new Alignment(cdnaSeqs.toArray(new SequenceI[cdnaSeqs
             .size()]));
-    AlignFrame alignFrame = new AlignFrame(cdna, AlignFrame.DEFAULT_WIDTH,
+    GAlignFrame alignFrame = new AlignFrame(cdna, AlignFrame.DEFAULT_WIDTH,
             AlignFrame.DEFAULT_HEIGHT);
     cdna.alignAs(alignment);
     String newtitle = "cDNA " + MessageManager.getString("label.for") + " "
@@ -6127,12 +5490,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       } catch (Exception ex)
       {
         System.err.println((ex.toString()));
-        JOptionPane
+        JvOptionPane
                 .showInternalMessageDialog(Desktop.desktop, MessageManager
                         .getString("label.couldnt_run_groovy_script"),
                         MessageManager
                                 .getString("label.groovy_support_failed"),
-                        JOptionPane.ERROR_MESSAGE);
+                        JvOptionPane.ERROR_MESSAGE);
       }
     }
     else
@@ -6165,6 +5528,55 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
     return false;
   }
+
+  @Override
+  protected void selectHighlightedColumns_actionPerformed(
+          ActionEvent actionEvent)
+  {
+    // include key modifier check in case user selects from menu
+    avc.markHighlightedColumns(
+            (actionEvent.getModifiers() & ActionEvent.ALT_MASK) != 0,
+            true,
+            (actionEvent.getModifiers() & (ActionEvent.META_MASK | ActionEvent.CTRL_MASK)) != 0);
+  }
+
+  /**
+   * Rebuilds the Colour menu, including any user-defined colours which have
+   * been loaded either on startup or during the session
+   */
+  public void buildColourMenu()
+  {
+    colourMenu.removeAll();
+
+    colourMenu.add(applyToAllGroups);
+    colourMenu.add(textColour);
+    colourMenu.addSeparator();
+
+    ColourMenuHelper.addMenuItems(colourMenu, this,
+            viewport.getAlignment(), false);
+
+    colourMenu.addSeparator();
+    colourMenu.add(conservationMenuItem);
+    colourMenu.add(modifyConservation);
+    colourMenu.add(abovePIDThreshold);
+    colourMenu.add(modifyPID);
+    colourMenu.add(annotationColour);
+
+    ColourSchemeI colourScheme = viewport.getGlobalColourScheme();
+    ColourMenuHelper.setColourSelected(colourMenu, colourScheme);
+  }
+
+  /**
+   * Open a dialog (if not already open) that allows the user to select and
+   * calculate PCA or Tree analysis
+   */
+  protected void openTreePcaDialog()
+  {
+    if (alignPanel.getCalculationDialog() == null)
+    {
+      new CalculationChooser(AlignFrame.this);
+    }
+  }
 }
 
 class PrintThread extends Thread