JAL-3446 adds Jmol viewer embedding.
[jalview.git] / src / jalview / gui / AlignFrame.java
index b7d8b3a..1850984 100644 (file)
  */
 package jalview.gui;
 
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Dimension;
+import java.awt.Rectangle;
+import java.awt.Toolkit;
+import java.awt.datatransfer.Clipboard;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.StringSelection;
+import java.awt.datatransfer.Transferable;
+import java.awt.dnd.DnDConstants;
+import java.awt.dnd.DropTargetDragEvent;
+import java.awt.dnd.DropTargetDropEvent;
+import java.awt.dnd.DropTargetEvent;
+import java.awt.dnd.DropTargetListener;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.FocusAdapter;
+import java.awt.event.FocusEvent;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+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;
+import java.util.Deque;
+import java.util.Enumeration;
+import java.util.Hashtable;
+import java.util.List;
+import java.util.Vector;
+
+import javax.swing.ButtonGroup;
+import javax.swing.JCheckBoxMenuItem;
+import javax.swing.JComponent;
+import javax.swing.JEditorPane;
+import javax.swing.JInternalFrame;
+import javax.swing.JLabel;
+import javax.swing.JLayeredPane;
+import javax.swing.JMenu;
+import javax.swing.JMenuItem;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.SwingUtilities;
+
+import ext.vamsas.ServiceHandle;
 import jalview.analysis.AlignmentSorter;
 import jalview.analysis.AlignmentUtils;
 import jalview.analysis.CrossRef;
@@ -27,7 +80,7 @@ import jalview.analysis.Dna;
 import jalview.analysis.GeneticCodeI;
 import jalview.analysis.ParseProperties;
 import jalview.analysis.SequenceIdMatcher;
-import jalview.api.AlignExportSettingI;
+import jalview.api.AlignExportSettingsI;
 import jalview.api.AlignViewControllerGuiI;
 import jalview.api.AlignViewControllerI;
 import jalview.api.AlignViewportI;
@@ -47,6 +100,7 @@ import jalview.commands.RemoveGapColCommand;
 import jalview.commands.RemoveGapsCommand;
 import jalview.commands.SlideSequencesCommand;
 import jalview.commands.TrimRegionCommand;
+import jalview.datamodel.AlignExportSettingsAdapter;
 import jalview.datamodel.AlignedCodonFrame;
 import jalview.datamodel.Alignment;
 import jalview.datamodel.AlignmentAnnotation;
@@ -56,7 +110,6 @@ import jalview.datamodel.AlignmentOrder;
 import jalview.datamodel.AlignmentView;
 import jalview.datamodel.ColumnSelection;
 import jalview.datamodel.HiddenColumns;
-import jalview.datamodel.HiddenSequences;
 import jalview.datamodel.PDBEntry;
 import jalview.datamodel.SeqCigar;
 import jalview.datamodel.Sequence;
@@ -86,11 +139,14 @@ import jalview.io.ScoreMatrixFile;
 import jalview.io.TCoffeeScoreFile;
 import jalview.io.vcf.VCFLoader;
 import jalview.jbgui.GAlignFrame;
+import jalview.project.Jalview2XML;
 import jalview.schemes.ColourSchemeI;
 import jalview.schemes.ColourSchemes;
 import jalview.schemes.ResidueColourScheme;
 import jalview.schemes.TCoffeeColourScheme;
+import jalview.util.ImageMaker.TYPE;
 import jalview.util.MessageManager;
+import jalview.util.Platform;
 import jalview.viewmodel.AlignmentViewport;
 import jalview.viewmodel.ViewportRanges;
 import jalview.ws.DBRefFetcher;
@@ -100,59 +156,13 @@ import jalview.ws.jws2.Jws2Discoverer;
 import jalview.ws.jws2.jabaws2.Jws2Instance;
 import jalview.ws.seqfetcher.DbSourceProxy;
 
-import java.awt.BorderLayout;
-import java.awt.Component;
-import java.awt.Rectangle;
-import java.awt.Toolkit;
-import java.awt.datatransfer.Clipboard;
-import java.awt.datatransfer.DataFlavor;
-import java.awt.datatransfer.StringSelection;
-import java.awt.datatransfer.Transferable;
-import java.awt.dnd.DnDConstants;
-import java.awt.dnd.DropTargetDragEvent;
-import java.awt.dnd.DropTargetDropEvent;
-import java.awt.dnd.DropTargetEvent;
-import java.awt.dnd.DropTargetListener;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.awt.event.FocusAdapter;
-import java.awt.event.FocusEvent;
-import java.awt.event.ItemEvent;
-import java.awt.event.ItemListener;
-import java.awt.event.KeyAdapter;
-import java.awt.event.KeyEvent;
-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;
-import java.util.Deque;
-import java.util.Enumeration;
-import java.util.Hashtable;
-import java.util.List;
-import java.util.Vector;
-
-import javax.swing.ButtonGroup;
-import javax.swing.JCheckBoxMenuItem;
-import javax.swing.JEditorPane;
-import javax.swing.JInternalFrame;
-import javax.swing.JLayeredPane;
-import javax.swing.JMenu;
-import javax.swing.JMenuItem;
-import javax.swing.JScrollPane;
-import javax.swing.SwingUtilities;
-
 /**
  * DOCUMENT ME!
  * 
  * @author $author$
  * @version $Revision$
  */
+@SuppressWarnings("serial")
 public class AlignFrame extends GAlignFrame implements DropTargetListener,
         IProgressIndicator, AlignViewControllerGuiI, ColourChangeListener
 {
@@ -182,6 +192,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    */
   String fileName = null;
 
+  File fileObject;
+
   /**
    * Creates a new AlignFrame object with specific width and height.
    * 
@@ -334,6 +346,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    */
   void init()
   {
+    // setBackground(Color.white); // BH 2019
+
     if (!Jalview.isHeadlessMode())
     {
       progressBar = new ProgressBar(this.statusPanel, this.statusBar);
@@ -379,10 +393,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     });
     buildColourMenu();
 
-    if (Desktop.desktop != null)
+    if (Desktop.getDesktopPane() != null)
     {
       this.setDropTarget(new java.awt.dnd.DropTarget(this, this));
-      addServiceListeners();
+      if (!Platform.isJS())
+      {
+        addServiceListeners();
+      }
       setGUINucleotide();
     }
 
@@ -501,6 +518,17 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   /**
+   * JavaScript will have this, maybe others. More dependable than a file name
+   * and maintains a reference to the actual bytes loaded.
+   * 
+   * @param file
+   */
+  public void setFileObject(File file)
+  {
+    this.fileObject = file;
+  }
+
+  /**
    * Add a KeyListener with handlers for various KeyPressed and KeyReleased
    * events
    */
@@ -525,7 +553,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         {
 
         case 27: // escape key
-          deselectAllSequenceMenuItem_actionPerformed(null);
+          alignPanel.deselectAllSequences();
 
           break;
 
@@ -599,7 +627,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         case KeyEvent.VK_BACK_SPACE:
           if (!viewport.cursorMode)
           {
-            cut_actionPerformed(null);
+            cut_actionPerformed();
           }
           else
           {
@@ -651,7 +679,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
         case KeyEvent.VK_F2:
           viewport.cursorMode = !viewport.cursorMode;
-          statusBar.setText(MessageManager
+          setStatus(MessageManager
                   .formatMessage("label.keyboard_editing_mode", new String[]
                   { (viewport.cursorMode ? "on" : "off") }));
           if (viewport.cursorMode)
@@ -788,7 +816,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   private void addServiceListeners()
   {
     final java.beans.PropertyChangeListener thisListener;
-    Desktop.instance.addJalviewPropertyChangeListener("services",
+    Desktop.getInstance().addJalviewPropertyChangeListener("services",
             thisListener = new java.beans.PropertyChangeListener()
             {
               @Override
@@ -819,10 +847,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               javax.swing.event.InternalFrameEvent evt)
       {
         // System.out.println("deregistering discoverer listener");
-        Desktop.instance.removeJalviewPropertyChangeListener("services",
-                thisListener);
+        Desktop.getInstance().removeJalviewPropertyChangeListener(
+                "services", thisListener);
         closeMenuItem_actionPerformed(true);
-      };
+      }
     });
     // Finally, build the menu once to get current service state
     new Thread(new Runnable()
@@ -992,15 +1020,15 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   @Override
-  public void fetchSequence_actionPerformed(ActionEvent e)
+  public void fetchSequence_actionPerformed()
   {
-    new jalview.gui.SequenceFetcher(this);
+    new SequenceFetcher(this);
   }
 
   @Override
   public void addFromFile_actionPerformed(ActionEvent e)
   {
-    Desktop.instance.inputLocalFileMenuItem_actionPerformed(viewport);
+    Desktop.getInstance().inputLocalFileMenuItem_actionPerformed(viewport);
   }
 
   @Override
@@ -1014,7 +1042,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       // file is reloaded.
       if (FileFormat.Jalview.equals(currentFileFormat))
       {
-        JInternalFrame[] frames = Desktop.desktop.getAllFrames();
+        JInternalFrame[] frames = Desktop.getDesktopPane().getAllFrames();
         for (int i = 0; i < frames.length; i++)
         {
           if (frames[i] instanceof AlignFrame && frames[i] != this
@@ -1024,14 +1052,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
             try
             {
               frames[i].setSelected(true);
-              Desktop.instance.closeAssociatedWindows();
+              Desktop.getInstance().closeAssociatedWindows();
             } catch (java.beans.PropertyVetoException ex)
             {
             }
           }
 
         }
-        Desktop.instance.closeAssociatedWindows();
+        Desktop.getInstance().closeAssociatedWindows();
 
         FileLoader loader = new FileLoader();
         DataSourceType protocol = fileName.startsWith("http:")
@@ -1044,11 +1072,23 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         Rectangle bounds = this.getBounds();
 
         FileLoader loader = new FileLoader();
-        DataSourceType protocol = fileName.startsWith("http:")
-                ? DataSourceType.URL
-                : DataSourceType.FILE;
-        AlignFrame newframe = loader.LoadFileWaitTillLoaded(fileName,
-                protocol, currentFileFormat);
+
+        AlignFrame newframe = null;
+
+        if (fileObject == null)
+        {
+
+          DataSourceType protocol = (fileName.startsWith("http:")
+                  ? DataSourceType.URL
+                  : DataSourceType.FILE);
+          newframe = loader.LoadFileWaitTillLoaded(fileName, protocol,
+                  currentFileFormat);
+        }
+        else
+        {
+          newframe = loader.LoadFileWaitTillLoaded(fileObject,
+                  DataSourceType.FILE, currentFileFormat);
+        }
 
         newframe.setBounds(bounds);
         if (featureSettings != null && featureSettings.isShowing())
@@ -1077,14 +1117,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   public void addFromText_actionPerformed(ActionEvent e)
   {
-    Desktop.instance
+    Desktop.getInstance()
             .inputTextboxMenuItem_actionPerformed(viewport.getAlignPanel());
   }
 
   @Override
   public void addFromURL_actionPerformed(ActionEvent e)
   {
-    Desktop.instance.inputURLMenuItem_actionPerformed(viewport);
+    Desktop.getInstance().inputURLMenuItem_actionPerformed(viewport);
   }
 
   @Override
@@ -1093,7 +1133,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     if (fileName == null || (currentFileFormat == null)
             || fileName.startsWith("http"))
     {
-      saveAs_actionPerformed(null);
+      saveAs_actionPerformed();
     }
     else
     {
@@ -1102,13 +1142,11 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
+   * Saves the alignment to a file with a name chosen by the user, if necessary
+   * warning if a file would be overwritten
    */
   @Override
-  public void saveAs_actionPerformed(ActionEvent e)
+  public void saveAs_actionPerformed()
   {
     String format = currentFileFormat == null ? null
             : currentFileFormat.getName();
@@ -1122,214 +1160,236 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     int value = chooser.showSaveDialog(this);
 
-    if (value == JalviewFileChooser.APPROVE_OPTION)
+    if (value != JalviewFileChooser.APPROVE_OPTION)
     {
+      return;
+    }
+    currentFileFormat = chooser.getSelectedFormat();
+    // todo is this (2005) test now obsolete - value is never null?
+    while (currentFileFormat == null)
+    {
+      JvOptionPane.showInternalMessageDialog(Desktop.getDesktopPane(),
+              MessageManager
+                      .getString("label.select_file_format_before_saving"),
+              MessageManager.getString("label.file_format_not_specified"),
+              JvOptionPane.WARNING_MESSAGE);
       currentFileFormat = chooser.getSelectedFormat();
-      while (currentFileFormat == null)
+      value = chooser.showSaveDialog(this);
+      if (value != JalviewFileChooser.APPROVE_OPTION)
       {
-        JvOptionPane.showInternalMessageDialog(Desktop.desktop,
-                MessageManager.getString(
-                        "label.select_file_format_before_saving"),
-                MessageManager.getString("label.file_format_not_specified"),
-                JvOptionPane.WARNING_MESSAGE);
-        currentFileFormat = chooser.getSelectedFormat();
-        value = chooser.showSaveDialog(this);
-        if (value != JalviewFileChooser.APPROVE_OPTION)
-        {
-          return;
-        }
+        return;
       }
+    }
+
+    fileName = chooser.getSelectedFile().getPath();
 
-      fileName = chooser.getSelectedFile().getPath();
+    Cache.setProperty("DEFAULT_FILE_FORMAT", currentFileFormat.getName());
+    Cache.setProperty("LAST_DIRECTORY", fileName);
+    saveAlignment(fileName, currentFileFormat);
+  }
 
-      Cache.setProperty("DEFAULT_FILE_FORMAT", currentFileFormat.getName());
+  boolean lastSaveSuccessful = false;
+
+  FileFormatI lastFormatSaved;
+
+  String lastFilenameSaved;
+
+  /**
+   * Raise a dialog or status message for the last call to saveAlignment.
+   *
+   * @return true if last call to saveAlignment(file, format) was successful.
+   */
+  public boolean isSaveAlignmentSuccessful()
+  {
+
+    if (!lastSaveSuccessful)
+    {
+      JvOptionPane.showInternalMessageDialog(this, MessageManager
+              .formatMessage("label.couldnt_save_file", new Object[]
+              { lastFilenameSaved }),
+              MessageManager.getString("label.error_saving_file"),
+              JvOptionPane.WARNING_MESSAGE);
+    }
+    else
+    {
+
+      setStatus(MessageManager.formatMessage(
+              "label.successfully_saved_to_file_in_format", new Object[]
+              { lastFilenameSaved, lastFormatSaved }));
 
-      Cache.setProperty("LAST_DIRECTORY", fileName);
-      saveAlignment(fileName, currentFileFormat);
     }
+    return lastSaveSuccessful;
   }
 
-  public boolean saveAlignment(String file, FileFormatI format)
+  /**
+   * Saves the alignment to the specified file path, in the specified format,
+   * which may be an alignment format, or Jalview project format. If the
+   * alignment has hidden regions, or the format is one capable of including
+   * non-sequence data (features, annotations, groups), then the user may be
+   * prompted to specify what to include in the output.
+   * 
+   * @param file
+   * @param format
+   */
+  public void saveAlignment(String file, FileFormatI format)
   {
-    boolean success = true;
+    lastSaveSuccessful = true;
+    lastFilenameSaved = file;
+    lastFormatSaved = format;
 
     if (FileFormat.Jalview.equals(format))
     {
       String shortName = title;
-
-      if (shortName.indexOf(java.io.File.separatorChar) > -1)
+      if (shortName.indexOf(File.separatorChar) > -1)
       {
-        shortName = shortName.substring(
-                shortName.lastIndexOf(java.io.File.separatorChar) + 1);
+        shortName = shortName
+                .substring(shortName.lastIndexOf(File.separatorChar) + 1);
       }
-
-      success = new jalview.project.Jalview2XML().saveAlignment(this, file,
+      lastSaveSuccessful = new Jalview2XML().saveAlignment(this, file,
               shortName);
 
       statusBar.setText(MessageManager.formatMessage(
               "label.successfully_saved_to_file_in_format", new Object[]
               { fileName, format }));
 
+      return;
     }
-    else
+
+    AlignExportSettingsI options = new AlignExportSettingsAdapter(false);
+    Runnable cancelAction = new Runnable()
     {
-      AlignmentExportData exportData = getAlignmentForExport(format,
-              viewport, null);
-      if (exportData.getSettings().isCancelled())
-      {
-        return false;
-      }
-      FormatAdapter f = new FormatAdapter(alignPanel,
-              exportData.getSettings());
-      String output = f.formatSequences(format, exportData.getAlignment(), // class
-                                                                           // cast
-                                                                           // exceptions
-                                                                           // will
-              // occur in the distant future
-              exportData.getOmitHidden(), exportData.getStartEndPostions(),
-              f.getCacheSuffixDefault(format),
-              viewport.getAlignment().getHiddenColumns());
-
-      if (output == null)
+      @Override
+      public void run()
       {
-        success = false;
+        lastSaveSuccessful = false;
       }
-      else
+    };
+    Runnable outputAction = new Runnable()
+    {
+      @Override
+      public void run()
       {
-        // create backupfiles object and get new temp filename destination
-        BackupFiles backupfiles = new BackupFiles(file);
-
-        try
-        {
-          PrintWriter out = new PrintWriter(
-                  new FileWriter(backupfiles.getTempFilePath()));
-
-          out.print(output);
-          out.close();
-          this.setTitle(file);
-          statusBar.setText(MessageManager.formatMessage(
-                  "label.successfully_saved_to_file_in_format", new Object[]
-                  { fileName, format.getName() }));
-        } catch (Exception ex)
+        // todo defer this to inside formatSequences (or later)
+        AlignmentExportData exportData = viewport
+                .getAlignExportData(options);
+        String output = new FormatAdapter(alignPanel, options)
+                .formatSequences(format, exportData.getAlignment(),
+                        exportData.getOmitHidden(),
+                        exportData.getStartEndPostions(),
+                        viewport.getAlignment().getHiddenColumns());
+        if (output == null)
         {
-          success = false;
-          ex.printStackTrace();
+          lastSaveSuccessful = false;
         }
+        else
+        {
+          // create backupfiles object and get new temp filename destination
+          boolean doBackup = BackupFiles.getEnabled();
+          BackupFiles backupfiles = doBackup ? new BackupFiles(file) : null;
+          try
+          {
+            String tempFilePath = doBackup ? backupfiles.getTempFilePath()
+                    : file;
+            PrintWriter out = new PrintWriter(new FileWriter(tempFilePath));
 
-        backupfiles.setWriteSuccess(success);
-        // do the backup file roll and rename the temp file to actual file
-        success = backupfiles.rollBackupsAndRenameTempFile();
+            out.print(output);
+            out.close();
+            AlignFrame.this.setTitle(file);
+            statusBar.setText(MessageManager.formatMessage(
+                    "label.successfully_saved_to_file_in_format",
+                    new Object[]
+                    { fileName, format.getName() }));
+            lastSaveSuccessful = true;
+          } catch (Exception ex)
+          {
+            lastSaveSuccessful = false;
+            ex.printStackTrace();
+          }
 
+          if (doBackup)
+          {
+            backupfiles.setWriteSuccess(lastSaveSuccessful);
+            // do the backup file roll and rename the temp file to actual file
+            lastSaveSuccessful = backupfiles.rollBackupsAndRenameTempFile();
+          }
+        }
       }
-    }
-
-    if (!success)
-    {
-      JvOptionPane.showInternalMessageDialog(this, MessageManager
-              .formatMessage("label.couldnt_save_file", new Object[]
-              { fileName }),
-              MessageManager.getString("label.error_saving_file"),
-              JvOptionPane.WARNING_MESSAGE);
-    }
+    };
 
-    return success;
-  }
-
-  private void warningMessage(String warning, String title)
-  {
-    if (new jalview.util.Platform().isHeadless())
+    /*
+     * show dialog with export options if applicable; else just do it
+     */
+    if (AlignExportOptions.isNeeded(viewport, format))
     {
-      System.err.println("Warning: " + title + "\nWarning: " + warning);
-
+      AlignExportOptions choices = new AlignExportOptions(
+              alignPanel.getAlignViewport(), format, options);
+      choices.setResponseAction(0, outputAction);
+      choices.setResponseAction(1, cancelAction);
+      choices.showDialog();
     }
     else
     {
-      JvOptionPane.showInternalMessageDialog(this, warning, title,
-              JvOptionPane.WARNING_MESSAGE);
+      outputAction.run();
     }
-    return;
   }
 
   /**
-   * DOCUMENT ME!
+   * Outputs the alignment to textbox in the requested format, if necessary
+   * first prompting the user for whether to include hidden regions or
+   * non-sequence data
    * 
-   * @param e
-   *          DOCUMENT ME!
+   * @param fileFormatName
    */
   @Override
-  protected void outputText_actionPerformed(ActionEvent e)
+  protected void outputText_actionPerformed(String fileFormatName)
   {
     FileFormatI fileFormat = FileFormats.getInstance()
-            .forName(e.getActionCommand());
-    AlignmentExportData exportData = getAlignmentForExport(fileFormat,
-            viewport, null);
-    if (exportData.getSettings().isCancelled())
+            .forName(fileFormatName);
+    AlignExportSettingsI options = new AlignExportSettingsAdapter(false);
+    Runnable outputAction = new Runnable()
     {
-      return;
-    }
-    CutAndPasteTransfer cap = new CutAndPasteTransfer();
-    cap.setForInput(null);
-    try
-    {
-      FileFormatI format = fileFormat;
-      cap.setText(new FormatAdapter(alignPanel, exportData.getSettings())
-              .formatSequences(format, exportData.getAlignment(),
-                      exportData.getOmitHidden(),
-                      exportData.getStartEndPostions(),
-                      viewport.getAlignment().getHiddenColumns()));
-      Desktop.addInternalFrame(cap, MessageManager
-              .formatMessage("label.alignment_output_command", new Object[]
-              { e.getActionCommand() }), 600, 500);
-    } catch (OutOfMemoryError oom)
-    {
-      new OOMWarning("Outputting alignment as " + e.getActionCommand(),
-              oom);
-      cap.dispose();
-    }
-
-  }
-
-  public static AlignmentExportData getAlignmentForExport(
-          FileFormatI format, AlignViewportI viewport,
-          AlignExportSettingI exportSettings)
-  {
-    AlignmentI alignmentToExport = null;
-    AlignExportSettingI settings = exportSettings;
-    String[] omitHidden = null;
-
-    HiddenSequences hiddenSeqs = viewport.getAlignment()
-            .getHiddenSequences();
-
-    alignmentToExport = viewport.getAlignment();
-
-    boolean hasHiddenSeqs = hiddenSeqs.getSize() > 0;
-    if (settings == null)
-    {
-      settings = new AlignExportSettings(hasHiddenSeqs,
-              viewport.hasHiddenColumns(), format);
-    }
-    // settings.isExportAnnotations();
-
-    if (viewport.hasHiddenColumns() && !settings.isExportHiddenColumns())
-    {
-      omitHidden = viewport.getViewAsString(false,
-              settings.isExportHiddenSequences());
-    }
+      @Override
+      public void run()
+      {
+        // todo defer this to inside formatSequences (or later)
+        AlignmentExportData exportData = viewport
+                .getAlignExportData(options);
+        CutAndPasteTransfer cap = new CutAndPasteTransfer();
+        cap.setForInput(null);
+        try
+        {
+          FileFormatI format = fileFormat;
+          cap.setText(new FormatAdapter(alignPanel, options)
+                  .formatSequences(format, exportData.getAlignment(),
+                          exportData.getOmitHidden(),
+                          exportData.getStartEndPostions(),
+                          viewport.getAlignment().getHiddenColumns()));
+          Desktop.addInternalFrame(cap, MessageManager.formatMessage(
+                  "label.alignment_output_command", new Object[]
+                  { fileFormat.getName() }), 600, 500);
+        } catch (OutOfMemoryError oom)
+        {
+          new OOMWarning("Outputting alignment as " + fileFormat.getName(),
+                  oom);
+          cap.dispose();
+        }
+      }
+    };
 
-    int[] alignmentStartEnd = new int[2];
-    if (hasHiddenSeqs && settings.isExportHiddenSequences())
+    /*
+     * show dialog with export options if applicable; else just do it
+     */
+    if (AlignExportOptions.isNeeded(viewport, fileFormat))
     {
-      alignmentToExport = hiddenSeqs.getFullAlignment();
+      AlignExportOptions choices = new AlignExportOptions(
+              alignPanel.getAlignViewport(), fileFormat, options);
+      choices.setResponseAction(0, outputAction);
+      choices.showDialog();
     }
     else
     {
-      alignmentToExport = viewport.getAlignment();
+      outputAction.run();
     }
-    alignmentStartEnd = viewport.getAlignment().getHiddenColumns()
-            .getVisibleStartAndEndIndex(alignmentToExport.getWidth());
-    AlignmentExportData ed = new AlignmentExportData(alignmentToExport,
-            omitHidden, alignmentStartEnd, settings);
-    return ed;
   }
 
   /**
@@ -1352,39 +1412,40 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     bjs.exportHTML(null);
   }
 
-  public void createImageMap(File file, String image)
-  {
-    alignPanel.makePNGImageMap(file, image);
-  }
-
   /**
-   * DOCUMENT ME!
+   * Creates a PNG image of the alignment and writes it to the given file. If
+   * the file is null, the user is prompted to choose a file.
    * 
-   * @param e
-   *          DOCUMENT ME!
+   * @param f
    */
   @Override
   public void createPNG(File f)
   {
-    alignPanel.makePNG(f);
+    alignPanel.makeAlignmentImage(TYPE.PNG, f);
   }
 
   /**
-   * DOCUMENT ME!
+   * Creates an EPS image of the alignment and writes it to the given file. If
+   * the file is null, the user is prompted to choose a file.
    * 
-   * @param e
-   *          DOCUMENT ME!
+   * @param f
    */
   @Override
   public void createEPS(File f)
   {
-    alignPanel.makeEPS(f);
+    alignPanel.makeAlignmentImage(TYPE.EPS, f);
   }
 
+  /**
+   * Creates an SVG image of the alignment and writes it to the given file. If
+   * the file is null, the user is prompted to choose a file.
+   * 
+   * @param f
+   */
   @Override
   public void createSVG(File f)
   {
-    alignPanel.makeSVG(f);
+    alignPanel.makeAlignmentImage(TYPE.SVG, f);
   }
 
   @Override
@@ -1423,24 +1484,25 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   public void associatedData_actionPerformed(ActionEvent e)
   {
-    // Pick the tree file
-    JalviewFileChooser chooser = new JalviewFileChooser(
+    final JalviewFileChooser chooser = new JalviewFileChooser(
             jalview.bin.Cache.getProperty("LAST_DIRECTORY"));
     chooser.setFileView(new JalviewFileView());
-    chooser.setDialogTitle(
-            MessageManager.getString("label.load_jalview_annotations"));
-    chooser.setToolTipText(
-            MessageManager.getString("label.load_jalview_annotations"));
-
-    int value = chooser.showOpenDialog(null);
-
-    if (value == JalviewFileChooser.APPROVE_OPTION)
+    String tooltip = MessageManager
+            .getString("label.load_jalview_annotations");
+    chooser.setDialogTitle(tooltip);
+    chooser.setToolTipText(tooltip);
+    chooser.setResponseHandler(0, new Runnable()
     {
-      String choice = chooser.getSelectedFile().getPath();
-      jalview.bin.Cache.setProperty("LAST_DIRECTORY", choice);
-      loadJalviewDataFile(choice, null, null, null);
-    }
+      @Override
+      public void run()
+      {
+        String choice = chooser.getSelectedFile().getPath();
+        jalview.bin.Cache.setProperty("LAST_DIRECTORY", choice);
+        loadJalviewDataFile(chooser.getSelectedFile(), null, null, null);
+      }
+    });
 
+    chooser.showOpenDialog(this);
   }
 
   /**
@@ -1849,7 +1911,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    *          DOCUMENT ME!
    */
   @Override
-  protected void copy_actionPerformed(ActionEvent e)
+  protected void copy_actionPerformed()
   {
     if (viewport.getSelectionGroup() == null)
     {
@@ -1872,14 +1934,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     try
     {
-      jalview.gui.Desktop.internalCopy = true;
+      Desktop.getInstance().internalCopy = true;
       // Its really worth setting the clipboard contents
       // to empty before setting the large StringSelection!!
       Toolkit.getDefaultToolkit().getSystemClipboard()
               .setContents(new StringSelection(""), null);
 
       Toolkit.getDefaultToolkit().getSystemClipboard().setContents(ss,
-              Desktop.instance);
+              Desktop.getInstance());
     } catch (OutOfMemoryError er)
     {
       new OOMWarning("copying region", er);
@@ -1899,9 +1961,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               hiddenCutoff, hiddenOffset);
     }
 
-    Desktop.jalviewClipboard = new Object[] { seqs,
+    Desktop.getInstance().jalviewClipboard = new Object[] { seqs,
         viewport.getAlignment().getDataset(), hiddenColumns };
-    statusBar.setText(MessageManager.formatMessage(
+    setStatus(MessageManager.formatMessage(
             "label.copied_sequences_to_clipboard", new Object[]
             { Integer.valueOf(seqs.length).toString() }));
   }
@@ -1939,6 +2001,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   void paste(boolean newAlignment)
   {
     boolean externalPaste = true;
+    Desktop d = Desktop.getInstance();
     try
     {
       Clipboard c = Toolkit.getDefaultToolkit().getSystemClipboard();
@@ -1971,12 +2034,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       boolean annotationAdded = false;
       AlignmentI alignment = null;
 
-      if (Desktop.jalviewClipboard != null)
+      if (d.jalviewClipboard != null)
       {
         // The clipboard was filled from within Jalview, we must use the
         // sequences
         // And dataset from the copied alignment
-        SequenceI[] newseq = (SequenceI[]) Desktop.jalviewClipboard[0];
+        SequenceI[] newseq = (SequenceI[]) d.jalviewClipboard[0];
         // be doubly sure that we create *new* sequence objects.
         sequences = new SequenceI[newseq.length];
         for (int i = 0; i < newseq.length; i++)
@@ -2001,10 +2064,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       if (newAlignment)
       {
 
-        if (Desktop.jalviewClipboard != null)
+        if (d.jalviewClipboard != null)
         {
           // dataset is inherited
-          alignment.setDataset((Alignment) Desktop.jalviewClipboard[1]);
+          alignment.setDataset((Alignment) d.jalviewClipboard[1]);
         }
         else
         {
@@ -2020,11 +2083,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         alignment = viewport.getAlignment();
         alwidth = alignment.getWidth() + 1;
         // decide if we need to import sequences from an existing dataset
-        boolean importDs = Desktop.jalviewClipboard != null
-                && Desktop.jalviewClipboard[1] != alignment.getDataset();
+        boolean importDs = d.jalviewClipboard != null
+                && d.jalviewClipboard[1] != alignment.getDataset();
         // importDs==true instructs us to copy over new dataset sequences from
         // an existing alignment
-        Vector newDs = (importDs) ? new Vector() : null; // used to create
+        Vector<SequenceI> newDs = (importDs) ? new Vector<>() : null; // used to
+                                                                      // create
         // minimum dataset set
 
         for (int i = 0; i < sequences.length; i++)
@@ -2163,7 +2227,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       {
 
         // propagate alignment changed.
-        viewport.getRanges().setEndSeq(alignment.getHeight());
+        viewport.getRanges().setEndSeq(alignment.getHeight() - 1);
         if (annotationAdded)
         {
           // Duplicate sequence annotation in all views.
@@ -2222,10 +2286,9 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                 DEFAULT_HEIGHT);
         String newtitle = new String("Copied sequences");
 
-        if (Desktop.jalviewClipboard != null
-                && Desktop.jalviewClipboard[2] != null)
+        if (d.jalviewClipboard != null && d.jalviewClipboard[2] != null)
         {
-          HiddenColumns hc = (HiddenColumns) Desktop.jalviewClipboard[2];
+          HiddenColumns hc = (HiddenColumns) d.jalviewClipboard[2];
           af.viewport.setHiddenColumns(hc);
         }
 
@@ -2277,11 +2340,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       AlignFrame af = new AlignFrame(alignment, DEFAULT_WIDTH,
               DEFAULT_HEIGHT);
       String newtitle = new String("Flanking alignment");
-
-      if (Desktop.jalviewClipboard != null
-              && Desktop.jalviewClipboard[2] != null)
+      Desktop d = Desktop.getInstance();
+      if (d.jalviewClipboard != null && d.jalviewClipboard[2] != null)
       {
-        HiddenColumns hc = (HiddenColumns) Desktop.jalviewClipboard[2];
+        HiddenColumns hc = (HiddenColumns) d.jalviewClipboard[2];
         af.viewport.setHiddenColumns(hc);
       }
 
@@ -2318,26 +2380,20 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   }
 
   /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
+   * Action Cut (delete and copy) the selected region
    */
   @Override
-  protected void cut_actionPerformed(ActionEvent e)
+  protected void cut_actionPerformed()
   {
-    copy_actionPerformed(null);
-    delete_actionPerformed(null);
+    copy_actionPerformed();
+    delete_actionPerformed();
   }
 
   /**
-   * DOCUMENT ME!
-   * 
-   * @param e
-   *          DOCUMENT ME!
+   * Performs menu option to Delete the currently selected region
    */
   @Override
-  protected void delete_actionPerformed(ActionEvent evt)
+  protected void delete_actionPerformed()
   {
 
     SequenceGroup sg = viewport.getSelectionGroup();
@@ -2346,51 +2402,61 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       return;
     }
 
-    /*
-     * If the cut affects all sequences, warn, remove highlighted columns
-     */
-    if (sg.getSize() == viewport.getAlignment().getHeight())
+    Runnable okAction = new Runnable()
     {
-      boolean isEntireAlignWidth = (((sg.getEndRes() - sg.getStartRes())
-              + 1) == viewport.getAlignment().getWidth()) ? true : false;
-      if (isEntireAlignWidth)
+      @Override
+      public void run()
       {
-        int confirm = JvOptionPane.showConfirmDialog(this,
-                MessageManager.getString("warn.delete_all"), // $NON-NLS-1$
-                MessageManager.getString("label.delete_all"), // $NON-NLS-1$
-                JvOptionPane.OK_CANCEL_OPTION);
+        SequenceI[] cut = sg.getSequences()
+                .toArray(new SequenceI[sg.getSize()]);
+
+        addHistoryItem(new EditCommand(
+                MessageManager.getString("label.cut_sequences"), Action.CUT,
+                cut, sg.getStartRes(),
+                sg.getEndRes() - sg.getStartRes() + 1,
+                viewport.getAlignment()));
+
+        viewport.setSelectionGroup(null);
+        viewport.sendSelection();
+        viewport.getAlignment().deleteGroup(sg);
 
-        if (confirm == JvOptionPane.CANCEL_OPTION
-                || confirm == JvOptionPane.CLOSED_OPTION)
+        viewport.firePropertyChange("alignment", null,
+                viewport.getAlignment().getSequences());
+        if (viewport.getAlignment().getHeight() < 1)
         {
-          return;
+          try
+          {
+            AlignFrame.this.setClosed(true);
+          } catch (Exception ex)
+          {
+          }
         }
       }
-      viewport.getColumnSelection().removeElements(sg.getStartRes(),
-              sg.getEndRes() + 1);
-    }
-    SequenceI[] cut = sg.getSequences()
-            .toArray(new SequenceI[sg.getSize()]);
+    };
 
-    addHistoryItem(new EditCommand(
-            MessageManager.getString("label.cut_sequences"), Action.CUT,
-            cut, sg.getStartRes(), sg.getEndRes() - sg.getStartRes() + 1,
-            viewport.getAlignment()));
-
-    viewport.setSelectionGroup(null);
-    viewport.sendSelection();
-    viewport.getAlignment().deleteGroup(sg);
-
-    viewport.firePropertyChange("alignment", null,
-            viewport.getAlignment().getSequences());
-    if (viewport.getAlignment().getHeight() < 1)
+    /*
+     * If the cut affects all sequences, prompt for confirmation
+     */
+    boolean wholeHeight = sg.getSize() == viewport.getAlignment()
+            .getHeight();
+    boolean wholeWidth = (((sg.getEndRes() - sg.getStartRes())
+            + 1) == viewport.getAlignment().getWidth()) ? true : false;
+    if (wholeHeight && wholeWidth)
+    {
+      JvOptionPane dialog = JvOptionPane
+              .newOptionDialog(Desktop.getDesktopPane());
+      dialog.setResponseHandler(0, okAction); // 0 = OK_OPTION
+      Object[] options = new Object[] {
+          MessageManager.getString("action.ok"),
+          MessageManager.getString("action.cancel") };
+      dialog.showDialog(MessageManager.getString("warn.delete_all"),
+              MessageManager.getString("label.delete_all"),
+              JvOptionPane.DEFAULT_OPTION, JvOptionPane.PLAIN_MESSAGE, null,
+              options, options[0]);
+    }
+    else
     {
-      try
-      {
-        this.setClosed(true);
-      } catch (Exception ex)
-      {
-      }
+      okAction.run();
     }
   }
 
@@ -2420,18 +2486,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   public void selectAllSequenceMenuItem_actionPerformed(ActionEvent e)
   {
-    SequenceGroup sg = new SequenceGroup(
-            viewport.getAlignment().getSequences());
-
-    sg.setEndRes(viewport.getAlignment().getWidth() - 1);
-    viewport.setSelectionGroup(sg);
-    viewport.isSelectionGroupChanged(true);
-    viewport.sendSelection();
-    // JAL-2034 - should delegate to
-    // alignPanel to decide if overview needs
-    // updating.
-    alignPanel.paintAlignment(false, false);
-    PaintRefresher.Refresh(alignPanel, viewport.getSequenceSetId());
+    alignPanel.selectAllSequences();
   }
 
   /**
@@ -2443,21 +2498,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   public void deselectAllSequenceMenuItem_actionPerformed(ActionEvent e)
   {
-    if (viewport.cursorMode)
-    {
-      alignPanel.getSeqPanel().keyboardNo1 = null;
-      alignPanel.getSeqPanel().keyboardNo2 = null;
-    }
-    viewport.setSelectionGroup(null);
-    viewport.getColumnSelection().clear();
-    viewport.setSelectionGroup(null);
-    alignPanel.getIdPanel().getIdCanvas().searchResults = null;
-    // JAL-2034 - should delegate to
-    // alignPanel to decide if overview needs
-    // updating.
-    alignPanel.paintAlignment(false, false);
-    PaintRefresher.Refresh(alignPanel, viewport.getSequenceSetId());
-    viewport.sendSelection();
+    alignPanel.deselectAllSequences();
   }
 
   /**
@@ -2473,7 +2514,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     if (sg == null)
     {
-      selectAllSequenceMenuItem_actionPerformed(null);
+      alignPanel.selectAllSequences();
 
       return;
     }
@@ -2563,8 +2604,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                 column, viewport.getAlignment());
       }
 
-      statusBar.setText(MessageManager
-              .formatMessage("label.removed_columns", new String[]
+      setStatus(MessageManager.formatMessage("label.removed_columns",
+              new String[]
               { Integer.valueOf(trimRegion.getSize()).toString() }));
 
       addHistoryItem(trimRegion);
@@ -2613,8 +2654,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     addHistoryItem(removeGapCols);
 
-    statusBar.setText(MessageManager
-            .formatMessage("label.removed_empty_columns", new Object[]
+    setStatus(MessageManager.formatMessage("label.removed_empty_columns",
+            new Object[]
             { Integer.valueOf(removeGapCols.getSize()).toString() }));
 
     // This is to maintain viewport position on first residue
@@ -2736,8 +2777,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     if (viewport.getViewName() == null)
     {
-      viewport.setViewName(MessageManager
-              .getString("label.view_name_original"));
+      viewport.setViewName(
+              MessageManager.getString("label.view_name_original"));
     }
 
     /*
@@ -2854,7 +2895,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   public void gatherViews_actionPerformed(ActionEvent e)
   {
-    Desktop.instance.gatherViews(this);
+    Desktop.getInstance().gatherViews(this);
   }
 
   /**
@@ -2974,7 +3015,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * @param toggleSeqs
    * @param toggleCols
    */
-  private void toggleHiddenRegions(boolean toggleSeqs, boolean toggleCols)
+  protected void toggleHiddenRegions(boolean toggleSeqs, boolean toggleCols)
   {
 
     boolean hide = false;
@@ -3249,15 +3290,42 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   @Override
   public void alignmentProperties()
   {
-    JEditorPane editPane = new JEditorPane("text/html", "");
-    editPane.setEditable(false);
+    JComponent pane;
     StringBuffer contents = new AlignmentProperties(viewport.getAlignment())
+
             .formatAsHtml();
-    editPane.setText(
-            MessageManager.formatMessage("label.html_content", new Object[]
-            { contents.toString() }));
+    String content = MessageManager.formatMessage("label.html_content",
+            new Object[]
+            { contents.toString() });
+    contents = null;
+
+    if (Platform.isJS())
+    {
+      JLabel textLabel = new JLabel();
+      textLabel.setText(content);
+      textLabel.setBackground(Color.WHITE);
+
+      pane = new JPanel(new BorderLayout());
+      ((JPanel) pane).setOpaque(true);
+      pane.setBackground(Color.WHITE);
+      ((JPanel) pane).add(textLabel, BorderLayout.NORTH);
+    }
+    else
+    /**
+     * Java only
+     * 
+     * @j2sIgnore
+     */
+    {
+      JEditorPane editPane = new JEditorPane("text/html", "");
+      editPane.setEditable(false);
+      editPane.setText(content);
+      pane = editPane;
+    }
+
     JInternalFrame frame = new JInternalFrame();
-    frame.getContentPane().add(new JScrollPane(editPane));
+
+    frame.getContentPane().add(new JScrollPane(pane));
 
     Desktop.addInternalFrame(frame, MessageManager
             .formatMessage("label.alignment_properties", new Object[]
@@ -3279,12 +3347,36 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     }
 
     JInternalFrame frame = new JInternalFrame();
-    final OverviewPanel overview = new OverviewPanel(alignPanel);
+
+    // BH 2019.07.26 we allow for an embedded
+    // undecorated overview with defined size
+    frame.setName(Platform.getAppID("overview"));
+    //
+    Dimension dim = Platform.getDimIfEmbedded(frame, -1, -1);
+    if (dim != null && dim.width == 0)
+    {
+      dim = null; // hidden, not embedded
+    }
+    OverviewPanel overview = new OverviewPanel(alignPanel, dim);
+
     frame.setContentPane(overview);
+    if (dim == null)
+    {
+      dim = new Dimension();
+      // was frame.getSize(), but that is 0,0 at this point;
+    }
+    else
+    {
+      // we are imbedding, and so we have an undecorated frame
+      // and we can set the the frame dimensions accordingly.
+    }
+    // allowing for unresizable option using, style="resize:none"
+    boolean resizable = (Platform.getEmbeddedAttribute(frame,
+            "resize") != "none");
     Desktop.addInternalFrame(frame, MessageManager
             .formatMessage("label.overview_params", new Object[]
-            { this.getTitle() }), true, frame.getWidth(), frame.getHeight(),
-            true, true);
+            { this.getTitle() }), true, dim.width, dim.height, resizable,
+            true);
     frame.pack();
     frame.setLayer(JLayeredPane.PALETTE_LAYER);
     frame.addInternalFrameListener(
@@ -3296,7 +3388,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               {
                 overview.dispose();
                 alignPanel.setOverviewPanel(null);
-              };
+              }
             });
     if (getKeyListeners().length > 0)
     {
@@ -3366,8 +3458,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
      * otherwise set the chosen colour scheme (or null for 'None')
      */
     ColourSchemeI cs = ColourSchemes.getInstance().getColourScheme(name,
-            viewport,
-            viewport.getAlignment(), viewport.getHiddenRepSequences());
+            viewport, viewport.getAlignment(),
+            viewport.getHiddenRepSequences());
     changeColour(cs);
   }
 
@@ -3611,7 +3703,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       {
         if (_s.getLength() < sg.getEndRes())
         {
-          JvOptionPane.showMessageDialog(Desktop.desktop,
+          JvOptionPane.showMessageDialog(Desktop.getDesktopPane(),
                   MessageManager.getString(
                           "label.selected_region_to_tree_may_only_contain_residues_or_gaps"),
                   MessageManager.getString(
@@ -3643,7 +3735,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     frameTitle += this.title;
 
-    Desktop.addInternalFrame(tp, frameTitle, 600, 500);
+    Dimension dim = Platform.getDimIfEmbedded(tp, 600, 500);
+    Desktop.addInternalFrame(tp, frameTitle, dim.width, dim.height);
   }
 
   /**
@@ -3734,7 +3827,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     {
       sortByAnnotScore.removeAll();
       // almost certainly a quicker way to do this - but we keep it simple
-      Hashtable scoreSorts = new Hashtable();
+      Hashtable<String, String> scoreSorts = new Hashtable<>();
       AlignmentAnnotation aann[];
       for (SequenceI sqa : viewport.getAlignment().getSequences())
       {
@@ -3747,11 +3840,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           }
         }
       }
-      Enumeration labels = scoreSorts.keys();
+      Enumeration<String> labels = scoreSorts.keys();
       while (labels.hasMoreElements())
       {
-        addSortByAnnotScoreMenuItem(sortByAnnotScore,
-                (String) labels.nextElement());
+        addSortByAnnotScoreMenuItem(sortByAnnotScore, labels.nextElement());
       }
       sortByAnnotScore.setVisible(scoreSorts.size() > 0);
       scoreSorts.clear();
@@ -3918,33 +4010,39 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     chooser.setToolTipText(
             MessageManager.getString("label.load_tree_file"));
 
-    int value = chooser.showOpenDialog(null);
-
-    if (value == JalviewFileChooser.APPROVE_OPTION)
+    chooser.setResponseHandler(0, new Runnable()
     {
-      String filePath = chooser.getSelectedFile().getPath();
-      Cache.setProperty("LAST_DIRECTORY", filePath);
-      NewickFile fin = null;
-      try
-      {
-        fin = new NewickFile(filePath, DataSourceType.FILE);
-        viewport.setCurrentTree(showNewickTree(fin, filePath).getTree());
-      } catch (Exception ex)
-      {
-        JvOptionPane.showMessageDialog(Desktop.desktop, ex.getMessage(),
-                MessageManager.getString("label.problem_reading_tree_file"),
-                JvOptionPane.WARNING_MESSAGE);
-        ex.printStackTrace();
-      }
-      if (fin != null && fin.hasWarningMessage())
+      @Override
+      public void run()
       {
-        JvOptionPane.showMessageDialog(Desktop.desktop,
-                fin.getWarningMessage(),
-                MessageManager
-                        .getString("label.possible_problem_with_tree_file"),
-                JvOptionPane.WARNING_MESSAGE);
+        String filePath = chooser.getSelectedFile().getPath();
+        Cache.setProperty("LAST_DIRECTORY", filePath);
+        NewickFile fin = null;
+        try
+        {
+          fin = new NewickFile(new FileParse(chooser.getSelectedFile(),
+                  DataSourceType.FILE));
+          viewport.setCurrentTree(showNewickTree(fin, filePath).getTree());
+        } catch (Exception ex)
+        {
+          JvOptionPane.showMessageDialog(Desktop.getDesktopPane(),
+                  ex.getMessage(),
+                  MessageManager
+                          .getString("label.problem_reading_tree_file"),
+                  JvOptionPane.WARNING_MESSAGE);
+          ex.printStackTrace();
+        }
+        if (fin != null && fin.hasWarningMessage())
+        {
+          JvOptionPane.showMessageDialog(Desktop.getDesktopPane(),
+                  fin.getWarningMessage(),
+                  MessageManager.getString(
+                          "label.possible_problem_with_tree_file"),
+                  JvOptionPane.WARNING_MESSAGE);
+        }
       }
-    }
+    });
+    chooser.showOpenDialog(this);
   }
 
   public TreePanel showNewickTree(NewickFile nf, String treeTitle)
@@ -3990,15 +4088,24 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       if (nf.getTree() != null)
       {
         tp = new TreePanel(alignPanel, nf, treeTitle, input);
-
-        tp.setSize(w, h);
+        Dimension dim = Platform.getDimIfEmbedded(tp, -1, -1);
+        if (dim == null)
+        {
+          dim = new Dimension(w, h);
+        }
+        else
+        {
+          // no offset, either
+          x = 0;
+        }
+        tp.setSize(dim.width, dim.height);
 
         if (x > 0 && y > 0)
         {
           tp.setLocation(x, y);
         }
 
-        Desktop.addInternalFrame(tp, treeTitle, w, h);
+        Desktop.addInternalFrame(tp, treeTitle, dim.width, dim.height);
       }
     } catch (Exception ex)
     {
@@ -4064,9 +4171,12 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
           final JMenu dismenu = new JMenu("Protein Disorder");
           // JAL-940 - only show secondary structure prediction services from
           // the legacy server
+          Hashtable<String, Vector<ServiceHandle>> ds = Discoverer
+                  .getServices();
+
           if (// Cache.getDefault("SHOW_JWS1_SERVICES", true)
               // &&
-          Discoverer.services != null && (Discoverer.services.size() > 0))
+          ds != null && (ds.size() > 0))
           {
             // TODO: refactor to allow list of AbstractName/Handler bindings to
             // be
@@ -4074,15 +4184,13 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
             // No MSAWS used any more:
             // Vector msaws = null; // (Vector)
             // Discoverer.services.get("MsaWS");
-            Vector secstrpr = (Vector) Discoverer.services
-                    .get("SecStrPred");
+            Vector<ServiceHandle> secstrpr = ds.get("SecStrPred");
             if (secstrpr != null)
             {
               // Add any secondary structure prediction services
               for (int i = 0, j = secstrpr.size(); i < j; i++)
               {
-                final ext.vamsas.ServiceHandle sh = (ext.vamsas.ServiceHandle) secstrpr
-                        .get(i);
+                final ext.vamsas.ServiceHandle sh = secstrpr.get(i);
                 jalview.ws.WSMenuEntryProviderI impl = jalview.ws.jws1.Discoverer
                         .getServiceClient(sh);
                 int p = secstrmenu.getItemCount();
@@ -4129,7 +4237,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                 boolean new_sspred = false;
                 if (Cache.getDefault("SHOW_JWS2_SERVICES", true))
                 {
-                  Jws2Discoverer jws2servs = Jws2Discoverer.getDiscoverer();
+                  Jws2Discoverer jws2servs = Jws2Discoverer.getInstance();
                   if (jws2servs != null)
                   {
                     if (jws2servs.hasServices())
@@ -4191,7 +4299,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * 
    * @param webService
    */
-  private void build_urlServiceMenu(JMenu webService)
+  protected void build_urlServiceMenu(JMenu webService)
   {
     // TODO: remove this code when 2.7 is released
     // DEBUG - alignmentView
@@ -4316,8 +4424,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       final String errorTitle = MessageManager
               .getString("label.implementation_error")
               + MessageManager.getString("label.translation_failed");
-      JvOptionPane.showMessageDialog(Desktop.desktop, msg, errorTitle,
-              JvOptionPane.ERROR_MESSAGE);
+      JvOptionPane.showMessageDialog(Desktop.getDesktopPane(), msg,
+              errorTitle, JvOptionPane.ERROR_MESSAGE);
       return;
     }
     if (al == null || al.getHeight() == 0)
@@ -4326,8 +4434,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               "label.select_at_least_three_bases_in_at_least_one_sequence_to_cDNA_translation");
       final String errorTitle = MessageManager
               .getString("label.translation_failed");
-      JvOptionPane.showMessageDialog(Desktop.desktop, msg, errorTitle,
-              JvOptionPane.WARNING_MESSAGE);
+      JvOptionPane.showMessageDialog(Desktop.getDesktopPane(), msg,
+              errorTitle, JvOptionPane.WARNING_MESSAGE);
     }
     else
     {
@@ -4340,7 +4448,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       if (Cache.getDefault(Preferences.ENABLE_SPLIT_FRAME, true))
       {
         final SequenceI[] seqs = viewport.getSelectionAsNewSequence();
-        viewport.openSplitFrame(af, new Alignment(seqs));
+        AlignViewport.openSplitFrame(this, af, new Alignment(seqs));
       }
       else
       {
@@ -4364,13 +4472,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * Try to load a features file onto the alignment.
    * 
    * @param file
-   *          contents or path to retrieve file
+   *          contents or path to retrieve file or a File object
    * @param sourceType
    *          access mode of file (see jalview.io.AlignFile)
    * @return true if features file was parsed correctly.
    */
-  public boolean parseFeaturesFile(String file, DataSourceType sourceType)
+  public boolean parseFeaturesFile(Object file, DataSourceType sourceType)
   {
+    // BH 2018
     return avc.parseFeaturesFile(file, sourceType,
             Cache.getDefault("RELAXEDSEQIDMATCHING", false));
 
@@ -4417,174 +4526,191 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     // Java's Transferable for native dnd
     evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
     Transferable t = evt.getTransferable();
-    final AlignFrame thisaf = this;
-    final List<String> files = new ArrayList<>();
+
+    final List<Object> files = new ArrayList<>();
     List<DataSourceType> protocols = new ArrayList<>();
 
     try
     {
       Desktop.transferFromDropTarget(files, protocols, evt, t);
+      if (files.size() > 0)
+      {
+        new Thread(new Runnable()
+        {
+          @Override
+          public void run()
+          {
+            loadDroppedFiles(files, protocols, evt, t);
+          }
+        }).start();
+      }
     } catch (Exception e)
     {
       e.printStackTrace();
     }
-    if (files != null)
+  }
+
+  protected void loadDroppedFiles(List<Object> files,
+          List<DataSourceType> protocols, DropTargetDropEvent evt,
+          Transferable t)
+  {
+    try
     {
-      new Thread(new Runnable()
+      // check to see if any of these files have names matching sequences
+      // in
+      // the alignment
+      SequenceIdMatcher idm = new SequenceIdMatcher(
+              viewport.getAlignment().getSequencesArray());
+      /**
+       * Object[] { String,SequenceI}
+       */
+      ArrayList<Object[]> filesmatched = new ArrayList<>();
+      ArrayList<Object> filesnotmatched = new ArrayList<>();
+      for (int i = 0; i < files.size(); i++)
       {
-        @Override
-        public void run()
+        // BH 2018
+        Object file = files.get(i);
+        String fileName = file.toString();
+        String pdbfn = "";
+        DataSourceType protocol = (file instanceof File
+                ? DataSourceType.FILE
+                : FormatAdapter.checkProtocol(fileName));
+        if (protocol == DataSourceType.FILE)
         {
-          try
+          File fl;
+          if (file instanceof File)
+          {
+            fl = (File) file;
+            Platform.cacheFileData(fl);
+          }
+          else
           {
-            // check to see if any of these files have names matching sequences
-            // in
-            // the alignment
-            SequenceIdMatcher idm = new SequenceIdMatcher(
-                    viewport.getAlignment().getSequencesArray());
-            /**
-             * Object[] { String,SequenceI}
-             */
-            ArrayList<Object[]> filesmatched = new ArrayList<>();
-            ArrayList<String> filesnotmatched = new ArrayList<>();
-            for (int i = 0; i < files.size(); i++)
+            fl = new File(fileName);
+          }
+          pdbfn = fl.getName();
+        }
+        else if (protocol == DataSourceType.URL)
+        {
+          URL url = new URL(fileName);
+          pdbfn = url.getFile();
+        }
+        if (pdbfn.length() > 0)
+        {
+          // attempt to find a match in the alignment
+          SequenceI[] mtch = idm.findAllIdMatches(pdbfn);
+          int l = 0, c = pdbfn.indexOf(".");
+          while (mtch == null && c != -1)
+          {
+            do
             {
-              String file = files.get(i).toString();
-              String pdbfn = "";
-              DataSourceType protocol = FormatAdapter.checkProtocol(file);
-              if (protocol == DataSourceType.FILE)
-              {
-                File fl = new File(file);
-                pdbfn = fl.getName();
-              }
-              else if (protocol == DataSourceType.URL)
-              {
-                URL url = new URL(file);
-                pdbfn = url.getFile();
-              }
-              if (pdbfn.length() > 0)
-              {
-                // attempt to find a match in the alignment
-                SequenceI[] mtch = idm.findAllIdMatches(pdbfn);
-                int l = 0, c = pdbfn.indexOf(".");
-                while (mtch == null && c != -1)
-                {
-                  do
-                  {
-                    l = c;
-                  } while ((c = pdbfn.indexOf(".", l)) > l);
-                  if (l > -1)
-                  {
-                    pdbfn = pdbfn.substring(0, l);
-                  }
-                  mtch = idm.findAllIdMatches(pdbfn);
-                }
-                if (mtch != null)
-                {
-                  FileFormatI type = null;
-                  try
-                  {
-                    type = new IdentifyFile().identify(file, protocol);
-                  } catch (Exception ex)
-                  {
-                    type = null;
-                  }
-                  if (type != null && type.isStructureFile())
-                  {
-                    filesmatched.add(new Object[] { file, protocol, mtch });
-                    continue;
-                  }
-                }
-                // File wasn't named like one of the sequences or wasn't a PDB
-                // file.
-                filesnotmatched.add(file);
-              }
+              l = c;
+            } while ((c = pdbfn.indexOf(".", l)) > l);
+            if (l > -1)
+            {
+              pdbfn = pdbfn.substring(0, l);
             }
-            int assocfiles = 0;
-            if (filesmatched.size() > 0)
+            mtch = idm.findAllIdMatches(pdbfn);
+          }
+          if (mtch != null)
+          {
+            FileFormatI type;
+            try
             {
-              boolean autoAssociate = Cache
-                      .getDefault("AUTOASSOCIATE_PDBANDSEQS", false);
-              if (!autoAssociate)
-              {
-                String msg = MessageManager.formatMessage(
-                        "label.automatically_associate_structure_files_with_sequences_same_name",
-                        new Object[]
-                        { Integer.valueOf(filesmatched.size())
-                                .toString() });
-                String ttl = MessageManager.getString(
-                        "label.automatically_associate_structure_files_by_name");
-                int choice = JvOptionPane.showConfirmDialog(thisaf, msg,
-                        ttl, JvOptionPane.YES_NO_OPTION);
-                autoAssociate = choice == JvOptionPane.YES_OPTION;
-              }
-              if (autoAssociate)
-              {
-                for (Object[] fm : filesmatched)
-                {
-                  // try and associate
-                  // TODO: may want to set a standard ID naming formalism for
-                  // associating PDB files which have no IDs.
-                  for (SequenceI toassoc : (SequenceI[]) fm[2])
-                  {
-                    PDBEntry pe = new AssociatePdbFileWithSeq()
-                            .associatePdbWithSeq((String) fm[0],
-                                    (DataSourceType) fm[1], toassoc, false,
-                                    Desktop.instance);
-                    if (pe != null)
-                    {
-                      System.err.println("Associated file : "
-                              + ((String) fm[0]) + " with "
-                              + toassoc.getDisplayId(true));
-                      assocfiles++;
-                    }
-                  }
-                  // TODO: do we need to update overview ? only if features are
-                  // shown I guess
-                  alignPanel.paintAlignment(true, false);
-                }
-              }
-              else
-              {
-                /*
-                 * add declined structures as sequences
-                 */
-                for (Object[] o : filesmatched)
-                {
-                  filesnotmatched.add((String) o[0]);
-                }
-              }
+              type = new IdentifyFile().identify(file, protocol);
+            } catch (Exception ex)
+            {
+              type = null;
             }
-            if (filesnotmatched.size() > 0)
+            if (type != null && type.isStructureFile())
             {
-              if (assocfiles > 0 && (Cache.getDefault(
-                      "AUTOASSOCIATE_PDBANDSEQS_IGNOREOTHERS", false)
-                      || JvOptionPane.showConfirmDialog(thisaf,
-                              "<html>" + MessageManager.formatMessage(
-                                      "label.ignore_unmatched_dropped_files_info",
-                                      new Object[]
-                                      { Integer.valueOf(
-                                              filesnotmatched.size())
-                                              .toString() })
-                                      + "</html>",
-                              MessageManager.getString(
-                                      "label.ignore_unmatched_dropped_files"),
-                              JvOptionPane.YES_NO_OPTION) == JvOptionPane.YES_OPTION))
-              {
-                return;
-              }
-              for (String fn : filesnotmatched)
+              filesmatched.add(new Object[] { file, protocol, mtch });
+              continue;
+            }
+          }
+          // File wasn't named like one of the sequences or wasn't a PDB
+          // file.
+          filesnotmatched.add(file);
+        }
+      }
+      int assocfiles = 0;
+      if (filesmatched.size() > 0)
+      {
+        boolean autoAssociate = Cache.getDefault("AUTOASSOCIATE_PDBANDSEQS",
+                false);
+        if (!autoAssociate)
+        {
+          String msg = MessageManager.formatMessage(
+                  "label.automatically_associate_structure_files_with_sequences_same_name",
+                  new Object[]
+                  { Integer.valueOf(filesmatched.size()).toString() });
+          String ttl = MessageManager.getString(
+                  "label.automatically_associate_structure_files_by_name");
+          int choice = JvOptionPane.showConfirmDialog(this, msg, ttl,
+                  JvOptionPane.YES_NO_OPTION);
+          autoAssociate = choice == JvOptionPane.YES_OPTION;
+        }
+        if (autoAssociate)
+        {
+          for (Object[] fm : filesmatched)
+          {
+            // try and associate
+            // TODO: may want to set a standard ID naming formalism for
+            // associating PDB files which have no IDs.
+            for (SequenceI toassoc : (SequenceI[]) fm[2])
+            {
+              PDBEntry pe = new AssociatePdbFileWithSeq()
+                      .associatePdbWithSeq(fm[0].toString(),
+                              (DataSourceType) fm[1], toassoc, false,
+                              Desktop.getInstance());
+              if (pe != null)
               {
-                loadJalviewDataFile(fn, null, null, null);
+                System.err.println("Associated file : " + (fm[0].toString())
+                        + " with " + toassoc.getDisplayId(true));
+                assocfiles++;
               }
-
             }
-          } catch (Exception ex)
+            // TODO: do we need to update overview ? only if features are
+            // shown I guess
+            alignPanel.paintAlignment(true, false);
+          }
+        }
+        else
+        {
+          /*
+           * add declined structures as sequences
+           */
+          for (Object[] o : filesmatched)
           {
-            ex.printStackTrace();
+            filesnotmatched.add(o[0]);
           }
         }
-      }).start();
+      }
+      if (filesnotmatched.size() > 0)
+      {
+        if (assocfiles > 0 && (Cache
+                .getDefault("AUTOASSOCIATE_PDBANDSEQS_IGNOREOTHERS", false)
+                || JvOptionPane.showConfirmDialog(this,
+                        "<html>" + MessageManager.formatMessage(
+                                "label.ignore_unmatched_dropped_files_info",
+                                new Object[]
+                                { Integer.valueOf(filesnotmatched.size())
+                                        .toString() })
+                                + "</html>",
+                        MessageManager.getString(
+                                "label.ignore_unmatched_dropped_files"),
+                        JvOptionPane.YES_NO_OPTION) == JvOptionPane.YES_OPTION))
+        {
+          return;
+        }
+        for (Object fn : filesnotmatched)
+        {
+          loadJalviewDataFile(fn, null, null, null);
+        }
+
+      }
+    } catch (Exception ex)
+    {
+      ex.printStackTrace();
     }
   }
 
@@ -4600,9 +4726,10 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
    * @param file
    *          either a filename or a URL string.
    */
-  public void loadJalviewDataFile(String file, DataSourceType sourceType,
+  public void loadJalviewDataFile(Object file, DataSourceType sourceType,
           FileFormatI format, SequenceI assocSeq)
   {
+    // BH 2018 was String file
     try
     {
       if (sourceType == null)
@@ -4633,14 +4760,14 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               changeColour(
                       new TCoffeeColourScheme(viewport.getAlignment()));
               isAnnotation = true;
-              statusBar.setText(MessageManager.getString(
+              setStatus(MessageManager.getString(
                       "label.successfully_pasted_tcoffee_scores_to_alignment"));
             }
             else
             {
               // some problem - if no warning its probable that the ID matching
               // process didn't work
-              JvOptionPane.showMessageDialog(Desktop.desktop,
+              JvOptionPane.showMessageDialog(Desktop.getDesktopPane(),
                       tcf.getWarningMessage() == null
                               ? MessageManager.getString(
                                       "label.check_file_matches_sequence_ids_alignment")
@@ -4676,7 +4803,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                     new FileParse(file, sourceType));
             sm.parse();
             // todo: i18n this message
-            statusBar.setText(MessageManager.formatMessage(
+            setStatus(MessageManager.formatMessage(
                     "label.successfully_loaded_matrix",
                     sm.getMatrixName()));
           }
@@ -4713,11 +4840,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       }
       if (isAnnotation)
       {
-
-        alignPanel.adjustAnnotationHeight();
-        viewport.updateSequenceIdColours();
-        buildSortByAnnotationScoresMenu();
-        alignPanel.paintAlignment(true, true);
+        updateForAnnotations();
       }
     } catch (Exception ex)
     {
@@ -4741,7 +4864,46 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
                       + (format != null
                               ? "(parsing as '" + format + "' file)"
                               : ""),
-              oom, Desktop.desktop);
+              oom, Desktop.getDesktopPane());
+    }
+  }
+
+  /**
+   * Do all updates necessary after an annotation file such as jnet. Also called
+   * from Jalview.loadAppletParams for "annotations", "jnetFile"
+   */
+
+  public void updateForAnnotations()
+  {
+    alignPanel.adjustAnnotationHeight();
+    viewport.updateSequenceIdColours();
+    buildSortByAnnotationScoresMenu();
+    alignPanel.paintAlignment(true, true);
+  }
+
+  /**
+   * Change the display state for the given feature groups -- Added by BH from
+   * JalviewLite
+   * 
+   * @param groups
+   *          list of group strings
+   * @param state
+   *          visible or invisible
+   */
+  public void setFeatureGroupState(String[] groups, boolean state)
+  {
+    jalview.api.FeatureRenderer fr = null;
+    viewport.setShowSequenceFeatures(true);
+    if (alignPanel != null
+            && (fr = alignPanel.getFeatureRenderer()) != null)
+    {
+
+      fr.setGroupVisibility(Arrays.asList(groups), state);
+      alignPanel.getSeqPanel().seqCanvas.repaint();
+      if (alignPanel.overviewPanel != null)
+      {
+        alignPanel.overviewPanel.updateOverviewImage();
+      }
     }
   }
 
@@ -4825,8 +4987,8 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     if (e.isPopupTrigger())
     {
       String msg = MessageManager.getString("label.enter_view_name");
-      String reply = JvOptionPane.showInternalInputDialog(this, msg, msg,
-              JvOptionPane.QUESTION_MESSAGE);
+      String ttl = tabbedPane.getTitleAt(tabbedPane.getSelectedIndex());
+      String reply = JvOptionPane.showInputDialog(msg, ttl);
 
       if (reply != null)
       {
@@ -4941,7 +5103,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
         trimrs.setSelected(trimrs.isSelected());
         Cache.setProperty(DBRefFetcher.TRIM_RETRIEVED_SEQUENCES,
                 Boolean.valueOf(trimrs.isSelected()).toString());
-      };
+      }
     });
     rfetch.add(trimrs);
     JMenuItem fetchr = new JMenuItem(
@@ -4988,22 +5150,19 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
 
     });
     rfetch.add(fetchr);
-    final AlignFrame me = this;
     new Thread(new Runnable()
     {
       @Override
       public void run()
       {
         final jalview.ws.SequenceFetcher sf = jalview.gui.SequenceFetcher
-                .getSequenceFetcherSingleton(me);
+                .getSequenceFetcherSingleton();
         javax.swing.SwingUtilities.invokeLater(new Runnable()
         {
           @Override
           public void run()
           {
-            String[] dbclasses = sf.getOrderedSupportedSources();
-            // sf.getDbInstances(jalview.ws.dbsources.DasSequenceSource.class);
-            // jalview.util.QuickSort.sort(otherdb, otherdb);
+            String[] dbclasses = sf.getNonAlignmentSources();
             List<DbSourceProxy> otherdb;
             JMenu dfetch = new JMenu();
             JMenu ifetch = new JMenu();
@@ -5020,12 +5179,6 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
               {
                 continue;
               }
-              // List<DbSourceProxy> dbs=otherdb;
-              // otherdb=new ArrayList<DbSourceProxy>();
-              // for (DbSourceProxy db:dbs)
-              // {
-              // if (!db.isA(DBRefSource.ALIGNMENTDB)
-              // }
               if (mname == null)
               {
                 mname = "From " + dbclass;
@@ -5585,7 +5738,7 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
       } catch (Exception ex)
       {
         System.err.println((ex.toString()));
-        JvOptionPane.showInternalMessageDialog(Desktop.desktop,
+        JvOptionPane.showInternalMessageDialog(Desktop.getDesktopPane(),
                 MessageManager.getString("label.couldnt_run_groovy_script"),
                 MessageManager.getString("label.groovy_support_failed"),
                 JvOptionPane.ERROR_MESSAGE);
@@ -5680,20 +5833,24 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
     chooser.setFileView(new JalviewFileView());
     chooser.setDialogTitle(MessageManager.getString("label.load_vcf_file"));
     chooser.setToolTipText(MessageManager.getString("label.load_vcf_file"));
-
-    int value = chooser.showOpenDialog(null);
-
-    if (value == JalviewFileChooser.APPROVE_OPTION)
+    final AlignFrame us = this;
+    chooser.setResponseHandler(0, new Runnable()
     {
-      String choice = chooser.getSelectedFile().getPath();
-      Cache.setProperty("LAST_DIRECTORY", choice);
-      SequenceI[] seqs = viewport.getAlignment().getSequencesArray();
-      new VCFLoader(choice).loadVCF(seqs, this);
-    }
+      @Override
+      public void run()
+      {
+        String choice = chooser.getSelectedFile().getPath();
+        Cache.setProperty("LAST_DIRECTORY", choice);
+        SequenceI[] seqs = viewport.getAlignment().getSequencesArray();
+        new VCFLoader(choice).loadVCF(seqs, us);
+      }
+    });
+    chooser.showOpenDialog(null);
 
   }
 
   private Rectangle lastFeatureSettingsBounds = null;
+
   @Override
   public void setFeatureSettingsGeometry(Rectangle bounds)
   {
@@ -5705,6 +5862,67 @@ public class AlignFrame extends GAlignFrame implements DropTargetListener,
   {
     return lastFeatureSettingsBounds;
   }
+
+  public void scrollTo(int row, int column)
+  {
+    alignPanel.getSeqPanel().scrollTo(row, column);
+  }
+
+  public void scrollToRow(int row)
+  {
+    alignPanel.getSeqPanel().scrollToRow(row);
+  }
+
+  public void scrollToColumn(int column)
+  {
+    alignPanel.getSeqPanel().scrollToColumn(column);
+  }
+
+  /**
+   * BH 2019 from JalviewLite
+   * 
+   * get sequence feature groups that are hidden or shown
+   * 
+   * @param visible
+   *          true is visible
+   * @return list
+   */
+  public String[] getFeatureGroupsOfState(boolean visible)
+  {
+    jalview.api.FeatureRenderer fr = null;
+    if (alignPanel != null
+            && (fr = alignPanel.getFeatureRenderer()) != null)
+    {
+      List<String> gps = fr.getGroups(visible);
+      String[] _gps = gps.toArray(new String[gps.size()]);
+      return _gps;
+    }
+    return null;
+  }
+
+  /**
+   * 
+   * @return list of feature groups on the view
+   */
+  public String[] getFeatureGroups()
+  {
+    jalview.api.FeatureRenderer fr = null;
+    if (alignPanel != null
+            && (fr = alignPanel.getFeatureRenderer()) != null)
+    {
+      List<String> gps = fr.getFeatureGroups();
+      String[] _gps = gps.toArray(new String[gps.size()]);
+      return _gps;
+    }
+    return null;
+  }
+
+  public void select(SequenceGroup sel, ColumnSelection csel,
+          HiddenColumns hidden)
+  {
+    alignPanel.getSeqPanel().selection(sel, csel, hidden, null);
+  }
+
 }
 
 class PrintThread extends Thread