Splash screen is not added using normal method, prevents null paint bug
[jalview.git] / src / jalview / gui / Desktop.java
index 9ebbf5b..263eb18 100755 (executable)
@@ -1,6 +1,6 @@
 /*
  * Jalview - A Sequence Alignment Editor and Viewer
- * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
+ * Copyright (C) 2007 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
 package jalview.gui;
 
 import jalview.io.*;
-
 import java.awt.*;
 import java.awt.datatransfer.*;
 import java.awt.dnd.*;
 import java.awt.event.*;
+import java.lang.reflect.Constructor;
+import java.util.*;
 
 import javax.swing.*;
 
-
 /**
  * DOCUMENT ME!
  *
  * @author $author$
  * @version $Revision$
  */
-public class Desktop extends jalview.jbgui.GDesktop
-    implements DropTargetListener
+public class Desktop
+    extends jalview.jbgui.GDesktop implements DropTargetListener,
+    ClipboardOwner
 {
-    /** DOCUMENT ME!! */
-    public static JDesktopPane desktop;
-    static int openFrameCount = 0;
-    static final int xOffset = 30;
-    static final int yOffset = 30;
-    public static jalview.ws.Discoverer discoverer;
-    /**
-     * Creates a new Desktop object.
-     */
-    public Desktop()
-    {
-        Image image = null;
+  /** DOCUMENT ME!! */
+  public static Desktop instance;
 
-        try
-        {
-            java.net.URL url = getClass().getResource("/images/logo.gif");
+  //Need to decide if the Memory Usage is to be included in
+  //Next release or not.
+ // public static MyDesktopPane desktop;
+   public static JDesktopPane desktop;
 
-            if (url != null)
-            {
-                image = java.awt.Toolkit.getDefaultToolkit().createImage(url);
 
-                MediaTracker mt = new MediaTracker(this);
-                mt.addImage(image, 0);
-                mt.waitForID(0);
-                setIconImage(image);
+  static int openFrameCount = 0;
+  static final int xOffset = 30;
+  static final int yOffset = 30;
+  public static jalview.ws.Discoverer discoverer;
+
+  public static Object[] jalviewClipboard;
+  public static boolean internalCopy = false;
+
+  static int fileLoadingCount = 0;
+
+  /**
+   * Creates a new Desktop object.
+   */
+  public Desktop()
+  {
+    instance = this;
+    doVamsasClientCheck();
+    doGroovyCheck();
+
+
+    setTitle("Jalview " + jalview.bin.Cache.getProperty("VERSION"));
+    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+    desktop = new JDesktopPane();
+    desktop.setBackground(Color.white);
+    getContentPane().setLayout(new BorderLayout());
+    getContentPane().add(desktop, BorderLayout.CENTER);
+    desktop.setDragMode(JDesktopPane.OUTLINE_DRAG_MODE);
+
+    // This line prevents Windows Look&Feel resizing all new windows to maximum
+    // if previous window was maximised
+    desktop.setDesktopManager(new DefaultDesktopManager());
+
+    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+    String x = jalview.bin.Cache.getProperty("SCREEN_X");
+    String y = jalview.bin.Cache.getProperty("SCREEN_Y");
+    String width = jalview.bin.Cache.getProperty("SCREEN_WIDTH");
+    String height = jalview.bin.Cache.getProperty("SCREEN_HEIGHT");
+
+    if ( (x != null) && (y != null) && (width != null) && (height != null))
+    {
+      setBounds(Integer.parseInt(x), Integer.parseInt(y),
+                Integer.parseInt(width), Integer.parseInt(height));
+    }
+    else
+    {
+      setBounds( (int) (screenSize.width - 900) / 2,
+                (int) (screenSize.height - 650) / 2, 900, 650);
+    }
+
+    this.addWindowListener(new WindowAdapter()
+    {
+      public void windowClosing(WindowEvent evt)
+      {
+        quit();
+      }
+    });
+
+    this.addMouseListener(new MouseAdapter()
+        {
+          public void mousePressed(MouseEvent evt)
+          {
+            if(SwingUtilities.isRightMouseButton(evt))
+            {
+              showPasteMenu(evt.getX(), evt.getY());
             }
-        }
-        catch (Exception ex)
+          }
+        });
+
+
+    this.setDropTarget(new java.awt.dnd.DropTarget(desktop, this));
+
+    /////////Add a splashscreen on startup
+    /////////Add a splashscreen on startup
+    new SplashScreen();
+
+
+    discoverer = new jalview.ws.Discoverer(); // Only gets started if gui is displayed.
+  }
+
+  private void doVamsasClientCheck()
+  {
+    if (jalview.bin.Cache.vamsasJarsPresent())
+    {
+      VamsasMenu.setVisible(true);
+      vamsasLoad.setVisible(true);
+    }
+  }
+
+  void showPasteMenu(int x, int y)
+  {
+    JPopupMenu popup = new JPopupMenu();
+    JMenuItem item = new JMenuItem("Paste To New Window");
+    item.addActionListener(new ActionListener()
+    {
+      public void actionPerformed(ActionEvent evt)
+      {
+        paste();
+      }
+    });
+
+    popup.add(item);
+    popup.show(this, x, y);
+  }
+
+  public void paste()
+  {
+    try
+    {
+      Clipboard c = Toolkit.getDefaultToolkit().getSystemClipboard();
+      Transferable contents = c.getContents(this);
+
+      if (contents != null)
+      {
+        String file = (String) contents
+            .getTransferData(DataFlavor.stringFlavor);
+
+        String format = new IdentifyFile().Identify(file,
+                                                    FormatAdapter.PASTE);
+
+        new FileLoader().LoadFile(file, FormatAdapter.PASTE, format);
+
+      }
+    }
+    catch (Exception ex)
+    {
+      System.out.println("Unable to paste alignment from system clipboard:\n"
+                         + ex);
+    }
+  }
+
+  /**
+   * DOCUMENT ME!
+   *
+   * @param frame DOCUMENT ME!
+   * @param title DOCUMENT ME!
+   * @param w DOCUMENT ME!
+   * @param h DOCUMENT ME!
+   */
+  public static synchronized void addInternalFrame(final JInternalFrame frame,
+      String title, int w, int h)
+  {
+    addInternalFrame(frame, title, w, h, true);
+  }
+
+  /**
+   * DOCUMENT ME!
+   *
+   * @param frame DOCUMENT ME!
+   * @param title DOCUMENT ME!
+   * @param w DOCUMENT ME!
+   * @param h DOCUMENT ME!
+   * @param resizable DOCUMENT ME!
+   */
+  public static synchronized void addInternalFrame(final JInternalFrame frame,
+      String title, int w, int h, boolean resizable)
+  {
+
+    frame.setTitle(title);
+    if (frame.getWidth() < 1 || frame.getHeight() < 1)
+    {
+      frame.setSize(w, h);
+    }
+    // THIS IS A PUBLIC STATIC METHOD, SO IT MAY BE CALLED EVEN IN
+    // A HEADLESS STATE WHEN NO DESKTOP EXISTS. MUST RETURN
+    // IF JALVIEW IS RUNNING HEADLESS
+    /////////////////////////////////////////////////
+    if (System.getProperty("java.awt.headless") != null
+        && System.getProperty("java.awt.headless").equals("true"))
+    {
+      return;
+    }
+
+    openFrameCount++;
+
+    frame.setVisible(true);
+    frame.setClosable(true);
+    frame.setResizable(resizable);
+    frame.setMaximizable(resizable);
+    frame.setIconifiable(resizable);
+    frame.setFrameIcon(null);
+
+    if (frame.getX() < 1 && frame.getY() < 1)
+    {
+      frame.setLocation(xOffset * openFrameCount,
+                        yOffset * ( (openFrameCount - 1) % 10) + yOffset);
+    }
+
+    final JMenuItem menuItem = new JMenuItem(title);
+    frame.addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()
+    {
+      public void internalFrameActivated(javax.swing.event.
+                                         InternalFrameEvent evt)
+      {
+        JInternalFrame itf = desktop.getSelectedFrame();
+        if (itf != null)
         {
+          itf.requestFocus();
         }
 
-        setTitle("Jalview 2005");
-        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-        desktop = new JDesktopPane();
-        desktop.setBackground(Color.white);
-        setContentPane(desktop);
-        desktop.setDragMode(JDesktopPane.OUTLINE_DRAG_MODE);
-
-        // This line prevents Windows Look&Feel resizing all new windows to maximum
-        // if previous window was maximised
-        desktop.setDesktopManager(new DefaultDesktopManager());
+      }
 
-        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
-        String x = jalview.bin.Cache.getProperty("SCREEN_X");
-        String y = jalview.bin.Cache.getProperty("SCREEN_Y");
-        String width = jalview.bin.Cache.getProperty("SCREEN_WIDTH");
-        String height = jalview.bin.Cache.getProperty("SCREEN_HEIGHT");
+      public void internalFrameClosed(
+          javax.swing.event.InternalFrameEvent evt)
+      {
+        PaintRefresher.RemoveComponent(frame);
+        openFrameCount--;
+        windowMenu.remove(menuItem);
+        JInternalFrame itf = desktop.getSelectedFrame();
+        if (itf != null)
+        {
+          itf.requestFocus();
+        }
+        System.gc();
+      }
+      ;
+    });
 
-        if ((x != null) && (y != null) && (width != null) && (height != null))
+    menuItem.addActionListener(new ActionListener()
+    {
+      public void actionPerformed(ActionEvent e)
+      {
+        try
         {
-            setBounds(Integer.parseInt(x), Integer.parseInt(y),
-                Integer.parseInt(width), Integer.parseInt(height));
+          frame.setSelected(true);
+          frame.setIcon(false);
         }
-        else
+        catch (java.beans.PropertyVetoException ex)
         {
-            setBounds((int) (screenSize.width - 900) / 2,
-                (int) (screenSize.height - 650) / 2, 900, 650);
+
         }
+      }
+    });
 
-        this.addWindowListener(new WindowAdapter()
-            {
-                public void windowClosing(WindowEvent evt)
-                {
-                    quit();
-                }
-            });
+    windowMenu.add(menuItem);
+
+    desktop.add(frame);
+    frame.toFront();
+    try
+    {
+      frame.setSelected(true);
+      frame.requestFocus();
+    }
+    catch (java.beans.PropertyVetoException ve)
+    {}
+  }
+
+  public void lostOwnership(Clipboard clipboard, Transferable contents)
+  {
+    if (!internalCopy)
+    {
+      Desktop.jalviewClipboard = null;
+    }
+
+    internalCopy = false;
+  }
 
-        this.setDropTarget(new java.awt.dnd.DropTarget(desktop, this));
+  public void dragEnter(DropTargetDragEvent evt)
+  {}
 
-        /////////Add a splashscreen on startup
-        /////////Add a splashscreen on startup
-        JInternalFrame frame = new JInternalFrame();
+  public void dragExit(DropTargetEvent evt)
+  {}
 
-        SplashScreen splash = new SplashScreen(frame, image);
-        frame.setContentPane(splash);
-        frame.setLayer(JLayeredPane.PALETTE_LAYER);
-        frame.setLocation((int) ((getWidth() - 750) / 2),
-            (int) ((getHeight() - 160) / 2));
+  public void dragOver(DropTargetDragEvent evt)
+  {}
 
-        addInternalFrame(frame, "", 750, 160, false);
+  public void dropActionChanged(DropTargetDragEvent evt)
+  {}
 
-        discoverer=new jalview.ws.Discoverer(); // Only gets started if gui is displayed.
+  /**
+   * DOCUMENT ME!
+   *
+   * @param evt DOCUMENT ME!
+   */
+  public void drop(DropTargetDropEvent evt)
+  {
+    Transferable t = evt.getTransferable();
+    java.util.List files = null;
+
+    try
+    {
+      DataFlavor uriListFlavor = new DataFlavor(
+          "text/uri-list;class=java.lang.String");
+      if (t.isDataFlavorSupported(DataFlavor.javaFileListFlavor))
+      {
+        //Works on Windows and MacOSX
+        evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
+        files = (java.util.List) t.getTransferData(DataFlavor.
+            javaFileListFlavor);
+      }
+      else if (t.isDataFlavorSupported(uriListFlavor))
+      {
+        // This is used by Unix drag system
+        evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
+        String data = (String) t.getTransferData(uriListFlavor);
+        files = new java.util.ArrayList(1);
+        for (java.util.StringTokenizer st = new java.util.StringTokenizer(
+            data,
+            "\r\n");
+             st.hasMoreTokens(); )
+        {
+          String s = st.nextToken();
+          if (s.startsWith("#"))
+          {
+            // the line is a comment (as per the RFC 2483)
+            continue;
+          }
+
+          java.net.URI uri = new java.net.URI(s);
+          java.io.File file = new java.io.File(uri);
+          files.add(file);
+        }
+      }
     }
+    catch (Exception e)
+    {}
 
-    /**
-     * DOCUMENT ME!
-     *
-     * @param frame DOCUMENT ME!
-     * @param title DOCUMENT ME!
-     * @param w DOCUMENT ME!
-     * @param h DOCUMENT ME!
-     */
-    public static synchronized void addInternalFrame(final JInternalFrame frame,
-        String title, int w, int h)
+    if (files != null)
     {
-        addInternalFrame(frame, title, w, h, true);
+      try
+      {
+        for (int i = 0; i < files.size(); i++)
+        {
+          String file = files.get(i).toString();
+          String protocol = FormatAdapter.FILE;
+          String format = null;
+
+          if (file.endsWith(".jar"))
+          {
+            format = "Jalview";
+
+          }
+          else
+          {
+            format = new IdentifyFile().Identify(file,
+                                                 protocol);
+          }
+
+          new FileLoader().LoadFile(file, protocol, format);
+
+        }
+      }
+      catch (Exception ex)
+      {}
     }
+  }
+
+  /**
+   * DOCUMENT ME!
+   *
+   * @param e DOCUMENT ME!
+   */
+  public void inputLocalFileMenuItem_actionPerformed(AlignViewport viewport)
+  {
+    JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.
+        getProperty(
+            "LAST_DIRECTORY"),
+        new String[]
+        {
+        "fa, fasta, fastq", "aln", "pfam", "msf", "pir", "blc",
+        "jar"
+    },
+        new String[]
+        {
+        "Fasta", "Clustal", "PFAM", "MSF", "PIR", "BLC", "Jalview"
+    }, jalview.bin.Cache.getProperty("DEFAULT_FILE_FORMAT"));
+
+    chooser.setFileView(new JalviewFileView());
+    chooser.setDialogTitle("Open local file");
+    chooser.setToolTipText("Open");
+
+    int value = chooser.showOpenDialog(this);
 
-    /**
-     * DOCUMENT ME!
-     *
-     * @param frame DOCUMENT ME!
-     * @param title DOCUMENT ME!
-     * @param w DOCUMENT ME!
-     * @param h DOCUMENT ME!
-     * @param resizable DOCUMENT ME!
-     */
-    public static synchronized void addInternalFrame(final JInternalFrame frame,
-        String title, int w, int h, boolean resizable)
+    if (value == JalviewFileChooser.APPROVE_OPTION)
     {
+      String choice = chooser.getSelectedFile().getPath();
+      jalview.bin.Cache.setProperty("LAST_DIRECTORY",
+                                    chooser.getSelectedFile().getParent());
 
-      frame.setTitle(title);
-      if(frame.getWidth()<1 || frame.getHeight()<1)
+      String format = null;
+      if (chooser.getSelectedFormat().equals("Jalview"))
       {
-        frame.setSize(w, h);
+        format = "Jalview";
       }
-      // THIS IS A PUBLIC STATIC METHOD, SO IT MAY BE CALLED EVEN IN
-      // A HEADLESS STATE WHEN NO DESKTOP EXISTS. MUST RETURN
-      // IF JALVIEW IS RUNNING HEADLESS
-      /////////////////////////////////////////////////
-      if (System.getProperty("java.awt.headless") != null
-          && System.getProperty("java.awt.headless").equals("true"))
+      else
       {
-        return;
+        format = new IdentifyFile().Identify(choice, FormatAdapter.FILE);
       }
 
+      if (viewport != null)
+      {
+        new FileLoader().LoadFile(viewport, choice, FormatAdapter.FILE, format);
+      }
+      else
+      {
+        new FileLoader().LoadFile(choice, FormatAdapter.FILE, format);
+      }
+    }
+  }
+
+  /**
+   * DOCUMENT ME!
+   *
+   * @param e DOCUMENT ME!
+   */
+  public void inputURLMenuItem_actionPerformed(AlignViewport viewport)
+  {
+    // This construct allows us to have a wider textfield
+    // for viewing
+    JLabel label = new JLabel("Enter URL of Input File");
+    final JComboBox history = new JComboBox();
+
+    JPanel panel = new JPanel(new GridLayout(2, 1));
+    panel.add(label);
+    panel.add(history);
+    history.setPreferredSize(new Dimension(400, 20));
+    history.setEditable(true);
+    history.addItem("http://www.");
+
+    String historyItems = jalview.bin.Cache.getProperty("RECENT_URL");
+
+    StringTokenizer st;
+
+    if (historyItems != null)
+    {
+      st = new StringTokenizer(historyItems, "\t");
 
-        openFrameCount++;
+      while (st.hasMoreTokens())
+      {
+        history.addItem(st.nextElement());
+      }
+    }
 
-        frame.setVisible(true);
-        frame.setClosable(true);
-        frame.setResizable(resizable);
-        frame.setMaximizable(resizable);
-        frame.setIconifiable(resizable);
-        frame.setFrameIcon(null);
+    int reply = JOptionPane.showInternalConfirmDialog(desktop,
+        panel, "Input Alignment From URL",
+        JOptionPane.OK_CANCEL_OPTION);
 
-        if (frame.getX()<1 && frame.getY()<1)
-       {
-         frame.setLocation(xOffset * openFrameCount, yOffset * ((openFrameCount-1)%10)+yOffset);
-       }
+    if (reply != JOptionPane.OK_OPTION)
+    {
+      return;
+    }
 
-       desktop.add(frame);
-       try
-       {
-         frame.setSelected(true);
-         frame.toFront();
-       }
-       catch (Exception e)
-       {
-         System.out.println("got it " + e);
-       }
+    String url = history.getSelectedItem().toString();
 
+    if (url.toLowerCase().endsWith(".jar"))
+    {
+      if (viewport != null)
+      {
+        new FileLoader().LoadFile(viewport, url, FormatAdapter.URL, "Jalview");
+      }
+      else
+      {
+        new FileLoader().LoadFile(url, FormatAdapter.URL, "Jalview");
+      }
+    }
+    else
+    {
+      String format = new IdentifyFile().Identify(url, FormatAdapter.URL);
 
-        final JMenuItem menuItem = new JMenuItem(title);
-        frame.addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()
-            {
-                public void internalFrameClosed(
-                    javax.swing.event.InternalFrameEvent evt)
-                {
-                    openFrameCount--;
-                    windowMenu.remove(menuItem);
-                }
-                ;
-            });
-
-        menuItem.addActionListener(new ActionListener()
-            {
-                public void actionPerformed(ActionEvent e)
-                {
-                    try
-                    {
-                        frame.setSelected(true);
-                        frame.setIcon(false);
-                    }
-                    catch (java.beans.PropertyVetoException ex)
-                    {
+      if (format.equals("URL NOT FOUND"))
+      {
+        JOptionPane.showInternalMessageDialog(Desktop.desktop,
+                                              "Couldn't locate " + url,
+                                              "URL not found",
+                                              JOptionPane.WARNING_MESSAGE);
 
-                    }
-                }
-            });
+        return;
+      }
 
-        windowMenu.add(menuItem);
+      if (viewport != null)
+      {
+        new FileLoader().LoadFile(viewport, url, FormatAdapter.URL, format);
+      }
+      else
+      {
+        new FileLoader().LoadFile(url, FormatAdapter.URL, format);
+      }
     }
-
-    /**
-     * DOCUMENT ME!
-     *
-     * @param evt DOCUMENT ME!
-     */
-    public void dragEnter(DropTargetDragEvent evt)
+  }
+
+  /**
+   * DOCUMENT ME!
+   *
+   * @param e DOCUMENT ME!
+   */
+  public void inputTextboxMenuItem_actionPerformed(AlignViewport viewport)
+  {
+    CutAndPasteTransfer cap = new CutAndPasteTransfer();
+    cap.setForInput(viewport);
+    Desktop.addInternalFrame(cap, "Cut & Paste Alignment File", 600, 500);
+  }
+
+  /*
+   * Exit the program
+   */
+  public void quit()
+  {
+    jalview.bin.Cache.setProperty("SCREEN_X", getBounds().x + "");
+    jalview.bin.Cache.setProperty("SCREEN_Y", getBounds().y + "");
+    jalview.bin.Cache.setProperty("SCREEN_WIDTH", getWidth() + "");
+    jalview.bin.Cache.setProperty("SCREEN_HEIGHT", getHeight() + "");
+    System.exit(0);
+  }
+
+  /**
+   * DOCUMENT ME!
+   *
+   * @param e DOCUMENT ME!
+   */
+  public void aboutMenuItem_actionPerformed(ActionEvent e)
+  {
+    StringBuffer message = new StringBuffer("JalView version " +
+                                            jalview.bin.Cache.getProperty(
+                                                "VERSION") +
+                                            "; last updated: " +
+                                            jalview.bin.
+                                            Cache.getDefault("BUILD_DATE",
+        "unknown"));
+
+    if (!jalview.bin.Cache.getProperty("LATEST_VERSION").equals(
+        jalview.bin.Cache.getProperty("VERSION")))
     {
+      message.append("\n\n!! Jalview version "
+                     + jalview.bin.Cache.getProperty("LATEST_VERSION")
+                     +
+          " is available for download from http://www.jalview.org !!\n");
+
     }
 
-    /**
-     * DOCUMENT ME!
-     *
-     * @param evt DOCUMENT ME!
-     */
-    public void dragExit(DropTargetEvent evt)
+    message.append("\nAuthors:  Michele Clamp, James Cuff, Steve Searle, Andrew Waterhouse, Jim Procter & Geoff Barton." +
+                   "\nCurrent development managed by Andrew Waterhouse; Barton Group, University of Dundee." +
+                   "\nFor all issues relating to Jalview, email help@jalview.org" +
+                   "\n\nIf  you use JalView, please cite:" +
+                   "\n\"Clamp, M., Cuff, J., Searle, S. M. and Barton, G. J. (2004), The Jalview Java Alignment Editor\"" +
+                   "\nBioinformatics,  2004 20;426-7.");
+
+    JOptionPane.showInternalMessageDialog(Desktop.desktop,
+
+                                          message.toString(), "About Jalview",
+                                          JOptionPane.INFORMATION_MESSAGE);
+  }
+
+  /**
+   * DOCUMENT ME!
+   *
+   * @param e DOCUMENT ME!
+   */
+  public void documentationMenuItem_actionPerformed(ActionEvent e)
+  {
+    try
     {
-    }
+      ClassLoader cl = jalview.gui.Desktop.class.getClassLoader();
+      java.net.URL url = javax.help.HelpSet.findHelpSet(cl, "help/help");
+      javax.help.HelpSet hs = new javax.help.HelpSet(cl, url);
 
-    /**
-     * DOCUMENT ME!
-     *
-     * @param evt DOCUMENT ME!
-     */
-    public void dragOver(DropTargetDragEvent evt)
+      javax.help.HelpBroker hb = hs.createHelpBroker();
+      hb.setCurrentID("home");
+      hb.setDisplayed(true);
+    }
+    catch (Exception ex)
+    {}
+  }
+
+  public void closeAll_actionPerformed(ActionEvent e)
+  {
+    JInternalFrame[] frames = desktop.getAllFrames();
+    for (int i = 0; i < frames.length; i++)
     {
+      try
+      {
+        frames[i].setClosed(true);
+      }
+      catch (java.beans.PropertyVetoException ex)
+      {}
     }
+    System.out.println("ALL CLOSED");
+
+  }
+
+  public void raiseRelated_actionPerformed(ActionEvent e)
+  {
+    reorderAssociatedWindows(false, false);
+  }
 
-    /**
-     * DOCUMENT ME!
-     *
-     * @param evt DOCUMENT ME!
-     */
-    public void dropActionChanged(DropTargetDragEvent evt)
+  public void minimizeAssociated_actionPerformed(ActionEvent e)
+  {
+    reorderAssociatedWindows(true, false);
+  }
+
+  void closeAssociatedWindows()
+  {
+    reorderAssociatedWindows(false, true);
+  }
+
+  void reorderAssociatedWindows(boolean minimize, boolean close)
+  {
+    JInternalFrame[] frames = desktop.getAllFrames();
+    if (frames == null || frames.length < 1)
     {
+      return;
     }
 
-    /**
-     * DOCUMENT ME!
-     *
-     * @param evt DOCUMENT ME!
-     */
-    public void drop(DropTargetDropEvent evt)
+    AlignViewport source = null, target = null;
+    if (frames[0] instanceof AlignFrame)
+    {
+      source = ( (AlignFrame) frames[0]).getCurrentView();
+    }
+    else if (frames[0] instanceof TreePanel)
     {
-        Transferable t = evt.getTransferable();
+      source = ( (TreePanel) frames[0]).getViewPort();
+    }
+    else if (frames[0] instanceof PCAPanel)
+    {
+      source = ( (PCAPanel) frames[0]).av;
+    }
+    else if (frames[0].getContentPane() instanceof PairwiseAlignPanel)
+    {
+      source = ( (PairwiseAlignPanel) frames[0].getContentPane()).av;
+    }
 
-        if (!t.isDataFlavorSupported(DataFlavor.javaFileListFlavor))
+    if (source != null)
+    {
+      for (int i = 0; i < frames.length; i++)
+      {
+        target = null;
+        if (frames[i] == null)
         {
-            return;
+          continue;
         }
-
-        evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
-
-        try
+        if (frames[i] instanceof AlignFrame)
         {
-            java.util.List files = (java.util.List) t.getTransferData(DataFlavor.javaFileListFlavor);
-
-            for (int i = 0; i < files.size(); i++)
-            {
-                String file = files.get(i).toString();
-                String protocol = "File";
-                String format = null;
-
-                if (file.endsWith(".jar"))
-                {
-                  format = "Jalview";
-
-                }
-                else
-                {
-                    format = jalview.io.IdentifyFile.Identify(file,
-                            protocol);
-                }
-                LoadFile(file, protocol, format);
-            }
+          target = ( (AlignFrame) frames[i]).getCurrentView();
         }
-        catch (Exception ex)
+        else if (frames[i] instanceof TreePanel)
         {
-            ex.printStackTrace();
+          target = ( (TreePanel) frames[i]).getViewPort();
         }
-    }
-
-    /**
-     * DOCUMENT ME!
-     *
-     * @param e DOCUMENT ME!
-     */
-    public void inputLocalFileMenuItem_actionPerformed(ActionEvent e)
-    {
-        JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.getProperty(
-                    "LAST_DIRECTORY"),
-                new String[]
-                {
-                    "fa, fasta, fastq", "aln", "pfam", "msf", "pir", "blc",
-                    "jar"
-                },
-                new String[]
-                {
-                    "Fasta", "Clustal", "PFAM", "MSF", "PIR", "BLC", "Jalview"
-                }, jalview.bin.Cache.getProperty("DEFAULT_FILE_FORMAT"));
-
-        chooser.setFileView(new JalviewFileView());
-        chooser.setDialogTitle("Open local file");
-        chooser.setToolTipText("Open");
-
-        int value = chooser.showOpenDialog(this);
-
-        if (value == JalviewFileChooser.APPROVE_OPTION)
+        else if (frames[i] instanceof PCAPanel)
         {
-            String choice = chooser.getSelectedFile().getPath();
-            jalview.bin.Cache.setProperty("LAST_DIRECTORY",
-                chooser.getSelectedFile().getParent());
+          target = ( (PCAPanel) frames[i]).av;
+        }
+        else if (frames[i].getContentPane() instanceof PairwiseAlignPanel)
+        {
+          target = ( (PairwiseAlignPanel) frames[i].getContentPane()).av;
+        }
 
-            String format = null;
-            if (chooser.getSelectedFormat().equals("Jalview"))
+        if (source == target)
+        {
+          try
+          {
+            if (close)
             {
-              format = "Jalview";
+              frames[i].setClosed(true);
             }
             else
             {
-                format = IdentifyFile.Identify(choice, "File");
+              frames[i].setIcon(minimize);
+              if (!minimize)
+              {
+                frames[i].toFront();
+              }
             }
 
-            jalview.bin.Cache.setProperty("DEFAULT_FILE_FORMAT", format);
-            LoadFile(choice, "File", format);
+          }
+          catch (java.beans.PropertyVetoException ex)
+          {}
         }
+      }
     }
-
-    /**
-     * DOCUMENT ME!
-     *
-     * @param file DOCUMENT ME!
-     * @param protocol DOCUMENT ME!
-     * @param format DOCUMENT ME!
-     */
-    public void LoadFile(String file, String protocol, String format)
+  }
+
+  /**
+   * DOCUMENT ME!
+   *
+   * @param e DOCUMENT ME!
+   */
+  protected void preferences_actionPerformed(ActionEvent e)
+  {
+    new Preferences();
+  }
+
+  /**
+   * DOCUMENT ME!
+   *
+   * @param e DOCUMENT ME!
+   */
+  public void saveState_actionPerformed(ActionEvent e)
+  {
+    JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.
+        getProperty(
+            "LAST_DIRECTORY"), new String[]
+        {"jar"},
+        new String[]
+        {"Jalview Project"}, "Jalview Project");
+
+    chooser.setFileView(new JalviewFileView());
+    chooser.setDialogTitle("Save State");
+
+    int value = chooser.showSaveDialog(this);
+
+    if (value == JalviewFileChooser.APPROVE_OPTION)
+    {
+      java.io.File choice = chooser.getSelectedFile();
+      jalview.bin.Cache.setProperty("LAST_DIRECTORY", choice.getParent());
+      new Jalview2XML().SaveState(choice);
+    }
+  }
+
+  /**
+   * DOCUMENT ME!
+   *
+   * @param e DOCUMENT ME!
+   */
+  public void loadState_actionPerformed(ActionEvent e)
+  {
+    JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.
+        getProperty(
+            "LAST_DIRECTORY"), new String[]
+        {"jar"},
+        new String[]
+        {"Jalview Project"}, "Jalview Project");
+    chooser.setFileView(new JalviewFileView());
+    chooser.setDialogTitle("Restore state");
+
+    int value = chooser.showOpenDialog(this);
+
+    if (value == JalviewFileChooser.APPROVE_OPTION)
     {
-      FileLoader fileLoader = new FileLoader();
-      fileLoader.LoadFile(file, protocol, format);
+      String choice = chooser.getSelectedFile().getAbsolutePath();
+      jalview.bin.Cache.setProperty("LAST_DIRECTORY",
+                                    chooser.getSelectedFile().getParent());
+      new Jalview2XML().LoadJalviewAlign(choice);
     }
+  }
 
-    /**
-     * DOCUMENT ME!
-     *
-     * @param e DOCUMENT ME!
-     */
-    public void inputURLMenuItem_actionPerformed(ActionEvent e)
+  /*  public void vamsasLoad_actionPerformed(ActionEvent e)
     {
-        String url = JOptionPane.showInternalInputDialog(Desktop.desktop,
-                "Enter url of input file", "Input alignment from URL",
-                JOptionPane.QUESTION_MESSAGE, null, null, "http://www.")
-                                .toString();
+      JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.
+          getProperty("LAST_DIRECTORY"));
 
-        if (url == null)
-        {
-            return;
-        }
+      chooser.setFileView(new JalviewFileView());
+      chooser.setDialogTitle("Load Vamsas file");
+      chooser.setToolTipText("Import");
 
-        if (url.trim().toLowerCase().endsWith(".jar"))
-        {
-               jalview.bin.Cache.setProperty("DEFAULT_FILE_FORMAT", "Jalview");
-               Jalview2XML.LoadJalviewAlign(url);
-        }
-        else
-        {
+      int value = chooser.showOpenDialog(this);
 
-          String format = IdentifyFile.Identify(url, "URL");
+      if (value == JalviewFileChooser.APPROVE_OPTION)
+      {
+        jalview.io.VamsasDatastore vs = new jalview.io.VamsasDatastore(null);
+        vs.load(
+            chooser.getSelectedFile().getAbsolutePath()
+            );
+      }
 
-          if (format.equals("URL NOT FOUND"))
-          {
-            JOptionPane.showInternalMessageDialog(Desktop.desktop,
-                                                  "Couldn't locate " + url,
-                                                  "URL not found",
-                                                  JOptionPane.WARNING_MESSAGE);
+    }*/
 
-            return;
-          }
 
-          LoadFile(url, "URL", format);
-        }
-    }
+  public void inputSequence_actionPerformed(ActionEvent e)
+  {
+    new SequenceFetcher(null);
+  }
 
-    /**
-     * DOCUMENT ME!
-     *
-     * @param e DOCUMENT ME!
-     */
-    public void inputTextboxMenuItem_actionPerformed(ActionEvent e)
+  JPanel progressPanel;
+
+  public void startLoading(final String fileName)
+  {
+    if (fileLoadingCount == 0)
     {
-        CutAndPasteTransfer cap = new CutAndPasteTransfer();
-        cap.setForInput();
-        Desktop.addInternalFrame(cap, "Cut & Paste Alignment File", 600, 500);
-    }
+      progressPanel = new JPanel(new BorderLayout());
+      JProgressBar progressBar = new JProgressBar();
+      progressBar.setIndeterminate(true);
 
-    /*
-     * Exit the program
-     */
-    public void quit()
+      progressPanel.add(new JLabel("Loading File: " + fileName + "   "),
+                        BorderLayout.WEST);
+
+      progressPanel.add(progressBar, BorderLayout.CENTER);
+
+      instance.getContentPane().add(progressPanel, BorderLayout.SOUTH);
+    }
+    fileLoadingCount++;
+    validate();
+  }
+
+  public void stopLoading()
+  {
+    fileLoadingCount--;
+    if (fileLoadingCount < 1)
     {
-        jalview.bin.Cache.setProperty("SCREEN_X", getBounds().x + "");
-        jalview.bin.Cache.setProperty("SCREEN_Y", getBounds().y + "");
-        jalview.bin.Cache.setProperty("SCREEN_WIDTH", getWidth() + "");
-        jalview.bin.Cache.setProperty("SCREEN_HEIGHT", getHeight() + "");
-        System.exit(0);
+      if (progressPanel != null)
+      {
+        this.getContentPane().remove(progressPanel);
+        progressPanel = null;
+      }
+      fileLoadingCount = 0;
+    }
+    validate();
+  }
+
+  public static int getViewCount(String viewId)
+  {
+    int count = 0;
+    JInternalFrame[] frames = Desktop.desktop.getAllFrames();
+    for (int t = 0; t < frames.length; t++)
+    {
+      if (frames[t] instanceof AlignFrame)
+      {
+        AlignFrame af = (AlignFrame) frames[t];
+        for (int a = 0; a < af.alignPanels.size(); a++)
+        {
+          if (viewId.equals(
+              ( (AlignmentPanel) af.alignPanels.elementAt(a)).av.
+              getSequenceSetId())
+              )
+          {
+            count++;
+          }
+        }
+      }
     }
 
-    /**
-     * DOCUMENT ME!
-     *
-     * @param e DOCUMENT ME!
-     */
-    public void aboutMenuItem_actionPerformed(ActionEvent e)
+    return count;
+  }
+
+  public void explodeViews(AlignFrame af)
+  {
+    int size = af.alignPanels.size();
+    if (size < 2)
     {
-      StringBuffer message = new StringBuffer("JalView 2005 version " +
-                                              jalview.bin.Cache.getProperty(
-          "VERSION") +
-                                              "; last updated: " +
-                                              jalview.bin.
-                                              Cache.getDefault("BUILD_DATE", "unknown"));
+      return;
+    }
 
-      if (!jalview.bin.Cache.getProperty("LATEST_VERSION").equals(
-          jalview.bin.Cache.getProperty("VERSION")))
+    for (int i = 0; i < size; i++)
+    {
+      AlignmentPanel ap = (AlignmentPanel) af.alignPanels.elementAt(i);
+      AlignFrame newaf = new AlignFrame(ap);
+      if (ap.av.explodedPosition != null &&
+          !ap.av.explodedPosition.equals(af.getBounds()))
       {
-        message.append("\n\n!! Jalview version "
-                       + jalview.bin.Cache.getProperty("LATEST_VERSION")
-                       + " is available for download from http://www.jalview.org !!\n");
-
+        newaf.setBounds(ap.av.explodedPosition);
       }
 
-      message.append( "\nAuthors:  Michele Clamp, James Cuff, Steve Searle, Andrew Waterhouse, Jim Procter & Geoff Barton." +
-            "\nCurrent development managed by Andrew Waterhouse; Barton Group, University of Dundee." +
-            "\nFor all issues relating to Jalview, email help@jalview.org" +
-            "\n\nIf  you use JalView, please cite:" +
-            "\n\"Clamp, M., Cuff, J., Searle, S. M. and Barton, G. J. (2004), The Jalview Java Alignment Editor\"" +
-            "\nBioinformatics,  2004 12;426-7.");
+      ap.av.gatherViewsHere = false;
 
-        JOptionPane.showInternalMessageDialog(Desktop.desktop,
-
-           message.toString(), "About Jalview",
-            JOptionPane.INFORMATION_MESSAGE);
+      addInternalFrame(newaf, af.getTitle(),
+                       AlignFrame.DEFAULT_WIDTH,
+                       AlignFrame.DEFAULT_HEIGHT);
     }
 
-    /**
-     * DOCUMENT ME!
-     *
-     * @param e DOCUMENT ME!
-     */
-    public void documentationMenuItem_actionPerformed(ActionEvent e)
+    af.alignPanels.clear();
+    af.closeMenuItem_actionPerformed(true);
+
+  }
+
+  public void gatherViews(AlignFrame source)
+  {
+    source.viewport.gatherViewsHere = true;
+    source.viewport.explodedPosition = source.getBounds();
+    JInternalFrame[] frames = desktop.getAllFrames();
+    String viewId = source.viewport.sequenceSetID;
+
+    for (int t = 0; t < frames.length; t++)
     {
-        try
+      if (frames[t] instanceof AlignFrame && frames[t] != source)
+      {
+        AlignFrame af = (AlignFrame) frames[t];
+        boolean gatherThis = false;
+        for (int a = 0; a < af.alignPanels.size(); a++)
         {
-            ClassLoader cl = jalview.gui.Desktop.class.getClassLoader();
-            java.net.URL url = javax.help.HelpSet.findHelpSet(cl, "help/help");
-            javax.help.HelpSet hs = new javax.help.HelpSet(cl, url);
-
-            javax.help.HelpBroker hb = hs.createHelpBroker();
-            hb.setLocation(new Point(200, 50));
-            hb.setSize(new Dimension(800, 700));
-            hb.setCurrentID("home");
-            hb.setDisplayed(true);
+          AlignmentPanel ap = (AlignmentPanel) af.alignPanels.elementAt(a);
+          if (viewId.equals(ap.av.getSequenceSetId()))
+          {
+            gatherThis = true;
+            ap.av.gatherViewsHere = false;
+            ap.av.explodedPosition = af.getBounds();
+            source.addAlignmentPanel(ap, false);
+          }
         }
-        catch (Exception ex)
+
+        if (gatherThis)
         {
-            ex.printStackTrace();
+          af.alignPanels.clear();
+          af.closeMenuItem_actionPerformed(true);
         }
+      }
     }
 
-    /**
-     * DOCUMENT ME!
-     *
-     * @param e DOCUMENT ME!
-     */
-    protected void preferences_actionPerformed(ActionEvent e)
+  }
+
+  jalview.gui.VamsasClient v_client = null;
+  public void vamsasLoad_actionPerformed(ActionEvent e)
+  {
+    if (v_client == null)
     {
-        new Preferences();
+      // Start a session.
+      JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.
+          getProperty("LAST_DIRECTORY"));
+
+      chooser.setFileView(new JalviewFileView());
+      chooser.setDialogTitle("Load Vamsas file");
+      chooser.setToolTipText("Import");
+
+      int value = chooser.showOpenDialog(this);
+
+      if (value == JalviewFileChooser.APPROVE_OPTION)
+      {
+        v_client = new jalview.gui.VamsasClient(this,
+                                                chooser.getSelectedFile());
+        this.vamsasLoad.setText("Session Update");
+        this.vamsasStop.setVisible(true);
+        v_client.initial_update();
+        v_client.startWatcher();
+      }
+    }
+    else
+    {
+      // store current data in session.
+      v_client.push_update();
+    }
+  }
+
+  public void vamsasStop_actionPerformed(ActionEvent e)
+  {
+    if (v_client != null)
+    {
+      v_client.end_session();
+      v_client = null;
+      this.vamsasStop.setVisible(false);
+      this.vamsasLoad.setText("Start Vamsas Session...");
+    }
+  }
+
+  /**
+   * hide vamsas user gui bits when a vamsas document event is being handled.
+   * @param b true to hide gui, false to reveal gui
+   */
+  public void setVamsasUpdate(boolean b)
+  {
+    jalview.bin.Cache.log.debug("Setting gui for Vamsas update " +
+                                (b ? "in progress" : "finished"));
+    vamsasLoad.setVisible(!b);
+    vamsasStop.setVisible(!b);
+
+  }
+
+  public JInternalFrame[] getAllFrames()
+  {
+    return desktop.getAllFrames();
+  }
+
+
+  /**
+   * Checks the given url to see if it gives a response indicating that
+   * the user should be informed of a new questionnaire.
+   * @param url
+   */
+  public void checkForQuestionnaire(String url)
+  {
+    UserQuestionnaireCheck jvq = new UserQuestionnaireCheck(url);
+    javax.swing.SwingUtilities.invokeLater(jvq);
+  }
+
+  /*DISABLED
+   class  MyDesktopPane extends JDesktopPane implements Runnable
+  {
+    boolean showMemoryUsage = false;
+    Runtime runtime;
+    java.text.NumberFormat df;
+
+    float maxMemory, allocatedMemory, freeMemory, totalFreeMemory, percentUsage;
+
+    public MyDesktopPane(boolean showMemoryUsage)
+    {
+      showMemoryUsage(showMemoryUsage);
+    }
+
+    public void showMemoryUsage(boolean showMemoryUsage)
+    {
+      this.showMemoryUsage = showMemoryUsage;
+      if (showMemoryUsage)
+      {
+        Thread worker = new Thread(this);
+        worker.start();
+      }
     }
 
-    /**
-     * DOCUMENT ME!
-     *
-     * @param e DOCUMENT ME!
-     */
-    public void saveState_actionPerformed(ActionEvent e)
+    public void run()
     {
-        JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.getProperty(
-                    "LAST_DIRECTORY"), new String[] { "jar" },
-                new String[] { "Jalview Project" }, "Jalview Project");
+      df = java.text.NumberFormat.getNumberInstance();
+      df.setMaximumFractionDigits(2);
+      runtime = Runtime.getRuntime();
 
-        chooser.setFileView(new JalviewFileView());
-        chooser.setDialogTitle("Save State");
+      while (showMemoryUsage)
+      {
+        try
+        {
+          Thread.sleep(3000);
+          maxMemory = runtime.maxMemory() / 1048576f;
+          allocatedMemory = runtime.totalMemory() / 1048576f;
+          freeMemory = runtime.freeMemory() / 1048576f;
+          totalFreeMemory = freeMemory + (maxMemory - allocatedMemory);
 
-        int value = chooser.showSaveDialog(this);
+          percentUsage = (totalFreeMemory / maxMemory) * 100;
 
-        if (value == JalviewFileChooser.APPROVE_OPTION)
+        //  if (percentUsage < 20)
+          {
+            //   border1 = BorderFactory.createMatteBorder(12, 12, 12, 12, Color.red);
+            //    instance.set.setBorder(border1);
+          }
+          repaint();
+
+        }
+        catch (Exception ex)
         {
-            java.io.File choice = chooser.getSelectedFile();
-            jalview.bin.Cache.setProperty("LAST_DIRECTORY", choice.getParent());
-            Jalview2XML.SaveState(choice);
+          ex.printStackTrace();
         }
+      }
     }
 
-    /**
-     * DOCUMENT ME!
-     *
-     * @param e DOCUMENT ME!
-     */
-    public void loadState_actionPerformed(ActionEvent e)
+    public void paintComponent(Graphics g)
     {
-        JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.getProperty(
-                    "LAST_DIRECTORY"), new String[] { "jar" },
-                new String[] { "Jalview Project" }, "Jalview Project");
-        chooser.setFileView(new JalviewFileView());
-        chooser.setDialogTitle("Restore state");
-
-        int value = chooser.showOpenDialog(this);
+      if(showMemoryUsage)
+      {
+        if (percentUsage < 20)
+          g.setColor(Color.red);
 
-        if (value == JalviewFileChooser.APPROVE_OPTION)
-        {
-            String choice = chooser.getSelectedFile().getAbsolutePath();
-            jalview.bin.Cache.setProperty("LAST_DIRECTORY",
-                chooser.getSelectedFile().getParent());
-            Jalview2XML.LoadJalviewAlign(choice);
-        }
+        g.drawString("Total Free Memory: " + df.format(totalFreeMemory)
+                     + "MB; Max Memory: " + df.format(maxMemory)
+                     + "MB; " + df.format(percentUsage) + "%", 10,
+                     getHeight() - g.getFontMetrics().getHeight());
+      }
+    }
+  }*/
+  protected JMenuItem groovyShell;
+  public void doGroovyCheck() {
+    if (jalview.bin.Cache.groovyJarsPresent())
+    {
+      groovyShell = new JMenuItem();
+      groovyShell.setText("Groovy Shell...");
+      groovyShell.addActionListener(new ActionListener()
+      {
+          public void actionPerformed(ActionEvent e) {
+              groovyShell_actionPerformed(e);
+          }
+      });
+      toolsMenu.add(groovyShell);
+      groovyShell.setVisible(true);
     }
+  }
+  /**
+   * Accessor method to quickly get all the AlignmentFrames
+   * loaded.
+   */
+  protected AlignFrame[] getAlignframes() {
+    JInternalFrame[] frames = Desktop.desktop.getAllFrames();
+
+    if (frames == null)
+    {
+      return null;
+      }
+      Vector avp=new Vector();
+      try
+      {
+          //REVERSE ORDER
+          for (int i = frames.length - 1; i > -1; i--)
+          {
+              if (frames[i] instanceof AlignFrame)
+              {
+                  AlignFrame af = (AlignFrame) frames[i];
+                  avp.addElement(af);
+              }
+          }
+      }
+      catch (Exception ex)
+      {
+          ex.printStackTrace();
+      }
+      if (avp.size()==0)
+      {
+          return null;
+      }
+      AlignFrame afs[] = new AlignFrame[avp.size()];
+      for (int i=0,j=avp.size(); i<j; i++) {
+          afs[i] = (AlignFrame) avp.elementAt(i);
+      }
+      avp.clear();
+      return afs;
+  }
+
+  /**
+    * Add Groovy Support to Jalview
+    */
+  public void groovyShell_actionPerformed(ActionEvent e) {
+    // use reflection to avoid creating compilation dependency.
+    if (!jalview.bin.Cache.groovyJarsPresent())
+    {
+      throw new Error("Implementation Error. Cannot create groovyShell without Groovy on the classpath!");
+    }
+    try {
+    Class gcClass = Desktop.class.getClassLoader().loadClass("groovy.ui.Console");
+    Constructor gccons = gcClass.getConstructor(null);
+    java.lang.reflect.Method setvar = gcClass.getMethod("setVariable", new Class[] { String.class, Object.class} );
+    java.lang.reflect.Method run = gcClass.getMethod("run", null);
+    Object gc = gccons.newInstance(null);
+    setvar.invoke(gc, new Object[] { "Jalview", this});
+    run.invoke(gc, null);
+    }
+    catch (Exception ex)
+    {
+      jalview.bin.Cache.log.error("Groovy Shell Creation failed.",ex);
+      JOptionPane.showInternalMessageDialog(Desktop.desktop,
 
+              "Couldn't create the groovy Shell. Check the error log for the details of what went wrong.", "Jalview Groovy Support Failed",
+              JOptionPane.ERROR_MESSAGE);
+    }
+  }
 }
-