static debug flag controlling output of excessive info. showfeaturegroups and hidefea...
[jalview.git] / src / jalview / bin / JalviewLite.java
index c4e17fb..c9977fd 100755 (executable)
-/*\r
-* Jalview - A Sequence Alignment Editor and Viewer\r
-* Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
-*\r
-* This program is free software; you can redistribute it and/or\r
-* modify it under the terms of the GNU General Public License\r
-* as published by the Free Software Foundation; either version 2\r
-* of the License, or (at your option) any later version.\r
-*\r
-* This program is distributed in the hope that it will be useful,\r
-* but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
-* GNU General Public License for more details.\r
-*\r
-* You should have received a copy of the GNU General Public License\r
-* along with this program; if not, write to the Free Software\r
-* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA\r
-*/\r
-package jalview.bin;\r
-\r
-import jalview.appletgui.AlignFrame;\r
-\r
-import jalview.datamodel.*;\r
-\r
-import jalview.io.*;\r
-\r
-import java.applet.*;\r
-\r
-import java.awt.*;\r
-import java.awt.event.*;\r
-import jalview.appletgui.TreePanel;\r
-\r
-\r
-/**\r
- * Jalview Applet. Runs in Java 1.18 runtime\r
- *\r
- * @author $author$\r
- * @version $Revision$\r
- */\r
-public class JalviewLite extends Applet\r
-{\r
-    static int lastFrameX = 200;\r
-    static int lastFrameY = 200;\r
-    boolean fileFound = true;\r
-    String file = "No file";\r
-    Button launcher = new Button("Start Jalview");\r
-\r
-    static AlignFrame currentAlignFrame;\r
-    boolean embedded = false;\r
-\r
-\r
-    /**\r
-     * init method for Jalview Applet\r
-     */\r
-    public void init()\r
-    {\r
-        int r = 255;\r
-        int g = 255;\r
-        int b = 255;\r
-        String param = getParameter("RGB");\r
-\r
-        if (param != null)\r
-        {\r
-            try\r
-            {\r
-                r = Integer.parseInt(param.substring(0, 2), 16);\r
-                g = Integer.parseInt(param.substring(2, 4), 16);\r
-                b = Integer.parseInt(param.substring(4, 6), 16);\r
-            }\r
-            catch (Exception ex)\r
-            {\r
-                r = 255;\r
-                g = 255;\r
-                b = 255;\r
-            }\r
-        }\r
-\r
-        param = getParameter("label");\r
-        if(param != null)\r
-          launcher.setLabel(param);\r
-\r
-        this.setBackground(new Color(r, g, b));\r
-\r
-        file = getParameter("file");\r
-        if(file.indexOf("://")==-1)\r
-               file = getCodeBase() + file;\r
-\r
-        final JalviewLite applet = this;\r
-        if(getParameter("embedded")!=null\r
-           && getParameter("embedded").equalsIgnoreCase("true"))\r
-        {\r
-          embedded = true;\r
-          LoadingThread loader = new LoadingThread(file,\r
-                            "URL",\r
-                            applet);\r
-          loader.start();\r
-        }\r
-        else if (file != null)\r
-        {\r
-            add(launcher);\r
-\r
-            launcher.addActionListener(new java.awt.event.ActionListener()\r
-                {\r
-                    public void actionPerformed(ActionEvent e)\r
-                    {\r
-                        LoadingThread loader = new LoadingThread(file,\r
-                            "URL",\r
-                            applet);\r
-                        loader.start();\r
-                      }\r
-                });\r
-        }\r
-        else\r
-        {\r
-            file = "NO FILE";\r
-            fileFound = false;\r
-        }\r
-    }\r
-\r
-\r
-    public static void main(String [] args)\r
-    {\r
-      if(args.length!=1)\r
-      {\r
-        System.out.println("\nUsage: java -jar jalviewApplet.jar fileName\n");\r
-        System.exit(1);\r
-      }\r
-\r
-      String format = jalview.io.IdentifyFile.Identify(args[0],"File");\r
-      SequenceI[] sequences = null;\r
-     try{\r
-       sequences = new AppletFormatAdapter().readFile(args[0], "File", format);\r
-     }catch(java.io.IOException ex)\r
-     {\r
-       ex.printStackTrace();\r
-     }\r
-      if ( (sequences != null) && (sequences.length > 0))\r
-      {\r
-        AlignFrame af = new AlignFrame(new Alignment(sequences), null, args[0]);\r
-        af.statusBar.setText("Successfully loaded file " + args[0]);\r
-      }\r
-    }\r
-\r
-\r
-    /**\r
-     * Initialises and displays a new java.awt.Frame\r
-     *\r
-     * @param frame java.awt.Frame to be displayed\r
-     * @param title title of new frame\r
-     * @param width width if new frame\r
-     * @param height height of new frame\r
-     */\r
-    public static void addFrame(final Frame frame, String title, int width,\r
-        int height)\r
-    {\r
-        frame.setLocation(lastFrameX, lastFrameY);\r
-        lastFrameX += 40;\r
-        lastFrameY += 40;\r
-        frame.setSize(width, height);\r
-        frame.setTitle(title);\r
-        frame.addWindowListener(new WindowAdapter()\r
-            {\r
-                public void windowClosing(WindowEvent e)\r
-                {\r
-                    if(currentAlignFrame == frame)\r
-                    {\r
-                      currentAlignFrame = null;\r
-                    }\r
-                    lastFrameX -=40;\r
-                    lastFrameY-=40;\r
-                    frame.setMenuBar(null);\r
-                    frame.dispose();\r
-                }\r
-                public void windowActivated(WindowEvent e)\r
-                {\r
-                  if(frame instanceof AlignFrame)\r
-                    currentAlignFrame = (AlignFrame)frame;\r
-                }\r
-\r
-            });\r
-        frame.setVisible(true);\r
-    }\r
-\r
-    public String getAlignment(String format)\r
-    {\r
-      return getAlignment(format, "true");\r
-    }\r
-\r
-    public String getAlignment(String format, String suffix)\r
-    {\r
-      try\r
-      {\r
-        boolean seqlimits = suffix.equalsIgnoreCase("true");\r
-\r
-        String reply = new AppletFormatAdapter().formatSequences(format,\r
-            currentAlignFrame.viewport.getAlignment().getSequences(), seqlimits);\r
-        return reply;\r
-      }\r
-      catch (Exception ex)\r
-      {\r
-        ex.printStackTrace();\r
-        return "Error retrieving alignment in " + format + " format. ";\r
-      }\r
-    }\r
-\r
-    /**\r
-     * This paints the background surrounding the "Launch Jalview button"\r
-     * <br>\r
-     * <br>If file given in parameter not found, displays error message\r
-     *\r
-     * @param g graphics context\r
-     */\r
-    public void paint(Graphics g)\r
-    {\r
-        if (!fileFound)\r
-        {\r
-            g.setColor(new Color(200, 200, 200));\r
-            g.setColor(Color.cyan);\r
-            g.fillRect(0, 0, getSize().width, getSize().height);\r
-            g.setColor(Color.red);\r
-            g.drawString("Jalview can't open file", 5, 15);\r
-            g.drawString("\"" + file + "\"", 5, 30);\r
-        }\r
-        else if(embedded)\r
-        {\r
-          g.setColor(Color.black);\r
-          g.setFont(new Font("Arial", Font.BOLD, 24));\r
-          g.drawString("Jalview Applet", 50, this.size().height/2 -30);\r
-          g.drawString("Loading Data...", 50, this.size().height/2);\r
-        }\r
-\r
-\r
-    }\r
-\r
-    class LoadingThread extends Thread\r
-    {\r
-        String file;\r
-        String protocol;\r
-        String format;\r
-        JalviewLite applet;\r
-\r
-        public LoadingThread(String file,\r
-                             String protocol,\r
-                             JalviewLite applet)\r
-        {\r
-            this.file = file;\r
-            this.protocol = protocol;\r
-            format = jalview.io.IdentifyFile.Identify(file, "URL");\r
-            this.applet = applet;\r
-        }\r
-\r
-        public void run()\r
-        {\r
-            SequenceI[] sequences = null;\r
-            try{\r
-              sequences = new AppletFormatAdapter().readFile(file, protocol,\r
-                  format);\r
-            }catch(java.io.IOException ex)\r
-            {\r
-              ex.printStackTrace();\r
-            }\r
-            if ((sequences != null) && (sequences.length > 0))\r
-            {\r
-              currentAlignFrame = new AlignFrame(new Alignment(sequences),\r
-                                                 applet, file);\r
-              if (embedded)\r
-                currentAlignFrame.setEmbedded();\r
-\r
-              currentAlignFrame.statusBar.setText("Successfully loaded file " + file);\r
-\r
-\r
-                String treeFile = applet.getParameter("treeFile");\r
-                if (treeFile != null)\r
-                {\r
-                  if (treeFile.indexOf("://") == -1)\r
-                    treeFile = getCodeBase() + treeFile;\r
-\r
-                  try\r
-                  {\r
-                    jalview.io.NewickFile fin = new jalview.io.NewickFile(treeFile, "URL");\r
-                    fin.parse();\r
-\r
-                    if (fin.getTree() != null)\r
-                    {\r
-                      TreePanel tp = null;\r
-                      tp = new TreePanel(currentAlignFrame.viewport,\r
-                                         currentAlignFrame.viewport.getAlignment().getSequences(),\r
-                                         fin, "FromFile", treeFile);\r
-                      addFrame(tp, treeFile, 600, 500);\r
-                      currentAlignFrame.addTreeMenuItem(tp, treeFile);\r
-                    }\r
-                  }\r
-                  catch (Exception ex)\r
-                  {\r
-                    ex.printStackTrace();\r
-                  }\r
-              }\r
-\r
-              String param = getParameter("features");\r
-              if (param != null)\r
-              {\r
-                if (param.indexOf("://") == -1)\r
-                  param = getCodeBase() + param;\r
-\r
-                currentAlignFrame.parseFeaturesFile(param);\r
-              }\r
-\r
-             param = getParameter("annotations");\r
-             if (param != null)\r
-             {\r
-               if (param.indexOf("://") == -1)\r
-                 param = getCodeBase() + param;\r
-\r
-               new AnnotationReader().readAnnotationFile(\r
-                   currentAlignFrame.viewport.getAlignment(),\r
-                   param);\r
-\r
-               currentAlignFrame.alignPanel.fontChanged();\r
-             }\r
-\r
-\r
-                String pdbfile = applet.getParameter("PDBFILE");\r
-                if(pdbfile!=null)\r
-                {\r
-                  if(pdbfile.indexOf("://")==-1)\r
-                       pdbfile = getCodeBase() + pdbfile;\r
-\r
-                  String sequence = applet.getParameter("PDBSEQ");\r
-\r
-                  if(sequence!=null)\r
-                  {\r
-                    new MCview.AppletPDBViewer(pdbfile, "URL",\r
-                                               (Sequence)currentAlignFrame.getAlignViewport().getAlignment().findName(sequence),\r
-                                               currentAlignFrame.getSeqcanvas());\r
-                  }\r
-\r
-                }\r
-            }\r
-            else\r
-            {\r
-                fileFound = false;\r
-                remove(launcher);\r
-                repaint();\r
-            }\r
-        }\r
-    }\r
-}\r
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer
+ * Copyright (C) 2007 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+package jalview.bin;
+
+import java.applet.*;
+
+import java.awt.*;
+import java.awt.event.*;
+import java.util.*;
+
+import jalview.appletgui.*;
+import jalview.datamodel.*;
+import jalview.io.*;
+
+/**
+ * Jalview Applet. Runs in Java 1.18 runtime
+ *
+ * @author $author$
+ * @version $Revision$
+ */
+public class JalviewLite
+    extends Applet
+{
+
+
+
+  ///////////////////////////////////////////
+  //The following public methods maybe called
+  //externally, eg via javascript in HTML page
+  /**
+   * @return list of selected sequences separated by "¬"
+   */
+  public String getSelectedSequences()
+  {
+    return getSelectedSequences(currentAlignFrame);
+  }
+  public String getSelectedSequences(AlignFrame alf)
+  {
+    StringBuffer result = new StringBuffer("");
+
+    if (alf.viewport.getSelectionGroup() != null)
+    {
+      SequenceI[] seqs = alf.viewport.getSelectionGroup().
+          getSequencesInOrder(
+                  alf.viewport.getAlignment());
+
+      for (int i = 0; i < seqs.length; i++)
+      {
+        result.append(seqs[i].getName() + "¬");
+      }
+    }
+
+    return result.toString();
+  }
+  
+  public String getAlignment(String format)
+  {
+    return getAlignment(currentAlignFrame, format, "true");
+  }
+  public String getAlignment(AlignFrame alf, String format)
+  {
+    return getAlignment(alf, format, "true");
+  }
+  public String getAlignment(String format, String suffix)
+  {
+    return getAlignment(currentAlignFrame, format, suffix);
+  }
+  public String getAlignment(AlignFrame alf, String format, String suffix)
+  {
+    try
+    {
+      boolean seqlimits = suffix.equalsIgnoreCase("true");
+
+      String reply = new AppletFormatAdapter().formatSequences(format,
+          alf.viewport.getAlignment(), seqlimits);
+      return reply;
+    }
+    catch (Exception ex)
+    {
+      ex.printStackTrace();
+      return "Error retrieving alignment in " + format + " format. ";
+    }
+  }
+
+  public void loadAnnotation(String annotation)
+  {
+    loadAnnotation(currentAlignFrame, annotation);
+  }
+  public void loadAnnotation(AlignFrame alf, String annotation)
+  {
+    if (new AnnotationFile().readAnnotationFile(
+        alf.getAlignViewport().getAlignment(), annotation,
+        AppletFormatAdapter.PASTE))
+    {
+      alf.alignPanel.fontChanged();
+      alf.alignPanel.setScrollValues(0, 0);
+    }
+    else
+    {
+      alf.parseFeaturesFile(annotation, AppletFormatAdapter.PASTE);
+    }
+  }
+
+  public String getFeatures(String format)
+  {
+    return getFeatures(currentAlignFrame, format);
+  }
+  public String getFeatures(AlignFrame alf, String format)
+  {
+    return alf.outputFeatures(false, format);
+  }
+  public String getAnnotation()
+  {
+    return getAnnotation(currentAlignFrame);
+  }
+  public String getAnnotation(AlignFrame alf)
+  {
+    return alf.outputAnnotations(false);
+  }
+  public AlignFrame newView()
+  {
+    return newView(currentAlignFrame);
+  }
+  public AlignFrame newView(String name)
+  {
+    return newView(currentAlignFrame, name);
+  }
+
+  public AlignFrame newView(AlignFrame alf)
+  {
+    return alf.newView(null);
+  }
+  public AlignFrame newView(AlignFrame alf, String name)
+  {
+    return alf.newView(name);
+  }
+  /**
+   * 
+   * @param text alignment file as a string
+   * @param title window title 
+   * @return null or new alignment frame
+   */
+  public AlignFrame loadAlignment(String text, String title)
+  {
+    Alignment al = null;
+    String format = new IdentifyFile().Identify(text, AppletFormatAdapter.PASTE);
+    try
+    {
+      al = new AppletFormatAdapter().readFile(text,
+                                              AppletFormatAdapter.PASTE,
+                                              format);
+      if (al.getHeight() > 0)
+      {
+        return new AlignFrame(al, this, title, false);
+      }
+    }
+    catch (java.io.IOException ex)
+    {
+      ex.printStackTrace();
+    }
+    return null;
+  }
+
+  ////////////////////////////////////////////////
+  ////////////////////////////////////////////////
+
+
+
+  static int lastFrameX = 200;
+  static int lastFrameY = 200;
+  boolean fileFound = true;
+  String file = "No file";
+  Button launcher = new Button("Start Jalview");
+
+  //The currentAlignFrame is static, it will change
+  //if and when the user selects a new window
+  public static AlignFrame currentAlignFrame;
+
+  //This is the first frame to be displayed, and does not change
+  AlignFrame initialAlignFrame;
+
+  boolean embedded = false;
+
+  public boolean jmolAvailable = false;
+  public static boolean debug;
+
+  /**
+   * init method for Jalview Applet
+   */
+  public void init()
+  {
+    String dbg = getParameter("debug");
+    if (dbg!=null)
+    {
+      debug = dbg.toLowerCase().equals("true");
+    }
+    int r = 255;
+    int g = 255;
+    int b = 255;
+    String param = getParameter("RGB");
+
+    if (param != null)
+    {
+      try
+      {
+        r = Integer.parseInt(param.substring(0, 2), 16);
+        g = Integer.parseInt(param.substring(2, 4), 16);
+        b = Integer.parseInt(param.substring(4, 6), 16);
+      }
+      catch (Exception ex)
+      {
+        r = 255;
+        g = 255;
+        b = 255;
+      }
+    }
+
+    param = getParameter("label");
+    if (param != null)
+    {
+      launcher.setLabel(param);
+    }
+
+    this.setBackground(new Color(r, g, b));
+
+    file = getParameter("file");
+
+    if (file == null)
+    {
+      //Maybe the sequences are added as parameters
+      StringBuffer data = new StringBuffer("PASTE");
+      int i = 1;
+      while ( (file = getParameter("sequence" + i)) != null)
+      {
+        data.append(file.toString() + "\n");
+        i++;
+      }
+      if (data.length() > 5)
+      {
+        file = data.toString();
+      }
+    }
+
+    LoadJmolThread jmolAvailable = new LoadJmolThread();
+    jmolAvailable.start();
+
+    final JalviewLite applet = this;
+    if (getParameter("embedded") != null
+        && getParameter("embedded").equalsIgnoreCase("true"))
+    {
+      embedded = true;
+      LoadingThread loader = new LoadingThread(file, applet);
+      loader.start();
+    }
+    else if (file != null)
+    {
+      add(launcher);
+
+      launcher.addActionListener(new java.awt.event.ActionListener()
+      {
+        public void actionPerformed(ActionEvent e)
+        {
+          LoadingThread loader = new LoadingThread(file,
+              applet);
+          loader.start();
+        }
+      });
+    }
+    else
+    {
+      file = "NO FILE";
+      fileFound = false;
+    }
+  }
+
+
+  /**
+   * Initialises and displays a new java.awt.Frame
+   *
+   * @param frame java.awt.Frame to be displayed
+   * @param title title of new frame
+   * @param width width if new frame
+   * @param height height of new frame
+   */
+  public static void addFrame(final Frame frame, String title, int width,
+                              int height)
+  {
+    frame.setLocation(lastFrameX, lastFrameY);
+    lastFrameX += 40;
+    lastFrameY += 40;
+    frame.setSize(width, height);
+    frame.setTitle(title);
+    frame.addWindowListener(new WindowAdapter()
+    {
+      public void windowClosing(WindowEvent e)
+      {
+        if (frame instanceof AlignFrame)
+        {
+          ( (AlignFrame) frame).closeMenuItem_actionPerformed();
+        }
+        if (currentAlignFrame == frame)
+        {
+          currentAlignFrame = null;
+        }
+        lastFrameX -= 40;
+        lastFrameY -= 40;
+        frame.setMenuBar(null);
+        frame.dispose();
+      }
+
+      public void windowActivated(WindowEvent e)
+      {
+        if (frame instanceof AlignFrame)
+        {
+          currentAlignFrame = (AlignFrame) frame;
+          if (debug)
+          {
+            System.err.println("Activated window "+frame);
+          }
+        }
+      }
+
+    });
+    frame.setVisible(true);
+  }
+
+  /**
+   * This paints the background surrounding the "Launch Jalview button"
+   * <br>
+   * <br>If file given in parameter not found, displays error message
+   *
+   * @param g graphics context
+   */
+  public void paint(Graphics g)
+  {
+    if (!fileFound)
+    {
+      g.setColor(new Color(200, 200, 200));
+      g.setColor(Color.cyan);
+      g.fillRect(0, 0, getSize().width, getSize().height);
+      g.setColor(Color.red);
+      g.drawString("Jalview can't open file", 5, 15);
+      g.drawString("\"" + file + "\"", 5, 30);
+    }
+    else if (embedded)
+    {
+      g.setColor(Color.black);
+      g.setFont(new Font("Arial", Font.BOLD, 24));
+      g.drawString("Jalview Applet", 50, this.getSize().height / 2 - 30);
+      g.drawString("Loading Data...", 50, this.getSize().height / 2);
+    }
+  }
+
+
+  class LoadJmolThread extends Thread
+  {
+    public void run()
+    {
+      try
+      {
+        if (!System.getProperty("java.version").startsWith("1.1"))
+        {
+          Class.forName("org.jmol.adapter.smarter.SmarterJmolAdapter");
+          jmolAvailable = true;
+        }
+      }
+      catch (java.lang.ClassNotFoundException ex)
+      {
+        System.out.println("Jmol not available - Using MCview for structures");
+      }
+    }
+  }
+
+
+  class LoadingThread
+      extends Thread
+  {
+    String file;
+    String protocol;
+    String format;
+    JalviewLite applet;
+
+    public LoadingThread(String _file,
+                         JalviewLite _applet)
+    {
+      if (applet.debug)
+      {
+        System.err.println("Loading thread started with:\n>>file\n"+_file+">>endfile");
+      }
+      file = _file;
+      if (file.startsWith("PASTE"))
+      {
+        file = file.substring(5);
+        protocol = AppletFormatAdapter.PASTE;
+      }
+      else if (inArchive(file))
+      {
+        protocol = AppletFormatAdapter.CLASSLOADER;
+      }
+      else
+      {
+        file = addProtocol(file);
+        protocol = AppletFormatAdapter.URL;
+      }
+      if (applet.debug)
+      {
+        System.err.println("Protocol identified as '"+protocol+"'");
+      }
+      format = new jalview.io.IdentifyFile().Identify(file, protocol);
+      if (applet.debug)
+      {
+        System.err.println("File identified as '"+format+"'");
+      }
+      applet = _applet;
+    }
+
+    public void run()
+    {
+      startLoading();
+    }
+
+    private void startLoading()
+    {
+      Alignment al = null;
+      try
+      {
+        al = new AppletFormatAdapter().readFile(file, protocol,
+                                                format);
+      }
+      catch (java.io.IOException ex)
+      {
+        ex.printStackTrace();
+      }
+      if ( (al != null) && (al.getHeight() > 0))
+      {
+        currentAlignFrame = new AlignFrame(al,
+                                           applet,
+                                           file,
+                                           embedded);
+
+        if (protocol == jalview.io.AppletFormatAdapter.PASTE)
+        {
+          currentAlignFrame.setTitle("Sequences from " + getDocumentBase());
+        }
+
+        initialAlignFrame = currentAlignFrame;
+
+        currentAlignFrame.statusBar.setText("Successfully loaded file " + file);
+
+        String treeFile = applet.getParameter("tree");
+        if (treeFile == null)
+        {
+          treeFile = applet.getParameter("treeFile");
+        }
+
+        if (treeFile != null)
+        {
+          try
+          {
+            if (inArchive(treeFile))
+            {
+              protocol = AppletFormatAdapter.CLASSLOADER;
+            }
+            else
+            {
+              protocol = AppletFormatAdapter.URL;
+              treeFile = addProtocol(treeFile);
+            }
+
+            jalview.io.NewickFile fin = new jalview.io.NewickFile(treeFile,
+                protocol);
+
+            fin.parse();
+
+            if (fin.getTree() != null)
+            {
+              currentAlignFrame.loadTree(fin, treeFile);
+            }
+          }
+          catch (Exception ex)
+          {
+            ex.printStackTrace();
+          }
+        }
+
+        String param = getParameter("features");
+        if (param != null)
+        {
+          if (!inArchive(param))
+          {
+            param = addProtocol(param);
+          }
+
+          currentAlignFrame.parseFeaturesFile(param, protocol);
+        }
+
+        param = getParameter("showFeatureSettings");
+        if (param != null && param.equalsIgnoreCase("true"))
+        {
+          currentAlignFrame.viewport.showSequenceFeatures(true);
+          new FeatureSettings(currentAlignFrame.alignPanel);
+        }
+
+        param = getParameter("annotations");
+        if (param != null)
+        {
+          if (!inArchive(param))
+          {
+            param = addProtocol(param);
+          }
+
+          new AnnotationFile().readAnnotationFile(
+              currentAlignFrame.viewport.getAlignment(),
+              param,
+              protocol);
+
+          currentAlignFrame.alignPanel.fontChanged();
+          currentAlignFrame.alignPanel.setScrollValues(0, 0);
+
+        }
+
+        param = getParameter("jnetfile");
+        if (param != null)
+        {
+          try
+          {
+            if (inArchive(param))
+            {
+              protocol = AppletFormatAdapter.CLASSLOADER;
+            }
+            else
+            {
+              protocol = AppletFormatAdapter.URL;
+              param = addProtocol(param);
+            }
+
+            jalview.io.JPredFile predictions = new jalview.io.JPredFile(
+                param, protocol);
+            new JnetAnnotationMaker().add_annotation(predictions,
+                currentAlignFrame.viewport.getAlignment(),
+                0, false); // do not add sequence profile from concise output
+            currentAlignFrame.alignPanel.fontChanged();
+            currentAlignFrame.alignPanel.setScrollValues(0, 0);
+          }
+          catch (Exception ex)
+          {
+            ex.printStackTrace();
+          }
+        }
+
+        /*
+         <param name="PDBfile" value="1gaq.txt PDB|1GAQ|1GAQ|A PDB|1GAQ|1GAQ|B PDB|1GAQ|1GAQ|C">
+
+         <param name="PDBfile2" value="1gaq.txt A=SEQA B=SEQB C=SEQB">
+
+         <param name="PDBfile3" value="1q0o Q45135_9MICO">
+        */
+
+
+        int pdbFileCount = 0;
+        do{
+          if (pdbFileCount > 0)
+            param = getParameter("PDBFILE" + pdbFileCount);
+          else
+            param = getParameter("PDBFILE");
+
+          if (param != null)
+          {
+            PDBEntry pdb = new PDBEntry();
+
+            String seqstring;
+            SequenceI[] seqs = null;
+            String [] chains = null;
+
+            StringTokenizer st = new StringTokenizer(param, " ");
+
+            if (st.countTokens() < 2)
+            {
+              String sequence = applet.getParameter("PDBSEQ");
+              if (sequence != null)
+                seqs = new SequenceI[]
+                    {
+                    (Sequence) currentAlignFrame.
+                    getAlignViewport().getAlignment().
+                    findName(sequence)};
+
+            }
+            else
+            {
+              param = st.nextToken();
+              Vector tmp = new Vector();
+              Vector tmp2 = new Vector();
+
+              while (st.hasMoreTokens())
+              {
+                seqstring = st.nextToken();
+                StringTokenizer st2 = new StringTokenizer(seqstring,"=");
+                if(st2.countTokens()>1)
+                {
+                  //This is the chain
+                  tmp2.addElement(st2.nextToken());
+                  seqstring = st2.nextToken();
+                }
+                tmp.addElement( (Sequence) currentAlignFrame.
+                                 getAlignViewport().getAlignment().
+                                 findName(seqstring));
+              }
+
+              seqs = new SequenceI[tmp.size()];
+              tmp.copyInto(seqs);
+              if(tmp2.size()==tmp.size())
+              {
+                chains = new String[tmp2.size()];
+                tmp2.copyInto(chains);
+              }
+            }
+
+            if (inArchive(param) && !jmolAvailable)
+            {
+              protocol = AppletFormatAdapter.CLASSLOADER;
+            }
+            else
+            {
+              protocol = AppletFormatAdapter.URL;
+              param = addProtocol(param);
+            }
+
+            pdb.setFile(param);
+
+            if(seqs!=null)
+            {
+              for (int i = 0; i < seqs.length; i++)
+              {
+                ( (Sequence) seqs[i]).addPDBId(pdb);
+              }
+
+              if (jmolAvailable)
+              {
+                new jalview.appletgui.AppletJmol(pdb,
+                                                 seqs,
+                                                 chains,
+                                                 currentAlignFrame.alignPanel,
+                                                 protocol);
+                lastFrameX += 40;
+                lastFrameY+=40;
+              }
+              else
+                    new MCview.AppletPDBViewer(pdb,
+                                           seqs,
+                                           chains,
+                                           currentAlignFrame.alignPanel,
+                                           protocol);
+            }
+          }
+
+          pdbFileCount++;
+        }
+        while(pdbFileCount < 10);
+        
+        /////////////////////////////
+        // modify display of features
+        //
+        // hide specific groups
+        param = getParameter("hidefeaturegroups");
+        if (param != null)
+        {
+          applet.setFeatureGroupState(param, false);
+        }
+        // show specific groups
+        param = getParameter("showfeaturegroups");
+        if (param != null)
+        {
+          applet.setFeatureGroupState(param, true);
+        }
+      }
+      else
+      {
+        fileFound = false;
+        remove(launcher);
+        repaint();
+      }
+    }
+
+    /**
+     * Discovers whether the given file is in the Applet Archive
+     * @param file String
+     * @return boolean
+     */
+    boolean inArchive(String file)
+    {
+      //This might throw a security exception in certain browsers
+      //Netscape Communicator for instance.
+      try
+      {
+        return (getClass().getResourceAsStream("/" + file) != null);
+      }
+      catch (Exception ex)
+      {
+        System.out.println("Exception checking resources: " + file + " " + ex);
+        return false;
+      }
+    }
+
+    String addProtocol(String file)
+    {
+      if (file.indexOf("://") == -1)
+      {
+        file = getCodeBase() + file;
+      }
+
+      return file;
+    }
+  }
+
+  public String[] tabbedListToArray(String list)
+  {
+    if (list==null || list.equals(""))
+      return null;
+    java.util.Vector jv = new Vector();
+    int cp=0,pos;
+    while ((pos=list.indexOf("\t",cp))>cp)
+    {
+      jv.addElement(list.substring(cp,pos));
+      cp = pos+1;
+    }
+    if (cp<list.length())
+    {
+      jv.addElement(list.substring(cp));
+    }
+    if (jv.size()>0)
+    { String[] v = new String[jv.size()];
+      jv.copyInto(v);
+      jv.removeAllElements();
+      if (debug)
+      {
+        System.err.println("Array from Tabbed List:\n"+v.length+"\n"+v.toString());
+      }
+      return v;
+    }
+    if (debug)
+    {
+      System.err.println("Empty Array from Tabbed List");
+    }
+    return null;
+  }
+
+  public String ArraytotabbedList(String[] list)
+  {
+    StringBuffer v = new StringBuffer();
+    if (list!=null)
+    {
+      for (int i=0,iSize=list.length-1;i<iSize;i++)
+      { 
+        if (list[i]!=null)
+        {  
+          v.append(list[i]); 
+        }
+        v.append("\t");
+      }
+      if (list[list.length-1]!=null)
+      { v.append(list[list.length-1]);
+      }
+      if (debug)
+      {
+        System.err.println("Tabbed List:\n"+v.toString());
+      }
+      return v.toString();
+    }
+    if (debug)
+    {
+      System.err.println("Empty Tabbed List\n");
+    }
+    return "";
+  }
+  /**
+   * @return
+   * @see jalview.appletgui.AlignFrame#getFeatureGroups()
+   */
+  public String getFeatureGroups()
+  {
+    String lst = ArraytotabbedList(currentAlignFrame.getFeatureGroups());
+    return lst;
+  }
+
+  /**
+   * @param visible
+   * @return
+   * @see jalview.appletgui.AlignFrame#getFeatureGroupsOfState(boolean)
+   */
+  public String getFeatureGroupsOfState(boolean visible)
+  {
+    return ArraytotabbedList(currentAlignFrame.getFeatureGroupsOfState(visible));
+  }
+  /**
+   * @param groups tab separated list of group names 
+   * @param state true or false
+   * @see jalview.appletgui.AlignFrame#setFeatureGroupState(java.lang.String[], boolean)
+   */
+  public void setFeatureGroupState(AlignFrame alf, String groups, boolean state)
+  {
+    boolean st = state;//!(state==null || state.equals("") || state.toLowerCase().equals("false"));
+    alf.setFeatureGroupState(tabbedListToArray(groups), st);
+  }
+  public void setFeatureGroupState(String groups, boolean state)
+  {
+    setFeatureGroupState(currentAlignFrame, groups, state);
+  }
+}