Jalview 2.6 source licence
[jalview.git] / src / jalview / bin / JalviewLite.java
index 331e7f5..157c22b 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
-\r
-        param = getParameter("features");\r
-        if(param!=null)\r
-        {\r
-          if(param.indexOf("://")==-1)\r
-               param = getCodeBase() + param;\r
-        }\r
-        final String featuresFile = param;\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
-                            featuresFile,\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
-                            featuresFile,\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 = new AppletFormatAdapter().readFile(args[0], "File", format);\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
-        String featuresFile;\r
-        JalviewLite applet;\r
-\r
-        public LoadingThread(String file,\r
-                             String protocol,\r
-                             String features,\r
-                             JalviewLite applet)\r
-        {\r
-            this.file = file;\r
-            this.protocol = protocol;\r
-            format = jalview.io.IdentifyFile.Identify(file, "URL");\r
-            featuresFile = features;\r
-            this.applet = applet;\r
-        }\r
-\r
-        public void run()\r
-        {\r
-            SequenceI[] sequences = null;\r
-            sequences = new AppletFormatAdapter().readFile(file, protocol, format);\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
-              if (featuresFile != null)\r
-                  currentAlignFrame.parseFeaturesFile(featuresFile);\r
-\r
-                String treeFile = applet.getParameter("treeFile");\r
-                if (treeFile != null)\r
-                {\r
-                  try\r
-                  {\r
-                    jalview.io.NewickFile fin = new jalview.io.NewickFile(applet.\r
-                        getCodeBase() + 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", applet.getCodeBase() + 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
-\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 (Version 2.6)
+ * Copyright (C) 2010 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
+ * 
+ * This file is part of Jalview.
+ * 
+ * Jalview 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 3 of the License, or (at your option) any later version.
+ * 
+ * Jalview 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 Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package jalview.bin;
+
+import jalview.api.SequenceStructureBinding;
+import jalview.appletgui.AlignFrame;
+import jalview.appletgui.AppletJmol;
+import jalview.appletgui.EmbmenuFrame;
+import jalview.appletgui.FeatureSettings;
+import jalview.datamodel.Alignment;
+import jalview.datamodel.PDBEntry;
+import jalview.datamodel.Sequence;
+import jalview.datamodel.SequenceI;
+import jalview.io.AnnotationFile;
+import jalview.io.AppletFormatAdapter;
+import jalview.io.FileParse;
+import jalview.io.IdentifyFile;
+import jalview.io.JnetAnnotationMaker;
+
+import java.applet.Applet;
+import java.awt.Button;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Font;
+import java.awt.Frame;
+import java.awt.Graphics;
+import java.awt.event.ActionEvent;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.lang.reflect.Method;
+import java.util.Enumeration;
+import java.util.StringTokenizer;
+import java.util.Vector;
+
+/**
+ * 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 String list of selected sequence IDs, each terminated by "¬"
+   *         (&#172;)
+   */
+  public String getSelectedSequences()
+  {
+    return getSelectedSequencesFrom(getDefaultTargetFrame());
+  }
+
+  /**
+   * @param sep
+   *          separator string or null for default
+   * @return String list of selected sequence IDs, each terminated by sep or
+   *         ("¬" as default)
+   */
+  public String getSelectedSequences(String sep)
+  {
+    return getSelectedSequencesFrom(getDefaultTargetFrame(), sep);
+  }
+
+  /**
+   * @param alf
+   *          alignframe containing selection
+   * @return String list of selected sequence IDs, each terminated by "¬"
+   * 
+   */
+  public String getSelectedSequencesFrom(AlignFrame alf)
+  {
+    return getSelectedSequencesFrom(alf, "¬");
+  }
+
+  /**
+   * get list of selected sequence IDs separated by given separator
+   * 
+   * @param alf
+   *          window containing selection
+   * @param sep
+   *          separator string to use - default is "¬"
+   * @return String list of selected sequence IDs, each terminated by the given
+   *         separator
+   */
+  public String getSelectedSequencesFrom(AlignFrame alf, String sep)
+  {
+    StringBuffer result = new StringBuffer("");
+    if (sep == null || sep.length() == 0)
+    {
+      sep = "¬";
+    }
+    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());
+        result.append(sep);
+      }
+    }
+
+    return result.toString();
+  }
+
+  /**
+   * get sequences selected in current alignFrame and return their alignment in
+   * format 'format' either with or without suffix
+   * 
+   * @param alf
+   *          - where selection is
+   * @param format
+   *          - format of alignment file
+   * @param suffix
+   *          - "true" to append /start-end string to each sequence ID
+   * @return selected sequences as flat file or empty string if there was no
+   *         current selection
+   */
+  public String getSelectedSequencesAsAlignment(String format, String suffix)
+  {
+    return getSelectedSequencesAsAlignmentFrom(currentAlignFrame, format,
+            suffix);
+  }
+
+  /**
+   * get sequences selected in alf and return their alignment in format 'format'
+   * either with or without suffix
+   * 
+   * @param alf
+   *          - where selection is
+   * @param format
+   *          - format of alignment file
+   * @param suffix
+   *          - "true" to append /start-end string to each sequence ID
+   * @return selected sequences as flat file or empty string if there was no
+   *         current selection
+   */
+  public String getSelectedSequencesAsAlignmentFrom(AlignFrame alf,
+          String format, String suffix)
+  {
+    try
+    {
+      boolean seqlimits = suffix.equalsIgnoreCase("true");
+      if (alf.viewport.getSelectionGroup() != null)
+      {
+        String reply = new AppletFormatAdapter().formatSequences(format,
+                new Alignment(alf.viewport.getSelectionAsNewSequence()),
+                seqlimits);
+        return reply;
+      }
+    } catch (Exception ex)
+    {
+      ex.printStackTrace();
+      return "Error retrieving alignment in " + format + " format. ";
+    }
+    return "";
+  }
+
+  public String getAlignment(String format)
+  {
+    return getAlignmentFrom(getDefaultTargetFrame(), format, "true");
+  }
+
+  public String getAlignmentFrom(AlignFrame alf, String format)
+  {
+    return getAlignmentFrom(alf, format, "true");
+  }
+
+  public String getAlignment(String format, String suffix)
+  {
+    return getAlignmentFrom(getDefaultTargetFrame(), format, suffix);
+  }
+
+  public String getAlignmentFrom(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)
+  {
+    loadAnnotationFrom(getDefaultTargetFrame(), annotation);
+  }
+
+  public void loadAnnotationFrom(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 getFeaturesFrom(getDefaultTargetFrame(), format);
+  }
+
+  public String getFeaturesFrom(AlignFrame alf, String format)
+  {
+    return alf.outputFeatures(false, format);
+  }
+
+  public String getAnnotation()
+  {
+    return getAnnotationFrom(getDefaultTargetFrame());
+  }
+
+  public String getAnnotationFrom(AlignFrame alf)
+  {
+    return alf.outputAnnotations(false);
+  }
+
+  public AlignFrame newView()
+  {
+    return newViewFrom(getDefaultTargetFrame());
+  }
+
+  public AlignFrame newView(String name)
+  {
+    return newViewFrom(getDefaultTargetFrame(), name);
+  }
+
+  public AlignFrame newViewFrom(AlignFrame alf)
+  {
+    return alf.newView(null);
+  }
+
+  public AlignFrame newViewFrom(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;
+  }
+
+  // //////////////////////////////////////////////
+  // //////////////////////////////////////////////
+
+  public static int lastFrameX = 200;
+
+  public 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. Note that it will *never* point back to the embedded
+   * AlignFrame if the applet is started as embedded on the page and then
+   * afterwards a new view is created.
+   */
+  public static AlignFrame currentAlignFrame = null;
+
+  /**
+   * This is the first frame to be displayed, and does not change. API calls
+   * will default to this instance if currentAlignFrame is null.
+   */
+  AlignFrame initialAlignFrame = null;
+
+  boolean embedded = false;
+
+  private boolean checkForJmol = true;
+
+  private boolean checkedForJmol = false; // ensure we don't check for jmol
+
+  // every time the app is re-inited
+
+  public boolean jmolAvailable = false;
+
+  private boolean alignPdbStructures=false;
+
+  public static boolean debug = false;
+
+  static String builddate = null, version = null;
+
+  private static void initBuildDetails()
+  {
+    if (builddate == null)
+    {
+      builddate = "unknown";
+      version = "test";
+      java.net.URL url = JalviewLite.class
+              .getResource("/.build_properties");
+      if (url != null)
+      {
+        try
+        {
+          BufferedReader reader = new BufferedReader(new InputStreamReader(
+                  url.openStream()));
+          String line;
+          while ((line = reader.readLine()) != null)
+          {
+            if (line.indexOf("VERSION") > -1)
+            {
+              version = line.substring(line.indexOf("=") + 1);
+            }
+            if (line.indexOf("BUILD_DATE") > -1)
+            {
+              builddate = line.substring(line.indexOf("=") + 1);
+            }
+          }
+        } catch (Exception ex)
+        {
+          ex.printStackTrace();
+        }
+      }
+    }
+  }
+
+  public static String getBuildDate()
+  {
+    initBuildDetails();
+    return builddate;
+  }
+
+  public static String getVersion()
+  {
+    initBuildDetails();
+    return version;
+  }
+
+  /**
+   * init method for Jalview Applet
+   */
+  public void init()
+  {
+
+    /**
+     * turn on extra applet debugging
+     */
+    String dbg = getParameter("debug");
+    if (dbg != null)
+    {
+      debug = dbg.toLowerCase().equals("true");
+    }
+    if (debug)
+    {
+
+      System.err.println("JalviewLite Version " + getVersion());
+      System.err.println("Build Date : " + getBuildDate());
+
+    }
+    /**
+     * if true disable the check for jmol
+     */
+    String chkforJmol = getParameter("nojmol");
+    if (chkforJmol != null)
+    {
+      checkForJmol = !chkforJmol.equals("true");
+    }
+    /**
+     * get the separator parameter if present
+     */
+    String sep = getParameter("separator");
+    if (sep != null)
+    {
+      if (sep.length() > 0)
+      {
+        separator = sep;
+        if (debug)
+        {
+          System.err.println("Separator set to '" + separator + "'");
+        }
+      }
+      else
+      {
+        throw new Error(
+                "Invalid separator parameter - must be non-zero length");
+      }
+    }
+    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();
+      }
+    }
+
+    final JalviewLite applet = this;
+    if (getParameter("embedded") != null
+            && getParameter("embedded").equalsIgnoreCase("true"))
+    {
+      // Launch as embedded applet in page
+      embedded = true;
+      LoadingThread loader = new LoadingThread(file, applet);
+      loader.start();
+    }
+    else if (file != null)
+    {
+      if (getParameter("showbutton") == null
+              || !getParameter("showbutton").equalsIgnoreCase("false"))
+      {
+        // Add the JalviewLite 'Button' to the page
+        add(launcher);
+        launcher.addActionListener(new java.awt.event.ActionListener()
+        {
+          public void actionPerformed(ActionEvent e)
+          {
+            LoadingThread loader = new LoadingThread(file, applet);
+            loader.start();
+          }
+        });
+      }
+      else
+      {
+        // Open jalviewLite immediately.
+        LoadingThread loader = new LoadingThread(file, applet);
+        loader.start();
+      }
+    }
+    else
+    {
+      // jalview initialisation with no alignment. loadAlignment() method can
+      // still be called to open new alignments.
+      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;
+        if (frame instanceof EmbmenuFrame)
+        {
+          ((EmbmenuFrame) frame).destroyMenus();
+        }
+        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);
+          }
+        }
+        // be good.
+        super.windowActivated(e);
+      }
+      /*
+       * Probably not necessary to do this - see TODO above. (non-Javadoc)
+       * 
+       * @see
+       * java.awt.event.WindowAdapter#windowDeactivated(java.awt.event.WindowEvent
+       * )
+       * 
+       * public void windowDeactivated(WindowEvent e) { if (currentAlignFrame ==
+       * frame) { currentAlignFrame = null; if (debug) {
+       * System.err.println("Deactivated window "+frame); } }
+       * super.windowDeactivated(e); }
+       */
+    });
+    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
+  {
+    private boolean running = false;
+
+    public void run()
+    {
+      if (running || checkedForJmol)
+      {
+        return;
+      }
+      running = true;
+      if (checkForJmol)
+      {
+        try
+        {
+          if (!System.getProperty("java.version").startsWith("1.1"))
+          {
+            Class.forName("org.jmol.adapter.smarter.SmarterJmolAdapter");
+            jmolAvailable = true;
+          }
+          if (!jmolAvailable)
+          {
+            System.out
+                    .println("Jmol not available - Using MCview for structures");
+          }
+        } catch (java.lang.ClassNotFoundException ex)
+        {
+        }
+      }
+      else
+      {
+        jmolAvailable = false;
+        if (debug)
+        {
+          System.err
+                  .println("Skipping Jmol check. Will use MCView (probably)");
+        }
+      }
+      checkedForJmol = true;
+      running = false;
+    }
+
+    public boolean notFinished()
+    {
+      return running || !checkedForJmol;
+    }
+  }
+
+  class LoadingThread extends Thread
+  {
+    /**
+     * State variable: File source
+     */
+    String file;
+
+    /**
+     * State variable: protocol for access to file source
+     */
+    String protocol;
+
+    /**
+     * State variable: format of file source
+     */
+    String format;
+
+    String _file;
+
+    JalviewLite applet;
+
+    private void dbgMsg(String msg)
+    {
+      if (applet.debug)
+      {
+        System.err.println(msg);
+      }
+    }
+
+    /**
+     * update the protocol state variable for accessing the datasource located
+     * by file.
+     * 
+     * @param file
+     * @return possibly updated datasource string
+     */
+    public String setProtocolState(String 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;
+      }
+      dbgMsg("Protocol identified as '" + protocol + "'");
+      return file;
+    }
+
+    public LoadingThread(String _file, JalviewLite _applet)
+    {
+      this._file = _file;
+      applet = _applet;
+    }
+
+    public void run()
+    {
+      LoadJmolThread jmolchecker = new LoadJmolThread();
+      jmolchecker.start();
+      while (jmolchecker.notFinished())
+      {
+        // wait around until the Jmol check is complete.
+        try
+        {
+          Thread.sleep(2);
+        } catch (Exception e)
+        {
+        }
+        ;
+      }
+      startLoading();
+    }
+
+    private void startLoading()
+    {
+      AlignFrame newAlignFrame;
+      dbgMsg("Loading thread started with:\n>>file\n" + _file + ">>endfile");
+      file = setProtocolState(_file);
+
+      format = new jalview.io.IdentifyFile().Identify(file, protocol);
+      dbgMsg("File identified as '" + format + "'");
+      dbgMsg("Loading started.");
+      Alignment al = null;
+      try
+      {
+        al = new AppletFormatAdapter().readFile(file, protocol, format);
+      } catch (java.io.IOException ex)
+      {
+        dbgMsg("File load exception.");
+        ex.printStackTrace();
+        if (debug)
+        {
+          try
+          {
+            FileParse fp = new FileParse(file, protocol);
+            String ln = null;
+            dbgMsg(">>>Dumping contents of '" + file + "' " + "("
+                    + protocol + ")");
+            while ((ln = fp.nextLine()) != null)
+            {
+              dbgMsg(ln);
+            }
+            dbgMsg(">>>Dump finished.");
+          } catch (Exception e)
+          {
+            System.err
+                    .println("Exception when trying to dump the content of the file parameter.");
+            e.printStackTrace();
+          }
+        }
+      }
+      if ((al != null) && (al.getHeight() > 0))
+      {
+        dbgMsg("Successfully loaded file.");
+        newAlignFrame = new AlignFrame(al, applet, file, embedded);
+        if (initialAlignFrame == null)
+        {
+          initialAlignFrame = newAlignFrame;
+        }
+        // update the focus.
+        currentAlignFrame = newAlignFrame;
+
+        if (protocol == jalview.io.AppletFormatAdapter.PASTE)
+        {
+          newAlignFrame.setTitle("Sequences from " + getDocumentBase());
+        }
+
+        newAlignFrame.statusBar.setText("Successfully loaded file " + file);
+
+        String treeFile = applet.getParameter("tree");
+        if (treeFile == null)
+        {
+          treeFile = applet.getParameter("treeFile");
+        }
+
+        if (treeFile != null)
+        {
+          try
+          {
+            treeFile = setProtocolState(treeFile);
+            /*
+             * 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)
+            {
+              newAlignFrame.loadTree(fin, treeFile);
+              dbgMsg("Successfuly imported tree.");
+            }
+            else
+            {
+              dbgMsg("Tree parameter did not resolve to a valid tree.");
+            }
+          } catch (Exception ex)
+          {
+            ex.printStackTrace();
+          }
+        }
+
+        String param = getParameter("features");
+        if (param != null)
+        {
+          param = setProtocolState(param);
+
+          newAlignFrame.parseFeaturesFile(param, protocol);
+        }
+
+        param = getParameter("showFeatureSettings");
+        if (param != null && param.equalsIgnoreCase("true"))
+        {
+          newAlignFrame.viewport.showSequenceFeatures(true);
+          new FeatureSettings(newAlignFrame.alignPanel);
+        }
+
+        param = getParameter("annotations");
+        if (param != null)
+        {
+          param = setProtocolState(param);
+
+          if (new AnnotationFile().readAnnotationFile(
+                  newAlignFrame.viewport.getAlignment(), param, protocol))
+          {
+            newAlignFrame.alignPanel.fontChanged();
+            newAlignFrame.alignPanel.setScrollValues(0, 0);
+          }
+          else
+          {
+            System.err
+                    .println("Annotations were not added from annotation file '"
+                            + param + "'");
+          }
+
+        }
+
+        param = getParameter("jnetfile");
+        if (param != null)
+        {
+          try
+          {
+            param = setProtocolState(param);
+            jalview.io.JPredFile predictions = new jalview.io.JPredFile(
+                    param, protocol);
+            JnetAnnotationMaker.add_annotation(predictions,
+                    newAlignFrame.viewport.getAlignment(), 0, false); // false==do
+            // not
+            // add
+            // sequence
+            // profile
+            // from
+            // concise
+            // output
+            newAlignFrame.alignPanel.fontChanged();
+            newAlignFrame.alignPanel.setScrollValues(0, 0);
+          } catch (Exception ex)
+          {
+            ex.printStackTrace();
+          }
+        }
+        /*
+         * <param name="alignpdbfiles" value="false/true"/>
+         * Undocumented for 2.6 - related to JAL-434
+         */
+        applet.setAlignPdbStructures(getDefaultParameter("alignpdbfiles",false));
+        /*
+         * <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;
+        // Accumulate pdbs here if they are heading for the same view (if alignPdbStructures is true)
+        Vector pdbs=new Vector();
+        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) newAlignFrame.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) newAlignFrame.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);
+              }
+            }
+            param = setProtocolState(param);
+
+            if (// !jmolAvailable
+            // &&
+            protocol == AppletFormatAdapter.CLASSLOADER)
+            {
+              // TODO: verify this Re:
+              // https://mantis.lifesci.dundee.ac.uk/view.php?id=36605
+              // This exception preserves the current behaviour where, even if
+              // the local pdb file was identified in the class loader
+              protocol = AppletFormatAdapter.URL; // this is probably NOT
+              // CORRECT!
+              param = addProtocol(param); //
+            }
+
+            pdb.setFile(param);
+
+            if (seqs != null)
+            {
+              for (int i = 0; i < seqs.length; i++)
+              {
+                if (seqs[i] != null)
+                {
+                  ((Sequence) seqs[i]).addPDBId(pdb);
+                }
+                else
+                {
+                  if (JalviewLite.debug)
+                  {
+                    // this may not really be a problem but we give a warning
+                    // anyway
+                    System.err
+                            .println("Warning: Possible input parsing error: Null sequence for attachment of PDB (sequence "
+                                    + i + ")");
+                  }
+                }
+              }
+              
+              if (!alignPdbStructures) {
+                newAlignFrame.newStructureView(applet, pdb, seqs, chains,
+                      protocol);
+              } else {
+                pdbs.addElement(new Object[] { pdb, seqs, chains, new String(protocol)});
+              }
+            }
+          }
+
+          pdbFileCount++;
+        } while (pdbFileCount < 10);
+        if (pdbs.size()>0)
+        {
+          SequenceI[][] seqs = new SequenceI[pdbs.size()][];
+          PDBEntry[] pdb = new PDBEntry[pdbs.size()];
+          String[][] chains = new String[pdbs.size()][];
+          String[] protocols = new String[pdbs.size()];
+          for (int pdbsi=0,pdbsiSize=pdbs.size(); pdbsi<pdbsiSize;pdbsi++)
+          {
+            Object[] o = (Object[]) pdbs.elementAt(pdbsi);
+            pdb[pdbsi] = (PDBEntry) o[0];
+            seqs[pdbsi] = (SequenceI[]) o[1];
+            chains[pdbsi] = (String[]) o[2];
+            protocols[pdbsi] = (String) o[3];
+          }
+          newAlignFrame.alignedStructureView(applet, pdb, seqs, chains, protocols);
+          
+        }
+        // ///////////////////////////
+        // modify display of features
+        //
+        // hide specific groups
+        param = getParameter("hidefeaturegroups");
+        if (param != null)
+        {
+          applet.setFeatureGroupStateOn(newAlignFrame, param, false);
+        }
+        // show specific groups
+        param = getParameter("showfeaturegroups");
+        if (param != null)
+        {
+          applet.setFeatureGroupStateOn(newAlignFrame, 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
+      {
+        boolean rtn = (getClass().getResourceAsStream("/" + file) != null);
+        if (debug)
+        {
+          System.err.println("Resource '" + file + "' was "
+                  + (rtn ? "" : "not") + " located by classloader.");
+        }
+        return rtn;
+      } catch (Exception ex)
+      {
+        System.out.println("Exception checking resources: " + file + " "
+                + ex);
+        return false;
+      }
+    }
+
+    String addProtocol(String file)
+    {
+      if (file.indexOf("://") == -1)
+      {
+        file = getCodeBase() + file;
+        if (debug)
+        {
+          System.err.println("Prepended codebase for resource: '" + file
+                  + "'");
+        }
+      }
+
+      return file;
+    }
+  }
+
+  /**
+   * @return the default alignFrame acted on by the public applet methods. May
+   *         return null with an error message on System.err indicating the
+   *         fact.
+   */
+  protected AlignFrame getDefaultTargetFrame()
+  {
+    if (currentAlignFrame != null)
+    {
+      return currentAlignFrame;
+    }
+    if (initialAlignFrame != null)
+    {
+      return initialAlignFrame;
+    }
+    System.err
+            .println("Implementation error: Jalview Applet API cannot work out which AlignFrame to use.");
+    return null;
+  }
+
+  /**
+   * separator used for separatorList
+   */
+  protected String separator = "|"; // this is a safe(ish) separator - tabs
+
+  // don't work for firefox
+
+  /**
+   * parse the string into a list
+   * 
+   * @param list
+   * @return elements separated by separator
+   */
+  public String[] separatorListToArray(String list)
+  {
+    int seplen = separator.length();
+    if (list == null || list.equals(""))
+      return null;
+    java.util.Vector jv = new Vector();
+    int cp = 0, pos;
+    while ((pos = list.indexOf(separator, cp)) > cp)
+    {
+      jv.addElement(list.substring(cp, pos));
+      cp = pos + seplen;
+    }
+    if (cp < list.length())
+    {
+      jv.addElement(list.substring(cp));
+    }
+    if (jv.size() > 0)
+    {
+      String[] v = new String[jv.size()];
+      for (int i = 0; i < v.length; i++)
+      {
+        v[i] = (String) jv.elementAt(i);
+      }
+      jv.removeAllElements();
+      if (debug)
+      {
+        System.err.println("Array from '" + separator
+                + "' separated List:\n" + v.length);
+        for (int i = 0; i < v.length; i++)
+        {
+          System.err.println("item " + i + " '" + v[i] + "'");
+        }
+      }
+      return v;
+    }
+    if (debug)
+    {
+      System.err.println("Empty Array from '" + separator
+              + "' separated List");
+    }
+    return null;
+  }
+
+  /**
+   * concatenate the list with separator
+   * 
+   * @param list
+   * @return concatenated string
+   */
+  public String arrayToSeparatorList(String[] list)
+  {
+    StringBuffer v = new StringBuffer();
+    if (list != null && list.length>0)
+    {
+      for (int i = 0, iSize = list.length - 1; i < iSize; i++)
+      {
+        if (list[i] != null)
+        {
+          v.append(list[i]);
+        }
+        v.append(separator);
+      }
+      if (list[list.length - 1] != null)
+      {
+        v.append(list[list.length - 1]);
+      }
+      if (debug)
+      {
+        System.err.println("Returning '" + separator
+                + "' separated List:\n");
+        System.err.println(v);
+      }
+      return v.toString();
+    }
+    if (debug)
+    {
+      System.err.println("Returning empty '" + separator
+              + "' separated List\n");
+    }
+    return "";
+  }
+
+  /**
+   * @return
+   * @see jalview.appletgui.AlignFrame#getFeatureGroups()
+   */
+  public String getFeatureGroups()
+  {
+    String lst = arrayToSeparatorList(getDefaultTargetFrame()
+            .getFeatureGroups());
+    return lst;
+  }
+
+  /**
+   * @param alf
+   *          alignframe to get feature groups on
+   * @return
+   * @see jalview.appletgui.AlignFrame#getFeatureGroups()
+   */
+  public String getFeatureGroupsOn(AlignFrame alf)
+  {
+    String lst = arrayToSeparatorList(alf.getFeatureGroups());
+    return lst;
+  }
+
+  /**
+   * @param visible
+   * @return
+   * @see jalview.appletgui.AlignFrame#getFeatureGroupsOfState(boolean)
+   */
+  public String getFeatureGroupsOfState(boolean visible)
+  {
+    return arrayToSeparatorList(getDefaultTargetFrame()
+            .getFeatureGroupsOfState(visible));
+  }
+
+  /**
+   * @param alf
+   *          align frame to get groups of state visible
+   * @param visible
+   * @return
+   * @see jalview.appletgui.AlignFrame#getFeatureGroupsOfState(boolean)
+   */
+  public String getFeatureGroupsOfStateOn(AlignFrame alf, boolean visible)
+  {
+    return arrayToSeparatorList(alf.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 setFeatureGroupStateOn(AlignFrame alf, String groups,
+          boolean state)
+  {
+    boolean st = state;// !(state==null || state.equals("") ||
+    // state.toLowerCase().equals("false"));
+    alf.setFeatureGroupState(separatorListToArray(groups), st);
+  }
+
+  public void setFeatureGroupState(String groups, boolean state)
+  {
+    setFeatureGroupStateOn(getDefaultTargetFrame(), groups, state);
+  }
+
+  /**
+   * List separator string
+   * 
+   * @return the separator
+   */
+  public String getSeparator()
+  {
+    return separator;
+  }
+
+  /**
+   * List separator string
+   * 
+   * @param separator
+   *          the separator to set
+   */
+  public void setSeparator(String separator)
+  {
+    this.separator = separator;
+  }
+
+  /**
+   * get boolean value of applet parameter 'name' and return default if
+   * parameter is not set
+   * 
+   * @param name
+   *          name of paremeter
+   * @param def
+   *          the value to return otherwise
+   * @return true or false
+   */
+  public boolean getDefaultParameter(String name, boolean def)
+  {
+    String stn;
+    if ((stn = getParameter(name)) == null)
+    {
+      return def;
+    }
+    if (stn.toLowerCase().equals("true"))
+    {
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * bind a pdb file to a sequence in the given alignFrame.
+   * 
+   * @param alFrame
+   *          - null or specific alignFrame. This specifies the dataset that
+   *          will be searched for a seuqence called sequenceId
+   * @param sequenceId
+   *          - sequenceId within the dataset.
+   * @param pdbEntryString
+   *          - the short name for the PDB file
+   * @param pdbFile
+   *          - pdb file - either a URL or a valid PDB file.
+   * @return true if binding was as success TODO: consider making an exception
+   *         structure for indicating when PDB parsing or seqeunceId location
+   *         fails.
+   */
+  public boolean addPdbFile(AlignFrame alFrame, String sequenceId,
+          String pdbEntryString, String pdbFile)
+  {
+    return alFrame.addPdbFile(sequenceId, pdbEntryString, pdbFile);
+  }
+
+  protected void setAlignPdbStructures(boolean alignPdbStructures)
+  {
+    this.alignPdbStructures = alignPdbStructures;
+  }
+
+  public boolean isAlignPdbStructures()
+  {
+    return alignPdbStructures;
+  }
+
+  /**
+   * get all components associated with the applet of the given type 
+   * @param class1
+   * @return
+   */
+  public Vector getAppletWindow(Class class1)
+  {
+    Vector wnds = new Vector();
+    Component[] cmp = getComponents();
+    if (cmp!=null)
+    {
+    for (int i=0;i<cmp.length;i++)
+    {
+      if (class1.isAssignableFrom(cmp[i].getClass()))
+      {
+        wnds.addElement(cmp);
+      }
+    }}
+    return wnds;
+  }
+
+
+  /**
+   * bind structures in a viewer to any matching sequences in an alignFrame (use
+   * sequenceIds to limit scope of search to specific sequences)
+   * 
+   * @param alFrame
+   * @param viewer
+   * @param sequenceIds
+   * @return TODO: consider making an exception structure for indicating when
+   *         binding fails
+  public SequenceStructureBinding addStructureViewInstance(
+          AlignFrame alFrame, Object viewer, String sequenceIds)
+  {
+
+    if (sequenceIds != null && sequenceIds.length() > 0)
+    {
+      return alFrame.addStructureViewInstance(viewer,
+              separatorListToArray(sequenceIds));
+    }
+    else
+    {
+      return alFrame.addStructureViewInstance(viewer, null);
+    }
+    // return null;
+  }
+   */
+}