JAL-3369 JAL-3253-applet adds JS app.showOverview()
[jalview.git] / src / jalview / bin / Jalview.java
index e244d67..28d029c 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.gui.*;\r
-\r
-import javax.swing.*;\r
-\r
-import java.util.Vector;\r
-\r
-\r
-/**\r
- * Main class for Jalview Application\r
- * <br>\r
- * <br>start with java -Djava.ext.dirs=$PATH_TO_LIB$ jalview.bin.Jalview\r
- *\r
- * @author $author$\r
- * @version $Revision$\r
- */\r
-public class Jalview\r
-{\r
-\r
-    /**\r
-     * main class for Jalview application\r
-     *\r
-     * @param args open <em>filename</em>\r
-     */\r
-    public static void main(String[] args)\r
-    {\r
-      System.out.println("Java version: "+System.getProperty("java.version"));\r
-      System.out.println(System.getProperty("os.arch")+" "\r
-                         +System.getProperty("os.name")+" "\r
-                         +System.getProperty("os.version"));\r
-\r
-\r
-      ArgsParser aparser = new ArgsParser(args);\r
-      boolean headless = false;\r
-\r
-      if( aparser.contains("help") || aparser.contains("h") )\r
-      {\r
-        System.out.println("Usage: jalview -open [FILE] [OUTPUT_FORMAT] [OUTPUT_FILE]\n\n"\r
-                           +"-nodisplay\tRun Jalview without User Interface.\n"\r
-                           +"-props FILE\tUse the given Jalview properties file instead of users default.\n"\r
-                           +"-groups FILE\tUse the given file to mark groups on the alignment."\r
-                           +"\nThe first lines of the groups file lists the GroupName and GroupColours"\r
-                           +" to be used in the alignment. Use the GROUPNAME label for each of your sequences. "\r
-                           +"\nGROUPNAME<tab>GROUPCOLOUR\n"\r
-                           +"TEXT<tab>SEQUENCE_ID<tab>SEQUENCE_INDEX<tab>START_RESIDUE<tab>END_RESIDUE<tab>GROUPNAME\n"\r
-                           +"SequenceID is used in preference to SequenceIndex if both are provided.\n"\r
-                           +"Enter ID_NOT_SPECIFIED for SEQUENCE_ID or -1 for SEQUENCE_INDEX if unknown.\n"\r
-                           +"COLOUR can be hexadecimal RGB or 'red', 'blue' etc.\n\n"\r
-                           +"-fasta FILE\tCreate alignment file FILE in Fasta format.\n"\r
-                           +"-clustal FILE\tCreate alignment file FILE in Clustal format.\n"\r
-                           +"-pfam FILE\tCreate alignment file FILE in PFAM format.\n"\r
-                           +"-msf FILE\tCreate alignment file FILE in MSF format.\n"\r
-                           +"-pileup FILE\tCreate alignment file FILE in Pileup format\n"\r
-                           +"-pir FILE\tCreate alignment file FILE in PIR format.\n"\r
-                           +"-blc FILE\tCreate alignment file FILE in BLC format.\n"\r
-                           +"-jalview FILE\tCreate alignment file FILE in Jalview format.\n"\r
-                           +"-png FILE\tCreate PNG image FILE from alignment.\n"\r
-                           +"-imgMap FILE\tCreate HTML file FILE with image map of PNG image.\n"\r
-                           +"-eps FILE\tCreate EPS file FILE from alignment.");\r
-        System.exit(0);\r
-          }\r
-\r
-          Cache.loadProperties(aparser.getValue("props")); // must do this before anything else!\r
-\r
-          if (aparser.contains("nodisplay"))\r
-          {\r
-            System.setProperty("java.awt.headless", "true");\r
-          }\r
-          if (System.getProperty("java.awt.headless") != null\r
-              && System.getProperty("java.awt.headless").equals("true"))\r
-          {\r
-            headless = true;\r
-          }\r
-\r
-          try\r
-          {\r
-            Cache.initLogger();\r
-          }\r
-          catch (java.lang.NoClassDefFoundError error)\r
-          {\r
-            error.printStackTrace();\r
-            System.out.println(\r
-                "\nEssential logging libraries not found."\r
-                +"\nUse: java -Djava.ext.dirs=$PATH_TO_LIB$ jalview.bin.Jalview");\r
-            System.exit(0);\r
-          }\r
-\r
-        Desktop desktop = null;\r
-        if( !headless )\r
-        {\r
-          try\r
-          {\r
-            UIManager.setLookAndFeel(\r
-                   UIManager.getSystemLookAndFeelClassName()\r
-            //        UIManager.getCrossPlatformLookAndFeelClassName()\r
-//"com.sun.java.swing.plaf.gtk.GTKLookAndFeel"\r
-//"javax.swing.plaf.metal.MetalLookAndFeel"\r
-//"com.sun.java.swing.plaf.windows.WindowsLookAndFeel"\r
-//"com.sun.java.swing.plaf.motif.MotifLookAndFeel"\r
-\r
-                );\r
-          }\r
-          catch (Exception ex)\r
-          {\r
-          }\r
-\r
-          desktop = new Desktop();\r
-          desktop.setVisible(true);\r
-          desktop.discoverer.start();\r
-        }\r
-\r
-\r
-         String file = null, protocol = null, format = null, groups=null;\r
-         jalview.io.FileLoader fileLoader = new jalview.io.FileLoader();\r
-\r
-          file = aparser.getValue("open");\r
-\r
-          if (file == null && desktop==null)\r
-          {\r
-            System.out.println("No files to open!");\r
-            System.exit(1);\r
-          }\r
-\r
-          if(file!=null)\r
-          {\r
-\r
-            if (!file.startsWith("http://"))\r
-            {\r
-              if (! (new java.io.File(file)).exists())\r
-              {\r
-                System.out.println("Can't find " + file);\r
-                if(headless)\r
-                  System.exit(1);\r
-              }\r
-            }\r
-\r
-            protocol = "File";\r
-\r
-            if (file.indexOf("http:") > -1)\r
-            {\r
-              protocol = "URL";\r
-            }\r
-\r
-            if (file.endsWith(".jar"))\r
-              format = "Jalview";\r
-            else\r
-              format = new jalview.io.IdentifyFile().Identify(file, protocol);\r
-\r
-            System.out.println("Opening: " + format + " file " + file);\r
-\r
-            AlignFrame af = fileLoader.LoadFileWaitTillLoaded(file, protocol, format);\r
-\r
-            groups = aparser.getValue("groups");\r
-            if (groups != null)\r
-            {\r
-              af.parseGroupsFile(groups);\r
-            }\r
-\r
-            String imageName = "unnamed.png";\r
-            while (aparser.getSize() > 1)\r
-            {\r
-              format = aparser.nextValue();\r
-              file = aparser.nextValue();\r
-\r
-              if (format.equalsIgnoreCase("png"))\r
-              {\r
-                af.createPNG(new java.io.File(file));\r
-                imageName = (new java.io.File(file)).getName();\r
-                System.out.println("Creating PNG image: " + file);\r
-                continue;\r
-              }\r
-              else if (format.equalsIgnoreCase("imgMap"))\r
-              {\r
-                af.createImageMap(new java.io.File(file), imageName);\r
-                System.out.println("Creating image map: " + file);\r
-                continue;\r
-              }\r
-              else if (format.equalsIgnoreCase("eps"))\r
-              {\r
-                System.out.println("Creating EPS file: " + file);\r
-                af.createEPS(new java.io.File(file));\r
-                continue;\r
-              }\r
-\r
-              if (af.saveAlignment(file, format))\r
-                System.out.println("Written alignment in " + format +\r
-                                   " format to " + file);\r
-              else\r
-                System.out.println("Error writing file " + file + " in " + format +\r
-                                   " format!!");\r
-\r
-            }\r
-\r
-            while (aparser.getSize() > 0)\r
-            {\r
-              System.out.println("Unknown arg: " + aparser.nextValue());\r
-            }\r
-          }\r
-\r
-        // We'll only open the default file if the desktop is visible.\r
-        //////////////////////\r
-          if (\r
-              !headless\r
-          && jalview.bin.Cache.getDefault("SHOW_STARTUP_FILE", true)\r
-                    )\r
-          {\r
-\r
-            file = jalview.bin.Cache.getDefault("STARTUP_FILE",\r
-                                                "http://www.jalview.org/examples/exampleFile.jar");\r
-\r
-            protocol = "File";\r
-\r
-            if (file.indexOf("http:") > -1)\r
-            {\r
-              protocol = "URL";\r
-            }\r
-\r
-            if (file.endsWith(".jar"))\r
-            {\r
-              new Jalview2XML().LoadJalviewAlign(file);\r
-            }\r
-            else\r
-            {\r
-              format = new jalview.io.IdentifyFile().Identify(file, protocol);\r
-              desktop.LoadFile(file, protocol, format);\r
-            }\r
-          }\r
-    }\r
-}\r
-\r
- class ArgsParser\r
- {\r
-   Vector vargs = null;\r
-   public ArgsParser(String [] args)\r
-   {\r
-     vargs = new Vector();\r
-     for (int i = 0; i < args.length; i++)\r
-     {\r
-       String arg = args[i].trim();\r
-       if (arg.charAt(0) == '-')\r
-         arg = arg.substring(1);\r
-       vargs.addElement(arg);\r
-     }\r
-   }\r
-\r
-   public String getValue(String arg)\r
-   {\r
-     int index = vargs.indexOf(arg);\r
-     String ret = null;\r
-     if (index != -1)\r
-     {\r
-       ret = vargs.elementAt(index + 1).toString();\r
-       vargs.removeElementAt(index);\r
-       vargs.removeElementAt(index);\r
-     }\r
-     return ret;\r
-   }\r
-\r
-   public boolean contains(String arg)\r
-   {\r
-     if(vargs.contains(arg))\r
-     {\r
-       vargs.removeElement(arg);\r
-       return true;\r
-     }\r
-     else\r
-       return false;\r
-   }\r
-\r
-   public String nextValue()\r
-   {\r
-     return  vargs.remove(0).toString();\r
-   }\r
-\r
-   public int getSize()\r
-   {\r
-     return vargs.size();\r
-   }\r
-\r
- }\r
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ * 
+ * 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/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.bin;
+
+import jalview.api.AlignFrameI;
+import jalview.api.AlignViewportI;
+import jalview.api.JalviewApp;
+import jalview.api.StructureSelectionManagerProvider;
+import jalview.bin.ApplicationSingletonProvider.ApplicationSingletonI;
+import jalview.datamodel.ColumnSelection;
+import jalview.datamodel.HiddenColumns;
+import jalview.datamodel.PDBEntry;
+import jalview.datamodel.SequenceGroup;
+import jalview.datamodel.SequenceI;
+import jalview.ext.so.SequenceOntology;
+import jalview.gui.AlignFrame;
+import jalview.gui.AlignViewport;
+import jalview.gui.AlignmentPanel;
+import jalview.gui.CalculationChooser;
+import jalview.gui.Desktop;
+import jalview.gui.Preferences;
+import jalview.gui.PromptUserConfig;
+import jalview.gui.StructureViewer;
+import jalview.io.AppletFormatAdapter;
+import jalview.io.BioJsHTMLOutput;
+import jalview.io.DataSourceType;
+import jalview.io.FileFormat;
+import jalview.io.FileFormatException;
+import jalview.io.FileFormatI;
+import jalview.io.FileFormats;
+import jalview.io.FileLoader;
+import jalview.io.HtmlSvgOutput;
+import jalview.io.IdentifyFile;
+import jalview.io.NewickFile;
+import jalview.io.gff.SequenceOntologyFactory;
+import jalview.javascript.JSFunctionExec;
+import jalview.javascript.MouseOverStructureListener;
+import jalview.renderer.seqfeatures.FeatureRenderer;
+import jalview.schemes.ColourSchemeI;
+import jalview.schemes.ColourSchemeProperty;
+import jalview.structure.SelectionSource;
+import jalview.structure.VamsasSource;
+import jalview.util.MessageManager;
+import jalview.util.Platform;
+import jalview.ws.jws2.Jws2Discoverer;
+
+import java.applet.AppletContext;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.security.AllPermission;
+import java.security.CodeSource;
+import java.security.PermissionCollection;
+import java.security.Permissions;
+import java.security.Policy;
+import java.util.HashMap;
+import java.util.Hashtable;
+import java.util.Map;
+import java.util.Vector;
+
+import javax.swing.LookAndFeel;
+import javax.swing.UIManager;
+
+import groovy.lang.Binding;
+import groovy.util.GroovyScriptEngine;
+import netscape.javascript.JSObject;
+
+/**
+ * Main class for Jalview Application <br>
+ * <br>
+ * start with: java -classpath "$PATH_TO_LIB$/*:$PATH_TO_CLASSES$" \
+ * jalview.bin.Jalview
+ * 
+ * or on Windows: java -classpath "$PATH_TO_LIB$/*;$PATH_TO_CLASSES$" \
+ * jalview.bin.Jalview jalview.bin.Jalview
+ * 
+ * (ensure -classpath arg is quoted to avoid shell expansion of '*' and do not
+ * embellish '*' to e.g. '*.jar')
+ * 
+ * @author $author$
+ * @version $Revision$
+ */
+public class Jalview implements ApplicationSingletonI, JalviewJSApi
+{
+
+  public static Jalview getInstance()
+  {
+    return (Jalview) ApplicationSingletonProvider
+            .getInstance(Jalview.class);
+  }
+
+  private Jalview()
+  {
+  }
+
+  static
+  {
+    Platform.getURLCommandArguments();
+  }
+
+  private boolean headless;
+
+  public static boolean isHeadlessMode()
+  {
+    return getInstance().headless;
+  }
+
+  private Desktop desktop;
+
+  private AlignFrame currentAlignFrame;
+
+  public boolean isJavaAppletTag;
+
+  public String appletResourcePath;
+
+  JalviewAppLoader appLoader;
+
+  protected JSFunctionExec jsFunctionExec;
+
+  private boolean noCalculation, noMenuBar, noStatus;
+
+  private boolean noAnnotation;
+
+  public boolean getStartCalculations()
+  {
+    return !noCalculation;
+  }
+
+  public boolean getAllowMenuBar()
+  {
+    return !noMenuBar;
+  }
+
+  public boolean getShowStatus()
+  {
+    return !noStatus;
+  }
+
+  public boolean getShowAnnotation()
+  {
+    return !noAnnotation;
+  }
+
+  public static AlignFrame getCurrentAlignFrame()
+  {
+    return getInstance().currentAlignFrame;
+  }
+
+  public static void setCurrentAlignFrame(AlignFrame currentAlignFrame)
+  {
+    getInstance().currentAlignFrame = currentAlignFrame;
+  }
+
+  static
+  {
+    if (!Platform.isJS())
+    /**
+     * Java only
+     * 
+     * @j2sIgnore
+     */
+    {
+      // grab all the rights we can for the JVM
+      Policy.setPolicy(new Policy()
+      {
+        @Override
+        public PermissionCollection getPermissions(CodeSource codesource)
+        {
+          Permissions perms = new Permissions();
+          perms.add(new AllPermission());
+          return (perms);
+        }
+
+        @Override
+        public void refresh()
+        {
+        }
+      });
+    }
+  }
+
+  /**
+   * keep track of feature fetching tasks.
+   * 
+   * @author JimP
+   * 
+   */
+  class FeatureFetcher
+  {
+    /*
+     * TODO: generalise to track all jalview events to orchestrate batch
+     * processing events.
+     */
+
+    private int queued = 0;
+
+    private int running = 0;
+
+    public FeatureFetcher()
+    {
+
+    }
+
+    public void addFetcher(final AlignFrame af,
+            final Vector<String> dasSources)
+    {
+      final long id = System.currentTimeMillis();
+      queued++;
+      final FeatureFetcher us = this;
+      new Thread(new Runnable()
+      {
+
+        @Override
+        public void run()
+        {
+          synchronized (us)
+          {
+            queued--;
+            running++;
+          }
+
+          af.setProgressBar(MessageManager
+                  .getString("status.das_features_being_retrived"), id);
+          af.featureSettings_actionPerformed(null);
+          af.setProgressBar(null, id);
+          synchronized (us)
+          {
+            running--;
+          }
+        }
+      }).start();
+    }
+
+    public synchronized boolean allFinished()
+    {
+      return queued == 0 && running == 0;
+    }
+
+  }
+
+  /**
+   * main class for Jalview application
+   * 
+   * @param args
+   *          open <em>filename</em>
+   */
+  public static void main(String[] args)
+  {
+    // Platform.startJavaLogging();
+    getInstance().doMain(args);
+  }
+
+
+  @SuppressWarnings("unused")
+  /**
+   * @param args
+   */
+  void doMain(String[] args)
+  {
+
+    boolean isJS = Platform.isJS();
+    if (isJS)
+    {
+      Platform.setAppClass(this);
+    }
+    else
+    {
+      System.setSecurityManager(null);
+    }
+
+    System.out
+            .println("Java version: " + System.getProperty("java.version"));
+    System.out.println(System.getProperty("os.arch") + " "
+            + System.getProperty("os.name") + " "
+            + System.getProperty("os.version"));
+
+    ArgsParser aparser = new ArgsParser(args);
+
+    String usrPropsFile = aparser.getValue(ArgsParser.PROPS);
+    Cache.loadProperties(usrPropsFile);
+    if (isJS)
+    {
+      isJavaAppletTag = aparser.isApplet();
+      if (isJavaAppletTag)
+      {
+        Preferences.setAppletDefaults();
+        Cache.loadProperties(usrPropsFile); // again, because we
+        // might be changing defaults here?
+      }
+      System.out.println(
+              "<Applet> found: " + aparser.getValue("Info.j2sAppletID"));
+      appletResourcePath = aparser.getValue("Info.resourcePath");
+    }
+    else
+    /**
+     * Java only
+     * 
+     * @j2sIgnore
+     */
+    {
+      if (usrPropsFile != null)
+      {
+        System.out.println(
+                "CMD [-props " + usrPropsFile + "] executed successfully!");
+      }
+
+      if (aparser.contains("help") || aparser.contains("h"))
+      {
+        showUsage();
+        System.exit(0);
+      }
+      if (aparser.contains(ArgsParser.NODISPLAY)
+              || aparser.contains(ArgsParser.NOGUI)
+              || aparser.contains(ArgsParser.HEADLESS)
+              || "true".equals(System.getProperty("java.awt.headless")))
+      {
+        headless = true;
+      }
+
+      // anything else!
+
+      final String jabawsUrl = aparser.getValue(ArgsParser.JABAWS);
+      if (jabawsUrl != null)
+      {
+        try
+        {
+          Jws2Discoverer.getInstance().setPreferredUrl(jabawsUrl);
+          System.out.println(
+                  "CMD [-jabaws " + jabawsUrl + "] executed successfully!");
+        } catch (MalformedURLException e)
+        {
+          System.err.println(
+                  "Invalid jabaws parameter: " + jabawsUrl + " ignored");
+        }
+      }
+
+    }
+    // check for property setting
+    String defs = aparser.getValue(ArgsParser.SETPROP);
+    while (defs != null)
+    {
+      int p = defs.indexOf('=');
+      if (p == -1)
+      {
+        System.err.println("Ignoring invalid setprop argument : " + defs);
+      }
+      else
+      {
+        System.out.println("Executing setprop argument: " + defs);
+        if (isJS)
+        {
+          Cache.setProperty(defs.substring(0, p), defs.substring(p + 1));
+        }
+      }
+      defs = aparser.getValue(ArgsParser.SETPROP);
+    }
+    System.setProperty("http.agent",
+            "Jalview Desktop/" + Cache.getDefault("VERSION", "Unknown"));
+    try
+    {
+      Cache.initLogger();
+    } catch (NoClassDefFoundError error)
+    {
+      error.printStackTrace();
+      System.out.println("\nEssential logging libraries not found."
+              + "\nUse: java -classpath \"$PATH_TO_LIB$/*:$PATH_TO_CLASSES$\" jalview.bin.Jalview");
+      System.exit(0);
+    }
+
+    desktop = null;
+
+    try
+    {
+      UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
+    } catch (Exception ex)
+    {
+      System.err.println("Unexpected Look and Feel Exception");
+      ex.printStackTrace();
+    }
+    if (Platform.isAMacAndNotJS())
+    {
+
+      LookAndFeel lookAndFeel = ch.randelshofer.quaqua.QuaquaManager
+              .getLookAndFeel();
+      System.setProperty("com.apple.mrj.application.apple.menu.about.name",
+              "Jalview");
+      System.setProperty("apple.laf.useScreenMenuBar", "true");
+      if (lookAndFeel != null)
+      {
+        try
+        {
+          UIManager.setLookAndFeel(lookAndFeel);
+        } catch (Throwable e)
+        {
+          System.err.println(
+                  "Failed to set QuaQua look and feel: " + e.toString());
+        }
+      }
+      if (lookAndFeel == null
+              || !(lookAndFeel.getClass().isAssignableFrom(
+                      UIManager.getLookAndFeel().getClass()))
+              || !UIManager.getLookAndFeel().getClass().toString()
+                      .toLowerCase().contains("quaqua"))
+      {
+        try
+        {
+          System.err.println(
+                  "Quaqua LaF not available on this plaform. Using VAqua(4).\nSee https://issues.jalview.org/browse/JAL-2976");
+          UIManager.setLookAndFeel("org.violetlib.aqua.AquaLookAndFeel");
+        } catch (Throwable e)
+        {
+          System.err.println(
+                  "Failed to reset look and feel: " + e.toString());
+        }
+      }
+    }
+
+    /*
+     * configure 'full' SO model if preferences say to, 
+     * else use the default (SO Lite)
+     */
+    if (Cache.getDefault(Preferences.USE_FULL_SO, false))
+    {
+      SequenceOntologyFactory.setSequenceOntology(new SequenceOntology());
+    }
+
+    if (!headless)
+    {
+      desktop = Desktop.getInstance();
+      desktop.setInBatchMode(true); // indicate we are starting up
+      desktop.setVisible(true);
+
+      if (!isJS)
+      /**
+       * Java only
+       * 
+       * @j2sIgnore
+       */
+      {
+        desktop.startServiceDiscovery();
+        if (!aparser.contains(ArgsParser.NOUSAGESTATS))
+        {
+          startUsageStats(desktop);
+        }
+        else
+        {
+          System.err.println("CMD [-nousagestats] executed successfully!");
+        }
+
+        if (!aparser.contains(ArgsParser.NOQUESTIONNAIRE))
+        {
+          String url = aparser.getValue(ArgsParser.QUESTIONNAIRE);
+          if (url != null)
+          {
+            // Start the desktop questionnaire prompter with the specified
+            // questionnaire
+            Cache.log.debug("Starting questionnaire url at " + url);
+            desktop.checkForQuestionnaire(url);
+            System.out.println("CMD questionnaire[-" + url
+                    + "] executed successfully!");
+          }
+          else
+          {
+            if (Cache.getProperty(Preferences.NOQUESTIONNAIRES) == null)
+            {
+              // Start the desktop questionnaire prompter with the specified
+              // questionnaire
+              // String defurl =
+              // "http://anaplog.compbio.dundee.ac.uk/cgi-bin/questionnaire.pl";
+              // //
+              String defurl = "http://www.jalview.org/cgi-bin/questionnaire.pl";
+              Cache.log.debug(
+                      "Starting questionnaire with default url: " + defurl);
+              desktop.checkForQuestionnaire(defurl);
+            }
+          }
+        }
+        else
+        {
+          System.err
+                  .println("CMD [-noquestionnaire] executed successfully!");
+        }
+
+        if (!aparser.contains(ArgsParser.NONEWS))
+        {
+          desktop.checkForNews();
+        }
+
+        BioJsHTMLOutput.updateBioJS();
+      }
+    }
+
+    parseArguments(aparser, true);
+  }
+
+  /**
+   * Allow an outside entity to initiate the second half of argument parsing
+   * (only).
+   * 
+   * @param args
+   * @return null is good
+   */
+  @Override
+  public Object parseArguments(String[] args)
+  {
+
+    try
+    {
+      ArgsParser aparser = new ArgsParser(args);
+      return parseArguments(aparser, false);
+    } catch (Throwable t)
+    {
+      return t;
+    }
+  }
+
+  /**
+   * 
+   * @param aparser
+   * @param isStartup
+   * @return
+   */
+  private Object parseArguments(ArgsParser aparser, boolean isStartup)
+  {
+    boolean isJS = Platform.isJS();
+
+    Desktop desktop = (headless ? null : Desktop.getInstance());
+    // script to execute after all loading is
+    // completed one way or another
+    // extract groovy argument and execute if necessary
+    String groovyscript = (isJS ? null
+            : aparser.getValue(ArgsParser.GROOVY, true));
+    String file = aparser.getValue(ArgsParser.OPEN, true);
+    // BH this here to allow split frame; not working as of 5/17/2019
+    String file2 = aparser.getValue(ArgsParser.OPEN2, true);
+    String fileFormat = (isJavaAppletTag
+            ? aparser.getAppletValue("format", null)
+            : null);
+    FileFormatI format = null;
+    DataSourceType protocol = null;
+
+    if (file == null && desktop == null)
+    {
+      System.out.println("No files to open!");
+      System.exit(1);
+    }
+    boolean haveImport = checkStartVamas(aparser);
+    // Finally, deal with the remaining input data.
+    long progress = -1;
+    if (file == null && isJavaAppletTag)
+    {
+      // Maybe the sequences are added as parameters
+      StringBuffer data = new StringBuffer("PASTE");
+      int i = 1;
+      while ((file = aparser.getAppletValue("sequence" + i, null)) != null)
+      {
+        data.append(file.toString() + "\n");
+        i++;
+      }
+      if (data.length() > 5)
+      {
+        file = data.toString();
+      }
+    }
+
+    String data;
+
+    if (file != null)
+    {
+
+      if (!headless)
+      {
+        desktop.setProgressBar(
+                MessageManager
+                        .getString("status.processing_commandline_args"),
+                progress = System.currentTimeMillis());
+      }
+
+      if (!isJS)
+      /**
+       * ignore in JavaScript -- can't just check file existence - could load
+       * it?
+       * 
+       * @j2sIgnore
+       */
+      {
+        if (!file.startsWith("http://") && !file.startsWith("https://"))
+        // BH 2019 added https check for Java
+        {
+          if (!(new File(file)).exists())
+          {
+            System.out.println("Can't find " + file);
+            if (headless)
+            {
+              System.exit(1);
+            }
+          }
+        }
+      }
+
+      protocol = AppletFormatAdapter.checkProtocol(file);
+
+      try
+      {
+        format = (isJavaAppletTag && fileFormat != null
+                ? FileFormats.getInstance().forName(fileFormat)
+                : null);
+        if (format == null)
+        {
+          format = new IdentifyFile().identify(file, protocol);
+        }
+      } catch (FileFormatException e1)
+      {
+        // TODO ?
+      }
+
+      if (aparser.contains(ArgsParser.SHOWOVERVIEW))
+      {
+        jalview.bin.Cache.setPropertyNoSave(Preferences.SHOW_OVERVIEW,
+                "true");
+
+        System.out.println("CMD [showoverview] executed successfully!");
+      }
+
+      if (aparser.contains(ArgsParser.NOMENUBAR))
+      {
+        noMenuBar = true;
+        System.out.println("CMD [nomenu] executed successfully!");
+      }
+
+      if (aparser.contains(ArgsParser.NOSTATUS))
+      {
+        noStatus = true;
+        System.out.println("CMD [nostatus] executed successfully!");
+      }
+
+      if (aparser.contains(ArgsParser.NOANNOTATION)
+              || aparser.contains(ArgsParser.NOANNOTATION2))
+      {
+        noAnnotation = true;
+        System.out.println("CMD no-annotation executed successfully!");
+      }
+      if (aparser.contains(ArgsParser.NOCALCULATION))
+      {
+        noCalculation = true;
+        System.out.println("CMD [nocalculation] executed successfully!");
+      }
+
+      AlignFrame af = new FileLoader(!headless).loadFileWaitTillLoaded(file,
+              protocol, format);
+      if (af == null)
+      {
+        System.out.println("error");
+      }
+      else
+      {
+        System.out
+                .println("CMD [-open " + file + "] executed successfully!");
+        if (file2 != null)
+        {
+          protocol = AppletFormatAdapter.checkProtocol(file2);
+          try
+          {
+            format = new IdentifyFile().identify(file2, protocol);
+          } catch (FileFormatException e1)
+          {
+            // TODO ?
+          }
+          AlignFrame af2 = new FileLoader(!headless)
+                  .loadFileWaitTillLoaded(file2, protocol, format);
+          if (af2 == null)
+          {
+            System.out.println("error");
+          }
+          else
+          {
+            AlignViewport.openLinkedAlignmentAs(af,
+                    af.getViewport().getAlignment(),
+                    af2.getViewport().getAlignment(), "",
+                    AlignViewport.SPLIT_FRAME);
+            System.out.println(
+                    "CMD [-open2 " + file2 + "] executed successfully!");
+          }
+        }
+
+        setCurrentAlignFrame(af);
+
+        // TODO: file2 How to implement file2 for the applet spit screen?
+
+        data = aparser.getValue(ArgsParser.COLOUR, true);
+        if (data != null)
+        {
+          data.replaceAll("%20", " ");
+
+          ColourSchemeI cs = ColourSchemeProperty.getColourScheme(
+                  af.getViewport(), af.getViewport().getAlignment(), data);
+
+          if (cs != null)
+          {
+            System.out.println(
+                    "CMD [-color " + data + "] executed successfully!");
+          }
+          af.changeColour(cs);
+        }
+
+        // Must maintain ability to use the groups flag
+        data = aparser.getValue(ArgsParser.GROUPS, true);
+        if (data != null)
+        {
+          af.parseFeaturesFile(data,
+                  AppletFormatAdapter.checkProtocol(data));
+          // System.out.println("Added " + data);
+          System.out.println(
+                  "CMD groups[-" + data + "]  executed successfully!");
+        }
+        data = aparser.getValue(ArgsParser.FEATURES, true);
+        if (data != null)
+        {
+          af.parseFeaturesFile(data,
+                  AppletFormatAdapter.checkProtocol(data));
+          // System.out.println("Added " + data);
+          System.out.println(
+                  "CMD [-features " + data + "]  executed successfully!");
+        }
+
+        data = aparser.getValue(ArgsParser.ANNOTATIONS, true);
+        if (data != null)
+        {
+          af.loadJalviewDataFile(data, null, null, null);
+          // System.out.println("Added " + data);
+          System.out.println(
+                  "CMD [-annotations " + data + "] executed successfully!");
+        }
+        // set or clear the sortbytree flag.
+        if (aparser.contains(ArgsParser.SORTBYTREE))
+        {
+          af.getViewport().setSortByTree(true);
+          if (af.getViewport().getSortByTree())
+          {
+            System.out.println("CMD [-sortbytree] executed successfully!");
+          }
+        }
+
+        boolean doUpdateAnnotation = false;
+
+        /**
+         * we do this earlier in JalviewJS because of a complication with
+         * SHOWOVERVIEW
+         * 
+         * For now, just fixing this in JalviewJS.
+         *
+         * 
+         * @j2sIgnore
+         * 
+         */
+        {
+          if (aparser.contains(ArgsParser.NOANNOTATION)
+                  || aparser.contains(ArgsParser.NOANNOTATION2))
+          {
+            af.getViewport().setShowAnnotation(false);
+            if (!af.getViewport().isShowAnnotation())
+            {
+              doUpdateAnnotation = true;
+              System.out
+                      .println("CMD no-annotation executed successfully!");
+            }
+          }
+        }
+        if (aparser.contains(ArgsParser.NOSORTBYTREE))
+        {
+          af.getViewport().setSortByTree(false);
+          if (!af.getViewport().getSortByTree())
+          {
+            doUpdateAnnotation = true;
+            System.out
+                    .println("CMD [-nosortbytree] executed successfully!");
+          }
+        }
+        if (doUpdateAnnotation)
+        { // BH 2019.07.24
+          af.setMenusForViewport();
+          af.alignPanel.updateLayout();
+        }
+        data = aparser.getValue(ArgsParser.TREE, true);
+        if (data != null)
+        {
+          try
+          {
+            System.out.println(
+                    "CMD [-tree " + data + "] executed successfully!");
+            NewickFile nf = new NewickFile(data,
+                    AppletFormatAdapter.checkProtocol(data));
+            af.getViewport()
+                    .setCurrentTree(af.showNewickTree(nf, data).getTree());
+          } catch (IOException ex)
+          {
+            System.err.println("Couldn't add tree " + data);
+            ex.printStackTrace(System.err);
+          }
+        }
+        // TODO - load PDB structure(s) to alignment JAL-629
+        // (associate with identical sequence in alignment, or a specified
+        // sequence)
+        if (isJavaAppletTag)
+        {
+          loadAppletParams(aparser, af);
+        }
+        else if (!isJS)
+        /**
+         * Java only
+         * 
+         * @j2sIgnore
+         */
+        {
+          if (groovyscript != null)
+          {
+            // Execute the groovy script after we've done all the rendering
+            // stuff
+            // and before any images or figures are generated.
+            System.out.println("Executing script " + groovyscript);
+            executeGroovyScript(groovyscript, af);
+            System.out.println("CMD groovy[" + groovyscript
+                    + "] executed successfully!");
+            groovyscript = null;
+          }
+          checkOutputFile(aparser, af, format);
+          while (aparser.getSize() > 0)
+          {
+            System.out.println("Unknown arg: " + aparser.nextValue());
+          }
+        }
+      }
+    }
+    AlignFrame startUpAlframe = null;
+    // We'll only open the default file if the desktop is visible.
+    // And the user
+    // ////////////////////
+
+    if (!isJS && !headless && file == null && !haveImport
+            && jalview.bin.Cache.getDefault("SHOW_STARTUP_FILE", true))
+    /**
+     * Java only
+     * 
+     * @j2sIgnore
+     */
+    {
+      file = jalview.bin.Cache.getDefault("STARTUP_FILE",
+              jalview.bin.Cache.getDefault("www.jalview.org",
+                      "http://www.jalview.org")
+                      + "/examples/exampleFile_2_7.jar");
+      if (file.equals(
+              "http://www.jalview.org/examples/exampleFile_2_3.jar"))
+      {
+        // hardwire upgrade of the startup file
+        file.replace("_2_3.jar", "_2_7.jar");
+        // and remove the stale setting
+        jalview.bin.Cache.removeProperty("STARTUP_FILE");
+      }
+
+      protocol = DataSourceType.FILE;
+
+      if (file.indexOf("http:") > -1)
+      {
+        protocol = DataSourceType.URL;
+      }
+
+      if (file.endsWith(".jar"))
+      {
+        format = FileFormat.Jalview;
+      }
+      else
+      {
+        try
+        {
+          format = new IdentifyFile().identify(file, protocol);
+        } catch (FileFormatException e)
+        {
+          // TODO what?
+        }
+      }
+
+      startUpAlframe = new FileLoader(!headless)
+              .loadFileWaitTillLoaded(file, protocol, format);
+      // extract groovy arguments before anything else.
+    }
+
+    // Once all other stuff is done, execute any groovy scripts (in order)
+    if (groovyscript != null)
+    {
+      if (Cache.groovyJarsPresent())
+      {
+        System.out.println("Executing script " + groovyscript);
+        executeGroovyScript(groovyscript, startUpAlframe);
+      }
+      else
+      {
+        System.err.println(
+                "Sorry. Groovy Support is not available, so ignoring the provided groovy script "
+                        + groovyscript);
+      }
+    }
+    // and finally, turn off batch mode indicator - if the desktop still exists
+    if (desktop != null)
+    {
+      if (progress != -1)
+      {
+        desktop.setProgressBar(null, progress);
+      }
+      desktop.setInBatchMode(false);
+    }
+
+    return null;
+  }
+
+  private boolean checkStartVamas(ArgsParser aparser)
+  {
+    String vamsasImport = aparser.getValue(ArgsParser.VDOC);
+    String vamsasSession = aparser.getValue(ArgsParser.VSESS);
+    if (vamsasImport == null && vamsasSession == null)
+    {
+      return false;
+    }
+    if (desktop == null || headless)
+    {
+      System.out.println(
+              "Headless vamsas sessions not yet supported. Sorry.");
+      System.exit(1);
+    }
+    boolean haveImport = (vamsasImport != null);
+    if (haveImport)
+    {
+      // if we have a file, start a new session and import it.
+      boolean inSession = false;
+      try
+      {
+        DataSourceType viprotocol = AppletFormatAdapter
+                .checkProtocol(vamsasImport);
+        if (viprotocol == DataSourceType.FILE)
+        {
+          inSession = desktop.vamsasImport(new File(vamsasImport));
+        }
+        else if (viprotocol == DataSourceType.URL)
+        {
+          inSession = desktop.vamsasImport(new URL(vamsasImport));
+        }
+
+      } catch (Exception e)
+      {
+        System.err.println("Exeption when importing " + vamsasImport
+                + " as a vamsas document.");
+        e.printStackTrace();
+      }
+      if (!inSession)
+      {
+        System.err.println("Failed to import " + vamsasImport
+                + " as a vamsas document.");
+      }
+      else
+      {
+        System.out.println("Imported Successfully into new session "
+                + desktop.getVamsasApplication().getCurrentSession());
+      }
+    }
+    if (vamsasSession != null)
+    {
+      if (vamsasImport != null)
+      {
+        // close the newly imported session and import the Jalview specific
+        // remnants into the new session later on.
+        desktop.vamsasStop_actionPerformed(null);
+      }
+      // now join the new session
+      try
+      {
+        if (desktop.joinVamsasSession(vamsasSession))
+        {
+          System.out.println(
+                  "Successfully joined vamsas session " + vamsasSession);
+        }
+        else
+        {
+          System.err.println("WARNING: Failed to join vamsas session "
+                  + vamsasSession);
+        }
+      } catch (Exception e)
+      {
+        System.err.println(
+                "ERROR: Failed to join vamsas session " + vamsasSession);
+        e.printStackTrace();
+      }
+      if (vamsasImport != null)
+      {
+        // the Jalview specific remnants can now be imported into the new
+        // session at the user's leisure.
+        Cache.log.info(
+                "Skipping Push for import of data into existing vamsas session.");
+        // TODO:
+        // enable
+        // this
+        // when
+        // debugged
+        // desktop.getVamsasApplication().push_update();
+      }
+    }
+    return haveImport;
+  }
+
+  private void checkOutputFile(ArgsParser aparser, AlignFrame af,
+          FileFormatI format)
+  {
+    String imageName = "unnamed.png";
+    while (aparser.getSize() > 1)
+    {
+      // PNG filename
+      // SVG filename
+      // HTML filename
+      // biojsmsa filename
+      String outputFormat = aparser.nextValue();
+      String file = aparser.nextValue();
+      if (outputFormat.equalsIgnoreCase("png"))
+      {
+        af.createPNG(new File(file));
+        imageName = (new File(file)).getName();
+        System.out.println("Creating PNG image: " + file);
+        continue;
+      }
+      else if (outputFormat.equalsIgnoreCase("svg"))
+      {
+        File imageFile = new File(file);
+        imageName = imageFile.getName();
+        af.createSVG(imageFile);
+        System.out.println("Creating SVG image: " + file);
+        continue;
+      }
+      else if (outputFormat.equalsIgnoreCase("html"))
+      {
+        File imageFile = new File(file);
+        imageName = imageFile.getName();
+        HtmlSvgOutput htmlSVG = new HtmlSvgOutput(af.alignPanel);
+        htmlSVG.exportHTML(file);
+
+        System.out.println("Creating HTML image: " + file);
+        continue;
+      }
+      else if (outputFormat.equalsIgnoreCase("biojsmsa"))
+      {
+        if (file == null)
+        {
+          System.err.println("The output html file must not be null");
+          return;
+        }
+        try
+        {
+          BioJsHTMLOutput.refreshVersionInfo(
+                  BioJsHTMLOutput.BJS_TEMPLATES_LOCAL_DIRECTORY);
+        } catch (URISyntaxException e)
+        {
+          e.printStackTrace();
+        }
+        BioJsHTMLOutput bjs = new BioJsHTMLOutput(af.alignPanel);
+        bjs.exportHTML(file);
+        System.out.println("Creating BioJS MSA Viwer HTML file: " + file);
+        continue;
+      }
+      else if (outputFormat.equalsIgnoreCase("imgMap"))
+      {
+        af.createImageMap(new File(file), imageName);
+        System.out.println("Creating image map: " + file);
+        continue;
+      }
+      else if (outputFormat.equalsIgnoreCase("eps"))
+      {
+        File outputFile = new File(file);
+        System.out.println(
+                "Creating EPS file: " + outputFile.getAbsolutePath());
+        af.createEPS(outputFile);
+        continue;
+      }
+
+      af.saveAlignment(file, format);
+      if (af.isSaveAlignmentSuccessful())
+      {
+        System.out.println(
+                "Written alignment in " + format + " format to " + file);
+      }
+      else
+      {
+        System.out.println("Error writing file " + file + " in " + format
+                + " format!!");
+      }
+
+    }
+  }
+
+  private static void showUsage()
+  {
+    System.out.println(
+            "Usage: jalview -open [FILE] [OUTPUT_FORMAT] [OUTPUT_FILE]\n\n"
+                    + "-nodisplay\tRun Jalview without User Interface.\n"
+                    + "-props FILE\tUse the given Jalview properties file instead of users default.\n"
+                    + "-colour COLOURSCHEME\tThe colourscheme to be applied to the alignment\n"
+                    + "-annotations FILE\tAdd precalculated annotations to the alignment.\n"
+                    + "-tree FILE\tLoad the given newick format tree file onto the alignment\n"
+                    + "-features FILE\tUse the given file to mark features on the alignment.\n"
+                    + "-fasta FILE\tCreate alignment file FILE in Fasta format.\n"
+                    + "-clustal FILE\tCreate alignment file FILE in Clustal format.\n"
+                    + "-pfam FILE\tCreate alignment file FILE in PFAM format.\n"
+                    + "-msf FILE\tCreate alignment file FILE in MSF format.\n"
+                    + "-pileup FILE\tCreate alignment file FILE in Pileup format\n"
+                    + "-pir FILE\tCreate alignment file FILE in PIR format.\n"
+                    + "-blc FILE\tCreate alignment file FILE in BLC format.\n"
+                    + "-json FILE\tCreate alignment file FILE in JSON format.\n"
+                    + "-jalview FILE\tCreate alignment file FILE in Jalview format.\n"
+                    + "-png FILE\tCreate PNG image FILE from alignment.\n"
+                    + "-svg FILE\tCreate SVG image FILE from alignment.\n"
+                    + "-html FILE\tCreate HTML file from alignment.\n"
+                    + "-biojsMSA FILE\tCreate BioJS MSA Viewer HTML file from alignment.\n"
+                    + "-imgMap FILE\tCreate HTML file FILE with image map of PNG image.\n"
+                    + "-eps FILE\tCreate EPS file FILE from alignment.\n"
+                    + "-questionnaire URL\tQueries the given URL for information about any Jalview user questionnaires.\n"
+                    + "-noquestionnaire\tTurn off questionnaire check.\n"
+                    + "-nonews\tTurn off check for Jalview news.\n"
+                    + "-nousagestats\tTurn off google analytics tracking for this session.\n"
+                    + "-sortbytree OR -nosortbytree\tEnable or disable sorting of the given alignment by the given tree\n"
+                    // +
+                    // "-setprop PROPERTY=VALUE\tSet the given Jalview property,
+                    // after all other properties files have been read\n\t
+                    // (quote the 'PROPERTY=VALUE' pair to ensure spaces are
+                    // passed in correctly)"
+                    + "-jabaws URL\tSpecify URL for Jabaws services (e.g. for a local installation).\n"
+                    + "-fetchfrom nickname\tQuery nickname for features for the alignments and display them.\n"
+                    // +
+                    // "-vdoc vamsas-document\tImport vamsas document into new
+                    // session or join existing session with same URN\n"
+                    // + "-vses vamsas-session\tJoin session with given URN\n"
+                    + "-groovy FILE\tExecute groovy script in FILE, after all other arguments have been processed (if FILE is the text 'STDIN' then the file will be read from STDIN)\n"
+                    + "\n~Read documentation in Application or visit http://www.jalview.org for description of Features and Annotations file~\n\n");
+  }
+
+  private static void startUsageStats(final Desktop desktop)
+  {
+    /**
+     * start a User Config prompt asking if we can log usage statistics.
+     */
+    PromptUserConfig prompter = new PromptUserConfig(
+            Desktop.getDesktopPane(), "USAGESTATS",
+            "Jalview Usage Statistics",
+            "Do you want to help make Jalview better by enabling "
+                    + "the collection of usage statistics with Google Analytics ?"
+                    + "\n\n(you can enable or disable usage tracking in the preferences)",
+            new Runnable()
+            {
+              @Override
+              public void run()
+              {
+                Cache.log.debug(
+                        "Initialising googletracker for usage stats.");
+                Cache.initGoogleTracker();
+                Cache.log.debug("Tracking enabled.");
+              }
+            }, new Runnable()
+            {
+              @Override
+              public void run()
+              {
+                Cache.log.debug("Not enabling Google Tracking.");
+              }
+            }, null, true);
+    desktop.addDialogThread(prompter);
+  }
+
+  /**
+   * Locate the given string as a file and pass it to the groovy interpreter.
+   * 
+   * @param groovyscript
+   *          the script to execute
+   * @param jalviewContext
+   *          the Jalview Desktop object passed in to the groovy binding as the
+   *          'Jalview' object.
+   */
+  private void executeGroovyScript(String groovyscript, AlignFrame af)
+  {
+    /**
+     * for scripts contained in files
+     */
+    File tfile = null;
+    /**
+     * script's URI
+     */
+    URL sfile = null;
+    if (groovyscript.trim().equals("STDIN"))
+    {
+      // read from stdin into a tempfile and execute it
+      try
+      {
+        tfile = File.createTempFile("jalview", "groovy");
+        PrintWriter outfile = new PrintWriter(
+                new OutputStreamWriter(new FileOutputStream(tfile)));
+        BufferedReader br = new BufferedReader(
+                new InputStreamReader(System.in));
+        String line = null;
+        while ((line = br.readLine()) != null)
+        {
+          outfile.write(line + "\n");
+        }
+        br.close();
+        outfile.flush();
+        outfile.close();
+
+      } catch (Exception ex)
+      {
+        System.err.println("Failed to read from STDIN into tempfile "
+                + ((tfile == null) ? "(tempfile wasn't created)"
+                        : tfile.toString()));
+        ex.printStackTrace();
+        return;
+      }
+      try
+      {
+        sfile = tfile.toURI().toURL();
+      } catch (Exception x)
+      {
+        System.err.println(
+                "Unexpected Malformed URL Exception for temporary file created from STDIN: "
+                        + tfile.toURI());
+        x.printStackTrace();
+        return;
+      }
+    }
+    else
+    {
+      try
+      {
+        sfile = new URI(groovyscript).toURL();
+      } catch (Exception x)
+      {
+        tfile = new File(groovyscript);
+        if (!tfile.exists())
+        {
+          System.err.println("File '" + groovyscript + "' does not exist.");
+          return;
+        }
+        if (!tfile.canRead())
+        {
+          System.err.println("File '" + groovyscript + "' cannot be read.");
+          return;
+        }
+        if (tfile.length() < 1)
+        {
+          System.err.println("File '" + groovyscript + "' is empty.");
+          return;
+        }
+        try
+        {
+          sfile = tfile.getAbsoluteFile().toURI().toURL();
+        } catch (Exception ex)
+        {
+          System.err.println("Failed to create a file URL for "
+                  + tfile.getAbsoluteFile());
+          return;
+        }
+      }
+    }
+    try
+    {
+      Map<String, Object> vbinding = new HashMap<>();
+      vbinding.put("Jalview", this);
+      if (af != null)
+      {
+        vbinding.put("currentAlFrame", af);
+      }
+      Binding gbinding = new Binding(vbinding);
+      GroovyScriptEngine gse = new GroovyScriptEngine(new URL[] { sfile });
+      gse.run(sfile.toString(), gbinding);
+      if ("STDIN".equals(groovyscript))
+      {
+        // delete temp file that we made -
+        // only if it was successfully executed
+        tfile.delete();
+      }
+    } catch (Exception e)
+    {
+      System.err.println("Exception Whilst trying to execute file " + sfile
+              + " as a groovy script.");
+      e.printStackTrace(System.err);
+
+    }
+  }
+
+  public AlignFrame[] getAlignFrames()
+  {
+    return desktop == null ? new AlignFrame[] { getCurrentAlignFrame() }
+            : Desktop.getAlignFrames();
+
+  }
+
+  /**
+   * Quit method delegates to Desktop.quit - unless running in headless mode
+   * when it just ends the JVM
+   */
+  public void quit()
+  {
+    if (jsFunctionExec != null)
+    {
+      jsFunctionExec.tidyUp();
+      jsFunctionExec = null;
+    }
+
+    if (desktop != null)
+    {
+      desktop.quit();
+    }
+    else
+    {
+      System.exit(0);
+    }
+  }
+
+  /**
+   * Get the SwingJS applet ID and combine that with the frameType
+   * 
+   * @param frameType
+   *          "alignment", "desktop", etc., or null
+   * @return
+   */
+  public static String getAppID(String frameType)
+  {
+    String id = Cache.getProperty("Info.j2sAppletID");
+    if (id == null)
+    {
+      id = "jalview";
+    }
+    return id + (frameType == null ? "" : "-" + frameType);
+  }
+
+  /**
+   * Handle all JalviewLite applet parameters
+   * 
+   * @param aparser
+   * @param af
+   */
+  private void loadAppletParams(ArgsParser aparser, AlignFrame af)
+  {
+    JalviewApp app = new JalviewApp()
+    {
+
+      // TODO BH 2019
+      //
+      // These are methods that are in JalviewLite that various classes call
+      // but are not in JalviewLiteJsApi. Or, even if they are, other classes
+      // call
+      // them to JalviewLite directly. Some may not be necessary, but they have
+      // to
+      // be at least mentioned here, or the classes calling them should
+      // reference
+      // JalviewLite itself.
+
+      private boolean alignPDBStructures; // From JalviewLite; not implemented
+
+      private Hashtable<String, Hashtable<String, String[]>> jsmessages;
+
+      private Hashtable<String, int[]> jshashes;
+
+      @Override
+      public String getParameter(String name)
+      {
+        return aparser.getAppletValue(name, null);
+      }
+
+      @Override
+      public boolean getDefaultParameter(String name, boolean def)
+      {
+        String stn;
+        return ((stn = getParameter(name)) == null ? def
+                : "true".equalsIgnoreCase(stn));
+      }
+
+      /**
+       * Get the applet-like document base even though this is an application.
+       */
+      @Override
+      public URL getDocumentBase()
+      {
+        return Platform.getDocumentBase();
+      }
+
+      /**
+       * Get the applet-like code base even though this is an application.
+       */
+      @Override
+      public URL getCodeBase()
+      {
+        return Platform.getCodeBase();
+      }
+
+      @Override
+      public AlignViewportI getViewport()
+      {
+        return af.getViewport();
+      }
+
+      /**
+       * features
+       * 
+       */
+      @Override
+      public boolean parseFeaturesFile(String filename,
+              DataSourceType protocol)
+      {
+        return af.parseFeaturesFile(filename, protocol);
+      }
+
+      /**
+       * scorefile
+       * 
+       */
+      @Override
+      public boolean loadScoreFile(String sScoreFile) throws IOException
+      {
+        af.loadJalviewDataFile(sScoreFile, null, null, null);
+        return true;
+      }
+
+      /**
+       * annotations, jpredfile, jnetfile
+       * 
+       */
+      @Override
+      public void updateForAnnotations()
+      {
+        af.updateForAnnotations();
+      }
+
+      @Override
+      public void loadTree(NewickFile fin, String treeFile)
+              throws IOException
+      {
+        // n/a -- already done by standard Jalview command line processing
+      }
+
+      @Override
+      public void setAlignPdbStructures(boolean defaultParameter)
+      {
+        alignPDBStructures = true;
+      }
+
+      @Override
+      public void newStructureView(PDBEntry pdb, SequenceI[] seqs,
+              String[] chains, DataSourceType protocol)
+      {
+        StructureViewer.launchStructureViewer(af.alignPanel, pdb, seqs);
+      }
+
+      @Override
+      public void setFeatureGroupState(String[] groups, boolean state)
+      {
+        af.setFeatureGroupState(groups, state);
+      }
+
+      @Override
+      public void alignedStructureView(PDBEntry[] pdb, SequenceI[][] seqs,
+              String[][] chains, String[] protocols)
+      {
+        System.err.println(
+                "Jalview applet interface alignedStructureView not implemented");
+      }
+
+      @Override
+      public void newFeatureSettings()
+      {
+        System.err.println(
+                "Jalview applet interface newFeatureSettings not implemented");
+      }
+
+      private Vector<Runnable> jsExecQueue;
+
+      @Override
+      public Vector<Runnable> getJsExecQueue(JSFunctionExec exec)
+      {
+        jsFunctionExec = exec;
+        return (jsExecQueue == null ? (jsExecQueue = new Vector<>())
+                : jsExecQueue);
+      }
+
+      @Override
+      public AppletContext getAppletContext()
+      {
+        // TODO Auto-generated method stub
+        return null;
+      }
+
+      @Override
+      public boolean isJsfallbackEnabled()
+      {
+        // TODO Auto-generated method stub
+        return false;
+      }
+
+      @Override
+      public JSObject getJSObject()
+      {
+        // TODO Auto-generated method stub
+        return null;
+      }
+
+      @Override
+      public StructureSelectionManagerProvider getStructureSelectionManagerProvider()
+      {
+        // TODO Q: what exactly is this? BH
+        return null;
+      }
+
+      @Override
+      public void updateColoursFromMouseOver(Object source,
+              MouseOverStructureListener mouseOverStructureListener)
+      {
+        // TODO Auto-generated method stub
+
+      }
+
+      @Override
+      public Object[] getSelectionForListener(SequenceGroup seqsel,
+              ColumnSelection colsel, HiddenColumns hidden,
+              SelectionSource source, Object alignFrame)
+      {
+        return appLoader.getSelectionForListener(getCurrentAlignFrame(),
+                seqsel, colsel, hidden, source, alignFrame);
+      }
+
+      @Override
+      public String arrayToSeparatorList(String[] array)
+      {
+        return appLoader.arrayToSeparatorList(array);
+      }
+
+      @Override
+      public Hashtable<String, int[]> getJSHashes()
+      {
+        return (jshashes == null ? (jshashes = new Hashtable<>())
+                : jshashes);
+      }
+
+      @Override
+      public Hashtable<String, Hashtable<String, String[]>> getJSMessages()
+      {
+        return (jsmessages == null ? (jsmessages = new Hashtable<>())
+                : jsmessages);
+      }
+
+      @Override
+      public Object getFrameForSource(VamsasSource source)
+      {
+        if (source != null)
+        {
+          AlignFrame af;
+          if (source instanceof jalview.gui.AlignViewport
+                  && source == (af = getCurrentAlignFrame()).getViewport())
+          {
+            // should be valid if it just generated an event!
+            return af;
+          }
+          // TODO: ensure that if '_af' is specified along with a handler
+          // function, then only events from that alignFrame are sent to that
+          // function
+        }
+        return null;
+      }
+
+      @Override
+      public FeatureRenderer getNewFeatureRenderer(AlignViewportI vp)
+      {
+        return new jalview.gui.FeatureRenderer((AlignmentPanel) vp);
+      }
+
+    };
+
+    appLoader = new JalviewAppLoader(true);
+    appLoader.load(app);
+  }
+
+  /**
+   * 
+   * @see jalview.bin.JalviewLiteJsApi#getSelectedSequences()
+   */
+  @Override
+  public String getSelectedSequences()
+  {
+    return getSelectedSequencesFrom(getCurrentAlignFrame());
+  }
+
+  /**
+   * 
+   * @see jalview.bin.JalviewLiteJsApi#getSelectedSequences(java.lang.String)
+   */
+  @Override
+  public String getSelectedSequences(String sep)
+  {
+    return getSelectedSequencesFrom(getCurrentAlignFrame(), sep);
+  }
+
+  /**
+   * 
+   * @see jalview.bin.JalviewLiteJsApi#getSelectedSequencesFrom(jalview.appletgui
+   *      .AlignFrame)
+   */
+  @Override
+  public String getSelectedSequencesFrom(AlignFrameI alf)
+  {
+    return getSelectedSequencesFrom(alf, null);
+  }
+
+  /**
+   * 
+   * @see jalview.bin.JalviewLiteJsApi#getSelectedSequencesFrom(jalview.appletgui
+   *      .AlignFrame, java.lang.String)
+   */
+  @Override
+  public String getSelectedSequencesFrom(AlignFrameI alf, String sep)
+  {
+    return appLoader.getSelectedSequencesFrom(alf, sep);
+  }
+
+  /**
+   * 
+   * @see jalview.bin.JalviewLiteJsApi#getSelectedSequencesFrom(jalview.appletgui
+   *      .AlignFrame, java.lang.String)
+   */
+  @Override
+  public void highlight(String sequenceId, String position,
+          String alignedPosition)
+  {
+    highlightIn(getCurrentAlignFrame(), sequenceId, position,
+            alignedPosition);
+  }
+
+  @Override
+  public void highlightIn(AlignFrameI alf, String sequenceId,
+          String position, String alignedPosition)
+  {
+    appLoader.highlightIn(alf, sequenceId, position, alignedPosition);
+  }
+
+  @Override
+  public void select(String sequenceIds, String columns)
+  {
+    selectIn(getCurrentAlignFrame(), sequenceIds, columns, null);
+  }
+
+  @Override
+  public void select(String sequenceIds, String columns, String sep)
+  {
+    selectIn(getCurrentAlignFrame(), sequenceIds, columns, sep);
+  }
+
+  @Override
+  public void selectIn(AlignFrameI alf, String sequenceIds, String columns)
+  {
+    selectIn(alf, sequenceIds, columns, null);
+  }
+
+  @Override
+  public void selectIn(AlignFrameI alf, String sequenceIds, String columns,
+          String sep)
+  {
+    appLoader.selectIn(alf, sequenceIds, columns, sep);
+  }
+
+  @Override
+  public String getSelectedSequencesAsAlignment(String format,
+          String suffix)
+  {
+    return getSelectedSequencesAsAlignmentFrom(getCurrentAlignFrame(),
+            format, suffix);
+  }
+
+  @Override
+  public String getSelectedSequencesAsAlignmentFrom(AlignFrameI alf,
+          String format, String sep)
+  {
+    return appLoader.getSelectedSequencesAsAlignmentFrom(alf, format, sep);
+  }
+
+  @Override
+  public String getAlignmentOrder()
+  {
+    return getAlignmentFrom(getCurrentAlignFrame(), null);
+  }
+
+  @Override
+  public String getAlignmentOrderFrom(AlignFrameI alf)
+  {
+    return getAlignmentFrom(alf, null);
+  }
+
+  @Override
+  public String getAlignmentOrderFrom(AlignFrameI alf, String sep)
+  {
+    return appLoader.getAlignmentOrderFrom(alf, sep);
+  }
+
+  @Override
+  public String orderBy(String order, String undoName)
+  {
+    return orderBy(order, undoName, null);
+  }
+
+  @Override
+  public String orderBy(String order, String undoName, String sep)
+  {
+    return orderAlignmentBy(getCurrentAlignFrame(), order, undoName, sep);
+  }
+
+  @Override
+  public String orderAlignmentBy(AlignFrameI alf, String order,
+          String undoName, String sep)
+  {
+    return appLoader.orderAlignmentBy(alf, order, undoName, sep);
+  }
+
+  @Override
+  public String getAlignment(String format)
+  {
+    return getAlignmentFrom(null, format, null);
+  }
+
+  @Override
+  public String getAlignmentFrom(AlignFrameI alf, String format)
+  {
+    return getAlignmentFrom(alf, format, null);
+  }
+
+  @Override
+  public String getAlignment(String format, String suffix)
+  {
+    return getAlignmentFrom(getCurrentAlignFrame(), format, suffix);
+  }
+
+  @Override
+  public String getAlignmentFrom(AlignFrameI alf, String format,
+          String suffix)
+  {
+    return appLoader.getAlignmentFrom(alf, format, suffix);
+  }
+
+  @Override
+  public void loadAnnotation(String annotation)
+  {
+    loadAnnotationFrom(getCurrentAlignFrame(), annotation);
+  }
+
+  @Override
+  public void loadAnnotationFrom(AlignFrameI alf, String annotation)
+  {
+    appLoader.loadAnnotationFrom(alf, annotation);
+  }
+
+  @Override
+  public void loadFeatures(String features, boolean autoenabledisplay)
+  {
+    loadFeaturesFrom(currentAlignFrame, features, autoenabledisplay);
+  }
+
+  @Override
+  public boolean loadFeaturesFrom(AlignFrameI alf, String features,
+          boolean autoenabledisplay)
+  {
+    return appLoader.loadFeaturesFrom(alf, features, autoenabledisplay);
+  }
+
+  @Override
+  public String getFeatures(String format)
+  {
+    return getFeaturesFrom(getCurrentAlignFrame(), format);
+  }
+
+  @Override
+  public String getFeaturesFrom(AlignFrameI alf, String format)
+  {
+    return appLoader.getFeaturesFrom(alf, format);
+  }
+
+  @Override
+  public String getAnnotation()
+  {
+    return getAnnotationFrom(getCurrentAlignFrame());
+  }
+
+  @Override
+  public String getAnnotationFrom(AlignFrameI alf)
+  {
+    return appLoader.getAnnotationFrom(alf);
+  }
+
+  @Override
+  public AlignFrameI newView()
+  {
+    return newViewFrom(getCurrentAlignFrame(), null);
+  }
+
+  @Override
+  public AlignFrameI newView(String name)
+  {
+    return newViewFrom(getCurrentAlignFrame(), name);
+  }
+
+  @Override
+  public AlignFrameI newViewFrom(AlignFrameI alf)
+  {
+    return newViewFrom(alf, null);
+  }
+
+  @Override
+  public AlignFrameI newViewFrom(AlignFrameI alf, String name)
+  {
+    return appLoader.newViewFrom(alf, name);
+  }
+
+  @Override
+  public AlignFrameI loadAlignment(String text, String title)
+  {
+    return appLoader.loadAlignment(text, AlignFrame.DEFAULT_WIDTH,
+            AlignFrame.DEFAULT_HEIGHT, title);
+  }
+
+  @Override
+  public boolean addPdbFile(AlignFrameI alFrame, String sequenceId,
+          String pdbEntryString, String pdbFile)
+  {
+    return appLoader.addPdbFile(alFrame, sequenceId, pdbEntryString,
+            pdbFile);
+  }
+
+  @Override
+  public void scrollViewToIn(AlignFrameI alf, String topRow,
+          String leftHandColumn)
+  {
+    appLoader.scrollViewToIn(alf, topRow, leftHandColumn);
+  }
+
+  @Override
+  public void scrollViewToRowIn(AlignFrameI alf, String topRow)
+  {
+    appLoader.scrollViewToRowIn(alf, topRow);
+  }
+
+  @Override
+  public void scrollViewToColumnIn(AlignFrameI alf, String leftHandColumn)
+  {
+    appLoader.scrollViewToColumnIn(alf, leftHandColumn);
+  }
+
+  @Override
+  public String getFeatureGroups()
+  {
+    return getFeatureGroupsOn(getCurrentAlignFrame());
+  }
+
+  @Override
+  public String getFeatureGroupsOn(AlignFrameI alf)
+  {
+    return appLoader.getFeatureGroupsOn(alf);
+  }
+
+  @Override
+  public String getFeatureGroupsOfState(boolean visible)
+  {
+    return getFeatureGroupsOfStateOn(getCurrentAlignFrame(), visible);
+  }
+
+  @Override
+  public String getFeatureGroupsOfStateOn(AlignFrameI alf, boolean visible)
+  {
+    return appLoader.getFeatureGroupsOfStateOn(alf, visible);
+  }
+
+  @Override
+  public void setFeatureGroupStateOn(AlignFrameI alf, String groups,
+          boolean state)
+  {
+    setFeatureGroupStateOn(alf, groups, state);
+  }
+
+  @Override
+  public void setFeatureGroupState(String groups, boolean state)
+  {
+    appLoader.setFeatureGroupStateOn(getCurrentAlignFrame(), groups, state);
+  }
+
+  @Override
+  public String getSeparator()
+  {
+    return appLoader.getSeparator();
+  }
+
+  @Override
+  public void setSeparator(String separator)
+  {
+    appLoader.setSeparator(separator);
+  }
+
+  @Override
+  public String getJsMessage(String messageclass, String viewId)
+  {
+    // see http://www.jalview.org/examples/jalviewLiteJs.html
+    return null;
+  }
+
+  /**
+   * Open a new Tree panel on the desktop statically. Params are standard (not
+   * set by Groovy). No dialog is opened.
+   * 
+   * @param af
+   * @param treeType
+   * @param modelName
+   * @return null, or the string "label.you_need_at_least_n_sequences" if number
+   *         of sequences selected is inappropriate
+   */
+  @Override
+  public Object openTreePanel(AlignFrame af, String treeType,
+          String modelName)
+  {
+    return CalculationChooser.openTreePanel(af, treeType, modelName, null);
+  }
+
+  /**
+   * public static method for JalviewJS API to open a PCAPanel without
+   * necessarily using a dialog.
+   * 
+   * @param af
+   * @param modelName
+   * @return the PCAPanel, or the string "label.you_need_at_least_n_sequences"
+   *         if number of sequences selected is inappropriate
+   */
+  @Override
+  public Object openPcaPanel(AlignFrame af, String modelName)
+  {
+    return CalculationChooser.openPcaPanel(af, modelName, null);
+  }
+
+  @Override
+  public String getSelectedSequencesAsAlignment(String format,
+          boolean suffix)
+  {
+    return getSelectedSequencesAsAlignmentFrom(getCurrentAlignFrame(),
+            format, suffix);
+  }
+
+  @Override
+  public String getSelectedSequencesAsAlignmentFrom(AlignFrameI alf,
+          String format, boolean suffix)
+  {
+    return appLoader.getSelectedSequencesAsAlignmentFrom(alf, format,
+            "" + suffix);
+  }
+
+  @Override
+  public String arrayToSeparatorList(String[] array)
+  {
+    return appLoader.arrayToSeparatorList(array);
+  }
+
+  @Override
+  public String[] separatorListToArray(String list)
+  {
+    return appLoader.separatorListToArray(list);
+  }
+
+  //// probably not needed in JalviewJS -- From when Jmol and Jalview did not
+  //// have a direct connection?
+
+  @Override
+  public void setMouseoverListener(String listener)
+  {
+    // TODO Auto-generated method stub
+
+  }
+
+  @Override
+  public void setMouseoverListener(AlignFrameI af, String listener)
+  {
+    // TODO Auto-generated method stub
+
+  }
+
+  @Override
+  public void setSelectionListener(String listener)
+  {
+    // TODO Auto-generated method stub
+
+  }
+
+  @Override
+  public void setSelectionListener(AlignFrameI af, String listener)
+  {
+    // TODO Auto-generated method stub
+
+  }
+
+  @Override
+  public void setStructureListener(String listener, String modelSet)
+  {
+    // TODO Auto-generated method stub
+
+  }
+
+  @Override
+  public void removeJavascriptListener(AlignFrameI af, String listener)
+  {
+    // TODO Auto-generated method stub
+
+  }
+
+  @Override
+  public void mouseOverStructure(String pdbResNum, String chain,
+          String pdbfile)
+  {
+    // TODO Auto-generated method stub
+
+  }
+
+  @Override
+  public void showOverview()
+  {
+    currentAlignFrame.overviewMenuItem_actionPerformed(null);
+  }
+
+}
+