2.08, not 2.07
[jalview.git] / src / jalview / bin / JalviewLite.java
index 35ebecc..199a843 100755 (executable)
@@ -28,68 +28,211 @@ import java.applet.*;
 \r
 import java.awt.*;\r
 import java.awt.event.*;\r
+import jalview.appletgui.TreePanel;\r
 \r
 \r
-public class JalviewLite extends Applet {\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
-    static Applet applet;\r
     boolean fileFound = true;\r
     String file = "No file";\r
     Button launcher = new Button("Start Jalview");\r
 \r
-    public void init() {\r
-        applet = this;\r
-        this.setBackground(Color.white);\r
+    //The currentAlignFrame is static, it will change\r
+    //if and when the user selects a new window\r
+    static AlignFrame currentAlignFrame;\r
+\r
+    //This is the first frame to be displayed, and does not change\r
+    AlignFrame initialAlignFrame;\r
+\r
+    boolean embedded = false;\r
+\r
+\r
+    /**\r
+     * init method for Jalview Applet\r
+     */\r
+    public void init()\r
+    {\r
+        int r = 255;\r
+        int g = 255;\r
+        int b = 255;\r
+        String param = getParameter("RGB");\r
+\r
+        if (param != null)\r
+        {\r
+            try\r
+            {\r
+                r = Integer.parseInt(param.substring(0, 2), 16);\r
+                g = Integer.parseInt(param.substring(2, 4), 16);\r
+                b = Integer.parseInt(param.substring(4, 6), 16);\r
+            }\r
+            catch (Exception ex)\r
+            {\r
+                r = 255;\r
+                g = 255;\r
+                b = 255;\r
+            }\r
+        }\r
+\r
+        param = getParameter("label");\r
+        if(param != null)\r
+          launcher.setLabel(param);\r
+\r
+        this.setBackground(new Color(r, g, b));\r
 \r
         file = getParameter("file");\r
 \r
-        if (file != null) {\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, applet);\r
+          loader.start();\r
+        }\r
+        else if (file != null)\r
+        {\r
             add(launcher);\r
-            file = applet.getCodeBase() + file;\r
-            launcher.addActionListener(new java.awt.event.ActionListener() {\r
-                    public void actionPerformed(ActionEvent e) {\r
-                        String format = jalview.io.IdentifyFile.Identify(file,\r
-                                "URL");\r
-                        LoadFile(file, "URL", format);\r
-                    }\r
+\r
+            launcher.addActionListener(new java.awt.event.ActionListener()\r
+                {\r
+                    public void actionPerformed(ActionEvent e)\r
+                    {\r
+                        LoadingThread loader = new LoadingThread(file,\r
+                            applet);\r
+                        loader.start();\r
+                      }\r
                 });\r
-        } else {\r
+        }\r
+        else\r
+        {\r
             file = "NO FILE";\r
             fileFound = false;\r
         }\r
     }\r
 \r
-    public static void showURL(String url) {\r
-        try {\r
-            applet.getAppletContext().showDocument(new java.net.URL(url),\r
-                "HELP_WINDOW");\r
-        } catch (Exception ex) {\r
-        }\r
-    }\r
 \r
-    public void LoadFile(String file, String protocol, String format) {\r
-        LoadingThread loader = new LoadingThread(file, protocol, format, this);\r
-        loader.start();\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 = new jalview.io.IdentifyFile().Identify(args[0],AppletFormatAdapter.FILE);\r
+\r
+      SequenceI[] sequences = null;\r
+     try{\r
+       sequences = new AppletFormatAdapter().readFile(args[0], AppletFormatAdapter.FILE, format);\r
+     }catch(java.io.IOException ex)\r
+     {\r
+       ex.printStackTrace();\r
+     }\r
+      if ( (sequences != null) && (sequences.length > 0))\r
+      {\r
+        AlignFrame af = new AlignFrame(new Alignment(sequences), null, args[0], false);\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
+        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
-                public void windowClosing(WindowEvent e) {\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 void paint(Graphics g) {\r
-        if (!fileFound) {\r
+    public String getSelectedSequences()\r
+    {\r
+      StringBuffer result = new StringBuffer("");\r
+\r
+      if(initialAlignFrame.viewport.getSelectionGroup()!=null)\r
+      {\r
+        SequenceI[] seqs = initialAlignFrame.viewport.getSelectionGroup().\r
+            getSequencesInOrder(\r
+                initialAlignFrame.viewport.getAlignment());\r
+\r
+        for (int i = 0; i < seqs.length; i++)\r
+          result.append(seqs[i].getName() + "¬");\r
+      }\r
+\r
+      return result.toString();\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
@@ -97,37 +240,167 @@ public class JalviewLite extends Applet {
             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
+    class LoadingThread extends Thread\r
+    {\r
         String file;\r
         String protocol;\r
         String format;\r
-        JalviewLite jlapplet;\r
-\r
-        public LoadingThread(String file, String protocol, String format,\r
-            JalviewLite applet) {\r
-            this.file = file;\r
-            this.protocol = protocol;\r
-            this.format = format;\r
-            this.jlapplet = applet;\r
+        JalviewLite applet;\r
+\r
+        public LoadingThread(String _file,\r
+                             JalviewLite _applet)\r
+        {\r
+            file = _file;\r
+            if(inArchive(file))\r
+              protocol = AppletFormatAdapter.CLASSLOADER;\r
+            else\r
+            {\r
+              file = addProtocol(file);\r
+              protocol = AppletFormatAdapter.URL;\r
+            }\r
+            format = new jalview.io.IdentifyFile().Identify(file, protocol);\r
+            applet = _applet;\r
         }\r
 \r
-        public void run() {\r
+        public void run()\r
+        {\r
             SequenceI[] sequences = null;\r
-            sequences = FormatAdapter.readFile(file, protocol, format);\r
-\r
-            if ((sequences != null) && (sequences.length > 0)) {\r
-                AlignFrame af = new AlignFrame(new Alignment(sequences),\r
-                        jlapplet);\r
-                addFrame(af, file, AlignFrame.NEW_WINDOW_WIDTH,\r
-                    AlignFrame.NEW_WINDOW_HEIGHT);\r
-                af.statusBar.setText("Successfully loaded file " + file);\r
-            } else {\r
+            try{\r
+              sequences = new AppletFormatAdapter().readFile(file, protocol,\r
+                  format);\r
+            }catch(java.io.IOException ex)\r
+            {\r
+              ex.printStackTrace();\r
+            }\r
+            if ((sequences != null) && (sequences.length > 0))\r
+            {\r
+              currentAlignFrame = new AlignFrame(new Alignment(sequences),\r
+                                                 applet,\r
+                                                 file,\r
+                                                 embedded);\r
+\r
+              initialAlignFrame = currentAlignFrame;\r
+\r
+              currentAlignFrame.statusBar.setText("Successfully loaded file " + file);\r
+\r
+\r
+                String treeFile = applet.getParameter("treeFile");\r
+                if (treeFile != null)\r
+                {\r
+                  try\r
+                  {\r
+                    if(inArchive(treeFile))\r
+                      protocol = AppletFormatAdapter.CLASSLOADER;\r
+                    else\r
+                    {\r
+                      protocol = AppletFormatAdapter.URL;\r
+                      treeFile = addProtocol(treeFile);\r
+                    }\r
+\r
+                    jalview.io.NewickFile fin = new jalview.io.NewickFile(treeFile, protocol);\r
+\r
+                    fin.parse();\r
+\r
+                    if (fin.getTree() != null)\r
+                    {\r
+                      currentAlignFrame.loadTree(fin, treeFile);\r
+                    }\r
+                  }\r
+                  catch (Exception ex)\r
+                  {\r
+                    ex.printStackTrace();\r
+                  }\r
+              }\r
+\r
+              String param = getParameter("features");\r
+              if (param != null)\r
+              {\r
+                if( !inArchive(param) )\r
+                  param = addProtocol( param );\r
+\r
+                currentAlignFrame.parseFeaturesFile(param);\r
+              }\r
+\r
+             param = getParameter("annotations");\r
+             if (param != null)\r
+             {\r
+               if( !inArchive(param) )\r
+                  param = addProtocol( param );\r
+\r
+               new AnnotationReader().readAnnotationFile(\r
+                   currentAlignFrame.viewport.getAlignment(),\r
+                   param);\r
+\r
+               currentAlignFrame.alignPanel.fontChanged();\r
+             }\r
+\r
+\r
+                String pdbfile = applet.getParameter("PDBFILE");\r
+                if(pdbfile!=null)\r
+                {\r
+                  if( inArchive(pdbfile) )\r
+                    protocol = AppletFormatAdapter.CLASSLOADER;\r
+                  else\r
+                  {\r
+                    protocol = AppletFormatAdapter.URL;\r
+                    pdbfile = addProtocol(pdbfile);\r
+                  }\r
+\r
+                  String sequence = applet.getParameter("PDBSEQ");\r
+\r
+                  if(sequence!=null)\r
+                  {\r
+                    new MCview.AppletPDBViewer(pdbfile, protocol,\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
+         * Discovers whether the given file is in the Applet Archive\r
+         * @param file String\r
+         * @return boolean\r
+         */\r
+        boolean inArchive(String file)\r
+        {\r
+          //This might throw a security exception in certain browsers\r
+          //Netscape Communicator for instance.\r
+          try{\r
+            return (getClass().getResourceAsStream("/" + file) != null);\r
+          }catch(Exception ex)\r
+          {\r
+            System.out.println("Exception checking resources: "+file+" "+ex);\r
+            return false;\r
+          }\r
+        }\r
+\r
+        String addProtocol(String file)\r
+        {\r
+          if (file.indexOf("://") == -1)\r
+             file = getCodeBase() + file;\r
+\r
+          return file;\r
+        }\r
+\r
     }\r
 }\r