header updated
[jalview.git] / src / jalview / gui / Desktop.java
index 6a6ba2f..9d58c7b 100755 (executable)
@@ -1,6 +1,6 @@
 /*\r
  * Jalview - A Sequence Alignment Editor and Viewer\r
- * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
+ * Copyright (C) 2006 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
  */\r
 package jalview.gui;\r
 \r
-import jalview.datamodel.*;\r
-\r
 import jalview.io.*;\r
 \r
 import java.awt.*;\r
 import java.awt.datatransfer.*;\r
 import java.awt.dnd.*;\r
 import java.awt.event.*;\r
+import java.util.*;\r
 \r
 import javax.swing.*;\r
 \r
@@ -37,19 +36,27 @@ import javax.swing.*;
  * @version $Revision$\r
  */\r
 public class Desktop extends jalview.jbgui.GDesktop\r
-    implements DropTargetListener\r
+    implements DropTargetListener, ClipboardOwner\r
 {\r
     /** DOCUMENT ME!! */\r
+    public static Desktop instance;\r
     public static JDesktopPane desktop;\r
     static int openFrameCount = 0;\r
     static final int xOffset = 30;\r
     static final int yOffset = 30;\r
+    public static jalview.ws.Discoverer discoverer;\r
+\r
+    public static Object [] jalviewClipboard;\r
+\r
+    static int fileLoadingCount= 0;\r
 \r
     /**\r
      * Creates a new Desktop object.\r
      */\r
     public Desktop()\r
     {\r
+        instance = this;\r
+\r
         Image image = null;\r
 \r
         try\r
@@ -63,18 +70,19 @@ public class Desktop extends jalview.jbgui.GDesktop
                 MediaTracker mt = new MediaTracker(this);\r
                 mt.addImage(image, 0);\r
                 mt.waitForID(0);\r
-               // setIconImage(image);\r
+                setIconImage(image);\r
             }\r
         }\r
         catch (Exception ex)\r
         {\r
         }\r
 \r
-        setTitle("Jalview 2005");\r
+        setTitle("Jalview "+jalview.bin.Cache.getProperty("VERSION"));\r
         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);\r
         desktop = new JDesktopPane();\r
         desktop.setBackground(Color.white);\r
-        setContentPane(desktop);\r
+        getContentPane().setLayout(new BorderLayout());\r
+        getContentPane().add(desktop, BorderLayout.CENTER);\r
         desktop.setDragMode(JDesktopPane.OUTLINE_DRAG_MODE);\r
 \r
         // This line prevents Windows Look&Feel resizing all new windows to maximum\r
@@ -115,9 +123,13 @@ public class Desktop extends jalview.jbgui.GDesktop
         SplashScreen splash = new SplashScreen(frame, image);\r
         frame.setContentPane(splash);\r
         frame.setLayer(JLayeredPane.PALETTE_LAYER);\r
-        addInternalFrame(frame, "", 750, 160, false);\r
         frame.setLocation((int) ((getWidth() - 750) / 2),\r
             (int) ((getHeight() - 160) / 2));\r
+\r
+        addInternalFrame(frame, "", 750, 160, false);\r
+\r
+        discoverer=new jalview.ws.Discoverer(); // Only gets started if gui is displayed.\r
+\r
     }\r
 \r
     /**\r
@@ -128,7 +140,7 @@ public class Desktop extends jalview.jbgui.GDesktop
      * @param w DOCUMENT ME!\r
      * @param h DOCUMENT ME!\r
      */\r
-    public static void addInternalFrame(final JInternalFrame frame,\r
+    public static synchronized void addInternalFrame(final JInternalFrame frame,\r
         String title, int w, int h)\r
     {\r
         addInternalFrame(frame, title, w, h, true);\r
@@ -143,38 +155,60 @@ public class Desktop extends jalview.jbgui.GDesktop
      * @param h DOCUMENT ME!\r
      * @param resizable DOCUMENT ME!\r
      */\r
-    public static void addInternalFrame(final JInternalFrame frame,\r
+    public static synchronized void addInternalFrame(final JInternalFrame frame,\r
         String title, int w, int h, boolean resizable)\r
     {\r
-        desktop.add(frame);\r
-        openFrameCount++;\r
 \r
-        try\r
-        {\r
-            frame.setSelected(true);\r
-        }\r
-        catch (java.beans.PropertyVetoException e)\r
-        {\r
-        }\r
-\r
-        frame.setTitle(title);\r
+      frame.setTitle(title);\r
+      if(frame.getWidth()<1 || frame.getHeight()<1)\r
+      {\r
         frame.setSize(w, h);\r
+      }\r
+      // THIS IS A PUBLIC STATIC METHOD, SO IT MAY BE CALLED EVEN IN\r
+      // A HEADLESS STATE WHEN NO DESKTOP EXISTS. MUST RETURN\r
+      // IF JALVIEW IS RUNNING HEADLESS\r
+      /////////////////////////////////////////////////\r
+      if (System.getProperty("java.awt.headless") != null\r
+          && System.getProperty("java.awt.headless").equals("true"))\r
+      {\r
+        return;\r
+      }\r
+\r
+\r
+        openFrameCount++;\r
+\r
+        frame.setVisible(true);\r
         frame.setClosable(true);\r
         frame.setResizable(resizable);\r
         frame.setMaximizable(resizable);\r
         frame.setIconifiable(resizable);\r
         frame.setFrameIcon(null);\r
-        frame.setLocation(xOffset * openFrameCount, yOffset * openFrameCount);\r
-        frame.toFront();\r
+\r
+        if (frame.getX()<1 && frame.getY()<1)\r
+       {\r
+         frame.setLocation(xOffset * openFrameCount, yOffset * ((openFrameCount-1)%10)+yOffset);\r
+       }\r
 \r
         final JMenuItem menuItem = new JMenuItem(title);\r
         frame.addInternalFrameListener(new javax.swing.event.InternalFrameAdapter()\r
             {\r
+              public void internalFrameActivated(javax.swing.event.\r
+                                                 InternalFrameEvent evt)\r
+              {\r
+                JInternalFrame itf = desktop.getSelectedFrame();\r
+                if (itf != null)\r
+                  itf.requestFocus();\r
+\r
+              }\r
+\r
                 public void internalFrameClosed(\r
                     javax.swing.event.InternalFrameEvent evt)\r
                 {\r
                     openFrameCount--;\r
                     windowMenu.remove(menuItem);\r
+                    JInternalFrame itf = desktop.getSelectedFrame();\r
+                       if (itf != null)\r
+                        itf.requestFocus();\r
                 }\r
                 ;\r
             });\r
@@ -190,51 +224,38 @@ public class Desktop extends jalview.jbgui.GDesktop
                     }\r
                     catch (java.beans.PropertyVetoException ex)\r
                     {\r
-                    }\r
 \r
-                    ;\r
+                    }\r
                 }\r
             });\r
 \r
-        frame.setVisible(true);\r
         windowMenu.add(menuItem);\r
+\r
+        desktop.add(frame);\r
+        frame.toFront();\r
+        try{\r
+          frame.setSelected(true);\r
+          frame.requestFocus();\r
+        }catch(java.beans.PropertyVetoException ve)\r
+        {}\r
     }\r
 \r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param evt DOCUMENT ME!\r
-     */\r
-    public void dragEnter(DropTargetDragEvent evt)\r
+    public void lostOwnership(Clipboard clipboard, Transferable contents)\r
     {\r
+      Desktop.jalviewClipboard = null;\r
     }\r
 \r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param evt DOCUMENT ME!\r
-     */\r
+    public void dragEnter(DropTargetDragEvent evt)\r
+    {}\r
+\r
     public void dragExit(DropTargetEvent evt)\r
-    {\r
-    }\r
+    {}\r
 \r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param evt DOCUMENT ME!\r
-     */\r
     public void dragOver(DropTargetDragEvent evt)\r
-    {\r
-    }\r
+    {}\r
 \r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param evt DOCUMENT ME!\r
-     */\r
     public void dropActionChanged(DropTargetDragEvent evt)\r
-    {\r
-    }\r
+    {}\r
 \r
     /**\r
      * DOCUMENT ME!\r
@@ -244,40 +265,76 @@ public class Desktop extends jalview.jbgui.GDesktop
     public void drop(DropTargetDropEvent evt)\r
     {\r
         Transferable t = evt.getTransferable();\r
+        java.util.List files = null;\r
 \r
-        if (!t.isDataFlavorSupported(DataFlavor.javaFileListFlavor))\r
+        try\r
         {\r
-            return;\r
-        }\r
-\r
-        evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);\r
+          DataFlavor uriListFlavor = new DataFlavor("text/uri-list;class=java.lang.String");\r
+          if (t.isDataFlavorSupported(DataFlavor.javaFileListFlavor))\r
+          {\r
+            //Works on Windows and MacOSX\r
+            evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);\r
+            files = (java.util.List) t.getTransferData(DataFlavor.javaFileListFlavor);\r
+          }\r
+          else if (t.isDataFlavorSupported(uriListFlavor))\r
+          {\r
+            // This is used by Unix drag system\r
+            evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);\r
+            String data = (String) t.getTransferData(uriListFlavor);\r
+            files = new java.util.ArrayList(1);\r
+            for (java.util.StringTokenizer st = new java.util.StringTokenizer(\r
+                data,\r
+                "\r\n");\r
+                 st.hasMoreTokens(); )\r
+            {\r
+              String s = st.nextToken();\r
+              if (s.startsWith("#"))\r
+              {\r
+                // the line is a comment (as per the RFC 2483)\r
+                continue;\r
+              }\r
 \r
-        try\r
+              java.net.URI uri = new java.net.URI(s);\r
+              java.io.File file = new java.io.File(uri);\r
+              files.add(file);\r
+            }\r
+          }\r
+        }\r
+        catch (Exception e)\r
         {\r
-            java.util.List files = (java.util.List) t.getTransferData(DataFlavor.javaFileListFlavor);\r
+          e.printStackTrace();\r
+        }\r
 \r
+        if (files != null)\r
+        {\r
+          try\r
+          {\r
             for (int i = 0; i < files.size(); i++)\r
             {\r
-                String file = files.get(i).toString();\r
-                String protocol = "File";\r
-                String format = null;\r
+              String file = files.get(i).toString();\r
+              String protocol = FormatAdapter.FILE;\r
+              String format = null;\r
 \r
-                if (file.endsWith(".jar"))\r
-                {\r
-                  format = "Jalview";\r
+              if (file.endsWith(".jar"))\r
+              {\r
+                format = "Jalview";\r
+\r
+              }\r
+              else\r
+              {\r
+                format = new IdentifyFile().Identify(file,\r
+                                                          protocol);\r
+              }\r
+\r
+\r
+              new FileLoader().LoadFile(file, protocol, format);\r
 \r
-                }\r
-                else\r
-                {\r
-                    format = jalview.io.IdentifyFile.Identify(file,\r
-                            protocol);\r
-                }\r
-                LoadFile(file, protocol, format);\r
             }\r
-        }\r
-        catch (Exception ex)\r
-        {\r
+          }\r
+          catch (Exception ex)\r
+          {\r
             ex.printStackTrace();\r
+          }\r
         }\r
     }\r
 \r
@@ -286,7 +343,7 @@ public class Desktop extends jalview.jbgui.GDesktop
      *\r
      * @param e DOCUMENT ME!\r
      */\r
-    public void inputLocalFileMenuItem_actionPerformed(ActionEvent e)\r
+    public void inputLocalFileMenuItem_actionPerformed(AlignViewport viewport)\r
     {\r
         JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.getProperty(\r
                     "LAST_DIRECTORY"),\r
@@ -315,81 +372,77 @@ public class Desktop extends jalview.jbgui.GDesktop
             String format = null;\r
             if (chooser.getSelectedFormat().equals("Jalview"))\r
             {\r
-              format = "Jalview";\r
+                format = "Jalview";\r
             }\r
             else\r
             {\r
-                format = IdentifyFile.Identify(choice, "File");\r
+                format = new IdentifyFile().Identify(choice, FormatAdapter.FILE);\r
             }\r
 \r
-            jalview.bin.Cache.setProperty("DEFAULT_FILE_FORMAT", format);\r
-            LoadFile(choice, "File", format);\r
+            if (viewport != null)\r
+              new FileLoader().LoadFile(viewport, choice, FormatAdapter.FILE, format);\r
+            else\r
+              new FileLoader().LoadFile(choice, FormatAdapter.FILE, format);\r
         }\r
     }\r
 \r
+\r
+\r
     /**\r
      * DOCUMENT ME!\r
      *\r
-     * @param file DOCUMENT ME!\r
-     * @param protocol DOCUMENT ME!\r
-     * @param format DOCUMENT ME!\r
-     */\r
-    public void LoadFile(String file, String protocol, String format)\r
-    {\r
-        LoadingThread loader = new LoadingThread(file, protocol, format);\r
-        loader.start();\r
-    }\r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param file DOCUMENT ME!\r
-     * @param protocol DOCUMENT ME!\r
-     * @param format DOCUMENT ME!\r
+     * @param e DOCUMENT ME!\r
      */\r
-    public AlignFrame LoadFileWaitTillLoaded(String file, String protocol, String format)\r
+    public void inputURLMenuItem_actionPerformed(AlignViewport viewport)\r
     {\r
-        LoadingThread loader = new LoadingThread(file, protocol, format);\r
-        loader.start();\r
+      // This construct allows us to have a wider textfield\r
+      // for viewing\r
+      JLabel label = new JLabel("Enter URL of Input File");\r
+      final JComboBox history = new JComboBox();\r
+\r
+      JPanel panel = new JPanel(new GridLayout(2,1));\r
+      panel.add(label);\r
+      panel.add(history);\r
+      history.setPreferredSize(new Dimension(400,20));\r
+      history.setEditable(true);\r
+      history.addItem("http://www.");\r
+\r
+      String historyItems = jalview.bin.Cache.getProperty("RECENT_URL");\r
+\r
+      StringTokenizer st;\r
+\r
+      if (historyItems != null)\r
+      {\r
+        st = new StringTokenizer(historyItems, "\t");\r
 \r
-        while (loader.isAlive())\r
+        while (st.hasMoreTokens())\r
         {\r
-          try\r
-          {\r
-            Thread.sleep(50);\r
-          }\r
-          catch (Exception ex)\r
-          {}\r
+          history.addItem(st.nextElement());\r
         }\r
+      }\r
 \r
-      return loader.af;\r
-    }\r
+       int reply = JOptionPane.showInternalConfirmDialog(desktop,\r
+          panel, "Input Alignment From URL",\r
+          JOptionPane.OK_CANCEL_OPTION );\r
 \r
-    /**\r
-     * DOCUMENT ME!\r
-     *\r
-     * @param e DOCUMENT ME!\r
-     */\r
-    public void inputURLMenuItem_actionPerformed(ActionEvent e)\r
-    {\r
-        String url = JOptionPane.showInternalInputDialog(Desktop.desktop,\r
-                "Enter url of input file", "Input alignment from URL",\r
-                JOptionPane.QUESTION_MESSAGE, null, null, "http://www.")\r
-                                .toString();\r
 \r
-        if (url == null)\r
+        if (reply != JOptionPane.OK_OPTION )\r
         {\r
             return;\r
         }\r
 \r
-        if (url.trim().toLowerCase().endsWith(".jar"))\r
+        String url = history.getSelectedItem().toString();\r
+\r
+        if (url.toLowerCase().endsWith(".jar"))\r
         {\r
-               jalview.bin.Cache.setProperty("DEFAULT_FILE_FORMAT", "Jalview");\r
-               Jalview2XML.LoadJalviewAlign(url);\r
+          if (viewport != null)\r
+            new FileLoader().LoadFile(viewport, url, FormatAdapter.URL, "Jalview");\r
+          else\r
+            new FileLoader().LoadFile(url, FormatAdapter.URL, "Jalview");\r
         }\r
         else\r
         {\r
-\r
-          String format = IdentifyFile.Identify(url, "URL");\r
+          String format = new IdentifyFile().Identify(url, FormatAdapter.URL);\r
 \r
           if (format.equals("URL NOT FOUND"))\r
           {\r
@@ -401,7 +454,10 @@ public class Desktop extends jalview.jbgui.GDesktop
             return;\r
           }\r
 \r
-          LoadFile(url, "URL", format);\r
+          if (viewport != null)\r
+            new FileLoader().LoadFile(viewport, url, FormatAdapter.URL, format);\r
+          else\r
+            new FileLoader().LoadFile(url, FormatAdapter.URL, format);\r
         }\r
     }\r
 \r
@@ -410,10 +466,10 @@ public class Desktop extends jalview.jbgui.GDesktop
      *\r
      * @param e DOCUMENT ME!\r
      */\r
-    public void inputTextboxMenuItem_actionPerformed(ActionEvent e)\r
+    public void inputTextboxMenuItem_actionPerformed(AlignViewport viewport)\r
     {\r
         CutAndPasteTransfer cap = new CutAndPasteTransfer();\r
-        cap.setForInput();\r
+        cap.setForInput(viewport);\r
         Desktop.addInternalFrame(cap, "Cut & Paste Alignment File", 600, 500);\r
     }\r
 \r
@@ -436,15 +492,32 @@ public class Desktop extends jalview.jbgui.GDesktop
      */\r
     public void aboutMenuItem_actionPerformed(ActionEvent e)\r
     {\r
-        JOptionPane.showInternalMessageDialog(Desktop.desktop,\r
-            "JalView 2005 version " + jalview.bin.Cache.VERSION +\r
-            "; last updated: " + jalview.bin.Cache.BUILD_DATE +\r
-            "\nAuthors:  Michele Clamp, James Cuff, Steve Searle, Andrew Waterhouse, Jim Procter & Geoff Barton." +\r
+      StringBuffer message = new StringBuffer("JalView version " +\r
+                                              jalview.bin.Cache.getProperty(\r
+          "VERSION") +\r
+                                              "; last updated: " +\r
+                                              jalview.bin.\r
+                                              Cache.getDefault("BUILD_DATE", "unknown"));\r
+\r
+      if (!jalview.bin.Cache.getProperty("LATEST_VERSION").equals(\r
+          jalview.bin.Cache.getProperty("VERSION")))\r
+      {\r
+        message.append("\n\n!! Jalview version "\r
+                       + jalview.bin.Cache.getProperty("LATEST_VERSION")\r
+                       + " is available for download from http://www.jalview.org !!\n");\r
+\r
+      }\r
+\r
+      message.append( "\nAuthors:  Michele Clamp, James Cuff, Steve Searle, Andrew Waterhouse, Jim Procter & Geoff Barton." +\r
             "\nCurrent development managed by Andrew Waterhouse; Barton Group, University of Dundee." +\r
             "\nFor all issues relating to Jalview, email help@jalview.org" +\r
             "\n\nIf  you use JalView, please cite:" +\r
             "\n\"Clamp, M., Cuff, J., Searle, S. M. and Barton, G. J. (2004), The Jalview Java Alignment Editor\"" +\r
-            "\nBioinformatics,  2004 12;426-7.", "About Jalview",\r
+            "\nBioinformatics,  2004 20;426-7.");\r
+\r
+        JOptionPane.showInternalMessageDialog(Desktop.desktop,\r
+\r
+           message.toString(), "About Jalview",\r
             JOptionPane.INFORMATION_MESSAGE);\r
     }\r
 \r
@@ -462,8 +535,6 @@ public class Desktop extends jalview.jbgui.GDesktop
             javax.help.HelpSet hs = new javax.help.HelpSet(cl, url);\r
 \r
             javax.help.HelpBroker hb = hs.createHelpBroker();\r
-            hb.setLocation(new Point(200, 50));\r
-            hb.setSize(new Dimension(800, 700));\r
             hb.setCurrentID("home");\r
             hb.setDisplayed(true);\r
         }\r
@@ -503,7 +574,7 @@ public class Desktop extends jalview.jbgui.GDesktop
         {\r
             java.io.File choice = chooser.getSelectedFile();\r
             jalview.bin.Cache.setProperty("LAST_DIRECTORY", choice.getParent());\r
-            Jalview2XML.SaveState(choice);\r
+            new Jalview2XML().SaveState(choice);\r
         }\r
     }\r
 \r
@@ -527,64 +598,72 @@ public class Desktop extends jalview.jbgui.GDesktop
             String choice = chooser.getSelectedFile().getAbsolutePath();\r
             jalview.bin.Cache.setProperty("LAST_DIRECTORY",\r
                 chooser.getSelectedFile().getParent());\r
-            Jalview2XML.LoadJalviewAlign(choice);\r
+            new Jalview2XML().LoadJalviewAlign(choice);\r
         }\r
     }\r
 \r
-    class LoadingThread extends Thread\r
+  /*  public void vamsasLoad_actionPerformed(ActionEvent e)\r
     {\r
-        String file;\r
-        String protocol;\r
-        String format;\r
-        AlignFrame af;\r
+      JalviewFileChooser chooser = new JalviewFileChooser(jalview.bin.Cache.\r
+          getProperty("LAST_DIRECTORY"));\r
 \r
-        public LoadingThread(String file, String protocol, String format)\r
-        {\r
-            this.file = file;\r
-            this.protocol = protocol;\r
-            this.format = format;\r
-        }\r
+      chooser.setFileView(new JalviewFileView());\r
+      chooser.setDialogTitle("Load Vamsas file");\r
+      chooser.setToolTipText("Import");\r
 \r
-        public void run()\r
-        {\r
-            SequenceI[] sequences = null;\r
+      int value = chooser.showOpenDialog(this);\r
 \r
-            if(format.equalsIgnoreCase("Jalview"))\r
-            {\r
-              Jalview2XML.LoadJalviewAlign(file);\r
-            }\r
-            else\r
-            {\r
-              if (FormatAdapter.formats.contains(format))\r
-              {\r
-                sequences = FormatAdapter.readFile(file, protocol, format);\r
-              }\r
+      if (value == JalviewFileChooser.APPROVE_OPTION)\r
+      {\r
+        jalview.io.VamsasDatastore vs = new jalview.io.VamsasDatastore(null);\r
+        vs.load(\r
+            chooser.getSelectedFile().getAbsolutePath()\r
+            );\r
+      }\r
 \r
-              if ( (sequences != null) && (sequences.length > 0))\r
-              {\r
-                af = new AlignFrame(new Alignment(sequences));\r
-                addInternalFrame(af, file, AlignFrame.NEW_WINDOW_WIDTH,\r
-                                 AlignFrame.NEW_WINDOW_HEIGHT);\r
-                af.currentFileFormat = format;\r
-                af.statusBar.setText("Successfully loaded file " + file);\r
+    }*/\r
 \r
-                try\r
-                {\r
-                  af.setMaximum(Preferences.showFullscreen);\r
-                }\r
-                catch (Exception ex)\r
-                {\r
-                }\r
-              }\r
-              else\r
-              {\r
-                JOptionPane.showInternalMessageDialog(Desktop.desktop,\r
-                    "Couldn't open file.\n" +\r
-                    "Formats currently supported are\n" +\r
-                    "Fasta, MSF, Clustal, BLC, PIR, MSP, and PFAM" // JBPNote - message should be generated through FormatAdapter!\r
-                    , "Error loading file", JOptionPane.WARNING_MESSAGE);\r
-              }\r
-            }\r
+\r
+    public void inputSequence_actionPerformed(ActionEvent e)\r
+    {\r
+      new SequenceFetcher(null);\r
+    }\r
+\r
+    JPanel progressPanel;\r
+\r
+    public void startLoading(final String fileName)\r
+    {\r
+      if (fileLoadingCount == 0)\r
+      {\r
+        progressPanel = new JPanel(new BorderLayout());\r
+        JProgressBar progressBar = new JProgressBar();\r
+        progressBar.setIndeterminate(true);\r
+\r
+        progressPanel.add(new JLabel("Loading File: " + fileName + "   "),\r
+                          BorderLayout.WEST);\r
+\r
+        progressPanel.add(progressBar, BorderLayout.CENTER);\r
+\r
+        instance.getContentPane().add(progressPanel, BorderLayout.SOUTH);\r
+      }\r
+      fileLoadingCount++;\r
+      validate();\r
+    }\r
+\r
+    public void stopLoading()\r
+    {\r
+      fileLoadingCount--;\r
+      if (fileLoadingCount < 1)\r
+      {\r
+        if(progressPanel!=null)\r
+        {\r
+          this.getContentPane().remove(progressPanel);\r
+          progressPanel = null;\r
         }\r
+        fileLoadingCount = 0;\r
+      }\r
+      validate();\r
     }\r
+\r
 }\r
+\r