--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/agent/src/share/classes/com/sun/java/swing/ui/StatusBar.java	Tue Jul 29 13:54:27 2008 -0700
@@ -0,0 +1,178 @@
+/*
+ * Copyright 2000-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+
+package com.sun.java.swing.ui;
+
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+
+public class StatusBar extends JPanel
+    implements ActionListener, MouseListener
+{
+
+    public StatusBar()
+    {
+        setLayout(new FlowLayout(0));
+        setBorder(BorderFactory.createEtchedBorder());
+        progressBar = new JProgressBar(0, 0, 100);
+        progressBar.setPreferredSize(new Dimension(60, progressBar.getPreferredSize().height + 2));
+        progressBar.setVisible(false);
+        label = new JLabel("                                                                                        ");
+        preferredSize = new Dimension(getWidth(label.getText()), 2 * getFontHeight());
+        add(progressBar);
+        add(label);
+    }
+
+    public static StatusBar getInstance()
+    {
+        if(statusBar == null)
+            statusBar = new StatusBar();
+        return statusBar;
+    }
+
+    public static void setInstance(StatusBar sb)
+    {
+        statusBar = sb;
+    }
+
+    protected int getWidth(String s)
+    {
+        FontMetrics fm = getFontMetrics(getFont());
+        if(fm == null)
+            return 0;
+        else
+            return fm.stringWidth(s);
+    }
+
+    protected int getFontHeight()
+    {
+        FontMetrics fm = getFontMetrics(getFont());
+        if(fm == null)
+            return 0;
+        else
+            return fm.getHeight();
+    }
+
+    public Dimension getPreferredSize()
+    {
+        return preferredSize;
+    }
+
+    public void setMessage(String message)
+    {
+        label.setText(message);
+        label.repaint();
+    }
+
+    public void startBusyBar()
+    {
+        forward = true;
+        if(timer == null)
+        {
+            setMessage("");
+            progressBar.setVisible(true);
+            timer = new Timer(15, this);
+            timer.start();
+        }
+    }
+
+    public void stopBusyBar()
+    {
+        if(timer != null)
+        {
+            timer.stop();
+            timer = null;
+        }
+        setMessage("");
+        progressBar.setVisible(false);
+        progressBar.setValue(0);
+    }
+
+    public void actionPerformed(ActionEvent evt)
+    {
+        int value = progressBar.getValue();
+        if(forward)
+        {
+            if(value < 100)
+            {
+                progressBar.setValue(value + 1);
+            } else
+            {
+                forward = false;
+                progressBar.setValue(value - 1);
+            }
+        } else
+        if(value > 0)
+        {
+            progressBar.setValue(value - 1);
+        } else
+        {
+            forward = true;
+            progressBar.setValue(value + 1);
+        }
+    }
+
+    public void mouseClicked(MouseEvent mouseevent)
+    {
+    }
+
+    public void mousePressed(MouseEvent mouseevent)
+    {
+    }
+
+    public void mouseReleased(MouseEvent mouseevent)
+    {
+    }
+
+    public void mouseExited(MouseEvent evt)
+    {
+        setMessage("");
+    }
+
+    public void mouseEntered(MouseEvent evt)
+    {
+        if(evt.getSource() instanceof AbstractButton)
+        {
+            AbstractButton button = (AbstractButton)evt.getSource();
+            Action action = button.getAction();
+            if(action != null)
+            {
+                String message = (String)action.getValue("LongDescription");
+                setMessage(message);
+            }
+        }
+    }
+
+    private static final int PROGRESS_MAX = 100;
+    private static final int PROGRESS_MIN = 0;
+    private JLabel label;
+    private Dimension preferredSize;
+    private JProgressBar progressBar;
+    private Timer timer;
+    private boolean forward;
+    private static StatusBar statusBar;
+
+}