| /* |
| * Copyright (c) 2000, 2008, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.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; |
| |
| } |