Darcula Look and Feel。
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/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* -Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* -Redistribution in binary form must reproduct the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT
* BE LIABLE FOR ANY DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT
* OF OR RELATING TO USE, MODIFICATION OR DISTRIBUTION OF THE SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
* REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
* INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
* OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN
* IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that Software is not designed, licensed or intended for
* use in the design, construction, operation or maintenance of any nuclear
* facility.
*/
/*
* @(#)ProgressBarDemo.java 1.7 03/01/23
*/
import javax.swing.*;
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import javax.swing.border.BevelBorder;
import javax.swing.border.SoftBevelBorder;
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import java.awt.*;
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import java.awt.event.ActionEvent;
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/**
* JProgressBar Demo
*
* @version 1.7 01/23/03
* @author Jeff Dinkins
# @author Peter Korn (accessibility support)
*/
public class ProgressBarDemo extends DemoModule {
/**
* main method allows us to run as a standalone demo.
*/
public static void main(String[] args) {
ProgressBarDemo demo = new ProgressBarDemo(null);
demo.mainImpl();
}
/**
* ProgressBarDemo Constructor
*/
public ProgressBarDemo(SwingSet2 swingset) {
// Set the title for this demo, and an icon used to represent this
// demo inside the SwingSet2 app.
super(swingset, "ProgressBarDemo", "toolbar/JProgressBar.gif");
createProgressPanel();
}
javax.swing.Timer timer;
Action loadAction;
Action stopAction;
JProgressBar progressBar;
JTextArea progressTextArea;
public void createProgressPanel() {
getDemoPanel().setLayout(new BorderLayout());
JPanel textWrapper = new JPanel(new BorderLayout());
textWrapper.setBorder(new SoftBevelBorder(BevelBorder.LOWERED));
textWrapper.setAlignmentX(LEFT_ALIGNMENT);
progressTextArea = new MyTextArea();
progressTextArea.getAccessibleContext().setAccessibleName(getString("ProgressBarDemo.accessible_text_area_name"));
progressTextArea.getAccessibleContext().setAccessibleName(getString("ProgressBarDemo.accessible_text_area_description"));
textWrapper.add(new JScrollPane(progressTextArea), BorderLayout.CENTER);
getDemoPanel().add(textWrapper, BorderLayout.CENTER);
JPanel progressPanel = new JPanel();
getDemoPanel().add(progressPanel, BorderLayout.SOUTH);
progressBar = new JProgressBar(JProgressBar.HORIZONTAL, 0, text.length()) {
public Dimension getPreferredSize() {
return new Dimension(300, super.getPreferredSize().height);
}
};
progressBar.getAccessibleContext().setAccessibleName(getString("ProgressBarDemo.accessible_text_loading_progress"));
progressPanel.add(progressBar);
progressPanel.add(createLoadButton());
progressPanel.add(createStopButton());
}
public JButton createLoadButton() {
loadAction = new AbstractAction(getString("ProgressBarDemo.start_button")) {
public void actionPerformed(ActionEvent e) {
if(timer == null) {
loadAction.setEnabled(false);
stopAction.setEnabled(true);
timer = new javax.swing.Timer(18, createTextLoadAction());
timer.start();
}
}
};
return createButton(loadAction);
}
public JButton createStopButton() {
stopAction = new AbstractAction(getString("ProgressBarDemo.stop_button")) {
public void actionPerformed(ActionEvent e) {
if(timer != null) {
timer.stop();
timer = null;
}
loadAction.setEnabled(true);
stopAction.setEnabled(false);
}
};
return createButton(stopAction);
}
public JButton createButton(Action a) {
JButton b = new JButton();
// setting the following client property informs the button to show
// the action text as it's name. The default is to not show the
// action text.
b.putClientProperty("displayActionText", Boolean.TRUE);
b.setAction(a);
return b;
}
int textLocation = 0;
String text = getString("ProgressBarDemo.text");
public Action createTextLoadAction() {
return new AbstractAction("text load action") {
public void actionPerformed (ActionEvent e) {
if(progressBar.getValue() < progressBar.getMaximum()) {
progressBar.setValue(progressBar.getValue() + 1);
progressTextArea.append(text.substring(textLocation, textLocation+1));
textLocation++;
} else {
if(timer != null) {
timer.stop();
timer = null;
loadAction.setEnabled(true);
stopAction.setEnabled(false);
}
}
}
};
}
class MyTextArea extends JTextArea {
public MyTextArea() {
super(null, 0, 0);
setEditable(false);
setText("");
}
public float getAlignmentX () {
return LEFT_ALIGNMENT;
}
public float getAlignmentY () {
return TOP_ALIGNMENT;
}
}
}