|
|
Blocking Window Java code example - Click here to copy ->>>
Can't find what you're looking for? Try our search:
|
|
Really working examples categorized by API, package, class. You can compile and run our examples right away!
Not from source code for Java projects - only working examples! Copy, compile and run!
|
------------------
| Code: |
import java.awt.event.*;
import java.awt.*;
import javax.swing.*;
import javax.swing.event.*;
/* as a future enhancment you could make it beep or
pop up a dialog box saying stuff is in process, do you wish
to quit.
*/
public class BlockingWindow extends JComponent
implements MouseInputListener {
private Cursor old_cursor;
public BlockingWindow() {
addMouseListener(this);
addMouseMotionListener(this);
}
public void mouseMoved(MouseEvent e) {
}
public void mouseDragged(MouseEvent e) {
}
public void mouseClicked(MouseEvent e) {
}
public void mouseEntered(MouseEvent e) {
}
public void mouseExited(MouseEvent e) {
}
public void mousePressed(MouseEvent e) {
}
public void mouseReleased(MouseEvent e) {
}
public void block() {
old_cursor = getCursor();
setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
setVisible(true);
}
public void unBlock() {
setCursor(old_cursor);
setVisible(false);
}
public static void main(String[] args) {
JFrame frame = new JFrame("Blocking Window");
JTextArea jta = new JTextArea(10,40);
JScrollPane scroll = new JScrollPane(jta);
JButton start = new JButton("Start Processing");
JLabel status = new JLabel("status");
BlockingWindow blocker = new BlockingWindow();
frame.setGlassPane(blocker);
start.addActionListener(new LongProcess(status,blocker));
Container comp = frame.getContentPane();
comp.add("North",start);
comp.add("Center",scroll);
comp.add("South",status);
frame.pack();
frame.show();
}
}
class LongProcess implements ActionListener, Runnable {
JLabel status;
BlockingWindow blocker;
public LongProcess(JLabel status, BlockingWindow blocker) {
this.blocker = blocker;
this.status = status;
}
public void actionPerformed(ActionEvent evt) {
blocker.block();
new Thread(this).start();
}
public void setText(final String text) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
status.setText(text);
}
});
}
public void run() {
for(int i=10; i>0; i--) {
// set the label
final String text = "("+i+") seconds left";
setText(text);
// sleep for 1 second
try {
Thread.currentThread().sleep(1000);
} catch (Exception ex) {
}
}
// set the final status string
setText("Process Complete");
blocker.unBlock();
}
}
/* Swing Hacks
* Tips and Tools for Killer GUIs
* By Joshua Marinacci, Chris Adamson
* First Edition June 2005
* Series: Hacks
* ISBN: 0-596-00907-0
* http://www.oreilly.com/catalog/swinghks/
*/
|
|
|
References.
The list of classes which were used on this page you can find below. The
links to Java API contain official SUN documentation about all used classes.
[ Go Back ]
|
|
RSS feed Java Forums
Open Source J2EE 1.4 gets Sun green light...