GUI Update for JDialog/JFileChooser

Question

Hello, Howdy, Greets, Yo and anything else I missed!
Lets see if I can explain this well...
I have a JDialog open in the background. One of the choices on the JDialog is to open the JFileChooser. Whenever I open the JFileChooser the JFileChooser opens in front of the JDialog (like it's supposed to). Therefore there is some overlap of the JFileChooser on top of the JDialog.
When exiting the JFileChooser (a directory is selected), The JFileChooser GUI partially closes. It closes everywhere but where it overlaps the JDialog. So, for a few seconds it has the GUI of the JFileChooser ONLY where it overlaps the JDialog on the screen. Then after some processing (doing what it does with the JFileChooser data), it finishes removing the JFileChooser GUI that overlaps the JDialog.
I want the JFileChooser to completely disappear at the same time. I've tried every variation I can think of, to no avail:
dialog.repaint();
dialog.validateTree();
dialog.validate();
jfc.hide();
jfc.updateUI();
jfc.revalidate();
jfc.repaint();
Here's an example:
int choice = jfc.showDialog(new JFrame(), "Select Directory");
// Tried everything here to hide/remove the jfc GUI
if (choice == JFileChooser.APPROVE_OPTION )
  // do what it does with the selected directory
}This happens on every look and feel, so that's probably not the problem. Any ideas?

Answer 1

Thanks for the advice on threads. I got it working by doing the following...
      int state = jfc.showDialog(new JFrame(), "Select Directory");
      if (state == JFileChooser.APPROVE_OPTION )
        defaultDir = jfc.getSelectedFile();
        Thread myThread=new Thread()
          public void run()
            // Do my other stuff here
        myThread.start();       
      }