Re: Adding FileFilters to JFileChooser

From:
Mark Space <markspace@sbc.global.net>
Newsgroups:
comp.lang.java.programmer
Date:
Tue, 24 Mar 2009 09:21:04 -0700
Message-ID:
<%L7yl.22859$Ws1.7757@nlpi064.nbdc.sbc.com>
Jason Cavett wrote:

the proper filter (like Mark suggested), it's just added to the bottom
of the list. So, I get something like this in my filters list:

File Filter 1
File Filter 2
File Filter 3
File Filter 1 <- SELECTED

It really doesn't make sense.


I can't tell what you are doing with out an SSCCE, but that's not what I
get. This code does what you described you wanted in your OP. I did
notice that none of these methods are marked as thread-safe when I wrote
out this example, so I called them from the EDT. Perhaps that could be
the issue?

package fubar;

import javax.swing.JFileChooser;
import javax.swing.filechooser.FileNameExtensionFilter;

public class JOpenFilter
{
     public static void main( String... args )
     {
         javax.swing.SwingUtilities.invokeLater( new Runnable() {
             @Override
             public void run()
             {
                 createAndShowGui();
             }
         } );
     }

     private static void createAndShowGui() {
         //Create a file chooser
         final JFileChooser fc = new JFileChooser();
         FileNameExtensionFilter f;
         fc.addChoosableFileFilter( f = new FileNameExtensionFilter(
                 "Fu 1", "ff1", "ffx" ) );
         fc.addChoosableFileFilter( new FileNameExtensionFilter(
                 "Fu 2", "ff2" ) );
         fc.addChoosableFileFilter( new FileNameExtensionFilter(
                 "Fu 3", "ff3" ) );
         fc.setFileFilter( f );
         int returnVal = fc.showOpenDialog( null );
         System.out.println( "returned value = " + returnVal );
     }
}

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