Re: javax.swing.plaf.metal.MetalFileChooserUI: proposed ActionListener for fileTextField

[Lillian Angel]

On Tue, 2005-12-27 at 14:33 -0500, Chris Lansdown wrote:
> Hi,
> 
> The following is a class I've developed to be added as an ActionListener to
> the fileTextField component in a MetalFileChooserUI's ui for JFileChooser.
> It implements the same (or at least very similar, right now) behavior to
> Sun's file text field.
> 
> Please note: while I've sent my copyright assignment form in, I haven't
> heard back from Jonas yet (understandable; I sent it in on friday).
> 
> I'm hoping for comments, suggestions, etc.
> 
> The code:
> 
> 
>   private class FileTextFieldListener implements ActionListener 
>   {
>     public void actionPerformed(ActionEvent ev) 
>     {
>       try {
>       JFileChooser fc = getFileChooser();
>       int type = fc.getDialogType();
>       File f = new File(fileTextField.getText());
>       if(!f.isAbsolute()) 
>       {
>         f = new File(fc.getCurrentDirectory(), fileTextField.getText()) ;
>       }
>       f = f.getCanonicalFile();
>       if(type == JFileChooser.OPEN_DIALOG) 
>       {
>         if(f.isDirectory() && f.exists()) 
>         {
>           fc.setCurrentDirectory(f);
>           fc.rescanCurrentDirectory();
>           fileTextField.setText("");
>         } 
>         else if(f.isFile() && f.exists()) 
>         {
>           fc.setCurrentDirectory(f.getParentFile().getCanonicalFile());
>           fc.setSelectedFile(f);
>           fc.approveSelection();
>           closeDialog();
>         }
>         else
>         {
>           while(!f.exists())
>             f = f.getParentFile().getCanonicalFile();
>           fc.setCurrentDirectory(f);
>           fc.rescanCurrentDirectory();
>           fc.setSelectedFile(null);
>           fileTextField.setText("");
>         }
>       }
>       else
>       {
>         if(f.isDirectory())
>         {
>           fc.setCurrentDirectory(f);
>           fc.rescanCurrentDirectory();
>           fileTextField.setText("");
>         }
>         else
>         {
>           fc.setCurrentDirectory(f.getParentFile().getCanonicalFile());
>           fc.setSelectedFile(f);
>           fc.approveSelection();
>           closeDialog();
>         }
>       }
>       } 
>       catch(IOException ex) 
>       {
>       fileTextField.setText("");
>       }
>     }
>   }
>   
>   /**
>    * Closes the dialog.
>    */
>   void closeDialog()
>   {
>     Window owner = SwingUtilities.windowForComponent(getFileChooser());
>     if (owner instanceof JDialog)
>       ((JDialog) owner).dispose();
>   }
> 

This seems fine. Thanks for implementing it.

Lillian