Java Filename Mask 1

[HighlandJinx]

Hi folks, this is a little annoyance that i can't seem to work out and the solution is probably really easy.

I have a "File Browser" in my current program that allows the user to search for the file they want to load, i want to be able to mask all file type and let the user only select *.txt files. Where in the code do i add the mask and how?

Thanks very much for any help you can give me.
J

 

[jfryer]

I can remember doing this once ages ago so I can't be of much help but I can point you in the right direction I hope.

Filters (filemask) have to be set up as a separate object, just like a cellRender is a separate object to the cell and table they act on. Dig around the Java doco and look for a Filter object or similar, that should help you somewhat.

Sorry I couldn't be more helpful. ----------------------------------------
There are no onions, only magic
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[HighlandJinx]

Thanks for the help, i'll see what i can dig up.

 

[MarsChelios]

Hi HighlandJinx,
Here's some info that might be of help. The AWT class

FileDialog

has a method that excepts a

FileNameFilter

object, however the API states there is no implementation of this for Windows. I've found the easiest way to get around this is to set the filename to something like '*.txt' before showing and that will initially limit the files shown, though the user can change this to see them all.
Swings

JFileFilter

class, however, has a system to use

FileFilters

. The

JFileFilter

API has more on how to do that, here's a link:

http://java.sun.com/j2se/1.4/docs/api/javax/swing/JFileChooser.html

A warning though, it's really slow if there's more than a few files to move through.

Hope this Helps,
MarsChelios