Customized JTable can't find keyPressed() event

I'm writing a new table component that extends from JTable. One of the behaviors to be implemented is to prevent the up and down arrow keys from navigating to an adjacent cell. Problem is, when a cell is selected (and being edited), something is handling the keyPressed(KeyEvent e) method before the table. I tried adding a KeyListener() to the component, but that doesn't help. It never gets there either. I suspect it's down inside the editor component - perhaps at the document level? The table does get the keyReleased(KeyEvent e) method okay.
The selected cell does change, but it does not start editing. Subsequent key events (including keyPressed) are captured at the JTable level and consumed appropriately.
What I need is to capture the initial keyPressed(KeyEvent e) and consume it...but where is it getting handled?
Any help? Thanks...

When the editor is invoked it has the focus and recieves the key events.
Good Luck with this... I developed my own JTable extension to solve some of the common problems I have with it. It is a mess.
Beware; there are several bugs still in the JTable. Like you can't operate some JComboBox editors with the keyboard. Also, when in an text editor and focus moves off the JTable the contents are lost.
I also was interested in changing the default key navigation. I recall that this is not to hard but did not do it.

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