Re: Help creating a JTextField that implements DocumentListener

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#9421

From: John P. McGrath
Date: Wed, 15 Mar 2000 00:00

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On Tue, 14 Mar 2000 11:44:06 -0500, Jeff Marendo wrote:

> So far, I've made a class that extends JTextField and
> implements DocumentListener.  I have print out statements
> within the changedUpdate, insertUpdate and removeUpdate
> methods.  My constructors are: super( ), and super(text).
> I can use this class as is, but of course nothing happens,
> so I know I'm missing something but I don't know what it
> is.  Any guesses at what I might be missing will be 
> appreciated.  

Did you register your listener with the JTextField's Document?
For example:

    getDocument().addDocumentListener( listener );

-- 
John P. McGrath
<JPMcGrath@fast.net>
<jpm@nscs.fast.net>

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From: John P. McGrath <JPMcGrath@fast.net>
Subject: Re: Help creating a JTextField that implements DocumentListener
Date: 2000/03/15
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