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Article View: borland.public.jbuilder.java.swing
Article #11663

Re: Communication between classes

#11663
From: Feldewert
Date: Fri, 16 Apr 1999 00:00
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Hi Bob,

did you try Listeners ? I managed the communication by using listener methods
in the classes. After that I was able to exchange data between them.

This may help.

   Felde

Bob Hunter schrieb:

> I cannot figure out how to set new text in an object (text component or
> label) created in a JFrame from a JDialog.  For example, to simplify things
> I have used the visual designer to create an application with a frame
> containing a JTextArea and a JButton, both declared with package scope.
> When the user clicks the button in the frame, a dialog (in the same package)
> is displayed which also has a JButton and JTextArea.  When the button in the
> dialog is clicked, I would like the dialog to disappear (which is does) and
> the text I can get from the textarea in the dialog (using the getText
> method) to appear in the textarea in the frame (using the setText method).
> I can get text from either textarea and place it in a database just fine
> but I cannot move text between the two objects.  I have tried simply calling
> frameTextArea.setText from the dialog and I have tried passing the text as a
> argument into a public method in the frame (and it makes it according to
> calls to System.out.println), but the text will not show up in the textarea
> in the frame.  What am I doing wrong?  I can set new text in a frame
> textarea obtained from selected nodes in a tree within the frame (using
> methods in the frame class) just fine, but the frame textarea acts "dead"
> from outside the frame class.  An example would be helpful.  Thanks.

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From: Feldewert <Felde@email.com>
Subject: Re: Communication between classes
Date: 1999/04/16
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