Re: JFrame disaperes after creation.

From:
Andrew Thompson <andrewthommo@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Fri, 15 May 2009 19:11:36 -0700 (PDT)
Message-ID:
<5abe48ce-802b-4189-a4e8-9e3c07afae01@g31g2000pra.googlegroups.com>
On May 16, 10:59 am, iMo...@live.se wrote:

You got some great responses already, but I just
thought I would comment on something else I noticed..

Hello guys. what am I doing wrong here ?? Im trying to create a
JFrame from a controler class with

 View v = new view(this);


If this 'View' class is effectively 'just another
frame' of a multi-frame application, then..

        setDefaultCloseOperation(EXIT_ON_CLOSE);


...is not the correct close action. The effect of
closing a View will be to end the application!

Try using DISPOSE_ON_CLOSE for the frames that are
'children', or perhaps the View is better suited to
being in a JDialog, or JOptionPane.

I am always a little suspect of 'multi-frame
applications' since I cannot recall seeing a
program that worked that way, that was not
better suited to some other form of presentation.
Such as..
- parent with JDialog, JOptionPanes or JWindows
for children.
- JDesktopPane with JInternalFrames
- CardLayout or JTabbedPane
- ...

--
Andrew T.
pscode.org

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