Re: Scrollbar Problem

From:
bruce <bruceaj@bellsouth.net>
Newsgroups:
comp.lang.java.programmer
Date:
Tue, 21 Sep 2010 07:47:07 -0700 (PDT)
Message-ID:
<349f5fac-c370-48f7-94af-494bf465433a@k9g2000vbo.googlegroups.com>
On Sep 21, 10:25 am, Fred <fred.l.kleinschm...@boeing.com> wrote:

On Sep 20, 8:30 pm, bruce <bruc...@bellsouth.net> wrote:

I am trying to get Scrollbars to work. With the following code, a
horizontal bar appears and the slide works. But the data on the page
does not scroll.

        setLayout(new BorderLayout());

        JScrollBar hbar = new JScrollBar(
                JScrollBar.HORIZONTAL, 30, 20, 0, 300);
        hbar.setUnitIncrement(2);
        hbar.addAdjustmentListener(new MyAdjustmentListener());
        add(hbar, BorderLayout.SOUTH);

        class MyAdjustmentListener implements AdjustmentListene=

r {

               public void adjustmentValueChanged(Adjus=

tmentEvent e) {

            repaint();
        }

Thanks for the help....


You haven't hooked the scrollbar up to do anything.

You probably want to use a JScrollPane instead of a bare JScrollbar.
--
Fred K


Yah, I woke up this morning about 3am with that thought. The layout I
have is a base JFrame with 6 JPanels that contain input data, (text
boxes, text area, dropdown lists, etc.). So, I think I have to connect
to my base JFrame. Right???

I guess I have some other options. Since I'm new to this Java stuff,
I'm not sure which is correct.

1) Overlay my JFrame with a JPanel and then place the 6 JPanels on top
of this new base JPanel.

3) Drop the JFrame and make my base a JPanel, then place the 6 JPanels
on top of this new base JPanel.

3) Make no changes except to connect the JScrollBar to my base JFrame.

Which do you think I should use? Or do you have a better suggestion..

Thanks for the response...

Bruce

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