🚀 go-pugleaf

I make that mistake all the time. When adding something to a JScrollPane,
you
need to call  getViewport().add().

Jeff Marendo <marendoj@commos.com> wrote in message news:38fcd824@dnews...
> Hello,
>
> I'm making an applet that has a JTabbedPane with two tabs. Each tab has a
> JPanel associated with it that uses a BorderLayout and contains a
> JScrollPane in the center location. I have two other JPanels (one for each
> tab) that each have their layouts set to 'null'. These panels have several
> components on them and vary in size (they're named SmallDummyPanel and
> LargeDummyPanel).
>
> Generally, this is what I'm doing: 1. add a panel (e.g. LargeDummyPanel
> instance) to a JScrollPane instance. 2. add that scroll panel to one of
the
> panels that has a border layout. 3. create a tab by adding that panel to
the
> JTabbedPane instance. 4. add that instance to 'this', which is the applet.
>
> The problem is, I'm not seeing the actual vertical and horizontal
scrollbars
> appear for the panel that contains my LargeDummyPanel instance. When I use
> the JScrollPane constants for always showing them, only the corners appear
> with no bars between them. My code is below if anyone can give me some
help.
> Thanks in advance.
>
>
> public class TabbedApplet extends JApplet
>
>   JTabbedPane tabPane = new JTabbedPane()
>
>     public void paint(Graphics g)
>
>       super.paint(g);
>       getParent().validate();
>     }
>   };
>   JPanel p1 = new JPanel();
>   JPanel p2 = new JPanel();
>   SmallDummyPanel sdp = new SmallDummyPanel();
>   LargeDummyPanel ldp = new LargeDummyPanel();
>   JScrollPane scroll1 = new JScrollPane();
>   JScrollPane scroll2 = new JScrollPane
> JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
> JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
>   BorderLayout borderLayout1 = new BorderLayout();
>   BorderLayout borderLayout2 = new BorderLayout();
> ...
> private void jbInit() throws Exception
>
>     this.setSize(new Dimension(500,400));
>     p1.setLayout(borderLayout1);
>     scroll1.add(sdp);
>     p1.add(scroll1, BorderLayout.CENTER);
>     tabPane.addTab("Tab 1", p1);
>     p2.setLayout(borderLayout2);
>     scroll2.add(ldp);
>     p2.add(scroll2, BorderLayout.CENTER);
>     tabPane.addTab("Tab 2", p2);
>     this.getContentPane().add(tabPane, BorderLayout.CENTER);
>   }
>
> The other panel sizes are: LargeDummyPanel - (600,400); SmallDummyPanel -
> (400,300). The size, min size and preferred size are all being set with
> those same values, respectively.  Also, the size of the frame the applet
> sits in is (500, 420).
>
> jeff
>
>
>