Re: display.set/getComponent()

• To: Mathias Stümpert <atzes@xxxxxx>
• Subject: Re: display.set/getComponent()
• From: Bill Hibbard <test@xxxxxxxxxxxxxxxxxx>
• Date: Thu, 31 Jan 2002 09:08:57 -0600 (CST)

Hi Mathias,

> If I have different displays which appear at different times at the same
> Panel in my app, what's the better way to to this with regard to
> performance and memory issues:
>
> 1) Panel.add(display[0].getComponent());
>    // Do some stuff
>    Panel.remove(display[0].getComponent());
>    Panel.add(display[1].getComponent());

This is the right way.

> 2) JPanel displayPanel = new JPanel();
>    Panel.add(displayPanel);
>    // Do some stuff
>    display[0].setComponent(displayPanel);
>    // Do some stuff
>    display[1].setComponent(displayPanel);

This is the wrong way.

> What exactly does the setComponent()?

This method probably shouldn't be public. Its just for
subclasses of DisplayImpl (i.e., DisplayImplJ3D and
DisplayImplJ2D) to "register" the Component they create.

Cheers,
Bill

• References:
  • display.set/getComponent()
    • From: Mathias Stümpert