[Zope] Renderable Base Zclass

[Stephen Pitts]

On Thu, Jan 20, 2000 at 11:34:55AM +0100, Jeroen Baekelandt wrote:
> Hi,
> 
> I'm desperately trying to understand how to make the CaptionedImage as an
> example to use Renderable Base ZClass. I just can't get it to work, because
> I don't really know how to start (me-is-really-new-to-Zope).
> 
> So I add a product MyImage and add a ZClass to it. The ZClass subclasses
> Image and Renderable. I got that far. Could somebody explain how to
> continue? What i basically want is an ordinary Image (with the normal
> properties) + one extra: the caption, that gets rendered just below the
> image.

Add a method called render in your ZClass with something like:
<center>
<dtml-var tag><br>
<dtml-var caption></center>

The tag method is inherited from the Image class; it returns an
appropriate <IMG> tag for an Image and is used when an Image is
"rendered". 
-- 
Stephen Pitts
smpitts@midsouth.rr.com
webmaster - http://www.mschess.org