I also wish component subclassing was at least an option. What I don't like
about copying and pasting from a Tapestry component is that I end up relying
on some internal packages and classes. That makes me feel dirty.

Benny


On Thu, May 13, 2010 at 7:47 AM, Andreas Bohnert <a...@weberhofer.at> wrote:

> I agree.
> I'm upgrading a big project from tapestry 3 to 5.
> As I looked into the documentation and sources of tapestry 5 I thought:
> wow, this is really great. it could not be any better!
>
> But if components are no meant to be subclassed this seems like a drawback
> for me. You have to copy and adjust the code which does not fit into the
> tapestry world (DRY principle)
> If you use embedded components to extend a component you need an additional
> (more or less useless) template file and you come in trouble if you use this
> component multiple times in a page (because of the embedded components id
> binding)
>
> Anyway, even if there is way to get around these problems with embedded
> components I described, it would feel more natural for me if I just could
> subclass a component.
>
> Andreas
>
>
>
> I ended up copying
>
>
> Nicolas Bouillon wrote:
>
>> Le 11/05/2010 21:34, Thiago H. de Paula Figueiredo a écrit :
>>
>>> 1.) Extend MySelect from Select
>>>> I found no way to assign my model to the selects privat model. There is
>>>> a setModel in Select but it seems to be there only for unit tests.
>>>>
>>>
>>> Tapestry components weren't meant to be subclassed.
>>>
>> By the way, why that ?
>>
>> It's one thing I felt difficult, for example to change the way the
>> GridPager is displayed (to display the number of pages, number of items), we
>> had to do a big copy paste of the Grid component and the related components,
>> instead of subclassing it.
>>
>>
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