This is the kind of think that Block's are great at; you can have a
parameter of type Block on your reusable component, and use
<t:delegate to="theBlockProperty"/> in your template to include the
Block's content at a specific point inside your component's template.
It all just fits together at runtime.

On Fri, Mar 19, 2010 at 2:58 PM, Liliana Liu <l...@novodiagroup.com> wrote:
> Hello,
>
> I am relatively new to Tapestry, am using 5.1.0.5 on a project, and hoping
> someone can help point me in the right
> direction.  To reuse functionality for user signup to a web site, I have
> coded a custom component that contains a form that has the common fields and
> common processing including onPrepare(), onValidateForm(), and onSuccess().
>  This component
> has been used successfully in other pages but now I have a page that needs
> to add one textfield to the form to gather
> one domain specific data in order to perform its user signup.
>
> The intent is to handle this domain specific field and it's processing in
> the page only and rely on the component for all
> common processing.  I have thought of a couple of options neither of which I
> have gotten to work.
>
> 1. Somehow inject the field into the form.  It looks like I can inject the
> form object that's in the component into my page.
>    However I don't see a method on the form object to programmatically add a
> TextField component to the form
> 2. Remove the form declaration and the submit button from the component and
> put it in the page instead.  Then pass
>     the form object as a parameter to the component.  But doing this breaks
> the component, its onPrepare()
>     is no longer called presumably because there is no form declared in the
> component.
>
> Any pointers would be appreciated.  Thanks.
>
> Liliana Liu
> l...@novodiagroup.com
>
>



-- 
Howard M. Lewis Ship

Creator of Apache Tapestry

The source for Tapestry training, mentoring and support. Contact me to
learn how I can get you up and productive in Tapestry fast!

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http://howardlewisship.com

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