Well, it's harder than I thought without implementation changes or a plugin.
Here are the options I'm considering so far:
1) Change the way you call these components - i.e. instead of
<& /form/login.mc, form=>$login_form &>
do
<% $m->construct('/form/login.mc', form => $login_form)->render %>
Obviously this is ugly, would be better to be able to change it transparently
without changing each component call.
2) Change Mason::Request::comp (<& &>) so that instead of calling main()
directly, it calls a method call() which in turn calls main(). Then you can
override call() or use an around-modifier on it. e.g.
form/Base.mc:
---------------------
<%around call>
<form .....>
% $self-$orig(@_);
</form>
</%around>
This introduces an extra method for every component call that will almost never
be overriden. Maybe not a big deal in the grand scheme of things, but feels
hacky. Also introduces another reserved method name in Mason::Component.
Finally if you have multiple layers of these they will wrap in the reverse
direction you expect.
3) Add a plugin that does #2, so that the extra method call doesn't hit
everyone, just those that need it.
4) Create a way to apply roles to components. Then your Base.mc could use a
role that has an around modifier on main().
Thoughts welcome.
Jon
On Jan 6, 2012, at 3:21 PM, Jonathan Swartz wrote:
> Definitely possible, but I am working on the best syntax... :)
>
> Jon
>
> On Jan 6, 2012, at 1:55 AM, Roman Daniel wrote:
>
>> Is it possible to achieve the effect of wrapping child component content by
>> its parent with internal components?
>> For request component I could use
>>
>>
>> form/Base.mc:
>> --------------------
>> <%class>
>> has form => (is =>'ro', required =>1);
>> </%class>
>>
>> <%method wrap>
>> <form .....>
>> % inner();
>> </form>
>> </%method>
>>
>>
>> form/login.mc:
>> ---------------------
>> <% $.field(...) %>
>> <% $.field(...) %>
>>
>>
>> But when called from other component, method main is called directly and
>> wrap is skipped.
>>
>> <& /form/login.mc, form=>$login_form &>
>>
>>
>> I appreciate any tip
>>
>> Roman Daniel
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