Yariv Sadan wrote:
> There is no generic way of doing it because ErlyWeb doesn't pass any
> information down to subcomponents aside from the information that the
> parent component passes. You can explicitly pass a flag from the
> parent component to the subcomponent. Out of curiosity, why would you
> want to do it?
>
It doesn't really matter for what I'm playing with at the moment but it
occurred to me that I must have written some methods that assume being
encased in other components and don't know what the effect would be if
called directly, eg, have I checked the parameters for sane values or is
it open to being a path that a cracker could exploit. Alternatively, if
the method is being used as a sub-component (probably a better term than
embedded) I can skip some checks and lighten the load on the database.
Doing this could result in a 20% or more reduction in database queries.
This could lead to more readable code also as I wouldn't have to have on
method called embedded_show/2 and show/2, but as both methods are
exported both are open to the world. Perhaps, what's really needs is
something like,
-erlyweb_component([
new/1,
edit/2,
show/2
]).
-erlyweb_subcomponent([
embedded_edit/2,
embedded_show/2
]).
need better terms than component and subcomponent. How about,
export_world and export_app_only.
Jeff.
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