[Zope3-dev] Re: 'layer' vs. 'type'

[Philipp von Weitershausen]

Gustavo Niemeyer wrote:
> Hello everyone,
> 
> I was just implementing a ZCML statement for a view-related
> component which should also take in consideration request
> interfaces for adaptation.
> 
> After reading the "SimplifySkinning" proposal form Philipp, I'm
> somewhat unsure about how to define the request type in the ZCML
> directive in a way similar to what developers would expect in
> standard directives.
> 
> I've seen in the code base and also in Philipp's proposal that the
> renaming of 'layer' to 'type' isn't complete yet, so I'd like to
> ask: does it really make sense?
> 
> Consider something like the following:
> 
>   <browser:something type=".ISomeInterface" />
> 
> I read this as "the type of something is ISomeInterface" rather
> than "something is used with ISomeInterface requests".
> 
> Let's take a more concrete example: IMenuItemsDirective. It's one of
> the many directives with a 'layer' field.  If renamed to 'type',
> wouldn't that clash with the concept of MenuItemTypes?
> 
> With this in mind I propose to either keep this argument as 'layer',
> or use a term that better represent the relation with request types,
> answering the question "type of what?".
> 
> What do you think?

I wasn't sure about the layer to type renaming myself. Plus, it would've 
been one of those "janitorial changes" that just weren't worth it. 
That's why I didn't do it.

Philipp