Turns out this is a lot cleaner, and doesn't require explicit
collections of the set of options.
show_columns = active_scaffold_config.show.columns
invoice.filename? ? show_columns.add(:filename) :
show_columns.remove(:filename)
See: http://activescaffold.com/tutorials/per-request-configuration for more.
Wes
Wes Gamble wrote:
> All,
>
> I have two contexts in which I create an object whose controller is
> AS-enabled. In one context, there will be an attribute ("filename")
> that has a value and in the other, this attribute will not have a
> value. I want the "show" template to not show the "filename" attribute
> if it doesn't have a value.
>
> I considered moving the AS "show" template into my specific view folder
> and modifying it there, but wanted a way to do it via the configuration.
>
> What I ended up with was this:
>
> def show
> ....
> self.class.active_scaffold :invoices do |config|
> config.show.columns = invoice.filename? ? DEFAULT_COLUMNS :
> NON_FILENAME_COLUMNS
> end
> end
>
> in my "show" action. DEFAULT_COLUMNS and NON_FILENAME_COLUMNS differ
> only by the key :filename.
>
> This works fine. However, I did notice that when I do this within the
> "show" action, that it appears to completely redefine the configuration.
>
> So I have 2 questions:
>
> 1) Is there a way to "reopen" the controller wide AS config. and just
> override/change the parts I want to?
> 2) Is there a bettter way in general to do this that is less clunky?
>
> Thanks,
> Wes
>
>
>
>
>
> >
>
>
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