Re: [Templates] Overriding the default iterator

> Guys,

Of course, there's always Template::Plugin::Cycle, designed for just 
your sort of situation... especially if you just want row backgrounds 
and such.

<tr class="[% row %]">

... returns different values each time, cycling around the values ( 
typically 2 of course, although it's flexible enough to use in a variety 
of other situations )

Adam K

Buddy Burden wrote:

> Guys,
> 
> Okay, so I find myself writing quite a lot of this:
> 
> [% FOREACH thing = buncha.things %]
>     [% IF loop.count % 2 == 1 %]
>         do the odd rows
>     [% ELSE %]
>         do the even rows
>     [% END %]
> [% END %]
> 
> which of course doesn't bother _me_ one whit, but it makes absolutely no 
> sense to Jen, my non-programming template designer.  So I'm thinking 
> that something like:
> 
> [% FOREACH thing = buncha.things %]
>     [% IF loop.odd %]
>         do the odd rows
>     [% ELSE %]
>         do the even rows
>     [% END %]
> [% END %]
> 
> would be very cool for her.  And it seems like it'd be trivial to 
> implement.
> 
> Now, in the badger book, in the section on Template::Iterator, I can see 
> how to create a class to do what I want.  Seems pretty basic.  What I'm 
> wondering is is there any (reasonably simple) way to install this 
> functionality so that I can get it for every loop?  I'd rather not have 
> to replace all my arrayrefs with functions that return a special 
> iterator; I think that'd negate the convenience to Jen with the 
> inconvenience to me.  So I _think_ what I want to do is override the 
> default iterator.  But I don't see how to do that.  (Or maybe I'm on the 
> wrong track altogether.)
> 
> Any thoughts?
> 
> 
>         -- Buddy
> 
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