Yeah, I'd definitely implement this using an awesome helper.
def nice_bit
Proc.new do |data, block|
open(:ul) do
data.each do |item|
open(:li, (item.class == Array ? block.call(item, block) : item))
end
end
end
p.call([[1,2,3],[4,5,6],[7,8,9]], p)
end
Something like that?
(untested code!)
-hampton.
On 8/11/07, Nathan Weizenbaum <[EMAIL PROTECTED]> wrote:
>
> If you really need to manipulate tabulation, call the Haml #tab_up and
> #tab_down functions, which increase and decrease tabulation,
> respectively. That's not what I'd do in this case, though; I'd either
> define the recursive block as a helper using #open (a Haml helper),
> which should automatically indent correctly, or use #capture (a Rails
> helper) to make the return value of the block a string which will be
> automatically indented.
>
> - Nathan
>
> Bruce Perens wrote:
> > Hi,
> >
> > In building hierarchical HTML structures, it's most elegant to use
> > recursive blocks of haml. Here is a demo recursive haml script:
> >
> > %html
> > %body
> > - p = Proc.new do |data, block|
> > %ul
> > - data.each do |l|
> > %li
> > - if l.class == Array
> > - block.call(l, block)
> > - else
> > = l
> >
> > - p.call([[1,2,3],[4,5,6],[7,8,9]], p)
> >
> > This works, except for one little quibble: the HTML output isn't
> > indented properly. It renders just fine. What I'd like to know is:
> >
> > How do I fix the indentation?
> > Is this the most elegant way to write recursive blocks in haml?
> >
> > Thanks
> >
> > Bruce
> >
> >
> > >
> >
> >
>
>
> >
>
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