Forum: Ruby on Rails Modules / blocks on a page

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LeonB (Guest)
on 2007-03-19 00:00
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Hi, what's the best way to display "modules" in a webpage?
I want to add these little blocks on different pages like a random
image block for example.

For example the modules on the right on this page:

What's the best way to do this? I heared something about partials/
on 2007-03-19 00:04
(Received via mailing list)
The Hobo plugin has a feature for specifying layout via blocks which
are shareable across an application, and lots of other Rails-enhancing

Check it out at:

It's really powerful and flexible.

LeonB (Guest)
on 2007-03-19 00:59
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Thanks. But I'm just beginning with Rails and I'm now making an ultra-
simple application so I would like to do it myself. I feel that way I
will understand rails better. So I'm looking for a way I can implement
that functionality in a simple, standard-rails way.

On Mar 18, 11:03 pm, "removed_email_address@domain.invalid" 
LeonB (Guest)
on 2007-03-19 23:40
(Received via mailing list)
Anyone else?
Chris T (Guest)
on 2007-03-20 21:41
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LeonB wrote:
>> wrote:
>>> It's really powerful and flexible.
>>>> What's the best way to do this? I heared something about partials/
>>>> components?
> >
The easy way is to use instance variables to hold the data, perhaps set
up using filters in the application controller -- @menus, @sidebars,
etc, and then rendering using a partial if they have been set: render
:partial => 'sidebar' if @sidebar, for example. It can get more
sophisticated than this, with a custom class for each type of furniture
(one for menus, one for sidebars, etc), but hopefully this helps a
little to start with.
LeonB (Guest)
on 2007-03-21 00:58
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Thanks. If I use a partial in my main layout and use an if in the
partial. Like:
   if (:controller == 'dashboard')
(or something like that)
would that be considered a hack? Is there a nicer way?
Chris T (Guest)
on 2007-03-21 01:49
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No, but there may be a better way of doing it, depending on what you're
going to be showing. If the furniture (for want of a better word) is
substantially different on the dashboard controller, you may be better
off with separate layout for that controller. Or if the partials are
dependent on dynamic data, then set that data up in the method called by
the filter (in my application controller I have before_filter
:setup_layout_furniture), and do the testing againt the controller in
the method called. The idea is to keep the views (and layouts) as clean,
readable, and DRY as poss.
LeonB (Guest)
on 2007-03-22 22:08
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Is it possible to do a :before_filter that places it's data in a
specific div created in my main layout?
Chris T (Guest)
on 2007-03-23 14:15
(Received via mailing list)
The before_filter just calls the method (which may call other methods),
which sets up instance variables (which hold the data). So I have:
<div id="menu_block">
    <%= render :partial => "menu", :collection => @menus %>

In my case @menus is a collection of Menu instances, but you could
easily have it as an array of links, strings, or whatever. Hope this
makes sense,
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