Rails - Jun 2008 - css class as parameter

hello,

I would like to know how could it be possible to set a css class as
parameter and a default one.

For instance class="active" will be located on the first, second
lines, depending on the action.

application.html.erb:

<li class="active"><a
href="#">Tasks</a></li>
<li><a href="#">Categories</a></li>
<li><a href="#">Calendar</a></li>
<li><a href="#">Eisenhower matrix</a></li>

Any help would be highly appreciated.

bye
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> For instance class="active" will be located on the first, second
> lines, depending on the action.
>
> application.html.erb:
>
> <li class="active">
things.each_with_index do |thing, index|

  <li <%= ''class="active"'' if index == 2 and
params[:action] == ''foo'' %>
 >Tasks</li>

That''s just the sketch of the behaviors - but you must clean it up. The
2
and the ''foo'' should appear in a table, preferably inside the
thing model.
Controllers should have the minimum possible logical statements, and View 
should have less.

<li class="<%= thing.get_class(index, params[:action]) %>"
>Tasks</li>




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Thanks for helping.

Does it mean that I need to create a get_class function in each model
(tasks, categories, calendar ...)?

Thanks for your help.



On 14 juin, 19:22, "Phlip"
<phlip2...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> > For instance class="active" will be located on the first,
second
> > lines, depending on the action.
>
> > application.html.erb:
>
> > <li class="active">
>
> things.each_with_index do |thing, index|
>
>   <li <%= ''class="active"'' if index == 2
and params[:action] == ''foo'' %>
>  >Tasks</li>
>
> That''s just the sketch of the behaviors - but you must clean it
up. The 2
> and the ''foo'' should appear in a table, preferably inside
the thing model.
> Controllers should have the minimum possible logical statements, and View
> should have less.
>
> <li class="<%= thing.get_class(index, params[:action])
%>" >Tasks</li>
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You could use a method call from a helper.

For your example:

in the application.html.erb
<li class="<%=get_class ''Tasks''
%>"><a href="#">Tasks</a></li>
<li class="<%=get_class ''Categories''
%>"><a href="#">Categories</a></
li>
<li class="<%=get_class ''Calendar''
%>"><a href="#">Calendar</a></li>
<li class="<%=get_class ''Eisenhower matrix''
%>"><a href="#">Eisenhower
matrix</a></li>

then in the application_helper.rb

def get_class(active_action)
  "active" if @active_action == active_action
end

then in your actions set the @active_action variable

for your default, you could set the @active_action in the
application.rb controller, then it will be overwritten if some action
specifically overrides the variable


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If you are trying to highlight the active tab a good way of doing it is 
by giving all the tabs an id as well as a body id for each of the pages 
that the tabs exist on.  Once you do this you have control of the active 
tab style.

ex.

<body id="tasks">
   <ul id="tabs">
      <li id="task_tab">...</li>
      <li id="categories_tab">...</li>
...

# css
  # the active tab
body#tasks li#task_tab, body#categories li#category_tab ... {
   ...
}
  # the inactive tabs
ul#tabs { ... }

-- 
Posted via http://www.ruby-forum.com/.

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