Conditionally setting CSS style from ruby controller

Question

I\'m trying to dynamically change (if it got clicked) a normal table header (which is a link) to another defined CSS class \'th.hilite\'. This link simply sorts this column and

Answer 1

Be careful not to put logic (even conditionals) in your views if you can find a way around it. In order to avoid this common mistake, you need to make good use of the params and session hashes and set appropriate variables in controllers

# In your view
%th{:class => @title_header}= link_to 'Title', my_path(:sort => 'title'), :id => 'title_header'

# In your controller
sort = params[:sort] || session[:sort]
if sort == 'title'
  ordering = {:order => :title}
end