On 1 March 2011 08:44, Fabrice Fabrisss <[email protected]> wrote: > Hello, > > I'd like to have the main menu of my web application dynamically > generated from categories stored in a database. > > I created a partial for this menu: > (views/category/_list.html.erb) > > <ul> > <% @categories.each do |category| %> > <li><%= category.name %></li> > <% end %> > </ul> > > > And I call this partial in the main layout: > (layouts/application.html.erb): > > <%= render 'category/list' %> > > Unfortunately, the @categories variable is Nil because the category/list > controller is not called with this method. > > How can I simply achieve this ? Thank you,
In your application_controller put a before_filter that sets up @categories. This will then be setup for all controllers and actions. You might want to use a different name such as @categories_for_menu or something so that it does not clash with other uses of the variable @categories. Colin -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
