module FaceboxRender
  
  def render_to_facebox( options = {} )
    options[:template] = "#{controller_name}/#{action_name}.html.erb" if options.empty? #default
    
    action_string = render_to_string(:action => options[:action], :layout => false) if options[:action]
    template_string = render_to_string(:template => options[:template], :layout => false) if options[:template]
    
    render :update do |page|
      page << "jQuery.facebox(#{action_string.to_json})" if options[:action]
      page << "jQuery.facebox(#{template_string.to_json})" if options[:template]
      page << "jQuery.facebox(#{(render :partial => options[:partial]).to_json})" if options[:partial]
      page << "jQuery.facebox(#{options[:html].to_json})" if options[:html]
      
      if options[:msg]
        page << "jQuery('#facebox .content').prepend('<div class=\"message\">#{options[:msg]}</div>')"
      end
          
      yield(page) if block_given?
      
    end
  end
  
  # close an existed facebox, you can pass a block to update some messages
  def close_facebox
    render :update do |page|
      page << "jQuery.facebox.close();"
      yield(page) if block_given?
    end
  end

  # redirect_to other_path (i.e. reload page)
  def redirect_from_facebox(url)
    render :update do |page|
      page.redirect_to url
    end
  end
  
end