matenia

def simple_nested_set(clazz) # Post for example
  stack = [] # Post for example
  result = []
  clazz.all(:order => "lft").each do |node|
    if stack.empty?
      stack.push({:node => node, :children => []})
      result << stack.last
      next
    end
    if stack.last[:node].lft < node.lft && node.lft < stack.last[:node].rgt

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# Renders an ItemContainer as a <ul> element and its containing items as <li> elements.
# Prepared to use inside the topbar of Twitter Bootstrap http://twitter.github.com/bootstrap/#navigation
#
# Register the renderer and use following code in your view:
#   render_navigation(level: 1..2, renderer: :bootstrap_topbar_list, expand_all: true)
class BootstrapTopbarList < SimpleNavigation::Renderer::Base

  def render(item_container)
    if options[:is_subnavigation]
      ul_class = "dropdown-menu"

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  config.model PagePart do
    configure :content do
      ckeditor true
    end
  end 

matenia

div class="span12"
  table class="table table-hover"
    - @list.products.each_with_index do |product, index|
      - if !product.id.nil?
        tr
          td class="span1"
            = #TOP FORM
            = form_tag(votes_vote_up_path)
            = submit_tag "UP"
- if current_user