Module: AwesomeNestedSet::Tools::Helper

Defined in:
lib/awesome_nested_set/tools/helper.rb

Instance Method Summary collapse

Instance Method Details

#nested_li(objects, options = {}, &block) ⇒ Object 



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# File 'lib/awesome_nested_set/tools/helper.rb', line 4

def nested_li(objects, options = {}, &block)
  options.reverse_merge! :tree_css_class => 'tree'
  
  objects = objects.order(:lft) if objects.is_a? Class

  return '' if objects.size == 0

  if objects.first.root?
    output = "<ul class=\"#{options[:tree_css_class]}\"><li>"
  else
    output = ''
  end  
  path = [nil]

  objects.each_with_index do |o, i|
    if o.parent_id != path.last
      # We are on a new level, did we decend or ascend?
      if path.include?(o.parent_id)
        # Remove wrong wrong tailing paths elements
        while path.last != o.parent_id
          path.pop
          output << '</li></ul>'
        end
        output << '</li><li>'
      else
        path << o.parent_id
        if i == 0 && !objects.first.root?
          output << "<ul class=\"#{options[:tree_css_class]}\"><li>"          
        else
          output << '<ul><li>'          
        end
      end
    elsif i != 0
      output << '</li><li>'
    end
    output << capture(o, path.size - 1, &block)
  end
  
  if objects.first.root?
    output << '</li></ul>' * path.length
  else
    output << '</li></ul>' * (path.length - 1)
  end  
  output.html_safe
end

#sorted_nested_li(objects, order, &block) ⇒ Object 



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# File 'lib/awesome_nested_set/tools/helper.rb', line 50

def sorted_nested_li(objects, order, &block)
  nested_li sort_list(objects, order), &block
end