@@ -21,13 +21,15 @@ module CategoriesHelper # This displays a recursive, nested list of all of the elements in the tree def nested_set_list_for(categories) returning "" do |html| - html << "<ul>" - categories.each do |category| - html << "<li>#{category.name}" - html << nested_set_list_for(category.children) unless category.children.empty? - html << "</li>" + unless categories.empty? + html << "<ul>" + categories.each do |category| + html << "<li>#{category.name}" + html << nested_set_list_for(category.children) unless category.children.empty? + html << "</li>" + end + html << "</ul>" end - html << "</ul>" end end app/helpers/categories_helper.rb @@ -1,4 +1,4 @@ -dmodule SymetrieCom +module SymetrieCom module Acts #:nodoc: # This module provides some helpers for the model classes using acts_as_nested_set. vendor/plugins/betternestedset/lib/better_nested_set_helper.rb d0d4787d2b18fc802e3b8c334da4ff640b451fbe Jeff Dean jeff@zilkey.com http://github.com/zilkey/nested_set_demo/commit/0c901a1e07bf4f6f8548002c09a158c8b1da9259 0c901a1e07bf4f6f8548002c09a158c8b1da9259 2008-05-14T15:23:05-07:00 2008-05-14T15:23:05-07:00 helper method won't output empty <ul> tags 278049bdde983ee078ce298db6d70f0d5e960a0a Jeff Dean jeff@zilkey.com