obsolete.ChilliProject/app/helpers/wiki_helper.rb

#-- copyright
# ChiliProject is a project management system.
# 
# Copyright (C) 2010-2011 the ChiliProject Team
# 
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# See doc/COPYRIGHT.rdoc for more details.
#++

module WikiHelper
  
  def wiki_page_options_for_select(pages, selected = nil, parent = nil, level = 0)
    pages = pages.group_by(&:parent) unless pages.is_a?(Hash)
    s = ''
    if pages.has_key?(parent)
      pages[parent].each do |page|
        attrs = "value='#{page.id}'"
        attrs << " selected='selected'" if selected == page
        indent = (level > 0) ? ('&nbsp;' * level * 2 + '&#187; ') : nil
        
        s << "<option #{attrs}>#{indent}#{h page.pretty_title}</option>\n" + 
               wiki_page_options_for_select(pages, selected, page, level + 1)
      end
    end
    s
  end
end