module Admin::PagesHelper

def parent_page_options(current_site, page)
  parent_pages = []
  parent_pages.concat(Page.parent_pages(current_site.homepage_id))
  parent_pages << page.parent if page.parent
  selected_page_id = page.parent_id
  options_for_select(parent_pages.map { |p| [p.title, p.id] }, selected_page_id)
end