Contents

module Pagination
  def paginator_for page, entries_count, per_page, &to_link
    page.must_be >= 1
    return if page == 1 and entries_count < per_page

    opt = {
      current_page: page,
      pages: [], #(go_prev + [current] + go_next),
      to_link: to_link
    }

    opt[:prev] = to_link.call(t(:go_prev), page - 1) if page > 1
    opt[:next] = to_link.call(t(:go_next), page + 1)

    b.paginator opt
  end

  # PAGINATOR_HALF_SIZE = 3
  #
  # def paginator_for current, total_entries, per_page, &to_link
  #   return "" if total_entries <= per_page
  #   total = (total_entries / (1.0 * per_page)).ceil
  #
  #   from = current
  #   if current > 1
  #     from = current - PAGINATOR_HALF_SIZE
  #     if (right_size = total - current) < PAGINATOR_HALF_SIZE
  #       from -= (PAGINATOR_HALF_SIZE - right_size)
  #     end
  #     from = 1 if from < 0
  #   end
  #
  #   to = current
  #   if current < total_entries
  #     to = current + PAGINATOR_HALF_SIZE
  #     if (left_size = current - 1) < PAGINATOR_HALF_SIZE
  #       to += (PAGINATOR_HALF_SIZE - left_size)
  #     end
  #     to = total if to > total
  #   end
  #
  #   go_prev, go_next = [], []
  #   (from..to).each do |n|
  #     if n < current
  #       go_prev << to_link.call(n.to_s, n)
  #     elsif n > current
  #       go_next << to_link.call(n.to_s, n)
  #     end
  #   end
  #
  #   opt = {
  #     current_page: current,
  #     pages: (go_prev + [current] + go_next),
  #     to_link: to_link
  #   }
  #
  #   opt[:prev] = to_link.call(t(:go_prev), current - 1) if current > 1
  #   opt[:next] = to_link.call(t(:go_next), current + 1) if current < total
  #
  #   b.paginator opt
  # end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
rad_kit-0.0.10	app/helpers/kit/pagination.rb