Module: ActiveScaffold::Helpers::PaginationHelpers

Included in:
ViewHelpers
Defined in:
lib/active_scaffold/helpers/pagination_helpers.rb

Instance Method Summary collapse

Instance Method Details



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# File 'lib/active_scaffold/helpers/pagination_helpers.rb', line 4

def pagination_ajax_link(page_number, url_options, options)
  link_to page_number, url_options.merge(:page => page_number), options.merge(:class => 'as_paginate')
end

#pagination_ajax_links(current_page, url_options, options, inner_window, outer_window) ⇒ Object 



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# File 'lib/active_scaffold/helpers/pagination_helpers.rb', line 18

def pagination_ajax_links(current_page, url_options, options, inner_window, outer_window)
  start_number = current_page.number - inner_window
  end_number = current_page.number + inner_window
  start_number = 1 if start_number <= 0
  if current_page.pager.infinite?
    offsets = [20, 100]
  elsif end_number > current_page.pager.last.number
    end_number = current_page.pager.last.number
  end

  html = []
  if current_page.number == 1
    last_page = 0
  else
    last_page = 1
    last_page.upto([last_page + outer_window, current_page.number - 1].min) do |num|
      html << pagination_ajax_link(num, url_options, options)
      last_page = num
    end
  end
  if current_page.pager.infinite?
    offsets.reverse.each do |offset|
      page = current_page.number - offset
      next unless page < start_number && page > last_page

      html << '..' if page > last_page + 1
      html << pagination_ajax_link(page, url_options, options)
      last_page = page
    end
  end
  html << '..' if start_number > last_page + 1

  [start_number, last_page + 1].max.upto(end_number) do |num|
    html << if current_page.number == num
              content_tag(:span, num.to_s, :class => 'as_paginate current')
            else
              pagination_ajax_link(num, url_options, options)
            end
  end

  if current_page.pager.infinite?
    offsets.each do |offset|
      html << '..' << pagination_ajax_link(current_page.number + offset, url_options, options)
    end
  else
    html << '..' unless end_number >= current_page.pager.last.number - outer_window - 1
    [end_number + 1, current_page.pager.last.number - outer_window].max.upto(current_page.pager.last.number) do |num|
      html << pagination_ajax_link(num, url_options, options)
    end
  end
  safe_join html, ' '
end

#pagination_url_options(url_options = nil) ⇒ Object 



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# File 'lib/active_scaffold/helpers/pagination_helpers.rb', line 8

def pagination_url_options(url_options = nil)
  if url_options.nil?
    url_options = {action: @pagination_action || :index}
    # :id needed because rails reuse it even if it was deleted from params (like do_refresh_list does)
    url_options[:id] = nil if @remove_id_from_list_links
    url_options = params_for(url_options)
  end
  url_options
end