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 8

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]
  else
    end_number = current_page.pager.last.number if end_number > current_page.pager.last.number
  end

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

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