Iterate through the pages of a given paginator, invoking a block
for each page number that needs to be rendered as a link.
# File actionpack/lib/action_view/helpers/pagination_helper.rb, line 49
def pagination_links_each(paginator, options)
options = DEFAULT_OPTIONS.merge(options)
link_to_current_page = options[:link_to_current_page]
always_show_anchors = options[:always_show_anchors]
current_page = paginator.current_page
window_pages = current_page.window(options[:window_size]).pages
return if window_pages.length <= 1 unless link_to_current_page
first, last = paginator.first, paginator.last
html = ''
if always_show_anchors and not (wp_first = window_pages[0]).first?
html << yield(first.number)
html << ' ... ' if wp_first.number - first.number > 1
html << ' '
end
window_pages.each do |page|
if current_page == page && !link_to_current_page
html << page.number.to_s
else
html << yield(page.number)
end
html << ' '
end
if always_show_anchors and not (wp_last = window_pages[-1]).last?
html << ' ... ' if last.number - wp_last.number > 1
html << yield(last.number)
end
html
end