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Moves pagination helpers back out of application_helper and into pagi…
…nation_helper.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| module PaginationHelper | ||
| # Wrap a block in pagination links. Includes letters if appropriate. | ||
| # | ||
| # <%= paginate_block(@pages) do %> | ||
| # <% for object in @objects %> | ||
| # <% object_link(object) %><br/> | ||
| # <% end %> | ||
| # <% end %> | ||
| # | ||
| def paginate_block(pages, args={}, &block) ##TODO: Depreciate / REMOVE | ||
| letters = pagination_letters(pages, args) | ||
| numbers = pagination_numbers(pages, args) | ||
| body = capture(&block).to_s | ||
| content_tag(:div, class: 'results') do | ||
| letters + numbers + body + numbers + letters | ||
| end | ||
| end | ||
|
|
||
| # Insert letter pagination links. | ||
| # | ||
| # # In controller: | ||
| # def action | ||
| # query = create_query(:Name) | ||
| # @pages = paginate_letters(:letter, :page, 50) | ||
| # @names = query.paginate(@pages, letter_field: 'names.sort_name') | ||
| # end | ||
| # | ||
| # # In view: | ||
| # <%= pagination_letters(@pages) %> | ||
| # <%= pagination_numbers(@pages) %> | ||
| # | ||
| def pagination_letters(pages, args={}) | ||
| if pages and | ||
| pages.letter_arg and | ||
| (pages.letter || pages.num_total > pages.num_per_page) and | ||
| (!pages.used_letters or pages.used_letters.length > 1) | ||
| args = args.dup | ||
| args[:params] = (args[:params] || {}).dup | ||
| args[:params][pages.number_arg] = nil | ||
| str = %w(A B C D E F G H I J K L M N O P Q R S T U V W X Y Z).map do |letter| | ||
| if !pages.used_letters || pages.used_letters.include?(letter) | ||
| pagination_link(letter, letter, pages.letter_arg, args) | ||
| else | ||
| content_tag(:li, content_tag(:span, letter), class: "disabled") | ||
| end | ||
| end.safe_join(' ') | ||
| return content_tag(:div, str, class: "pagination pagination-sm") | ||
| else | ||
| return safe_empty | ||
| end | ||
| end | ||
|
|
||
| # Insert numbered pagination links. I've thrown out the Rails plugin | ||
| # pagination_letters because it is no longer giving us enough to be worth it. | ||
| # (See also pagination_letters above.) | ||
| # | ||
| # # In controller: | ||
| # def action | ||
| # query = create_query(:Name) | ||
| # @pages = paginate_numbers(:page, 50) | ||
| # @names = query.paginate(@pages) | ||
| # end | ||
| # | ||
| # # In view: (it is wrapped in 'pagination' div already) | ||
| # <%= pagination_numbers(@pages) %> | ||
| # | ||
| def pagination_numbers(pages, args={}) | ||
| result = safe_empty | ||
| if pages && pages.num_pages > 1 | ||
| params = args[:params] ||= {} | ||
| if pages.letter_arg && pages.letter | ||
| params[pages.letter_arg] = pages.letter | ||
| end | ||
|
|
||
| num = pages.num_pages | ||
| arg = pages.number_arg | ||
| this = pages.number | ||
| this = 1 if this < 1 | ||
| this = num if this > num | ||
| size = args[:window_size] || 5 | ||
| from = this - size | ||
| to = this + size | ||
|
|
||
| result = [] | ||
| pstr = "« #{:PREV.t}" | ||
| nstr = "#{:NEXT.t} »" | ||
| result << pagination_link(pstr, this-1, arg, args) if this > 1 | ||
| result << pagination_link(1, 1, arg, args) if from > 1 | ||
| result << result << content_tag(:li, content_tag(:span, "..."), class: "disabled") if from > 2 | ||
| for n in from..to | ||
| if n == this | ||
| result << content_tag(:li, content_tag(:span, n), class: "active") | ||
| elsif n > 0 && n <= num | ||
| result << pagination_link(n, n, arg, args) | ||
| end | ||
| end | ||
| result << content_tag(:li, content_tag(:span, "..."), class: "disabled") if to < num - 1 | ||
| result << pagination_link(num, num, arg, args) if to < num | ||
| result << pagination_link(nstr, this+1, arg, args) if this < num | ||
|
|
||
| result = content_tag(:ul, result.safe_join(' '), class: "pagination pagination-sm") | ||
| end | ||
| result | ||
| end | ||
|
|
||
| # Render a single pagination link for paginate_numbers above. | ||
| def pagination_link(label, page, arg, args) | ||
| params = args[:params] || {} | ||
| params[arg] = page | ||
| url = reload_with_args(params) | ||
| if args[:anchor] | ||
| url.sub!(/#.*/, '') | ||
| url += '#' + args[:anchor] | ||
| end | ||
| "<li>#{link_to(label, url)}</li>".html_safe | ||
| end | ||
| end |