diff --git a/plugins/pagination.rb b/plugins/pagination.rb index c3ee2b1..70d63c8 100644 --- a/plugins/pagination.rb +++ b/plugins/pagination.rb @@ -1,52 +1,55 @@ module Jekyll + module Generators + class Pagination < Generator + # This generator is safe from arbitrary code execution. + safe true - class Pagination < Generator - # This generator is safe from arbitrary code execution. - safe true - - # Generate paginated pages if necessary. - # - # site - The Site. - # - # Returns nothing. - def generate(site) - site.pages.dup.each do |page| - paginate(site, page) if Pager.pagination_enabled?(site.config, page) - end - end - - # Paginates the blog's posts. Renders the index.html file into paginated - # directories, e.g.: page2/index.html, page3/index.html, etc and adds more - # site-wide data. - # - # site - The Site. - # page - The index.html Page that requires pagination. - # - # {"paginator" => { "page" => , - # "per_page" => , - # "posts" => [], - # "total_posts" => , - # "total_pages" => , - # "previous_page" => , - # "next_page" => }} - def paginate(site, page) - all_posts = site.site_payload['site']['posts'] - pages = Pager.calculate_pages(all_posts, site.config['paginate'].to_i) - page_dir = page.destination('').sub(/\/[^\/]+$/, '') - page_dir_config = site.config['pagination_dir'] - dir = ((page_dir_config || page_dir) + '/').sub(/^\/+/, '') - - (1..pages).each do |num_page| - pager = Pager.new(site.config, num_page, all_posts, page_dir+'/', '/'+dir, pages) - if num_page > 1 - newpage = Page.new(site, site.source, page_dir, page.name) - newpage.pager = pager - newpage.dir = File.join(page.dir, "#{dir}page/#{num_page}") - site.pages << newpage - else - page.pager = pager + # Generate paginated pages if necessary. + # + # site - The Site. + # + # Returns nothing. + def generate(site) + site.pages.dup.each do |page| + paginate(site, page) if Pager.pagination_enabled?(site.config, page.name) end end + + # Paginates the blog's posts. Renders the index.html file into paginated + # directories, e.g.: page2/index.html, page3/index.html, etc and adds more + # site-wide data. + # + # site - The Site. + # page - The index.html Page that requires pagination. + # + # {"paginator" => { "page" => , + # "per_page" => , + # "posts" => [], + # "total_posts" => , + # "total_pages" => , + # "previous_page" => , + # "next_page" => }} + def paginate(site, page) + all_posts = site.site_payload['site']['posts'] + pages = Pager.calculate_pages(all_posts, site.config['paginate'].to_i) + (1..pages).each do |num_page| + pager = Pager.new(site.config, num_page, all_posts, pages) + if num_page > 1 + newpage = Page.new(site, site.source, page.dir, page.name) + newpage.pager = pager + newpage.dir = File.join(page.dir, paginate_path(site, num_page)) + site.pages << newpage + else + page.pager = pager + end + end + end + + private + def paginate_path(site, num_page) + format = site.config['paginate_path'] + format.sub(':num', num_page.to_s) + end end end @@ -70,7 +73,7 @@ module Jekyll # # Returns true if pagination is enabled, false otherwise. def self.pagination_enabled?(config, file) - file.name == 'index.html' && !config['paginate'].nil? && file.content =~ /paginator\./ + file == 'index.html' && !config['paginate'].nil? end # Initialize a new Pager. @@ -80,12 +83,10 @@ module Jekyll # all_posts - The Array of all the site's Posts. # num_pages - The Integer number of pages or nil if you'd like the number # of pages calculated. - def initialize(config, page, all_posts, index_dir, pagination_dir, num_pages = nil) + def initialize(config, page, all_posts, num_pages = nil) @page = page @per_page = config['paginate'].to_i - @page_dir = pagination_dir + 'page/' @total_pages = num_pages || Pager.calculate_pages(all_posts, @per_page) - @previous_page = nil if @page > @total_pages raise RuntimeError, "page number can't be greater than total pages: #{@page} > #{@total_pages}" @@ -96,9 +97,8 @@ module Jekyll @total_posts = all_posts.size @posts = all_posts[init..offset] - @previous_page = @page != 1 ? @page_dir + (@page - 1).to_s + '/' : nil - @previous_page = index_dir if @page - 1 == 1 - @next_page = @page != @total_pages ? @page_dir + (@page + 1).to_s + '/' : nil + @previous_page = @page != 1 ? @page - 1 : nil + @next_page = @page != @total_pages ? @page + 1 : nil end # Convert this Pager's data to a Hash suitable for use by Liquid. @@ -116,5 +116,4 @@ module Jekyll } end end - end