aboutsummaryrefslogtreecommitdiff
path: root/plugins/pagination.rb
diff options
context:
space:
mode:
authorBrandon Mathis <brandon@imathis.com>2014-06-21 13:55:43 -0500
committerBrandon Mathis <brandon@imathis.com>2014-06-21 13:55:43 -0500
commit72ea6042e33f0b92e4923c3af00e923f19472573 (patch)
tree9d2fb6c30bc8463a8553f4c1962d9b3295e96559 /plugins/pagination.rb
parent695fe922a9c25d3f41fddccf9d2e4ba2fc02ef52 (diff)
parent06c04397053e46fe02fcecce589a2de76d21e160 (diff)
downloadmy_new_personal_website-72ea6042e33f0b92e4923c3af00e923f19472573.tar.xz
my_new_personal_website-72ea6042e33f0b92e4923c3af00e923f19472573.zip
Merge pull request #1589 from imathis/jekyll-2
Jekyll 2.0 compatability
Diffstat (limited to 'plugins/pagination.rb')
-rw-r--r--plugins/pagination.rb121
1 files changed, 0 insertions, 121 deletions
diff --git a/plugins/pagination.rb b/plugins/pagination.rb
deleted file mode 100644
index a318754e..00000000
--- a/plugins/pagination.rb
+++ /dev/null
@@ -1,121 +0,0 @@
-module Jekyll
-
- 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" => <Number>,
- # "per_page" => <Number>,
- # "posts" => [<Post>],
- # "total_posts" => <Number>,
- # "total_pages" => <Number>,
- # "previous_page" => <Number>,
- # "next_page" => <Number> }}
- 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
- end
- end
- end
- end
-
- class Pager
- attr_reader :page, :per_page, :posts, :total_posts, :total_pages, :previous_page, :next_page
-
- # Calculate the number of pages.
- #
- # all_posts - The Array of all Posts.
- # per_page - The Integer of entries per page.
- #
- # Returns the Integer number of pages.
- def self.calculate_pages(all_posts, per_page)
- (all_posts.size.to_f / per_page.to_i).ceil
- end
-
- # Determine if pagination is enabled for a given file.
- #
- # config - The configuration Hash.
- # file - The String filename of the file.
- #
- # Returns true if pagination is enabled, false otherwise.
- def self.pagination_enabled?(config, file)
- file.name == 'index.html' && !config['paginate'].nil? && file.content =~ /paginator\./
- end
-
- # Initialize a new Pager.
- #
- # config - The Hash configuration of the site.
- # page - The Integer page number.
- # 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)
- @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}"
- end
-
- init = (@page - 1) * @per_page
- offset = (init + @per_page - 1) >= all_posts.size ? all_posts.size : (init + @per_page - 1)
-
- @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
- end
-
- # Convert this Pager's data to a Hash suitable for use by Liquid.
- #
- # Returns the Hash representation of this Pager.
- def to_liquid
- {
- 'page' => page,
- 'per_page' => per_page,
- 'posts' => posts,
- 'total_posts' => total_posts,
- 'total_pages' => total_pages,
- 'previous_page' => previous_page,
- 'next_page' => next_page
- }
- end
- end
-
-end
-