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Contents
module Jekyll class Pager attr_reader :page, :per_page, :posts, :total_posts, :total_pages, :previous_page, :next_page def self.calculate_pages(all_posts, per_page) num_pages = all_posts.size / per_page.to_i num_pages.abs + 1 if all_posts.size % per_page.to_i != 0 num_pages end def self.pagination_enabled?(config, file) res = (file.to_s =~ /index.html/ && !config['paginate'].nil?) res end def initialize(config, page, all_posts, num_pages = nil) @page = page @per_page = config['paginate'].to_i @total_pages = num_pages || Pager.calculate_pages(all_posts, @per_page) 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 - 1 : nil @next_page = @page != @total_pages ? @page + 1 : nil end def to_hash { '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
Version data entries
1 entries across 1 versions & 1 rubygems
Version | Path |
---|---|
PerfectlyNormal-jekyll-0.5.3 | lib/jekyll/pager.rb |