dash-docs/_plugins/catpage_for.rb
Saivann ec44853934 Add "Network status and alerts" page and RSS feed (fixes #170)
Generate alerts pages through alerts.rb plugin
Allow to keep short alias urls for each alert
Move alert pages in _alerts
Update sitemap plugin to include alerts
2013-06-18 23:50:37 -04:00

49 lines
1.4 KiB
Ruby

#catpage_for allows to loop in site.pages sorted by custom page
#variables and filtered by page.category.
#Example : {% catpage_for p in site.pages sort_by:date category:release %}
module Jekyll
module SortedForImpl
def render(context)
sorted_collection = collection_to_sort context
return if sorted_collection.empty?
sort_attr = @attributes['sort_by']
category_attr = @attributes['category']
#filter page by given category
s = []
for x in sorted_collection
if x.to_liquid.has_key?('category') && x.to_liquid['category'] == category_attr
s.push(x)
end
end
sorted_collection = s
#sort collection by given variable
sorted_collection = sorted_collection.sort_by { |i| i.to_liquid[sort_attr] }
#return modified array
original_name = @collection_name
result = nil
context.stack do
sorted_collection_name = "#{@collection_name}_sorted".sub('.', '_')
context[sorted_collection_name] = sorted_collection
@collection_name = sorted_collection_name
result = super
@collection_name = original_name
end
result
end
end
class SortedForTag < Liquid::For
include SortedForImpl
def collection_to_sort(context)
return context[@collection_name].dup
end
def end_tag
'endcatpage_for'
end
end
end
Liquid::Template.register_tag('catpage_for', Jekyll::SortedForTag)