35 lines
1.1 KiB
Ruby
35 lines
1.1 KiB
Ruby
require 'chunks/chunk'
|
|
|
|
# The category chunk looks for "category: news" on a line by
|
|
# itself and parses the terms after the ':' as categories.
|
|
# Other classes can search for Category chunks within
|
|
# rendered content to find out what categories this page
|
|
# should be in.
|
|
#
|
|
# Category lines can be hidden using ':category: news', for example
|
|
class Category < Chunk::Abstract
|
|
def self.pattern() return /^(:)?category\s*:(.*)$/i end
|
|
|
|
attr_reader :hidden, :list
|
|
|
|
def initialize(match_data)
|
|
super(match_data)
|
|
@hidden = match_data[1]
|
|
@list = match_data[2].split(',').map { |c| c.strip }
|
|
end
|
|
|
|
# If the chunk is hidden, erase the mask and return this chunk
|
|
# otherwise, surround it with a 'div' block.
|
|
def unmask(content)
|
|
return '' if hidden
|
|
|
|
category_urls = @list.map{|category| url(category) }.join(', ')
|
|
replacement = '<div class="property"> category: ' + category_urls + '</div>'
|
|
self if content.sub!(mask(content), replacement)
|
|
end
|
|
|
|
# TODO move presentation of page metadata to controller/view
|
|
def url(category)
|
|
%{<a class="category_link" href="../list/?category=#{category}">#{category}</a>}
|
|
end
|
|
end
|