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rails--rails/actiontext/lib/action_text/attachment_gallery.rb
2019-07-29 14:23:10 +09:00

65 lines
1.6 KiB
Ruby

# frozen_string_literal: true
module ActionText
class AttachmentGallery
include ActiveModel::Model
class << self
def fragment_by_canonicalizing_attachment_galleries(content)
fragment_by_replacing_attachment_gallery_nodes(content) do |node|
"<#{TAG_NAME}>#{node.inner_html}</#{TAG_NAME}>"
end
end
def fragment_by_replacing_attachment_gallery_nodes(content)
Fragment.wrap(content).update do |source|
find_attachment_gallery_nodes(source).each do |node|
node.replace(yield(node).to_s)
end
end
end
def find_attachment_gallery_nodes(content)
Fragment.wrap(content).find_all(SELECTOR).select do |node|
node.children.all? do |child|
if child.text?
/\A(\n|\ )*\z/.match?(child.text)
else
child.matches? ATTACHMENT_SELECTOR
end
end
end
end
def from_node(node)
new(node)
end
end
attr_reader :node
def initialize(node)
@node = node
end
def attachments
@attachments ||= node.css(ATTACHMENT_SELECTOR).map do |node|
ActionText::Attachment.from_node(node).with_full_attributes
end
end
def size
attachments.size
end
def inspect
"#<#{self.class.name} size=#{size.inspect}>"
end
TAG_NAME = "div"
ATTACHMENT_SELECTOR = "#{ActionText::Attachment::SELECTOR}[presentation=gallery]"
SELECTOR = "#{TAG_NAME}:has(#{ATTACHMENT_SELECTOR} + #{ATTACHMENT_SELECTOR})"
private_constant :TAG_NAME, :ATTACHMENT_SELECTOR, :SELECTOR
end
end