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author | George Claghorn <george@basecamp.com> | 2019-01-04 19:43:11 -0500 |
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committer | George Claghorn <george@basecamp.com> | 2019-01-04 22:22:49 -0500 |
commit | 0decd2ddc4a94cf522fc8ea8e6c73b9deedfdd93 (patch) | |
tree | 91b8ddcf86b15356cd8d3dee235bf53a1778572b /actiontext/lib/action_text/attachment_gallery.rb | |
parent | 8a23a0e8c20c0cccf0073906d7dd7f809bfa836d (diff) | |
parent | cfe4674d3637c746cdb3c2b5131e2de498775529 (diff) | |
download | rails-0decd2ddc4a94cf522fc8ea8e6c73b9deedfdd93.tar.gz rails-0decd2ddc4a94cf522fc8ea8e6c73b9deedfdd93.tar.bz2 rails-0decd2ddc4a94cf522fc8ea8e6c73b9deedfdd93.zip |
Import Action Text
Diffstat (limited to 'actiontext/lib/action_text/attachment_gallery.rb')
-rw-r--r-- | actiontext/lib/action_text/attachment_gallery.rb | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/actiontext/lib/action_text/attachment_gallery.rb b/actiontext/lib/action_text/attachment_gallery.rb new file mode 100644 index 0000000000..45afbff058 --- /dev/null +++ b/actiontext/lib/action_text/attachment_gallery.rb @@ -0,0 +1,65 @@ +# 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? + child.text =~ /\A(\n|\ )*\z/ + 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 |