Sha256: 169e691068aaa31f7890144885276cfdcb2febd5852dc8b9e032d473541c0ddc
Contents?: true
Size: 1.69 KB
Versions: 18
Compression:
Stored size: 1.69 KB
Contents
module ContentTagHelper
def content_tag(*args, &block)
if block_given?
tag = Tag.new(*args)
old_buf = @output_buffer
@output_buffer = ActionView::OutputBuffer.new
value = yield(tag)
content = tag.render(@output_buffer.presence || value)
@output_buffer = old_buf
content
else
super
end
end
private
class Tag
include ActionView::Helpers::CaptureHelper
attr_accessor :id
attr_reader :name, :css
def initialize(name, *args)
@name = name
@attributes = tag_options(*args)
@attributes[:class] = Tag::CSS.new(@attributes.fetch(:class, {}))
end
def tag_options(*args)
options = nil
args.each do |a|
if a.is_a?(Hash)
options = a
break
end
end
(options || {}).with_indifferent_access
end
def css
@attributes[:class]
end
def []=(k,v)
@attributes[k] = v
end
def render(content)
"<#{name}#{render_attributes}>#{content.to_s.strip}</#{name}>".html_safe
end
def render_attributes
attrs = @attributes.dup
if css.empty?
attrs.delete :class
else
attrs[:class] = css.to_s
end
attrs.keys.map do |k|
"#{k}='#{attrs[k]}'"
end.join(' ').prepend(' ').html_safe
end
class CSS
def initialize(css)
if css.is_a? String
@internals = css.split(' ')
else
@internals = css.to_a
end
end
def to_s
@internals.uniq.join(' ').html_safe
end
def empty?
@internals.empty?
end
def <<(name)
@internals << name
nil
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems