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Contents
module GOVUKDesignSystemFormBuilder
module Elements
class Legend < Base
include Traits::Caption
include Traits::Localisation
def initialize(builder, object_name, attribute_name, text: nil, size: config.default_legend_size, hidden: false, tag: config.default_legend_tag, caption: nil, content: nil, **kwargs)
super(builder, object_name, attribute_name)
if content
@content = capture { content.call }
else
@text = retrieve_text(text)
@tag = tag
@size_class = size_class(size)
@tag = tag
@caption = caption
@hidden = hidden
@html_attributes = kwargs
end
end
def html
@content || legend
end
private
def active?
[@text, @content].any?(&:present?)
end
def legend
return unless active?
tag.legend(legend_content, class: classes, **@html_attributes)
end
def legend_content
caption_and_text = safe_join([caption_element, @text])
return caption_and_text if @tag.blank?
content_tag(@tag, class: heading_classes) { caption_and_text }
end
def retrieve_text(supplied_text)
[supplied_text, localised_text(:legend), @attribute_name&.capitalize].compact.first
end
def classes
[%(#{brand}-fieldset__legend), @size_class, visually_hidden_class].compact
end
def size_class(size)
if size.in?(%w(xl l m s))
%(#{brand}-fieldset__legend--#{size})
else
fail "invalid size '#{size}', must be xl, l, m or s"
end
end
def visually_hidden_class
%(#{brand}-visually-hidden) if @hidden
end
def heading_classes
%(#{brand}-fieldset__heading)
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems