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Contents
module ActionView
module Helpers
module Tags # :nodoc:
class Select < Base # :nodoc:
def initialize(object_name, method_name, template_object, choices, options, html_options)
@choices = block_given? ? template_object.capture { yield || "" } : choices
@choices = @choices.to_a if @choices.is_a?(Range)
@html_options = html_options
super(object_name, method_name, template_object, options)
end
def render
option_tags_options = {
selected: @options.fetch(:selected) { value(@object) },
disabled: @options[:disabled]
}
option_tags = if grouped_choices?
grouped_options_for_select(@choices, option_tags_options)
else
options_for_select(@choices, option_tags_options)
end
select_content_tag(option_tags, @options, @html_options)
end
private
# Grouped choices look like this:
#
# [nil, []]
# { nil => [] }
def grouped_choices?
!@choices.empty? && @choices.first.respond_to?(:last) && Array === @choices.first.last
end
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems