diff options
Diffstat (limited to 'actionview/lib/action_view/helpers/tags/select.rb')
-rw-r--r-- | actionview/lib/action_view/helpers/tags/select.rb | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/actionview/lib/action_view/helpers/tags/select.rb b/actionview/lib/action_view/helpers/tags/select.rb new file mode 100644 index 0000000000..00881d9978 --- /dev/null +++ b/actionview/lib/action_view/helpers/tags/select.rb @@ -0,0 +1,41 @@ +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 |