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module ActionView
module Helpers
module Tags
class CollectionRadioButtons < CollectionSelect
delegate :radio_button, :label, :to => :@template_object
def render
rendered_collection = render_collection do |value, text, default_html_options|
if block_given?
yield sanitize_attribute_name(@method_name, value), text, value, default_html_options
else
radio_button(@object_name, @method_name, value, default_html_options) +
label(@object_name, sanitize_attribute_name(@method_name, value), text, :class => "collection_radio_buttons")
end
end
wrap_rendered_collection(rendered_collection, @options)
end
private
# Generate default options for collection helpers, such as :checked and
# :disabled.
def default_html_options_for_collection(item, value, options, html_options) #:nodoc:
html_options = html_options.dup
[:checked, :selected, :disabled].each do |option|
next unless options[option]
accept = if options[option].respond_to?(:call)
options[option].call(item)
else
Array(options[option]).include?(value)
end
if accept
html_options[option] = true
elsif option == :checked
html_options[option] = false
end
end
html_options
end
def sanitize_attribute_name(attribute, value) #:nodoc:
"#{attribute}_#{value.to_s.gsub(/\s/, "_").gsub(/[^-\w]/, "").downcase}"
end
def render_collection #:nodoc:
item_wrapper_tag = @options.fetch(:item_wrapper_tag, :span)
item_wrapper_class = @options[:item_wrapper_class]
@collection.map do |item|
value = value_for_collection(item, @value_method)
text = value_for_collection(item, @text_method)
default_html_options = default_html_options_for_collection(item, value, @options, @html_options)
rendered_item = yield value, text, default_html_options
item_wrapper_tag ? @template_object.content_tag(item_wrapper_tag, rendered_item, :class => item_wrapper_class) : rendered_item
end.join.html_safe
end
def value_for_collection(item, value) #:nodoc:
value.respond_to?(:call) ? value.call(item) : item.send(value)
end
def wrap_rendered_collection(collection, options)
wrapper_tag = options[:collection_wrapper_tag]
if wrapper_tag
wrapper_class = options[:collection_wrapper_class]
@template_object.content_tag(wrapper_tag, collection, :class => wrapper_class)
else
collection
end
end
end
end
end
end
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