diff options
Diffstat (limited to 'actionview/lib/action_view/helpers/tags/label.rb')
-rw-r--r-- | actionview/lib/action_view/helpers/tags/label.rb | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/actionview/lib/action_view/helpers/tags/label.rb b/actionview/lib/action_view/helpers/tags/label.rb new file mode 100644 index 0000000000..08a23e497e --- /dev/null +++ b/actionview/lib/action_view/helpers/tags/label.rb @@ -0,0 +1,89 @@ +module ActionView + module Helpers + module Tags # :nodoc: + class Label < Base # :nodoc: + class LabelBuilder # :nodoc: + attr_reader :object + + def initialize(template_object, object_name, method_name, object, tag_value) + @template_object = template_object + @object_name = object_name + @method_name = method_name + @object = object + @tag_value = tag_value + end + + def translation + method_and_value = @tag_value.present? ? "#{@method_name}.#{@tag_value}" : @method_name + @object_name.gsub!(/\[(.*)_attributes\]\[\d+\]/, '.\1') + + if object.respond_to?(:to_model) + key = object.model_name.i18n_key + i18n_default = ["#{key}.#{method_and_value}".to_sym, ""] + end + + i18n_default ||= "" + content = I18n.t("#{@object_name}.#{method_and_value}", :default => i18n_default, :scope => "helpers.label").presence + + content ||= if object && object.class.respond_to?(:human_attribute_name) + object.class.human_attribute_name(method_and_value) + end + + content ||= @method_name.humanize + + content + end + end + + def initialize(object_name, method_name, template_object, content_or_options = nil, options = nil) + options ||= {} + + content_is_options = content_or_options.is_a?(Hash) + if content_is_options + options.merge! content_or_options + @content = nil + else + @content = content_or_options + end + + super(object_name, method_name, template_object, options) + end + + def render(&block) + options = @options.stringify_keys + tag_value = options.delete("value") + name_and_id = options.dup + + if name_and_id["for"] + name_and_id["id"] = name_and_id["for"] + else + name_and_id.delete("id") + end + + add_default_name_and_id_for_value(tag_value, name_and_id) + options.delete("index") + options.delete("namespace") + options["for"] = name_and_id["id"] unless options.key?("for") + + builder = LabelBuilder.new(@template_object, @object_name, @method_name, @object, tag_value) + + content = if block_given? + @template_object.capture(builder, &block) + elsif @content.present? + @content.to_s + else + render_component(builder) + end + + label_tag(name_and_id["id"], content, options) + end + + private + + def render_component(builder) + builder.translation + end + end + end + end +end |