diff options
Diffstat (limited to 'actionview/lib/action_view/helpers/tags/placeholderable.rb')
| -rw-r--r-- | actionview/lib/action_view/helpers/tags/placeholderable.rb | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/actionview/lib/action_view/helpers/tags/placeholderable.rb b/actionview/lib/action_view/helpers/tags/placeholderable.rb new file mode 100644 index 0000000000..313aa725c9 --- /dev/null +++ b/actionview/lib/action_view/helpers/tags/placeholderable.rb @@ -0,0 +1,32 @@ +module ActionView + module Helpers + module Tags # :nodoc: + module Placeholderable # :nodoc: + def initialize(*) + super + + if tag_value = @options[:placeholder] + object_name = @object_name.gsub(/\[(.*)_attributes\]\[\d+\]/, '.\1') + method_and_value = tag_value.is_a?(TrueClass) ? @method_name : "#{@method_name}.#{tag_value}" + + if object.respond_to?(:to_model) + key = object.class.model_name.i18n_key + i18n_default = ["#{key}.#{method_and_value}".to_sym, ""] + end + + i18n_default ||= "" + placeholder = I18n.t("#{object_name}.#{method_and_value}", :default => i18n_default, :scope => "helpers.placeholder").presence + + placeholder ||= if object && object.class.respond_to?(:human_attribute_name) + object.class.human_attribute_name(method_and_value) + end + + placeholder ||= @method_name.humanize + + @options[:placeholder] = placeholder + end + end + end + end + end +end |