Using with simple form

If you want to make all of your date/datetime inputs to use a text field and i18n with simple form, you can implement a custom input like this:

# app/inputs/date_time_input.rb
class DateTimeInput < SimpleForm::Inputs::Base
  enable :placeholder

  def input(wrapper_options = nil)
    merged_input_options = merge_wrapper_options(input_html_options, wrapper_options)

    @builder.text_field(attribute_name, merged_input_options)
  end

  def input_html_options
    input_html_options = super
    input_html_options[:value] = I18n.l(attribute_value) if attribute_value
    input_html_options
  end

  protected

  def attribute_value
    @value ||= object.send(attribute_name)
  end
end