Formtastic custom html_safe input

gistfile1.rb

## html_safe_intput.rb
# encoding: UTF-8

class HtmlSafeInput < Formtastic::Inputs::TextInput

  # Called dynamically, via form.input :foo, :as => :html_safe
  def to_html
    return super if object[method].blank?
    input_wrapping do
      label_html <<
      object[method].html_safe
    end
  end

  def input_html_options
    {
      :rows => 10,
      :class => "acml"
    }.merge(super)
  end

end

## something.html.haml
# usage
form.input :some_html_content, :label => 'My HTML safe content', :as => :html_safe