readonly_form_builder.rb

class ReadonlyFormBuilder < ActionView::Helpers::FormBuilder
  def calendar_date_select(method, options = {})
    text_field method, options
  end
  
  def check_box(method, options = {}, checked_value = "1", unchecked_value = "0")
    merge_class_options 'readonly furtive', options
    options.update :readonly => true
    super
  end
  
  def radio_button(method, tag_value, options = {})
    merge_class_options 'readonly furtive', options
    options.update :readonly => true
    super
  end
  
  def select(method, choices, options = {}, html_options = {})
    text_field method, html_options
  end
  
  def state_select(method, options = {}, html_options = {})
    text_field method, html_options
  end
  
  def text_area(method, options = {})
    text_field method, options
  end
  
  def text_field(method, options = {})
    merge_class_options 'readonly furtive', options
    value = object.send(method)
    options.update :readonly => true, :value => value
    super
  end
  
  protected
    def merge_class_options(classes, options)
      options[:class] ||= ''
      old_classes = options[:class].split(' ')
      new_classes = classes.split(' ')
      old_classes.concat new_classes
      options[:class] = old_classes * ' '
    end
end