def alert_box(*args, &block)
      alert_box = Bh::AlertBox.new(self, *args, &block)
      alert_box.extract! :context, :priority, :dismissible

      alert_box.append_class! :alert
      alert_box.append_class! alert_box.context_class
      alert_box.merge! role: :alert
      alert_box.prepend_html! alert_box.dismissible_button
      alert_box.render_tag :div
    end
def alert_box(*args, &block)
      alert_box = Bh::AlertBox.new(self, *args, &block)
      alert_box.extract! :context, :priority, :dismissible

      alert_box.append_class! :alert
      alert_box.append_class! alert_box.context_class
      alert_box.merge! role: :alert
      alert_box.prepend_html! alert_box.dismissible_button
      alert_box.render_tag :div
    end
Displays a Bootstrap-styled alert message.
 @see http://getbootstrap.com/components/#alerts
 @return [String] the HTML to display a Bootstrap-styled alert message.
 @overload alert_box(content, options = {})
   @param [#to_s] content the content to display in the alert.
   @param [Hash] options the options for the alert box. Any option not
     listed below is passed as an HTML attribute to the alert’s `<div>`.
   @option options [Boolean] :dismissible (false) whether to display an
     '×' to the right of the box that can be clicked to dismiss the alert.
   @option options [#to_s] :context (:info) the contextual alternative to
     apply to the alert. Can be `:danger`, `:info`, `:success` or
     `:warning`.
   @option options [#to_s] :priority if set to one of the priority levels
     of Rails flash contents, determines the context of the alert box.
     Can be :alert or :notice.
   @example Display a dismissible alert box with a plain-text content.
       alert_box 'User updated successfully', dismissible: true
 @overload alert_box(options = {}, &block)
   @param [Hash] options the options for the alert box (see above).
   @yieldreturn [#to_s] the content to display in the alert.
   @example Display a success alert box with an HTML content.
       alert_box context: :success do
         content_tag :strong, 'User updated successfully'
       end