application_helper.rb

  def widget(title, options = {}, &block)
    options         = (options.is_a? Hash) ? options : { options => true }
    collapsed       = (
                        (options.has_key?(:<) || options.has_key?(:collapsed)) && \
                        cookies["widget_#{title.parameterize.downcase}"] != 'expanded'
                      ) \
                      || cookies["widget_#{title.parameterize.downcase}"] == 'collapsed' \
                      || options.has_key?(:ajax)
    widget_class    = options.fetch(:class, "")
    widget_class    << ' collapsed' if collapsed
    widget_class    << ' fixed' if options.fetch(:fixed, false)

    link_attributes = { tabindex: 0, title: "click to show/hide" }
    if options.has_key?(:ajax)
      link_attributes[:href]         = eval(options[:ajax])
      link_attributes["data-remote"] = 'true'
      widget_content_attributes      = { class: 'loading' }
    end

    capture_haml do
      haml_tag "section.widget", :<, class: widget_class do
        haml_tag ".widget", :< do
          haml_tag "header", :< do
            unless options.fetch(:fixed, false)
              haml_tag :a, :<, link_attributes do
                haml_tag :h3, :< do
                  haml_concat title
                end
              end
            else
              haml_tag :h3, :< do
                haml_concat title
              end
            end
          end
          haml_tag ".widget-content", :<, widget_content_attributes do
            yield if block_given?
          end
        end
      end
    end
  end