link_to_lightbox helper

link_to_lightbox_helper.rb

  # builds an href for an iframe using prettyPhoto.js plugin
  def link_to_lightbox(*args, &block)
   if block_given?
     options      = args.first || {}
     html_options = args.second
     concat(link_to(capture(&block), options, html_options))
   else
     name         = args.first
     options      = args.second || {}
     html_options = args.third
     
     # automatically pass params[:lightbox] of true - useful for rendering layouts conditionally 
     options.include?("?") ? options << "&lightbox=true" : options << "?lightbox=true"
            
     url = url_for(options)

     if html_options
       html_options[:rel] = "prettyPhoto" if html_options[:rel].blank?
       
       # grab width/height attrs and remove from html options
       lightbox_width = html_options.delete(:width)
       lightbox_height = html_options.delete(:height)
       
       html_options = html_options.stringify_keys
       href = html_options['href']
       convert_options_to_javascript!(html_options, url)
       tag_options = tag_options(html_options)
     else
       tag_options = nil
     end
     href_attr = "href=\"#{url}?iframe=true&width=#{lightbox_width}&height=#{lightbox_height}\"" unless href
     "<a #{href_attr}#{tag_options}>#{name || url}</a>"
   end
 end