# File lib/nanite/admin.rb, line 59
    def layout(content=nil)
      %Q{
        <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
        <html xmlns='http://www.w3.org/1999/xhtml'>
          <head>
            <meta content='text/html; charset=utf-8' http-equiv='Content-Type' />
            <meta content='en' http-equiv='Content-Language' />
            <meta content='Engineyard' name='author' />
            <title>Nanite Control Tower</title>

            <style>
              body {margin: 0; font-family: verdana; background-color: #fcfcfc;}
              ul {margin: 0; padding: 0; margin-left: 10px}
              li {list-style-type: none; margin-bottom: 6px}
              li .nanite {font-weight: bold; font-size: 12px}
              li .response {padding: 8px}
              li .intermediatestates {padding: 8px; font-size: 10px;}
              li .intermediatestates span.statenote {font-style: italic;}
              h1, h2, h3 {margin-top: none; padding: none; margin-left: 40px;}
              h1 {font-size: 22px; margin-top: 40px; margin-bottom: 30px; border-bottom: 1px solid #ddd; padding-bottom: 6px;
                margin-right: 40px}
              h2 {font-size: 16px;}
              h3 {margin-left: 0; font-size: 14px}
              .section {border: 1px solid #ccc; background-color: #fefefe; padding: 10px; margin: 20px 40px; padding: 20px;
                font-size: 14px}
              #footer {text-align: center; color: #AAA; font-size: 12px}
            </style>

          </head>

          <body>
            <div id="header">
              <h1>Nanite Control Tower</h1>
            </div>

            <h2>#{@mapper.options[:vhost]}</h2>
            <div class="section">
              <form method="post" action="/">
                <input type="hidden" value="POST" name="_method"/>

                  <label>Send</label>
                  <select name="type">
                    <option #{@selection == 'least_loaded' ? 'selected="true"' : ''} value="least_loaded">the least loaded nanite</option>
                    <option #{@selection == 'random' ? 'selected="true"' : ''} value="random">a random nanite</option>
                    <option #{@selection == 'all' ? 'selected="true"' : ''} value="all">all nanites</option>
                    <option #{@selection == 'rr' ? 'selected="true"' : ''} value="rr">a nanite chosen by round robin</option>
                    #{@mapper.cluster.nanites.map {|k,v| "<option #{@selection == k ? 'selected="true"' : ''} value='#{k}'>#{k}</option>" }.join}
                  </select>

                  <label>providing service</label>
                  #{services}

                  <label>the payload</label>
                  <input type="text" class="text" name="payload" id="payload"/>

                  <input type="submit" class="submit" value="Go!" name="submit"/>
              </form>

              #{"<h3>Responses</h3>" if content}
              #{content}
            </div>

            <h2>Running nanites</h2>
            <div class="section">
              #{"No nanites online." if @mapper.cluster.nanites.size == 0}
              <ul>
                #{@mapper.cluster.nanites.map {|k,v| "<li>identity : #{k}<br />load : #{v[:status]}<br />services : #{v[:services].to_a.inspect}<br />tags: #{v[:tags].to_a.inspect}</li>" }.join}
              </ul>
            </div>
            <div id="footer">
              Nanite #{Nanite::VERSION}
              <br />
              &copy; 2009 a bunch of random geeks
            </div>
          </body>
        </html>
      }
    end