index.html


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<!doctype html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title>{{ title }}</title>
    <script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
    <script>
      $(document).ready(function() {
        function show_message(msg){
          $('#messages').prepend('<p>' + msg + '<p>');
        }

        var ws = new WebSocket('ws://127.0.0.1:9000/orders');
        ws.onopen = function() {
          show_message('B⃦ Connected.');
        }
        ws.onmessage = function(event) {
          show_message('B⃦ ' + event.data);
        }
        ws.onclose = function() {
          show_message('B⃦ Closed.');
        }

        $('#order').click(function() {
          var order = $('#order-msg').val();
          ws.send(order);
        });
      });
    </script>
  </head>

  <body>

    <h1>{{ title }}</h1>
    <h2>Order</h2>
    <p>
      <input id="order-msg" value=""/>
      <input id="order" type="submit" value="Send Order"/>
    </p>

    <h2>Messages</h2>
    <div id="messages"></div>

  </body>
</html>