richtext-simple.html

<!doctype html>
<!-- See http://www.firepad.io/docs/ for detailed embedding docs. -->
<html>

<head>
  <meta charset="utf-8" />
  <!-- Firebase -->
  <script src="https://www.gstatic.com/firebasejs/5.5.4/firebase.js"></script>

  <!-- CodeMirror -->
  <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.17.0/codemirror.js"></script>
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.17.0/codemirror.css" />

  <!-- Firepad -->
  <link rel="stylesheet" href="https://firepad.io/releases/1.5.4/firepad.css" />
  <script src="https://firepad.io/releases/1.5.4/firepad.min.js"></script>

  <style>
    html { height: 100%; }
    body { margin: 0; height: 100%; position: relative; }
      /* Height / width / positioning can be customized for your use case.
         For demo purposes, we make firepad fill the entire browser. */
    #firepad-container {
      width: 100%;
      height: 100%;
    }
  </style>
</head>

<body onload="init()">
  <div id="firepad-container"></div>

  <script>
    function init() {
      //// Initialize Firebase.
      //// TODO: replace with your Firebase project configuration.
      var config = {
        apiKey: '<API_KEY>',
        authDomain: "firepad-tests.firebaseapp.com",
        databaseURL: "https://firepad-tests.firebaseio.com"
      };
      firebase.initializeApp(config);

      //// Get Firebase Database reference.
      var firepadRef = getExampleRef();

      //// Create CodeMirror (with lineWrapping on).
      var codeMirror = CodeMirror(document.getElementById('firepad-container'), { lineWrapping: true });

      //// Create Firepad (with rich text toolbar and shortcuts enabled).
      var firepad = Firepad.fromCodeMirror(firepadRef, codeMirror,
          { richTextToolbar: true, richTextShortcuts: true });

      //// Initialize contents.
      firepad.on('ready', function() {
        if (firepad.isHistoryEmpty()) {
          firepad.setHtml('<span style="font-size: 24px;">Rich-text editing with <span style="color: red">Firepad!</span></span><br/><br/>Collaborative-editing made easy.\n');
        }
      });
    }

    // Helper to get hash from end of URL or generate a random one.
    function getExampleRef() {
      var ref = firebase.database().ref();
      var hash = window.location.hash.replace(/#/g, '');
      if (hash) {
        ref = ref.child(hash);
      } else {
        ref = ref.push(); // generate unique location.
        window.location = window.location + '#' + ref.key; // add it as a hash to the URL.
      }
      if (typeof console !== 'undefined') {
        console.log('Firebase data: ', ref.toString());
      }
      return ref;
    }
  </script>
</body>
</html>