AngularJS+Synchroscope Example

HTML

<div ng-app="synchroscope"><!-- load synchroscope! -->
  <h2>Realtime Collaborative Todo</h2>
  <p ng-hide="$ynchronized">(Please wait for synchronization!)</p>
  <div ng-controller="TodoCtrl" ng-show="$ynchronized"><!-- show only when synchronized successfully -->
    <span>{{remaining()}} of {{todos.length}} remaining</span>
    [ <a href="" ng-click="archive()">archive</a> ]
    <ul class="unstyled">
      <li ng-repeat="todo in todos">
        <input type="checkbox" ng-model="todo.done">
        <span class="done-{{todo.done}}">{{todo.text}}</span>
      </li>
    </ul>
    <form ng-submit="addTodo()">
      <input type="text" ng-model="todoText"  size="30"
             placeholder="add new todo here">
      <input class="btn-primary" type="submit" value="add">
    </form>
  </div>
</div>

CSS

</style> <!-- Ugly Hack due to jsFiddle issue: http://goo.gl/BUfGZ --> 

<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.7/angular.min.js"></script>

<!-- synchroscope stuff -->
<script src="https://crypto-js.googlecode.com/svn/tags/3.1.2/build/rollups/md5.js"></script><!-- optional -->
<script src="https://sync.lumenwei.com/socket.io/socket.io.js"></script>
<script src="https://sync.lumenwei.com/client/sync.js"></script>
<!-- end synchroscope stuff -->

<style>
.done-true {
  text-decoration: line-through;
  color: grey;
}

JavaScript

function TodoCtrl($scope, $ync) {
  $scope.todos = [
    {text:'learn angular', done:true},
    {text:'build an angular app', done:false}];

  $scope.addTodo = function() {
    $scope.todos.push({text:$scope.todoText, done:false});
    $scope.todoText = '';
  };
  
  // just add this line and they are synchronized!
  $ync($scope, ['todos'], 'https://synchroscope.herokuapp.com/synchroscope#todos');

  $scope.remaining = function() {
    var count = 0;
    angular.forEach($scope.todos, function(todo) {
      count += todo.done ? 0 : 1;
    });
    return count;
  };

  $scope.archive = function() {
    var oldTodos = $scope.todos;
    $scope.todos = [];
    angular.forEach(oldTodos, function(todo) {
      if (!todo.done) $scope.todos.push(todo);
    });
  };
}