port Node.bind to bd0a0591920da9091b326627a46a104a92c7efe7

pkg/template_binding/test/custom_element_bindings_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library template_binding.test.custom_element_bindings_test;
 
 import 'dart:async';
 import 'dart:html';
 import 'package:custom_element/polyfill.dart';
 import 'package:template_binding/template_binding.dart';
@@ skipping 147 matching lines @@
 
 /** Demonstrates a custom element overriding bind/unbind/unbindAll. */
 class MyCustomElement extends HtmlElement implements NodeBindExtension {
   Point myPoint;
   Monster scaryMonster;
 
   factory MyCustomElement() => new Element.tag('my-custom-element');
 
   MyCustomElement.created() : super.created();
 
-  NodeBinding createBinding(String name, model, String path) {
+  NodeBinding bind(String name, model, [String path]) {
     switch (name) {
       case 'my-point':
       case 'scary-monster':
-        return new _MyCustomBinding(this, name, model, path);
+        attributes.remove(name);
+        unbind(name);
+        return bindings[name] = new _MyCustomBinding(this, name, model, path);
     }
-    return nodeBindFallback(this).createBinding(name, model, path);
+    return nodeBindFallback(this).bind(name, model, path);
   }
 
-  bind(name, model, path) => nodeBindFallback(this).bind(name, model, path);
   unbind(name) => nodeBindFallback(this).unbind(name);
   unbindAll() => nodeBindFallback(this).unbindAll();
+  get bindings => nodeBindFallback(this).bindings;
 }
 
 class _MyCustomBinding extends NodeBinding {
   _MyCustomBinding(MyCustomElement node, property, model, path)
       : super(node, property, model, path) {
 
     node.attributes.remove(property);
   }
 
   MyCustomElement get node => super.node;
 
-  void boundValueChanged(newValue) {
+  void valueChanged(newValue) {
     if (property == 'my-point') node.myPoint = newValue;
     if (property == 'scary-monster') node.scaryMonster = newValue;
   }
 }
 
 
 /**
  * Demonstrates a custom element can override attributes []= and remove.
  * and see changes that the data binding system is making to the attributes.
  */
@@ skipping 35 matching lines @@
 
   void addAll(Map<K, V> other) => _map.addAll(other);
   void clear() => _map.clear();
   void forEach(void f(K key, V value)) => _map.forEach(f);
   Iterable<K> get keys => _map.keys;
   Iterable<V> get values => _map.values;
   int get length => _map.length;
   bool get isEmpty => _map.isEmpty;
   bool get isNotEmpty => _map.isNotEmpty;
 }