Rename mdv -> template_binding, remove experiemntal apis from dart:html

pkg/mdv/lib/src/node.dart

Index: pkg/mdv/lib/src/node.dart
diff --git a/pkg/mdv/lib/src/node.dart b/pkg/mdv/lib/src/node.dart
deleted file mode 100644
index cf36831c466b1b5317fd82612299dd45aa14a9e9..0000000000000000000000000000000000000000
--- a/pkg/mdv/lib/src/node.dart
+++ /dev/null
@@ -1,132 +0,0 @@
-// 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.
-
-part of mdv;
-
-/** Extensions to the [Node] API. */
-class _NodeExtension {
-  final Node node;
-  Map<String, NodeBinding> _bindings;
-
-  _NodeExtension(this.node);
-
-  NodeBinding createBinding(String name, model, String path) => null;
-
-  /**
-   * Binds the attribute [name] to the [path] of the [model].
-   * Path is a String of accessors such as `foo.bar.baz`.
-   */
-  NodeBinding bind(String name, model, String path) {
-    var binding = bindings[name];
-    if (binding != null) binding.close();
-
-    // Note: dispatch through the xtag so a custom element can override it.
-    binding = (node is Element ? (node as Element).xtag : node)
-        .createBinding(name, model, path);
-
-    bindings[name] = binding;
-    if (binding == null) {
-      window.console.error('Unhandled binding to Node: '
-          '$this $name $model $path');
-    }
-    return binding;
-  }
-
-  /** Unbinds the attribute [name]. */
-  void unbind(String name) {
-    if (_bindings == null) return;
-    var binding = bindings.remove(name);
-    if (binding != null) binding.close();
-  }
-
-  /** Unbinds all bound attributes. */
-  void unbindAll() {
-    if (_bindings == null) return;
-    for (var binding in bindings.values) {
-      if (binding != null) binding.close();
-    }
-    _bindings = null;
-  }
-
-  // TODO(jmesserly): we should return a read-only wrapper here.
-  Map<String, NodeBinding> get bindings {
-    if (_bindings == null) _bindings = new LinkedHashMap<String, NodeBinding>();
-    return _bindings;
-  }
-
-  TemplateInstance _templateInstance;
-
-  /** Gets the template instance that instantiated this node, if any. */
-  TemplateInstance get templateInstance =>
-      _templateInstance != null ? _templateInstance :
-      (node.parent != null ? node.parent.templateInstance : null);
-}
-
-/** A data binding on a [Node]. See [Node.bindings] and [Node.bind]. */
-abstract class NodeBinding {
-  Node _node;
-  var _model;
-  PathObserver _observer;
-  StreamSubscription _pathSub;
-
-  /** The property of [node] which will be data bound. */
-  final String property;
-
-  /** The property of [node] which will be data bound. */
-  final String path;
-
-  /** The node that has [property] which will be data bound. */
-  Node get node => _node;
-
-  /**
-   * The bound data model.
-   */
-  get model => _model;
-
-  /** True if this binding has been [closed]. */
-  bool get closed => _observer == null;
-
-  /** The value at the [path] on [model]. */
-  get value => _observer.value;
-
-  set value(newValue) {
-    _observer.value = newValue;
-  }
-
-  NodeBinding(this._node, this.property, this._model, this.path) {
-    // Create the path observer
-    _observer = new PathObserver(model, path);
-    _observePath();
-  }
-
-  void _observePath() {
-    _pathSub = _observer.bindSync(boundValueChanged);
-  }
-
-  /** Called when [value] changes to update the [node]. */
-  // TODO(jmesserly): the impl in MDV uses mirrors to set the property,
-  // but that isn't used except for specific known fields like "textContent",
-  // so I'm overridding this in the subclasses instead.
-  void boundValueChanged(newValue);
-
-  /** Called to sanitize the value before it is assigned into the property. */
-  sanitizeBoundValue(value) => value == null ? '' : '$value';
-
-  /**
-   * Called by [Node.unbind] to close this binding and unobserve the [path].
-   *
-   * This can be overridden in subclasses, but they must call `super.close()`
-   * to free associated resources. They must also check [closed] and return
-   * immediately if already closed.
-   */
-  void close() {
-    if (closed) return;
-
-    if (_pathSub != null) _pathSub.cancel();
-    _pathSub = null;
-    _observer = null;
-    _node = null;
-    _model = null;
-  }
-}