Revert "Update all Angular libs (run update_all.sh)."

third_party/pkg/angular/demo/todo/web/todo.dart

+library todo;
+
+import 'package:angular/angular.dart';
+
+
+class Item {
+  String text;
+  bool done;
+
+  Item([this.text = '', this.done = false]);
+
+  bool get isEmpty => text.isEmpty;
+
+  Item clone() => new Item(text, done);
+
+  void clear() {
+    text = '';
+    done = false;
+  }
+}
+
+
+// ServerController interface. Logic in main.dart determines which
+// implementation we should use.
+abstract class ServerController {
+  init(TodoController todo);
+}
+
+
+// An implementation of ServerController that does nothing.
+class NoServerController implements ServerController {
+  init(TodoController todo) { }
+}
+
+
+// An implementation of ServerController that fetches items from
+// the server over HTTP.
+class HttpServerController implements ServerController {
+  final Http _http;
+  HttpServerController(this._http);
+
+  init(TodoController todo) {
+    _http(method: 'GET', url: '/todos').then((HttpResponse data) {
+      data.data.forEach((d) {
+        todo.items.add(new Item(d["text"], d["done"]));
+      });
+    });
+  }
+}
+
+
+@NgController(
+    selector: '[todo-controller]',
+    publishAs: 'todo')
+class TodoController {
+  var items = <Item>[];
+  Item newItem;
+
+  TodoController(ServerController serverController) {
+    newItem = new Item();
+    items = [
+      new Item('Write Angular in Dart', true),
+      new Item('Write Dart in Angular'),
+      new Item('Do something useful')
+    ];
+
+    serverController.init(this);
+  }
+
+  // workaround for https://github.com/angular/angular.dart/issues/37
+  dynamic operator [](String key) => key == 'newItem' ? newItem : null;
+
+  void add() {
+    if (newItem.isEmpty) return;
+
+    items.add(newItem.clone());
+    newItem.clear();
+  }
+
+  void markAllDone() {
+    items.forEach((item) => item.done = true);
+  }
+
+  void archiveDone() {
+    items.removeWhere((item) => item.done);
+  }
+
+  String classFor(Item item) => item.done ? 'done' : '';
+
+  int remaining() => items.fold(0, (count, item) => count += item.done ? 0 : 1);
+}