Converted general-error tag

runtime/observatory/lib/src/elements/general_error.dart

-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2016, 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 general_error_element;
 
-import 'observatory_element.dart';
-import 'package:polymer/polymer.dart';
+import 'dart:html';
+import 'dart:async';
+import 'package:observatory/models.dart' as M;
+import 'package:observatory/src/elements/helpers/tag.dart';
+import 'package:observatory/src/elements/helpers/rendering_scheduler.dart';
+import 'package:observatory/src/elements/nav/bar.dart';
+import 'package:observatory/src/elements/nav/notify.dart';
+import 'package:observatory/src/elements/nav/top_menu.dart';
 
-/// Displays an error message
-@CustomTag('general-error')
-class GeneralErrorElement extends ObservatoryElement {
-  @published String message;
+class GeneralErrorElement extends HtmlElement implements Renderable {
+  static const tag = const Tag<GeneralErrorElement>('general-error',
+                     dependencies: const [NavBarElement.tag,
+                                          NavTopMenuElement.tag,
+                                          NavNotifyElement.tag]);
+
+  RenderingScheduler _r;
+
+  Stream<RenderedEvent<GeneralErrorElement>> get onRendered => _r.onRendered;
+
+  M.NotificationRepository _notifications;
+  String _message;
+
+  String get message => _message;
+
+  set message(String value) => _message = _r.checkAndReact(_message, value);
+
+
+  factory GeneralErrorElement(M.NotificationRepository notifications,
+                           {String message: '', RenderingQueue queue}) {
+    assert(notifications != null);
+    assert(message != null);
+    GeneralErrorElement e = document.createElement(tag.name);
+    e._r = new RenderingScheduler(e, queue: queue);
+    e._message = message;
+    e._notifications = notifications;
+    return e;
+  }
 
   GeneralErrorElement.created() : super.created();
+
+  @override
+  void attached() {
+    super.attached();
+    _r.enable();
+  }
+
+  @override
+  void detached() {
+    super.detached();
+    children = [];
+    _r.disable(notify: true);
+  }
+
+  void render() {
+    children = [
+      new NavBarElement(queue: _r.queue)
+        ..children = [
+          new NavTopMenuElement(last: true, queue: _r.queue),
+          new NavNotifyElement(_notifications, queue: _r.queue)
+        ],
+      new DivElement()..classes = ['content-centered']
+        ..children = [
+          new HeadingElement.h1()..text = 'Error',
+          new BRElement(),
+          new DivElement()..classes = ['well']
+            ..text = message
+        ]
+    ];
+  }
 }