| // 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 error_ref_element; |
| |
| import 'dart:html'; |
| import 'dart:async'; |
| import 'package:observatory_2/models.dart' show ErrorRef; |
| import 'package:observatory_2/src/elements/helpers/custom_element.dart'; |
| import 'package:observatory_2/src/elements/helpers/rendering_scheduler.dart'; |
| |
| class ErrorRefElement extends CustomElement implements Renderable { |
| RenderingScheduler<ErrorRefElement> _r; |
| |
| Stream<RenderedEvent<ErrorRefElement>> get onRendered => _r.onRendered; |
| |
| ErrorRef _error; |
| |
| ErrorRef get error => _error; |
| |
| factory ErrorRefElement(ErrorRef error, {RenderingQueue queue}) { |
| assert(error != null); |
| ErrorRefElement e = new ErrorRefElement.created(); |
| e._r = new RenderingScheduler<ErrorRefElement>(e, queue: queue); |
| e._error = error; |
| return e; |
| } |
| |
| ErrorRefElement.created() : super.created('error-ref'); |
| |
| @override |
| void attached() { |
| super.attached(); |
| _r.enable(); |
| } |
| |
| @override |
| void detached() { |
| super.detached(); |
| children = <Element>[]; |
| _r.disable(notify: true); |
| } |
| |
| void render() { |
| children = <Element>[new PreElement()..text = error.message]; |
| } |
| } |