| // 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. |
| |
| import 'dart:html'; |
| import 'dart:async'; |
| import 'package:observatory_2/models.dart' as M show VM, EventRepository; |
| import 'package:observatory_2/src/elements/helpers/nav_menu.dart'; |
| import 'package:observatory_2/src/elements/helpers/rendering_scheduler.dart'; |
| import 'package:observatory_2/src/elements/helpers/custom_element.dart'; |
| import 'package:observatory_2/src/elements/helpers/uris.dart'; |
| import 'package:observatory_2/src/elements/nav/menu_item.dart'; |
| |
| class NavVMMenuElement extends CustomElement implements Renderable { |
| RenderingScheduler<NavVMMenuElement> _r; |
| |
| Stream<RenderedEvent<NavVMMenuElement>> get onRendered => _r.onRendered; |
| |
| M.VM _vm; |
| M.EventRepository _events; |
| StreamSubscription _updatesSubscription; |
| Iterable<Element> _content = const []; |
| |
| M.VM get vm => _vm; |
| Iterable<Element> get content => _content; |
| |
| set content(Iterable<Element> value) { |
| _content = value.toList(); |
| _r.dirty(); |
| } |
| |
| factory NavVMMenuElement(M.VM vm, M.EventRepository events, |
| {RenderingQueue queue}) { |
| assert(vm != null); |
| assert(events != null); |
| NavVMMenuElement e = new NavVMMenuElement.created(); |
| e._r = new RenderingScheduler<NavVMMenuElement>(e, queue: queue); |
| e._vm = vm; |
| e._events = events; |
| return e; |
| } |
| |
| NavVMMenuElement.created() : super.created('nav-vm-menu'); |
| |
| @override |
| void attached() { |
| super.attached(); |
| _updatesSubscription = _events.onVMUpdate.listen((e) { |
| _vm = e.vm; |
| _r.dirty(); |
| }); |
| _r.enable(); |
| } |
| |
| @override |
| void detached() { |
| super.detached(); |
| children = <Element>[]; |
| _r.disable(notify: true); |
| _updatesSubscription.cancel(); |
| } |
| |
| void render() { |
| final content = (_vm.isolates.map<Element>((isolate) { |
| return new NavMenuItemElement(isolate.name, |
| queue: _r.queue, link: Uris.inspect(isolate)) |
| .element; |
| }).toList() |
| ..addAll(_content)); |
| children = <Element>[ |
| navMenu(vm.displayName, link: Uris.vm(), content: content) |
| ]; |
| } |
| } |