| // 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. |
| |
| library eval_link_element; |
| |
| import 'package:observatory/service.dart'; |
| import 'package:polymer/polymer.dart'; |
| |
| @CustomTag('eval-link') |
| class EvalLinkElement extends PolymerElement { |
| EvalLinkElement.created() : super.created(); |
| |
| @observable bool busy = false; |
| @published String label = "[evaluate]"; |
| @published var callback = null; |
| @published var expr = ''; |
| @published ServiceObject result = null; |
| |
| void evalNow(var a, var b, var c) { |
| if (busy) { |
| return; |
| } |
| if (callback != null) { |
| busy = true; |
| result = null; |
| callback(expr).then((ServiceObject obj) { |
| result = obj; |
| }).whenComplete(() { |
| busy = false; |
| }); |
| } |
| } |
| } |