| // 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 action_link_element; |
| |
| import 'package:polymer/polymer.dart'; |
| |
| @CustomTag('action-link') |
| class ActionLinkElement extends PolymerElement { |
| ActionLinkElement.created() : super.created(); |
| |
| @observable bool busy = false; |
| @published var callback = null; |
| @published String label = 'action'; |
| @published String color = null; |
| |
| void doAction(var a, var b, var c) { |
| if (busy) { |
| return; |
| } |
| if (callback != null) { |
| busy = true; |
| // TODO(turnidge): Track down why adding a dummy argument makes |
| // this work but having a no-argument callback doesn't. |
| callback(null).whenComplete(() { |
| busy = false; |
| }); |
| } |
| } |
| } |