| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2015 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| |
| <link rel="import" href="/model/selectable_item.html"> |
| <link rel="import" href="/model/selection_state.html"> |
| |
| <script> |
| 'use strict'; |
| |
| tr.exportTo('tr.model', function() { |
| var SelectableItem = tr.model.SelectableItem; |
| var SelectionState = tr.model.SelectionState; |
| |
| /** |
| * A ProxySelectableItem is a selectable item which is not a model item itself |
| * but instead acts as a proxy for a model item. |
| * |
| * @constructor |
| * @extends {SelectableItem} |
| */ |
| function ProxySelectableItem(modelItem) { |
| SelectableItem.call(this, modelItem); |
| }; |
| |
| ProxySelectableItem.prototype = { |
| __proto__: SelectableItem.prototype, |
| |
| get selectionState() { |
| var modelItem = this.modelItem_; |
| if (modelItem === undefined) |
| return SelectionState.NONE; |
| return modelItem.selectionState; |
| } |
| }; |
| |
| return { |
| ProxySelectableItem: ProxySelectableItem |
| }; |
| }); |
| </script> |
