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1 part of view; | |
2 | |
3 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
4 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
5 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
6 | 4 |
7 class PageState { | 5 class PageState { |
8 final ObservableValue<int> current; | 6 final ObservableValue<int> current; |
9 final ObservableValue<int> target; | 7 final ObservableValue<int> target; |
10 final ObservableValue<int> length; | 8 final ObservableValue<int> length; |
11 PageState() : | 9 PageState() : |
12 current = new ObservableValue<int>(0), | 10 current = new ObservableValue<int>(0), |
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280 return perPage * (columnSize + _columnGap); | 278 return perPage * (columnSize + _columnGap); |
281 } | 279 } |
282 | 280 |
283 void _onPageSelected() { | 281 void _onPageSelected() { |
284 _container.rect.then((ElementRect rect) { | 282 _container.rect.then((ElementRect rect) { |
285 int translate = -pages.target.value * _computePageSize(rect); | 283 int translate = -pages.target.value * _computePageSize(rect); |
286 scroller.throwTo(translate, 0); | 284 scroller.throwTo(translate, 0); |
287 }); | 285 }); |
288 } | 286 } |
289 } | 287 } |
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