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1 part of stocksapp; | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 import 'package:sky/framework/animation/scroll_behavior.dart'; |
| 6 import 'package:sky/framework/components/fixed_height_scrollable.dart'; |
| 7 import 'package:sky/framework/fn.dart'; |
| 8 import 'stock_data.dart'; |
| 9 import 'stock_row.dart'; |
2 | 10 |
3 class Stocklist extends FixedHeightScrollable { | 11 class Stocklist extends FixedHeightScrollable { |
4 String query; | 12 String query; |
5 List<Stock> stocks; | 13 List<Stock> stocks; |
6 | 14 |
7 Stocklist({ | 15 Stocklist({ |
8 Object key, | 16 Object key, |
9 this.stocks, | 17 this.stocks, |
10 this.query | 18 this.query |
11 }) : super(key: key, scrollBehavior: new OverscrollBehavior()); | 19 }) : super(key: key, scrollBehavior: new OverscrollBehavior()); |
12 | 20 |
13 List<Node> buildItems(int start, int count) { | 21 List<Node> buildItems(int start, int count) { |
14 return stocks | 22 return stocks |
15 .skip(start) | 23 .skip(start) |
16 .where((stock) => query == null || stock.symbol.contains( | 24 .where((stock) => query == null || stock.symbol.contains( |
17 new RegExp(query, caseSensitive: false))) | 25 new RegExp(query, caseSensitive: false))) |
18 .take(count) | 26 .take(count) |
19 .map((stock) => new StockRow(stock: stock)) | 27 .map((stock) => new StockRow(stock: stock)) |
20 .toList(growable: false); | 28 .toList(growable: false); |
21 } | 29 } |
22 } | 30 } |
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