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Side by Side Diff: sky/examples/stocks/lib/stock_arrow.dart

Issue 1043283003: [Effen] s/Node/UINode/, s/Element/WrapperNode/, s/EventTarget/EventListenerNode/ (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 5 years, 8 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 import 'dart:math'; 5 import 'dart:math';
6 import 'package:sky/framework/fn.dart'; 6 import 'package:sky/framework/fn.dart';
7 7
8 class StockArrow extends Component { 8 class StockArrow extends Component {
9 static final Style _style = new Style(''' 9 static final Style _style = new Style('''
10 width: 40px; 10 width: 40px;
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66 double maxPercent = 10.0; 66 double maxPercent = 10.0;
67 return max(0, ((percentChange.abs() / maxPercent) * _kGreenColors.length).fl oor()); 67 return max(0, ((percentChange.abs() / maxPercent) * _kGreenColors.length).fl oor());
68 } 68 }
69 69
70 String _colorForPercentChange(double percentChange) { 70 String _colorForPercentChange(double percentChange) {
71 if (percentChange > 0) 71 if (percentChange > 0)
72 return _kGreenColors[_colorIndexForPercentChange(percentChange)]; 72 return _kGreenColors[_colorIndexForPercentChange(percentChange)];
73 return _kRedColors[_colorIndexForPercentChange(percentChange)]; 73 return _kRedColors[_colorIndexForPercentChange(percentChange)];
74 } 74 }
75 75
76 Node build() { 76 UINode build() {
77 String border = _colorForPercentChange(percentChange).toString(); 77 String border = _colorForPercentChange(percentChange).toString();
78 bool up = percentChange > 0; 78 bool up = percentChange > 0;
79 String type = up ? 'bottom' : 'top'; 79 String type = up ? 'bottom' : 'top';
80 80
81 return new Container( 81 return new Container(
82 inlineStyle: 'border-color: $border', 82 inlineStyle: 'border-color: $border',
83 style: _style, 83 style: _style,
84 children: [ 84 children: [
85 new Container( 85 new Container(
86 inlineStyle: 'border-$type-color: $border', 86 inlineStyle: 'border-$type-color: $border',
87 style: up ? _upStyle : _downStyle 87 style: up ? _upStyle : _downStyle
88 ) 88 )
89 ] 89 ]
90 ); 90 );
91 } 91 }
92 } 92 }
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