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| 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 'dart:sky' as sky; |
| 6 import 'package:sky/framework/app.dart'; |
| 7 import 'package:sky/framework/layout2.dart'; |
| 8 |
| 9 class RenderSolidColor extends RenderDecoratedBox { |
| 10 final sky.Size desiredSize; |
| 11 final int backgroundColor; |
| 12 |
| 13 RenderSolidColor(int backgroundColor, { this.desiredSize: const sky.Size.infin
ite() }) |
| 14 : backgroundColor = backgroundColor, |
| 15 super(decoration: new BoxDecoration(backgroundColor: backgroundColor)) { |
| 16 } |
| 17 |
| 18 BoxDimensions getIntrinsicDimensions(BoxConstraints constraints) { |
| 19 return new BoxDimensions.withConstraints(constraints, |
| 20 width: desiredSize.width, |
| 21 height: desiredSize.height); |
| 22 } |
| 23 |
| 24 void performLayout() { |
| 25 size = constraints.constrain(desiredSize); |
| 26 } |
| 27 |
| 28 void handlePointer(sky.PointerEvent event) { |
| 29 if (event.type == 'pointerdown') |
| 30 decoration = new BoxDecoration(backgroundColor: 0xFFFF0000); |
| 31 else if (event.type == 'pointerup') |
| 32 decoration = new BoxDecoration(backgroundColor: backgroundColor); |
| 33 } |
| 34 } |
| 35 |
| 36 AppView app; |
| 37 |
| 38 void main() { |
| 39 RenderFlex flexRoot = new RenderFlex(direction: FlexDirection.Vertical); |
| 40 |
| 41 RenderNode root = new RenderDecoratedBox( |
| 42 decoration: new BoxDecoration(backgroundColor: 0xFF000000), |
| 43 child: flexRoot |
| 44 ); |
| 45 |
| 46 void addFlexChildSolidColor(RenderFlex parent, int backgroundColor, { int flex
: 0 }) { |
| 47 RenderNode child = new RenderSolidColor(backgroundColor); |
| 48 parent.add(child); |
| 49 child.parentData.flex = flex; |
| 50 } |
| 51 |
| 52 // Yellow bar at top |
| 53 addFlexChildSolidColor(flexRoot, 0xFFFFFF00, flex: 1); |
| 54 |
| 55 // Turquoise box |
| 56 flexRoot.add(new RenderSolidColor(0x7700FFFF, desiredSize: new sky.Size(100.0,
100.0))); |
| 57 |
| 58 // Green and cyan render block with padding |
| 59 var renderBlock = new RenderBlock(); |
| 60 |
| 61 renderBlock.add(new RenderSolidColor(0xFF00FF00, desiredSize: new sky.Size(100
.0, 50.0))); |
| 62 renderBlock.add(new RenderSolidColor(0x7700FFFF, desiredSize: new sky.Size(50.
0, 100.0))); |
| 63 |
| 64 var renderDecoratedBlock = new RenderDecoratedBox( |
| 65 decoration: new BoxDecoration(backgroundColor: 0xFFFFFFFF), |
| 66 child: renderBlock |
| 67 ); |
| 68 |
| 69 flexRoot.add(new RenderPadding(const EdgeDims(10.0, 10.0, 10.0, 10.0), renderD
ecoratedBlock)); |
| 70 |
| 71 var row = new RenderFlex(direction: FlexDirection.Horizontal); |
| 72 |
| 73 // Purple and blue cells |
| 74 addFlexChildSolidColor(row, 0x77FF00FF, flex: 1); |
| 75 addFlexChildSolidColor(row, 0xFF0000FF, flex: 2); |
| 76 |
| 77 var decoratedRow = new RenderDecoratedBox( |
| 78 decoration: new BoxDecoration(backgroundColor: 0xFF333333), |
| 79 child: row |
| 80 ); |
| 81 |
| 82 flexRoot.add(decoratedRow); |
| 83 decoratedRow.parentData.flex = 3; |
| 84 |
| 85 app = new AppView(root); |
| 86 |
| 87 } |
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