blob: 0b6bb606479bc7dfe97c1f1f30bc232015725969 [file] [log] [blame]
// Copyright 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.
import 'dart:sky' as sky;
import 'package:sky/base/scheduler.dart' as scheduler;
import 'package:sky/rendering.dart';
import 'package:sky/widgets.dart';
import '../rendering/solid_color_box.dart';
// Solid colour, RenderObject version
void addFlexChildSolidColor(RenderFlex parent, sky.Color backgroundColor, { int flex: 0 }) {
RenderSolidColorBox child = new RenderSolidColorBox(backgroundColor);
parent.add(child);
child.parentData.flex = flex;
}
// Solid colour, Widget version
class Rectangle extends Component {
Rectangle(this.color, { Key key }) : super(key: key);
final Color color;
Widget build() {
return new Flexible(
child: new Container(
decoration: new BoxDecoration(backgroundColor: color)
)
);
}
}
Widget builder() {
return new Flex([
new Rectangle(const Color(0xFF00FFFF)),
new Container(
padding: new EdgeDims.all(10.0),
margin: new EdgeDims.all(10.0),
decoration: new BoxDecoration(backgroundColor: const Color(0xFFCCCCCC)),
child: new RaisedButton(
child: new Flex([
new NetworkImage(src: "https://www.dartlang.org/logos/dart-logo.png"),
new Text('PRESS ME'),
]),
onPressed: () => print("Hello World")
)
),
new Rectangle(const Color(0xFFFFFF00)),
],
direction: FlexDirection.vertical,
justifyContent: FlexJustifyContent.spaceBetween
);
}
double timeBase;
RenderTransform transformBox;
void rotate(double timeStamp) {
if (timeBase == null)
timeBase = timeStamp;
double delta = (timeStamp - timeBase) / 1000; // radians
transformBox.setIdentity();
transformBox.translate(transformBox.size.width / 2.0, transformBox.size.height / 2.0);
transformBox.rotateZ(delta);
transformBox.translate(-transformBox.size.width / 2.0, -transformBox.size.height / 2.0);
}
void main() {
// Because we're going to use Widgets, we want to initialise its
// SkyBinding, not use the default one. We don't really need to do
// this, because RenderBoxToWidgetAdapter does it for us, but
// it's good practice in case we happen to not have a
// RenderBoxToWidgetAdapter in our tree at startup, or in case we
// want a renderViewOverride.
WidgetSkyBinding.initWidgetSkyBinding();
RenderFlex flexRoot = new RenderFlex(direction: FlexDirection.vertical);
RenderProxyBox proxy = new RenderProxyBox();
new RenderBoxToWidgetAdapter(proxy, builder); // adds itself to proxy
addFlexChildSolidColor(flexRoot, const sky.Color(0xFFFF00FF), flex: 1);
flexRoot.add(proxy);
addFlexChildSolidColor(flexRoot, const sky.Color(0xFF0000FF), flex: 1);
transformBox = new RenderTransform(child: flexRoot, transform: new Matrix4.identity());
RenderPadding root = new RenderPadding(padding: new EdgeDims.all(80.0), child: transformBox);
SkyBinding.instance.root = root;
scheduler.addPersistentFrameCallback(rotate);
}