2016-07-01 05:30:16 +08:00
|
|
|
<!DOCTYPE html>
|
2016-12-13 05:32:00 +08:00
|
|
|
<html style="width: 100%; height: 100%; overflow: hidden">
|
2016-07-01 05:30:16 +08:00
|
|
|
<head>
|
|
|
|
|
<meta charset="utf-8">
|
|
|
|
|
<title>Fiber Example</title>
|
|
|
|
|
</head>
|
|
|
|
|
<body>
|
|
|
|
|
<h1>Fiber Example</h1>
|
|
|
|
|
<div id="container">
|
|
|
|
|
<p>
|
|
|
|
|
To install React, follow the instructions on
|
|
|
|
|
<a href="https://github.com/facebook/react/">GitHub</a>.
|
|
|
|
|
</p>
|
|
|
|
|
<p>
|
|
|
|
|
If you can see this, React is <strong>not</strong> working right.
|
2017-04-05 23:47:29 +08:00
|
|
|
If you checked out the source from GitHub make sure to run <code>npm run build</code>.
|
2016-07-01 05:30:16 +08:00
|
|
|
</p>
|
|
|
|
|
</div>
|
2018-11-24 04:37:18 +08:00
|
|
|
<script src="../../build/node_modules/react/umd/react.development.js"></script>
|
|
|
|
|
<script src="../../build/node_modules/react-dom/umd/react-dom.development.js"></script>
|
2017-04-05 23:47:29 +08:00
|
|
|
<script src="https://unpkg.com/babel-standalone@6/babel.js"></script>
|
2016-12-13 05:32:00 +08:00
|
|
|
<script type="text/babel">
|
|
|
|
|
var dotStyle = {
|
|
|
|
|
position: 'absolute',
|
|
|
|
|
background: '#61dafb',
|
|
|
|
|
font: 'normal 15px sans-serif',
|
|
|
|
|
textAlign: 'center',
|
|
|
|
|
cursor: 'pointer',
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
var containerStyle = {
|
|
|
|
|
position: 'absolute',
|
|
|
|
|
transformOrigin: '0 0',
|
|
|
|
|
left: '50%',
|
|
|
|
|
top: '50%',
|
|
|
|
|
width: '10px',
|
|
|
|
|
height: '10px',
|
|
|
|
|
background: '#eee',
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
var targetSize = 25;
|
|
|
|
|
|
|
|
|
|
class Dot extends React.Component {
|
|
|
|
|
constructor() {
|
|
|
|
|
super();
|
|
|
|
|
this.state = { hover: false };
|
|
|
|
|
}
|
|
|
|
|
enter() {
|
|
|
|
|
this.setState({
|
|
|
|
|
hover: true
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
leave() {
|
|
|
|
|
this.setState({
|
|
|
|
|
hover: false
|
|
|
|
|
});
|
|
|
|
|
}
|
|
|
|
|
render() {
|
|
|
|
|
var props = this.props;
|
|
|
|
|
var s = props.size * 1.3;
|
|
|
|
|
var style = {
|
|
|
|
|
...dotStyle,
|
|
|
|
|
width: s + 'px',
|
|
|
|
|
height: s + 'px',
|
|
|
|
|
left: (props.x) + 'px',
|
|
|
|
|
top: (props.y) + 'px',
|
|
|
|
|
borderRadius: (s / 2) + 'px',
|
|
|
|
|
lineHeight: (s) + 'px',
|
|
|
|
|
background: this.state.hover ? '#ff0' : dotStyle.background
|
|
|
|
|
};
|
|
|
|
|
return (
|
|
|
|
|
<div style={style} onMouseEnter={() => this.enter()} onMouseLeave={() => this.leave()}>
|
|
|
|
|
{this.state.hover ? '*' + props.text + '*' : props.text}
|
|
|
|
|
</div>
|
|
|
|
|
);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2017-10-10 09:39:53 +08:00
|
|
|
class SierpinskiTriangle extends React.Component {
|
|
|
|
|
shouldComponentUpdate(nextProps) {
|
|
|
|
|
var o = this.props;
|
|
|
|
|
var n = nextProps;
|
|
|
|
|
return !(
|
|
|
|
|
o.x === n.x &&
|
|
|
|
|
o.y === n.y &&
|
|
|
|
|
o.s === n.s &&
|
|
|
|
|
o.children === n.children
|
2016-12-13 05:32:00 +08:00
|
|
|
);
|
|
|
|
|
}
|
2017-10-10 09:39:53 +08:00
|
|
|
render() {
|
|
|
|
|
let {x, y, s, children} = this.props;
|
|
|
|
|
if (s <= targetSize) {
|
|
|
|
|
return (
|
|
|
|
|
<Dot
|
|
|
|
|
x={x - (targetSize / 2)}
|
|
|
|
|
y={y - (targetSize / 2)}
|
|
|
|
|
size={targetSize}
|
|
|
|
|
text={children}
|
|
|
|
|
/>
|
|
|
|
|
);
|
|
|
|
|
return r;
|
|
|
|
|
}
|
|
|
|
|
var newSize = s / 2;
|
|
|
|
|
var slowDown = true;
|
|
|
|
|
if (slowDown) {
|
|
|
|
|
var e = performance.now() + 0.8;
|
|
|
|
|
while (performance.now() < e) {
|
|
|
|
|
// Artificially long execution time.
|
|
|
|
|
}
|
2016-12-13 05:32:00 +08:00
|
|
|
}
|
|
|
|
|
|
2017-10-10 09:39:53 +08:00
|
|
|
s /= 2;
|
2016-12-13 05:32:00 +08:00
|
|
|
|
2017-10-10 09:39:53 +08:00
|
|
|
return [
|
|
|
|
|
<SierpinskiTriangle x={x} y={y - (s / 2)} s={s}>
|
|
|
|
|
{children}
|
|
|
|
|
</SierpinskiTriangle>,
|
|
|
|
|
<SierpinskiTriangle x={x - s} y={y + (s / 2)} s={s}>
|
|
|
|
|
{children}
|
|
|
|
|
</SierpinskiTriangle>,
|
|
|
|
|
<SierpinskiTriangle x={x + s} y={y + (s / 2)} s={s}>
|
|
|
|
|
{children}
|
|
|
|
|
</SierpinskiTriangle>,
|
|
|
|
|
];
|
|
|
|
|
}
|
2016-07-01 05:30:16 +08:00
|
|
|
}
|
|
|
|
|
|
2016-12-13 05:32:00 +08:00
|
|
|
class ExampleApplication extends React.Component {
|
|
|
|
|
constructor() {
|
|
|
|
|
super();
|
2017-03-27 00:24:26 +08:00
|
|
|
this.state = {
|
|
|
|
|
seconds: 0,
|
2017-03-28 03:48:05 +08:00
|
|
|
useTimeSlicing: true,
|
2017-03-27 00:24:26 +08:00
|
|
|
};
|
2016-12-13 05:32:00 +08:00
|
|
|
this.tick = this.tick.bind(this);
|
2017-03-28 03:48:05 +08:00
|
|
|
this.onTimeSlicingChange = this.onTimeSlicingChange.bind(this);
|
2016-12-13 05:32:00 +08:00
|
|
|
}
|
|
|
|
|
componentDidMount() {
|
2017-01-03 13:52:48 +08:00
|
|
|
this.intervalID = setInterval(this.tick, 1000);
|
2016-12-13 05:32:00 +08:00
|
|
|
}
|
|
|
|
|
tick() {
|
2017-03-27 00:24:26 +08:00
|
|
|
if (this.state.useTimeSlicing) {
|
|
|
|
|
// Update is time-sliced.
|
2017-04-05 23:47:29 +08:00
|
|
|
ReactDOM.unstable_deferredUpdates(() => {
|
2017-03-28 03:48:05 +08:00
|
|
|
this.setState(state => ({ seconds: (state.seconds % 10) + 1 }));
|
2017-03-27 00:24:26 +08:00
|
|
|
});
|
|
|
|
|
} else {
|
|
|
|
|
// Update is not time-sliced. Causes demo to stutter.
|
2017-03-28 03:48:05 +08:00
|
|
|
this.setState(state => ({ seconds: (state.seconds % 10) + 1 }));
|
2017-03-27 00:24:26 +08:00
|
|
|
}
|
|
|
|
|
}
|
2017-03-28 03:48:05 +08:00
|
|
|
onTimeSlicingChange(value) {
|
|
|
|
|
this.setState(() => ({ useTimeSlicing: value }));
|
2016-12-13 05:32:00 +08:00
|
|
|
}
|
|
|
|
|
componentWillUnmount() {
|
|
|
|
|
clearInterval(this.intervalID);
|
|
|
|
|
}
|
|
|
|
|
render() {
|
|
|
|
|
const seconds = this.state.seconds;
|
|
|
|
|
const elapsed = this.props.elapsed;
|
|
|
|
|
const t = (elapsed / 1000) % 10;
|
|
|
|
|
const scale = 1 + (t > 5 ? 10 - t : t) / 10;
|
|
|
|
|
const transform = 'scaleX(' + (scale / 2.1) + ') scaleY(0.7) translateZ(0.1px)';
|
|
|
|
|
return (
|
2017-03-27 00:24:26 +08:00
|
|
|
<div>
|
2017-03-28 03:48:05 +08:00
|
|
|
<div>
|
|
|
|
|
<h3>Time-slicing</h3>
|
|
|
|
|
<p>Toggle this and observe the effect</p>
|
|
|
|
|
<Toggle
|
|
|
|
|
onLabel="On"
|
|
|
|
|
offLabel="Off"
|
|
|
|
|
onChange={this.onTimeSlicingChange}
|
|
|
|
|
value={this.state.useTimeSlicing}
|
|
|
|
|
/>
|
|
|
|
|
</div>
|
2017-03-27 00:24:26 +08:00
|
|
|
<div style={{ ...containerStyle, transform }}>
|
|
|
|
|
<div>
|
|
|
|
|
<SierpinskiTriangle x={0} y={0} s={1000}>
|
|
|
|
|
{this.state.seconds}
|
|
|
|
|
</SierpinskiTriangle>
|
|
|
|
|
</div>
|
2016-12-13 05:32:00 +08:00
|
|
|
</div>
|
|
|
|
|
</div>
|
|
|
|
|
);
|
|
|
|
|
}
|
|
|
|
|
}
|
2016-07-01 05:30:16 +08:00
|
|
|
|
2017-03-28 03:48:05 +08:00
|
|
|
class Toggle extends React.Component {
|
|
|
|
|
constructor(props) {
|
|
|
|
|
super();
|
|
|
|
|
this.onChange = this.onChange.bind(this);
|
|
|
|
|
}
|
|
|
|
|
onChange(event) {
|
|
|
|
|
this.props.onChange(event.target.value === 'on');
|
|
|
|
|
}
|
|
|
|
|
render() {
|
|
|
|
|
const value = this.props.value;
|
|
|
|
|
return (
|
|
|
|
|
<label onChange={this.onChange}>
|
|
|
|
|
<label>
|
|
|
|
|
{this.props.onLabel}
|
|
|
|
|
<input type="radio" name="value" value="on" checked={value} />
|
|
|
|
|
</label>
|
|
|
|
|
<label>
|
|
|
|
|
{this.props.offLabel}
|
|
|
|
|
<input type="radio" name="value" value="off" checked={!value} />
|
|
|
|
|
</label>
|
|
|
|
|
</label>
|
|
|
|
|
);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2016-07-01 05:30:16 +08:00
|
|
|
var start = new Date().getTime();
|
2016-12-13 05:32:00 +08:00
|
|
|
function update() {
|
2017-04-05 23:47:29 +08:00
|
|
|
ReactDOM.render(
|
2016-12-13 05:32:00 +08:00
|
|
|
<ExampleApplication elapsed={new Date().getTime() - start} />,
|
2016-07-01 05:30:16 +08:00
|
|
|
document.getElementById('container')
|
|
|
|
|
);
|
2016-12-13 05:32:00 +08:00
|
|
|
requestAnimationFrame(update);
|
|
|
|
|
}
|
|
|
|
|
requestAnimationFrame(update);
|
2016-07-01 05:30:16 +08:00
|
|
|
</script>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
