A Pen by Chris Chua on CodePen.
Created
September 21, 2015 06:12
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var Container = React.createClass({ | |
getInitialState: function () { | |
return { | |
contentComponent: ContentA, | |
headerProps: null | |
}; | |
}, | |
_toggleContent: function () { | |
this.setState({ | |
contentComponent: | |
this.state.contentComponent === ContentA ? ContentB : ContentA | |
}); | |
}, | |
setHeaderProps: function (props) { | |
this.setState({ | |
headerProps: props | |
}); | |
}, | |
render: function () { | |
return ( | |
<div> | |
<button onClick={this._toggleContent}>Toggle Content</button> | |
<HeaderContent {...this.state.headerProps} /> | |
<section> | |
<this.state.contentComponent | |
setHeaderProps={this.setHeaderProps} /> | |
</section> | |
</div> | |
); | |
} | |
}); | |
var ContentA = React.createClass({ | |
componentWillMount: function () { | |
this.props.setHeaderProps({ | |
style: { | |
backgroundColor: '#eee' | |
}, | |
content: <button onClick={this._click}>Button from ContentA</button> | |
}); | |
}, | |
_click: function () { | |
this.setState({buttonClicked: true}); | |
}, | |
render: function () { | |
return ( | |
<div> | |
<h2>ContentA</h2> | |
Button clicked?{' '} | |
{this.state && this.state.buttonClicked && 'true' || 'false'} | |
</div> | |
); | |
} | |
}); | |
var ContentB = React.createClass({ | |
componentWillMount: function () { | |
this.props.setHeaderProps({ | |
content: <button onClick={this._click}>Button from ContentB</button> | |
}); | |
}, | |
_click: function () { | |
this.setState({buttonClicked: true}); | |
}, | |
render: function () { | |
return ( | |
<div> | |
<h2>ContentB</h2> | |
Button clicked?{' '} | |
{this.state && this.state.buttonClicked && 'true' || 'false'} | |
</div> | |
); | |
} | |
}); | |
var HeaderContent = React.createClass({ | |
render: function () { | |
return ( | |
<header> | |
<h2>HeaderContent</h2> | |
{this.props.content} | |
</header> | |
); | |
} | |
}); | |
var element = React.createElement(Container); | |
React.render(element, document.body); |
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<script src="https://cdnjs.cloudflare.com/ajax/libs/react/0.13.3/react.min.js"></script> |
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html { | |
font-family: Helvetica Neue; | |
} | |
header, section { | |
border: 1px solid #eee; | |
margin-bottom: 10px; | |
} |
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