Created
July 26, 2019 15:57
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React. Call neighbour method
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| import React, { Component } from 'react'; | |
| import { render } from 'react-dom'; | |
| class Parent extends Component { | |
| constructor(props) { | |
| super(props); | |
| this.graphView = React.createRef(); | |
| } | |
| render() { | |
| return ( | |
| <div> | |
| <GraphView ref={this.graphView} /> | |
| <GraphControl graphView={this.graphView} /> | |
| </div> | |
| ); | |
| } | |
| } | |
| class GraphView extends Component { | |
| getGraphViewAlert() { | |
| console.log('Blah!'); | |
| } | |
| render() { | |
| return <h1>GraphView</h1>; | |
| } | |
| } | |
| class GraphControl extends Component { | |
| onClick = () => { | |
| this.props.graphView.current.getGraphViewAlert(); | |
| }; | |
| render() { | |
| return ( | |
| <div> | |
| <h1>GraphControl</h1> | |
| <button onClick={this.onClick}>Click</button> | |
| </div> | |
| ) | |
| } | |
| } | |
| render(<Parent />, document.getElementById('root')); |
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