| // @flow | |
| import * as React from 'react'; | |
| type Props = { | |
| children: React$Node, | |
| style?: Object, | |
| onOutsideClick: Function, | |
| }; | |
| class OutsideAlerter extends React.Component<Props> { | |
| wrapperRef: React$Node; | |
| // iOS bug, see: https://stackoverflow.com/questions/10165141/jquery-on-and-delegate-doesnt-work-on-ipad | |
| componentDidMount() { | |
| // $FlowFixMe | |
| document | |
| .getElementById('root') | |
| .addEventListener('mousedown', this.handleClickOutside); | |
| } | |
| componentWillUnmount() { | |
| // $FlowFixMe | |
| document | |
| .getElementById('root') | |
| .removeEventListener('mousedown', this.handleClickOutside); | |
| } | |
| setWrapperRef = (node: React$Node) => { | |
| this.wrapperRef = node; | |
| }; | |
| /** | |
| * Alert if clicked on outside of element | |
| */ | |
| handleClickOutside = (event: any) => { | |
| // $FlowFixMe | |
| if (this.wrapperRef && !this.wrapperRef.contains(event.target)) { | |
| this.props.onOutsideClick(); | |
| } | |
| }; | |
| render() { | |
| const { style = {}, children } = this.props; | |
| return ( | |
| // $FlowFixMe | |
| <div style={style} ref={this.setWrapperRef}> | |
| {children} | |
| </div> | |
| ); | |
| } | |
| } | |
| export default OutsideAlerter; | |