Files
mqtt-explorer/app/src/components/ConfirmationDialog.tsx
2019-07-17 09:14:10 +02:00

60 lines
1.9 KiB
TypeScript

import React, { useRef, useCallback, memo } from 'react'
import { ConfirmationRequest } from '../reducers/Global'
import { Dialog, DialogTitle, DialogContent, DialogContentText, DialogActions, Button } from '@material-ui/core'
import { KeyCodes } from '../utils/KeyCodes'
function ConfirmationDialog(props: { confirmationRequests: Array<ConfirmationRequest> }) {
const request = props.confirmationRequests[0]
const yesRef = useRef<HTMLButtonElement>()
const noRef = useRef<HTMLButtonElement>()
const arrowKeyHandler = useCallback((event: KeyboardEvent) => {
const isArrowKey = event.keyCode === KeyCodes.arrow_left || event.keyCode === KeyCodes.arrow_right
if (!isArrowKey) {
return
}
event.stopPropagation()
if (document.activeElement === noRef.current) {
yesRef.current && yesRef.current.focus()
} else {
noRef.current && noRef.current.focus()
}
}, [])
const confirm = React.useCallback(() => {
request && request.callback(true)
}, [request])
const reject = React.useCallback(() => {
request && request.callback(false)
}, [request])
if (!request) {
return null
}
return (
<Dialog
open={true}
onClose={reject}
aria-labelledby="alert-dialog-title"
aria-describedby="alert-dialog-description"
onKeyDown={arrowKeyHandler}
>
<DialogTitle id="alert-dialog-title">{request.title}</DialogTitle>
<DialogContent>
<DialogContentText id="alert-dialog-description">{request.inquiry}</DialogContentText>
</DialogContent>
<DialogActions>
<Button ref={yesRef} variant="contained" onClick={confirm} color="primary" autoFocus>
Yes
</Button>
<Button ref={noRef} variant="contained" onClick={reject} color="secondary">
No
</Button>
</DialogActions>
</Dialog>
)
}
export default memo(ConfirmationDialog)