[英]React not closing dialog box
我使用 materialUI 单击菜单项,然后打开一个对话框(子组件),但是在对话框打开后它似乎不会关闭并且不会更新noticeModal
的数据。 没有抛出任何错误,我相信这与使用useEffect
为初始 state 设置setNoticeModal(props.open)
有关。 我已经尝试删除useEffect()
并将props.open
扔到默认的noticeModal
useDate()
中,但是在这样做之后,我的对话框将不再打开。 我在这里看什么?
假日设置.js
...
const [dialogOpen, setDialogOpen] = React.useState(false);
const handleDialogOpen = (dataElement) => {
setDialogData(dataElement);
setDialogOpen(true);
setOpen(false);
}
...
<ClickAwayListener onClickAway={handleClose}>
<MenuList autoFocusItem={open} id="menu-list-grow" onKeyDown={handleListKeyDown}>
<MenuItem onClick={handleDialogOpen}>Add Holiday</MenuItem>
</MenuList>
</ClickAwayListener>
...
<div className="card-body">
<div className="row">
<div className="text-left col-12">
<Styles>
<Table columns={columns} data={data} />
<HolidayDialog open={dialogOpen} onClose={handleDialogClose} data={dialogData}/>
</Styles>
</div>
</div>
</div>
...
假日对话.js
const HolidayDialog = (props) => {
const [noticeModal, setNoticeModal] = useState(false);
const [selectedDate, setSelectedDate] = useState(new Date());
const [holidayData, setHolidayData] = useState(props.data);
useEffect(() => {
setNoticeModal(props.open)
});
const handleDateChange = (date) => {
setSelectedDate(date);
};
const handleClose = () => {
setNoticeModal(false);
console.log(noticeModal);
};
const handleChange = (e) => {
const { name, checked } = e.target;
setHolidayData((prevState) => ({ ...prevState, [name]: checked }));
};
const updateValues = (e) => {
const { name, value } = e.target;
setHolidayData((prevState) => ({ ...prevState, [name]: value }));
}
return (
<Dialog
open={noticeModal}
TransitionComponent={Transition}
keepMounted
onClose={handleClose}
aria-labelledby="notice-modal-slide-title"
aria-describedby="notice-modal-slide-description"
>
<DialogTitle id="customized-dialog-title" onClose={handleClose}>
{holidayData.HolidayName ? holidayData.HolidayName : 'Create New Holiday'}
</DialogTitle>
<DialogContent dividers>
<form noValidate autoComplete="off">
<div className="row">
<div className="col">
<TextField required name="HolidayName" id="outlined-basic" label="Holiday Name" variant="outlined" onChange={updateValues} value={holidayData.HolidayName || ''}/>
</div>
<div className="col">
<TextField id="outlined-basic" name="Branch" label="Branch" variant="outlined" onChange={updateValues} value={holidayData.Branch || 'ALL'}/>
</div>
</div>
<div className="row mt-3">
<div className="col">
<MuiPickersUtilsProvider utils={DateFnsUtils}>
<KeyboardDatePicker
disableToolbar
variant="inline"
format="MM/dd/yyyy"
margin="normal"
id="date-picker-inline"
label="Date picker inline"
value={selectedDate}
onChange={handleDateChange}
KeyboardButtonProps={{
'aria-label': 'change date',
}}
/>
</MuiPickersUtilsProvider>
</div>
<div className="col">
<TextField id="outlined-basic" name="Hours" label="Hours" variant="outlined" onChange={updateValues} value={holidayData.Hours || 'Closed'}/>
</div>
</div>
<div className="row mt-3">
<div className="col d-flex flex-column">
<FormControlLabel
control={
<Checkbox
checked={holidayData.Web || false}
value={holidayData.Web}
onChange={handleChange}
name="Web"
color="primary"
/>
}
label="Show on Web?"
/>
<FormControlLabel
control={
<Checkbox
checked={holidayData.CoOp || false}
value={holidayData.CoOp}
onChange={handleChange}
name="CoOp"
color="primary"
/>
}
label="CoOp Holiday?"
/>
</div>
<div className="col d-flex flex-column">
<FormControlLabel
control={
<Checkbox
checked={holidayData.Phone || false}
value={holidayData.Phone}
onChange={handleChange}
name="Phone"
color="primary"
/>
}
label="Use in IVR?"
/>
<FormControlLabel
control={
<Checkbox
checked={holidayData.Active || true}
value={holidayData.Active}
onChange={handleChange}
disabled
name="Active"
color="primary"
/>
}
label="Active"
/>
</div>
</div>
</form>
</DialogContent>
<DialogActions>
<Button autoFocus onClick={handleClose} color="default">
Cancel
</Button>
<Button autoFocus onClick={handleClose} color="primary">
Create Holiday
</Button>
</DialogActions>
</Dialog>
)
}
export default HolidayDialog;
你能试试这个吗?
我假设props.onClose在父级( holidaySettings )上将 dialogOpen 设置为false
const handleClose = () => {
props.onClose()
};
如果props.onClose没有在父级( holidaySettings )上将dialogOpen设置为false 。您可以添加将dialogOpen设置为 false 的 close 属性。
<HolidayDialog open={dialogOpen} close={()=>setDialogOpen(false);} onClose={handleDialogClose} data={dialogData}/>
const handleClose = () => {
props.close()
};
并将props.open传递给 Dialog
<Dialog
open={props.open}
/>
您没有为useEffect
提供任何依赖项,因此它在每次重新渲染时都会运行。 在您的 useEffect 中,您正在切换模式并因此切换问题。
useEffect(() => {
setNoticeModal(props.open)
});//<---- issue - missing dependency
解决方案 - 将依赖项作为props.open
传递。 这使得 useEffect 仅在 props.open 更改时运行。
useEffect(() => {
setNoticeModal(props.open)
}, [props.open]); //<----- props.open
在 useEffect 中,您将noticeModal
值重置为props.open
,我认为这是真的吗?
我相信您要做的是设置noticeModal的初始值。 尝试更改为下面的代码并删除 useEffect
const [noticeModal, setNoticeModal] = useState(props.open);
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