72 lines
1.7 KiB
TypeScript
72 lines
1.7 KiB
TypeScript
import {
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Button,
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Dialog,
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DialogActions,
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DialogContent,
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DialogContentText,
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DialogTitle,
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} from "@mui/material";
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import React, { PropsWithChildren } from "react";
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type AlertContext = (message: string, title?: string) => Promise<void>;
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const AlertContextK = React.createContext<AlertContext | null>(null);
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export function AlertDialogProvider(p: PropsWithChildren): React.ReactElement {
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const [open, setOpen] = React.useState(false);
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const [title, setTitle] = React.useState<string | undefined>(undefined);
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const [message, setMessage] = React.useState("");
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const cb = React.useRef<null | (() => void)>(null);
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const handleClose = () => {
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setOpen(false);
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if (cb.current !== null) cb.current();
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cb.current = null;
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};
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const hook: AlertContext = (message, title) => {
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setTitle(title);
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setMessage(message);
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setOpen(true);
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return new Promise((res) => {
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cb.current = res;
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});
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};
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return (
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<>
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<AlertContextK.Provider value={hook}>{p.children}</AlertContextK.Provider>
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<Dialog
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open={open}
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onClose={handleClose}
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aria-labelledby="alert-dialog-title"
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aria-describedby="alert-dialog-description"
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>
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{title && <DialogTitle id="alert-dialog-title">{title}</DialogTitle>}
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<DialogContent>
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<DialogContentText
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id="alert-dialog-description"
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style={{ whiteSpace: "pre" }}
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>
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{message}
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</DialogContentText>
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</DialogContent>
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<DialogActions>
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<Button onClick={handleClose} autoFocus>
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Ok
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</Button>
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</DialogActions>
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</Dialog>
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</>
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);
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}
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export function useAlert(): AlertContext {
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return React.useContext(AlertContextK)!;
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}
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