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import ExpandMoreOutlinedIcon from "@mui/icons-material/ExpandMoreOutlined";
import {
Box,
FormControl,
ListItemIcon,
ListItemText,
MenuItem,
Select,
SelectChangeEvent,
Stack,
styled,
useMediaQuery,
} from "@mui/material";
import { useAuthContext } from "features/auth/AuthProvider";
import { Empty } from "google-protobuf/google/protobuf/empty_pb";
import { RpcError } from "grpc-web";
import { useTranslation } from "i18n";
import { LANGUAGE_MAP } from "i18n/constants";
import { GLOBAL } from "i18n/namespaces";
import { useRouter } from "next/router"; // we'll use this to reload the components w/ changed languages
import { useMutation } from "react-query";
import { service } from "service";
import { theme } from "theme";
interface StyledMuiSelectProps {
displayMode?: "round" | "rect";
}
const StyledSelect = styled(Select, {
shouldForwardProp: (prop) => prop !== "displayMode",
})<StyledMuiSelectProps>(({ theme, displayMode }) => ({
borderRadius: displayMode === "round" ? 999 : theme.shape.borderRadius,
"& .MuiSelect-icon": {
color: theme.palette.text.primary,
fontSize: "1.25rem",
top: "50%",
transform: "translateY(-50%)",
right: 10,
},
height: 41.25,
}));
type LanguagePickerSelectProps = {
displayMode?: "round" | "rect";
};
export default function LanguagePickerSelect({
displayMode = "round",
}: LanguagePickerSelectProps) {
const router = useRouter();
const { asPath, locale, pathname } = router;
const { authState } = useAuthContext();
const isAuthenticated = authState.authenticated;
const isMobile = useMediaQuery(theme.breakpoints.down("md"));
const { t } = useTranslation([GLOBAL]);
const { mutate: changeLanguageMutation } = useMutation<
Empty,
RpcError,
string
>((newLanguage: string) => service.account.changeLanguage(newLanguage));
const handleChange = async (event: SelectChangeEvent<unknown>) => {
const newLocale = event.target.value as string;
if (isAuthenticated) {
await changeLanguageMutation(newLocale);
}
// Push new route with updated locale, keep the current asPath for display
router.push({ pathname }, asPath, { locale: newLocale });
};
const renderFlag = (flagCode: string) => (
<img
alt={`${flagCode} flag`}
src={`https://cdn.couchers.org/img/language-icons/${flagCode}.svg`}
style={{ width: 25 }}
/>
);
const menuItems: React.ReactNode[] = Object.entries(LANGUAGE_MAP).map(
([languageCode, { flagIconCode }]) => {
return (
<MenuItem
key={languageCode}
value={languageCode}
sx={{
display: "flex",
alignItems: "center",
gap: theme.spacing(1),
"& .Mui-selected": {
backgroundColor: theme.palette.action.selected,
},
"& .Mui-selected:hover": {
backgroundColor: theme.palette.action.hover,
},
}}
>
<Stack
sx={{ width: "100%" }}
direction="row"
alignItems="center"
justifyContent="space-between"
>
<Stack direction="row">
<ListItemIcon>{renderFlag(flagIconCode)}</ListItemIcon>
<ListItemText
sx={{
color: "#666666",
fontWeight: "bold",
display: "inline",
}}
>
{languageCode.toUpperCase()}
</ListItemText>
</Stack>
<div>
{locale === languageCode && (
<CheckIcon fontSize="small" sx={{ color: "#00a69a" }} />
)}
</div>
</Stack>
</MenuItem>
);
},
);
// renderValue function for what should be rendered after a selection is made
const renderValue = (value: unknown) => {
const selected = value as string;
const selectedDisplay = (
<Box
sx={{
display: "flex",
alignItems: "center",
gap: 1,
pl: 1,
color: "#666666",
fontWeight: "bold",
}}
>
{renderFlag(LANGUAGE_MAP[selected].flagIconCode)}
{selected.toUpperCase()}
</Box>
);
return selectedDisplay;
};
return (
<Box sx={{ minWidth: 40 }}>
<FormControl
variant="outlined"
sx={{
width:
displayMode === "round"
? "fit-content"
: !isMobile
? "241px"
: "100%",
}}
>
{displayMode === "round" ? (
<StyledSelect
id="language-select"
value={locale || ""}
displayMode={displayMode}
onChange={handleChange}
// Use renderValue to display the selected language in collapsed state
renderValue={renderValue}
IconComponent={ExpandMoreOutlinedIcon}
>
{menuItems}
</StyledSelect>
) : (
<StyledSelect
id="newLanguage"
displayMode={displayMode}
value={locale}
placeholder={t("global:language_preference.select_language")}
fullWidth={isMobile}
onChange={handleChange}
>
{menuItems}
</StyledSelect>
)}
</FormControl>
</Box>
);
}
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