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import { Box, Link, Typography, useTheme } from '@mui/material';
import { useDeviceInfo } from '../../utils';
import Button from '../Button/Button';
import Icon from '../Icon/Icon';
import { IconName } from '../Icon/icons';
export type FileTemplate = {
text: string;
url: string;
};
export type FileChooserProps = {
/** Optional comma-separated list of MIME types to accept in the chooser. */
acceptFileType?: string;
chooseFileText?: string;
files?: File[];
fileSelectedText?: string;
iconName?: IconName;
maxFiles?: number;
multipleSelection?: boolean;
onChoosingFiles?: () => void;
replaceFileText?: string;
selectedFile?: any;
setFiles: (files: File[]) => void;
template?: FileTemplate;
uploadDescription?: string;
uploadMobileDescription?: string;
uploadText?: string;
};
export default function FileChooser(props: FileChooserProps): JSX.Element {
const {
acceptFileType,
chooseFileText,
files,
fileSelectedText,
iconName,
maxFiles,
multipleSelection,
onChoosingFiles,
replaceFileText,
selectedFile,
setFiles,
template,
uploadDescription,
uploadMobileDescription,
uploadText,
} = props;
const { isMobile } = useDeviceInfo();
const inputRef = useRef<HTMLInputElement>(null);
const theme = useTheme();
const [editing, setEditing] = useState<boolean>(false);
useEffect(() => {
setEditing(!!selectedFile);
}, [selectedFile]);
const addFiles = (fileList: FileList) => {
const newFiles: File[] = [];
for (let i = 0; i < fileList.length; i++) {
const fileItem = fileList.item(i);
if (fileItem) {
newFiles.push(fileItem);
}
}
if (newFiles.length) {
setFiles([...(files ?? []), ...newFiles].slice(0, maxFiles));
}
};
const dropHandler = (event: React.DragEvent<HTMLDivElement>) => {
event.preventDefault();
addFiles(event.dataTransfer.files);
};
const enableDropping = (event: React.DragEvent<HTMLDivElement>) => {
event.preventDefault();
};
const onChooseFileHandler = () => {
inputRef.current?.click();
onChoosingFiles?.();
};
const onFileChosen = (event: React.ChangeEvent<HTMLInputElement>) => {
if (editing) {
setEditing(false);
}
if (event.currentTarget.files) {
addFiles(event.currentTarget.files);
}
};
return (
<Box
onDrop={dropHandler}
onDragOver={enableDropping}
border={`1px dashed ${theme.palette.TwClrBrdrTertiary}`}
borderRadius={theme.spacing(2)}
display='flex'
flexDirection='column'
alignItems='center'
padding={theme.spacing(3)}
sx={{ background: theme.palette.TwClrBg }}
>
{iconName && (
<Icon
name={iconName}
size='xlarge'
style={{
height: '120px',
width: '120px',
}}
/>
)}
<Typography color={theme.palette.TwClrTxt} fontSize={14} fontWeight={600} margin={theme.spacing(0, 0, 1)}>
{!editing && ((files || []).length > 0 && !multipleSelection ? files?.[0].name : uploadText)}
</Typography>
<Typography color={theme.palette.TwClrTxt} fontSize={12} fontWeight={400} margin={0}>
{(editing || (files || []).length > 0) && !multipleSelection
? fileSelectedText
: isMobile && uploadMobileDescription
? uploadMobileDescription
: uploadDescription}
</Typography>
<input
type='file'
ref={inputRef}
onChange={onFileChosen}
accept={acceptFileType}
multiple={multipleSelection || false}
value={''}
style={{ display: 'none' }}
/>
<Button
onClick={onChooseFileHandler}
disabled={maxFiles !== undefined ? (files || []).length >= maxFiles : false}
label={!multipleSelection && ((files || []).length === 1 || editing) ? replaceFileText : chooseFileText}
priority='secondary'
type='passive'
sx={{ marginTop: theme.spacing(3) }}
/>
{template && (
<Link
href={template.url}
target='_blank'
sx={{
color: theme.palette.TwClrTxtBrand,
fontFamily: 'Inter',
fontSize: '12px',
fontWeight: 500,
lineHeight: '16px',
marginTop: theme.spacing(2),
textDecoration: 'none',
'&:hover': {
textDecoration: 'underline',
},
}}
>
{template.text}
</Link>
)}
</Box>
);
}
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