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import React, { useState } from 'react';
import { makeStyles } from '@material-ui/core/styles';
import {
CardActionArea,
Typography,
CircularProgress
} from '@material-ui/core';
import { Check, CancelOutlined } from '@material-ui/icons';
import AttachLink from '../../components/AttachLink/AttachLink';
import FileUpload from '../../components/FileUpload/FileUpload';
import BackgroundImage from '../../components/Image/BackgroundImage';
import getLocalFileUrl from '../../utils/getLocalFileUrl';
interface PropTypes {
callback: (file?: File | string) => void;
progress?: number;
}
const useStyles = makeStyles(theme => ({
root: {
width: '50%',
display: 'flex'
},
mediaRoot: {
display: 'flex'
},
uploadRoot: {
flex: 1,
display: 'flex',
[theme.breakpoints.up('md')]: {
padding: theme.spacing(4)
},
[theme.breakpoints.down('sm')]: {
padding: theme.spacing(8, 1)
}
},
outline: {
padding: theme.spacing(2),
flex: 1,
border: '2px dashed gray',
borderRadius: theme.spacing(1),
display: 'flex',
justifyContent: 'center',
flexDirection: 'column',
alignItems: 'center'
},
clearIcon: {
opacity: '.5',
fontSize: 50
},
overlay: {
backgroundColor: 'rgba(0, 0, 0, 0.45)',
color: 'white',
position: 'absolute',
top: 0,
left: 0,
height: '100%',
width: '100%',
display: 'flex',
justifyContent: 'center',
alignItems: 'center',
transitionDuration: '0.5s'
},
invisible: {
backgroundColor: 'rgba(0, 0, 0, 0)'
},
icon: {
color: 'white'
}
}));
const ImageInput: React.FC<PropTypes> = ({ callback, progress }) => {
const classes = useStyles();
const [url, setUrl] = useState<string>();
const handleClear = (): void => {
setUrl(undefined);
callback(undefined);
};
const childrenCallback = (value: File | string) => {
if (value instanceof File) {
getLocalFileUrl(value).then(localUrl => setUrl(localUrl));
} else setUrl(value);
callback(value);
};
const Upload = (
<div className={classes.uploadRoot}>
<div className={classes.outline}>
<FileUpload callback={childrenCallback} />
<Typography variant="h6"> or </Typography>
<AttachLink callback={childrenCallback} />
</div>
</div>
);
const Media = (
<CardActionArea onClick={handleClear} className={classes.mediaRoot} disabled={Boolean(progress)}>
<BackgroundImage src={url} />
<div className={`${classes.overlay} ${progress === 100 && classes.invisible}`}>
{
progress
? progress < 100
? <CircularProgress variant="static" value={progress} className={classes.icon} />
: <Check className={classes.icon} fontSize="large" />
: <CancelOutlined className={classes.icon} fontSize="large" />
}
</div>
</CardActionArea>
);
return (
<div className={classes.root}>
{url ? Media : Upload}
</div>
);
};
export default ImageInput;
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