Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | import React, { useEffect, useRef, useState } from 'react';
import { TruncateConfig } from './Textfield';
import { Link, Typography, useTheme } from '@mui/material';
interface TruncatedTextAreaProps {
preserveNewlines?: boolean;
truncateConfig: TruncateConfig;
value?: string | number;
}
const TruncatedTextArea = ({ preserveNewlines, truncateConfig, value }: TruncatedTextAreaProps) => {
const { maxHeight, showLessText, showMoreText, showTextStyle, valueTextStyle } = truncateConfig;
const theme = useTheme();
const [showAll, setShowAll] = useState(false);
const [needsTruncating, setNeedsTruncating] = useState(false);
const [totalHeight, setTotalHeight] = useState(0);
const ref = useRef<HTMLParagraphElement>(null);
useEffect(() => {
if (ref && ref.current && !totalHeight) {
const height = ref.current.clientHeight;
setTotalHeight(height);
setNeedsTruncating(height > maxHeight);
}
}, [maxHeight, ref, totalHeight]);
const toggleShowAll = () => setShowAll((prev) => !prev);
const textStyle: Record<string, any> = {
...valueTextStyle,
margin: '8px 0',
padding: 0,
overflow: 'hidden',
width: '100%',
};
if (needsTruncating && !showAll) {
textStyle.maxHeight = `${maxHeight}px`;
}
return (
<>
<p
ref={ref}
className={`textfield-value--display${preserveNewlines ? ' preserve-newlines' : ''}`}
style={textStyle}
>
{value}
</p>
{needsTruncating && (
<div>
<Link
component='button'
onClick={toggleShowAll}
onBlur={() => setShowAll(false)}
sx={{ color: theme.palette.TwClrTxtBrand, textDecorationColor: `${theme.palette.TwClrTxtBrand}80` }}
>
<Typography sx={{ ...showTextStyle, marginTop: '-3px' }}>
{showAll ? showLessText : showMoreText}
</Typography>
</Link>
</div>
)}
</>
);
};
export default TruncatedTextArea;
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