81 lines
2.5 KiB
JavaScript
81 lines
2.5 KiB
JavaScript
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import * as React from 'react';
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import Popper from '@mui/material/Popper';
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import Typography from '@mui/material/Typography';
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import Fade from '@mui/material/Fade';
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import Paper from '@mui/material/Paper';
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export default function VirtualElementPopper() {
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const [open, setOpen] = React.useState(false);
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const [anchorEl, setAnchorEl] = React.useState(null);
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const previousAnchorElPosition = React.useRef(undefined);
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React.useEffect(() => {
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if (anchorEl) {
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if (typeof anchorEl === 'object') {
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previousAnchorElPosition.current = anchorEl.getBoundingClientRect();
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} else {
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previousAnchorElPosition.current = anchorEl().getBoundingClientRect();
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}
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}
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}, [anchorEl]);
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const handleClose = () => {
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setOpen(false);
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};
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const handleMouseUp = () => {
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const selection = window.getSelection();
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// Resets when the selection has a length of 0
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if (!selection || selection.anchorOffset === selection.focusOffset) {
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handleClose();
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return;
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}
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const getBoundingClientRect = () => {
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if (selection.rangeCount === 0 && previousAnchorElPosition.current) {
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setOpen(false);
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return previousAnchorElPosition.current;
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}
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return selection.getRangeAt(0).getBoundingClientRect();
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};
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setOpen(true);
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setAnchorEl({ getBoundingClientRect });
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};
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const id = open ? 'virtual-element-popper' : undefined;
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return (
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<div onMouseLeave={handleClose}>
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<Typography aria-describedby={id} onMouseUp={handleMouseUp}>
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam ipsum purus,
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bibendum sit amet vulputate eget, porta semper ligula. Donec bibendum
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vulputate erat, ac fringilla mi finibus nec. Donec ac dolor sed dolor
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porttitor blandit vel vel purus. Fusce vel malesuada ligula. Nam quis
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vehicula ante, eu finibus est. Proin ullamcorper fermentum orci, quis finibus
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massa. Nunc lobortis, massa ut rutrum ultrices, metus metus finibus ex, sit
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amet facilisis neque enim sed neque. Quisque accumsan metus vel maximus
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consequat. Suspendisse lacinia tellus a libero volutpat maximus.
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</Typography>
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<Popper
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id={id}
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open={open}
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anchorEl={anchorEl}
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transition
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placement="bottom-start"
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>
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{({ TransitionProps }) => (
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<Fade {...TransitionProps} timeout={350}>
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<Paper>
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<Typography sx={{ p: 2 }}>The content of the Popper.</Typography>
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</Paper>
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</Fade>
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)}
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</Popper>
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</div>
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);
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}
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