lbry-desktop/ui/component/expandable/view.jsx
2019-11-22 16:45:33 -05:00

48 lines
1.1 KiB
JavaScript

// @flow
import React, { useRef, useState } from 'react';
import classnames from 'classnames';
import Button from 'component/button';
import { useRect } from '@reach/rect';
const COLLAPSED_HEIGHT = 120;
type Props = {
children: React$Node | Array<React$Node>,
};
export default function Expandable(props: Props) {
const [expanded, setExpanded] = useState(false);
const { children } = props;
const ref = useRef();
const rect = useRect(ref);
function handleClick() {
setExpanded(!expanded);
}
return (
<div ref={ref}>
{rect && rect.height > COLLAPSED_HEIGHT ? (
<div ref={ref}>
<div
className={classnames({
'expandable--open': expanded,
'expandable--closed': !expanded,
})}
>
{children}
</div>
<Button
button="link"
className="expandable__button"
label={expanded ? __('Less') : __('More')}
onClick={handleClick}
/>
</div>
) : (
<div>{children}</div>
)}
</div>
);
}