129 lines
3.9 KiB
JavaScript
129 lines
3.9 KiB
JavaScript
import PropTypes from 'prop-types';
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import { useCallback, useEffect, useRef, useState } from 'react';
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import classNames from 'classnames';
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import { supportsPassiveEvents } from 'detect-passive-events';
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import InfoIcon from '@/material-icons/400-24px/info.svg?react';
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import { Icon } from 'mastodon/components/icon';
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const listenerOptions = supportsPassiveEvents ? { passive: true, capture: true } : true;
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export const PrivacyDropdownMenu = ({ style, items, value, onClose, onChange }) => {
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const nodeRef = useRef(null);
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const focusedItemRef = useRef(null);
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const [currentValue, setCurrentValue] = useState(value);
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const handleDocumentClick = useCallback((e) => {
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if (nodeRef.current && !nodeRef.current.contains(e.target)) {
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onClose();
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e.stopPropagation();
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}
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}, [nodeRef, onClose]);
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const handleClick = useCallback((e) => {
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const value = e.currentTarget.getAttribute('data-index');
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e.preventDefault();
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onClose();
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onChange(value);
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}, [onClose, onChange]);
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const handleKeyDown = useCallback((e) => {
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const value = e.currentTarget.getAttribute('data-index');
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const index = items.findIndex(item => (item.value === value));
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let element = null;
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switch (e.key) {
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case 'Escape':
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onClose();
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break;
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case ' ':
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case 'Enter':
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handleClick(e);
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break;
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case 'ArrowDown':
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element = nodeRef.current.childNodes[index + 1] || nodeRef.current.firstChild;
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break;
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case 'ArrowUp':
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element = nodeRef.current.childNodes[index - 1] || nodeRef.current.lastChild;
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break;
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case 'Tab':
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if (e.shiftKey) {
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element = nodeRef.current.childNodes[index + 1] || nodeRef.current.firstChild;
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} else {
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element = nodeRef.current.childNodes[index - 1] || nodeRef.current.lastChild;
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}
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break;
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case 'Home':
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element = nodeRef.current.firstChild;
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break;
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case 'End':
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element = nodeRef.current.lastChild;
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break;
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}
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if (element) {
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element.focus();
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setCurrentValue(element.getAttribute('data-index'));
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e.preventDefault();
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e.stopPropagation();
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}
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}, [nodeRef, items, onClose, handleClick, setCurrentValue]);
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useEffect(() => {
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document.addEventListener('click', handleDocumentClick, { capture: true });
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document.addEventListener('touchend', handleDocumentClick, listenerOptions);
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focusedItemRef.current?.focus({ preventScroll: true });
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return () => {
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document.removeEventListener('click', handleDocumentClick, { capture: true });
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document.removeEventListener('touchend', handleDocumentClick, listenerOptions);
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};
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}, [handleDocumentClick]);
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return (
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<ul style={{ ...style }} role='listbox' ref={nodeRef}>
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{items.map(item => (
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<li
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role='option'
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tabIndex={0}
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key={item.value}
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data-index={item.value}
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onKeyDown={handleKeyDown}
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onClick={handleClick}
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className={classNames('privacy-dropdown__option', { active: item.value === currentValue })}
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aria-selected={item.value === currentValue}
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ref={item.value === currentValue ? focusedItemRef : null}
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>
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<div className='privacy-dropdown__option__icon'>
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<Icon id={item.icon} icon={item.iconComponent} />
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</div>
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<div className='privacy-dropdown__option__content'>
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<strong>{item.text}</strong>
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{item.meta}
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</div>
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{item.extra && (
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<div className='privacy-dropdown__option__additional' title={item.extra}>
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<Icon id='info-circle' icon={InfoIcon} />
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</div>
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)}
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</li>
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))}
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</ul>
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);
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};
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PrivacyDropdownMenu.propTypes = {
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style: PropTypes.object,
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items: PropTypes.array.isRequired,
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value: PropTypes.string.isRequired,
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onClose: PropTypes.func.isRequired,
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onChange: PropTypes.func.isRequired,
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};
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