@neo4j-ndl/react
Version:
React implementation of Neo4j Design System
45 lines • 1.8 kB
JavaScript
/**
*
* Copyright (c) "Neo4j"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { useEffect, useState } from 'react';
export function useTimePickerPopover(openInitially) {
const [isPopoverOpen, setIsPopoverOpen] = useState(openInitially);
return { isPopoverOpen, setIsPopoverOpen };
}
export function useKeyboardNavigation(listRef, maxIndex) {
const [focusedIndex, setFocusedIndex] = useState(0);
const handleArrowNavigation = (key) => {
if (key === 'ArrowDown') {
setFocusedIndex((prev) => (prev + 1) % maxIndex);
}
else if (key === 'ArrowUp') {
setFocusedIndex((prev) => (prev - 1 + maxIndex) % maxIndex);
}
};
useEffect(() => {
var _a, _b;
(_b = (_a = listRef.current) === null || _a === void 0 ? void 0 : _a.children[focusedIndex]) === null || _b === void 0 ? void 0 : _b.scrollIntoView({
block: 'center',
inline: 'nearest',
});
}, [focusedIndex, listRef]);
return { focusedIndex, setFocusedIndex, handleArrowNavigation };
}
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