@neo4j-ndl/react
Version:
React implementation of Neo4j Design System
47 lines • 1.82 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 { useCallback, useEffect, useState } from 'react';
export const useTimeZonePickerPopover = (initialState) => {
const [isPopoverOpen, setIsPopoverOpen] = useState(initialState);
return { isPopoverOpen, setIsPopoverOpen };
};
export const useKeyboardNavigation = (optionsLength) => {
const [focusedIndex, setFocusedIndex] = useState(0);
useEffect(() => {
setFocusedIndex(0);
}, [optionsLength]);
const handleArrowNavigation = useCallback((key) => {
if (key === 'ArrowDown') {
setFocusedIndex((prevIndex) => {
const newIndex = (prevIndex + 1) % optionsLength;
return newIndex;
});
}
else if (key === 'ArrowUp') {
setFocusedIndex((prevIndex) => {
const newIndex = (prevIndex - 1 + optionsLength) % optionsLength;
return newIndex;
});
}
}, [optionsLength]);
return { focusedIndex, handleArrowNavigation, setFocusedIndex };
};
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