@neo4j-ndl/react
Version:
React implementation of Neo4j Design System
96 lines • 4.24 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ButtonGroup = void 0;
const jsx_runtime_1 = require("react/jsx-runtime");
/**
*
* 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/>.
*/
const react_1 = __importStar(require("react"));
const ButtonGroup = ({ children }) => {
const [selectedIndex, setSelectedIndex] = (0, react_1.useState)(0);
const parentRef = (0, react_1.useRef)(null);
const focusElement = (index) => {
var _a, _b;
const child = (_b = (_a = parentRef.current) === null || _a === void 0 ? void 0 : _a.children[index]) === null || _b === void 0 ? void 0 : _b.children[0];
if (child instanceof HTMLElement) {
child.focus();
}
};
const childrenCount = (0, react_1.useMemo)(() => react_1.default.Children.count(children), [children]);
const safeSetSelectedIndex = (0, react_1.useCallback)((index) => {
if (index >= childrenCount) {
setSelectedIndex(childrenCount - 1);
}
else {
setSelectedIndex(Math.max(0, index));
}
}, [childrenCount, setSelectedIndex]);
const handleKeyDown = (event) => {
let newIndx = selectedIndex;
if (event.key === 'ArrowRight' || event.key === 'ArrowDown') {
newIndx = (selectedIndex + 1) % react_1.default.Children.count(children);
safeSetSelectedIndex(newIndx);
}
else if (event.key === 'ArrowLeft' || event.key === 'ArrowUp') {
newIndx =
(selectedIndex - 1 + react_1.default.Children.count(children)) %
react_1.default.Children.count(children);
safeSetSelectedIndex(newIndx);
}
// set focus to new button
focusElement(newIndx);
};
return (
// eslint-disable-next-line jsx-a11y/no-noninteractive-element-interactions
(0, jsx_runtime_1.jsx)("ul", { onKeyDown: (e) => handleKeyDown(e), ref: parentRef, style: { all: 'inherit', listStyleType: 'none' }, children: react_1.default.Children.map(children, (child, index) => {
if (!react_1.default.isValidElement(child)) {
return null;
}
const clonedElement = (0, react_1.cloneElement)(child, {
tabIndex: selectedIndex === index ? 0 : -1,
});
return (0, jsx_runtime_1.jsx)("li", { children: clonedElement }, index);
}) }));
};
exports.ButtonGroup = ButtonGroup;
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