@patternfly/react-core
Version:
This library provides a set of common React components for use with the PatternFly reference implementation.
69 lines • 3.66 kB
JavaScript
import { jsx as _jsx } from "react/jsx-runtime";
import { useEffect, useRef } from 'react';
import { onToggleArrowKeydownDefault, Popper } from '../../helpers';
/**
* Container that links a menu and menu toggle together, to handle basic keyboard input and control the opening and closing of a menu.
*/
export const MenuContainer = ({ menu, menuRef, isOpen, toggle, toggleRef, onOpenChange, onToggleKeydown, zIndex = 9999, popperProps, onOpenChangeKeys = ['Escape', 'Tab'], shouldFocusFirstItemOnOpen = false, shouldPreventScrollOnItemFocus = true, focusTimeoutDelay = 0 }) => {
const prevIsOpen = useRef(isOpen);
useEffect(() => {
// menu was opened, focus on first menu item
if (prevIsOpen.current === false && isOpen === true && shouldFocusFirstItemOnOpen) {
setTimeout(() => {
var _a;
const firstElement = (_a = menuRef === null || menuRef === void 0 ? void 0 : menuRef.current) === null || _a === void 0 ? void 0 : _a.querySelector('li button:not(:disabled),li input:not(:disabled),li a:not([aria-disabled="true"])');
firstElement && firstElement.focus({ preventScroll: shouldPreventScrollOnItemFocus });
}, focusTimeoutDelay);
}
prevIsOpen.current = isOpen;
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [isOpen]);
useEffect(() => {
const handleMenuKeys = (event) => {
var _a, _b, _c, _d;
// Close the menu on tab or escape if onOpenChange is provided
if ((isOpen && onOpenChange && ((_a = menuRef.current) === null || _a === void 0 ? void 0 : _a.contains(event.target))) ||
((_b = toggleRef.current) === null || _b === void 0 ? void 0 : _b.contains(event.target))) {
if (onOpenChangeKeys.includes(event.key)) {
onOpenChange(false);
(_c = toggleRef.current) === null || _c === void 0 ? void 0 : _c.focus();
}
}
if ((_d = toggleRef.current) === null || _d === void 0 ? void 0 : _d.contains(event.target)) {
if (onToggleKeydown) {
onToggleKeydown(event);
}
else if (isOpen) {
onToggleArrowKeydownDefault(event, menuRef);
}
}
};
const handleClick = (event) => {
var _a, _b;
// If the event is not on the toggle and onOpenChange callback is provided, close the menu
if (isOpen && onOpenChange && !((_a = toggleRef === null || toggleRef === void 0 ? void 0 : toggleRef.current) === null || _a === void 0 ? void 0 : _a.contains(event.target))) {
if (isOpen && !((_b = menuRef.current) === null || _b === void 0 ? void 0 : _b.contains(event.target))) {
onOpenChange(false);
}
}
};
window.addEventListener('keydown', handleMenuKeys);
window.addEventListener('click', handleClick);
return () => {
window.removeEventListener('keydown', handleMenuKeys);
window.removeEventListener('click', handleClick);
};
}, [
focusTimeoutDelay,
isOpen,
menuRef,
onOpenChange,
onOpenChangeKeys,
onToggleKeydown,
shouldPreventScrollOnItemFocus,
toggleRef
]);
return (_jsx(Popper, Object.assign({ trigger: toggle, triggerRef: toggleRef, popper: menu, popperRef: menuRef, isVisible: isOpen, zIndex: zIndex }, popperProps)));
};
MenuContainer.displayName = 'MenuContainer';
//# sourceMappingURL=MenuContainer.js.map