@patternfly/react-core
Version:
This library provides a set of common React components for use with the PatternFly reference implementation.
140 lines • 7.9 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.NavItem = void 0;
const tslib_1 = require("tslib");
const React = tslib_1.__importStar(require("react"));
const nav_1 = tslib_1.__importDefault(require("@patternfly/react-styles/css/components/Nav/nav"));
const react_styles_1 = require("@patternfly/react-styles");
const Nav_1 = require("./Nav");
const PageSidebar_1 = require("../Page/PageSidebar");
const helpers_1 = require("../../helpers");
const Popper_1 = require("../../helpers/Popper/Popper");
const angle_right_icon_1 = tslib_1.__importDefault(require("@patternfly/react-icons/dist/esm/icons/angle-right-icon"));
const NavItem = (_a) => {
var { children, styleChildren = true, className, to, isActive = false, groupId = null, itemId = null, preventDefault = false, onClick, component = 'a', flyout, onShowFlyout, ouiaId, ouiaSafe, zIndex = 9999, hasNavLinkWrapper } = _a, props = tslib_1.__rest(_a, ["children", "styleChildren", "className", "to", "isActive", "groupId", "itemId", "preventDefault", "onClick", "component", "flyout", "onShowFlyout", "ouiaId", "ouiaSafe", "zIndex", "hasNavLinkWrapper"]);
const { flyoutRef, setFlyoutRef, navRef } = React.useContext(Nav_1.NavContext);
const { isSidebarOpen } = React.useContext(PageSidebar_1.PageSidebarContext);
const [flyoutTarget, setFlyoutTarget] = React.useState(null);
const [isHovered, setIsHovered] = React.useState(false);
const ref = React.useRef();
const flyoutVisible = ref === flyoutRef;
const popperRef = React.useRef();
const hasFlyout = flyout !== undefined;
const Component = hasFlyout ? 'button' : component;
// A NavItem should not be both a link and a flyout
if (to && hasFlyout) {
// eslint-disable-next-line no-console
console.error('NavItem cannot have both "to" and "flyout" props.');
}
const showFlyout = (show, override) => {
if ((!flyoutVisible || override) && show) {
setFlyoutRef(ref);
}
else if ((flyoutVisible || override) && !show) {
setFlyoutRef(null);
}
onShowFlyout && show && onShowFlyout();
};
const onMouseOver = (event) => {
const evtContainedInFlyout = event.target.closest(`.${nav_1.default.navItem}.pf-m-flyout`);
if (hasFlyout && !flyoutVisible) {
showFlyout(true);
}
else if (flyoutRef !== null && !evtContainedInFlyout) {
setFlyoutRef(null);
}
};
const onFlyoutClick = (event) => {
const target = event.target;
const closestItem = target.closest('.pf-m-flyout');
if (!closestItem) {
if (hasFlyout) {
showFlyout(false, true);
}
else if (flyoutRef !== null) {
setFlyoutRef(null);
}
}
};
const handleFlyout = (event) => {
var _a, _b;
const key = event.key;
const target = event.target;
if ((key === ' ' || key === 'Enter' || key === 'ArrowRight') && hasFlyout && ((_a = ref === null || ref === void 0 ? void 0 : ref.current) === null || _a === void 0 ? void 0 : _a.contains(target))) {
event.stopPropagation();
event.preventDefault();
if (!flyoutVisible) {
showFlyout(true);
setFlyoutTarget(target);
}
}
// We only want the NavItem to handle closing a flyout menu if only the first level flyout is open.
// Otherwise, MenuItem should handle closing its flyouts
if ((key === 'Escape' || key === 'ArrowLeft') &&
((_b = popperRef === null || popperRef === void 0 ? void 0 : popperRef.current) === null || _b === void 0 ? void 0 : _b.querySelectorAll(`.${nav_1.default.menu}`).length) === 1) {
if (flyoutVisible) {
event.stopPropagation();
event.preventDefault();
showFlyout(false);
}
}
};
React.useEffect(() => {
if (hasFlyout) {
window.addEventListener('click', onFlyoutClick);
}
return () => {
if (hasFlyout) {
window.removeEventListener('click', onFlyoutClick);
}
};
}, []);
React.useEffect(() => {
if (flyoutTarget) {
if (flyoutVisible) {
const flyoutItems = Array.from(popperRef.current.getElementsByTagName('UL')[0].children).filter((el) => !(el.classList.contains('pf-m-disabled') || el.classList.contains(nav_1.default.divider)));
flyoutItems[0].firstChild.focus();
}
else {
flyoutTarget.focus();
}
}
}, [flyoutVisible, flyoutTarget]);
const flyoutButton = (React.createElement("span", { className: (0, react_styles_1.css)(nav_1.default.navToggle) },
React.createElement("span", { className: (0, react_styles_1.css)(nav_1.default.navToggleIcon) },
React.createElement(angle_right_icon_1.default, { "aria-hidden": true }))));
const ariaFlyoutProps = {
'aria-haspopup': 'menu',
'aria-expanded': flyoutVisible
};
const tabIndex = isSidebarOpen ? null : -1;
const renderDefaultLink = (context) => {
const preventLinkDefault = preventDefault || !to;
return (React.createElement(Component, Object.assign({ href: to, onClick: (e) => context.onSelect(e, groupId, itemId, to, preventLinkDefault, onClick), className: (0, react_styles_1.css)(nav_1.default.navLink, isActive && nav_1.default.modifiers.current, isHovered && nav_1.default.modifiers.hover, className), "aria-current": isActive ? 'page' : null, tabIndex: tabIndex }, (hasFlyout && Object.assign({}, ariaFlyoutProps)), props),
hasNavLinkWrapper ? React.createElement("span", { className: (0, react_styles_1.css)(`${nav_1.default.nav}__link-text`) }, children) : children,
flyout && flyoutButton));
};
const renderClonedChild = (context, child) => React.cloneElement(child, Object.assign(Object.assign({ onClick: (e) => context.onSelect(e, groupId, itemId, to, preventDefault, onClick), 'aria-current': isActive ? 'page' : null }, (styleChildren && {
className: (0, react_styles_1.css)(nav_1.default.navLink, isActive && nav_1.default.modifiers.current, child.props && child.props.className)
})), { tabIndex: child.props.tabIndex || tabIndex, children: hasFlyout ? (React.createElement(React.Fragment, null,
child.props.children,
flyoutButton)) : (child.props.children) }));
const ouiaProps = (0, helpers_1.useOUIAProps)(exports.NavItem.displayName, ouiaId, ouiaSafe);
const handleMouseEnter = () => {
setIsHovered(true);
};
const handleMouseLeave = () => {
setIsHovered(false);
};
const flyoutPopper = (React.createElement(Popper_1.Popper, { triggerRef: ref, popper: React.createElement("div", { ref: popperRef, onMouseEnter: handleMouseEnter, onMouseLeave: handleMouseLeave }, flyout), popperRef: popperRef, placement: "right-start", isVisible: flyoutVisible, onDocumentKeyDown: handleFlyout, zIndex: zIndex, appendTo: navRef === null || navRef === void 0 ? void 0 : navRef.current }));
const navItem = (React.createElement(React.Fragment, null,
React.createElement("li", Object.assign({ onMouseOver: onMouseOver, className: (0, react_styles_1.css)(nav_1.default.navItem, hasFlyout && nav_1.default.modifiers.flyout, className), ref: ref }, ouiaProps),
React.createElement(Nav_1.NavContext.Consumer, null, (context) => React.isValidElement(children)
? renderClonedChild(context, children)
: renderDefaultLink(context))),
flyout && flyoutPopper));
return navItem;
};
exports.NavItem = NavItem;
exports.NavItem.displayName = 'NavItem';
//# sourceMappingURL=NavItem.js.map