@patternfly/react-core
Version:
This library provides a set of common React components for use with the PatternFly reference implementation.
154 lines • 8.75 kB
JavaScript
import { __rest } from "tslib";
import * as React from 'react';
import styles from '@patternfly/react-styles/css/components/Menu/menu';
import { css } from '@patternfly/react-styles';
import { getOUIAProps, getDefaultOUIAId } from '../../helpers';
import { MenuContext } from './MenuContext';
import { canUseDOM } from '../../helpers/util';
import { KeyboardHandler } from '../../helpers';
class MenuBase extends React.Component {
constructor(props) {
super(props);
this.menuRef = React.createRef();
this.activeMenu = null;
this.state = {
ouiaStateId: getDefaultOUIAId(Menu.displayName),
searchInputValue: '',
transitionMoveTarget: null,
flyoutRef: null,
disableHover: false
};
this.handleDrilldownTransition = (event) => {
const current = this.menuRef.current;
if (!current ||
(current !== event.target.closest('.pf-c-menu') &&
!Array.from(current.getElementsByClassName('pf-c-menu')).includes(event.target.closest('.pf-c-menu')))) {
return;
}
if (this.state.transitionMoveTarget) {
this.state.transitionMoveTarget.focus();
this.setState({ transitionMoveTarget: null });
}
else {
const nextMenu = current.querySelector('#' + this.props.activeMenu) || current || null;
const nextTarget = Array.from(nextMenu.getElementsByTagName('UL')[0].children).filter(el => !(el.classList.contains('pf-m-disabled') || el.classList.contains('pf-c-divider')))[0].firstChild;
nextTarget.focus();
nextTarget.tabIndex = 0;
}
};
this.handleExtraKeys = (event) => {
const isDrilldown = this.props.containsDrilldown;
const activeElement = document.activeElement;
if (event.target.closest('.pf-c-menu') !== this.activeMenu &&
!event.target.classList.contains('pf-c-breadcrumb__link')) {
this.activeMenu = event.target.closest('.pf-c-menu');
this.setState({ disableHover: true });
}
if (event.target.tagName === 'INPUT') {
return;
}
const parentMenu = this.activeMenu;
const key = event.key;
const isFromBreadcrumb = activeElement.classList.contains('pf-c-breadcrumb__link') ||
activeElement.classList.contains('pf-c-dropdown__toggle');
if (key === ' ' || key === 'Enter') {
event.preventDefault();
if (isDrilldown && !isFromBreadcrumb) {
const isDrillingOut = activeElement.closest('li').classList.contains('pf-m-current-path');
if (isDrillingOut && parentMenu.parentElement.tagName === 'LI') {
activeElement.tabIndex = -1;
parentMenu.parentElement.firstChild.tabIndex = 0;
this.setState({ transitionMoveTarget: parentMenu.parentElement.firstChild });
}
else {
if (activeElement.nextElementSibling && activeElement.nextElementSibling.classList.contains('pf-c-menu')) {
const childItems = Array.from(activeElement.nextElementSibling.getElementsByTagName('UL')[0].children).filter(el => !(el.classList.contains('pf-m-disabled') || el.classList.contains('pf-c-divider')));
activeElement.tabIndex = -1;
childItems[0].firstChild.tabIndex = 0;
this.setState({ transitionMoveTarget: childItems[0].firstChild });
}
}
}
document.activeElement.click();
}
};
this.createNavigableElements = () => {
const isDrilldown = this.props.containsDrilldown;
return isDrilldown
? Array.from(this.activeMenu.getElementsByTagName('UL')[0].children).filter(el => !(el.classList.contains('pf-m-disabled') || el.classList.contains('pf-c-divider')))
: Array.from(this.menuRef.current.getElementsByTagName('LI')).filter(el => !(el.classList.contains('pf-m-disabled') || el.classList.contains('pf-c-divider')));
};
if (props.innerRef) {
this.menuRef = props.innerRef;
}
}
allowTabFirstItem() {
// Allow tabbing to first menu item
const current = this.menuRef.current;
if (current) {
const first = current.querySelector('ul button, ul a');
if (first) {
first.tabIndex = 0;
}
}
}
componentDidMount() {
if (this.context) {
this.setState({ disableHover: this.context.disableHover });
}
if (canUseDOM) {
window.addEventListener('transitionend', this.props.isRootMenu ? this.handleDrilldownTransition : null);
}
this.allowTabFirstItem();
}
componentWillUnmount() {
if (canUseDOM) {
window.removeEventListener('transitionend', this.handleDrilldownTransition);
}
}
componentDidUpdate(prevProps) {
if (prevProps.children !== this.props.children) {
this.allowTabFirstItem();
}
}
render() {
const _a = this.props, { 'aria-label': ariaLabel, id, children, className, onSelect, selected = null, onActionClick, ouiaId, ouiaSafe, containsFlyout, isNavFlyout, containsDrilldown, isMenuDrilledIn, isPlain, isScrollable, drilldownItemPath, drilledInMenus, onDrillIn, onDrillOut, onGetMenuHeight, parentMenu = null, activeItemId = null,
/* eslint-disable @typescript-eslint/no-unused-vars */
innerRef, isRootMenu, activeMenu } = _a,
/* eslint-enable @typescript-eslint/no-unused-vars */
props = __rest(_a, ['aria-label', "id", "children", "className", "onSelect", "selected", "onActionClick", "ouiaId", "ouiaSafe", "containsFlyout", "isNavFlyout", "containsDrilldown", "isMenuDrilledIn", "isPlain", "isScrollable", "drilldownItemPath", "drilledInMenus", "onDrillIn", "onDrillOut", "onGetMenuHeight", "parentMenu", "activeItemId", "innerRef", "isRootMenu", "activeMenu"]);
const _isMenuDrilledIn = isMenuDrilledIn || (drilledInMenus && drilledInMenus.includes(id)) || false;
return (React.createElement(MenuContext.Provider, { value: {
menuId: id,
parentMenu: parentMenu || id,
onSelect,
onActionClick,
activeItemId,
selected,
drilledInMenus,
drilldownItemPath,
onDrillIn,
onDrillOut,
onGetMenuHeight,
flyoutRef: this.state.flyoutRef,
setFlyoutRef: flyoutRef => this.setState({ flyoutRef }),
disableHover: this.state.disableHover
} },
isRootMenu && (React.createElement(KeyboardHandler, { containerRef: this.menuRef || null, additionalKeyHandler: this.handleExtraKeys, createNavigableElements: this.createNavigableElements, isActiveElement: (element) => document.activeElement.parentElement === element ||
(document.activeElement.closest('ol') && document.activeElement.closest('ol').firstChild === element), getFocusableElement: (navigableElement) => navigableElement.firstChild, noHorizontalArrowHandling: document.activeElement &&
(document.activeElement.classList.contains('pf-c-breadcrumb__link') ||
document.activeElement.classList.contains('pf-c-dropdown__toggle')), noEnterHandling: true, noSpaceHandling: true })),
React.createElement("div", Object.assign({ id: id, className: css(styles.menu, isPlain && styles.modifiers.plain, isScrollable && styles.modifiers.scrollable, containsFlyout && styles.modifiers.flyout, isNavFlyout && styles.modifiers.nav, containsDrilldown && styles.modifiers.drilldown, _isMenuDrilledIn && styles.modifiers.drilledIn, className), "aria-label": ariaLabel, ref: this.menuRef }, getOUIAProps(Menu.displayName, ouiaId !== undefined ? ouiaId : this.state.ouiaStateId, ouiaSafe), props), children)));
}
}
MenuBase.displayName = 'Menu';
MenuBase.contextType = MenuContext;
MenuBase.defaultProps = {
ouiaSafe: true,
isRootMenu: true,
isPlain: false,
isScrollable: false
};
export const Menu = React.forwardRef((props, ref) => (React.createElement(MenuBase, Object.assign({}, props, { innerRef: ref }))));
Menu.displayName = 'Menu';
//# sourceMappingURL=Menu.js.map