@patternfly/react-core
Version:
This library provides a set of common React components for use with the PatternFly reference implementation.
213 lines • 11.1 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 topOffset from '@patternfly/react-tokens/dist/esm/c_menu_m_flyout__menu_top_offset';
import rightOffset from '@patternfly/react-tokens/dist/esm/c_menu_m_flyout__menu_m_left_right_offset';
import leftOffset from '@patternfly/react-tokens/dist/esm/c_menu_m_flyout__menu_left_offset';
import ExternalLinkAltIcon from '@patternfly/react-icons/dist/esm/icons/external-link-alt-icon';
import AngleRightIcon from '@patternfly/react-icons/dist/esm/icons/angle-right-icon';
import AngleLeftIcon from '@patternfly/react-icons/dist/esm/icons/angle-left-icon';
import CheckIcon from '@patternfly/react-icons/dist/esm/icons/check-icon';
import { MenuContext, MenuItemContext } from './MenuContext';
import { MenuItemAction } from './MenuItemAction';
import { canUseDOM } from '../../helpers/util';
import { useIsomorphicLayoutEffect } from '../../helpers/useIsomorphicLayout';
const FlyoutContext = React.createContext({
direction: 'right'
});
const MenuItemBase = (_a) => {
var { children, className, itemId = null, to, isActive = null, isFavorited = null, isLoadButton = false, isLoading = false, flyoutMenu, direction, description = null, onClick = () => { }, component = 'button', isDisabled = false, isExternalLink = false, isSelected = null, icon, actions, onShowFlyout, drilldownMenu, isOnPath, innerRef } = _a, props = __rest(_a, ["children", "className", "itemId", "to", "isActive", "isFavorited", "isLoadButton", "isLoading", "flyoutMenu", "direction", "description", "onClick", "component", "isDisabled", "isExternalLink", "isSelected", "icon", "actions", "onShowFlyout", "drilldownMenu", "isOnPath", "innerRef"]);
const { menuId, parentMenu, onSelect, onActionClick, activeItemId, selected, drilldownItemPath, onDrillIn, onDrillOut, flyoutRef, setFlyoutRef, disableHover } = React.useContext(MenuContext);
const Component = (to ? 'a' : component);
const [flyoutTarget, setFlyoutTarget] = React.useState(null);
const flyoutContext = React.useContext(FlyoutContext);
const [flyoutXDirection, setFlyoutXDirection] = React.useState(flyoutContext.direction);
const ref = React.useRef();
const flyoutVisible = ref === flyoutRef;
const hasFlyout = flyoutMenu !== undefined;
const showFlyout = (show) => {
if (!flyoutVisible && show) {
setFlyoutRef(ref);
}
else if (flyoutVisible && !show) {
setFlyoutRef(null);
}
onShowFlyout && show && onShowFlyout();
};
useIsomorphicLayoutEffect(() => {
if (hasFlyout && ref.current && canUseDOM) {
const flyoutMenu = ref.current.lastElementChild;
if (flyoutMenu && flyoutMenu.classList.contains(styles.menu)) {
const origin = ref.current.getClientRects()[0];
const rect = flyoutMenu.getClientRects()[0];
if (origin && rect) {
const spaceLeftLeft = origin.x - rect.width;
const spaceLeftRight = window.innerWidth - origin.x - origin.width - rect.width;
let xDir = flyoutXDirection;
if (spaceLeftRight < 0 && xDir !== 'left') {
setFlyoutXDirection('left');
xDir = 'left';
}
else if (spaceLeftLeft < 0 && xDir !== 'right') {
setFlyoutXDirection('right');
xDir = 'right';
}
let xOffset = 0;
if (spaceLeftLeft < 0 && spaceLeftRight < 0) {
xOffset = xDir === 'right' ? -spaceLeftRight : -spaceLeftLeft;
}
if (xDir === 'left') {
flyoutMenu.classList.add(styles.modifiers.left);
flyoutMenu.style.setProperty(rightOffset.name, `-${xOffset}px`);
}
else {
flyoutMenu.style.setProperty(leftOffset.name, `-${xOffset}px`);
}
const spaceLeftBot = window.innerHeight - origin.y - rect.height;
const spaceLeftTop = window.innerHeight - rect.height;
if (spaceLeftTop < 0 && spaceLeftBot < 0) {
// working idea: page can usually scroll down, but not up
// TODO: proper scroll buttons
}
else if (spaceLeftBot < 0) {
flyoutMenu.style.setProperty(topOffset.name, `${spaceLeftBot}px`);
}
}
}
}
}, [flyoutVisible, flyoutMenu]);
React.useEffect(() => {
setFlyoutXDirection(flyoutContext.direction);
}, [flyoutContext]);
React.useEffect(() => {
if (flyoutTarget) {
if (flyoutVisible) {
const flyoutMenu = flyoutTarget.nextElementSibling;
const flyoutItems = Array.from(flyoutMenu.getElementsByTagName('UL')[0].children).filter(el => !(el.classList.contains('pf-m-disabled') || el.classList.contains('pf-c-divider')));
flyoutItems[0].firstChild.focus();
}
else {
flyoutTarget.focus();
}
}
}, [flyoutVisible, flyoutTarget]);
const handleFlyout = (event) => {
const key = event.key;
const target = event.target;
if (key === ' ' || key === 'Enter' || key === 'ArrowRight') {
event.stopPropagation();
if (!flyoutVisible) {
showFlyout(true);
setFlyoutTarget(target);
}
}
if (key === 'Escape' || key === 'ArrowLeft') {
if (flyoutVisible) {
event.stopPropagation();
showFlyout(false);
}
}
};
const onItemSelect = (event, onSelect) => {
// Trigger callback for Menu onSelect
onSelect && onSelect(event, itemId);
// Trigger callback for item onClick
onClick && onClick(event);
};
const _isOnPath = (isOnPath && isOnPath) || (drilldownItemPath && drilldownItemPath.includes(itemId)) || false;
let _drill;
if (direction) {
if (direction === 'down') {
_drill = () => onDrillIn &&
onDrillIn(menuId, typeof drilldownMenu === 'function'
? drilldownMenu().props.id
: drilldownMenu.props.id, itemId);
}
else {
_drill = () => onDrillOut && onDrillOut(parentMenu, itemId);
}
}
let additionalProps = {};
if (Component === 'a') {
additionalProps = {
href: to,
'aria-disabled': isDisabled ? true : null,
// prevent invalid 'disabled' attribute on <a> tags
disabled: null
};
}
else if (Component === 'button') {
additionalProps = {
type: 'button'
};
}
if (isOnPath) {
additionalProps['aria-expanded'] = true;
}
else if (hasFlyout) {
additionalProps['aria-haspopup'] = true;
additionalProps['aria-expanded'] = flyoutVisible;
}
const getAriaCurrent = () => {
if (isActive !== null) {
if (isActive) {
return 'page';
}
else {
return null;
}
}
else if (itemId !== null && activeItemId !== null) {
return itemId === activeItemId;
}
return null;
};
const getIsSelected = () => {
if (isSelected !== null) {
return isSelected;
}
else if (selected !== null && itemId !== null) {
return (Array.isArray(selected) && selected.includes(itemId)) || itemId === selected;
}
return false;
};
const onMouseOver = () => {
if (disableHover) {
return;
}
if (hasFlyout) {
showFlyout(true);
}
else {
setFlyoutRef(null);
}
};
return (React.createElement("li", Object.assign({ className: css(styles.menuListItem, isDisabled && styles.modifiers.disabled, _isOnPath && styles.modifiers.currentPath, isLoadButton && styles.modifiers.load, isLoading && styles.modifiers.loading, className), onMouseOver: onMouseOver }, (flyoutMenu && { onKeyDown: handleFlyout }), { ref: ref, role: "none" }, props),
React.createElement(Component, Object.assign({ tabIndex: -1, className: css(styles.menuItem, getIsSelected() && styles.modifiers.selected, className), "aria-current": getAriaCurrent(), disabled: isDisabled, role: "menuitem", ref: innerRef, onClick: (event) => {
onItemSelect(event, onSelect);
_drill && _drill();
} }, additionalProps),
React.createElement("span", { className: css(styles.menuItemMain) },
direction === 'up' && (React.createElement("span", { className: css(styles.menuItemToggleIcon) },
React.createElement(AngleLeftIcon, { "aria-hidden": true }))),
icon && React.createElement("span", { className: css(styles.menuItemIcon) }, icon),
React.createElement("span", { className: css(styles.menuItemText) }, children),
isExternalLink && (React.createElement("span", { className: css(styles.menuItemExternalIcon) },
React.createElement(ExternalLinkAltIcon, { "aria-hidden": true }))),
(flyoutMenu || direction === 'down') && (React.createElement("span", { className: css(styles.menuItemToggleIcon) },
React.createElement(AngleRightIcon, { "aria-hidden": true }))),
getIsSelected() && (React.createElement("span", { className: css(styles.menuItemSelectIcon) },
React.createElement(CheckIcon, { "aria-hidden": true })))),
description && direction !== 'up' && (React.createElement("span", { className: css(styles.menuItemDescription) },
React.createElement("span", null, description)))),
flyoutVisible && (React.createElement(MenuContext.Provider, { value: { disableHover } },
React.createElement(FlyoutContext.Provider, { value: { direction: flyoutXDirection } }, flyoutMenu))),
typeof drilldownMenu === 'function' ? drilldownMenu() : drilldownMenu,
React.createElement(MenuItemContext.Provider, { value: { itemId, isDisabled } },
actions,
isFavorited !== null && (React.createElement(MenuItemAction, { icon: "favorites", isFavorited: isFavorited, "aria-label": isFavorited ? 'starred' : 'not starred', onClick: event => onActionClick(event, itemId), tabIndex: -1, actionId: "fav" })))));
};
export const MenuItem = React.forwardRef((props, ref) => (React.createElement(MenuItemBase, Object.assign({}, props, { innerRef: ref }))));
MenuItem.displayName = 'MenuItem';
//# sourceMappingURL=MenuItem.js.map