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| 1 | +/* |
| 2 | + * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one |
| 3 | + * or more contributor license agreements. Licensed under the "Elastic License |
| 4 | + * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side |
| 5 | + * Public License v 1"; you may not use this file except in compliance with, at |
| 6 | + * your election, the "Elastic License 2.0", the "GNU Affero General Public |
| 7 | + * License v3.0 only", or the "Server Side Public License, v 1". |
| 8 | + */ |
| 9 | + |
| 10 | +import React, { useCallback, useMemo, useState } from 'react'; |
| 11 | +import { EuiBadge, EuiContextMenu, EuiPopover, EuiToolTip } from '@elastic/eui'; |
| 12 | +import type { |
| 13 | + EuiContextMenuPanelDescriptor, |
| 14 | + EuiContextMenuPanelItemDescriptor, |
| 15 | +} from '@elastic/eui'; |
| 16 | +import { css } from '@emotion/react'; |
| 17 | +import { i18n } from '@kbn/i18n'; |
| 18 | +import type { AppHeaderBadge, AppHeaderBadgeItem } from '../types'; |
| 19 | + |
| 20 | +/** |
| 21 | + * Recursively builds flat EuiContextMenu panels from nested badge menu items. |
| 22 | + */ |
| 23 | +const buildPanels = ( |
| 24 | + items: AppHeaderBadgeItem[], |
| 25 | + panelId: number, |
| 26 | + width?: number, |
| 27 | + title?: string |
| 28 | +): EuiContextMenuPanelDescriptor[] => { |
| 29 | + const panels: EuiContextMenuPanelDescriptor[] = []; |
| 30 | + let nextPanelId = panelId + 1; |
| 31 | + |
| 32 | + const panelItems: EuiContextMenuPanelItemDescriptor[] = items.map((item) => { |
| 33 | + const { items: childItems, popoverWidth: childWidth, ...rest } = item; |
| 34 | + if (childItems && childItems.length > 0) { |
| 35 | + const childPanelId = nextPanelId; |
| 36 | + const childPanels = buildPanels(childItems, childPanelId, childWidth, item.name); |
| 37 | + nextPanelId = childPanelId + childPanels.length; |
| 38 | + panels.push(...childPanels); |
| 39 | + return { ...rest, panel: childPanelId }; |
| 40 | + } |
| 41 | + |
| 42 | + return rest; |
| 43 | + }); |
| 44 | + |
| 45 | + panels.unshift({ |
| 46 | + id: panelId, |
| 47 | + items: panelItems, |
| 48 | + ...(title && { title }), |
| 49 | + ...(width && { width }), |
| 50 | + }); |
| 51 | + |
| 52 | + return panels; |
| 53 | +}; |
| 54 | + |
| 55 | +const useBadgeStyle = () => { |
| 56 | + return useMemo(() => { |
| 57 | + const badge = css` |
| 58 | + max-width: 200px; |
| 59 | + `; |
| 60 | + |
| 61 | + return { badge }; |
| 62 | + }, []); |
| 63 | +}; |
| 64 | + |
| 65 | +export const AppBadge = ({ badge }: { badge: AppHeaderBadge }) => { |
| 66 | + const { badge: badgeStyle } = useBadgeStyle(); |
| 67 | + const [isPopoverOpen, setIsPopoverOpen] = useState(false); |
| 68 | + |
| 69 | + const closePopover = useCallback(() => setIsPopoverOpen(false), []); |
| 70 | + const togglePopover = useCallback(() => setIsPopoverOpen((open) => !open), []); |
| 71 | + |
| 72 | + if (badge?.renderCustomBadge) { |
| 73 | + // TODO: Remove custom JSX badge rendering once apps migrate custom badges to structured config. |
| 74 | + return badge.renderCustomBadge({ badgeText: badge.label }); |
| 75 | + } |
| 76 | + |
| 77 | + const hasItems = 'items' in badge && badge.items !== undefined; |
| 78 | + |
| 79 | + const badgeOnClickAriaLabel = |
| 80 | + badge?.onClickAriaLabel ?? |
| 81 | + i18n.translate('core.ui.chrome.appHeader.badge.ariaLabel', { |
| 82 | + defaultMessage: 'Click {label} badge', |
| 83 | + values: { label: badge.label }, |
| 84 | + }); |
| 85 | + |
| 86 | + const handleBadgeClick = () => { |
| 87 | + if (hasItems) { |
| 88 | + togglePopover(); |
| 89 | + return; |
| 90 | + } |
| 91 | + badge?.onClick?.(); |
| 92 | + }; |
| 93 | + |
| 94 | + const badgeComponent = ( |
| 95 | + <EuiBadge |
| 96 | + onClick={handleBadgeClick} |
| 97 | + onClickAriaLabel={badgeOnClickAriaLabel} |
| 98 | + color={badge?.color ?? 'hollow'} |
| 99 | + data-test-subj={badge?.['data-test-subj']} |
| 100 | + css={badgeStyle} |
| 101 | + iconType={hasItems ? 'arrowDown' : undefined} |
| 102 | + iconSide={hasItems ? 'right' : undefined} |
| 103 | + > |
| 104 | + {badge.label} |
| 105 | + </EuiBadge> |
| 106 | + ); |
| 107 | + |
| 108 | + const wrappedBadge = badge?.tooltip ? ( |
| 109 | + <EuiToolTip content={badge.tooltip}>{badgeComponent}</EuiToolTip> |
| 110 | + ) : ( |
| 111 | + badgeComponent |
| 112 | + ); |
| 113 | + |
| 114 | + if (hasItems) { |
| 115 | + return ( |
| 116 | + <EuiPopover |
| 117 | + button={wrappedBadge} |
| 118 | + isOpen={isPopoverOpen} |
| 119 | + closePopover={closePopover} |
| 120 | + panelPaddingSize="none" |
| 121 | + aria-label={badge.label} |
| 122 | + > |
| 123 | + <EuiContextMenu |
| 124 | + initialPanelId={0} |
| 125 | + panels={buildPanels(badge.items!, 0, badge.popoverWidth)} |
| 126 | + /> |
| 127 | + </EuiPopover> |
| 128 | + ); |
| 129 | + } |
| 130 | + |
| 131 | + return wrappedBadge; |
| 132 | +}; |
| 133 | + |
| 134 | +AppBadge.displayName = 'AppBadge'; |
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