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| 1 | +import clsx from 'clsx'; |
| 2 | +import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react'; |
| 3 | +import { useDialog, useDialogIsOpen } from './hooks'; |
| 4 | +import { useDialogAnchor } from './DialogAnchor'; |
| 5 | +import type { ComponentProps, ComponentType } from 'react'; |
| 6 | +import type { Placement } from '@popperjs/core'; |
| 7 | + |
| 8 | +type ButtonWithSubmenu = ComponentProps<'button'> & { |
| 9 | + children: React.ReactNode; |
| 10 | + placement: Placement; |
| 11 | + Submenu: ComponentType; |
| 12 | + submenuContainerProps?: ComponentProps<'div'>; |
| 13 | +}; |
| 14 | +export const ButtonWithSubmenu = ({ |
| 15 | + children, |
| 16 | + className, |
| 17 | + placement, |
| 18 | + Submenu, |
| 19 | + submenuContainerProps, |
| 20 | + ...buttonProps |
| 21 | +}: ButtonWithSubmenu) => { |
| 22 | + const buttonRef = useRef<HTMLButtonElement | null>(null); |
| 23 | + const [dialogContainer, setDialogContainer] = useState<HTMLDivElement | null>(null); |
| 24 | + const keepSubmenuOpen = useRef(false); |
| 25 | + const dialogCloseTimeout = useRef<NodeJS.Timeout | null>(null); |
| 26 | + const dialogId = useMemo(() => `submenu-${Math.random().toString(36).slice(2)}`, []); |
| 27 | + const dialog = useDialog({ id: dialogId }); |
| 28 | + const dialogIsOpen = useDialogIsOpen(dialogId); |
| 29 | + const { attributes, setPopperElement, styles } = useDialogAnchor<HTMLDivElement>({ |
| 30 | + open: dialogIsOpen, |
| 31 | + placement, |
| 32 | + referenceElement: buttonRef.current, |
| 33 | + }); |
| 34 | + |
| 35 | + const closeDialogLazily = useCallback(() => { |
| 36 | + if (dialogCloseTimeout.current) clearTimeout(dialogCloseTimeout.current); |
| 37 | + dialogCloseTimeout.current = setTimeout(() => { |
| 38 | + if (keepSubmenuOpen.current) return; |
| 39 | + dialog.close(); |
| 40 | + }, 100); |
| 41 | + }, [dialog]); |
| 42 | + |
| 43 | + const handleClose = useCallback( |
| 44 | + (event: Event) => { |
| 45 | + const parentButton = buttonRef.current; |
| 46 | + if (!dialogIsOpen || !parentButton) return; |
| 47 | + event.stopPropagation(); |
| 48 | + closeDialogLazily(); |
| 49 | + parentButton.focus(); |
| 50 | + }, |
| 51 | + [closeDialogLazily, dialogIsOpen, buttonRef], |
| 52 | + ); |
| 53 | + |
| 54 | + const handleFocusParentButton = () => { |
| 55 | + if (dialogIsOpen) return; |
| 56 | + dialog.open(); |
| 57 | + keepSubmenuOpen.current = true; |
| 58 | + }; |
| 59 | + |
| 60 | + useEffect(() => { |
| 61 | + const parentButton = buttonRef.current; |
| 62 | + if (!dialogIsOpen || !parentButton) return; |
| 63 | + const hideOnEscape = (event: KeyboardEvent) => { |
| 64 | + if (event.key !== 'Escape') return; |
| 65 | + handleClose(event); |
| 66 | + keepSubmenuOpen.current = false; |
| 67 | + }; |
| 68 | + |
| 69 | + document.addEventListener('keyup', hideOnEscape, { capture: true }); |
| 70 | + |
| 71 | + return () => { |
| 72 | + document.removeEventListener('keyup', hideOnEscape, { capture: true }); |
| 73 | + }; |
| 74 | + }, [dialogIsOpen, handleClose]); |
| 75 | + |
| 76 | + return ( |
| 77 | + <> |
| 78 | + <button |
| 79 | + aria-selected='false' |
| 80 | + className={clsx(className, 'str_chat__button-with-submenu', { |
| 81 | + 'str_chat__button-with-submenu--submenu-open': dialogIsOpen, |
| 82 | + })} |
| 83 | + onBlur={() => { |
| 84 | + keepSubmenuOpen.current = false; |
| 85 | + closeDialogLazily(); |
| 86 | + }} |
| 87 | + onClick={(event) => { |
| 88 | + event.stopPropagation(); |
| 89 | + dialog.toggle(); |
| 90 | + }} |
| 91 | + onFocus={handleFocusParentButton} |
| 92 | + onMouseEnter={handleFocusParentButton} |
| 93 | + onMouseLeave={() => { |
| 94 | + keepSubmenuOpen.current = false; |
| 95 | + closeDialogLazily(); |
| 96 | + }} |
| 97 | + ref={buttonRef} |
| 98 | + role='option' |
| 99 | + {...buttonProps} |
| 100 | + > |
| 101 | + {children} |
| 102 | + </button> |
| 103 | + {dialogIsOpen && ( |
| 104 | + <div |
| 105 | + {...attributes.popper} |
| 106 | + onBlur={(event) => { |
| 107 | + const isBlurredDescendant = |
| 108 | + event.relatedTarget instanceof Node && |
| 109 | + dialogContainer?.contains(event.relatedTarget); |
| 110 | + if (isBlurredDescendant) return; |
| 111 | + keepSubmenuOpen.current = false; |
| 112 | + closeDialogLazily(); |
| 113 | + }} |
| 114 | + onFocus={() => { |
| 115 | + keepSubmenuOpen.current = true; |
| 116 | + }} |
| 117 | + onMouseEnter={() => { |
| 118 | + keepSubmenuOpen.current = true; |
| 119 | + }} |
| 120 | + onMouseLeave={() => { |
| 121 | + keepSubmenuOpen.current = false; |
| 122 | + closeDialogLazily(); |
| 123 | + }} |
| 124 | + ref={(element) => { |
| 125 | + setPopperElement(element); |
| 126 | + setDialogContainer(element); |
| 127 | + }} |
| 128 | + style={styles.popper} |
| 129 | + tabIndex={-1} |
| 130 | + {...submenuContainerProps} |
| 131 | + > |
| 132 | + <Submenu /> |
| 133 | + </div> |
| 134 | + )} |
| 135 | + </> |
| 136 | + ); |
| 137 | +}; |
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