Files
standardnotes-app-web/app/assets/javascripts/Components/QuickSettingsMenu/EventHandlers.ts
2022-05-30 12:42:52 +05:30

71 lines
2.1 KiB
TypeScript

import { Dispatch, RefObject, SetStateAction } from 'react'
export const quickSettingsKeyDownHandler = (
closeQuickSettingsMenu: () => void,
event: React.KeyboardEvent,
quickSettingsMenuRef: RefObject<HTMLDivElement>,
themesMenuOpen: boolean,
) => {
if (quickSettingsMenuRef?.current) {
const items: NodeListOf<HTMLButtonElement> = quickSettingsMenuRef.current.querySelectorAll(':scope > button')
const currentFocusedIndex = Array.from(items).findIndex((btn) => btn === document.activeElement)
if (!themesMenuOpen) {
switch (event.key) {
case 'Escape':
closeQuickSettingsMenu()
break
case 'ArrowDown':
if (items[currentFocusedIndex + 1]) {
items[currentFocusedIndex + 1].focus()
} else {
items[0].focus()
}
break
case 'ArrowUp':
if (items[currentFocusedIndex - 1]) {
items[currentFocusedIndex - 1].focus()
} else {
items[items.length - 1].focus()
}
break
}
}
}
}
export const themesMenuKeyDownHandler = (
event: React.KeyboardEvent<HTMLDivElement>,
themesMenuRef: RefObject<HTMLDivElement>,
setThemesMenuOpen: Dispatch<SetStateAction<boolean>>,
themesButtonRef: RefObject<HTMLButtonElement>,
) => {
if (themesMenuRef?.current) {
const themes = themesMenuRef.current.querySelectorAll('button')
const currentFocusedIndex = Array.from(themes).findIndex((themeBtn) => themeBtn === document.activeElement)
switch (event.key) {
case 'Escape':
case 'ArrowLeft':
event.stopPropagation()
setThemesMenuOpen(false)
themesButtonRef.current?.focus()
break
case 'ArrowDown':
if (themes[currentFocusedIndex + 1]) {
themes[currentFocusedIndex + 1].focus()
} else {
themes[0].focus()
}
break
case 'ArrowUp':
if (themes[currentFocusedIndex - 1]) {
themes[currentFocusedIndex - 1].focus()
} else {
themes[themes.length - 1].focus()
}
break
}
}
}