2025-04-24 13:11:28 +08:00

74 lines
2.2 KiB
TypeScript

import React, { useEffect, useRef } from 'react'
import ReactDOM from 'react-dom'
import {
Dropdown,
DropdownMenu,
} from '@/features/ui/components/bootstrap-5/dropdown-menu'
import { useFileTreeData } from '@/shared/context/file-tree-data-context'
import { useFileTreeMainContext } from '../contexts/file-tree-main'
import FileTreeItemMenuItems from './file-tree-item/file-tree-item-menu-items'
function FileTreeContextMenu() {
const { fileTreeReadOnly } = useFileTreeData()
const { contextMenuCoords, setContextMenuCoords } = useFileTreeMainContext()
const toggleButtonRef = useRef<HTMLButtonElement | null>(null)
useEffect(() => {
if (contextMenuCoords) {
toggleButtonRef.current = document.querySelector(
'.entity-menu-toggle'
) as HTMLButtonElement | null
}
}, [contextMenuCoords])
if (!contextMenuCoords || fileTreeReadOnly) return null
function close() {
setContextMenuCoords(null)
if (toggleButtonRef.current) {
// A11y - Move the focus back to the toggle button when the context menu closes by pressing the Esc key
toggleButtonRef.current.focus()
}
}
function handleToggle(wantOpen: boolean) {
if (!wantOpen) close()
}
// A11y - Close the context menu when the user presses the Tab key
// Focus should move to the next element in the filetree
function handleKeyDown(event: React.KeyboardEvent<Element>) {
if (event.key === 'Tab') {
close()
}
}
return ReactDOM.createPortal(
<div style={contextMenuCoords} className="context-menu">
<Dropdown
show
drop={
document.body.offsetHeight / contextMenuCoords.top < 2 &&
document.body.offsetHeight - contextMenuCoords.top < 250
? 'up'
: 'down'
}
focusFirstItemOnShow // A11y - Focus the first item in the context menu when it opens since the menu is rendered at the root level
onKeyDown={handleKeyDown}
onToggle={handleToggle}
>
<DropdownMenu
className="dropdown-menu-sm-width"
id="dropdown-file-tree-context-menu"
>
<FileTreeItemMenuItems />
</DropdownMenu>
</Dropdown>
</div>,
document.body
)
}
export default FileTreeContextMenu