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39 changes: 34 additions & 5 deletions packages/core/src/components/ActionPanel.tsx
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ import {
} from '@react-trace/ui-components'
import { useAtom, useAtomValue, useSetAtom } from 'jotai'
import type { ReactNode } from 'react'
import { useCallback } from 'react'
import { useCallback, useEffect, useRef, useState } from 'react'

import {
portalContainerAtom,
Expand Down Expand Up @@ -257,6 +257,8 @@ export function ActionPanel({ plugins }: ActionPanelProps) {
)
}

const SUBMENU_CLOSE_DELAY_MS = 150

function Submenu({
entryContent,
plugins,
Expand All @@ -268,15 +270,40 @@ function Submenu({
}) {
const portalContainer = useAtomValue(portalContainerAtom)
const setSelectedSource = useSetAtom(selectedSourceAtom)
const [open, setOpen] = useState(false)
const closeTimerRef = useRef<number | undefined>(undefined)

useEffect(() => {
return () => window.clearTimeout(closeTimerRef.current)
}, [])

const keepOpen = useCallback(() => {
window.clearTimeout(closeTimerRef.current)
setOpen(true)
setSelectedSource(source)
}, [source, setSelectedSource])

const scheduleClose = useCallback(() => {
window.clearTimeout(closeTimerRef.current)
closeTimerRef.current = window.setTimeout(() => setOpen(false), SUBMENU_CLOSE_DELAY_MS)
}, [])

return (
<DropdownMenu.Root
onOpenChange={(open) => open && setSelectedSource(source)}
open={open}
onOpenChange={(next) => {
setOpen(next)
if (next) {
window.clearTimeout(closeTimerRef.current)
setSelectedSource(source)
}
}}
>
<DropdownMenu.Trigger
openOnHover
delay={0}
closeDelay={0}
onMouseEnter={keepOpen}
onMouseLeave={scheduleClose}
onFocus={keepOpen}
onBlur={scheduleClose}
style={(state) => entryStyle(state.open)}
>
{entryContent}
Expand All @@ -301,6 +328,8 @@ function Submenu({
style={{ zIndex: 999999, pointerEvents: 'auto' }}
>
<DropdownMenu.Popup
onMouseEnter={keepOpen}
onMouseLeave={scheduleClose}
style={{
minWidth: 200,
paddingBlock: plugins.length > 0 ? 4 : 0,
Expand Down