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import React from 'react'
import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
import * as DropdownMenu from '@radix-ui/react-dropdown-menu'
import {Pressable, StyleSheet, View, Text, ViewStyle} from 'react-native'
import {IconProp} from '@fortawesome/fontawesome-svg-core'
import {MenuItemCommonProps} from 'zeego/lib/typescript/menu'
import {usePalette} from 'lib/hooks/usePalette'
import {useTheme} from 'lib/ThemeContext'
import {HITSLOP_10} from 'lib/constants'
// Custom Dropdown Menu Components
// ==
export const DropdownMenuRoot = DropdownMenu.Root
export const DropdownMenuContent = DropdownMenu.Content
type ItemProps = React.ComponentProps<(typeof DropdownMenu)['Item']>
export const DropdownMenuItem = (props: ItemProps & {testID?: string}) => {
const theme = useTheme()
const [focused, setFocused] = React.useState(false)
const backgroundColor = theme.colorScheme === 'dark' ? '#fff1' : '#0001'
return (
<DropdownMenu.Item
className="nativeDropdown-item"
{...props}
style={StyleSheet.flatten([
styles.item,
focused && {backgroundColor: backgroundColor},
])}
onFocus={() => {
setFocused(true)
}}
onBlur={() => {
setFocused(false)
}}
/>
)
}
// Types for Dropdown Menu and Items
export type DropdownItem = {
label: string | 'separator'
onPress?: () => void
testID?: string
icon?: {
ios: MenuItemCommonProps['ios']
android: string
web: IconProp
}
}
type Props = {
items: DropdownItem[]
testID?: string
accessibilityLabel?: string
accessibilityHint?: string
triggerStyle?: ViewStyle
}
export function NativeDropdown({
items,
children,
testID,
accessibilityLabel,
accessibilityHint,
triggerStyle,
}: React.PropsWithChildren<Props>) {
const pal = usePalette('default')
const theme = useTheme()
const dropDownBackgroundColor =
theme.colorScheme === 'dark' ? pal.btn : pal.view
const [open, setOpen] = React.useState(false)
const buttonRef = React.useRef<HTMLButtonElement>(null)
const menuRef = React.useRef<HTMLDivElement>(null)
const {borderColor: separatorColor} =
theme.colorScheme === 'dark' ? pal.borderDark : pal.border
React.useEffect(() => {
function clickHandler(e: MouseEvent) {
const t = e.target
if (!open) return
if (!t) return
if (!buttonRef.current || !menuRef.current) return
if (
t !== buttonRef.current &&
!buttonRef.current.contains(t as Node) &&
t !== menuRef.current &&
!menuRef.current.contains(t as Node)
) {
// prevent clicking through to links beneath dropdown
// only applies to mobile web
e.preventDefault()
e.stopPropagation()
// close menu
setOpen(false)
}
}
function keydownHandler(e: KeyboardEvent) {
if (e.key === 'Escape' && open) {
setOpen(false)
}
}
document.addEventListener('click', clickHandler, true)
window.addEventListener('keydown', keydownHandler, true)
return () => {
document.removeEventListener('click', clickHandler, true)
window.removeEventListener('keydown', keydownHandler, true)
}
}, [open, setOpen])
return (
<DropdownMenuRoot open={open} onOpenChange={o => setOpen(o)}>
<DropdownMenu.Trigger asChild onPointerDown={e => e.preventDefault()}>
<Pressable
ref={buttonRef as unknown as React.Ref<View>}
testID={testID}
accessibilityRole="button"
accessibilityLabel={accessibilityLabel}
accessibilityHint={accessibilityHint}
onPress={() => setOpen(o => !o)}
hitSlop={HITSLOP_10}
style={triggerStyle}>
{children}
</Pressable>
</DropdownMenu.Trigger>
<DropdownMenu.Portal>
<DropdownMenu.Content
ref={menuRef}
style={
StyleSheet.flatten([
styles.content,
dropDownBackgroundColor,
]) as React.CSSProperties
}
loop>
{items.map((item, index) => {
if (item.label === 'separator') {
return (
<DropdownMenu.Separator
key={getKey(item.label, index, item.testID)}
style={
StyleSheet.flatten([
styles.separator,
{backgroundColor: separatorColor},
]) as React.CSSProperties
}
/>
)
}
if (index > 1 && items[index - 1].label === 'separator') {
return (
<DropdownMenu.Group
key={getKey(item.label, index, item.testID)}>
<DropdownMenuItem
key={getKey(item.label, index, item.testID)}
onSelect={item.onPress}>
<Text
selectable={false}
style={[pal.text, styles.itemTitle]}>
{item.label}
</Text>
{item.icon && (
<FontAwesomeIcon
icon={item.icon.web}
size={20}
color={pal.colors.textLight}
/>
)}
</DropdownMenuItem>
</DropdownMenu.Group>
)
}
return (
<DropdownMenuItem
key={getKey(item.label, index, item.testID)}
onSelect={item.onPress}>
<Text selectable={false} style={[pal.text, styles.itemTitle]}>
{item.label}
</Text>
{item.icon && (
<FontAwesomeIcon
icon={item.icon.web}
size={20}
color={pal.colors.textLight}
/>
)}
</DropdownMenuItem>
)
})}
</DropdownMenu.Content>
</DropdownMenu.Portal>
</DropdownMenuRoot>
)
}
const getKey = (label: string, index: number, id?: string) => {
if (id) {
return id
}
return `${label}_${index}`
}
const styles = StyleSheet.create({
separator: {
height: 1,
marginTop: 4,
marginBottom: 4,
},
content: {
backgroundColor: '#f0f0f0',
borderRadius: 8,
paddingTop: 4,
paddingBottom: 4,
paddingLeft: 4,
paddingRight: 4,
marginTop: 6,
// @ts-ignore web only -prf
boxShadow: 'rgba(0, 0, 0, 0.3) 0px 5px 20px',
},
item: {
display: 'flex',
flexDirection: 'row',
justifyContent: 'space-between',
alignItems: 'center',
columnGap: 20,
// @ts-ignore -web
cursor: 'pointer',
paddingTop: 8,
paddingBottom: 8,
paddingLeft: 12,
paddingRight: 12,
borderRadius: 8,
fontFamily:
'-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif',
outline: 0,
border: 0,
},
itemTitle: {
fontSize: 16,
fontWeight: '500',
paddingRight: 10,
},
})
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