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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| // Copyright © 2024 The Things Network Foundation, The Things Industries B.V. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| import React, { useCallback, useEffect } from 'react' | ||
|
|
||
| import Dropdown from '@ttn-lw/components/dropdown' | ||
|
|
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| import PropTypes from '@ttn-lw/lib/prop-types' | ||
|
|
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| const AttachedDropdown = ({ attachedRef, onItemsClick, hover, onOutsideClick, ...rest }) => { | ||
| const [open, setOpen] = React.useState(false) | ||
|
|
||
| useEffect(() => { | ||
| if (!attachedRef.current) { | ||
| return | ||
| } | ||
| const openEvent = hover ? 'mouseenter' : 'click' | ||
| const node = attachedRef.current | ||
| const toggleDropdown = () => setOpen(val => !val) | ||
| const closeDropdown = () => setOpen(false) | ||
|
|
||
| node.addEventListener(openEvent, toggleDropdown) | ||
| if (hover) { | ||
| node.addEventListener('mouseleave', closeDropdown) | ||
| } | ||
| return () => { | ||
| node.removeEventListener(openEvent, toggleDropdown) | ||
| if (hover) { | ||
| node.removeEventListener('mouseleave', closeDropdown) | ||
| } | ||
| } | ||
| }, [attachedRef, hover, open]) | ||
|
|
||
| const handleItemsClick = useCallback(() => { | ||
| setOpen(false) | ||
| onItemsClick() | ||
| }, [onItemsClick]) | ||
|
|
||
| const handleOutsideClick = useCallback( | ||
| e => { | ||
| if (attachedRef.current && attachedRef.current.contains(e.target)) { | ||
| // Ignore clicks on the attached element, so that toggling is possible. | ||
| return | ||
| } | ||
| setOpen(false) | ||
| onOutsideClick() | ||
| }, | ||
| [attachedRef, onOutsideClick], | ||
| ) | ||
|
|
||
| return ( | ||
| <Dropdown | ||
| open={open} | ||
| onItemsClick={handleItemsClick} | ||
| onOutsideClick={handleOutsideClick} | ||
| {...rest} | ||
| /> | ||
| ) | ||
| } | ||
|
|
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| AttachedDropdown.propTypes = { | ||
| attachedRef: PropTypes.shape({ current: PropTypes.instanceOf(Element) }).isRequired, | ||
| hover: PropTypes.bool, | ||
| onItemsClick: PropTypes.func, | ||
| onOutsideClick: PropTypes.func, | ||
| } | ||
|
|
||
| AttachedDropdown.defaultProps = { | ||
| onItemsClick: () => null, | ||
| onOutsideClick: () => null, | ||
| hover: false, | ||
| } | ||
|
|
||
| export default AttachedDropdown |
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