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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| import {h} from 'preact' | ||
| import {connect} from '../../helpers/connect' | ||
| import actions from '../../actions' | ||
| import {State} from '../../state' | ||
| import {useEffect, useRef, useState} from 'preact/hooks' | ||
|
|
||
| interface Props<T> { | ||
| label: string | ||
| defaultItem: T | ||
| items: T[] | ||
| displaySelectedItem: (t: T) => string | ||
| displaySelectedItemClassName: string | ||
| displayItem: (t: T) => any | ||
| onSelect: (t: T) => void | ||
| searchPredicate: (query: string, t: T) => boolean | ||
| searchPlaceholder: string | ||
| } | ||
|
|
||
| // <T extends {}> is workaround for <T> being recognized as JSX element instead of generics | ||
| const SearchableSelect = <T extends {}>({ | ||
| label, | ||
| defaultItem, | ||
| items, | ||
| displaySelectedItem, | ||
| displaySelectedItemClassName, | ||
| displayItem, | ||
| onSelect, | ||
| searchPredicate, | ||
| searchPlaceholder, | ||
| }: Props<T>) => { | ||
| const inputEl = useRef<HTMLInputElement>(null) | ||
| const dropdownEl = useRef<HTMLDivElement>(null) | ||
| const [visible, setVisible] = useState(false) | ||
| const [value, setValue] = useState(defaultItem) | ||
| const [search, setSearch] = useState('') | ||
| const shouldShowItem = (item: T) => searchPredicate(search, item) | ||
| const showDropdown = (bool: boolean) => { | ||
| setVisible(bool) | ||
| setSearch('') | ||
| if (bool) { | ||
| inputEl.current.focus() | ||
| } | ||
| } | ||
|
|
||
| useEffect(() => { | ||
| dropdownEl.current.scrollTop = 0 | ||
| }) | ||
|
|
||
| return ( | ||
| <div className="searchable-select-wrapper" onMouseLeave={() => showDropdown(false)}> | ||
| <div className="searchable-select-label">{label}</div> | ||
| <div | ||
| className={`searchable-select ${displaySelectedItemClassName}`} | ||
| onMouseUp={() => showDropdown(!visible)} | ||
| > | ||
| {displaySelectedItem(value)} | ||
| </div> | ||
| <div ref={dropdownEl} className={`searchable-select-dropdown ${visible ? '' : 'hide'}`}> | ||
| <input | ||
| ref={inputEl} | ||
| type="text" | ||
| className="searchable-select-input" | ||
| value={search} | ||
| onInput={(event: any) => setSearch(event.target.value)} | ||
| placeholder={searchPlaceholder} | ||
| /> | ||
| <div> | ||
| {items && | ||
| items.map((item, i) => ( | ||
| <div | ||
| className={`searchable-select-item ${shouldShowItem(item) ? '' : 'hide'}`} | ||
| key={i} | ||
| onMouseUp={() => { | ||
| setVisible(false) | ||
| setValue(item) | ||
| onSelect(item) | ||
| }} | ||
| > | ||
| {displayItem(item)} | ||
| </div> | ||
| ))} | ||
| </div> | ||
| </div> | ||
| </div> | ||
| ) | ||
| } | ||
|
|
||
| export default connect( | ||
| (state: State) => ({}), | ||
| actions | ||
| )(SearchableSelect) |
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