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import cx from 'classnames'
import PropTypes from 'prop-types'
import {getCurrentElementFocused} from '@s-ui/js/lib/dom'
import {getTarget} from '@s-ui/js/lib/react'
import {inputShapes, inputTypes} from '@s-ui/react-atom-input'
import useControlledState from '@s-ui/react-hooks/lib/useControlledState'
import useMergeRefs from '@s-ui/react-hooks/lib/useMergeRefs'
import {moleculeDropdownListSizes as SIZES} from '@s-ui/react-molecule-dropdown-list'
import MoleculeAutosuggestMultipleSelection from './components/MultipleSelection/index.js'
import MoleculeAutosuggestSingleSelection from './components/SingleSelection/index.js'
import {
AUTOSUGGEST_STATES,
BASE_CLASS,
CLASS_DISABLED,
CLOSE_KEYS_LIST,
getIsTypeableKey,
SELECT_KEYS_LIST
} from './config.js'
const MoleculeAutosuggest = ({
autoClose = true,
children,
disabled,
errorState,
id = '',
isOpen,
keysCloseList = CLOSE_KEYS_LIST,
keysSelection = SELECT_KEYS_LIST,
multiselection,
onBlur,
onChange,
onClear,
onEnter,
onFocus,
onSelect,
onToggle,
refMoleculeAutosuggest: refMoleculeAutosuggestFromProps = {},
refMoleculeAutosuggestInput: refMoleculeAutosuggestInputFromProps = {},
state,
...restProps
}) => {
const innerRefMoleculeAutosuggest = useRef()
const refMoleculeAutosuggest = useMergeRefs(innerRefMoleculeAutosuggest, refMoleculeAutosuggestFromProps)
const [isOpenState, setIsOpenState, isControlled] = useControlledState(isOpen, !!isOpen)
const refsMoleculeAutosuggestOptions = useRef([])
const innerRefMoleculeAutosuggestInput = useRef()
const refMoleculeAutosuggestInput = useMergeRefs(
innerRefMoleculeAutosuggestInput,
refMoleculeAutosuggestInputFromProps
)
const [focus, setFocus] = useState(false)
const handleToggle = (ev, {isOpen: nextIsOpenState}) => {
const {type} = ev
Iif (type !== 'change') {
setIsOpenState(nextIsOpenState, autoClose !== false)
} else Eif (!isOpenState) {
setIsOpenState(nextIsOpenState, nextIsOpenState && isOpen !== false)
}
typeof onToggle === 'function' && onToggle(ev, {isOpen: nextIsOpenState})
}
const extendedChildren = Children.toArray(children)
.filter(Boolean)
.map((child, index) => {
refsMoleculeAutosuggestOptions.current[index] = createRef()
return cloneElement(child, {
innerRef: refsMoleculeAutosuggestOptions.current[index],
selectKey: keysSelection
})
})
const className = cx(
BASE_CLASS,
errorState && `${BASE_CLASS}--${AUTOSUGGEST_STATES.ERROR}`,
errorState === false && `${BASE_CLASS}--${AUTOSUGGEST_STATES.SUCCESS}`,
state && `${BASE_CLASS}--${state}`,
{
[CLASS_DISABLED]: disabled
}
)
const closeList = ev => {
const {current: domMoleculeAutosuggest} = innerRefMoleculeAutosuggest
handleToggle(ev, {isOpen: false})
if (multiselection && typeof onChange === 'function') {
onChange(ev, {value: ''})
}
domMoleculeAutosuggest && !focus && domMoleculeAutosuggest.focus()
setFocus(false)
ev.preventDefault()
ev.stopPropagation()
}
const focusFirstOption = (ev, {options}) => {
if (options[0]) options[0].focus()
ev.preventDefault()
ev.stopPropagation()
}
const handleKeyDown = ev => {
ev.persist()
const {current: domInnerInput} = refMoleculeAutosuggestInput
const {current: optionsFromRef} = refsMoleculeAutosuggestOptions
const {key} = ev
const options = optionsFromRef.map(getTarget)
const isTypeableKey = getIsTypeableKey(key)
const isSelectionKey = keysSelection.includes(key)
Eif (isTypeableKey) {
Iif (!isSelectionKey && domInnerInput) domInnerInput.focus()
}
Iif (isOpenState) {
const currentElementFocused = getCurrentElementFocused()
const isSomeOptionFocused = [...options].includes(currentElementFocused)
if (keysCloseList.includes(key)) closeList(ev)
else if (key === 'ArrowDown' && !isSomeOptionFocused) focusFirstOption(ev, {options})
else if (isSomeOptionFocused) handleFocusIn(ev)
if (key === 'Enter') {
typeof onEnter === 'function' && onEnter(ev)
handleFocusInput()
}
}
}
const handleFocusIn = ev => {
typeof onFocus === 'function' && onFocus(ev)
setFocus(true)
}
const handleFocusOut = ev => {
ev.persist()
const {current: domContainer} = innerRefMoleculeAutosuggest
const {current: domInnerInput} = innerRefMoleculeAutosuggestInput
const {current: optionsFromRef} = refsMoleculeAutosuggestOptions
const options = optionsFromRef.map(getTarget)
setTimeout(() => {
const currentElementFocused = getCurrentElementFocused()
const focusOutFromOutside =
![domInnerInput, ...options].includes(currentElementFocused) && !domContainer.contains(currentElementFocused)
if (focusOutFromOutside) {
if (autoClose && isOpenState) {
closeList(ev)
} else {
setFocus(false)
}
typeof onBlur === 'function' && onBlur()
}
}, 1)
setFocus(true)
}
const handleInputKeyDown = ev => {
const {key} = ev
if (key === 'Enter') {
typeof onEnter === 'function' && onEnter(ev)
onEnter && typeof onEnter === 'function' && autoClose && closeList(ev)
}
}
const handleClick = () => {
handleFocusInput()
}
const handleFocusInput = () => {
const {current: innerRefInput} = innerRefMoleculeAutosuggestInput
if (innerRefInput && (!isControlled || autoClose)) {
innerRefInput.focus()
}
}
const handleClear = ev => {
ev.stopPropagation()
handleFocusInput()
if (onClear) {
onClear(ev)
}
}
const autosuggestSelectionProps = {
autoClose,
children: extendedChildren,
disabled,
errorState,
id,
innerRefInput: refMoleculeAutosuggestInput,
isOpen: isOpenState,
keysCloseList,
keysSelection,
onBlur,
onChange,
onClear: handleClear,
onEnter,
onFocus,
onInputKeyDown: handleInputKeyDown,
onKeyDown: handleKeyDown,
onSelect,
onToggle: handleToggle,
state,
...restProps
}
const AutosuggestSelection = multiselection
? MoleculeAutosuggestMultipleSelection
: MoleculeAutosuggestSingleSelection
return (
<div
ref={refMoleculeAutosuggest}
tabIndex="0"
className={className}
onKeyDown={handleKeyDown}
onFocus={handleFocusIn}
onBlur={handleFocusOut}
onClick={handleClick}
role="combobox"
aria-controls={id}
aria-expanded={isOpenState}
>
<AutosuggestSelection {...autosuggestSelectionProps} />
</div>
)
}
MoleculeAutosuggest.propTypes = {
/** Auto close suggestion list. */
autoClose: PropTypes.bool,
/** children */
children: PropTypes.any,
/** if the component is disabled or not */
disabled: PropTypes.bool,
/** true = error, false = success, null = neutral */
errorState: PropTypes.bool,
/** Icon for clearing values */
iconClear: PropTypes.node,
/** Icon for closing (removing) tags */
iconCloseTag: PropTypes.node,
/** The DOM id global attribute. */
id: PropTypes.string,
/** To select input keyboard mode on mobile. It can be 'numeric', 'decimal', 'email', etc */
inputMode: PropTypes.string,
/** if list of options is displayed or not */
isOpen: PropTypes.bool,
/** list of key identifiers that will close the list */
keysCloseList: PropTypes.array,
/** list of key identifiers that will trigger a selection */
keysSelection: PropTypes.array,
/** Left UI Icon */
leftIcon: PropTypes.node,
/** Max allowed input value length */
maxLength: PropTypes.number,
/** Min required input value length */
minLength: PropTypes.number,
/** if select accept single value or multiple values */
multiselection: PropTypes.bool,
/** callback to be called when input losses focus */
onBlur: PropTypes.func,
/** callback to be called with every update of the input value */
onChange: PropTypes.func,
/** callback to be called when clear icon is clicked */
onClear: PropTypes.func,
/** callback to be called with every update of the list of tags */
onChangeTags: PropTypes.func,
/** callback triggered when the user clicks on right icon */
onClickRightIcon: PropTypes.func,
/** callback triggered when the user press enter when the suggestion is closed */
onEnter: PropTypes.func,
/** callback triggered when the user focuses on the input */
onFocus: PropTypes.func,
/** callback triggered when the user selects the suggested item */
onSelect: PropTypes.func,
/** callback when arrow up/down is clicked → to show/hide list of options */
onToggle: PropTypes.func,
/** list of values to be displayed on the select */
options: PropTypes.array,
/** object generated w/ React.createRef method to get a DOM reference of wrapper div */
refMoleculeAutosuggest: PropTypes.object,
/** object generated w/ React.createRef method to get a DOM reference of internal input */
refMoleculeAutosuggestInput: PropTypes.object,
/** native required html attribute */
required: PropTypes.bool,
/** Button prop to be passe down to the input field */
rightButton: PropTypes.node,
/** Right UI Icon */
rightIcon: PropTypes.node,
/** size (height) of the list */
size: PropTypes.oneOf(Object.values(SIZES)),
/** Will set a red/green/orange border if set to 'error' / 'success' / 'alert' */
state: PropTypes.oneOf(Object.values(AUTOSUGGEST_STATES)),
/** Sets the shape of the input field. It can be 'rounded', 'square' or 'circle' */
shape: PropTypes.oneOf(Object.values(inputShapes)),
/** native tabIndex html attribute */
tabIndex: PropTypes.number,
/** list of values displayed as tags */
tags: PropTypes.array,
/** native input types (text, date, ...), 'sui-password' */
type: PropTypes.oneOf(Object.values(inputTypes)),
/** value selected */
value: PropTypes.any
}
MoleculeAutosuggest.displayName = 'MoleculeAutosuggest'
export {SIZES as MoleculeAutosuggestDropdownListSizes}
export {AUTOSUGGEST_STATES as MoleculeAutosuggestStates}
export default MoleculeAutosuggest
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