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| import React from 'react'
require('@webcomponents/shadydom');
import PropTypes from 'prop-types'
import styled from 'styled-components'
import enhanceWithClickOutside from 'react-click-outside'
import uuid from 'uuid';
import SelectAsync from './Async'
import shadowDOM from '../helpers/shadowDOM'
import {
KEY_UP,
KEY_ESC,
KEY_DOWN,
KEY_ENTER,
KEY_BACKSPACE
} from './constants'
const SEARCH_INPUT_MIN_SIZE = 1;
import Select from './partials/Select'
import SelectMenu from './partials/SelectMenu'
import SelectValue from './partials/SelectValue'
import SelectMultiValue from './partials/SelectMultiValue'
import SelectClear from './partials/SelectClear'
import SelectArrow from './partials/SelectArrow'
import SelectInput from './partials/SelectInput'
import SelectInputField from './partials/SelectInputField'
import SelectInputFieldSize from './partials/SelectInputFieldSize'
import SelectControl from './partials/SelectControl'
import SelectNoResults from './partials/SelectNoResults'
import SelectClearZone from './partials/SelectClearZone'
import SelectArrowZone from './partials/SelectArrowZone'
import SelectMenuOuter from './partials/SelectMenuOuter'
import SelectPlaceholder from './partials/SelectPlaceholder'
import SelectValueWrapper from './partials/SelectValueWrapper'
import SelectMultiValueWrapper from './partials/SelectMultiValueWrapper'
import ValueRenderer from './renderers/ValueRenderer'
import OptionRenderer from './renderers/OptionRenderer'
import stringifyValue from './functions/stringifyValue'
class WrapperSelect extends React.PureComponent {
constructor(props) {
super(props)
this.indexValues(props)
let values = [];
if (props.value && this.optionsMap.hasOwnProperty(props.value)) {
values.push(props.value);
}
Iif (Array.isArray(props.value)) {
values = values.concat(props.value);
}
this.state = {
values: new Set(values),
isOpened: false,
isFocused: false,
isSelected: false,
searchTerm: null,
searchWidth: 1,
focusedIndex: 0,
options: props.options,
'aria-owns': this.props['aria-owns'] || uuid.v4(),
'input-field-id': uuid.v4()
}
this.inputInnerRef = null
this.searchSizeRef = null
this.shouldFireClickOutsideHack = null
}
indexValues(props) {
this.optionsMap = props.options.reduce((agregate, current) => {
agregate[current.value] = current
return agregate
}, {})
}
openOptions() {
this.setState({
options: this.getOptions(),
focusedIndex: 0,
isOpened: true
});
this.props.onOpen();
}
closeOptions() {
this.setState({ isOpened: false });
this.props.onClose();
}
setFocus() {
setTimeout(() => {
this.inputInnerRef && this.inputInnerRef.focus();
}, 10);
}
// react-click-outside callback
handleClickOutside(event) {
if (this.state.isOpened && this.shouldFireClickOutsideHack) {
this.closeOptions()
this.shouldFireClickOutsideHack = false
}
}
onRemoveTag = (props, e) => {
e.stopPropagation();
const { multi } = this.props;
this.state.values.delete(props.value);
this.setState({
values: new Set(Array.from(this.state.values))
}, () => {
this.props.onChange(Array.from(this.state.values));
});
}
resetField() {
const { multi } = this.props;
let values = [];
Iif (multi) {
values = Array.from(this.state.values);
values.pop();
this.props.onChange(values);
}
this.setState({
values: new Set(values),
searchTerm: null,
focusedIndex: 0,
options: this.props.options,
}, () => {
this.closeOptions()
this.inputInnerRef.value = ''
this.props.onInputClear()
})
}
onClearValue = (event) => {
event.preventDefault()
event.stopPropagation()
this.resetField();
}
onSelectValue = (newValue, event) => {
const { multi } = this.props;
const { values } = this.state;
!multi && values.clear(); // when is not multi select
Eif (!values.has(newValue)) {
values.add(newValue);
this.setState({
values,
searchTerm: null,
focusedIndex: 0
}, () => {
this.inputInnerRef.value = ''
this.props.onChange(multi ? Array.from(values) : newValue);
})
}
this.closeOptions()
this.props.onValueClick(multi ? Array.from(values) : newValue, event);
}
onSelectFocused = (event) => {
this.shouldFireClickOutsideHack = false
clearInterval(this.focusedTimeout)
this.focusedTimeout = window.setTimeout(() => {
this.shouldFireClickOutsideHack = true
}, 200)
this.setState({
isFocused: true
})
this.openOptions();
this.setFocus();
}
getOptions() {
const { multi } = this.props;
const { values } = this.state;
return this.props.options.filter((opt) => {
const label = opt.label.toLowerCase().trim()
Iif (values.has(label) && multi) {
return false;
}
return true;
});
}
onSearching = (event) => {
const { onInputChange, onTyping } = this.props
const { focusedIndex, options, isOpened } = this.state;
const typing = () => {
const term = this.inputInnerRef.value.toLowerCase().trim()
onTyping(term)
const filteredOptions = this.getOptions().filter((opt) => {
const label = opt.label.toLowerCase().trim()
return label.indexOf(term) !== -1
});
this.setState({
searchTerm: this.inputInnerRef.value,
searchWidth,
options: filteredOptions,
isOpened: true,
focusedIndex: 0
})
let searchWidth = SEARCH_INPUT_MIN_SIZE;
Eif (this.searchSizeRef) {
const width = this.searchSizeRef.getBoundingClientRect().width;
searchWidth = width > SEARCH_INPUT_MIN_SIZE ? width : SEARCH_INPUT_MIN_SIZE;
}
setTimeout(() => {
this.setState({ searchWidth })
});
}
const lastIndex = (options.length - 1)
switch (event.keyCode) {
case KEY_BACKSPACE: // backspace
Eif (!this.inputInnerRef.value) {
this.resetField();
break;
}
setTimeout(typing, 1);
break;
case KEY_UP:
this.setState({
focusedIndex: (focusedIndex <= 0 ? lastIndex : (focusedIndex - 1))
})
break;
case KEY_DOWN:
Eif (!isOpened) {
this.openOptions();
break;
}
this.setState({
focusedIndex: (focusedIndex >= lastIndex ? 0 : (focusedIndex + 1))
})
break;
case KEY_ENTER:
if (!options.length) break;
const newValue = options[focusedIndex].value
this.onSelectValue(newValue, event);
break;
case KEY_ESC:
this.closeOptions();
break;
default:
setTimeout(typing, 1);
}
}
renderSelectMultiValueWrapper() {
const { multi, placeholder, searchable, classes, valueRenderer } = this.props;
const { values, isOpened, isSelected, searchTerm, searchWidth } = this.state;
const SelectValueComp = multi ? SelectMultiValue : SelectValue;
const SelectWrapperComp = multi ? SelectMultiValueWrapper : SelectValueWrapper;
let content = '';
if (values.size) {
content = Array.from(values).map((value, key) => (
<SelectValueComp value={value} onRemoveTag={this.onRemoveTag} key={key} className={classes.selectValue} data-select-value data-multi-value={multi}>
{valueRenderer({ multi, value, label: this.optionsMap[value].label }, classes.selectValueLabel)}
</SelectValueComp>
));
}
if (!values.size && !searchTerm) {
content = (
<SelectPlaceholder
className={classes.selectPlaceholder}
data-select-placeholder>{placeholder}</SelectPlaceholder>
)
}
if (!searchable) {
return (
<SelectWrapperComp
for={this.state['input-field-id']}
className={classes.selectMultiValueWrapper}
data-select-multi-value-wrapper={multi}>
{content}
</SelectWrapperComp>
);
}
return (
<SelectWrapperComp
for={this.state['input-field-id']}
className={classes.selectMultiValueWrapper}
data-select-multi-value-wrapper={multi}>
{content}
<SelectInput data-select-input className={classes.selectInput}>
<SelectInputField
style={{width: `${searchWidth}px`}}
id={this.state['input-field-id']}
className={classes.selectInputField}
data-select-input-search
onKeyDown={this.onSearching}
onChange={this.props.onInputChange}
innerRef={(n) => this.inputInnerRef = n}
aria-label={placeholder}
aria-expanded={isOpened}
aria-owns={this.state['aria-owns']}
role="combobox" type="text" />
</SelectInput>
<SelectInputFieldSize
data-select-input-size
innerRef={(n) => this.searchSizeRef = n}>{searchTerm}</SelectInputFieldSize>
</SelectWrapperComp>
);
}
renderSelectMenuOuter() {
const { classes, noResultsText, optionRenderer } = this.props;
const { values, isOpened, focusedIndex, options } = this.state;
if (!isOpened) {
return (
<div aria-hidden="true" id={['aria-owns']} role="listbox">
<div role="option" tabIndex="-1" />
</div>
);
}
let selectOptions = <SelectNoResults>{noResultsText}</SelectNoResults>;
if (options.length > 0) {
selectOptions = options.map((opt, i) => {
const isSelected = values.has(opt.value);
const isFocused = focusedIndex === i;
return optionRenderer(Object.assign({
key: i,
'data-key': i,
isSelected,
id: this.state['aria-owns'],
className: classes.selectOption,
isFocused: focusedIndex == i,
tabIndex: values.has(opt.value) ? '0' : '-1',
onMouseOver: (e) => {
const dataKey = e.target.getAttribute('data-key');
this.setState({ focusedIndex: dataKey });
},
onMouseOut: (e) => {
this.setState({ focusedIndex: null });
},
onMouseDown: (e) => this.onSelectValue(opt.value, e)
}, opt), i);
});
}
return (
<SelectMenuOuter
className={classes.selectMenuOuter}
data-select-menu-outer>
<SelectMenu
role="listbox"
className={classes.selectMenu} data-select-menu>
{selectOptions}
</SelectMenu>
</SelectMenuOuter>
)
}
renderSelectClearZone() {
const { clearable, classes } = this.props;
if (!clearable) return;
return (
<SelectClearZone
className={classes.selectClearZone}
data-select-clear-zone onMouseDown={this.onClearValue}>
<SelectClear
className={classes.selectClear} data-select-clear>×</SelectClear>
</SelectClearZone>
);
}
componentDidMount() {
this.props.generatedClassName(this.selectNode.state.generatedClassName);
}
componentDidUpdate() {
this.props.generatedClassName(this.selectNode.state.generatedClassName);
}
componentWillReceiveProps(nextProps) {
this.setState({
options: nextProps.options
}, () => this.indexValues(nextProps))
}
render () {
const { name, disabled, className, classes } = this.props;
const { value, isSelected, isOpened } = this.state;
return (
<Select data-select className={className}
ref={(node) => this.selectNode = node} innerRef={(node) => this.selectInnerRef = node}>
<input type="hidden" name={name} value={stringifyValue(value)} disabled={disabled} />
<SelectControl
isOpened={isOpened}
aria-haspopup={isOpened}
className={classes.selectControl}
data-select-control onMouseDown={this.onSelectFocused}>
{this.renderSelectMultiValueWrapper()}
{this.renderSelectClearZone()}
<SelectArrowZone
className={classes.selectArrowZone} data-select-arrow-zone>
<SelectArrow isOpened={isOpened} className={classes.selectArrow} data-select-arrow />
</SelectArrowZone>
</SelectControl>
{this.renderSelectMenuOuter()}
</Select>
)
}
}
WrapperSelect.propTypes = {
value: PropTypes.any,
options: PropTypes.array,
onClose: PropTypes.func,
onOpen: PropTypes.func,
onChange: PropTypes.func,
onValueClick: PropTypes.func,
onInputClear: PropTypes.func,
clearable: PropTypes.bool,
placeholder: PropTypes.string,
className: PropTypes.string,
classes: PropTypes.object,
noResultsText: PropTypes.oneOfType([
PropTypes.string,
PropTypes.element
]),
generatedClassName: PropTypes.func
}
WrapperSelect.defaultProps = {
onClose: () => {},
onOpen: () => {},
onChange: () => {},
onInputChange: () => {},
onTyping: () => {},
onValueClick: () => {},
onInputClear: () => {},
clearable: false,
searchable: true,
multi: false,
options: [],
placeholder: 'Select...',
noResultsText: 'No results found',
classes: {
selectArrow: '',
selectArrowZone: '',
selectClear: '',
selectClearZone: '',
selectControl: '',
selectInput: '',
selectInputField: '',
selectMenu: '',
selectMenuOuter: '',
selectMultiValueWrapper: '',
selectOption: '',
selectPlaceholder: '',
selectValue: '',
selectValueLabel: ''
},
valueRenderer: ValueRenderer,
optionRenderer: OptionRenderer,
generatedClassName: () => {}
}
const EnhanceWrapperSelect = enhanceWithClickOutside(WrapperSelect)
const ShadowWrapperSelect = shadowDOM(EnhanceWrapperSelect)
const NormalAsync = props => <SelectAsync {...props}><EnhanceWrapperSelect /></SelectAsync>
const ShadowAsync = props => <SelectAsync {...props}><ShadowWrapperSelect /></SelectAsync>
ShadowWrapperSelect.Async = ShadowAsync
export const Async = EnhanceWrapperSelect.Async = NormalAsync
export const ShadowDOM = EnhanceWrapperSelect.ShadowDOM = ShadowWrapperSelect
export default EnhanceWrapperSelect
|