421 lines
13 KiB
JavaScript
421 lines
13 KiB
JavaScript
/* eslint-disable */
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import React, { Component, PropTypes } from 'react';
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import ReactDOM from 'react-dom';
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import classnames from 'classnames';
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import { themr } from 'react-css-themr';
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import { AUTOCOMPLETE } from '../identifiers.js';
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import InjectChip from '../chip/Chip.js';
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import InjectInput from '../input/Input.js';
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import events from '../utils/events.js';
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const POSITION = {
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AUTO: 'auto',
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DOWN: 'down',
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UP: 'up',
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};
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const factory = (Chip, Input) => {
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class Autocomplete extends Component {
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static propTypes = {
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allowCreate: PropTypes.bool,
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className: PropTypes.string,
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direction: PropTypes.oneOf(['auto', 'up', 'down']),
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disabled: PropTypes.bool,
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error: React.PropTypes.oneOfType([
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React.PropTypes.string,
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React.PropTypes.node,
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]),
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keepFocusOnChange: PropTypes.bool,
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label: React.PropTypes.oneOfType([
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React.PropTypes.string,
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React.PropTypes.node,
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]),
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multiple: PropTypes.bool,
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onBlur: PropTypes.func,
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onChange: PropTypes.func,
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onFocus: PropTypes.func,
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onQueryChange: PropTypes.func,
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query: PropTypes.string,
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selectedPosition: PropTypes.oneOf(['above', 'below', 'none']),
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showSelectedWhenNotInSource: PropTypes.bool,
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showSuggestionsWhenValueIsSet: PropTypes.bool,
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source: PropTypes.any,
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suggestionMatch: PropTypes.oneOf(['disabled', 'start', 'anywhere', 'word']),
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theme: PropTypes.shape({
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active: PropTypes.string,
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autocomplete: PropTypes.string,
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focus: PropTypes.string,
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input: PropTypes.string,
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suggestion: PropTypes.string,
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suggestions: PropTypes.string,
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up: PropTypes.string,
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value: PropTypes.string,
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values: PropTypes.string,
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}),
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value: PropTypes.any,
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};
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static defaultProps = {
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allowCreate: false,
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className: '',
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direction: 'auto',
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keepFocusOnChange: false,
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multiple: true,
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selectedPosition: 'above',
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showSelectedWhenNotInSource: false,
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showSuggestionsWhenValueIsSet: false,
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source: {},
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suggestionMatch: 'start',
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};
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state = {
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direction: this.props.direction,
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focus: false,
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showAllSuggestions: this.props.showSuggestionsWhenValueIsSet,
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query: this.props.query ? this.props.query : this.query(this.props.value),
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isValueAnObject: false,
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};
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componentWillReceiveProps(nextProps) {
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if (!this.props.multiple) {
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const query = nextProps.query ? nextProps.query : this.query(nextProps.value);
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this.updateQuery(query, false);
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}
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}
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shouldComponentUpdate(nextProps, nextState) {
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if (!this.state.focus && nextState.focus && this.props.direction === POSITION.AUTO) {
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const direction = this.calculateDirection();
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if (this.state.direction !== direction) {
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this.setState({ direction });
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}
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}
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return true;
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}
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handleChange = (values, event) => {
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const value = this.props.multiple ? values : values[0];
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const { showSuggestionsWhenValueIsSet: showAllSuggestions } = this.props;
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const query = this.query(value);
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if (this.props.onChange) this.props.onChange(value, event);
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if (this.props.keepFocusOnChange) {
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this.setState({ query, showAllSuggestions });
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} else {
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this.setState({ focus: false, query, showAllSuggestions }, () => {
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ReactDOM.findDOMNode(this).querySelector('input').blur();
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});
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}
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this.updateQuery(query, this.props.query);
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};
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handleMouseDown = (event) => {
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this.selectOrCreateActiveItem(event);
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}
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handleQueryBlur = (event) => {
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if (this.state.focus) this.setState({ focus: false });
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if (this.props.onBlur) this.props.onBlur(event, this.state.active);
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};
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updateQuery = (query, notify) => {
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if (notify && this.props.onQueryChange) this.props.onQueryChange(query);
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this.setState({ query });
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}
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handleQueryChange = (value) => {
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const query = this.clearQuery ? '' : value;
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this.clearQuery = false;
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this.updateQuery(query, true);
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this.setState({ showAllSuggestions: false, active: null });
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};
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handleQueryFocus = (event) => {
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this.suggestionsNode.scrollTop = 0;
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this.setState({ active: '', focus: true });
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if (this.props.onFocus) this.props.onFocus(event);
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};
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handleQueryKeyDown = (event) => {
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// Mark query for clearing in handleQueryChange when pressing backspace and showing all suggestions.
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this.clearQuery = (
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event.which === 8
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&& this.props.showSuggestionsWhenValueIsSet
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&& this.state.showAllSuggestions
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);
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if (event.which === 13) {
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this.selectOrCreateActiveItem(event);
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}
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};
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handleQueryKeyUp = (event) => {
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if (event.which === 27) ReactDOM.findDOMNode(this).querySelector('input').blur();
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if ([40, 38].indexOf(event.which) !== -1) {
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const suggestionsKeys = [...this.suggestions().keys()];
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let index = suggestionsKeys.indexOf(this.state.active) + (event.which === 40 ? +1 : -1);
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if (index < 0) index = suggestionsKeys.length - 1;
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if (index >= suggestionsKeys.length) index = 0;
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this.setState({ active: suggestionsKeys[index] });
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}
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};
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handleSuggestionHover = (event) => {
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this.setState({ active: event.target.id });
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};
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calculateDirection() {
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if (this.props.direction === 'auto') {
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const client = ReactDOM.findDOMNode(this.inputNode).getBoundingClientRect();
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const screen_height = window.innerHeight || document.documentElement.offsetHeight;
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const up = client.top > ((screen_height / 2) + client.height);
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return up ? 'up' : 'down';
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}
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return this.props.direction;
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}
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query(key) {
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let query_value = '';
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if (!this.props.multiple && key) {
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const source_value = this.source().get(`${key}`);
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query_value = source_value || key;
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}
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return query_value;
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}
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selectOrCreateActiveItem(event) {
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let target = this.state.active;
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if (!target) {
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target = this.props.allowCreate
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? this.state.query
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: [...this.suggestions().keys()][0];
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this.setState({ active: target });
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}
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this.select(event, target);
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}
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normalise(value) {
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const sdiak = 'áâäąáâäąččććççĉĉďđďđééěëēėęéěëēėęĝĝğğġġģģĥĥħħíîíîĩĩīīĭĭįįi̇ıĵĵķķĸĺĺļļŀŀłłĺľĺľňńņŋŋņňńʼnóöôőøōōóöőôøřřŕŕŗŗššśśŝŝşşţţťťŧŧũũūūŭŭůůűűúüúüűųųŵŵýyŷŷýyžžźźżżß';
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const bdiak = 'AAAAAAAACCCCCCCCDDDDEEEEEEEEEEEEEGGGGGGGGHHHHIIIIIIIIIIIIIIJJKKKLLLLLLLLLLLLNNNNNNNNNOOOOOOOOOOOORRRRRRSSSSSSSSTTTTTTUUUUUUUUUUUUUUUUUWWYYYYYYZZZZZZS';
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let normalised = '';
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for (let p = 0; p < value.length; p++) {
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if (sdiak.indexOf(value.charAt(p)) !== -1) {
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normalised += bdiak.charAt(sdiak.indexOf(value.charAt(p)));
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} else {
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normalised += value.charAt(p);
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}
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}
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return normalised.toLowerCase().trim();
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}
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suggestions() {
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let suggest = new Map();
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const rawQuery = this.state.query || (this.props.multiple ? '' : this.props.value);
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const query = this.normalise((`${rawQuery}`));
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const values = this.values();
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const source = this.source();
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// Suggest any non-set value which matches the query
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if (this.props.multiple) {
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for (const [key, value] of source) {
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if (!values.has(key) && this.matches(this.normalise(value), query)) {
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suggest.set(key, value);
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}
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}
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// When multiple is false, suggest any value which matches the query if showAllSuggestions is false
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} else if (query && !this.state.showAllSuggestions) {
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for (const [key, value] of source) {
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if (this.matches(this.normalise(value), query)) {
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suggest.set(key, value);
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}
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}
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// When multiple is false, suggest all values when showAllSuggestions is true
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} else {
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suggest = source;
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}
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return suggest;
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}
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matches(value, query) {
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const { suggestionMatch } = this.props;
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if (suggestionMatch === 'disabled') {
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return true;
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} else if (suggestionMatch === 'start') {
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return value.startsWith(query);
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} else if (suggestionMatch === 'anywhere') {
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return value.includes(query);
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} else if (suggestionMatch === 'word') {
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const re = new RegExp(`\\b${query}`, 'g');
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return re.test(value);
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}
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return false;
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}
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source() {
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const { source: src } = this.props;
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if (src.hasOwnProperty('length')) {
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return new Map(src.map(item => Array.isArray(item) ? [...item] : [item, item]));
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}
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return new Map(Object.keys(src).map(key => [`${key}`, src[key]]));
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}
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values() {
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let vals = this.props.multiple ? this.props.value : [this.props.value];
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if (!vals) vals = [];
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if (this.props.showSelectedWhenNotInSource && this.isValueAnObject()) {
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return new Map(Object.entries(vals));
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}
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const valueMap = new Map();
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const stringVals = vals.map(v => `${v}`);
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for (const [k, v] of this.source()) {
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if (stringVals.indexOf(k) !== -1) valueMap.set(k, v);
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}
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return valueMap;
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}
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select = (event, target) => {
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events.pauseEvent(event);
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const values = this.values(this.props.value);
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const source = this.source();
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const newValue = target === void 0 ? event.target.id : target;
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if (this.isValueAnObject()) {
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const newItem = Array.from(source).reduce((obj, [k, value]) => {
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if (k === newValue) {
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obj[k] = value;
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}
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return obj;
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}, {});
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return this.handleChange(Object.assign(this.mapToObject(values), newItem), event);
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}
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this.handleChange([newValue, ...values.keys()], event);
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};
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unselect(key, event) {
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if (!this.props.disabled) {
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const values = this.values(this.props.value);
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values.delete(key);
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if (this.isValueAnObject()) {
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return this.handleChange(this.mapToObject(values), event);
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}
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this.handleChange([...values.keys()], event);
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}
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}
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isValueAnObject() {
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return !Array.isArray(this.props.value) && typeof this.props.value === 'object';
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}
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mapToObject(map) {
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return Array.from(map).reduce((obj, [k, value]) => {
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obj[k] = value;
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return obj;
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}, {});
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}
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renderSelected() {
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if (this.props.multiple) {
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const selectedItems = [...this.values()].map(([key, value]) => (
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<Chip
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key={key}
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className={this.props.theme.value}
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deletable
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onDeleteClick={this.unselect.bind(this, key)}
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>
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{value}
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</Chip>
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));
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return <ul className={this.props.theme.values}>{selectedItems}</ul>;
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}
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}
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renderSuggestions() {
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const { theme } = this.props;
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const suggestions = [...this.suggestions()].map(([key, value]) => {
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const className = classnames(theme.suggestion, { [theme.active]: this.state.active === key });
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return (
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<li
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id={key}
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key={key}
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className={className}
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onMouseDown={this.handleMouseDown}
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onMouseOver={this.handleSuggestionHover}
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>
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{value}
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</li>
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);
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});
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return (
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<ul
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className={classnames(theme.suggestions, { [theme.up]: this.state.direction === 'up' })}
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ref={(node) => { this.suggestionsNode = node; }}
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>
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{suggestions}
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</ul>
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);
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}
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render() {
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const {
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allowCreate, error, label, source, suggestionMatch, query, // eslint-disable-line no-unused-vars
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selectedPosition, keepFocusOnChange, showSuggestionsWhenValueIsSet, showSelectedWhenNotInSource, onQueryChange, // eslint-disable-line no-unused-vars
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theme, ...other
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} = this.props;
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const className = classnames(theme.autocomplete, {
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[theme.focus]: this.state.focus,
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}, this.props.className);
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return (
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<div data-react-toolbox="autocomplete" className={className}>
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{this.props.selectedPosition === 'above' ? this.renderSelected() : null}
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<Input
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{...other}
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ref={(node) => { this.inputNode = node; }}
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autoComplete="off"
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className={theme.input}
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error={error}
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label={label}
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onBlur={this.handleQueryBlur}
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onChange={this.handleQueryChange}
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onFocus={this.handleQueryFocus}
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onKeyDown={this.handleQueryKeyDown}
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onKeyUp={this.handleQueryKeyUp}
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theme={theme}
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themeNamespace="input"
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value={this.state.query}
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/>
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{this.renderSuggestions()}
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{this.props.selectedPosition === 'below' ? this.renderSelected() : null}
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</div>
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);
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}
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}
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return Autocomplete;
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};
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const Autocomplete = factory(InjectChip, InjectInput);
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export default themr(AUTOCOMPLETE)(Autocomplete);
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export { factory as autocompleteFactory };
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export { Autocomplete };
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