mirror of
https://github.com/naturalcrit/homebrewery.git
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129
client/components/combobox.jsx
Normal file
129
client/components/combobox.jsx
Normal file
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import React from 'react';
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import createReactClass from 'create-react-class';
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import _ from 'lodash';
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import './combobox.less';
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const Combobox = createReactClass({
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displayName : 'Combobox',
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getDefaultProps : function() {
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return {
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className : '',
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trigger : 'hover',
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default : '',
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placeholder : '',
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autoSuggest : {
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clearAutoSuggestOnClick : true,
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suggestMethod : 'includes',
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filterOn : [] // should allow as array to filter on multiple attributes, or even custom filter
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},
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};
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},
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getInitialState : function() {
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return {
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showDropdown : false,
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value : '',
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options : [...this.props.options],
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inputFocused : false
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};
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},
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componentDidMount : function() {
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if(this.props.trigger == 'click')
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document.addEventListener('click', this.handleClickOutside);
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this.setState({
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value : this.props.default
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});
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},
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componentWillUnmount : function() {
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if(this.props.trigger == 'click')
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document.removeEventListener('click', this.handleClickOutside);
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},
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handleClickOutside : function(e){
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// Close dropdown when clicked outside
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if(this.refs.dropdown && !this.refs.dropdown.contains(e.target)) {
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this.handleDropdown(false);
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}
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},
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handleDropdown : function(show){
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this.setState({
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value : show ? '' : this.props.default,
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showDropdown : show,
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inputFocused : this.props.autoSuggest.clearAutoSuggestOnClick ? show : false
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});
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},
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handleInput : function(e){
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e.persist();
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this.setState({
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value : e.target.value,
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inputFocused : false
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}, ()=>{
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this.props.onEntry(e);
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});
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},
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handleSelect : function(value, data=value){
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this.setState({
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value : value
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}, ()=>{this.props.onSelect(data);});
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;
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},
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renderTextInput : function(){
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return (
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<div className='dropdown-input item'
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onMouseEnter={this.props.trigger == 'hover' ? ()=>{this.handleDropdown(true);} : undefined}
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onClick= {this.props.trigger == 'click' ? ()=>{this.handleDropdown(true);} : undefined}>
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<input
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type='text'
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onChange={(e)=>this.handleInput(e)}
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value={this.state.value || ''}
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placeholder={this.props.placeholder}
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onBlur={(e)=>{
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if(!e.target.checkValidity()){
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this.setState({
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value : this.props.default
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});
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}
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}}
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/>
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<i className='fas fa-caret-down'/>
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</div>
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);
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},
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renderDropdown : function(dropdownChildren){
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if(!this.state.showDropdown) return null;
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if(this.props.autoSuggest && !this.state.inputFocused){
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const suggestMethod = this.props.autoSuggest.suggestMethod;
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const filterOn = _.isString(this.props.autoSuggest.filterOn) ? [this.props.autoSuggest.filterOn] : this.props.autoSuggest.filterOn;
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const filteredArrays = filterOn.map((attr)=>{
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const children = dropdownChildren.filter((item)=>{
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if(suggestMethod === 'includes')
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return item.props[attr]?.toLowerCase().includes(this.state.value.toLowerCase());
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if(suggestMethod === 'startsWith')
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return item.props[attr]?.toLowerCase().startsWith(this.state.value.toLowerCase());
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});
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return children;
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});
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dropdownChildren = _.uniq(filteredArrays.flat(1));
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}
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return (
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<div className='dropdown-options'>
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{dropdownChildren}
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</div>
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);
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},
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render : function () {
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const dropdownChildren = this.state.options.map((child, i)=>{
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const clone = React.cloneElement(child, { onClick: ()=>this.handleSelect(child.props.value, child.props.data) });
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return clone;
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});
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return (
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<div className={`dropdown-container ${this.props.className}`}
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ref='dropdown'
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onMouseLeave={this.props.trigger == 'hover' ? ()=>{this.handleDropdown(false);} : undefined}>
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{this.renderTextInput()}
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{this.renderDropdown(dropdownChildren)}
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</div>
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);
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}
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});
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export default Combobox;
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