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[Maps] Autocomplete for custom color palettes and custom icon palettes (
elastic#56446) * [Maps] type ahead for stop values for custom color maps and custom icon maps * use Popover to show type ahead suggestions * datalist version * use EuiComboBox * clean up * wire ColorStopsCategorical to use StopInput component for autocomplete * clean up * cast suggestion values to string so boolean fields work * review feedback * fix problem with stall suggestions from previous field Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
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148
x-pack/legacy/plugins/maps/public/layers/styles/vector/components/stop_input.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,148 @@ | ||
| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the Elastic License; | ||
| * you may not use this file except in compliance with the Elastic License. | ||
| */ | ||
|
|
||
| import _ from 'lodash'; | ||
| import React, { Component } from 'react'; | ||
|
|
||
| import { EuiComboBox, EuiFieldText } from '@elastic/eui'; | ||
|
|
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| export class StopInput extends Component { | ||
| constructor(props) { | ||
| super(props); | ||
| this.state = { | ||
| suggestions: [], | ||
| isLoadingSuggestions: false, | ||
| hasPrevFocus: false, | ||
| fieldDataType: undefined, | ||
| localFieldTextValue: props.value, | ||
| }; | ||
| } | ||
|
|
||
| componentDidMount() { | ||
| this._isMounted = true; | ||
| this._loadFieldDataType(); | ||
| } | ||
|
|
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| componentWillUnmount() { | ||
| this._isMounted = false; | ||
| this._loadSuggestions.cancel(); | ||
| } | ||
|
|
||
| async _loadFieldDataType() { | ||
| const fieldDataType = await this.props.field.getDataType(); | ||
| if (this._isMounted) { | ||
| this.setState({ fieldDataType }); | ||
| } | ||
| } | ||
|
|
||
| _onFocus = () => { | ||
| if (!this.state.hasPrevFocus) { | ||
| this.setState({ hasPrevFocus: true }); | ||
| this._onSearchChange(''); | ||
| } | ||
| }; | ||
|
|
||
| _onChange = selectedOptions => { | ||
| this.props.onChange(_.get(selectedOptions, '[0].label', '')); | ||
| }; | ||
|
|
||
| _onCreateOption = newValue => { | ||
| this.props.onChange(newValue); | ||
| }; | ||
|
|
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| _onSearchChange = async searchValue => { | ||
| this.setState( | ||
| { | ||
| isLoadingSuggestions: true, | ||
| searchValue, | ||
| }, | ||
| () => { | ||
| this._loadSuggestions(searchValue); | ||
| } | ||
| ); | ||
| }; | ||
|
|
||
| _loadSuggestions = _.debounce(async searchValue => { | ||
| let suggestions = []; | ||
| try { | ||
| suggestions = await this.props.getValueSuggestions(searchValue); | ||
| } catch (error) { | ||
| // ignore suggestions error | ||
| } | ||
|
|
||
| if (this._isMounted && searchValue === this.state.searchValue) { | ||
| this.setState({ | ||
| isLoadingSuggestions: false, | ||
| suggestions, | ||
| }); | ||
| } | ||
| }, 300); | ||
|
|
||
| _onFieldTextChange = event => { | ||
| this.setState({ localFieldTextValue: event.target.value }); | ||
| // onChange can cause UI lag, ensure smooth input typing by debouncing onChange | ||
| this._debouncedOnFieldTextChange(); | ||
| }; | ||
|
|
||
| _debouncedOnFieldTextChange = _.debounce(() => { | ||
| this.props.onChange(this.state.localFieldTextValue); | ||
| }, 500); | ||
|
|
||
| _renderSuggestionInput() { | ||
| const suggestionOptions = this.state.suggestions.map(suggestion => { | ||
| return { label: `${suggestion}` }; | ||
| }); | ||
|
|
||
| const selectedOptions = []; | ||
| if (this.props.value) { | ||
| let option = suggestionOptions.find(({ label }) => { | ||
| return label === this.props.value; | ||
| }); | ||
| if (!option) { | ||
| option = { label: this.props.value }; | ||
| suggestionOptions.unshift(option); | ||
| } | ||
| selectedOptions.push(option); | ||
| } | ||
|
|
||
| return ( | ||
| <EuiComboBox | ||
| options={suggestionOptions} | ||
| selectedOptions={selectedOptions} | ||
| singleSelection={{ asPlainText: true }} | ||
| onChange={this._onChange} | ||
| onSearchChange={this._onSearchChange} | ||
| onCreateOption={this._onCreateOption} | ||
| isClearable={false} | ||
| isLoading={this.state.isLoadingSuggestions} | ||
| onFocus={this._onFocus} | ||
| compressed | ||
| /> | ||
| ); | ||
| } | ||
|
|
||
| _renderTextInput() { | ||
| return ( | ||
| <EuiFieldText | ||
| value={this.state.localFieldTextValue} | ||
| onChange={this._onFieldTextChange} | ||
| compressed | ||
| /> | ||
| ); | ||
| } | ||
|
|
||
| render() { | ||
| if (!this.state.fieldDataType) { | ||
| return null; | ||
| } | ||
|
|
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| // autocomplete service can not provide suggestions for non string fields (and boolean) because it uses | ||
| // term aggregation include parameter. Include paramerter uses a regular expressions that only supports string type | ||
| return this.state.fieldDataType === 'string' || this.state.fieldDataType === 'boolean' | ||
| ? this._renderSuggestionInput() | ||
| : this._renderTextInput(); | ||
| } | ||
| } |
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