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/*
* SonarQube
* Copyright (C) 2009-2018 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
import * as React from 'react';
import { debounce } from 'lodash';
import Select, { Creatable } from '../../components/controls/Select';
import { translate, translateWithParameters } from '../../helpers/l10n';
interface Props<T> {
autofocus?: boolean;
canCreate?: boolean;
clearable?: boolean;
defaultOptions?: T[];
minimumQueryLength?: number;
multi?: boolean;
onSearch: (query: string) => Promise<T[]>;
onSelect?: (option: T) => void;
onMultiSelect?: (options: T[]) => void;
promptTextCreator?: (label: string) => string;
renderOption?: (option: T) => JSX.Element;
resetOnBlur?: boolean;
value?: T | T[];
}
interface State<T> {
loading: boolean;
options: T[];
query: string;
}
export default class SearchSelect<T extends { value: string }> extends React.PureComponent<
Props<T>,
State<T>
> {
mounted = false;
constructor(props: Props<T>) {
super(props);
this.state = { loading: false, options: props.defaultOptions || [], query: '' };
this.handleSearch = debounce(this.handleSearch, 250);
}
componentDidMount() {
this.mounted = true;
}
componentWillUnmount() {
this.mounted = false;
}
get autofocus() {
return this.props.autofocus !== undefined ? this.props.autofocus : true;
}
get minimumQueryLength() {
return this.props.minimumQueryLength !== undefined ? this.props.minimumQueryLength : 2;
}
get resetOnBlur() {
return this.props.resetOnBlur !== undefined ? this.props.resetOnBlur : true;
}
handleSearch = (query: string) => {
// Ignore the result if the query changed
const currentQuery = query;
this.props.onSearch(currentQuery).then(
options => {
if (this.mounted) {
this.setState(state => ({
loading: false,
options: state.query === currentQuery ? options : state.options
}));
}
},
() => {
if (this.mounted) {
this.setState({ loading: false });
}
}
);
};
handleChange = (option: T | T[]) => {
if (Array.isArray(option)) {
if (this.props.onMultiSelect) {
this.props.onMultiSelect(option);
}
} else if (this.props.onSelect) {
this.props.onSelect(option);
}
};
handleInputChange = (query: string) => {
if (query.length >= this.minimumQueryLength) {
this.setState({ loading: true, query });
this.handleSearch(query);
} else {
// `onInputChange` is called with an empty string after a user selects a value
// in this case we shouldn't reset `options`, because it also resets select value :(
const options = (query.length === 0 && this.props.defaultOptions) || [];
this.setState({ options, query });
}
};
// disable internal filtering
handleFilterOption = () => true;
render() {
const Component = this.props.canCreate ? Creatable : Select;
return (
<Component
autoFocus={this.autofocus}
className="input-super-large"
clearable={this.props.clearable}
escapeClearsValue={false}
filterOption={this.handleFilterOption}
isLoading={this.state.loading}
multi={this.props.multi}
noResultsText={
this.state.query.length < this.minimumQueryLength
? translateWithParameters('select2.tooShort', this.minimumQueryLength)
: translate('select2.noMatches')
}
onBlurResetsInput={this.resetOnBlur}
onChange={this.handleChange}
onInputChange={this.handleInputChange}
optionRenderer={this.props.renderOption}
options={this.state.options}
placeholder={translate('search_verb')}
promptTextCreator={this.props.promptTextCreator}
searchable={true}
value={this.props.value}
valueRenderer={this.props.renderOption}
/>
);
}
}
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