| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| import React, {PureComponent} from 'react'; |
| import { |
| ActionMeta, |
| default as ReactSelect, |
| Props as ReactSelectProps, |
| ValueType, |
| components, |
| ValueContainerProps, OptionProps |
| } from 'react-select'; |
| import makeAnimated from 'react-select/animated'; |
| |
| export interface IOption { |
| label: string; |
| value: string; |
| } |
| |
| interface IMultiSelectProps extends ReactSelectProps<IOption> { |
| options: IOption[]; |
| allowSelectAll: boolean; |
| allOption?: IOption; |
| } |
| |
| const defaultProps = { |
| allOption: { |
| label: 'Select all', |
| value: '*' |
| } |
| }; |
| |
| export class MultiSelect extends PureComponent<IMultiSelectProps> { |
| static defaultProps = defaultProps; |
| render() { |
| const {allowSelectAll, allOption, options, onChange} = this.props; |
| if (allowSelectAll) { |
| const Option = (props: OptionProps<IOption>) => { |
| return ( |
| <div> |
| <components.Option {...props}> |
| <input |
| type='checkbox' |
| checked={props.isSelected} |
| onChange={() => null} |
| />{' '} |
| <label>{props.label}</label> |
| </components.Option> |
| </div> |
| ); |
| }; |
| |
| const ValueContainer = ({children, ...props}: ValueContainerProps<IOption>) => { |
| const currentValues: IOption[] = props.getValue() as IOption[]; |
| let toBeRendered = children; |
| if (currentValues.some(val => val.value === allOption!.value) && children) { |
| toBeRendered = allOption!.label; |
| } else if (currentValues.length >= 5) { |
| toBeRendered = `${currentValues.length} selected`; |
| } |
| |
| return ( |
| <components.ValueContainer {...props}> |
| {toBeRendered} |
| </components.ValueContainer> |
| ); |
| }; |
| |
| const animatedComponents = makeAnimated(); |
| return ( |
| <ReactSelect |
| {...this.props} |
| options={[allOption!, ...options]} |
| components={{ |
| Option, |
| ValueContainer, |
| animatedComponents |
| }} |
| onChange={(selected: ValueType<IOption>, event: ActionMeta<IOption>) => { |
| const selectedValues = selected as IOption[]; |
| if (selectedValues && selectedValues.length > 0) { |
| if (selectedValues[selectedValues.length - 1].value === allOption!.value) { |
| return onChange!([allOption!, ...options], {action: 'select-option'}); |
| } |
| |
| let result: IOption[] = []; |
| if (selectedValues.length === options.length) { |
| if (selectedValues.some(option => option.value === allOption!.value)) { |
| result = selectedValues.filter( |
| option => option.value !== allOption!.value |
| ); |
| } else if (event.action === 'select-option') { |
| result = [allOption!, ...options]; |
| } |
| |
| return onChange!(result, {action: 'select-option'}); |
| } |
| } |
| |
| return onChange!(selected, {action: 'select-option'}); |
| }} |
| /> |
| ); |
| } |
| |
| return <ReactSelect {...this.props}/>; |
| } |
| } |