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102 lines
2.7 KiB
102 lines
2.7 KiB
import React from 'react';
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import Checkbox from './index';
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import PureRenderMixin from 'react-addons-pure-render-mixin';
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export interface CheckboxOptionType {
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label: string;
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value: string;
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disabled?: boolean;
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}
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export interface CheckboxGroupProps {
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/** 默认选中的选项 */
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defaultValue?: Array<string>;
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/** 指定选中的选项 */
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value?: Array<string>;
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/** 指定可选项 */
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options?: Array<CheckboxOptionType> | Array<string>;
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/** 变化时回调函数 */
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onChange?: (checkedValue: Array<string>) => void;
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disabled?: boolean;
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style?: React.CSSProperties;
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prefixCls?: string;
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}
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export interface CheckboxGroupState {
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value: any;
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}
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export default class CheckboxGroup extends React.Component<CheckboxGroupProps, CheckboxGroupState> {
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static defaultProps = {
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options: [],
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onChange() {},
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prefixCls: 'ant-checkbox-group',
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};
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static propTypes = {
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defaultValue: React.PropTypes.array,
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value: React.PropTypes.array,
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options: React.PropTypes.array.isRequired,
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onChange: React.PropTypes.func,
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};
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constructor(props) {
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super(props);
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this.state = {
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value: props.value || props.defaultValue || [],
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};
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}
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componentWillReceiveProps(nextProps) {
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if ('value' in nextProps) {
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this.setState({
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value: nextProps.value || [],
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});
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}
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}
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shouldComponentUpdate(...args) {
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return PureRenderMixin.shouldComponentUpdate.apply(this, args);
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}
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getOptions() {
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const { options } = this.props;
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// https://github.com/Microsoft/TypeScript/issues/7960
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return (options as Array<any>).map(option => {
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if (typeof option === 'string') {
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return {
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label: option,
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value: option,
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} as CheckboxOptionType;
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}
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return option;
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});
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}
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toggleOption = (option) => {
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const optionIndex = this.state.value.indexOf(option.value);
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const value = [...this.state.value];
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if (optionIndex === - 1) {
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value.push(option.value);
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} else {
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value.splice(optionIndex, 1);
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}
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if (!('value' in this.props)) {
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this.setState({ value });
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}
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this.props.onChange(value);
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}
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render() {
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const { prefixCls } = this.props;
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const options = this.getOptions();
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return (
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<div className={prefixCls}>
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{
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options.map(option =>
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<Checkbox disabled={'disabled' in option ? option.disabled : this.props.disabled}
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checked={this.state.value.indexOf(option.value) !== -1}
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onChange={() => this.toggleOption(option)}
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className={`${prefixCls}-item`} key={option.value}
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>
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{option.label}
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</Checkbox>
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)
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}
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</div>
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);
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}
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}
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