jitao-client/js/component/crop/keyword.jsx

import React from 'react';
import {Tag,Input,Button,Tooltip} from 'antd';
const KeyWordTagGroup = React.createClass({
    getInitialState() {
        return {
            tags: [],
            inputVisible: false,
            inputValue: ''
        };
    },
    handleClose(removedTag) {
        const tags = this.state.tags.filter(tag => tag !== removedTag);
        this.props.tagsArr(tags);
        this.setState({ tags });
    },
    showInput() {
        this.setState({ inputVisible: true }, () => this.input.focus());
    },
    handleInputChange(e) {
        this.setState({ inputValue: e.target.value });
    },
    handleInputConfirm() {
        const state = this.state;
        const inputValue = state.inputValue;
        let tags = state.tags;
        if (inputValue && tags.indexOf(inputValue) === -1 && inputValue.replace(/(^\s*)|(\s*$)/g, "").length != 0) {
            tags = [...tags, inputValue.replace(/(^\s*)|(\s*$)/g, "")];
        }
        this.props.tagsArr(tags);
        this.setState({
            tags,
            inputVisible: false,
            inputValue: '',
        });
    },
    componentWillMount() {
        this.state.tags = this.props.keyWordArr;
    },
    componentWillReceiveProps(nextProps) {
        if (this.props.keyWordArr != nextProps.keyWordArr) {
            this.state.tags = nextProps.keyWordArr;
        };
    },
    render() {
        const { tags, inputVisible, inputValue } = this.state;
        return (
            <div className="keyWord-tips">
                {tags.map((tag, index) => {
                    const isLongTag = tag.length > 10;
                    const tagElem = (
                        <Tag key={tag} closable={index !== -1} afterClose={() => this.handleClose(tag)}>
                            {isLongTag ? `${tag.slice(0, 10)}...` : tag}
                        </Tag>
                    );
                    return isLongTag ? <Tooltip title={tag}>{tagElem}</Tooltip> : tagElem;
                })}
                {inputVisible && (
                    <Input
                        ref={input => this.input = input}
                        type="text"
                        style={{ width: 78 }}
                        value={inputValue}
                        onChange={this.handleInputChange}
                        onBlur={this.handleInputConfirm}
                        onPressEnter={this.handleInputConfirm}
                    />
                )}
                {!inputVisible && <Button className="addtips" type="dashed" disabled={tags.length > 9 ? true : false} onClick={this.showInput}>+ 新关键词</Button>}
            </div>
        );
    }
});
 export default KeyWordTagGroup;