ant-design/components/table/demo/edit-row.md
2017-01-19 15:22:53 +08:00

4.8 KiB

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en-US zh-CN
Editable Rows 可编辑行

zh-CN

带行编辑功能的表格。

en-US

Table with editable rows.

import { Table, Input, Popconfirm } from 'antd';

class EditableCell extends React.Component {
  state = {
    value: this.props.value,
    editable: this.props.editable || false,
  }
  componentWillReceiveProps(nextProps) {
    if (nextProps.editable !== this.state.editable) {
      this.setState({ editable: nextProps.editable });
      if (nextProps.editable) {
        this.cacheValue = this.state.value;
      }
    }
    if (nextProps.status && nextProps.status !== this.props.status) {
      if (nextProps.status === 'save') {
        this.props.onChange(this.state.value);
      } else if (nextProps.status === 'cancel') {
        this.setState({ value: this.cacheValue });
        this.props.onChange(this.cacheValue);
      }
    }
  }
  shouldComponentUpdate(nextProps, nextState) {
    return nextProps.editable !== this.state.editable ||
           nextState.value !== this.state.value;
  }
  handleChange(e) {
    const value = e.target.value;
    this.setState({ value });
  }
  render() {
    const { value, editable } = this.state;
    return (<div>
      {
        editable ?
        <div>
          <Input
            value={value}
            onChange={e => this.handleChange(e)}
          />
        </div>
        :
        <div className="editable-row-text">
          {value.toString() || ' '}
        </div>
      }
    </div>);
  }
}

class EditableTable extends React.Component {
  constructor(props) {
    super(props);
    this.columns = [{
      title: 'name',
      dataIndex: 'name',
      width: '25%',
      render: (text, record, index) => this.renderColumns(this.state.data, index, 'name', text),
    }, {
      title: 'age',
      dataIndex: 'age',
      width: '15%',
      render: (text, record, index) => this.renderColumns(this.state.data, index, 'age', text),
    }, {
      title: 'address',
      dataIndex: 'address',
      width: '40%',
      render: (text, record, index) => this.renderColumns(this.state.data, index, 'address', text),
    }, {
      title: 'operation',
      dataIndex: 'operation',
      render: (text, record, index) => {
        const { editable } = this.state.data[index].name;
        return (<div className="editable-row-operations">
          {
            editable ?
            <span>
              <a onClick={() => this.editDone(index, 'save')}>Save</a>
              <Popconfirm title="Sure to cancel?" onConfirm={() => this.editDone(index, 'cancel')}>
                <a>Cancel</a>
              </Popconfirm>
            </span>
            :
            <span>
              <a onClick={() => this.edit(index)}>Edit</a>
            </span>
          }
        </div>);
      },
    }];
    this.state = {
      data: [{
        key: '0',
        name: {
          editable: false,
          value: 'Edward King 0',
        },
        age: {
          editable: false,
          value: '32',
        },
        address: {
          value: 'London, Park Lane no. 0',
        },
      }],
    };
  }
  renderColumns(data, index, key, text) {
    const { editable, status } = data[index][key];
    if (typeof editable === 'undefined') {
      return text;
    }
    return (<EditableCell
      editable={editable}
      value={text}
      onChange={value => this.handleChange(key, index, value)}
      status={status}
    />);
  }
  handleChange(key, index, value) {
    const { data } = this.state;
    data[index][key].value = value;
    this.setState({ data });
  }
  edit(index) {
    const { data } = this.state;
    Object.keys(data[index]).forEach((item) => {
      if (data[index][item] && typeof data[index][item].editable !== 'undefined') {
        data[index][item].editable = true;
      }
    });
    this.setState({ data });
  }
  editDone(index, type) {
    const { data } = this.state;
    Object.keys(data[index]).forEach((item) => {
      if (data[index][item] && typeof data[index][item].editable !== 'undefined') {
        data[index][item].editable = false;
        data[index][item].status = type;
      }
    });
    this.setState({ data }, () => {
      Object.keys(data[index]).forEach((item) => {
        if (data[index][item] && typeof data[index][item].editable !== 'undefined') {
          delete data[index][item].status;
        }
      });
    });
  }
  render() {
    const { data } = this.state;
    const dataSource = data.map((item) => {
      const obj = {};
      Object.keys(item).forEach((key) => {
        obj[key] = key === 'key' ? item[key] : item[key].value;
      });
      return obj;
    });
    const columns = this.columns;
    return <Table bordered dataSource={dataSource} columns={columns} />;
  }
}

ReactDOM.render(<EditableTable />, mountNode);
.editable-row-text {
  padding: 5px;
}

.editable-row-operations a {
  margin-right: 8px;
}