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import React, { Component, Fragment } from 'react';
import NormalTable from '../NormalTable';
import Index from '../Shell';
function initTotalList(columns) {
const totalList = [];
columns.forEach(column => {
if (column.needTotal) {
totalList.push({ ...column, total: 0 });
}
});
return totalList;
}
class StandardTable extends Component {
constructor(props) {
super(props);
const { columns } = props;
const needTotalList = initTotalList(columns);
this.state = {
selectedRowKeys: [],
needTotalList,
};
}
static getDerivedStateFromProps(nextProps) {
// clean state
if (nextProps.selectedRows.length === 0) {
const needTotalList = initTotalList(nextProps.columns);
return {
selectedRowKeys: [],
needTotalList,
};
}
return null;
}
handleRowSelectChange = (selectedRowKeys, selectedRows) => {
let { needTotalList } = this.state;
needTotalList = needTotalList.map(item => ({
...item,
total: selectedRows.reduce((sum, val) => sum + parseFloat(val[item.dataIndex], 10), 0),
}));
const { onSelectRow } = this.props;
if (onSelectRow) {
onSelectRow(selectedRows, selectedRowKeys);
}
this.setState({ selectedRowKeys, needTotalList });
};
handleTableChange = (pagination, filters, sorter) => {
const { onChange } = this.props;
if (onChange) {
onChange(pagination, filters, sorter);
}
};
cleanSelectedKeys = () => {
this.handleRowSelectChange([], []);
};
render() {
const { selectedRowKeys, needTotalList } = this.state;
const {
data: { list, pagination },
loading,
columns,
rowKey,
components,
scroll,
noSelectRow,
bordered,
showHeader,
} = this.props;
const paginationProps = {
showSizeChanger: true,
showQuickJumper: true,
...pagination,
};
const rowSelection = {
selectedRowKeys,
onChange: this.handleRowSelectChange,
type: this.props.selectType || 'checkbox ',
getCheckboxProps: record => ({
disabled: record.disabled,
}),
};
return (
<div>
<Index>
{!noSelectRow ?
<span style={{ paddingLeft: '12px', paddingTop: '8px' }}>
已选择{selectedRowKeys.length}
{needTotalList.map(item => (
<span style={{ marginLeft: 8 }} key={item.dataIndex}>
{item.title}
总计
<span style={{ fontWeight: 600 }}>
{item.render ? item.render(item.total) : item.total}
</span>
</span>
))}
<a onClick={this.cleanSelectedKeys} style={{ marginLeft: 24 }}>
清空
</a>
</span>
: <div style={{ height: '1px' }}></div>}
</Index>
<NormalTable components={components}
loading={loading}
rowKey={rowKey || 'key'}
rowSelection={typeof noSelectRow !== 'undefined' && noSelectRow ? null : rowSelection}
dataSource={list}
bordered={bordered}
columns={columns}
size="small"
scroll={scroll}
showHeader={showHeader}
pagination={ this.props.isHiddenPage?null:pagination === null ? null : paginationProps}
onChange={this.handleTableChange}
/>
</div>
);
}
}
export default StandardTable;