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561 lines
17 KiB
JavaScript
561 lines
17 KiB
JavaScript
import React from 'react';
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import Table from 'rc-table';
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import Checkbox from '../checkbox';
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import Radio from '../radio';
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import FilterDropdown from './filterDropdown';
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import Pagination from '../pagination';
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import Icon from '../icon';
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import objectAssign from 'object-assign';
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import Spin from '../spin';
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import classNames from 'classnames';
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function noop() {
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}
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const defaultLocale = {
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filterTitle: '筛选',
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filterConfirm: '确定',
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filterReset: '重置'
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};
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let AntTable = React.createClass({
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getInitialState() {
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return {
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// 减少状态
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selectedRowKeys: [],
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filters: {},
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selectionDirty: false,
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sortColumn: '',
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sortOrder: '',
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sorter: null,
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radioIndex: null,
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pagination: this.hasPagination() ? objectAssign({
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pageSize: 10,
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current: 1
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}, this.props.pagination) : {}
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};
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},
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getDefaultProps() {
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return {
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dataSource: [],
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prefixCls: 'ant-table',
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useFixedHeader: false,
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rowSelection: null,
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className: '',
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size: 'large',
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loading: false,
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bordered: false,
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onChange: noop,
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locale: {}
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};
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},
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propTypes: {
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dataSource: React.PropTypes.array,
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prefixCls: React.PropTypes.string,
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useFixedHeader: React.PropTypes.bool,
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rowSelection: React.PropTypes.object,
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className: React.PropTypes.string,
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size: React.PropTypes.string,
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loading: React.PropTypes.bool,
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bordered: React.PropTypes.bool,
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onChange: React.PropTypes.func,
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locale: React.PropTypes.object,
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},
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getDefaultSelection() {
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let selectedRowKeys = [];
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if (this.props.rowSelection && this.props.rowSelection.getCheckboxProps) {
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let data = this.getCurrentPageData();
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data.filter((item) => {
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if (this.props.rowSelection.getCheckboxProps) {
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return this.props.rowSelection.getCheckboxProps(item).defaultChecked;
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}
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return true;
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}).map((record, rowIndex) => {
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selectedRowKeys.push(this.getRecordKey(record, rowIndex));
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});
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}
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return selectedRowKeys;
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},
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componentWillReceiveProps(nextProps) {
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if (('pagination' in nextProps) && nextProps.pagination !== false) {
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this.setState({
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pagination: objectAssign({}, this.state.pagination, nextProps.pagination)
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});
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}
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// 外界只有 dataSource 的变化会触发新请求
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if ('dataSource' in nextProps &&
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nextProps.dataSource !== this.props.dataSource) {
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let selectedRowKeys = this.state.selectedRowKeys;
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// 把不在当前页的选中项去掉
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let currentPageRowKeys =
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this.getCurrentPageData(nextProps.dataSource).map(
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(record, i) => this.getRecordKey(record, i)
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);
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selectedRowKeys = selectedRowKeys.filter((key) => {
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return currentPageRowKeys.indexOf(key) >= 0;
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});
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this.setState({
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selectionDirty: false,
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selectedRowKeys,
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});
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}
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},
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hasPagination(pagination) {
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return this.props.pagination !== false;
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},
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toggleSortOrder(order, column) {
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let sortColumn = this.state.sortColumn;
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let sortOrder = this.state.sortOrder;
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let sorter;
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// 只同时允许一列进行排序，否则会导致排序顺序的逻辑问题
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let isSortColumn = this.isSortColumn(column);
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if (!isSortColumn) { // 当前列未排序
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sortOrder = order;
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sortColumn = column;
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} else { // 当前列已排序
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if (sortOrder === order) { // 切换为未排序状态
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sortOrder = '';
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sortColumn = null;
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} else { // 切换为排序状态
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sortOrder = order;
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}
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}
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if (typeof column.sorter === 'function') {
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sorter = function () {
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let result = column.sorter.apply(this, arguments);
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if (sortOrder === 'ascend') {
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return result;
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} else if (sortOrder === 'descend') {
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return -result;
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}
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};
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}
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const newState = {
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sortOrder,
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sortColumn,
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sorter
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};
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this.setState(newState);
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this.props.onChange.apply(this, this.prepareParamsArguments(objectAssign({}, this.state, newState)));
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},
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handleFilter(column, filters) {
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filters = objectAssign({}, this.state.filters, {
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[this.getColumnKey(column)]: filters
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});
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// Remove filters not in current columns
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const currentColumnKeys = this.props.columns.map(c => this.getColumnKey(c));
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Object.keys(filters).forEach((columnKey) => {
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if (currentColumnKeys.indexOf(columnKey) < 0) {
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delete filters[columnKey];
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}
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});
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const newState = {
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selectedRowKeys: [],
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selectionDirty: false,
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filters
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};
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this.setState(newState);
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this.props.onChange.apply(this, this.prepareParamsArguments(objectAssign({}, this.state, newState)));
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},
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handleSelect(record, rowIndex, e) {
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let checked = e.target.checked;
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let defaultSelection = [];
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if (!this.state.selectionDirty) {
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defaultSelection = this.getDefaultSelection();
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}
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let selectedRowKeys = this.state.selectedRowKeys.concat(defaultSelection);
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let key = this.getRecordKey(record, rowIndex);
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if (checked) {
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selectedRowKeys.push(this.getRecordKey(record, rowIndex));
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} else {
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selectedRowKeys = selectedRowKeys.filter((i) => {
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return key !== i;
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});
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}
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this.setState({
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selectedRowKeys: selectedRowKeys,
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selectionDirty: true
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});
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if (this.props.rowSelection.onSelect) {
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let data = this.getCurrentPageData();
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let selectedRows = data.filter((row, i) => {
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return selectedRowKeys.indexOf(this.getRecordKey(row, i)) >= 0;
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});
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this.props.rowSelection.onSelect(record, checked, selectedRows);
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}
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},
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handleRadioSelect: function (record, rowIndex, e) {
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let checked = e.target.checked;
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let defaultSelection = [];
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if (!this.state.selectionDirty) {
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defaultSelection = this.getDefaultSelection();
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}
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let selectedRowKeys = this.state.selectedRowKeys.concat(defaultSelection);
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let key = this.getRecordKey(record, rowIndex);
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selectedRowKeys = [key];
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this.setState({
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selectedRowKeys: selectedRowKeys,
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radioIndex: record.key,
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selectionDirty: true
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});
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if (this.props.rowSelection.onSelect) {
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let data = this.getCurrentPageData();
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let selectedRows = data.filter((row, i) => {
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return selectedRowKeys.indexOf(this.getRecordKey(row, i)) >= 0;
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});
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this.props.rowSelection.onSelect(record, checked, selectedRows);
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}
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},
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handleSelectAllRow(e) {
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let checked = e.target.checked;
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let data = this.getCurrentPageData();
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let selectedRowKeys = checked ? data.filter((item) => {
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if (this.props.rowSelection.getCheckboxProps) {
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return !this.props.rowSelection.getCheckboxProps(item).disabled;
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}
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return true;
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}).map((item, i) => {
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return this.getRecordKey(item, i);
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}) : [];
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this.setState({
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selectedRowKeys: selectedRowKeys,
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selectionDirty: true
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});
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if (this.props.rowSelection.onSelectAll) {
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let selectedRows = data.filter((row, i) => {
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return selectedRowKeys.indexOf(this.getRecordKey(row, i)) >= 0;
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});
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this.props.rowSelection.onSelectAll(checked, selectedRows);
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}
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},
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handlePageChange(current) {
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let pagination = objectAssign({}, this.state.pagination);
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if (current) {
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pagination.current = current;
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} else {
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pagination.current = pagination.current || 1;
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}
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const newState = {
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// 防止内存泄漏，只维持当页
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selectedRowKeys: [],
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selectionDirty: false,
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pagination
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};
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this.setState(newState);
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this.props.onChange.apply(this, this.prepareParamsArguments(objectAssign({}, this.state, newState)));
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},
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onRadioChange: function (ev) {
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this.setState({
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radioIndex: ev.target.value
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});
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},
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renderSelectionRadio(value, record, index) {
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let rowIndex = this.getRecordKey(record, index); // 从 1 开始
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let props = {};
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if (this.props.rowSelection.getCheckboxProps) {
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props = this.props.rowSelection.getCheckboxProps.call(this, record);
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}
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let checked;
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if (this.state.selectionDirty) {
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checked = this.state.radioIndex === record.key;
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} else {
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checked = (this.state.radioIndex === record.key ||
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this.getDefaultSelection().indexOf(rowIndex) >= 0);
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}
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return <Radio disabled={props.disabled} onChange={this.handleRadioSelect.bind(this, record, rowIndex)}
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value={record.key} checked={checked}/>;
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},
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renderSelectionCheckBox(value, record, index) {
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let rowIndex = this.getRecordKey(record, index); // 从 1 开始
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let checked;
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if (this.state.selectionDirty) {
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checked = this.state.selectedRowKeys.indexOf(rowIndex) >= 0;
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} else {
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checked = (this.state.selectedRowKeys.indexOf(rowIndex) >= 0 ||
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this.getDefaultSelection().indexOf(rowIndex) >= 0);
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}
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let props = {};
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if (this.props.rowSelection.getCheckboxProps) {
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props = this.props.rowSelection.getCheckboxProps.call(this, record);
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}
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return <Checkbox checked={checked} disabled={props.disabled}
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onChange={this.handleSelect.bind(this, record, rowIndex)}/>;
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},
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getRecordKey(record, index) {
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if (this.props.rowKey) {
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return this.props.rowKey(record, index);
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}
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return record.key || index;
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},
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renderRowSelection() {
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let columns = this.props.columns.concat();
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if (this.props.rowSelection) {
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let data = this.getCurrentPageData().filter((item) => {
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if (this.props.rowSelection.getCheckboxProps) {
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return !this.props.rowSelection.getCheckboxProps(item).disabled;
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}
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return true;
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});
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let checked;
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if (!data.length) {
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checked = false;
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} else {
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checked = this.state.selectionDirty
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? data.every((item, i) =>
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this.state.selectedRowKeys.indexOf(this.getRecordKey(item, i)) >= 0)
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: data.every((item, i) =>
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this.props.rowSelection.getCheckboxProps &&
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this.props.rowSelection.getCheckboxProps(item).defaultChecked);
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}
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let selectionColumn;
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if (this.props.rowSelection.type === 'radio') {
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selectionColumn = {
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key: 'selection-column',
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render: this.renderSelectionRadio,
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className: 'ant-table-selection-column'
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};
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} else {
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let checkboxAll = <Checkbox checked={checked} onChange={this.handleSelectAllRow}/>;
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selectionColumn = {
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key: 'selection-column',
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title: checkboxAll,
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render: this.renderSelectionCheckBox,
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className: 'ant-table-selection-column'
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};
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}
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if (columns[0] &&
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columns[0].key === 'selection-column') {
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columns[0] = selectionColumn;
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} else {
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columns.unshift(selectionColumn);
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}
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}
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return columns;
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},
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getColumnKey(column, index) {
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return column.key || column.dataIndex || index;
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},
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isSortColumn(column) {
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if (!column || !this.state.sortColumn) {
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return false;
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}
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let colKey = this.getColumnKey(column);
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let isSortColumn = (this.getColumnKey(this.state.sortColumn) === colKey);
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return isSortColumn;
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},
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renderColumnsDropdown(columns) {
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let locale = objectAssign({}, defaultLocale, this.props.locale);
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return columns.map((column, i) => {
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column = objectAssign({}, column);
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let key = this.getColumnKey(column, i);
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let filterDropdown, sortButton;
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if (column.filters && column.filters.length > 0) {
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let colFilters = this.state.filters[key] || [];
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filterDropdown =
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<FilterDropdown locale={locale} column={column}
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selectedKeys={colFilters}
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confirmFilter={this.handleFilter}/>;
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}
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if (column.sorter) {
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let isSortColumn = this.isSortColumn(column);
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if (isSortColumn) {
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column.className = column.className || '';
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if (this.state.sortOrder) {
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column.className += ' ant-table-column-sort';
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}
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}
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sortButton = <div className="ant-table-column-sorter">
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<span className={'ant-table-column-sorter-up ' +
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((isSortColumn && this.state.sortOrder === 'ascend') ? 'on' : 'off')}
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title="↑"
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onClick={this.toggleSortOrder.bind(this, 'ascend', column)}>
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<Icon type="caret-up"/>
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</span>
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<span className={'ant-table-column-sorter-down ' +
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((isSortColumn && this.state.sortOrder === 'descend') ? 'on' : 'off')}
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title="↓"
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onClick={this.toggleSortOrder.bind(this, 'descend', column)}>
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<Icon type="caret-down"/>
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</span>
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</div>;
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}
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column.title = <div>
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{column.title}
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{sortButton}
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{filterDropdown}
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</div>;
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return column;
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});
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},
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handleShowSizeChange(current, pageSize) {
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let pagination = objectAssign(this.state.pagination, {
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pageSize: pageSize
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});
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this.setState({ pagination });
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},
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renderPagination() {
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// 强制不需要分页
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if (!this.hasPagination()) {
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return null;
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}
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let classString = classNames({
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'ant-table-pagination': true,
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'mini': this.props.size === 'middle' || this.props.size === 'small',
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});
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let total = this.state.pagination.total || this.getLocalData().length;
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return (total > 0) ?
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<Pagination className={classString}
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onChange={this.handlePageChange}
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total={total}
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pageSize={10}
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onShowSizeChange={this.handleShowSizeChange}
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{...this.state.pagination} /> : null;
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},
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prepareParamsArguments(state) {
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// 准备筛选、排序、分页的参数
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const pagination = state.pagination;
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const filters = state.filters;
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const sorter = {};
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if (state.sortColumn &&
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state.sortOrder &&
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state.sortColumn.dataIndex) {
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sorter.field = state.sortColumn.dataIndex;
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sorter.order = state.sortOrder;
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}
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return [pagination, filters, sorter];
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},
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findColumn(myKey) {
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return this.props.columns.filter((c) => {
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return this.getColumnKey(c) === myKey;
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})[0];
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},
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getCurrentPageData(dataSource) {
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let data = this.getLocalData(dataSource);
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let current, pageSize;
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let state = this.state;
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// 如果没有分页的话，默认全部展示
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if (!this.hasPagination()) {
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pageSize = Number.MAX_VALUE;
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current = 1;
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} else {
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pageSize = state.pagination.pageSize;
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current = state.pagination.current;
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}
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// 分页
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// ---
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// 当数据量少于每页数量时，直接设置数据
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// 否则进行读取分页数据
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if (data.length > pageSize || pageSize === Number.MAX_VALUE) {
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data = data.filter((item, i) => {
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if (i >= (current - 1) * pageSize &&
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i < current * pageSize) {
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return item;
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}
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});
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}
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return data;
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},
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getLocalData(dataSource) {
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let state = this.state;
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let data = dataSource || this.props.dataSource;
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// 排序
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if (state.sortOrder && state.sorter) {
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data = data.sort(state.sorter);
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}
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// 筛选
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if (state.filters) {
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Object.keys(state.filters).forEach((columnKey) => {
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let col = this.findColumn(columnKey);
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if (!col) {
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return;
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}
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let values = state.filters[columnKey] || [];
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if (values.length === 0) {
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return;
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}
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data = col.onFilter ? data.filter(record => {
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return values.some(v => col.onFilter(v, record));
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}) : data;
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});
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}
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return data;
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},
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render() {
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let data = this.getCurrentPageData();
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let columns = this.renderRowSelection();
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let expandIconAsCell = this.props.expandedRowRender && this.props.expandIconAsCell !== false;
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let classString = classNames({
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[`ant-table-${this.props.size}`]: true,
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'ant-table-bordered': this.props.bordered,
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[this.props.className]: !!this.props.className,
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});
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columns = this.renderColumnsDropdown(columns);
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columns = columns.map((column, i) => {
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column.key = column.key || column.dataIndex || i;
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return column;
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});
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let emptyText;
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let emptyClass = '';
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if (!data || data.length === 0) {
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emptyText = <div className="ant-table-placeholder">
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<Icon type="frown"/>暂无数据
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</div>;
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emptyClass = ' ant-table-empty';
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}
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let table = <div>
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<Table {...this.props}
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data={data}
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columns={columns}
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className={classString}
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expandIconAsCell={expandIconAsCell} />
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{emptyText}
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</div>;
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if (this.props.loading) {
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// if there is no pagination or no data, the height of spin should decrease by half of pagination
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let paginationPatchClass = (this.hasPagination() && data && data.length !== 0)
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? 'ant-table-with-pagination'
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: 'ant-table-without-pagination';
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let spinClassName = `${paginationPatchClass} ant-table-spin-holder`;
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table = <Spin className={spinClassName}>{table}</Spin>;
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}
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return (
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<div className={'clearfix' + emptyClass}>
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{table}
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{this.renderPagination()}
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</div>
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|
);
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}
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});
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|
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export default AntTable;
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