111 lines
4.1 KiB
JavaScript
111 lines
4.1 KiB
JavaScript
import { useContext } from '@rc-component/context';
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import * as React from 'react';
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import PerfContext from "../context/PerfContext";
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import TableContext, { responseImmutable } from "../context/TableContext";
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import useFlattenRecords from "../hooks/useFlattenRecords";
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import devRenderTimes from "../hooks/useRenderTimes";
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import { getColumnsKey } from "../utils/valueUtil";
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import BodyRow from "./BodyRow";
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import ExpandedRow from "./ExpandedRow";
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import MeasureRow from "./MeasureRow";
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function Body(props) {
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if (process.env.NODE_ENV !== 'production') {
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devRenderTimes(props);
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}
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var data = props.data,
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measureColumnWidth = props.measureColumnWidth;
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var _useContext = useContext(TableContext, ['prefixCls', 'getComponent', 'onColumnResize', 'flattenColumns', 'getRowKey', 'expandedKeys', 'childrenColumnName', 'emptyNode', 'expandedRowOffset', 'fixedInfoList', 'colWidths']),
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prefixCls = _useContext.prefixCls,
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getComponent = _useContext.getComponent,
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onColumnResize = _useContext.onColumnResize,
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flattenColumns = _useContext.flattenColumns,
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getRowKey = _useContext.getRowKey,
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expandedKeys = _useContext.expandedKeys,
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childrenColumnName = _useContext.childrenColumnName,
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emptyNode = _useContext.emptyNode,
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_useContext$expandedR = _useContext.expandedRowOffset,
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expandedRowOffset = _useContext$expandedR === void 0 ? 0 : _useContext$expandedR,
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colWidths = _useContext.colWidths;
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var flattenData = useFlattenRecords(data, childrenColumnName, expandedKeys, getRowKey);
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var rowKeys = React.useMemo(function () {
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return flattenData.map(function (item) {
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return item.rowKey;
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});
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}, [flattenData]);
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// =================== Performance ====================
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var perfRef = React.useRef({
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renderWithProps: false
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});
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// ===================== Expanded =====================
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// `expandedRowOffset` data is same for all the rows.
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// Let's calc on Body side to save performance.
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var expandedRowInfo = React.useMemo(function () {
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var expandedColSpan = flattenColumns.length - expandedRowOffset;
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var expandedStickyStart = 0;
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for (var i = 0; i < expandedRowOffset; i += 1) {
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expandedStickyStart += colWidths[i] || 0;
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}
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return {
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offset: expandedRowOffset,
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colSpan: expandedColSpan,
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sticky: expandedStickyStart
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};
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}, [flattenColumns.length, expandedRowOffset, colWidths]);
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// ====================== Render ======================
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var WrapperComponent = getComponent(['body', 'wrapper'], 'tbody');
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var trComponent = getComponent(['body', 'row'], 'tr');
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var tdComponent = getComponent(['body', 'cell'], 'td');
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var thComponent = getComponent(['body', 'cell'], 'th');
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var rows;
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if (data.length) {
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rows = flattenData.map(function (item, idx) {
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var record = item.record,
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indent = item.indent,
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renderIndex = item.index,
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rowKey = item.rowKey;
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return /*#__PURE__*/React.createElement(BodyRow, {
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key: rowKey,
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rowKey: rowKey,
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rowKeys: rowKeys,
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record: record,
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index: idx,
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renderIndex: renderIndex,
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rowComponent: trComponent,
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cellComponent: tdComponent,
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scopeCellComponent: thComponent,
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indent: indent
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// Expanded row info
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,
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expandedRowInfo: expandedRowInfo
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});
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});
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} else {
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rows = /*#__PURE__*/React.createElement(ExpandedRow, {
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expanded: true,
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className: "".concat(prefixCls, "-placeholder"),
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prefixCls: prefixCls,
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component: trComponent,
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cellComponent: tdComponent,
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colSpan: flattenColumns.length,
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isEmpty: true
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}, emptyNode);
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}
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var columnsKey = getColumnsKey(flattenColumns);
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return /*#__PURE__*/React.createElement(PerfContext.Provider, {
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value: perfRef.current
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}, /*#__PURE__*/React.createElement(WrapperComponent, {
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className: "".concat(prefixCls, "-tbody")
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}, measureColumnWidth && /*#__PURE__*/React.createElement(MeasureRow, {
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prefixCls: prefixCls,
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columnsKey: columnsKey,
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onColumnResize: onColumnResize,
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columns: flattenColumns
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}), rows));
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}
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if (process.env.NODE_ENV !== 'production') {
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Body.displayName = 'Body';
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}
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export default responseImmutable(Body); |