97 lines
3.2 KiB
JavaScript
97 lines
3.2 KiB
JavaScript
import { useContext } from '@rc-component/context';
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import * as React from 'react';
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import TableContext, { responseImmutable } from "../context/TableContext";
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import devRenderTimes from "../hooks/useRenderTimes";
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import HeaderRow from "./HeaderRow";
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function parseHeaderRows(rootColumns) {
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var rows = [];
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function fillRowCells(columns, colIndex) {
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var rowIndex = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
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// Init rows
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rows[rowIndex] = rows[rowIndex] || [];
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var currentColIndex = colIndex;
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var colSpans = columns.filter(Boolean).map(function (column) {
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var cell = {
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key: column.key,
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className: column.className || '',
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children: column.title,
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column: column,
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colStart: currentColIndex
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};
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var colSpan = 1;
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var subColumns = column.children;
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if (subColumns && subColumns.length > 0) {
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colSpan = fillRowCells(subColumns, currentColIndex, rowIndex + 1).reduce(function (total, count) {
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return total + count;
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}, 0);
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cell.hasSubColumns = true;
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}
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if ('colSpan' in column) {
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colSpan = column.colSpan;
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}
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if ('rowSpan' in column) {
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cell.rowSpan = column.rowSpan;
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}
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cell.colSpan = colSpan;
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cell.colEnd = cell.colStart + colSpan - 1;
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rows[rowIndex].push(cell);
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currentColIndex += colSpan;
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return colSpan;
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});
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return colSpans;
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}
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// Generate `rows` cell data
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fillRowCells(rootColumns, 0);
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// Handle `rowSpan`
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var rowCount = rows.length;
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var _loop = function _loop(rowIndex) {
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rows[rowIndex].forEach(function (cell) {
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if (!('rowSpan' in cell) && !cell.hasSubColumns) {
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// eslint-disable-next-line no-param-reassign
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cell.rowSpan = rowCount - rowIndex;
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}
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});
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};
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for (var rowIndex = 0; rowIndex < rowCount; rowIndex += 1) {
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_loop(rowIndex);
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}
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return rows;
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}
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function Header(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 stickyOffsets = props.stickyOffsets,
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columns = props.columns,
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flattenColumns = props.flattenColumns,
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onHeaderRow = props.onHeaderRow;
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var _useContext = useContext(TableContext, ['prefixCls', 'getComponent']),
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prefixCls = _useContext.prefixCls,
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getComponent = _useContext.getComponent;
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var rows = React.useMemo(function () {
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return parseHeaderRows(columns);
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}, [columns]);
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var WrapperComponent = getComponent(['header', 'wrapper'], 'thead');
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var trComponent = getComponent(['header', 'row'], 'tr');
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var thComponent = getComponent(['header', 'cell'], 'th');
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var tdComponent = getComponent(['header', 'cell'], 'td');
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return /*#__PURE__*/React.createElement(WrapperComponent, {
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className: "".concat(prefixCls, "-thead")
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}, rows.map(function (row, rowIndex) {
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var rowNode = /*#__PURE__*/React.createElement(HeaderRow, {
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key: rowIndex,
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flattenColumns: flattenColumns,
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cells: row,
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stickyOffsets: stickyOffsets,
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rowComponent: trComponent,
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cellComponent: thComponent,
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tdCellComponent: tdComponent,
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onHeaderRow: onHeaderRow,
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index: rowIndex
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});
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return rowNode;
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}));
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}
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export default responseImmutable(Header); |