96 lines
3.1 KiB
JavaScript
96 lines
3.1 KiB
JavaScript
import { createVNode as _createVNode } from "vue";
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import classNames from '../../_util/classNames';
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import { computed, defineComponent } from 'vue';
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import { useInjectTable } from '../context/TableContext';
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import HeaderRow from './HeaderRow';
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function parseHeaderRows(rootColumns) {
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const rows = [];
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function fillRowCells(columns, colIndex) {
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let 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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let currentColIndex = colIndex;
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const colSpans = columns.filter(Boolean).map(column => {
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const cell = {
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key: column.key,
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class: classNames(column.className, column.class),
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// children: column.title,
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column,
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colStart: currentColIndex
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};
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let colSpan = 1;
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const subColumns = column.children;
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if (subColumns && subColumns.length > 0) {
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colSpan = fillRowCells(subColumns, currentColIndex, rowIndex + 1).reduce((total, count) => total + count, 0);
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cell.hasSubColumns = true;
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}
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if ('colSpan' in column) {
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({
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colSpan
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} = column);
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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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const rowCount = rows.length;
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for (let rowIndex = 0; rowIndex < rowCount; rowIndex += 1) {
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rows[rowIndex].forEach(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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return rows;
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}
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export default defineComponent({
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name: 'TableHeader',
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inheritAttrs: false,
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props: ['columns', 'flattenColumns', 'stickyOffsets', 'customHeaderRow'],
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setup(props) {
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const tableContext = useInjectTable();
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const rows = computed(() => parseHeaderRows(props.columns));
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return () => {
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const {
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prefixCls,
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getComponent
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} = tableContext;
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const {
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stickyOffsets,
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flattenColumns,
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customHeaderRow
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} = props;
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const WrapperComponent = getComponent(['header', 'wrapper'], 'thead');
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const trComponent = getComponent(['header', 'row'], 'tr');
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const thComponent = getComponent(['header', 'cell'], 'th');
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return _createVNode(WrapperComponent, {
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"class": `${prefixCls}-thead`
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}, {
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default: () => [rows.value.map((row, rowIndex) => {
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const rowNode = _createVNode(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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"customHeaderRow": customHeaderRow,
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"index": rowIndex
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}, null);
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return rowNode;
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})]
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});
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};
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}
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}); |