choerodon-ui/lib/rc-components/table/TableHeader.js

An enterprise-class UI design language and React-based implementation

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault")["default"];

var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard")["default"];

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = TableHeader;

var _react = _interopRequireWildcard(require("react"));

var _TableHeaderRow = _interopRequireDefault(require("./TableHeaderRow"));

var _TableContext = _interopRequireDefault(require("./TableContext"));

function getHeaderRows(columns) {
  var currentRow = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
  var rows = arguments.length > 2 ? arguments[2] : undefined;
  rows = rows || [];
  rows[currentRow] = rows[currentRow] || [];
  columns.forEach(function (column) {
    if (column.rowSpan && rows.length < column.rowSpan) {
      while (rows.length < column.rowSpan) {
        rows.push([]);
      }
    }

    var cell = {
      key: column.key,
      className: column.className || '',
      children: column.title,
      tabIndex: -1,
      column: column
    };

    if (column.children) {
      getHeaderRows(column.children, currentRow + 1, rows);
    }

    if ('colSpan' in column) {
      cell.colSpan = column.colSpan;
    }

    if ('rowSpan' in column) {
      cell.rowSpan = column.rowSpan;
    }

    if (cell.colSpan !== 0) {
      rows[currentRow].push(cell);
    }
  });
  return rows.filter(function (row) {
    return row.length > 0;
  });
}

function TableHeader(props) {
  var table = (0, _react.useContext)(_TableContext["default"]);
  var components = table.components;
  var _table$props = table.props,
      prefixCls = _table$props.prefixCls,
      showHeader = _table$props.showHeader,
      onHeaderRow = _table$props.onHeaderRow;
  var expander = props.expander,
      columns = props.columns,
      fixed = props.fixed,
      placeholder = props.placeholder;

  if (!showHeader) {
    return null;
  }

  var rows = getHeaderRows(columns);
  expander.renderExpandIndentCell(rows, fixed);
  var HeaderWrapper = components.header.wrapper;
  return /*#__PURE__*/_react["default"].createElement(HeaderWrapper, {
    className: "".concat(prefixCls, "-thead")
  }, rows.map(function (row, index) {
    return /*#__PURE__*/_react["default"].createElement(_TableHeaderRow["default"], {
      key: index,
      index: index,
      fixed: fixed,
      columns: columns,
      rows: rows,
      row: row,
      components: components,
      onHeaderRow: onHeaderRow,
      placeholder: index === 0 && placeholder,
      prefixCls: prefixCls
    });
  }));
}
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