@itwin/itwinui-react/esm/core/Table/ColumnHeader.js

A react component library for iTwinUI

import * as React from 'react';
import {
  Box,
  ShadowRoot,
  lineClamp,
  SvgSortDown,
  SvgSortUp,
  useMergedRefs,
} from '../../utils/index.js';
import { FilterToggle } from './filters/FilterToggle.js';
import {
  getCellStyle,
  getSubRowStyle,
  getStickyStyle,
  TableInstanceContext,
} from './utils.js';
import cx from 'classnames';
export const ColumnHeader = React.forwardRef((props, forwardedRef) => {
  let {
    column,
    areFiltersSet,
    isResizable,
    columnResizeMode,
    enableColumnReordering,
    density,
    columnHasExpanders,
    isLast,
    isTableEmpty,
    ...rest
  } = props;
  let isHeaderDirectClick = React.useRef(false);
  let instance = React.useContext(TableInstanceContext);
  let COLUMN_MIN_WIDTHS = {
    default: 72,
    withExpander: 108,
  };
  let showFilterButton = (column) =>
    (!isTableEmpty || areFiltersSet) && column.canFilter && !!column.Filter;
  let showSortButton = (column) => !isTableEmpty && column.canSort;
  let { onClick, ...restSortProps } = column.getSortByToggleProps();
  if ([void 0, 0].includes(column.minWidth)) {
    column.minWidth = columnHasExpanders
      ? COLUMN_MIN_WIDTHS.withExpander
      : COLUMN_MIN_WIDTHS.default;
    if ('number' == typeof column.width && column.minWidth > column.width)
      column.minWidth = column.width;
  }
  let columnProps = column.getHeaderProps({
    ...restSortProps,
    className: cx(
      'iui-table-cell',
      {
        'iui-actionable': column.canSort,
        'iui-sorted': column.isSorted,
        'iui-table-cell-sticky': !!column.sticky,
      },
      column.columnClassName,
    ),
    style: {
      ...getCellStyle(column, !!instance?.state.isTableResizing),
      ...(columnHasExpanders &&
        getSubRowStyle({
          density,
        })),
      ...getStickyStyle(column, instance?.visibleColumns ?? []),
      flexWrap: 'wrap',
      columnGap: 'var(--iui-size-xs)',
    },
  });
  return React.createElement(
    Box,
    {
      ...columnProps,
      ...rest,
      key: columnProps.key,
      title: void 0,
      ref: useMergedRefs(
        React.useCallback(
          (el) => {
            if (el) column.resizeWidth = el.getBoundingClientRect().width;
          },
          [column],
        ),
        forwardedRef,
      ),
      onMouseDown: () => {
        isHeaderDirectClick.current = true;
      },
      onClick: (e) => {
        if (isHeaderDirectClick.current) {
          onClick?.(e);
          isHeaderDirectClick.current = false;
        }
      },
      tabIndex: showSortButton(column) ? 0 : void 0,
      onKeyDown: (e) => {
        if ('Enter' == e.key && showSortButton(column)) column.toggleSortBy();
      },
    },
    React.createElement(
      React.Fragment,
      null,
      'string' == typeof column.Header
        ? React.createElement(
            ShadowRoot,
            {
              css: lineClamp.css,
            },
            React.createElement(
              'div',
              {
                className: lineClamp.className,
              },
              React.createElement('slot', null),
            ),
            React.createElement('slot', {
              name: 'actions',
            }),
            React.createElement('slot', {
              name: 'resizers',
            }),
            React.createElement('slot', {
              name: 'shadows',
            }),
          )
        : null,
      column.render('Header'),
      (showFilterButton(column) || showSortButton(column)) &&
        React.createElement(
          Box,
          {
            className: 'iui-table-header-actions-container',
            onKeyDown: (e) => e.stopPropagation(),
            slot: 'actions',
          },
          showFilterButton(column) &&
            React.createElement(FilterToggle, {
              column: column,
            }),
          showSortButton(column) &&
            React.createElement(
              Box,
              {
                className: 'iui-table-cell-end-icon',
              },
              column.isSortedDesc || (!column.isSorted && column.sortDescFirst)
                ? React.createElement(SvgSortDown, {
                    className: 'iui-table-sort',
                    'aria-hidden': true,
                  })
                : React.createElement(SvgSortUp, {
                    className: 'iui-table-sort',
                    'aria-hidden': true,
                  }),
            ),
        ),
      isResizable &&
        column.isResizerVisible &&
        (!isLast || 'expand' === columnResizeMode) &&
        React.createElement(
          Box,
          {
            ...column.getResizerProps(),
            className: 'iui-table-resizer',
            slot: 'resizers',
          },
          React.createElement(Box, {
            className: 'iui-table-resizer-bar',
          }),
        ),
      enableColumnReordering &&
        !column.disableReordering &&
        React.createElement(Box, {
          className: 'iui-table-reorder-bar',
          slot: 'resizers',
        }),
      'left' === column.sticky &&
        instance?.state.sticky.isScrolledToRight &&
        React.createElement(Box, {
          className: 'iui-table-cell-shadow-right',
          slot: 'shadows',
        }),
      'right' === column.sticky &&
        instance?.state.sticky.isScrolledToLeft &&
        React.createElement(Box, {
          className: 'iui-table-cell-shadow-left',
          slot: 'shadows',
        }),
    ),
  );
});