[EuiDatagrid] fix content header styles to ensure text alignment is a…

…pplied (#7720)

changelogs/upcoming/7720.md

@@ -0,0 +1,4 @@
+**Bug fixes**
+
+- Fixed missing styles on header cells of `EuiDataGrid` that prevented content text alignment styles to apply
+

src/components/datagrid/body/header/_data_grid_header_row.scss

@@ -28,6 +28,10 @@
     @include euiDataGridCellFocus;
   }
 
+  .euiDataGridHeaderCell__content {
+    flex-grow: 1; // ensures content stretches and allows for manual layout styles to apply
+  }
+
   // We only truncate if the cell is not a control column.
   &:not(.euiDataGridHeaderCell--controlColumn) {
     .euiDataGridHeaderCell__button {
@@ -42,6 +46,8 @@
 
     .euiDataGridHeaderCell__content {
       @include euiTextTruncate;
+
+      text-align: left; // overwrites inherited 'center' styles from button
     }
 
     .euiDataGridHeaderCell__sortingArrow {
@@ -76,7 +82,6 @@
   &.euiDataGridHeaderCell--numeric,
   &.euiDataGridHeaderCell--currency {
     .euiDataGridHeaderCell__content {
-      flex-grow: 1;
       text-align: right;
     }
   }

src/components/datagrid/controls/data_grid_toolbar.tsx

@@ -18,7 +18,7 @@ import { EuiScreenReaderOnly } from '../../accessibility';
 import { IS_JEST_ENVIRONMENT } from '../../../utils';
 
 // When below this number the grid only shows the right control icon buttons
-const MINIMUM_WIDTH_FOR_GRID_CONTROLS = 479;
+export const MINIMUM_WIDTH_FOR_GRID_CONTROLS = 479;
 
 export const EuiDataGridToolbar = ({
   gridWidth,

src/components/datagrid/data_grid.stories.tsx

@@ -0,0 +1,353 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import React, { useCallback, useEffect, useState } from 'react';
+import type { Meta, StoryObj } from '@storybook/react';
+import { faker } from '@faker-js/faker';
+
+import { enableFunctionToggleControls } from '../../../.storybook/utils';
+import { EuiLink } from '../link';
+import { EuiScreenReaderOnly } from '../accessibility';
+import { EuiButtonIcon } from '../button';
+
+import { DEFAULT_ROW_HEIGHT } from './utils/row_heights';
+import { MINIMUM_WIDTH_FOR_GRID_CONTROLS } from './controls/data_grid_toolbar';
+import type {
+  EuiDataGridCellValueElementProps,
+  EuiDataGridColumnCellActionProps,
+  EuiDataGridColumnSortingConfig,
+  EuiDataGridProps,
+} from './data_grid_types';
+import { EuiDataGrid } from './data_grid';
+
+const dataKeys = [
+  'name',
+  'email',
+  'account',
+  'location',
+  'date',
+  'version',
+] as const;
+const raw_data = Array.from({ length: 10 }).map(() => {
+  const email = faker.internet.email();
+  const name = `${faker.person.lastName()}, ${faker.person.firstName()}`;
+  const suffix = faker.person.suffix();
+  return {
+    name: {
+      formatted: `${name} ${suffix}`,
+      raw: name,
+    },
+    email: {
+      formatted: <EuiLink href="">{faker.internet.email()}</EuiLink>,
+      raw: email,
+    },
+    location: (
+      <>
+        {`${faker.location.city()}, `}
+        <EuiLink href="https://google.com">{faker.location.country()}</EuiLink>
+      </>
+    ),
+    date: `${faker.date.past()}`,
+    account: faker.finance.accountNumber(),
+    version: faker.system.semver(),
+  };
+});
+
+const columns = [
+  {
+    id: 'name',
+    displayAsText: 'Name',
+    defaultSortDirection: 'asc' as const,
+    cellActions: [
+      ({ rowIndex, Component }: EuiDataGridColumnCellActionProps) => {
+        const data = raw_data;
+        const value = data[rowIndex].name.raw;
+        return (
+          <Component
+            onClick={() => alert(`Hi ${value}`)}
+            iconType="heart"
+            aria-label={`Say hi to ${value}!`}
+          >
+            Say hi
+          </Component>
+        );
+      },
+    ],
+  },
+  {
+    id: 'email',
+    displayAsText: 'Email address',
+    initialWidth: 130,
+    cellActions: [
+      ({ rowIndex, Component }: EuiDataGridColumnCellActionProps) => {
+        const data = raw_data;
+        const value = data[rowIndex].email.raw;
+        return (
+          <Component
+            onClick={() => alert(value)}
+            iconType="email"
+            aria-label={`Send email to ${value}`}
+          >
+            Send email
+          </Component>
+        );
+      },
+    ],
+  },
+  {
+    id: 'location',
+    displayAsText: 'Location',
+  },
+  {
+    id: 'account',
+    displayAsText: 'Account',
+    actions: {
+      showHide: { label: 'Custom hide label' },
+      showMoveLeft: false,
+      showMoveRight: false,
+      additional: [
+        {
+          label: 'Custom action',
+          onClick: () => {},
+          iconType: 'cheer',
+          size: 'xs' as const,
+          color: 'text' as const,
+        },
+      ],
+    },
+    cellActions: [
+      ({
+        rowIndex,
+        Component,
+        isExpanded,
+      }: EuiDataGridColumnCellActionProps) => {
+        const data = raw_data;
+        const value = data[rowIndex].account;
+        const onClick = isExpanded
+          ? () => alert(`Sent money to ${value} when expanded`)
+          : () => alert(`Sent money to ${value} when not expanded`);
+        return (
+          <Component
+            onClick={onClick}
+            iconType="faceHappy"
+            aria-label={`Send money to ${value}`}
+          >
+            Send money
+          </Component>
+        );
+      },
+    ],
+  },
+  {
+    id: 'date',
+    displayAsText: 'Date',
+    defaultSortDirection: 'desc' as const,
+  },
+  {
+    id: 'version',
+    displayAsText: 'Version',
+    defaultSortDirection: 'desc' as const,
+    initialWidth: 70,
+    isResizable: false,
+    actions: false as const,
+  },
+];
+
+const RenderCellValue = ({
+  rowIndex,
+  columnId,
+}: EuiDataGridCellValueElementProps) => {
+  const data = raw_data;
+  const row = data[rowIndex];
+  const columnName = columnId as (typeof dataKeys)[number];
+  const column = row[columnName];
+
+  const getFormatted = () => {
+    if (typeof column === 'object') {
+      const hasFormatted = 'formatted' in column;
+
+      return hasFormatted ? column.formatted : column;
+    }
+
+    return typeof column === 'string' ? column : null;
+  };
+
+  return data.hasOwnProperty(rowIndex) ? getFormatted() : null;
+};
+
+const meta: Meta<EuiDataGridProps> = {
+  title: 'Tabular Content/EuiDataGrid',
+  component: EuiDataGrid,
+  argTypes: {
+    width: { control: 'text' },
+    height: { control: 'text' },
+  },
+  args: {
+    minSizeForControls: MINIMUM_WIDTH_FOR_GRID_CONTROLS,
+  },
+};
+enableFunctionToggleControls(meta, ['onColumnResize']);
+
+export default meta;
+type Story = StoryObj<EuiDataGridProps>;
+
+export const Playground: Story = {
+  args: {
+    columns,
+    rowCount: 10,
+    renderCellValue: RenderCellValue,
+    trailingControlColumns: [
+      {
+        id: 'trailing-actions',
+        width: 40,
+        headerCellRender: () => (
+          <EuiScreenReaderOnly>
+            <span>Trailing actions</span>
+          </EuiScreenReaderOnly>
+        ),
+        rowCellRender: () => <EuiButtonIcon iconType="boxesHorizontal" />,
+      },
+    ],
+    leadingControlColumns: [
+      {
+        id: 'leading-actions',
+        width: 40,
+        headerCellRender: () => (
+          <EuiScreenReaderOnly>
+            <span>Leading actions</span>
+          </EuiScreenReaderOnly>
+        ),
+        rowCellRender: () => <EuiButtonIcon iconType="boxesHorizontal" />,
+      },
+    ],
+    // setup for easier testing/QA
+    columnVisibility: {
+      visibleColumns: [
+        'name',
+        'email',
+        'account',
+        'location',
+        'date',
+        'amount',
+        'phone',
+        'version',
+      ],
+      setVisibleColumns: () => {},
+    },
+    inMemory: { level: 'sorting' },
+    pagination: {
+      pageIndex: 0,
+      pageSize: 10,
+      pageSizeOptions: [10, 20, 50],
+      onChangeItemsPerPage: () => {},
+      onChangePage: () => {},
+    },
+    gridStyle: {
+      fontSize: 'm',
+      cellPadding: 'm',
+      border: 'all',
+      stripes: false,
+      header: 'shade',
+      footer: 'overline',
+      stickyFooter: true,
+      rowHover: 'highlight',
+      rowClasses: {},
+    },
+    width: '',
+    height: '',
+    toolbarVisibility: {
+      showColumnSelector: true,
+      showDisplaySelector: true,
+      showSortSelector: true,
+      showKeyboardShortcuts: true,
+      showFullScreenSelector: true,
+      additionalControls: null,
+    },
+    rowHeightsOptions: {
+      defaultHeight: DEFAULT_ROW_HEIGHT,
+      rowHeights: {},
+      lineHeight: undefined,
+      scrollAnchorRow: undefined,
+    },
+  },
+  render: (args: EuiDataGridProps) => <StatefulDataGrid {...args} />,
+};
+
+const StatefulDataGrid = (props: EuiDataGridProps) => {
+  const { pagination, sorting, columnVisibility, ...rest } = props;
+
+  // Pagination
+  const [_pagination, setPagination] = useState({
+    pageIndex: pagination?.pageIndex ?? 0,
+    ...pagination,
+  });
+  const onChangeItemsPerPage = useCallback(
+    (pageSize: number) =>
+      setPagination((pagination) => ({
+        ...pagination,
+        pageSize,
+        pageIndex: 0,
+      })),
+    [setPagination]
+  );
+  const onChangePage = useCallback(
+    (pageIndex: number) =>
+      setPagination((pagination) => ({ ...pagination, pageIndex })),
+    [setPagination]
+  );
+
+  useEffect(() => {
+    if (pagination) {
+      setPagination((curentPagination) => ({
+        ...curentPagination,
+        ...pagination,
+      }));
+    }
+  }, [pagination]);
+
+  // Sorting
+  const [sortingColumns, setSortingColumns] = useState<
+    EuiDataGridColumnSortingConfig[]
+  >(sorting?.columns ?? []);
+  const onSort = useCallback(
+    (sortingColumns: EuiDataGridColumnSortingConfig[]) => {
+      setSortingColumns(sortingColumns);
+    },
+    [setSortingColumns]
+  );
+
+  useEffect(() => {
+    if (sorting && Array.isArray(sorting.columns)) {
+      setSortingColumns(sorting.columns);
+    }
+  }, [sorting]);
+
+  // Column visibility
+  const [visibleColumns, setVisibleColumns] = useState(
+    columnVisibility?.visibleColumns ?? columns.map(({ id }) => id) // initialize to the full set of columns
+  );
+
+  useEffect(() => {
+    if (columnVisibility?.visibleColumns != null) {
+      setVisibleColumns(columnVisibility?.visibleColumns);
+    }
+  }, [columnVisibility]);
+
+  return (
+    <EuiDataGrid
+      {...rest}
+      columnVisibility={{ visibleColumns, setVisibleColumns }}
+      sorting={{ columns: sortingColumns, onSort }}
+      pagination={{
+        ..._pagination,
+        onChangeItemsPerPage: onChangeItemsPerPage,
+        onChangePage: onChangePage,
+      }}
+    />
+  );
+};