Table panel: Use link elements instead of div elements with on click events to aid with keyboard accessibility (#59393)

* TablePanel: fix image of image cell overflowing table cell when a data link is added

packages/grafana-ui/src/components/Button/Button.tsx

@@ -311,3 +311,18 @@ export const clearButtonStyles = (theme: GrafanaTheme2) => {
     padding: 0;
   `;
 };
+
+export const clearLinkButtonStyles = (theme: GrafanaTheme2) => {
+  return css`
+    background: transparent;
+    border: none;
+    padding: 0;
+    font-family: inherit;
+    color: inherit;
+    height: 100%;
+    &:hover {
+      background: transparent;
+      color: inherit;
+    }
+  `;
+};

packages/grafana-ui/src/components/Table/DefaultCell.tsx

@@ -5,7 +5,9 @@ import tinycolor from 'tinycolor2';
 import { DisplayValue, formattedValueToString } from '@grafana/data';
 import { TableCellBackgroundDisplayMode, TableCellOptions } from '@grafana/schema';
 
+import { useStyles2 } from '../../themes';
 import { getCellLinks, getTextColorForAlphaBackground } from '../../utils';
+import { Button, clearLinkButtonStyles } from '../Button';
 import { DataLinksContextMenu } from '../DataLinks/DataLinksContextMenu';
 
 import { CellActions } from './CellActions';
@@ -31,6 +33,7 @@ export const DefaultCell: FC<TableCellProps> = (props) => {
   const cellOptions = getCellOptions(field);
   const cellStyle = getCellStyle(tableStyles, cellOptions, displayValue, inspectEnabled);
   const hasLinks = Boolean(getCellLinks(field, row)?.length);
+  const clearButtonStyle = useStyles2(clearLinkButtonStyles);
 
   return (
     <div {...cellProps} className={cellStyle}>
@@ -39,11 +42,16 @@ export const DefaultCell: FC<TableCellProps> = (props) => {
       {hasLinks && (
         <DataLinksContextMenu links={() => getCellLinks(field, row) || []}>
           {(api) => {
-            return (
-              <div onClick={api.openMenu} className={getLinkStyle(tableStyles, cellOptions, api.targetClassName)}>
-                {value}
-              </div>
-            );
+            const content = <div className={getLinkStyle(tableStyles, cellOptions, api.targetClassName)}>{value}</div>;
+            if (api.openMenu) {
+              return (
+                <Button className={cx(clearButtonStyle)} onClick={api.openMenu}>
+                  {content}
+                </Button>
+              );
+            } else {
+              return content;
+            }
           }}
         </DataLinksContextMenu>
       )}

packages/grafana-ui/src/components/Table/FilterPopup.tsx

@@ -50,6 +50,8 @@ export const FilterPopup: FC<Props> = ({ column: { preFilteredRows, filterValue,
 
   return (
     <ClickOutsideWrapper onClick={onCancel} useCapture={true}>
+      {/* This is just blocking click events from bubbeling and should not have a keyboard interaction. */}
+      {/* eslint-disable-next-line jsx-a11y/no-static-element-interactions */}
       <div className={cx(styles.filterContainer)} onClick={stopPropagation}>
         <VerticalGroup spacing="lg">
           <VerticalGroup spacing="xs">

packages/grafana-ui/src/components/Table/ImageCell.tsx

@@ -1,7 +1,9 @@
 import { cx } from '@emotion/css';
 import React, { FC } from 'react';
 
+import { useStyles2 } from '../../themes';
 import { getCellLinks } from '../../utils';
+import { Button, clearLinkButtonStyles } from '../Button';
 import { DataLinksContextMenu } from '../DataLinks/DataLinksContextMenu';
 
 import { TableCellProps } from './types';
@@ -12,6 +14,7 @@ export const ImageCell: FC<TableCellProps> = (props) => {
   const displayValue = field.display!(cell.value);
 
   const hasLinks = Boolean(getCellLinks(field, row)?.length);
+  const clearButtonStyle = useStyles2(clearLinkButtonStyles);
 
   return (
     <div {...cellProps} className={tableStyles.cellContainer}>
@@ -19,11 +22,16 @@ export const ImageCell: FC<TableCellProps> = (props) => {
       {hasLinks && (
         <DataLinksContextMenu style={{ height: '100%' }} links={() => getCellLinks(field, row) || []}>
           {(api) => {
-            return (
-              <div onClick={api.openMenu} className={cx(tableStyles.imageCellLink, api.targetClassName)}>
-                <img src={displayValue.text} className={tableStyles.imageCell} alt="" />
-              </div>
-            );
+            const img = <img src={displayValue.text} className={tableStyles.imageCell} alt="" />;
+            if (api.openMenu) {
+              return (
+                <Button className={cx(clearButtonStyle)} onClick={api.openMenu}>
+                  {img}
+                </Button>
+              );
+            } else {
+              return img;
+            }
           }}
         </DataLinksContextMenu>
       )}

packages/grafana-ui/src/components/Table/JSONViewCell.tsx

@@ -2,7 +2,9 @@ import { css, cx } from '@emotion/css';
 import { isString } from 'lodash';
 import React from 'react';
 
+import { useStyles2 } from '../../themes';
 import { getCellLinks } from '../../utils';
+import { Button, clearLinkButtonStyles } from '../Button';
 import { DataLinksContextMenu } from '../DataLinks/DataLinksContextMenu';
 
 import { CellActions } from './CellActions';
@@ -28,6 +30,7 @@ export function JSONViewCell(props: TableCellProps): JSX.Element {
   }
 
   const hasLinks = Boolean(getCellLinks(field, row)?.length);
+  const clearButtonStyle = useStyles2(clearLinkButtonStyles);
 
   return (
     <div {...cellProps} className={inspectEnabled ? tableStyles.cellContainerNoOverflow : tableStyles.cellContainer}>
@@ -36,11 +39,15 @@ export function JSONViewCell(props: TableCellProps): JSX.Element {
         {hasLinks && (
           <DataLinksContextMenu links={() => getCellLinks(field, row) || []}>
             {(api) => {
-              return (
-                <div onClick={api.openMenu} className={api.targetClassName}>
-                  {displayValue}
-                </div>
-              );
+              if (api.openMenu) {
+                return (
+                  <Button className={cx(clearButtonStyle)} onClick={api.openMenu}>
+                    {displayValue}
+                  </Button>
+                );
+              } else {
+                return <>{displayValue}</>;
+              }
             }}
           </DataLinksContextMenu>
         )}