TablePanel: Add cell inspect option (#45620)

* TablePanel: Add cell preview option

* Review comments

* Change modal title

* Review

* Review 2

* Docs

docs/sources/visualizations/table/_index.md

@@ -96,6 +96,12 @@ If you have a field value that is an image URL or a base64 encoded image you can
 
 {{< figure src="/static/img/docs/v73/table_hover.gif" max-width="900px" caption="Table hover" >}}
 
+## Cell value inspect
+
+Enables value inspection from table cell. The raw value is presented in a modal window.
+
+> **Note:** Cell value inspection is only available when cell display mode is set to Auto, Color text, Color background or JSON View.
+
 ## Column filter
 
 You can temporarily change how column data is displayed. For example, you can order values from highest to lowest or hide specific values. For more information, refer to [Filter table columns]({{< relref "./filter-table-columns.md" >}}).

packages/grafana-schema/src/schema/graph.gen.ts

@@ -283,6 +283,7 @@ export enum BarGaugeDisplayMode {
 export interface TableFieldOptions {
   align: string;
   displayMode: TableCellDisplayMode;
+  inspect: boolean;
   hidden?: boolean;
   minWidth?: number;
   width?: number;
@@ -292,6 +293,7 @@ export interface TableFieldOptions {
 export const defaultTableFieldOptions: TableFieldOptions = {
   align: 'auto',
   displayMode: TableCellDisplayMode.Auto,
+  inspect: false,
 };
 
 export interface VizTooltipOptions {

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

@@ -0,0 +1,70 @@
+import React, { useCallback, useState } from 'react';
+import { IconSize } from '../../types/icon';
+import { IconButton } from '../IconButton/IconButton';
+import { HorizontalGroup } from '../Layout/Layout';
+import { TooltipPlacement } from '../Tooltip';
+import { TableCellInspectModal } from './TableCellInspectModal';
+import { FILTER_FOR_OPERATOR, FILTER_OUT_OPERATOR, TableCellProps, TableFieldOptions } from './types';
+import { getTextAlign } from './utils';
+
+interface CellActionProps extends TableCellProps {
+  previewMode: 'text' | 'code';
+}
+
+export function CellActions({ field, cell, previewMode, onCellFilterAdded }: CellActionProps) {
+  const [isInspecting, setIsInspecting] = useState(false);
+
+  const isRightAligned = getTextAlign(field) === 'flex-end';
+  const showFilters = Boolean(field.config.filterable) && cell.value !== undefined;
+  const inspectEnabled = Boolean((field.config.custom as TableFieldOptions)?.inspect);
+  const commonButtonProps = {
+    size: 'sm' as IconSize,
+    tooltipPlacement: 'top' as TooltipPlacement,
+  };
+
+  const onFilterFor = useCallback(
+    (event: React.MouseEvent<HTMLButtonElement>) =>
+      onCellFilterAdded({ key: field.name, operator: FILTER_FOR_OPERATOR, value: cell.value }),
+    [cell, field, onCellFilterAdded]
+  );
+  const onFilterOut = useCallback(
+    (event: React.MouseEvent<HTMLButtonElement>) =>
+      onCellFilterAdded({ key: field.name, operator: FILTER_OUT_OPERATOR, value: cell.value }),
+    [cell, field, onCellFilterAdded]
+  );
+
+  return (
+    <>
+      <div className={`cellActions ${isRightAligned ? 'cellActionsLeft' : ''}`}>
+        <HorizontalGroup spacing="xs">
+          {inspectEnabled && (
+            <IconButton
+              name="eye"
+              tooltip="Inspect value"
+              onClick={() => {
+                setIsInspecting(true);
+              }}
+              {...commonButtonProps}
+            />
+          )}
+          {showFilters && (
+            <IconButton name={'search-plus'} onClick={onFilterFor} tooltip="Filter for value" {...commonButtonProps} />
+          )}
+          {showFilters && (
+            <IconButton name={'search-minus'} onClick={onFilterOut} tooltip="Filter out value" {...commonButtonProps} />
+          )}
+        </HorizontalGroup>
+      </div>
+
+      {isInspecting && (
+        <TableCellInspectModal
+          mode={previewMode}
+          value={cell.value}
+          onDismiss={() => {
+            setIsInspecting(false);
+          }}
+        />
+      )}
+    </>
+  );
+}

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

@@ -1,15 +1,16 @@
 import React, { FC, ReactElement } from 'react';
 import { DisplayValue, Field, formattedValueToString } from '@grafana/data';
 
-import { TableCellDisplayMode, TableCellProps } from './types';
+import { TableCellDisplayMode, TableCellProps, TableFieldOptions } from './types';
 import tinycolor from 'tinycolor2';
 import { TableStyles } from './styles';
-import { FilterActions } from './FilterActions';
 import { getTextColorForBackground, getCellLinks } from '../../utils';
+import { CellActions } from './CellActions';
 
 export const DefaultCell: FC<TableCellProps> = (props) => {
   const { field, cell, tableStyles, row, cellProps } = props;
 
+  const inspectEnabled = Boolean((field.config.custom as TableFieldOptions)?.inspect);
   const displayValue = field.display!(cell.value);
 
   let value: string | ReactElement;
@@ -19,8 +20,9 @@ export const DefaultCell: FC<TableCellProps> = (props) => {
     value = formattedValueToString(displayValue);
   }
 
-  const cellStyle = getCellStyle(tableStyles, field, displayValue);
   const showFilters = field.config.filterable;
+  const showActions = (showFilters && cell.value !== undefined) || inspectEnabled;
+  const cellStyle = getCellStyle(tableStyles, field, displayValue, inspectEnabled);
 
   const { link, onClick } = getCellLinks(field, row);
 
@@ -32,20 +34,25 @@ export const DefaultCell: FC<TableCellProps> = (props) => {
           {value}
         </a>
       )}
-      {showFilters && cell.value !== undefined && <FilterActions {...props} />}
+      {showActions && <CellActions {...props} previewMode="text" />}
     </div>
   );
 };
 
-function getCellStyle(tableStyles: TableStyles, field: Field, displayValue: DisplayValue) {
+function getCellStyle(
+  tableStyles: TableStyles,
+  field: Field,
+  displayValue: DisplayValue,
+  disableOverflowOnHover = false
+) {
   if (field.config.custom?.displayMode === TableCellDisplayMode.ColorText) {
-    return tableStyles.buildCellContainerStyle(displayValue.color);
+    return tableStyles.buildCellContainerStyle(displayValue.color, undefined, !disableOverflowOnHover);
   }
 
   if (field.config.custom?.displayMode === TableCellDisplayMode.ColorBackgroundSolid) {
     const bgColor = tinycolor(displayValue.color);
     const textColor = getTextColorForBackground(displayValue.color!);
-    return tableStyles.buildCellContainerStyle(textColor, bgColor.toRgbString());
+    return tableStyles.buildCellContainerStyle(textColor, bgColor.toRgbString(), !disableOverflowOnHover);
   }
 
   if (field.config.custom?.displayMode === TableCellDisplayMode.ColorBackground) {
@@ -59,9 +66,10 @@ function getCellStyle(tableStyles: TableStyles, field: Field, displayValue: Disp
 
     return tableStyles.buildCellContainerStyle(
       textColor,
-      `linear-gradient(120deg, ${bgColor2}, ${displayValue.color})`
+      `linear-gradient(120deg, ${bgColor2}, ${displayValue.color})`,
+      !disableOverflowOnHover
     );
   }
 
-  return tableStyles.cellContainer;
+  return disableOverflowOnHover ? tableStyles.cellContainerNoOverflow : tableStyles.cellContainer;
 }

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

@@ -1,31 +0,0 @@
-import React, { FC, useCallback } from 'react';
-import { FILTER_FOR_OPERATOR, FILTER_OUT_OPERATOR, TableCellProps } from './types';
-import { Icon, Tooltip } from '..';
-
-export const FilterActions: FC<TableCellProps> = ({ cell, field, tableStyles, onCellFilterAdded }) => {
-  const onFilterFor = useCallback(
-    (event: React.MouseEvent<HTMLDivElement>) =>
-      onCellFilterAdded({ key: field.name, operator: FILTER_FOR_OPERATOR, value: cell.value }),
-    [cell, field, onCellFilterAdded]
-  );
-  const onFilterOut = useCallback(
-    (event: React.MouseEvent<HTMLDivElement>) =>
-      onCellFilterAdded({ key: field.name, operator: FILTER_OUT_OPERATOR, value: cell.value }),
-    [cell, field, onCellFilterAdded]
-  );
-
-  return (
-    <div className={tableStyles.filterWrapper}>
-      <div className={tableStyles.filterItem}>
-        <Tooltip content="Filter for value" placement="top">
-          <Icon name={'search-plus'} onClick={onFilterFor} />
-        </Tooltip>
-      </div>
-      <div className={tableStyles.filterItem}>
-        <Tooltip content="Filter out value" placement="top">
-          <Icon name={'search-minus'} onClick={onFilterOut} />
-        </Tooltip>
-      </div>
-    </div>
-  );
-};

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

@@ -1,15 +1,12 @@
 import React from 'react';
 import { css, cx } from '@emotion/css';
 import { isString } from 'lodash';
-import { Tooltip } from '../Tooltip/Tooltip';
-import { JSONFormatter } from '../JSONFormatter/JSONFormatter';
-import { useStyles2 } from '../../themes';
-import { TableCellProps } from './types';
-import { GrafanaTheme2 } from '@grafana/data';
+import { TableCellProps, TableFieldOptions } from './types';
+import { CellActions } from './CellActions';
 
 export function JSONViewCell(props: TableCellProps): JSX.Element {
-  const { cell, tableStyles, cellProps } = props;
-
+  const { cell, tableStyles, cellProps, field } = props;
+  const inspectEnabled = Boolean((field.config.custom as TableFieldOptions)?.inspect);
   const txt = css`
     cursor: pointer;
     font-family: monospace;
@@ -26,41 +23,10 @@ export function JSONViewCell(props: TableCellProps): JSX.Element {
     displayValue = JSON.stringify(value, null, ' ');
   }
 
-  const content = <JSONTooltip value={value} />;
-
   return (
-    <Tooltip placement="auto-start" content={content} theme="info" interactive>
-      <div {...cellProps} className={tableStyles.cellContainer}>
-        <div className={cx(tableStyles.cellText, txt)}>{displayValue}</div>
-      </div>
-    </Tooltip>
-  );
-}
-
-interface PopupProps {
-  value: any;
-}
-
-function JSONTooltip(props: PopupProps): JSX.Element {
-  const styles = useStyles2(getStyles);
-  return (
-    <div className={styles.container}>
-      <div>
-        <JSONFormatter json={props.value} open={4} className={styles.json} />
-      </div>
+    <div {...cellProps} className={inspectEnabled ? tableStyles.cellContainerNoOverflow : tableStyles.cellContainer}>
+      <div className={cx(tableStyles.cellText, txt)}>{displayValue}</div>
+      {inspectEnabled && <CellActions {...props} previewMode="code" />}
     </div>
   );
 }
-
-function getStyles(theme: GrafanaTheme2) {
-  return {
-    container: css`
-      padding: ${theme.spacing(0.5)};
-    `,
-    json: css`
-      width: fit-content;
-      max-height: 70vh;
-      overflow-y: auto;
-    `,
-  };
-}

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

@@ -0,0 +1,75 @@
+import { isString } from 'lodash';
+import React, { useEffect, useState } from 'react';
+import { ClipboardButton } from '../ClipboardButton/ClipboardButton';
+import { Icon } from '../Icon/Icon';
+import { Modal } from '../Modal/Modal';
+import { CodeEditor } from '../Monaco/CodeEditor';
+
+interface TableCellInspectModalProps {
+  value: any;
+  onDismiss: () => void;
+  mode: 'code' | 'text';
+}
+
+export function TableCellInspectModal({ value, onDismiss, mode }: TableCellInspectModalProps) {
+  const [isInClipboard, setIsInClipboard] = useState(false);
+  const timeoutRef = React.useRef<number>();
+
+  useEffect(() => {
+    if (isInClipboard) {
+      timeoutRef.current = window.setTimeout(() => {
+        setIsInClipboard(false);
+      }, 2000);
+    }
+
+    return () => {
+      if (timeoutRef.current) {
+        window.clearTimeout(timeoutRef.current);
+      }
+    };
+  }, [isInClipboard]);
+
+  let displayValue = value;
+  if (isString(value)) {
+    try {
+      value = JSON.parse(value);
+    } catch {} // ignore errors
+  } else {
+    displayValue = JSON.stringify(value, null, ' ');
+  }
+  let text = displayValue;
+
+  if (mode === 'code') {
+    text = JSON.stringify(value, null, ' ');
+  }
+
+  return (
+    <Modal onDismiss={onDismiss} isOpen={true} title="Inspect value">
+      {mode === 'code' ? (
+        <CodeEditor
+          width="100%"
+          height={500}
+          language="json"
+          showLineNumbers={true}
+          showMiniMap={(text && text.length) > 100}
+          value={text}
+          readOnly={true}
+        />
+      ) : (
+        <pre>{text}</pre>
+      )}
+      <Modal.ButtonRow>
+        <ClipboardButton getText={() => text} onClipboardCopy={() => setIsInClipboard(true)}>
+          {!isInClipboard ? (
+            'Copy to Clipboard'
+          ) : (
+            <>
+              <Icon name="check" />
+              Copied to clipboard
+            </>
+          )}
+        </ClipboardButton>
+      </Modal.ButtonRow>
+    </Modal>
+  );
+}

packages/grafana-ui/src/components/Table/styles.ts

@@ -1,4 +1,4 @@
-import { css, cx } from '@emotion/css';
+import { css, CSSObject } from '@emotion/css';
 import { GrafanaTheme2 } from '@grafana/data';
 import { getScrollbarWidth } from '../../utils';
 
@@ -14,8 +14,27 @@ export const getTableStyles = (theme: GrafanaTheme2) => {
   const rowHoverBg = theme.colors.emphasize(theme.colors.background.primary, 0.03);
   const lastChildExtraPadding = Math.max(getScrollbarWidth(), cellPadding);
 
-  const buildCellContainerStyle = (color?: string, background?: string) => {
+  const buildCellContainerStyle = (color?: string, background?: string, overflowOnHover?: boolean) => {
+    const cellActionsOverflow: CSSObject = {
+      margin: theme.spacing(0, -0.5, 0, 0.5),
+    };
+    const cellActionsNoOverflow: CSSObject = {
+      position: 'absolute',
+      top: 0,
+      right: 0,
+      margin: 'auto',
+    };
+
+    const onHoverOverflow: CSSObject = {
+      overflow: 'visible',
+      width: 'auto !important',
+      boxShadow: `0 0 2px ${theme.colors.primary.main}`,
+      background: background ?? rowHoverBg,
+      zIndex: 1,
+    };
+
     return css`
+      label: ${overflowOnHover ? 'cellContainerOverflow' : 'cellContainerNoOverflow'};
       padding: ${cellPadding}px;
       width: 100%;
       height: 100%;
@@ -33,19 +52,42 @@ export const getTableStyles = (theme: GrafanaTheme2) => {
       }
 
       &:hover {
-        overflow: visible;
-        width: auto !important;
-        box-shadow: 0 0 2px ${theme.colors.primary.main};
-        background: ${background ?? rowHoverBg};
-        z-index: 1;
-
-        .cell-filter-actions  {
-          display: inline-flex;
+        ${overflowOnHover && onHoverOverflow};
+        .cellActions {
+          visibility: visible;
+          opacity: 1;
+          width: auto;
         }
       }
+
       a {
         color: inherit;
       }
+
+      .cellActions {
+        display: flex;
+        ${overflowOnHover ? cellActionsOverflow : cellActionsNoOverflow}
+        visibility: hidden;
+        opacity: 0;
+        width: 0;
+        align-items: center;
+        height: 100%;
+        padding: ${theme.spacing(1, 0.5, 1, 0.5)};
+        background: ${background ? 'none' : theme.colors.emphasize(theme.colors.background.primary, 0.03)};
+
+        svg {
+          color: ${color};
+        }
+      }
+
+      .cellActionsLeft {
+        right: auto !important;
+        left: 0;
+      }
+
+      .cellActionsTransparent {
+        background: none;
+      }
     `;
   };
 
@@ -102,7 +144,8 @@ export const getTableStyles = (theme: GrafanaTheme2) => {
       display: flex;
       margin-right: ${theme.spacing(0.5)};
     `,
-    cellContainer: buildCellContainerStyle(),
+    cellContainer: buildCellContainerStyle(undefined, undefined, true),
+    cellContainerNoOverflow: buildCellContainerStyle(undefined, undefined, false),
     cellText: css`
       overflow: hidden;
       text-overflow: ellipsis;
@@ -161,22 +204,6 @@ export const getTableStyles = (theme: GrafanaTheme2) => {
         opacity: 1;
       }
     `,
-    filterWrapper: cx(
-      css`
-        label: filterWrapper;
-        display: none;
-        justify-content: flex-end;
-        flex-grow: 1;
-        opacity: 0.6;
-        padding-left: ${theme.spacing(0.25)};
-      `,
-      'cell-filter-actions'
-    ),
-    filterItem: css`
-      label: filterItem;
-      cursor: pointer;
-      padding: 0 ${theme.spacing(0.025)};
-    `,
     typeIcon: css`
       margin-right: ${theme.spacing(1)};
       color: ${theme.colors.text.secondary};

public/app/plugins/panel/table/models.gen.ts

@@ -39,4 +39,5 @@ export const defaultPanelOptions: PanelOptions = {
 export const defaultPanelFieldConfig: TableFieldOptions = {
   displayMode: TableCellDisplayMode.Auto,
   align: 'auto',
+  inspect: false,
 };

public/app/plugins/panel/table/module.tsx

@@ -75,6 +75,21 @@ export const plugin = new PanelPlugin<PanelOptions, TableFieldOptions>(TablePane
           },
           defaultValue: defaultPanelFieldConfig.displayMode,
         })
+        .addBooleanSwitch({
+          path: 'inspect',
+          name: 'Cell value inspect',
+          description: 'Enable cell value inspection in a modal window',
+          defaultValue: false,
+          showIf: (cfg) => {
+            return (
+              cfg.displayMode === TableCellDisplayMode.Auto ||
+              cfg.displayMode === TableCellDisplayMode.JSONView ||
+              cfg.displayMode === TableCellDisplayMode.ColorText ||
+              cfg.displayMode === TableCellDisplayMode.ColorBackground ||
+              cfg.displayMode === TableCellDisplayMode.ColorBackgroundSolid
+            );
+          },
+        })
         .addBooleanSwitch({
           path: 'filterable',
           name: 'Column filter',