TableCell: show JSON rather than [object Object] (#23683)

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

+import React, { FC } from 'react';
+import { css, cx } from 'emotion';
+import { TableCellProps } from './types';
+import { Tooltip } from '../Tooltip/Tooltip';
+import { JSONFormatter } from '../JSONFormatter/JSONFormatter';
+
+export const JSONViewCell: FC<TableCellProps> = props => {
+  const { field, cell, tableStyles } = props;
+
+  if (!field.display) {
+    return null;
+  }
+
+  const txt = css`
+    cursor: pointer;
+    font-family: monospace;
+  `;
+
+  const displayValue = JSON.stringify(cell.value);
+  const content = <JSONTooltip value={cell.value} />;
+  return (
+    <div className={cx(txt, tableStyles.tableCell)}>
+      <Tooltip placement="auto" content={content} theme={'info'}>
+        <span>{displayValue}</span>
+      </Tooltip>
+    </div>
+  );
+};
+
+interface PopupProps {
+  value: any;
+}
+
+const JSONTooltip: FC<PopupProps> = props => {
+  const clazz = css`
+    padding: 10px;
+  `;
+  return (
+    <div className={clazz}>
+      <JSONFormatter json={props.value} open={4} />
+    </div>
+  );
+};

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

@@ -15,6 +15,7 @@ export enum TableCellDisplayMode {
   ColorBackground = 'color-background',
   GradientGauge = 'gradient-gauge',
   LcdGauge = 'lcd-gauge',
+  JSONView = 'json-view',
 }
 
 export type FieldTextAlignment = 'auto' | 'left' | 'right' | 'center';

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

@@ -7,6 +7,7 @@ import { TableCellDisplayMode, TableCellProps, TableFieldOptions } from './types
 import { css, cx } from 'emotion';
 import { withTableStyles } from './withTableStyles';
 import tinycolor from 'tinycolor2';
+import { JSONViewCell } from './JSONViewCell';
 
 export function getTextAlign(field?: Field): TextAlignProperty {
   if (!field) {
@@ -46,7 +47,7 @@ export function getColumns(data: DataFrame, availableWidth: number, columnMinWid
       fieldCountWithoutWidth -= 1;
     }
 
-    const Cell = getCellComponent(fieldTableOptions.displayMode);
+    const Cell = getCellComponent(fieldTableOptions.displayMode, field);
 
     columns.push({
       Cell,
@@ -71,7 +72,7 @@ export function getColumns(data: DataFrame, availableWidth: number, columnMinWid
   return columns;
 }
 
-function getCellComponent(displayMode: TableCellDisplayMode) {
+function getCellComponent(displayMode: TableCellDisplayMode, field: Field) {
   switch (displayMode) {
     case TableCellDisplayMode.ColorText:
       return withTableStyles(DefaultCell, getTextColorStyle);
@@ -80,9 +81,15 @@ function getCellComponent(displayMode: TableCellDisplayMode) {
     case TableCellDisplayMode.LcdGauge:
     case TableCellDisplayMode.GradientGauge:
       return BarGaugeCell;
-    default:
-      return DefaultCell;
+    case TableCellDisplayMode.JSONView:
+      return JSONViewCell;
+  }
+
+  // Default or Auto
+  if (field.type === FieldType.other) {
+    return JSONViewCell;
   }
+  return DefaultCell;
 }
 
 function getTextColorStyle(props: TableCellProps) {

pkg/tsdb/testdatasource/scenarios.go

@@ -267,6 +267,15 @@ func init() {
 	})
 
 	registerScenario(&Scenario{
+		Id:   "grafana_api",
+		Name: "Grafana API",
+		Handler: func(query *tsdb.Query, context *tsdb.TsdbQuery) *tsdb.QueryResult {
+			// Real work is in javascript client
+			return tsdb.NewQueryResult()
+		},
+	})
+
+	registerScenario(&Scenario{
 		Id:   "table_static",
 		Name: "Table Static",
 

public/app/plugins/datasource/testdata/datasource.ts

@@ -7,6 +7,8 @@ import {
   MetricFindValue,
   TableData,
   TimeSeries,
+  LoadingState,
+  ArrayDataFrame,
 } from '@grafana/data';
 import { Scenario, TestDataQuery } from './types';
 import { getBackendSrv } from '@grafana/runtime';
@@ -34,6 +36,8 @@ export class TestDataDataSource extends DataSourceApi<TestDataQuery> {
       }
       if (target.scenarioId === 'streaming_client') {
         streams.push(runStream(target, options));
+      } else if (target.scenarioId === 'grafana_api') {
+        streams.push(runGrafanaAPI(target, options));
       } else {
         queries.push({
           ...target,
@@ -145,3 +149,18 @@ export class TestDataDataSource extends DataSourceApi<TestDataQuery> {
     });
   }
 }
+
+function runGrafanaAPI(target: TestDataQuery, req: DataQueryRequest<TestDataQuery>): Observable<DataQueryResponse> {
+  const url = `/api/${target.stringInput}`;
+  return from(
+    getBackendSrv()
+      .get(url)
+      .then(res => {
+        const frame = new ArrayDataFrame(res);
+        return {
+          state: LoadingState.Done,
+          data: [frame],
+        };
+      })
+  );
+}

public/app/plugins/datasource/testdata/partials/query.editor.html

@@ -188,6 +188,21 @@
 		</div>
 	</div>
 
+	
+	<div class="gf-form-inline" ng-if="ctrl.scenario.id === 'grafana_api'">
+		<div class="gf-form gf-form">
+			<label class="gf-form-label query-keyword width-7">Endpoint</label>
+			<div class="gf-form-select-wrapper">
+				<select
+				  ng-model="ctrl.target.stringInput"
+				  class="gf-form-input"
+				  ng-options="type for type in ['datasources', 'search', 'annotations']"
+				  ng-change="ctrl.refresh()" />
+				</select>
+			</div>
+		</div>
+	</div>
+
 	<!-- Predictable Pulse Scenario Options Form -->
 	<div class="gf-form-inline" ng-if="ctrl.scenario.id === 'predictable_pulse'">
 		<div class="gf-form">

public/app/plugins/datasource/testdata/query_ctrl.ts

@@ -115,6 +115,12 @@ export class TestDataQueryCtrl extends QueryCtrl {
       delete this.target.csvWave;
     }
 
+    if (this.target.scenarioId === 'grafana_api') {
+      this.target.stringInput = 'datasources';
+    } else {
+      delete this.target.stringInput;
+    }
+
     this.refresh();
   }
 

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

@@ -2,6 +2,7 @@ import { PanelPlugin } from '@grafana/data';
 import { TablePanel } from './TablePanel';
 import { CustomFieldConfig, Options } from './types';
 import { tablePanelChangedHandler, tableMigrationHandler } from './migrations';
+import { TableCellDisplayMode } from '@grafana/ui/src/components/Table/types';
 
 export const plugin = new PanelPlugin<Options, CustomFieldConfig>(TablePanel)
   .setPanelChangeHandler(tablePanelChangedHandler)
@@ -39,11 +40,12 @@ export const plugin = new PanelPlugin<Options, CustomFieldConfig>(TablePanel)
           description: 'Color text, background, show as gauge, etc',
           settings: {
             options: [
-              { value: 'auto', label: 'Auto' },
-              { value: 'color-text', label: 'Color text' },
-              { value: 'color-background', label: 'Color background' },
-              { value: 'gradient-gauge', label: 'Gradient gauge' },
-              { value: 'lcd-gauge', label: 'LCD gauge' },
+              { value: TableCellDisplayMode.Auto, label: 'Auto' },
+              { value: TableCellDisplayMode.ColorText, label: 'Color text' },
+              { value: TableCellDisplayMode.ColorBackground, label: 'Color background' },
+              { value: TableCellDisplayMode.GradientGauge, label: 'Gradient gauge' },
+              { value: TableCellDisplayMode.LcdGauge, label: 'LCD gauge' },
+              { value: TableCellDisplayMode.JSONView, label: 'JSON View' },
             ],
           },
         });