Table: Highlight row on shared crosshair (#78392)

* bidirectional shared crosshair table WIP

* add shared crosshair to table panel

* lower around point threshold

* add feature toggle

* add index based verification

* add adaptive threshold

* switch to debounceTime

* lower debounce to 100

* raise debounce back to 200

* revert azure dashboard

* re-render only rows list on data hover event

* further break down table component

* refactor

* raise debounce time

* fix build

packages/grafana-data/src/dataframe/index.ts

@@ -7,5 +7,11 @@ export * from './dimensions';
 export * from './ArrayDataFrame';
 export * from './DataFrameJSON';
 export * from './frameComparisons';
-export { anySeriesWithTimeField, isTimeSeriesFrame, isTimeSeriesFrames, isTimeSeriesField } from './utils';
+export {
+  anySeriesWithTimeField,
+  hasTimeField,
+  isTimeSeriesFrame,
+  isTimeSeriesFrames,
+  isTimeSeriesField,
+} from './utils';
 export { StreamingDataFrame, StreamingFrameAction, type StreamingFrameOptions, closestIdx } from './StreamingDataFrame';

packages/grafana-data/src/dataframe/utils.ts

@@ -78,3 +78,11 @@ export function anySeriesWithTimeField(data: DataFrame[]) {
   }
   return false;
 }
+
+/**
+ * Indicates if there is any time field in the data frame
+ * @param data
+ */
+export function hasTimeField(data: DataFrame): boolean {
+  return data.fields.some((field) => field.type === FieldType.time);
+}

packages/grafana-data/src/types/featureToggles.gen.ts

@@ -166,6 +166,7 @@ export interface FeatureToggles {
   alertingSimplifiedRouting?: boolean;
   logRowsPopoverMenu?: boolean;
   pluginsSkipHostEnvVars?: boolean;
+  tableSharedCrosshair?: boolean;
   regressionTransformation?: boolean;
   displayAnonymousStats?: boolean;
   alertStateHistoryAnnotationsFromLoki?: boolean;