PieChart: Support row data in pie chart (#34755)

* PieChart: Support row data in pie chart

* Make color override work

* removed thing

* Minor refactoring

packages/grafana-data/src/field/fieldColor.ts

@@ -187,9 +187,8 @@ export class FieldColorSchemeMode implements FieldColorMode {
         };
       }
     } else {
-      const seriesIndex = field.state?.seriesIndex ?? 0;
-
       return (_: number, _percent: number, _threshold?: Threshold) => {
+        const seriesIndex = field.state?.seriesIndex ?? 0;
         return colors[seriesIndex % colors.length];
       };
     }

packages/grafana-data/src/field/fieldDisplay.test.ts

@@ -285,6 +285,83 @@ describe('FieldDisplay', () => {
       expect(result[3].display.title).toEqual('B SensorB');
     });
 
+    it('When showing all values set seriesIndex in a way so that values get unique color', () => {
+      const options = createDisplayOptions({
+        reduceOptions: {
+          values: true,
+          calcs: [],
+        },
+        data: [
+          toDataFrame({
+            fields: [
+              {
+                name: 'Name',
+                values: ['A', 'B'],
+              },
+              {
+                name: 'SensorA',
+                values: [10, 20],
+                config: {
+                  color: { mode: 'palette-classic' },
+                },
+              },
+            ],
+          }),
+        ],
+      });
+
+      const result = getFieldDisplayValues(options);
+      expect(result[0].display.color).toEqual('#73BF69');
+      expect(result[1].display.color).toEqual('#F2CC0C');
+    });
+
+    it('When showing all values lookup color via an override', () => {
+      const options = createDisplayOptions({
+        reduceOptions: {
+          values: true,
+          calcs: [],
+        },
+        fieldConfig: {
+          overrides: [
+            {
+              matcher: { id: 'byName', options: 'A' },
+              properties: [
+                {
+                  id: 'color',
+                  value: {
+                    mode: 'fixed',
+                    fixedColor: '#AAA',
+                  },
+                },
+              ],
+            },
+          ],
+          defaults: {},
+        },
+        data: [
+          toDataFrame({
+            fields: [
+              {
+                name: 'Name',
+                values: ['A', 'B'],
+              },
+              {
+                name: 'SensorA',
+                values: [10, 20],
+                config: {
+                  color: { mode: 'palette-classic' },
+                },
+              },
+            ],
+          }),
+        ],
+      });
+
+      const result = getFieldDisplayValues(options);
+      expect(result[0].display.color).toEqual('#AAA');
+      expect(result[1].display.color).toEqual('#F2CC0C');
+    });
+
     it('Multiple other string fields', () => {
       const options = createDisplayOptions({
         reduceOptions: {

packages/grafana-data/src/field/fieldDisplay.ts

@@ -78,7 +78,7 @@ export interface GetFieldDisplayValuesOptions {
 export const DEFAULT_FIELD_DISPLAY_VALUES_LIMIT = 25;
 
 export const getFieldDisplayValues = (options: GetFieldDisplayValuesOptions): FieldDisplay[] => {
-  const { replaceVariables, reduceOptions, timeZone } = options;
+  const { replaceVariables, reduceOptions, timeZone, theme } = options;
   const calcs = reduceOptions.calcs.length ? reduceOptions.calcs : [ReducerID.last];
 
   const values: FieldDisplay[] = [];
@@ -152,6 +152,8 @@ export const getFieldDisplayValues = (options: GetFieldDisplayValuesOptions): Fi
             }
           }
 
+          field.state = setIndexForPaletteColor(field, values.length);
+
           const displayValue = display(field.values.get(j));
 
           if (displayName !== '') {
@@ -163,6 +165,11 @@ export const getFieldDisplayValues = (options: GetFieldDisplayValuesOptions): Fi
             displayValue.title = getSmartDisplayNameForRow(dataFrame, field, j);
           }
 
+          const overrideColor = lookupRowColorFromOverride(displayValue, options.fieldConfig);
+          if (overrideColor) {
+            displayValue.color = theme.visualization.getColorByName(overrideColor);
+          }
+
           values.push({
             name: '',
             field: config,
@@ -269,6 +276,32 @@ function getSmartDisplayNameForRow(frame: DataFrame, field: Field, rowIndex: num
   return parts.join(' ');
 }
 
+/**
+ * Palette color modes use series index (field index) which does not work for when displaing rows
+ * So updating seriesIndex here makes the palette color modes work in "All values" mode
+ */
+function setIndexForPaletteColor(field: Field, currentLength: number) {
+  return {
+    ...field.state,
+    seriesIndex: currentLength,
+  };
+}
+
+/**
+ * This function makes overrides that set color work for row values
+ */
+function lookupRowColorFromOverride(display: DisplayValue, fieldConfig: FieldConfigSource) {
+  for (const override of fieldConfig.overrides) {
+    if (override.matcher.id === 'byName' && override.matcher.options === display.title) {
+      for (const prop of override.properties) {
+        if (prop.id === 'color' && prop.value) {
+          return prop.value.fixedColor;
+        }
+      }
+    }
+  }
+}
+
 export function hasLinks(field: Field): boolean {
   return field.config?.links?.length ? field.config.links.length > 0 : false;
 }

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

@@ -1,8 +1,9 @@
-import { FieldColorModeId, FieldConfigProperty, PanelPlugin, ReducerID, standardEditorsRegistry } from '@grafana/data';
+import { FieldColorModeId, FieldConfigProperty, PanelPlugin } from '@grafana/data';
 import { PieChartPanel } from './PieChartPanel';
 import { PieChartOptions, PieChartType, PieChartLabels, PieChartLegendValues } from './types';
 import { LegendDisplayMode, commonOptionsBuilder } from '@grafana/ui';
 import { PieChartPanelChangedHandler } from './migrations';
+import { addStandardDataReduceOptions } from '../stat/types';
 
 export const plugin = new PanelPlugin<PieChartOptions>(PieChartPanel)
   .setPanelChangeHandler(PieChartPanelChangedHandler)
@@ -25,15 +26,8 @@ export const plugin = new PanelPlugin<PieChartOptions>(PieChartPanel)
     },
   })
   .setPanelOptions((builder) => {
+    addStandardDataReduceOptions(builder);
     builder
-      .addCustomEditor({
-        id: 'reduceOptions.calcs',
-        path: 'reduceOptions.calcs',
-        name: 'Calculation',
-        description: 'Choose a reducer function / calculation',
-        editor: standardEditorsRegistry.get('stats-picker').editor as any,
-        defaultValue: [ReducerID.lastNotNull],
-      })
       .addRadio({
         name: 'Piechart type',
         description: 'How the piechart should be rendered',