Candlestick: exclude unmapped fields by default (#42011)

Co-authored-by: Leon Sorokin <leeoniya@gmail.com>

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

@@ -320,11 +320,14 @@ export const preparePlotConfigBuilder: UPlotConfigPrepFn<{ sync: DashboardCursor
 
   // hook up custom/composite renderers
   renderers?.forEach((r) => {
+    if (!indexByName) {
+      indexByName = getNamesToFieldIndex(frame, allFrames);
+    }
     let fieldIndices: Record<string, number> = {};
 
     for (let key in r.fieldMap) {
       let dispName = r.fieldMap[key];
-      fieldIndices[key] = indexByName!.get(dispName)!;
+      fieldIndices[key] = indexByName.get(dispName)!;
     }
 
     r.init(builder, fieldIndices);

public/app/plugins/panel/candlestick/CandlestickPanel.tsx

@@ -21,7 +21,7 @@ import uPlot from 'uplot';
 
 interface CandlestickPanelProps extends PanelProps<CandlestickOptions> {}
 
-export const MarketTrendPanel: React.FC<CandlestickPanelProps> = ({
+export const CandlestickPanel: React.FC<CandlestickPanelProps> = ({
   data,
   timeRange,
   timeZone,

public/app/plugins/panel/candlestick/fields.ts

@@ -9,7 +9,7 @@ import {
 } from '@grafana/data';
 import { findField } from 'app/features/dimensions';
 import { prepareGraphableFields } from '../timeseries/utils';
-import { CandlestickOptions, CandlestickFieldMap } from './models.gen';
+import { CandlestickOptions, CandlestickFieldMap, VizDisplayMode } from './models.gen';
 
 export interface FieldPickerInfo {
   /** property name */
@@ -115,12 +115,18 @@ export function prepareCandlestickFields(
   if (norm.warn || norm.noTimeField || !norm.frames?.length) {
     return norm as CandlestickData;
   }
-  data.frame = norm.frames[0];
+  const frame = (data.frame = norm.frames[0]);
+  const timeIndex = frame.fields.findIndex((f) => f.type === FieldType.time);
+  if (timeIndex < 0) {
+    data.warn = 'Missing time field';
+    data.noTimeField = true;
+    return data;
+  }
 
   // Find the known fields
   const used = new Set<Field>();
   for (const info of Object.values(candlestickFieldsInfo)) {
-    const field = findFieldOrAuto(data.frame, info, fieldMap);
+    const field = findFieldOrAuto(frame, info, fieldMap);
     if (field) {
       data[info.key] = field;
       used.add(field);
@@ -129,7 +135,7 @@ export function prepareCandlestickFields(
 
   // Use first numeric value as open
   if (!data.open && !data.close) {
-    data.open = data.frame.fields.find((f) => f.type === FieldType.number);
+    data.open = frame.fields.find((f) => f.type === FieldType.number);
     if (data.open) {
       used.add(data.open);
     }
@@ -145,7 +151,8 @@ export function prepareCandlestickFields(
       name: 'Next open',
       state: undefined,
     };
-    data.frame.fields.push(data.close);
+    used.add(data.close);
+    frame.fields.push(data.close);
     data.autoOpenClose = true;
   }
 
@@ -153,14 +160,15 @@ export function prepareCandlestickFields(
   if (data.close && !data.open && !fieldMap.open) {
     const values = data.close.values.toArray().slice();
     values.unshift(values[0]); // duplicate first value
-    values.length = data.frame.length;
+    values.length = frame.length;
     data.open = {
       ...data.close,
       values: new ArrayVector(values),
       name: 'Previous close',
       state: undefined,
     };
-    data.frame.fields.push(data.open);
+    used.add(data.open);
+    frame.fields.push(data.open);
     data.autoOpenClose = true;
   }
 
@@ -172,6 +180,24 @@ export function prepareCandlestickFields(
     data.low = data.open;
   }
 
+  // unmap low and high fields in volume-only mode, and volume field in candles-only mode
+  // so they fall through to unmapped fields and get appropriate includeAllFields treatment
+  if (options.mode === VizDisplayMode.Volume) {
+    if (data.high) {
+      used.delete(data.high);
+      data.high = undefined;
+    }
+    if (data.low) {
+      used.delete(data.low);
+      data.low = undefined;
+    }
+  } else if (options.mode === VizDisplayMode.Candles) {
+    if (data.volume) {
+      used.delete(data.volume);
+      data.volume = undefined;
+    }
+  }
+
   // Register the name of each mapped field
   for (const info of Object.values(candlestickFieldsInfo)) {
     const f = data[info.key];
@@ -180,5 +206,34 @@ export function prepareCandlestickFields(
     }
   }
 
+  const timeField = frame.fields[timeIndex];
+
+  // Make sure first field is time!
+  const fields: Field[] = [timeField];
+
+  if (!options.includeAllFields) {
+    fields.push(...used);
+  } else if (timeIndex > 0) {
+    fields.push(...frame.fields.filter((f) => f !== timeField));
+  }
+
+  data.frame = {
+    ...data.frame,
+    fields,
+  };
+
+  // Force update all the indicies
+  for (let i = 0; i < data.frame.fields.length; i++) {
+    const field = data.frame.fields[i];
+
+    // time is unused (-1), y series enumerate from 0
+    field.state!.seriesIndex = i - 1;
+
+    field.state!.origin = {
+      fieldIndex: i,
+      frameIndex: 0,
+    };
+  }
+
   return data;
 }

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

@@ -53,6 +53,9 @@ export interface CandlestickOptions extends OptionsWithLegend {
   colorStrategy: ColorStrategy;
   fields: CandlestickFieldMap;
   colors: CandlestickColors;
+
+  // When enabled, all fields will be sent to the graph
+  includeAllFields?: boolean;
 }
 
 export const defaultPanelOptions: CandlestickOptions = {
@@ -66,4 +69,5 @@ export const defaultPanelOptions: CandlestickOptions = {
     placement: 'bottom',
     calcs: [],
   },
+  includeAllFields: false,
 };

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

@@ -8,7 +8,7 @@ import {
   SelectableValue,
 } from '@grafana/data';
 import { commonOptionsBuilder } from '@grafana/ui';
-import { MarketTrendPanel } from './CandlestickPanel';
+import { CandlestickPanel } from './CandlestickPanel';
 import {
   defaultColors,
   CandlestickOptions,
@@ -68,7 +68,7 @@ function addFieldPicker(
   });
 }
 
-export const plugin = new PanelPlugin<CandlestickOptions, GraphFieldConfig>(MarketTrendPanel)
+export const plugin = new PanelPlugin<CandlestickOptions, GraphFieldConfig>(CandlestickPanel)
   .useFieldConfig(getGraphFieldConfig(defaultGraphConfig))
   .setPanelOptions((builder, context) => {
     const opts = context.options ?? defaultPanelOptions;
@@ -125,6 +125,19 @@ export const plugin = new PanelPlugin<CandlestickOptions, GraphFieldConfig>(Mark
       addFieldPicker(builder, candlestickFieldsInfo.volume, info);
     }
 
+    builder.addRadio({
+      path: 'includeAllFields',
+      name: 'Additional fields',
+      description: 'Use standard timeseries options to configure any fields not mapped above',
+      defaultValue: defaultPanelOptions.includeAllFields,
+      settings: {
+        options: [
+          { label: 'Ignore', value: false },
+          { label: 'Include', value: true },
+        ],
+      },
+    });
+
     // commonOptionsBuilder.addTooltipOptions(builder);
     commonOptionsBuilder.addLegendOptions(builder);
   })