Merge pull request #3459 from ag-grid/AG-13457

AG-13457 Add size property to flow prop series click events

Author: alantreadway

Diff for: packages/ag-charts-enterprise/src/series/flow-proportion/flowProportionSeries.ts

@@ -51,6 +51,31 @@ type TDatum<
     TLinkDatum extends FlowProportionLinkDatum<TNodeDatum, TLinkDatum>,
 > = TLinkDatum | TNodeDatum;
 
+export class FlowProportionSeriesNodeEvent<
+    TEvent extends string = _ModuleSupport.SeriesNodeEventTypes,
+> extends _ModuleSupport.SeriesNodeEvent<_ModuleSupport.SeriesNodeDatum<FlowProportionNodeDatumIndex>, TEvent> {
+    readonly size?: number;
+    constructor(
+        type: TEvent,
+        nativeEvent: Event,
+        datum: _ModuleSupport.SeriesNodeDatum<FlowProportionNodeDatumIndex>,
+        series: _ModuleSupport.ISeries<_ModuleSupport.SeriesNodeDatum<FlowProportionNodeDatumIndex>, unknown> & {
+            contextNodeData?: _ModuleSupport.SeriesNodeDataContext<
+                FlowProportionNodeDatumIndex,
+                TDatum<FlowProportionNodeDatum<any, any>, FlowProportionLinkDatum<any, any>>,
+                unknown
+            >;
+        }
+    ) {
+        super(type, nativeEvent, datum, series);
+        const { datumIndex } = datum;
+        const nodeDatum = series.contextNodeData?.nodeData.find(
+            (d) => d.datumIndex.type === datumIndex.type && d.datumIndex.index === datumIndex.index
+        );
+        this.size = nodeDatum?.size;
+    }
+}
+
 export abstract class FlowProportionSeries<
         TNodeDatum extends FlowProportionNodeDatum<TNodeDatum, TLinkDatum>,
         TLinkDatum extends FlowProportionLinkDatum<TNodeDatum, TLinkDatum>,
@@ -68,6 +93,8 @@ export abstract class FlowProportionSeries<
     >
     implements _ModuleSupport.FlowProportionSeries
 {
+    protected override readonly NodeEvent = FlowProportionSeriesNodeEvent;
+
     abstract override properties: TProps;
 
     @Validate(ARRAY, { optional: true, property: 'nodes' })