add nodeData attribute to Tree rows

vuu-ui/packages/vuu-data-local/src/tree-data-source/TreeDataSource.ts

@@ -86,7 +86,7 @@ export class TreeDataSource extends BaseDataSource {
       this._config = {
         ...this._config,
         columns,
-        groupBy: columns,
+        groupBy: columns.slice(1),
       };
     }
   }

vuu-ui/packages/vuu-datatable/src/tree-table/TreeTable.tsx

@@ -3,7 +3,14 @@ import { Table } from "@finos/vuu-table";
 import { TreeDataSource } from "@finos/vuu-data-local";
 import { useEffect, useMemo, useRef } from "react";
 import { TableConfig } from "@finos/vuu-table-types";
-import { TreeSourceNode } from "@finos/vuu-utils";
+import {
+  isRowSelected,
+  metadataKeys,
+  type RowToObjectMapper,
+  type TreeSourceNode,
+} from "@finos/vuu-utils";
+
+const { DEPTH, IS_LEAF, KEY, IDX } = metadataKeys;
 
 export interface TreeTableProps
   extends Omit<TableProps, "config" | "dataSource"> {
@@ -14,6 +21,23 @@ export interface TreeTableProps
   source: TreeSourceNode[];
 }
 
+const rowToTreeNodeObject: RowToObjectMapper = (row, columnMap) => {
+  const { [IS_LEAF]: isLeaf, [KEY]: key, [IDX]: index, [DEPTH]: depth } = row;
+  const firstColIdx = columnMap.nodeData;
+  const labelColIdx = firstColIdx + depth;
+
+  return {
+    key,
+    index,
+    isGroupRow: !isLeaf,
+    isSelected: isRowSelected(row),
+    data: {
+      label: row[labelColIdx],
+      nodeData: row[firstColIdx],
+    },
+  };
+};
+
 export const TreeTable = ({
   config,
   source: sourceProp,
@@ -54,6 +78,7 @@ export const TreeTable = ({
       dataSource={dataSourceRef.current}
       groupToggleTarget="toggle-icon"
       navigationStyle="tree"
+      rowToObject={rowToTreeNodeObject}
       showColumnHeaderMenus={false}
       selectionModel="single"
       selectionBookendWidth={0}

vuu-ui/packages/vuu-table/src/Table.tsx

@@ -25,7 +25,7 @@ import {
   dragStrategy,
   reduceSizeHeight,
 } from "@finos/vuu-ui-controls";
-import { metadataKeys, useId } from "@finos/vuu-utils";
+import { metadataKeys, RowToObjectMapper, useId } from "@finos/vuu-utils";
 import { useForkRef } from "@salt-ds/core";
 import { useComponentCssInjection } from "@salt-ds/styles";
 import { useWindow } from "@salt-ds/window";
@@ -174,6 +174,17 @@ export interface TableProps
   onSelectionChange?: SelectionChangeHandler;
   renderBufferSize?: number;
 
+  /**
+   * When a row is selected and onSelect provided, onSelect will be invoked with a
+   * DataSourceRowObject, derived from the internal representation of a data row,
+   * DataSourceRow. The data attribute of DataSourceRowObject is a simple map of
+   * column.name : value.
+   * This prop allows a custom function to be provided to make the conversion from
+   * DataSourceRow to DataSourceRowObject. It will very rarely be needed. It is
+   * used by the Treetable.
+   */
+  rowToObject?: RowToObjectMapper;
+
   /**
    * Only applicable to grouped data. If there are selected rows which are not top-level
    * items and group items above are not already expanded, expand all group items in
@@ -267,6 +278,7 @@ const TableCore = ({
   renderBufferSize = 0,
   revealSelected,
   rowHeight,
+  rowToObject,
   scrollingApiRef,
   selectionBookendWidth = 0,
   selectionModel = "extended",
@@ -339,6 +351,7 @@ const TableCore = ({
     renderBufferSize,
     revealSelected,
     rowHeight,
+    rowToObject,
     scrollingApiRef,
     selectionBookendWidth,
     selectionModel,
@@ -511,6 +524,7 @@ export const Table = forwardRef(function Table(
     renderBufferSize,
     revealSelected,
     rowHeight: rowHeightProp,
+    rowToObject,
     scrollingApiRef,
     selectionBookendWidth = 4,
     selectionModel,
@@ -656,6 +670,7 @@ export const Table = forwardRef(function Table(
           }
           revealSelected={revealSelected}
           rowHeight={rowHeight}
+          rowToObject={rowToObject}
           scrollingApiRef={scrollingApiRef}
           selectionBookendWidth={selectionBookendWidth}
           selectionModel={selectionModel}

vuu-ui/packages/vuu-table/src/useTable.ts

@@ -120,6 +120,7 @@ export interface TableHookProps
       | "onRowClick"
       | "renderBufferSize"
       | "revealSelected"
+      | "rowToObject"
       | "scrollingApiRef"
       | "selectionBookendWidth"
       | "showColumnHeaders"
@@ -173,6 +174,7 @@ export const useTable = ({
   renderBufferSize = 0,
   revealSelected,
   rowHeight = 20,
+  rowToObject = asDataSourceRowObject,
   scrollingApiRef,
   selectionBookendWidth,
   selectionModel,
@@ -666,10 +668,10 @@ export const useTable = ({
   const handleSelect = useCallback<TableRowSelectHandlerInternal>(
     (row) => {
       if (onSelect) {
-        onSelect(row === null ? null : asDataSourceRowObject(row, columnMap));
+        onSelect(row === null ? null : rowToObject(row, columnMap));
       }
     },
-    [columnMap, onSelect],
+    [columnMap, onSelect, rowToObject],
   );
 
   const {
@@ -707,9 +709,9 @@ export const useTable = ({
   const handleRowClick = useCallback<TableRowClickHandlerInternal>(
     (evt, row, rangeSelect, keepExistingSelection) => {
       selectionHookOnRowClick(evt, row, rangeSelect, keepExistingSelection);
-      onRowClickProp?.(evt, asDataSourceRowObject(row, columnMap));
+      onRowClickProp?.(evt, rowToObject(row, columnMap));
     },
-    [columnMap, onRowClickProp, selectionHookOnRowClick],
+    [columnMap, onRowClickProp, rowToObject, selectionHookOnRowClick],
   );
 
   const handleKeyDown = useCallback(

vuu-ui/packages/vuu-utils/src/row-utils.ts

@@ -53,9 +53,14 @@ export const virtualRowPositioning = (
   true,
 ];
 
-export const asDataSourceRowObject = (
+export type RowToObjectMapper = (
   row: DataSourceRow,
   columnMap: ColumnMap,
+) => DataSourceRowObject;
+
+export const asDataSourceRowObject: RowToObjectMapper = (
+  row,
+  columnMap,
 ): DataSourceRowObject => {
   const { [IS_LEAF]: isLeaf, [KEY]: key, [IDX]: index } = row;
 

vuu-ui/packages/vuu-utils/src/tree-types.ts

@@ -1,18 +1,8 @@
-export interface TreeSourceNode {
+export interface TreeSourceNode<T = unknown> {
+  nodeData?: T;
   id: string;
   icon?: string;
   header?: boolean;
   label: string;
-  childNodes?: TreeSourceNode[];
-}
-export interface NormalisedTreeSourceNode extends TreeSourceNode {
-  childNodes?: NormalisedTreeSourceNode[];
-  count: number;
-  expanded?: boolean;
-  index: number;
-  level: number;
-}
-
-export interface NonLeafNode extends NormalisedTreeSourceNode {
-  childNodes: NormalisedTreeSourceNode[];
+  childNodes?: TreeSourceNode<T>[];
 }

vuu-ui/packages/vuu-utils/src/tree-utils.ts

@@ -15,6 +15,10 @@ export const treeToDataSourceRows = (
   const columns: ColumnDescriptor[] = [];
 
   columns.push(
+    {
+      name: "nodeData",
+      type: "json",
+    },
     {
       getIcon: iconProvider?.getIcon,
       name: "Level 1",
@@ -52,11 +56,11 @@ const addChildValues = (
     });
   }
   for (let i = 0; i < treeSourceNodes.length; i++, index.value += 1) {
-    const { childNodes, icon, label } = treeSourceNodes[i];
+    const { childNodes, icon, label, nodeData } = treeSourceNodes[i];
     const blanks = Array(depth - 1).fill("");
     const fullKey = `${keyBase}|${label}`;
     // prettier-ignore
-    const row = [index.value, index.value, false,false,depth,0,fullKey,0, ...blanks, label ] as DataSourceRow;
+    const row = [index.value, index.value, false,false,depth,0,fullKey,0, nodeData, ...blanks, label ] as DataSourceRow;
     if (icon) {
       iconProvider?.setIcon(fullKey, icon);
     }

vuu-ui/showcase/src/examples/DataTable/TreeTable.examples.tsx

@@ -1,6 +1,9 @@
 import { TreeTable } from "@finos/vuu-datatable";
 
 import showcaseData from "./Tree.data";
+import { useMemo } from "react";
+import { TreeSourceNode } from "@finos/vuu-utils";
+import { TableRowSelectHandler } from "@finos/vuu-table-types";
 
 let displaySequence = 1;
 
@@ -45,3 +48,34 @@ export const ShowcaseTreeSelectedAutoReveal = () => {
   );
 };
 ShowcaseTreeSelectedAutoReveal.displaySequence = displaySequence++;
+
+const addDataNodes = (
+  treeNodes: TreeSourceNode[],
+  index = { value: 0 },
+): Array<TreeSourceNode<string>> => {
+  return treeNodes?.map<TreeSourceNode<string>>(({ childNodes, ...rest }) => ({
+    ...rest,
+    nodeData: `node-${index.value++}`,
+    childNodes: childNodes ? addDataNodes(childNodes, index) : undefined,
+  }));
+};
+
+export const ShowcaseTreeNodeOptions = () => {
+  const source = useMemo(() => {
+    return addDataNodes(showcaseData);
+  }, []);
+
+  const onSelect: TableRowSelectHandler = (row) => {
+    console.log({ row });
+  };
+
+  return (
+    <TreeTable
+      onSelect={onSelect}
+      rowHeight={30}
+      showColumnHeaders={false}
+      source={source}
+    />
+  );
+};
+ShowcaseTreeNodeOptions.displaySequence = displaySequence++;

vuu-ui/tools/vuu-showcase/src/App.tsx

@@ -16,7 +16,7 @@ import { IFrame } from "./components";
 import {
   ExamplesModule,
   byDisplaySequence,
-  keyFromPath,
+  keysFromPath,
   loadTheme,
   pathFromKey,
 } from "./showcase-utils";
@@ -148,7 +148,7 @@ export const App = ({ stories }: AppProps) => {
               className="ShowcaseNav"
               data-resizeable
               rowHeight={30}
-              defaultSelectedKeyValues={[keyFromPath(pathname)]}
+              defaultSelectedKeyValues={keysFromPath(pathname)}
               // selected={[pathname.slice(1)]}
               showColumnHeaders={false}
               onSelect={handleChange}

vuu-ui/tools/vuu-showcase/src/showcase-utils.ts

@@ -36,8 +36,13 @@ export const byDisplaySequence = ([, f1]: VuuTuple, [, f2]: VuuTuple) => {
 };
 
 export const pathFromKey = (key: string) => key.slice(5).split("|").join("/");
-export const keyFromPath = (path: string) =>
-  `$root${path.split("/").join("|")}`;
+export const keysFromPath = (path: string) => {
+  if (path === "/") {
+    return undefined;
+  } else {
+    return [`$root${path.split("/").join("|")}`];
+  }
+};
 
 export const pathToExample = (path: string): [string[], string] => {
   const endOfImportPath = path.lastIndexOf("/");