Picker table support (#293)

plugins/ui/src/js/src/elements/Picker.tsx

@@ -1,15 +1,54 @@
-import React from 'react';
+import React, { useEffect } from 'react';
+import { Picker as DHPicker } from '@deephaven/components';
 import {
-  Picker as DHPicker,
-  PickerProps as DHPickerProps,
-} from '@deephaven/components';
+  Picker as DHPickerJSApi,
+  PickerProps as DHPickerJSApiProps,
+} from '@deephaven/jsapi-components';
+import type { Table } from '@deephaven/jsapi-types';
 import { SerializedPickerEventProps, usePickerProps } from './usePickerProps';
 
-function Picker(props: DHPickerProps & SerializedPickerEventProps) {
+function Picker({
+  children,
+  ...props
+}: DHPickerJSApiProps & SerializedPickerEventProps) {
   const pickerProps = usePickerProps(props);
+  const [table, setTable] = React.useState<Table | null>(null);
 
+  const maybeExportedObject = children?.props?.object;
+
+  useEffect(() => {
+    if (maybeExportedObject == null) {
+      return;
+    }
+
+    let isMounted = true;
+    async function load() {
+      console.log('[TESTING] exportedTable:', maybeExportedObject);
+      const reexportedTable = await maybeExportedObject.reexport();
+      const newTable = await reexportedTable.fetch<Table>();
+
+      if (!isMounted) {
+        return;
+      }
+
+      setTable(newTable);
+    }
+
+    load();
+
+    return () => {
+      isMounted = false;
+    };
+  }, [maybeExportedObject]);
+
+  if (maybeExportedObject == null) {
+    // eslint-disable-next-line react/jsx-props-no-spreading
+    return <DHPicker {...pickerProps}>{children}</DHPicker>;
+  }
+
+  const { children: _throwAway, ...restProps } = pickerProps;
   // eslint-disable-next-line react/jsx-props-no-spreading
-  return <DHPicker {...pickerProps} />;
+  return table && <DHPickerJSApi {...restProps} table={table} />;
 }
 
 export default Picker;

plugins/ui/src/js/src/elements/usePickerProps.ts

@@ -1,3 +1,4 @@
+import ObjectView from './ObjectView';
 import {
   SerializedFocusEventCallback,
   useFocusEventCallback,
@@ -8,6 +9,8 @@ import {
 } from './spectrum/useKeyboardEventCallback';
 
 export interface SerializedPickerEventProps {
+  children: typeof ObjectView;
+
   /** Handler that is called when the element receives focus. */
   onFocus?: SerializedFocusEventCallback;