PhosphorPanelWidget shim

Signed-off-by: Itay Dafna <i.b.dafna@gmail.com>

js/datagrid.ts

@@ -9,19 +9,21 @@ import { CellRenderer } from '@lumino/datagrid';
 
 import { JSONExt } from '@lumino/coreutils';
 
-import { MessageLoop, Message } from '@lumino/messaging';
+import { Message, MessageLoop } from '@lumino/messaging';
 
 import { Widget } from '@lumino/widgets';
 
 import {
  DOMWidgetModel,
  DOMWidgetView,
- JupyterLuminoPanelWidget,
+ ICallbacks,
  ISerializers,
+ JupyterLuminoPanelWidget,
+ //@ts-ignore needed for ipywidgetx 7.x compatibility
+ JupyterPhosphorPanelWidget,
  resolvePromisesDict,
  unpack_models,
- WidgetModel,
- ICallbacks,
+ WidgetModel
 } from '@jupyter-widgets/base';
 
 import { ViewBasedJSONModel } from './core/viewbasedjsonmodel';
@@ -340,7 +342,8 @@ function unpack_data(
 
 export class DataGridView extends DOMWidgetView {
  _createElement(tagName: string) {
- this.luminoWidget = new JupyterLuminoPanelWidget({ view: this });
+ const panelWidget = Private.getWidgetPanel();
+ this.luminoWidget = new panelWidget({ view: this });
  this._initializeTheme();
  return this.luminoWidget.node;
  }
@@ -723,16 +726,15 @@ export class DataGridView extends DOMWidgetView {
 }
 
 export {
- TextRendererModel,
- TextRendererView,
  BarRendererModel,
  BarRendererView,
  HyperlinkRendererModel,
- HyperlinkRendererView,
+ HyperlinkRendererView, TextRendererModel,
+ TextRendererView
 } from './cellrenderer';
-
 export { VegaExprModel, VegaExprView } from './vegaexpr';
 
+
 export namespace DataGridModel {
  /**
  * An options object for initializing the data model.
@@ -758,6 +760,16 @@ export namespace DataGridModel {
  * The namespace for the module implementation details.
  */
 namespace Private {
+ export function getLuminoWidget(ipywidget: DOMWidgetView): any {
+ return ipywidget.pWidget ?? ipywidget.luminoWidget;
+ }
+
+ export function getWidgetPanel(): any {
+ //@ts-ignore needed for ipywidget 7.x compatibility
+ return JupyterLuminoPanelWidget ?? JupyterPhosphorPanelWidget;
+ }
+
+
  /**
  * Creates a valid JSON Table Schema from the schema provided by pandas.
  *