fix(igxGrid): Emit new data for the rowAdd event args. (#13991)

Author: MayaKirova

projects/igniteui-angular/src/lib/grids/common/crud.service.ts

@@ -409,6 +409,7 @@ export class IgxRowCrudState extends IgxCellCrudState {
             nonCancelableArgs = this.rowEditDone(rowEditArgs.oldValue, event);
         } else {
             const rowAddArgs = this.row.createEditEventArgs(true, event);
+            rowAddArgs.rowData = this.row.newData ?? this.row.data;
             this.grid.rowAdd.emit(rowAddArgs);
             if (rowAddArgs.cancel) {
                 return rowAddArgs;

projects/igniteui-angular/src/lib/grids/grid/grid-row-editing.spec.ts

@@ -292,6 +292,45 @@ describe('IgxGrid - Row Editing #grid', () => {
             expect(grid.rowEditDone.emit).toHaveBeenCalledWith(rowDoneArgs);
         });
 
+        it('Emit rowAdd event with proper arguments', () => {
+            spyOn(grid.rowAdd, 'emit').and.callThrough();
+            // start add row
+            grid.beginAddRowById(null);
+            fix.detectChanges();
+
+            const generatedId = grid.getRowByIndex(0).cells[0].value;
+
+            // enter edit mode of cell
+            const prodCell = GridFunctions.getRowCells(fix, 0)[2];
+            UIInteractions.simulateDoubleClickAndSelectEvent(prodCell);
+            fix.detectChanges();
+
+            // input value
+            const cellInput = (prodCell as any).nativeElement.querySelector('[igxinput]');
+            UIInteractions.setInputElementValue(cellInput, "NewValue");
+            fix.detectChanges();
+
+            // Done button click
+            const doneButtonElement = GridFunctions.getRowEditingDoneButton(fix);
+            doneButtonElement.click();
+            fix.detectChanges();
+
+            // check event args
+            const rowAddArgs: IGridEditEventArgs = {
+                cancel: false,
+                oldValue: null,
+                rowData: { ProductID: generatedId, ProductName: "NewValue"},
+                newValue: { ProductID: generatedId, ProductName: "NewValue"},
+                rowID: generatedId,
+                primaryKey: generatedId,
+                valid: true,
+                event: jasmine.anything() as any,
+                owner: grid,
+                isAddRow: true
+            }
+            expect(grid.rowAdd.emit).toHaveBeenCalledWith(rowAddArgs);
+        });
+
         it('Should display the banner below the edited row if it is not the last one', () => {
             cell.editMode = true;