From 7597e2b47d5d27d9036cc537bdf15a90425d8f49 Mon Sep 17 00:00:00 2001
From: MKirova <MKirova@DEV-MKIROVA>
Date: Wed, 25 Sep 2019 17:51:21 +0300
Subject: [PATCH] fix(igxHiearchicalGrid): Prevent up/down arrow key navigation
 from footer summary row in hierarchical grid.

---
 .../hierarchical-grid/hierarchical-grid-navigation.service.ts   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/projects/igniteui-angular/src/lib/grids/hierarchical-grid/hierarchical-grid-navigation.service.ts b/projects/igniteui-angular/src/lib/grids/hierarchical-grid/hierarchical-grid-navigation.service.ts
index b6bab98c0e6..f16359e4f7c 100644
--- a/projects/igniteui-angular/src/lib/grids/hierarchical-grid/hierarchical-grid-navigation.service.ts
+++ b/projects/igniteui-angular/src/lib/grids/hierarchical-grid/hierarchical-grid-navigation.service.ts
@@ -68,6 +68,7 @@ export class IgxHierarchicalGridNavigationService extends IgxGridNavigationServi
     }
 
     public navigateUp(rowElement, selectedNode: ISelectionNode) {
+        if (selectedNode.isSummaryRow) { return; }
         const prevElem = rowElement.previousElementSibling;
         const visibleColumnIndex = selectedNode.column;
         const currentRowIndex = selectedNode.row;
@@ -103,6 +104,7 @@ export class IgxHierarchicalGridNavigationService extends IgxGridNavigationServi
         }
     }
     public navigateDown(rowElement, selectedNode: ISelectionNode) {
+        if (selectedNode.isSummaryRow) { return; }
         const nextElem = rowElement.nextElementSibling;
         const visibleColumnIndex = selectedNode.column;
         const currentRowIndex = selectedNode.row;