From 1fa48e5d62dc400fe5a1103fd39413bb29680c36 Mon Sep 17 00:00:00 2001
From: Dumitru Bereghici <dumitru.bereghici@infiniswiss.com>
Date: Thu, 11 Jun 2020 11:54:10 +0300
Subject: [PATCH] handle backspace and tab key events

---
 .../Components/MatAutocomplete/BaseMatAutocomplete.cs    | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/MatBlazor/Components/MatAutocomplete/BaseMatAutocomplete.cs b/src/MatBlazor/Components/MatAutocomplete/BaseMatAutocomplete.cs
index 88b43fdd..83c44dfb 100644
--- a/src/MatBlazor/Components/MatAutocomplete/BaseMatAutocomplete.cs
+++ b/src/MatBlazor/Components/MatAutocomplete/BaseMatAutocomplete.cs
@@ -231,6 +231,15 @@ protected async void OnKeyDownHandler(object sender, KeyboardEventArgs ev)
                 currentIndex--;
                 wasCurrentIndexChanged = true;
             }
+            if (ev.Key == "Backspace")
+            {
+                currentIndex = 0;
+                wasCurrentIndexChanged = true;
+            }
+            if (ev.Key == "Tab")
+            {
+                return;
+            }
             if (wasCurrentIndexChanged)
             {
                 await ListRef.SetSelectedIndex(currentIndex);