[royale-asjs] branch develop updated: Fixed a bug with an empty VirtualDataGrid dataProvider and then a dynamic item is added

[hu...@apache.org]

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hugoferreira pushed a commit to branch develop
in repository https://gitbox.apache.org/repos/asf/royale-asjs.git


The following commit(s) were added to refs/heads/develop by this push:
     new 71ab459d50 Fixed a bug with an empty VirtualDataGrid dataProvider and then a dynamic item is added
71ab459d50 is described below

commit 71ab459d504104d48ec4d3c0657a368514beaabf
Author: Hugo Ferreira <hf...@solidsoft.pt>
AuthorDate: Fri Jul 1 19:44:48 2022 +0100

    Fixed a bug with an empty VirtualDataGrid dataProvider and then a dynamic item is added
---
 .../royale/org/apache/royale/jewel/beads/views/VirtualListView.as   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/frameworks/projects/Jewel/src/main/royale/org/apache/royale/jewel/beads/views/VirtualListView.as b/frameworks/projects/Jewel/src/main/royale/org/apache/royale/jewel/beads/views/VirtualListView.as
index c262adfa2b..e4e440fdf8 100644
--- a/frameworks/projects/Jewel/src/main/royale/org/apache/royale/jewel/beads/views/VirtualListView.as
+++ b/frameworks/projects/Jewel/src/main/royale/org/apache/royale/jewel/beads/views/VirtualListView.as
@@ -142,7 +142,11 @@ package org.apache.royale.jewel.beads.views
 			if (contentView.numElements == 0)
 				return null;
 			
-			var firstIndex:int = (contentView.getElementAt(firstElementIndex) as IIndexedItemRenderer).index;
+            var itemRenderer:IIndexedItemRenderer = contentView.getElementAt(firstElementIndex) as IIndexedItemRenderer;
+            if (itemRenderer == null)
+                return null;
+
+			var firstIndex:int = itemRenderer.index;
 			
 			if (index < firstIndex) 
 				return null;