private static void RemoveEmptyGroups(MergeableNodeCollection <ICommandItem> nodes)
{
if (nodes == null || nodes.Count == 0)
{
return;
}
foreach (var node in nodes.ToArray())
{
// Recursively remove empty groups in children.
RemoveEmptyGroups(node.Children);
if (node.Content is CommandGroup)
{
// Count all children, except separators.
int numberOfItems = node.Children?.Count(n => !(n.Content is CommandSeparator)) ?? 0;
if (numberOfItems == 0)
{
// node is a group node and contains no children or only separators.
// --> Remove this node.
nodes.Remove(node);
}
}
}
}
private static void RemoveEmptyGroups(MergeableNodeCollection<ICommandItem> nodes)
{
if (nodes == null || nodes.Count == 0)
return;
foreach (var node in nodes.ToArray())
{
// Recursively remove empty groups in children.
RemoveEmptyGroups(node.Children);
if (node.Content is CommandGroup)
{
// Count all children, except separators.
int numberOfItems = node.Children?.Count(n => !(n.Content is CommandSeparator)) ?? 0;
if (numberOfItems == 0)
{
// node is a group node and contains no children or only separators.
// --> Remove this node.
nodes.Remove(node);
}
}
}
}
