void OnNewTabContentShownDelay(IDocumentTab documentTab)
{
var newNodes = documentTab.Content.Nodes.ToArray();
if (Equals(DocumentTreeView.TreeView.SelectedItems, newNodes))
{
return;
}
// The treeview steals the focus so remember the current focused element. Don't restore
// the focus if it's a node in the treeview.
var focusedElem = Keyboard.FocusedElement;
if (DocumentTreeView.TreeView.UIObject.IsKeyboardFocusWithin)
{
focusedElem = null;
}
bool tabGroupHasFocus = TabGroupService.TabGroups.Any(a => a.IsKeyboardFocusWithin);
disableSelectionChangedEventCounter++;
try {
DocumentTreeView.TreeView.SelectItems(newNodes);
}
finally {
disableSelectionChangedEventCounter--;
}
if (focusedElem != null && Keyboard.FocusedElement != focusedElem)
{
if (tabGroupHasFocus)
{
var tab = ActiveTabContentImpl;
Debug.Assert(tab != null);
if (tab != null)
{
tab.TrySetFocus();
}
}
else
{
wpfFocusService.Focus(focusedElem);
}
}
}
