private void PerformSearch(DatabaseItemViewModel model)
{
if (_searchEnumerator != null && _searchEnumerator.MoveNext())
{
return;
}
if (_searchEnumerator == null || !_searchEnumerator.MoveNext())
{
VerifySearchEnumerator(model);
}
var currentObject = _searchEnumerator?.Current;
if (currentObject == null)
{
return;
}
// Ensure that this person is in view.
if (currentObject.Parent != null)
{
currentObject.Parent.IsExpanded = true;
}
currentObject.IsHighlighted = true;
}
private void VerifySearchEnumerator(DatabaseItemViewModel model)
{
TreeViewItemViewModel firstAvailable = model;
if (firstAvailable != null)
{
var matches = FindMatches(SearchText, firstAvailable);
_searchEnumerator = matches.GetEnumerator();
}
if (!_searchEnumerator.MoveNext())
{
MessageBox.Show(
"No matching names were found.",
"Try Again",
MessageBoxButton.OK,
MessageBoxImage.Information
);
}
}