protected override void PrepareContainerForItemOverride(DependencyObject element, object item)
{
SearchAutocmpleteItem saItem = element as SearchAutocmpleteItem;
saItem.DataContext = item;
saItem.BindingPath = SearchPropertyBindingPath;
focusableItems.Add(saItem);
saItem.HighlightString = SearchString;
base.PrepareContainerForItemOverride(element, item);
}
protected override void ClearContainerForItemOverride(DependencyObject element, object item)
{
SearchAutocmpleteItem itemContainer = element as SearchAutocmpleteItem;
if (itemContainer != null)
{
itemContainer.IsSelected = false;
if (focusableItems.Contains(itemContainer))
{
focusableItems.Remove(itemContainer);
}
}
base.ClearContainerForItemOverride(element, item);
}
private void SelectItem(SearchAutocmpleteItem item)
{
if (item == null)
{
refreshHighlightString = false;
SelectedItem = null;
_editableTextBox.Text = SearchString;
_editableTextBox.CaretIndex = _editableTextBox.Text.Length;
refreshHighlightString = true;
}
else
{
SelectedItem = item;
refreshHighlightString = false;
_editableTextBox.Text = SelectedItem.DisplayString;
refreshHighlightString = true;
_editableTextBox.CaretIndex = _editableTextBox.Text.Length;
}
}