private void textBox_Search_TextChanged(object sender, TextChangedEventArgs e)
{
string partialWord = textBox_Search.Text;
if (string.IsNullOrWhiteSpace(partialWord))
{
TreeViewReturnToDefault();
return;
}
TreeView searchTreeView = new TreeView();
IList <string> searchResults = m_EntityTrie.PartialWordSearch(partialWord);
if (searchResults != null && searchResults.Count > 0)
{
foreach (string item in searchResults)
{
ToggleButton origItem = m_TreeViewItemDict[item].Header as ToggleButton;
if (origItem == null)
{
continue; // Skip non-ToggleButton item
}
TreeViewItem childNode = new TreeViewItem();
ToggleButton childNodeItem;
if (m_SingleNodeSelection)
{
childNodeItem = new RadioButton();
}
else
{
childNodeItem = new CheckBox();
}
childNode.Name = item;
childNodeItem.Name = item;
childNodeItem.Content = item;
// set check status following the original selection
childNodeItem.IsChecked = origItem.IsChecked;
if (m_SingleNodeSelection && origItem.IsChecked == true)
{
prevSelItem = childNode;
}
childNodeItem.Checked += new RoutedEventHandler(SearchItem_Checked);
childNodeItem.Unchecked += new RoutedEventHandler(SearchItem_Unchecked);
childNode.Header = childNodeItem;
searchTreeView.Items.Add(childNode);
}
IFCEntityTreeView.ItemsSource = searchTreeView.Items;
}
else
{
IFCEntityTreeView.ItemsSource = null;
}
button_Reset.IsEnabled = false;
button_CollapseAll.IsEnabled = false;
button_ExpandAll.IsEnabled = false;
}
