void OnSelectedItemChanging(TreeNodeChangingRoutedEventArgs routedEventArgs)
{
RaiseEvent(routedEventArgs);
ExtTreeNode node = routedEventArgs.ChangedNode as ExtTreeNode;
if (node != null)
{
node.ContextMenu = MenuService.CreateContextMenu(node, node.ContextmenuAddinTreePath);
}
}
public int CompareTo(object obj)
{
ExtTreeNode extTreeNode = obj as ExtTreeNode;
if (extTreeNode == null)
{
TreeNode treeNode = obj as TreeNode;
return(string.Compare(this.CompareString, treeNode.Header.ToString(), StringComparison.CurrentCulture));
}
return(string.Compare(this.CompareString, extTreeNode.CompareString, StringComparison.CurrentCulture));
}
protected override void OnMouseDoubleClick(MouseButtonEventArgs e)
{
base.OnMouseDoubleClick(e);
ExtTreeNode node = e.Source as ExtTreeNode;
if (node != null)
{
node.ActivateItem();
node.SetEditMode();
}
}
void DeleteNode(ExtTreeNode node)
{
if (node == null)
{
return;
}
if (node.EnableDelete)
{
node.Visibility = Visibility.Visible;
node.IsSelected = true;
node.Delete();
}
}
protected override void OnKeyDown(System.Windows.Input.KeyEventArgs e)
{
base.OnKeyDown(e);
if (e.Key == Key.Enter)
{
ExtTreeNode node = SelectedItem as ExtTreeNode;
if (node != null)
{
node.ActivateItem();
}
}
if (e.Key == Key.F2)
{
ExtTreeNode node = SelectedItem as ExtTreeNode;
if (node != null)
{
node.SetEditMode();
}
}
}
public virtual void UpdateVisibility()
{
for (int i = 0; i < invisibleNodes.Count;)
{
if (invisibleNodes[i].Visible)
{
invisibleNodes[i].AddTo(this);
invisibleNodes.RemoveAt(i);
continue;
}
++i;
}
foreach (TreeNode node in Items)
{
if (node is ExtTreeNode)
{
ExtTreeNode extTreeNode = (ExtTreeNode)node;
if (!extTreeNode.Visible)
{
invisibleNodes.Add(extTreeNode);
}
}
}
foreach (TreeNode node in invisibleNodes)
{
Items.Remove(node);
}
foreach (TreeNode node in Items)
{
if (node is ExtTreeNode)
{
((ExtTreeNode)node).UpdateVisibility();
}
}
}