private static NTreeViewItem AddFolder(NTreeViewItemCollection items, string name)
{
// Find the place for the folder item
int i;
for (i = items.Count - 1; i >= 0; i--)
{
if (items[i].Items.Count > 0)
{
// This is not a leaf node, which means we have reached the last folder in the given list of items
break;
}
}
// Insert the folder item
NTreeViewItem item = CreateItem(NResources.Image__16x16_Folders_png, name);
items.Insert(i + 1, item);
return(item);
}
private void OnAddButtonClicked(NEventArgs args)
{
NTreeViewItem selItem = m_TreeView.SelectedItem;
string text = selItem == null ? "Item " + m_TreeView.Items.Count.ToString() :
selItem.Tag.ToString();
if (args.TargetNode == m_AddButton)
{
if (selItem == null)
{
// Add the item as a last item in the tree view
m_TreeView.Items.Add(CreateTreeViewItem(text));
}
else
{
// Add the item as a last item in the selected item
text += "." + selItem.Items.Count.ToString();
selItem.Items.Add(CreateTreeViewItem(text));
}
}
else if (args.TargetNode == m_InsertBeforeButton)
{
// Insert the item before the selected one
NTreeViewItemCollection items = (NTreeViewItemCollection)selItem.ParentNode;
text += ".Before";
items.Insert(selItem.IndexInParent, CreateTreeViewItem(text));
}
else if (args.TargetNode == m_InsertAfterButton)
{
// Insert the item after the selected one
NTreeViewItemCollection items = (NTreeViewItemCollection)selItem.ParentNode;
text += ".After";
items.Insert(selItem.IndexInParent + 1, CreateTreeViewItem(text));
}
if (m_TreeView.Items.Count == 1)
{
m_RemoveAllButton.Enabled = true;
}
}
