private void DeleteRows(TreeItem treeItem, UITableView tableView, int selectedItemIndex)
{
if (treeItem.Childrens != null) {
var itemsToRemove = new List<TreeItem> (treeItem.Childrens);
var itmesToRemovePath = new List<NSIndexPath> ();
int totalDeleteCount = 0;
RecursiveDelete (itemsToRemove, itmesToRemovePath, ref totalDeleteCount);
_items.RemoveRange (selectedItemIndex + 1, totalDeleteCount);
tableView.DeleteRows (itmesToRemovePath.ToArray (), UITableViewRowAnimation.Fade);
treeItem.IsExpanded = false;
}
}
private void InsertRows(TreeItem treeItem, UITableView tableView, int selectedItemIndex)
{
if (treeItem.Childrens != null) {
var itemsToInsert = new List<TreeItem> (treeItem.Childrens);
var itemsToInsertPath = new List<NSIndexPath> ();
foreach (var item in itemsToInsert) {
selectedItemIndex++;
_items.Insert (selectedItemIndex, item);
itemsToInsertPath.Add (NSIndexPath.FromRowSection (selectedItemIndex, 0));
}
tableView.InsertRows (itemsToInsertPath.ToArray (), UITableViewRowAnimation.Bottom);
treeItem.IsExpanded = true;
}
}