public void RemoveElements(IList <T> elements)
{
foreach (var element in elements)
{
if (element == root)
{
throw new ArgumentException(Maintainer.ConstructError("It is not allowed to remove the root element!"));
}
}
var commonAncestors = TreeElementUtility.FindCommonAncestorsWithinList(elements);
foreach (var element in commonAncestors)
{
element.parent.children.Remove(element);
element.parent = null;
}
TreeElementUtility.TreeToList(root, data);
Changed();
}
public void AddElement(T element, TreeElement parent, int insertPosition)
{
if (element == null)
{
throw new ArgumentNullException("element", Maintainer.ConstructError("element is null!"));
}
if (parent == null)
{
throw new ArgumentNullException("parent", Maintainer.ConstructError("parent is null!"));
}
if (parent.children == null)
{
parent.children = new List <TreeElement> ();
}
parent.children.Insert(insertPosition, element);
element.parent = parent;
TreeElementUtility.UpdateDepthValues(parent);
TreeElementUtility.TreeToList(root, data);
Changed();
}
