IList <int> GetParentsBelowStackBased(TreeElement searchFromThis)
{
Stack <TreeElement> stack = new Stack <TreeElement>();
stack.Push(searchFromThis);
var parentsBelow = new List <int>();
while (stack.Count > 0)
{
TreeElement current = stack.Pop();
if (current.hasChildren)
{
parentsBelow.Add(current.id);
foreach (var T in current.children)
{
stack.Push(T);
}
}
}
return(parentsBelow);
}
public static void TestTreeModelCanRemoveElements()
{
var root = new TreeElement {
Name = "Root", depth = -1
};
var listOfElements = new List <TreeElement>();
listOfElements.Add(root);
var model = new TreeModel <TreeElement>(listOfElements);
model.AddElement(new TreeElement {
Name = "Element"
}, root, 0);
model.AddElement(new TreeElement {
Name = "Element " + root.children.Count
}, root, 0);
model.AddElement(new TreeElement {
Name = "Element " + root.children.Count
}, root, 0);
model.AddElement(new TreeElement {
Name = "Sub Element"
}, root.children[1], 0);
model.RemoveElements(new[] { root.children[1].children[0], root.children[1] });
// Assert order is correct
string[] namesInCorrectOrder = { "Root", "Element 2", "Element" };
Assert.AreEqual(namesInCorrectOrder.Length, listOfElements.Count, "Result count does not match");
for (int i = 0; i < namesInCorrectOrder.Length; ++i)
{
Assert.AreEqual(namesInCorrectOrder[i], listOfElements[i].Name);
}
// Assert depths are valid
TreeElementUtility.ValidateDepthValues(listOfElements);
}
public void AddElement(T element, TreeElement parent, int insertPosition)
{
if (element == null)
{
throw new ArgumentNullException("element", "element is null");
}
if (parent == null)
{
throw new ArgumentNullException("parent", "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(m_Root, m_Data);
Changed();
}
//Override this to add additional requirements
protected virtual bool IsValidElement(TreeElement element, string searchString)
{
return(string.IsNullOrEmpty(searchString) || element.Name.IndexOf(searchString, StringComparison.OrdinalIgnoreCase) >= 0);
}