public IEnumerable <MapNode> ExcludeNodesAlreadyPartOfHierarchy()
{
SelectedNodes nodes = this;
int[] depth = new int[nodes.Count];
bool[] exclude = new bool[nodes.Count]; // default value is false
for (int i = 0; i < nodes.Count; i++)
{
depth[i] = nodes[i].GetNodeDepth();
}
for (int i = 0; i < nodes.Count; i++)
{
if (exclude[i])
{
continue;
}
MapNode node1 = nodes[i];
for (int j = i + 1; j < nodes.Count; j++)
{
MapNode node2 = nodes[j];
if (depth[i] == depth[j] || exclude[j])
{
continue;
}
else if (depth[i] < depth[j] && node2.IsDescendent(node1))
{
exclude[j] = true;
}
else if (node1.IsDescendent(node2))
{
exclude[i] = true;
}
}
if (!exclude[i])
{
yield return(node1);
}
}
}
public static void Copy(SelectedNodes nodes)
{
if (nodes.Count > 0)
{
internalClipboard.Clear();
foreach (var n in nodes.ExcludeNodesAlreadyPartOfHierarchy())
{
internalClipboard.Add(n.CloneAsDetached());
}
var cbData = new MindMateClipboardDataObject(internalClipboard);
Clipboard.SetDataObject(cbData);
hasCutNode = false;
StatusChanged?.Invoke();
}
}
public static void Cut(SelectedNodes nodes)
{
if (nodes.Count > 0)
{
internalClipboard.Clear();
foreach (var n in nodes.ExcludeNodesAlreadyPartOfHierarchy())
{
internalClipboard.Add(n);
}
internalClipboard.ForEach(n => n.Detach());
var cbData = new MindMateClipboardDataObject(internalClipboard);
Clipboard.SetDataObject(cbData);
hasCutNode = true;
StatusChanged?.Invoke();
}
}
public MapTree()
{
selectedNodes = new SelectedNodes();
}