public override void OnMouseDown(Event e, Vector2 mouseWorldPos)
{
if (e.button == 2)
{
return;
}
if (!e.control)
{
selectNodes.Clear();
}
for (int i = Graph.Nodes.Count - 1; i >= 0; --i)
{
var node = Graph.Nodes[i];
if (node.Bounds.Contains(mouseWorldPos))
{
GraphNodeRef nodeRef = node;
if (!e.control)
{
selectNodes.Add(nodeRef);
break;
}
if (selectNodes.Contains(nodeRef))
{
selectNodes.Remove(nodeRef);
}
else
{
selectNodes.Add(nodeRef);
}
}
}
}
protected bool BreakLinkToParent(GraphNodeRef node)
{
var link = Links.Find(obj => obj.To == node);
if (link != null)
{
link.From.Node.ChildCount--;
Links.Remove(link);
return(true);
}
return(false);
}
public virtual bool DeleteNode(GraphNodeRef node)
{
if (!node || node.Node.Graph != this || node.Node.IsRoot)
{
return(false);
}
Undo.RegisterCompleteObjectUndo(this, "delete node");
Nodes.RemoveAll(obj => obj.GUID == node.GUID);
BreakLinkToParent(node);
Links.RemoveAll(obj => obj.From == node);
return(true);
}
protected bool CheckNodeParentInList(GraphNodeRef node, List <GraphNodeRef> nodes)
{
var parent = Graph.GetParent(node.Node);
if (!parent)
{
return(false);
}
if (nodes.Contains(parent))
{
return(true);
}
return(CheckNodeParentInList(parent, nodes));
}
public void Reset()
{
Nodes.Clear();
Parent = GraphNodeRef.Empty;
Index = -1;
}
