/// <summary>
/// Transfers the child node from current group node to another group node.
/// </summary>
/// <param name="targetGroup">The target group.</param>
/// <param name="node">The node.</param>
/// <returns></returns>
public bool TransferChildNode(SceneNode node, GroupNodeBase targetGroup)
{
if (targetGroup == this || !itemHashSet.Remove(node.GUID))
{
return(false);
}
ItemsInternal.Remove(node);
node.Parent = null;
InvalidateSceneGraph();
ChildNodeRemoved?.Invoke(this, new OnChildNodeChangedArgs(node, Operation.Remove));
return(targetGroup.AddChildNode(node));
}
/// <summary>
/// Removes the child node.
/// </summary>
/// <param name="node">The node.</param>
/// <returns></returns>
public bool RemoveChildNode(SceneNode node)
{
if (node != null && itemHashSet.Remove(node.GUID))
{
node.Detach();
ItemsInternal.Remove(node);
node.Parent = null;
ChildNodeRemoved?.Invoke(this, new OnChildNodeChangedArgs(node, Operation.Remove));
return(true);
}
else
{
return(false);
}
}
