/// <summary>
/// Adds the given objects to a layer</summary>
/// <param name="parent">Layer's parent</param>
/// <param name="insertingObject">Object(s) to insert in layer</param>
public void Insert(object parent, object insertingObject)
{
if (parent == null)
{
parent = m_activeItem ?? this;
}
else if (!(parent is LayeringContext) && !(parent is LayerFolder))
{
return;
}
IEnumerable <DomNode> nodes = GetCompatibleNodes((IDataObject)insertingObject);
if (nodes == null)
{
return;
}
// If the parent is the LayeringContext itself:
// create a new layer for the objects about to be inserted
LayerFolder layer = parent.As <LayerFolder>();
if (layer == null && nodes.Count() > 0)
{
DomNode node = new DomNode(LayerFolderType);
LayerFolder subLayer = node.As <LayerFolder>();
subLayer.Name = "New Layer".Localize();
Layers.Add(subLayer);
layer = subLayer;
}
if (layer == null)
{
return;
}
foreach (DomNode node in nodes)
{
// Insert GameObjects
Element gameObject = node.As <Element>();
if (gameObject != null && !layer.Contains(gameObject))
{
DomNode refNode = new DomNode(ElementRefType);
ElementRef newRef = refNode.As <ElementRef>();
newRef.Element = gameObject;
layer.ElementRefs.Add(newRef);
}
// Insert References
ElementRef reference = node.As <ElementRef>();
if (reference != null)
{
if (reference.Element != null && !layer.Contains(reference.Element))
{
layer.ElementRefs.Add(reference);
}
}
// Insert Sub-Layers
LayerFolder otherLayer = node.As <LayerFolder>();
if (otherLayer != null)
{
layer.Folders.Add(otherLayer);
}
}
}
