public virtual IPartViewJunction GetParts()
{
if (Part is IPartViewNode)
{
var junction = new AdvancedPartJunction();
junction.Add(Part);
return(junction);
}
return((IPartViewJunction)Part);
}
public PartLoader(IPartView current, AdvancedPartJunction junction)
: this(current)
{
Junction = junction;
}
public PartLoader(IPartView current)
{
Current = current;
Junction = null;
}
/// <summary>
/// Add a new part to the adapter.
/// </summary>
/// <param name="type"></param>
public virtual void Add(JunctionType type)
{
var toAdd = CreateNode(null);
if (toAdd == null)
{
return;
}
AddHandlers(toAdd);
// if Parts null, just add node
if (Part == null)
{
Part = toAdd;
}
else
{
// if we have a selected part, add as a sibling to this, otherwise add it as a sibling to the last item
var sibling = SelectedPart;
if (sibling == null)
{
sibling = Part;
}
// if the sibling has a container and it's the same type of junction, add it to the same container
AdvancedPartJunction container = null;
if (sibling.Container != null && sibling.Container.Type == type)
{
container = sibling.Container;
}
else if (sibling == Part && sibling is AdvancedPartJunction && ((AdvancedPartJunction)sibling).Type == type)
{
container = (AdvancedPartJunction)sibling;
}
// no parent? (either no container, or the sibling's container is a different junction type)
if (container == null)
{
container = CreateJunction(type);
if (Part == sibling) // root case
{
Part = container;
}
else if (sibling.Container != null) // otherwise, replace index in original container
{
// it seems replacing the index directly messes with UI data templating
// so if we remove it and insert the container at the old items location, it works
var c = sibling.Container;
var index = c.IndexOf(sibling);
c.Remove(sibling);
c.Insert(index, container);
}
container.Add(sibling);
AddHandlers(container);
}
// and finally, add the new node to the junction
container.Parts.Add(toAdd);
}
toAdd.IsSelected = true;
}
