/// <summary>
/// Appends the marble.
/// </summary>
/// <param name="itemWrapper">The item wrapper.</param>
public void AppendMarble(MarbleItemViewModel itemWrapper)
{
#region Validation
if (itemWrapper == null)
{
throw new NullReferenceException("itemWrapper");
}
#endregion Validation
MarbleBase item = itemWrapper.Item;
if (TabKind == TabKind.Flat)
{
FlatItems.AddAsync(item);
return;
}
itemWrapper.MainContext = this;
#region Diagrams.AddAsync(diagram)
MarbleDiagramModel diagram;
if (!_marbleDiagrams.TryGetValue(item.Name, out diagram))
{
diagram = new MarbleDiagramModel(item.Name, item.IndexOrder, this);
if (_marbleDiagrams.TryAdd(item.Name, diagram))
{
Diagrams.AddAsync(diagram);
}
else
{
diagram.Dispose();
diagram = _marbleDiagrams[item.Name];
}
}
#endregion // Diagrams.AddAsync(diagram)
itemWrapper = itemWrapper.Clone(diagram);
diagram.AppendMarble(itemWrapper);
}
