/// <summary>
/// Fills the slot canvas with instances according to given slot definition.
/// </summary>
/// <param name="slotCanvas">The slot canvas that will be filled.</param>
/// <param name="slot">The slot definition.</param>
public void FillSlot(SlotCanvas slotCanvas, SlotDefinition slot)
{
//recursive check is required only for diagram items
//filling some slots - only some of its children can be recursive
slotCanvas.SetOwner(this);
var ancestors = new HashSet<DiagramItemDefinition>();
var current = this;
while (current != null)
{
ancestors.Add(current.Definition);
current = current.ParentItem;
}
foreach (var itemReference in slot.References)
{
var itemDefinition = DiagramContext.Diagram.GetItemDefinition(itemReference.DefinitionID);
var item = new DiagramItem(itemDefinition, this, slotCanvas);
item.IsRecursive = ancestors.Contains(itemDefinition);
DiagramContext.Provider.InitializeItemDrawing(item);
slotCanvas.Children.Add(item);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DiagramItem" /> class.
/// </summary>
/// <param name="definition">The definition.</param>
/// <param name="parentItem">The parent item.</param>
/// <param name="slot">The slot.</param>
internal DiagramItem(DiagramItemDefinition definition, DiagramItem parentItem, SlotCanvas slot)
{
ContainingDiagramCanvas = slot;
Definition = definition;
ParentItem = parentItem;
ParentItem._children.Add(this);
DiagramContext = parentItem.DiagramContext;
initialize();
}