/// <summary>
/// Initializes a new instance of the <see cref="LayoutOptionalNodeStateView"/> class.
/// </summary>
/// <param name="controllerView">The controller view to which this object belongs.</param>
/// <param name="state">The optional node state.</param>
public LayoutOptionalNodeStateView(ILayoutControllerView controllerView, ILayoutOptionalNodeState state)
: base(controllerView, state)
{
CellOrigin = RegionHelper.InvalidOrigin;
CellSize = RegionHelper.InvalidSize;
ActualCellSize = RegionHelper.InvalidSize;
}
/// <summary>
/// Handler called every time a state is unassigned in the controller.
/// </summary>
/// <param name="operation">Details of the operation performed.</param>
private protected override void OnStateUnassigned(WriteableAssignmentOperation operation)
{
base.OnStateUnassigned(operation);
ILayoutOptionalNodeState State = ((LayoutAssignmentOperation)operation).State;
Debug.Assert(State != null);
Debug.Assert(StateViewTable.ContainsKey(State));
}
