/// <summary>
/// Initializes a new instance of the <see cref="LayoutPlaceholderNodeStateView"/> class.
/// </summary>
/// <param name="controllerView">The controller view to which this object belongs.</param>
/// <param name="state">The child node state.</param>
public LayoutPlaceholderNodeStateView(LayoutControllerView controllerView, ILayoutPlaceholderNodeState state)
: base(controllerView, state)
{
CellOrigin = RegionHelper.InvalidOrigin;
CellSize = RegionHelper.InvalidSize;
ActualCellSize = RegionHelper.InvalidSize;
}
/// <summary>
/// Handler called every time a state is moved in the controller.
/// </summary>
/// <param name="operation">Details of the operation performed.</param>
private protected override void OnStateMoved(WriteableMoveNodeOperation operation)
{
base.OnStateMoved(operation);
ILayoutPlaceholderNodeState State = ((LayoutMoveNodeOperation)operation).State;
Debug.Assert(State != null);
Debug.Assert(StateViewTable.ContainsKey(State));
}
private protected virtual void MeasureCells()
{
ILayoutPlaceholderNodeState RootState = Controller.RootState;
ILayoutNodeStateView RootStateView = (ILayoutNodeStateView)StateViewTable[RootState];
RootStateView.MeasureCells(null, null, Measure.Floating);
InternalViewSize = RootStateView.CellSize;
Debug.Assert(RegionHelper.IsFixed(InternalViewSize));
}
/// <summary>
/// Handler called every time a block state is inserted in the controller.
/// </summary>
/// <param name="operation">Details of the operation performed.</param>
private protected override void OnBlockStateInserted(IWriteableInsertBlockOperation operation)
{
base.OnBlockStateInserted(operation);
ILayoutBlockState BlockState = ((ILayoutInsertBlockOperation)operation).BlockState;
Debug.Assert(BlockState != null);
Debug.Assert(BlockStateViewTable.ContainsKey(BlockState));
Debug.Assert(StateViewTable.ContainsKey(BlockState.PatternState));
Debug.Assert(StateViewTable.ContainsKey(BlockState.SourceState));
Debug.Assert(BlockState.StateList.Count == 1);
ILayoutPlaceholderNodeState ChildState = ((ILayoutInsertBlockOperation)operation).ChildState;
Debug.Assert(ChildState == BlockState.StateList[0]);
Debug.Assert(ChildState.ParentIndex == ((ILayoutInsertBlockOperation)operation).BrowsingIndex);
Debug.Assert(StateViewTable.ContainsKey(ChildState));
}
private protected virtual void ArrangeCells()
{
ILayoutPlaceholderNodeState RootState = Controller.RootState;
ILayoutNodeStateView RootStateView = (ILayoutNodeStateView)StateViewTable[RootState];
Point ViewOrigin;
if (ShowLineNumber)
{
Measure Width = MeasureLineNumberWidth();
ViewOrigin = new Point(Width, Measure.Zero);
}
else
{
ViewOrigin = Point.Origin;
}
RootStateView.ArrangeCells(ViewOrigin);
Debug.Assert(Point.IsEqual(RootStateView.CellOrigin, ViewOrigin));
}
