/// <summary>
/// If a new child shape was not placed, then defer to
/// PlaceAsChildOf on the child. Note that AutoResize
/// has not been called on the child prior to this call.
/// </summary>
/// <param name="child">A new child shape element</param>
/// <param name="childWasPlaced">false if the child element was not previously placed.</param>
/// <param name="createdDuringViewFixup">Whether this shape was created as part of a view fixup</param>
protected override void OnChildConfigured(ShapeElement child, bool childWasPlaced, bool createdDuringViewFixup)
{
// Don't check childWasPlaced here during drag-drop. In this case,
// childWasPlace will be true if the parent shape was placed, so is
// only relevant for our code base for the top-level shapes, in which
// case the OnChildConfigured for the dropped shape is called on the
// diagram, not a base shape. Any derived shape that allows placed
// drag from the toolbox (etc) onto child shapes (which none of
// the shapes in ORMShapeDomainModel allow), then childWasPlaced should
// be tested.
if (childWasPlaced)
{
Transaction transaction = Store.TransactionManager.CurrentTransaction.TopLevelTransaction;
if (transaction != null &&
(DropTargetContext.HasDropTargetContext(transaction) ||
transaction.Context.ContextInfo.ContainsKey(ORMBaseShape.PlaceAllChildShapes)))
{
childWasPlaced = false;
}
}
if (!childWasPlaced)
{
ORMBaseShape baseShape;
if (null != (baseShape = child as ORMBaseShape))
{
baseShape.PlaceAsChildOf(this, createdDuringViewFixup);
}
}
}
/// <summary>
/// Stop all auto shape selection on transaction commit except when
/// the item is being dropped.
/// </summary>
public override IList FixUpDiagramSelection(ShapeElement newChildShape)
{
if (DropTargetContext.HasDropTargetContext(Store.TransactionManager.CurrentTransaction))
{
return(base.FixUpDiagramSelection(newChildShape));
}
return(null);
}
