public override void RolePlayerChanged(RolePlayerChangedEventArgs e)
{
ShapeElementContainsChildShapes con = e.ElementLink as ShapeElementContainsChildShapes;
if (con == null)
{
return;
}
if (e.DomainRole.Id == ShapeElementContainsChildShapes.DomainClassId)
{
NodeShape childShape = con.ChildShape;
NodeShape parentShapeOld = e.OldRolePlayer as NodeShape;
NodeShape parentShapeNew = e.NewRolePlayer as NodeShape;
// delete from old parent shape
if (childShape != null && parentShapeOld != null)
{
if (childShape.IsDeleted)
{
return;
}
parentShapeOld.RemoveFromShapeMapping(childShape);
}
// add to new parent shape
if (childShape != null && parentShapeNew != null)
{
if (childShape.IsDeleted)
{
return;
}
parentShapeNew.AddToShapeMapping(childShape);
if (childShape.IsRelativeChildShape && childShape.MovementBehaviour == ShapeMovementBehaviour.PositionOnEdgeOfParent)
{
childShape.CorrectLocation();
}
if (!childShape.IsRelativeChildShape)
{
childShape.ResizeParentIfRequired();
}
}
}
}
public override void ElementAdded(ElementAddedEventArgs e)
{
NodeShapeReferencesRelativeChildren con = e.ModelElement as NodeShapeReferencesRelativeChildren;
if (con != null)
{
NodeShape childShape = con.ChildShape;
NodeShape parentShape = con.ParentShape;
if (childShape != null && parentShape != null)
{
if (childShape.MovementBehaviour == ShapeMovementBehaviour.PositionOnEdgeOfParent)
{
childShape.CorrectLocation();
}
}
else
{
con.Delete();
}
}
}
