protected override void AddDependency(Point coordinates)
{
IFigure underMouse = null;
if (GetExpectedDependencyType() != null)
{
underMouse = LookForExpectedDependencyUnderCursor(coordinates);
if (underMouse != null && FoundDependencies.Contains(underMouse) && !CanReuseDependency)
{
return;
}
}
Drawing.RaiseConstructionStepStarted();
if (GetExpectedDependencyType() != null)
{
AddFoundDependency(underMouse);
}
if (GetExpectedDependencyType() != null)
{
AdvertiseNextDependency();
}
else
{
AddFiguresAndRestart();
}
Drawing.Figures.CheckConsistency();
}
protected virtual void AddDependency(Point coordinates)
{
IFigure underMouse = null;
if (GetExpectedDependencyType() != null)
{
// MouseDownUnconstrainedCoordinates used here to properly find the figure under the mouse.
underMouse = LookForExpectedDependencyUnderCursor(ClickedUnconstrainedCoordinates);
if (underMouse != null && FoundDependencies.Contains(underMouse) && !CanReuseDependency)
{
return;
}
if (underMouse == null && ExpectingAPoint())
{
underMouse = CreatePointAtCurrentPosition(coordinates);
}
else if (ExpectingAPoint() && !usePointsUnderMouse)
{
var pointUnderMouse = underMouse as IPoint;
var freePoint = CreatePointAtCurrentPosition(coordinates);
if (pointUnderMouse != null)
{
freePoint.Coordinates = pointUnderMouse.Coordinates;
}
underMouse = freePoint;
}
}
Drawing.RaiseConstructionStepStarted();
RemoveIntermediateFigureIfNecessary();
RemoveTempResultsIfNecessary();
if (TempPoint != null)
{
if (underMouse == null)
{
throw new NullReferenceException("How come underMouse is null at this point?");
}
TempPoint.SubstituteWith(underMouse);
RemoveTempPointIfNecessary();
}
if (GetExpectedDependencyType() != null)
{
AddFoundDependency(underMouse);
}
if (GetExpectedDependencyType() != null)
{
if (ExpectingAPoint())
{
CreateTempPoint(coordinates);
if (CanCreateTempResults())
{
CreateTempResults();
}
else
{
AddIntermediateFigureIfNecessary();
}
}
AdvertiseNextDependency();
}
else
{
AddFiguresAndRestart();
}
Drawing.Figures.CheckConsistency();
}
