/// <summary>
/// Checks if the pipeline where the mouse click has been made is not connected(null).
/// </summary>
/// <param name="location">The location of the mouse click.</param>
/// <returns>True if the pipeline is null.Otherwise false.</returns>
public override bool IsLocationEmpty(Point location)
{
if (UpperHalf.Contains(location))
{
return(this.UpperIncomePipeline == null);
}
else if (LowerHalf.Contains(location))
{
return(this.LowerIncomePipeline == null);
}
else if (OutcomeHalf.Contains(location))
{
return(this.OutcomePipeline == null);
}
return(false);
}
/// <summary>
/// Gets a concrete point that is used for connecting pipelines based on where the mouse click has been made.
/// </summary>
/// <param name="location">The location of the mouse click.</param>
/// <returns>A concrete prefixed point.</returns>
public override Point?GetPipelineLocation(Point mouseClick)
{
if (UpperHalf.Contains(mouseClick))
{
return(upperHalfPoint);
}
else if (LowerHalf.Contains(mouseClick))
{
return(lowerHalfPoint);
}
else if (OutcomeHalf.Contains(mouseClick))
{
return(outcomingHalfPoint);
}
return(null);
}