/// <summary>
/// Compares this counter with another counter. A cookie can specify
/// a specific counter type.
/// </summary>
/// <param name="other">The other.</param>
/// <param name="cookie">The cookie.</param>
/// <returns></returns>
public virtual double Compare(TreeTableVisibleCounter other, int cookie)
{
if (other == null)
{
return(0);
}
if ((cookie & TreeTableCounterCookies.CountVisible) != 0)
{
return(GetVisibleCount() - other.GetVisibleCount());
}
return(0);
}
/// <summary>
/// Combines the counter values of this counter object with the values of another counter object
/// and returns a new counter object.
/// </summary>
/// <param name="other">The other.</param>
/// <param name="cookie">The cookie.</param>
/// <returns></returns>
public TreeTableVisibleCounter Combine(TreeTableVisibleCounter other, int cookie)
{
if (other == null || other.IsEmpty(int.MaxValue))
{
return(this);
}
if (this.IsEmpty(int.MaxValue))
{
return(other);
}
TreeTableVisibleCounter counter = CreateCounter();
counter.visibleCount = GetVisibleCount() + other.GetVisibleCount();
counter.OnCombineCounters(this, other, cookie);
return(counter);
}