public void ToggleFactors(IEnumerable <IFactor> factors, bool on)
{
if (on)
{
foreach (var factor in factors)
{
if (!Factors.Contains(factor))
{
Factors.Add(factor);
}
}
}
else
{
foreach (var factor in factors)
{
if (Factors.Contains(factor))
{
Factors.Remove(factor);
}
}
}
}
/// <summary>
/// Remove old species facts that are no longer
/// included in the species fact scope.
/// </summary>
private void RemoveSpeciesFactsNotInScope()
{
Int32 index;
ISpeciesFact speciesFact;
if (SpeciesFacts.IsNotEmpty())
{
for (index = SpeciesFacts.Count - 1; index >= 0; index--)
{
speciesFact = SpeciesFacts[index];
if ((!Factors.Contains(speciesFact.Factor)) ||
(!IndividualCategories.Contains(speciesFact.IndividualCategory)) ||
(!Taxa.Contains(speciesFact.Taxon)) ||
(speciesFact.HasHost && !Hosts.Contains(speciesFact.Host)) ||
(speciesFact.HasPeriod && !Periods.Contains(speciesFact.Period)))
{
// This species fact is no longer
// included in the species fact scope.
SpeciesFacts.RemoveAt(index);
}
}
}
}
