public static VennDiagram <T> CreateDiagram(params VennSet <T>[] sets)
{
VennDiagram <T> diagram = new VennDiagram <T>(sets)
{
_regions = new Dictionary <string, VennSet <T> >()
};
int count = diagram.Count;
// Initialize subsets
diagram._subSets = new VennSet <T> [count];
diagram._exclusiveSubSets = new VennSet <T> [count];
for (int i = 0; i < count; i++)
{
diagram._subSets[i] = new VennSet <T>(string.Format("In {0:G0} of {1:G0}", i + 1, count));
diagram._exclusiveSubSets[i] = new VennSet <T>(string.Format("Only in {0:G0} of {1:G0}", i + 1, count));
}
//_subSets[Count] = new VennSet<T>("Total Unique");
for (int depth = 1; depth <= count; depth++)
{
// Removed This as this was the only code i needed from the third party: Combinatorics.Collections;
//Combinations<VennSet<T>> combinations = new Combinations<VennSet<T>>(diagram._inputSets, depth);
//foreach (IList<VennSet<T>> combo_sets in combinations)
foreach (VennSet <T>[] combo_sets in Combinatorics.Combinations(diagram._inputSets, depth))
{
HashSet <T> baseSet = new HashSet <T>(combo_sets[0]);
StringBuilder sb = new StringBuilder();
sb.Append(combo_sets[0].Name);
for (int i = 1; i < depth; i++)
{
VennSet <T> currentSet = combo_sets[i];
baseSet.IntersectWith(currentSet);
sb.Append(" ∩ ");
sb.Append(currentSet.Name);
}
diagram.AddVennSet(new VennSet <T>(baseSet, sb.ToString()), depth);
// Skip the last one
if (depth < count)
{
baseSet = new HashSet <T>(baseSet);
foreach (VennSet <T> set in diagram._inputSets)
{
if (!combo_sets.Contains(set))
{
baseSet.ExceptWith(set);
}
}
sb.Append(" only");
diagram.AddVennSet(new VennSet <T>(baseSet, sb.ToString()), depth, true);
}
}
}
diagram._exclusiveSubSets[count - 1].Add(diagram._subSets[count - 1]);
return(diagram);
}
private void AddVennSet(VennSet <T> set, int depth, bool exclusive = false)
{
_subSets[depth - 1].Add(set);
_regions.Add(set.Name, set);
if (exclusive)
{
_exclusiveSubSets[depth - 1].Add(set);
}
}