private ObservableCollection <SelectPartFamilyModel> GetPartFams(Document doc, PartsList partsList,
ObjectId defPartFamIfExists, ObjectId defPartSizeIfExists)
{
ObservableCollection <SelectPartFamilyModel> partfams = new ObservableCollection <SelectPartFamilyModel>();
Database db = doc.Database;
pfStartSelection = null;
psStartSelection = null;
using (Transaction tr = db.TransactionManager.StartTransaction())
{
for (int i = 0; i < partsList.PartFamilyCount; i++)
{
ObjectId plFamId = partsList[i];
PartFamily pf = (PartFamily)tr.GetObject(plFamId, OpenMode.ForRead);
if (partType.HasFlag(pf.PartType))
{
ObservableCollection <PartSize> partSizes = new ObservableCollection <PartSize>();
PartSize startSelSizeCandidate = null;
for (int j = 0; j < pf.PartSizeCount; j++)
{
ObjectId psId = pf[j];
PartSize ps = (PartSize)psId.GetObject(OpenMode.ForRead);
if (defPartSizeIfExists.Equals(psId))
{
startSelSizeCandidate = ps;
}
partSizes.Add(ps);
}
SelectPartFamilyModel spfm = new SelectPartFamilyModel(pf, partSizes);
if (defPartFamIfExists.Equals(plFamId))
{
pfStartSelection = spfm;
if (startSelSizeCandidate != null)
{
psStartSelection = startSelSizeCandidate;
}
}
partfams.Add(spfm);
}
}
tr.Commit();
}
return(partfams);
}