public Result Execute(ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
UIApplication uiapp = commandData.Application;
UIDocument _uidoc = uiapp.ActiveUIDocument;
Autodesk.Revit.ApplicationServices.Application _app = uiapp.Application;
Autodesk.Revit.DB.Document _doc = _uidoc.Document;
BuiltInCategory bicFamilyA = BuiltInCategory.OST_DuctTerminal;
BuiltInCategory bicFamilyB = BuiltInCategory.OST_DataDevices;
BuiltInCategory bicFamilyC = BuiltInCategory.OST_MechanicalEquipment;
//BuiltInCategory bicFamilyC = BuiltInCategory.OST_Sprinklers;
ICollection <BuiltInCategory> categories = new[] { bicFamilyA, bicFamilyB, bicFamilyC };
ElementFilter myPCatFilter = new ElementMulticategoryFilter(categories);
ISelectionFilter myPickFilter = SelFilter.GetElementFilter(myPCatFilter);
bool keepOnTruckn = true;
FormMsgWPF formMsg = new FormMsgWPF();
formMsg.Show();
using (TransactionGroup pickGrp = new TransactionGroup(_doc)) {
pickGrp.Start("CmdCycleType");
bool firstTime = true;
//string strCats= "";
//foreach (BuiltInCategory iCat in categories) {
// strCats = strCats + iCat.ToString().Replace("OST_", "") + ", ";
//}
string strCats = FamilyUtils.BICListMsg(categories);
formMsg.SetMsg("Pick the " + strCats + " to check its type.", "Type Cycle:");
while (keepOnTruckn)
{
try {
Reference pickedElemRef = _uidoc.Selection.PickObject(ObjectType.Element, myPickFilter, "Pick the " + bicFamilyA.ToString() + " to cycle its types. (Press ESC to cancel)");
Element pickedElem = _doc.GetElement(pickedElemRef.ElementId);
FamilyInstance fi = pickedElem as FamilyInstance;
FamilySymbol fs = fi.Symbol;
var famTypesIds = fs.Family.GetFamilySymbolIds().OrderBy(e => _doc.GetElement(e).Name).ToList();
int thisIndx = famTypesIds.FindIndex(e => e == fs.Id);
int nextIndx = thisIndx;
if (!firstTime)
{
nextIndx = nextIndx + 1;
if (nextIndx >= famTypesIds.Count)
{
nextIndx = 0;
}
}
else
{
firstTime = false;
}
if (pickedElem != null)
{
using (Transaction tp = new Transaction(_doc, "PlunkOMatic:SetParam")) {
tp.Start();
if (pickedElem != null)
{
fi.Symbol = _doc.GetElement(famTypesIds[nextIndx]) as FamilySymbol;
formMsg.SetMsg("Currently:\n" + fi.Symbol.Name + "\n\nPick again to cycle its types.", "Type Cycling");
}
tp.Commit();
}
}
else
{
keepOnTruckn = false;
}
} catch (Exception) {
keepOnTruckn = false;
//throw;
}
}
pickGrp.Assimilate();
}
formMsg.Close();
return(Result.Succeeded);
}
// Family Name and Family Symbol(ie Type) being specified
// FindFamilyType(_doc, typeof(FamilySymbol), _FamilyTagName, _FamilyTagNameSymb, _bicTagBeing)
// find an element of the given type, name, and category(optional)
public static Element FindFamilyType(Autodesk.Revit.DB.Document rvtDoc,
Type targetType,
string targetFamilyName,
string targetTypeName,
Nullable <BuiltInCategory> targetCategory)
{
// Narrow down to elements of the given type and category
var collector = new FilteredElementCollector(rvtDoc).OfClass(targetType);
// the optional argument
if (targetCategory.HasValue)
{
collector.OfCategory(targetCategory.Value);
}
// Using LINQ query extract for family name and family type
var targetElems =
from element in collector
where element.Name.Equals(targetTypeName) &&
element.get_Parameter(BuiltInParameter.SYMBOL_FAMILY_NAME_PARAM).AsString().Equals(targetFamilyName)
select element;
// put result as list of element for accessing
IList <Element> elems = targetElems.ToList();
if (elems.Count > 0)
{
// Done, exit with the desired element.
return(elems.FirstOrDefault());
}
// Attempt at this point to find and load the family. Then check if it has the type needed.
FormMsgWPF formMsgWPF = new FormMsgWPF();
string msg = "Family Load Needed For: " + targetFamilyName + " having a type: " + targetTypeName;
formMsgWPF.SetMsg(msg, "Attempting To Find On Network", " ");
formMsgWPF.Show();
List <string> candidates = FindFamilyCandidates(rvtDoc, targetFamilyName);
formMsgWPF.Close();
string foundFamPath = candidates.FirstOrDefault();
if (foundFamPath != null)
{
// sometimes we have a transaction already going on.
if (rvtDoc.IsModifiable)
{
rvtDoc.LoadFamily(foundFamPath);
}
else
{
using (Transaction tx = new Transaction(rvtDoc)) {
tx.Start("Load " + targetFamilyName);
rvtDoc.LoadFamily(foundFamPath);
tx.Commit();
}
}
// check again for family and type
var collector2 = new FilteredElementCollector(rvtDoc).OfClass(targetType);
// the optional argument
if (targetCategory.HasValue)
{
collector2.OfCategory(targetCategory.Value);
}
// Using LINQ query extract for family name and family type
var targetElems2 =
from element in collector
where element.Name.Equals(targetTypeName) &&
element.get_Parameter(BuiltInParameter.SYMBOL_FAMILY_NAME_PARAM).AsString().Equals(targetFamilyName)
select element;
// put result as list of element for accessing
IList <Element> elems2 = targetElems.ToList();
formMsgWPF.Close();
if (elems2.Count > 0)
{
// Done, exit with the desired element.
return(elems2.FirstOrDefault());
}
else
{
SayMsg("Found a family, but it is not right.", "It is either not a " +
targetCategory.ToString().Replace("OST_", "") + " or\n"
+ "it does not having a type:\n" + targetTypeName + "\n\nYou are not standing in tall cotton.");
}
}
else
{
// At this point no path discovered for the desired Family name. If the desired family
// does exist somewhere then have a chance to load it.
SayMsg("Item To Place Not Found - Family Load Needed For:",
targetCategory.ToString().Replace("OST_", "") + " family:\n"
+ targetFamilyName + "\n"
+ "having a type:\n" + targetTypeName + "\n\nMaybe you can find it.");
SayMsg("Go Find " + targetFamilyName, "READ ALL OF THIS BEFORE DOING ANYTHING. After closing this message, drag that file anywhere into the Revit Project Browser view."
+ " Make sure not to drop it on the Properties view. That will open the dragged family in the Family Editor. You will be quite confused."
+ " That missing family will also not have been added to the project.");
}// end fondFamPath
formMsgWPF.Close();
return(null);
}