RevitAPIDOCS::Code Snippets::Cycles through Family Types in Family Manager

revitapidocs_CycleTypes.py

"""
CycleType
Cycle through available types in family manager
TESTED REVIT API: 2015

github.com/gtalarico
"""

__doc__ = 'Cycles through available types in family manager. \n' \
          'Must be in Family Document.'
__author__ = '@gtalarico'

from Autodesk.Revit.DB import Transaction
from Autodesk.Revit.UI import TaskDialog

doc = __revit__.ActiveUIDocument.Document
uidoc = __revit__.ActiveUIDocument

if not doc.IsFamilyDocument:
    TaskDialog.Show('pyRevitPlus', 'Must be in Family Document.')

else:
    family_types = [x for x in doc.FamilyManager.Types]
    sorted_type_names = sorted([x.Name for x in family_types])
    current_type = doc.FamilyManager.CurrentType

    # Iterate through sorted list of type names, return name of next in list
    for n, type_name in enumerate(sorted_type_names):
        if type_name == current_type.Name:
            try:
                next_family_type_name = sorted_type_names[n + 1]
            except IndexError:
                # wraps list back to 0 if current is last
                next_family_type_name = sorted_type_names[0]

    for family_type in family_types:
        if family_type.Name == next_family_type_name:
            t = Transaction(doc, 'Cycle Type')
            t.Start()
            doc.FamilyManager.CurrentType = family_type
            t.Commit()