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# * Copyright (c) 2017 Markus Hovorka <m.hovorka@live.de> *
# * Copyright (c) 2020 Bernd Hahnebach <bernd@bimstatik.org> *
# * *
# * This file is part of the FreeCAD CAx development system. *
# * *
# * This program is free software; you can redistribute it and/or modify *
# * it under the terms of the GNU Lesser General Public License (LGPL) *
# * as published by the Free Software Foundation; either version 2 of *
# * the License, or (at your option) any later version. *
# * for detail see the LICENCE text file. *
# * *
# * This program is distributed in the hope that it will be useful, *
# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
# * GNU Library General Public License for more details. *
# * *
# * You should have received a copy of the GNU Library General Public *
# * License along with this program; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# * USA *
# * *
# ***************************************************************************
__title__ = "FreeCAD FEM base python object"
__author__ = "Markus Hovorka, Bernd Hahnebach"
__url__ = "https://www.freecad.org"
## @package base_fempythonobject
# \ingroup FEM
# \brief base object for FEM Python Features
class BaseFemPythonObject:
BaseType = "Fem::BaseFemPythonObject"
def __init__(self, obj):
# self.Object = obj # keep a ref to the DocObj for nonGui usage
obj.Proxy = self # link between App::DocumentObject to this object
# they are needed, see:
# https://forum.freecad.org/viewtopic.php?f=18&t=44021
# https://forum.freecad.org/viewtopic.php?f=18&t=44009
def dumps(self):
return None
def loads(self, state):
return None
class _PropHelper:
"""
Helper class to manage property data inside proxy objects.
Initialization keywords are the same used with PropertyContainer
to add dynamics properties plus "value" for the initial value.
Note: Is used as base for a GUI version, be aware when refactoring
"""
def __init__(self, **kwds):
self.value = kwds.pop("value")
self.info = kwds
self.name = kwds["name"]
def add_to_object(self, obj):
obj.addProperty(**self.info)
obj.setPropertyStatus(self.name, "LockDynamic")
setattr(obj, self.name, self.value)
def handle_change_type(self, obj, old_type, convert_old_value=lambda x: x):
if obj.getTypeIdOfProperty(self.name) == old_type:
new_value = convert_old_value(obj.getPropertyByName(self.name))
obj.setPropertyStatus(self.name, "-LockDynamic")
obj.removeProperty(self.name)
self.add_to_object(obj)
setattr(obj, self.name, new_value)
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