| # *************************************************************************** | |
| # * 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) | |