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# *   Copyright (c) 2022 Uwe Stöhr <uwestoehr@lyx.org>                      *
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__title__ = "FreeCAD FEM constraint initial pressure document object"
__author__ = "Uwe Stöhr"
__url__ = "https://www.freecad.org"

## @package constraint_initialpressure
#  \ingroup FEM
#  \brief constraint initial pressure object

from . import base_fempythonobject


class ConstraintInitialPressure(base_fempythonobject.BaseFemPythonObject):

    Type = "Fem::ConstraintInitialPressure"

    def __init__(self, obj):
        super(ConstraintInitialPressure, self).__init__(obj)
        self.add_properties(obj)

    def onDocumentRestored(self, obj):
        self.add_properties(obj)

    def add_properties(self, obj):
        if not hasattr(obj, "Pressure"):
            obj.addProperty(
                "App::PropertyPressure",
                "Pressure",
                "Parameter",
                "Initial Pressure"
            )
            # App::PropertyPressure is in kPa and we initialize 1 bar
            obj.Pressure = 100