#***************************************************************************
#*                                                                         *
#*   Copyright (c) 2016 - Qingfeng Xia <qingfeng.xia()eng.ox.ac.uk> *
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__title__ = "DocumentOject Class to hold mechanical FEM results"
__author__ = "Qingfeng Xia, Bernd Hahnebach"
__url__ = "http://www.freecadweb.org"

## @package FemResultMechanical
#  \ingroup FEM
#  \brief FreeCAD DocumentObject class to hold mechanical results in FEM workbench


class _FemResultMechanical():
    """The Fem::_FemResultMechanical's Proxy python type, add result specific properties
    """
    def __init__(self, obj):
        self.Type = "FemResultMechanical"
        self.Object = obj  # keep a ref to the DocObj for nonGui usage
        obj.Proxy = self  # link between App::DocumentObject to  this object

        obj.addProperty("App::PropertyString", "ResultType", "Base", "Type of the result", 1)  # the 1 set the property to ReadOnly
        obj.ResultType = str(self.Type)

        # `Time, Stats` should have been defined in base cpp class

        # does not show up in propertyEditor of combiView
        obj.addProperty("App::PropertyVectorList", "DisplacementVectors", "Fem", "List of displacement vectors", True)

        # does not show up in propertyEditor of combiView
        obj.addProperty("App::PropertyVectorList", "StressVectors", "Fem", "List of stress vectors", True)

        # does not show up in propertyEditor of combiView
        obj.addProperty("App::PropertyVectorList", "StrainVectors", "Fem", "List of strain vectors", True)

        # does not show up in propertyEditor of combiView
        obj.addProperty("App::PropertyFloatList", "Peeq", "Fem", "List of equivalent plastic strain values", True)

        # readonly in propertyEditor of combiView
        obj.addProperty("App::PropertyFloatList", "DisplacementLengths", "Fem", "List of displacement lengths", True)

        obj.addProperty("App::PropertyFloatList", "StressValues", "Fem", "", True)

        obj.addProperty("App::PropertyFloatList", "PrincipalMax", "Fem", "", True)

        obj.addProperty("App::PropertyFloatList", "PrincipalMed", "Fem", "", True)

        obj.addProperty("App::PropertyFloatList", "PrincipalMin", "Fem", "", True)

        obj.addProperty("App::PropertyFloatList", "MaxShear", "Fem", "List of Maximum Shear stress values", True)

        obj.addProperty("App::PropertyFloatList", "MassFlowRate", "Fem", "List of mass flow rate values", True)

        obj.addProperty("App::PropertyFloatList", "NetworkPressure", "Fem", "List of network pressure values", True)

        obj.addProperty("App::PropertyFloatList", "UserDefined", "Fem", "User Defined Results", True)

        # temperature field is needed in the thermal stress analysis
        obj.addProperty("App::PropertyFloatList", "Temperature", "Fem", "Temperature field", True)

        # for frequency analysis
        obj.addProperty("App::PropertyInteger", "Eigenmode", "Fem", "", True)

        obj.addProperty("App::PropertyFloat", "EigenmodeFrequency", "Fem", "User Defined Results", True)

    # standard FeutureT methods
    def execute(self, obj):
        """"this method is executed on object creation and whenever the document is recomputed"
        update Part or Mesh should NOT lead to recompution of the analysis automatically, time consuming
        """
        return

    def onChanged(self, obj, prop):
        return

    def __getstate__(self):
        return self.Type

    def __setstate__(self, state):
        if state:
            self.Type = state
