# ***************************************************************************
# *                                                                         *
# *   Copyright (c) 2016 Bernd Hahnebach <bernd@bimstatik.org>              *
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# *   This program is free software; you can redistribute it and/or modify  *
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__title__ = "FreeCAD FEM material mechanical nonlinear ViewProvider for the document object"
__author__ = "Bernd Hahnebach"
__url__ = "http://www.freecadweb.org"

## @package ViewProviderFemMaterialMechanicalNonLinear
#  \ingroup FEM
#  \brief FreeCAD FEM _ViewProviderFemMaterialMechanicalNonlinear

import FreeCAD
import FreeCADGui
import FemGui  # needed to display the icons in TreeView

from pivy import coin

False if FemGui.__name__ else True  # flake8, dummy FemGui usage


class _ViewProviderFemMaterialMechanicalNonlinear:
    "A View Provider for the FemMaterialMechanicalNonlinear object"
    def __init__(self, vobj):
        vobj.Proxy = self

    def getIcon(self):
        return ":/icons/fem-material-nonlinear.svg"

    def attach(self, vobj):
        self.ViewObject = vobj
        self.Object = vobj.Object
        self.standard = coin.SoGroup()
        vobj.addDisplayMode(self.standard, "Default")

    def getDisplayModes(self, obj):
        return ["Default"]

    def getDefaultDisplayMode(self):
        return "Default"

    def updateData(self, obj, prop):
        return

    def onChanged(self, vobj, prop):
        return

    def setEdit(self, vobj, mode=0):
        # avoid edit mode by return False
        # https://forum.freecadweb.org/viewtopic.php?t=12139&start=10#p161062
        return False

    def doubleClicked(self, vobj):
        guidoc = FreeCADGui.getDocument(vobj.Object.Document)
        # check if another VP is in edit mode
        # https://forum.freecadweb.org/viewtopic.php?t=13077#p104702
        if not guidoc.getInEdit():
            guidoc.setEdit(vobj.Object.Name)
        else:
            from PySide.QtGui import QMessageBox
            message = "Active Task Dialog found! Please close this one before opening  a new one!"
            QMessageBox.critical(None, "Error in tree view", message)
            FreeCAD.Console.PrintError(message + "\n")
        return True

    def __getstate__(self):
        return None

    def __setstate__(self, state):
        return None