_ViewProviderFemMaterialReinforced.py

# ***************************************************************************
# *   Copyright (c) 2019 Bernd Hahnebach <bernd@bimstatik.org>              *
# *                                                                         *
# *   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     *
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# *   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.                  *
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# *   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                                                                   *
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# ***************************************************************************

__title__ = "FreeCAD FEM material reinforced ViewProvider for the document object"
__author__ = "Bernd Hahnebach"
__url__ = "http://www.freecadweb.org"

## @package ViewProviderFemMaterialReinforced
#  \ingroup FEM
#  \brief FreeCAD FEM _ViewProviderFemMaterialReinforced

import FreeCAD
import FreeCADGui
import FemGui  # needed to display the icons in TreeView
False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemGui'


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

    def getIcon(self):
        return ":/icons/fem-constraint-selfweight.svg"  # TODO: create one

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

    def getDisplayModes(self, obj):
        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 unsetEdit(self, vobj, mode=0):
        FreeCADGui.Control.closeDialog()
        return True

    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