# ***************************************************************************
# *                                                                         *
# *   Copyright (c) 2017 - Markus Hovorka <m.hovorka@live.de>               *
# *   Copyright (c) 2018 - 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     *
# *   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__ = "_Base ViewProvider"
__author__ = "Markus Hovorka, Bernd Hahnebach"
__url__ = "http://www.freecadweb.org"


import FreeCAD
import FreeCADGui
from pivy import coin


class ViewProxy(object):
    """Proxy View Provider for Pythons base constraint."""

    def __init__(self, vobj):
        vobj.Proxy = self

    def attach(self, vobj):
        default = coin.SoGroup()
        vobj.addDisplayMode(default, "Default")

    def getDisplayModes(self, obj):
        "Return a list of display modes."
        modes = ["Default"]
        return modes

    def getDefaultDisplayMode(self):
        return "Default"

    def setDisplayMode(self, mode):
        return mode

    def setEdit(self, vobj, mode=0):
        # needs to be overwritten if task panel exists
        # 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 open a new one!'
            QMessageBox.critical(None, "Error in tree view", message)
            FreeCAD.Console.PrintError(message + '\n')
        return True