# ***************************************************************************
# *   (c) 2009, 2010 Yorik van Havre <yorik@uncreated.net>                  *
# *   (c) 2009, 2010 Ken Cline <cline@frii.com>                             *
# *   (c) 2020 Eliud Cabrera Castillo <e.cabrera-castillo@tum.de>           *
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"""Provide the Draft_ToggleGrid command to show the Draft grid."""
## @package gui_grid
# \ingroup DRAFT
# \brief Provide the Draft_ToggleGrid command to show the Draft grid.

from PySide.QtCore import QT_TRANSLATE_NOOP

import FreeCADGui as Gui
import draftguitools.gui_base as gui_base
from draftutils.translate import _tr


class ToggleGrid(gui_base.GuiCommandSimplest):
    """The Draft ToggleGrid command definition.

    If the grid tracker is invisible (hidden), it makes it visible (shown);
    and if it is visible, it hides it.

    It inherits `GuiCommandSimplest` to set up the document
    and other behavior. See this class for more information.
    """

    def __init__(self):
        super().__init__(name=_tr("Toggle grid"))

    def GetResources(self):
        """Set icon, menu and tooltip."""
        _tip = "Toggles the Draft grid on and off."

        d = {'Pixmap': 'Draft_Grid',
             'Accel': "G,R",
             'MenuText': QT_TRANSLATE_NOOP("Draft_ToggleGrid",
                                           "Toggle grid"),
             'ToolTip': QT_TRANSLATE_NOOP("Draft_ToggleGrid",
                                          _tip),
             'CmdType': 'ForEdit'}

        return d

    def Activated(self):
        """Execute when the command is called."""
        super().Activated()

        if hasattr(Gui, "Snapper"):
            Gui.Snapper.setTrackers()
            if Gui.Snapper.grid:
                if Gui.Snapper.grid.Visible:
                    Gui.Snapper.grid.off()
                    Gui.Snapper.forceGridOff = True
                else:
                    Gui.Snapper.grid.on()
                    Gui.Snapper.forceGridOff = False


Gui.addCommand('Draft_ToggleGrid', ToggleGrid())