# Copyright (C) 2009, Tutorius.org
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

from ..actions import *
from .. import gtkutils
from ..services import ObjectStore

class DisableWidgetAction(Action):
    target = TStringProperty("0")

    def __init__(self, target):
        """Constructor
        @param target target treeish
        """
        Action.__init__(self)
        if target is not None:
            self.target = target
        self._widget = None

    def do(self, **kwargs):
        """Action do"""
        os = ObjectStore()
        if os.activity:
            self._widget = gtkutils.find_widget(os.activity, self.target)
            if self._widget:
                # If we have an object whose sensitivity we can query, we will
                # keep it to reset it in the undo() method  
                if hasattr(self._widget, 'get_sensitive') and callable(self._widget.get_sensitive):
                    self._previous_sensitivity = self._widget.get_sensitive()
                self._widget.set_sensitive(False)
                       
    def undo(self):    
        """Action undo"""
        if self._widget:
            if hasattr(self, '_previous_sensitivity'):
                self._widget.set_sensitive(self._previous_sensitivity)
            else:
                self._widget.set_sensitive(True)

__action__ = {
    'name' : 'DisableWidgetAction',
    'display_name' : 'Disable Widget',
    'icon' : 'stop',
    'class' : DisableWidgetAction,
    'mandatory_props' : ['target'],
    'test' : True
}