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# 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
import os
from ..actions import Action
from ..properties import TFileProperty
from ..services import ObjectStore
class ReadFile(Action):
filename = TFileProperty(None)
def __init__(self, filename=None):
"""
Calls activity.read_file to restore a specified state to an activity
like when restored from the journal.
@param filename Path to the file to read
"""
Action.__init__(self)
if filename:
self.filename=filename
def do(self, **kwargs):
"""
Perform the action, call read_file on the activity
"""
if os.path.isfile(str(self.filename)):
ObjectStore().activity.read_file(self.filename)
def undo(self):
"""
Not undoable
"""
pass
__action__ = {
"name" : "ReadFile",
"display_name" : "Read File",
"icon" : "message-bubble", #FIXME
"class" : ReadFile,
"mandatory_props" : ["filename"]
}
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