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#
# Copyright (c) 2002-2004 Art Haas
#
# This file is part of PythonCAD.
#
# PythonCAD 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.
#
# PythonCAD 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 PythonCAD; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Global strings/utility classes stored here
#
from Foundation import NSObject
# Strings for Preferences
WinFrameName = "CADWindow"
LayerColumnName = "LayerName"
LayerAddedNotification = "PCAddLayer"
LayerDeletedNotification = "PCDelLayer"
ToolChangedNotification ="PCToolChanged"
# Class to keep weak referenced/non-retained objects
# from causing crashes.
WRAPPED ={}
class ObjWrap(NSObject):
"""This class is here to wrap python objects as objective-c objects
"""
def init_(self, obj):
self.obj = obj
return self
def wrap(item):
if WRAPPED.has_key(item):
return WRAPPED[item]
else:
WRAPPED[item] = ObjWrap.alloc().init_(item)
return WRAPPED[item]
def unwrap(item):
if item is None:
return item
return item.obj
def purge(item):
if WRAPPED.has_key(item):
del WRAPPED[item]
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