# -= ml_toggleVisibility.py =-
#                __   by Morgan Loomis
#     ____ ___  / /  http://morganloomis.com
#    / __ `__ \/ /  Revision 4
#   / / / / / / /  2018-05-12
#  /_/ /_/ /_/_/  _________
#               /_________/
# 
#     ______________
# - -/__ License __/- - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
# 
# Copyright 2018 Morgan Loomis
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy of 
# this software and associated documentation files (the "Software"), to deal in 
# the Software without restriction, including without limitation the rights to use, 
# copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the 
# Software, and to permit persons to whom the Software is furnished to do so, 
# subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in all 
# copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS 
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR 
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# 
#     ___________________
# - -/__ Installation __/- - - - - - - - - - - - - - - - - - - - - - - - - - 
# 
# Copy this file into your maya scripts directory, for example:
#     C:/Documents and Settings/user/My Documents/maya/scripts/ml_toggleVisibility.py
# 
# Run the tool in a python shell or shelf button by importing the module, 
# and then calling the primary function:
# 
#     import ml_toggleVisibility
#     ml_toggleVisibility.main()
# 
# 
#     __________________
# - -/__ Description __/- - - - - - - - - - - - - - - - - - - - - - - - - - - 
# 
# Toggle the visibility of an object off and on, regardless of the attribute's
# locked or keyable state.
# 
#     ____________
# - -/__ Usage __/- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
# 
# Select an object, and run the script. If the object is visible, it will be
# hidden, and vice-versa.
# 
# 
#                                                             __________
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /_ Enjoy! _/- - -

__author__ = 'Morgan Loomis'
__license__ = 'MIT'
__revision__ = 4
__category__ = 'animation'

shelfButton = {'annotation': 'Toggle the visible state of selected nodes. Force if possible.',
               'order': 1}

import maya.cmds as mc

def main():

    sel = mc.ls(sl=True)

    if not sel:
        return

    for each in sel:
        plug = each+'.v'
        try:
            locked = mc.getAttr(plug, lock=True)
            if locked:
                mc.setAttr(plug, lock=False)

            if mc.getAttr(plug):
                mc.setAttr(plug, 0)
            else:
                mc.setAttr(plug, 1)

            if locked:
                mc.setAttr(plug, lock=True)
        except:
            pass

if __name__ == '__main__':
    main()

#      ______________________
# - -/__ Revision History __/- - - - - - - - - - - - - - - - - - - - - - - -
#
# Revision 1: 2015-05-14 : Converted from mel.
#
# Revision 3: 2018-02-17 : Updating license to MIT.
#
# Revision 4: 2018-05-12 : Shelf support