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#------------------------------------------------------------------------------
#
# Copyright (c) 2006, Enthought, Inc.
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/LICENSE.txt and may be redistributed only
# under the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
# Thanks for using Enthought open source!
#
# Author: Jason Sugg
#
# Date: 03/28/2006
#
# Description: Define the table column descriptor used for toggleable
# columns.
#
# Symbols defined: CheckboxColumn
#
#------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
# Imports:
#-------------------------------------------------------------------------------
from enthought.pyface.grid.checkbox_renderer \
import CheckboxRenderer
from enthought.traits.ui.table_column \
import ObjectColumn
#-------------------------------------------------------------------------------
# 'CheckboxColumn' class:
#-------------------------------------------------------------------------------
class CheckboxColumn ( ObjectColumn ):
#---------------------------------------------------------------------------
# Initializes the object:
#---------------------------------------------------------------------------
def __init__ ( self, **traits ):
""" Initializes the object.
"""
super( CheckboxColumn, self ).__init__( **traits )
# force the renderer to be a checkbox renderer
self.renderer = CheckboxRenderer()
#---------------------------------------------------------------------------
# Returns the cell background color for the column for a specified object:
#---------------------------------------------------------------------------
def get_cell_color ( self, object ):
""" Returns the cell background color for the column for a specified
object.
"""
# we override this from the parent class to ALWAYS provide the
# standard color
return self.cell_color_
#---------------------------------------------------------------------------
# Returns whether the column is editable for a specified object:
#---------------------------------------------------------------------------
def is_editable ( self, object ):
""" Returns whether the column is editable for a specified object.
"""
# Although a checkbox column is always editable, we return this
# to keep a standard editor from appearing. The editing is handled
# in the renderer's handlers.
return False
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