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# (C) Copyright 2004-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in 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!
""" Defines the table column descriptor used for toggleable columns.
"""
from traits.etsconfig.api import ETSConfig
from ..table_column import ObjectColumn
if ETSConfig.toolkit == "wx":
from pyface.ui.wx.grid.checkbox_renderer import CheckboxRenderer
elif ETSConfig.toolkit in {"qt", "qt4"}:
from ..qt.extra.checkbox_renderer import CheckboxRenderer
else:
raise NotImplementedError("No checkbox renderer for backend")
class CheckboxColumn(ObjectColumn):
def __init__(self, **traits):
"""Initializes the object."""
super().__init__(**traits)
# force the renderer to be a checkbox renderer
self.renderer = CheckboxRenderer()
def get_cell_color(self, object):
"""Returns the cell background color for the column for a specified
object.
"""
# Override the parent class to ALWAYS provide the standard color:
return self.cell_color_
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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