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#------------------------------------------------------------------------------
#
# Copyright (c) 2013, 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
#
# Author: Corran Webster
# Date: Oct 2013
#
#------------------------------------------------------------------------------
"""
Test case for bug (wx, Mac OS X)
A ListStrEditor was not checking for valid item indexes under Wx. This was
most noticeable when the selected_index was set in the editor factory.
"""
from traits.has_traits import HasTraits
from traits.trait_types import List, Int, Str
from traitsui.item import Item
from traitsui.view import View
from traitsui.editors.list_str_editor import ListStrEditor
from traitsui.tests._tools import *
class ListStrEditorWithSelectedIndex(HasTraits):
values = List(Str())
selected_index = Int()
selected_indices = List(Int())
single_select_view = View(
Item('values',
show_label=False,
editor=ListStrEditor(
selected_index='selected_index',
editable=False),
),
buttons=['OK'])
multi_select_view = View(
Item('values',
show_label=False,
editor=ListStrEditor(
multi_select=True,
selected_index='selected_indices',
editable=False),
),
buttons=['OK'])
def get_selected(control):
""" Returns a list of the indices of all currently selected list items.
"""
import wx
selected = []
item = -1
while True:
item = control.GetNextItem(item, wx.LIST_NEXT_ALL,
wx.LIST_STATE_SELECTED)
if item == -1:
break;
selected.append(item)
return selected
@skip_if_not_wx
def test_wx_list_str_selected_index():
# behavior: when starting up, the
with store_exceptions_on_all_threads():
obj = ListStrEditorWithSelectedIndex(
values=['value1', 'value2'],
selected_index=1)
ui = obj.edit_traits(view=single_select_view)
# the following is equivalent to setting the text in the text control,
# then pressing OK
liststrctrl = ui.control.FindWindowByName('listCtrl')
selected_1 = get_selected(liststrctrl)
obj.selected_index = 0
selected_2 = get_selected(liststrctrl)
# press the OK button and close the dialog
press_ok_button(ui)
# the number traits should be between 3 and 8
assert selected_1 == [1]
assert selected_2 == [0]
@skip_if_not_wx
def test_wx_list_str_multi_selected_index():
# behavior: when starting up, the
with store_exceptions_on_all_threads():
obj = ListStrEditorWithSelectedIndex(
values=['value1', 'value2'],
selected_indices=[1])
ui = obj.edit_traits(view=multi_select_view)
# the following is equivalent to setting the text in the text control,
# then pressing OK
liststrctrl = ui.control.FindWindowByName('listCtrl')
selected_1 = get_selected(liststrctrl)
obj.selected_indices = [0]
selected_2 = get_selected(liststrctrl)
# press the OK button and close the dialog
press_ok_button(ui)
# the number traits should be between 3 and 8
assert selected_1 == [1]
assert selected_2 == [0]
if __name__ == '__main__':
# Executing the file opens the dialog for manual testing
editor = ListStrEditorWithSelectedIndex(
values=['value1', 'value2'],
selected_index=1)
editor.configure_traits(view=single_select_view)
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