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# (C) Copyright 2005-2023 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!
import unittest
from traits.api import Enum, HasTraits
from traits.testing.api import UnittestTools
from pyface.gui import GUI
from pyface.toolkit import toolkit
from pyface.util.testing import has_traitsui
from pyface.window import Window
from ..traitsui_widget_action import TraitsUIWidgetAction
@unittest.skipIf(not has_traitsui(), "TraitsUI not installed")
@unittest.skipIf(toolkit.toolkit == "wx", "wxPython not supported")
class TestTraitsUIWidgetAction(unittest.TestCase, UnittestTools):
def setUp(self):
self.gui = GUI()
self.parent = Window()
self.parent.create()
self.parent.open()
self.addCleanup(self._destroy_parent)
self.gui.process_events()
def _destroy_parent(self):
self.parent.destroy()
self.gui.process_events()
self.parent = None
def create_model(self):
from traitsui.api import View, Item
class SimpleEnum(HasTraits):
value = Enum("a", "b", "c")
view = View(Item("value"))
return SimpleEnum()
def test_traitsui_widget_action(self):
from traitsui.api import View, Item
class SimpleEnumAction(TraitsUIWidgetAction):
value = Enum("a", "b", "c")
view = View(Item("value"))
action = SimpleEnumAction(name="Simple")
control = action.create_control(self.parent.control)
self.gui.process_events()
editor = control._ui.get_editors("value")[0]
with self.assertTraitChanges(action, "value", count=1):
if toolkit.toolkit in {"qt", "qt4"}:
editor.control.setCurrentIndex(1)
editor.control.activated.emit(1)
elif toolkit.toolkit == "wx":
import wx
event = wx.CommandEvent(
wx.EVT_CHOICE.typeId, editor.control.GetId()
)
event.SetString("b")
wx.PostEvent(editor.control.GetEventHandler(), event)
else:
self.skipTest("Unknown toolkit")
self.gui.process_events()
self.assertEqual(action.value, "b")
def test_traitsui_widget_action_model(self):
from traitsui.api import View, Item
class SimpleEnumAction(TraitsUIWidgetAction):
view = View(Item("value"))
model = self.create_model()
action = SimpleEnumAction(name="Simple", model=model)
control = action.create_control(self.parent.control)
self.gui.process_events()
editor = control._ui.get_editors("value")[0]
with self.assertTraitChanges(model, "value", count=1):
if toolkit.toolkit in {"qt", "qt4"}:
editor.control.setCurrentIndex(1)
editor.control.activated.emit(1)
elif toolkit.toolkit == "wx":
import wx
event = wx.CommandEvent(
wx.EVT_CHOICE.typeId, editor.control.GetId()
)
event.SetString("b")
wx.PostEvent(editor.control.GetEventHandler(), event)
else:
self.skipTest("Unknown toolkit")
self.gui.process_events()
self.assertEqual(model.value, "b")
def test_traitsui_widget_action_model_view(self):
from traitsui.api import HGroup, View, Item
class ComplexEnumAction(TraitsUIWidgetAction):
value = Enum("a", "b", "c")
view = View(HGroup(Item("value"), Item("action.value")))
model = self.create_model()
action = ComplexEnumAction(name="Simple", model=model)
control = action.create_control(self.parent.control)
self.gui.process_events()
editor = control._ui.get_editors("value")[0]
with self.assertTraitChanges(model, "value", count=1):
if toolkit.toolkit in {"qt", "qt4"}:
editor.control.setCurrentIndex(1)
editor.control.activated.emit(1)
elif toolkit.toolkit == "wx":
import wx
event = wx.CommandEvent(
wx.EVT_CHOICE.typeId, editor.control.GetId()
)
event.SetString("b")
wx.PostEvent(editor.control.GetEventHandler(), event)
else:
self.skipTest("Unknown toolkit")
self.gui.process_events()
self.assertEqual(model.value, "b")
editor = control._ui.get_editors("value")[1]
with self.assertTraitChanges(action, "value", count=1):
if toolkit.toolkit in {"qt", "qt4"}:
editor.control.setCurrentIndex(2)
editor.control.activated.emit(2)
elif toolkit.toolkit == "wx":
event = wx.CommandEvent(
wx.EVT_CHOICE.typeId, editor.control.GetId()
)
event.SetString("c")
wx.PostEvent(editor.control.GetEventHandler(), event)
else:
self.skipTest("Unknown toolkit")
self.gui.process_events()
self.assertEqual(action.value, "c")
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