def _test_tree_node_object_releases_listeners(self, hide_root, nodes=None,
trait='bogus_list',
expected_listeners=1):
""" The TreeEditor should release the listener to the root node's children
when it's disposed of.
"""
with store_exceptions_on_all_threads():
bogus = BogusTreeNodeObject(bogus_list=[BogusTreeNodeObject()])
tree_editor_view = BogusTreeNodeObjectView(
bogus=bogus,
hide_root=hide_root,
nodes=nodes,
)
ui = tree_editor_view.edit_traits()
# The TreeEditor sets a listener on the bogus object's
# children list
notifiers_list = bogus.trait(trait)._notifiers(False)
self.assertEqual(expected_listeners, len(notifiers_list))
# Manually close the UI
press_ok_button(ui)
# The listener should be removed after the UI has been closed
notifiers_list = bogus.trait(trait)._notifiers(False)
self.assertEqual(0, len(notifiers_list))
def test_csv_editor_external_append(self):
# Behavior: CSV editor is notified when an element is appended to the
# list externally
def _wx_get_text_value(ui):
txt_ctrl = ui.control.FindWindowByName("text", ui.control)
return txt_ctrl.GetValue()
def _qt_get_text_value(ui):
from pyface import qt
txt_ctrl = ui.control.findChild(qt.QtGui.QLineEdit)
return txt_ctrl.text()
list_of_floats = ListOfFloats(data=[1.0])
csv_view = ListOfFloatsWithCSVEditor(model=list_of_floats)
with store_exceptions_on_all_threads(), create_ui(csv_view) as ui:
# add element to list, make sure that editor knows about it
list_of_floats.data.append(3.14)
# get current value from editor
if is_current_backend_wx():
value_str = _wx_get_text_value(ui)
elif is_current_backend_qt4():
value_str = _qt_get_text_value(ui)
expected = csv_list_editor._format_list_str([1.0, 3.14])
self.assertEqual(value_str, expected)
press_ok_button(ui)
def _test_tree_node_object_releases_listeners(self,
hide_root,
nodes=None,
trait="bogus_list",
expected_listeners=1):
""" The TreeEditor should release the listener to the root node's children
when it's disposed of.
"""
bogus = BogusTreeNodeObject(bogus_list=[BogusTreeNodeObject()])
tree_editor_view = BogusTreeNodeObjectView(bogus=bogus,
hide_root=hide_root,
nodes=nodes)
with store_exceptions_on_all_threads(), \
create_ui(tree_editor_view) as ui:
# The TreeEditor sets a listener on the bogus object's
# children list
notifiers_list = bogus.trait(trait)._notifiers(False)
self.assertEqual(expected_listeners, len(notifiers_list))
if trait == "name":
# fire a label change
bogus.name = "Something else"
else:
# change the children
bogus.bogus_list.append(BogusTreeNodeObject())
# Manually close the UI
press_ok_button(ui)
# The listener should be removed after the UI has been closed
notifiers_list = bogus.trait(trait)._notifiers(False)
self.assertEqual(0, len(notifiers_list))
def test_selection_listener_disconnected():
""" Check that selection listeners get correctly disconnected """
from pyface.api import GUI
from pyface.qt.QtGui import QApplication, QItemSelectionModel
from pyface.ui.qt4.util.event_loop_helper import EventLoopHelper
from pyface.ui.qt4.util.testing import event_loop
obj = ListStrEditorWithSelectedIndex(values=['value1', 'value2'])
with store_exceptions_on_all_threads():
qt_app = QApplication.instance()
if qt_app is None:
qt_app = QApplication([])
helper = EventLoopHelper(gui=GUI(), qt_app=qt_app)
# open the UI and run until the dialog is closed
ui = obj.edit_traits(view=single_select_item_view)
with helper.delete_widget(ui.control):
press_ok_button(ui)
# now run again and change the selection
ui = obj.edit_traits(view=single_select_item_view)
with event_loop():
editor = ui.get_editors('values')[0]
list_view = editor.list_view
mi = editor.model.index(1)
list_view.selectionModel().select(mi, QItemSelectionModel.ClearAndSelect)
obj.selected = 'value2'
def test_table_editor_select_cells():
gui = GUI()
object_list = ObjectListWithSelection(
values=[ListItem(value=str(i**2)) for i in range(10)]
)
object_list.selected_cells = [
(object_list.values[5], 'value'),
(object_list.values[6], 'other value'),
(object_list.values[8], 'value'),
]
with store_exceptions_on_all_threads():
ui = object_list.edit_traits(view=select_cells_view)
editor = ui.get_editors('values')[0]
gui.process_events()
if is_current_backend_qt4():
selected = editor.selected
elif is_current_backend_wx():
selected = editor.selected_cells
press_ok_button(ui)
gui.process_events()
assert selected == [
(object_list.values[5], 'value'),
(object_list.values[6], 'other value'),
(object_list.values[8], 'value'),
]
def test_progress_column():
from traitsui.extras.progress_column import ProgressColumn
progress_view = View(
Item(
'values',
show_label=False,
editor=TableEditor(
columns=[
ObjectColumn(name='value'),
ProgressColumn(name='other_value'),
],
)
),
buttons=['OK'],
)
gui = GUI()
object_list = ObjectList(
values=[ListItem(value=str(i**2)) for i in range(10)]
)
with store_exceptions_on_all_threads():
ui = object_list.edit_traits(view=progress_view)
gui.process_events()
press_ok_button(ui)
gui.process_events()
def test_selection_listener_disconnected():
""" Check that selection listeners get correctly disconnected """
from pyface.api import GUI
from pyface.qt.QtGui import QApplication, QItemSelectionModel
from pyface.ui.qt4.util.event_loop_helper import EventLoopHelper
from pyface.ui.qt4.util.testing import event_loop
obj = ListStrEditorWithSelectedIndex(values=['value1', 'value2'])
with store_exceptions_on_all_threads():
qt_app = QApplication.instance()
if qt_app is None:
qt_app = QApplication([])
helper = EventLoopHelper(gui=GUI(), qt_app=qt_app)
# open the UI and run until the dialog is closed
ui = obj.edit_traits(view=single_select_item_view)
with helper.delete_widget(ui.control):
press_ok_button(ui)
# now run again and change the selection
ui = obj.edit_traits(view=single_select_item_view)
with event_loop():
editor = ui.get_editors('values')[0]
list_view = editor.list_view
mi = editor.model.index(1)
list_view.selectionModel().select(mi, QItemSelectionModel.ClearAndSelect)
obj.selected = 'value2'
def test_table_editor_select_cells():
gui = GUI()
object_list = ObjectListWithSelection(
values=[ListItem(value=str(i**2)) for i in range(10)])
object_list.selected_cells = [
(object_list.values[5], "value"),
(object_list.values[6], "other value"),
(object_list.values[8], "value"),
]
with store_exceptions_on_all_threads():
ui = object_list.edit_traits(view=select_cells_view)
editor = ui.get_editors("values")[0]
gui.process_events()
if is_current_backend_qt4():
selected = editor.selected
elif is_current_backend_wx():
selected = editor.selected_cells
press_ok_button(ui)
gui.process_events()
assert selected == [
(object_list.values[5], "value"),
(object_list.values[6], "other value"),
(object_list.values[8], "value"),
]
def test_qt_tuple_editor(self):
# Behavior: when editing the text of a tuple editor,
# value get updated immediately.
from pyface import qt
val = TupleEditor()
with store_exceptions_on_all_threads(), create_ui(val) as ui:
# the following is equivalent to clicking in the text control of
# the range editor, enter a number, and clicking ok without
# defocusing
# text element inside the spin control
lineedits = ui.control.findChildren(qt.QtGui.QLineEdit)
lineedits[0].setFocus()
lineedits[0].clear()
lineedits[0].insert("4")
lineedits[1].setFocus()
lineedits[1].clear()
lineedits[1].insert("6")
# if all went well, the tuple trait has been updated and its value
# is 4
self.assertEqual(val.tup, (4, 6))
# press the OK button and close the dialog
press_ok_button(ui)
def test_table_editor():
gui = GUI()
object_list = ObjectList(values=[ListItem(value=str(i ** 2)) for i in range(10)])
with store_exceptions_on_all_threads():
ui = object_list.edit_traits(view=simple_view)
gui.process_events()
press_ok_button(ui)
gui.process_events()
def test_simple_editor_parent_closed(self):
obj = NonmodalInstanceEditor()
with store_exceptions_on_all_threads(), create_ui(obj) as ui:
editor = ui.get_editors("inst")[0]
# make the dialog appear
editor._button.click()
# close the main ui
press_ok_button(ui)
def test_simple_editor(self):
obj = NonmodalInstanceEditor()
with reraise_exceptions(), create_ui(obj) as ui:
editor = ui.get_editors("inst")[0]
# make the dialog appear
editor._button.click()
# close the ui dialog
press_ok_button(editor._dialog_ui)
def test_table_editor(self):
gui = GUI()
object_list = ObjectListWithSelection(
values=[ListItem(value=str(i**2)) for i in range(10)])
with store_exceptions_on_all_threads(), \
create_ui(object_list, dict(view=simple_view)) as ui:
gui.process_events()
press_ok_button(ui)
gui.process_events()
def test_table_editor():
gui = GUI()
object_list = ObjectList(
values=[ListItem(value=str(i**2)) for i in range(10)])
with store_exceptions_on_all_threads():
ui = object_list.edit_traits(view=simple_view)
gui.process_events()
press_ok_button(ui)
gui.process_events()
def test_simple_editor_parent_closed():
with store_exceptions_on_all_threads():
obj = NonmodalInstanceEditor()
ui = obj.edit_traits()
editor = ui.get_editors('inst')[0]
# make the dialog appear
editor._button.click()
# close the main ui
press_ok_button(ui)
def test_simple_editor_parent_closed():
with store_exceptions_on_all_threads():
obj = NonmodalInstanceEditor()
ui = obj.edit_traits()
editor = ui.get_editors("inst")[0]
# make the dialog appear
editor._button.click()
# close the main ui
press_ok_button(ui)
def test_filtered_table_editor(self):
gui = GUI()
object_list = ObjectListWithSelection(
values=[ListItem(value=str(i**2)) for i in range(10)])
with store_exceptions_on_all_threads(), \
create_ui(object_list, dict(view=filtered_view)) as ui:
gui.process_events()
filter = ui.get_editors("values")[0].filter
press_ok_button(ui)
gui.process_events()
self.assertIsNotNone(filter)
def test_filtered_table_editor():
gui = GUI()
object_list = ObjectListWithSelection(
values=[ListItem(value=str(i**2)) for i in range(10)])
with store_exceptions_on_all_threads():
ui = object_list.edit_traits(view=filtered_view)
gui.process_events()
filter = ui.get_editors("values")[0].filter
press_ok_button(ui)
gui.process_events()
assert filter is not None
def test_filtered_table_editor():
gui = GUI()
object_list = ObjectListWithSelection(
values=[ListItem(value=str(i**2)) for i in range(10)]
)
with store_exceptions_on_all_threads():
ui = object_list.edit_traits(view=filtered_view)
gui.process_events()
filter = ui.get_editors('values')[0].filter
press_ok_button(ui)
gui.process_events()
assert filter is not None
def test_csv_editor_disposal(self):
# Bug: CSVListEditor does not un-hook the traits notifications after
# its disposal, causing errors when the hooked data is accessed after
# the window is closed (Issue #48)
list_of_floats = ListOfFloats(data=[1, 2, 3])
csv_view = ListOfFloatsWithCSVEditor(model=list_of_floats)
try:
with store_exceptions_on_all_threads(), create_ui(csv_view) as ui:
press_ok_button(ui)
# raise an exception if still hooked
list_of_floats.data.append(2)
except AttributeError:
# if all went well, we should not be here
self.fail("AttributeError raised")
def test_table_editor_select_column_index():
gui = GUI()
object_list = ObjectListWithSelection(
values=[ListItem(value=str(i**2)) for i in range(10)])
object_list.selected_index = 1
with store_exceptions_on_all_threads():
ui = object_list.edit_traits(view=select_column_index_view)
editor = ui.get_editors("values")[0]
gui.process_events()
if is_current_backend_qt4():
selected = editor.selected_indices
elif is_current_backend_wx():
selected = editor.selected_column_index
press_ok_button(ui)
gui.process_events()
assert selected == 1
def test_table_editor_select_cell(self):
gui = GUI()
object_list = ObjectListWithSelection(
values=[ListItem(value=str(i**2)) for i in range(10)])
object_list.selected_cell = (object_list.values[5], "value")
with store_exceptions_on_all_threads(), \
create_ui(object_list, dict(view=select_cell_view)) as ui:
editor = ui.get_editors("values")[0]
gui.process_events()
if is_current_backend_qt4():
selected = editor.selected
elif is_current_backend_wx():
selected = editor.selected_cell
press_ok_button(ui)
gui.process_events()
self.assertEqual(selected, (object_list.values[5], "value"))
def test_wx_text_editing(self):
# behavior: when editing the text part of a spin control box, pressing
# the OK button should update the value of the HasTraits class
# (tests a bug where this fails with an AttributeError)
num = NumberWithRangeEditor()
with store_exceptions_on_all_threads(), create_ui(num) as ui:
# the following is equivalent to setting the text in the text
# control, then pressing OK
textctrl = ui.control.FindWindowByName("text")
textctrl.SetValue("1")
# press the OK button and close the dialog
press_ok_button(ui)
# the number traits should be between 3 and 8
self.assertTrue(3 <= num.number <= 8)
def test_table_editor_select_column_index():
gui = GUI()
object_list = ObjectListWithSelection(
values=[ListItem(value=str(i**2)) for i in range(10)]
)
object_list.selected_index = 1
with store_exceptions_on_all_threads():
ui = object_list.edit_traits(view=select_column_index_view)
editor = ui.get_editors('values')[0]
gui.process_events()
if is_current_backend_qt4():
selected = editor.selected_indices
elif is_current_backend_wx():
selected = editor.selected_column_index
press_ok_button(ui)
gui.process_events()
assert selected == 1
def test_avoid_slider_feedback(self):
# behavior: when editing the text box part of a range editor, the value
# should not be adjusted by the slider part of the range editor
from pyface import qt
num = FloatWithRangeEditor()
with store_exceptions_on_all_threads(), create_ui(num) as ui:
# the following is equivalent to setting the text in the text
# control, then pressing OK
lineedit = ui.control.findChild(qt.QtGui.QLineEdit)
lineedit.setFocus()
lineedit.setText("4")
lineedit.editingFinished.emit()
# press the OK button and close the dialog
press_ok_button(ui)
# the number trait should be 4 extactly
self.assertEqual(num.number, 4.0)
def test_progress_column():
from traitsui.extras.progress_column import ProgressColumn
progress_view = View(
Item('values',
show_label=False,
editor=TableEditor(columns=[
ObjectColumn(name='value'),
ProgressColumn(name='other_value'),
], )),
buttons=['OK'],
)
gui = GUI()
object_list = ObjectList(
values=[ListItem(value=str(i**2)) for i in range(10)])
with store_exceptions_on_all_threads():
ui = object_list.edit_traits(view=progress_view)
gui.process_events()
press_ok_button(ui)
gui.process_events()
def test_progress_column(self):
from traitsui.extras.progress_column import ProgressColumn
progress_view = View(
Item(
"values",
show_label=False,
editor=TableEditor(columns=[
ObjectColumn(name="value"),
ProgressColumn(name="other_value"),
]),
),
buttons=["OK"],
)
gui = GUI()
object_list = ObjectList(
values=[ListItem(value=str(i**2)) for i in range(10)])
with store_exceptions_on_all_threads(), \
create_ui(object_list, dict(view=progress_view)) as ui:
gui.process_events()
press_ok_button(ui)
gui.process_events()
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]
def test_wx_list_str_multi_selected_index(self):
# behavior: when starting up, the
obj = ListStrEditorWithSelectedIndex(
values=["value1", "value2"], selected_indices=[1]
)
with store_exceptions_on_all_threads(), \
create_ui(obj, dict(view=multi_select_view)) as ui:
editor = ui.get_editors("values")[0]
# the following is equivalent to setting the text in the text
# control, then pressing OK
selected_1 = get_selected_indices(editor)
obj.selected_indices = [0]
selected_2 = get_selected_indices(editor)
# press the OK button and close the dialog
press_ok_button(ui)
# the number traits should be between 3 and 8
self.assertEqual(selected_1, [1])
self.assertEqual(selected_2, [0])
def test_wx_spin_control_editing_does_not_update(self):
# Bug: when editing the text part of a spin control box, pressing
# the OK button does not update the value of the HasTraits class
# on Mac OS X
# But under wx >= 3.0 this has been resolved
import wx
if wx.VERSION >= (3, 0):
return
num = NumberWithSpinnerEditor()
with store_exceptions_on_all_threads(), create_ui(num) as ui:
# the following is equivalent to clicking in the text control of
# the range editor, enter a number, and clicking ok without
# defocusing
# SpinCtrl object
spin = ui.control.FindWindowByName("wxSpinCtrl")
spin.SetFocusFromKbd()
# on Windows, a wxSpinCtrl does not have children, and we cannot do
# the more fine-grained testing below
if len(spin.GetChildren()) == 0:
spin.SetValueString("4")
else:
# TextCtrl object of the spin control
spintxt = spin.FindWindowByName("text")
spintxt.SetValue("4")
# press the OK button and close the dialog
press_ok_button(ui)
# if all went well, the number traits has been updated and its
# value is 4
self.assertEqual(num.number, 4)
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]
def test_qt_spin_control_editing(self):
# Behavior: when editing the text part of a spin control box, pressing
# the OK button updates the value of the HasTraits class
from pyface import qt
num = NumberWithSpinnerEditor()
with store_exceptions_on_all_threads(), create_ui(num) as ui:
# the following is equivalent to clicking in the text control of
# the range editor, enter a number, and clicking ok without
# defocusing
# text element inside the spin control
lineedit = ui.control.findChild(qt.QtGui.QLineEdit)
lineedit.setFocus()
lineedit.setText("4")
# press the OK button and close the dialog
press_ok_button(ui)
# if all went well, the number traits has been updated and its value is
# 4
self.assertEqual(num.number, 4)