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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!
""" Chained wizard example. """
from traits.api import HasTraits, Str
from pyface.api import GUI, OK
from pyface.wizard.api import ChainedWizard, Wizard, WizardPage
from pyface.ui_traits import TraitsUIColor as Color
class Details(HasTraits):
""" Some test data. """
name = Str()
color = Color
class SimpleWizardPage(WizardPage):
""" A simple wizard page. """
# 'SimpleWizardPage' interface -----------------------------------------
# The page color.
color = Color
# ------------------------------------------------------------------------
# 'IWizardPage' interface.
# ------------------------------------------------------------------------
def _create_page_content(self, parent):
""" Create the wizard page. """
details = Details(color=self.color)
details.observe(self._on_name_changed, "name")
return details.edit_traits(parent=parent, kind="subpanel").control
# ------------------------------------------------------------------------
# Private interface.
# ------------------------------------------------------------------------
# Trait event handlers -------------------------------------------------
def _on_name_changed(self, event):
""" Called when the name has been changed. """
self.complete = len(event.new.strip()) > 0
return
# Application entry point.
if __name__ == "__main__":
# Create the GUI (this does NOT start the GUI event loop).
gui = GUI()
wizard = ChainedWizard(
parent=None,
title="Chained wizard root",
pages=[
SimpleWizardPage(
id="foo",
color="red",
heading="The Red Page",
subheading="The default color on this page is red.",
)
],
)
next_wizard = Wizard(
parent=None,
title="Chained wizard child.",
pages=[
SimpleWizardPage(
id="bar",
color="yellow",
heading="The Yellow Page",
subheading="The default color on this page is yellow.",
),
SimpleWizardPage(
id="baz",
color="green",
heading="The Green Page",
subheading="The default color on this page is green.",
),
],
)
wizard.next_wizard = next_wizard
# Open the wizard.
if wizard.open() == OK:
print("Wizard completed successfully")
else:
print("Wizard cancelled")
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