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# (C) Copyright 2007-2023 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!
""" The Envisage workbench. """
# Enthought library imports.
import pyface.workbench.api as pyface
from pyface.api import YES
from traits.api import Delegate, Instance
from envisage.api import IApplication
# Local imports.
from .workbench_preferences import WorkbenchPreferences
from .workbench_window import WorkbenchWindow
class Workbench(pyface.Workbench):
"""The Envisage workbench.
There is (usually) exactly *one* workbench per application. The workbench
can create any number of workbench windows.
"""
#### 'pyface.Workbench' interface #########################################
# The factory that is used to create workbench windows.
window_factory = WorkbenchWindow
#### 'Workbench' interface ################################################
# The application that the workbench is part of.
application = Instance(IApplication)
# Should the user be prompted before exiting the workbench?
prompt_on_exit = Delegate("_preferences")
#### Private interface ####################################################
# The workbench preferences.
_preferences = Instance(WorkbenchPreferences, ())
###########################################################################
# Private interface.
###########################################################################
def _exiting_changed(self, event):
"""Called when the workbench is exiting."""
if self.prompt_on_exit:
answer = self.active_window.confirm(
"Exit %s?" % self.active_window.title, "Confirm Exit"
)
if answer != YES:
event.veto = True
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