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#------------------------------------------------------------------------------
# Copyright (c) 2008, Riverbank Computing Limited
# 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
# Thanks for using Enthought open source!
#
# Author: Riverbank Computing Limited
# Description: <Enthought permissions package component>
#------------------------------------------------------------------------------
# Enthought library imports.
from traits.api import HasTraits, Instance, List, Unicode
from traitsui.api import Item, TableEditor, View
from traitsui.menu import OKCancelButtons
from traitsui.table_column import ObjectColumn
class _User(HasTraits):
"""This represents the user model."""
#### '_User' interface ####################################################
# The user name.
name = Unicode
# The user description.
description = Unicode
class _UsersView(HasTraits):
"""This represents the view used to select a user."""
#### '_UsersView' interface ###############################################
# The list of users to select from.
model = List(_User)
# The selected user.
selection = Instance(_User)
# The editor used by the view.
table_editor = TableEditor(columns=[ObjectColumn(name='name'),
ObjectColumn(name='description')],
selected='selection', sort_model=True, configurable=False)
# The default view.
traits_view = View(Item('model', show_label=False, editor=table_editor),
title="Select a User", style='readonly', kind='modal',
buttons=OKCancelButtons)
def select_user(users):
"""Return a single user from the given list of users."""
# Construct the model.
model = [_User(name=name, description=description)
for name, description in users]
# Construct the view.
view = _UsersView(model=model)
if view.configure_traits() and view.selection is not None:
user = view.selection.name, view.selection.description
else:
user = '', ''
return user
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