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#------------------------------------------------------------------------------
# Copyright (c) 2005, Enthought, Inc.
# 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: Enthought, Inc.
# Description: <Enthought pyface package component>
#------------------------------------------------------------------------------
""" A dialog that allows the user to chose a single item from a list. """
# Major package imports.
import wx
# Enthought library imports.
from enthought.traits.api import List, Str, Any
# Local imports.
from dialog import Dialog
class SingleChoiceDialog(Dialog):
""" A dialog that allows the user to chose a single item from a list.
choices is the list of things to choose from. If name_attribute is
set then we assume it is a list of objects getattr(obj, name_attribute)
gives us the string to put in the dialog. Otherwise we just call str()
on the choices to get the strings.
"""
choices = List(Any)
choice = Any
name_attribute = Str
caption = Str
###########################################################################
# 'Window' interface.
###########################################################################
def close(self):
""" Closes the window. """
# Get the chosen object.
if self.control is not None:
self.choice = self.choices[self.control.GetSelection()]
# Let the window close as normal.
super(SingleChoiceDialog, self).close()
return
###########################################################################
# Protected 'Window' interface.
###########################################################################
def _create_control(self, parent):
""" Create the toolkit-specific control that represents the window. """
dialog = wx.SingleChoiceDialog(
parent,
self.title,
self.caption,
self._get_string_choices(),
self.STYLE
)
return dialog
def _create_contents(self, parent):
""" Creates the window contents. """
# In this case, wx does it all for us in 'wx.SingleChoiceDialog'
pass
###########################################################################
# 'Private' interface.
###########################################################################
def _get_string_choices(self):
""" Returns the list of strings to display in the dialog. """
if len(self.name_attribute) > 0:
# We asssume choices is a list of objects with this attribute
choices = [
getattr(obj, self.name_attribute) for obj in self.choices
]
else:
# We just convert to strings
choices = [str(obj) for obj in self.choices]
return choices
#### EOF ######################################################################
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