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#------------------------------------------------------------------------------
#
# Copyright (c) 2009, 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: Evan Patterson
# Date: 08/04/2009
#
#------------------------------------------------------------------------------
""" A Traits UI editor for datetime.time objects.
"""
#-------------------------------------------------------------------------------
# Imports:
#-------------------------------------------------------------------------------
import datetime
from pyface.qt import QtCore, QtGui
from editor import Editor
from editor_factory import ReadonlyEditor as BaseReadonlyEditor
#-------------------------------------------------------------------------------
# 'SimpleEditor' class:
#-------------------------------------------------------------------------------
class SimpleEditor(Editor):
""" Simple Traits UI time editor that wraps QTimeEdit.
"""
#---------------------------------------------------------------------------
# Finishes initializing the editor by creating the underlying toolkit
# widget:
#---------------------------------------------------------------------------
def init(self, parent):
""" Finishes initializing the editor by creating the underlying toolkit
widget.
"""
self.control = QtGui.QTimeEdit()
signal = QtCore.SIGNAL('timeChanged(QTime)')
QtCore.QObject.connect(self.control, signal, self.update_object)
#---------------------------------------------------------------------------
# Updates the editor when the object trait changes external to the editor:
#---------------------------------------------------------------------------
def update_editor(self):
""" Updates the editor when the object trait changes externally to the
editor.
"""
value = self.value
if value:
q_date = QtCore.QTime(value.hour, value.minute, value.second)
self.control.setTime(q_date)
#---------------------------------------------------------------------------
# Handles the user entering input data in the edit control:
#---------------------------------------------------------------------------
def update_object(self, q_time):
""" Handles the user entering input data in the edit control.
"""
hour = q_time.hour()
minute = q_time.minute()
second = q_time.second()
try:
self.value = datetime.time(hour, minute, second)
except ValueError:
print 'Invalid time:', hour, minute, second
raise
#------------------------------------------------------------------------------
# 'ReadonlyEditor' class:
#------------------------------------------------------------------------------
class ReadonlyEditor(BaseReadonlyEditor):
""" Readonly Traits UI time editor that uses a QLabel for the view.
"""
def _get_str_value(self):
""" Replace the default string value with our own time verision.
"""
if not self.value:
return self.factory.message
else:
return self.value.strftime(self.factory.strftime)
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