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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: David C. Morrill
# Date: 10/21/2004
#
#------------------------------------------------------------------------------
""" Defines the various Boolean editors for the wxPython user interface toolkit.
"""
#-------------------------------------------------------------------------------
# Imports:
#-------------------------------------------------------------------------------
import wx
# FIXME: ToolkitEditorFactory is a proxy class defined here just for backward
# compatibility. The class has been moved to the
# traitsui.editors.boolean_editor file.
from traitsui.editors.boolean_editor \
import ToolkitEditorFactory
from editor \
import Editor
# This needs to be imported in here for use by the editor factory for boolean
# editors (declared in traitsui). The editor factory's text_editor
# method will use the TextEditor in the ui.
from text_editor \
import SimpleEditor as TextEditor
from constants \
import ReadonlyColor
#-------------------------------------------------------------------------------
# 'SimpleEditor' class:
#-------------------------------------------------------------------------------
class SimpleEditor ( Editor ):
""" Simple style of editor for Boolean values, which displays a check box.
"""
#---------------------------------------------------------------------------
# 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 = wx.CheckBox( parent, -1, '' )
wx.EVT_CHECKBOX( parent, self.control.GetId(), self.update_object )
self.set_tooltip()
#---------------------------------------------------------------------------
# Handles the user clicking on the checkbox:
#---------------------------------------------------------------------------
def update_object ( self, event ):
""" Handles the user clicking the checkbox.
"""
self.value = (self.control.GetValue() != 0)
#---------------------------------------------------------------------------
# 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.
"""
self.control.SetValue( self.value )
#-------------------------------------------------------------------------------
# 'ReadonlyEditor' class:
#-------------------------------------------------------------------------------
class ReadonlyEditor ( Editor ):
""" Read-only style of editor for Boolean values, which displays static text
of either "True" or "False".
"""
#---------------------------------------------------------------------------
# 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 = wx.TextCtrl( parent, -1, '', style = wx.TE_READONLY )
self.control.SetBackgroundColour( ReadonlyColor )
#---------------------------------------------------------------------------
# Updates the editor when the object trait changes external to the editor:
#
# (Should normally be overridden in a subclass)
#---------------------------------------------------------------------------
def update_editor ( self ):
""" Updates the editor when the object trait changes externally to the
editor.
"""
if self.value:
self.control.SetValue( 'True' )
else:
self.control.SetValue( 'False' )
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