1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
#------------------------------------------------------------------------------
# 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: 12/02/2004
# Description: Define the Tkinter Editor base class.
#
# Symbols defined: Editor
#
#------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
# Imports:
#-------------------------------------------------------------------------------
import tk
from enthought.traits.api import Int
from enthought.traits.ui.api import Editor as UIEditor
#-------------------------------------------------------------------------------
# 'Editor' class:
#-------------------------------------------------------------------------------
class Editor ( UIEditor ):
#---------------------------------------------------------------------------
# Trait definitions:
#---------------------------------------------------------------------------
layout_style = Int( wx.EXPAND ) # Style for imbedding control in a sizer
#---------------------------------------------------------------------------
# Handles the 'control' trait being set:
#---------------------------------------------------------------------------
def _control_changed ( self, control ):
""" Handles the 'control' trait being set.
"""
if control is not None:
control._editor = self
#---------------------------------------------------------------------------
# Updates the editor when the object trait changes external to the editor:
#---------------------------------------------------------------------------
def update_editor ( self ):
""" Updates the editor when the object trait changes external to the
editor.
"""
new_value = self.str_value
var = self.control.cget( 'textvariable' )
if var.get() != new_value:
var.set( new_value )
#---------------------------------------------------------------------------
# Handles an error that occurs while setting the object's trait value:
#---------------------------------------------------------------------------
def error ( self, excp ):
""" Handles an error that occurs while setting the object's trait value.
"""
dlg = wx.MessageDialog( self.control, str( excp ),
self.description + ' value error',
wx.OK | wx.ICON_INFORMATION )
dlg.ShowModal()
dlg.Destroy()
#---------------------------------------------------------------------------
# Sets the tooltip for a specified control:
#---------------------------------------------------------------------------
def set_tooltip ( self, control = None ):
""" Sets the tooltip for a specified control.
"""
desc = self.object.base_trait( self.name ).desc
if desc is not None:
if control is None:
control = self.control
control.SetToolTipString( 'Specifies ' + desc )
#---------------------------------------------------------------------------
# Handles the 'enabled' state of the editor being changed:
#---------------------------------------------------------------------------
def _enabled_changed ( self, enabled ):
""" Handles the 'enabled' state of the editor being changed.
"""
self.control.Enable( enabled )
|
