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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
#------------------------------------------------------------------------------
#
# 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 base wxPython EditorFactory class and classes the various
styles of editors used in a Traits-based user interface.
"""
#-------------------------------------------------------------------------------
# Imports:
#-------------------------------------------------------------------------------
import warnings
import wx
from traits.api \
import TraitError, Any, Bool, Event, Str
from traitsui.editor_factory \
import EditorFactory as BaseEditorFactory
from editor \
import Editor
from constants \
import WindowColor
#-------------------------------------------------------------------------------
# 'EditorFactory' class
# Deprecated alias for traitsui.editor_factory.EditorFactory
#-------------------------------------------------------------------------------
class EditorFactory(BaseEditorFactory):
""" Deprecated alias for traitsui.editor_factory.EditorFactory.
"""
def __init__(self, *args, **kwds):
super(EditorFactory, self).__init__(*args, **kwds)
warnings.warn("DEPRECATED: Use traitsui.editor_factory."
".EditorFactory instead.", DeprecationWarning)
#-------------------------------------------------------------------------------
# 'SimpleEditor' class:
#-------------------------------------------------------------------------------
class SimpleEditor ( Editor ):
""" Base class for simple style editors, which displays a text field
containing the text representation of the object trait value. Clicking
in the text field displays an editor-specific dialog box for changing
the value.
"""
# Has the left mouse button been pressed:
left_down = Bool( 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 = self.create_control( parent )
wx.EVT_LEFT_DOWN( self.control, self._enable_popup_editor )
wx.EVT_LEFT_UP( self.control, self._show_popup_editor )
self.set_tooltip()
#---------------------------------------------------------------------------
# Creates the control to use for the simple editor:
#---------------------------------------------------------------------------
def create_control ( self, parent ):
""" Creates the control to use for the simple editor.
"""
return wx.TextCtrl( parent, -1, self.str_value, style = wx.TE_READONLY )
#---------------------------------------------------------------------------
# Invokes the pop-up editor for an object trait:
#
# (Normally overridden in a subclass)
#---------------------------------------------------------------------------
def popup_editor ( self, event ):
""" Invokes the pop-up editor for an object trait.
"""
pass
def _enable_popup_editor ( self, event ):
""" Mark the left mouse button as being pressed currently.
"""
self.left_down = True
def _show_popup_editor ( self, event ):
""" Display the popup editor if the left mouse button was pressed
previously.
"""
if self.left_down:
self.left_down = False
self.popup_editor( event )
#-------------------------------------------------------------------------------
# 'TextEditor' class:
#-------------------------------------------------------------------------------
class TextEditor ( Editor ):
""" Base class for text style editors, which displays an editable text
field, containing a text representation of the object trait value.
"""
#---------------------------------------------------------------------------
# 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, self.str_value,
style = wx.TE_PROCESS_ENTER )
wx.EVT_KILL_FOCUS( self.control, self.update_object )
wx.EVT_TEXT_ENTER( parent, self.control.GetId(), self.update_object )
self.set_tooltip()
#---------------------------------------------------------------------------
# Handles the user changing the contents of the edit control:
#---------------------------------------------------------------------------
def update_object ( self, event ):
""" Handles the user changing the contents of the edit control.
"""
try:
self.value = self.control.GetValue()
except TraitError, excp:
pass
#-------------------------------------------------------------------------------
# 'ReadonlyEditor' class:
#-------------------------------------------------------------------------------
class ReadonlyEditor ( Editor ):
""" Base class for read-only style editors, which displays a read-only text
field, containing a text representation of the object trait value.
"""
#---------------------------------------------------------------------------
# Trait definitions:
#---------------------------------------------------------------------------
# layout_style = 0 # Style for imbedding control in a sizer (override)
#---------------------------------------------------------------------------
# Finishes initializing the editor by creating the underlying toolkit
# widget:
#---------------------------------------------------------------------------
def init ( self, parent ):
""" Finishes initializing the editor by creating the underlying toolkit
widget.
"""
if (self.item.resizable is True) or (self.item.height != -1.0):
self.control = wx.TextCtrl( parent, -1, self.str_value,
style = wx.NO_BORDER | wx.TE_MULTILINE | wx.TE_READONLY )
self.control.SetBackgroundColour( WindowColor )
else:
self.control = wx.StaticText( parent, -1, self.str_value,
style = wx.ALIGN_LEFT )
self.layout_style = 0
self.set_tooltip()
#---------------------------------------------------------------------------
# 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.
"""
new_value = self.str_value
if (self.item.resizable is True) or (self.item.height!= -1.0):
if self.control.GetValue() != new_value:
self.control.SetValue( new_value )
elif self.control.GetLabel() != new_value:
self.control.SetLabel( new_value )
|
