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
|
#------------------------------------------------------------------------------
# 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>
#------------------------------------------------------------------------------
""" Adapter class to make trait editor controls work inside of a sheet. """
# Major package imports
from wxPython.sheet import wxPySheetCellEditor
from wxPython.wx import wxSIZE_ALLOW_MINUS_ONE
# Enthought library imports
from enthought.traits.api import false
from enthought.traits.ui.api import default_handler
from enthought.traits.ui.ui import UI
class TraitSheetCellAdapter(wxPySheetCellEditor):
""" Wrap a trait editor as a SheetCellEditor object. """
def __init__(self, trait_editor_factory, obj, name, description,
handler = None, context = None):
""" Build a new TraitSheetCellAdapter object. """
wxPySheetCellEditor.__init__(self)
self._factory = trait_editor_factory
self._editor = None
self._obj = obj
self._name = name
self._description = description
self._handler = handler
self._context = context
return
def Create(self, parent, id, evtHandler):
""" Called to create the control, which must derive from wxControl. """
if self._handler is not None:
handler = self._handler
else:
handler = default_handler()
if self._context is None:
ui = UI(handler = handler)
else:
ui = UI(handler = handler, context = self._context)
# make sure the factory knows this is a sheet_cell editor
#print 'TraitSheetCellAdapter.Create name: ', self._name, ' obj: ', self._obj
self._factory.is_sheet_cell = True
self._editor = self._factory.simple_editor(ui,
self._obj,
self._name,
self._description,
parent)
# Tell the editor to actually build the editing widget:
self._editor.prepare(parent)
self.SetControl(self._editor.control)
if evtHandler:
self._editor.control.PushEventHandler(evtHandler)
return
def SetSize(self, rect):
""" Called to position/size the edit control within the cell rectangle.
If you don't fill the cell (the rect) then be sure to override
PaintBackground and do something meaningful there.
"""
#print 'TraitSheetCellAdapter.SetSize'
self._editor.control.SetDimensions(rect.x, rect.y,
rect.width+2, rect.height+2,
wxSIZE_ALLOW_MINUS_ONE)
return
def Show(self, show, attr):
""" Show or hide the edit control. You can use the attr (if not None)
to set colours or fonts for the control.
"""
#print 'TraitSheetCellAdapter.Show'
if self.IsCreated():
self.base_Show(show, attr)
return
def PaintBackground(self, rect, attr):
""" Draws the part of the cell not occupied by the edit control. The
base class version just fills it with background colour from the
attribute. In this class the edit control fills the whole cell so
don't do anything at all in order to reduce flicker.
"""
#print 'TraitSheetCellAdapter.PaintBackground'
return self.base_PaintBackground(rect, attr)
def BeginEdit(self, row, col, sheet):
""" Make sure the control is ready to edit. """
# print 'TraitSheetCellAdapter.BeginEdit'
# we have to manually set the focus to the control
#print 'TraitSheetCellAdapter.BeginEdit'
self._editor.update_editor()
self._editor.control.SetFocus()
return
def EndEdit(self, row, col, sheet):
""" Do anything necessary to complete the editing. """
#print 'TraitSheetCellAdapter.EndEdit'
# Note that we shouldn't have to do anything here, since the underlying
# trait editor should take care of setting the value correctly
#print 'TraitSheetCellAdapter.EndEdit'
return True
def Reset(self):
""" Reset the value in the control back to its starting value. """
# fixme: should we be using the undo history here?
return
def IsAcceptedKey(self, evt):
""" Return True to allow the given key to start editing: the base class
version only checks that the event has no modifiers. F2 is special
and will always start the editor.
"""
return wxPySheetCellEditor.base_IsAcceptedKey(self, evt)
def StartingKey(self, evt):
""" If the editor is enabled by pressing keys on the sheet, this will be
called to let the editor do something about that first key
if desired.
"""
#print 'TraitSheetCellAdapter.StartingKey'
return
def StartingClick(self):
""" If the editor is enabled by clicking on the cell, this method
will be called to allow the editor to simulate the click on the
control if needed.
"""
return
def Destroy(self):
""" Final cleanup. """
#print 'TraitSheetCellAdapter.Destroy'
return
def Clone(self):
""" Create a new object which is the copy of this one. """
#print 'TraitSheetCellAdapter.Clone'
return TraitSheetCellAdapter(self._factory, self._obj, self._name,
self._description)
#### EOF ######################################################################
|
