|
1
|
|
# ------------------------------------------------------------------------------
|
|
2
|
|
#
|
|
3
|
|
# Copyright (c) 2005, Enthought, Inc.
|
|
4
|
|
# All rights reserved.
|
|
5
|
|
#
|
|
6
|
|
# This software is provided without warranty under the terms of the BSD
|
|
7
|
|
# license included in LICENSE.txt and may be redistributed only
|
|
8
|
|
# under the conditions described in the aforementioned license. The license
|
|
9
|
|
# is also available online at http://www.enthought.com/licenses/BSD.txt
|
|
10
|
|
#
|
|
11
|
|
# Thanks for using Enthought open source!
|
|
12
|
|
#
|
|
13
|
|
# Author: David C. Morrill
|
|
14
|
|
# Date: 10/13/2004
|
|
15
|
|
#
|
|
16
|
|
# ------------------------------------------------------------------------------
|
|
17
|
|
|
|
18
|
11
|
""" Defines the UIInfo class used to represent the object and editor content of
|
|
19
|
|
an active Traits-based user interface.
|
|
20
|
|
"""
|
|
21
|
|
|
|
22
|
11
|
from traits.api import HasPrivateTraits, Instance, Constant, Bool
|
|
23
|
|
|
|
24
|
|
|
|
25
|
11
|
class UIInfo(HasPrivateTraits):
|
|
26
|
|
""" Represents the object and editor content of an active Traits-based
|
|
27
|
|
user interface
|
|
28
|
|
"""
|
|
29
|
|
|
|
30
|
|
# -------------------------------------------------------------------------
|
|
31
|
|
# Trait definitions:
|
|
32
|
|
# -------------------------------------------------------------------------
|
|
33
|
|
|
|
34
|
|
#: Bound to a UI object at UIInfo construction time
|
|
35
|
11
|
ui = Instance("traitsui.ui.UI", allow_none=True)
|
|
36
|
|
|
|
37
|
|
#: Indicates whether the UI has finished initialization
|
|
38
|
11
|
initialized = Bool(False)
|
|
39
|
|
|
|
40
|
11
|
def bind_context(self):
|
|
41
|
|
""" Binds all of the associated context objects as traits of the
|
|
42
|
|
object.
|
|
43
|
|
"""
|
|
44
|
11
|
for name, value in self.ui.context.items():
|
|
45
|
8
|
self.bind(name, value)
|
|
46
|
|
|
|
47
|
11
|
def bind(self, name, value, id=None):
|
|
48
|
|
""" Binds a name to a value if it is not already bound.
|
|
49
|
|
"""
|
|
50
|
11
|
if id is None:
|
|
51
|
8
|
id = name
|
|
52
|
|
|
|
53
|
11
|
if not hasattr(self, name):
|
|
54
|
8
|
self.add_trait(name, Constant(value))
|
|
55
|
11
|
if id != "":
|
|
56
|
8
|
self.ui._names.append(id)
|