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
|
# Enthought library imports.
from traits.api import Any, DelegatesTo, HasTraits, Instance, Interface, \
provides
class ITaskWindowBackend(Interface):
""" The TaskWindow layout interface.
TaskWindow delegates to an ITaskWindowBackend object for toolkit-specific
layout functionality.
"""
#: The root control of the TaskWindow to which the layout belongs.
control = Any
#: The TaskWindow to which the layout belongs.
window = Instance('pyface.tasks.task_window.TaskWindow')
###########################################################################
# 'ITaskWindowBackend' interface.
###########################################################################
def create_contents(self, parent):
""" Create and return the TaskWindow's contents. (See IWindow.)
"""
def destroy(self):
""" Destroy the backend.
Note that TaskWindow will destroy the widget created in create_contents,
but this method may be used to perform additional cleanup.
"""
def hide_task(self, state):
""" Assuming the specified TaskState is active, hide its controls.
"""
def show_task(self, state):
""" Assuming no task is currently active, show the controls of the
specified TaskState.
"""
#### Methods for saving and restoring the layout ##########################
def get_layout(self):
""" Returns a TaskLayout for the current state of the window.
"""
def set_layout(self, layout):
""" Applies a TaskLayout (which should be suitable for the active task)
to the window.
"""
@provides(ITaskWindowBackend)
class MTaskWindowBackend(HasTraits):
""" Mixin containing common coe for toolkit-specific implementations.
"""
#### 'ITaskWindowBackend' interface #######################################
control = DelegatesTo('window')
window = Instance('pyface.tasks.task_window.TaskWindow')
###########################################################################
# 'ITaskWindowBackend' interface.
###########################################################################
def create_contents(self, parent):
raise NotImplementedError
def destroy(self):
pass
def hide_task(self, state):
raise NotImplementedError
def show_task(self, state):
raise NotImplementedError
def get_layout(self):
raise NotImplementedError
def set_layout(self, layout):
raise NotImplementedError
|
