~ubuntu-branches/ubuntu/hardy/emesene/hardy-backports

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
# -*- coding: utf-8 -*-

#   This file is part of emesene.
#
#    Emesene is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    emesene is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with emesene; if not, write to the Free Software
#    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

'''module that implements abstract.ConfigDialog using Gtk'''

import gtk

from abstract.ConfigDialog import *
import dialog

BUILDERS = {}

def build_generic(element):
    '''build and return the element'''
    if type(element) in BUILDERS:
        return BUILDERS[type(element)](element)
    else:
        raise ValueError("unknown type of element")

def _text_cb(widget, element):
    '''method called when the value of the widget is changed, set the value
    of the text to the element'''
    element.value = widget.get_text()

def _checkbox_cb(widget, element):
    '''method called when the element is toggled, change the value of the 
    element'''
    element.value = widget.get_active()

def _radio_cb(widget, element):
    '''method called when a radio element is toggled, change the selected
    value to the identifier of that radio'''
    if not widget.get_active():
        return

    index = list(element.labels).index(widget.get_label())
    element.value = element.identifiers[index]

def build_text(element, spacing=2, border=2, visibility=True):
    '''build a Text object'''
    hbox = gtk.HBox(spacing=spacing)
    hbox.set_border_width(border)
    label = gtk.Label(element.label)
    entry = gtk.Entry()
    entry.set_text(element.value)
    entry.set_visibility(visibility)
    entry.connect("changed", _text_cb, element)

    hbox.pack_start(label, True, True)
    hbox.pack_start(entry, True, True)

    return hbox

def build_password(element, spacing=2, border=2):
    '''build a Text object'''
    return build_text(element, spacing, border, False) 

def build_checkbox(element):
    '''build a checkbox'''
    checkbox = gtk.CheckButton(element.label)
    checkbox.set_active(element.value)
    checkbox.connect("toggled", _checkbox_cb, element)

    return checkbox

def build_radiogroup(element, spacing=2, border=2):
    '''build a radio group'''
    first_radio = gtk.RadioButton(None, element.labels[0])
    first_radio.connect("toggled", _radio_cb, element)
    vbox = gtk.VBox(spacing=spacing)
    vbox.set_border_width(border)
    vbox.pack_start(first_radio, True, True)

    if element.selected_index == 0:
        first_radio.set_selected(True)

    for (index, label) in enumerate(element.labels[1:]):
        radio = gtk.RadioButton(first_radio, label)
        radio.connect("toggled", _radio_cb, element)

        if index + 1 == element.selected_index:
            radio.set_active(True)

        vbox.pack_start(radio, True, True)

    return vbox

def build_group(element, spacing=2, border=2):
    '''build a group'''
    vbox = gtk.VBox(spacing=spacing)
    vbox.set_border_width(border)

    for elem in element.items:
        vbox.pack_start(build_generic(elem))

    if element.label:
        frame = gtk.Frame(element.label)
        frame.add(vbox)
        return frame
    else:
        return vbox

def build_tab(element, spacing=2, border=2):
    '''build a tab'''
    vbox = gtk.VBox(spacing=spacing)
    vbox.set_border_width(border)

    for elem in element.items:
        vbox.pack_start(build_generic(elem))

    return vbox

def build_tabgroup(element, spacing=2, border=2):
    '''build a tabgroup'''
    notebook = gtk.Notebook()

    for tab in element.items:
        notebook.append_page(build_generic(tab), gtk.Label(tab.label))

    return notebook

def _ok_clicked_cb(button, window, element):
    '''called when the ok button is clicked'''
    if _on_close(element):
        window.hide()

def _close_cb(window, event, element):
    '''called when the dialog is closed, element is the root container
    will call to on_last_change to inform that is the last change'''
    if _on_close(element):
        window.hide()

    return True # stop the window from being destroyed (you can reuse the 
    # window if you mantain a reference to it)

def _on_close(element):
    '''calidate the fields and display a dialog if something is not 
    valid and return False, if all validated, return True'''
    (validated, message, element) = element.validate()

    if not validated:
        tmp = {
            'identifier': element.identifier,
            'value': element.value,
            'message': message,
        }
        dialog.error(_("Field '%(identifier)s ('%(value)s') not valid\n" \
            "'%(message)s'" % tmp))
        return False
    else:
        element.on_last_change()
        return True

def build(element, spacing=2, border=2):
    '''build a window and return it'''

    window = gtk.Window()
    vbox = gtk.VBox(spacing=spacing)
    vbox.set_border_width(border)

    button_box = gtk.HButtonBox()
    button_box.set_layout(gtk.BUTTONBOX_END)
    ok_button = gtk.Button(stock=gtk.STOCK_OK)
    ok_button.connect("clicked", _ok_clicked_cb, window, element)
    button_box.pack_start(ok_button)

    vbox.pack_start(build_generic(element), True, True)
    vbox.pack_start(button_box, False)

    window.add(vbox)
    vbox.show_all()
    window.connect("delete-event", _close_cb, element)

    return window

BUILDERS[Text] = build_text
BUILDERS[Password] = build_password
BUILDERS[CheckBox] = build_checkbox
BUILDERS[RadioGroup] = build_radiogroup
BUILDERS[Group] = build_group
BUILDERS[Tab] = build_tab
BUILDERS[TabGroup] = build_tabgroup