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comparison frontends/primitivus/custom_widgets.py @ 0:cb72fb2bfa0d

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Primitivus: profile manager - new custom widgets: Password, List, GenericDialog, InputDialog, ConfirmationDialog
author Goffi <goffi@goffi.org>
date Thu, 01 Jul 2010 15:35:56 +0800
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children a5c9603dac37
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-1:000000000000 0:cb72fb2bfa0d
1 #!/usr/bin/python
2 # -*- coding: utf-8 -*-
3
4 """
5 Primitivus: a SAT frontend
6 Copyright (C) 2009, 2010 Jérôme Poisson (goffi@goffi.org)
7
8 This program is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 """
21
22 import urwid
23
24 class Password(urwid.Edit):
25
26 def __init__(self, *args, **kwargs):
27 self.hidden_char=kwargs['hidden_char'] if kwargs.has_key('hidden_char') else '*'
28 self.__real_text=''
29 super(Password, self).__init__(*args, **kwargs)
30
31 def set_edit_text(self, text):
32 self.__real_text = text
33 hidden_txt = len(text)*'*'
34 super(Password, self).set_edit_text(hidden_txt)
35
36 def get_edit_text(self):
37 return self.__real_text
38
39 class SelectableText(urwid.FlowWidget):
40 signals = ['change']
41
42 def __init__(self, text, align='left'):
43 self.text=unicode(text)
44 self.align = align
45 self.__selected=False
46
47 def getValue(self):
48 return self.text
49
50 def setState(self, selected, invisible=False):
51 """Change state
52 @param selected: boolean state value
53 @param invisible: don't emit change signal if True"""
54 assert(type(selected)==bool)
55 self.__selected=selected
56 if not invisible:
57 self._emit("change", self.__selected)
58 self._invalidate()
59
60 def getState(self):
61 return self.__selected
62
63 def selectable(self):
64 return True
65
66 def keypress(self, size, key):
67 if key==' ' or key=='enter':
68 self.setState(not self.__selected)
69 else:
70 return key
71
72 def rows(self,size,focus=False):
73 return self.display_widget(size, focus).rows(size, focus)
74
75 def render(self, size, focus=False):
76 return self.display_widget(size, focus).render(size, focus)
77
78 def display_widget(self, size, focus):
79 attr = 'selected' if self.__selected else 'default'
80 if focus:
81 attr+="_focus"
82 return urwid.Text((attr,self.text), align=self.align)
83
84 class List(urwid.WidgetWrap):
85 signals = ['change']
86
87 def __init__(self, options, style=[], align='left', on_state_change=None, user_data=None):
88 assert(options)
89 self.single = 'single' in style
90 self.align = align
91
92 if on_state_change:
93 urwid.connect_signal(self, 'change', on_state_change, user_data)
94
95 widgets = [SelectableText(option,align) for option in options]
96 for widget in widgets:
97 urwid.connect_signal(widget, 'change', self.__onStateChange)
98 self.content = urwid.SimpleListWalker(widgets)
99 self.list_box = urwid.ListBox(self.content)
100 if self.single:
101 self.content[0].setState(True)
102 display_widget = urwid.BoxAdapter(self.list_box, min(len(options),5))
103
104 urwid.WidgetWrap.__init__(self, display_widget)
105
106 def __onStateChange(self, widget, selected):
107 if self.single:
108 if not selected:
109 #if in single mode, it's forbidden to unselect a value
110 widget.setState(True, invisible=True)
111 return
112 else:
113 self.unselectAll(invisible=True)
114 widget.setState(True, invisible=True)
115 self._emit("change")
116
117
118 def unselectAll(self, invisible=False):
119 for widget in self.content:
120 if widget.getState():
121 widget.setState(False, invisible)
122 widget._invalidate()
123
124 def getValues(self):
125 result = []
126 for widget in self.content:
127 if widget.getState():
128 result.append(widget.getValue())
129 return result
130
131 def changeValues(self, new_values):
132 widgets = [SelectableText(self, option) for option in new_values]
133 self.content[:] = widgets
134
135 def selectValue(self, value):
136 self.unselectAll()
137 idx = 0
138 for widget in self.content:
139 if widget.getValue() == value:
140 widget.setState(True)
141 self.list_box.set_focus(idx)
142 return
143 idx+=1
144
145 class genericDialog(urwid.WidgetWrap):
146
147 def __init__(self, widgets_lst, title, style=[], **kwargs):
148 frame_header = urwid.AttrMap(urwid.Text(title,'center'),'title')
149
150 buttons = None
151
152 if "OK/CANCEL" in style:
153 buttons = [urwid.Button(_("Cancel"), kwargs['cancel_cb']),
154 urwid.Button(_("Ok"), kwargs['ok_cb'], kwargs['ok_value'])]
155 elif "YES/NO" in style:
156 buttons = [urwid.Button(_("Yes"), kwargs['yes_cb']),
157 urwid.Button(_("No"), kwargs['no_cb'], kwargs['yes_value'])]
158 if buttons:
159 buttons_flow = urwid.GridFlow(buttons, max([len(button.get_label()) for button in buttons])+4, 1, 1, 'center')
160 widgets_lst.append(buttons_flow)
161 body_content = urwid.SimpleListWalker(widgets_lst)
162 frame_body = urwid.ListBox(body_content)
163 frame = urwid.Frame(frame_body, frame_header)
164 decorated_frame = urwid.LineBox(frame)
165 urwid.WidgetWrap.__init__(self, decorated_frame)
166
167
168
169 class InputDialog(genericDialog):
170
171 def __init__(self, title, instrucions, style=['OK/CANCEL'], **kwargs):
172 instr_wid = urwid.Text(instrucions+':')
173 edit_box = urwid.Edit()
174 genericDialog.__init__(self, [instr_wid,edit_box], title, style, ok_value=edit_box, **kwargs)
175
176 class ConfirmDialog(genericDialog):
177
178 def __init__(self, title, style=['YES/NO'], **kwargs):
179 genericDialog.__init__(self, [], title, style, yes_value=None, **kwargs)