855d5698fbaa7d8e0cb28a671007622fea4c881d
[meabook] / ui / hildon_ui.py
1 """
2 Hildon UI for Meabook
3 """
4
5 import gtk
6 import hildon
7 import gobject
8 import gettext
9 from meabook.ui.ui import MeabookUI
10
11 _ = gettext.gettext
12
13 def create_button(title, value):
14     """Create HildonButton."""
15
16     button = hildon.Button(gtk.HILDON_SIZE_AUTO | \
17         gtk.HILDON_SIZE_FINGER_HEIGHT, \
18         hildon.BUTTON_ARRANGEMENT_VERTICAL, title, value)
19     button.set_style(hildon.BUTTON_STYLE_PICKER)
20     button.set_alignment(0, 0, 0, 0)
21     return button
22
23
24 def create_menu_button(title):
25     return hildon.Button(gtk.HILDON_SIZE_AUTO, \
26         hildon.BUTTON_ARRANGEMENT_HORIZONTAL, title)
27
28
29 class HildonMeabook(MeabookUI):
30     def __init__(self, controller, renderer, config):
31         MeabookUI.__init__(self, controller, renderer, config)
32         self.handler = None
33         self.window = hildon.StackableWindow()
34         self.window.set_title(_('Meabook'))
35         self.window.connect('destroy', self.exit)
36
37         # create menu buttons
38         self.menu = hildon.AppMenu()
39         settings_button = create_menu_button(_('Settings'))
40         about_button = create_menu_button(_('About'))
41         import_button = create_menu_button(_('Import'))
42
43         # create filter widgets and connect signals
44         self.level1_filter = gtk.RadioButton(None, _('level1'))
45         self.level2_filter = gtk.RadioButton(self.level1_filter, _('level2'))
46         self.level3_filter = gtk.RadioButton(self.level2_filter, _('level3'))
47         for filter_widget in [self.level1_filter, self.level2_filter, \
48             self.level3_filter]:
49             filter_widget.set_mode(False)
50             filter_widget.connect('toggled', self.apply_filter_cb)
51
52         # create items list
53         self.selector = hildon.TouchSelector()
54
55         # connect signals
56         settings_button.connect('clicked', self.show_settings_dialog_cb)
57         about_button.connect('clicked', self.show_about_dialog_cb)
58         import_button.connect('clicked', self.show_import_dialog_cb)
59         self.handler = self.selector.connect('changed', self.select_item_cb)
60
61         # packing widgets
62         self.window.add(self.selector)
63         self.menu.add_filter(self.level1_filter)
64         self.menu.add_filter(self.level2_filter)
65         self.menu.add_filter(self.level3_filter)
66         self.menu.append(settings_button)
67         self.menu.append(import_button)
68         self.menu.append(about_button)
69         self.menu.show_all()
70         self.window.set_app_menu(self.menu)
71         self.window.show_all()
72
73     def _unfreeze_ui(self):
74         while gtk.events_pending():
75             gtk.main_iteration(False)
76
77     def _update_title(self, title):
78         if title is not None:
79             self.window.set_title(title)
80
81     def _set_selector_content(self, selector, handler, items):
82         """Updates selector content."""
83
84         # temporary block handler
85         selector.handler_block(handler)
86
87         # setting new content
88         # model: name, internal_name, type
89         model = gtk.ListStore(gobject.TYPE_STRING, gobject.TYPE_INT, \
90             gobject.TYPE_STRING)
91         for name, internal_name, item_type in items:
92             model.append((name, internal_name, item_type))
93         if selector.get_num_columns():
94             selector.remove_column(0)
95         selector.append_text_column(model, False)
96         selector.unselect_all(0)
97
98         # reconnect callback
99         selector.handler_unblock(handler)
100
101     def _show_items_dialog(self, title, items):
102         """Creates dialog with items."""
103
104         selector = hildon.TouchSelector()
105         window = hildon.StackableWindow()
106         window.set_title(title)
107         window.add(selector)
108         handler = selector.connect('changed', self.select_item_cb)
109         self._set_selector_content(selector, handler, items)
110         window.show_all()
111
112     def _show_item_dialog(self, title, entry_id):
113         """Shows detailed item information."""
114
115         def show_settings_dialog(widget, parent, func1, func2, entry_id):
116             dialog = ConfigurationDialog(self.controller, self.config)
117             response = getattr(dialog, func1)(None, parent)
118             if response == gtk.RESPONSE_OK:
119                 func2(parent, entry_id)
120
121         def update_entry(window, entry_id):
122             # create widgets
123             entry = self.controller.get_item(entry_id)
124             widgets_table = gtk.Table(rows=1, columns=1)
125             info_box = gtk.VBox()
126             image_box = gtk.VBox()
127             pannable_area = hildon.PannableArea()
128             pannable_area.set_property('mov-mode', hildon.MOVEMENT_MODE_BOTH)
129             image = self.renderer.render_image(dict(entry))
130             for fname, fvalue in entry:
131                 if fname == 'image':
132                     continue
133                 button = self.renderer.render_button(_(fname) , fvalue, fname)
134                 info_box.pack_start(button, expand=False)
135             # pack widgets
136             image_box.pack_start(image, expand=False)
137             widgets_table.attach(image_box, 0, 1, 0, 1, xoptions=gtk.SHRINK, \
138                 yoptions=gtk.FILL, xpadding=4, ypadding=8)
139             pannable_area.add_with_viewport(info_box)
140             widgets_table.attach(pannable_area, 1, 2, 0, 1, ypadding=8)
141             child = window.get_child()
142             if child:
143                 child.destroy()
144             window.add(widgets_table)
145             widgets_table.show_all()
146
147
148         # create widgets
149         window = hildon.StackableWindow()
150         window.set_title(title)
151         menu = hildon.AppMenu()
152         fields_button = create_menu_button(_('Fields to show'))
153         order_button = create_menu_button(_('Fields order'))
154         fields_button.connect('clicked', show_settings_dialog, window, \
155             'show_fields_settings_cb', update_entry, entry_id)
156         order_button.connect('clicked', show_settings_dialog, window, \
157             'show_order_settings_cb', update_entry, entry_id)
158         menu.append(fields_button)
159         menu.append(order_button)
160
161         update_entry(window, entry_id)
162         window.set_app_menu(menu)
163         menu.show_all()
164         window.show_all()
165
166
167     # Implementation of Base UI interface
168     def start(self):
169         self.apply_filter_cb(self.level1_filter)
170         gtk.main()
171
172     def exit(self, event):
173         gtk.main_quit()
174         self.controller.stop()
175
176     def create_information_dialog(self, title, message):
177         dialog = hildon.Dialog()
178         dialog.set_title(title)
179         label = gtk.Label(message)
180         dialog.vbox.add(label)
181         dialog.vbox.show_all()
182         dialog.run()
183         dialog.destroy()
184
185     def create_about_dialog(self):
186         dialog = hildon.Dialog()
187         dialog.set_title(_('About'))
188         label = gtk.Label('\nMeabook v0.1\n')
189         dialog.vbox.add(label)
190         dialog.vbox.show_all()
191         dialog.run()
192         dialog.destroy()
193
194     def create_import_dialog(self):
195         chooser = gobject.new(hildon.FileChooserDialog, \
196             action=gtk.FILE_CHOOSER_ACTION_OPEN)
197         chooser.set_property('show-files', True)
198         chooser.run()
199         path = chooser.get_filename()
200         chooser.destroy()
201         return path
202
203     def create_progress_dialog(self, title=None):
204         self._update_title(title)
205         self.selector.hide()
206         hildon.hildon_gtk_window_set_progress_indicator(self.window, 1)
207         self._unfreeze_ui()
208
209     def create_configuration_dialog(self, controller, config):
210         dialog = ConfigurationDialog(controller, config)
211         dialog.run()
212
213
214     # Hildon UI callbacks
215     def show_about_dialog_cb(self, widget):
216         """Shows About Dialog."""
217
218         self.controller.show_about_dialog()
219
220     def show_import_dialog_cb(self, widget):
221         """Shows Import Dialog."""
222
223         if self.controller.show_import_dialog():
224             self.apply_filter_cb(self.level1_filter)
225             self.selector.show_all()
226         hildon.hildon_gtk_window_set_progress_indicator(self.window, 0)
227
228     def show_settings_dialog_cb(self, widget):
229         """Shows Config dialog."""
230
231         self.controller.show_configuration_dialog()
232
233     def apply_filter_cb(self, widget):
234         """Updates toplevel selector with different level items."""
235
236         if not widget.get_active():
237             return
238
239         self._update_title(' - '.join([_('Meabook'), widget.get_label()]))
240
241         if widget == self.level1_filter:
242             self._set_selector_content(self.selector, self.handler, \
243                 self.controller.get_all_folders())
244         elif widget == self.level2_filter:
245             self._set_selector_content(self.selector, self.handler, \
246                 self.controller.get_all_subfolders())
247         else:
248             self._set_selector_content(self.selector, self.handler, \
249                 self.controller.get_all_files())
250
251     def select_item_cb(self, widget, column):
252         """
253         Emits when changes selector content.
254         Opens new StackableWindow with new content.
255         """
256
257         selected_item_index = widget.get_active(0)
258         _iter = widget.get_model(0)[selected_item_index]
259         if _iter[2] == 'd':
260             self._show_items_dialog(_iter[0], self.controller.get_items(\
261                 _iter[1]))
262         else:
263             self._show_item_dialog(_iter[0], _iter[1])
264
265
266
267
268 class ConfigurationDialog:
269     """Configuration dialog"""
270
271     def __init__(self, controller, config):
272         self.config = config
273         self.controller = controller
274
275     def run(self):
276         dialog = hildon.Dialog()
277         dialog.set_title(_('Settings'))
278
279         button_order = create_button(_('Fields order'), self._update_value( \
280             None, self.config.get_order()))
281         button_order.connect('clicked', self.show_order_settings_cb, dialog)
282         button_fields = create_button(_('Fields to show'), self._update_value( \
283             None, self.config.get_fields()))
284         button_fields.connect('clicked', self.show_fields_settings_cb, dialog)
285
286         dialog.vbox.pack_start(button_fields, expand=False)
287         dialog.vbox.pack_start(button_order, expand=False)
288         dialog.vbox.show_all()
289         dialog.run()
290         dialog.destroy()
291
292     def _update_value(self, widget, fields):
293         """Updates widget title."""
294
295         value = ', '.join([_(field) for field in fields])
296         if widget is not None:
297             widget.set_value(value)
298         return value
299
300     def show_fields_settings_cb(self, widget, parent):
301         """Shows dialog for selecting fields to show."""
302
303         dialog = hildon.PickerDialog(parent)
304         dialog.set_title(_('Fields to show'))
305         selector = hildon.TouchSelector(text=True)
306
307         fields = self.controller.get_fields()
308         # fill items list
309         for field in fields:
310             selector.append_text(_(field))
311
312         selector.set_column_selection_mode( \
313             hildon.TOUCH_SELECTOR_SELECTION_MODE_MULTIPLE)
314         selector.unselect_all(0)
315
316         # mark necessary fields
317         fields_to_select = self.config.get_fields()
318         model = selector.get_model(0)
319         for index, field in enumerate(fields):
320             if field in fields_to_select:
321                 selector.select_iter(0, model.get_iter(index), False)
322
323         dialog.set_selector(selector)
324         response = dialog.run()
325         if response == gtk.RESPONSE_OK:
326             model = selector.get_model(0)
327             selected_items = [model[index][0] for index in [item[0] for item \
328                 in selector.get_selected_rows(0)]]
329             self.config.set_fields(selected_items)
330             self._update_value(widget, selected_items)
331         dialog.destroy()
332         return response
333
334     def show_order_settings_cb(self, widget, parent):
335         """Shows dialog for setting fields order."""
336
337
338         def show_fields_chooser(widget, parent):
339             """Shows dialog to select field from fields list."""
340
341             dialog = hildon.PickerDialog(parent)
342             dialog.set_title(_('Fields'))
343             selector = hildon.TouchSelector(text=True)
344             dialog.set_selector(selector)
345             selector.set_column_selection_mode( \
346                 hildon.TOUCH_SELECTOR_SELECTION_MODE_SINGLE)
347             # fill fields list
348             for field in self.controller.get_fields():
349                 selector.append_text(field)
350             dialog.run()
351             widget.set_value(selector.get_current_text())
352             dialog.destroy()
353
354
355         dialog = hildon.Dialog()
356         dialog.set_title(_('Fields order'))
357         pannable_area = hildon.PannableArea()
358         pannable_area.set_size_request_policy(hildon.SIZE_REQUEST_CHILDREN)
359
360         vbox = gtk.VBox()
361         for index, field in enumerate(self.config.get_order()):
362             button = create_button(' '.join([_('Position'), str(index)]), \
363                 _(field))
364             button.connect('clicked', show_fields_chooser, dialog)
365             vbox.pack_start(button, expand=False)
366         pannable_area.add_with_viewport(vbox)
367
368         dialog.add_button(_('Done'), gtk.RESPONSE_OK)
369         dialog.vbox.pack_start(pannable_area)
370         dialog.vbox.show_all()
371         response = dialog.run()
372         if response == gtk.RESPONSE_OK:
373             fields = [button.get_value() for button in vbox.get_children()]
374             self.config.set_order(fields)
375             self._update_value(widget, fields)
376         dialog.destroy()
377         return response