more UI work
[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             getattr(dialog, func1)(None, parent)
118             func2(parent, entry_id)
119
120         def update_entry(window, entry_id):
121             # create widgets
122             entry = self.controller.get_item(entry_id)
123             widgets_table = gtk.Table(rows=1, columns=1)
124             info_box = gtk.VBox()
125             image_box = gtk.VBox()
126             pannable_area = hildon.PannableArea()
127             pannable_area.set_property('mov-mode', hildon.MOVEMENT_MODE_BOTH)
128             image = self.renderer.render_image(dict(entry))
129             for fname, fvalue in entry:
130                 button = self.renderer.render_button(_(fname) , fvalue, fname)
131                 info_box.pack_start(button, expand=False)
132             # pack widgets
133             image_box.pack_start(image, expand=False)
134             widgets_table.attach(image_box, 0, 1, 0, 1, xoptions=gtk.SHRINK, \
135                 yoptions=gtk.FILL, xpadding=4, ypadding=8)
136             pannable_area.add_with_viewport(info_box)
137             widgets_table.attach(pannable_area, 1, 2, 0, 1, ypadding=8)
138             child = window.get_child()
139             if child:
140                 child.destroy()
141             window.add(widgets_table)
142             widgets_table.show_all()
143
144
145         # create widgets
146         window = hildon.StackableWindow()
147         window.set_title(title)
148         menu = hildon.AppMenu()
149         fields_button = create_menu_button(_('Fields to show'))
150         order_button = create_menu_button(_('Fields order'))
151         fields_button.connect('clicked', show_settings_dialog, window, \
152             'show_fields_settings_cb', update_entry, entry_id)
153         order_button.connect('clicked', show_settings_dialog, window, \
154             'show_order_settings_cb', update_entry, entry_id)
155         menu.append(fields_button)
156         menu.append(order_button)
157
158         update_entry(window, entry_id)
159         window.set_app_menu(menu)
160         menu.show_all()
161         window.show_all()
162
163
164     # Implementation of Base UI interface
165     def start(self):
166         self.apply_filter_cb(self.level1_filter)
167         gtk.main()
168
169     def exit(self, event):
170         gtk.main_quit()
171         self.controller.stop()
172
173     def create_information_dialog(self, title, message):
174         dialog = hildon.Dialog()
175         dialog.set_title(title)
176         label = gtk.Label(message)
177         dialog.vbox.add(label)
178         dialog.vbox.show_all()
179         dialog.run()
180         dialog.destroy()
181
182     def create_about_dialog(self):
183         dialog = hildon.Dialog()
184         dialog.set_title(_('About'))
185         label = gtk.Label('\nMeabook v0.1\n')
186         dialog.vbox.add(label)
187         dialog.vbox.show_all()
188         dialog.run()
189         dialog.destroy()
190
191     def create_import_dialog(self):
192         chooser = gobject.new(hildon.FileChooserDialog, \
193             action=gtk.FILE_CHOOSER_ACTION_OPEN)
194         chooser.set_property('show-files', True)
195         chooser.run()
196         path = chooser.get_filename()
197         chooser.destroy()
198         return path
199
200     def create_progress_dialog(self, title=None):
201         self._update_title(title)
202         self.selector.hide()
203         hildon.hildon_gtk_window_set_progress_indicator(self.window, 1)
204         self._unfreeze_ui()
205
206     def create_configuration_dialog(self, controller, config):
207         dialog = ConfigurationDialog(controller, config)
208         dialog.run()
209
210
211     # Hildon UI callbacks
212     def show_about_dialog_cb(self, widget):
213         """Shows About Dialog."""
214
215         self.controller.show_about_dialog()
216
217     def show_import_dialog_cb(self, widget):
218         """Shows Import Dialog."""
219
220         if self.controller.show_import_dialog():
221             self.apply_filter_cb(self.level1_filter)
222             self.selector.show_all()
223         hildon.hildon_gtk_window_set_progress_indicator(self.window, 0)
224
225     def show_settings_dialog_cb(self, widget):
226         """Shows Config dialog."""
227
228         self.controller.show_configuration_dialog()
229
230     def apply_filter_cb(self, widget):
231         """Updates toplevel selector with different level items."""
232
233         if not widget.get_active():
234             return
235
236         self._update_title(' - '.join([_('Meabook'), widget.get_label()]))
237
238         if widget == self.level1_filter:
239             self._set_selector_content(self.selector, self.handler, \
240                 self.controller.get_all_folders())
241         elif widget == self.level2_filter:
242             self._set_selector_content(self.selector, self.handler, \
243                 self.controller.get_all_subfolders())
244         else:
245             self._set_selector_content(self.selector, self.handler, \
246                 self.controller.get_all_files())
247
248     def select_item_cb(self, widget, column):
249         """
250         Emits when changes selector content.
251         Opens new StackableWindow with new content.
252         """
253
254         selected_item_index = widget.get_active(0)
255         _iter = widget.get_model(0)[selected_item_index]
256         if _iter[2] == 'd':
257             self._show_items_dialog(_iter[0], self.controller.get_items(\
258                 _iter[1]))
259         else:
260             self._show_item_dialog(_iter[0], _iter[1])
261
262
263
264
265 class ConfigurationDialog:
266     """Configuration dialog"""
267
268     def __init__(self, controller, config):
269         self.config = config
270         self.controller = controller
271
272     def run(self):
273         dialog = hildon.Dialog()
274         dialog.set_title(_('Settings'))
275
276         button_order = create_button(_('Fields order'), self._update_value( \
277             None, self.config.get_order()))
278         button_order.connect('clicked', self.show_order_settings_cb, dialog)
279         button_fields = create_button(_('Fields to show'), self._update_value( \
280             None, self.config.get_fields()))
281         button_fields.connect('clicked', self.show_fields_settings_cb, dialog)
282
283         dialog.vbox.pack_start(button_fields, expand=False)
284         dialog.vbox.pack_start(button_order, expand=False)
285         dialog.vbox.show_all()
286         dialog.run()
287         dialog.destroy()
288
289     def _update_value(self, widget, fields):
290         """Updates widget title."""
291
292         value = ', '.join([_(field) for field in fields])
293         if widget is not None:
294             widget.set_value(value)
295         return value
296
297     def show_fields_settings_cb(self, widget, parent):
298         """Shows dialog for selecting fields to show."""
299
300         dialog = hildon.PickerDialog(parent)
301         dialog.set_title(_('Fields to show'))
302         selector = hildon.TouchSelector(text=True)
303
304         fields = self.controller.get_fields()
305         # fill items list
306         for field in fields:
307             selector.append_text(_(field))
308
309         selector.set_column_selection_mode( \
310             hildon.TOUCH_SELECTOR_SELECTION_MODE_MULTIPLE)
311         selector.unselect_all(0)
312
313         # mark necessary fields
314         fields_to_select = self.config.get_fields()
315         model = selector.get_model(0)
316         for index, field in enumerate(fields):
317             if field in fields_to_select:
318                 selector.select_iter(0, model.get_iter(index), False)
319
320         dialog.set_selector(selector)
321         response = dialog.run()
322         if response == gtk.RESPONSE_OK:
323             model = selector.get_model(0)
324             selected_items = [model[index][0] for index in [item[0] for item \
325                 in selector.get_selected_rows(0)]]
326             self.config.set_fields(selected_items)
327             self._update_value(widget, selected_items)
328         dialog.destroy()
329
330     def show_order_settings_cb(self, widget, parent):
331         """Shows dialog for setting fields order."""
332
333
334         def show_fields_chooser(widget, parent):
335             """Shows dialog to select field from fields list."""
336
337             dialog = hildon.PickerDialog(parent)
338             dialog.set_title(_('Fields'))
339             selector = hildon.TouchSelector(text=True)
340             dialog.set_selector(selector)
341             selector.set_column_selection_mode( \
342                 hildon.TOUCH_SELECTOR_SELECTION_MODE_SINGLE)
343             # fill fields list
344             for field in self.controller.get_fields():
345                 selector.append_text(field)
346             dialog.run()
347             widget.set_value(selector.get_current_text())
348             dialog.destroy()
349
350
351         dialog = hildon.Dialog()
352         dialog.set_title(_('Fields order'))
353         pannable_area = hildon.PannableArea()
354         pannable_area.set_size_request_policy(hildon.SIZE_REQUEST_CHILDREN)
355
356         vbox = gtk.VBox()
357         for index, field in enumerate(self.config.get_order()):
358             button = create_button(' '.join([_('Position'), str(index)]), \
359                 _(field))
360             button.connect('clicked', show_fields_chooser, dialog)
361             vbox.pack_start(button, expand=False)
362         pannable_area.add_with_viewport(vbox)
363
364         dialog.add_button(_('Done'), gtk.RESPONSE_OK)
365         dialog.vbox.pack_start(pannable_area)
366         dialog.vbox.show_all()
367         response = dialog.run()
368         if response == gtk.RESPONSE_OK:
369             fields = [button.get_value() for button in vbox.get_children()]
370             self.config.set_order(fields)
371             self._update_value(widget, fields)
372         dialog.destroy()