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
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
|
# Copyright (C) 2009 Canonical
#
# Authors:
# Michael Vogt
#
# This program 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; version 3.
#
# This program 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
# this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import atk
import cairo
import dbus
import gettext
import dialogs
import gobject
import gtk
import logging
import xapian
import copy
from gettext import gettext as _
from widgets.mkit import floats_from_string
from widgets.pathbar_gtk_atk import NavigationBar
from widgets.searchentry import SearchEntry
from widgets.actionbar import ActionBar
from widgets.spinner import SpinnerView
from softwarecenter.enums import NAV_BUTTON_ID_SUBCAT
import softwarecenter.utils
from softwarecenter.backend import get_install_backend
from softwarecenter.enums import (
ACTION_BUTTON_ADD_TO_LAUNCHER,
ACTION_BUTTON_CANCEL_ADD_TO_LAUNCHER,
NAV_BUTTON_ID_DETAILS,
NAV_BUTTON_ID_LIST,
NAV_BUTTON_ID_PURCHASE,
NAV_BUTTON_ID_SEARCH,
SORT_BY_ALPHABET,
SORT_BY_SEARCH_RANKING,
TRANSACTION_TYPE_INSTALL
)
from softwarecenter.utils import (convert_desktop_file_to_installed_location,
get_file_path_from_iconname,
wait_for_apt_cache_ready
)
from basepane import BasePane
from appview import AppView, AppStore
from purchaseview import PurchaseView
#if "SOFTWARE_CENTER_APPDETAILS_WEBKIT" in os.environ:
# from appdetailsview_webkit import AppDetailsViewWebkit as AppDetailsView
#else:
from appdetailsview_gtk import AppDetailsViewGtk as AppDetailsView
from softwarecenter.db.database import Application
LOG = logging.getLogger(__name__)
class SoftwareSection(object):
MASK_SURFACE_CACHE = {}
def __init__(self):
self._image_id = 0
self._section_icon = None
self._section_color = None
return
def render(self, cr, widget, a):
# sky
r,g,b = self._section_color
lin = cairo.LinearGradient(0,a.y,0,a.y+150)
lin.add_color_stop_rgba(0, r,g,b, 0.3)
lin.add_color_stop_rgba(1, r,g,b,0)
cr.set_source(lin)
cr.rectangle(0,0,a.width, 150)
cr.fill()
# there is a race here because we create e.g. the installed-page
# delayed. if its not created yet, we just do not show a image
# until its available
if self._image_id in self.MASK_SURFACE_CACHE:
s = self.MASK_SURFACE_CACHE[self._image_id]
else:
s = cairo.ImageSurface(0, 64, 64)
if widget.get_direction() != gtk.TEXT_DIR_RTL:
cr.set_source_surface(s, a.x+a.width-s.get_width(), 0)
else:
cr.set_source_surface(s, a.x, 0)
cr.paint()
return
def set_icon(self, icon):
self._section_icon = icon
return
def set_image(self, id, path):
image = cairo.ImageSurface.create_from_png(path)
self._image_id = id
self.MASK_SURFACE_CACHE[id] = image
return
def set_image_id(self, id):
self._image_id = id
return
def set_color(self, color_spec):
color = floats_from_string(color_spec)
self._section_color = color
return
def get_image(self):
return self.MASK_SURFACE_CACHE[self._image_id]
class UnityLauncherInfo(object):
""" Simple class to keep track of application details needed for
Unity launcher integration
"""
def __init__(self,
name,
icon_name,
icon_file_path,
icon_x,
icon_y,
icon_size,
app_install_desktop_file_path,
installed_desktop_file_path,
trans_id):
self.name = name
self.icon_name = icon_name
self.icon_file_path = icon_file_path
self.icon_x = icon_x
self.icon_y = icon_y
self.icon_size = icon_size
self.app_install_desktop_file_path = app_install_desktop_file_path
self.installed_desktop_file_path = installed_desktop_file_path
self.trans_id = trans_id
self.add_to_launcher_requested = False
class SoftwarePane(gtk.VBox, BasePane):
""" Common base class for InstalledPane, AvailablePane and ChannelPane"""
__gsignals__ = {
"app-list-changed" : (gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
(int, ),
),
}
PADDING = 6
# pages for the spinner notebook
(PAGE_APPVIEW,
PAGE_SPINNER) = range(2)
def __init__(self, cache, db, distro, icons, datadir, show_ratings=False):
gtk.VBox.__init__(self)
BasePane.__init__(self)
# other classes we need
self.cache = cache
self.db = db
self.distro = distro
self.icons = icons
self.datadir = datadir
self.show_ratings = show_ratings
self.backend = get_install_backend()
self.nonapps_visible = AppStore.NONAPPS_MAYBE_VISIBLE
# refreshes can happen out-of-bound so we need to be sure
# that we only set the new model (when its available) if
# the refresh_seq_nr of the ready model matches that of the
# request (e.g. people click on ubuntu channel, get impatient, click
# on partner channel)
self.refresh_seq_nr = 0
# data for the refresh_apps()
self.channel = None
self.apps_category = None
self.apps_subcategory = None
self.apps_search_term = None
# keep track of applications that are candidates to be added
# to the Unity launcher
self.unity_launcher_items = {}
# Create the basic frame for the common view
# navigation bar and search on top in a hbox
self.navigation_bar = NavigationBar()
self.searchentry = SearchEntry()
self.init_atk_name(self.searchentry, "searchentry")
self.top_hbox = gtk.HBox(spacing=self.PADDING)
self.top_hbox.set_border_width(self.PADDING)
self.top_hbox.pack_start(self.navigation_bar)
self.top_hbox.pack_start(self.searchentry, expand=False)
self.pack_start(self.top_hbox, expand=False)
#self.pack_start(gtk.HSeparator(), expand=False)
# a notebook below
self.notebook = gtk.Notebook()
self.notebook.set_show_tabs(False)
self.notebook.set_show_border(False)
# make a spinner view to display while the applist is loading
self.spinner_view = SpinnerView()
self.spinner_notebook = gtk.Notebook()
self.spinner_notebook.set_show_tabs(False)
self.spinner_notebook.set_show_border(False)
self.spinner_notebook.append_page(self.notebook)
self.spinner_notebook.append_page(self.spinner_view)
self.pack_start(self.spinner_notebook)
# add a bar at the bottom (hidden by default) for contextual actions
self.action_bar = ActionBar()
self.pack_start(self.action_bar, expand=False)
# connect events to allow us to draw separator lines, one at the bottom of
# the top_hbox and another at the top of the action bar
self.top_hbox.connect('expose-event', self._draw_top_hbox_separator)
self.action_bar.connect('expose-event', self._draw_action_bar_separator)
self.action_bar.connect('size-allocate', self._draw_action_bar_separator)
# cursor
self.busy_cursor = gtk.gdk.Cursor(gtk.gdk.WATCH)
def init_view(self):
"""
Initialize those UI components that are common to all subclasses of
SoftwarePane. Note that this method is intended to be called by
the subclass itself at the start of its own init_view() implementation.
"""
# common UI elements (applist and appdetails)
# its the job of the Child class to put it into a good location
# list
self.label_app_list_header = gtk.Label()
self.label_app_list_header.set_alignment(0.1, 0.5)
self.label_app_list_header.connect(
"activate-link", self._on_label_app_list_header_activate_link)
self.box_app_list = gtk.VBox()
self.box_app_list.pack_start(
self.label_app_list_header, expand=False, fill=False, padding=12)
self.app_view = AppView(self.show_ratings)
self.init_atk_name(self.app_view, "app_view")
self.scroll_app_list = gtk.ScrolledWindow()
self.scroll_app_list.set_policy(gtk.POLICY_AUTOMATIC,
gtk.POLICY_AUTOMATIC)
self.scroll_app_list.add(self.app_view)
self.box_app_list.pack_start(self.scroll_app_list)
self.app_view.connect("application-selected",
self.on_application_selected)
self.app_view.connect("application-activated",
self.on_application_activated)
# details
self.scroll_details = gtk.ScrolledWindow()
self.scroll_details.set_policy(gtk.POLICY_AUTOMATIC,
gtk.POLICY_AUTOMATIC)
self.app_details_view = AppDetailsView(self.db,
self.distro,
self.icons,
self.cache,
self.datadir,
self)
self.app_details_view.connect("purchase-requested",
self.on_purchase_requested)
self.scroll_details.add(self.app_details_view)
# purchase view
self.purchase_view = PurchaseView()
self.purchase_view.connect("purchase-succeeded", self.on_purchase_succeeded)
self.purchase_view.connect("purchase-failed", self.on_purchase_failed)
self.purchase_view.connect("purchase-cancelled-by-user", self.on_purchase_cancelled_by_user)
# when the cache changes, refresh the app list
self.cache.connect("cache-ready", self.on_cache_ready)
# aptdaemon
self.backend.connect("transaction-started", self.on_transaction_started)
self.backend.connect("transaction-finished", self.on_transaction_finished)
self.backend.connect("transaction-stopped", self.on_transaction_stopped)
# connect signals
self.searchentry.connect("terms-changed", self.on_search_terms_changed)
self.connect("app-list-changed", self.on_app_list_changed)
# db reopen
if self.db:
self.db.connect("reopen", self.on_db_reopen)
def _draw_top_hbox_separator(self, widget, event):
""" Draw a horizontal line that separates the top hbox from the page content """
if (widget.allocation and widget.window):
a = widget.allocation
self.style.paint_shadow(widget.window, self.state,
gtk.SHADOW_IN,
(a.x, a.y+a.height-1, a.width, 1),
widget, "viewport",
a.x, a.y+a.height-1,
a.width, a.y+a.height-1)
return
def _draw_action_bar_separator(self, widget, event):
""" Draw a horizontal line that separates the top of the action bar from the page content """
if (widget.allocation and widget.window):
a = widget.allocation
self.style.paint_shadow(widget.window, self.state,
gtk.SHADOW_IN,
(a.x, a.y, a.width, 1),
widget, "viewport",
a.x, a.y,
a.width, 1)
return
def init_atk_name(self, widget, name):
""" init the atk name for a given gtk widget based on parent-pane
and variable name (used for the mago tests)
"""
name = self.__class__.__name__ + "." + name
atk.Object.set_name(widget.get_accessible(), name)
def on_cache_ready(self, cache):
" refresh the application list when the cache is re-opened "
LOG.debug("on_cache_ready")
# it only makes sense to refresh if there is something to
# refresh, otherwise we create a bunch of (not yet needed)
# AppStore objects on startup when the cache sends its
# initial "cache-ready" signal
model = self.app_view.get_model()
if model is None:
return
# FIXME: preserve selection too
# get previous vadjustment and reapply it
vadj = self.scroll_app_list.get_vadjustment()
self.refresh_apps()
# needed otherwise we jump back to the beginning of the table
if vadj:
vadj.value_changed()
@wait_for_apt_cache_ready
def on_application_activated(self, appview, app):
"""callback when an app is clicked"""
LOG.debug("on_application_activated: '%s'" % app)
details = app.get_details(self.db)
self.navigation_bar.add_with_id(details.display_name,
self.on_navigation_details,
NAV_BUTTON_ID_DETAILS)
self.notebook.set_current_page(self.PAGE_APP_DETAILS)
self.app_details_view.show_app(app)
def on_purchase_requested(self, widget, app, url):
self.navigation_bar.add_with_id(_("Buy"),
self.on_navigation_purchase,
NAV_BUTTON_ID_PURCHASE)
self.appdetails = app.get_details(self.db)
iconname = self.appdetails.icon
self.purchase_view.initiate_purchase(app, iconname, url)
def on_purchase_succeeded(self, widget):
# switch to the details page to display the transaction is in progress
self.notebook.set_current_page(self.PAGE_APP_DETAILS)
self.navigation_bar.remove_id(NAV_BUTTON_ID_PURCHASE)
def on_purchase_failed(self, widget):
# return to the the appdetails view via the button to reset it
self._click_appdetails_view()
dialogs.error(None,
_("Failure in the purchase process."),
_("Sorry, something went wrong. Your payment "
"has been cancelled."))
def on_purchase_cancelled_by_user(self, widget):
# return to the the appdetails view via the button to reset it
self._click_appdetails_view()
def _click_appdetails_view(self):
details_button = self.navigation_bar.get_button_from_id(NAV_BUTTON_ID_DETAILS)
if details_button:
self.navigation_bar.set_active(details_button)
def on_transaction_started(self, backend, pkgname, appname, trans_id,
trans_type):
self._register_unity_launcher_transaction_started(
backend, pkgname, appname, trans_id, trans_type)
def _get_onscreen_icon_details_for_launcher_service(self, app):
if self.is_app_details_view_showing():
return self.app_details_view.get_app_icon_details()
else:
# TODO: implement the app list view case once it has been specified
return (0, 0, 0)
def _register_unity_launcher_transaction_started(self, backend, pkgname,
appname, trans_id,
trans_type):
# mvo: use use softwarecenter.utils explictely so that we can monkey
# patch it in the test
if not softwarecenter.utils.is_unity_running():
return
# add to launcher only applies in the details view currently
if not self.is_app_details_view_showing():
return
# we only care about getting the launcher information on an install
if not trans_type == TRANSACTION_TYPE_INSTALL:
if pkgname in self.unity_launcher_items:
self.unity_launcher_items.pop(pkgname)
self.action_bar.clear()
return
# gather details for this transaction and create the launcher_info object
app = Application(pkgname=pkgname, appname=appname)
appdetails = app.get_details(self.db)
(icon_size, icon_x, icon_y) = self._get_onscreen_icon_details_for_launcher_service(app)
launcher_info = UnityLauncherInfo(app.name,
appdetails.icon,
"", # we set the icon_file_path value *after* install
icon_x,
icon_y,
icon_size,
appdetails.desktop_file,
"", # we set the installed_desktop_file_path *after* install
trans_id)
self.unity_launcher_items[app.pkgname] = launcher_info
self.show_add_to_launcher_panel(backend, pkgname, appname, app, appdetails, trans_id, trans_type)
def show_add_to_launcher_panel(self, backend, pkgname, appname, app, appdetails, trans_id, trans_type):
"""
if Unity is currently running, display a panel to allow the user
the choose whether to add a newly-installed application to the
launcher
"""
# TODO: handle local deb install case
# TODO: implement the list view case (once it is specified)
# only show the panel if unity is running and this is a package install
#
# we only show the prompt for apps with a desktop file
if not appdetails.desktop_file:
return
self.action_bar.add_button(ACTION_BUTTON_CANCEL_ADD_TO_LAUNCHER,
_("Not Now"),
self.on_cancel_add_to_launcher,
pkgname)
self.action_bar.add_button(ACTION_BUTTON_ADD_TO_LAUNCHER,
_("Add to Launcher"),
self.on_add_to_launcher,
pkgname,
app,
appdetails,
trans_id)
self.action_bar.set_label(_("Add %s to the launcher?") % app.name)
def on_add_to_launcher(self, pkgname, app, appdetails, trans_id):
"""
callback indicating the user has chosen to add the indicated application
to the launcher
"""
if pkgname in self.unity_launcher_items:
launcher_info = self.unity_launcher_items[pkgname]
if launcher_info.installed_desktop_file_path:
# package install is complete, we can add to the launcher immediately
self.unity_launcher_items.pop(pkgname)
self.action_bar.clear()
self._send_dbus_signal_to_unity_launcher(launcher_info)
else:
# package is not yet installed, it will be added to the launcher
# once the installation is complete
LOG.debug("the application '%s' will be added to the Unity launcher when installation is complete" % app.name)
launcher_info.add_to_launcher_requested = True
self.action_bar.set_label(_("%s will be added to the launcher when installation completes.") % app.name)
self.action_bar.remove_button(ACTION_BUTTON_CANCEL_ADD_TO_LAUNCHER)
self.action_bar.remove_button(ACTION_BUTTON_ADD_TO_LAUNCHER)
def on_cancel_add_to_launcher(self, pkgname):
if pkgname in self.unity_launcher_items:
self.unity_launcher_items.pop(pkgname)
self.action_bar.clear()
def on_transaction_finished(self, backend, result):
self._check_unity_launcher_transaction_finished(result)
def _check_unity_launcher_transaction_finished(self, result):
# add the completed transaction details to the corresponding
# launcher_item
if result.pkgname in self.unity_launcher_items:
launcher_info = self.unity_launcher_items[result.pkgname]
launcher_info.icon_file_path = get_file_path_from_iconname(
self.icons, launcher_info.icon_name)
installed_path = convert_desktop_file_to_installed_location(
launcher_info.app_install_desktop_file_path, result.pkgname)
launcher_info.installed_desktop_file_path = installed_path
# if the request to add to launcher has already been made, do it now
if launcher_info.add_to_launcher_requested:
if result.success:
self._send_dbus_signal_to_unity_launcher(launcher_info)
self.unity_launcher_items.pop(result.pkgname)
self.action_bar.clear()
def _send_dbus_signal_to_unity_launcher(self, launcher_info):
LOG.debug("sending dbus signal to Unity launcher for application: ", launcher_info.name)
LOG.debug(" launcher_info.icon_file_path: ", launcher_info.icon_file_path)
LOG.debug(" launcher_info.installed_desktop_file_path: ", launcher_info.installed_desktop_file_path)
LOG.debug(" launcher_info.trans_id: ", launcher_info.trans_id)
try:
bus = dbus.SessionBus()
launcher_obj = bus.get_object('com.canonical.Unity.Launcher',
'/com/canonical/Unity/Launcher')
launcher_iface = dbus.Interface(launcher_obj, 'com.canonical.Unity.Launcher')
launcher_iface.AddLauncherItemFromPosition(launcher_info.name,
launcher_info.icon_file_path,
launcher_info.icon_x,
launcher_info.icon_y,
launcher_info.icon_size,
launcher_info.installed_desktop_file_path,
launcher_info.trans_id)
except Exception, e:
LOG.warn("could not send dbus signal to the Unity launcher: (%s)", e)
def on_transaction_stopped(self, backend, result):
if result.pkgname in self.unity_launcher_items:
self.unity_launcher_items.pop(result.pkgname)
self.action_bar.clear()
def show_appview_spinner(self):
""" display the spinner in the appview panel """
if not self.apps_search_term:
self.action_bar.clear()
self.spinner_view.stop()
self.spinner_notebook.set_current_page(self.PAGE_SPINNER)
# "mask" the spinner view momentarily to prevent it from flashing into
# view in the case of short delays where it isn't actually needed
gobject.timeout_add(100, self._unmask_appview_spinner)
def _unmask_appview_spinner(self):
self.spinner_view.start()
def hide_appview_spinner(self):
""" hide the spinner and display the appview in the panel """
self.spinner_view.stop()
self.spinner_notebook.set_current_page(self.PAGE_APPVIEW)
def set_section(self, section):
self.section = section
self.app_details_view.set_section(section)
return
def section_sync(self):
self.app_details_view.set_section(self.section)
return
def on_app_list_changed(self, pane, length):
"""internal helper that keeps the the action bar up-to-date by
keeping track of the app-list-changed signals
"""
self.update_show_hide_nonapps()
self.update_search_help()
def update_show_hide_nonapps(self):
"""
update the state of the show/hide non-applications control
in the action_bar
"""
appstore = self.app_view.get_model()
if not appstore:
self.action_bar.unset_label()
return
# calculate the number of apps/pkgs
pkgs = 0
apps = 0
if appstore.active:
if appstore.limit > 0 and appstore.limit < appstore.nr_pkgs:
apps = min(appstore.limit, appstore.nr_apps)
pkgs = min(appstore.limit - apps, appstore.nr_pkgs)
else:
apps = appstore.nr_apps
pkgs = appstore.nr_pkgs
if not self.is_app_details_view_showing():
self.action_bar.unset_label()
if (appstore and
appstore.active and
self.is_applist_view_showing() and
pkgs > 0 and
apps > 0):
if appstore.nonapps_visible == AppStore.NONAPPS_ALWAYS_VISIBLE:
# TRANSLATORS: the text inbetween the underscores acts as a link
# In most/all languages you will want the whole string as a link
label = gettext.ngettext("_Hide %(amount)i technical item_",
"_Hide %(amount)i technical items_",
pkgs) % { 'amount': pkgs, }
self.action_bar.set_label(label, link_result=self._hide_nonapp_pkgs)
else:
label = gettext.ngettext("_Show %(amount)i technical item_",
"_Show %(amount)i technical items_",
pkgs) % { 'amount': pkgs, }
self.action_bar.set_label(label, link_result=self._show_nonapp_pkgs)
def update_search_help(self):
def build_category_path():
if not self.apps_category:
return None
if not self.apps_subcategory:
return self.apps_category.name
return u"%s \u25b8 %s"%(self.apps_category.name,self.apps_subcategory.name)
search = self.searchentry.get_text()
appstore = self.app_view.get_model()
if (search and appstore is not None and len(appstore) == 0):
category = self.get_current_category()
correction = self.db.get_spelling_correction(search)
text = "<b>%s</b>\n\n"%(_('No results for "%s"')%search)
option_template = "\t - %s\n\n"
if not category:
text += _('No items match "%s". Suggestions:')%search+"\n\n"
else:
text += _('No items in %s match "%s". Suggestions:')%("<b>%s</b>"%build_category_path(), search)+"\n\n"
if self.apps_subcategory:
parent_model = AppStore(self.cache,
self.db,
self.icons,
self.db.get_query_list_from_search_entry(search,
self.apps_category.query),
limit=self.get_app_items_limit(),
sortmode=self.get_sort_mode(),
nonapps_visible = self.nonapps_visible,
filter=self.apps_filter,
nonblocking_load=False,
search_term=search)
if parent_model.nr_apps>0:
text += option_template%(gettext.ngettext("Try "
"<a href=\"search-parent:\">the item "
"in %(category)s</a> that matches.", "Try "
"<a href=\"search-parent:\">the %(n)d items "
"in %(category)s</a> that match.", n=parent_model.nr_apps)%\
{'category':self.apps_category.name,'n':parent_model.nr_apps})
if self.apps_filter.get_supported_only():
unsupported = copy.copy(self.apps_filter)
unsupported.set_supported_only(False)
unsupported_model = AppStore(self.cache,
self.db,
self.icons,
self.app_view.get_model().search_query,
limit=self.get_app_items_limit(),
sortmode=self.get_sort_mode(),
nonapps_visible = self.nonapps_visible,
filter=unsupported,
nonblocking_load=False,
search_term=search)
if unsupported_model.nr_apps>0:
text += option_template%(gettext.ngettext("Try "
"<a href=\"search-unsupported:\">the %(amount)d item "
"that matches</a> in software not maintained by Canonical.",
"Try <a href=\"search-unsupported:\">the %(amount)d items "
"that match</a> in software not maintained by Canonical.",unsupported_model.nr_apps)%{'amount':unsupported_model.nr_apps})
if category:
text += option_template%_("Try searching in "
"<a href=\"search-all:\">all categories</a> instead.")
if correction:
ref = "<a href=\"search:%s\">%s</a>" % (correction, correction)
text += option_template%_("Check the search is spelled correctly. Did you mean: %s?") % ref
text += option_template%gettext.ngettext("Try using a different word.", "Try using fewer words or different words", len(search.split()))
self.label_app_list_header.set_markup(text)
self.label_app_list_header.set_visible(True)
return
# catchall, hide if we don't have anything useful to suggest
self.label_app_list_header.set_visible(False)
def _on_label_app_list_header_activate_link(self, link, uri):
#print "actiavte: ", link, uri
if uri.startswith("search:"):
self.searchentry.set_text(uri[len("search:"):])
elif uri.startswith("search-all:"):
self.unset_current_category()
self.refresh_apps()
elif uri.startswith("search-parent:"):
self.apps_subcategory = None;
self.navigation_bar.remove_id(NAV_BUTTON_ID_SUBCAT, animate=True)
self.refresh_apps()
elif uri.startswith("search-unsupported:"):
self.apps_filter.set_supported_only(False)
self.refresh_apps()
# FIXME: add ability to remove categories restriction here
# True stops event propergation
return True
def _show_nonapp_pkgs(self):
self.nonapps_visible = AppStore.NONAPPS_ALWAYS_VISIBLE
self.refresh_apps()
def _hide_nonapp_pkgs(self):
self.nonapps_visible = AppStore.NONAPPS_MAYBE_VISIBLE
self.refresh_apps()
def get_status_text(self):
"""return user readable status text suitable for a status bar"""
raise NotImplementedError
def get_query(self):
channel_query = None
name = self.pane_name
if self.channel:
channel_query = self.channel.query
name = self.channel.display_name
# search terms
if self.apps_search_term:
query = self.db.get_query_list_from_search_entry(
self.apps_search_term, channel_query)
self.navigation_bar.add_with_id(_("Search Results"),
self.on_navigation_search,
NAV_BUTTON_ID_SEARCH,
do_callback=False)
return query
# overview list
self.navigation_bar.add_with_id(name,
self.on_navigation_list,
NAV_BUTTON_ID_LIST,
do_callback=False)
# if we are in a channel, limit to that
if channel_query:
return channel_query
# ... otherwise show all
return xapian.Query("")
def refresh_apps(self, query=None):
"""refresh the applist and update the navigation bar """
LOG.debug("refresh_apps")
# FIXME: make this available for all panes
if query is None:
query = self.get_query()
old_model = self.app_view.get_model()
# exactly the same model, nothing to do
if (old_model and
query == old_model.search_query and
self.apps_filter == old_model.filter and
self.nonapps_visible == old_model.nonapps_visible):
# emit the signal to ensure that the ui updates status bar
# and all (name is misleading :/
self.emit("app-list-changed", len(self.app_view.get_model()))
return
self.show_appview_spinner()
self._refresh_apps_with_apt_cache(query)
@wait_for_apt_cache_ready
def _refresh_apps_with_apt_cache(self, query):
self.refresh_seq_nr += 1
LOG.debug("softwarepane query: %s" % query)
old_model = self.app_view.get_model()
if old_model is not None:
# *ugh* deactivate the old model because otherwise it keeps
# getting progress_changed events and eats CPU time until its
# garbage collected
old_model.active = False
while gtk.events_pending():
gtk.main_iteration()
LOG.debug("softwarepane query: %s" % query)
# create new model and attach it
seq_nr = self.refresh_seq_nr
new_model = AppStore(self.cache,
self.db,
self.icons,
query,
limit=self.get_app_items_limit(),
sortmode=self.get_sort_mode(),
nonapps_visible = self.nonapps_visible,
filter=self.apps_filter,
search_term=self.apps_search_term)
#print "new_model", new_model, len(new_model), seq_nr
# between request of the new model and actual delivery other
# events may have happend
if seq_nr != self.refresh_seq_nr:
LOG.info("discarding new model (%s != %s)" % (seq_nr, self.refresh_seq_nr))
return False
# set model
self.app_view.set_model(new_model)
self.app_view.get_model().active = True
self.hide_appview_spinner()
# we can not use "new_model" here, because set_model may actually
# discard new_model and just update the previous one
self.emit("app-list-changed", len(self.app_view.get_model()))
return False
def get_app_items_limit(self):
" stub implementation "
return 0
def get_sort_mode(self):
if self.apps_search_term and len(self.apps_search_term) >= 2:
return SORT_BY_SEARCH_RANKING
elif self.apps_category:
return self.apps_category.sortmode
return SORT_BY_ALPHABET
def on_search_terms_changed(self, terms):
" stub implementation "
pass
def on_db_reopen(self):
" stub implementation "
pass
def is_category_view_showing(self):
" stub implementation "
pass
def is_applist_view_showing(self):
" stub implementation "
pass
def is_app_details_view_showing(self):
" stub implementation "
pass
def get_current_app(self):
" stub implementation "
pass
def on_application_selected(self, widget, app):
" stub implementation "
pass
def get_current_category(self):
" stub implementation "
pass
def unset_current_category(self):
" stub implementation "
pass
|