localize separated item list format

openlp/core/lib/__init__.py

@@ -298,6 +298,32 @@ def check_directory_exists(dir):
     except IOError:
         pass
 
+def create_separated_list(stringlist):
+    """
+    Returns a string that represents a join of a list of strings with a
+    localized separator. This function corresponts to
+    QLocale::createSeparatedList which was introduced in Qt 4.8 and implements
+    the algorithm from http://www.unicode.org/reports/tr35/#ListPatterns
+
+    ``stringlist``
+        List of unicode strings
+    """
+    if not stringlist:
+        return u''
+    elif len(stringlist) == 1:
+        return stringlist[0]
+    elif len(stringlist) == 2:
+        return unicode(translate('OpenLP.core.lib', '%1 and %2',
+            'Locale list separator: 2 items').arg(stringlist[0], stringlist[1]))
+    else:
+        merged = unicode(translate('OpenLP.core.lib', '%1, and %2',
+            u'Locale list separator: end').arg(stringlist[-2], stringlist[-1]))
+        for index in reversed(range(1, len(stringlist) - 2)):
+            merged = unicode(translate('OpenLP.core.lib', '%1, %2',
+            u'Locale list separator: middle').arg(stringlist[index], merged))
+        return unicode(translate('OpenLP.core.lib', '%1, %2',
+            u'Locale list separator: start').arg(stringlist[0], merged))
+
 from eventreceiver import Receiver
 from listwidgetwithdnd import ListWidgetWithDnD
 from formattingtags import FormattingTags

openlp/plugins/bibles/lib/mediaitem.py

@@ -31,7 +31,7 @@ import locale
 from PyQt4 import QtCore, QtGui
 
 from openlp.core.lib import MediaManagerItem, Receiver, ItemCapabilities, \
-    translate
+    translate, create_separated_list
 from openlp.core.lib.searchedit import SearchEdit
 from openlp.core.lib.ui import UiStrings, add_widget_completer, \
     media_item_combo_box, critical_error_message_box, \
@@ -868,7 +868,7 @@ class BibleMediaItem(MediaManagerItem):
         service_item.add_capability(ItemCapabilities.CanLoop)
         service_item.add_capability(ItemCapabilities.CanWordSplit)
         # Service Item: Title
-        service_item.title = u', '.join(raw_title)
+        service_item.title = create_separated_list(raw_title)
         # Service Item: Theme
         if len(self.settings.bible_theme) == 0:
             service_item.theme = None

openlp/plugins/songs/forms/editsongform.py

@@ -32,7 +32,8 @@ import shutil
 
 from PyQt4 import QtCore, QtGui
 
-from openlp.core.lib import PluginStatus, Receiver, MediaType, translate
+from openlp.core.lib import PluginStatus, Receiver, MediaType, translate, \
+    create_separated_list
 from openlp.core.lib.ui import UiStrings, add_widget_completer, \
     critical_error_message_box, find_and_set_in_combo_box
 from openlp.core.utils import AppLocation
@@ -633,7 +634,7 @@ class EditSongForm(QtGui.QDialog, Ui_EditSongDialog):
                         VerseType.translated_tag(verse[0]), verse[1:]))
             for count, item in enumerate(order):
                 if item not in verses:
-                    valid = u', '.join(verse_names)
+                    valid = create_separated_list(verse_names)
                     critical_error_message_box(
                         message=unicode(translate('SongsPlugin.EditSongForm',
                         'The verse order is invalid. There is no verse '

openlp/plugins/songs/forms/songexportform.py

@@ -33,7 +33,8 @@ import logging
 
 from PyQt4 import QtCore, QtGui
 
-from openlp.core.lib import build_icon, Receiver, SettingsManager, translate
+from openlp.core.lib import build_icon, Receiver, SettingsManager, translate, \
+    create_separated_list
 from openlp.core.lib.ui import UiStrings, critical_error_message_box
 from openlp.core.ui.wizard import OpenLPWizard, WizardStrings
 from openlp.plugins.songs.lib.db import Song
@@ -255,7 +256,7 @@ class SongExportForm(OpenLPWizard):
             # No need to export temporary songs.
             if song.temporary:
                 continue
-            authors = u', '.join([author.display_name
+            authors = create_separated_list([author.display_name
                 for author in song.authors])
             title = u'%s (%s)' % (unicode(song.title), authors)
             item = QtGui.QListWidgetItem(title)

openlp/plugins/songs/lib/mediaitem.py

@@ -35,7 +35,7 @@ from PyQt4 import QtCore, QtGui
 from sqlalchemy.sql import or_
 
 from openlp.core.lib import MediaManagerItem, Receiver, ItemCapabilities, \
-    translate, check_item_selected, PluginStatus
+    translate, check_item_selected, PluginStatus, create_separated_list
 from openlp.core.lib.ui import UiStrings, context_menu_action, \
     context_menu_separator
 from openlp.core.utils import AppLocation
@@ -247,7 +247,8 @@ class SongMediaItem(MediaManagerItem):
                 continue
             author_list = [author.display_name for author in song.authors]
             song_title = unicode(song.title)
-            song_detail = u'%s (%s)' % (song_title, u', '.join(author_list))
+            song_detail = u'%s (%s)' % (song_title,
+                create_separated_list(author_list))
             song_name = QtGui.QListWidgetItem(song_detail)
             song_name.setData(QtCore.Qt.UserRole, QtCore.QVariant(song.id))
             self.listView.addItem(song_name)
@@ -469,7 +470,7 @@ class SongMediaItem(MediaManagerItem):
         service_item.title = song.title
         author_list = [unicode(author.display_name) for author in song.authors]
         service_item.raw_footer.append(song.title)
-        service_item.raw_footer.append(u', '.join(author_list))
+        service_item.raw_footer.append(create_separated_list(author_list))
         service_item.raw_footer.append(song.copyright)
         if QtCore.QSettings().value(u'general/ccli number',
             QtCore.QVariant(u'')).toString():