Continuation of lp:~suutari-olli/openlp/bug-fixes-2-4-3

This branch fixes the following bugs:
Bug #1487788: Importing photos does not give focus to OpenLP
Bug #1512040: Loop tooltip gets stuck to "Stop playing..."
Bug #1513490: List of authors uses localized "and" instead of English
Bug #1624661: Missing DB in unmounted disk results in Traceback 

bzr-revno: 2706

openlp/core/__init__.py

@@ -177,6 +177,38 @@ class OpenLP(OpenLPMixin, QtWidgets.QApplication):
             self.shared_memory.create(1)
             return False
 
+    def is_data_path_missing(self):
+        """
+        Check if the data folder path exists.
+        """
+        data_folder_path = AppLocation.get_data_path()
+        if not os.path.exists(data_folder_path):
+            log.critical('Database was not found in: ' + data_folder_path)
+            status = QtWidgets.QMessageBox.critical(None, translate('OpenLP', 'Data Directory Error'),
+                                                    translate('OpenLP', 'OpenLP data folder was not found in:\n\n{path}'
+                                                                        '\n\nThe location of the data folder was '
+                                                                        'previously changed from the OpenLP\'s '
+                                                                        'default location. If the data was stored on '
+                                                                        'removable device, that device needs to be '
+                                                                        'made available.\n\nYou may reset the data '
+                                                                        'location back to the default location, '
+                                                                        'or you can try to make the current location '
+                                                                        'available.\n\nDo you want to reset to the '
+                                                                        'default data location? If not, OpenLP will be '
+                                                                        'closed so you can try to fix the the problem.')
+                                                    .format(path=data_folder_path),
+                                                    QtWidgets.QMessageBox.StandardButtons(QtWidgets.QMessageBox.Yes |
+                                                                                          QtWidgets.QMessageBox.No),
+                                                    QtWidgets.QMessageBox.No)
+            if status == QtWidgets.QMessageBox.No:
+                # If answer was "No", return "True", it will shutdown OpenLP in def main
+                log.info('User requested termination')
+                return True
+            # If answer was "Yes", remove the custom data path thus resetting the default location.
+            Settings().remove('advanced/data path')
+            log.info('Database location has been reset to the default settings.')
+            return False
+
     def hook_exception(self, exc_type, value, traceback):
         """
         Add an exception hook so that any uncaught exceptions are displayed in this window rather than somewhere where
@@ -208,8 +240,8 @@ class OpenLP(OpenLPMixin, QtWidgets.QApplication):
         # If data_version is different from the current version ask if we should backup the data folder
         elif data_version != openlp_version:
             if QtWidgets.QMessageBox.question(None, translate('OpenLP', 'Backup'),
-                                              translate('OpenLP', 'OpenLP has been upgraded, do you want to create '
+                                              translate('OpenLP', 'OpenLP has been upgraded, do you want to create\n'
-                                                                  'a backup of OpenLPs data folder?'),
+                                                                  'a backup of the old data folder?'),
                                               QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No,
                                               QtWidgets.QMessageBox.Yes) == QtWidgets.QMessageBox.Yes:
                 # Create copy of data folder
@@ -223,8 +255,8 @@ class OpenLP(OpenLPMixin, QtWidgets.QApplication):
                                                   translate('OpenLP', 'Backup of the data folder failed!'))
                     return
                 message = translate('OpenLP',
-                                    'A backup of the data folder has been created'
+                                    'A backup of the data folder has been created at:\n\n'
-                                    'at {text}').format(text=data_folder_backup_path)
+                                    '{text}').format(text=data_folder_backup_path)
                 QtWidgets.QMessageBox.information(None, translate('OpenLP', 'Backup'), message)
 
             # Update the version in the settings
@@ -368,9 +400,13 @@ def main(args=None):
     Registry.create()
     Registry().register('application', application)
     application.setApplicationVersion(get_application_version()['version'])
-    # Instance check
+    # Check if an instance of OpenLP is already running. Quit if there is a running instance and the user only wants one
     if application.is_already_running():
         sys.exit()
+    # If the custom data path is missing and the user wants to restore the data path, quit OpenLP.
+    if application.is_data_path_missing():
+        application.shared_memory.detach()
+        sys.exit()
     # Remove/convert obsolete settings.
     Settings().remove_obsolete_settings()
     # First time checks in settings

openlp/core/lib/__init__.py

@@ -310,30 +310,23 @@ def expand_tags(text):
 
 def create_separated_list(string_list):
     """
-    Returns a string that represents a join of a list of strings with a localized separator. This function corresponds
+    Returns a string that represents a join of a list of strings with a localized separator.
-
+    Localized separation will be done via the translate() function by the translators.
-    to QLocale::createSeparatedList which was introduced in Qt 4.8 and implements the algorithm from
-    http://www.unicode.org/reports/tr35/#ListPatterns
 
     :param string_list: List of unicode strings
+    :return: Formatted string
     """
-    if LooseVersion(Qt.PYQT_VERSION_STR) >= LooseVersion('4.9') and LooseVersion(Qt.qVersion()) >= LooseVersion('4.8'):
+    list_length = len(string_list)
-        return QtCore.QLocale().createSeparatedList(string_list)
+    if list_length == 1:
-    if not string_list:
+        list_to_string = string_list[0]
-        return ''
+    elif list_length == 2:
-    elif len(string_list) == 1:
+        list_to_string = translate('OpenLP.core.lib', '{one} and {two}').format(one=string_list[0], two=string_list[1])
-        return string_list[0]
+    elif list_length > 2:
-    # TODO: Verify mocking of translate() test before conversion
+        list_to_string = translate('OpenLP.core.lib', '{first} and {last}').format(first=', '.join(string_list[:-1]),
-    elif len(string_list) == 2:
+                                                                                   last=string_list[-1])
-        return translate('OpenLP.core.lib', '%s and %s',
-                         'Locale list separator: 2 items') % (string_list[0], string_list[1])
     else:
-        merged = translate('OpenLP.core.lib', '%s, and %s',
+        list_to_string = ''
-                           'Locale list separator: end') % (string_list[-2], string_list[-1])
+    return list_to_string
-        for index in reversed(list(range(1, len(string_list) - 2))):
-            merged = translate('OpenLP.core.lib', '%s, %s',
-                               'Locale list separator: middle') % (string_list[index], merged)
-        return translate('OpenLP.core.lib', '%s, %s', 'Locale list separator: start') % (string_list[0], merged)
 
 
 from .exceptions import ValidationError

openlp/core/ui/advancedtab.py

@@ -397,27 +397,6 @@ class AdvancedTab(SettingsTab):
         self.data_directory_cancel_button.hide()
         # Since data location can be changed, make sure the path is present.
         self.current_data_path = AppLocation.get_data_path()
-        if not os.path.exists(self.current_data_path):
-            log.error('Data path not found {path}'.format(path=self.current_data_path))
-            answer = QtWidgets.QMessageBox.critical(
-                self, translate('OpenLP.AdvancedTab', 'Data Directory Error'),
-                translate('OpenLP.AdvancedTab', 'OpenLP data directory was not found\n\n{path}\n\n'
-                          'This data directory was previously changed from the OpenLP '
-                          'default location.  If the new location was on removable '
-                          'media, that media needs to be made available.\n\n'
-                          'Click "No" to stop loading OpenLP. allowing you to fix the the problem.\n\n'
-                          'Click "Yes" to reset the data directory to the default '
-                          'location.').format(path=self.current_data_path),
-                QtWidgets.QMessageBox.StandardButtons(QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No),
-                QtWidgets.QMessageBox.No)
-            if answer == QtWidgets.QMessageBox.No:
-                log.info('User requested termination')
-                self.main_window.clean_up()
-                sys.exit()
-            # Set data location to default.
-            settings.remove('advanced/data path')
-            self.current_data_path = AppLocation.get_data_path()
-            log.warning('User requested data path set to default {path}'.format(path=self.current_data_path))
         self.data_directory_label.setText(os.path.abspath(self.current_data_path))
         # Don't allow data directory move if running portable.
         if settings.value('advanced/is portable'):

openlp/core/ui/lib/treewidgetwithdnd.py

@@ -26,7 +26,7 @@ import os
 
 from PyQt5 import QtCore, QtGui, QtWidgets
 
-from openlp.core.common import Registry
+from openlp.core.common import Registry, is_win
 
 
 class TreeWidgetWithDnD(QtWidgets.QTreeWidget):
@@ -108,6 +108,11 @@ class TreeWidgetWithDnD(QtWidgets.QTreeWidget):
 
         :param event: Handle of the event pint passed
         """
+        # If we are on Windows, OpenLP window will not be set on top. For example, user can drag images to Library and
+        # the folder stays on top of the group creation box. This piece of code fixes this issue.
+        if is_win():
+            self.setWindowState(self.windowState() & ~QtCore.Qt.WindowMinimized | QtCore.Qt.WindowActive)
+            self.setWindowState(QtCore.Qt.WindowNoState)
         if event.mimeData().hasUrls():
             event.setDropAction(QtCore.Qt.CopyAction)
             event.accept()

openlp/core/ui/slidecontroller.py

@@ -722,8 +722,10 @@ class SlideController(DisplayController, RegistryProperties):
         # Reset the button
         self.play_slides_once.setChecked(False)
         self.play_slides_once.setIcon(build_icon(':/media/media_time.png'))
+        self.play_slides_once.setText(UiStrings().PlaySlidesToEnd)
         self.play_slides_loop.setChecked(False)
         self.play_slides_loop.setIcon(build_icon(':/media/media_time.png'))
+        self.play_slides_loop.setText(UiStrings().PlaySlidesInLoop)
         if item.is_text():
             if (Settings().value(self.main_window.songs_settings_section + '/display songbar') and
                     not self.song_menu.menu().isEmpty()):

tests/functional/openlp_core_lib/test_lib.py

@@ -688,8 +688,8 @@ class TestLib(TestCase):
             string_result = create_separated_list(string_list)
 
             # THEN: We should have "Author 1, Author 2, and Author 3"
-            assert string_result == 'Author 1, Author 2, and Author 3', 'The string should be u\'Author 1, ' \
+            self.assertEqual(string_result, 'Author 1, Author 2 and Author 3', 'The string should be "Author 1, '
-                'Author 2, and Author 3\'.'
+                             'Author 2, and Author 3".')
 
     def test_create_separated_list_empty_list(self):
         """
@@ -705,56 +705,44 @@ class TestLib(TestCase):
             string_result = create_separated_list(string_list)
 
             # THEN: We shoud have an emptry string.
-            assert string_result == '', 'The string sould be empty.'
+            self.assertEqual(string_result, '', 'The string sould be empty.')
 
     def test_create_separated_list_with_one_item(self):
         """
         Test the create_separated_list function with a list consisting of only one entry
         """
-        with patch('openlp.core.lib.Qt') as mocked_qt:
+        # GIVEN: A list with a string.
-            # GIVEN: A list with a string and the mocked Qt module.
-            mocked_qt.PYQT_VERSION_STR = '4.8'
-            mocked_qt.qVersion.return_value = '4.7'
         string_list = ['Author 1']
 
         # WHEN: We get a string build from the entries it the list and a separator.
         string_result = create_separated_list(string_list)
 
         # THEN: We should have "Author 1"
-            assert string_result == 'Author 1', 'The string should be u\'Author 1\'.'
+        self.assertEqual(string_result, 'Author 1', 'The string should be "Author 1".')
 
     def test_create_separated_list_with_two_items(self):
         """
         Test the create_separated_list function with a list of two entries
         """
-        with patch('openlp.core.lib.Qt') as mocked_qt, patch('openlp.core.lib.translate') as mocked_translate:
+        # GIVEN: A list with two strings.
-            # GIVEN: A list of strings and the mocked Qt module.
-            mocked_qt.PYQT_VERSION_STR = '4.8'
-            mocked_qt.qVersion.return_value = '4.7'
-            mocked_translate.return_value = '%s and %s'
         string_list = ['Author 1', 'Author 2']
 
         # WHEN: We get a string build from the entries it the list and a seperator.
         string_result = create_separated_list(string_list)
 
         # THEN: We should have "Author 1 and Author 2"
-            assert string_result == 'Author 1 and Author 2', 'The string should be u\'Author 1 and Author 2\'.'
+        self.assertEqual(string_result, 'Author 1 and Author 2', 'The string should be "Author 1 and Author 2".')
 
     def test_create_separated_list_with_three_items(self):
         """
         Test the create_separated_list function with a list of three items
         """
-        with patch('openlp.core.lib.Qt') as mocked_qt, patch('openlp.core.lib.translate') as mocked_translate:
+        # GIVEN: A list with three strings.
-            # GIVEN: A list with a string and the mocked Qt module.
-            mocked_qt.PYQT_VERSION_STR = '4.8'
-            mocked_qt.qVersion.return_value = '4.7'
-            # Always return the untranslated string.
-            mocked_translate.side_effect = lambda module, string_to_translate, comment: string_to_translate
         string_list = ['Author 1', 'Author 2', 'Author 3']
 
         # WHEN: We get a string build from the entries it the list and a seperator.
         string_result = create_separated_list(string_list)
 
-            # THEN: We should have "Author 1, Author 2, and Author 3"
+        # THEN: We should have "Author 1, Author 2 and Author 3"
-            assert string_result == 'Author 1, Author 2, and Author 3', 'The string should be u\'Author 1, ' \
+        self.assertEqual(string_result, 'Author 1, Author 2 and Author 3', 'The string should be "Author 1, '
-                'Author 2, and Author 3\'.'
+                         'Author 2, and Author 3".')