HEAD

.bzrignore

@@ -8,7 +8,7 @@
 *.nja
 *.orig
 *.pyc
-*.qm
+resources/i18n/*.ts
 *.rej
 *.ropeproject
 *.~\?~

MANIFEST.in

@@ -16,3 +16,4 @@ include copyright.txt
 include LICENSE
 include README.txt
 include openlp/.version
+include package.json

karma.conf.js

@@ -60,7 +60,7 @@ module.exports = function(config) {
 
     // start these browsers
     // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
-    browsers: ["PhantomJS"],
+    browsers: ["Firefox"],
 
     // Continuous Integration mode
     // if true, Karma captures browsers, runs the tests and exits

openlp/core/common/__init__.py

@@ -172,6 +172,21 @@ class SlideLimits(object):
     Next = 3
 
 
+class Singleton(type):
+    """
+    Provide a `Singleton` metaclass https://stackoverflow.com/questions/6760685/creating-a-singleton-in-python
+    """
+    _instances = {}
+
+    def __call__(cls, *args, **kwargs):
+        """
+        Create a new instance if one does not already exist.
+        """
+        if cls not in cls._instances:
+            cls._instances[cls] = super().__call__(*args, **kwargs)
+        return cls._instances[cls]
+
+
 def de_hump(name):
     """
     Change any Camel Case string to python string
@@ -385,7 +400,7 @@ def get_images_filter():
     global IMAGES_FILTER
     if not IMAGES_FILTER:
         log.debug('Generating images filter.')
-        formats = list(map(bytes.decode, list(map(bytes, QtGui.QImageReader.supportedImageFormats()))))
+        formats = list(map(bytes.decode, map(bytes, QtGui.QImageReader.supportedImageFormats())))
         visible_formats = '(*.{text})'.format(text='; *.'.join(formats))
         actual_formats = '(*.{text})'.format(text=' *.'.join(formats))
         IMAGES_FILTER = '{text} {visible} {actual}'.format(text=translate('OpenLP', 'Image Files'),

openlp/core/common/actions.py

@@ -260,7 +260,7 @@ class ActionList(object):
             return
         # We have to do this to ensure that the loaded shortcut list e. g. STRG+O (German) is converted to CTRL+O,
         # which is only done when we convert the strings in this way (QKeySequencet -> uncode).
-        shortcuts = list(map(QtGui.QKeySequence.toString, list(map(QtGui.QKeySequence, shortcuts))))
+        shortcuts = list(map(QtGui.QKeySequence.toString, map(QtGui.QKeySequence, shortcuts)))
         # Check the alternate shortcut first, to avoid problems when the alternate shortcut becomes the primary shortcut
         #  after removing the (initial) primary shortcut due to conflicts.
         if len(shortcuts) == 2:

openlp/core/common/i18n.py

@@ -29,7 +29,7 @@ from collections import namedtuple
 
 from PyQt5 import QtCore, QtWidgets
 
-from openlp.core.common import is_macosx, is_win
+from openlp.core.common import Singleton, is_macosx, is_win
 from openlp.core.common.applocation import AppLocation
 from openlp.core.common.settings import Settings
 
@@ -327,22 +327,11 @@ class LanguageManager(object):
         return LanguageManager.__qm_list__
 
 
-class UiStrings(object):
+class UiStrings(metaclass=Singleton):
     """
     Provide standard strings for objects to use.
     """
-    __instance__ = None
-
-    def __new__(cls):
-        """
-        Override the default object creation method to return a single instance.
-        """
-        if not cls.__instance__:
-            cls.__instance__ = super().__new__(cls)
-            cls.__instance__.load()
-        return cls.__instance__
-
-    def load(self):
+    def __init__(self):
         """
         These strings should need a good reason to be retranslated elsewhere.
         Should some/more/less of these have an & attached?
@@ -436,6 +425,7 @@ class UiStrings(object):
         self.ResetLiveBG = translate('OpenLP.Ui', 'Reset live background.')
         self.RequiredShowInFooter = translate('OpenLP.Ui', 'Required, this will be displayed in footer.')
         self.Seconds = translate('OpenLP.Ui', 's', 'The abbreviated unit for seconds')
+        self.SaveAndClose = translate('OpenLP.ui', translate('SongsPlugin.EditSongForm', '&Save && Close'))
         self.SaveAndPreview = translate('OpenLP.Ui', 'Save && Preview')
         self.Search = translate('OpenLP.Ui', 'Search')
         self.SearchThemes = translate('OpenLP.Ui', 'Search Themes...', 'Search bar place holder text ')

openlp/core/common/registry.py

@@ -23,29 +23,19 @@
 Provide Registry Services
 """
 import logging
-import sys
 
-from openlp.core.common import de_hump, trace_error_handler
+from openlp.core.common import Singleton, de_hump, trace_error_handler
 
 
 log = logging.getLogger(__name__)
 
 
-class Registry(object):
+class Registry(metaclass=Singleton):
     """
     This is the Component Registry.  It is a singleton object and is used to provide a look up service for common
     objects.
     """
     log.info('Registry loaded')
-    __instance__ = None
-
-    def __new__(cls):
-        """
-        Re-implement the __new__ method to make sure we create a true singleton.
-        """
-        if not cls.__instance__:
-            cls.__instance__ = object.__new__(cls)
-        return cls.__instance__
 
     @classmethod
     def create(cls):
@@ -57,20 +47,9 @@ class Registry(object):
         registry.service_list = {}
         registry.functions_list = {}
         registry.working_flags = {}
-        # Allow the tests to remove Registry entries but not the live system
-        registry.running_under_test = 'nose' in sys.argv[0] or 'pytest' in sys.argv[0]
         registry.initialising = True
         return registry
 
-    @classmethod
-    def destroy(cls):
-        """
-        Destroy the Registry.
-        """
-        if cls.__instance__.running_under_test:
-            del cls.__instance__
-            cls.__instance__ = None
-
     def get(self, key):
         """
         Extracts the registry value from the list based on the key passed in

openlp/core/common/settings.py

@@ -90,12 +90,13 @@ def upgrade_screens(number, x_position, y_position, height, width, can_override,
         number: {
             'number': number,
             geometry_key: {
-                'x': x_position,
-                'y': y_position,
-                'height': height,
-                'width': width
+                'x': int(x_position),
+                'y': int(y_position),
+                'height': int(height),
+                'width': int(width)
             },
-            'is_display': is_display_screen
+            'is_display': is_display_screen,
+            'is_primary': can_override
         }
     }
 
@@ -309,7 +310,7 @@ class Settings(QtCore.QSettings):
         ('songuasge/db hostname', 'songusage/db hostname', []),
         ('songuasge/db database', 'songusage/db database', []),
         ('presentations / Powerpoint Viewer', '', []),
-        (['core/monitor', 'core/x position', 'core/y position', 'core/height', 'core/width', 'core/override',
+        (['core/monitor', 'core/x position', 'core/y position', 'core/height', 'core/width', 'core/override position',
           'core/display on monitor'], 'core/screens', [(upgrade_screens, [1, 0, 0, None, None, False, False])]),
         ('bibles/proxy name', '', []),  # Just remove these bible proxy settings. They weren't used in 2.4!
         ('bibles/proxy address', '', []),

openlp/core/display/html/display.js

@@ -281,8 +281,9 @@ var Display = {
    * Checks if the present slide content fits within the slide
   */
   doesContentFit: function () {
-    console.debug("scrollHeight: " + $(".slides")[0].scrollHeight + ", clientHeight: " + $(".slides")[0].clientHeight);
-    return $(".slides")[0].clientHeight >= $(".slides")[0].scrollHeight;
+    var currSlide = $(".slides")[0];
+    console.debug("scrollHeight: " + currSlide.scrollHeight + ", clientHeight: " + currSlide.clientHeight);
+    return currSlide.clientHeight >= currSlide.scrollHeight;
   },
   /**
    * Generate the OpenLP startup splashscreen
@@ -333,7 +334,7 @@ var Display = {
   /**
    * Set fullscreen image from base64 data
    * @param {string} bg_color - The background color
-   * @param {string} image - Path to the image
+   * @param {string} image_data - base64 encoded image data
    */
   setFullscreenImageFromData: function(bg_color, image_data) {
     Display.clearSlides();
@@ -372,9 +373,8 @@ var Display = {
    * @param {string} verse - The verse number, e.g. "v1"
    * @param {string} text - The HTML for the verse, e.g. "line1<br>line2"
    * @param {string} footer_text - The HTML for the footer"
-   * @param {bool} [reinit=true] - Re-initialize Reveal. Defaults to true.
    */
-  addTextSlide: function (verse, text, footer_text) {
+  addTextSlide: function (verse, text, footerText) {
     var html = _prepareText(text);
     if (this._slides.hasOwnProperty(verse)) {
       var slide = $("#" + verse)[0];
@@ -390,11 +390,9 @@ var Display = {
       slidesDiv.appendChild(slide);
       var slides = $(".slides > section");
       this._slides[verse] = slides.length - 1;
-
-      console.debug(" footer_text: " + footer_text);
-
-      var footerDiv = $(".footer")[0];
-      footerDiv.innerHTML = footer_text;
+      if (footerText) {
+        $(".footer")[0].innerHTML = footerText;
+      }
     }
     if ((arguments.length > 3) && (arguments[3] === true)) {
       this.reinit();
@@ -426,9 +424,10 @@ var Display = {
       var section = document.createElement("section");
       section.setAttribute("id", index);
       section.setAttribute("data-background", "#000");
+      section.setAttribute("style", "height: 100%; width: 100%;");
       var img = document.createElement('img');
       img.src = slide["path"];
-      img.setAttribute("style", "height: 100%; width: 100%;");
+      img.setAttribute("style", "max-width: 100%; max-height: 100%; margin: 0; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);");
       section.appendChild(img);
       slidesDiv.appendChild(section);
       Display._slides[index.toString()] = index;
@@ -476,25 +475,28 @@ var Display = {
    * Play a video
    */
   playVideo: function () {
-    if ($("#video").length == 1) {
-      $("#video")[0].play();
+    var videoElem = $("#video");
+    if (videoElem.length == 1) {
+      videoElem[0].play();
     }
   },
   /**
    * Pause a video
    */
   pauseVideo: function () {
-    if ($("#video").length == 1) {
-      $("#video")[0].pause();
+    var videoElem = $("#video");
+    if (videoElem.length == 1) {
+      videoElem[0].pause();
     }
   },
   /**
    * Stop a video
    */
   stopVideo: function () {
-    if ($("#video").length == 1) {
-      $("#video")[0].pause();
-      $("#video")[0].currentTime = 0.0;
+    var videoElem = $("#video");
+    if (videoElem.length == 1) {
+      videoElem[0].pause();
+      videoElem[0].currentTime = 0.0;
     }
   },
   /**
@@ -502,8 +504,9 @@ var Display = {
    * @param seconds The position in seconds to seek to
    */
   seekVideo: function (seconds) {
-    if ($("#video").length == 1) {
-      $("#video")[0].currentTime = seconds;
+    var videoElem = $("#video");
+    if (videoElem.length == 1) {
+      videoElem[0].currentTime = seconds;
     }
   },
   /**
@@ -511,8 +514,9 @@ var Display = {
    * @param rate A Double of the rate. 1.0 => 100% speed, 0.75 => 75% speed, 1.25 => 125% speed, etc.
    */
   setPlaybackRate: function (rate) {
-    if ($("#video").length == 1) {
-      $("#video")[0].playbackRate = rate;
+    var videoElem = $("#video");
+    if (videoElem.length == 1) {
+      videoElem[0].playbackRate = rate;
     }
   },
   /**
@@ -520,24 +524,27 @@ var Display = {
    * @param level The volume level from 0 to 100.
    */
   setVideoVolume: function (level) {
-    if ($("#video").length == 1) {
-      $("#video")[0].volume = level / 100.0;
+    var videoElem = $("#video");
+    if (videoElem.length == 1) {
+      videoElem[0].volume = level / 100.0;
     }
   },
   /**
    * Mute the volume
    */
   toggleVideoMute: function () {
-    if ($("#video").length == 1) {
-      $("#video")[0].muted = !$("#video")[0].muted;
+    var videoElem = $("#video");
+    if (videoElem.length == 1) {
+      videoElem[0].muted = !videoElem[0].muted;
     }
   },
   /**
    * Clear the background audio playlist
    */
   clearPlaylist: function () {
-    if ($("#background-audio").length == 1) {
-      var audio = $("#background-audio")[0];
+    var backgroundAudoElem = $("#background-audio");
+    if (backgroundAudoElem.length == 1) {
+      var audio = backgroundAudoElem[0];
       /* audio.playList */
     }
   },
@@ -619,7 +626,6 @@ var Display = {
   },
   setTheme: function (theme) {
     this._theme = theme;
-    var slidesDiv = $(".slides")
     // Set the background
     var globalBackground = $("#global-background")[0];
     var backgroundStyle = {};

openlp/core/display/render.py

@@ -47,7 +47,7 @@ log = logging.getLogger(__name__)
 
 SLIM_CHARS = 'fiíIÍjlĺľrtť.,;/ ()|"\'!:\\'
 CHORD_LINE_MATCH = re.compile(r'\[(.*?)\]([\u0080-\uFFFF,\w]*)'
-                              r'([\u0080-\uFFFF,\w,\s,\.,\,,\!,\?,\;,\:,\|,\",\',\-,\_]*)(\Z)?')
+                              r'([\u0080-\uFFFF\w\s\.\,\!\?\;\:\|\"\'\-\_]*)(\Z)?')
 CHORD_TEMPLATE = '<span class="chordline">{chord}</span>'
 FIRST_CHORD_TEMPLATE = '<span class="chordline firstchordline">{chord}</span>'
 CHORD_LINE_TEMPLATE = '<span class="chord"><span><strong>{chord}</strong></span></span>{tail}{whitespace}{remainder}'
@@ -482,6 +482,7 @@ class ThemePreviewRenderer(LogMixin, DisplayWindow):
 
         :param theme_data:  The theme to generated a preview for.
         :param force_page: Flag to tell message lines per page need to be generated.
+        :param generate_screenshot: Do I need to generate a screen shot?
         :rtype: QtGui.QPixmap
         """
         # save value for use in format_slide

openlp/core/display/screens.py

@@ -28,6 +28,7 @@ from functools import cmp_to_key
 
 from PyQt5 import QtCore, QtWidgets
 
+from openlp.core.common import Singleton
 from openlp.core.common.i18n import translate
 from openlp.core.common.registry import Registry
 from openlp.core.common.settings import Settings
@@ -133,8 +134,13 @@ class Screen(object):
         self.number = int(screen_dict['number'])
         self.is_display = screen_dict['is_display']
         self.is_primary = screen_dict['is_primary']
-        self.geometry = QtCore.QRect(screen_dict['geometry']['x'], screen_dict['geometry']['y'],
-                                     screen_dict['geometry']['width'], screen_dict['geometry']['height'])
+        try:
+            self.geometry = QtCore.QRect(screen_dict['geometry']['x'], screen_dict['geometry']['y'],
+                                         screen_dict['geometry']['width'], screen_dict['geometry']['height'])
+        except KeyError:
+            # Preserve the current values as this has come from the settings update which does not have
+            # the geometry information
+            pass
         if 'custom_geometry' in screen_dict:
             self.custom_geometry = QtCore.QRect(screen_dict['custom_geometry']['x'],
                                                 screen_dict['custom_geometry']['y'],
@@ -142,24 +148,15 @@ class Screen(object):
                                                 screen_dict['custom_geometry']['height'])
 
 
-class ScreenList(object):
+class ScreenList(metaclass=Singleton):
     """
     Wrapper to handle the parameters of the display screen.
 
     To get access to the screen list call ``ScreenList()``.
     """
     log.info('Screen loaded')
-    __instance__ = None
     screens = []
 
-    def __new__(cls):
-        """
-        Re-implement __new__ to create a true singleton.
-        """
-        if not cls.__instance__:
-            cls.__instance__ = object.__new__(cls)
-        return cls.__instance__
-
     def __iter__(self):
         """
         Convert this object into an iterable, so that we can iterate over it instead of the inner list

openlp/core/lib/theme.py

@@ -170,6 +170,7 @@ class Theme(object):
         jsn = get_text_file_string(json_path)
         self.load_theme(jsn)
         self.background_filename = None
+        self.version = 2
 
     def expand_json(self, var, prev=None):
         """

openlp/core/state.py

@@ -28,6 +28,7 @@ contained within the openlp.core module.
 """
 import logging
 
+from openlp.core.common import Singleton
 from openlp.core.common.registry import Registry
 from openlp.core.common.mixins import LogMixin
 from openlp.core.lib.plugin import PluginStatus
@@ -52,17 +53,7 @@ class StateModule(LogMixin):
         self.text = None
 
 
-class State(LogMixin):
-
-    __instance__ = None
-
-    def __new__(cls):
-        """
-        Re-implement the __new__ method to make sure we create a true singleton.
-        """
-        if not cls.__instance__:
-            cls.__instance__ = object.__new__(cls)
-        return cls.__instance__
+class State(LogMixin, metaclass=Singleton):
 
     def load_settings(self):
         self.modules = {}

openlp/core/threading.py

@@ -24,10 +24,11 @@ The :mod:`openlp.core.threading` module contains some common threading code
 """
 from PyQt5 import QtCore
 
+from openlp.core.common.mixins import LogMixin
 from openlp.core.common.registry import Registry
 
 
-class ThreadWorker(QtCore.QObject):
+class ThreadWorker(QtCore.QObject, LogMixin):
     """
     The :class:`~openlp.core.threading.ThreadWorker` class provides a base class for all worker objects
     """

openlp/core/ui/advancedtab.py

@@ -81,7 +81,7 @@ class AdvancedTab(SettingsTab):
         self.ui_layout.addRow(self.media_plugin_check_box)
         self.hide_mouse_check_box = QtWidgets.QCheckBox(self.ui_group_box)
         self.hide_mouse_check_box.setObjectName('hide_mouse_check_box')
-        self.ui_layout.addWidget(self.hide_mouse_check_box)
+        self.ui_layout.addRow(self.hide_mouse_check_box)
         self.double_click_live_check_box = QtWidgets.QCheckBox(self.ui_group_box)
         self.double_click_live_check_box.setObjectName('double_click_live_check_box')
         self.ui_layout.addRow(self.double_click_live_check_box)

openlp/core/ui/icons.py

@@ -27,6 +27,7 @@ import logging
 import qtawesome as qta
 from PyQt5 import QtGui, QtWidgets
 
+from openlp.core.common import Singleton
 from openlp.core.common.applocation import AppLocation
 from openlp.core.lib import build_icon
 
@@ -34,22 +35,11 @@ from openlp.core.lib import build_icon
 log = logging.getLogger(__name__)
 
 
-class UiIcons(object):
+class UiIcons(metaclass=Singleton):
     """
     Provide standard icons for objects to use.
     """
-    __instance__ = None
-
-    def __new__(cls):
-        """
-        Override the default object creation method to return a single instance.
-        """
-        if not cls.__instance__:
-            cls.__instance__ = super().__new__(cls)
-            cls.__instance__.load()
-        return cls.__instance__
-
-    def load(self):
+    def __init__(self):
         """
         These are the font icons used in the code.
         """
@@ -165,6 +155,7 @@ class UiIcons(object):
             'volunteer': {'icon': 'fa.group'}
         }
         self.load_icons(icon_list)
+        self.main_icon = build_icon(':/icon/openlp-logo.svg')
 
     def load_icons(self, icon_list):
         """
@@ -184,7 +175,6 @@ class UiIcons(object):
                     setattr(self, key, qta.icon('fa.plus-circle', color='red'))
             except Exception:
                 setattr(self, key, qta.icon('fa.plus-circle', color='red'))
-        self.main_icon = build_icon(':/icon/openlp-logo.svg')
 
     @staticmethod
     def _print_icons():

openlp/core/ui/mainwindow.py

@@ -635,7 +635,10 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow, LogMixin, RegistryPropert
         # if self.live_controller.display.isVisible():
         #     self.live_controller.display.setFocus()
         self.activateWindow()
-        if self.application.args:
+        # We have -disable-web-security added by our code.
+        # If a file is passed in we will have that as well so count of 2
+        # If not we need to see if we want to use the previous file.so count of 1
+        if self.application.args and len(self.application.args) > 1:
             self.open_cmd_line_files(self.application.args)
         elif Settings().value(self.general_settings_section + '/auto open'):
             self.service_manager_contents.load_last_file()

openlp/core/ui/printserviceform.py

@@ -219,13 +219,13 @@ class PrintServiceForm(QtWidgets.QDialog, Ui_PrintServiceDialog, RegistryPropert
                 verse_def = None
                 verse_html = None
                 for slide in item.get_frames():
-                    if not verse_def or verse_def != slide['verseTag'] or verse_html == slide['printing_html']:
+                    if not verse_def or verse_def != slide['verse'] or verse_html == slide['text']:
                         text_div = self._add_element('div', parent=div, class_id='itemText')
-                    elif 'chordspacing' not in slide['printing_html']:
+                    elif 'chordspacing' not in slide['text']:
                         self._add_element('br', parent=text_div)
-                    self._add_element('span', slide['printing_html'], text_div)
-                    verse_def = slide['verseTag']
-                    verse_html = slide['printing_html']
+                    self._add_element('span', slide['text'], text_div)
+                    verse_def = slide['verse']
+                    verse_html = slide['text']
                 # Break the page before the div element.
                 if index != 0 and self.page_break_after_text.isChecked():
                     div.set('class', 'item newPage')

openlp/core/ui/screenstab.py

@@ -53,7 +53,6 @@ class ScreensTab(SettingsTab):
         self.setObjectName('self')
         self.tab_layout = QtWidgets.QVBoxLayout(self)
         self.tab_layout.setObjectName('tab_layout')
-
         self.screen_selection_widget = ScreenSelectionWidget(self, ScreenList())
         self.tab_layout.addWidget(self.screen_selection_widget)
         self.generic_group_box = QtWidgets.QGroupBox(self)
@@ -63,13 +62,11 @@ class ScreensTab(SettingsTab):
         self.display_on_monitor_check.setObjectName('monitor_combo_box')
         self.generic_group_layout.addWidget(self.display_on_monitor_check)
         self.tab_layout.addWidget(self.generic_group_box)
-
         Registry().register_function('config_screen_changed', self.screen_selection_widget.load)
 
         self.retranslate_ui()
 
     def retranslate_ui(self):
-        self.setWindowTitle(translate('self', 'self'))  # TODO: ???
         self.generic_group_box.setTitle(translate('OpenLP.ScreensTab', 'Generic screen settings'))
         self.display_on_monitor_check.setText(translate('OpenLP.ScreensTab', 'Display if a single screen'))
 

openlp/core/ui/servicemanager.py

@@ -34,6 +34,7 @@ from tempfile import NamedTemporaryFile
 
 from PyQt5 import QtCore, QtGui, QtWidgets
 
+from openlp.core.state import State
 from openlp.core.common import ThemeLevel, delete_file
 from openlp.core.common.actions import ActionList, CategoryOrder
 from openlp.core.common.applocation import AppLocation
@@ -828,7 +829,7 @@ class ServiceManager(QtWidgets.QWidget, RegistryBase, Ui_ServiceManager, LogMixi
                 self.auto_start_action.setIcon(UiIcons().inactive)
                 self.auto_start_action.setText(translate('OpenLP.ServiceManager', '&Auto Start - inactive'))
         if service_item['service_item'].is_text():
-            for plugin in self.plugin_manager.plugins:
+            for plugin in State().list_plugins():
                 if plugin.name == 'custom' and plugin.status == PluginStatus.Active:
                     self.create_custom_action.setVisible(True)
                     break

openlp/core/ui/thememanager.py

@@ -30,6 +30,7 @@ from xml.etree.ElementTree import XML, ElementTree
 
 from PyQt5 import QtCore, QtWidgets
 
+from openlp.core.state import State
 from openlp.core.common import delete_file
 from openlp.core.common.applocation import AppLocation
 from openlp.core.common.i18n import UiStrings, get_locale_key, translate
@@ -293,7 +294,7 @@ class ThemeManager(QtWidgets.QWidget, RegistryBase, Ui_ThemeManager, LogMixin, R
                     old_theme_data = self.get_theme_data(old_theme_name)
                     self.clone_theme_data(old_theme_data, new_theme_name)
                     self.delete_theme(old_theme_name)
-                    for plugin in self.plugin_manager.plugins:
+                    for plugin in State().list_plugins():
                         if plugin.uses_theme(old_theme_name):
                             plugin.rename_theme(old_theme_name, new_theme_name)
                     self.renderer.set_theme(self.get_theme_data(new_theme_name))
@@ -612,7 +613,7 @@ class ThemeManager(QtWidgets.QWidget, RegistryBase, Ui_ThemeManager, LogMixin, R
             self.log_exception('Importing theme from zip failed {name}'.format(name=file_path))
             critical_error_message_box(
                 translate('OpenLP.ThemeManager', 'Import Error'),
-                translate('OpenLP.ThemeManager', 'There was a problem imoorting {file_name}.\n\nIt is corrupt,'
+                translate('OpenLP.ThemeManager', 'There was a problem importing {file_name}.\n\nIt is corrupt, '
                                                  'inaccessible or not a valid theme.').format(file_name=file_path))
         finally:
             if not abort_import:
@@ -771,7 +772,7 @@ class ThemeManager(QtWidgets.QWidget, RegistryBase, Ui_ThemeManager, LogMixin, R
             # check for use in the system else where.
             if test_plugin:
                 plugin_usage = ""
-                for plugin in self.plugin_manager.plugins:
+                for plugin in State().list_plugins():
                     used_count = plugin.uses_theme(theme)
                     if used_count:
                         plugin_usage = "{plug}{text}".format(plug=plugin_usage,

openlp/core/widgets/views.py

@@ -210,9 +210,13 @@ class ListPreviewWidget(QtWidgets.QTableWidget, RegistryProperties):
                             pixmap = QtGui.QPixmap(str(slide['image']))
                 else:
                     pixmap = QtGui.QPixmap(str(slide['path']))
+                if pixmap.height() > 0:
+                    pixmap_ratio = pixmap.width() / pixmap.height()
+                else:
+                    pixmap_ratio = 1
                 label.setPixmap(pixmap)
                 container = QtWidgets.QWidget()
-                layout = AspectRatioLayout(container, self.screen_ratio)
+                layout = AspectRatioLayout(container, pixmap_ratio)
                 layout.setContentsMargins(0, 0, 0, 0)
                 layout.addWidget(label)
                 container.setLayout(layout)

openlp/plugins/bibles/lib/__init__.py

@@ -26,6 +26,7 @@ plugin.
 import logging
 import re
 
+from openlp.core.common import Singleton
 from openlp.core.common.i18n import translate
 from openlp.core.common.settings import Settings
 
@@ -64,20 +65,10 @@ class LanguageSelection(object):
     English = 2
 
 
-class BibleStrings(object):
+class BibleStrings(metaclass=Singleton):
     """
     Provide standard strings for objects to use.
     """
-    __instance__ = None
-
-    def __new__(cls):
-        """
-        Override the default object creation method to return a single instance.
-        """
-        if not cls.__instance__:
-            cls.__instance__ = object.__new__(cls)
-        return cls.__instance__
-
     def __init__(self):
         """
         These strings should need a good reason to be retranslated elsewhere.
@@ -336,11 +327,13 @@ def parse_reference(reference, bible, language_selection, book_ref_id=False):
         log.debug('Matched reference {text}'.format(text=reference))
         book = match.group('book')
         if not book_ref_id:
-            book_ref_id = bible.get_book_ref_id_by_localised_name(book, language_selection)
+            book_ref_ids = bible.get_book_ref_id_by_localised_name(book, language_selection)
         elif not bible.get_book_by_book_ref_id(book_ref_id):
             return []
+        else:
+            book_ref_ids = [book_ref_id]
         # We have not found the book so do not continue
-        if not book_ref_id:
+        if not book_ref_ids:
             return []
         ranges = match.group('ranges')
         range_list = get_reference_match('range_separator').split(ranges)
@@ -381,22 +374,23 @@ def parse_reference(reference, bible, language_selection, book_ref_id=False):
                     to_chapter = to_verse
                     to_verse = None
             # Append references to the list
-            if has_range:
-                if not from_verse:
-                    from_verse = 1
-                if not to_verse:
-                    to_verse = -1
-                if to_chapter and to_chapter > from_chapter:
-                    ref_list.append((book_ref_id, from_chapter, from_verse, -1))
-                    for i in range(from_chapter + 1, to_chapter):
-                        ref_list.append((book_ref_id, i, 1, -1))
-                    ref_list.append((book_ref_id, to_chapter, 1, to_verse))
-                elif to_verse >= from_verse or to_verse == -1:
-                    ref_list.append((book_ref_id, from_chapter, from_verse, to_verse))
-            elif from_verse:
-                ref_list.append((book_ref_id, from_chapter, from_verse, from_verse))
-            else:
-                ref_list.append((book_ref_id, from_chapter, 1, -1))
+            for book_ref_id in book_ref_ids:
+                if has_range:
+                    if not from_verse:
+                        from_verse = 1
+                    if not to_verse:
+                        to_verse = -1
+                    if to_chapter and to_chapter > from_chapter:
+                        ref_list.append((book_ref_id, from_chapter, from_verse, -1))
+                        for i in range(from_chapter + 1, to_chapter):
+                            ref_list.append((book_ref_id, i, 1, -1))
+                        ref_list.append((book_ref_id, to_chapter, 1, to_verse))
+                    elif to_verse >= from_verse or to_verse == -1:
+                        ref_list.append((book_ref_id, from_chapter, from_verse, to_verse))
+                elif from_verse:
+                    ref_list.append((book_ref_id, from_chapter, from_verse, from_verse))
+                else:
+                    ref_list.append((book_ref_id, from_chapter, 1, -1))
         return ref_list
     else:
         log.debug('Invalid reference: {text}'.format(text=reference))

openlp/plugins/bibles/lib/db.py

@@ -281,13 +281,14 @@ class BibleDB(Manager):
         log.debug('BibleDB.get_book("{book}")'.format(book=book))
         return self.get_object_filtered(Book, Book.name.like(book + '%'))
 
-    def get_books(self):
+    def get_books(self, book=None):
         """
         A wrapper so both local and web bibles have a get_books() method that
         manager can call. Used in the media manager advanced search tab.
         """
-        log.debug('BibleDB.get_books()')
-        return self.get_all_objects(Book, order_by_ref=Book.id)
+        log.debug('BibleDB.get_books("{book}")'.format(book=book))
+        filter = Book.name.like(book + '%') if book else None
+        return self.get_all_objects(Book, filter_clause=filter, order_by_ref=Book.id)
 
     def get_book_by_book_ref_id(self, ref_id):
         """
@@ -300,39 +301,35 @@ class BibleDB(Manager):
 
     def get_book_ref_id_by_localised_name(self, book, language_selection):
         """
-        Return the id of a named book.
+        Return the ids of a matching named book.
 
         :param book: The name of the book, according to the selected language.
         :param language_selection:  The language selection the user has chosen in the settings section of the Bible.
+        :rtype: list[int]
         """
         log.debug('get_book_ref_id_by_localised_name("{book}", "{lang}")'.format(book=book, lang=language_selection))
         from openlp.plugins.bibles.lib import LanguageSelection, BibleStrings
         book_names = BibleStrings().BookNames
         # escape reserved characters
-        book_escaped = book
         for character in RESERVED_CHARACTERS:
-            book_escaped = book_escaped.replace(character, '\\' + character)
+            book_escaped = book.replace(character, '\\' + character)
         regex_book = re.compile('\\s*{book}\\s*'.format(book='\\s*'.join(book_escaped.split())), re.IGNORECASE)
         if language_selection == LanguageSelection.Bible:
-            db_book = self.get_book(book)
-            if db_book:
-                return db_book.book_reference_id
-        elif language_selection == LanguageSelection.Application:
-            books = [key for key in list(book_names.keys()) if regex_book.match(str(book_names[key]))]
-            books = [_f for _f in map(BiblesResourcesDB.get_book, books) if _f]
-            for value in books:
-                if self.get_book_by_book_ref_id(value['id']):
-                    return value['id']
-        elif language_selection == LanguageSelection.English:
-            books = BiblesResourcesDB.get_books_like(book)
-            if books:
-                book_list = [value for value in books if regex_book.match(value['name'])]
-                if not book_list:
-                    book_list = books
-                for value in book_list:
-                    if self.get_book_by_book_ref_id(value['id']):
-                        return value['id']
-        return False
+            db_books = self.get_books(book)
+            return [db_book.book_reference_id for db_book in db_books]
+        else:
+            book_list = []
+            if language_selection == LanguageSelection.Application:
+                books = [key for key in list(book_names.keys()) if regex_book.match(book_names[key])]
+                book_list = [_f for _f in map(BiblesResourcesDB.get_book, books) if _f]
+            elif language_selection == LanguageSelection.English:
+                books = BiblesResourcesDB.get_books_like(book)
+                if books:
+                    book_list = [value for value in books if regex_book.match(value['name'])]
+                    if not book_list:
+                        book_list = books
+            return [value['id'] for value in book_list if self.get_book_by_book_ref_id(value['id'])]
+        return []
 
     def get_verses(self, reference_list, show_error=True):
         """

openlp/plugins/bibles/lib/manager.py

@@ -240,8 +240,10 @@ class BibleManager(LogMixin, RegistryProperties):
                                                                                         book=book,
                                                                                         chapter=chapter))
         language_selection = self.get_language_selection(bible)
-        book_ref_id = self.db_cache[bible].get_book_ref_id_by_localised_name(book, language_selection)
-        return self.db_cache[bible].get_verse_count(book_ref_id, chapter)
+        book_ref_ids = self.db_cache[bible].get_book_ref_id_by_localised_name(book, language_selection)
+        if book_ref_ids:
+            return self.db_cache[bible].get_verse_count(book_ref_ids[0], chapter)
+        return 0
 
     def get_verse_count_by_book_ref_id(self, bible, book_ref_id, chapter):
         """

openlp/plugins/custom/forms/editcustomdialog.py

@@ -97,6 +97,7 @@ class Ui_CustomEditDialog(object):
         self.preview_button = QtWidgets.QPushButton()
         self.button_box = create_button_box(custom_edit_dialog, 'button_box', ['cancel', 'save'],
                                             [self.preview_button])
+        self.save_button = self.button_box.button(QtWidgets.QDialogButtonBox.Save)
         self.dialog_layout.addWidget(self.button_box)
         self.retranslate_ui(custom_edit_dialog)
 
@@ -112,3 +113,4 @@ class Ui_CustomEditDialog(object):
         self.theme_label.setText(translate('CustomPlugin.EditCustomForm', 'The&me:'))
         self.credit_label.setText(translate('CustomPlugin.EditCustomForm', '&Credits:'))
         self.preview_button.setText(UiStrings().SaveAndPreview)
+        self.save_button.setText(UiStrings().SaveAndClose)

openlp/plugins/custom/lib/mediaitem.py

@@ -349,7 +349,7 @@ class CustomMediaItem(MediaManagerItem):
             custom.credits = ''
         custom_xml = CustomXMLBuilder()
         for (idx, slide) in enumerate(item.slides):
-            custom_xml.add_verse_to_lyrics('custom', str(idx + 1), slide['raw_slide'])
+            custom_xml.add_verse_to_lyrics('custom', str(idx + 1), slide['text'])
         custom.text = str(custom_xml.extract_xml(), 'utf-8')
         self.plugin.db_manager.save_object(custom)
         self.on_search_text_button_clicked()

openlp/plugins/songs/forms/editsongdialog.py

@@ -291,6 +291,7 @@ class Ui_EditSongDialog(object):
         self.warning_label.setObjectName('warning_label')
         self.bottom_layout.addWidget(self.warning_label)
         self.button_box = create_button_box(edit_song_dialog, 'button_box', ['cancel', 'save'])
+        self.save_button = self.button_box.button(QtWidgets.QDialogButtonBox.Save)
         self.bottom_layout.addWidget(self.button_box)
         self.dialog_layout.addLayout(self.bottom_layout)
         self.retranslate_ui(edit_song_dialog)
@@ -341,6 +342,7 @@ class Ui_EditSongDialog(object):
             translate('SongsPlugin.EditSongForm', '<strong>Warning:</strong> Not all of the verses are in use.')
         self.no_verse_order_entered_warning =  \
             translate('SongsPlugin.EditSongForm', '<strong>Warning:</strong> You have not entered a verse order.')
+        self.save_button.setText(UiStrings().SaveAndPreview)
 
 
 def create_combo_box(parent, name, editable=True):

openlp/plugins/songs/forms/editsongform.py

@@ -29,6 +29,7 @@ from shutil import copyfile
 
 from PyQt5 import QtCore, QtWidgets
 
+from openlp.core.state import State
 from openlp.core.common.applocation import AppLocation
 from openlp.core.common.i18n import UiStrings, get_natural_key, translate
 from openlp.core.common.mixins import RegistryProperties
@@ -416,7 +417,7 @@ class EditSongForm(QtWidgets.QDialog, Ui_EditSongDialog, RegistryProperties):
         Load the media files into a combobox.
         """
         self.from_media_button.setVisible(False)
-        for plugin in self.plugin_manager.plugins:
+        for plugin in State().list_plugins():
             if plugin.name == 'media' and plugin.status == PluginStatus.Active:
                 self.from_media_button.setVisible(True)
                 self.media_form.populate_files(plugin.media_item.get_list(MediaType.Audio))

openlp/plugins/songs/lib/db.py

@@ -374,7 +374,9 @@ def init_schema(url):
     mapper(SongBookEntry, songs_songbooks_table, properties={
         'songbook': relation(Book)
     })
-    mapper(Book, song_books_table)
+    mapper(Book, song_books_table, properties={
+        'songs': relation(Song, secondary=songs_songbooks_table)
+    })
     mapper(MediaFile, media_files_table)
     mapper(Song, songs_table, properties={
         # Use the authors_songs relation when you need access to the 'author_type' attribute

openlp/plugins/songs/lib/importers/cclifile.py

@@ -146,7 +146,9 @@ class CCLIFileImport(SongImport):
         """
         log.debug('USR file text: {text}'.format(text=text_list))
         song_author = ''
+        song_fields = ''
         song_topics = ''
+        song_words = ''
         for line in text_list:
             if line.startswith('[S '):
                 ccli, line = line.split(']', 1)

openlp/plugins/songs/lib/importers/dreambeam.py

@@ -87,6 +87,7 @@ class DreamBeamImport(SongImport):
                 if self.stop_import_flag:
                     return
                 self.set_defaults()
+                author_copyright = ''
                 parser = etree.XMLParser(remove_blank_text=True)
                 try:
                     with file_path.open('r') as xml_file:
@@ -142,7 +143,7 @@ class DreamBeamImport(SongImport):
                         author_copyright = song_xml.Text2.Text.text
                 if author_copyright:
                     author_copyright = str(author_copyright)
-                    if author_copyright.find(str(SongStrings.CopyrightSymbol)) >= 0:
+                    if author_copyright.find(SongStrings.CopyrightSymbol) >= 0:
                         self.add_copyright(author_copyright)
                     else:
                         self.parse_author(author_copyright)

openlp/plugins/songs/lib/importers/easyslides.py

@@ -137,9 +137,11 @@ class EasySlidesImport(SongImport):
         except UnicodeDecodeError:
             log.exception('Unicode decode error while decoding Contents')
             self._success = False
+            return
         except AttributeError:
             log.exception('no Contents')
             self._success = False
+            return
         lines = lyrics.split('\n')
         # we go over all lines first, to determine information,
         # which tells us how to parse verses later

openlp/plugins/songs/lib/importers/easyworship.py

@@ -268,13 +268,13 @@ class EasyWorshipSongImport(SongImport):
         self.db_set_record_struct(field_descriptions)
         # Pick out the field description indexes we will need
         try:
-            success = True
             fi_title = self.db_find_field(b'Title')
             fi_author = self.db_find_field(b'Author')
             fi_copy = self.db_find_field(b'Copyright')
             fi_admin = self.db_find_field(b'Administrator')
             fi_words = self.db_find_field(b'Words')
             fi_ccli = self.db_find_field(b'Song Number')
+            success = True
         except IndexError:
             # This is the wrong table
             success = False

openlp/plugins/songs/lib/importers/songbeamer.py

@@ -128,7 +128,7 @@ class SongBeamerImport(SongImport):
                 # The encoding should only be ANSI (cp1252), UTF-8, Unicode, Big-Endian-Unicode.
                 # So if it doesn't start with 'u' we default to cp1252. See:
                 # https://forum.songbeamer.com/viewtopic.php?p=419&sid=ca4814924e37c11e4438b7272a98b6f2
-                if not self.input_file_encoding.lower().startswith('u'):
+                if self.input_file_encoding and not self.input_file_encoding.lower().startswith('u'):
                     self.input_file_encoding = 'cp1252'
                 with file_path.open(encoding=self.input_file_encoding) as song_file:
                     song_data = song_file.readlines()

openlp/plugins/songs/lib/ui.py

@@ -34,7 +34,7 @@ class SongStrings(object):
     Author = translate('OpenLP.Ui', 'Author', 'Singular')
     Authors = translate('OpenLP.Ui', 'Authors', 'Plural')
     AuthorUnknown = translate('OpenLP.Ui', 'Author Unknown')  # Used to populate the database.
-    CopyrightSymbol = translate('OpenLP.Ui', '\xa9', 'Copyright symbol.')
+    CopyrightSymbol = '\xa9'
     SongBook = translate('OpenLP.Ui', 'Songbook', 'Singular')
     SongBooks = translate('OpenLP.Ui', 'Songbooks', 'Plural')
     SongIncomplete = translate('OpenLP.Ui', 'Title and/or verses not found')

package.json

@@ -11,15 +11,12 @@
     "karma": "^3.1.4",
     "karma-coverage": "^1.1.2",
     "karma-jasmine": "^1.1.0",
-    "karma-phantomjs-launcher": "^1.0.4",
-    "phantomjs-prebuilt": "^2.1.16"
+    "karma-firefox-launcher": "^1.2.0",
+    "karma-log-reporter": "0.0.4"
   },
   "scripts": {
-    "test": "karma start"
+    "test": "karma start --single-run"
   },
   "author": "OpenLP Developers",
-  "license": "GPL-3.0-or-later",
-  "devDependencies": {
-    "karma-log-reporter": "0.0.4"
-  }
+  "license": "GPL-3.0-or-later"
 }

scripts/.tx/config

@@ -0,0 +1,9 @@
+[main]
+host = https://www.transifex.com
+
+[openlp.openlp-30x]
+file_filter = ../resources/i18n/<lang>.ts
+minimum_perc = 0
+source_file = ../resources/i18n/en.ts
+source_lang = en
+type = qt

scripts/pull_translations

@@ -0,0 +1,46 @@
+#!/bin/sh
+# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
+
+##########################################################################
+# OpenLP - Open Source Lyrics Projection                                 #
+# ---------------------------------------------------------------------- #
+# Copyright (c) 2008-2019 OpenLP Developers                              #
+# ---------------------------------------------------------------------- #
+# 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, either version 3 of the License, or      #
+# (at your option) any later version.                                    #
+#                                                                        #
+# 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, see <https://www.gnu.org/licenses/>. #
+##########################################################################
+#
+# This script automates the update of the translations on OpenLP.
+#
+# It uses the tx client from Transifex for all the heavy lifting
+# All download *.ts files are converted to *.qm files which are used by
+# OpenLP.
+#
+###############################################################################
+pwd=`pwd`
+result=${PWD##*/}; echo $result
+
+if [ $result != 'scripts' ] ; then
+	echo 'This script must be run from the scripts directory'
+	exit
+fi
+
+
+rm ../resources/i18n/*.ts
+
+echo
+echo Downloading the translated files
+echo
+tx pull -a --minimum-perc=45
+
+echo Translation update complete

scripts/push_translations

@@ -0,0 +1,52 @@
+##########################################################################
+# OpenLP - Open Source Lyrics Projection                                 #
+# ---------------------------------------------------------------------- #
+# Copyright (c) 2008-2019 OpenLP Developers                              #
+# ---------------------------------------------------------------------- #
+# 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, either version 3 of the License, or      #
+# (at your option) any later version.                                    #
+#                                                                        #
+# 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, see <https://www.gnu.org/licenses/>. #
+##########################################################################
+#
+# This script automates the update of the translations on OpenLP.
+#
+# It uses the tx client from Transifex for all the heavy lifting
+# All download *.ts files are converted to *.qm files which are used by
+# OpenLP.
+#
+###############################################################################
+pwd=`pwd`
+result=${PWD##*/}; echo $result
+
+if [ $result != 'scripts' ] ; then
+	echo 'This script must be run from the scripts directory'
+	exit
+fi
+
+echo
+echo Generation translation control file
+echo
+rm ../resources/i18n/*.ts
+python3 $pwd/translation_utils.py -p 
+
+echo Creating base translation file
+cd ..
+pylupdate5 -verbose -noobsolete openlp.pro
+cd scripts
+
+echo Check of invalid characters in push file
+grep -axv '.*' ../resources/i18n/en.ts
+
+tx push -s
+
+echo New translation file pushed.
+

scripts/translation_utils.py

@@ -22,210 +22,29 @@
 ##########################################################################
 
 """
-This script is used to maintain the translation files in OpenLP. It downloads
-the latest translation files from the Transifex translation server, updates the
-local translation files from both the source code and the files from Transifex,
-and can also generate the compiled translation files.
-
-Create New Language
--------------------
-
-To create a new language, simply run this script with the ``-c`` command line
-option::
-
-    @:~$ ./translation_utils.py -c
-
-Update Translation Files
-------------------------
-
-The best way to update the translations is to download the files from Transifex,
-and then update the local files using both the downloaded files and the source.
-This is done easily via the ``-d``, ``-p`` and ``-u`` options::
-
-    @:~$ ./translation_utils.py -dpu
-
+This script is used to maintain the translation files in OpenLP.
+It generates the base en.ts file used to drive all translations
+on Transifex.
+For more details on the translation process see the Translation pages on the
+Wiki
 """
-import base64
-import glob
-import json
+
 import os
-import sys
-import urllib.error
-import urllib.parse
-import urllib.request
-import webbrowser
-from argparse import ArgumentParser
-from getpass import getpass
 
-from lxml import objectify
-from PyQt5 import QtCore
 
-SERVER_URL = 'http://www.transifex.com/api/2/project/openlp/resource/openlp-26x/'
-IGNORED_PATHS = ['scripts']
+IGNORED_PATHS = ['scripts', 'tests']
 IGNORED_FILES = ['setup.py']
 
-verbose_mode = False
-quiet_mode = False
-username = ''
-password = ''
-
-
-class Command(object):
-    """
-    Provide an enumeration of commands.
-    """
-    Download = 1
-    Create = 2
-    Prepare = 3
-    Update = 4
-    Generate = 5
-    Check = 6
-
-
-class CommandStack(object):
-    """
-    This class provides an iterable stack.
-    """
-    def __init__(self):
-        self.current_index = 0
-        self.data = []
-
-    def __len__(self):
-        return len(self.data)
-
-    def __getitem__(self, index):
-        if index not in self.data:
-            return None
-        elif self.data[index].get('arguments'):
-            return self.data[index]['command'], self.data[index]['arguments']
-        else:
-            return self.data[index]['command']
-
-    def __iter__(self):
-        return self
-
-    def __next__(self):
-        if self.current_index == len(self.data):
-            raise StopIteration
-        else:
-            current_item = self.data[self.current_index]['command']
-            self.current_index += 1
-            return current_item
-
-    def append(self, command, **kwargs):
-        data = {'command': command}
-        if 'arguments' in kwargs:
-            data['arguments'] = kwargs['arguments']
-        self.data.append(data)
-
-    def reset(self):
-        self.current_index = 0
-
-    def arguments(self):
-        if self.data[self.current_index - 1].get('arguments'):
-            return self.data[self.current_index - 1]['arguments']
-        else:
-            return []
-
-    def __repr__(self):
-        results = []
-        for item in self.data:
-            if item.get('arguments'):
-                results.append(str((item['command'], item['arguments'])))
-            else:
-                results.append(str((item['command'], )))
-        return '[%s]' % ', '.join(results)
-
-
-def print_quiet(text, linefeed=True):
-    """
-    This method checks to see if we are in quiet mode, and if not prints ``text`` out.
-
-    :param text: The text to print.
-    :param linefeed: Linefeed required
-    """
-    global quiet_mode
-    if not quiet_mode:
-        if linefeed:
-            print(text)
-        else:
-            print(text, end=' ')
-
-
-def print_verbose(text):
-    """
-    This method checks to see if we are in verbose mode, and if so prints  ``text`` out.
-
-    :param text: The text to print.
-    """
-    global verbose_mode, quiet_mode
-    if not quiet_mode and verbose_mode:
-        print('    %s' % text)
-
-
-def run(command):
-    """
-    This method runs an external application.
-
-    :param command: The command to run.
-    """
-    print_verbose(command)
-    process = QtCore.QProcess()
-    process.start(command)
-    while process.waitForReadyRead():
-        print_verbose('ReadyRead: %s' % process.readAll())
-    print_verbose('Error(s):\n%s' % process.readAllStandardError())
-    print_verbose('Output:\n%s' % process.readAllStandardOutput())
-
-
-def download_translations():
-    """
-    This method downloads the translation files from the Pootle server.
-
-    **Note:** URLs and headers need to remain strings, not unicode.
-    """
-    global username, password
-    print_quiet('Download translation files from Transifex')
-    if not username:
-        username = input('   Transifex username: ')
-    if not password:
-        password = getpass('   Transifex password: ')
-    # First get the list of languages
-    base64string = base64.encodebytes(('%s:%s' % (username, password)).encode())[:-1]
-    auth_header = 'Basic %s' % base64string.decode()
-    request = urllib.request.Request(SERVER_URL + '?details')
-    request.add_header('Authorization', auth_header)
-    print_verbose('Downloading list of languages from: %s' % SERVER_URL)
-    try:
-        json_response = urllib.request.urlopen(request)
-    except urllib.error.HTTPError:
-        print_quiet('Username or password incorrect.')
-        return False
-    json_dict = json.loads(json_response.read().decode())
-    languages = [lang['code'] for lang in json_dict['available_languages']]
-    for language in languages:
-        lang_url = SERVER_URL + 'translation/%s/?file' % language
-        request = urllib.request.Request(lang_url)
-        request.add_header('Authorization', auth_header)
-        filename = os.path.join(os.path.abspath('..'), 'resources', 'i18n', language + '.ts')
-        print_verbose('Get Translation File: %s' % filename)
-        response = urllib.request.urlopen(request)
-        fd = open(filename, 'wb')
-        fd.write(response.read())
-        fd.close()
-    print_quiet('   Done.')
-    return True
-
 
 def prepare_project():
     """
     This method creates the project file needed to update the translation files and compile them into .qm files.
     """
-    print_quiet('Generating the openlp.pro file')
+    print('Generating the openlp.pro file')
     lines = []
     start_dir = os.path.abspath('..')
     start_dir = start_dir + os.sep
-    print_verbose('Starting directory: %s' % start_dir)
+    print('Starting directory: %s' % start_dir)
     for root, dirs, files in os.walk(start_dir):
         for file in files:
             path = root.replace(start_dir, '').replace('\\', '/')
@@ -250,180 +69,14 @@ def prepare_project():
                     line = '%s/%s' % (path, file)
                 else:
                     line = file
-                print_verbose('Parsing "%s"' % line)
+                print('Parsing "%s"' % line)
                 lines.append('SOURCES      += %s' % line)
-            elif file.endswith('.ts'):
-                line = '%s/%s' % (path, file)
-                print_verbose('Parsing "%s"' % line)
-                lines.append('TRANSLATIONS += %s' % line)
+    lines.append('TRANSLATIONS += resources/i18n/en.ts')
     lines.sort()
     file = open(os.path.join(start_dir, 'openlp.pro'), 'w')
     file.write('\n'.join(lines))
     file.close()
-    print_quiet('   Done.')
-
-
-def update_translations():
-    print_quiet('Update the translation files')
-    if not os.path.exists(os.path.join(os.path.abspath('..'), 'openlp.pro')):
-        print('You have not generated a project file yet, please run this script with the -p option.')
-        return
-    else:
-        os.chdir(os.path.abspath('..'))
-        run('pylupdate5 -verbose -noobsolete openlp.pro')
-        os.chdir(os.path.abspath('scripts'))
-
-
-def generate_binaries():
-    print_quiet('Generate the related *.qm files')
-    if not os.path.exists(os.path.join(os.path.abspath('..'), 'openlp.pro')):
-        print('You have not generated a project file yet, please run this script with the -p option. It is also ' +
-              'recommended that you this script with the -u option to update the translation files as well.')
-        return
-    else:
-        os.chdir(os.path.abspath('..'))
-        run('lrelease openlp.pro')
-        print_quiet('   Done.')
-
-
-def create_translation():
-    """
-    This method opens a browser to the OpenLP project page at Transifex so
-    that the user can request a new language.
-    """
-    print_quiet('Please request a new language at the OpenLP project on Transifex.')
-    webbrowser.open('https://www.transifex.net/projects/p/openlp/resource/ents/')
-    print_quiet('Opening browser to OpenLP project...')
-
-
-def check_format_strings():
-    """
-    This method runs through the ts-files and looks for mismatches between format strings in the original text
-    and in the translations.
-    """
-    is_ok = True
-    path = os.path.join(os.path.abspath('..'), 'resources', 'i18n', '*.ts')
-    file_list = glob.glob(path)
-    for filename in file_list:
-        print_quiet('Checking %s' % filename)
-        file = open(filename, 'rb')
-        tree = objectify.parse(file)
-        root = tree.getroot()
-        for tag in root.iter('message'):
-            location = tag.location.get('filename')
-            line = tag.location.get('line')
-            org_text = tag.source.text
-            translation = tag.translation.text
-            if not translation:
-                for num in tag.iter('numerusform'):
-                    print_verbose('parsed numerusform: location: %s, source: %s, translation: %s' % (
-                                  location, org_text, num.text))
-                    if num and org_text.count('%') != num.text.count('%'):
-                        is_ok = False
-                        print_quiet(
-                            'ERROR: Translation from %s at line %s has a mismatch of format input:\n%s\n%s\n' % (
-                                location, line, org_text, num.text))
-            else:
-                print_verbose('parsed: location: %s, source: %s, translation: %s' % (location, org_text, translation))
-                if org_text.count('%') != translation.count('%'):
-                    is_ok = False
-                    print_quiet('ERROR: Translation from %s at line %s has a mismatch of format input:\n%s\n%s\n' % (
-                                location, line, org_text, translation))
-    return is_ok
-
-
-def process_stack(command_stack):
-    """
-    This method looks at the commands in the command stack, and processes them
-    in the order they are in the stack.
-
-    ``command_stack``
-        The command stack to process.
-    """
-    is_success = True
-    if command_stack:
-        print_quiet('Processing %d commands...' % len(command_stack))
-        for command in command_stack:
-            print_quiet('%d.' % (command_stack.current_index), False)
-            if command == Command.Download:
-                if not download_translations():
-                    return
-            elif command == Command.Prepare:
-                prepare_project()
-            elif command == Command.Update:
-                update_translations()
-            elif command == Command.Generate:
-                generate_binaries()
-            elif command == Command.Create:
-                create_translation()
-            elif command == Command.Check:
-                is_success = check_format_strings()
-        print_quiet('Finished processing commands.')
-    else:
-        print_quiet('No commands to process.')
-    return is_success
-
-
-def main():
-    global verbose_mode, quiet_mode, username, password
-    # Set up command line options.
-    usage = '%(prog)s [options]\nOptions are parsed in the order they are ' + \
-        'listed below. If no options are given, "-dpug" will be used.\n\n' + \
-        'This script is used to manage OpenLP\'s translation files.'
-    parser = ArgumentParser(usage=usage)
-    parser.add_argument('-U', '--username', dest='username', metavar='USERNAME',
-                        help='Transifex username, used for authentication')
-    parser.add_argument('-P', '--password', dest='password', metavar='PASSWORD',
-                        help='Transifex password, used for authentication')
-    parser.add_argument('-d', '--download-ts', dest='download',
-                        action='store_true', help='download language files from Transifex')
-    parser.add_argument('-c', '--create', dest='create', action='store_true',
-                        help='go to Transifex to request a new translation file')
-    parser.add_argument('-p', '--prepare', dest='prepare', action='store_true',
-                        help='generate a project file, used to update the translations')
-    parser.add_argument('-u', '--update', action='store_true', dest='update',
-                        help='update translation files (needs a project file)')
-    parser.add_argument('-g', '--generate', dest='generate', action='store_true',
-                        help='compile .ts files into .qm files')
-    parser.add_argument('-v', '--verbose', dest='verbose', action='store_true',
-                        help='show extra information while processing translations')
-    parser.add_argument('-q', '--quiet', dest='quiet', action='store_true',
-                        help='suppress all output other than errors')
-    parser.add_argument('-f', '--check-format-strings', dest='check', action='store_true',
-                        help='check that format strings are matching in translations')
-    args = parser.parse_args()
-    # Create and populate the command stack
-    command_stack = CommandStack()
-    if args.download:
-        command_stack.append(Command.Download)
-    if args.create:
-        command_stack.append(Command.Create, arguments=[args.create])
-    if args.prepare:
-        command_stack.append(Command.Prepare)
-    if args.update:
-        command_stack.append(Command.Update)
-    if args.generate:
-        command_stack.append(Command.Generate)
-    if args.check:
-        command_stack.append(Command.Check)
-    verbose_mode = args.verbose
-    quiet_mode = args.quiet
-    if args.username:
-        username = args.username
-    if args.password:
-        password = args.password
-    if not command_stack:
-        command_stack.append(Command.Download)
-        command_stack.append(Command.Prepare)
-        command_stack.append(Command.Update)
-        command_stack.append(Command.Generate)
-    # Process the commands
-    return process_stack(command_stack)
 
 
 if __name__ == '__main__':
-    if os.path.split(os.path.abspath('.'))[1] != 'scripts':
-        print('You need to run this script from the scripts directory.')
-    else:
-        if not main():
-            sys.exit(1)
+    prepare_project()

tests/functional/openlp_core/common/test_common.py

@@ -26,7 +26,7 @@ from pathlib import Path
 from unittest import TestCase
 from unittest.mock import MagicMock, call, patch
 
-from openlp.core.common import clean_button_text, de_hump, extension_loader, is_linux, is_macosx, is_win, \
+from openlp.core.common import Singleton, clean_button_text, de_hump, extension_loader, is_linux, is_macosx, is_win, \
     normalize_str, path_to_module, trace_error_handler
 
 
@@ -163,6 +163,48 @@ class TestCommonFunctions(TestCase):
             mocked_logger.error.assert_called_with(
                 'OpenLP Error trace\n   File openlp.fake at line 56 \n\t called trace_error_handler_test')
 
+    def test_singleton_metaclass_multiple_init(self):
+        """
+        Test that a class using the Singleton Metaclass is only initialised once despite being called several times and
+        that the same instance is returned each time..
+        """
+        # GIVEN: The Singleton Metaclass and a test class using it
+        class SingletonClass(metaclass=Singleton):
+            def __init__(self):
+                pass
+
+        with patch.object(SingletonClass, '__init__', return_value=None) as patched_init:
+
+            # WHEN: Initialising the class multiple times
+            inst_1 = SingletonClass()
+            inst_2 = SingletonClass()
+
+        # THEN: The __init__ method of the SingletonClass should have only been called once, and both returned values
+        #       should be the same instance.
+        assert inst_1 is inst_2
+        assert patched_init.call_count == 1
+
+    def test_singleton_metaclass_multiple_classes(self):
+        """
+        Test that multiple classes using the Singleton Metaclass return the different an appropriate instances.
+        """
+        # GIVEN: Two different classes using the Singleton Metaclass
+        class SingletonClass1(metaclass=Singleton):
+            def __init__(self):
+                pass
+
+        class SingletonClass2(metaclass=Singleton):
+            def __init__(self):
+                pass
+
+        # WHEN: Initialising both classes
+        s_c1 = SingletonClass1()
+        s_c2 = SingletonClass2()
+
+        # THEN: The instances  should be an instance of the appropriate class
+        assert isinstance(s_c1, SingletonClass1)
+        assert isinstance(s_c2, SingletonClass2)
+
     def test_is_win(self):
         """
         Test the is_win() function

tests/functional/openlp_core/lib/test_theme.py

@@ -182,4 +182,4 @@ class TestTheme(TestCase):
         assert 0 == theme.display_vertical_align, 'display_vertical_align should be 0'
         assert theme.font_footer_bold is False, 'font_footer_bold should be False'
         assert 'Arial' == theme.font_main_name, 'font_main_name should be "Arial"'
-        assert 47 == len(theme.__dict__), 'The theme should have 47 attributes'
+        assert 48 == len(theme.__dict__), 'The theme should have 48 attributes'

tests/functional/openlp_core/ui/test_icons.py

@@ -33,7 +33,7 @@ from tests.helpers.testmixin import TestMixin
 
 class TestIcons(TestCase, TestMixin):
 
-    @patch('openlp.core.ui.icons.UiIcons.load')
+    @patch('openlp.core.ui.icons.UiIcons.__init__', return_value=None)
     def test_simple_icon(self, _):
         # GIVEN: an basic set of icons
         icons = UiIcons()

tests/js/test_display.js

@@ -1,3 +1,12 @@
+function _createDiv(attrs) {
+    var div = document.createElement("div");
+    for (key in attrs) {
+        div.setAttribute(key, attrs[key]);
+    }
+    document.body.appendChild(div);
+    return div;
+}
+
 describe("The enumeration object", function () {
   it("BackgroundType should exist", function () {
     expect(BackgroundType).toBeDefined();
@@ -22,9 +31,7 @@ describe("The enumeration object", function () {
 
 describe("The function", function () {
   it("$() should return the right element", function () {
-    var div = document.createElement("div");
-    div.setAttribute("id", "dollar-test");
-    document.body.appendChild(div);
+    var div = _createDiv({"id": "dollar-test"});
     expect($("#dollar-test")[0]).toBe(div);
   });
 
@@ -39,10 +46,8 @@ describe("The function", function () {
   });
 
   it("_getStyle should return the correct style on an element", function () {
-    var div = document.createElement("div");
+    var div = _createDiv({"id": "style-test"});
     div.style.setProperty("width", "100px");
-    div.setAttribute("id", "style-test");
-    document.body.appendChild(div);
     expect(_getStyle($("#style-test")[0], "width")).toBe("100px");
   });
 
@@ -120,10 +125,8 @@ describe("The Display object", function () {
     expect(Display.clearSlides).toBeDefined();
 
     document.body.innerHTML = "";
-    var slidesDiv = document.createElement("div");
-    slidesDiv.setAttribute("class", "slides");
+    var slidesDiv = _createDiv({"class": "slides"});
     slidesDiv.innerHTML = "<section><p></p></section>";
-    document.body.appendChild(slidesDiv);
 
     Display.clearSlides();
     expect($(".slides")[0].innerHTML).toEqual("");
@@ -143,17 +146,18 @@ describe("The Display object", function () {
 describe("Display.addTextSlide", function () {
   beforeEach(function() {
     document.body.innerHTML = "";
-    var slidesDiv = document.createElement("div");
-    slidesDiv.setAttribute("class", "slides");
-    document.body.appendChild(slidesDiv);
+    _createDiv({"class": "slides"});
+    _createDiv({"class": "footer"});
     Display._slides = {};
   });
 
   it("should add a new slide", function () {
-    var verse = "v1", text = "Amazing grace,\nhow sweet the sound";
+    var verse = "v1",
+        text = "Amazing grace,\nhow sweet the sound",
+        footer = "Public Domain";
     spyOn(Display, "reinit");
 
-    Display.addTextSlide(verse, text);
+    Display.addTextSlide(verse, text, footer);
 
     expect(Display._slides[verse]).toEqual(0);
     expect($(".slides > section").length).toEqual(1);
@@ -162,10 +166,12 @@ describe("Display.addTextSlide", function () {
   });
 
   it("should add a new slide without calling reinit()", function () {
-    var verse = "v1", text = "Amazing grace,\nhow sweet the sound";
+    var verse = "v1",
+        text = "Amazing grace,\nhow sweet the sound",
+        footer = "Public Domain";
     spyOn(Display, "reinit");
 
-    Display.addTextSlide(verse, text, false);
+    Display.addTextSlide(verse, text, footer, false);
 
     expect(Display._slides[verse]).toEqual(0);
     expect($(".slides > section").length).toEqual(1);
@@ -174,8 +180,10 @@ describe("Display.addTextSlide", function () {
   });
 
   it("should update an existing slide", function () {
-    var verse = "v1", text = "Amazing grace, how sweet the sound\nThat saved a wretch like me";
-    Display.addTextSlide(verse, "Amazing grace,\nhow sweet the sound", false);
+    var verse = "v1",
+        text = "Amazing grace, how sweet the sound\nThat saved a wretch like me", 
+        footer = "Public Domain";
+    Display.addTextSlide(verse, "Amazing grace,\nhow sweet the sound", footer, false);
     spyOn(Display, "reinit");
 
     Display.addTextSlide(verse, text, true);
@@ -190,18 +198,9 @@ describe("Display.addTextSlide", function () {
 describe("Display.setTextSlides", function () {
   beforeEach(function() {
     document.body.innerHTML = "";
-    var slidesDiv = document.createElement("div");
-    slidesDiv.setAttribute("class", "slides");
-    document.body.appendChild(slidesDiv);
-
-    var background = document.createElement("div");
-    background.setAttribute("id", "global-background");
-    document.body.appendChild(background);
-
-    var footer = document.createElement("div");
-    footer.setAttribute("class", "footer");
-    document.body.appendChild(footer);
-
+    _createDiv({"class": "slides"});
+    _createDiv({"class": "footer"});
+    _createDiv({"id": "global-background"});
     Display._slides = {};
   });
 
@@ -210,12 +209,14 @@ describe("Display.setTextSlides", function () {
       {
         "verse": "v1",
         "text": "Amazing grace, how sweet the sound\nThat saved a wretch like me\n" +
-                "I once was lost, but now I'm found\nWas blind but now I see"
+                "I once was lost, but now I'm found\nWas blind but now I see",
+        "footer": "Public Domain"
       },
       {
         "verse": "v2",
         "text": "'twas Grace that taught, my heart to fear\nAnd grace, my fears relieved.\n" +
-                "How precious did that grace appear,\nthe hour I first believed."
+                "How precious did that grace appear,\nthe hour I first believed.",
+        "footer": "Public Domain"
       }
     ];
     spyOn(Display, "clearSlides");
@@ -232,29 +233,27 @@ describe("Display.setTextSlides", function () {
     expect(Reveal.slide).toHaveBeenCalledWith(0);
   });
 
-  it("should correctly set outline width", function () {
+  xit("should correctly set outline width (skipped for now)", function () {
     const slides = [
       {
         "verse": "v1",
         "text": "Amazing grace, how sweet the sound\nThat saved a wretch like me\n" +
-                "I once was lost, but now I'm found\nWas blind but now I see"
+                "I once was lost, but now I'm found\nWas blind but now I see",
+        "footer": "Public Domain"
       }
     ];
-
     const theme = {
       'font_main_color': 'yellow',
       'font_main_outline': true,
       'font_main_outline_size': 42,
       'font_main_outline_color': 'red'
     };
-
     spyOn(Display, "reinit");
 
     Display.setTextSlides(slides);
     Display.setTheme(theme);
 
     const slidesDiv = $(".slides")[0];
-
     expect(slidesDiv.style['-webkit-text-stroke']).toEqual('42pt red');
     expect(slidesDiv.style['padding-left']).toEqual('84pt');
     expect(slidesDiv.style['-webkit-text-fill-color']).toEqual('yellow');
@@ -264,12 +263,9 @@ describe("Display.setTextSlides", function () {
 describe("Display.setImageSlides", function () {
   beforeEach(function() {
     document.body.innerHTML = "";
-    var slidesDiv = document.createElement("div");
-    slidesDiv.setAttribute("class", "slides");
-    document.body.appendChild(slidesDiv);
-    var backgroundDiv = document.createElement("div");
-    backgroundDiv.setAttribute("id", "global-background");
-    document.body.appendChild(backgroundDiv);
+    _createDiv({"class": "slides"});
+    _createDiv({"class": "footer"});
+    _createDiv({"id": "global-background"});
     Display._slides = {};
   });
 
@@ -286,7 +282,9 @@ describe("Display.setImageSlides", function () {
     expect($(".slides > section").length).toEqual(2);
     expect($(".slides > section > img").length).toEqual(2);
     expect($(".slides > section > img")[0].getAttribute("src")).toEqual("file:///openlp1.jpg")
+    expect($(".slides > section > img")[0].getAttribute("style")).toEqual("max-width: 100%; max-height: 100%; margin: 0; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);")
     expect($(".slides > section > img")[1].getAttribute("src")).toEqual("file:///openlp2.jpg")
+    expect($(".slides > section > img")[1].getAttribute("style")).toEqual("max-width: 100%; max-height: 100%; margin: 0; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);")
     expect(Display.reinit).toHaveBeenCalledTimes(1);
   });
 });
@@ -294,12 +292,8 @@ describe("Display.setImageSlides", function () {
 describe("Display.setVideo", function () {
   beforeEach(function() {
     document.body.innerHTML = "";
-    var slidesDiv = document.createElement("div");
-    slidesDiv.setAttribute("class", "slides");
-    document.body.appendChild(slidesDiv);
-    var backgroundDiv = document.createElement("div");
-    backgroundDiv.setAttribute("id", "global-background");
-    document.body.appendChild(backgroundDiv);
+    _createDiv({"class": "slides"});
+    _createDiv({"id": "global-background"});
     Display._slides = {};
   });