# -*- coding: utf-8 -*- # vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4 ############################################################################### # OpenLP - Open Source Lyrics Projection # # --------------------------------------------------------------------------- # # Copyright (c) 2008-2010 Raoul Snyman # # Portions copyright (c) 2008-2010 Tim Bentley, Jonathan Corwin, Michael # # Gorven, Scott Guerrieri, Meinert Jordan, Andreas Preikschat, Christian # # Richter, Philip Ridout, Maikel Stuivenberg, Martin Thompson, Jon Tibble, # # Carsten Tinggaard, Frode Woldsund # # --------------------------------------------------------------------------- # # This program is free software; you can redistribute it and/or modify it # # under the terms of the GNU General Public License as published by the Free # # Software Foundation; version 2 of the License. # # # # This program is distributed in the hope that it will be useful, but WITHOUT # # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # # more details. # # # # You should have received a copy of the GNU General Public License along # # with this program; if not, write to the Free Software Foundation, Inc., 59 # # Temple Place, Suite 330, Boston, MA 02111-1307 USA # ############################################################################### import os import zipfile import shutil import logging from xml.etree.ElementTree import ElementTree, XML from PyQt4 import QtCore, QtGui from openlp.core.ui import AmendThemeForm, FileRenameForm, ThemeWizardForm from openlp.core.theme import Theme from openlp.core.lib import OpenLPToolbar, context_menu_action, \ ThemeXML, str_to_bool, get_text_file_string, build_icon, Receiver, \ context_menu_separator, SettingsManager, translate, check_item_selected from openlp.core.utils import AppLocation, get_filesystem_encoding log = logging.getLogger(__name__) class ThemeManager(QtGui.QWidget): """ Manages the orders of Theme. """ def __init__(self, parent): QtGui.QWidget.__init__(self, parent) self.parent = parent self.settingsSection = u'themes' self.serviceComboBox = self.parent.ServiceManagerContents.themeComboBox self.layout = QtGui.QVBoxLayout(self) self.layout.setSpacing(0) self.layout.setMargin(0) self.amendThemeForm = AmendThemeForm(self) self.themeWizardForm = ThemeWizardForm(self) self.fileRenameForm = FileRenameForm(self) self.toolbar = OpenLPToolbar(self) self.toolbar.addToolbarButton( translate('OpenLP.ThemeManager', 'New Theme'), u':/themes/theme_new.png', translate('OpenLP.ThemeManager', 'Create a new theme.'), self.onAddTheme) self.toolbar.addToolbarButton( translate('OpenLP.ThemeManager', 'Edit Theme'), u':/themes/theme_edit.png', translate('OpenLP.ThemeManager', 'Edit a theme.'), self.onEditTheme) self.toolbar.addToolbarButton( translate('OpenLP.ThemeManager', 'Delete Theme'), u':/general/general_delete.png', translate('OpenLP.ThemeManager', 'Delete a theme.'), self.onDeleteTheme) self.toolbar.addSeparator() self.toolbar.addToolbarButton( translate('OpenLP.ThemeManager', 'Import Theme'), u':/general/general_import.png', translate('OpenLP.ThemeManager', 'Import a theme.'), self.onImportTheme) self.toolbar.addToolbarButton( translate('OpenLP.ThemeManager', 'Export Theme'), u':/general/general_export.png', translate('OpenLP.ThemeManager', 'Export a theme.'), self.onExportTheme) self.themeWidget = QtGui.QWidgetAction(self.toolbar) self.layout.addWidget(self.toolbar) self.themeListWidget = QtGui.QListWidget(self) self.themeListWidget.setAlternatingRowColors(True) self.themeListWidget.setIconSize(QtCore.QSize(88, 50)) self.layout.addWidget(self.themeListWidget) self.themeListWidget.setContextMenuPolicy(QtCore.Qt.CustomContextMenu) QtCore.QObject.connect(self.themeListWidget, QtCore.SIGNAL('customContextMenuRequested(QPoint)'), self.contextMenu) # build the context menu self.menu = QtGui.QMenu() self.editAction = self.menu.addAction( translate('OpenLP.ThemeManager', '&Edit Theme')) self.editAction.setIcon(build_icon(u':/themes/theme_edit.png')) self.copyAction = self.menu.addAction( translate('OpenLP.ThemeManager', '&Copy Theme')) self.copyAction.setIcon(build_icon(u':/themes/theme_edit.png')) self.renameAction = self.menu.addAction( translate('OpenLP.ThemeManager', '&Rename Theme')) self.renameAction.setIcon(build_icon(u':/themes/theme_edit.png')) self.deleteAction = self.menu.addAction( translate('OpenLP.ThemeManager', '&Delete Theme')) self.deleteAction.setIcon(build_icon(u':/general/general_delete.png')) self.sep1 = self.menu.addAction(u'') self.sep1.setSeparator(True) self.globalAction = self.menu.addAction( translate('OpenLP.ThemeManager', 'Set As &Global Default')) self.globalAction.setIcon(build_icon(u':/general/general_export.png')) self.exportAction = self.menu.addAction( translate('OpenLP.ThemeManager', '&Export Theme')) self.exportAction.setIcon(build_icon(u':/general/general_export.png')) #Signals QtCore.QObject.connect(self.themeListWidget, QtCore.SIGNAL(u'doubleClicked(QModelIndex)'), self.changeGlobalFromScreen) QtCore.QObject.connect(Receiver.get_receiver(), QtCore.SIGNAL(u'theme_update_global'), self.changeGlobalFromTab) #Variables self.themelist = [] self.path = AppLocation.get_section_data_path(self.settingsSection) self.checkThemesExists(self.path) self.thumbPath = os.path.join(self.path, u'thumbnails') self.checkThemesExists(self.thumbPath) self.amendThemeForm.path = self.path self.oldBackgroundImage = None self.editingDefault = False # Last little bits of setting up self.global_theme = unicode(QtCore.QSettings().value( self.settingsSection + u'/global theme', QtCore.QVariant(u'')).toString()) def contextMenu(self, point): item = self.themeListWidget.itemAt(point) if item is None: return realThemeName = unicode(item.data(QtCore.Qt.UserRole).toString()) themeName = unicode(item.text()) self.deleteAction.setVisible(False) self.renameAction.setVisible(False) self.globalAction.setVisible(False) # If default theme restrict actions if realThemeName == themeName: self.deleteAction.setVisible(True) self.renameAction.setVisible(True) self.globalAction.setVisible(True) action = self.menu.exec_(self.themeListWidget.mapToGlobal(point)) if action == self.editAction: self.onEditTheme() if action == self.copyAction: self.onCopyTheme() if action == self.renameAction: self.onRenameTheme() if action == self.deleteAction: self.onDeleteTheme() if action == self.globalAction: self.changeGlobalFromScreen() if action == self.exportAction: self.onExportTheme() def changeGlobalFromTab(self, themeName): """ Change the global theme when it is changed through the Themes settings tab """ log.debug(u'changeGlobalFromTab %s', themeName) for count in range (0, self.themeListWidget.count()): # reset the old name item = self.themeListWidget.item(count) oldName = item.text() newName = unicode(item.data(QtCore.Qt.UserRole).toString()) if oldName != newName: self.themeListWidget.item(count).setText(newName) # Set the new name if themeName == newName: name = unicode(translate('OpenLP.ThemeManager', '%s (default)')) % newName self.themeListWidget.item(count).setText(name) def changeGlobalFromScreen(self, index = -1): """ Change the global theme when a theme is double clicked upon in the Theme Manager list """ log.debug(u'changeGlobalFromScreen %s', index) selected_row = self.themeListWidget.currentRow() for count in range (0, self.themeListWidget.count()): item = self.themeListWidget.item(count) oldName = item.text() # reset the old name if oldName != unicode(item.data(QtCore.Qt.UserRole).toString()): self.themeListWidget.item(count).setText( unicode(item.data(QtCore.Qt.UserRole).toString())) # Set the new name if count == selected_row: self.global_theme = unicode( self.themeListWidget.item(count).text()) name = unicode(translate('OpenLP.ThemeManager', '%s (default)')) % self.global_theme self.themeListWidget.item(count).setText(name) QtCore.QSettings().setValue( self.settingsSection + u'/global theme', QtCore.QVariant(self.global_theme)) Receiver.send_message(u'theme_update_global', self.global_theme) self.pushThemes() def onAddTheme(self): """ Loads a new theme with the default settings and then launches the theme editing form for the user to make their customisations. """ theme = ThemeXML() #self.createThemeFromXml(self.baseTheme(), self.path) #self.amendThemeForm.loadTheme(theme) self.saveThemeName = u'' self.themeWizardForm.theme = theme self.themeWizardForm.exec_() def onRenameTheme(self): """ Renames an existing theme to a new name """ item = self.themeListWidget.currentItem() oldThemeName = unicode(item.data(QtCore.Qt.UserRole).toString()) self.fileRenameForm.FileNameEdit.setText(oldThemeName) self.saveThemeName = u'' if self.fileRenameForm.exec_(): newThemeName = unicode(self.fileRenameForm.FileNameEdit.text()) oldThemeData = self.getThemeData(oldThemeName) self.deleteTheme(oldThemeName) self.cloneThemeData(oldThemeData, newThemeName) def onCopyTheme(self): """ Copies an existing theme to a new name """ item = self.themeListWidget.currentItem() oldThemeName = unicode(item.data(QtCore.Qt.UserRole).toString()) self.fileRenameForm.FileNameEdit.setText(oldThemeName) self.saveThemeName = u'' if self.fileRenameForm.exec_(): newThemeName = unicode(self.fileRenameForm.FileNameEdit.text()) themeData = self.getThemeData(oldThemeName) self.cloneThemeData(themeData, newThemeName) self.loadThemes() def cloneThemeData(self, themeData, newThemeName): """ Takes a theme and makes a new copy of it as well as saving it. """ log.debug(u'cloneThemeData') themeData.new_document(newThemeName) themeData.build_xml_from_attrs() save_to = None save_from = None if themeData.background_type == u'image': save_to = os.path.join(self.path, newThemeName, os.path.split(unicode(themeData.background_filename))[1]) save_from = themeData.background_filename theme = themeData.extract_xml() pretty_theme =themeData.extract_formatted_xml() self.saveTheme(newThemeName, theme, pretty_theme, save_from, save_to) def onEditTheme(self): """ Loads the settings for the theme that is to be edited and launches the theme editing form so the user can make their changes. """ if check_item_selected(self.themeListWidget, translate('OpenLP.ThemeManager', 'You must select a theme to edit.')): item = self.themeListWidget.currentItem() themeName = unicode(item.text()) if themeName != unicode(item.data(QtCore.Qt.UserRole).toString()): self.editingDefault = True theme = self.getThemeData( unicode(item.data(QtCore.Qt.UserRole).toString())) if theme.background_type == u'image': self.oldBackgroundImage = theme.background_filename #self.amendThemeForm.loadTheme(theme) self.saveThemeName = unicode( item.data(QtCore.Qt.UserRole).toString()) #self.amendThemeForm.exec_() self.themeWizardForm.theme = theme self.themeWizardForm.exec_() def onDeleteTheme(self): """ Delete a theme """ self.global_theme = unicode(QtCore.QSettings().value( self.settingsSection + u'/global theme', QtCore.QVariant(u'')).toString()) if check_item_selected(self.themeListWidget, translate('OpenLP.ThemeManager', 'You must select a theme to delete.')): item = self.themeListWidget.currentItem() theme = unicode(item.text()) # confirm deletion answer = QtGui.QMessageBox.question(self, translate('OpenLP.ThemeManager', 'Delete Confirmation'), translate('OpenLP.ThemeManager', 'Delete theme?'), QtGui.QMessageBox.StandardButtons(QtGui.QMessageBox.Yes | QtGui.QMessageBox.No), QtGui.QMessageBox.No) if answer == QtGui.QMessageBox.No: return # should be the same unless default if theme != unicode(item.data(QtCore.Qt.UserRole).toString()): QtGui.QMessageBox.critical(self, translate('OpenLP.ThemeManager', 'Error'), translate('OpenLP.ThemeManager', 'You are unable to delete the default theme.')) else: for plugin in self.parent.plugin_manager.plugins: if plugin.usesTheme(theme): QtGui.QMessageBox.critical(self, translate('OpenLP.ThemeManager', 'Error'), unicode(translate('OpenLP.ThemeManager', 'Theme %s is used in the %s plugin.')) % \ (theme, plugin.name)) return if unicode(self.serviceComboBox.currentText()) == theme: QtGui.QMessageBox.critical(self, translate('OpenLP.ThemeManager', 'Error'), unicode(translate('OpenLP.ThemeManager', 'Theme %s is used by the service manager.')) % theme) return row = self.themeListWidget.row(item) self.themeListWidget.takeItem(row) self.deleteTheme(theme) def deleteTheme(self, theme): """ Delete a theme. ``theme`` The theme to delete. """ self.themelist.remove(theme) thumb = theme + u'.png' try: os.remove(os.path.join(self.path, thumb)) os.remove(os.path.join(self.thumbPath, thumb)) encoding = get_filesystem_encoding() shutil.rmtree(os.path.join(self.path, theme).encode(encoding)) except OSError: log.exception(u'Error deleting theme %s', theme) # As we do not reload the themes push out the change # Reaload the list as the internal lists and events need # to be triggered self.pushThemes() def onExportTheme(self): """ Save the theme in a zip file """ item = self.themeListWidget.currentItem() if item is None: QtGui.QMessageBox.critical(self, translate('OpenLP.ThemeManager', 'Error'), translate('OpenLP.ThemeManager', 'You have not selected a theme.')) return theme = unicode(item.data(QtCore.Qt.UserRole).toString()) path = QtGui.QFileDialog.getExistingDirectory(self, unicode(translate('OpenLP.ThemeManager', 'Save Theme - (%s)')) % theme, SettingsManager.get_last_dir(self.settingsSection, 1)) path = unicode(path) if path: SettingsManager.set_last_dir(self.settingsSection, path, 1) themePath = os.path.join(path, theme + u'.otz') zip = None try: zip = zipfile.ZipFile(themePath, u'w') source = os.path.join(self.path, theme) for files in os.walk(source): for name in files[2]: zip.write( os.path.join(source, name).encode(u'utf-8'), os.path.join(theme, name).encode(u'utf-8')) QtGui.QMessageBox.information(self, translate('OpenLP.ThemeManager', 'Theme Exported'), translate('OpenLP.ThemeManager', 'Your theme has been successfully exported.')) except (IOError, OSError): log.exception(u'Export Theme Failed') QtGui.QMessageBox.critical(self, translate('OpenLP.ThemeManager', 'Theme Export Failed'), translate('OpenLP.ThemeManager', 'Your theme could not be exported due to an error.')) finally: if zip: zip.close() def onImportTheme(self): """ Opens a file dialog to select the theme file(s) to import before attempting to extract OpenLP themes from those files. This process will load both OpenLP version 1 and version 2 themes. """ files = QtGui.QFileDialog.getOpenFileNames(self, translate('OpenLP.ThemeManager', 'Select Theme Import File'), SettingsManager.get_last_dir(self.settingsSection), translate('OpenLP.ThemeManager', 'Theme (*.*)')) log.info(u'New Themes %s', unicode(files)) if files: for file in files: SettingsManager.set_last_dir( self.settingsSection, unicode(file)) self.unzipTheme(file, self.path) self.loadThemes() def loadThemes(self): """ Loads the theme lists and triggers updates accross the whole system using direct calls or core functions and events for the plugins. The plugins will call back in to get the real list if they want it. """ log.debug(u'Load themes from dir') self.themelist = [] self.themeListWidget.clear() dirList = os.listdir(self.path) for name in dirList: if name.endswith(u'.png'): # check to see file is in theme root directory theme = os.path.join(self.path, name) if os.path.exists(theme): textName = os.path.splitext(name)[0] if textName == self.global_theme: name = unicode(translate('OpenLP.ThemeManager', '%s (default)')) % textName else: name = textName thumb = os.path.join(self.thumbPath, u'%s.png' % textName) item_name = QtGui.QListWidgetItem(name) if os.path.exists(thumb): icon = build_icon(thumb) else: icon = build_icon(theme) pixmap = icon.pixmap(QtCore.QSize(88, 50)) pixmap.save(thumb, u'png') item_name.setIcon(icon) item_name.setData(QtCore.Qt.UserRole, QtCore.QVariant(textName)) self.themeListWidget.addItem(item_name) self.themelist.append(textName) self.pushThemes() def pushThemes(self): """ Notify listeners that the theme list has been updated """ Receiver.send_message(u'theme_update_list', self.getThemes()) def getThemes(self): """ Return the list of loaded themes """ return self.themelist def getThemeData(self, themename): """ Returns a theme object from an XML file ``themename`` Name of the theme to load from file """ log.debug(u'getthemedata for theme %s', themename) xml_file = os.path.join(self.path, unicode(themename), unicode(themename) + u'.xml') xml = get_text_file_string(xml_file) if not xml: return self.baseTheme() else: return self.createThemeFromXml(xml, self.path) def checkThemesExists(self, dir): """ Check a theme directory exists and if not create it ``dir`` Theme directory to make sure exists """ log.debug(u'check themes') if not os.path.exists(dir): os.mkdir(dir) def unzipTheme(self, filename, dir): """ Unzip the theme, remove the preview file if stored Generate a new preview fileCheck the XML theme version and upgrade if necessary. """ log.debug(u'Unzipping theme %s', filename) filename = unicode(filename) zip = None outfile = None try: zip = zipfile.ZipFile(filename) filexml = None themename = None for file in zip.namelist(): try: ucsfile = file.decode(u'utf-8') except UnicodeDecodeError: QtGui.QMessageBox.critical( self, translate('OpenLP.ThemeManager', 'Error'), translate('OpenLP.ThemeManager', 'File is not a valid theme.\n' 'The content encoding is not UTF-8.')) log.exception(u'Filename "%s" is not valid UTF-8' % file.decode(u'utf-8', u'replace')) continue osfile = unicode(QtCore.QDir.toNativeSeparators(ucsfile)) theme_dir = None if osfile.endswith(os.path.sep): theme_dir = os.path.join(dir, osfile) if not os.path.exists(theme_dir): os.mkdir(os.path.join(dir, osfile)) else: fullpath = os.path.join(dir, osfile) names = osfile.split(os.path.sep) if len(names) > 1: # not preview file if themename is None: themename = names[0] if theme_dir is None: theme_dir = os.path.join(dir, names[0]) if not os.path.exists(theme_dir): os.mkdir(os.path.join(dir, names[0])) if os.path.splitext(ucsfile)[1].lower() in [u'.xml']: xml_data = zip.read(file) try: xml_data = xml_data.decode(u'utf-8') except UnicodeDecodeError: log.exception(u'Theme XML is not UTF-8 ' u'encoded.') break filexml = self.checkVersionAndConvert(xml_data) outfile = open(fullpath, u'w') outfile.write(filexml.encode(u'utf-8')) else: outfile = open(fullpath, u'wb') outfile.write(zip.read(file)) if filexml: self.generateAndSaveImage(dir, themename, filexml) else: QtGui.QMessageBox.critical(self, translate('OpenLP.ThemeManager', 'Error'), translate('OpenLP.ThemeManager', 'File is not a valid theme.')) log.exception(u'Theme file does not contain XML data %s' % filename) except (IOError, NameError): QtGui.QMessageBox.critical(self, translate('OpenLP.ThemeManager', 'Error'), translate('OpenLP.ThemeManager', 'File is not a valid theme.')) log.exception(u'Importing theme from zip failed %s' % filename) finally: if zip: zip.close() if outfile: outfile.close() def checkVersionAndConvert(self, xml_data): """ Check if a theme is from OpenLP version 1 ``xml_data`` Theme XML to check the version of """ log.debug(u'checkVersion1 ') theme = xml_data.encode(u'ascii', u'xmlcharrefreplace') tree = ElementTree(element=XML(theme)).getroot() # look for old version 1 tags if tree.find(u'BackgroundType') is None: return xml_data else: return self.migrateVersion122(xml_data) def migrateVersion122(self, xml_data): """ Convert the xml data from version 1 format to the current format. New fields are loaded with defaults to provide a complete, working theme containing all compatible customisations from the old theme. ``xml_data`` Version 1 theme to convert """ theme = Theme(xml_data) newtheme = ThemeXML() newtheme.new_document(theme.Name) if theme.BackgroundType == 0: newtheme.add_background_solid(unicode( theme.BackgroundParameter1.name())) elif theme.BackgroundType == 1: direction = u'vertical' if theme.BackgroundParameter3.name() == 1: direction = u'horizontal' newtheme.add_background_gradient( unicode(theme.BackgroundParameter1.name()), unicode(theme.BackgroundParameter2.name()), direction) else: newtheme.add_background_image(unicode(theme.BackgroundParameter1)) newtheme.add_font(unicode(theme.FontName), unicode(theme.FontColor.name()), unicode(theme.FontProportion * 3), u'False') newtheme.add_font(unicode(theme.FontName), unicode(theme.FontColor.name()), unicode(12), u'False', u'footer') outline = False shadow = False if theme.Shadow == 1: shadow = True if theme.Outline == 1: outline = True vAlignCorrection = 0 if theme.VerticalAlign == 2: vAlignCorrection = 1 elif theme.VerticalAlign == 1: vAlignCorrection = 2 newtheme.add_display(unicode(shadow), unicode(theme.ShadowColor.name()), unicode(outline), unicode(theme.OutlineColor.name()), unicode(theme.HorizontalAlign), unicode(vAlignCorrection), unicode(theme.WrapStyle), unicode(0)) return newtheme.extract_xml() def saveTheme(self, name, theme_xml, theme_pretty_xml, image_from, image_to): """ Called by thememaintenance Dialog to save the theme and to trigger the reload of the theme list """ log.debug(u'saveTheme %s %s', name, theme_xml) theme_dir = os.path.join(self.path, name) if not os.path.exists(theme_dir): os.mkdir(os.path.join(self.path, name)) theme_file = os.path.join(theme_dir, name + u'.xml') log.debug(theme_file) editedServiceTheme = False result = QtGui.QMessageBox.Yes if self.saveThemeName != name: if os.path.exists(theme_file): result = QtGui.QMessageBox.question(self, translate('OpenLP.ThemeManager', 'Theme Exists'), translate('OpenLP.ThemeManager', 'A theme with this name already ' 'exists. Would you like to overwrite it?'), (QtGui.QMessageBox.Yes | QtGui.QMessageBox.No), QtGui.QMessageBox.No) if self.saveThemeName != u'': for plugin in self.parent.plugin_manager.plugins: if plugin.usesTheme(self.saveThemeName): plugin.renameTheme(self.saveThemeName, name) if unicode(self.serviceComboBox.currentText()) == name: editedServiceTheme = True self.deleteTheme(self.saveThemeName) if result == QtGui.QMessageBox.Yes: # Save the theme, overwriting the existing theme if necessary. if image_to and self.oldBackgroundImage and \ image_to != self.oldBackgroundImage: try: os.remove(self.oldBackgroundImage) except OSError: log.exception(u'Unable to remove old theme background') outfile = None try: outfile = open(theme_file, u'w') outfile.write(theme_pretty_xml) except IOError: log.exception(u'Saving theme to file failed') finally: if outfile: outfile.close() if image_from and image_from != image_to: try: encoding = get_filesystem_encoding() shutil.copyfile( unicode(image_from).encode(encoding), unicode(image_to).encode(encoding)) except IOError: log.exception(u'Failed to save theme image') self.generateAndSaveImage(self.path, name, theme_xml) self.loadThemes() # Check if we need to set a new service theme if editedServiceTheme: newThemeIndex = self.serviceComboBox.findText(name) if newThemeIndex != -1: self.serviceComboBox.setCurrentIndex(newThemeIndex) if self.editingDefault: if self.saveThemeName != name: newThemeItem = self.themeListWidget.findItems(name, QtCore.Qt.MatchExactly)[0] newThemeIndex = self.themeListWidget.indexFromItem( newThemeItem).row() self.global_theme = unicode( self.themeListWidget.item(newThemeIndex).text()) newName = unicode(translate('OpenLP.ThemeManager', '%s (default)')) % self.global_theme self.themeListWidget.item(newThemeIndex).setText(newName) QtCore.QSettings().setValue( self.settingsSection + u'/global theme', QtCore.QVariant(self.global_theme)) Receiver.send_message(u'theme_update_global', self.global_theme) self.editingDefault = False self.pushThemes() else: # Don't close the dialog - allow the user to change the name of # the theme or to cancel the theme dialog completely. return False def generateAndSaveImage(self, dir, name, theme_xml): log.debug(u'generateAndSaveImage %s %s %s', dir, name, theme_xml) theme = self.createThemeFromXml(theme_xml, dir) frame = self.generateImage(theme) samplepathname = os.path.join(self.path, name + u'.png') if os.path.exists(samplepathname): os.unlink(samplepathname) frame.save(samplepathname, u'png') thumb = os.path.join(self.thumbPath, u'%s.png' % name) icon = build_icon(frame) pixmap = icon.pixmap(QtCore.QSize(88, 50)) pixmap.save(thumb, u'png') log.debug(u'Theme image written to %s', samplepathname) def generateImage(self, themedata): """ Call the RenderManager to build a Sample Image """ log.debug(u'generateImage \n%s ', themedata) return self.parent.RenderManager.generate_preview(themedata) def getPreviewImage(self, theme): """ Return an image representing the look of the theme ``theme`` The theme to return the image for """ log.debug(u'getPreviewImage %s ', theme) image = os.path.join(self.path, theme + u'.png') return image def baseTheme(self): """ Provide a base theme with sensible defaults """ log.debug(u'base theme created') newtheme = ThemeXML() # newtheme.new_document( # unicode(translate('OpenLP.ThemeManager', 'New Theme'))) # newtheme.add_background_solid(u'#000000') # newtheme.add_font(unicode(QtGui.QFont().family()), u'#FFFFFF', # u'30', u'False') # newtheme.add_font(unicode(QtGui.QFont().family()), u'#FFFFFF', # u'12', u'False', u'footer') # newtheme.add_display(u'0', u'0', u'0') return newtheme.extract_xml() def createThemeFromXml(self, theme_xml, path): """ Return a theme object using information parsed from XML ``theme_xml`` The XML data to load into the theme """ theme = ThemeXML() theme.parse(theme_xml) theme.extend_image_filename(path) return theme