forked from openlp/openlp
361 lines
15 KiB
Python
361 lines
15 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
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"""
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OpenLP - Open Source Lyrics Projection
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Copyright (c) 2009 Raoul Snyman
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Portions copyright (c) 2009 Martin Thompson, Tim Bentley,
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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"""
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import os
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import sys
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import zipfile
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import shutil
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import logging
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from xml.etree.ElementTree import ElementTree, XML
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from PyQt4 import QtCore, QtGui
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from openlp.core.ui import AmendThemeForm, ServiceManager
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from openlp.core.theme import Theme
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from openlp.core.lib import PluginConfig, \
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OpenLPToolbar, ThemeXML, Renderer, translate, \
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file_to_xml, buildIcon, Receiver
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from openlp.core.utils import ConfigHelper
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class ThemeManager(QtGui.QWidget):
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"""
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Manages the orders of Theme.
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"""
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global log
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log = logging.getLogger(u'ThemeManager')
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def __init__(self, parent):
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QtGui.QWidget.__init__(self, parent)
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self.parent = parent
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self.Layout = QtGui.QVBoxLayout(self)
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self.Layout.setSpacing(0)
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self.Layout.setMargin(0)
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self.amendThemeForm = AmendThemeForm(self)
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self.Toolbar = OpenLPToolbar(self)
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self.Toolbar.addToolbarButton(
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translate(u'ThemeManager', u'New Theme'), u':/themes/theme_new.png',
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translate(u'ThemeManager', u'Create a new theme'), self.onAddTheme)
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self.Toolbar.addToolbarButton(
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translate(u'ThemeManager', u'Edit Theme'), u':/themes/theme_edit.png',
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translate(u'ThemeManager', u'Edit a theme'), self.onEditTheme)
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self.Toolbar.addToolbarButton(
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translate(u'ThemeManager', u'Delete Theme'), u':/themes/theme_delete.png',
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translate(u'ThemeManager', u'Delete a theme'), self.onDeleteTheme)
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self.Toolbar.addSeparator()
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self.Toolbar.addToolbarButton(
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translate(u'ThemeManager', u'Import Theme'), u':/themes/theme_import.png',
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translate(u'ThemeManager', u'Import a theme'), self.onImportTheme)
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self.Toolbar.addToolbarButton(
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translate(u'ThemeManager', u'Export Theme'), u':/themes/theme_export.png',
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translate(u'ThemeManager', u'Export a theme'), self.onExportTheme)
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self.ThemeWidget = QtGui.QWidgetAction(self.Toolbar)
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self.Layout.addWidget(self.Toolbar)
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self.ThemeListWidget = QtGui.QListWidget(self)
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self.ThemeListWidget.setAlternatingRowColors(True)
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self.ThemeListWidget.setIconSize(QtCore.QSize(88,50))
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self.Layout.addWidget(self.ThemeListWidget)
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#Signals
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QtCore.QObject.connect(self.ThemeListWidget,
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QtCore.SIGNAL(u'doubleClicked(QModelIndex)'), self.changeGlobalFromScreen)
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QtCore.QObject.connect(Receiver.get_receiver(),
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QtCore.SIGNAL(u'update_global_theme'), self.changeGlobalFromTab)
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#Variables
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self.themelist = []
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self.path = os.path.join(ConfigHelper.get_data_path(), u'themes')
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self.checkThemesExists(self.path)
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self.amendThemeForm.path = self.path
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# Last little bits of setting up
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self.config = PluginConfig(u'themes')
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self.servicePath = self.config.get_data_path()
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self.global_theme = unicode(self.config.get_config(u'theme global theme', u''))
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def changeGlobalFromTab(self, themeName):
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log.debug(u'changeGlobalFromTab %s', themeName)
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for count in range (0, self.ThemeListWidget.count()):
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#reset the old name
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item = self.ThemeListWidget.item(count)
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oldName = item.text()
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newName = unicode(item.data(QtCore.Qt.UserRole).toString())
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if oldName != newName:
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self.ThemeListWidget.item(count).setText(newName)
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#Set the new name
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if themeName == newName:
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name = u'%s (%s)' % (newName, translate(u'ThemeManager', u'default'))
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self.ThemeListWidget.item(count).setText(name)
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def changeGlobalFromScreen(self, index):
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log.debug(u'changeGlobalFromScreen %s', index)
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for count in range (0, self.ThemeListWidget.count()):
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item = self.ThemeListWidget.item(count)
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oldName = item.text()
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#reset the old name
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if oldName != unicode(item.data(QtCore.Qt.UserRole).toString()):
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self.ThemeListWidget.item(count).setText(unicode(item.data(QtCore.Qt.UserRole).toString()))
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#Set the new name
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if count == index.row():
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self.global_theme = unicode(self.ThemeListWidget.item(count).text())
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name = u'%s (%s)' % (self.global_theme, translate(u'ThemeManager', u'default'))
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self.ThemeListWidget.item(count).setText(name)
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self.config.set_config(u'theme global theme', self.global_theme)
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Receiver().send_message(u'update_global_theme', self.global_theme )
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self.pushThemes()
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def onAddTheme(self):
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self.amendThemeForm.loadTheme(None)
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self.amendThemeForm.exec_()
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def onEditTheme(self):
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item = self.ThemeListWidget.currentItem()
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if item is not None:
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self.amendThemeForm.loadTheme(unicode(item.data(QtCore.Qt.UserRole).toString()))
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self.amendThemeForm.exec_()
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def onDeleteTheme(self):
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self.global_theme = unicode(self.config.get_config(u'theme global theme', u''))
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item = self.ThemeListWidget.currentItem()
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if item is not None:
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theme = unicode(item.text())
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# should be the same unless default
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if theme != unicode(item.data(QtCore.Qt.UserRole).toString()):
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QtGui.QMessageBox.critical(self,
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translate(u'ThemeManager', u'Error'),
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translate(u'ThemeManager', u'You are unable to delete the default theme!'),
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QtGui.QMessageBox.StandardButtons(QtGui.QMessageBox.Ok))
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else:
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self.themelist.remove(theme)
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th = theme + u'.png'
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row = self.ThemeListWidget.row(item)
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self.ThemeListWidget.takeItem(row)
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try:
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os.remove(os.path.join(self.path, th))
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except:
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#if not present do not worry
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pass
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try:
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shutil.rmtree(os.path.join(self.path, theme))
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except:
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#if not present do not worry
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pass
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#As we do not reload the themes push out the change
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#Reaload the list as the internal lists and events need to be triggered
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self.pushThemes()
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def onExportTheme(self):
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pass
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def onImportTheme(self):
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files = QtGui.QFileDialog.getOpenFileNames(None,
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translate(u'ThemeManager', u'Select Theme Import File'),
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self.path, u'Theme (*.*)')
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log.info(u'New Themes %s', unicode(files))
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if len(files) > 0:
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for file in files:
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self.unzipTheme(file, self.path)
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self.loadThemes()
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def loadThemes(self):
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"""
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Loads the theme lists and triggers updates accross
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the whole system using direct calls or core functions
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and events for the plugins.
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The plugins will call back in to get the real list if they want it.
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"""
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log.debug(u'Load themes from dir')
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self.themelist = []
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self.ThemeListWidget.clear()
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for root, dirs, files in os.walk(self.path):
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for name in files:
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if name.endswith(u'.png'):
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#check to see file is in theme root directory
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theme = os.path.join(self.path, name)
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if os.path.exists(theme):
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(path, filename) = os.path.split(unicode(file))
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textName = os.path.splitext(name)[0]
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if textName == self.global_theme:
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name = u'%s (%s)' % (textName, translate(u'ThemeManager', u'default'))
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else:
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name = textName
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item_name = QtGui.QListWidgetItem(name)
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item_name.setIcon(buildIcon(theme))
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item_name.setData(QtCore.Qt.UserRole, QtCore.QVariant(textName))
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self.ThemeListWidget.addItem(item_name)
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self.themelist.append(textName)
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self.pushThemes()
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def pushThemes(self):
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Receiver().send_message(u'update_themes', self.getThemes() )
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def getThemes(self):
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return self.themelist
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def getThemeData(self, themename):
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log.debug(u'getthemedata for theme %s', themename)
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xml_file = os.path.join(self.path, unicode(themename), unicode(themename) + u'.xml')
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try:
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xml = file_to_xml(xml_file)
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except:
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newtheme = ThemeXML()
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newtheme.new_document(u'New Theme')
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newtheme.add_background_solid(unicode(u'#000000'))
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newtheme.add_font(unicode(QtGui.QFont().family()), unicode(u'#FFFFFF'), unicode(30), u'False')
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newtheme.add_font(unicode(QtGui.QFont().family()), unicode(u'#FFFFFF'), unicode(12), u'False', u'footer')
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newtheme.add_display(u'False', unicode(u'#FFFFFF'), u'False', unicode(u'#FFFFFF'),
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unicode(0), unicode(0), unicode(0))
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xml = newtheme.extract_xml()
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theme = ThemeXML()
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theme.parse(xml)
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theme.extend_image_filename(self.path)
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return theme
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def checkThemesExists(self, dir):
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log.debug(u'check themes')
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if os.path.exists(dir) == False:
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os.mkdir(dir)
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def unzipTheme(self, filename, dir):
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"""
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Unzip the theme, remove the preview file if stored
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Generate a new preview fileCheck the XML theme version and upgrade if
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necessary.
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"""
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log.debug(u'Unzipping theme %s', filename)
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zip = zipfile.ZipFile(unicode(filename))
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filexml = None
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themename = None
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for file in zip.namelist():
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if file.endswith(os.path.sep):
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theme_dir = os.path.join(dir, file)
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if os.path.exists(theme_dir) == False:
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os.mkdir(os.path.join(dir, file))
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else:
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fullpath = os.path.join(dir, file)
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names = file.split(os.path.sep)
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if len(names) > 1:
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# not preview file
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if themename is None:
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themename = names[0]
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xml_data = zip.read(file)
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if os.path.splitext(file)[1].lower() in [u'.xml']:
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if self.checkVersion1(xml_data):
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# upgrade theme xml
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filexml = self.migrateVersion122(filename, fullpath, xml_data)
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else:
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filexml = xml_data
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outfile = open(fullpath, u'w')
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outfile.write(filexml)
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outfile.close()
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else:
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outfile = open(fullpath, u'w')
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outfile.write(zip.read(file))
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outfile.close()
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self.generateAndSaveImage(dir, themename, filexml)
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def checkVersion1(self, xmlfile):
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"""
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Am I a version 1 theme
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"""
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log.debug(u'checkVersion1 ')
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theme = xmlfile
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tree = ElementTree(element=XML(theme)).getroot()
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if tree.find(u'BackgroundType') is None:
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return False
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else:
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return True
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def migrateVersion122(self, filename, fullpath, xml_data):
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"""
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Called by convert the xml data from version 1 format
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to the current format.
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New fields are defaulted but the new theme is useable
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"""
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log.debug(u'migrateVersion122 %s %s', filename, fullpath)
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theme = Theme(xml_data)
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newtheme = ThemeXML()
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newtheme.new_document(theme.Name)
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if theme.BackgroundType == 0:
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newtheme.add_background_solid(unicode(theme.BackgroundParameter1.name()))
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elif theme.BackgroundType == 1:
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direction = u'vertical'
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if theme.BackgroundParameter3.name() == 1:
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direction = u'horizontal'
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newtheme.add_background_gradient(
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unicode(theme.BackgroundParameter1.name()),
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unicode(theme.BackgroundParameter2.name()), direction)
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else:
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newtheme.add_background_image(unicode(theme.BackgroundParameter1))
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newtheme.add_font(unicode(theme.FontName), unicode(theme.FontColor.name()),
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unicode(theme.FontProportion * 2), u'False')
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newtheme.add_font(unicode(theme.FontName), unicode(theme.FontColor.name()),
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unicode(12), u'False', u'footer')
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outline = False
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shadow = False
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if theme.Shadow == 1:
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shadow = True
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if theme.Outline == 1:
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outline = True
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newtheme.add_display(unicode(shadow), unicode(theme.ShadowColor.name()),
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unicode(outline), unicode(theme.OutlineColor.name()),
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unicode(theme.HorizontalAlign), unicode(theme.VerticalAlign),
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unicode(theme.WrapStyle))
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return newtheme.extract_xml()
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def saveTheme(self, name, theme_xml, image_from, image_to) :
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"""
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Called by thememaintenance Dialog to save the theme
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and to trigger the reload of the theme list
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"""
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log.debug(u'saveTheme %s %s', name, theme_xml)
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theme_dir = os.path.join(self.path, name)
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if os.path.exists(theme_dir) == False:
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os.mkdir(os.path.join(self.path, name))
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theme_file = os.path.join(theme_dir, name + u'.xml')
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outfile = open(theme_file, u'w')
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outfile.write(theme_xml)
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outfile.close()
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if image_from is not None and image_from != image_to:
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shutil.copyfile(image_from, image_to)
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self.generateAndSaveImage(self.path, name, theme_xml)
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self.loadThemes()
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def generateAndSaveImage(self, dir, name, theme_xml):
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log.debug(u'generateAndSaveImage %s %s %s', dir, name, theme_xml)
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theme = ThemeXML()
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theme.parse(theme_xml)
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theme.extend_image_filename(dir)
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frame = self.generateImage(theme)
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samplepathname = os.path.join(self.path, name + u'.png')
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if os.path.exists(samplepathname):
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os.unlink(samplepathname)
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frame.save(samplepathname, u'png')
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log.debug(u'Theme image written to %s', samplepathname)
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def generateImage(self, themedata):
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"""
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Call the RenderManager to build a Sample Image
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"""
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log.debug(u'generateImage %s ', themedata)
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frame = self.parent.RenderManager.generate_preview(themedata)
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return frame
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def getPreviewImage(self, theme):
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log.debug(u'getPreviewImage %s ', theme)
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image = os.path.join(self.path, theme + u'.png')
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return image
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