forked from openlp/openlp
365 lines
14 KiB
Python
365 lines
14 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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from time import sleep
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from copy import deepcopy
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from xml.etree.ElementTree import ElementTree, XML
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from PyQt4 import *
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from PyQt4 import QtCore, QtGui
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from openlp.core.ui import AmendThemeForm, ServiceManager
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from openlp.core import translate, fileToXML
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from openlp.core.theme import Theme
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from openlp.core.lib import Event, EventType, EventManager, OpenLPToolbar, ThemeXML, Renderer
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from openlp.core.utils import ConfigHelper
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from openlp.core.resources import *
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import logging
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class ThemeData(QAbstractListModel):
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"""
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Tree of items for an order of Theme.
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Includes methods for reading and writing the contents to an OOS file
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Root contains a list of ThemeItems
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"""
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global log
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log=logging.getLogger(u'ThemeData')
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def __init__(self):
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QAbstractListModel.__init__(self)
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self.items = []
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self.rowheight = 50
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self.maximagewidth = self.rowheight * 16 / 9.0;
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log.info(u'Starting')
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def clearItems(self):
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self.items = []
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def rowCount(self, parent):
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return len(self.items)
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def insertRow(self, row, filename):
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self.beginInsertRows(QModelIndex(), row, row)
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log.info(u'insert row %d:%s' % (row, filename))
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(prefix, shortfilename) = os.path.split(str(filename))
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log.info(u'shortfilename = %s' % shortfilename)
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theme = shortfilename.split(u'.')
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# create a preview image
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if os.path.exists(filename):
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preview = QPixmap(str(filename))
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width = self.maximagewidth
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height = self.rowheight
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preview = preview.scaled(width, height, Qt.KeepAspectRatio, Qt.SmoothTransformation)
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realwidth = preview.width()
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realheight = preview.height()
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# and move it to the centre of the preview space
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pixmap = QPixmap(width, height)
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pixmap.fill(Qt.transparent)
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painter = QPainter(pixmap)
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painter.drawPixmap((width - realwidth) / 2, (height - realheight) / 2, preview)
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else:
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width = self.maximagewidth
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height = self.rowheight
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pixmap = QPixmap(width, height)
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pixmap.fill(Qt.transparent)
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# finally create the row
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self.items.insert(row, (filename, pixmap, shortfilename, theme[0]))
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log.info(u'Items: %s' % self.items)
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self.endInsertRows()
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def removeRow(self, row):
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self.beginRemoveRows(QModelIndex(), row, row)
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self.items.pop(row)
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self.endRemoveRows()
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def addRow(self, item):
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self.insertRow(len(self.items), item)
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def data(self, index, role):
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row = index.row()
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if row > len(self.items):
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# if the last row is selected and deleted, we then get called with an empty row!
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return QVariant()
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if role == Qt.DisplayRole:
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retval = self.items[row][3]
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elif role == Qt.DecorationRole:
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retval = self.items[row][1]
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else:
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retval = QVariant()
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#log.info("Returning"+ str(retval))
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if type(retval) is not type(QVariant):
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return QVariant(retval)
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else:
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return retval
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def __iter__(self):
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for item in self.items:
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yield item
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def getValue(self, index):
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row = index.row()
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return self.items[row]
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def getItem(self, row):
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log.info(u'Get Item:%d -> %s' % (row, str(self.items)))
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return self.items[row]
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def getList(self):
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filelist = [item[3] for item in self.items]
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return filelist
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class ThemeManager(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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QWidget.__init__(self)
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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.ThemeListView = QtGui.QListView(self)
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self.themeData = ThemeData()
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self.ThemeListView.setModel(self.themeData)
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self.ThemeListView.setAlternatingRowColors(True)
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self.Layout.addWidget(self.ThemeListView)
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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.themePath(self.path)
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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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items = self.ThemeListView.selectedIndexes()
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for item in items:
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data = self.themeData.getValue(item)
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self.amendThemeForm.loadTheme(data[3])
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self.amendThemeForm.exec_()
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def onDeleteTheme(self):
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items = self.ThemeListView.selectedIndexes()
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theme = u''
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for item in items:
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data = self.themeData.getValue(item)
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theme = data[3]
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th = theme + u'.png'
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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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pass #if not present do not worry
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shutil.rmtree(os.path.join(self.path, theme))
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self.themeData.clearItems()
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self.loadThemes()
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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 Import File'),
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self.path, u'Theme (*.theme)')
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log.info(u'New Themes %s', str(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.themeData.clearItems()
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self.loadThemes()
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def loadThemes(self):
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log.debug(u'Load themes from dir')
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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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self.themeData.addRow(os.path.join(self.path, name))
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self.EventManager.post_event(Event(EventType.ThemeListChanged))
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self.ServiceManager.updateThemeList(self.getThemes())
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#self.themeTab.updateThemeList(self.getThemes())
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def getThemes(self):
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return self.themeData.getList()
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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, str(themename), str(themename) + u'.xml')
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try:
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xml = fileToXML(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(str(u'#000000'))
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newtheme.add_font(str(QFont().family()), str(u'#FFFFFF'), str(30), u'False')
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newtheme.add_font(str(QFont().family()), str(u'#FFFFFF'), str(12), u'False', u'footer')
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newtheme.add_display(u'False', str(u'#FFFFFF'), u'False', str(u'#FFFFFF'),
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str(0), str(0), str(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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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(str(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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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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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(str(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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str(theme.BackgroundParameter1.name()),
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str(theme.BackgroundParameter2.name()), direction)
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else:
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newtheme.add_background_image(str(theme.BackgroundParameter1))
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newtheme.add_font(str(theme.FontName), str(theme.FontColor.name()),
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str(theme.FontProportion * 2), u'False')
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newtheme.add_font(str(theme.FontName), str(theme.FontColor.name()),
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str(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(str(shadow), str(theme.ShadowColor.name()),
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str(outline), str(theme.OutlineColor.name()),
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str(theme.HorizontalAlign), str(theme.VerticalAlign),
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str(theme.WrapStyle))
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return newtheme.extract_xml()
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def saveTheme(self, name, theme_xml) :
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log.debug(u'saveTheme %s %s', name, theme_xml)
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self.generateAndSaveImage(self.path, 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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self.themeData.clearItems()
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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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frame = self.generateImage(theme)
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im = frame.toImage()
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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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im.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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log.debug(u'generateImage %s ', themedata)
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frame = self.RenderManager.generate_preview(themedata)
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return frame
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