QScintilla/Exporters/ExporterODT.py

# -*- coding: utf-8 -*-

# Copyright (c) 2010 - 2013 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing an exporter for ODT.
"""

from __future__ import unicode_literals    # __IGNORE_WARNING__

from PyQt4.QtCore import Qt
from PyQt4.QtGui import QApplication, QCursor, QTextDocument, QTextDocumentWriter

from E5Gui import E5MessageBox

from .ExporterBase import ExporterBase
from .ExporterHTML import HTMLGenerator

import Preferences


class ExporterODT(ExporterBase):
    """
    Class implementing an exporter for ODT.
    """
    def __init__(self, editor, parent=None):
        """
        Constructor
        
        @param editor reference to the editor object (QScintilla.Editor.Editor)
        @param parent parent object of the exporter (QObject)
        """
        ExporterBase.__init__(self, editor, parent)
    
    def exportSource(self):
        """
        Public method performing the export.
        """
        filename = self._getFileName(self.trUtf8("ODT Files (*.odt)"))
        if not filename:
            return
        
        QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
        QApplication.processEvents()
        
        tabSize = Preferences.getEditor("TabWidth")
        if tabSize == 0:
            tabSize = 4
        wysiwyg = Preferences.getEditorExporter("ODT/WYSIWYG")
        onlyStylesUsed = Preferences.getEditorExporter("ODT/OnlyStylesUsed")
        tabs = Preferences.getEditorExporter("ODT/UseTabs")
        
        # generate HTML of the source
        generator = HTMLGenerator(self.editor)
        html = generator.generate(
            tabSize=tabSize,
            useTabs=tabs,
            wysiwyg=wysiwyg,
            folding=False,
            onlyStylesUsed=onlyStylesUsed,
            titleFullPath=False
        )
        
        # convert HTML to ODT
        doc = QTextDocument()
        doc.setHtml(html)
        writer = QTextDocumentWriter(filename)
        ok = writer.write(doc)
        QApplication.restoreOverrideCursor()
        if not ok:
            E5MessageBox.critical(self.editor,
                self.trUtf8("Export source"),
                self.trUtf8(
                    """<p>The source could not be exported to <b>{0}</b>.</p>""")\
                    .format(filename))