/* AbiSource
 * 
 * Copyright (C) 2002 Dom Lachowicz <cinamod@hotmail.com>
 * Copyright (C) 2004 Robert Staudinger <robsta@stereolyzer.net>
 * Copyright (C) 2005 Daniel d'Andrada T. de Carvalho
 * <daniel.carvalho@indt.org.br>
 * 
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  
 * 02111-1307, USA.
 */


// Class definition include
#include "ie_exp_OpenDocument.h"

// Internal includes
#include "ODe_AbiDocListener.h"
#include "ODe_AuxiliaryData.h"
#include "ODe_Common.h"
#include "ODe_DocumentData.h"
#include "ODe_HeadingSearcher_Listener.h"
#include "ODe_ManifestWriter.h"
#include "ODe_Main_Listener.h"
#include "ODe_MetaDataWriter.h"
#include "ODe_PicturesWriter.h"
#include "ODe_SettingsWriter.h"

// Abiword includes
#include <ut_assert.h>
#include <ut_locale.h>
#include <pd_Document.h>

// External includes
#include <gsf/gsf-outfile.h>
#include <gsf/gsf-output-stdio.h>
#include <gsf/gsf-outfile-zip.h>


/**
 * Constructor
 */
IE_Exp_OpenDocument::IE_Exp_OpenDocument (PD_Document * pDoc)
  : IE_Exp (pDoc), m_odt(0)
{
}


/**
 * Destructor
 */
IE_Exp_OpenDocument::~IE_Exp_OpenDocument()
{
}


/**
 * This writes out our AbiWord file as an OpenOffice
 * compound document
 */
UT_Error IE_Exp_OpenDocument::_writeDocument(void)
{
    ODe_DocumentData docData;
    ODe_AuxiliaryData auxData;
    ODe_AbiDocListener* pAbiDocListener = NULL;
    ODe_AbiDocListenerImpl* pAbiDocListenerImpl = NULL;
    
    // Needed to ensure that all *printf writes numbers correctly,
    // like "45.56mm" instead of "45,56mm".
    UT_LocaleTransactor numericLocale (LC_NUMERIC, "C");
    
    
    UT_return_val_if_fail(m_odt, UT_ERROR);

    {
        GsfOutput * mimetype = gsf_outfile_new_child (m_odt, "mimetype", FALSE);
        if (!mimetype)
            return UT_ERROR;

        ODe_gsf_output_write(mimetype,
            strlen("application/vnd.oasis.opendocument.text"),
            (const guint8 *)"application/vnd.oasis.opendocument.text");
            
        ODe_gsf_output_close(mimetype);
    }

    if (!ODe_MetaDataWriter::writeMetaData(getDoc(), m_odt))
        return UT_ERROR;

    if (!ODe_SettingsWriter::writeSettings(getDoc(), m_odt))
        return UT_ERROR;

    if (!ODe_PicturesWriter::writePictures(getDoc(), m_odt))
        return UT_ERROR;

    if (!ODe_ManifestWriter::writeManifest(getDoc(), m_odt))
        return UT_ERROR;



    ////
    // Gather all paragraph style names used by heading paragraphs.

    pAbiDocListenerImpl = new ODe_HeadingSearcher_Listener(auxData);
    pAbiDocListener = new ODe_AbiDocListener(getDoc(),
                                             pAbiDocListenerImpl, false);

    if (!getDoc()->tellListener(static_cast<PL_Listener *>(pAbiDocListener))) {
        return UT_ERROR;
    }
    pAbiDocListener->finished();
    
    DELETEP(pAbiDocListener);
    DELETEP(pAbiDocListenerImpl);
    

    ////
    // Gather document content and styles

    if (!docData.doPreListeningWork(getDoc())) {
        return UT_ERROR;
    }

    pAbiDocListenerImpl = new ODe_Main_Listener(docData, auxData);
    pAbiDocListener = new ODe_AbiDocListener(getDoc(),
                                             pAbiDocListenerImpl, false);

    if (!getDoc()->tellListener(static_cast<PL_Listener *>(pAbiDocListener))) {
        return UT_ERROR;
    }
    pAbiDocListener->finished();
    
    DELETEP(pAbiDocListener);
    DELETEP(pAbiDocListenerImpl);
    
    if (!docData.doPostListeningWork()) {
        return UT_ERROR;
    }
    
    ////
    // Write content and styles
        
    if (!docData.writeStylesXML(m_odt)) {
        return UT_ERROR;
    }
    if (!docData.writeContentXML(m_odt)) {
        return UT_ERROR;
    }

    return UT_OK;
}


/**
 * Open the underlying ZIP file for writing
 */
bool IE_Exp_OpenDocument::_openFile(const char * szFilename)
{
    UT_return_val_if_fail(!m_odt, false);

    GsfOutput * sink = GSF_OUTPUT (gsf_output_stdio_new (szFilename, NULL));
    if (!sink)
        return false;

    m_odt = GSF_OUTFILE (gsf_outfile_zip_new (sink, NULL));
    g_object_unref(G_OBJECT(sink));

    return (m_odt != 0);
}


/**
 * Close our underlying ZIP file
 */
bool IE_Exp_OpenDocument::_closeFile(void)
{
    if(m_odt) {
        ODe_gsf_output_close(GSF_OUTPUT(m_odt));
        m_odt = 0;
    }

    return true;
}