/* This file is part of the KDE project
   Copyright (C) 2000 David Faure <faure@kde.org>
   Copyright (C) 2005 Laurent Montel <montel@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

/* Gnumeric export filter by Phillip Ezolt (phillipezolt@hotmail.com)
   2004 - Some updates by Tim Beaulen (tbscope@gmail.com) */

#include <gnumericexport.h>
#include <kdebug.h>
#include <kfilterdev.h>
#include <tdemessagebox.h>
#include <kgenericfactory.h>
#include <KoFilterChain.h>
#include <tqapplication.h>
#include <tqptrlist.h>
#include <tqsortedlist.h>
#include <tqfile.h>
#include <tqtextstream.h>

#include <kspread_map.h>
#include <kspread_sheet.h>
#include <kspread_doc.h>
#include <kspread_view.h>
#include <kspread_canvas.h>
#include <kspread_sheetprint.h>
#include <KoDocumentInfo.h>

using namespace KSpread;

typedef KGenericFactory<GNUMERICExport, KoFilter> GNUMERICExportFactory;
K_EXPORT_COMPONENT_FACTORY( libgnumericexport, GNUMERICExportFactory( "kofficefilters" ) )

GNUMERICExport::GNUMERICExport(KoFilter *, const char *, const TQStringList&) :
KoFilter()
{
    isLink = false;
    isLinkBold = false;
    isLinkItalic = false;
}

/**
 * This function will check if a cell has any type of border.
 */
bool GNUMERICExport::hasBorder(Cell *cell, int currentcolumn, int currentrow)
{
    if ( ( (cell->format()->leftBorderWidth(currentcolumn, currentrow) != 0) &&
           (cell->format()->leftBorderStyle(currentcolumn, currentrow) != TQt::NoPen ) ) ||
         ( (cell->format()->rightBorderWidth(currentcolumn, currentrow) != 0) &&
           (cell->format()->rightBorderStyle(currentcolumn, currentrow) != TQt::NoPen ) ) ||
         ( (cell->format()->topBorderWidth(currentcolumn, currentrow) != 0) &&
           (cell->format()->topBorderStyle(currentcolumn, currentrow) != TQt::NoPen ) ) ||
         ( (cell->format()->bottomBorderWidth(currentcolumn, currentrow) != 0) &&
           (cell->format()->bottomBorderStyle(currentcolumn, currentrow) != TQt::NoPen ) ) ||
         ( (cell->format()->fallDiagonalWidth(currentcolumn, currentrow) != 0) &&
           (cell->format()->fallDiagonalStyle(currentcolumn, currentrow) != TQt::NoPen ) ) ||
         ( (cell->format()->goUpDiagonalWidth(currentcolumn, currentrow) != 0) &&
           (cell->format()->goUpDiagonalStyle(currentcolumn, currentrow) != TQt::NoPen ) ) )
        return true;
    else
        return false;
}

const TQString GNUMERICExport::ColorToString(int red, int green, int blue)
{
    return TQString::number(red,16)+":"+TQString::number(green,16)+":"+TQString::number(blue,16);
}

TQDomElement GNUMERICExport::GetBorderStyle(TQDomDocument gnumeric_doc,Cell * cell, int currentcolumn, int currentrow)
{
    TQDomElement border_style;
    TQDomElement border;

    int red, green, blue;
    TQColor color;

    border_style = gnumeric_doc.createElement("gmr:StyleBorder");

    if ( (cell->format()->leftBorderWidth(currentcolumn, currentrow) != 0) &&
         (cell->format()->leftBorderStyle(currentcolumn, currentrow) != TQt::NoPen ) )
    {
        border = gnumeric_doc.createElement("gmr:Left");
        border.setAttribute("Style","1");

        color =  cell->format()->leftBorderColor(currentcolumn, currentrow);
        red = color.red()<<8;
        green = color.green()<<8;
        blue = color.blue()<<8;

        border.setAttribute("Color", TQString::number(red,16)+":"+TQString::number(green,16) +":"+TQString::number(blue,16));
    }
    else
    {
        border = gnumeric_doc.createElement("gmr:Left");
        border.setAttribute("Style","0");
    }

    border_style.appendChild(border);

    if ( (cell->format()->rightBorderWidth(currentcolumn, currentrow) != 0) &&
         (cell->format()->rightBorderStyle(currentcolumn, currentrow) != TQt::NoPen ) )
    {
        border = gnumeric_doc.createElement("gmr:Right");
        border.setAttribute("Style","1");

        color =  cell->format()->rightBorderColor(currentcolumn, currentrow);
        red = color.red()<<8;
        green = color.green()<<8;
        blue = color.blue()<<8;

        border.setAttribute("Color", TQString::number(red,16)+":"+TQString::number(green,16) +":"+TQString::number(blue,16));
    }
    else
    {
        border = gnumeric_doc.createElement("gmr:Right");
        border.setAttribute("Style","0");
    }

    border_style.appendChild(border);

    if ( (cell->format()->topBorderWidth(currentcolumn, currentrow) != 0) &&
         (cell->format()->topBorderStyle(currentcolumn, currentrow) != TQt::NoPen ) )
    {
        border = gnumeric_doc.createElement("gmr:Top");
        border.setAttribute("Style","1");

        color =  cell->format()->topBorderColor(currentcolumn, currentrow);
        red = color.red()<<8;
        green = color.green()<<8;
        blue = color.blue()<<8;

        border.setAttribute("Color", TQString::number(red,16)+":"+TQString::number(green,16) +":"+TQString::number(blue,16));
    }
    else
    {
        border = gnumeric_doc.createElement("gmr:Top");
        border.setAttribute("Style","0");
    }

    border_style.appendChild(border);

    if ( (cell->format()->bottomBorderWidth(currentcolumn, currentrow) != 0) &&
         (cell->format()->bottomBorderStyle(currentcolumn, currentrow) != TQt::NoPen ) )
    {
        border = gnumeric_doc.createElement("gmr:Bottom");
        border.setAttribute("Style","1");

        color =  cell->format()->bottomBorderColor(currentcolumn, currentrow);
        red = color.red()<<8;
        green = color.green()<<8;
        blue = color.blue()<<8;

        border.setAttribute("Color", TQString::number(red,16)+":"+TQString::number(green,16) +":"+TQString::number(blue,16));
    }
    else
    {
        border = gnumeric_doc.createElement("gmr:Bottom");
        border.setAttribute("Style","0");
    }

    border_style.appendChild(border);

    if ( (cell->format()->fallDiagonalWidth(currentcolumn, currentrow) != 0) &&
         (cell->format()->fallDiagonalStyle(currentcolumn, currentrow) != TQt::NoPen ) )
    {
        border = gnumeric_doc.createElement("gmr:Diagonal");
        border.setAttribute("Style","1");

        color =  cell->format()->fallDiagonalColor(currentcolumn, currentrow);
        red = color.red()<<8;
        green = color.green()<<8;
        blue = color.blue()<<8;

        border.setAttribute("Color", TQString::number(red,16)+":"+TQString::number(green,16) +":"+TQString::number(blue,16));
    }
    else
    {
        border = gnumeric_doc.createElement("gmr:Diagonal");
        border.setAttribute("Style","0");
    }

    border_style.appendChild(border);

    if ( (cell->format()->goUpDiagonalWidth(currentcolumn, currentrow) != 0) &&
         (cell->format()->goUpDiagonalStyle(currentcolumn, currentrow) != TQt::NoPen ) )
    {
        border = gnumeric_doc.createElement("gmr:Rev-Diagonal");
        border.setAttribute("Style","1");

        color =  cell->format()->goUpDiagonalColor(currentcolumn, currentrow);
        red = color.red()<<8;
        green = color.green()<<8;
        blue = color.blue()<<8;

        border.setAttribute("Color", TQString::number(red,16)+":"+TQString::number(green,16) +":"+TQString::number(blue,16));
    }
    else
    {
        border = gnumeric_doc.createElement("gmr:Rev-Diagonal");
        border.setAttribute("Style","0");
    }

    border_style.appendChild(border);

    return border_style;
}

TQDomElement GNUMERICExport::GetValidity( TQDomDocument gnumeric_doc, Cell * cell )
{
    //<gmr:Validation Style="1" Type="1" Operator="7" AllowBlank="true" UseDropdown="false" Title="ghhg" Message="ghghhhjfhfghjfghj&#10;fg&#10;hjgf&#10;hj">
    //        <gmr:Expression0>45</gmr:Expression0>
    //      </gmr:Validation>
    Validity *kspread_validity = cell->getValidity();
    TQDomElement val = gnumeric_doc.createElement( "gmr:Validation" );
    val.setAttribute( "Title", kspread_validity->title );
    val.setAttribute( "Message", kspread_validity->message );
    val.setAttribute( "AllowBlank", kspread_validity->allowEmptyCell ? "true":"false" );
    if ( !kspread_validity->displayMessage )
    {
        val.setAttribute("Style", "0" );
    }
    else
    {
        switch( kspread_validity->m_action )
        {
          case Action::Stop:
            val.setAttribute("Style", "1" );
            break;
          case Action::Warning:
            val.setAttribute("Style", "2" );
            break;
          case Action::Information:
            val.setAttribute("Style", "3" );
            break;
        }
    }

    switch( kspread_validity->m_cond )
    {
      case Conditional::None:
        //Nothing
        break;
      case Conditional::Equal:
        val.setAttribute("Operator", "2" );
        break;
      case Conditional::Superior:
        val.setAttribute("Operator", "4" );
        break;
      case Conditional::Inferior:
        val.setAttribute("Operator", "5" );
        break;
      case Conditional::SuperiorEqual:
        val.setAttribute("Operator", "6" );
        break;
      case Conditional::InferiorEqual:
        val.setAttribute("Operator", "7" );
        break;
      case Conditional::Between:
        val.setAttribute("Operator", "0" );
        break;
      case Conditional::Different:
        val.setAttribute("Operator", "3" );
        break;
      case Conditional::DifferentTo:
        val.setAttribute("Operator", "1" );
        break;
    }
    switch( kspread_validity->m_restriction )
    {
    case Restriction::None:
        val.setAttribute("Type", "0" );
        break;
    case Restriction::Number:
    {
        val.setAttribute("Type", "2" );
        switch( kspread_validity->m_cond )
        {
          case Conditional::None:
            //Nothing
            break;
          case Conditional::Equal:
          case Conditional::Superior:
          case Conditional::Inferior:
          case Conditional::SuperiorEqual:
          case Conditional::InferiorEqual:
          case Conditional::Different:
        {
            TQDomElement tmp = gnumeric_doc.createElement( "gmr:Expression0" );
            tmp.appendChild( gnumeric_doc.createTextNode( TQString::number( kspread_validity->valMin ) ) );
            val.appendChild( tmp );
        }
        break;
          case Conditional::Between:
          case Conditional::DifferentTo:
        {
            TQDomElement tmp = gnumeric_doc.createElement( "gmr:Expression0" );
            tmp.appendChild( gnumeric_doc.createTextNode( TQString::number(kspread_validity->valMin ) ) );
            val.appendChild( tmp );
            tmp = gnumeric_doc.createElement( "gmr:Expression1" );
            tmp.appendChild( gnumeric_doc.createTextNode( TQString::number(kspread_validity->valMax ) ) );
            val.appendChild( tmp );
        }
        break;
        }

        break;
    }
    case Restriction::Text:
        //Not supported into gnumeric
        //val.setAttribute("Type", "1" );
        break;
    case Restriction::Time:
        val.setAttribute("Type", "5" );
        switch( kspread_validity->m_cond )
        {
          case Conditional::None:
            //Nothing
            break;
          case Conditional::Equal:
          case Conditional::Superior:
          case Conditional::Inferior:
          case Conditional::SuperiorEqual:
          case Conditional::InferiorEqual:
          case Conditional::Different:
        {
            TQDomElement tmp = gnumeric_doc.createElement( "gmr:Expression0" );
            tmp.appendChild( gnumeric_doc.createTextNode( kspread_validity->timeMin.toString() ) );
            val.appendChild( tmp );
        }
        break;
          case Conditional::Between:
          case Conditional::DifferentTo:
        {
            TQDomElement tmp = gnumeric_doc.createElement( "gmr:Expression0" );
            tmp.appendChild( gnumeric_doc.createTextNode( kspread_validity->timeMin.toString() ) );
            val.appendChild( tmp );
            tmp = gnumeric_doc.createElement( "gmr:Expression1" );
            tmp.appendChild( gnumeric_doc.createTextNode( kspread_validity->timeMax.toString() ) );
            val.appendChild( tmp );
        }
        break;
        }

        break;
    case Restriction::Date:
        val.setAttribute("Type", "4" );
        switch( kspread_validity->m_cond )
        {
          case Conditional::None:
            //Nothing
            break;
          case Conditional::Equal:
          case Conditional::Superior:
          case Conditional::Inferior:
          case Conditional::SuperiorEqual:
          case Conditional::InferiorEqual:
          case Conditional::Different:
        {
            TQDomElement tmp = gnumeric_doc.createElement( "gmr:Expression0" );
            tmp.appendChild( gnumeric_doc.createTextNode( kspread_validity->dateMin.toString() ) );
            val.appendChild( tmp );
        }
        break;
          case Conditional::Between:
          case Conditional::DifferentTo:
        {
            TQDomElement tmp = gnumeric_doc.createElement( "gmr:Expression0" );
            tmp.appendChild( gnumeric_doc.createTextNode( kspread_validity->dateMin.toString() ) );
            val.appendChild( tmp );
            tmp = gnumeric_doc.createElement( "gmr:Expression1" );
            tmp.appendChild( gnumeric_doc.createTextNode( kspread_validity->dateMax.toString() ) );
            val.appendChild( tmp );
        }
        break;
        }

        break;
    case Restriction::Integer:
        val.setAttribute("Type", "1" );
        switch( kspread_validity->m_cond )
        {
          case Conditional::None:
            //Nothing
            break;
          case Conditional::Equal:
          case Conditional::Superior:
          case Conditional::Inferior:
          case Conditional::SuperiorEqual:
          case Conditional::InferiorEqual:
          case Conditional::Different:
        {
            TQDomElement tmp = gnumeric_doc.createElement( "gmr:Expression0" );
            tmp.appendChild( gnumeric_doc.createTextNode( TQString::number(kspread_validity->valMin ) ) );
            val.appendChild( tmp );
        }
        break;
          case Conditional::Between:
          case Conditional::DifferentTo:
        {
            TQDomElement tmp = gnumeric_doc.createElement( "gmr:Expression0" );
            tmp.appendChild( gnumeric_doc.createTextNode( TQString::number(kspread_validity->valMin ) ) );
            val.appendChild( tmp );
            tmp = gnumeric_doc.createElement( "gmr:Expression1" );
            tmp.appendChild( gnumeric_doc.createTextNode( TQString::number(kspread_validity->valMax ) ) );
            val.appendChild( tmp );
        }
        break;
        }
        break;
    case Restriction::TextLength:
        val.setAttribute("Type", "6" );
        switch( kspread_validity->m_cond )
        {
          case Conditional::None:
            //Nothing
            break;
          case Conditional::Equal:
          case Conditional::Superior:
          case Conditional::Inferior:
          case Conditional::SuperiorEqual:
          case Conditional::InferiorEqual:
          case Conditional::Different:
        {
            TQDomElement tmp = gnumeric_doc.createElement( "gmr:Expression0" );
            tmp.appendChild( gnumeric_doc.createTextNode( TQString::number(kspread_validity->valMin ) ) );
            val.appendChild( tmp );
        }
        break;
          case Conditional::Between:
          case Conditional::DifferentTo:
        {
            TQDomElement tmp = gnumeric_doc.createElement( "gmr:Expression0" );
            tmp.appendChild( gnumeric_doc.createTextNode( TQString::number(kspread_validity->valMin ) ) );
            val.appendChild( tmp );
            tmp = gnumeric_doc.createElement( "gmr:Expression1" );
            tmp.appendChild( gnumeric_doc.createTextNode( TQString::number(kspread_validity->valMax ) ) );
            val.appendChild( tmp );
        }
        break;
        }
        break;
    case Restriction::List:
        val.setAttribute("Type", "3" );
        switch( kspread_validity->m_cond )
        {
          case Conditional::None:
            //Nothing
            break;
          case Conditional::Equal:
          case Conditional::Superior:
          case Conditional::Inferior:
          case Conditional::SuperiorEqual:
          case Conditional::InferiorEqual:
          case Conditional::Different:
            break;
          case Conditional::Between:
          case Conditional::DifferentTo:
            break;
        }
        break;
    }

    return val;
}

TQDomElement GNUMERICExport::GetFontStyle( TQDomDocument gnumeric_doc,Cell * cell, int currentcolumn, int currentrow)
{
    TQDomElement font_style;
    kdDebug()<<" currentcolumn :"<<currentcolumn<<" currentrow :"<<currentrow<<endl;
    font_style = gnumeric_doc.createElement("gmr:Font");
    font_style.appendChild(gnumeric_doc.createTextNode(cell->format()->textFontFamily(currentcolumn, currentrow)));

    if (cell->format()->textFontItalic(currentcolumn,currentrow) || (isLink && isLinkItalic))
    {
        font_style.setAttribute("Italic","1");
    }
    if (cell->format()->textFontBold(currentcolumn,currentrow) || (isLink && isLinkBold))
    {
        font_style.setAttribute("Bold","1");
    }
    if (cell->format()->textFontUnderline(currentcolumn,currentrow))
    {
        font_style.setAttribute("Underline","1");
    }
    if (cell->format()->textFontStrike(currentcolumn,currentrow))
    {
        font_style.setAttribute("StrikeThrough","1");
    }
    if (cell->format()->textFontSize(currentcolumn,currentrow))
    {
        font_style.setAttribute("Unit",TQString::number(cell->format()->textFontSize(currentcolumn,currentrow)));
    }

    return font_style;
}

TQDomElement GNUMERICExport::GetLinkStyle(TQDomDocument gnumeric_doc)
{
    TQDomElement link_style;

    link_style = gnumeric_doc.createElement("gmr:HyperLink");

    TQString path;

    path = linkUrl;

    if (path.section(":",0,0).lower() == "http")
        link_style.setAttribute("type","GnmHLinkURL");
    else if (path.section(":",0,0).lower() == "mailto")
        link_style.setAttribute("type","GnmHLinkEMail");
    else if (path.section(":",0,0).lower() == "file")
        link_style.setAttribute("type","GnmHLinkExternal");
    else if (path.left(5).lower() == "sheet")
        link_style.setAttribute("type","GnmHLinkCurWB");
    else
        link_style.setAttribute("type","");

    link_style.setAttribute("target",path);

    // KSpread doesn't support link tips.
    link_style.setAttribute("tip","");

    return link_style;
}

TQDomElement GNUMERICExport::GetCellStyle(TQDomDocument gnumeric_doc,Cell * cell, int currentcolumn, int currentrow)
{
    TQColorGroup defaultColorGroup = TQApplication::palette().active();

	TQDomElement cell_style;

	cell_style = gnumeric_doc.createElement("gmr:Style");

    int red, green, blue;

    TQColor bgColor =  cell->bgColor(currentcolumn, currentrow);
	red = bgColor.red()<<8;
	green = bgColor.green()<<8;
	blue = bgColor.blue()<<8;

    switch (cell->format()->backGroundBrushStyle(currentcolumn, currentrow))
    {
        case TQt::NoBrush:
            cell_style.setAttribute("Shade","0");
            break;
        case TQt::SolidPattern:
            // 100%
            cell_style.setAttribute("Shade","1");
            break;
        case TQt::Dense1Pattern:
            // 87.5%
            cell_style.setAttribute("Shade","25");
            break;
        case TQt::Dense2Pattern:
            // 75%
            cell_style.setAttribute("Shade","2");
            break;
        case TQt::Dense3Pattern:
            // 62.5%
            // Not supported by GNumeric
            // Fall back to 50%
            cell_style.setAttribute("Shade","3");
            break;
        case TQt::Dense4Pattern:
            // 50%
            cell_style.setAttribute("Shade","3");
            break;
        case TQt::Dense5Pattern:
            // 25%
            cell_style.setAttribute("Shade","4");
            break;
        case TQt::Dense6Pattern:
            // 12.5%
            cell_style.setAttribute("Shade","5");
            break;
        case TQt::Dense7Pattern:
            // 6.25%
            cell_style.setAttribute("Shade","6");
            break;
        case TQt::HorPattern:
            cell_style.setAttribute("Shade","13");
            break;
        case TQt::VerPattern:
            cell_style.setAttribute("Shade","14");
            break;
        case TQt::CrossPattern:
            cell_style.setAttribute("Shade","17");
            break;
        case TQt::BDiagPattern:
            cell_style.setAttribute("Shade","16");
            break;
        case TQt::FDiagPattern:
            cell_style.setAttribute("Shade","15");
            break;
        case TQt::DiagCrossPattern:
            cell_style.setAttribute("Shade","18");
            break;
        case TQt::CustomPattern:
            // Not supported by Gnumeric
            cell_style.setAttribute("Shade","0");
            break;
    }

	cell_style.setAttribute("Back",TQString::number(red,16)+":"+TQString::number(green,16) +":"+TQString::number(blue,16) );


	TQColor textColor =  cell->format()->textColor(currentcolumn, currentrow);
	red = textColor.red()<<8;
	green = textColor.green()<<8;
	blue = textColor.blue()<<8;

	cell_style.setAttribute("Fore",TQString::number(red,16)+":"+TQString::number(green,16) +":"+TQString::number(blue,16) );

 if (cell->format()->align(currentcolumn,currentrow) ==  Format::Undefined)
    {
        cell_style.setAttribute("HAlign","1");
    }
    else if (cell->format()->align(currentcolumn,currentrow) ==  Format::Left)
	{
        cell_style.setAttribute("HAlign","2");
    }
    else if (cell->format()->align(currentcolumn,currentrow) ==  Format::Right)
	{
        cell_style.setAttribute("HAlign","4");
	}
 else if (cell->format()->align(currentcolumn,currentrow) ==  Format::Center)
	{
        cell_style.setAttribute("HAlign","8");
    }

    if (cell->format()->alignY(currentcolumn,currentrow) ==  Format::Top)
	{
	    cell_style.setAttribute("VAlign","1");
	}
 else if (cell->format()->alignY(currentcolumn,currentrow) ==  Format::Bottom)
	{
        cell_style.setAttribute("VAlign","2");
    }
    else if (cell->format()->alignY(currentcolumn,currentrow) ==  Format::Middle)
    {
        cell_style.setAttribute("VAlign","4");
	}

    if (cell->format()->multiRow(currentcolumn,currentrow))
        cell_style.setAttribute("WrapText","1");
    else
        cell_style.setAttribute("WrapText","0");

    // ShrinkToFit not supported by KSpread (?)
    cell_style.setAttribute("ShrinkToFit","0");

    // I'm not sure about the rotation values.
    // I never got it to work in GNumeric.
    cell_style.setAttribute("Rotation", TQString::number(-1*cell->format()->getAngle(currentcolumn,currentrow)));

    // The indentation in GNumeric is an integer value. In KSpread, it's a double.
    // Save the double anyway, makes it even better when importing the document back in KSpread.
    // TODO verify if it's correct, in import we "* 10.0"
    cell_style.setAttribute("Indent", TQString::number(cell->format()->getIndent(currentcolumn,currentrow)));

    cell_style.setAttribute("Locked", !cell->format()->notProtected(currentcolumn,currentrow));

    // A KSpread cell can have two options to hide: only formula hidden, or everything hidden.
    // I only consider a cell with everything hidden as hidden.
    // Gnumeric hides everything or nothing.
    cell_style.setAttribute("Hidden", cell->format()->isHideAll(currentcolumn,currentrow));

    TQColor patColor =  cell->format()->backGroundBrushColor(currentcolumn, currentrow);
    red = patColor.red()<<8;
    green = patColor.green()<<8;
    blue = patColor.blue()<<8;

    cell_style.setAttribute("PatternColor", TQString::number(red,16)+":"+TQString::number(green,16) +":"+TQString::number(blue,16));

    if (isLink)
        cell_style.appendChild(GetLinkStyle(gnumeric_doc));

    cell_style.appendChild(GetFontStyle(gnumeric_doc, cell, currentcolumn, currentrow));

    if ( cell->getValidity() )
    {
        cell_style.appendChild( GetValidity( gnumeric_doc, cell ) );
    }

	TQString stringFormat;

 Format::Currency c;
    Currency currency;

	switch( cell->format()->getFormatType(currentcolumn, currentrow))
	{
        case Number_format:
            stringFormat="0.00";
			break;
        case Text_format:
            stringFormat="general";
            break;
		case Money_format:

            if (!cell->format()->currencyInfo(c))
            {
                stringFormat = "0.00";
                break;
            }

            if (currency.getCurrencyCode(c.type).isEmpty())
                stringFormat = "0.00";
            else if (currency.getCurrencyCode(c.type) == "$")
                stringFormat = "$0.00";
            else if (currency.getCurrencyCode(c.type) == TQString::fromUtf8("€"))
                stringFormat = "[$€-2]0.00";
            else if (currency.getCurrencyCode(c.type) == TQString::fromUtf8("£"))
                stringFormat = "£0.00";
            else if (currency.getCurrencyCode(c.type) == TQString::fromUtf8("¥"))
                stringFormat = "¥0.00";
            else
                stringFormat="[$" + currency.getCurrencyCode(c.type) + "]0.00";

            break;
		case Percentage_format:
		    stringFormat="0.00%";
			break;
		case Scientific_format:
		    stringFormat="0.00E+00";
			break;
		case ShortDate_format:
			stringFormat=cell->locale()->dateFormatShort();
			break;
		case TextDate_format:
			stringFormat=cell->locale()->dateFormat();
			break;
		case date_format1:
            stringFormat="dd-mmm-yy";
            break;
		case date_format2:
            stringFormat="dd-mmm-yyyy";
            break;
		case date_format3:
            stringFormat="dd-mmm";
            break;
		case date_format4:
            stringFormat="dd-mm";
            break;
		case date_format5:
            stringFormat="dd/mm/yy";
            break;
		case date_format6:
            stringFormat="dd/mm/yyyy";
            break;
		case date_format7:
            stringFormat="mmm-yy";
            break;
		case date_format8:
            stringFormat="mmmm-yy";
            break;
		case date_format9:
            stringFormat="mmmm-yyyy";
            break;
		case date_format10:
            stringFormat="m-yy";
            break;
		case date_format11:
            stringFormat="dd/mmm";
            break;
		case date_format12:
            stringFormat="dd/mm";
            break;
		case date_format13:
            stringFormat="dd/mmm/yyyy";
            break;
		case date_format14:
            stringFormat="yyyy/mmm/dd";
            break;
		case date_format15:
            stringFormat="yyyy-mmm-dd";
            break;
		case date_format16:
            stringFormat="yyyy-mm-dd";
            break;
        case date_format17:
            stringFormat="d mmmm yyyy";
            break;
        case date_format18:
            stringFormat="mm/dd/yyyy";
            break;
        case date_format19:
            stringFormat="mm/dd/yy";
            break;
        case date_format20:
            stringFormat="mmm/dd/yy";
            break;
        case date_format21:
            stringFormat="mmm/dd/yyyy";
            break;
        case date_format22:
            stringFormat="mmm-yyyy";
            break;
        case date_format23:
            stringFormat="yyyy";
            break;
        case date_format24:
            stringFormat="yy";
            break;
        case date_format25:
            stringFormat="yyyy/mm/dd";
            break;
        case date_format26:
			stringFormat="yyyy/mmm/dd";
            break;
		case Time_format:
		case SecondeTime_format:
			stringFormat=cell->locale()->timeFormat();
			break;
        case Time_format1:
            stringFormat = "h:mm AM/PM";
            break;
        case Time_format2:
            stringFormat = "h:mm:ss AM/PM";
            break;
        case Time_format3:
            stringFormat = "h \"h\" mm \"min\" ss \"s\"";
            break;
        case Time_format4:
            stringFormat = "h:mm";
            break;
        case Time_format5:
            stringFormat = "h:mm:ss";
            break;
        case Time_format6:
            stringFormat = "mm:ss";
            break;
        case Time_format7:
            stringFormat = "[h]:mm:ss";
            break;
        case Time_format8:
            stringFormat = "[h]:mm";
            break;
		case fraction_half:
			stringFormat="# ?/2";
			break;
		case fraction_quarter:
			stringFormat="# ?/4";
			break;
		case fraction_eighth:
			stringFormat="# ?/8";
			break;
		case fraction_sixteenth:
			stringFormat="# ?/16";
			break;
		case fraction_tenth:
			stringFormat="# ?/10";
			break;
		case fraction_hundredth:
			stringFormat="# ?/100";
			break;
		case fraction_one_digit:
			stringFormat="# ?/?";
			break;
		case fraction_two_digits:
			stringFormat="# ?\?/?\?";
			break;
		case fraction_three_digits:
			stringFormat="# ?\?\?/?\?\?";
			break;
        case Custom_format:
            stringFormat = cell->format()->getFormatString(currentcolumn,currentrow);
            break;
        default:
            break;
    }
    cell_style.setAttribute("Format",stringFormat);

    if(hasBorder(cell, currentcolumn, currentrow))
        cell_style.appendChild(GetBorderStyle(gnumeric_doc, cell, currentcolumn, currentrow));

	return cell_style;
}


void GNUMERICExport::addAttributeItem(TQDomDocument gnumeric_doc, TQDomElement attributes, const TQString& type, const TQString& name, bool value)
{
    TQDomElement gmr_attribute, gmr_type, gmr_name, gmr_value;

    gmr_attribute = gnumeric_doc.createElement("gmr:Attribute");
    attributes.appendChild(gmr_attribute);

    gmr_type = gnumeric_doc.createElement("gmr:type");
    gmr_type.appendChild(gnumeric_doc.createTextNode(type));
    gmr_attribute.appendChild(gmr_type);

    gmr_name = gnumeric_doc.createElement("gmr:name");
    gmr_name.appendChild(gnumeric_doc.createTextNode(name));
    gmr_attribute.appendChild(gmr_name);

    TQString txtValue;
    if (value)
        txtValue = "true";
    else
        txtValue = "false";

    gmr_value = gnumeric_doc.createElement("gmr:value");
    gmr_value.appendChild(gnumeric_doc.createTextNode(txtValue));
    gmr_attribute.appendChild(gmr_value);
}

void GNUMERICExport::addSummaryItem(TQDomDocument gnumeric_doc, TQDomElement summary, const TQString& name, const TQString& value)
{
    if ( value.isEmpty() )
        return;
    TQDomElement gmr_item, gmr_name, gmr_val_string;

    gmr_item = gnumeric_doc.createElement("gmr:Item");
    summary.appendChild(gmr_item);

    gmr_name = gnumeric_doc.createElement("gmr:name");
    gmr_name.appendChild(gnumeric_doc.createTextNode(name));
    gmr_item.appendChild(gmr_name);

    gmr_val_string = gnumeric_doc.createElement("gmr:val-string");
    gmr_val_string.appendChild(gnumeric_doc.createTextNode(value));
    gmr_item.appendChild(gmr_val_string);
}

// The reason why we use the KoDocument* approach and not the TQDomDocument
// approach is because we don't want to export formulas but values !
KoFilter::ConversionStatus GNUMERICExport::convert( const TQCString& from, const TQCString& to )
{
    kdDebug(30521) << "Exporting GNUmeric" << endl;

    TQDomDocument gnumeric_doc=TQDomDocument();

    Sheet* table;
    KoDocument* document = m_chain->inputDocument();

    if (!document)
        return KoFilter::StupidError;

    if ( !::tqqt_cast<const KSpread::Doc *>( document ) )  // it's safer that way :)
    {
      kdWarning(30521) << "document isn't a KSpread::Doc but a " << document->className() << endl;
        return KoFilter::NotImplemented;
    }
    if (to != "application/x-gnumeric" || from != "application/x-kspread")
    {
        kdWarning(30521) << "Invalid mimetypes " << to << " " << from << endl;
        return KoFilter::NotImplemented;
    }

    Doc* ksdoc = (Doc*)document;

    if (ksdoc->mimeType() != "application/x-kspread")
    {
        kdWarning(30521) << "Invalid document mimetype " << ksdoc->mimeType() << endl;
        return KoFilter::NotImplemented;
    }

    /* This could be Made into a function */

    gnumeric_doc.appendChild( gnumeric_doc.createProcessingInstruction( "xml", "version=\"1.0\" encoding=\"UTF-8\"" ) );

    TQDomElement workbook = gnumeric_doc.createElement("gmr:Workbook");
    workbook.setAttribute("xmlns:gmr","http://www.gnumeric.org/v10.dtd");
    workbook.setAttribute("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance");
    workbook.setAttribute("xmlns:schemaLocation", "http://www.gnumeric.org/v8.xsd");
    gnumeric_doc.appendChild(workbook);

    /* End Made into a function */

    TQDomElement sheets,sheet,tmp,cells,selections, cols,rows,styles,merged, margins, top, left, bottom, right, orientation, paper, header, footer, customSize, cellComment, objects, repeatColumns, repeatRows;

    KoDocumentInfo *DocumentInfo = document->documentInfo();
    KoDocumentInfoAbout *aboutPage = static_cast<KoDocumentInfoAbout *>(DocumentInfo->page( "about" ));

    KoDocumentInfoAuthor *authorPage = static_cast<KoDocumentInfoAuthor*>(DocumentInfo->page( "author" ));

    /*
     * Attributes
     */
    TQDomElement attributes = gnumeric_doc.createElement("gmr:Attributes");
    workbook.appendChild(attributes);

    addAttributeItem(gnumeric_doc, attributes, "4", "WorkbookView::show_horizontal_scrollbar", ksdoc->showHorizontalScrollBar());
    addAttributeItem(gnumeric_doc, attributes, "4", "WorkbookView::show_vertical_scrollbar", ksdoc->showVerticalScrollBar());
    addAttributeItem(gnumeric_doc, attributes, "4", "WorkbookView::show_notebook_tabs", ksdoc->showTabBar());
    if (ksdoc->completionMode() == TDEGlobalSettings::CompletionAuto)
        addAttributeItem(gnumeric_doc, attributes, "4", "WorkbookView::do_auto_completion", "true");
    else
        addAttributeItem(gnumeric_doc, attributes, "4", "WorkbookView::do_auto_completion", "false");
    addAttributeItem(gnumeric_doc, attributes, "4", "WorkbookView::is_protected", ksdoc->map()->isProtected());

    /*
     * Doccument summary
     */
    TQDomElement summary =  gnumeric_doc.createElement("gmr:Summary");
    workbook.appendChild(summary);

    addSummaryItem(gnumeric_doc, summary, "title", aboutPage->title());
    addSummaryItem(gnumeric_doc, summary, "company", authorPage->company());
    addSummaryItem(gnumeric_doc, summary, "author", authorPage->fullName());
    addSummaryItem(gnumeric_doc, summary, "comments", aboutPage->abstract());
    addSummaryItem(gnumeric_doc, summary, "keywords", aboutPage->keywords());

    addSummaryItem(gnumeric_doc, summary, "application", "KSpread");

    /*
     * Sheet name index (necessary for the gnumeric xml_sax importer)
     */
    TQDomElement sheetNameIndex = gnumeric_doc.createElement("gmr:SheetNameIndex");
    workbook.appendChild(sheetNameIndex);

    for (table = ksdoc->map()->firstSheet(); table != 0L; table =ksdoc->map()->nextSheet())
    {
        TQDomElement sheetName = gnumeric_doc.createElement("gmr:SheetName");
        sheetName.appendChild(gnumeric_doc.createTextNode(table->tableName()));
        sheetNameIndex.appendChild(sheetName);
    }

    /*
     * Area Names
     */
    /*
    <gmr:Names>
    <gmr:Name>
      <gmr:name>test</gmr:name>
      <gmr:value>Sheet2!$A$2:$D$10</gmr:value>
      <gmr:position>A1</gmr:position>
    </gmr:Name>
    <gmr:Name>
      <gmr:name>voiture</gmr:name>
      <gmr:value>Sheet2!$A$2:$D$8</gmr:value>
      <gmr:position>A1</gmr:position>
    </gmr:Name>
  </gmr:Names>
    */
    if ( ksdoc->listArea().count()>0 )
    {
        TQDomElement areaNames = gnumeric_doc.createElement("gmr:Names");
        const TQValueList<Reference> &area = ksdoc->listArea(); // copying by value is slow!
        TQValueList<Reference>::ConstIterator it = area.begin();
        TQValueList<Reference>::ConstIterator end = area.end();
        for ( ; it != end; ++it )
        {
            TQDomElement areaName = gnumeric_doc.createElement("gmr:Name");
            TQDomElement areaNameElement = gnumeric_doc.createElement("gmr:name");
            areaNameElement.appendChild(gnumeric_doc.createTextNode(( *it ).ref_name) );
            areaName.appendChild( areaNameElement );
            TQDomElement areaNameValue = gnumeric_doc.createElement("gmr:value");
            areaNameValue.appendChild(gnumeric_doc.createTextNode( convertRefToRange( ( *it ).sheet_name, ( *it ).rect )  ) );
            areaName.appendChild( areaNameValue );
            areaNames.appendChild( areaName );
            //TODO <gmr:position>A1</gmr:position> I don't know what is it.
        }
        workbook.appendChild(areaNames);
    }


    /*
     * Sheets
     */
    sheets = gnumeric_doc.createElement("gmr:Sheets");
    workbook.appendChild(sheets);

    TQString str;

    View * view = static_cast<View*>( ksdoc->views().getFirst());
    Canvas * canvas=0L;
    TQString activeTableName;
    if (view)
    {
        canvas = view->canvasWidget();
        activeTableName =  canvas->activeSheet()->sheetName();
    }
    int i = 0;
    int indexActiveTable=0;
    for (table = ksdoc->map()->firstSheet(); table != 0L; table =ksdoc->map()->nextSheet(), i++)
    {
        if ( table->print()->paperFormat()==PG_CUSTOM )
        {
            customSize = gnumeric_doc.createElement( "gmr:Geometry" );
            customSize.setAttribute( "Width", POINT_TO_MM ( table->print()->paperWidth() ));
            customSize.setAttribute( "Height", POINT_TO_MM (table->print()->paperWidth() ));
            sheets.appendChild(customSize);
            //<gmr:Geometry Width="768" Height="365"/>
        }

        sheet = gnumeric_doc.createElement("gmr:Sheet");
        sheets.appendChild(sheet);

        sheet.setAttribute("DisplayFormulas", table->getShowFormula() ? "true" : "false" );
        sheet.setAttribute("HideZero", table->getHideZero()? "true" : "false");
        sheet.setAttribute("HideGrid", !table->getShowGrid()? "true" : "false");
        sheet.setAttribute("HideColHeader", ( !ksdoc->showColumnHeader() ? "true" : "false" ));
        sheet.setAttribute("HideRowHeader", ( !ksdoc->showRowHeader()? "true" : "false" ));
        /* Not available in KSpread ?
         * sheet.setAttribute("DisplayOutlines", "true");
         * sheet.setAttribute("OutlineSymbolsBelow", "true");
         * sheet.setAttribute("OutlineSymbolsRight", "true");
         * sheet.setAttribute("TabColor", "");
         * sheet.setAttribute("TabTextColor", "");
         */

        tmp = gnumeric_doc.createElement("gmr:Name");
        if ( table->tableName()==activeTableName )
            indexActiveTable = i;

        tmp.appendChild(gnumeric_doc.createTextNode(table->tableName()));

        sheet.appendChild(tmp);

        tmp = gnumeric_doc.createElement("gmr:MaxCol");
        tmp.appendChild(gnumeric_doc.createTextNode(TQString::number(table->maxColumn())));
        sheet.appendChild(tmp);

        tmp = gnumeric_doc.createElement("gmr:MaxRow");

        tmp.appendChild(gnumeric_doc.createTextNode(TQString::number(table->maxRow())));
        sheet.appendChild(tmp);

        // Zoom value doesn't appear to be correct
        // KSpread 200% gives zoom() = 2.5, this in GNumeric = 250%
        tmp = gnumeric_doc.createElement("gmr:Zoom");
        if (view)
            tmp.appendChild(gnumeric_doc.createTextNode(TQString::number(canvas->zoom())));
        else
            tmp.appendChild(gnumeric_doc.createTextNode("1.0"));
        sheet.appendChild(tmp);

        //Print Info
        tmp = gnumeric_doc.createElement( "gmr:PrintInformation" );
        margins = gnumeric_doc.createElement( "gmr:Margins" );

        top = gnumeric_doc.createElement( "gmr:top" );
        top.setAttribute("Points", table->print()->topBorder());
        top.setAttribute("PrefUnit", "mm");
        margins.appendChild( top );

        bottom = gnumeric_doc.createElement( "gmr:bottom" );
        bottom.setAttribute("Points", table->print()->bottomBorder());
        bottom.setAttribute("PrefUnit", "mm");
        margins.appendChild( bottom );

        left = gnumeric_doc.createElement( "gmr:left" );
        left.setAttribute("Points", table->print()->leftBorder());
        left.setAttribute("PrefUnit", "mm");
        margins.appendChild( left );

        right = gnumeric_doc.createElement( "gmr:right" );
        right.setAttribute("Points", table->print()->rightBorder());
        right.setAttribute("PrefUnit", "mm");
        margins.appendChild( right );

        tmp.appendChild( margins );
        sheet.appendChild(tmp);

        orientation = gnumeric_doc.createElement( "gmr:orientation" );
        TQString orientString = table->print()->orientation() == PG_LANDSCAPE ? "landscape" : "portrait";
        orientation.appendChild( gnumeric_doc.createTextNode(orientString) );
        tmp.appendChild( orientation );

        //TODO for future
        //<gmr:repeat_top value="A1:IV5"/>
        //<gmr:repeat_left value="B1:D65536"/>

        int _tmpRepeatColumnStart = table->print()->printRepeatColumns().first;
        int _tmpRepeatColumnEnd = table->print()->printRepeatColumns().second;
        if ( _tmpRepeatColumnStart!=0 )
        {
            repeatColumns = gnumeric_doc.createElement( "gmr:repeat_left" );
            TQString value = Cell::columnName( _tmpRepeatColumnStart )+"1:"+Cell::columnName(_tmpRepeatColumnEnd )+"65536";
            repeatColumns.setAttribute( "value", value );
            tmp.appendChild( repeatColumns );
        }
        int _tmpRepeatRowStart = table->print()->printRepeatRows().first;
        int _tmpRepeatRowEnd = table->print()->printRepeatRows().second;
        if ( _tmpRepeatRowStart!=0 )
        {
            repeatRows = gnumeric_doc.createElement( "gmr:repeat_top" );
            TQString value = "A"+ TQString::number(_tmpRepeatRowStart ) +":IV"+TQString::number( _tmpRepeatRowEnd );
            repeatRows.setAttribute( "value", value );
            tmp.appendChild( repeatRows );
        }

        header = gnumeric_doc.createElement( "gmr:Header" );
        header.setAttribute( "Left", convertVariable(table->print()->headLeft() ) );
        header.setAttribute( "Middle", convertVariable(table->print()->headMid() ) );
        header.setAttribute( "Right", convertVariable(table->print()->headRight() ) );
        tmp.appendChild( header );

        footer = gnumeric_doc.createElement( "gmr:Footer" );
        footer.setAttribute( "Left", convertVariable( table->print()->footLeft() ) );
        footer.setAttribute( "Middle", convertVariable( table->print()->footMid() ) );
        footer.setAttribute( "Right", convertVariable( table->print()->footRight() ));
        tmp.appendChild( footer );

        paper = gnumeric_doc.createElement( "gmr:paper" );
        paper.appendChild( gnumeric_doc.createTextNode( table->print()->paperFormatString() ) );
        tmp.appendChild( paper );

        styles = gnumeric_doc.createElement("gmr:Styles");
        sheet.appendChild(styles);

        cells = gnumeric_doc.createElement("gmr:Cells");
        sheet.appendChild(cells);

        objects = gnumeric_doc.createElement("gmr:Objects");
        sheet.appendChild(objects);

        merged = gnumeric_doc.createElement("gmr:MergedRegions");
        bool mergedCells = false; // if there are no merged cells in this sheet, don't write an
        // empty mergedRegions to the file.
        // So, depending on the value of mergedCells,
        // the merged dom element is added or not.

        cols = gnumeric_doc.createElement("gmr:Cols");
        sheet.appendChild(cols);

        rows = gnumeric_doc.createElement("gmr:Rows");
        sheet.appendChild(rows);

        /*
          selections = gnumeric_doc.createElement("gmr:Selections");
          sheet.appendChild(selections);
        */
        // Ah ah ah - the document is const, but the map and table aren't. Safety: 0.
        // Either we get hold of Sheet::m_dctCells and apply the old method below
        // (for sorting) or, cleaner and already sorted, we use Sheet's API
        // (slower probably, though)
        int iMaxColumn = table->maxColumn();
        int iMaxRow = table->maxRow();

        // this is just a bad approximation which fails for documents with less than 50 rows, but
        // we don't need any progress stuff there anyway :) (Werner)
        int value=0;
        int step=iMaxRow > 50 ? iMaxRow/50 : 1;
        int i=1;

        TQString emptyLines;

        /* Save selection info. */

        /* can't save selection anymore -- part of the view, not table */
        /*
          TQDomElement selection = gnumeric_doc.createElement("gmr:Selection");
          TQRect table_selection(table->selection());

          selections.appendChild(selection);
        */
        /*  <gmr:Selection startCol="3" startRow="2" endCol="3" endRow="2"/>*/
        /*
          selection.setAttribute("startCol", TQString::number(table_selection.left()-1));
          selection.setAttribute("startRow", TQString::number(table_selection.top()-1));

          selection.setAttribute("endCol", TQString::number(table_selection.right()-1));
          selection.setAttribute("endRow", TQString::number(table_selection.bottom()-1));
        */
        /* End selection info. */


        /* Start COLS */
        ColumnFormat *cl=table->firstCol();
        while (cl)
        {
            TQDomElement colinfo = gnumeric_doc.createElement("gmr:ColInfo");
            cols.appendChild(colinfo);
            colinfo.setAttribute("No", TQString::number(cl->column()-1));
            colinfo.setAttribute("Hidden", TQString::number(cl->isHide()));
            colinfo.setAttribute("Unit", TQString::number(cl->dblWidth()));

            cl=cl->next();
        }

        /* End COLS */

        //	 RowFormat *rl=table->m_cells.firstCell;
        //   <gmr:ColInfo No="1" Unit="96.75" MarginA="2" MarginB="2" HardSize="-1" Hidden="0"/>

        /* Start ROWS */
        RowFormat *rl=table->firstRow();
        while (rl)
        {
            TQDomElement rowinfo = gnumeric_doc.createElement("gmr:RowInfo");
            rows.appendChild(rowinfo);
            rowinfo.setAttribute("No", TQString::number(rl->row()-1));
            rowinfo.setAttribute("Hidden", TQString::number(rl->isHide()));
            rowinfo.setAttribute("Unit", TQString::number(rl->dblHeight()));

            rl=rl->next();
        }

        /* End ROWS */

        //rl->setHeight
        //	 colinfo.info();
        /*
          <gmr:ColInfo No="1" Unit="96.75" MarginA="2" MarginB="2" HardSize="-1" Hidden="0"/>
          <gmr:ColInfo No="3" Unit="113.25" MarginA="2" MarginB="2" HardSize="-1"
          Hidden="0"/>
        */

        /* End COLS */

        for (int currentrow = 1; currentrow <= iMaxRow; ++currentrow, ++i)
        {
            if(i>step)
            {
                value+=2;
                emit sigProgress(value);
                i=0;
            }

            TQString line;
            for (int currentcolumn = 1; currentcolumn <= iMaxColumn; currentcolumn++)
            {
                TQDomElement cell_contents;
                Cell * cell = table->cellAt( currentcolumn, currentrow, false );

                TQString text, style;
                TQDomDocument domLink;
                TQDomElement domRoot;
                TQDomNode domNode;
                TQDomNodeList childNodes;

                if (!cell->isDefault() && !cell->isEmpty())
                {
                    if ( cell->isFormula() )
                    {
                        TQString tmp = cell->text();
                        if ( tmp.contains( "==" ) )
                            tmp=tmp.replace( "==", "=" );
                        text = tmp;
                        isLink = false;
                    }
                    else if ( !cell->link().isEmpty() )
                    {
                        isLink = true;
                        isLinkBold = false;
                        isLinkItalic = false;
                        //TODO FIXME
                        linkUrl = cell->link();
                        linkText = cell->text();

                    }
                    else
                    {
                        text = cell->text();
                        isLink = false;
                    }
#if 0
                    switch (cell->content())
                    {
                    case Cell::Text:
                        text = cell->text();
                        isLink = false;
                        break;
                    case Cell::RichText:
                        // hyperlinks
                        // Extract the cell text
                        isLink = true;
                        isLinkBold = false;
                        isLinkItalic = false;
                        domLink.setContent(cell->text().section("!",1,1));

                        domNode = domLink.firstChild();
                        domRoot = domNode.toElement();
                        text = domNode.toElement().text();

                        while (!domNode.isNull())
                        {
                            style = domNode.toElement().tagName();

                            if (style == "b")
                                isLinkBold = true;

                            if (style == "i")
                                isLinkItalic = true;

                            domNode = domNode.firstChild();
                        }

                        //kdDebug(30521) << "---> link, text = " << text << endl;

                        linkUrl = domRoot.attribute("href");
                        linkText = text;

                        break;
                    case Cell::VisualFormula:
                        isLink = false;
                        text = cell->text(); // untested
                        break;
                    case Cell::Formula:
                        isLink = false;
                        TQString tmp = cell->text();
                        if ( tmp =="==" )
                            tmp=replace( "==", "=" );
                        /* cell->calc( TRUE ); // Incredible, cells are not calculated if the document was just opened text = cell->valueString(); */
                        text = tmp;
                        break;
                    }
#endif
                }

                if (!cell->isDefault())
                {

                    // Check if the cell is merged
                    // Only cells with content are interesting?
                    // Otherwise it can take a while to parse a large sheet

                    if (cell->doesMergeCells())
                    {
                        // The cell is forced to occupy other cells
                        TQDomElement merge = gnumeric_doc.createElement("gmr:Merge");

                        // Set up the range
                        TQString fromCol, toCol, fromRow, toRow;
                        fromCol = cell->columnName(currentcolumn);
                        fromRow = TQString::number(currentrow);
                        toCol = cell->columnName(currentcolumn + cell->mergedXCells());
                        toRow = TQString::number(currentrow + cell->mergedYCells());

                        merge.appendChild(gnumeric_doc.createTextNode(fromCol + fromRow + ":" + toCol + toRow));
                        mergedCells = true;
                        merged.appendChild(merge);
                    }
                    // ---
                    if ( !cell->format()->comment( currentcolumn, currentrow ).isEmpty() )
                    {
                        //<gmr:CellComment Author="" Text="cvbcvbxcvb&#10;cb&#10;xc&#10;vbxcv&#10;" ObjectBound="A1" ObjectOffset="0 0 0 0" ObjectAnchorType="17 16 17 16" Direction="17"/>
                        cellComment = gnumeric_doc.createElement("gmr:CellComment");
                        cellComment.setAttribute( "Text", cell->format()->comment( currentcolumn, currentrow ) );
                        TQString sCell=TQString( "%1%2" ).arg( Cell::columnName(currentcolumn ) ).arg( currentrow );

                        cellComment.setAttribute("ObjectBound", sCell );
                        objects.appendChild(cellComment);

                    }
                    TQDomElement gnumeric_cell = gnumeric_doc.createElement("gmr:Cell");
                    TQDomElement cell_style;

                    TQDomElement style_region = gnumeric_doc.createElement("gmr:StyleRegion");

                    cells.appendChild(gnumeric_cell);

                    gnumeric_cell.setAttribute("Col", TQString::number(currentcolumn-1));
                    gnumeric_cell.setAttribute("Row", TQString::number(currentrow-1));

                    /* Right now, we create a single region for each cell.. This is inefficient,
                     * but the implementation is quicker.. Probably later we will have to
                     * consolidate styles into style regions.
                     */

                    style_region.setAttribute("startCol", TQString::number(currentcolumn-1));
                    style_region.setAttribute("startRow", TQString::number(currentrow-1));
                    style_region.setAttribute("endCol", TQString::number(currentcolumn-1));
                    style_region.setAttribute("endRow", TQString::number(currentrow-1));

                    cell_style = GetCellStyle(gnumeric_doc,cell,currentcolumn,currentrow);

                    style_region.appendChild(cell_style);

                    styles.appendChild(style_region);

                    //cell_contents = gnumeric_doc.createElement("gmr:Content");
                    gnumeric_cell.appendChild(gnumeric_doc.createTextNode(text));
                    //gnumeric_cell.appendChild(cell_contents);
                }

                // Append a delimiter, but in a temp string -> if no other real cell in this line,
                // then those will be dropped
            }
        }

        if (mergedCells)
            sheet.appendChild(merged);
    }
    TQDomElement uidata = gnumeric_doc.createElement("gmr:UIData");
    uidata.setAttribute( "SelectedTab", indexActiveTable );
    workbook.appendChild(uidata);

    str = gnumeric_doc.toString ();

    emit sigProgress(100);

    // Ok, now write to export file

    TQIODevice* out = KFilterDev::deviceForFile(m_chain->outputFile(),"application/x-gzip");

    if (!out)
    {
        kdError(30521) << "No output file! Aborting!" << endl;
        return KoFilter::FileNotFound;
    }

    if (!out->open(IO_WriteOnly))
    {
        kdError(30521) << "Unable to open output file! Aborting!" << endl;
        delete out;
        return KoFilter::FileNotFound;
    }

    TQTextStream streamOut(out);

    streamOut << str;

    out->close();
    delete out;

    return KoFilter::OK;
}


TQString GNUMERICExport::convertRefToRange( const TQString & table, const TQRect & rect )
{
  TQPoint topLeft( rect.topLeft() );
  TQPoint bottomRight( rect.bottomRight() );
  if ( topLeft == bottomRight )
    return convertRefToBase( table, rect );
  TQString s;
  s += table;
  s += "!$";
  s += Cell::columnName( topLeft.x() );
  s += '$';
  s += TQString::number( topLeft.y() );
  s += ":$";
  s += Cell::columnName( bottomRight.x() );
  s += '$';
  s += TQString::number( bottomRight.y() );

  return s;
}


TQString GNUMERICExport::convertRefToBase( const TQString & table, const TQRect & rect )
{
  TQPoint bottomRight( rect.bottomRight() );

  TQString s;
  s = table;
  s += "!$";
  s += Cell::columnName( bottomRight.x() );
  s += '$';
  s += TQString::number( bottomRight.y() );

  return s;
}

TQString GNUMERICExport::convertVariable( TQString headerFooter )
{
    headerFooter = headerFooter.replace( "<sheet>", "&[TAB]" );
    headerFooter = headerFooter.replace( "<date>", "&[DATE]" );
    headerFooter = headerFooter.replace( "<page>", "&[PAGE]" );
    headerFooter = headerFooter.replace( "<pages>", "&[PAGES]" );
    headerFooter = headerFooter.replace( "<time>", "&[TIME]" );
    headerFooter = headerFooter.replace( "<file>", "&[FILE]" );

    return headerFooter;
}

#include "gnumericexport.moc"