/* This file is part of the KDE project
   Copyright (C) 2004-2006 David Faure <faure@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.
*/

#include "KoOasisContext.h"
#include <KoOasisStyles.h>
#include <KoOasisStore.h>
#include <KoXmlNS.h>
#include <KoXmlWriter.h>
#include <kdebug.h>
#include <KoDom.h>

KoOasisContext::KoOasisContext( KoDocument* doc, KoVariableCollection& varColl,
                                KoOasisStyles& styles, KoStore* store )
    : KoOasisLoadingContext( doc, styles, store ),
      m_varColl( varColl ),
      m_cursorTextParagraph( 0 )
{
}

static QDomElement findListLevelStyle( const QDomElement& fullListStyle, int level )
{
    for ( QDomNode n = fullListStyle.firstChild(); !n.isNull(); n = n.nextSibling() )
    {
       const QDomElement listLevelItem = n.toElement();
       if ( listLevelItem.attributeNS( KoXmlNS::text, "level", QString::null ).toInt() == level )
           return listLevelItem;
    }
    return QDomElement();
}

bool KoOasisContext::pushListLevelStyle( const QString& listStyleName, int level )
{
    QDomElement* fullListStyle = oasisStyles().listStyles()[listStyleName];
    if ( !fullListStyle ) {
        kdWarning(32500) << "List style " << listStyleName << " not found!" << endl;
        return false;
    }
    else
        return pushListLevelStyle( listStyleName, *fullListStyle, level );
}

bool KoOasisContext::pushOutlineListLevelStyle( int level )
{
    QDomElement outlineStyle = KoDom::namedItemNS( oasisStyles().officeStyle(), KoXmlNS::text, "outline-style" );
    return pushListLevelStyle( "<outline-style>", outlineStyle, level );
}

bool KoOasisContext::pushListLevelStyle( const QString& listStyleName, // for debug only
                                         const QDomElement& fullListStyle, int level )
{
    // Find applicable list-level-style for level
    int i = level;
    QDomElement listLevelStyle;
    while ( i > 0 && listLevelStyle.isNull() ) {
        listLevelStyle = findListLevelStyle( fullListStyle, i );
        --i;
    }
    if ( listLevelStyle.isNull() ) {
        kdWarning(32500) << "List level style for level " << level << " in list style " << listStyleName << " not found!" << endl;
        return false;
    }
    //kdDebug(32500) << "Pushing list-level-style from list-style " << listStyleName << " level " << level << endl;
    m_listStyleStack.push( listLevelStyle );
    return true;
}

void KoOasisContext::setCursorPosition( KoTextParag* cursorTextParagraph,
                                        int cursorTextIndex )
{
    m_cursorTextParagraph = cursorTextParagraph;
    m_cursorTextIndex = cursorTextIndex;
}

KoOasisContext::~KoOasisContext()
{
}

////

KoSavingContext::KoSavingContext( KoGenStyles& mainStyles, KoVariableSettings* settings, bool hasColumns, SavingMode savingMode )
    : m_mainStyles( mainStyles ),
      m_savingMode( savingMode ),
      m_cursorTextParagraph( 0 ),
      m_variableSettings( settings ),
      m_hasColumns( hasColumns )
{
}


KoSavingContext::~KoSavingContext()
{
}

void KoSavingContext::setCursorPosition( KoTextParag* cursorTextParagraph,
                                         int cursorTextIndex )
{
    m_cursorTextParagraph = cursorTextParagraph;
    m_cursorTextIndex = cursorTextIndex;
}

void KoSavingContext::addFontFace( const QString& fontName )
{
    m_fontFaces[fontName] = true;
}

void KoSavingContext::writeFontFaces( KoXmlWriter& writer )
{
    writer.startElement( "office:font-face-decls" );
    const QStringList fontFaces = m_fontFaces.keys();
    for ( QStringList::const_iterator ffit = fontFaces.begin(), ffend = fontFaces.end() ; ffit != ffend ; ++ffit ) {
        writer.startElement( "style:font-face" );
        writer.addAttribute( "style:name", *ffit );
        writer.addAttribute( "svg:font-family", *ffit );
        // TODO style:font-family-generic
        // TODO style:font-pitch
        writer.endElement(); // style:font-face
    }
    writer.endElement(); // office:font-face-decls
}
