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 /* This file is part of the KDE project
  * Copyright (C) 2020 Dag Andersen <danders@get2net.dk>
  *
  * 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 "KPrPageTransition.h"
 
 #include <KoXmlReader.h>
 #include <KoGenStyle.h>
 #include <KoShapeLoadingContext.h>
 #include <KoOdfLoadingContext.h>
 #include <KoOdfStylesReader.h>
 #include <KoXmlNS.h>
 
 
 KPrPageTransition::KPrPageTransition()
 : m_type(Manual)
 , m_duration(0.0)
 {
     m_odfNames[Manual] = "manual";
     m_odfNames[Automatic] = "automatic";
     m_odfNames[SemiAutomatic] = "semi-automatic";
 }
 
 KPrPageTransition::Type KPrPageTransition::type() const
 {
     return m_type;
 }
 
 void KPrPageTransition::setType(KPrPageTransition::Type type)
 {
     m_type = type;
 }
 
 QString KPrPageTransition::odfName() const
 {
     return m_odfNames[m_type];
 }
 
 qreal KPrPageTransition::duration() const
 {
     return m_duration;
 }
 
 void KPrPageTransition::setDuration(qreal duration)
 {
     m_duration = duration;
 }
 
 int KPrPageTransition::milliseconds() const
 {
     return m_duration * 1000;
 }
 
 void KPrPageTransition::saveOdfAttributes(KoGenStyle &style) const
 {
     style.addProperty("presentation:transition-type", odfName());
     style.addProperty("presentation:duration", QString("PT%1S").arg(QString::number(m_duration)));
 }
 
 bool KPrPageTransition::loadOdfAttributes(const KoXmlElement &element, KoShapeLoadingContext &context)
 {
     KoOdfStylesReader& stylesReader = context.odfLoadingContext().stylesReader();
     const KoXmlElement * styleElement = stylesReader.findContentAutoStyle( element.attributeNS( KoXmlNS::draw, "style-name" ), "drawing-page" );
     if ( styleElement ) {
         KoXmlElement element = styleElement->namedItemNS( KoXmlNS::style, "drawing-page-properties" ).toElement();
         if (!element.isNull()) {
             if (element.hasAttributeNS(KoXmlNS::presentation, "transition-type")) {
                 m_type = m_odfNames.key(element.attributeNS(KoXmlNS::presentation, "transition-type"));
             }
             if (element.hasAttributeNS(KoXmlNS::presentation, "duration")) {
                 // NOTE: This is kept very simple as duration is specified as 'PTnS' (by LO and us)
                 // In general it can conform to the pattern: 'PnYndMnDTnHnMnS'
                 // However, as only seconds are actually used, reduces to 'PTnS'
                 // E.g. 'PT3.5S' for tree and a half seconds
                 m_duration = element.attributeNS(KoXmlNS::presentation, "duration").remove("PT").remove('S').toDouble();
             }
         }
     }
     return true;
 }
 
 QDebug operator<<(QDebug dbg, const KPrPageTransition &t)
 {
     return dbg.noquote().nospace() << "KPrPageTransition[" << t.odfName() << ',' << t.duration() << ']';
 }