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//
// C++ Implementation: pageitempointer
//
// Description:
//
//
// Author: Pierre Marchand <pierremarc@oep-h.com>, (C) 2008
//
// Copyright: See COPYING file that comes with this distribution
//
//

#include "pageitempointer.h"

#include "pageitem.h"

void PageItemPointerDB::addToDB(const QString & key, PageItem * value)
{
        insert(key,value);
        connect ( value,SIGNAL( destroyed ( QObject* ) ),this,SLOT( removeFromDB ( QObject* ) ) );
}

void PageItemPointerDB::removeFromDB ( QObject * obj )
{
        if ( obj )
        {
                QString k ( obj->objectName() );
                remove ( k );
        }
}

/// PageItemPointer
PageItemPointerDB PageItemPointer::PIdb;
PageItemPointer::PageItemPointer ( PageItem * pi ) :QPointer<PageItem> ( pi )
{
        if ( !isNull() )
        {
                PIdb.addToDB( pi->objectName(), pi);
               
        }
}

PageItemPointer::PageItemPointer ( const PageItemPointer & pip ) :QPointer<PageItem> (PIdb[ pip->objectName() ])
{
}

PageItemPointer::PageItemPointer(const QString & objname):QPointer<PageItem>(PIdb[objname])
{
}

PageItemPointer::~PageItemPointer()
{

}

QDataStream &operator << ( QDataStream & out , const PageItemPointer& pip )
{
        out << pip->objectName();
        return out;
}

QDataStream &operator >> ( QDataStream & in , PageItemPointer& pip )
{
        QString piName;
        in >>  piName;
        pip = PageItemPointer(piName);
        return in;
}