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/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: QTableConnection.cxx,v $
 *
 *  $Revision: 1.8 $
 *
 *  last change: $Author: rt $ $Date: 2007-11-05 08:54:43 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    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
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_dbaccess.hxx"
#ifndef DBAUI_QUERYTABLECONNECTION_HXX
#include "QTableConnection.hxx"
#endif
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif
#ifndef DBAUI_QUERYTABLEVIEW_HXX
#include "QueryTableView.hxx"
#endif
#ifndef DBAUI_CONNECTIONLINE_HXX
#include "ConnectionLine.hxx"
#endif
using namespace dbaui;
//========================================================================
// class OQueryTableConnection
//========================================================================
DBG_NAME(OQueryTableConnection)

//------------------------------------------------------------------------
OQueryTableConnection::OQueryTableConnection(OQueryTableView* pContainer, const TTableConnectionData::value_type& pTabConnData)
    :OTableConnection(pContainer, pTabConnData)
    ,m_bVisited(sal_False)
{
    DBG_CTOR(OQueryTableConnection,NULL);
}


//------------------------------------------------------------------------
OQueryTableConnection::OQueryTableConnection(const OQueryTableConnection& rConn)
    :OTableConnection( rConn )
{
    DBG_CTOR(OQueryTableConnection,NULL);
    // keine eigenen Members, also reicht die Basisklassenfunktionalitaet
}
//------------------------------------------------------------------------
OQueryTableConnection::~OQueryTableConnection()
{
    DBG_DTOR(OQueryTableConnection,NULL);
}

//------------------------------------------------------------------------
OQueryTableConnection& OQueryTableConnection::operator=(const OQueryTableConnection& rConn)
{
    if (&rConn == this)
        return *this;

    OTableConnection::operator=(rConn);
    // keine eigenen Members ...
    return *this;
}

//------------------------------------------------------------------------
sal_Bool OQueryTableConnection::operator==(const OQueryTableConnection& rCompare)
{
    DBG_ASSERT(GetData() && rCompare.GetData(), "OQueryTableConnection::operator== : einer der beiden Teilnehmer hat keine Daten !");

    // allzuviel brauche ich nicht vergleichen (schon gar nicht alle Member) : lediglich die Fenster, an denen wir haengen, und
    // die Indizies in der entsprechenden Tabelle muessen uebereinstimmen
    OQueryTableConnectionData* pMyData = static_cast<OQueryTableConnectionData*>(GetData().get());
    OQueryTableConnectionData* pCompData = static_cast<OQueryTableConnectionData*>(rCompare.GetData().get());

    // Connections werden als gleich angesehen, wenn sie in Source-/Dest-Fenstername und Source-/Dest-FieldIndex uebereinstimmen ...
    return	(	(	(pMyData->getReferencedTable() == pCompData->getReferencedTable()) &&
                    (pMyData->getReferencingTable() == pCompData->getReferencingTable()) &&
                    (pMyData->GetFieldIndex(JTCS_TO) == pCompData->GetFieldIndex(JTCS_TO)) &&
                    (pMyData->GetFieldIndex(JTCS_FROM) == pCompData->GetFieldIndex(JTCS_FROM))
                )
                ||	// ... oder diese Uebereinstimmung ueber Kreuz besteht
                (	(pMyData->getReferencingTable() == pCompData->getReferencedTable()) &&
                    (pMyData->getReferencedTable() == pCompData->getReferencingTable()) &&
                    (pMyData->GetFieldIndex(JTCS_TO) == pCompData->GetFieldIndex(JTCS_FROM)) &&
                    (pMyData->GetFieldIndex(JTCS_FROM) == pCompData->GetFieldIndex(JTCS_TO))
                )
            );
}
// -----------------------------------------------------------------------------