libreoffice/dbaccess/source/ui/querydesign/QTableConnection.cxx

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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_dbui.hxx"
#include "QTableConnection.hxx"
#include <osl/diagnose.h>
#include "QueryTableView.hxx"
#include "ConnectionLine.hxx"
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)
{
    OSL_ENSURE(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))
                )
            );
}
// -----------------------------------------------------------------------------

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