AOO410/main/dbaccess/source/ui/querydesign/QTableConnection.cxx

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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
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 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
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 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// 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))
				)
			);
}
// -----------------------------------------------------------------------------