dbaccess/source/ui/querydesign/QTableConnection.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "QTableConnection.hxx"
  21 #include <osl/diagnose.h>
  22 #include "QueryTableView.hxx"
  23 #include "ConnectionLine.hxx"
  24 using namespace dbaui;
  25 //========================================================================
  26 // class OQueryTableConnection
  27 //========================================================================
  28 DBG_NAME(OQueryTableConnection)
  29
  30 //------------------------------------------------------------------------
  31 OQueryTableConnection::OQueryTableConnection(OQueryTableView* pContainer, const TTableConnectionData::value_type& pTabConnData)
  32     :OTableConnection(pContainer, pTabConnData)
  33     ,m_bVisited(sal_False)
  34 {
  35     DBG_CTOR(OQueryTableConnection,NULL);
  36 }
  37
  38 //------------------------------------------------------------------------
  39 OQueryTableConnection::OQueryTableConnection(const OQueryTableConnection& rConn)
  40     :OTableConnection( rConn )
  41 {
  42     DBG_CTOR(OQueryTableConnection,NULL);
  43     // no own members, so base class functionality is sufficient
  44 }
  45 //------------------------------------------------------------------------
  46 OQueryTableConnection::~OQueryTableConnection()
  47 {
  48     DBG_DTOR(OQueryTableConnection,NULL);
  49 }
  50
  51 //------------------------------------------------------------------------
  52 OQueryTableConnection& OQueryTableConnection::operator=(const OQueryTableConnection& rConn)
  53 {
  54     if (&rConn == this)
  55         return *this;
  56
  57     OTableConnection::operator=(rConn);
  58     // no own members ...
  59     return *this;
  60 }
  61
  62 //------------------------------------------------------------------------
  63 sal_Bool OQueryTableConnection::operator==(const OQueryTableConnection& rCompare)
  64 {
  65     OSL_ENSURE(GetData() && rCompare.GetData(), "OQueryTableConnection::operator== : one of the two participants has no data!");
  66
  67     // I don't have to compare all too much (especially not all the members) : merely the windows, which we are connected to, and the indices in the corresponding table have to match.
  68     OQueryTableConnectionData* pMyData = static_cast<OQueryTableConnectionData*>(GetData().get());
  69     OQueryTableConnectionData* pCompData = static_cast<OQueryTableConnectionData*>(rCompare.GetData().get());
  70
  71     // Connections are seen as equal, if source and destination window names and source and destination field Indices match...
  72     return  (   (   (pMyData->getReferencedTable() == pCompData->getReferencedTable()) &&
  73                     (pMyData->getReferencingTable() == pCompData->getReferencingTable()) &&
  74                     (pMyData->GetFieldIndex(JTCS_TO) == pCompData->GetFieldIndex(JTCS_TO)) &&
  75                     (pMyData->GetFieldIndex(JTCS_FROM) == pCompData->GetFieldIndex(JTCS_FROM))
  76                 )
  77                 ||  // ... or this cross matching is given
  78                 (   (pMyData->getReferencingTable() == pCompData->getReferencedTable()) &&
  79                     (pMyData->getReferencedTable() == pCompData->getReferencingTable()) &&
  80                     (pMyData->GetFieldIndex(JTCS_TO) == pCompData->GetFieldIndex(JTCS_FROM)) &&
  81                     (pMyData->GetFieldIndex(JTCS_FROM) == pCompData->GetFieldIndex(JTCS_TO))
  82                 )
  83             );
  84 }
  85 // -----------------------------------------------------------------------------
  86
  87 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */