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
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   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 // class OQueryTableConnection
  26
  27 OQueryTableConnection::OQueryTableConnection(OQueryTableView* pContainer, const TTableConnectionData::value_type& pTabConnData)
  28     : OTableConnection(pContainer, pTabConnData)
  29     , m_bVisited(false)
  30 {
  31 }
  32
  33 OQueryTableConnection::OQueryTableConnection(const OQueryTableConnection& rConn)
  34     : OTableConnection( rConn )
  35     , m_bVisited(false)
  36 {
  37     // no own members, so base class functionality is sufficient
  38 }
  39
  40 OQueryTableConnection& OQueryTableConnection::operator=(const OQueryTableConnection& rConn)
  41 {
  42     if (&rConn == this)
  43         return *this;
  44
  45     OTableConnection::operator=(rConn);
  46     // no own members ...
  47     return *this;
  48 }
  49
  50 bool OQueryTableConnection::operator==(const OQueryTableConnection& rCompare)
  51 {
  52     OSL_ENSURE(GetData() && rCompare.GetData(), "OQueryTableConnection::operator== : one of the two participants has no data!");
  53
  54     // 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.
  55     OQueryTableConnectionData* pMyData = static_cast<OQueryTableConnectionData*>(GetData().get());
  56     OQueryTableConnectionData* pCompData = static_cast<OQueryTableConnectionData*>(rCompare.GetData().get());
  57
  58     // Connections are seen as equal, if source and destination window names and source and destination field Indices match...
  59     return  (   (   (pMyData->getReferencedTable() == pCompData->getReferencedTable()) &&
  60                     (pMyData->getReferencingTable() == pCompData->getReferencingTable()) &&
  61                     (pMyData->GetFieldIndex(JTCS_TO) == pCompData->GetFieldIndex(JTCS_TO)) &&
  62                     (pMyData->GetFieldIndex(JTCS_FROM) == pCompData->GetFieldIndex(JTCS_FROM))
  63                 )
  64                 ||  // ... or this cross matching is given
  65                 (   (pMyData->getReferencingTable() == pCompData->getReferencedTable()) &&
  66                     (pMyData->getReferencedTable() == pCompData->getReferencingTable()) &&
  67                     (pMyData->GetFieldIndex(JTCS_TO) == pCompData->GetFieldIndex(JTCS_FROM)) &&
  68                     (pMyData->GetFieldIndex(JTCS_FROM) == pCompData->GetFieldIndex(JTCS_TO))
  69                 )
  70             );
  71 }
  72
  73 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */