dbaccess/source/ui/querydesign/TableConnectionData.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.
   4  *
   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 <TableConnectionData.hxx>
  21 #include <utility>
  22 #include <osl/diagnose.h>
  23
  24 using namespace dbaui;
  25
  26 OTableConnectionData::OTableConnectionData()
  27 {
  28     Init();
  29 }
  30
  31 OTableConnectionData::OTableConnectionData(TTableWindowData::value_type _pReferencingTable
  32                                           ,TTableWindowData::value_type _pReferencedTable )
  33  :m_pReferencingTable(std::move(_pReferencingTable))
  34  ,m_pReferencedTable(std::move(_pReferencedTable))
  35 {
  36     Init();
  37 }
  38
  39 void OTableConnectionData::Init()
  40 {
  41     // initialise linedatalist with defaults
  42     OSL_ENSURE(m_vConnLineData.empty(), "OTableConnectionData::Init() : call only with empty line list!");
  43     ResetConnLines();
  44         // this creates the defaults
  45 }
  46
  47 OTableConnectionData::OTableConnectionData( const OTableConnectionData& rConnData )
  48 {
  49     *this = rConnData;
  50 }
  51
  52 void OTableConnectionData::CopyFrom(const OTableConnectionData& rSource)
  53 {
  54     *this = rSource;
  55     // here I revert to the (non-virtual) operator =, which only copies my members
  56 }
  57
  58 OTableConnectionData::~OTableConnectionData()
  59 {
  60     // delete LineDataList
  61     OConnectionLineDataVec().swap(m_vConnLineData);
  62 }
  63
  64 OTableConnectionData& OTableConnectionData::operator=( const OTableConnectionData& rConnData )
  65 {
  66     if (&rConnData == this)
  67         return *this;
  68
  69     m_pReferencingTable = rConnData.m_pReferencingTable;
  70     m_pReferencedTable = rConnData.m_pReferencedTable;
  71     m_aConnName = rConnData.m_aConnName;
  72
  73     // clear line list
  74     ResetConnLines();
  75
  76     // and copy
  77     for (auto const& elem : rConnData.GetConnLineDataList())
  78         m_vConnLineData.push_back(new OConnectionLineData(*elem));
  79
  80     return *this;
  81 }
  82
  83 void OTableConnectionData::SetConnLine( sal_uInt16 nIndex, const OUString& rSourceFieldName, const OUString& rDestFieldName )
  84 {
  85     if (sal_uInt16(m_vConnLineData.size()) < nIndex)
  86         return;
  87
  88         // == still allowed, this corresponds to an Append
  89
  90     if (m_vConnLineData.size() == nIndex)
  91     {
  92         AppendConnLine(rSourceFieldName, rDestFieldName);
  93         return;
  94     }
  95
  96     OConnectionLineDataRef pConnLineData = m_vConnLineData[nIndex];
  97     OSL_ENSURE(pConnLineData != nullptr, "OTableConnectionData::SetConnLine : have invalid LineData object");
  98
  99     pConnLineData->SetSourceFieldName( rSourceFieldName );
 100     pConnLineData->SetDestFieldName( rDestFieldName );
 101 }
 102
 103 bool OTableConnectionData::AppendConnLine( const OUString& rSourceFieldName, const OUString& rDestFieldName )
 104 {
 105     for (auto const& elem : m_vConnLineData)
 106     {
 107         if(elem->GetDestFieldName() == rDestFieldName && elem->GetSourceFieldName() == rSourceFieldName)
 108             return true;
 109     }
 110     OConnectionLineDataRef pNew = new OConnectionLineData(rSourceFieldName, rDestFieldName);
 111     if (!pNew.is())
 112         return false;
 113
 114     m_vConnLineData.push_back(pNew);
 115     return true;
 116 }
 117
 118 void OTableConnectionData::ResetConnLines()
 119 {
 120     OConnectionLineDataVec().swap(m_vConnLineData);
 121 }
 122
 123 std::shared_ptr<OTableConnectionData> OTableConnectionData::NewInstance() const
 124 {
 125     return std::make_shared<OTableConnectionData>();
 126 }
 127
 128 OConnectionLineDataVec::size_type OTableConnectionData::normalizeLines()
 129 {
 130     // remove empty lines
 131     OConnectionLineDataVec::size_type nCount = m_vConnLineData.size();
 132     OConnectionLineDataVec::size_type nRet = nCount;
 133     for(OConnectionLineDataVec::size_type i = 0; i < nCount;)
 134     {
 135         if(m_vConnLineData[i]->GetSourceFieldName().isEmpty() && m_vConnLineData[i]->GetDestFieldName().isEmpty())
 136         {
 137             m_vConnLineData.erase(m_vConnLineData.begin()+i);
 138             --nCount;
 139             if (i < nRet)
 140                 nRet=i;
 141         }
 142         else
 143             ++i;
 144     }
 145     return nRet;
 146 }
 147
 148 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */