dbaccess/source/ui/relationdesign/RTableConnection.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 "RTableConnection.hxx"
  21 #include <tools/debug.hxx>
  22 #include "RelationTableView.hxx"
  23 #include <vcl/svapp.hxx>
  24 #include <vcl/settings.hxx>
  25 #include "ConnectionLine.hxx"
  26
  27 using namespace dbaui;
  28 // class ORelationTableConnection
  29 ORelationTableConnection::ORelationTableConnection( ORelationTableView* pContainer,
  30                                                    const TTableConnectionData::value_type& pTabConnData )
  31     :OTableConnection( pContainer, pTabConnData )
  32 {
  33 }
  34
  35 ORelationTableConnection::ORelationTableConnection( const ORelationTableConnection& rConn )
  36     : OTableConnection( rConn )
  37 {
  38     // no own members, thus the base class functionality is enough
  39 }
  40
  41 ORelationTableConnection& ORelationTableConnection::operator=( const ORelationTableConnection& rConn )
  42 {
  43     // this doesn't change anything, since the base class tests this, too and I don't have my own members to copy
  44     if (&rConn == this)
  45         return *this;
  46
  47     OTableConnection::operator=( rConn );
  48     return *this;
  49 }
  50
  51 void ORelationTableConnection::Draw(vcl::RenderContext& rRenderContext, const Rectangle& rRect )
  52 {
  53     OTableConnection::Draw(rRenderContext, rRect);
  54     ORelationTableConnectionData* pData = static_cast< ORelationTableConnectionData* >(GetData().get());
  55     if (pData && (pData->GetCardinality() == CARDINAL_UNDEFINED))
  56         return;
  57
  58     // search lines for top line
  59     Rectangle aBoundingRect;
  60     long nTop = GetBoundingRect().Bottom();
  61     long nTemp;
  62
  63     const OConnectionLine* pTopLine = NULL;
  64     const ::std::vector<OConnectionLine*>& rConnLineList = GetConnLineList();
  65     std::vector<OConnectionLine*>::const_iterator aIter = rConnLineList.begin();
  66     std::vector<OConnectionLine*>::const_iterator aEnd = rConnLineList.end();
  67
  68     for(;aIter != aEnd;++aIter)
  69     {
  70         if( (*aIter)->IsValid() )
  71         {
  72             aBoundingRect = (*aIter)->GetBoundingRect();
  73             nTemp = aBoundingRect.Top();
  74             if(nTemp < nTop)
  75             {
  76                 nTop = nTemp;
  77                 pTopLine = (*aIter);
  78             }
  79         }
  80     }
  81
  82     // cardinality
  83     if (!pTopLine)
  84         return;
  85
  86     Rectangle aSourcePos = pTopLine->GetSourceTextPos();
  87     Rectangle aDestPos = pTopLine->GetDestTextPos();
  88
  89     OUString aSourceText;
  90     OUString aDestText;
  91
  92     switch (pData->GetCardinality())
  93     {
  94     case CARDINAL_ONE_MANY:
  95         aSourceText = "1";
  96         aDestText   = "n";
  97         break;
  98
  99     case CARDINAL_MANY_ONE:
 100         aSourceText = "n";
 101         aDestText   = "1";
 102         break;
 103
 104     case CARDINAL_ONE_ONE:
 105         aSourceText = "1";
 106         aDestText   = "1";
 107         break;
 108     }
 109
 110     if (IsSelected())
 111         rRenderContext.SetTextColor(Application::GetSettings().GetStyleSettings().GetHighlightColor());
 112     else
 113         rRenderContext.SetTextColor(Application::GetSettings().GetStyleSettings().GetWindowTextColor());
 114
 115     rRenderContext.DrawText(aSourcePos, aSourceText, DrawTextFlags::Clip | DrawTextFlags::Center | DrawTextFlags::Bottom);
 116     rRenderContext.DrawText(aDestPos, aDestText, DrawTextFlags::Clip | DrawTextFlags::Center | DrawTextFlags::Bottom);
 117 }
 118
 119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */