dbaccess/source/ui/querydesign/TableConnection.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 "TableConnection.hxx"
  21 #include "ConnectionLine.hxx"
  22 #include "TableConnectionData.hxx"
  23 #include "JoinTableView.hxx"
  24 #include <comphelper/stl_types.hxx>
  25 #include "ConnectionLineAccess.hxx"
  26 #include <algorithm>
  27
  28 using namespace dbaui;
  29 using namespace comphelper;
  30 using namespace ::com::sun::star::uno;
  31 using namespace ::com::sun::star::accessibility;
  32
  33 // class OTableConnection
  34 namespace dbaui
  35 {
  36     OTableConnection::OTableConnection( OJoinTableView* _pContainer,const TTableConnectionData::value_type& _pTabConnData )
  37         :Window(_pContainer)
  38         ,m_pData( _pTabConnData )
  39         ,m_pParent( _pContainer )
  40         ,m_bSelected( false )
  41     {
  42         Init();
  43         Show();
  44     }
  45
  46     OTableConnection::OTableConnection( const OTableConnection& _rConn ) : Window(_rConn.m_pParent.get())
  47         ,m_pData(_rConn.GetData()->NewInstance())
  48         ,m_pParent(NULL)
  49     {
  50         *this = _rConn;
  51     }
  52
  53     void OTableConnection::Init()
  54     {
  55         // initialise linelist with defaults
  56         OConnectionLineDataVec& rLineData = GetData()->GetConnLineDataList();
  57         OConnectionLineDataVec::const_iterator aIter = rLineData.begin();
  58         OConnectionLineDataVec::const_iterator aEnd = rLineData.end();
  59         m_vConnLine.reserve(rLineData.size());
  60         for(;aIter != aEnd;++aIter)
  61             m_vConnLine.push_back( new OConnectionLine(this, *aIter) );
  62     }
  63
  64     OConnectionLine* OTableConnection::CreateConnLine( const OConnectionLine& rConnLine )
  65     {
  66         return new OConnectionLine( rConnLine );
  67     }
  68     void OTableConnection::clearLineData()
  69     {
  70         ::std::vector<OConnectionLine*>::iterator aLineEnd = m_vConnLine.end();
  71         for(::std::vector<OConnectionLine*>::iterator aLineIter = m_vConnLine.begin();aLineIter != aLineEnd;++aLineIter)
  72             delete *aLineIter;
  73         m_vConnLine.clear();
  74     }
  75     void OTableConnection::UpdateLineList()
  76     {
  77         // delete linelist
  78         clearLineData();
  79
  80         Init();
  81     }
  82
  83     OTableConnection& OTableConnection::operator=( const OTableConnection& rConn )
  84     {
  85         if( &rConn == this )
  86             return *this;
  87
  88         // delete linelist
  89         clearLineData();
  90
  91         // copy linelist
  92         if(! rConn.GetConnLineList().empty() )
  93         {
  94             const ::std::vector<OConnectionLine*>& rLine = rConn.GetConnLineList();
  95             ::std::vector<OConnectionLine*>::const_iterator aIter = rLine.begin();
  96             ::std::vector<OConnectionLine*>::const_iterator aEnd = rLine.end();
  97             m_vConnLine.reserve(rLine.size());
  98             for(;aIter != aEnd;++aIter)
  99                 m_vConnLine.push_back( CreateConnLine( **aIter ));
 100         }
 101
 102         // as the data are not mine, I also do not delete the old
 103         m_pData->CopyFrom(*rConn.GetData());
 104         // CopyFrom is virtual, therefore it is not a problem if m_pData is a derived type of OTableConnectionData
 105
 106         m_bSelected = rConn.m_bSelected;
 107         m_pParent = rConn.m_pParent;
 108
 109         return *this;
 110     }
 111
 112     bool OTableConnection::RecalcLines()
 113     {
 114         // call RecalcLines on each line
 115         ::std::for_each(m_vConnLine.begin(),m_vConnLine.end(),::std::mem_fun(&OConnectionLine::RecalcLine));
 116         return true;
 117     }
 118     OTableWindow* OTableConnection::GetSourceWin() const
 119     {
 120         TTableWindowData::value_type pRef = GetData()->getReferencingTable();
 121         OTableWindow* pRet = m_pParent->GetTabWindow( pRef->GetWinName() );
 122         if ( !pRet )
 123         {
 124             pRet = m_pParent->GetTabWindow( pRef->GetComposedName() );
 125         }
 126         return pRet;
 127     }
 128     OTableWindow* OTableConnection::GetDestWin() const
 129     {
 130         TTableWindowData::value_type pRef = GetData()->getReferencedTable();
 131         OTableWindow* pRet = m_pParent->GetTabWindow( pRef->GetWinName() );
 132         if ( !pRet )
 133         {
 134             pRet = m_pParent->GetTabWindow( pRef->GetComposedName() );
 135         }
 136         return pRet;
 137     }
 138
 139     void OTableConnection::Select()
 140     {
 141         m_bSelected = true;
 142         m_pParent->Invalidate( GetBoundingRect(), INVALIDATE_NOCHILDREN);
 143     }
 144
 145     void OTableConnection::Deselect()
 146     {
 147         m_bSelected = false;
 148         InvalidateConnection();
 149     }
 150
 151     bool OTableConnection::CheckHit( const Point& rMousePos ) const
 152     {
 153         // check if the point hit our line
 154         return ::std::any_of(m_vConnLine.begin(),
 155                              m_vConnLine.end(),
 156                              ::std::bind2nd(TConnectionLineCheckHitFunctor(),rMousePos));
 157     }
 158
 159     bool OTableConnection::InvalidateConnection()
 160     {
 161         Rectangle rcBounding = GetBoundingRect();
 162         rcBounding.Bottom() += 1;
 163         rcBounding.Right() += 1;
 164         // I believe Invalidate and Draw(Rectangle) do not behave consistent: in any case it
 165         // could explain, why without the fake here when deleting a connection a dash remains at the lower end:
 166         // Invalidate records obviously one pixel line less as Draw.
 167         // Or everything works differently .....  in any case it works ....
 168         m_pParent->Invalidate( rcBounding, INVALIDATE_NOCHILDREN );
 169
 170         return true;
 171     }
 172
 173     Rectangle OTableConnection::GetBoundingRect() const
 174     {
 175         // determine all lines of the surrounding rectangle
 176         Rectangle aBoundingRect( Point(0,0), Point(0,0) );
 177         Rectangle aTempRect;
 178         ::std::vector<OConnectionLine*>::const_iterator aEnd = m_vConnLine.end();
 179         for(::std::vector<OConnectionLine*>::const_iterator aIter = m_vConnLine.begin();aIter != aEnd;++aIter)
 180         {
 181             aTempRect = (*aIter)->GetBoundingRect();
 182
 183             // is the BoundingRect of this line valid?
 184             if( (aTempRect.GetWidth()!=1) && (aTempRect.GetHeight()!=1) )
 185             {
 186                 if( (aBoundingRect.GetWidth()==1) && (aBoundingRect.GetHeight()==1) )
 187                     aBoundingRect = aTempRect;
 188                 else
 189                     aBoundingRect.Union( aTempRect );
 190             }
 191         }
 192
 193         return aBoundingRect;
 194     }
 195
 196     void OTableConnection::Draw(vcl::RenderContext& rRenderContext, const Rectangle& /*rRect*/)
 197     {
 198         // Draw line
 199         std::for_each(m_vConnLine.begin(), m_vConnLine.end(), TConnectionLineDrawFunctor(&rRenderContext));
 200     }
 201 }
 202
 203 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */