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