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