text: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
  /*
   * This file is part of the LibreOffice project.
   *
   * This Source Code Form is subject to the terms of the Mozilla Public
   * License, v. 2.0. If a copy of the MPL was not distributed with this
   * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   *
   * This file incorporates work covered by the following license notice:
   *
   *   Licensed to the Apache Software Foundation (ASF) under one or more
   *   contributor license agreements. See the NOTICE file distributed
   *   with this work for additional information regarding copyright
   *   ownership. The ASF licenses this file to you under the Apache
   *   License, Version 2.0 (the "License"); you may not use this file
   *   except in compliance with the License. You may obtain a copy of
   *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
   */
  
  #include <TableConnection.hxx>
  #include <ConnectionLine.hxx>
  #include <TableConnectionData.hxx>
  #include <JoinTableView.hxx>
  
  using namespace dbaui;
  using namespace comphelper;
  using namespace ::com::sun::star::uno;
  using namespace ::com::sun::star::accessibility;
  
  namespace dbaui
  {
      OTableConnection::OTableConnection( OJoinTableView* _pContainer,const TTableConnectionData::value_type& _pTabConnData )
          :Window(_pContainer)
          ,m_pData( _pTabConnData )
          ,m_pParent( _pContainer )
          ,m_bSelected( false )
      {
          Init();
          Show();
      }
  
      OTableConnection::OTableConnection( const OTableConnection& _rConn )
          : VclReferenceBase()
           ,Window(_rConn.m_pParent.get())
           ,m_pData(_rConn.GetData()->NewInstance())
           ,m_pParent(nullptr)
      {
          *this = _rConn;
      }
  
      void OTableConnection::Init()
      {
          // initialise linelist with defaults
          OConnectionLineDataVec& rLineData = GetData()->GetConnLineDataList();
          m_vConnLine.reserve(rLineData.size());
          for (auto const& elem : rLineData)
              m_vConnLine.emplace_back( new OConnectionLine(this, elem) );
      }
  
      void OTableConnection::clearLineData()
      {
          m_vConnLine.clear();
      }
      void OTableConnection::UpdateLineList()
      {
          // delete linelist
          clearLineData();
  
          Init();
      }
  
      OTableConnection& OTableConnection::operator=( const OTableConnection& rConn )
      {
          if( &rConn == this )
              return *this;
  
          // delete linelist
          clearLineData();
  
          // copy linelist
          if(! rConn.GetConnLineList().empty() )
          {
              const std::vector<std::unique_ptr<OConnectionLine>>& rLine = rConn.GetConnLineList();
              m_vConnLine.reserve(rLine.size());
              for (auto const& elem : rLine)
                  m_vConnLine.emplace_back( new OConnectionLine(*elem));
          }
  
          // as the data are not mine, I also do not delete the old
          m_pData->CopyFrom(*rConn.GetData());
          // CopyFrom is virtual, therefore it is not a problem if m_pData is a derived type of OTableConnectionData
  
          m_bSelected = rConn.m_bSelected;
          m_pParent = rConn.m_pParent;
  
          return *this;
      }
  
      void OTableConnection::RecalcLines()
      {
          // call RecalcLines on each line
          for( const auto& pLine : m_vConnLine )
              pLine->RecalcLine();
      }
      OTableWindow* OTableConnection::GetSourceWin() const
      {
          TTableWindowData::value_type pRef = GetData()->getReferencingTable();
          OTableWindow* pRet = m_pParent->GetTabWindow( pRef->GetWinName() );
          if ( !pRet )
          {
              pRet = m_pParent->GetTabWindow( pRef->GetComposedName() );
          }
          return pRet;
      }
      OTableWindow* OTableConnection::GetDestWin() const
      {
          TTableWindowData::value_type pRef = GetData()->getReferencedTable();
          OTableWindow* pRet = m_pParent->GetTabWindow( pRef->GetWinName() );
          if ( !pRet )
          {
              pRet = m_pParent->GetTabWindow( pRef->GetComposedName() );
          }
          return pRet;
      }
  
      void OTableConnection::Select()
      {
          m_bSelected = true;
          m_pParent->Invalidate( GetBoundingRect(), InvalidateFlags::NoChildren);
      }
  
      void OTableConnection::Deselect()
      {
          m_bSelected = false;
          InvalidateConnection();
      }
  
      bool OTableConnection::CheckHit( const Point& rMousePos ) const
      {
          // check if the point hit our line
          return std::any_of(m_vConnLine.begin(),
                               m_vConnLine.end(),
                               [&rMousePos]
                               ( const std::unique_ptr<OConnectionLine> & pLine )
                               { return pLine->CheckHit( rMousePos ); } );
      }
  
      void OTableConnection::InvalidateConnection()
      {
          tools::Rectangle rcBounding = GetBoundingRect();
          rcBounding.AdjustBottom(1 );
          rcBounding.AdjustRight(1 );
          // I believe Invalidate and Draw(Rectangle) do not behave consistent: in any case it
          // could explain, why without the fake here when deleting a connection a dash remains at the lower end:
          // Invalidate records obviously one pixel line less as Draw.
          // Or everything works differently... in any case it works...
          m_pParent->Invalidate( rcBounding, InvalidateFlags::NoChildren );
      }
  
      tools::Rectangle OTableConnection::GetBoundingRect() const
      {
          // determine all lines of the surrounding rectangle
          tools::Rectangle aBoundingRect( Point(0,0), Point(0,0) );
          tools::Rectangle aTempRect;
          for (auto const& elem : m_vConnLine)
          {
              aTempRect = elem->GetBoundingRect();
  
              // is the BoundingRect of this line valid?
              if( (aTempRect.GetWidth()!=1) && (aTempRect.GetHeight()!=1) )
              {
                  if( (aBoundingRect.GetWidth()==1) && (aBoundingRect.GetHeight()==1) )
                      aBoundingRect = aTempRect;
                  else
                      aBoundingRect.Union( aTempRect );
              }
          }
  
          return aBoundingRect;
      }
  
      void OTableConnection::Draw(vcl::RenderContext& rRenderContext, const tools::Rectangle& /*rRect*/)
      {
          // Draw line
          for( const auto& pLine : m_vConnLine )
               pLine->Draw( &rRenderContext );
      }
  }
  
  /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
  