410 lines
15 KiB
C++
410 lines
15 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: ConnectionLine.cxx,v $
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* $Revision: 1.14 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_dbaccess.hxx"
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#ifndef DBAUI_CONNECTIONLINE_HXX
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#include "ConnectionLine.hxx"
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#endif
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#ifndef DBAUI_CONNECTIONLINEDATA_HXX
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#include "ConnectionLineData.hxx"
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#endif
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#ifndef DBAUI_TABLEWINDOW_HXX
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#include "TableWindow.hxx"
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#endif
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#ifndef DBAUI_TABLEWINDOWLISTBOX_HXX
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#include "TableWindowListBox.hxx"
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#endif
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#ifndef DBAUI_TABLECONNECTION_HXX
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#include "TableConnection.hxx"
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#endif
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#ifndef _SV_SVAPP_HXX
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#include <vcl/svapp.hxx>
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#endif
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#ifndef _INC_MATH
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#include <math.h>
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#endif
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#ifndef _TOOLS_DEBUG_HXX
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#include <tools/debug.hxx>
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#endif
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using namespace dbaui;
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const long DESCRIPT_LINE_WIDTH = 15;
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const long HIT_SENSITIVE_RADIUS = 5;
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namespace
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{
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/** calcRect creates a new rectangle with the given points
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@param _rBase the base point
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@param _aVector the vector which will be added
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*/
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inline Rectangle calcRect(const Point& _rBase,const Point& _aVector)
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{
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return Rectangle( _rBase - _aVector, _rBase + _aVector );
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}
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// -----------------------------------------------------------------------------
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/** GetTextPos calculate the rectangle for the connection to be drawn
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@param _pWin the table window where to draw it
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@param _aConnPos the connection point
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@param _aDescrLinePos the description line pos
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*/
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Rectangle GetTextPos(const OTableWindow* _pWin, const Point& _aConnPos,const Point& _aDescrLinePos)
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{
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OTableWindowListBox* pListBox = _pWin ? _pWin->GetListBox() : NULL;
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DBG_ASSERT(_pWin && pListBox, "OConnectionLine::GetSourceTextPos : invalid call !");
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Rectangle aReturn;
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if ( pListBox )
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{
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const long nRowHeight = pListBox->GetEntryHeight();
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aReturn.Top() = _aConnPos.Y() - nRowHeight;
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aReturn.Bottom() = aReturn.Top() + nRowHeight;
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if (_aDescrLinePos.X() < _aConnPos.X())
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{
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aReturn.Left() = _aDescrLinePos.X();
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aReturn.Right() = aReturn.Left() + _aConnPos.X() - _aDescrLinePos.X();
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}
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else
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{
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aReturn.Left() = _aConnPos.X();
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aReturn.Right() = aReturn.Left() + _aDescrLinePos.X() - _aConnPos.X();
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}
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}
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return aReturn;
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}
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// -----------------------------------------------------------------------------
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/** calcPointsYValue calculate the points Y value in relation to the listbox entry
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@param _pWin the corresponding window
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@param _pEntry the source or dest entry
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@param _rNewConPos (in/out) the connection pos
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@param _rNewDescrPos (in/out) the description pos
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*/
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void calcPointsYValue(const OTableWindow* _pWin,SvLBoxEntry* _pEntry,Point& _rNewConPos,Point& _rNewDescrPos)
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{
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const OTableWindowListBox* pListBox = _pWin->GetListBox();
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_rNewConPos.Y() = _pWin->GetPosPixel().Y();
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if ( _pEntry )
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{
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const long nRowHeight = pListBox->GetEntryHeight();
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_rNewConPos.Y() += pListBox->GetPosPixel().Y();
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long nEntryPos = pListBox->GetEntryPosition( _pEntry ).Y();
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if( nEntryPos >= 0 )
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{
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_rNewConPos.Y() += nEntryPos;
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_rNewConPos.Y() += (long)( 0.5 * nRowHeight );
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}
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else
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_rNewConPos.Y() -= (long)( 0.5 * nRowHeight );
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long nListBoxBottom = _pWin->GetPosPixel().Y()
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+ pListBox->GetPosPixel().Y()
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+ pListBox->GetSizePixel().Height();
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if( _rNewConPos.Y() > nListBoxBottom )
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_rNewConPos.Y() = nListBoxBottom + 2;
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}
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else
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_rNewConPos.Y() += static_cast<sal_Int32>(pListBox->GetPosPixel().Y()*0.5);
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_rNewDescrPos.Y() = _rNewConPos.Y();
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}
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// -----------------------------------------------------------------------------
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}
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//========================================================================
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// class OConnectionLine
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//========================================================================
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DBG_NAME(OConnectionLine)
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//------------------------------------------------------------------------
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OConnectionLine::OConnectionLine( OTableConnection* _pConn, OConnectionLineDataRef _pLineData )
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: m_pTabConn( _pConn )
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,m_pData( _pLineData )
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{
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DBG_CTOR(OConnectionLine,NULL);
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}
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//------------------------------------------------------------------------
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OConnectionLine::OConnectionLine( const OConnectionLine& _rLine )
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{
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DBG_CTOR(OConnectionLine,NULL);
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m_pData = new OConnectionLineData( *_rLine.GetData() );
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*this = _rLine;
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}
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//------------------------------------------------------------------------
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OConnectionLine::~OConnectionLine()
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{
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DBG_DTOR(OConnectionLine,NULL);
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}
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//------------------------------------------------------------------------
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OConnectionLine& OConnectionLine::operator=( const OConnectionLine& rLine )
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{
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if( &rLine != this )
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{
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// da mir die Daten nicht gehoeren, loesche ich die alten nicht
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m_pData->CopyFrom(*rLine.GetData());
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// CopyFrom ist virtuell, damit ist es kein Problem, wenn m_pData von einem von OTableConnectionData abgeleiteten Typ ist
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m_pTabConn = rLine.m_pTabConn;
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m_aSourceConnPos = rLine.m_aSourceConnPos;
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m_aDestConnPos = rLine.m_aDestConnPos;
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m_aSourceDescrLinePos = rLine.m_aSourceDescrLinePos;
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m_aDestDescrLinePos = rLine.m_aDestDescrLinePos;
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}
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return *this;
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}
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//------------------------------------------------------------------------
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Rectangle OConnectionLine::GetBoundingRect()
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{
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//////////////////////////////////////////////////////////////////////
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// Umgebendes Rechteck bestimmen
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Rectangle aBoundingRect( Point(0,0), Point(0,0) );
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if( !IsValid() )
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return aBoundingRect;
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Point aTopLeft;
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Point aBottomRight;
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if( m_aSourceDescrLinePos.Y() <= m_aDestDescrLinePos.Y() )
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{
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aTopLeft.Y() = m_aSourceDescrLinePos.Y();
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aBottomRight.Y() = m_aDestDescrLinePos.Y();
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}
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else
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{
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aTopLeft.Y() = m_aDestDescrLinePos.Y();
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aBottomRight.Y() = m_aSourceDescrLinePos.Y();
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}
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if( m_aSourceDescrLinePos.X() <= m_aDestDescrLinePos.X() )
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{
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aTopLeft.X() = m_aSourceDescrLinePos.X();
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aBottomRight.X() = m_aDestDescrLinePos.X();
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}
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else
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{
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aTopLeft.X() = m_aDestDescrLinePos.X();
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aBottomRight.X() = m_aSourceDescrLinePos.X();
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}
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//////////////////////////////////////////////////////////////////////
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// Linie verlaeuft in z-Form
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if( Abs(m_aSourceConnPos.X() - m_aDestConnPos.X()) > Abs(m_aSourceDescrLinePos.X() - m_aDestDescrLinePos.X()) )
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{
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aTopLeft.X() -= DESCRIPT_LINE_WIDTH;
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aBottomRight.X() += DESCRIPT_LINE_WIDTH;
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}
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aBoundingRect = Rectangle( aTopLeft-Point(0,17), aBottomRight+Point(0,2) );
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return aBoundingRect;
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}
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// -----------------------------------------------------------------------------
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void calcPointX1(const OTableWindow* _pWin,Point& _rNewConPos,Point& _rNewDescrPos)
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{
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_rNewConPos.X() = _pWin->GetPosPixel().X() + _pWin->GetSizePixel().Width();
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_rNewDescrPos.X() = _rNewConPos.X();
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_rNewConPos.X() += DESCRIPT_LINE_WIDTH;
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}
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// -----------------------------------------------------------------------------
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void calcPointX2(const OTableWindow* _pWin,Point& _rNewConPos,Point& _rNewDescrPos)
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{
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_rNewConPos.X() = _pWin->GetPosPixel().X();
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_rNewDescrPos.X() = _rNewConPos.X();
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_rNewConPos.X() -= DESCRIPT_LINE_WIDTH;
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}
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//------------------------------------------------------------------------
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BOOL OConnectionLine::RecalcLine()
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{
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//////////////////////////////////////////////////////////////////////
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// Fenster und Entries muessen gesetzt sein
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const OTableWindow* pSourceWin = m_pTabConn->GetSourceWin();
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const OTableWindow* pDestWin = m_pTabConn->GetDestWin();
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if( !pSourceWin || !pDestWin )
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return FALSE;
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SvLBoxEntry* pSourceEntry = pSourceWin->GetListBox()->GetEntryFromText( GetData()->GetSourceFieldName() );
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SvLBoxEntry* pDestEntry = pDestWin->GetListBox()->GetEntryFromText( GetData()->GetDestFieldName() );
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//////////////////////////////////////////////////////////////////////
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// X-Koordinaten bestimmen
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Point aSourceCenter( 0, 0 );
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Point aDestCenter( 0, 0 );
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aSourceCenter.X() = pSourceWin->GetPosPixel().X() + (long)( 0.5*pSourceWin->GetSizePixel().Width() );
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aDestCenter.X() = pDestWin->GetPosPixel().X() + (long)( 0.5*pDestWin->GetSizePixel().Width() );
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const OTableWindow* pFirstWin = pDestWin;
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const OTableWindow* pSecondWin = pSourceWin;
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Point* pFirstConPos = &m_aDestConnPos;
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Point* pFirstDescrPos = &m_aDestDescrLinePos;
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Point* pSecondConPos = &m_aSourceConnPos;
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Point* pSecondDescrPos = &m_aSourceDescrLinePos;
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if( aDestCenter.X() > aSourceCenter.X() )
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{
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pFirstWin = pSourceWin;
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pSecondWin = pDestWin;
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pFirstConPos = &m_aSourceConnPos;
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pFirstDescrPos = &m_aSourceDescrLinePos;
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pSecondConPos = &m_aDestConnPos;
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pSecondDescrPos = &m_aDestDescrLinePos;
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}
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calcPointX1(pFirstWin,*pFirstConPos,*pFirstDescrPos);
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calcPointX2(pSecondWin,*pSecondConPos,*pSecondDescrPos);
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//////////////////////////////////////////////////////////////////////
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// aSourceConnPosY bestimmen
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calcPointsYValue(pSourceWin,pSourceEntry,m_aSourceConnPos,m_aSourceDescrLinePos);
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//////////////////////////////////////////////////////////////////////
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// aDestConnPosY bestimmen
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calcPointsYValue(pDestWin,pDestEntry,m_aDestConnPos,m_aDestDescrLinePos);
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return TRUE;
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}
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// -----------------------------------------------------------------------------
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//------------------------------------------------------------------------
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void OConnectionLine::Draw( OutputDevice* pOutDev )
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{
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const UINT16 nRectSize = 3;
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//////////////////////////////////////////////////////////////////////
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// Neue Dimensionen berechnen
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if( !RecalcLine() )
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return;
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//////////////////////////////////////////////////////////////////////
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// Zeichnen der Linien
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if (m_pTabConn->IsSelected())
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pOutDev->SetLineColor(Application::GetSettings().GetStyleSettings().GetHighlightColor());
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else
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pOutDev->SetLineColor(Application::GetSettings().GetStyleSettings().GetWindowTextColor());
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pOutDev->DrawLine( m_aSourceDescrLinePos, m_aSourceConnPos );
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pOutDev->DrawLine( m_aDestDescrLinePos, m_aDestConnPos );
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pOutDev->DrawLine( m_aSourceConnPos, m_aDestConnPos );
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// wenn die Linie selektiert ist, sollte sie dicker erscheinen
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// da OutputDevice nach meinem Wissen (das ich nur aus dem Headerfile habe) kein
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// SetLineWidth (o.<2E>.) hat, ein Fake
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if (m_pTabConn->IsSelected())
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{
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UINT16 xOffset, yOffset;
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if (abs(m_aSourceConnPos.Y() - m_aDestConnPos.Y()) > abs(m_aSourceConnPos.X()-m_aDestConnPos.X()))
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{
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xOffset = 1;
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yOffset = 0;
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} else
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{
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xOffset = 0;
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yOffset = 1;
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}
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Point aPos1(-xOffset, -yOffset);
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Point aPos2(xOffset, yOffset);
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pOutDev->DrawLine(m_aSourceConnPos + aPos1, m_aDestConnPos + aPos1);
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pOutDev->DrawLine(m_aSourceConnPos + aPos2, m_aDestConnPos + aPos2);
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}
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//////////////////////////////////////////////////////////////////////
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// draw the connection rectangles
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pOutDev->SetFillColor(Application::GetSettings().GetStyleSettings().GetWindowColor());
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Point aVector(nRectSize,nRectSize);
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pOutDev->DrawRect( calcRect(m_aSourceDescrLinePos,aVector) );
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pOutDev->DrawRect( calcRect( m_aDestDescrLinePos,aVector) );
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}
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// -----------------------------------------------------------------------------
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BOOL OConnectionLine::IsValid() const
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{
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return m_pData.isValid();
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}
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//------------------------------------------------------------------------
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double dist_Euklid(const Point &p1, const Point& p2,const Point& pM, Point& q)
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{
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Point v(p2 - p1);
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Point w(pM - p1);
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double a = sqrt((double)(v.X()*v.X() + v.Y()*v.Y()));
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double l = (v.X() * w.Y() - v.Y() * w.X()) / a;
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double a2 = w.X()*v.X()+w.Y()*v.Y();
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a = a2 / (a * a);
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q.X() = long(p1.X() + a * v.X());
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q.Y() = long(p1.Y() + a * v.Y());
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return l;
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}
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//------------------------------------------------------------------------
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bool OConnectionLine::CheckHit( const Point& rMousePos ) const
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{
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//////////////////////////////////////////////////////////////////////
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/*
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Vorgehensweise beim HitTest:
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Es wird der Abstand nach Euklid berechnet.
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*/
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Point q;
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double l = fabs(dist_Euklid(m_aSourceConnPos,m_aDestConnPos,rMousePos,q));
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if( l < HIT_SENSITIVE_RADIUS)
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{
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if(::std::min(m_aSourceConnPos.X(),m_aDestConnPos.X()) <= q.X() && ::std::min(m_aSourceConnPos.Y(),m_aDestConnPos.Y()) <= q.Y()
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&& q.X() <= ::std::max(m_aDestConnPos.X(),m_aSourceConnPos.X()) && q.Y() <= ::std::max(m_aDestConnPos.Y(),m_aSourceConnPos.Y()))
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return true;
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}
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return false;
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}
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// -----------------------------------------------------------------------------
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Rectangle OConnectionLine::GetSourceTextPos() const
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{
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return GetTextPos(m_pTabConn->GetSourceWin(),m_aSourceConnPos,m_aSourceDescrLinePos);
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}
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// -----------------------------------------------------------------------------
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Rectangle OConnectionLine::GetDestTextPos() const
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{
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return GetTextPos(m_pTabConn->GetDestWin(),m_aDestConnPos,m_aDestDescrLinePos);
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}
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// -----------------------------------------------------------------------------
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Point OConnectionLine::getMidPoint() const
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{
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Point aDest = m_aDestConnPos - m_aSourceConnPos;
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aDest.X() /= 2;
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aDest.Y() /= 2;
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return m_aSourceConnPos + aDest;
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}
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// -----------------------------------------------------------------------------
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