485 lines
17 KiB
C++
485 lines
17 KiB
C++
/*************************************************************************
|
||
*
|
||
* $RCSfile: ConnectionLine.cxx,v $
|
||
*
|
||
* $Revision: 1.2 $
|
||
*
|
||
* last change: $Author: oj $ $Date: 2001-02-28 10:18:26 $
|
||
*
|
||
* The Contents of this file are made available subject to the terms of
|
||
* either of the following licenses
|
||
*
|
||
* - GNU Lesser General Public License Version 2.1
|
||
* - Sun Industry Standards Source License Version 1.1
|
||
*
|
||
* Sun Microsystems Inc., October, 2000
|
||
*
|
||
* GNU Lesser General Public License Version 2.1
|
||
* =============================================
|
||
* Copyright 2000 by Sun Microsystems, Inc.
|
||
* 901 San Antonio Road, Palo Alto, CA 94303, USA
|
||
*
|
||
* This library is free software; you can redistribute it and/or
|
||
* modify it under the terms of the GNU Lesser General Public
|
||
* License version 2.1, as published by the Free Software Foundation.
|
||
*
|
||
* This library is distributed in the hope that it will be useful,
|
||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
* Lesser General Public License for more details.
|
||
*
|
||
* You should have received a copy of the GNU Lesser General Public
|
||
* License along with this library; if not, write to the Free Software
|
||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||
* MA 02111-1307 USA
|
||
*
|
||
*
|
||
* Sun Industry Standards Source License Version 1.1
|
||
* =================================================
|
||
* The contents of this file are subject to the Sun Industry Standards
|
||
* Source License Version 1.1 (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.openoffice.org/license.html.
|
||
*
|
||
* Software provided under this License is provided on an AS IS basis,
|
||
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
|
||
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
|
||
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
|
||
* See the License for the specific provisions governing your rights and
|
||
* obligations concerning the Software.
|
||
*
|
||
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
|
||
*
|
||
* Copyright: 2000 by Sun Microsystems, Inc.
|
||
*
|
||
* All Rights Reserved.
|
||
*
|
||
* Contributor(s): _______________________________________
|
||
*
|
||
*
|
||
************************************************************************/
|
||
#ifndef DBAUI_CONNECTIONLINE_HXX
|
||
#include "ConnectionLine.hxx"
|
||
#endif
|
||
#ifndef DBAUI_CONNECTIONLINEDATA_HXX
|
||
#include "ConnectionLineData.hxx"
|
||
#endif
|
||
#ifndef DBAUI_TABLEWINDOW_HXX
|
||
#include "TableWindow.hxx"
|
||
#endif
|
||
#ifndef DBAUI_TABLEWINDOWLISTBOX_HXX
|
||
#include "TableWindowListBox.hxx"
|
||
#endif
|
||
#ifndef DBAUI_TABLECONNECTION_HXX
|
||
#include "TableConnection.hxx"
|
||
#endif
|
||
#ifndef _SV_SVAPP_HXX
|
||
#include <vcl/svapp.hxx>
|
||
#endif
|
||
#ifndef _INC_MATH
|
||
#include <math.h>
|
||
#endif
|
||
#ifndef _TOOLS_DEBUG_HXX
|
||
#include <tools/debug.hxx>
|
||
#endif
|
||
|
||
|
||
using namespace dbaui;
|
||
const long DESCRIPT_LINE_WIDTH = 15;
|
||
const long HIT_SENSITIVE_RADIUS = 5;
|
||
//========================================================================
|
||
// class OConnectionLine
|
||
//========================================================================
|
||
DBG_NAME(OConnectionLine);
|
||
//------------------------------------------------------------------------
|
||
OConnectionLine::OConnectionLine( OTableConnection* _pConn, OConnectionLineData* _pLineData )
|
||
: m_pTabConn( _pConn )
|
||
,m_pData( _pLineData )
|
||
,m_pSourceEntry( NULL )
|
||
,m_pDestEntry( NULL )
|
||
{
|
||
DBG_CTOR(OConnectionLine,NULL);
|
||
}
|
||
|
||
//------------------------------------------------------------------------
|
||
OConnectionLine::OConnectionLine( OTableConnection* _pConn, const String& _rSourceFieldName,
|
||
const String& _rDestFieldName )
|
||
: m_pTabConn( _pConn )
|
||
,m_pSourceEntry( NULL )
|
||
,m_pDestEntry( NULL )
|
||
{
|
||
DBG_CTOR(OConnectionLine,NULL);
|
||
m_pData->SetSourceFieldName( _rSourceFieldName );
|
||
m_pData->SetDestFieldName( _rDestFieldName );
|
||
}
|
||
|
||
//------------------------------------------------------------------------
|
||
OConnectionLine::OConnectionLine( const OConnectionLine& _rLine )
|
||
{
|
||
DBG_CTOR(OConnectionLine,NULL);
|
||
m_pData = new OConnectionLineData( *_rLine.GetData() );
|
||
*this = _rLine;
|
||
}
|
||
|
||
//------------------------------------------------------------------------
|
||
OConnectionLine::~OConnectionLine()
|
||
{
|
||
DBG_DTOR(OConnectionLine,NULL);
|
||
}
|
||
|
||
//------------------------------------------------------------------------
|
||
void OConnectionLine::SetSourceFieldName( const String& rSourceFieldName )
|
||
{
|
||
m_pData->SetSourceFieldName( rSourceFieldName );
|
||
// m_pSourceEntry = m_pTabConn->GetSourceWin()->GetListBox()->GetEntryFromText( rSourceFieldName );
|
||
}
|
||
|
||
//------------------------------------------------------------------------
|
||
void OConnectionLine::SetDestFieldName( const String& rDestFieldName )
|
||
{
|
||
m_pData->SetDestFieldName( rDestFieldName );
|
||
// m_pDestEntry = m_pTabConn->GetDestWin()->GetListBox()->GetEntryFromText( rDestFieldName );
|
||
}
|
||
|
||
//------------------------------------------------------------------------
|
||
OConnectionLine& OConnectionLine::operator=( const OConnectionLine& rLine )
|
||
{
|
||
if( &rLine == this )
|
||
return *this;
|
||
|
||
// da mir die Daten nicht gehoeren, loesche ich die alten nicht
|
||
m_pData->CopyFrom(*rLine.GetData());
|
||
// CopyFrom ist virtuell, damit ist es kein Problem, wenn m_pData von einem von OTableConnectionData abgeleiteten Typ ist
|
||
|
||
m_pTabConn = rLine.m_pTabConn;
|
||
m_pSourceEntry = rLine.m_pSourceEntry;
|
||
m_pDestEntry = rLine.m_pDestEntry;
|
||
m_aSourceConnPos = rLine.m_aSourceConnPos;
|
||
m_aDestConnPos = rLine.m_aDestConnPos;
|
||
m_aSourceDescrLinePos = rLine.m_aSourceDescrLinePos;
|
||
m_aDestDescrLinePos = rLine.m_aDestDescrLinePos;
|
||
|
||
return *this;
|
||
}
|
||
|
||
//------------------------------------------------------------------------
|
||
BOOL OConnectionLine::Connect( const String& rSourceFieldName, const String& rDestFieldName )
|
||
{
|
||
//////////////////////////////////////////////////////////////////////
|
||
// Parameter duerfen nicht leer sein
|
||
if( !rSourceFieldName.Len() || !rDestFieldName.Len() )
|
||
return FALSE;
|
||
|
||
//////////////////////////////////////////////////////////////////////
|
||
// Feldnamen setzen
|
||
m_pData->SetSourceFieldName( rSourceFieldName );
|
||
m_pData->SetDestFieldName( rDestFieldName );
|
||
|
||
//////////////////////////////////////////////////////////////////////
|
||
// Entries setzen
|
||
/* m_pSourceEntry = m_pTabConn->GetSourceWin()->GetListBox()->GetEntryFromText( rSourceFieldName );
|
||
if( !m_pSourceEntry )
|
||
return FALSE;
|
||
m_pDestEntry = m_pTabConn->GetDestWin()->GetListBox()->GetEntryFromText( rDestFieldName );
|
||
if( !m_pDestEntry )
|
||
return FALSE;
|
||
*/
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
|
||
//------------------------------------------------------------------------
|
||
Rectangle OConnectionLine::GetBoundingRect()
|
||
{
|
||
//////////////////////////////////////////////////////////////////////
|
||
// Umgebendes Rechteck bestimmen
|
||
Rectangle aBoundingRect( Point(0,0), Point(0,0) );
|
||
if( !IsValid() )
|
||
return aBoundingRect;
|
||
|
||
Point aTopLeft;
|
||
Point aBottomRight;
|
||
|
||
if( m_aSourceDescrLinePos.Y() <= m_aDestDescrLinePos.Y() )
|
||
{
|
||
aTopLeft.Y() = m_aSourceDescrLinePos.Y();
|
||
aBottomRight.Y() = m_aDestDescrLinePos.Y();
|
||
}
|
||
else
|
||
{
|
||
aTopLeft.Y() = m_aDestDescrLinePos.Y();
|
||
aBottomRight.Y() = m_aSourceDescrLinePos.Y();
|
||
}
|
||
|
||
if( m_aSourceDescrLinePos.X() <= m_aDestDescrLinePos.X() )
|
||
{
|
||
aTopLeft.X() = m_aSourceDescrLinePos.X();
|
||
aBottomRight.X() = m_aDestDescrLinePos.X();
|
||
}
|
||
else
|
||
{
|
||
aTopLeft.X() = m_aDestDescrLinePos.X();
|
||
aBottomRight.X() = m_aSourceDescrLinePos.X();
|
||
}
|
||
|
||
//////////////////////////////////////////////////////////////////////
|
||
// Linie verlaeuft in z-Form
|
||
if( Abs(m_aSourceConnPos.X() - m_aDestConnPos.X()) > Abs(m_aSourceDescrLinePos.X() - m_aDestDescrLinePos.X()) )
|
||
{
|
||
aTopLeft.X() -= DESCRIPT_LINE_WIDTH;
|
||
aBottomRight.X() += DESCRIPT_LINE_WIDTH;
|
||
}
|
||
|
||
aBoundingRect = Rectangle( aTopLeft-Point(0,17), aBottomRight+Point(0,2) );
|
||
|
||
return aBoundingRect;
|
||
}
|
||
|
||
//------------------------------------------------------------------------
|
||
BOOL OConnectionLine::RecalcLine()
|
||
{
|
||
//////////////////////////////////////////////////////////////////////
|
||
// Fenster und Entries muessen gesetzt sein
|
||
const OTableWindow* pSourceWin = m_pTabConn->GetSourceWin();
|
||
const OTableWindow* pDestWin = m_pTabConn->GetDestWin();
|
||
|
||
if( !pSourceWin || !pDestWin )
|
||
return FALSE;
|
||
|
||
m_pSourceEntry = pSourceWin->GetListBox()->GetEntryFromText( GetData()->GetSourceFieldName() );
|
||
m_pDestEntry = pDestWin->GetListBox()->GetEntryFromText( GetData()->GetDestFieldName() );
|
||
|
||
if( !m_pSourceEntry || !m_pDestEntry )
|
||
return FALSE;
|
||
|
||
//////////////////////////////////////////////////////////////////////
|
||
// X-Koordinaten bestimmen
|
||
Point aSourceCenter( 0, 0 );
|
||
Point aDestCenter( 0, 0 );
|
||
|
||
aSourceCenter.X() = pSourceWin->GetPosPixel().X() + (long)( 0.5*pSourceWin->GetSizePixel().Width() );
|
||
aDestCenter.X() = pDestWin->GetPosPixel().X() + (long)( 0.5*pDestWin->GetSizePixel().Width() );
|
||
if( aDestCenter.X()>aSourceCenter.X() )
|
||
{
|
||
//////////////////////////////////////////////////////////////////////
|
||
// DestWin liegt rechts vom SourceWin
|
||
m_aSourceConnPos.X() = pSourceWin->GetPosPixel().X()+pSourceWin->GetSizePixel().Width();
|
||
m_aSourceDescrLinePos.X() = m_aSourceConnPos.X();
|
||
m_aSourceConnPos.X() += DESCRIPT_LINE_WIDTH;
|
||
|
||
m_aDestConnPos.X() = pDestWin->GetPosPixel().X();
|
||
m_aDestDescrLinePos.X() = m_aDestConnPos.X();
|
||
m_aDestConnPos.X() -= DESCRIPT_LINE_WIDTH;
|
||
}
|
||
else
|
||
{
|
||
//////////////////////////////////////////////////////////////////////
|
||
// DestWin liegt links vom SourceWin
|
||
m_aSourceConnPos.X() = pSourceWin->GetPosPixel().X();
|
||
m_aSourceDescrLinePos.X() = m_aSourceConnPos.X();
|
||
m_aSourceConnPos.X() -= DESCRIPT_LINE_WIDTH;
|
||
|
||
m_aDestConnPos.X() = pDestWin->GetPosPixel().X()+pDestWin->GetSizePixel().Width();
|
||
m_aDestDescrLinePos.X() = m_aDestConnPos.X();
|
||
m_aDestConnPos.X() += DESCRIPT_LINE_WIDTH;
|
||
}
|
||
|
||
//////////////////////////////////////////////////////////////////////
|
||
// aSourceConnPosY bestimmen
|
||
OTableWindowListBox* pListBox = pSourceWin->GetListBox();
|
||
long nRowHeight = pListBox->GetEntryHeight();
|
||
|
||
m_aSourceConnPos.Y() = pSourceWin->GetPosPixel().Y();
|
||
m_aSourceConnPos.Y() += pListBox->GetPosPixel().Y();
|
||
long nEntryPos = pListBox->GetEntryPos( m_pSourceEntry ).Y();
|
||
|
||
if( nEntryPos >= 0 )
|
||
{
|
||
m_aSourceConnPos.Y() += nEntryPos;
|
||
m_aSourceConnPos.Y() += (long)( 0.5 * nRowHeight );
|
||
}
|
||
else
|
||
m_aSourceConnPos.Y() -= (long)( 0.5 * nRowHeight );
|
||
|
||
long nListBoxBottom = pSourceWin->GetPosPixel().Y()
|
||
+pListBox->GetPosPixel().Y()
|
||
+pListBox->GetSizePixel().Height();
|
||
if( m_aSourceConnPos.Y() > nListBoxBottom )
|
||
m_aSourceConnPos.Y() = nListBoxBottom + 2;
|
||
|
||
m_aSourceDescrLinePos.Y() = m_aSourceConnPos.Y();
|
||
|
||
//////////////////////////////////////////////////////////////////////
|
||
// aDestConnPosY bestimmen
|
||
pListBox = pDestWin->GetListBox();
|
||
|
||
m_aDestConnPos.Y() = pDestWin->GetPosPixel().Y();
|
||
m_aDestConnPos.Y() += pListBox->GetPosPixel().Y();
|
||
nEntryPos = pListBox->GetEntryPos( m_pDestEntry ).Y();
|
||
if( nEntryPos >= 0 )
|
||
{
|
||
m_aDestConnPos.Y() += nEntryPos;
|
||
m_aDestConnPos.Y() += (long)( 0.5 * nRowHeight );
|
||
}
|
||
else
|
||
m_aDestConnPos.Y() -= (long)( 0.5 * nRowHeight );
|
||
|
||
nListBoxBottom = pDestWin->GetPosPixel().Y()
|
||
+pListBox->GetPosPixel().Y()
|
||
+pListBox->GetSizePixel().Height();
|
||
if( m_aDestConnPos.Y() > nListBoxBottom )
|
||
m_aDestConnPos.Y() = nListBoxBottom + 2;
|
||
|
||
m_aDestDescrLinePos.Y() = m_aDestConnPos.Y();
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
//------------------------------------------------------------------------
|
||
Rectangle OConnectionLine::GetSourceTextPos() const
|
||
{
|
||
const OTableWindow* pDestWin = m_pTabConn->GetDestWin();
|
||
OTableWindowListBox* pListBox = pDestWin ? pDestWin->GetListBox() : NULL;
|
||
DBG_ASSERT(pDestWin && pListBox, "OConnectionLine::GetSourceTextPos : invalid call !");
|
||
|
||
long nRowHeight = pListBox->GetEntryHeight();
|
||
|
||
Rectangle aReturn;
|
||
aReturn.Top() = m_aSourceConnPos.Y() - nRowHeight;
|
||
aReturn.Bottom() = aReturn.Top() + nRowHeight;
|
||
if (m_aSourceDescrLinePos.X() < m_aSourceConnPos.X())
|
||
{
|
||
aReturn.Left() = m_aSourceDescrLinePos.X();
|
||
aReturn.Right() = aReturn.Left() + m_aSourceConnPos.X() - m_aSourceDescrLinePos.X();
|
||
}
|
||
else
|
||
{
|
||
aReturn.Left() = m_aSourceConnPos.X();
|
||
aReturn.Right() = aReturn.Left() + m_aSourceDescrLinePos.X() - m_aSourceConnPos.X();
|
||
}
|
||
|
||
return aReturn;
|
||
}
|
||
|
||
//------------------------------------------------------------------------
|
||
Rectangle OConnectionLine::GetDestTextPos() const
|
||
{
|
||
const OTableWindow* pSourceWin = m_pTabConn->GetSourceWin();
|
||
OTableWindowListBox* pListBox = pSourceWin ? pSourceWin->GetListBox() : NULL;
|
||
DBG_ASSERT(pSourceWin && pListBox, "OConnectionLine::GetSourceTextPos : invalid call !");
|
||
|
||
long nRowHeight = pListBox->GetEntryHeight();
|
||
|
||
Rectangle aReturn;
|
||
aReturn.Top() = m_aDestConnPos.Y() - nRowHeight;
|
||
aReturn.Bottom() = aReturn.Top() + nRowHeight;
|
||
if (m_aDestDescrLinePos.X() < m_aDestConnPos.X())
|
||
{
|
||
aReturn.Left() = m_aDestDescrLinePos.X();
|
||
aReturn.Right() = aReturn.Left() + m_aDestConnPos.X() - m_aDestDescrLinePos.X();
|
||
}
|
||
else
|
||
{
|
||
aReturn.Left() = m_aDestConnPos.X();
|
||
aReturn.Right() = aReturn.Left() + m_aDestDescrLinePos.X() - m_aDestConnPos.X();
|
||
}
|
||
|
||
return aReturn;
|
||
}
|
||
|
||
//------------------------------------------------------------------------
|
||
void OConnectionLine::Draw( OutputDevice* pOutDev )
|
||
{
|
||
const UINT16 nRectSize = 3;
|
||
|
||
//////////////////////////////////////////////////////////////////////
|
||
// Neue Dimensionen berechnen
|
||
if( !RecalcLine() )
|
||
return;
|
||
|
||
//////////////////////////////////////////////////////////////////////
|
||
// Zeichnen der Linien
|
||
if (m_pTabConn->IsSelected())
|
||
pOutDev->SetLineColor(Application::GetSettings().GetStyleSettings().GetHighlightColor());
|
||
else
|
||
pOutDev->SetLineColor(Application::GetSettings().GetStyleSettings().GetWindowTextColor());
|
||
|
||
pOutDev->DrawLine( m_aSourceDescrLinePos, m_aSourceConnPos );
|
||
pOutDev->DrawLine( m_aDestDescrLinePos, m_aDestConnPos );
|
||
pOutDev->DrawLine( m_aSourceConnPos, m_aDestConnPos );
|
||
// wenn die Linie selektiert ist, sollte sie dicker erscheinen
|
||
// da OutputDevice nach meinem Wissen (das ich nur aus dem Headerfile habe) kein
|
||
// SetLineWidth (o.<2E>.) hat, ein Fake
|
||
if (m_pTabConn->IsSelected())
|
||
{
|
||
UINT16 xOffset, yOffset;
|
||
if (abs(m_aSourceConnPos.Y() - m_aDestConnPos.Y()) > abs(m_aSourceConnPos.X()-m_aDestConnPos.X()))
|
||
{
|
||
xOffset = 1;
|
||
yOffset = 0;
|
||
} else
|
||
{
|
||
xOffset = 0;
|
||
yOffset = 1;
|
||
}
|
||
pOutDev->DrawLine(m_aSourceConnPos + Point(-xOffset, -yOffset), m_aDestConnPos + Point(-xOffset, -yOffset));
|
||
pOutDev->DrawLine(m_aSourceConnPos + Point(xOffset, yOffset), m_aDestConnPos + Point(xOffset, yOffset));
|
||
}
|
||
|
||
|
||
//////////////////////////////////////////////////////////////////////
|
||
// Zeichnen der Verbindungs-Rechtecke
|
||
// pOutDev->SetLineColor(Application::GetSettings().GetStyleSettings().GetWindowTextColor());
|
||
Rectangle aSourceRect( m_aSourceDescrLinePos-Point(nRectSize,nRectSize),
|
||
m_aSourceDescrLinePos+Point(nRectSize,nRectSize) );
|
||
|
||
Rectangle aDestRect( m_aDestDescrLinePos-Point(nRectSize,nRectSize),
|
||
m_aDestDescrLinePos+Point(nRectSize,nRectSize) );
|
||
pOutDev->SetFillColor(Application::GetSettings().GetStyleSettings().GetWindowColor());
|
||
pOutDev->DrawRect( aSourceRect );
|
||
pOutDev->DrawRect( aDestRect );
|
||
}
|
||
|
||
//------------------------------------------------------------------------
|
||
BOOL OConnectionLine::IsValid()
|
||
{
|
||
return m_pData->IsValid();
|
||
}
|
||
//------------------------------------------------------------------------
|
||
double dist_Euklid(const Point &p1, const Point& p2,const Point& pM, Point& q)
|
||
{
|
||
int vx = p2.X() - p1.X();
|
||
int vy = p2.Y() - p1.Y();
|
||
Point v(p2 - p1);
|
||
Point w(pM - p1);
|
||
double a = sqrt((double)(v.X()*v.X() + v.Y()*v.Y()));
|
||
double l = (v.X() * w.Y() - v.Y() * w.X()) / a;
|
||
double a2 = w.X()*v.X()+w.Y()*v.Y();
|
||
a = a2 / (a * a);
|
||
q.X() = long(p1.X() + a * v.X());
|
||
q.Y() = long(p1.Y() + a * v.Y());
|
||
return l;
|
||
}
|
||
//------------------------------------------------------------------------
|
||
BOOL OConnectionLine::CheckHit( const Point& rMousePos )
|
||
{
|
||
//////////////////////////////////////////////////////////////////////
|
||
/*
|
||
Vorgehensweise beim HitTest:
|
||
Es wird der Abstand nach Euklid berechnet.
|
||
*/
|
||
Point q;
|
||
double l = fabs(dist_Euklid(m_aSourceConnPos,m_aDestConnPos,rMousePos,q));
|
||
if( l < HIT_SENSITIVE_RADIUS)
|
||
{
|
||
if(::std::min(m_aSourceConnPos.X(),m_aDestConnPos.X()) <= q.X() && ::std::min(m_aSourceConnPos.Y(),m_aDestConnPos.Y()) <= q.Y()
|
||
&& q.X() <= ::std::max(m_aDestConnPos.X(),m_aSourceConnPos.X()) && q.Y() <= ::std::max(m_aDestConnPos.Y(),m_aSourceConnPos.Y()))
|
||
return TRUE;
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
|