AOO410/main/dbaccess/source/ui/relationdesign/RTableConnection.cxx

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 * 
 * 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
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 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_dbaccess.hxx"
#ifndef DBAUI_RTABLECONNECTION_HXX
#include "RTableConnection.hxx"
#endif
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif
#ifndef DBAUI_RELATION_TABLEVIEW_HXX
#include "RelationTableView.hxx"
#endif
#ifndef _SV_SVAPP_HXX 
#include <vcl/svapp.hxx>
#endif
#ifndef DBAUI_CONNECTIONLINE_HXX
#include "ConnectionLine.hxx"
#endif

using namespace dbaui;
//========================================================================
// class ORelationTableConnection
//========================================================================
DBG_NAME(ORelationTableConnection)
//------------------------------------------------------------------------
ORelationTableConnection::ORelationTableConnection( ORelationTableView* pContainer, 
												   const TTableConnectionData::value_type& pTabConnData )
	:OTableConnection( pContainer, pTabConnData )
{
	DBG_CTOR(ORelationTableConnection,NULL);
}

//------------------------------------------------------------------------
ORelationTableConnection::ORelationTableConnection( const ORelationTableConnection& rConn )
	: OTableConnection( rConn )
{
	DBG_CTOR(ORelationTableConnection,NULL);
	// keine eigenen Members, also reicht die Basisklassenfunktionalitaet
}

//------------------------------------------------------------------------
ORelationTableConnection::~ORelationTableConnection()
{
	DBG_DTOR(ORelationTableConnection,NULL);
}

//------------------------------------------------------------------------
ORelationTableConnection& ORelationTableConnection::operator=( const ORelationTableConnection& rConn )
{
	DBG_CHKTHIS(ORelationTableConnection,NULL);
	// nicht dass es was aendern wuerde, da die Basisklasse das auch testet und ich keine eigenen Members zu kopieren habe
	if (&rConn == this)
		return *this;

	OTableConnection::operator=( rConn );
	return *this;
}


//------------------------------------------------------------------------
void ORelationTableConnection::Draw( const Rectangle& rRect )
{
	DBG_CHKTHIS(ORelationTableConnection,NULL);
	OTableConnection::Draw( rRect );
	ORelationTableConnectionData* pData = static_cast< ORelationTableConnectionData* >(GetData().get());
	if ( pData && (pData->GetCardinality() == CARDINAL_UNDEFINED) )
		return;

	//////////////////////////////////////////////////////////////////////
	// Linien nach oberster Linie durchsuchen
	Rectangle aBoundingRect;
	long nTop = GetBoundingRect().Bottom();
	long nTemp;

	const OConnectionLine* pTopLine = NULL;
	const ::std::vector<OConnectionLine*>* pConnLineList = GetConnLineList();
	::std::vector<OConnectionLine*>::const_iterator aIter = pConnLineList->begin();	
    ::std::vector<OConnectionLine*>::const_iterator aEnd = pConnLineList->end();	
	for(;aIter != aEnd;++aIter)
	{
		if( (*aIter)->IsValid() )
		{
			aBoundingRect = (*aIter)->GetBoundingRect();
			nTemp = aBoundingRect.Top();
			if( nTemp<nTop )
			{
				nTop = nTemp;
				pTopLine = (*aIter);
			}
		}
	}

	//////////////////////////////////////////////////////////////////////
	// Kardinalitaet antragen
	if( !pTopLine )
		return;

	Rectangle aSourcePos = pTopLine->GetSourceTextPos();
	Rectangle aDestPos = pTopLine->GetDestTextPos();

	String aSourceText;
	String aDestText;

	switch( pData->GetCardinality() )
	{
	case CARDINAL_ONE_MANY:
		aSourceText  ='1';
		aDestText  ='n';
		break;

	case CARDINAL_MANY_ONE:
		aSourceText  ='n';
		aDestText  ='1';
		break;

	case CARDINAL_ONE_ONE:
		aSourceText  ='1';
		aDestText  ='1';
		break;
	}

	if (IsSelected())
		GetParent()->SetTextColor(Application::GetSettings().GetStyleSettings().GetHighlightColor());
	else
		GetParent()->SetTextColor(Application::GetSettings().GetStyleSettings().GetWindowTextColor());


	GetParent()->DrawText( aSourcePos, aSourceText, TEXT_DRAW_CLIP | TEXT_DRAW_CENTER | TEXT_DRAW_BOTTOM);
	GetParent()->DrawText( aDestPos, aDestText, TEXT_DRAW_CLIP | TEXT_DRAW_CENTER | TEXT_DRAW_BOTTOM);
}
// -----------------------------------------------------------------------------