Files
libreoffice/dbaccess/source/ui/relationdesign/RTableConnectionData.cxx
2002-11-07 13:06:21 +00:00

587 lines
21 KiB
C++

/*************************************************************************
*
* $RCSfile: RTableConnectionData.cxx,v $
*
* $Revision: 1.6 $
*
* last change: $Author: oj $ $Date: 2002-11-07 14:05:04 $
*
* 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_RTABLECONNECTIONDATA_HXX
#include "RTableConnectionData.hxx"
#endif
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif
#ifndef _COM_SUN_STAR_SDBC_KEYRULE_HPP_
#include <com/sun/star/sdbc/KeyRule.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBCX_KEYTYPE_HPP_
#include <com/sun/star/sdbcx/KeyType.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBCX_XKEYSSUPPLIER_HPP_
#include <com/sun/star/sdbcx/XKeysSupplier.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBCX_XCOLUMNSSUPPLIER_HPP_
#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBCX_XDATADESCRIPTORFACTORY_HPP_
#include <com/sun/star/sdbcx/XDataDescriptorFactory.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBCX_XAPPEND_HPP_
#include <com/sun/star/sdbcx/XAppend.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBCX_XDROP_HPP_
#include <com/sun/star/sdbcx/XDrop.hpp>
#endif
#ifndef _COM_SUN_STAR_CONTAINER_XINDEXACCESS_HPP_
#include <com/sun/star/container/XIndexAccess.hpp>
#endif
#ifndef DBACCESS_SHARED_DBUSTRINGS_HRC
#include "dbustrings.hrc"
#endif
#ifndef DBAUI_TOOLS_HXX
#include "UITools.hxx"
#endif
using namespace dbaui;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::lang;
DBG_NAME(ORelationTableConnectionData);
//========================================================================
// class ORelationTableConnectionData
//========================================================================
//------------------------------------------------------------------------
ORelationTableConnectionData::ORelationTableConnectionData()
:OTableConnectionData()
,m_nUpdateRules(KeyRule::NO_ACTION)
,m_nDeleteRules(KeyRule::NO_ACTION)
,m_nCardinality(CARDINAL_UNDEFINED)
{
DBG_CTOR(ORelationTableConnectionData,NULL);
}
//------------------------------------------------------------------------
ORelationTableConnectionData::ORelationTableConnectionData( const Reference< XNameAccess>& _xTables)
:OTableConnectionData()
,m_nUpdateRules(KeyRule::NO_ACTION)
,m_nDeleteRules(KeyRule::NO_ACTION)
,m_nCardinality(CARDINAL_UNDEFINED)
,m_xTables(_xTables)
{
DBG_CTOR(ORelationTableConnectionData,NULL);
Reference<XComponent> xComponent(m_xTables,UNO_QUERY);
if(xComponent.is())
startComponentListening(xComponent);
}
//------------------------------------------------------------------------
ORelationTableConnectionData::ORelationTableConnectionData( const Reference< XNameAccess>& _xTables,
const ::rtl::OUString& rSourceWinName,
const ::rtl::OUString& rDestWinName,
const ::rtl::OUString& rConnName )
:OTableConnectionData( rSourceWinName, rDestWinName, rConnName )
,m_nUpdateRules(KeyRule::NO_ACTION)
,m_nDeleteRules(KeyRule::NO_ACTION)
,m_nCardinality(CARDINAL_UNDEFINED)
,m_xTables(_xTables)
{
DBG_CTOR(ORelationTableConnectionData,NULL);
::osl::MutexGuard aGuard( m_aMutex );
OSL_ENSURE(m_xTables.is(),"ORelationTableConnectionData::ORelationTableConnectionData No Tables!");
addListening(m_xTables);
SetCardinality();
if(m_xTables.is() && m_xTables->hasByName(rSourceWinName))
m_xTables->getByName(rSourceWinName) >>= m_xSource;
if(m_xTables.is() && m_xTables->hasByName(rDestWinName))
m_xTables->getByName(rDestWinName) >>= m_xDest;
addListening(m_xSource);
addListening(m_xDest);
}
//------------------------------------------------------------------------
ORelationTableConnectionData::ORelationTableConnectionData( const ORelationTableConnectionData& rConnData )
:OTableConnectionData( rConnData )
{
DBG_CTOR(ORelationTableConnectionData,NULL);
*this = rConnData;
}
//------------------------------------------------------------------------
ORelationTableConnectionData::~ORelationTableConnectionData()
{
DBG_DTOR(ORelationTableConnectionData,NULL);
removeListening(m_xDest);
removeListening(m_xSource);
removeListening(m_xTables);
}
//------------------------------------------------------------------------
BOOL ORelationTableConnectionData::DropRelation()
{
DBG_CHKTHIS(ORelationTableConnectionData,NULL);
::osl::MutexGuard aGuard( m_aMutex );
////////////////////////////////////////////////////////////
// Relation loeschen
Reference<XKeysSupplier> xSup(m_xSource,UNO_QUERY);
Reference< XIndexAccess> xKeys;
if(xSup.is() )
xKeys = xSup->getKeys();
else
return FALSE;
if( m_aConnName.Len() && xKeys.is() )
{
for(sal_Int32 i=0;i<xKeys->getCount();++i)
{
Reference< XPropertySet> xKey;
xKeys->getByIndex(i) >>= xKey;
OSL_ENSURE(xKey.is(),"Key is not valid!");
if(xKey.is())
{
::rtl::OUString sName;
xKey->getPropertyValue(PROPERTY_NAME) >>= sName;
if(String(sName) == m_aConnName)
{
Reference< XDrop> xDrop(xKeys,UNO_QUERY);
OSL_ENSURE(xDrop.is(),"can't drop key because we haven't a drop interface!");
if(xDrop.is())
xDrop->dropByIndex(i);
break;
}
}
}
}
return TRUE;
}
//------------------------------------------------------------------------
void ORelationTableConnectionData::ChangeOrientation()
{
DBG_CHKTHIS(ORelationTableConnectionData,NULL);
//////////////////////////////////////////////////////////////////////
// Source- und DestFieldName der Linien austauschen
::rtl::OUString sTempString;
OConnectionLineDataVec::iterator aIter = m_vConnLineData.begin();
for(;aIter != m_vConnLineData.end();++aIter)
{
sTempString = (*aIter)->GetSourceFieldName();
(*aIter)->SetSourceFieldName( (*aIter)->GetDestFieldName() );
(*aIter)->SetDestFieldName( sTempString );
}
//////////////////////////////////////////////////////////////////////
// Member anpassen
sTempString = m_aSourceWinName;
m_aSourceWinName = m_aDestWinName;
m_aDestWinName = sTempString;
::osl::MutexGuard aGuard( m_aMutex );
Reference<XPropertySet> xTemp;
xTemp = m_xSource;
m_xSource = m_xDest;
m_xDest = xTemp;
}
//------------------------------------------------------------------------
void ORelationTableConnectionData::SetSourceWinName( const String& rSourceWinName )
{
::osl::MutexGuard aGuard( m_aMutex );
OTableConnectionData::SetSourceWinName(rSourceWinName);
if(m_xTables->hasByName(rSourceWinName))
{
removeListening(m_xDest);
m_xTables->getByName(rSourceWinName) >>= m_xSource;
addListening(m_xDest);
}
}
//------------------------------------------------------------------------
void ORelationTableConnectionData::SetDestWinName( const String& rDestWinName )
{
::osl::MutexGuard aGuard( m_aMutex );
OTableConnectionData::SetDestWinName(rDestWinName);
if(m_xTables->hasByName(rDestWinName))
{
removeListening(m_xDest);
m_xTables->getByName(rDestWinName) >>= m_xDest;
addListening(m_xDest);
}
}
//------------------------------------------------------------------------
void ORelationTableConnectionData::SetCardinality()
{
DBG_CHKTHIS(ORelationTableConnectionData,NULL);
m_nCardinality = CARDINAL_UNDEFINED;
if( IsSourcePrimKey() )
{
if( IsDestPrimKey() )
m_nCardinality = CARDINAL_ONE_ONE;
else
m_nCardinality = CARDINAL_ONE_MANY;
}
if( IsDestPrimKey() )
{
if( !IsSourcePrimKey() )
m_nCardinality = CARDINAL_MANY_ONE;
}
}
// -----------------------------------------------------------------------------
BOOL ORelationTableConnectionData::checkPrimaryKey(const Reference< XPropertySet>& _xTable,EConnectionSide _eEConnectionSide) const
{
// check if Table has the primary key column dependig on _eEConnectionSide
USHORT nPrimKeysCount = 0,
nValidLinesCount = 0;
::std::vector<Reference<XNameAccess> > vKeyColumns = ::dbaui::getKeyColumns(_xTable,KeyType::PRIMARY);
if(vKeyColumns.size())
{
OSL_ENSURE(vKeyColumns.size()==1,"There can be only one primary key in a table!");
Reference<XNameAccess> xKeyColumns = *vKeyColumns.begin();
Sequence< ::rtl::OUString> aKeyColumns = xKeyColumns->getElementNames();
const ::rtl::OUString* pKeyBegin = aKeyColumns.getConstArray();
const ::rtl::OUString* pKeyEnd = pKeyBegin + aKeyColumns.getLength();
for(;pKeyBegin != pKeyEnd;++pKeyBegin)
{
OConnectionLineDataVec::const_iterator aIter = m_vConnLineData.begin();
for(;aIter != m_vConnLineData.end();++aIter)
{
if( (*aIter)->IsValid() )
nValidLinesCount++;
if((*aIter)->GetFieldName(_eEConnectionSide) == *pKeyBegin)
{
nPrimKeysCount++;
break;
}
}
}
if(nPrimKeysCount != aKeyColumns.getLength())
return FALSE;
}
if( !nPrimKeysCount || nPrimKeysCount != nValidLinesCount )
return FALSE;
return TRUE;
}
//------------------------------------------------------------------------
BOOL ORelationTableConnectionData::IsConnectionPossible()
{
DBG_CHKTHIS(ORelationTableConnectionData,NULL);
::osl::MutexGuard aGuard( m_aMutex );
if( !m_xSource.is() || !m_xDest.is() )
return FALSE;
if( !m_aSourceWinName.Len() || !m_aDestWinName.Len() )
return FALSE;
//////////////////////////////////////////////////////////////////////
// Wenn die SourceFelder ein PrimKey sind, ist nur die Orientierung falsch
if( IsSourcePrimKey() )
ChangeOrientation();
return TRUE;
}
//------------------------------------------------------------------------
OConnectionLineDataRef ORelationTableConnectionData::CreateLineDataObj()
{
return new OConnectionLineData();
}
//------------------------------------------------------------------------
OConnectionLineDataRef ORelationTableConnectionData::CreateLineDataObj( const OConnectionLineData& rConnLineData )
{
return new OConnectionLineData( rConnLineData );
}
//------------------------------------------------------------------------
void ORelationTableConnectionData::CopyFrom(const OTableConnectionData& rSource)
{
// wie in der Basisklasse zurueckziehen auf das (nicht-virtuelle) operator=
*this = *static_cast<const ORelationTableConnectionData*>(&rSource);
}
//------------------------------------------------------------------------
ORelationTableConnectionData& ORelationTableConnectionData::operator=( const ORelationTableConnectionData& rConnData )
{
if (&rConnData == this)
return *this;
OTableConnectionData::operator=( rConnData );
m_nUpdateRules = rConnData.GetUpdateRules();
m_nDeleteRules = rConnData.GetDeleteRules();
m_nCardinality = rConnData.GetCardinality();
::osl::MutexGuard aGuard( m_aMutex );
removeListening(m_xDest);
removeListening(m_xSource);
removeListening(m_xTables);
m_xTables = rConnData.getTables();
m_xSource = rConnData.getSource();
m_xDest = rConnData.getDest();
addListening(m_xDest);
addListening(m_xSource);
addListening(m_xTables);
return *this;
}
//------------------------------------------------------------------------
BOOL ORelationTableConnectionData::Update()
{
::osl::MutexGuard aGuard( m_aMutex );
////////////////////////////////////////////////////////////
// Alte Relation loeschen
{
Reference<XKeysSupplier> xSup(m_xSource,UNO_QUERY);
Reference< XIndexAccess> xKeys;
if ( xSup.is() )
xKeys = xSup->getKeys();
else
return FALSE;
if ( m_aConnName.Len() && xKeys.is() )
{
for(sal_Int32 i=0;i<xKeys->getCount();++i)
{
Reference< XPropertySet> xKey;
xKeys->getByIndex(i) >>= xKey;
OSL_ENSURE(xKey.is(),"Key is not valid!");
if ( xKey.is() )
{
::rtl::OUString sName;;
xKey->getPropertyValue(PROPERTY_NAME) >>= sName;
if ( sName == ::rtl::OUString(m_aConnName) )
{
Reference< XDrop> xDrop(xKeys,UNO_QUERY);
OSL_ENSURE(xDrop.is(),"can't drop key because we haven't a drop interface!");
if ( xDrop.is() )
xDrop->dropByIndex(i);
break;
}
}
}
}
if( !IsConnectionPossible() )
return FALSE;
}
// reassign the keys because the orientaion could be changed
Reference<XKeysSupplier> xSup(m_xSource,UNO_QUERY);
Reference< XIndexAccess> xKeys;
if ( xSup.is() )
xKeys = xSup->getKeys();
////////////////////////////////////////////////////////////
// Neue Relation erzeugen
Reference<XDataDescriptorFactory> xKeyFactory(xKeys,UNO_QUERY);
OSL_ENSURE(xKeyFactory.is(),"No XDataDescriptorFactory Interface!");
Reference<XAppend> xAppend(xKeyFactory,UNO_QUERY);
OSL_ENSURE(xAppend.is(),"No XAppend Interface!");
Reference<XPropertySet> xKey = xKeyFactory->createDataDescriptor();
OSL_ENSURE(xKey.is(),"Key is null!");
// build a foreign key name
::rtl::OUString sSourceName;
m_xSource->getPropertyValue(PROPERTY_NAME) >>= sSourceName;
::rtl::OUString sKeyName = sSourceName;
sKeyName += m_aDestWinName;
xKey->setPropertyValue(PROPERTY_NAME,makeAny(sKeyName));
xKey->setPropertyValue(PROPERTY_TYPE,makeAny(KeyType::FOREIGN));
xKey->setPropertyValue(PROPERTY_REFERENCEDTABLE,makeAny(::rtl::OUString(m_aDestWinName)));
xKey->setPropertyValue(PROPERTY_UPDATERULE, makeAny(GetUpdateRules()));
xKey->setPropertyValue(PROPERTY_DELETERULE, makeAny(GetDeleteRules()));
Reference<XColumnsSupplier> xColSup(xKey,UNO_QUERY);
if ( xColSup.is() )
{
Reference<XNameAccess> xColumns = xColSup->getColumns();
Reference<XDataDescriptorFactory> xColumnFactory(xColumns,UNO_QUERY);
Reference<XAppend> xColumnAppend(xColumns,UNO_QUERY);
OConnectionLineDataVec::iterator aIter = m_vConnLineData.begin();
for(;aIter != m_vConnLineData.end();++aIter)
{
if((*aIter)->GetSourceFieldName().getLength() && (*aIter)->GetDestFieldName().getLength())
{
Reference<XPropertySet> xColumn;
xColumn = xColumnFactory->createDataDescriptor();
xColumn->setPropertyValue(PROPERTY_NAME,makeAny((*aIter)->GetSourceFieldName()));
xColumn->setPropertyValue(PROPERTY_RELATEDCOLUMN,makeAny((*aIter)->GetDestFieldName()));
xColumnAppend->appendByDescriptor(xColumn);
}
}
if(xColumns->getElementNames().getLength())
xAppend->appendByDescriptor(xKey);
// to get the key we have to reget it because after append it is no longer valid
}
// get the name of foreign key // search for columns
m_aConnName = ::rtl::OUString();
xKey = NULL;
for(sal_Int32 i=0;i<xKeys->getCount();++i)
{
xKeys->getByIndex(i) >>= xKey;
OSL_ENSURE(xKey.is(),"Key is not valid!");
if(xKey.is())
{
sal_Int32 nType = 0;
xKey->getPropertyValue(PROPERTY_TYPE) >>= nType;
if(nType == KeyType::FOREIGN)
{
::rtl::OUString sName;
xKey->getPropertyValue(PROPERTY_REFERENCEDTABLE) >>= sName;
if ( sName == ::rtl::OUString(m_aDestWinName) )
{
xKey->getPropertyValue(PROPERTY_NAME) >>= sName;
m_aConnName = sName;
break;
}
}
}
xKey = NULL;
}
OSL_ENSURE(xKey.is(),"No key found have insertion!");
xColSup = Reference<XColumnsSupplier>(xKey,UNO_QUERY);
if(xColSup.is())
{
// The fields the relation marks may not be the same as our LineDatas mark after the relation has been updated
OConnectionLineDataVec().swap(m_vConnLineData);
Reference<XNameAccess> xColumns = xColSup->getColumns();
Sequence< ::rtl::OUString> aNames = xColumns->getElementNames();
const ::rtl::OUString* pBegin = aNames.getConstArray();
const ::rtl::OUString* pEnd = pBegin + aNames.getLength();
for(;pBegin != pEnd;++pBegin)
{
Reference<XPropertySet> xColumn;
xColumns->getByName(*pBegin) >>= xColumn;
if (xColumn.is())
{
OConnectionLineDataRef pNewData = CreateLineDataObj();
::rtl::OUString sName,sRelatedColumn;
xColumn->getPropertyValue(PROPERTY_NAME) >>= sName;
xColumn->getPropertyValue(PROPERTY_RELATEDCOLUMN) >>= sRelatedColumn;
pNewData->SetSourceFieldName(sName);
pNewData->SetDestFieldName(sRelatedColumn);
m_vConnLineData.push_back(pNewData);
}
}
}
// NOTE : the caller is resposible for updating any other objects referencing the old LineDatas (for instance a ConnLine)
////////////////////////////////////////////////////////////
// Kardinalitaet bestimmen
SetCardinality();
return TRUE;
}
// -----------------------------------------------------------------------------
void ORelationTableConnectionData::addListening(const Reference<XInterface>& _rxComponent)
{
Reference<XComponent> xComponent(_rxComponent,UNO_QUERY);
if(xComponent.is())
startComponentListening(xComponent);
}
// -----------------------------------------------------------------------------
void ORelationTableConnectionData::removeListening(const Reference<XInterface>& _rxComponent)
{
Reference<XComponent> xComponent(_rxComponent,UNO_QUERY);
if(xComponent.is())
stopComponentListening(xComponent);
}
// -----------------------------------------------------------------------------
void ORelationTableConnectionData::_disposing( const ::com::sun::star::lang::EventObject& _rSource )
{
::osl::MutexGuard aGuard( m_aMutex );
// it doesn't matter which one was disposed
m_xTables = NULL;
m_xSource = NULL;
m_xDest = NULL;
}
// -----------------------------------------------------------------------------