office-gobmx/dbaccess/source/ui/relationdesign/RelationController.cxx
Olivier Hallot 545921f914 Fix for fdo43460 Part XII getLength() to isEmpty()
Part XII
Module
dbaccess
2011-12-21 09:52:48 +01:00

610 lines
24 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "dbu_reghelper.hxx"
#include <sfx2/sfxsids.hrc>
#include "dbu_rel.hrc"
#include <vcl/svapp.hxx>
#include "browserids.hxx"
#include <comphelper/types.hxx>
#include "dbustrings.hrc"
#include <connectivity/dbtools.hxx>
#include <com/sun/star/frame/FrameSearchFlag.hpp>
#include <comphelper/extract.hxx>
#include <com/sun/star/container/XChild.hpp>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/sdbcx/XDataDescriptorFactory.hpp>
#include <com/sun/star/sdbcx/XTablesSupplier.hpp>
#include <com/sun/star/sdbcx/KeyType.hpp>
#include <com/sun/star/sdbcx/XDrop.hpp>
#include <com/sun/star/sdbcx/XAlterTable.hpp>
#include <com/sun/star/sdbcx/XAppend.hpp>
#include <com/sun/star/sdbcx/XKeysSupplier.hpp>
#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
#include <com/sun/star/sdb/SQLContext.hpp>
#include <com/sun/star/sdbc/SQLWarning.hpp>
#include <com/sun/star/sdbc/ColumnValue.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <connectivity/dbexception.hxx>
#include <connectivity/dbmetadata.hxx>
#include <com/sun/star/ui/dialogs/XExecutableDialog.hpp>
#include <comphelper/streamsection.hxx>
#include <comphelper/basicio.hxx>
#include <comphelper/seqstream.hxx>
#include <com/sun/star/io/XActiveDataSource.hpp>
#include <com/sun/star/io/XActiveDataSink.hpp>
#include "sqlmessage.hxx"
#include "RelationController.hxx"
#include <vcl/msgbox.hxx>
#include "TableWindowData.hxx"
#include "dbustrings.hrc"
#include "UITools.hxx"
#include "RTableConnectionData.hxx"
#include "RelationTableView.hxx"
#include "RelationDesignView.hxx"
#include <tools/debug.hxx>
#include <tools/diagnose_ex.h>
#include <vcl/waitobj.hxx>
#include <osl/thread.hxx>
#include <osl/mutex.hxx>
#define MAX_THREADS 10
extern "C" void SAL_CALL createRegistryInfo_ORelationControl()
{
static ::dbaui::OMultiInstanceAutoRegistration< ::dbaui::ORelationController > aAutoRegistration;
}
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::frame;
using namespace ::com::sun::star::util;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::sdb;
using namespace ::com::sun::star::ui::dialogs;
using namespace ::com::sun::star::util;
using namespace ::dbtools;
using namespace ::dbaui;
using namespace ::comphelper;
using namespace ::osl;
//------------------------------------------------------------------------------
::rtl::OUString SAL_CALL ORelationController::getImplementationName() throw( RuntimeException )
{
return getImplementationName_Static();
}
//------------------------------------------------------------------------------
::rtl::OUString ORelationController::getImplementationName_Static() throw( RuntimeException )
{
return ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("org.openoffice.comp.dbu.ORelationDesign"));
}
//------------------------------------------------------------------------------
Sequence< ::rtl::OUString> ORelationController::getSupportedServiceNames_Static(void) throw( RuntimeException )
{
Sequence< ::rtl::OUString> aSupported(1);
aSupported.getArray()[0] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.sdb.RelationDesign"));
return aSupported;
}
//-------------------------------------------------------------------------
Sequence< ::rtl::OUString> SAL_CALL ORelationController::getSupportedServiceNames() throw(RuntimeException)
{
return getSupportedServiceNames_Static();
}
// -------------------------------------------------------------------------
Reference< XInterface > SAL_CALL ORelationController::Create(const Reference<XMultiServiceFactory >& _rxFactory)
{
return *(new ORelationController(_rxFactory));
}
DBG_NAME(ORelationController);
// -----------------------------------------------------------------------------
ORelationController::ORelationController(const Reference< XMultiServiceFactory >& _rM)
: OJoinController(_rM)
,m_nThreadEvent(0)
,m_bRelationsPossible(sal_True)
{
DBG_CTOR(ORelationController,NULL);
InvalidateAll();
}
// -----------------------------------------------------------------------------
ORelationController::~ORelationController()
{
DBG_DTOR(ORelationController,NULL);
}
// -----------------------------------------------------------------------------
FeatureState ORelationController::GetState(sal_uInt16 _nId) const
{
FeatureState aReturn;
aReturn.bEnabled = m_bRelationsPossible;
switch (_nId)
{
case SID_RELATION_ADD_RELATION:
aReturn.bEnabled = !m_vTableData.empty() && isConnected() && isEditable();
aReturn.bChecked = false;
break;
case ID_BROWSER_SAVEDOC:
aReturn.bEnabled = haveDataSource() && impl_isModified();
break;
default:
aReturn = OJoinController::GetState(_nId);
break;
}
return aReturn;
}
// -----------------------------------------------------------------------------
void ORelationController::Execute(sal_uInt16 _nId, const Sequence< PropertyValue >& aArgs)
{
switch(_nId)
{
case ID_BROWSER_SAVEDOC:
{
OSL_ENSURE(isEditable(),"Slot ID_BROWSER_SAVEDOC should not be enabled!");
if(!::dbaui::checkDataSourceAvailable(::comphelper::getString(getDataSource()->getPropertyValue(PROPERTY_NAME)),getORB()))
{
String aMessage(ModuleRes(STR_DATASOURCE_DELETED));
OSQLWarningBox( getView(), aMessage ).Execute();
}
else
{
// now we save the layout information
// create the output stream
try
{
if ( haveDataSource() && getDataSource()->getPropertySetInfo()->hasPropertyByName(PROPERTY_LAYOUTINFORMATION) )
{
::comphelper::NamedValueCollection aWindowsData;
saveTableWindows( aWindowsData );
getDataSource()->setPropertyValue( PROPERTY_LAYOUTINFORMATION, makeAny( aWindowsData.getPropertyValues() ) );
setModified(sal_False);
}
}
catch ( const Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
}
}
break;
case SID_RELATION_ADD_RELATION:
static_cast<ORelationTableView*>(static_cast<ORelationDesignView*>( getView() )->getTableView())->AddNewRelation();
break;
default:
OJoinController::Execute(_nId,aArgs);
return;
}
InvalidateFeature(_nId);
}
// -----------------------------------------------------------------------------
void ORelationController::impl_initialize()
{
OJoinController::impl_initialize();
if( !getSdbMetaData().supportsRelations() )
{// check if this database supports relations
setEditable(sal_False);
m_bRelationsPossible = sal_False;
{
String sTitle(ModuleRes(STR_RELATIONDESIGN));
sTitle.Erase(0,3);
OSQLMessageBox aDlg(NULL,sTitle,ModuleRes(STR_RELATIONDESIGN_NOT_AVAILABLE));
aDlg.Execute();
}
disconnect();
throw SQLException();
}
if(!m_bRelationsPossible)
InvalidateAll();
// we need a datasource
OSL_ENSURE(haveDataSource(),"ORelationController::initialize: need a datasource!");
Reference<XTablesSupplier> xSup(getConnection(),UNO_QUERY);
OSL_ENSURE(xSup.is(),"Connection isn't a XTablesSupplier!");
if(xSup.is())
m_xTables = xSup->getTables();
// load the layoutInformation
loadLayoutInformation();
try
{
loadData();
if ( !m_nThreadEvent )
Application::PostUserEvent(LINK(this, ORelationController, OnThreadFinished));
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
}
// -----------------------------------------------------------------------------
::rtl::OUString ORelationController::getPrivateTitle( ) const
{
::rtl::OUString sName = getDataSourceName();
return ::dbaui::getStrippedDatabaseName(getDataSource(),sName);
}
// -----------------------------------------------------------------------------
sal_Bool ORelationController::Construct(Window* pParent)
{
setView( * new ORelationDesignView( pParent, *this, getORB() ) );
OJoinController::Construct(pParent);
return sal_True;
}
// -----------------------------------------------------------------------------
short ORelationController::saveModified()
{
short nSaved = RET_YES;
if(haveDataSource() && isModified())
{
QueryBox aQry(getView(), ModuleRes(RELATION_DESIGN_SAVEMODIFIED));
nSaved = aQry.Execute();
if(nSaved == RET_YES)
Execute(ID_BROWSER_SAVEDOC,Sequence<PropertyValue>());
}
return nSaved;
}
// -----------------------------------------------------------------------------
void ORelationController::describeSupportedFeatures()
{
OJoinController::describeSupportedFeatures();
implDescribeSupportedFeature( ".uno:DBAddRelation", SID_RELATION_ADD_RELATION, CommandGroup::EDIT );
}
namespace
{
class RelationLoader : public ::osl::Thread
{
DECLARE_STL_MAP(::rtl::OUString,::boost::shared_ptr<OTableWindowData>,::comphelper::UStringMixLess,TTableDataHelper);
TTableDataHelper m_aTableData;
TTableConnectionData m_vTableConnectionData;
const Sequence< ::rtl::OUString> m_aTableList;
ORelationController* m_pParent;
const Reference< XDatabaseMetaData> m_xMetaData;
const Reference< XNameAccess > m_xTables;
const sal_Int32 m_nStartIndex;
const sal_Int32 m_nEndIndex;
public:
RelationLoader(ORelationController* _pParent
,const Reference< XDatabaseMetaData>& _xMetaData
,const Reference< XNameAccess >& _xTables
,const Sequence< ::rtl::OUString>& _aTableList
,const sal_Int32 _nStartIndex
,const sal_Int32 _nEndIndex)
:m_aTableData(_xMetaData.is() && _xMetaData->supportsMixedCaseQuotedIdentifiers())
,m_aTableList(_aTableList)
,m_pParent(_pParent)
,m_xMetaData(_xMetaData)
,m_xTables(_xTables)
,m_nStartIndex(_nStartIndex)
,m_nEndIndex(_nEndIndex)
{
}
/// Working method which should be overridden.
virtual void SAL_CALL run();
virtual void SAL_CALL onTerminated();
protected:
virtual ~RelationLoader(){}
void loadTableData(const Any& _aTable);
};
void SAL_CALL RelationLoader::run()
{
const ::rtl::OUString* pIter = m_aTableList.getConstArray() + m_nStartIndex;
for(sal_Int32 i = m_nStartIndex; i < m_nEndIndex;++i,++pIter)
{
::rtl::OUString sCatalog,sSchema,sTable;
::dbtools::qualifiedNameComponents(m_xMetaData,
*pIter,
sCatalog,
sSchema,
sTable,
::dbtools::eInDataManipulation);
Any aCatalog;
if ( !sCatalog.isEmpty() )
aCatalog <<= sCatalog;
try
{
Reference< XResultSet > xResult = m_xMetaData->getImportedKeys(aCatalog, sSchema,sTable);
if ( xResult.is() && xResult->next() )
{
::comphelper::disposeComponent(xResult);
loadTableData(m_xTables->getByName(*pIter));
}
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
}
}
void SAL_CALL RelationLoader::onTerminated()
{
m_pParent->mergeData(m_vTableConnectionData);
delete this;
}
void RelationLoader::loadTableData(const Any& _aTable)
{
Reference<XPropertySet> xTableProp(_aTable,UNO_QUERY);
const ::rtl::OUString sSourceName = ::dbtools::composeTableName( m_xMetaData, xTableProp, ::dbtools::eInTableDefinitions, false, false, false );
TTableDataHelper::iterator aFind = m_aTableData.find(sSourceName);
if ( aFind == m_aTableData.end() )
{
aFind = m_aTableData.insert(TTableDataHelper::value_type(sSourceName,::boost::shared_ptr<OTableWindowData>(new OTableWindowData(xTableProp,sSourceName, sSourceName)))).first;
aFind->second->ShowAll(sal_False);
}
TTableWindowData::value_type pReferencingTable = aFind->second;
Reference<XIndexAccess> xKeys = pReferencingTable->getKeys();
const Reference<XKeysSupplier> xKeySup(xTableProp,UNO_QUERY);
if ( !xKeys.is() && xKeySup.is() )
{
xKeys = xKeySup->getKeys();
}
if ( xKeys.is() )
{
Reference<XPropertySet> xKey;
const sal_Int32 nCount = xKeys->getCount();
for(sal_Int32 i = 0 ; i < nCount ; ++i)
{
xKeys->getByIndex(i) >>= xKey;
sal_Int32 nKeyType = 0;
xKey->getPropertyValue(PROPERTY_TYPE) >>= nKeyType;
if ( KeyType::FOREIGN == nKeyType )
{
::rtl::OUString sReferencedTable;
xKey->getPropertyValue(PROPERTY_REFERENCEDTABLE) >>= sReferencedTable;
//////////////////////////////////////////////////////////////////////
// insert windows
TTableDataHelper::iterator aRefFind = m_aTableData.find(sReferencedTable);
if ( aRefFind == m_aTableData.end() )
{
if ( m_xTables->hasByName(sReferencedTable) )
{
Reference<XPropertySet> xReferencedTable(m_xTables->getByName(sReferencedTable),UNO_QUERY);
aRefFind = m_aTableData.insert(TTableDataHelper::value_type(sReferencedTable,::boost::shared_ptr<OTableWindowData>(new OTableWindowData(xReferencedTable,sReferencedTable, sReferencedTable)))).first;
aRefFind->second->ShowAll(sal_False);
}
else
continue; // table name could not be found so we do not show this table releation
}
TTableWindowData::value_type pReferencedTable = aRefFind->second;
::rtl::OUString sKeyName;
xKey->getPropertyValue(PROPERTY_NAME) >>= sKeyName;
//////////////////////////////////////////////////////////////////////
// insert connection
ORelationTableConnectionData* pTabConnData = new ORelationTableConnectionData( pReferencingTable, pReferencedTable, sKeyName );
m_vTableConnectionData.push_back(TTableConnectionData::value_type(pTabConnData));
//////////////////////////////////////////////////////////////////////
// insert columns
const Reference<XColumnsSupplier> xColsSup(xKey,UNO_QUERY);
OSL_ENSURE(xColsSup.is(),"Key is no XColumnsSupplier!");
const Reference<XNameAccess> xColumns = xColsSup->getColumns();
const Sequence< ::rtl::OUString> aNames = xColumns->getElementNames();
const ::rtl::OUString* pIter = aNames.getConstArray();
const ::rtl::OUString* pEnd = pIter + aNames.getLength();
::rtl::OUString sColumnName,sRelatedName;
for(sal_uInt16 j=0;pIter != pEnd;++pIter,++j)
{
const Reference<XPropertySet> xPropSet(xColumns->getByName(*pIter),UNO_QUERY);
OSL_ENSURE(xPropSet.is(),"Invalid column found in KeyColumns!");
if ( xPropSet.is() )
{
xPropSet->getPropertyValue(PROPERTY_NAME) >>= sColumnName;
xPropSet->getPropertyValue(PROPERTY_RELATEDCOLUMN) >>= sRelatedName;
}
pTabConnData->SetConnLine( j, sColumnName, sRelatedName );
}
//////////////////////////////////////////////////////////////////////
// Update/Del-Flags setzen
sal_Int32 nUpdateRule = 0;
sal_Int32 nDeleteRule = 0;
xKey->getPropertyValue(PROPERTY_UPDATERULE) >>= nUpdateRule;
xKey->getPropertyValue(PROPERTY_DELETERULE) >>= nDeleteRule;
pTabConnData->SetUpdateRules( nUpdateRule );
pTabConnData->SetDeleteRules( nDeleteRule );
//////////////////////////////////////////////////////////////////////
// Kardinalitaet setzen
pTabConnData->SetCardinality();
}
}
}
}
}
void ORelationController::mergeData(const TTableConnectionData& _aConnectionData)
{
::osl::MutexGuard aGuard( getMutex() );
::std::copy( _aConnectionData.begin(), _aConnectionData.end(), ::std::back_inserter( m_vTableConnectionData ));
//const Reference< XDatabaseMetaData> xMetaData = getConnection()->getMetaData();
const sal_Bool bCase = sal_True;//xMetaData.is() && xMetaData->supportsMixedCaseQuotedIdentifiers();
// here we are finished, so we can collect the table from connection data
TTableConnectionData::iterator aConnDataIter = m_vTableConnectionData.begin();
TTableConnectionData::iterator aConnDataEnd = m_vTableConnectionData.end();
for(;aConnDataIter != aConnDataEnd;++aConnDataIter)
{
if ( !existsTable((*aConnDataIter)->getReferencingTable()->GetComposedName(),bCase) )
{
m_vTableData.push_back((*aConnDataIter)->getReferencingTable());
}
if ( !existsTable((*aConnDataIter)->getReferencedTable()->GetComposedName(),bCase) )
{
m_vTableData.push_back((*aConnDataIter)->getReferencedTable());
}
}
if ( m_nThreadEvent )
{
--m_nThreadEvent;
if ( !m_nThreadEvent )
Application::PostUserEvent(LINK(this, ORelationController, OnThreadFinished));
}
}
// -----------------------------------------------------------------------------
IMPL_LINK( ORelationController, OnThreadFinished, void*, /*NOTINTERESTEDIN*/ )
{
::SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( getMutex() );
try
{
getView()->initialize(); // show the windows and fill with our informations
getView()->Invalidate(INVALIDATE_NOERASE);
ClearUndoManager();
setModified(sal_False); // and we are not modified yet
if(m_vTableData.empty())
Execute(ID_BROWSER_ADDTABLE,Sequence<PropertyValue>());
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
m_pWaitObject.reset();
return 0L;
}
// -----------------------------------------------------------------------------
void ORelationController::loadData()
{
m_pWaitObject.reset( new WaitObject(getView()) );
try
{
if ( !m_xTables.is() )
return;
DatabaseMetaData aMeta(getConnection());
// this may take some time
const Reference< XDatabaseMetaData> xMetaData = getConnection()->getMetaData();
const Sequence< ::rtl::OUString> aNames = m_xTables->getElementNames();
const sal_Int32 nCount = aNames.getLength();
if ( aMeta.supportsThreads() )
{
const sal_Int32 nMaxElements = (nCount / MAX_THREADS) +1;
sal_Int32 nStart = 0,nEnd = ::std::min(nMaxElements,nCount);
while(nStart != nEnd)
{
++m_nThreadEvent;
RelationLoader* pThread = new RelationLoader(this,xMetaData,m_xTables,aNames,nStart,nEnd);
pThread->createSuspended();
pThread->setPriority(osl_Thread_PriorityBelowNormal);
pThread->resume();
nStart = nEnd;
nEnd += nMaxElements;
nEnd = ::std::min(nEnd,nCount);
}
}
else
{
RelationLoader* pThread = new RelationLoader(this,xMetaData,m_xTables,aNames,0,nCount);
pThread->run();
pThread->onTerminated();
}
}
catch(SQLException& e)
{
showError(SQLExceptionInfo(e));
}
catch(const Exception&)
{
DBG_UNHANDLED_EXCEPTION();
}
}
// -----------------------------------------------------------------------------
TTableWindowData::value_type ORelationController::existsTable(const ::rtl::OUString& _rComposedTableName,sal_Bool _bCase) const
{
::comphelper::UStringMixEqual bCase(_bCase);
TTableWindowData::const_iterator aIter = m_vTableData.begin();
TTableWindowData::const_iterator aEnd = m_vTableData.end();
for(;aIter != aEnd;++aIter)
{
if(bCase((*aIter)->GetComposedName(),_rComposedTableName))
break;
}
return ( aIter != aEnd) ? *aIter : TTableWindowData::value_type();
}
// -----------------------------------------------------------------------------
void ORelationController::loadLayoutInformation()
{
try
{
OSL_ENSURE(haveDataSource(),"We need a datasource from our connection!");
if ( haveDataSource() )
{
if ( getDataSource()->getPropertySetInfo()->hasPropertyByName(PROPERTY_LAYOUTINFORMATION) )
{
Sequence<PropertyValue> aWindows;
getDataSource()->getPropertyValue(PROPERTY_LAYOUTINFORMATION) >>= aWindows;
loadTableWindows(aWindows);
}
}
}
catch(Exception&)
{
}
}
// -----------------------------------------------------------------------------
void ORelationController::reset()
{
loadLayoutInformation();
ODataView* pView = getView();
OSL_ENSURE(pView,"No current view!");
if(pView)
{
pView->initialize();
pView->Invalidate(INVALIDATE_NOERASE);
}
}
// -----------------------------------------------------------------------------
bool ORelationController::allowViews() const
{
return false;
}
// -----------------------------------------------------------------------------
bool ORelationController::allowQueries() const
{
return false;
}
// -----------------------------------------------------------------------------
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */