Files
libreoffice/dbaccess/source/ui/misc/singledoccontroller.cxx
2001-09-07 09:03:53 +00:00

439 lines
16 KiB
C++

/*************************************************************************
*
* $RCSfile: singledoccontroller.cxx,v $
*
* $Revision: 1.5 $
*
* last change: $Author: fs $ $Date: 2001-09-07 10:03:53 $
*
* 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 EXPRESS 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_SINGLEDOCCONTROLLER_HXX
#include "singledoccontroller.hxx"
#endif
#ifndef _COMPHELPER_SEQUENCE_HXX_
#include <comphelper/sequence.hxx>
#endif
#ifndef DBACCESS_SHARED_DBUSTRINGS_HRC
#include "dbustrings.hrc"
#endif
#ifndef _COM_SUN_STAR_BEANS_PROPERTYATTRIBUTE_HPP_
#include <com/sun/star/beans/PropertyAttribute.hpp>
#endif
#ifndef _COM_SUN_STAR_CONTAINER_XNAMEACCESS_HPP_
#include <com/sun/star/container/XNameAccess.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBC_XDATASOURCE_HPP_
#include <com/sun/star/sdbc/XDataSource.hpp>
#endif
#ifndef _COM_SUN_STAR_CONTAINER_XCHILD_HPP_
#include <com/sun/star/container/XChild.hpp>
#endif
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif
#ifndef _COMPHELPER_TYPES_HXX_
#include <comphelper/types.hxx>
#endif
#ifndef _SV_MSGBOX_HXX
#include <vcl/msgbox.hxx>
#endif
#ifndef _DBU_RESOURCE_HRC_
#include "dbu_resource.hrc"
#endif
#ifndef DBAUI_DATAVIEW_HXX
#include "dataview.hxx"
#endif
#ifndef _CPPUHELPER_TYPEPROVIDER_HXX_
#include <cppuhelper/typeprovider.hxx>
#endif
//........................................................................
namespace dbaui
{
//........................................................................
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::sdbc;
//====================================================================
//= OConnectionChangeBroadcaster
//====================================================================
class OConnectionChangeBroadcaster
{
private:
OSingleDocumentController* m_pController;
Reference< XConnection > m_xOldConnection;
public:
OConnectionChangeBroadcaster( OSingleDocumentController* _pController );
~OConnectionChangeBroadcaster();
};
DBG_NAME(OConnectionChangeBroadcaster)
//--------------------------------------------------------------------
OConnectionChangeBroadcaster::OConnectionChangeBroadcaster( OSingleDocumentController* _pController )
:m_pController( _pController )
{
DBG_CTOR(OConnectionChangeBroadcaster,NULL);
DBG_ASSERT( m_pController, "OConnectionChangeBroadcaster::OConnectionChangeBroadcaster: invalid controller!" );
if ( m_pController )
m_xOldConnection = m_pController->getConnection();
}
//--------------------------------------------------------------------
OConnectionChangeBroadcaster::~OConnectionChangeBroadcaster()
{
if ( m_pController )
{
// has the connection change while we were constructed?
Reference< XConnection > xNewConnection = m_pController->getConnection();
if ( m_xOldConnection.get() != xNewConnection.get() )
{
// yes -> fire the property change
sal_Int32 mHandle = PROPERTY_ID_ACTIVECONNECTION;
Any aNewValue = makeAny( xNewConnection );
Any aOldValue = makeAny( m_xOldConnection );
m_pController->fire( &mHandle, &aNewValue, &aOldValue, 1, sal_False );
}
}
DBG_DTOR(OConnectionChangeBroadcaster,NULL);
}
//====================================================================
//= OSingleDocumentController
//====================================================================
//--------------------------------------------------------------------
OSingleDocumentController::OSingleDocumentController(const Reference< XMultiServiceFactory >& _rxORB)
:OSingleDocumentController_CBASE( _rxORB )
,OSingleDocumentController_PBASE( getBroadcastHelper() )
,m_bOwnConnection( sal_False )
{
registerProperty( PROPERTY_ACTIVECONNECTION, PROPERTY_ID_ACTIVECONNECTION, PropertyAttribute::READONLY | PropertyAttribute::BOUND,
&m_xConnection, ::getCppuType( &m_xConnection ) );
}
//--------------------------------------------------------------------
Any SAL_CALL OSingleDocumentController::queryInterface( const Type& _rType ) throw (RuntimeException)
{
Any aReturn = OSingleDocumentController_CBASE::queryInterface( _rType );
if ( !aReturn.hasValue() )
aReturn = OSingleDocumentController_PBASE::queryInterface( _rType );
return aReturn;
}
//--------------------------------------------------------------------
void SAL_CALL OSingleDocumentController::acquire( ) throw ()
{
OSingleDocumentController_CBASE::acquire();
}
//--------------------------------------------------------------------
void SAL_CALL OSingleDocumentController::release( ) throw ()
{
OSingleDocumentController_CBASE::release();
}
//--------------------------------------------------------------------
Sequence<sal_Int8> SAL_CALL OSingleDocumentController::getImplementationId( ) throw(RuntimeException)
{
static ::cppu::OImplementationId * pId = 0;
if (! pId)
{
::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
if (! pId)
{
static ::cppu::OImplementationId aId;
pId = &aId;
}
}
return pId->getImplementationId();
}
//--------------------------------------------------------------------
Sequence< Type > SAL_CALL OSingleDocumentController::getTypes( ) throw (RuntimeException)
{
return ::comphelper::concatSequences(
OSingleDocumentController_CBASE::getTypes(),
OSingleDocumentController_PBASE::getTypes()
);
}
//-------------------------------------------------------------------------
Reference<XPropertySetInfo> SAL_CALL OSingleDocumentController::getPropertySetInfo() throw(RuntimeException)
{
Reference<XPropertySetInfo> xInfo( createPropertySetInfo( getInfoHelper() ) );
return xInfo;
}
//-------------------------------------------------------------------------
::cppu::IPropertyArrayHelper& OSingleDocumentController::getInfoHelper()
{
return *const_cast<OSingleDocumentController*>(this)->getArrayHelper();
}
//--------------------------------------------------------------------
::cppu::IPropertyArrayHelper* OSingleDocumentController::createArrayHelper( ) const
{
Sequence< Property > aProps;
describeProperties(aProps);
return new ::cppu::OPropertyArrayHelper(aProps);
}
//--------------------------------------------------------------------
void OSingleDocumentController::initializeDataSourceName( const ::rtl::OUString& _rName )
{
DBG_ASSERT( _rName.getLength(), "OSingleDocumentController::initializeDataSourceName: invalid new name!" );
DBG_ASSERT( !m_sDataSourceName.getLength(), "OSingleDocumentController::initializeDataSourceName: already have a name!" );
m_sDataSourceName = _rName;
// referesh the UNO object
m_xDataSource.clear();
try
{
// get the context
Reference< XNameAccess > xContext( getORB()->createInstance( SERVICE_SDB_DATABASECONTEXT ), UNO_QUERY );
// the DS
Reference< XDataSource > xDS;
if ( xContext.is() )
xContext->getByName( m_sDataSourceName ) >>= xDS;
// (take the indirection through XDataSource to ensure we have a correct object ....)
m_xDataSource = Reference< XPropertySet >( xDS, UNO_QUERY);
DBG_ASSERT( m_xDataSource.is(), "OSingleDocumentController::initializeDataSourceName: could not retrieve the data source!" );
#ifdef DBG_UTIL
if ( m_xConnection.is() )
{
Reference< XChild > xConnAsChild( m_xConnection, UNO_QUERY );
DBG_ASSERT( xConnAsChild->getParent() == m_xDataSource, "OSingleDocumentController::initializeDataSourceName: invalid connection/data source combination!" );
// this initialize method is intended to be used from the XInitialization::initialize of derived classes
// within this initialize, if both parameters (data source name and connection) are passed, they must
// be consistent
}
#endif
}
catch( const Exception& )
{
DBG_ERROR( "OSingleDocumentController::initializeDataSourceName: caught an exception!" );
}
}
//--------------------------------------------------------------------
void OSingleDocumentController::initializeConnection( const Reference< XConnection >& _rxForeignConn )
{
OConnectionChangeBroadcaster( this );
DBG_ASSERT( !isConnected(), "OSingleDocumentController::initializeConnection: not to be called when already connected!" );
// usually this gets called from within initialize of derived classes ...
if ( isConnected() )
disconnect();
m_xConnection = _rxForeignConn;
m_bOwnConnection = sal_False;
startConnectionListening( m_xConnection );
// get the data source the connection belongs to
OSL_ENSURE( (m_sDataSourceName.getLength() != 0) == (m_xDataSource.is() == sal_True),
"OSingleDocumentController::initializeConnection: inconsistence!" );
if ( !m_xDataSource.is() )
{
try
{
Reference< XChild > xConnAsChild( m_xConnection, UNO_QUERY );
Reference< XDataSource > xDS;
if ( xConnAsChild.is() )
xDS = Reference< XDataSource >( xConnAsChild->getParent(), UNO_QUERY );
// (take the indirection through XDataSource to ensure we have a correct object ....)
m_xDataSource = Reference< XPropertySet >( xDS, UNO_QUERY);
DBG_ASSERT( m_xDataSource.is(), "OSingleDocumentController::initializeConnection: could not retrieve the data source!" );
if ( m_xDataSource.is() )
{
m_xDataSource->getPropertyValue( PROPERTY_NAME ) >>= m_sDataSourceName;
DBG_ASSERT( m_sDataSourceName.getLength(), "OSingleDocumentController::initializeConnection: invalid data source name!" );
}
}
catch( const Exception& )
{
DBG_ERROR( "OSingleDocumentController::initializeConnection: caught an exception!" );
}
}
}
//--------------------------------------------------------------------
void OSingleDocumentController::reconnect( sal_Bool _bUI )
{
OConnectionChangeBroadcaster( this );
stopConnectionListening(m_xConnection);
if ( m_bOwnConnection )
{
try
{
::comphelper::disposeComponent( m_xConnection );
}
catch( const Exception& ) { /* allowed: if we reconnect because the old connection has been disposed .... */ }
}
m_xConnection = NULL;
m_bOwnConnection = sal_False;
// reconnect
sal_Bool bReConnect = sal_True;
if ( _bUI )
{
QueryBox aQuery( getView(), ModuleRes(TABLE_QUERY_CONNECTION_LOST) );
bReConnect = ( RET_YES == aQuery.Execute() );
}
// now really reconnect ...
if ( bReConnect )
{
m_xConnection = connect( m_sDataSourceName, sal_True );
m_bOwnConnection = m_xConnection.is();
}
// invalidate all slots
InvalidateAll();
}
//--------------------------------------------------------------------
void OSingleDocumentController::disconnect()
{
OConnectionChangeBroadcaster( this );
stopConnectionListening(m_xConnection);
try
{
if ( m_bOwnConnection )
::comphelper::disposeComponent( m_xConnection );
}
catch(const Exception&)
{
}
m_xConnection = NULL;
m_bOwnConnection = sal_False;
InvalidateAll();
}
//--------------------------------------------------------------------
void OSingleDocumentController::losingConnection()
{
// our connection was disposed so we need a new one
reconnect( sal_True );
}
//--------------------------------------------------------------------
void SAL_CALL OSingleDocumentController::disposing()
{
OSingleDocumentController_CBASE::disposing();
disconnect();
m_xDataSource.clear();
}
//--------------------------------------------------------------------
sal_Bool OSingleDocumentController::Construct(Window* _pParent)
{
DBG_ASSERT( getView(), "OSingleDocumentController::Construct: have no view!" );
if ( getView() )
getView()->enableSeparator( );
return OSingleDocumentController_CBASE::Construct( _pParent );
}
//--------------------------------------------------------------------
void SAL_CALL OSingleDocumentController::disposing(const EventObject& _rSource) throw( RuntimeException )
{
if ( !getBroadcastHelper().bInDispose && !getBroadcastHelper().bDisposed && isConnected() && ( _rSource.Source == getConnection() ) )
{
losingConnection();
}
else
OSingleDocumentController_CBASE::disposing( _rSource );
}
//........................................................................
} // namespace dbaui
//........................................................................
/*************************************************************************
* history:
* $Log: not supported by cvs2svn $
* Revision 1.4 2001/08/16 13:00:02 hr
* #65293#: syntax
*
* Revision 1.3 2001/08/15 13:36:51 fs
* #88637# add a separator above the toolbox
*
* Revision 1.2 2001/08/15 13:16:25 oj
* #88644# insert some DBG's
*
* Revision 1.1 2001/08/14 12:00:02 fs
* initial checkin - base class for controller which work on one single object belonging to a data source connection
*
*
* Revision 1.0 14.08.01 09:45:39 fs
************************************************************************/