LCOV - code coverage report
Current view: top level - libreoffice/reportdesign/source/core/sdr - UndoEnv.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 281 0.0 %
Date: 2012-12-27 Functions: 0 33 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : #include "UndoActions.hxx"
      20             : #include "UndoEnv.hxx"
      21             : #include "formatnormalizer.hxx"
      22             : #include "conditionupdater.hxx"
      23             : #include "corestrings.hrc"
      24             : #include "rptui_slotid.hrc"
      25             : #include "RptDef.hxx"
      26             : #include "ModuleHelper.hxx"
      27             : #include "RptObject.hxx"
      28             : #include "RptPage.hxx"
      29             : #include "RptResId.hrc"
      30             : #include "RptModel.hxx"
      31             : 
      32             : #include <com/sun/star/script/XEventAttacherManager.hpp>
      33             : #include <com/sun/star/container/XChild.hpp>
      34             : #include <com/sun/star/container/XNameContainer.hpp>
      35             : #include <com/sun/star/beans/Introspection.hpp>
      36             : #include <com/sun/star/beans/PropertyAttribute.hpp>
      37             : #include <com/sun/star/util/XModifyBroadcaster.hpp>
      38             : #include <com/sun/star/beans/XIntrospectionAccess.hpp>
      39             : #include <com/sun/star/beans/XIntrospection.hpp>
      40             : 
      41             : #include <connectivity/dbtools.hxx>
      42             : #include <svl/smplhint.hxx>
      43             : #include <tools/diagnose_ex.h>
      44             : #include <comphelper/stl_types.hxx>
      45             : #include <comphelper/componentcontext.hxx>
      46             : #include <vcl/svapp.hxx>
      47             : #include <dbaccess/dbsubcomponentcontroller.hxx>
      48             : #include <svx/unoshape.hxx>
      49             : #include <osl/mutex.hxx>
      50             : 
      51             : namespace rptui
      52             : {
      53             :     using namespace ::com::sun::star;
      54             :     using namespace uno;
      55             :     using namespace lang;
      56             :     using namespace script;
      57             :     using namespace beans;
      58             :     using namespace awt;
      59             :     using namespace util;
      60             :     using namespace container;
      61             :     using namespace report;
      62             : //----------------------------------------------------------------------------
      63             : 
      64             : 
      65             : struct PropertyInfo
      66             : {
      67             :     bool    bIsReadonlyOrTransient;
      68             : 
      69             :     PropertyInfo()
      70             :         :bIsReadonlyOrTransient( false )
      71             :     {
      72             :     }
      73             : 
      74           0 :     PropertyInfo( const bool i_bIsTransientOrReadOnly )
      75           0 :         :bIsReadonlyOrTransient( i_bIsTransientOrReadOnly )
      76             :     {
      77           0 :     }
      78             : };
      79             : 
      80             : typedef ::boost::unordered_map< ::rtl::OUString, PropertyInfo, ::rtl::OUStringHash >    PropertiesInfo;
      81             : 
      82           0 : struct ObjectInfo
      83             : {
      84             :     PropertiesInfo              aProperties;
      85             :     Reference< XPropertySet >   xPropertyIntrospection;
      86             : 
      87           0 :     ObjectInfo()
      88             :         :aProperties()
      89           0 :         ,xPropertyIntrospection()
      90             :     {
      91           0 :     }
      92             : };
      93             : 
      94             : typedef ::std::map< Reference< XPropertySet >, ObjectInfo, ::comphelper::OInterfaceCompare< XPropertySet > >    PropertySetInfoCache;
      95             : 
      96             : // -----------------------------------------------------------------------------
      97             : 
      98           0 : class OXUndoEnvironmentImpl
      99             : {
     100             :     OXUndoEnvironmentImpl(OXUndoEnvironmentImpl&);
     101             :     void operator =(OXUndoEnvironmentImpl&);
     102             : public:
     103             :     OReportModel&                                       m_rModel;
     104             :     PropertySetInfoCache                                m_aPropertySetCache;
     105             :     FormatNormalizer                                    m_aFormatNormalizer;
     106             :     ConditionUpdater                                    m_aConditionUpdater;
     107             :     ::osl::Mutex                                        m_aMutex;
     108             :     ::std::vector< uno::Reference< container::XChild> > m_aSections;
     109             :     Reference< XIntrospection >                         m_xIntrospection;
     110             :     oslInterlockedCount                                 m_nLocks;
     111             :     sal_Bool                                            m_bReadOnly;
     112             :     sal_Bool                                            m_bIsUndo;
     113             : 
     114             :     OXUndoEnvironmentImpl(OReportModel& _rModel);
     115             : };
     116             : 
     117           0 : OXUndoEnvironmentImpl::OXUndoEnvironmentImpl(OReportModel& _rModel) : m_rModel(_rModel)
     118             :         ,m_aFormatNormalizer( _rModel )
     119             :         ,m_aConditionUpdater()
     120             :         ,m_nLocks(0)
     121             :         ,m_bReadOnly(sal_False)
     122           0 :         ,m_bIsUndo(sal_False)
     123             : {
     124           0 : }
     125             : 
     126             : //------------------------------------------------------------------------------
     127             : DBG_NAME( rpt_OXUndoEnvironment );
     128             : //------------------------------------------------------------------------------
     129           0 : OXUndoEnvironment::OXUndoEnvironment(OReportModel& _rModel)
     130           0 :                    :m_pImpl(new OXUndoEnvironmentImpl(_rModel) )
     131             : {
     132             :     DBG_CTOR( rpt_OXUndoEnvironment,NULL);
     133           0 :     StartListening(m_pImpl->m_rModel);
     134           0 : }
     135             : 
     136             : //------------------------------------------------------------------------------
     137           0 : OXUndoEnvironment::~OXUndoEnvironment()
     138             : {
     139             :     DBG_DTOR( rpt_OXUndoEnvironment,NULL);
     140           0 : }
     141             : // -----------------------------------------------------------------------------
     142           0 : void OXUndoEnvironment::Lock()
     143             : {
     144             :     OSL_ENSURE(m_refCount,"Illegal call to dead object!");
     145           0 :     osl_atomic_increment( &m_pImpl->m_nLocks );
     146           0 : }
     147           0 : void OXUndoEnvironment::UnLock()
     148             : {
     149             :     OSL_ENSURE(m_refCount,"Illegal call to dead object!");
     150             : 
     151           0 :     osl_atomic_decrement( &m_pImpl->m_nLocks );
     152           0 : }
     153           0 : sal_Bool OXUndoEnvironment::IsLocked() const { return m_pImpl->m_nLocks != 0; }
     154             : // -----------------------------------------------------------------------------
     155           0 : void OXUndoEnvironment::RemoveSection(OReportPage* _pPage)
     156             : {
     157           0 :     if ( _pPage )
     158             :     {
     159           0 :         Reference< XInterface > xSection(_pPage->getSection());
     160           0 :         if ( xSection.is() )
     161           0 :             RemoveElement( xSection );
     162             :     }
     163           0 : }
     164             : //------------------------------------------------------------------------------
     165           0 : void OXUndoEnvironment::Clear(const Accessor& /*_r*/)
     166             : {
     167           0 :     OUndoEnvLock aLock(*this);
     168             : 
     169           0 :     m_pImpl->m_aPropertySetCache.clear();
     170             : 
     171           0 :     sal_uInt16 nCount = m_pImpl->m_rModel.GetPageCount();
     172             :     sal_uInt16 i;
     173           0 :     for (i = 0; i < nCount; i++)
     174             :     {
     175           0 :         OReportPage* pPage = PTR_CAST( OReportPage, m_pImpl->m_rModel.GetPage(i) );
     176           0 :         RemoveSection(pPage);
     177             :     }
     178             : 
     179           0 :     nCount = m_pImpl->m_rModel.GetMasterPageCount();
     180           0 :     for (i = 0; i < nCount; i++)
     181             :     {
     182           0 :         OReportPage* pPage = PTR_CAST( OReportPage, m_pImpl->m_rModel.GetMasterPage(i) );
     183           0 :         RemoveSection(pPage);
     184             :     }
     185             : 
     186           0 :     m_pImpl->m_aSections.clear();
     187             : 
     188           0 :     if (IsListening(m_pImpl->m_rModel))
     189           0 :         EndListening(m_pImpl->m_rModel);
     190           0 : }
     191             : 
     192             : //------------------------------------------------------------------------------
     193           0 : void OXUndoEnvironment::ModeChanged()
     194             : {
     195           0 :     m_pImpl->m_bReadOnly = !m_pImpl->m_bReadOnly;
     196             : 
     197           0 :     if (!m_pImpl->m_bReadOnly)
     198           0 :         StartListening(m_pImpl->m_rModel);
     199             :     else
     200           0 :         EndListening(m_pImpl->m_rModel);
     201           0 : }
     202             : 
     203             : //------------------------------------------------------------------------------
     204           0 : void OXUndoEnvironment::Notify( SfxBroadcaster& /*rBC*/, const SfxHint& rHint )
     205             : {
     206           0 :     if (rHint.ISA(SfxSimpleHint) && ((SfxSimpleHint&)rHint).GetId() == SFX_HINT_MODECHANGED )
     207           0 :         ModeChanged();
     208           0 : }
     209             : // -----------------------------------------------------------------------------
     210             : //  XEventListener
     211             : //------------------------------------------------------------------------------
     212           0 : void SAL_CALL OXUndoEnvironment::disposing(const EventObject& e) throw( RuntimeException )
     213             : {
     214             :     // check if it's an object we have cached informations about
     215           0 :     Reference< XPropertySet > xSourceSet(e.Source, UNO_QUERY);
     216           0 :     if ( xSourceSet.is() )
     217             :     {
     218           0 :         uno::Reference< report::XSection> xSection(xSourceSet,uno::UNO_QUERY);
     219           0 :         if ( xSection.is() )
     220           0 :             RemoveSection(xSection);
     221             :         else
     222           0 :             RemoveElement(xSourceSet);
     223           0 :     }
     224           0 : }
     225             : 
     226             : // XPropertyChangeListener
     227             : //------------------------------------------------------------------------------
     228           0 : void SAL_CALL OXUndoEnvironment::propertyChange( const PropertyChangeEvent& _rEvent ) throw(uno::RuntimeException)
     229             : {
     230             : 
     231           0 :     ::osl::ClearableMutexGuard aGuard( m_pImpl->m_aMutex );
     232             : 
     233           0 :     if ( IsLocked() )
     234             :         return;
     235             : 
     236           0 :     Reference< XPropertySet >  xSet( _rEvent.Source, UNO_QUERY );
     237           0 :     if (!xSet.is())
     238             :         return;
     239             : 
     240           0 :     dbaui::DBSubComponentController* pController = m_pImpl->m_rModel.getController();
     241           0 :     if ( !pController )
     242             :         return;
     243             : 
     244             :     // no Undo for transient and readonly props.
     245             :     // let's see if we know something about the set
     246           0 :     PropertySetInfoCache::iterator objectPos = m_pImpl->m_aPropertySetCache.find(xSet);
     247           0 :     if (objectPos == m_pImpl->m_aPropertySetCache.end())
     248             :     {
     249           0 :         objectPos = m_pImpl->m_aPropertySetCache.insert( PropertySetInfoCache::value_type(
     250             :             xSet, ObjectInfo()
     251           0 :         ) ).first;
     252             :         DBG_ASSERT(objectPos != m_pImpl->m_aPropertySetCache.end(), "OXUndoEnvironment::propertyChange : just inserted it ... why it's not there ?");
     253             :     }
     254           0 :     if ( objectPos == m_pImpl->m_aPropertySetCache.end() )
     255             :         return;
     256             : 
     257             :     // now we have access to the cached info about the set
     258             :     // let's see what we know about the property
     259           0 :     ObjectInfo& rObjectInfo = objectPos->second;
     260           0 :     PropertiesInfo::iterator aPropertyPos = rObjectInfo.aProperties.find( _rEvent.PropertyName );
     261           0 :     if ( aPropertyPos == rObjectInfo.aProperties.end() )
     262             :     {   // nothing 'til now ... have to change this ....
     263             :         // the attributes
     264           0 :         Reference< XPropertySetInfo > xPSI( xSet->getPropertySetInfo(), UNO_SET_THROW );
     265           0 :         sal_Int32 nPropertyAttributes = 0;
     266             :         try
     267             :         {
     268           0 :             if ( xPSI->hasPropertyByName( _rEvent.PropertyName ) )
     269             :             {
     270           0 :                 nPropertyAttributes = xPSI->getPropertyByName( _rEvent.PropertyName ).Attributes;
     271             :             }
     272             :             else
     273             :             {
     274             :                 // it's perfectly valid for a component to notify a change in a property which it doesn't have - as long
     275             :                 // as it has an attribute with this name
     276           0 :                 if ( !rObjectInfo.xPropertyIntrospection.is() )
     277             :                 {
     278           0 :                     if ( !m_pImpl->m_xIntrospection.is() )
     279             :                     {
     280           0 :                         ::comphelper::ComponentContext aContext( m_pImpl->m_rModel.getController()->getORB() );
     281           0 :                         m_pImpl->m_xIntrospection = Introspection::create( aContext.getUNOContext() );
     282             :                     }
     283             :                     Reference< XIntrospectionAccess > xIntrospection(
     284           0 :                         m_pImpl->m_xIntrospection->inspect( makeAny( _rEvent.Source ) ),
     285             :                         UNO_SET_THROW
     286           0 :                     );
     287           0 :                     rObjectInfo.xPropertyIntrospection.set( xIntrospection->queryAdapter( XPropertySet::static_type() ), UNO_QUERY_THROW );
     288             :                 }
     289           0 :                 if ( rObjectInfo.xPropertyIntrospection.is() )
     290             :                 {
     291           0 :                     xPSI.set( rObjectInfo.xPropertyIntrospection->getPropertySetInfo(), UNO_SET_THROW );
     292           0 :                     nPropertyAttributes = xPSI->getPropertyByName( _rEvent.PropertyName ).Attributes;
     293             :                 }
     294             :             }
     295             :         }
     296           0 :         catch( const Exception& )
     297             :         {
     298             :             DBG_UNHANDLED_EXCEPTION();
     299             :         }
     300             :         const bool bTransReadOnly =
     301             :                     ( ( nPropertyAttributes & PropertyAttribute::READONLY ) != 0 )
     302           0 :                 ||  ( ( nPropertyAttributes & PropertyAttribute::TRANSIENT ) != 0 );
     303             : 
     304             :         // insert the new entry
     305             :         aPropertyPos = rObjectInfo.aProperties.insert( PropertiesInfo::value_type(
     306             :             _rEvent.PropertyName,
     307             :             PropertyInfo( bTransReadOnly )
     308           0 :         ) ).first;
     309           0 :         DBG_ASSERT(aPropertyPos != rObjectInfo.aProperties.end(), "OXUndoEnvironment::propertyChange : just inserted it ... why it's not there ?");
     310             :     }
     311             : 
     312           0 :     implSetModified();
     313             : 
     314             :     // now we have access to the cached info about the property affected
     315             :     // and are able to decide whether or not we need an undo action
     316             : 
     317             :     // no UNDO for transient/readonly properties
     318           0 :     if ( aPropertyPos->second.bIsReadonlyOrTransient )
     319             :         return;
     320             : 
     321             :     // give components with sub responsibilities a chance
     322           0 :     m_pImpl->m_aFormatNormalizer.notifyPropertyChange( _rEvent );
     323           0 :     m_pImpl->m_aConditionUpdater.notifyPropertyChange( _rEvent );
     324             : 
     325           0 :     aGuard.clear();
     326             :     // TODO: this is a potential race condition: two threads here could in theory
     327             :     // add their undo actions out-of-order
     328             : 
     329           0 :     SolarMutexGuard aSolarGuard;
     330           0 :     ORptUndoPropertyAction* pUndo = NULL;
     331             :     try
     332             :     {
     333           0 :         uno::Reference< report::XSection> xSection( xSet, uno::UNO_QUERY );
     334           0 :         if ( xSection.is() )
     335             :         {
     336           0 :             uno::Reference< report::XGroup> xGroup = xSection->getGroup();
     337           0 :             if ( xGroup.is() )
     338           0 :                 pUndo = new OUndoPropertyGroupSectionAction( m_pImpl->m_rModel, _rEvent, OGroupHelper::getMemberFunction( xSection ), xGroup );
     339             :             else
     340           0 :                 pUndo = new OUndoPropertyReportSectionAction( m_pImpl->m_rModel, _rEvent, OReportHelper::getMemberFunction( xSection ), xSection->getReportDefinition() );
     341           0 :         }
     342             :     }
     343           0 :     catch(const Exception&)
     344             :     {
     345             :         DBG_UNHANDLED_EXCEPTION();
     346             :     }
     347             : 
     348           0 :     if ( pUndo == NULL )
     349           0 :         pUndo = new ORptUndoPropertyAction( m_pImpl->m_rModel, _rEvent );
     350             : 
     351           0 :     m_pImpl->m_rModel.GetSdrUndoManager()->AddUndoAction( pUndo );
     352           0 :     pController->InvalidateAll();
     353             : }
     354             : // -----------------------------------------------------------------------------
     355           0 : ::std::vector< uno::Reference< container::XChild> >::const_iterator OXUndoEnvironment::getSection(const Reference<container::XChild>& _xContainer) const
     356             : {
     357           0 :     ::std::vector< uno::Reference< container::XChild> >::const_iterator aFind = m_pImpl->m_aSections.end();
     358           0 :     if ( _xContainer.is() )
     359             :     {
     360           0 :         aFind = ::std::find(m_pImpl->m_aSections.begin(),m_pImpl->m_aSections.end(),_xContainer);
     361             : 
     362           0 :         if ( aFind == m_pImpl->m_aSections.end() )
     363             :         {
     364           0 :             Reference<container::XChild> xParent(_xContainer->getParent(),uno::UNO_QUERY);
     365           0 :             aFind = getSection(xParent);
     366             :         }
     367             :     }
     368           0 :     return aFind;
     369             : }
     370             : // XContainerListener
     371             : //------------------------------------------------------------------------------
     372           0 : void SAL_CALL OXUndoEnvironment::elementInserted(const ContainerEvent& evt) throw(uno::RuntimeException)
     373             : {
     374           0 :     SolarMutexGuard aSolarGuard;
     375           0 :     ::osl::MutexGuard aGuard( m_pImpl->m_aMutex );
     376             : 
     377             :     // neues Object zum lauschen
     378           0 :     Reference< uno::XInterface >  xIface( evt.Element, UNO_QUERY );
     379           0 :     if ( !IsLocked() )
     380             :     {
     381           0 :         Reference< report::XReportComponent >  xReportComponent( xIface, UNO_QUERY );
     382           0 :         if ( xReportComponent.is() )
     383             :         {
     384           0 :             Reference< report::XSection > xContainer(evt.Source,uno::UNO_QUERY);
     385             : 
     386           0 :             ::std::vector< uno::Reference< container::XChild> >::const_iterator aFind = getSection(xContainer.get());
     387             : 
     388           0 :             if ( aFind != m_pImpl->m_aSections.end() )
     389             :             {
     390           0 :                 OUndoEnvLock aLock(*this);
     391             :                 try
     392             :                 {
     393           0 :                     OReportPage* pPage = m_pImpl->m_rModel.getPage(uno::Reference< report::XSection>(*aFind,uno::UNO_QUERY));
     394             :                     OSL_ENSURE(pPage,"No page could be found for section!");
     395           0 :                     if ( pPage )
     396           0 :                         pPage->insertObject(xReportComponent);
     397             :                 }
     398           0 :                 catch(uno::Exception&)
     399             :                 {
     400             :                     DBG_UNHANDLED_EXCEPTION();
     401           0 :                 }
     402             : 
     403           0 :             }
     404             :         }
     405             :         else
     406             :         {
     407           0 :             uno::Reference< report::XFunctions> xContainer(evt.Source,uno::UNO_QUERY);
     408           0 :             if ( xContainer.is() )
     409             :             {
     410           0 :                 m_pImpl->m_rModel.GetSdrUndoManager()->AddUndoAction(
     411           0 :                     new OUndoContainerAction( m_pImpl->m_rModel, rptui::Inserted, xContainer.get(),
     412           0 :                         xIface, RID_STR_UNDO_ADDFUNCTION ) );
     413           0 :             }
     414           0 :         }
     415             :     }
     416             : 
     417           0 :     AddElement(xIface);
     418             : 
     419           0 :     implSetModified();
     420           0 : }
     421             : 
     422             : //------------------------------------------------------------------------------
     423           0 : void OXUndoEnvironment::implSetModified()
     424             : {
     425           0 :     m_pImpl->m_rModel.SetModified( sal_True );
     426           0 : }
     427             : 
     428             : //------------------------------------------------------------------------------
     429           0 : void SAL_CALL OXUndoEnvironment::elementReplaced(const ContainerEvent& evt) throw(uno::RuntimeException)
     430             : {
     431           0 :     SolarMutexGuard aSolarGuard;
     432           0 :     ::osl::MutexGuard aGuard( m_pImpl->m_aMutex );
     433             : 
     434           0 :     Reference< XInterface >  xIface(evt.ReplacedElement,uno::UNO_QUERY);
     435             :     OSL_ENSURE(xIface.is(), "OXUndoEnvironment::elementReplaced: invalid container notification!");
     436           0 :     RemoveElement(xIface);
     437             : 
     438           0 :     xIface.set(evt.Element,uno::UNO_QUERY);
     439           0 :     AddElement(xIface);
     440             : 
     441           0 :     implSetModified();
     442           0 : }
     443             : 
     444             : //------------------------------------------------------------------------------
     445           0 : void SAL_CALL OXUndoEnvironment::elementRemoved(const ContainerEvent& evt) throw(uno::RuntimeException)
     446             : {
     447           0 :     SolarMutexGuard aSolarGuard;
     448           0 :     ::osl::MutexGuard aGuard( m_pImpl->m_aMutex );
     449             : 
     450           0 :     Reference< uno::XInterface >  xIface( evt.Element, UNO_QUERY );
     451           0 :     if ( !IsLocked() )
     452             :     {
     453           0 :         Reference< report::XSection > xContainer(evt.Source,uno::UNO_QUERY);
     454           0 :         ::std::vector< uno::Reference< container::XChild> >::const_iterator aFind = getSection(xContainer.get());
     455             : 
     456           0 :         Reference< report::XReportComponent >  xReportComponent( xIface, UNO_QUERY );
     457           0 :         if ( aFind != m_pImpl->m_aSections.end() && xReportComponent.is() )
     458             :         {
     459           0 :             OXUndoEnvironment::OUndoEnvLock aLock(*this);
     460             :             try
     461             :             {
     462           0 :                 OReportPage* pPage = m_pImpl->m_rModel.getPage(uno::Reference< report::XSection >( *aFind, uno::UNO_QUERY_THROW ) );
     463             :                 OSL_ENSURE( pPage, "OXUndoEnvironment::elementRemoved: no page for the section!" );
     464           0 :                 if ( pPage )
     465           0 :                     pPage->removeSdrObject(xReportComponent);
     466             :             }
     467           0 :             catch(const uno::Exception&)
     468             :             {
     469             :                 DBG_UNHANDLED_EXCEPTION();
     470           0 :             }
     471             :         }
     472             :         else
     473             :         {
     474           0 :             uno::Reference< report::XFunctions> xFunctions(evt.Source,uno::UNO_QUERY);
     475           0 :             if ( xFunctions.is() )
     476             :             {
     477           0 :                 m_pImpl->m_rModel.GetSdrUndoManager()->AddUndoAction( new OUndoContainerAction(
     478           0 :                     m_pImpl->m_rModel, rptui::Removed, xFunctions.get(), xIface, RID_STR_UNDO_ADDFUNCTION ) );
     479           0 :             }
     480           0 :         }
     481             :     }
     482             : 
     483           0 :     if ( xIface.is() )
     484           0 :         RemoveElement(xIface);
     485             : 
     486           0 :     implSetModified();
     487           0 : }
     488             : 
     489             : //------------------------------------------------------------------------------
     490           0 : void SAL_CALL OXUndoEnvironment::modified( const EventObject& /*aEvent*/ ) throw (RuntimeException)
     491             : {
     492           0 :     implSetModified();
     493           0 : }
     494             : 
     495             : //------------------------------------------------------------------------------
     496           0 : void OXUndoEnvironment::AddSection(const Reference< report::XSection > & _xSection)
     497             : {
     498           0 :     OUndoEnvLock aLock(*this);
     499             :     try
     500             :     {
     501           0 :         uno::Reference<container::XChild> xChild = _xSection.get();
     502           0 :         uno::Reference<report::XGroup> xGroup(xChild->getParent(),uno::UNO_QUERY);
     503           0 :         m_pImpl->m_aSections.push_back(xChild);
     504           0 :         Reference< XInterface >  xInt(_xSection);
     505           0 :         AddElement(xInt);
     506             :     }
     507           0 :     catch(const uno::Exception&)
     508             :     {
     509             :         DBG_UNHANDLED_EXCEPTION();
     510           0 :     }
     511           0 : }
     512             : 
     513             : //------------------------------------------------------------------------------
     514           0 : void OXUndoEnvironment::RemoveSection(const Reference< report::XSection > & _xSection)
     515             : {
     516           0 :     OUndoEnvLock aLock(*this);
     517             :     try
     518             :     {
     519           0 :         uno::Reference<container::XChild> xChild(_xSection.get());
     520           0 :         m_pImpl->m_aSections.erase(::std::remove(m_pImpl->m_aSections.begin(),m_pImpl->m_aSections.end(),
     521           0 :             xChild), m_pImpl->m_aSections.end());
     522           0 :         Reference< XInterface >  xInt(_xSection);
     523           0 :         RemoveElement(xInt);
     524             :     }
     525           0 :     catch(uno::Exception&){}
     526           0 : }
     527             : 
     528             : //------------------------------------------------------------------------------
     529           0 : void OXUndoEnvironment::TogglePropertyListening(const Reference< XInterface > & Element)
     530             : {
     531             :     // am Container horchen
     532           0 :     Reference< XIndexAccess >  xContainer(Element, UNO_QUERY);
     533           0 :     if (xContainer.is())
     534             :     {
     535           0 :         Reference< XInterface > xInterface;
     536           0 :         sal_Int32 nCount = xContainer->getCount();
     537           0 :         for(sal_Int32 i = 0;i != nCount;++i)
     538             :         {
     539           0 :             xInterface.set(xContainer->getByIndex( i ),uno::UNO_QUERY);
     540           0 :             TogglePropertyListening(xInterface);
     541           0 :         }
     542             :     }
     543             : 
     544           0 :     Reference< XPropertySet >  xSet(Element, UNO_QUERY);
     545           0 :     if (xSet.is())
     546             :     {
     547           0 :         if (!m_pImpl->m_bReadOnly)
     548           0 :             xSet->addPropertyChangeListener( ::rtl::OUString(), this );
     549             :         else
     550           0 :             xSet->removePropertyChangeListener( ::rtl::OUString(), this );
     551           0 :     }
     552           0 : }
     553             : 
     554             : 
     555             : //------------------------------------------------------------------------------
     556           0 : void OXUndoEnvironment::switchListening( const Reference< XIndexAccess >& _rxContainer, bool _bStartListening ) SAL_THROW(())
     557             : {
     558             :     OSL_PRECOND( _rxContainer.is(), "OXUndoEnvironment::switchListening: invalid container!" );
     559           0 :     if ( !_rxContainer.is() )
     560           0 :         return;
     561             : 
     562             :     try
     563             :     {
     564             :         // also handle all children of this element
     565           0 :         Reference< XInterface > xInterface;
     566           0 :         sal_Int32 nCount = _rxContainer->getCount();
     567           0 :         for(sal_Int32 i = 0;i != nCount;++i)
     568             :         {
     569           0 :             xInterface.set(_rxContainer->getByIndex( i ),uno::UNO_QUERY);
     570           0 :             if ( _bStartListening )
     571           0 :                 AddElement( xInterface );
     572             :             else
     573           0 :                 RemoveElement( xInterface );
     574             :         }
     575             : 
     576             :         // be notified of any changes in the container elements
     577           0 :         Reference< XContainer > xSimpleContainer( _rxContainer, UNO_QUERY );
     578           0 :         if ( xSimpleContainer.is() )
     579             :         {
     580           0 :             if ( _bStartListening )
     581           0 :                 xSimpleContainer->addContainerListener( this );
     582             :             else
     583           0 :                 xSimpleContainer->removeContainerListener( this );
     584           0 :         }
     585             :     }
     586           0 :     catch( const Exception& )
     587             :     {
     588             :         DBG_UNHANDLED_EXCEPTION();
     589             :     }
     590             : }
     591             : 
     592             : //------------------------------------------------------------------------------
     593           0 : void OXUndoEnvironment::switchListening( const Reference< XInterface >& _rxObject, bool _bStartListening ) SAL_THROW(())
     594             : {
     595             :     OSL_PRECOND( _rxObject.is(), "OXUndoEnvironment::switchListening: how should I listen at a NULL object?" );
     596             : 
     597             :     try
     598             :     {
     599           0 :         if ( !m_pImpl->m_bReadOnly )
     600             :         {
     601           0 :             Reference< XPropertySet > xProps( _rxObject, UNO_QUERY );
     602           0 :             if ( xProps.is() )
     603             :             {
     604           0 :                 if ( _bStartListening )
     605           0 :                     xProps->addPropertyChangeListener( ::rtl::OUString(), this );
     606             :                 else
     607           0 :                     xProps->removePropertyChangeListener( ::rtl::OUString(), this );
     608           0 :             }
     609             :         }
     610             : 
     611           0 :         Reference< XModifyBroadcaster > xBroadcaster( _rxObject, UNO_QUERY );
     612           0 :         if ( xBroadcaster.is() )
     613             :         {
     614           0 :             if ( _bStartListening )
     615           0 :                 xBroadcaster->addModifyListener( this );
     616             :             else
     617           0 :                 xBroadcaster->removeModifyListener( this );
     618           0 :         }
     619             :     }
     620           0 :     catch( const Exception& )
     621             :     {
     622             :     }
     623           0 : }
     624             : 
     625             : //------------------------------------------------------------------------------
     626           0 : void OXUndoEnvironment::AddElement(const Reference< XInterface >& _rxElement )
     627             : {
     628           0 :     if ( !IsLocked() )
     629           0 :         m_pImpl->m_aFormatNormalizer.notifyElementInserted( _rxElement );
     630             : 
     631             :     // if it's a container, start listening at all elements
     632           0 :     Reference< XIndexAccess > xContainer( _rxElement, UNO_QUERY );
     633           0 :     if ( xContainer.is() )
     634           0 :         switchListening( xContainer, true );
     635             : 
     636           0 :     switchListening( _rxElement, true );
     637           0 : }
     638             : 
     639             : //------------------------------------------------------------------------------
     640           0 : void OXUndoEnvironment::RemoveElement(const Reference< XInterface >& _rxElement)
     641             : {
     642           0 :     uno::Reference<beans::XPropertySet> xProp(_rxElement,uno::UNO_QUERY);
     643           0 :     if (!m_pImpl->m_aPropertySetCache.empty())
     644           0 :         m_pImpl->m_aPropertySetCache.erase(xProp);
     645           0 :     switchListening( _rxElement, false );
     646             : 
     647           0 :     Reference< XIndexAccess > xContainer( _rxElement, UNO_QUERY );
     648           0 :     if ( xContainer.is() )
     649           0 :         switchListening( xContainer, false );
     650           0 : }
     651             : 
     652           0 : void OXUndoEnvironment::SetUndoMode(sal_Bool _bUndo)
     653             : {
     654           0 :     m_pImpl->m_bIsUndo = _bUndo;
     655           0 : }
     656             : 
     657           0 : sal_Bool OXUndoEnvironment::IsUndoMode() const
     658             : {
     659           0 :     return m_pImpl->m_bIsUndo;
     660             : }
     661             : //============================================================================
     662             : } // rptui
     663             : //============================================================================
     664             : 
     665             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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