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Diffstat (limited to 'reportdesign/source/ui/report/ReportControllerObserver.cxx')
| -rw-r--r-- | reportdesign/source/ui/report/ReportControllerObserver.cxx | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/reportdesign/source/ui/report/ReportControllerObserver.cxx b/reportdesign/source/ui/report/ReportControllerObserver.cxx new file mode 100644 index 000000000..79afb9c04 --- /dev/null +++ b/reportdesign/source/ui/report/ReportControllerObserver.cxx @@ -0,0 +1,342 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> + +#include <map> + +#include <ReportControllerObserver.hxx> +#include <ReportController.hxx> +#include <osl/mutex.hxx> +#include <vcl/svapp.hxx> +#include <vcl/settings.hxx> + +#include <FormattedFieldBeautifier.hxx> + +// DBG_UNHANDLED_EXCEPTION +#include <tools/diagnose_ex.h> + +namespace rptui +{ + + using namespace ::com::sun::star; + +typedef std::map<OUString, bool> AllProperties; +typedef std::map<uno::Reference< beans::XPropertySet >, AllProperties> PropertySetInfoCache; + +class OXReportControllerObserverImpl +{ +public: + ::std::vector< uno::Reference< container::XChild> > m_aSections; + ::osl::Mutex m_aMutex; + oslInterlockedCount m_nLocks; + + explicit OXReportControllerObserverImpl(); + OXReportControllerObserverImpl(const OXReportControllerObserverImpl&) = delete; + OXReportControllerObserverImpl& operator=(const OXReportControllerObserverImpl&) = delete; +}; + + + OXReportControllerObserverImpl::OXReportControllerObserverImpl() + :m_nLocks(0) + { + } + + + OXReportControllerObserver::OXReportControllerObserver(const OReportController& _rController) + :m_pImpl(new OXReportControllerObserverImpl ) + ,m_aFormattedFieldBeautifier(_rController) + ,m_aFixedTextColor(_rController) + { + + Application::AddEventListener(LINK( this, OXReportControllerObserver, SettingsChanged ) ); + } + + OXReportControllerObserver::~OXReportControllerObserver() + { + Application::RemoveEventListener(LINK( this, OXReportControllerObserver, SettingsChanged ) ); + } + + + IMPL_LINK(OXReportControllerObserver, SettingsChanged, VclSimpleEvent&, _rEvt, void) + { + VclEventId nEvent = _rEvt.GetId(); + + if (nEvent != VclEventId::ApplicationDataChanged ) + return; + + DataChangedEvent* pData = static_cast<DataChangedEvent*>(static_cast<VclWindowEvent&>(_rEvt).GetData()); + if ( !(pData && ((( pData->GetType() == DataChangedEventType::SETTINGS ) || + ( pData->GetType() == DataChangedEventType::DISPLAY )) && + ( pData->GetFlags() & AllSettingsFlags::STYLE )))) + return; + + OEnvLock aLock(*this); + + // send all Section Objects a 'tingle' + // maybe they need a change in format, color, etc + for (const uno::Reference<container::XChild>& xChild : m_pImpl->m_aSections) + { + if (xChild.is()) + { + uno::Reference<report::XSection> xSection(xChild, uno::UNO_QUERY); + if (xSection.is()) + { + const sal_Int32 nCount = xSection->getCount(); + for (sal_Int32 i = 0; i < nCount; ++i) + { + const uno::Any aObj = xSection->getByIndex(i); + uno::Reference < report::XReportComponent > xReportComponent(aObj, uno::UNO_QUERY); + if (xReportComponent.is()) + { + m_aFormattedFieldBeautifier.handle(xReportComponent); + m_aFixedTextColor.handle(xReportComponent); + } + } + } + } + } + } + + // XEventListener + void SAL_CALL OXReportControllerObserver::disposing(const lang::EventObject& e) + { + // check if it's an object we have cached information about + uno::Reference< beans::XPropertySet > xSourceSet(e.Source, uno::UNO_QUERY); + if ( xSourceSet.is() ) + { + uno::Reference< report::XSection> xSection(xSourceSet,uno::UNO_QUERY); + if ( xSection.is() ) + RemoveSection(xSection); + else + RemoveElement(xSourceSet); + } + } + + void OXReportControllerObserver::Clear() + { + OEnvLock aLock(*this); + m_pImpl->m_aSections.clear(); + } + + // XPropertyChangeListener + void SAL_CALL OXReportControllerObserver::propertyChange(const beans::PropertyChangeEvent& _rEvent) + { + osl::MutexGuard aGuard( m_pImpl->m_aMutex ); + + if ( m_pImpl->m_nLocks != 0 ) + return; + + m_aFormattedFieldBeautifier.notifyPropertyChange(_rEvent); + m_aFixedTextColor.notifyPropertyChange(_rEvent); + } + + +void OXReportControllerObserver::Lock() +{ + OSL_ENSURE(m_refCount,"Illegal call to dead object!"); + osl_atomic_increment( &m_pImpl->m_nLocks ); +} + +void OXReportControllerObserver::UnLock() +{ + OSL_ENSURE(m_refCount,"Illegal call to dead object!"); + + osl_atomic_decrement( &m_pImpl->m_nLocks ); +} + +void OXReportControllerObserver::AddSection(const uno::Reference< report::XSection > & _xSection) +{ + OEnvLock aLock(*this); + try + { + uno::Reference<container::XChild> xChild = _xSection.get(); + m_pImpl->m_aSections.push_back(xChild); + uno::Reference< uno::XInterface > xInt(_xSection); + AddElement(xInt); + } + catch(const uno::Exception&) + { + DBG_UNHANDLED_EXCEPTION("reportdesign"); + } +} + + +void OXReportControllerObserver::RemoveSection(const uno::Reference< report::XSection > & _xSection) +{ + OEnvLock aLock(*this); + try + { + uno::Reference<container::XChild> xChild(_xSection.get()); + m_pImpl->m_aSections.erase(::std::remove(m_pImpl->m_aSections.begin(),m_pImpl->m_aSections.end(), + xChild), m_pImpl->m_aSections.end()); + uno::Reference< uno::XInterface > xInt(_xSection); + RemoveElement(xInt); + } + catch(uno::Exception&) + { + DBG_UNHANDLED_EXCEPTION("reportdesign"); + } +} + + +void OXReportControllerObserver::switchListening( const uno::Reference< container::XIndexAccess >& _rxContainer, bool _bStartListening ) +{ + OSL_PRECOND( _rxContainer.is(), "OXReportControllerObserver::switchListening: invalid container!" ); + if ( !_rxContainer.is() ) + return; + + try + { + // also handle all children of this element + uno::Reference< uno::XInterface > xInterface; + sal_Int32 nCount = _rxContainer->getCount(); + for(sal_Int32 i = 0;i != nCount;++i) + { + xInterface.set(_rxContainer->getByIndex( i ),uno::UNO_QUERY); + if ( _bStartListening ) + AddElement( xInterface ); + else + RemoveElement( xInterface ); + } + + // be notified of any changes in the container elements + uno::Reference< container::XContainer > xSimpleContainer( _rxContainer, uno::UNO_QUERY ); + if ( xSimpleContainer.is() ) + { + if ( _bStartListening ) + xSimpleContainer->addContainerListener( this ); + else + xSimpleContainer->removeContainerListener( this ); + } + } + catch( const uno::Exception& ) + { + DBG_UNHANDLED_EXCEPTION("reportdesign"); + } +} + + +void OXReportControllerObserver::switchListening( const uno::Reference< uno::XInterface >& _rxObject, bool _bStartListening ) +{ + OSL_PRECOND( _rxObject.is(), "OXReportControllerObserver::switchListening: how should I listen at a NULL object?" ); + + try + { + uno::Reference< beans::XPropertySet > xProps( _rxObject, uno::UNO_QUERY ); + if ( xProps.is() ) + { + if ( _bStartListening ) + xProps->addPropertyChangeListener( OUString(), this ); + else + xProps->removePropertyChangeListener( OUString(), this ); + } + + uno::Reference< util::XModifyBroadcaster > xBroadcaster( _rxObject, uno::UNO_QUERY ); + if ( xBroadcaster.is() ) + { + if ( _bStartListening ) + xBroadcaster->addModifyListener( this ); + else + xBroadcaster->removeModifyListener( this ); + } + } + catch( const uno::Exception& ) + { + DBG_UNHANDLED_EXCEPTION("reportdesign"); + } +} + + +void SAL_CALL OXReportControllerObserver::modified( const lang::EventObject& /*aEvent*/ ) +{ +} + + +void OXReportControllerObserver::AddElement(const uno::Reference< uno::XInterface >& _rxElement ) +{ + m_aFormattedFieldBeautifier.notifyElementInserted(_rxElement); + m_aFixedTextColor.notifyElementInserted(_rxElement); + + // if it's a container, start listening at all elements + uno::Reference< container::XIndexAccess > xContainer( _rxElement, uno::UNO_QUERY ); + if ( xContainer.is() ) + switchListening( xContainer, true ); + + switchListening( _rxElement, true ); +} + + +void OXReportControllerObserver::RemoveElement(const uno::Reference< uno::XInterface >& _rxElement) +{ + switchListening( _rxElement, false ); + + uno::Reference< container::XIndexAccess > xContainer( _rxElement, uno::UNO_QUERY ); + if ( xContainer.is() ) + switchListening( xContainer, false ); +} + + +// XContainerListener + +void SAL_CALL OXReportControllerObserver::elementInserted(const container::ContainerEvent& evt) +{ + SolarMutexGuard aSolarGuard; + ::osl::MutexGuard aGuard( m_pImpl->m_aMutex ); + + // new listener object + uno::Reference< uno::XInterface > xIface( evt.Element, uno::UNO_QUERY ); + if ( xIface.is() ) + { + AddElement(xIface); + } +} + + +void SAL_CALL OXReportControllerObserver::elementReplaced(const container::ContainerEvent& evt) +{ + SolarMutexGuard aSolarGuard; + ::osl::MutexGuard aGuard( m_pImpl->m_aMutex ); + + uno::Reference< uno::XInterface > xIface(evt.ReplacedElement,uno::UNO_QUERY); + OSL_ENSURE(xIface.is(), "OXReportControllerObserver::elementReplaced: invalid container notification!"); + RemoveElement(xIface); + + xIface.set(evt.Element,uno::UNO_QUERY); + AddElement(xIface); +} + + +void SAL_CALL OXReportControllerObserver::elementRemoved(const container::ContainerEvent& evt) +{ + SolarMutexGuard aSolarGuard; + ::osl::MutexGuard aGuard( m_pImpl->m_aMutex ); + + uno::Reference< uno::XInterface > xIface( evt.Element, uno::UNO_QUERY ); + if ( xIface.is() ) + { + RemoveElement(xIface); + } +} + + +} // namespace rptui + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |