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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /reportdesign/source/ui/inspection/DataProviderHandler.cxx
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'reportdesign/source/ui/inspection/DataProviderHandler.cxx')
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diff --git a/reportdesign/source/ui/inspection/DataProviderHandler.cxx b/reportdesign/source/ui/inspection/DataProviderHandler.cxx
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+/* -*- 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 <string_view>
+
+#include <DataProviderHandler.hxx>
+#include <comphelper/namedvaluecollection.hxx>
+#include <comphelper/sequence.hxx>
+#include <comphelper/types.hxx>
+#include <comphelper/propertysequence.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <strings.hxx>
+#include <com/sun/star/form/inspection/FormComponentPropertyHandler.hpp>
+#include <com/sun/star/inspection/PropertyControlType.hpp>
+#include <com/sun/star/inspection/PropertyLineElement.hpp>
+#include <com/sun/star/lang/NullPointerException.hpp>
+#include <com/sun/star/chart/ChartDataRowSource.hpp>
+#include <com/sun/star/chart2/FormattedString.hpp>
+#include <com/sun/star/chart2/XTitled.hpp>
+#include <com/sun/star/chart2/XTitle.hpp>
+#include <com/sun/star/chart2/data/XDataReceiver.hpp>
+#include <com/sun/star/ui/dialogs/XExecutableDialog.hpp>
+#include <com/sun/star/report/XReportDefinition.hpp>
+#include <com/sun/star/script/Converter.hpp>
+#include <com/sun/star/container/XNameContainer.hpp>
+#include <metadata.hxx>
+#include <osl/mutex.hxx>
+#include <tools/diagnose_ex.h>
+#include <core_resource.hxx>
+#include <helpids.h>
+#include <strings.hrc>
+#include <PropertyForward.hxx>
+
+namespace rptui
+{
+
+using namespace ::com::sun::star;
+
+DataProviderHandler::DataProviderHandler(uno::Reference< uno::XComponentContext > const & context)
+ :DataProviderHandler_Base(m_aMutex)
+ ,m_xContext(context)
+{
+ try
+ {
+ m_xFormComponentHandler = form::inspection::FormComponentPropertyHandler::create(m_xContext);
+ m_xTypeConverter = script::Converter::create(m_xContext);
+
+ }catch(const uno::Exception &)
+ {
+ }
+}
+
+OUString SAL_CALL DataProviderHandler::getImplementationName( )
+{
+ return "com.sun.star.comp.report.DataProviderHandler";
+}
+
+sal_Bool SAL_CALL DataProviderHandler::supportsService( const OUString& ServiceName )
+{
+ return cppu::supportsService(this, ServiceName);
+}
+
+uno::Sequence< OUString > SAL_CALL DataProviderHandler::getSupportedServiceNames( )
+{
+ return { "com.sun.star.report.inspection.DataProviderHandler" };
+}
+
+// override WeakComponentImplHelperBase::disposing()
+// This function is called upon disposing the component,
+// if your component needs special work when it becomes
+// disposed, do it here.
+void SAL_CALL DataProviderHandler::disposing()
+{
+ ::comphelper::disposeComponent(m_xFormComponentHandler);
+ ::comphelper::disposeComponent( m_xMasterDetails );
+ ::comphelper::disposeComponent(m_xTypeConverter);
+}
+void SAL_CALL DataProviderHandler::addEventListener(const uno::Reference< lang::XEventListener > & xListener)
+{
+ m_xFormComponentHandler->addEventListener(xListener);
+}
+
+void SAL_CALL DataProviderHandler::removeEventListener(const uno::Reference< lang::XEventListener > & aListener)
+{
+ m_xFormComponentHandler->removeEventListener(aListener);
+}
+
+// inspection::XPropertyHandler:
+
+/********************************************************************************/
+void SAL_CALL DataProviderHandler::inspect(const uno::Reference< uno::XInterface > & Component)
+{
+ try
+ {
+ uno::Reference< container::XNameContainer > xNameCont(Component,uno::UNO_QUERY);
+ static const OUStringLiteral sFormComponent(u"FormComponent");
+ if ( xNameCont->hasByName(sFormComponent) )
+ {
+ uno::Reference<beans::XPropertySet> xProp(xNameCont->getByName(sFormComponent),uno::UNO_QUERY);
+ static const OUStringLiteral sModel(u"Model");
+ if ( xProp.is() && xProp->getPropertySetInfo()->hasPropertyByName(sModel) )
+ {
+ m_xChartModel.set(xProp->getPropertyValue(sModel),uno::UNO_QUERY);
+ if ( m_xChartModel.is() )
+ m_xFormComponent = m_xChartModel->getDataProvider();
+ }
+ }
+ m_xDataProvider.set(m_xFormComponent,uno::UNO_QUERY);
+ m_xReportComponent.set( xNameCont->getByName("ReportComponent"), uno::UNO_QUERY );
+ if ( m_xDataProvider.is() )
+ {
+ auto aNoConverter = std::make_shared<AnyConverter>();
+ TPropertyNamePair aPropertyMediation;
+ aPropertyMediation.emplace( PROPERTY_MASTERFIELDS, TPropertyConverter(PROPERTY_MASTERFIELDS,aNoConverter) );
+ aPropertyMediation.emplace( PROPERTY_DETAILFIELDS, TPropertyConverter(PROPERTY_DETAILFIELDS,aNoConverter) );
+
+ m_xMasterDetails = new OPropertyMediator( m_xDataProvider, m_xReportComponent, std::move(aPropertyMediation), true );
+ }
+ }
+ catch(const uno::Exception &)
+ {
+ throw lang::NullPointerException();
+ }
+ if ( m_xFormComponent.is() )
+ {
+ m_xFormComponentHandler->inspect(m_xFormComponent);
+ }
+}
+
+uno::Any SAL_CALL DataProviderHandler::getPropertyValue(const OUString & PropertyName)
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ uno::Any aPropertyValue;
+ const sal_Int32 nId = OPropertyInfoService::getPropertyId(PropertyName);
+ switch(nId)
+ {
+ case PROPERTY_ID_CHARTTYPE:
+ // TODO: We need a possibility to get the UI of the selected chart type
+ // LEM: this business of ignoring ChartType seems very fishy!
+ //if( m_xChartModel.is() )
+ //{
+ // uno::Reference< chart2::XDiagram > xDiagram( m_xChartModel->getFirstDiagram() );
+ // if( xDiagram.is() )
+ // {
+ // OUString sChartTypes;
+ // uno::Reference< chart2::XCoordinateSystemContainer > xCooSysCnt( xDiagram, uno::UNO_QUERY_THROW );
+ // const uno::Sequence< uno::Reference< chart2::XCoordinateSystem > > aCooSysSeq( xCooSysCnt->getCoordinateSystems());
+ // const uno::Reference< chart2::XCoordinateSystem >* pIter = aCooSysSeq.getConstArray();
+ // const uno::Reference< chart2::XCoordinateSystem >* pEnd = pIter + aCooSysSeq.getLength();
+ // for(;pIter != pEnd;++pIter)
+ // {
+ // const uno::Reference< chart2::XChartTypeContainer > xCTCnt( *pIter, uno::UNO_QUERY_THROW );
+ // const uno::Sequence< uno::Reference< chart2::XChartType > > aCTSeq( xCTCnt->getChartTypes());
+ // const uno::Reference< chart2::XChartType >* pChartTypeIter = aCTSeq.getConstArray();
+ // const uno::Reference< chart2::XChartType >* pChartTypeEnd = pChartTypeIter + aCTSeq.getLength();
+ // for(;pChartTypeIter != pChartTypeEnd;++pChartTypeIter)
+ // {
+ // sChartTypes += (*pChartTypeIter)->getChartType();
+ // sChartTypes += ";";
+ // }
+ // }
+ // aPropertyValue;// <<= sChartTypes;
+ // }
+ //}
+ break;
+ case PROPERTY_ID_PREVIEW_COUNT:
+ if (m_xDataProvider) // tdf#117159 crash with chart in database report otherwise
+ aPropertyValue <<= m_xDataProvider->getRowLimit();
+ break;
+ default:
+ aPropertyValue = m_xFormComponentHandler->getPropertyValue( PropertyName );
+ break;
+ }
+ return aPropertyValue;
+}
+
+void SAL_CALL DataProviderHandler::setPropertyValue(const OUString & PropertyName, const uno::Any & Value)
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ const sal_Int32 nId = OPropertyInfoService::getPropertyId(PropertyName);
+ switch(nId)
+ {
+ case PROPERTY_ID_CHARTTYPE:
+ break;
+ case PROPERTY_ID_PREVIEW_COUNT:
+ m_xDataProvider->setPropertyValue(PropertyName,Value);
+ break;
+ default:
+ m_xFormComponentHandler->setPropertyValue(PropertyName, Value);
+ break;
+ }
+}
+
+void DataProviderHandler::impl_updateChartTitle_throw(const uno::Any& _aValue)
+{
+ uno::Reference<chart2::XTitled> xTitled(m_xChartModel,uno::UNO_QUERY);
+ if ( !xTitled.is() )
+ return;
+
+ uno::Reference<chart2::XTitle> xTitle = xTitled->getTitleObject();
+ if ( !xTitle.is() )
+ {
+ xTitle.set(m_xContext->getServiceManager()->createInstanceWithContext("com.sun.star.chart2.Title",m_xContext),uno::UNO_QUERY);
+ xTitled->setTitleObject(xTitle);
+ }
+ if ( xTitle.is() )
+ {
+ uno::Reference< chart2::XFormattedString2> xFormatted = chart2::FormattedString::create(m_xContext);
+ OUString sStr;
+ _aValue >>= sStr;
+ xFormatted->setString(sStr);
+ xTitle->setText({ xFormatted });
+ }
+}
+
+beans::PropertyState SAL_CALL DataProviderHandler::getPropertyState(const OUString & PropertyName)
+{
+ return m_xFormComponentHandler->getPropertyState(PropertyName);
+}
+
+inspection::LineDescriptor SAL_CALL DataProviderHandler::describePropertyLine(const OUString & PropertyName, const uno::Reference< inspection::XPropertyControlFactory > & _xControlFactory)
+{
+ inspection::LineDescriptor aOut;
+ const sal_Int32 nId = OPropertyInfoService::getPropertyId(PropertyName);
+ switch(nId)
+ {
+ case PROPERTY_ID_CHARTTYPE:
+ aOut.PrimaryButtonId = UID_RPT_PROP_CHARTTYPE_DLG;
+ aOut.Control = _xControlFactory->createPropertyControl(inspection::PropertyControlType::TextField , true);
+ aOut.HasPrimaryButton = true;
+ break;
+ case PROPERTY_ID_PREVIEW_COUNT:
+ aOut.Control = _xControlFactory->createPropertyControl(inspection::PropertyControlType::NumericField , false);
+ break;
+ case PROPERTY_ID_MASTERFIELDS:
+ case PROPERTY_ID_DETAILFIELDS:
+ aOut.Control = _xControlFactory->createPropertyControl(inspection::PropertyControlType::StringListField , false);
+ aOut.PrimaryButtonId = UID_RPT_PROP_DLG_LINKFIELDS;
+ aOut.HasPrimaryButton = true;
+ break;
+ default:
+ aOut = m_xFormComponentHandler->describePropertyLine(PropertyName, _xControlFactory);
+ }
+ if ( nId != -1 )
+ {
+ aOut.Category = (OPropertyInfoService::getPropertyUIFlags(nId ) & PropUIFlags::DataProperty) ?
+ std::u16string_view(u"Data")
+ :
+ std::u16string_view(u"General");
+ aOut.HelpURL = HelpIdUrl::getHelpURL( OPropertyInfoService::getPropertyHelpId( nId ) );
+ aOut.DisplayName = OPropertyInfoService::getPropertyTranslation(nId);
+ }
+ return aOut;
+}
+
+uno::Any SAL_CALL DataProviderHandler::convertToPropertyValue(const OUString & _rPropertyValue, const uno::Any & _rControlValue)
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+ uno::Any aPropertyValue( _rControlValue );
+ const sal_Int32 nId = OPropertyInfoService::getPropertyId(_rPropertyValue);
+ switch(nId)
+ {
+ case PROPERTY_ID_CHARTTYPE:
+ break;
+ case PROPERTY_ID_PREVIEW_COUNT:
+ try
+ {
+ aPropertyValue = m_xTypeConverter->convertTo( _rControlValue, ::cppu::UnoType<sal_Int32>::get());
+ }
+ catch( const uno::Exception& )
+ {
+ TOOLS_WARN_EXCEPTION( "reportdesign", "DataProviderHandler::convertToPropertyValue: caught an exception while converting via TypeConverter!" );
+ }
+ break;
+ case PROPERTY_ID_MASTERFIELDS:
+ case PROPERTY_ID_DETAILFIELDS:
+ break;
+ default:
+ aPropertyValue = m_xFormComponentHandler->convertToPropertyValue(_rPropertyValue, _rControlValue);
+ }
+ return aPropertyValue;
+}
+
+uno::Any SAL_CALL DataProviderHandler::convertToControlValue(const OUString & _rPropertyName, const uno::Any & _rPropertyValue, const uno::Type & ControlValueType)
+{
+ uno::Any aControlValue( _rPropertyValue );
+ if ( !aControlValue.hasValue() )
+ // NULL is converted to NULL
+ return aControlValue;
+
+ ::osl::MutexGuard aGuard( m_aMutex );
+ const sal_Int32 nId = OPropertyInfoService::getPropertyId(_rPropertyName);
+ switch(nId)
+ {
+ case PROPERTY_ID_CHARTTYPE:
+ break;
+ case PROPERTY_ID_MASTERFIELDS:
+ case PROPERTY_ID_DETAILFIELDS:
+ case PROPERTY_ID_PREVIEW_COUNT:
+ try
+ {
+ aControlValue = m_xTypeConverter->convertTo( _rPropertyValue, ControlValueType);
+ }
+ catch( const uno::Exception& )
+ {
+ TOOLS_WARN_EXCEPTION( "reportdesign", "GeometryHandler::convertToPropertyValue: caught an exception while converting via TypeConverter!" );
+ }
+ break;
+ default:
+ aControlValue = m_xFormComponentHandler->convertToControlValue(_rPropertyName, _rPropertyValue, ControlValueType);
+ }
+ return aControlValue;
+}
+
+void SAL_CALL DataProviderHandler::addPropertyChangeListener(const uno::Reference< beans::XPropertyChangeListener > & Listener)
+{
+ m_xFormComponentHandler->addPropertyChangeListener(Listener);
+}
+
+void SAL_CALL DataProviderHandler::removePropertyChangeListener(const uno::Reference< beans::XPropertyChangeListener > & _rxListener)
+{
+ m_xFormComponentHandler->removePropertyChangeListener(_rxListener);
+}
+
+uno::Sequence< beans::Property > SAL_CALL DataProviderHandler::getSupportedProperties()
+{
+ ::std::vector< beans::Property > aNewProps;
+ if( m_xChartModel.is() )
+ {
+ rptui::OPropertyInfoService::getExcludeProperties( aNewProps, m_xFormComponentHandler );
+ beans::Property aValue;
+ static const std::u16string_view s_pProperties[] =
+ {
+ u"" PROPERTY_CHARTTYPE
+ ,u"" PROPERTY_MASTERFIELDS
+ ,u"" PROPERTY_DETAILFIELDS
+ ,u"" PROPERTY_PREVIEW_COUNT
+ };
+
+ for (const auto & rName : s_pProperties)
+ {
+ aValue.Name = rName;
+ aNewProps.push_back(aValue);
+ }
+ }
+ return uno::Sequence< beans::Property >(aNewProps.data(), aNewProps.size());
+}
+
+uno::Sequence< OUString > SAL_CALL DataProviderHandler::getSupersededProperties()
+{
+ uno::Sequence< OUString > aRet { PROPERTY_TITLE }; // have a look at OPropertyInfoService::getExcludeProperties
+ return aRet;
+}
+
+uno::Sequence< OUString > SAL_CALL DataProviderHandler::getActuatingProperties()
+{
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ uno::Sequence< OUString > aSeq { PROPERTY_TITLE };
+ return ::comphelper::concatSequences(m_xFormComponentHandler->getActuatingProperties(),aSeq);
+}
+
+sal_Bool SAL_CALL DataProviderHandler::isComposable( const OUString& _rPropertyName )
+{
+ return OPropertyInfoService::isComposable( _rPropertyName, m_xFormComponentHandler );
+}
+
+inspection::InteractiveSelectionResult SAL_CALL DataProviderHandler::onInteractivePropertySelection(const OUString & PropertyName, sal_Bool Primary, uno::Any & out_Data, const uno::Reference< inspection::XObjectInspectorUI > & _rxInspectorUI)
+{
+ if ( !_rxInspectorUI.is() )
+ throw lang::NullPointerException();
+
+ inspection::InteractiveSelectionResult eResult = inspection::InteractiveSelectionResult_Cancelled;
+ ::osl::ClearableMutexGuard aGuard( m_aMutex );
+
+ const sal_Int32 nId = OPropertyInfoService::getPropertyId(PropertyName);
+ switch(nId)
+ {
+ case PROPERTY_ID_CHARTTYPE:
+ if ( impl_dialogChartType_nothrow(aGuard) )
+ eResult = inspection::InteractiveSelectionResult_ObtainedValue;
+ break;
+ case PROPERTY_ID_MASTERFIELDS:
+ case PROPERTY_ID_DETAILFIELDS:
+ if ( impl_dialogLinkedFields_nothrow( aGuard ) )
+ eResult = inspection::InteractiveSelectionResult_Success;
+ break;
+ default:
+ eResult = m_xFormComponentHandler->onInteractivePropertySelection(PropertyName, Primary, out_Data, _rxInspectorUI);
+ }
+
+ return eResult;
+}
+
+void SAL_CALL DataProviderHandler::actuatingPropertyChanged(const OUString & ActuatingPropertyName, const uno::Any & NewValue, const uno::Any & OldValue, const uno::Reference< inspection::XObjectInspectorUI > & InspectorUI, sal_Bool FirstTimeInit)
+{
+ osl::MutexGuard aGuard( m_aMutex );
+
+ if ( ActuatingPropertyName == PROPERTY_COMMAND )
+ {
+ if ( NewValue != OldValue )
+ {
+ uno::Reference< report::XReportDefinition> xReport = m_xReportComponent->getSection()->getReportDefinition();
+ bool bDoEnableMasterDetailFields = xReport.is() && !xReport->getCommand().isEmpty() && !m_xDataProvider->getCommand().isEmpty();
+ InspectorUI->enablePropertyUIElements( PROPERTY_DETAILFIELDS, inspection::PropertyLineElement::PrimaryButton, bDoEnableMasterDetailFields );
+ InspectorUI->enablePropertyUIElements( PROPERTY_MASTERFIELDS, inspection::PropertyLineElement::PrimaryButton, bDoEnableMasterDetailFields );
+
+ bool bModified = xReport->isModified();
+ // this fills the chart again
+ ::comphelper::NamedValueCollection aArgs;
+ aArgs.put( "CellRangeRepresentation", uno::Any( OUString( "all" ) ) );
+ aArgs.put( "HasCategories", uno::Any( true ) );
+ aArgs.put( "FirstCellAsLabel", uno::Any( true ) );
+ aArgs.put( "DataRowSource", uno::Any( chart::ChartDataRowSource_COLUMNS ) );
+ uno::Reference< chart2::data::XDataReceiver > xReceiver(m_xChartModel,uno::UNO_QUERY_THROW);
+ xReceiver->setArguments( aArgs.getPropertyValues() );
+ if ( !bModified )
+ xReport->setModified(false);
+ }
+ m_xFormComponentHandler->actuatingPropertyChanged(ActuatingPropertyName, NewValue, OldValue, InspectorUI, FirstTimeInit);
+ }
+ else if ( ActuatingPropertyName == PROPERTY_TITLE )
+ {
+ if ( NewValue != OldValue )
+ impl_updateChartTitle_throw(NewValue);
+ }
+ else
+ {
+ const sal_Int32 nId = OPropertyInfoService::getPropertyId(ActuatingPropertyName);
+ switch(nId)
+ {
+
+ case PROPERTY_ID_MASTERFIELDS:
+ break;
+ case PROPERTY_ID_DETAILFIELDS:
+ break;
+ default:
+ m_xFormComponentHandler->actuatingPropertyChanged(ActuatingPropertyName, NewValue, OldValue, InspectorUI, FirstTimeInit);
+ }
+ }
+}
+
+sal_Bool SAL_CALL DataProviderHandler::suspend(sal_Bool Suspend)
+{
+ return m_xFormComponentHandler->suspend(Suspend);
+}
+bool DataProviderHandler::impl_dialogLinkedFields_nothrow( ::osl::ClearableMutexGuard& _rClearBeforeDialog ) const
+{
+ uno::Sequence<uno::Any> aSeq(comphelper::InitAnyPropertySequence(
+ {
+ {"ParentWindow", m_xContext->getValueByName("DialogParentWindow")},
+ {"Detail", uno::Any(m_xDataProvider)},
+ {"Master", uno::Any(m_xReportComponent->getSection()->getReportDefinition())},
+ {"Explanation", uno::Any(RptResId(TranslateId(nullptr, RID_STR_EXPLANATION)))},
+ {"DetailLabel", uno::Any(RptResId(RID_STR_DETAILLABEL))},
+ {"MasterLabel", uno::Any(RptResId(RID_STR_MASTERLABEL))},
+ }));
+
+ uno::Reference< ui::dialogs::XExecutableDialog > xDialog(
+ m_xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
+ "org.openoffice.comp.form.ui.MasterDetailLinkDialog", aSeq, m_xContext),
+ uno::UNO_QUERY);
+
+ _rClearBeforeDialog.clear();
+ return ( xDialog->execute() != 0 );
+}
+
+bool DataProviderHandler::impl_dialogChartType_nothrow( ::osl::ClearableMutexGuard& _rClearBeforeDialog ) const
+{
+ uno::Sequence<uno::Any> aSeq(comphelper::InitAnyPropertySequence(
+ {
+ {"ParentWindow", m_xContext->getValueByName("DialogParentWindow")},
+ {"ChartModel", uno::Any(m_xChartModel)}
+ }));
+
+ uno::Reference< ui::dialogs::XExecutableDialog > xDialog(
+ m_xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
+ "com.sun.star.comp.chart2.ChartTypeDialog", aSeq, m_xContext),
+ uno::UNO_QUERY);
+
+ _rClearBeforeDialog.clear();
+ return ( xDialog->execute() != 0 );
+}
+
+} // namespace rptui
+
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+reportdesign_DataProviderHandler_get_implementation(
+ css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
+{
+ return cppu::acquire(new rptui::DataProviderHandler(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */