Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 928 insertions, 0 deletions

diff --git a/toolkit/source/controls/grid/sortablegriddatamodel.cxx b/toolkit/source/controls/grid/sortablegriddatamodel.cxx
new file mode 100644
index 000000000..6269d727d
--- /dev/null
+++ b/toolkit/source/controls/grid/sortablegriddatamodel.cxx
@@ -0,0 +1,928 @@
+/* -*- 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 <memory>
+#include <com/sun/star/i18n/Collator.hpp>
+#include <com/sun/star/i18n/XCollator.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/lang/NotInitializedException.hpp>
+#include <com/sun/star/ucb/AlreadyInitializedException.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/awt/grid/XGridDataListener.hpp>
+#include <com/sun/star/awt/grid/XSortableMutableGridDataModel.hpp>
+
+#include <cppuhelper/basemutex.hxx>
+#include <cppuhelper/compbase.hxx>
+#include <cppuhelper/implbase1.hxx>
+#include <comphelper/anycompare.hxx>
+#include <comphelper/componentguard.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <tools/diagnose_ex.h>
+#include <i18nlangtag/languagetag.hxx>
+#include <o3tl/safeint.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/settings.hxx>
+
+using namespace css::awt;
+using namespace css::awt::grid;
+using namespace css::i18n;
+using namespace css::lang;
+using namespace css::ucb;
+using namespace css::uno;
+
+namespace {
+
+class SortableGridDataModel;
+class MethodGuard;
+
+typedef ::cppu::WeakComponentImplHelper    <   css::awt::grid::XSortableMutableGridDataModel
+                                            ,   css::lang::XServiceInfo
+                                            ,   css::lang::XInitialization
+                                            >   SortableGridDataModel_Base;
+typedef ::cppu::ImplHelper1 <   css::awt::grid::XGridDataListener
+                            >   SortableGridDataModel_PrivateBase;
+class SortableGridDataModel :public ::cppu::BaseMutex
+                            ,public SortableGridDataModel_Base
+                            ,public SortableGridDataModel_PrivateBase
+{
+public:
+    explicit SortableGridDataModel( const css::uno::Reference< css::uno::XComponentContext > & rxContext );
+    SortableGridDataModel( SortableGridDataModel const & i_copySource );
+
+    bool    isInitialized() const { return m_isInitialized; }
+
+protected:
+    virtual ~SortableGridDataModel() override;
+
+public:
+    // XSortableGridData
+    virtual void SAL_CALL sortByColumn( ::sal_Int32 ColumnIndex, sal_Bool SortAscending ) override;
+    virtual void SAL_CALL removeColumnSort(  ) override;
+    virtual css::beans::Pair< ::sal_Int32, sal_Bool > SAL_CALL getCurrentSortOrder(  ) override;
+
+    // XMutableGridDataModel
+    virtual void SAL_CALL addRow( const css::uno::Any& Heading, const css::uno::Sequence< css::uno::Any >& Data ) override;
+    virtual void SAL_CALL addRows( const css::uno::Sequence< css::uno::Any >& Headings, const css::uno::Sequence< css::uno::Sequence< css::uno::Any > >& Data ) override;
+    virtual void SAL_CALL insertRow( ::sal_Int32 i_index, const css::uno::Any& i_heading, const css::uno::Sequence< css::uno::Any >& Data ) override;
+    virtual void SAL_CALL insertRows( ::sal_Int32 i_index, const css::uno::Sequence< css::uno::Any>& Headings, const css::uno::Sequence< css::uno::Sequence< css::uno::Any > >& Data ) override;
+    virtual void SAL_CALL removeRow( ::sal_Int32 RowIndex ) override;
+    virtual void SAL_CALL removeAllRows(  ) override;
+    virtual void SAL_CALL updateCellData( ::sal_Int32 ColumnIndex, ::sal_Int32 RowIndex, const css::uno::Any& Value ) override;
+    virtual void SAL_CALL updateRowData( const css::uno::Sequence< ::sal_Int32 >& ColumnIndexes, ::sal_Int32 RowIndex, const css::uno::Sequence< css::uno::Any >& Values ) override;
+    virtual void SAL_CALL updateRowHeading( ::sal_Int32 RowIndex, const css::uno::Any& Heading ) override;
+    virtual void SAL_CALL updateCellToolTip( ::sal_Int32 ColumnIndex, ::sal_Int32 RowIndex, const css::uno::Any& Value ) override;
+    virtual void SAL_CALL updateRowToolTip( ::sal_Int32 RowIndex, const css::uno::Any& Value ) override;
+    virtual void SAL_CALL addGridDataListener( const css::uno::Reference< css::awt::grid::XGridDataListener >& Listener ) override;
+    virtual void SAL_CALL removeGridDataListener( const css::uno::Reference< css::awt::grid::XGridDataListener >& Listener ) override;
+
+    // XGridDataModel
+    virtual ::sal_Int32 SAL_CALL getRowCount() override;
+    virtual ::sal_Int32 SAL_CALL getColumnCount() override;
+    virtual css::uno::Any SAL_CALL getCellData( ::sal_Int32 Column, ::sal_Int32 RowIndex ) override;
+    virtual css::uno::Any SAL_CALL getCellToolTip( ::sal_Int32 Column, ::sal_Int32 RowIndex ) override;
+    virtual css::uno::Any SAL_CALL getRowHeading( ::sal_Int32 RowIndex ) override;
+    virtual css::uno::Sequence< css::uno::Any > SAL_CALL getRowData( ::sal_Int32 RowIndex ) override;
+
+    // OComponentHelper
+    virtual void SAL_CALL disposing() override;
+
+    // XCloneable
+    virtual css::uno::Reference< css::util::XCloneable > SAL_CALL createClone(  ) override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName(  ) override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
+
+    // XInitialization
+    virtual void SAL_CALL initialize( const css::uno::Sequence< css::uno::Any >& aArguments ) override;
+
+    // XGridDataListener
+    virtual void SAL_CALL rowsInserted( const css::awt::grid::GridDataEvent& Event ) override;
+    virtual void SAL_CALL rowsRemoved( const css::awt::grid::GridDataEvent& Event ) override;
+    virtual void SAL_CALL dataChanged( const css::awt::grid::GridDataEvent& Event ) override;
+    virtual void SAL_CALL rowHeadingChanged( const css::awt::grid::GridDataEvent& Event ) override;
+
+    // XEventListener
+    virtual void SAL_CALL disposing( const css::lang::EventObject& i_event ) override;
+
+    // XInterface
+    virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& aType ) override;
+    virtual void SAL_CALL acquire(  ) noexcept final override;
+    virtual void SAL_CALL release(  ) noexcept override;
+
+    // XTypeProvider
+    virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes(  ) override;
+    virtual css::uno::Sequence< ::sal_Int8 > SAL_CALL getImplementationId(  ) override;
+
+private:
+    /** translates the given public index into one to be passed to our delegator
+        @throws css::lang::IndexOutOfBoundsException
+            if the given index does not denote a valid row
+    */
+    ::sal_Int32 impl_getPrivateRowIndex_throw( ::sal_Int32 const i_publicRowIndex ) const;
+
+    /** translates the given private row index to a public one
+    */
+    ::sal_Int32 impl_getPublicRowIndex_nothrow( ::sal_Int32 const i_privateRowIndex ) const;
+
+    bool impl_isSorted_nothrow() const
+    {
+        return m_currentSortColumn >= 0;
+    }
+
+    /** rebuilds the index translation structure.
+
+        Neither <member>m_currentSortColumn</member> nor <member>m_sortAscending</member> are touched by this method.
+        Also, the given column index is not checked, this is the responsibility of the caller.
+    */
+    bool    impl_reIndex_nothrow( ::sal_Int32 const i_columnIndex, bool const i_sortAscending );
+
+    /** translates the given event, obtained from our delegator, to a version which can be broadcasted to our own
+        clients.
+    */
+    css::awt::grid::GridDataEvent
+            impl_createPublicEvent( css::awt::grid::GridDataEvent const & i_originalEvent ) const;
+
+    /** broadcasts the given event to our registered XGridDataListeners
+    */
+    void    impl_broadcast(
+                void ( SAL_CALL css::awt::grid::XGridDataListener::*i_listenerMethod )( const css::awt::grid::GridDataEvent & ),
+                css::awt::grid::GridDataEvent const & i_publicEvent,
+                MethodGuard& i_instanceLock
+            );
+
+    /** rebuilds our indexes, notifying row removal and row addition events
+
+        First, a rowsRemoved event is notified to our registered listeners. Then, the index translation tables are
+        rebuilt, and a rowsInserted event is notified.
+
+        Only to be called when we're sorted.
+    */
+    void    impl_rebuildIndexesAndNotify( MethodGuard& i_instanceLock );
+
+    /** removes the current sorting, and notifies a change of all data
+    */
+    void    impl_removeColumnSort( MethodGuard& i_instanceLock );
+
+    /** removes the current sorting, without any broadcast
+    */
+    void    impl_removeColumnSort_noBroadcast();
+
+private:
+    css::uno::Reference< css::uno::XComponentContext >            m_xContext;
+    bool                                                          m_isInitialized;
+    css::uno::Reference< css::awt::grid::XMutableGridDataModel >  m_delegator;
+    css::uno::Reference< css::i18n::XCollator >                   m_collator;
+    ::sal_Int32                                                   m_currentSortColumn;
+    bool                                                    m_sortAscending;
+    ::std::vector< ::sal_Int32 >                                  m_publicToPrivateRowIndex;
+    ::std::vector< ::sal_Int32 >                                  m_privateToPublicRowIndex;
+};
+
+class MethodGuard : public ::comphelper::ComponentGuard
+{
+public:
+    MethodGuard( SortableGridDataModel& i_component, ::cppu::OBroadcastHelper & i_broadcastHelper )
+        :comphelper::ComponentGuard( i_component, i_broadcastHelper )
+    {
+        if ( !i_component.isInitialized() )
+            throw css::lang::NotInitializedException( OUString(), i_component );
+    }
+};
+
+template< class STLCONTAINER >
+void lcl_clear( STLCONTAINER& i_container )
+{
+    STLCONTAINER().swap(i_container);
+}
+
+    SortableGridDataModel::SortableGridDataModel( Reference< XComponentContext > const & rxContext )
+        :SortableGridDataModel_Base( m_aMutex )
+        ,SortableGridDataModel_PrivateBase()
+        ,m_xContext( rxContext )
+        ,m_isInitialized( false )
+        ,m_delegator()
+        ,m_collator()
+        ,m_currentSortColumn( -1 )
+        ,m_sortAscending( true )
+        ,m_publicToPrivateRowIndex()
+        ,m_privateToPublicRowIndex()
+    {
+    }
+
+
+    SortableGridDataModel::SortableGridDataModel( SortableGridDataModel const & i_copySource )
+        :cppu::BaseMutex()
+        ,SortableGridDataModel_Base( m_aMutex )
+        ,SortableGridDataModel_PrivateBase()
+        ,m_xContext( i_copySource.m_xContext )
+        ,m_isInitialized( true )
+        ,m_delegator()
+        ,m_collator( i_copySource.m_collator )
+        ,m_currentSortColumn( i_copySource.m_currentSortColumn )
+        ,m_sortAscending( i_copySource.m_sortAscending )
+        ,m_publicToPrivateRowIndex( i_copySource.m_publicToPrivateRowIndex )
+        ,m_privateToPublicRowIndex( i_copySource.m_privateToPublicRowIndex )
+    {
+        ENSURE_OR_THROW( i_copySource.m_delegator.is(),
+            "not expected to be called for a disposed copy source!" );
+        m_delegator.set( i_copySource.m_delegator->createClone(), UNO_QUERY_THROW );
+    }
+
+
+    SortableGridDataModel::~SortableGridDataModel()
+    {
+        if ( !rBHelper.bDisposed )
+        {
+            acquire();
+            dispose();
+        }
+    }
+
+
+    Any SAL_CALL SortableGridDataModel::queryInterface( const Type& aType )
+    {
+        Any aReturn( SortableGridDataModel_Base::queryInterface( aType ) );
+        if ( !aReturn.hasValue() )
+            aReturn = SortableGridDataModel_PrivateBase::queryInterface( aType );
+        return aReturn;
+    }
+
+
+    void SAL_CALL SortableGridDataModel::acquire(  ) noexcept
+    {
+        SortableGridDataModel_Base::acquire();
+    }
+
+
+    void SAL_CALL SortableGridDataModel::release(  ) noexcept
+    {
+        SortableGridDataModel_Base::release();
+    }
+
+
+    Sequence< Type > SAL_CALL SortableGridDataModel::getTypes(  )
+    {
+        return SortableGridDataModel_Base::getTypes();
+        // don't expose the types got via SortableGridDataModel_PrivateBase - they're private, after all
+    }
+
+
+    Sequence< ::sal_Int8 > SAL_CALL SortableGridDataModel::getImplementationId(  )
+    {
+        return css::uno::Sequence<sal_Int8>();
+    }
+
+    Reference< XCollator > lcl_loadDefaultCollator_throw( const Reference<XComponentContext> & rxContext )
+    {
+        Reference< XCollator > const xCollator = Collator::create( rxContext );
+        xCollator->loadDefaultCollator( Application::GetSettings().GetLanguageTag().getLocale(), 0 );
+        return xCollator;
+    }
+
+    void SAL_CALL SortableGridDataModel::initialize( const Sequence< Any >& i_arguments )
+    {
+        ::comphelper::ComponentGuard aGuard( *this, rBHelper );
+
+        if ( m_delegator.is() )
+            throw AlreadyInitializedException( OUString(), *this );
+
+        Reference< XMutableGridDataModel > xDelegator;
+        Reference< XCollator > xCollator;
+        switch ( i_arguments.getLength() )
+        {
+        case 1: // SortableGridDataModel.create( XMutableGridDataModel )
+            xDelegator.set( i_arguments[0], UNO_QUERY );
+            xCollator = lcl_loadDefaultCollator_throw( m_xContext );
+            break;
+
+        case 2: // SortableGridDataModel.createWithCollator( XMutableGridDataModel, XCollator )
+            xDelegator.set( i_arguments[0], UNO_QUERY );
+            xCollator.set( i_arguments[1], UNO_QUERY );
+            if ( !xCollator.is() )
+                throw IllegalArgumentException( OUString(), *this, 2 );
+            break;
+        }
+        if ( !xDelegator.is() )
+            throw IllegalArgumentException( OUString(), *this, 1 );
+
+        m_delegator = xDelegator;
+        m_collator = xCollator;
+
+        m_delegator->addGridDataListener( this );
+
+        m_isInitialized = true;
+    }
+
+
+    GridDataEvent SortableGridDataModel::impl_createPublicEvent( GridDataEvent const & i_originalEvent ) const
+    {
+        GridDataEvent aEvent( i_originalEvent );
+        aEvent.Source = *const_cast< SortableGridDataModel* >( this );
+        aEvent.FirstRow = impl_getPublicRowIndex_nothrow( aEvent.FirstRow );
+        aEvent.LastRow = impl_getPublicRowIndex_nothrow( aEvent.LastRow );
+        return aEvent;
+    }
+
+
+    void SortableGridDataModel::impl_broadcast( void ( SAL_CALL XGridDataListener::*i_listenerMethod )( const GridDataEvent & ),
+            GridDataEvent const & i_publicEvent, MethodGuard& i_instanceLock )
+    {
+        ::cppu::OInterfaceContainerHelper* pListeners = rBHelper.getContainer( cppu::UnoType<XGridDataListener>::get() );
+        if ( pListeners == nullptr )
+            return;
+
+        i_instanceLock.clear();
+        pListeners->notifyEach( i_listenerMethod, i_publicEvent );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::rowsInserted( const GridDataEvent& i_event )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        if ( impl_isSorted_nothrow() )
+        {
+            // no infrastructure is in place currently to sort the new row to its proper location,
+            // so we remove the sorting here.
+            impl_removeColumnSort( aGuard );
+            aGuard.reset();
+        }
+
+        GridDataEvent const aEvent( impl_createPublicEvent( i_event ) );
+        impl_broadcast( &XGridDataListener::rowsInserted, aEvent, aGuard );
+    }
+
+    void lcl_decrementValuesGreaterThan( ::std::vector< ::sal_Int32 > & io_indexMap, sal_Int32 const i_threshold )
+    {
+        for ( auto& rIndex : io_indexMap )
+        {
+            if ( rIndex >= i_threshold )
+                --rIndex;
+        }
+    }
+
+    void SortableGridDataModel::impl_rebuildIndexesAndNotify( MethodGuard& i_instanceLock )
+    {
+        OSL_PRECOND( impl_isSorted_nothrow(), "SortableGridDataModel::impl_rebuildIndexesAndNotify: illegal call!" );
+
+        // clear the indexes
+        lcl_clear( m_publicToPrivateRowIndex );
+        lcl_clear( m_privateToPublicRowIndex );
+
+        // rebuild the index
+        if ( !impl_reIndex_nothrow( m_currentSortColumn, m_sortAscending ) )
+        {
+            impl_removeColumnSort( i_instanceLock );
+            return;
+        }
+
+        // broadcast an artificial event, saying that all rows have been removed
+        GridDataEvent const aRemovalEvent( *this, -1, -1, -1, -1 );
+        impl_broadcast( &XGridDataListener::rowsRemoved, aRemovalEvent, i_instanceLock );
+        i_instanceLock.reset();
+
+        // broadcast an artificial event, saying that n rows have been added
+        GridDataEvent const aAdditionEvent( *this, -1, -1, 0, m_delegator->getRowCount() - 1 );
+        impl_broadcast( &XGridDataListener::rowsInserted, aAdditionEvent, i_instanceLock );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::rowsRemoved( const GridDataEvent& i_event )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        // if the data is not sorted, broadcast the event unchanged
+        if ( !impl_isSorted_nothrow() )
+        {
+            GridDataEvent const aEvent( impl_createPublicEvent( i_event ) );
+            impl_broadcast( &XGridDataListener::rowsRemoved, aEvent, aGuard );
+            return;
+        }
+
+        // if all rows have been removed, also simply multiplex to own listeners
+        if ( i_event.FirstRow < 0 )
+        {
+            lcl_clear( m_publicToPrivateRowIndex );
+            lcl_clear( m_privateToPublicRowIndex );
+            GridDataEvent aEvent( i_event );
+            aEvent.Source = *this;
+            impl_broadcast( &XGridDataListener::rowsRemoved, aEvent, aGuard );
+            return;
+        }
+
+        bool needReIndex = false;
+        if ( i_event.FirstRow != i_event.LastRow )
+        {
+            OSL_ENSURE( false, "SortableGridDataModel::rowsRemoved: missing implementation - removal of multiple rows!" );
+            needReIndex = true;
+        }
+        else if ( o3tl::make_unsigned( i_event.FirstRow ) >= m_privateToPublicRowIndex.size() )
+        {
+            OSL_ENSURE( false, "SortableGridDataModel::rowsRemoved: inconsistent/wrong data!" );
+            needReIndex = true;
+        }
+
+        if ( needReIndex )
+        {
+            impl_rebuildIndexesAndNotify( aGuard );
+            return;
+        }
+
+        // build public event version
+        GridDataEvent const aEvent( impl_createPublicEvent( i_event ) );
+
+        // remove the entries from the index maps
+        sal_Int32 const privateIndex = i_event.FirstRow;
+        sal_Int32 const publicIndex = aEvent.FirstRow;
+
+        m_publicToPrivateRowIndex.erase( m_publicToPrivateRowIndex.begin() + publicIndex );
+        m_privateToPublicRowIndex.erase( m_privateToPublicRowIndex.begin() + privateIndex );
+
+        // adjust remaining entries in the index maps
+        lcl_decrementValuesGreaterThan( m_publicToPrivateRowIndex, privateIndex );
+        lcl_decrementValuesGreaterThan( m_privateToPublicRowIndex, publicIndex );
+
+        // broadcast the event
+        impl_broadcast( &XGridDataListener::rowsRemoved, aEvent, aGuard );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::dataChanged( const GridDataEvent& i_event )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        GridDataEvent const aEvent( impl_createPublicEvent( i_event ) );
+        impl_broadcast( &XGridDataListener::dataChanged, aEvent, aGuard );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::rowHeadingChanged( const GridDataEvent& i_event )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        GridDataEvent const aEvent( impl_createPublicEvent( i_event ) );
+        impl_broadcast( &XGridDataListener::rowHeadingChanged, aEvent, aGuard );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::disposing( const EventObject& )
+    {
+    }
+
+    class CellDataLessComparison
+    {
+    public:
+        CellDataLessComparison(
+            ::std::vector< Any > const & i_data,
+            ::comphelper::IKeyPredicateLess const & i_predicate,
+            bool const i_sortAscending
+        )
+            :m_data( i_data )
+            ,m_predicate( i_predicate )
+            ,m_sortAscending( i_sortAscending )
+        {
+        }
+
+        bool operator()( sal_Int32 const i_lhs, sal_Int32 const i_rhs ) const
+        {
+            Any const & lhs = m_data[ i_lhs ];
+            Any const & rhs = m_data[ i_rhs ];
+            // <VOID/> is less than everything else
+            if ( !lhs.hasValue() )
+                return m_sortAscending;
+            if ( !rhs.hasValue() )
+                return !m_sortAscending;
+
+            // actually compare
+            if ( m_sortAscending )
+                return m_predicate.isLess( lhs, rhs );
+            else
+                return m_predicate.isLess( rhs, lhs );
+        }
+
+    private:
+        ::std::vector< Any > const &            m_data;
+        ::comphelper::IKeyPredicateLess const & m_predicate;
+        bool const                          m_sortAscending;
+    };
+
+    bool SortableGridDataModel::impl_reIndex_nothrow( ::sal_Int32 const i_columnIndex, bool const i_sortAscending )
+    {
+        ::sal_Int32 const rowCount( getRowCount() );
+        ::std::vector< ::sal_Int32 > aPublicToPrivate( rowCount );
+
+        try
+        {
+            // build an unsorted translation table, and retrieve the unsorted data
+            ::std::vector< Any > aColumnData( rowCount );
+            Type dataType;
+            for ( ::sal_Int32 rowIndex = 0; rowIndex < rowCount; ++rowIndex )
+            {
+                aColumnData[ rowIndex ] = m_delegator->getCellData( i_columnIndex, rowIndex );
+                aPublicToPrivate[ rowIndex ] = rowIndex;
+
+                // determine the data types we assume for the complete column
+                if ( ( dataType.getTypeClass() == TypeClass_VOID ) && aColumnData[ rowIndex ].hasValue() )
+                    dataType = aColumnData[ rowIndex ].getValueType();
+            }
+
+            // get predicate object
+            ::std::unique_ptr< ::comphelper::IKeyPredicateLess > const pPredicate( ::comphelper::getStandardLessPredicate( dataType, m_collator ) );
+            ENSURE_OR_RETURN_FALSE(
+                pPredicate, "SortableGridDataModel::impl_reIndex_nothrow: no sortable data found!");
+
+            // then sort
+            CellDataLessComparison const aComparator( aColumnData, *pPredicate, i_sortAscending );
+            ::std::sort( aPublicToPrivate.begin(), aPublicToPrivate.end(), aComparator );
+        }
+        catch( const Exception& )
+        {
+            DBG_UNHANDLED_EXCEPTION("toolkit.controls");
+            return false;
+        }
+
+        // also build the "private to public" mapping
+        ::std::vector< sal_Int32 > aPrivateToPublic( aPublicToPrivate.size() );
+        for ( size_t i=0; i<aPublicToPrivate.size(); ++i )
+            aPrivateToPublic[ aPublicToPrivate[i] ] = i;
+
+        m_publicToPrivateRowIndex.swap( aPublicToPrivate );
+        m_privateToPublicRowIndex.swap( aPrivateToPublic );
+
+        return true;
+    }
+
+
+    void SAL_CALL SortableGridDataModel::sortByColumn( ::sal_Int32 i_columnIndex, sal_Bool i_sortAscending )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        if ( ( i_columnIndex < 0 ) || ( i_columnIndex >= getColumnCount() ) )
+            throw IndexOutOfBoundsException( OUString(), *this );
+
+        if ( !impl_reIndex_nothrow( i_columnIndex, i_sortAscending ) )
+            return;
+
+        m_currentSortColumn = i_columnIndex;
+        m_sortAscending = i_sortAscending;
+
+        impl_broadcast(
+            &XGridDataListener::dataChanged,
+            GridDataEvent( *this, -1, -1, -1, -1 ),
+            aGuard
+        );
+    }
+
+
+    void SortableGridDataModel::impl_removeColumnSort_noBroadcast()
+    {
+        lcl_clear( m_publicToPrivateRowIndex );
+        lcl_clear( m_privateToPublicRowIndex );
+
+        m_currentSortColumn = -1;
+        m_sortAscending = true;
+    }
+
+
+    void SortableGridDataModel::impl_removeColumnSort( MethodGuard& i_instanceLock )
+    {
+        impl_removeColumnSort_noBroadcast();
+        impl_broadcast(
+            &XGridDataListener::dataChanged,
+            GridDataEvent( *this, -1, -1, -1, -1 ),
+            i_instanceLock
+        );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::removeColumnSort(  )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+        impl_removeColumnSort( aGuard );
+    }
+
+
+    css::beans::Pair< ::sal_Int32, sal_Bool > SAL_CALL SortableGridDataModel::getCurrentSortOrder(  )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        return css::beans::Pair< ::sal_Int32, sal_Bool >( m_currentSortColumn, m_sortAscending );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::addRow( const Any& i_heading, const Sequence< Any >& i_data )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        delegator->addRow( i_heading, i_data );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::addRows( const Sequence< Any >& i_headings, const Sequence< Sequence< Any > >& i_data )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        delegator->addRows( i_headings, i_data );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::insertRow( ::sal_Int32 i_index, const Any& i_heading, const Sequence< Any >& i_data )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        ::sal_Int32 const rowIndex = i_index == getRowCount() ? i_index : impl_getPrivateRowIndex_throw( i_index );
+            // note that |RowCount| is a valid index in this method, but not for impl_getPrivateRowIndex_throw
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        delegator->insertRow( rowIndex, i_heading, i_data );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::insertRows( ::sal_Int32 i_index, const Sequence< Any>& i_headings, const Sequence< Sequence< Any > >& i_data )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        ::sal_Int32 const rowIndex = i_index == getRowCount() ? i_index : impl_getPrivateRowIndex_throw( i_index );
+            // note that |RowCount| is a valid index in this method, but not for impl_getPrivateRowIndex_throw
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        delegator->insertRows( rowIndex, i_headings, i_data );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::removeRow( ::sal_Int32 i_rowIndex )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        ::sal_Int32 const rowIndex = impl_getPrivateRowIndex_throw( i_rowIndex );
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        delegator->removeRow( rowIndex );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::removeAllRows(  )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        delegator->removeAllRows();
+    }
+
+
+    void SAL_CALL SortableGridDataModel::updateCellData( ::sal_Int32 i_columnIndex, ::sal_Int32 i_rowIndex, const Any& i_value )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        ::sal_Int32 const rowIndex = impl_getPrivateRowIndex_throw( i_rowIndex );
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        delegator->updateCellData( i_columnIndex, rowIndex, i_value );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::updateRowData( const Sequence< ::sal_Int32 >& i_columnIndexes, ::sal_Int32 i_rowIndex, const Sequence< Any >& i_values )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        ::sal_Int32 const rowIndex = impl_getPrivateRowIndex_throw( i_rowIndex );
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        delegator->updateRowData( i_columnIndexes, rowIndex, i_values );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::updateRowHeading( ::sal_Int32 i_rowIndex, const Any& i_heading )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        ::sal_Int32 const rowIndex = impl_getPrivateRowIndex_throw( i_rowIndex );
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        delegator->updateRowHeading( rowIndex, i_heading );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::updateCellToolTip( ::sal_Int32 i_columnIndex, ::sal_Int32 i_rowIndex, const Any& i_value )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        ::sal_Int32 const rowIndex = impl_getPrivateRowIndex_throw( i_rowIndex );
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        delegator->updateCellToolTip( i_columnIndex, rowIndex, i_value );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::updateRowToolTip( ::sal_Int32 i_rowIndex, const Any& i_value )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        ::sal_Int32 const rowIndex = impl_getPrivateRowIndex_throw( i_rowIndex );
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        delegator->updateRowToolTip( rowIndex, i_value );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::addGridDataListener( const Reference< XGridDataListener >& i_listener )
+    {
+        rBHelper.addListener( cppu::UnoType<XGridDataListener>::get(), i_listener );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::removeGridDataListener( const Reference< XGridDataListener >& i_listener )
+    {
+        rBHelper.removeListener( cppu::UnoType<XGridDataListener>::get(), i_listener );
+    }
+
+
+    ::sal_Int32 SAL_CALL SortableGridDataModel::getRowCount()
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        return delegator->getRowCount();
+    }
+
+
+    ::sal_Int32 SAL_CALL SortableGridDataModel::getColumnCount()
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        return delegator->getColumnCount();
+    }
+
+
+    Any SAL_CALL SortableGridDataModel::getCellData( ::sal_Int32 i_columnIndex, ::sal_Int32 i_rowIndex )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        ::sal_Int32 const rowIndex = impl_getPrivateRowIndex_throw( i_rowIndex );
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        return delegator->getCellData( i_columnIndex, rowIndex );
+    }
+
+
+    Any SAL_CALL SortableGridDataModel::getCellToolTip( ::sal_Int32 i_columnIndex, ::sal_Int32 i_rowIndex )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        ::sal_Int32 const rowIndex = impl_getPrivateRowIndex_throw( i_rowIndex );
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        return delegator->getCellToolTip( i_columnIndex, rowIndex );
+    }
+
+
+    Any SAL_CALL SortableGridDataModel::getRowHeading( ::sal_Int32 i_rowIndex )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        ::sal_Int32 const rowIndex = impl_getPrivateRowIndex_throw( i_rowIndex );
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        return delegator->getRowHeading( rowIndex );
+    }
+
+
+    Sequence< Any > SAL_CALL SortableGridDataModel::getRowData( ::sal_Int32 i_rowIndex )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        ::sal_Int32 const rowIndex = impl_getPrivateRowIndex_throw( i_rowIndex );
+
+        Reference< XMutableGridDataModel > const delegator( m_delegator );
+        aGuard.clear();
+        return delegator->getRowData( rowIndex );
+    }
+
+
+    void SAL_CALL SortableGridDataModel::disposing()
+    {
+        m_currentSortColumn = -1;
+
+        Reference< XComponent > const delegatorComponent( m_delegator );
+        m_delegator->removeGridDataListener( this );
+        m_delegator.clear();
+        delegatorComponent->dispose();
+
+        Reference< XComponent > const collatorComponent( m_collator, UNO_QUERY );
+        m_collator.clear();
+        if ( collatorComponent.is() )
+            collatorComponent->dispose();
+
+        lcl_clear( m_publicToPrivateRowIndex );
+        lcl_clear( m_privateToPublicRowIndex );
+    }
+
+
+    Reference< css::util::XCloneable > SAL_CALL SortableGridDataModel::createClone(  )
+    {
+        MethodGuard aGuard( *this, rBHelper );
+
+        return new SortableGridDataModel( *this );
+    }
+
+
+    OUString SAL_CALL SortableGridDataModel::getImplementationName(  )
+    {
+        return "org.openoffice.comp.toolkit.SortableGridDataModel";
+    }
+
+    sal_Bool SAL_CALL SortableGridDataModel::supportsService( const OUString& i_serviceName )
+    {
+        return cppu::supportsService(this, i_serviceName);
+    }
+
+    Sequence< OUString > SAL_CALL SortableGridDataModel::getSupportedServiceNames(  )
+    {
+        return { "com.sun.star.awt.grid.SortableGridDataModel" };
+    }
+
+
+    ::sal_Int32 SortableGridDataModel::impl_getPrivateRowIndex_throw( ::sal_Int32 const i_publicRowIndex ) const
+    {
+        if ( ( i_publicRowIndex < 0 ) || ( i_publicRowIndex >= m_delegator->getRowCount() ) )
+            throw IndexOutOfBoundsException( OUString(), *const_cast< SortableGridDataModel* >( this ) );
+
+        if ( !impl_isSorted_nothrow() )
+            // no need to translate anything
+            return i_publicRowIndex;
+
+        ENSURE_OR_RETURN( o3tl::make_unsigned( i_publicRowIndex ) < m_publicToPrivateRowIndex.size(),
+            "SortableGridDataModel::impl_getPrivateRowIndex_throw: inconsistency!", i_publicRowIndex );
+                // obviously the translation table contains too few elements - it should have exactly |getRowCount()|
+                // elements
+
+        return m_publicToPrivateRowIndex[ i_publicRowIndex ];
+    }
+
+
+    ::sal_Int32 SortableGridDataModel::impl_getPublicRowIndex_nothrow( ::sal_Int32 const i_privateRowIndex ) const
+    {
+        if ( !impl_isSorted_nothrow() )
+            // no need to translate anything
+            return i_privateRowIndex;
+
+        if ( i_privateRowIndex < 0 )
+            return i_privateRowIndex;
+
+        ENSURE_OR_RETURN( o3tl::make_unsigned( i_privateRowIndex ) < m_privateToPublicRowIndex.size(),
+            "SortableGridDataModel::impl_getPublicRowIndex_nothrow: invalid index!", i_privateRowIndex );
+
+        return m_privateToPublicRowIndex[ i_privateRowIndex ];
+    }
+
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
+org_openoffice_comp_toolkit_SortableGridDataModel_get_implementation(
+    css::uno::XComponentContext *context,
+    css::uno::Sequence<css::uno::Any> const &)
+{
+    return cppu::acquire(new SortableGridDataModel(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */