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

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

2 files changed, 2148 insertions, 0 deletions

diff --git a/forms/source/runtime/formoperations.cxx b/forms/source/runtime/formoperations.cxx
new file mode 100644
index 000000000..11207991d
--- /dev/null
+++ b/forms/source/runtime/formoperations.cxx
@@ -0,0 +1,1767 @@
+/* -*- 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 <config_features.h>
+#include <config_fuzzers.h>
+
+#include "formoperations.hxx"
+#include <frm_strings.hxx>
+#include <frm_resource.hxx>
+#include <strings.hrc>
+
+#include <com/sun/star/ucb/AlreadyInitializedException.hpp>
+#include <com/sun/star/util/XModifyBroadcaster.hpp>
+#include <com/sun/star/form/runtime/FormFeature.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/lang/DisposedException.hpp>
+#include <com/sun/star/awt/XControl.hpp>
+#include <com/sun/star/form/XGrid.hpp>
+#include <com/sun/star/form/XBoundControl.hpp>
+#include <com/sun/star/form/XBoundComponent.hpp>
+#include <com/sun/star/sdbcx/XRowLocate.hpp>
+#include <com/sun/star/form/XConfirmDeleteListener.hpp>
+#include <com/sun/star/sdb/RowChangeEvent.hpp>
+#include <com/sun/star/sdb/RowChangeAction.hpp>
+#include <com/sun/star/sdb/OrderDialog.hpp>
+#include <com/sun/star/sdb/FilterDialog.hpp>
+#include <com/sun/star/sdbc/SQLException.hpp>
+#include <com/sun/star/sdbc/XConnection.hpp>
+#include <com/sun/star/form/XReset.hpp>
+#include <com/sun/star/beans/XMultiPropertySet.hpp>
+#include <com/sun/star/ui/dialogs/XExecutableDialog.hpp>
+#include <com/sun/star/util/XRefreshable.hpp>
+
+#include <connectivity/dbtools.hxx>
+#include <connectivity/dbexception.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/stdtext.hxx>
+#include <vcl/weld.hxx>
+#include <tools/diagnose_ex.h>
+#include <comphelper/container.hxx>
+#include <comphelper/property.hxx>
+#include <comphelper/namedvaluecollection.hxx>
+#include <cppuhelper/exc_hlp.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <osl/mutex.hxx>
+#include <sal/log.hxx>
+#include <tools/debug.hxx>
+
+
+namespace frm
+{
+
+
+    using ::dbtools::SQLExceptionInfo;
+    using ::com::sun::star::uno::Reference;
+    using ::com::sun::star::uno::XComponentContext;
+    using ::com::sun::star::uno::RuntimeException;
+    using ::com::sun::star::uno::Sequence;
+    using ::com::sun::star::uno::Exception;
+    using ::com::sun::star::uno::Any;
+    using ::com::sun::star::uno::XInterface;
+    using ::com::sun::star::sdbc::XRowSet;
+    using ::com::sun::star::sdbc::XResultSetUpdate;
+    using ::com::sun::star::form::runtime::XFormController;
+    using ::com::sun::star::form::runtime::XFormOperations;
+    using ::com::sun::star::form::runtime::XFeatureInvalidation;
+    using ::com::sun::star::form::runtime::FeatureState;
+    using ::com::sun::star::lang::IllegalArgumentException;
+    using ::com::sun::star::sdbc::SQLException;
+    using namespace ::com::sun::star::sdbc;
+    using ::com::sun::star::form::XForm;
+    using ::com::sun::star::ucb::AlreadyInitializedException;
+    using ::com::sun::star::util::XModifyBroadcaster;
+    using ::com::sun::star::uno::UNO_QUERY;
+    using ::com::sun::star::lang::EventObject;
+    using ::com::sun::star::beans::PropertyChangeEvent;
+    using ::com::sun::star::lang::XMultiServiceFactory;
+    using ::com::sun::star::lang::DisposedException;
+    using ::com::sun::star::beans::XPropertySet;
+    using ::com::sun::star::awt::XControl;
+    using ::com::sun::star::form::XGrid;
+    using ::com::sun::star::container::XIndexAccess;
+    using ::com::sun::star::uno::UNO_QUERY_THROW;
+    using ::com::sun::star::form::XBoundControl;
+    using ::com::sun::star::form::XBoundComponent;
+    using ::com::sun::star::sdbcx::XRowLocate;
+    using ::com::sun::star::form::XConfirmDeleteListener;
+    using ::com::sun::star::sdb::RowChangeEvent;
+    using namespace ::com::sun::star::sdb;
+    using ::com::sun::star::form::XReset;
+    using ::com::sun::star::beans::XMultiPropertySet;
+    using ::com::sun::star::lang::WrappedTargetException;
+    using ::com::sun::star::ui::dialogs::XExecutableDialog;
+    using ::com::sun::star::beans::NamedValue;
+    using ::com::sun::star::util::XRefreshable;
+    using ::com::sun::star::awt::XControlModel;
+
+    namespace FormFeature = ::com::sun::star::form::runtime::FormFeature;
+    namespace RowChangeAction = ::com::sun::star::sdb::RowChangeAction;
+
+    FormOperations::FormOperations( const Reference< XComponentContext >& _rxContext )
+        :FormOperations_Base( m_aMutex )
+        ,m_xContext( _rxContext )
+        ,m_bInitializedParser( false )
+        ,m_bActiveControlModified( false )
+        ,m_bConstructed( false )
+    #ifdef DBG_UTIL
+        ,m_nMethodNestingLevel( 0 )
+    #endif
+    {
+    }
+
+    FormOperations::~FormOperations()
+    {
+    }
+
+    void SAL_CALL FormOperations::initialize( const Sequence< Any >& _arguments )
+    {
+        if ( m_bConstructed )
+            throw AlreadyInitializedException();
+
+        if ( _arguments.getLength() == 1 )
+        {
+            Reference< XFormController > xController;
+            Reference< XForm > xForm;
+            if ( _arguments[0] >>= xController )
+                createWithFormController( xController );
+            else if ( _arguments[0] >>= xForm )
+                createWithForm( xForm );
+            else
+                throw IllegalArgumentException( OUString(), *this, 1 );
+            return;
+        }
+
+        throw IllegalArgumentException( OUString(), *this, 0 );
+    }
+
+    OUString SAL_CALL FormOperations::getImplementationName(  )
+    {
+        return "com.sun.star.comp.forms.FormOperations";
+    }
+
+    sal_Bool SAL_CALL FormOperations::supportsService( const OUString& ServiceName )
+    {
+        return cppu::supportsService(this, ServiceName);
+    }
+
+    Sequence< OUString > SAL_CALL FormOperations::getSupportedServiceNames(  )
+    {
+        return { "com.sun.star.form.runtime.FormOperations" };
+    }
+
+    Reference< XRowSet > SAL_CALL FormOperations::getCursor()
+    {
+        MethodGuard aGuard( *this );
+        return m_xCursor;
+    }
+
+    Reference< XResultSetUpdate > SAL_CALL FormOperations::getUpdateCursor()
+    {
+        MethodGuard aGuard( *this );
+        return m_xUpdateCursor;
+    }
+
+
+    Reference< XFormController > SAL_CALL FormOperations::getController()
+    {
+        MethodGuard aGuard( *this );
+        return m_xController;
+    }
+
+
+    Reference< XFeatureInvalidation > SAL_CALL FormOperations::getFeatureInvalidation()
+    {
+        MethodGuard aGuard( *this );
+        return m_xFeatureInvalidation;
+    }
+
+
+    void SAL_CALL FormOperations::setFeatureInvalidation( const Reference< XFeatureInvalidation > & _rxFeatureInvalidation )
+    {
+        MethodGuard aGuard( *this );
+        m_xFeatureInvalidation = _rxFeatureInvalidation;
+    }
+
+
+    FeatureState SAL_CALL FormOperations::getState( ::sal_Int16 _nFeature )
+    {
+        MethodGuard aGuard( *this );
+
+        FeatureState aState;
+        aState.Enabled = false;
+
+        try
+        {
+            // some checks for basic pre-requisites
+            if  (   !m_xLoadableForm.is()
+                ||  !m_xLoadableForm->isLoaded()
+                ||  !m_xCursorProperties.is()
+                )
+            {
+                return aState;
+            }
+
+            switch ( _nFeature )
+            {
+            case FormFeature::MoveToFirst:
+            case FormFeature::MoveToPrevious:
+                aState.Enabled = impl_canMoveLeft_throw( );
+                break;
+
+            case FormFeature::MoveToNext:
+                aState.Enabled = impl_canMoveRight_throw();
+                break;
+
+            case FormFeature::MoveToLast:
+                aState.Enabled = impl_getRowCount_throw() && ( !m_xCursor->isLast() || impl_isInsertionRow_throw() );
+                break;
+
+            case FormFeature::DeleteRecord:
+                // already deleted ?
+                if ( m_xCursor->rowDeleted() )
+                    aState.Enabled = false;
+                else
+                {
+                    // allowed to delete the row ?
+                    aState.Enabled = !impl_isInsertionRow_throw() && ::dbtools::canDelete( m_xCursorProperties );
+                }
+                break;
+
+            case FormFeature::MoveToInsertRow:
+                // if we are inserting we can move to the next row if the current record or control is modified
+                aState.Enabled =    impl_isInsertionRow_throw()
+                                ?   impl_isModifiedRow_throw() || m_bActiveControlModified
+                                :   ::dbtools::canInsert( m_xCursorProperties );
+                break;
+
+            case FormFeature::ReloadForm:
+            {
+                // there must be an active connection
+                aState.Enabled = ::dbtools::getConnection( m_xCursor ).is();
+
+                // and an active command
+                OUString sActiveCommand;
+                m_xCursorProperties->getPropertyValue( PROPERTY_ACTIVECOMMAND ) >>= sActiveCommand;
+                aState.Enabled = aState.Enabled && !sActiveCommand.isEmpty();
+            }
+            break;
+
+            case FormFeature::RefreshCurrentControl:
+            {
+                Reference< XRefreshable > xControlModelRefresh( impl_getCurrentControlModel_throw(), UNO_QUERY );
+                aState.Enabled = xControlModelRefresh.is();
+            }
+            break;
+
+            case FormFeature::SaveRecordChanges:
+            case FormFeature::UndoRecordChanges:
+                aState.Enabled = impl_isModifiedRow_throw() || m_bActiveControlModified;
+                break;
+
+            case FormFeature::RemoveFilterAndSort:
+                if ( impl_isParseable_throw() && impl_hasFilterOrOrder_throw() )
+                    aState.Enabled = !impl_isInsertOnlyForm_throw();
+                break;
+
+            case FormFeature::SortAscending:
+            case FormFeature::SortDescending:
+            case FormFeature::AutoFilter:
+                if ( m_xController.is() && impl_isParseable_throw() )
+                {
+                    bool bIsDeleted = m_xCursor->rowDeleted();
+
+                    if ( !bIsDeleted && !impl_isInsertOnlyForm_throw() )
+                    {
+                        Reference< XPropertySet > xBoundField = impl_getCurrentBoundField_nothrow( );
+                        if ( xBoundField.is() )
+                            xBoundField->getPropertyValue( PROPERTY_SEARCHABLE ) >>= aState.Enabled;
+                    }
+                }
+                break;
+
+            case FormFeature::InteractiveSort:
+            case FormFeature::InteractiveFilter:
+                if ( impl_isParseable_throw() )
+                    aState.Enabled = !impl_isInsertOnlyForm_throw();
+                break;
+
+            case FormFeature::ToggleApplyFilter:
+            {
+                OUString sFilter;
+                OUString sHaving;
+                m_xCursorProperties->getPropertyValue( PROPERTY_FILTER )       >>= sFilter;
+                m_xCursorProperties->getPropertyValue( PROPERTY_HAVINGCLAUSE ) >>= sHaving;
+                if ( ! (sFilter.isEmpty() && sHaving.isEmpty()) )
+                {
+                    aState.State = m_xCursorProperties->getPropertyValue( PROPERTY_APPLYFILTER );
+                    aState.Enabled = !impl_isInsertOnlyForm_throw();
+                }
+                else
+                    aState.State <<= false;
+            }
+            break;
+
+            case FormFeature::MoveAbsolute:
+            {
+                sal_Int32 nPosition   = m_xCursor->getRow();
+                bool  bIsNew      = impl_isInsertionRow_throw();
+                sal_Int32 nCount      = impl_getRowCount_throw();
+                bool  bFinalCount = impl_isRowCountFinal_throw();
+
+                if ( ( nPosition >= 0 ) || bIsNew )
+                {
+                    if ( bFinalCount )
+                    {
+                        // special case: there are no records at all, and we
+                        // can't insert records -> disabled
+                        if ( !nCount && !::dbtools::canInsert( m_xCursorProperties ) )
+                        {
+                            aState.Enabled = false;
+                        }
+                        else
+                        {
+                            if ( bIsNew )
+                                nPosition = ++nCount;
+                            aState.State <<= nPosition;
+                            aState.Enabled = true;
+                        }
+                    }
+                    else
+                    {
+                        aState.State <<= nPosition;
+                        aState.Enabled = true;
+                    }
+                }
+            }
+            break;
+
+            case FormFeature::TotalRecords:
+            {
+                bool  bIsNew      = impl_isInsertionRow_throw();
+                sal_Int32 nCount      = impl_getRowCount_throw();
+                bool  bFinalCount = impl_isRowCountFinal_throw();
+
+                if ( bIsNew )
+                    ++nCount;
+
+                OUString sValue = OUString::number( nCount );
+                if ( !bFinalCount )
+                    sValue += " *";
+
+                aState.State <<= sValue;
+                aState.Enabled = true;
+            }
+            break;
+
+            default:
+                OSL_FAIL( "FormOperations::getState: unknown feature id!" );
+                break;
+            }
+        }
+        catch( const Exception& )
+        {
+            TOOLS_WARN_EXCEPTION( "forms.runtime", "FormOperations::getState" );
+        }
+
+        return aState;
+    }
+
+
+    sal_Bool SAL_CALL FormOperations::isEnabled( ::sal_Int16 _nFeature )
+    {
+        MethodGuard aGuard( *this );
+
+        FeatureState aState( getState( _nFeature ) );
+        return aState.Enabled;
+    }
+
+
+    namespace
+    {
+        bool lcl_needConfirmCommit( sal_Int32 _nFeature )
+        {
+            return ( ( _nFeature == FormFeature::ReloadForm )
+                  || ( _nFeature == FormFeature::RemoveFilterAndSort )
+                  || ( _nFeature == FormFeature::ToggleApplyFilter )
+                  || ( _nFeature == FormFeature::SortAscending )
+                  || ( _nFeature == FormFeature::SortDescending )
+                  || ( _nFeature == FormFeature::AutoFilter )
+                  || ( _nFeature == FormFeature::InteractiveSort )
+                  || ( _nFeature == FormFeature::InteractiveFilter )
+                   );
+        }
+        bool lcl_requiresArguments( sal_Int32 _nFeature )
+        {
+            return ( _nFeature == FormFeature::MoveAbsolute );
+        }
+        bool lcl_isExecutableFeature( sal_Int32 _nFeature )
+        {
+            return ( _nFeature != FormFeature::TotalRecords );
+        }
+
+        template < typename TYPE >
+        TYPE lcl_safeGetPropertyValue_throw( const Reference< XPropertySet >& _rxProperties, const OUString& _rPropertyName, TYPE Default )
+        {
+            TYPE value( Default );
+            OSL_PRECOND( _rxProperties.is(), "FormOperations::<foo>: no cursor (already disposed?)!" );
+            if ( _rxProperties.is() )
+                OSL_VERIFY( _rxProperties->getPropertyValue( _rPropertyName ) >>= value );
+            return value;
+        }
+
+        // returns false if parent should *abort* (user pressed cancel)
+        bool checkConfirmation(bool &needConfirmation, bool &shouldCommit)
+        {
+            if(!needConfirmation)
+                return true;
+            // TODO: shouldn't this be done with an interaction handler?
+            std::unique_ptr<weld::MessageDialog> xQueryBox(Application::CreateMessageDialog(nullptr,
+                                                           VclMessageType::Question, VclButtonsType::YesNo,
+                                                           ResourceManager::loadString(RID_STR_QUERY_SAVE_MODIFIED_ROW)));
+            xQueryBox->add_button(GetStandardText(StandardButtonType::Cancel), RET_CANCEL);
+            xQueryBox->set_default_response(RET_YES);
+
+            switch (xQueryBox->run())
+            {
+                case RET_NO:
+                    shouldCommit = false;
+                    [[fallthrough]]; // don't ask again!
+                case RET_YES:
+                    needConfirmation = false;
+                    return true;
+                case RET_CANCEL:
+                    return false;
+            }
+            return true;
+        }
+
+        bool commit1Form(const Reference< XFormController >& xCntrl, bool &needConfirmation, bool &shouldCommit)
+        {
+            Reference< XFormOperations > xFrmOps(xCntrl->getFormOperations());
+            if (!xFrmOps->commitCurrentControl())
+                return false;
+
+            if(xFrmOps->isModifiedRow())
+            {
+                if(!checkConfirmation(needConfirmation, shouldCommit))
+                    return false;
+                sal_Bool bTmp;
+                if (shouldCommit && !xFrmOps->commitCurrentRecord(bTmp))
+                    return false;
+            }
+            return true;
+        }
+
+        bool commitFormAndSubforms(const Reference< XFormController >& xCntrl, bool needConfirmation)
+        {
+            bool shouldCommit(true);
+            assert(xCntrl.is());
+            if(xCntrl.is())
+            {
+                const sal_Int32 cnt = xCntrl->getCount();
+                for(int i=0; i < cnt; ++i)
+                {
+                    Reference< XFormController > xSubForm(xCntrl->getByIndex(i), UNO_QUERY);
+                    assert(xSubForm.is());
+                    if (xSubForm.is())
+                    {
+                        if (!commit1Form(xSubForm, needConfirmation, shouldCommit))
+                            return false;
+                    }
+                }
+            }
+
+            return commit1Form(xCntrl, needConfirmation, shouldCommit);
+        }
+
+        bool commit1Form(const Reference< XForm >& xFrm, bool &needConfirmation, bool &shouldCommit)
+        {
+            Reference< XPropertySet > xProps(xFrm, UNO_QUERY_THROW);
+            // nothing to do if the record is not modified
+            if(!lcl_safeGetPropertyValue_throw( xProps, PROPERTY_ISMODIFIED, false ))
+                return true;
+
+            if(!checkConfirmation(needConfirmation, shouldCommit))
+                return false;
+            if(shouldCommit)
+            {
+                Reference< XResultSetUpdate > xUpd(xFrm, UNO_QUERY_THROW);
+                // insert respectively update the row
+                if ( lcl_safeGetPropertyValue_throw( xProps, PROPERTY_ISNEW, false ) )
+                    xUpd->insertRow();
+                else
+                    xUpd->updateRow();
+            }
+            return true;
+        }
+
+        bool commitFormAndSubforms(const Reference< XForm >& xFrm, bool needConfirmation)
+        {
+            // No control...  do what we can with the models
+            bool shouldCommit(true);
+            Reference< XIndexAccess > xFormComps(xFrm, UNO_QUERY_THROW);
+
+            const sal_Int32 cnt = xFormComps->getCount();
+            for(int i=0; i < cnt; ++i)
+            {
+                Reference< XForm > xSubForm(xFormComps->getByIndex(i), UNO_QUERY);
+                if(xSubForm.is())
+                {
+                    if(!commit1Form(xSubForm, needConfirmation, shouldCommit))
+                        return false;
+                }
+            }
+
+            return commit1Form(xFrm, needConfirmation, shouldCommit);
+        }
+    }
+
+    void SAL_CALL FormOperations::execute( ::sal_Int16 _nFeature )
+    {
+        SolarMutexGuard aSolarGuard;
+        MethodGuard aGuard( *this );
+
+        if ( ( _nFeature != FormFeature::DeleteRecord ) && ( _nFeature != FormFeature::UndoRecordChanges ) )
+        {
+
+
+            if(m_xController.is())
+            {
+                if(!commitFormAndSubforms(m_xController, lcl_needConfirmCommit( _nFeature )))
+                    return;
+            }
+            else if(m_xCursor.is())
+            {
+                Reference< XForm > xForm(m_xCursor, UNO_QUERY);
+                assert(xForm.is());
+                if(!commitFormAndSubforms(xForm, lcl_needConfirmCommit( _nFeature )))
+                    return;
+            }
+            else
+            {
+                SAL_WARN( "forms.runtime", "No cursor, but trying to execute form operation " << _nFeature );
+            }
+        }
+
+        try
+        {
+            switch ( _nFeature )
+            {
+            case FormFeature::MoveToFirst:
+                m_xCursor->first();
+                break;
+
+            case FormFeature::MoveToNext:
+                impl_moveRight_throw( );
+                break;
+
+            case FormFeature::MoveToPrevious:
+                impl_moveLeft_throw( );
+                break;
+
+            case FormFeature::MoveToLast:
+            {
+/*
+                // TODO: re-implement this...
+                // run in an own thread if...
+                // ... the data source is thread safe...
+                sal_Bool bAllowOwnThread = sal_False;
+                if ( ::comphelper::hasProperty( PROPERTY_THREADSAFE, m_xCursorProperties ) )
+                    m_xCursorProperties->getPropertyValue( PROPERTY_THREADSAFE ) >>= bAllowOwnThread;
+
+                // ... the record count is unknown
+                sal_Bool bNeedOwnThread sal_False;
+                if ( ::comphelper::hasProperty( PROPERTY_ROWCOUNTFINAL, m_xCursorProperties ) )
+                    m_xCursorProperties->getPropertyValue( PROPERTY_ROWCOUNTFINAL ) >>= bNeedOwnThread;
+
+                if ( bNeedOwnThread && bAllowOwnThread )
+                    ;
+                else
+*/
+                    m_xCursor->last();
+            }
+            break;
+
+            case FormFeature::ReloadForm:
+                if ( m_xLoadableForm.is() )
+                {
+                    weld::WaitObject aWO(Application::GetFrameWeld(GetDialogParent()));
+                    m_xLoadableForm->reload();
+
+                    // refresh all controls in the form (and sub forms) which can be refreshed
+                    // #i90914#
+                    ::comphelper::IndexAccessIterator aIter( m_xLoadableForm );
+                    Reference< XInterface > xElement( aIter.Next() );
+                    while ( xElement.is() )
+                    {
+                        Reference< XRefreshable > xRefresh( xElement, UNO_QUERY );
+                        if ( xRefresh.is() )
+                            xRefresh->refresh();
+                        xElement = aIter.Next();
+                    }
+                }
+                break;
+
+            case FormFeature::RefreshCurrentControl:
+            {
+                Reference< XRefreshable > xControlModelRefresh( impl_getCurrentControlModel_throw(), UNO_QUERY );
+                OSL_ENSURE( xControlModelRefresh.is(), "FormOperations::execute: how did you reach this?" );
+                if ( xControlModelRefresh.is() )
+                    xControlModelRefresh->refresh();
+            }
+            break;
+
+            case FormFeature::DeleteRecord:
+            {
+                sal_uInt32 nCount = impl_getRowCount_throw();
+
+                // next position
+                bool bLeft = m_xCursor->isLast() && ( nCount > 1 );
+                bool bRight= !m_xCursor->isLast();
+                bool bSuccess = false;
+                try
+                {
+                    // ask for confirmation
+                    Reference< XConfirmDeleteListener > xConfirmDelete( m_xController, UNO_QUERY );
+
+                    if ( xConfirmDelete.is() )
+                    {
+                        RowChangeEvent aEvent;
+                        aEvent.Source.set( m_xCursor, UNO_QUERY );
+                        aEvent.Action = RowChangeAction::DELETE;
+                        aEvent.Rows = 1;
+                        bSuccess = xConfirmDelete->confirmDelete( aEvent );
+                    }
+
+                    // delete it
+                    if ( bSuccess )
+                        m_xUpdateCursor->deleteRow();
+                }
+                catch( const Exception& )
+                {
+                    bSuccess = false;
+                }
+
+                if ( bSuccess )
+                {
+                    if ( bLeft || bRight )
+                        m_xCursor->relative( bRight ? 1 : -1 );
+                    else
+                    {
+                        bool bCanInsert = ::dbtools::canInsert( m_xCursorProperties );
+                        // is it possible to insert another record?
+                        if ( bCanInsert )
+                            m_xUpdateCursor->moveToInsertRow();
+                        else
+                            // move record to update status
+                            m_xCursor->first();
+                    }
+                }
+            }
+            break;
+
+            case FormFeature::SaveRecordChanges:
+            case FormFeature::UndoRecordChanges:
+            {
+                bool bInserting = impl_isInsertionRow_throw();
+
+                if ( FormFeature::UndoRecordChanges == _nFeature )
+                {
+                    if ( !bInserting )
+                        m_xUpdateCursor->cancelRowUpdates();
+
+                    // reset all controls for this form
+                    impl_resetAllControls_nothrow( );
+
+                    if ( bInserting )   // back to insertion mode for this form
+                        m_xUpdateCursor->moveToInsertRow();
+                }
+                else
+                {
+                    if  ( bInserting )
+                    {
+                        m_xUpdateCursor->insertRow();
+                        m_xCursor->last();
+                    }
+                    else
+                        m_xUpdateCursor->updateRow();
+                }
+            }
+            break;
+
+            case FormFeature::MoveToInsertRow:
+                // move to the last row before moving to the insert row
+                m_xCursor->last();
+                m_xUpdateCursor->moveToInsertRow();
+                break;
+
+            case FormFeature::RemoveFilterAndSort:
+            {
+                // simultaneously reset Filter and Order property
+                Reference< XMultiPropertySet > xProperties( m_xCursorProperties, UNO_QUERY );
+                OSL_ENSURE( xProperties.is(), "FormOperations::execute: no multi property access!" );
+                if ( xProperties.is() )
+                {
+                    Sequence< OUString > aNames{ PROPERTY_FILTER, PROPERTY_HAVINGCLAUSE,
+                                                 PROPERTY_SORT };
+
+                    Sequence< Any> aValues{ Any(OUString()), Any(OUString()), Any(OUString()) };
+
+                    weld::WaitObject aWO(Application::GetFrameWeld(GetDialogParent()));
+                    xProperties->setPropertyValues( aNames, aValues );
+
+                    if ( m_xLoadableForm.is() )
+                        m_xLoadableForm->reload();
+                }
+            }
+            break;
+
+            case FormFeature::ToggleApplyFilter:
+                if ( impl_commitCurrentControl_throw() && impl_commitCurrentRecord_throw() )
+                {
+                    // simply toggle the value
+                    bool bApplied = false;
+                    m_xCursorProperties->getPropertyValue( PROPERTY_APPLYFILTER ) >>= bApplied;
+                    m_xCursorProperties->setPropertyValue( PROPERTY_APPLYFILTER, Any( !bApplied ) );
+
+                    // and reload
+                    weld::WaitObject aWO(Application::GetFrameWeld(GetDialogParent()));
+                    m_xLoadableForm->reload();
+                }
+                break;
+
+            case FormFeature::SortAscending:
+                impl_executeAutoSort_throw( true );
+                break;
+
+            case FormFeature::SortDescending:
+                impl_executeAutoSort_throw( false );
+                break;
+
+            case FormFeature::AutoFilter:
+                impl_executeAutoFilter_throw();
+                break;
+
+            case FormFeature::InteractiveSort:
+                impl_executeFilterOrSort_throw( false );
+                break;
+
+            case FormFeature::InteractiveFilter:
+                impl_executeFilterOrSort_throw( true );
+                break;
+
+            default:
+            {
+                TranslateId pErrorResourceId = RID_STR_FEATURE_UNKNOWN;
+                if ( lcl_requiresArguments( _nFeature ) )
+                    pErrorResourceId = RID_STR_FEATURE_REQUIRES_PARAMETERS;
+                else if ( !lcl_isExecutableFeature( _nFeature ) )
+                    pErrorResourceId = RID_STR_FEATURE_NOT_EXECUTABLE;
+                throw IllegalArgumentException( ResourceManager::loadString(pErrorResourceId), *this, 1 );
+            }
+            }   // switch
+        }
+        catch( const RuntimeException& ) { throw; }
+        catch( const SQLException& ) { throw; }
+        catch( const Exception& )
+        {
+            throw WrappedTargetException( OUString(), *this, ::cppu::getCaughtException() );
+        }
+
+        impl_invalidateAllSupportedFeatures_nothrow( aGuard );
+    }
+
+
+    void SAL_CALL FormOperations::executeWithArguments( ::sal_Int16 _nFeature, const Sequence< NamedValue >& _rArguments )
+    {
+        if ( !lcl_requiresArguments( _nFeature ) )
+        {
+            execute( _nFeature );
+            return;
+        }
+
+        SolarMutexGuard aSolarGuard;
+        MethodGuard aGuard( *this );
+
+        // at the moment we have only one feature which supports execution parameters
+        if ( !lcl_isExecutableFeature( _nFeature ) )
+            throw IllegalArgumentException( ResourceManager::loadString(RID_STR_FEATURE_NOT_EXECUTABLE), *this, 1 );
+
+        switch ( _nFeature )
+        {
+        case FormFeature::MoveAbsolute:
+        {
+            sal_Int32 nPosition = -1;
+
+            ::comphelper::NamedValueCollection aArguments( _rArguments );
+            aArguments.get_ensureType( "Position", nPosition );
+
+            if ( nPosition < 1 )
+                nPosition = 1;
+
+            try
+            {
+                // commit before doing anything else
+                if ( m_xController.is() && !impl_commitCurrentControl_throw() )
+                    return;
+                if ( !impl_commitCurrentRecord_throw() )
+                    return;
+
+                sal_Int32 nCount      = impl_getRowCount_throw();
+                bool  bFinalCount = impl_isRowCountFinal_throw();
+
+                if ( bFinalCount && ( nPosition > nCount ) )
+                    nPosition = nCount;
+
+                m_xCursor->absolute( nPosition );
+            }
+            catch( const RuntimeException& ) { throw; }
+            catch( const SQLException& ) { throw; }
+            catch( const Exception& )
+            {
+                throw WrappedTargetException( OUString(), *this, ::cppu::getCaughtException() );
+            }
+        }
+        break;
+        default:
+            throw IllegalArgumentException( ResourceManager::loadString(RID_STR_FEATURE_UNKNOWN), *this, 1 );
+        }   // switch
+    }
+
+
+    sal_Bool SAL_CALL FormOperations::commitCurrentRecord( sal_Bool& _out_rRecordInserted )
+    {
+        MethodGuard aGuard( *this );
+        _out_rRecordInserted = false;
+
+        return impl_commitCurrentRecord_throw( &_out_rRecordInserted );
+    }
+
+
+    bool FormOperations::impl_commitCurrentRecord_throw( sal_Bool* _pRecordInserted ) const
+    {
+#ifdef DBG_UTIL
+        DBG_ASSERT( m_nMethodNestingLevel, "FormOperations::impl_commitCurrentRecord_throw: to be called within a MethodGuard'ed section only!" );
+#endif
+
+        if ( !impl_hasCursor_nothrow() )
+            return false;
+
+        // nothing to do if the record is not modified
+        bool bResult = !impl_isModifiedRow_throw();
+        if ( !bResult )
+        {
+            // insert respectively update the row
+            if ( impl_isInsertionRow_throw() )
+            {
+                m_xUpdateCursor->insertRow();
+                if ( _pRecordInserted )
+                    *_pRecordInserted = true;
+            }
+            else
+                m_xUpdateCursor->updateRow();
+            bResult = true;
+        }
+        return bResult;
+    }
+
+
+    sal_Bool SAL_CALL FormOperations::commitCurrentControl()
+    {
+        MethodGuard aGuard( *this );
+        return impl_commitCurrentControl_throw();
+    }
+
+
+    bool FormOperations::impl_commitCurrentControl_throw() const
+    {
+#ifdef DBG_UTIL
+        DBG_ASSERT( m_nMethodNestingLevel, "FormOperations::impl_commitCurrentControl_throw: to be called within a MethodGuard'ed section only!" );
+#endif
+        OSL_PRECOND( m_xController.is(), "FormOperations::commitCurrentControl: no controller!" );
+        if ( !m_xController.is() )
+            return false;
+
+        bool bSuccess = false;
+        try
+        {
+            Reference< XControl > xCurrentControl( m_xController->getCurrentControl() );
+
+            // check whether the control is locked
+            Reference< XBoundControl > xCheckLock( xCurrentControl, UNO_QUERY );
+            bool bControlIsLocked = xCheckLock.is() && xCheckLock->getLock();
+
+            // commit if necessary
+            bSuccess = true;
+            if ( xCurrentControl.is() && !bControlIsLocked )
+            {
+                // both the control and its model can be committable, so try both
+                Reference< XBoundComponent > xBound( xCurrentControl, UNO_QUERY );
+                if ( !xBound.is() )
+                    xBound.set(xCurrentControl->getModel(), css::uno::UNO_QUERY);
+                // and now really commit
+                if ( xBound.is() )
+                    bSuccess = xBound->commit();
+            }
+
+        }
+        catch( const RuntimeException& ) { throw; }
+        catch( const SQLException& ) { throw; }
+        catch( const Exception& )
+        {
+            DBG_UNHANDLED_EXCEPTION("forms.runtime");
+            bSuccess = false;
+        }
+
+        return bSuccess;
+    }
+
+
+    sal_Bool SAL_CALL FormOperations::isInsertionRow()
+    {
+        bool bIs = false;
+        try
+        {
+            bIs = impl_isInsertionRow_throw();
+        }
+        catch( const RuntimeException& ) { throw; }
+        catch( const Exception& )
+        {
+            throw WrappedTargetException( OUString(), *this, ::cppu::getCaughtException() );
+        }
+        return bIs;
+    }
+
+
+    sal_Bool SAL_CALL FormOperations::isModifiedRow()
+    {
+        bool bIs = false;
+        try
+        {
+            bIs = impl_isModifiedRow_throw();
+        }
+        catch( const RuntimeException& ) { throw; }
+        catch( const Exception& )
+        {
+            throw WrappedTargetException( OUString(), *this, ::cppu::getCaughtException() );
+        }
+        return bIs;
+    }
+
+
+    void SAL_CALL FormOperations::cursorMoved( const EventObject& /*_Event*/ )
+    {
+        MethodGuard aGuard( *this );
+        m_bActiveControlModified = false;
+
+        impl_invalidateAllSupportedFeatures_nothrow( aGuard );
+    }
+
+
+    void SAL_CALL FormOperations::rowChanged( const EventObject& /*_Event*/ )
+    {
+        // not interested in
+    }
+
+
+    void SAL_CALL FormOperations::rowSetChanged( const EventObject& /*_Event*/ )
+    {
+        // not interested in
+    }
+
+
+    void SAL_CALL FormOperations::modified( const EventObject& /*_Source*/ )
+    {
+        MethodGuard aGuard( *this );
+
+        OSL_ENSURE( m_xCursor.is(), "FormOperations::modified: already disposed!" );
+        if ( !m_bActiveControlModified )
+        {
+            m_bActiveControlModified = true;
+            impl_invalidateModifyDependentFeatures_nothrow( aGuard );
+        }
+    }
+
+
+    void SAL_CALL FormOperations::propertyChange( const PropertyChangeEvent& _rEvent )
+    {
+        MethodGuard aGuard( *this );
+
+        if ( m_xCursor.is() && ( m_xCursor == _rEvent.Source ) )
+        {
+            if  ( ( _rEvent.PropertyName == PROPERTY_ISMODIFIED )
+               || ( _rEvent.PropertyName == PROPERTY_ISNEW )
+                )
+            {
+                bool bIs = false;
+                if ( ( _rEvent.NewValue >>= bIs ) && !bIs )
+                    m_bActiveControlModified = false;
+            }
+            impl_invalidateAllSupportedFeatures_nothrow( aGuard );
+        }
+
+        if ( !(m_xParser.is() && ( m_xCursor == _rEvent.Source )) )
+            return;
+
+        try
+        {
+            OUString sNewValue;
+            _rEvent.NewValue >>= sNewValue;
+            if ( _rEvent.PropertyName == PROPERTY_ACTIVECOMMAND )
+            {
+                m_xParser->setElementaryQuery( sNewValue );
+            }
+            else if ( _rEvent.PropertyName == PROPERTY_FILTER )
+            {
+                if ( m_xParser->getFilter() != sNewValue )
+                    m_xParser->setFilter( sNewValue );
+            }
+            else if ( _rEvent.PropertyName == PROPERTY_HAVINGCLAUSE )
+            {
+                if ( m_xParser->getHavingClause() != sNewValue )
+                    m_xParser->setHavingClause( sNewValue );
+            }
+            else if ( _rEvent.PropertyName == PROPERTY_SORT )
+            {
+                _rEvent.NewValue >>= sNewValue;
+                if ( m_xParser->getOrder() != sNewValue )
+                    m_xParser->setOrder( sNewValue );
+            }
+        }
+        catch( const Exception& )
+        {
+            TOOLS_WARN_EXCEPTION( "forms.runtime", "FormOperations::propertyChange: caught an exception while updating the parser!" );
+        }
+        impl_invalidateAllSupportedFeatures_nothrow( aGuard );
+    }
+
+
+    void SAL_CALL FormOperations::disposing( const EventObject& /*_Source*/ )
+    {
+        // TODO: should we react on this? Or is this the responsibility of our owner to dispose us?
+    }
+
+
+    void SAL_CALL FormOperations::disposing()
+    {
+        ::osl::MutexGuard aGuard( m_aMutex );
+
+        impl_disposeParser_nothrow();
+
+        try
+        {
+            // revoke various listeners
+            if ( m_xCursor.is() )
+                m_xCursor->removeRowSetListener( this );
+
+            if ( m_xCursorProperties.is() )
+            {
+                m_xCursorProperties->removePropertyChangeListener( PROPERTY_ISMODIFIED,this );
+                m_xCursorProperties->removePropertyChangeListener( PROPERTY_ISNEW, this );
+            }
+
+            if ( m_xController.is() )
+                m_xController->removeModifyListener( this );
+        }
+        catch( const Exception& )
+        {
+            DBG_UNHANDLED_EXCEPTION("forms.runtime");
+        }
+
+        m_xController.clear();
+        m_xCursor.clear();
+        m_xUpdateCursor.clear();
+        m_xCursorProperties.clear();
+        m_xLoadableForm.clear();
+        m_xFeatureInvalidation.clear();
+
+        m_bActiveControlModified = true;
+    }
+
+
+    void FormOperations::impl_checkDisposed_throw() const
+    {
+        if ( !m_xCursor.is() )
+            throw DisposedException( OUString(), *const_cast< FormOperations* >( this ) );
+    }
+
+
+    void FormOperations::impl_initFromController_throw()
+    {
+        OSL_PRECOND( m_xController.is(), "FormOperations::impl_initFromController_throw: invalid controller!" );
+        m_xCursor.set(m_xController->getModel(), css::uno::UNO_QUERY);
+        if ( !m_xCursor.is() )
+            throw IllegalArgumentException( OUString(), *this, 0 );
+
+        impl_initFromForm_throw();
+
+        if ( m_xController.is() )
+            m_xController->addModifyListener( this );
+    }
+
+
+    void FormOperations::impl_initFromForm_throw()
+    {
+        OSL_PRECOND( m_xCursor.is(), "FormOperations::impl_initFromForm_throw: invalid form!" );
+        m_xCursorProperties.set(m_xCursor, css::uno::UNO_QUERY);
+        m_xUpdateCursor.set(m_xCursor, css::uno::UNO_QUERY);
+        m_xLoadableForm.set(m_xCursor, css::uno::UNO_QUERY);
+
+        if ( !m_xCursor.is() || !m_xCursorProperties.is() || !m_xLoadableForm.is() )
+            throw IllegalArgumentException( OUString(), *this, 0 );
+
+        m_xCursor->addRowSetListener( this );
+        m_xCursorProperties->addPropertyChangeListener( PROPERTY_ISMODIFIED,this );
+        m_xCursorProperties->addPropertyChangeListener( PROPERTY_ISNEW, this );
+    }
+
+
+    void FormOperations::createWithFormController( const Reference< XFormController >& _rxController )
+    {
+        m_xController = _rxController;
+        if ( !m_xController.is() )
+            throw IllegalArgumentException( OUString(), *this, 0 );
+
+        impl_initFromController_throw();
+
+        m_bConstructed = true;
+    }
+
+
+    void FormOperations::createWithForm( const Reference< XForm >& _rxForm )
+    {
+        m_xCursor.set(_rxForm, css::uno::UNO_QUERY);
+        if ( !m_xCursor.is() )
+            throw IllegalArgumentException( OUString(), *this, 0 );
+
+        impl_initFromForm_throw();
+
+        m_bConstructed = true;
+    }
+
+
+    void FormOperations::impl_invalidateAllSupportedFeatures_nothrow( MethodGuard& _rClearForCallback ) const
+    {
+        if ( !m_xFeatureInvalidation.is() )
+            // nobody's interested in ...
+            return;
+
+        Reference< XFeatureInvalidation > xInvalidation = m_xFeatureInvalidation;
+        _rClearForCallback.clear();
+        xInvalidation->invalidateAllFeatures();
+    }
+
+
+    void FormOperations::impl_invalidateModifyDependentFeatures_nothrow( MethodGuard& _rClearForCallback ) const
+    {
+        if ( !m_xFeatureInvalidation.is() )
+            // nobody's interested in ...
+            return;
+
+        static Sequence< sal_Int16 > const s_aModifyDependentFeatures
+        {
+            FormFeature::MoveToNext,
+            FormFeature::MoveToInsertRow,
+            FormFeature::SaveRecordChanges,
+            FormFeature::UndoRecordChanges
+        };
+
+        Reference< XFeatureInvalidation > xInvalidation = m_xFeatureInvalidation;
+        _rClearForCallback.clear();
+
+        xInvalidation->invalidateFeatures( s_aModifyDependentFeatures );
+    }
+
+
+    void FormOperations::impl_ensureInitializedParser_nothrow()
+    {
+        OSL_PRECOND( m_xCursorProperties.is(), "FormOperations::impl_ensureInitializedParser_nothrow: we're disposed!" );
+        if ( m_bInitializedParser )
+            return;
+
+        try
+        {
+            bool bUseEscapeProcessing = false;
+            m_xCursorProperties->getPropertyValue( PROPERTY_ESCAPE_PROCESSING ) >>= bUseEscapeProcessing;
+            if ( bUseEscapeProcessing )
+            {
+                Reference< XMultiServiceFactory > xFactory( ::dbtools::getConnection( m_xCursor ), UNO_QUERY );
+                if ( xFactory.is() )
+                {
+                    m_xParser.set( xFactory->createInstance("com.sun.star.sdb.SingleSelectQueryComposer"), UNO_QUERY );
+                    OSL_ENSURE( m_xParser.is(), "FormOperations::impl_ensureInitializedParser_nothrow: factory did not create a parser for us!" );
+                }
+            }
+
+            if ( m_xParser.is() )
+            {
+                if ( m_xLoadableForm.is() && m_xLoadableForm->isLoaded() )
+                {
+                    OUString sStatement;
+                    OUString sFilter;
+                    OUString sHaving;
+                    OUString sSort;
+
+                    m_xCursorProperties->getPropertyValue( PROPERTY_ACTIVECOMMAND   ) >>= sStatement;
+                    m_xCursorProperties->getPropertyValue( PROPERTY_FILTER          ) >>= sFilter;
+                    m_xCursorProperties->getPropertyValue( PROPERTY_HAVINGCLAUSE    ) >>= sHaving;
+                    m_xCursorProperties->getPropertyValue( PROPERTY_SORT            ) >>= sSort;
+
+                    m_xParser->setElementaryQuery( sStatement );
+                    m_xParser->setFilter         ( sFilter    );
+                    m_xParser->setHavingClause   ( sHaving    );
+                    m_xParser->setOrder          ( sSort      );
+                }
+
+                // start listening at the order/sort properties at the form, so
+                // we can keep our parser in sync
+                m_xCursorProperties->addPropertyChangeListener( PROPERTY_ACTIVECOMMAND, this );
+                m_xCursorProperties->addPropertyChangeListener( PROPERTY_FILTER, this );
+                m_xCursorProperties->addPropertyChangeListener( PROPERTY_HAVINGCLAUSE, this );
+                m_xCursorProperties->addPropertyChangeListener( PROPERTY_SORT, this );
+            }
+        }
+        catch( const Exception& )
+        {
+            TOOLS_WARN_EXCEPTION( "forms.runtime", "FormOperations::impl_ensureInitializedParser_nothrow" );
+        }
+
+        m_bInitializedParser = true;
+    }
+
+
+    void FormOperations::impl_disposeParser_nothrow()
+    {
+        try
+        {
+            // if we have a parser (and a cursor), then we're listening at the cursor's
+            // properties to keep the parser in sync with the cursor
+            if ( m_xParser.is() && m_xCursorProperties.is() )
+            {
+                m_xCursorProperties->removePropertyChangeListener( PROPERTY_FILTER, this );
+                m_xCursorProperties->removePropertyChangeListener( PROPERTY_HAVINGCLAUSE, this );
+                m_xCursorProperties->removePropertyChangeListener( PROPERTY_ACTIVECOMMAND, this );
+                m_xCursorProperties->removePropertyChangeListener( PROPERTY_SORT, this );
+            }
+
+            Reference< XComponent > xParserComp( m_xParser, UNO_QUERY );
+            if ( xParserComp.is() )
+                xParserComp->dispose();
+            m_xParser.clear();
+
+            m_bInitializedParser = false;
+        }
+        catch( const Exception& )
+        {
+            TOOLS_WARN_EXCEPTION( "forms.runtime", "FormOperations::impl_disposeParser_nothrow" );
+        }
+    }
+
+
+    bool FormOperations::impl_canMoveLeft_throw( ) const
+    {
+        if ( !impl_hasCursor_nothrow() )
+            return false;
+
+        return impl_getRowCount_throw() && ( !m_xCursor->isFirst() || impl_isInsertionRow_throw() );
+    }
+
+
+    bool FormOperations::impl_canMoveRight_throw( ) const
+    {
+        if ( !impl_hasCursor_nothrow() )
+            return false;
+
+        bool bIsNew = impl_isInsertionRow_throw();
+
+        if ( impl_getRowCount_throw() && !m_xCursor->isLast() && !bIsNew )
+            return true;
+
+        if ( ::dbtools::canInsert( m_xCursorProperties ) )
+            if ( !bIsNew || impl_isModifiedRow_throw() )
+                return true;
+
+        if ( bIsNew && m_bActiveControlModified )
+            return true;
+
+        return false;
+    }
+
+
+    bool FormOperations::impl_isInsertionRow_throw() const
+    {
+        return lcl_safeGetPropertyValue_throw( m_xCursorProperties, PROPERTY_ISNEW, false );
+    }
+
+
+    sal_Int32 FormOperations::impl_getRowCount_throw() const
+    {
+        return lcl_safeGetPropertyValue_throw( m_xCursorProperties, PROPERTY_ROWCOUNT, sal_Int32(0) );
+    }
+
+    bool FormOperations::impl_isRowCountFinal_throw() const
+    {
+        return lcl_safeGetPropertyValue_throw( m_xCursorProperties, PROPERTY_ROWCOUNTFINAL, false );
+    }
+
+
+    bool FormOperations::impl_isModifiedRow_throw() const
+    {
+        return lcl_safeGetPropertyValue_throw( m_xCursorProperties, PROPERTY_ISMODIFIED, false );
+    }
+
+
+    bool FormOperations::impl_isParseable_throw() const
+    {
+        const_cast< FormOperations* >( this )->impl_ensureInitializedParser_nothrow();
+        return m_xParser.is() && !m_xParser->getQuery().isEmpty();
+    }
+
+
+    bool FormOperations::impl_hasFilterOrOrder_throw() const
+    {
+        return impl_isParseable_throw() && ( !m_xParser->getFilter().isEmpty() ||
+                                             !m_xParser->getHavingClause().isEmpty() ||
+                                             !m_xParser->getOrder().isEmpty() );
+    }
+
+
+    bool FormOperations::impl_isInsertOnlyForm_throw() const
+    {
+        return lcl_safeGetPropertyValue_throw( m_xCursorProperties, PROPERTY_INSERTONLY, true );
+    }
+
+
+    Reference< XControlModel > FormOperations::impl_getCurrentControlModel_throw() const
+    {
+        Reference< XControl > xControl( m_xController->getCurrentControl() );
+
+        // special handling for grid controls
+        Reference< XGrid > xGrid( xControl, UNO_QUERY );
+        Reference< XControlModel > xControlModel;
+
+        if ( xGrid.is() )
+        {
+            Reference< XIndexAccess > xColumns( xControl->getModel(), UNO_QUERY_THROW );
+            sal_Int32 nCurrentPos = impl_gridView2ModelPos_nothrow( xColumns, xGrid->getCurrentColumnPosition() );
+
+            if ( nCurrentPos != -1 )
+                xColumns->getByIndex( nCurrentPos ) >>= xControlModel;
+        }
+        else if ( xControl.is() )
+        {
+            xControlModel = xControl->getModel();
+        }
+        return xControlModel;
+    }
+
+
+    Reference< XPropertySet > FormOperations::impl_getCurrentBoundField_nothrow( ) const
+    {
+        OSL_PRECOND( m_xController.is(), "FormOperations::impl_getCurrentBoundField_nothrow: no controller -> no control!" );
+        if ( !m_xController.is() )
+            return nullptr;
+
+        Reference< XPropertySet > xField;
+        try
+        {
+            Reference< XPropertySet > xControlModel( impl_getCurrentControlModel_throw(), UNO_QUERY );
+
+            if ( xControlModel.is() && ::comphelper::hasProperty( PROPERTY_BOUNDFIELD, xControlModel ) )
+                xControlModel->getPropertyValue( PROPERTY_BOUNDFIELD ) >>= xField;
+
+        }
+        catch( const Exception& )
+        {
+            DBG_UNHANDLED_EXCEPTION("forms.runtime");
+        }
+
+        return xField;
+    }
+
+
+    sal_Int32 FormOperations::impl_gridView2ModelPos_nothrow( const Reference< XIndexAccess >& _rxColumns, sal_Int16 _nViewPos )
+    {
+        OSL_PRECOND( _rxColumns.is(), "FormOperations::impl_gridView2ModelPos_nothrow: invalid columns container!" );
+        try
+        {
+            // loop through all columns
+            sal_Int32 col = 0;
+            Reference< XPropertySet > xCol;
+            bool bHidden( false );
+            for ( col = 0; col < _rxColumns->getCount(); ++col )
+            {
+                _rxColumns->getByIndex( col ) >>= xCol;
+                OSL_VERIFY( xCol->getPropertyValue( PROPERTY_HIDDEN ) >>= bHidden );
+                if ( bHidden )
+                    continue;
+
+                // for every visible col : if nViewPos is greater zero, decrement it, else we
+                // have found the model position
+                if ( !_nViewPos )
+                    break;
+                else
+                    --_nViewPos;
+            }
+            if ( col < _rxColumns->getCount() )
+                return col;
+        }
+        catch( const Exception& )
+        {
+            DBG_UNHANDLED_EXCEPTION("forms.runtime");
+        }
+        return -1;
+    }
+
+
+    void FormOperations::impl_moveLeft_throw( ) const
+    {
+        OSL_PRECOND( impl_hasCursor_nothrow(), "FormOperations::impl_moveLeft_throw: no cursor!" );
+        if ( !impl_hasCursor_nothrow() )
+            return;
+
+        sal_Bool bRecordInserted = false;
+        bool bSuccess = impl_commitCurrentRecord_throw( &bRecordInserted );
+
+        if ( !bSuccess )
+            return;
+
+        if ( bRecordInserted )
+        {
+            // retrieve the bookmark of the new record and move to the record preceding this bookmark
+            Reference< XRowLocate > xLocate( m_xCursor, UNO_QUERY );
+            OSL_ENSURE( xLocate.is(), "FormOperations::impl_moveLeft_throw: no XRowLocate!" );
+            if ( xLocate.is() )
+                xLocate->moveRelativeToBookmark( xLocate->getBookmark(), -1 );
+        }
+        else
+        {
+            if ( impl_isInsertionRow_throw() )
+            {
+                // we assume that the inserted record is now the last record in the
+                // result set
+                m_xCursor->last();
+            }
+            else
+                m_xCursor->previous();
+        }
+    }
+
+
+    void FormOperations::impl_moveRight_throw( ) const
+    {
+        OSL_PRECOND( impl_hasCursor_nothrow(), "FormOperations::impl_moveRight_throw: no cursor!" );
+        if ( !impl_hasCursor_nothrow() )
+            return;
+
+        sal_Bool bRecordInserted = false;
+        bool bSuccess = impl_commitCurrentRecord_throw( &bRecordInserted );
+
+        if ( !bSuccess )
+            return;
+
+        if ( bRecordInserted )
+        {
+            // go to insert row
+            m_xUpdateCursor->moveToInsertRow();
+        }
+        else
+        {
+            if ( m_xCursor->isLast() )
+                m_xUpdateCursor->moveToInsertRow();
+            else
+                (void)m_xCursor->next();
+        }
+    }
+
+
+    void FormOperations::impl_resetAllControls_nothrow() const
+    {
+        Reference< XIndexAccess > xContainer( m_xCursor, UNO_QUERY );
+        if ( !xContainer.is() )
+            return;
+
+        try
+        {
+            Reference< XReset > xReset;
+            sal_Int32 nCount( xContainer->getCount() );
+            for ( sal_Int32 i = 0; i < nCount; ++i )
+            {
+                if ( xContainer->getByIndex( i ) >>= xReset )
+                {
+                    // no resets on sub forms
+                    Reference< XForm > xAsForm( xReset, UNO_QUERY );
+                    if ( !xAsForm.is() )
+                        xReset->reset();
+                }
+            }
+        }
+        catch( const Exception& )
+        {
+            DBG_UNHANDLED_EXCEPTION("forms.runtime");
+        }
+    }
+
+
+    void FormOperations::impl_executeAutoSort_throw( bool _bUp ) const
+    {
+        OSL_PRECOND( m_xController.is(), "FormOperations::impl_executeAutoSort_throw: need a controller for this!" );
+        OSL_PRECOND( impl_hasCursor_nothrow(), "FormOperations::impl_executeAutoSort_throw: need a cursor for this!" );
+        OSL_PRECOND( impl_isParseable_throw(), "FormOperations::impl_executeAutoSort_throw: need a parseable statement for this!" );
+        if ( !m_xController.is() || !impl_hasCursor_nothrow() || !impl_isParseable_throw() )
+            return;
+
+        try
+        {
+            Reference< XControl > xControl = m_xController->getCurrentControl();
+            if ( !xControl.is() || !impl_commitCurrentControl_throw() || !impl_commitCurrentRecord_throw() )
+                return;
+
+            Reference< XPropertySet > xBoundField( impl_getCurrentBoundField_nothrow() );
+            if ( !xBoundField.is() )
+                return;
+
+            OUString sOriginalSort;
+            m_xCursorProperties->getPropertyValue( PROPERTY_SORT ) >>= sOriginalSort;
+
+            // automatic sort by field is expected to always resets the previous sort order
+            m_xParser->setOrder( OUString() );
+
+            impl_appendOrderByColumn_throw aAction(this, xBoundField, _bUp);
+            impl_doActionInSQLContext_throw(std::move(aAction), RID_STR_COULD_NOT_SET_ORDER );
+
+            weld::WaitObject aWO(Application::GetFrameWeld(GetDialogParent()));
+            try
+            {
+                m_xCursorProperties->setPropertyValue( PROPERTY_SORT, Any( m_xParser->getOrder() ) );
+                m_xLoadableForm->reload();
+            }
+            catch( const Exception& )
+            {
+                TOOLS_WARN_EXCEPTION( "forms.runtime", "FormOperations::impl_executeAutoSort_throw: caught an exception while setting the parser properties!" );
+            }
+
+
+            if ( !m_xLoadableForm->isLoaded() )
+            {   // something went wrong -> restore the original state
+                try
+                {
+                    m_xParser->setOrder( sOriginalSort );
+                    m_xCursorProperties->setPropertyValue( PROPERTY_SORT, Any( m_xParser->getOrder() ) );
+                    m_xLoadableForm->reload();
+                }
+                catch( const Exception& )
+                {
+                    OSL_FAIL( "FormOperations::impl_executeAutoSort_throw: could not reset the form to its original state!" );
+                }
+
+            }
+        }
+        catch( const RuntimeException& ) { throw; }
+        catch( const SQLException& ) { throw; }
+        catch( const Exception& )
+        {
+            throw WrappedTargetException( OUString(), *const_cast< FormOperations* >( this ), ::cppu::getCaughtException() );
+        }
+    }
+
+
+    void FormOperations::impl_executeAutoFilter_throw( ) const
+    {
+        OSL_PRECOND( m_xController.is(), "FormOperations::impl_executeAutoFilter_throw: need a controller for this!" );
+        OSL_PRECOND( impl_hasCursor_nothrow(), "FormOperations::impl_executeAutoFilter_throw: need a cursor for this!" );
+        OSL_PRECOND( impl_isParseable_throw(), "FormOperations::impl_executeAutoFilter_throw: need a parseable statement for this!" );
+        if ( !m_xController.is() || !impl_hasCursor_nothrow() || !impl_isParseable_throw() )
+            return;
+
+        try
+        {
+            Reference< XControl > xControl = m_xController->getCurrentControl();
+            if ( !xControl.is() || !impl_commitCurrentControl_throw() || !impl_commitCurrentRecord_throw() )
+                return;
+
+            Reference< XPropertySet > xBoundField( impl_getCurrentBoundField_nothrow() );
+            if ( !xBoundField.is() )
+                return;
+
+            OUString sOriginalFilter;
+            OUString sOriginalHaving;
+            m_xCursorProperties->getPropertyValue( PROPERTY_FILTER       ) >>= sOriginalFilter;
+            m_xCursorProperties->getPropertyValue( PROPERTY_HAVINGCLAUSE ) >>= sOriginalHaving;
+            bool bApplied = true;
+            m_xCursorProperties->getPropertyValue( PROPERTY_APPLYFILTER ) >>= bApplied;
+
+            // if we have a filter, but it's not applied, then we have to overwrite it, else append one
+            if ( !bApplied )
+            {
+                m_xParser->setFilter( OUString() );
+                m_xParser->setHavingClause( OUString() );
+            }
+
+            impl_appendFilterByColumn_throw aAction(this, m_xParser, xBoundField);
+            impl_doActionInSQLContext_throw( std::move(aAction), RID_STR_COULD_NOT_SET_FILTER );
+
+            weld::WaitObject aWO(Application::GetFrameWeld(GetDialogParent()));
+            try
+            {
+                m_xCursorProperties->setPropertyValue( PROPERTY_FILTER,       Any( m_xParser->getFilter() ) );
+                m_xCursorProperties->setPropertyValue( PROPERTY_HAVINGCLAUSE, Any( m_xParser->getHavingClause() ) );
+                m_xCursorProperties->setPropertyValue( PROPERTY_APPLYFILTER, Any( true ) );
+
+                m_xLoadableForm->reload();
+            }
+            catch( const Exception& )
+            {
+                TOOLS_WARN_EXCEPTION( "forms.runtime", "FormOperations::impl_executeAutoFilter_throw: caught an exception while setting the parser properties!" );
+            }
+
+
+            if ( !m_xLoadableForm->isLoaded() )
+            {   // something went wrong -> restore the original state
+                try
+                {
+                    m_xParser->setFilter      ( sOriginalFilter );
+                    m_xParser->setHavingClause( sOriginalHaving );
+                    m_xCursorProperties->setPropertyValue( PROPERTY_APPLYFILTER, Any( bApplied ) );
+                    m_xCursorProperties->setPropertyValue( PROPERTY_FILTER,       Any( m_xParser->getFilter() ) );
+                    m_xCursorProperties->setPropertyValue( PROPERTY_HAVINGCLAUSE, Any( m_xParser->getHavingClause() ) );
+                    m_xLoadableForm->reload();
+                }
+                catch( const Exception& )
+                {
+                    OSL_FAIL( "FormOperations::impl_executeAutoFilter_throw: could not reset the form to its original state!" );
+                }
+
+            }
+        }
+        catch( const RuntimeException& ) { throw; }
+        catch( const SQLException& ) { throw; }
+        catch( const Exception& )
+        {
+            throw WrappedTargetException( OUString(), *const_cast< FormOperations* >( this ), ::cppu::getCaughtException() );
+        }
+    }
+
+    css::uno::Reference<css::awt::XWindow> FormOperations::GetDialogParent() const
+    {
+        css::uno::Reference<css::awt::XWindow> xDialogParent;
+
+        //tdf#122152 extract parent for dialog
+        if (m_xController.is())
+        {
+            css::uno::Reference<css::awt::XControl> xContainerControl(m_xController->getContainer(), css::uno::UNO_QUERY);
+            if (xContainerControl.is())
+            {
+                css::uno::Reference<css::awt::XWindowPeer> xContainerPeer = xContainerControl->getPeer();
+                xDialogParent = css::uno::Reference<css::awt::XWindow>(xContainerPeer, css::uno::UNO_QUERY);
+            }
+        }
+
+        return xDialogParent;
+    }
+
+    void FormOperations::impl_executeFilterOrSort_throw( bool _bFilter ) const
+    {
+        OSL_PRECOND( m_xController.is(), "FormOperations::impl_executeFilterOrSort_throw: need a controller for this!" );
+        OSL_PRECOND( impl_hasCursor_nothrow(), "FormOperations::impl_executeFilterOrSort_throw: need a cursor for this!" );
+        OSL_PRECOND( impl_isParseable_throw(), "FormOperations::impl_executeFilterOrSort_throw: need a parseable statement for this!" );
+        if ( !m_xController.is() || !impl_hasCursor_nothrow() || !impl_isParseable_throw() )
+            return;
+
+        if ( !impl_commitCurrentControl_throw() || !impl_commitCurrentRecord_throw() )
+            return;
+        try
+        {
+            css::uno::Reference<css::awt::XWindow> xDialogParent(GetDialogParent());
+
+            Reference< XExecutableDialog> xDialog;
+            if ( _bFilter )
+            {
+                xDialog = css::sdb::FilterDialog::createWithQuery(m_xContext, m_xParser, m_xCursor,
+                                                                  xDialogParent);
+            }
+            else
+            {
+                xDialog = css::sdb::OrderDialog::createWithQuery(m_xContext, m_xParser, m_xCursorProperties,
+                                                                 xDialogParent);
+            }
+
+            if ( RET_OK == xDialog->execute() )
+            {
+                weld::WaitObject aWO(Application::GetFrameWeld(xDialogParent));
+                if ( _bFilter )
+                {
+                    m_xCursorProperties->setPropertyValue( PROPERTY_FILTER,       Any( m_xParser->getFilter() ) );
+                    m_xCursorProperties->setPropertyValue( PROPERTY_HAVINGCLAUSE, Any( m_xParser->getHavingClause() ) );
+                }
+                else
+                    m_xCursorProperties->setPropertyValue( PROPERTY_SORT, Any( m_xParser->getOrder() ) );
+                m_xLoadableForm->reload();
+            }
+
+        }
+        catch( const RuntimeException& ) { throw; }
+        catch( const SQLException& ) { throw; }
+        catch( const Exception& )
+        {
+            throw WrappedTargetException( OUString(), *const_cast< FormOperations* >( this ), ::cppu::getCaughtException() );
+        }
+    }
+
+
+    template < typename FunctObj >
+    void FormOperations::impl_doActionInSQLContext_throw( FunctObj f, TranslateId pErrorResourceId ) const
+    {
+        try
+        {
+            f();
+        }
+#if HAVE_FEATURE_DBCONNECTIVITY && !ENABLE_FUZZERS
+        catch( const SQLException& )
+        {
+            if (!pErrorResourceId) // no information to prepend
+                throw;
+
+            SQLExceptionInfo aInfo( ::cppu::getCaughtException() );
+            OUString sAdditionalError( ResourceManager::loadString(pErrorResourceId) );
+            aInfo.prepend( sAdditionalError );
+            aInfo.doThrow();
+        }
+#endif
+        catch( const RuntimeException& ) { throw; }
+        catch( const Exception& )
+        {
+            OUString sAdditionalError( ResourceManager::loadString(pErrorResourceId) );
+            throw WrappedTargetException( sAdditionalError, *const_cast< FormOperations* >( this ), ::cppu::getCaughtException() );
+        }
+    }
+
+
+} // namespace frm
+
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_forms_FormOperations_get_implementation(css::uno::XComponentContext* context,
+                                                          css::uno::Sequence<css::uno::Any> const &)
+{
+    return cppu::acquire(new frm::FormOperations(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/forms/source/runtime/formoperations.hxx b/forms/source/runtime/formoperations.hxx
new file mode 100644
index 000000000..182b0a7e0
--- /dev/null
+++ b/forms/source/runtime/formoperations.hxx
@@ -0,0 +1,381 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <com/sun/star/form/runtime/XFormOperations.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/form/XForm.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/form/XLoadable.hpp>
+#include <com/sun/star/sdb/XSingleSelectQueryComposer.hpp>
+#include <com/sun/star/util/XModifyListener.hpp>
+#include <com/sun/star/container/XIndexAccess.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/sdb/SQLFilterOperator.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+#include <cppuhelper/basemutex.hxx>
+#include <cppuhelper/compbase.hxx>
+#include <connectivity/dbtools.hxx>
+#include <tools/long.hxx>
+#include <unotools/resmgr.hxx>
+
+namespace frm
+{
+
+
+    //= FormOperations
+
+    typedef ::cppu::WeakComponentImplHelper    <   css::form::runtime::XFormOperations
+                                                ,   css::lang::XInitialization
+                                                ,   css::lang::XServiceInfo
+                                                ,   css::beans::XPropertyChangeListener
+                                                ,   css::util::XModifyListener
+                                                ,   css::sdbc::XRowSetListener
+                                                >   FormOperations_Base;
+
+    class FormOperations    :public ::cppu::BaseMutex
+                            ,public FormOperations_Base
+    {
+    public:
+        class MethodGuard;
+
+    private:
+        css::uno::Reference<css::uno::XComponentContext>                      m_xContext;
+        css::uno::Reference< css::form::runtime::XFormController >            m_xController;
+        css::uno::Reference< css::sdbc::XRowSet >                             m_xCursor;
+        css::uno::Reference< css::sdbc::XResultSetUpdate >                    m_xUpdateCursor;
+        css::uno::Reference< css::beans::XPropertySet >                       m_xCursorProperties;
+        css::uno::Reference< css::form::XLoadable >                           m_xLoadableForm;
+        css::uno::Reference< css::form::runtime::XFeatureInvalidation >       m_xFeatureInvalidation;
+        mutable css::uno::Reference< css::sdb::XSingleSelectQueryComposer >   m_xParser;
+
+        bool    m_bInitializedParser;
+        bool    m_bActiveControlModified;
+        bool    m_bConstructed;
+    #ifdef DBG_UTIL
+        mutable tools::Long
+                m_nMethodNestingLevel;
+    #endif
+
+    public:
+        explicit FormOperations( const css::uno::Reference< css::uno::XComponentContext >& _rxContext );
+
+        struct MethodAccess { friend class MethodGuard; private: MethodAccess() { } };
+
+        void enterMethod( MethodAccess ) const
+        {
+            m_aMutex.acquire();
+            impl_checkDisposed_throw();
+        #ifdef DBG_UTIL
+            ++m_nMethodNestingLevel;
+        #endif
+        }
+
+        void leaveMethod( MethodAccess ) const
+        {
+            m_aMutex.release();
+        #ifdef DBG_UTIL
+            --m_nMethodNestingLevel;
+        #endif
+        }
+
+    protected:
+        virtual ~FormOperations() override;
+
+        // XInitialization
+        virtual void SAL_CALL initialize( const css::uno::Sequence< css::uno::Any >& aArguments ) 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;
+
+        // XFormOperations
+        virtual css::uno::Reference< css::sdbc::XRowSet > SAL_CALL getCursor() override;
+        virtual css::uno::Reference< css::sdbc::XResultSetUpdate > SAL_CALL getUpdateCursor() override;
+        virtual css::uno::Reference< css::form::runtime::XFormController > SAL_CALL getController() override;
+        virtual css::uno::Reference< css::form::runtime::XFeatureInvalidation > SAL_CALL getFeatureInvalidation() override;
+        virtual void SAL_CALL setFeatureInvalidation(const css::uno::Reference< css::form::runtime::XFeatureInvalidation > & the_value) override;
+        virtual css::form::runtime::FeatureState SAL_CALL getState(::sal_Int16 Feature) override;
+        virtual sal_Bool SAL_CALL isEnabled(::sal_Int16 Feature) override;
+        virtual void SAL_CALL execute(::sal_Int16 Feature) override;
+        virtual void SAL_CALL executeWithArguments(::sal_Int16 Feature, const css::uno::Sequence< css::beans::NamedValue >& Arguments) override;
+        virtual sal_Bool SAL_CALL commitCurrentRecord(sal_Bool & RecordInserted) override;
+        virtual sal_Bool SAL_CALL commitCurrentControl() override;
+        virtual sal_Bool SAL_CALL isInsertionRow() override;
+        virtual sal_Bool SAL_CALL isModifiedRow() override;
+
+        // XRowSetListener
+        virtual void SAL_CALL cursorMoved( const css::lang::EventObject& event ) override;
+        virtual void SAL_CALL rowChanged( const css::lang::EventObject& event ) override;
+        virtual void SAL_CALL rowSetChanged( const css::lang::EventObject& event ) override;
+
+        // XModifyListener
+        virtual void SAL_CALL modified( const css::lang::EventObject& _rSource ) override;
+
+        // XPropertyChangeListener
+        virtual void SAL_CALL propertyChange( const css::beans::PropertyChangeEvent& evt ) override;
+
+        // XEventListener
+        virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;
+
+        // XComponent/OComponentHelper
+        virtual void SAL_CALL disposing() override;
+
+    private:
+        // service constructors
+        void    createWithFormController( const css::uno::Reference< css::form::runtime::XFormController >& _rxController );
+        void    createWithForm( const css::uno::Reference< css::form::XForm >& _rxForm );
+
+        /** checks whether the instance is already disposed, and throws an exception if so
+        */
+        void        impl_checkDisposed_throw() const;
+
+        /** initializes the instance after m_xController has been set
+            @precond
+                m_xController is not <NULL/>
+        */
+        void        impl_initFromController_throw();
+
+        /** initializes the instance after m_xCursor has been set
+            @precond
+                m_xCursor is not <NULL/>
+        */
+        void        impl_initFromForm_throw();
+
+        /// invalidate the full palette of features which we know
+        void        impl_invalidateAllSupportedFeatures_nothrow( MethodGuard& _rClearForCallback ) const;
+
+        /** invalidate the features which depend on the "modified" state of the current control
+            of our controller
+        */
+        void        impl_invalidateModifyDependentFeatures_nothrow( MethodGuard& _rClearForCallback ) const;
+
+        /** ensures that our parse is initialized, or at least that we attempted to do so
+            @precond
+                we're not disposed
+        */
+        void        impl_ensureInitializedParser_nothrow();
+
+        /// disposes our parser, if we have one
+        void        impl_disposeParser_nothrow();
+
+        /** determines whether our cursor can be moved left
+            @precond hasCursor()
+        */
+        bool        impl_canMoveLeft_throw() const;
+
+        /** determines whether our cursor can be moved right
+            @precond hasCursor()
+        */
+        bool        impl_canMoveRight_throw() const;
+
+        /// determines whether we're positioned on the insertion row
+        bool        impl_isInsertionRow_throw() const;
+
+        /// retrieves the RowCount property of the form
+        sal_Int32   impl_getRowCount_throw() const;
+
+        /// retrieves the RowCountFinal property of the form
+        bool        impl_isRowCountFinal_throw() const;
+
+        /// retrieves the IsModified property of the form
+        bool        impl_isModifiedRow_throw() const;
+
+        /// determines whether we can parse the query of our form
+        bool        impl_isParseable_throw() const;
+
+        /// determines if we have an active filter or order condition
+        bool        impl_hasFilterOrOrder_throw() const;
+
+        /// determines whether our form is in "insert-only" mode
+        bool        impl_isInsertOnlyForm_throw() const;
+
+        /** retrieves the column to which the current control of our controller is bound
+            @precond
+                m_xController.is()
+        */
+        css::uno::Reference< css::beans::XPropertySet >
+                    impl_getCurrentBoundField_nothrow( ) const;
+
+        /** returns the control model of the current control
+
+            If the current control is a grid control, then the returned model is the
+            model of the current <em>column</em> in the grid.
+
+            @precond
+                m_xController.is()
+        */
+        css::uno::Reference< css::awt::XControlModel >
+                    impl_getCurrentControlModel_throw() const;
+
+        /// determines if we have a valid cursor
+        bool    impl_hasCursor_nothrow() const { return m_xCursorProperties.is(); }
+
+        /** determines the model position from a grid control column's view position
+
+            A grid control can have columns which are currently hidden, so the index of a
+            column in the view is not necessarily the same as its index in the model.
+        */
+        static sal_Int32   impl_gridView2ModelPos_nothrow( const css::uno::Reference< css::container::XIndexAccess >& _rxColumns, sal_Int16 _nViewPos );
+
+        /** moves our cursor one position to the left, caring for different possible
+            cursor states.
+
+            Before the movement is done, the current row is saved, if necessary.
+
+            @precond
+                canMoveLeft()
+        */
+        void        impl_moveLeft_throw() const;
+
+        /** moves our cursor one position to the right, caring for different possible
+            cursor states.
+
+            Before the movement is done, the current row is saved, if necessary.
+
+            @precond
+                canMoveRight()
+        */
+        void        impl_moveRight_throw( ) const;
+
+        /** impl-version of commitCurrentRecord, which can be called without caring for
+            an output parameter, and within const-contexts
+
+            @precond
+                our mutex is locked
+        */
+        bool        impl_commitCurrentRecord_throw( sal_Bool* _pRecordInserted = nullptr ) const;
+
+        /** impl-version of commitCurrentControl, which can be called in const-contexts
+
+            @precond
+                our mutex is locked
+        */
+        bool        impl_commitCurrentControl_throw() const;
+
+        /// resets all control models in our own form
+        void        impl_resetAllControls_nothrow() const;
+
+        /// executes the "auto sort ascending" and "auto sort descending" features
+        void        impl_executeAutoSort_throw( bool _bUp ) const;
+
+        /// executes the "auto filter" feature
+        void        impl_executeAutoFilter_throw( ) const;
+
+        /// executes the interactive sort resp. filter feature
+        void        impl_executeFilterOrSort_throw( bool _bFilter ) const;
+
+    private:
+        /** calls a (member) function, catches SQLExceptions, extends them with additional context information,
+            and rethrows them
+
+            @param f
+                a functionoid with no arguments to do the work
+            @param pErrorResourceId
+                the id of the resources string to use as error message
+        */
+        template < typename FunctObj >
+        void        impl_doActionInSQLContext_throw( FunctObj f, TranslateId pErrorResourceId ) const;
+
+        // functionoid to call appendOrderByColumn
+        class impl_appendOrderByColumn_throw
+        {
+        public:
+            impl_appendOrderByColumn_throw(const FormOperations *pFO,
+                                           css::uno::Reference< css::beans::XPropertySet > const & xField,
+                                           bool bUp)
+                : m_pFO(pFO)
+                , m_xField(xField)
+                , m_bUp(bUp)
+            {};
+
+            void operator()() { m_pFO->m_xParser->appendOrderByColumn(m_xField, m_bUp); }
+        private:
+            const FormOperations *m_pFO;
+            css::uno::Reference< css::beans::XPropertySet > m_xField;
+            bool m_bUp;
+        };
+
+        // functionoid to call appendFilterByColumn
+        class impl_appendFilterByColumn_throw
+        {
+        public:
+            impl_appendFilterByColumn_throw(const FormOperations *pFO,
+                                            css::uno::Reference< css::sdb::XSingleSelectQueryComposer > const & xParser,
+                                            css::uno::Reference< css::beans::XPropertySet > const & xField)
+                : m_pFO(pFO)
+                , m_xParser(xParser)
+                , m_xField(xField)
+            {};
+
+            void operator()() {
+                if (dbtools::isAggregateColumn( m_xParser, m_xField ))
+                    m_pFO->m_xParser->appendHavingClauseByColumn( m_xField, true, css::sdb::SQLFilterOperator::EQUAL );
+                else
+                    m_pFO->m_xParser->appendFilterByColumn( m_xField, true, css::sdb::SQLFilterOperator::EQUAL );
+            }
+        private:
+            const FormOperations *m_pFO;
+            css::uno::Reference< css::sdb::XSingleSelectQueryComposer > m_xParser;
+            css::uno::Reference< css::beans::XPropertySet > m_xField;
+        };
+
+    private:
+        FormOperations( const FormOperations& ) = delete;
+        FormOperations& operator=( const FormOperations& ) = delete;
+
+    public:
+
+        css::uno::Reference<css::awt::XWindow> GetDialogParent() const;
+
+        class MethodGuard
+        {
+            FormOperations& m_rOwner;
+            bool            m_bCleared;
+
+        public:
+            explicit MethodGuard( FormOperations& _rOwner )
+                :m_rOwner( _rOwner )
+                ,m_bCleared( false )
+            {
+                m_rOwner.enterMethod( FormOperations::MethodAccess() );
+            }
+
+            ~MethodGuard()
+            {
+                clear();
+            }
+
+            void clear()
+            {
+                if ( !m_bCleared )
+                    m_rOwner.leaveMethod( FormOperations::MethodAccess() );
+                m_bCleared = true;
+            }
+        };
+    };
+
+
+} // namespace frm
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */