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, 717 insertions, 0 deletions

diff --git a/forms/source/component/Edit.cxx b/forms/source/component/Edit.cxx
new file mode 100644
index 000000000..6c7d83f20
--- /dev/null
+++ b/forms/source/component/Edit.cxx
@@ -0,0 +1,717 @@
+/* -*- 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 "Edit.hxx"
+#include <property.hxx>
+#include <services.hxx>
+
+#include <com/sun/star/beans/PropertyAttribute.hpp>
+#include <com/sun/star/form/FormComponentType.hpp>
+#include <com/sun/star/uno/Type.hxx>
+#include <com/sun/star/awt/XWindow.hpp>
+#include <com/sun/star/container/XIndexAccess.hpp>
+#include <com/sun/star/form/XSubmit.hpp>
+#include <com/sun/star/util/NumberFormat.hpp>
+
+#include <vcl/svapp.hxx>
+#include <vcl/keycodes.hxx>
+
+#include <connectivity/formattedcolumnvalue.hxx>
+
+#include <comphelper/property.hxx>
+#include <comphelper/types.hxx>
+#include <tools/debug.hxx>
+#include <tools/diagnose_ex.h>
+#include <sal/log.hxx>
+
+using namespace dbtools;
+
+namespace frm
+{
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::sdb;
+using namespace ::com::sun::star::sdbc;
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::container;
+using namespace ::com::sun::star::form;
+using namespace ::com::sun::star::awt;
+using namespace ::com::sun::star::io;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::util;
+using namespace ::com::sun::star::form::binding;
+
+
+Sequence<Type> OEditControl::_getTypes()
+{
+        // my two base classes
+    static Sequence<Type> const aTypes = concatSequences(OBoundControl::_getTypes(), OEditControl_BASE::getTypes());
+    return aTypes;
+}
+
+
+Any SAL_CALL OEditControl::queryAggregation(const Type& _rType)
+{
+    Any aReturn = OBoundControl::queryAggregation(_rType);
+    if (!aReturn.hasValue())
+        aReturn = OEditControl_BASE::queryInterface(_rType);
+
+    return aReturn;
+}
+
+
+OEditControl::OEditControl(const Reference<XComponentContext>& _rxFactory)
+               :OBoundControl( _rxFactory, FRM_SUN_CONTROL_RICHTEXTCONTROL )
+               ,m_aChangeListeners(m_aMutex)
+               ,m_nKeyEvent( nullptr )
+{
+
+    osl_atomic_increment(&m_refCount);
+    {
+        Reference<XWindow>  xComp;
+        if (query_aggregation(m_xAggregate, xComp))
+        {
+            xComp->addFocusListener(this);
+            xComp->addKeyListener(this);
+        }
+    }
+    osl_atomic_decrement(&m_refCount);
+}
+
+
+OEditControl::~OEditControl()
+{
+    if( m_nKeyEvent )
+        Application::RemoveUserEvent( m_nKeyEvent );
+
+    if (!OComponentHelper::rBHelper.bDisposed)
+    {
+        acquire();
+        dispose();
+    }
+
+}
+
+// XChangeBroadcaster
+
+void OEditControl::addChangeListener(const Reference<XChangeListener>& l)
+{
+    m_aChangeListeners.addInterface( l );
+}
+
+
+void OEditControl::removeChangeListener(const Reference<XChangeListener>& l)
+{
+    m_aChangeListeners.removeInterface( l );
+}
+
+// OComponentHelper
+
+void OEditControl::disposing()
+{
+    OBoundControl::disposing();
+
+    EventObject aEvt(static_cast<XWeak*>(this));
+    m_aChangeListeners.disposeAndClear(aEvt);
+}
+
+// XServiceInfo
+
+css::uno::Sequence<OUString>  OEditControl::getSupportedServiceNames()
+{
+    css::uno::Sequence<OUString> aSupported = OBoundControl::getSupportedServiceNames();
+    aSupported.realloc(aSupported.getLength() + 3);
+
+    OUString*pArray = aSupported.getArray();
+    pArray[aSupported.getLength()-3] = FRM_SUN_CONTROL_TEXTFIELD;
+    pArray[aSupported.getLength()-2] = STARDIV_ONE_FORM_CONTROL_EDIT;
+    pArray[aSupported.getLength()-1] = STARDIV_ONE_FORM_CONTROL_TEXTFIELD;
+    return aSupported;
+}
+
+// XEventListener
+
+void OEditControl::disposing(const EventObject& Source)
+{
+    OBoundControl::disposing(Source);
+}
+
+// XFocusListener
+
+void OEditControl::focusGained( const FocusEvent& /*e*/ )
+{
+    Reference<XPropertySet>  xSet(getModel(), UNO_QUERY);
+    if (xSet.is())
+        xSet->getPropertyValue( PROPERTY_TEXT ) >>= m_aHtmlChangeValue;
+}
+
+
+void OEditControl::focusLost( const FocusEvent& /*e*/ )
+{
+    Reference<XPropertySet>  xSet(getModel(), UNO_QUERY);
+    if (xSet.is())
+    {
+        OUString sNewHtmlChangeValue;
+        xSet->getPropertyValue( PROPERTY_TEXT ) >>= sNewHtmlChangeValue;
+        if( sNewHtmlChangeValue != m_aHtmlChangeValue )
+        {
+            EventObject aEvt( *this );
+            m_aChangeListeners.notifyEach( &XChangeListener::changed, aEvt );
+        }
+    }
+}
+
+// XKeyListener
+
+void OEditControl::keyPressed(const css::awt::KeyEvent& e)
+{
+    if( e.KeyCode != KEY_RETURN || e.Modifiers != 0 )
+        return;
+
+    // Is the Control in a form with a submit URL?
+    Reference<XPropertySet>  xSet(getModel(), UNO_QUERY);
+    if( !xSet.is() )
+        return;
+
+    // Not for multiline edits
+    Any aTmp( xSet->getPropertyValue(PROPERTY_MULTILINE));
+    if ((aTmp.getValueType().equals(cppu::UnoType<bool>::get())) && getBOOL(aTmp))
+        return;
+
+    Reference<XFormComponent>  xFComp(xSet, UNO_QUERY);
+    css::uno::Reference<css::uno::XInterface>  xParent = xFComp->getParent();
+    if( !xParent.is() )
+        return;
+
+    Reference<XPropertySet>  xFormSet(xParent, UNO_QUERY);
+    if( !xFormSet.is() )
+        return;
+
+    aTmp = xFormSet->getPropertyValue( PROPERTY_TARGET_URL );
+    if (!aTmp.getValueType().equals(cppu::UnoType<OUString>::get()) ||
+        getString(aTmp).isEmpty() )
+        return;
+
+    Reference<XIndexAccess>  xElements(xParent, UNO_QUERY);
+    sal_Int32 nCount = xElements->getCount();
+    if( nCount > 1 )
+    {
+        Reference<XPropertySet>  xFCSet;
+        for( sal_Int32 nIndex=0; nIndex < nCount; nIndex++ )
+        {
+            //  Any aElement(xElements->getByIndex(nIndex));
+            xElements->getByIndex(nIndex) >>= xFCSet;
+            OSL_ENSURE(xFCSet.is(),"OEditControl::keyPressed: No XPropertySet!");
+
+            if (hasProperty(PROPERTY_CLASSID, xFCSet) &&
+                getINT16(xFCSet->getPropertyValue(PROPERTY_CLASSID)) == FormComponentType::TEXTFIELD)
+            {
+                // Found another Edit -> then do not submit!
+                if (xFCSet != xSet)
+                    return;
+            }
+        }
+    }
+
+    // Because we're still in the header, trigger submit asynchronously
+    if( m_nKeyEvent )
+        Application::RemoveUserEvent( m_nKeyEvent );
+    m_nKeyEvent = Application::PostUserEvent( LINK(this, OEditControl, OnKeyPressed) );
+}
+
+
+void OEditControl::keyReleased(const css::awt::KeyEvent& /*e*/)
+{
+}
+
+
+IMPL_LINK_NOARG(OEditControl, OnKeyPressed, void*, void)
+{
+    m_nKeyEvent = nullptr;
+
+    Reference<XFormComponent>  xFComp(getModel(), UNO_QUERY);
+    css::uno::Reference<css::uno::XInterface>  xParent = xFComp->getParent();
+    Reference<XSubmit>  xSubmit(xParent, UNO_QUERY);
+    if (xSubmit.is())
+        xSubmit->submit( Reference<XControl>(), css::awt::MouseEvent() );
+}
+
+
+
+OEditModel::OEditModel(const Reference<XComponentContext>& _rxFactory)
+    :OEditBaseModel( _rxFactory, FRM_SUN_COMPONENT_RICHTEXTCONTROL, FRM_SUN_CONTROL_TEXTFIELD, true, true )
+    ,m_bMaxTextLenModified(false)
+    ,m_bWritingFormattedFake(false)
+{
+
+    m_nClassId = FormComponentType::TEXTFIELD;
+    initValueProperty( PROPERTY_TEXT, PROPERTY_ID_TEXT );
+}
+
+
+OEditModel::OEditModel( const OEditModel* _pOriginal, const Reference<XComponentContext>& _rxFactory )
+    :OEditBaseModel( _pOriginal, _rxFactory )
+    ,m_bMaxTextLenModified(false)
+    ,m_bWritingFormattedFake(false)
+{
+
+    // Note that most of the properties are not clone from the original object:
+    // Things as the format key, it's type, and such, depend on the field being part of a loaded form
+    // (they're initialized in onConnectedDbColumn). Even if the original object _is_ part of such a form, we ourself
+    // certainly aren't, so these members are defaulted. If we're inserted into a form which is already loaded,
+    // they will be set to new values, anyway...
+}
+
+
+OEditModel::~OEditModel()
+{
+    if (!OComponentHelper::rBHelper.bDisposed)
+    {
+        acquire();
+        dispose();
+    }
+
+}
+
+
+css::uno::Reference< css::util::XCloneable > SAL_CALL OEditModel::createClone()
+{
+    rtl::Reference<OEditModel> pClone = new OEditModel(this, getContext());
+    pClone->clonedFrom(this);
+    return pClone;
+}
+
+
+void OEditModel::disposing()
+{
+    OEditBaseModel::disposing();
+    m_pValueFormatter.reset();
+}
+
+// XPersistObject
+
+OUString SAL_CALL OEditModel::getServiceName()
+{
+    return FRM_COMPONENT_EDIT;  // old (non-sun) name for compatibility !
+}
+
+// XServiceInfo
+
+css::uno::Sequence<OUString> SAL_CALL OEditModel::getSupportedServiceNames()
+{
+    css::uno::Sequence<OUString> aSupported = OBoundControlModel::getSupportedServiceNames();
+
+    sal_Int32 nOldLen = aSupported.getLength();
+    aSupported.realloc( nOldLen + 9 );
+    OUString* pStoreTo = aSupported.getArray() + nOldLen;
+
+    *pStoreTo++ = BINDABLE_CONTROL_MODEL;
+    *pStoreTo++ = DATA_AWARE_CONTROL_MODEL;
+    *pStoreTo++ = VALIDATABLE_CONTROL_MODEL;
+
+    *pStoreTo++ = BINDABLE_DATA_AWARE_CONTROL_MODEL;
+    *pStoreTo++ = VALIDATABLE_BINDABLE_CONTROL_MODEL;
+
+    *pStoreTo++ = FRM_SUN_COMPONENT_TEXTFIELD;
+    *pStoreTo++ = FRM_SUN_COMPONENT_DATABASE_TEXTFIELD;
+    *pStoreTo++ = BINDABLE_DATABASE_TEXT_FIELD;
+
+    *pStoreTo++ = FRM_COMPONENT_TEXTFIELD;
+
+    return aSupported;
+}
+
+// XPropertySet
+void SAL_CALL OEditModel::getFastPropertyValue(Any& rValue, sal_Int32 nHandle ) const
+{
+    if ( PROPERTY_ID_PERSISTENCE_MAXTEXTLENGTH == nHandle )
+    {
+        if ( m_bMaxTextLenModified )
+            rValue <<= sal_Int16(0);
+        else if ( m_xAggregateSet.is() )
+            rValue = m_xAggregateSet->getPropertyValue(PROPERTY_MAXTEXTLEN);
+    }
+    else
+    {
+        OEditBaseModel::getFastPropertyValue(rValue, nHandle );
+    }
+}
+
+
+void OEditModel::describeFixedProperties( Sequence< Property >& _rProps ) const
+{
+    OEditBaseModel::describeFixedProperties( _rProps );
+    sal_Int32 nOldCount = _rProps.getLength();
+    _rProps.realloc( nOldCount + 5);
+    css::beans::Property* pProperties = _rProps.getArray() + nOldCount;
+    *pProperties++ = css::beans::Property(PROPERTY_PERSISTENCE_MAXTEXTLENGTH, PROPERTY_ID_PERSISTENCE_MAXTEXTLENGTH, cppu::UnoType<sal_Int16>::get(), css::beans::PropertyAttribute::READONLY | css::beans::PropertyAttribute::TRANSIENT);
+    *pProperties++ = css::beans::Property(PROPERTY_DEFAULT_TEXT, PROPERTY_ID_DEFAULT_TEXT, cppu::UnoType<OUString>::get(), css::beans::PropertyAttribute::BOUND | css::beans::PropertyAttribute::MAYBEDEFAULT);
+    *pProperties++ = css::beans::Property(PROPERTY_EMPTY_IS_NULL, PROPERTY_ID_EMPTY_IS_NULL, cppu::UnoType<bool>::get(),
+                                          css::beans::PropertyAttribute::BOUND);
+    *pProperties++ = css::beans::Property(PROPERTY_TABINDEX, PROPERTY_ID_TABINDEX, cppu::UnoType<sal_Int16>::get(), css::beans::PropertyAttribute::BOUND);
+    *pProperties++ = css::beans::Property(PROPERTY_FILTERPROPOSAL, PROPERTY_ID_FILTERPROPOSAL, cppu::UnoType<bool>::get(),
+                                          css::beans::PropertyAttribute::BOUND | css::beans::PropertyAttribute::MAYBEDEFAULT);
+    DBG_ASSERT( pProperties == _rProps.getArray() + _rProps.getLength(), "<...>::describeFixedProperties/getInfoHelper: forgot to adjust the count ?");
+}
+
+
+void OEditModel::describeAggregateProperties( Sequence< Property >& _rAggregateProps ) const
+{
+    OEditBaseModel::describeAggregateProperties( _rAggregateProps );
+
+    // our aggregate is a rich text model, which also derives from OControlModel, as
+    // do we, so we need to remove some duplicate properties
+    RemoveProperty( _rAggregateProps, PROPERTY_TABINDEX );
+    RemoveProperty( _rAggregateProps, PROPERTY_CLASSID );
+    RemoveProperty( _rAggregateProps, PROPERTY_NAME );
+    RemoveProperty( _rAggregateProps, PROPERTY_TAG );
+    RemoveProperty( _rAggregateProps, PROPERTY_NATIVE_LOOK );
+
+}
+
+
+bool OEditModel::implActsAsRichText( ) const
+{
+    bool bActAsRichText = false;
+    if ( m_xAggregateSet.is() )
+    {
+        OSL_VERIFY( m_xAggregateSet->getPropertyValue( PROPERTY_RICH_TEXT ) >>= bActAsRichText );
+    }
+    return bActAsRichText;
+}
+
+
+void SAL_CALL OEditModel::reset(  )
+{
+    // no reset if we currently act as rich text control
+    if ( implActsAsRichText() )
+        return;
+
+    OEditBaseModel::reset();
+}
+
+
+namespace
+{
+    void lcl_transferProperties( const Reference< XPropertySet >& _rxSource, const Reference< XPropertySet >& _rxDest )
+    {
+        try
+        {
+            Reference< XPropertySetInfo > xSourceInfo;
+            if ( _rxSource.is() )
+                xSourceInfo = _rxSource->getPropertySetInfo();
+
+            Reference< XPropertySetInfo > xDestInfo;
+            if ( _rxDest.is() )
+                xDestInfo = _rxDest->getPropertySetInfo();
+
+            if ( !xSourceInfo.is() || !xDestInfo.is() )
+            {
+                OSL_FAIL( "lcl_transferProperties: invalid property set(s)!" );
+                return;
+            }
+
+            const Sequence< Property > aSourceProps( xSourceInfo->getProperties() );
+            for ( auto const & sourceprop : aSourceProps )
+            {
+                if ( !xDestInfo->hasPropertyByName( sourceprop.Name ) )
+                {
+                    continue;
+                }
+
+                Property aDestProp( xDestInfo->getPropertyByName( sourceprop.Name ) );
+                if ( 0 != ( aDestProp.Attributes & PropertyAttribute::READONLY ) )
+                {
+                    continue;
+                }
+
+                try
+                {
+                    _rxDest->setPropertyValue( sourceprop.Name, _rxSource->getPropertyValue( sourceprop.Name ) );
+                }
+                catch(const IllegalArgumentException&)
+                {
+                    TOOLS_WARN_EXCEPTION( "forms.component", "could not transfer the property named '"
+                                << sourceprop.Name
+                                << "'" );
+                }
+            }
+        }
+        catch( const Exception& )
+        {
+            DBG_UNHANDLED_EXCEPTION("forms.component");
+        }
+    }
+}
+
+
+void OEditModel::writeAggregate( const Reference< XObjectOutputStream >& _rxOutStream ) const
+{
+    // we need to fake the writing of our aggregate. Since #i24387#, we have another aggregate,
+    // but for compatibility, we need to use an "old" aggregate for writing and reading
+
+    Reference< XPropertySet > xFakedAggregate(
+        getContext()->getServiceManager()->createInstanceWithContext( VCL_CONTROLMODEL_EDIT, getContext() ),
+        UNO_QUERY
+    );
+    OSL_ENSURE( xFakedAggregate.is(), "OEditModel::writeAggregate: could not create an old EditControlModel!" );
+    if ( !xFakedAggregate.is() )
+        return;
+
+    lcl_transferProperties( m_xAggregateSet, xFakedAggregate );
+
+    Reference< XPersistObject > xFakedPersist( xFakedAggregate, UNO_QUERY );
+    OSL_ENSURE( xFakedPersist.is(), "OEditModel::writeAggregate: no XPersistObject!" );
+    if ( xFakedPersist.is() )
+        xFakedPersist->write( _rxOutStream );
+}
+
+
+void OEditModel::readAggregate( const Reference< XObjectInputStream >& _rxInStream )
+{
+    // we need to fake the reading of our aggregate. Since #i24387#, we have another aggregate,
+    // but for compatibility, we need to use an "old" aggregate for writing and reading
+
+    Reference< XPropertySet > xFakedAggregate(
+        getContext()->getServiceManager()->createInstanceWithContext( VCL_CONTROLMODEL_EDIT, getContext() ),
+        UNO_QUERY
+    );
+    Reference< XPersistObject > xFakedPersist( xFakedAggregate, UNO_QUERY );
+    OSL_ENSURE( xFakedPersist.is(), "OEditModel::readAggregate: no XPersistObject, or no faked aggregate at all!" );
+    if ( xFakedPersist.is() )
+    {
+        xFakedPersist->read( _rxInStream );
+        lcl_transferProperties( xFakedAggregate, m_xAggregateSet );
+    }
+}
+
+
+void OEditModel::write(const Reference<XObjectOutputStream>& _rxOutStream)
+{
+    Any aCurrentText;
+    sal_Int16 nOldTextLen = 0;
+    // Am I loaded at the moment and did I switch MaxTextLen temporarily?
+    if ( m_bMaxTextLenModified )
+    {   // -> for the duration of saving, make my aggregated model believe the old TextLen
+
+        // before doing this we have to save the current text value of the aggregate, as this may be affected by resetting the text len
+        aCurrentText = m_xAggregateSet->getPropertyValue(PROPERTY_TEXT);
+
+        m_xAggregateSet->getPropertyValue(PROPERTY_MAXTEXTLEN) >>= nOldTextLen;
+        m_xAggregateSet->setPropertyValue(PROPERTY_MAXTEXTLEN, Any(sal_Int16(0)));
+    }
+
+    OEditBaseModel::write(_rxOutStream);
+
+    if ( m_bMaxTextLenModified )
+    {   // Reset again
+        m_xAggregateSet->setPropertyValue(PROPERTY_MAXTEXTLEN, Any(nOldTextLen));
+        // and reset the text
+        // First we set it to an empty string : Without this the second setPropertyValue would not do anything as it thinks
+        // we aren't changing the prop (it didn't notify the - implicit - change of the text prop while setting the max text len)
+        // This seems to be a bug with in toolkit's EditControl-implementation.
+        m_xAggregateSet->setPropertyValue(PROPERTY_TEXT, Any(OUString()));
+        m_xAggregateSet->setPropertyValue(PROPERTY_TEXT, aCurrentText);
+    }
+}
+
+
+void OEditModel::read(const Reference<XObjectInputStream>& _rxInStream)
+{
+    OEditBaseModel::read(_rxInStream);
+
+    // Some versions (5.1 'til about 552) wrote a wrong DefaultControl-property value which is unknown
+    // to older versions (5.0).
+    // correct this ...
+    if (m_xAggregateSet.is())
+    {
+        Any aDefaultControl = m_xAggregateSet->getPropertyValue(PROPERTY_DEFAULTCONTROL);
+        if  (   (aDefaultControl.getValueType().getTypeClass() == TypeClass_STRING)
+            &&  (getString(aDefaultControl) == STARDIV_ONE_FORM_CONTROL_TEXTFIELD )
+            )
+        {
+            m_xAggregateSet->setPropertyValue( PROPERTY_DEFAULTCONTROL, Any( OUString(STARDIV_ONE_FORM_CONTROL_EDIT) ) );
+            // Older as well as current versions should understand this : the former knew only the STARDIV_ONE_FORM_CONTROL_EDIT,
+            // the latter are registered for both STARDIV_ONE_FORM_CONTROL_EDIT and STARDIV_ONE_FORM_CONTROL_TEXTFIELD.
+        }
+    }
+}
+
+
+sal_uInt16 OEditModel::getPersistenceFlags() const
+{
+    sal_uInt16 nFlags = OEditBaseModel::getPersistenceFlags();
+
+    if (m_bWritingFormattedFake)
+        nFlags |= PF_FAKE_FORMATTED_FIELD;
+
+    return nFlags;
+}
+
+
+void OEditModel::onConnectedDbColumn( const Reference< XInterface >& _rxForm )
+{
+    Reference< XPropertySet > xField = getField();
+    if ( !xField.is() )
+        return;
+
+    m_pValueFormatter.reset( new ::dbtools::FormattedColumnValue( getContext(), Reference< XRowSet >( _rxForm, UNO_QUERY ), xField ) );
+
+    if ( m_pValueFormatter->getKeyType() == NumberFormat::SCIENTIFIC )
+        return;
+
+    m_bMaxTextLenModified = getINT16(m_xAggregateSet->getPropertyValue(PROPERTY_MAXTEXTLEN)) != 0;
+    if ( !m_bMaxTextLenModified )
+    {
+        sal_Int32 nFieldLen = 0;
+        xField->getPropertyValue("Precision") >>= nFieldLen;
+
+        if (nFieldLen > 0 && nFieldLen <= SAL_MAX_INT16)
+        {
+            Any aVal;
+            aVal <<= static_cast<sal_Int16>(nFieldLen);
+            m_xAggregateSet->setPropertyValue(PROPERTY_MAXTEXTLEN, aVal);
+
+            m_bMaxTextLenModified = true;
+        }
+    }
+    else
+        m_bMaxTextLenModified = false; // to get sure that the text len won't be set in unloaded
+}
+
+
+void OEditModel::onDisconnectedDbColumn()
+{
+    OEditBaseModel::onDisconnectedDbColumn();
+
+    m_pValueFormatter.reset();
+
+    if ( hasField() && m_bMaxTextLenModified )
+    {
+        Any aVal;
+        aVal <<= sal_Int16(0);  // Only if it was 0, I switched it in onConnectedDbColumn
+        m_xAggregateSet->setPropertyValue(PROPERTY_MAXTEXTLEN, aVal);
+        m_bMaxTextLenModified = false;
+    }
+}
+
+
+bool OEditModel::approveDbColumnType( sal_Int32 _nColumnType )
+{
+    // if we act as rich text currently, we do not allow binding to a database column
+    if ( implActsAsRichText() )
+        return false;
+
+    return OEditBaseModel::approveDbColumnType( _nColumnType );
+}
+
+
+bool OEditModel::commitControlValueToDbColumn( bool /*_bPostReset*/ )
+{
+    Any aNewValue( m_xAggregateFastSet->getFastPropertyValue( getValuePropertyAggHandle() ) );
+
+    OUString sNewValue;
+    aNewValue >>= sNewValue;
+
+    if  (   !aNewValue.hasValue()
+        ||  (   sNewValue.isEmpty()         // an empty string
+            &&  m_bEmptyIsNull              // which should be interpreted as NULL
+            )
+        )
+    {
+        m_xColumnUpdate->updateNull();
+    }
+    else
+    {
+        OSL_PRECOND(m_pValueFormatter,
+                    "OEditModel::commitControlValueToDbColumn: no value formatter!");
+        try
+        {
+            if (m_pValueFormatter)
+            {
+                if ( !m_pValueFormatter->setFormattedValue( sNewValue ) )
+                    return false;
+            }
+            else
+                m_xColumnUpdate->updateString( sNewValue );
+        }
+        catch ( const Exception& )
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+
+Any OEditModel::translateDbColumnToControlValue()
+{
+    OSL_PRECOND(m_pValueFormatter,
+                "OEditModel::translateDbColumnToControlValue: no value formatter!");
+    Any aRet;
+    if (m_pValueFormatter)
+    {
+        OUString sValue( m_pValueFormatter->getFormattedValue() );
+        if  (   sValue.isEmpty()
+            &&  m_pValueFormatter->getColumn().is()
+            &&  m_pValueFormatter->getColumn()->wasNull()
+            )
+        {
+        }
+        else
+        {
+            // #i2817# OJ
+            sal_uInt16 nMaxTextLen = getINT16( m_xAggregateSet->getPropertyValue( PROPERTY_MAXTEXTLEN ) );
+            if ( nMaxTextLen && sValue.getLength() > nMaxTextLen )
+            {
+                sal_Int32 nDiff = sValue.getLength() - nMaxTextLen;
+                sValue = sValue.replaceAt( nMaxTextLen, nDiff, u"" );
+            }
+
+            aRet <<= sValue;
+        }
+    }
+
+    return aRet.hasValue() ? aRet : Any( OUString() );
+}
+
+
+Any OEditModel::getDefaultForReset() const
+{
+    return Any( m_aDefaultText );
+}
+
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_form_OEditModel_get_implementation(css::uno::XComponentContext* component,
+        css::uno::Sequence<css::uno::Any> const &)
+{
+    return cppu::acquire(new frm::OEditModel(component));
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_form_OEditControl_get_implementation(css::uno::XComponentContext* component,
+        css::uno::Sequence<css::uno::Any> const &)
+{
+    return cppu::acquire(new frm::OEditControl(component));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */